8603 lines
273 KiB
C
8603 lines
273 KiB
C
/*
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Copyright (c) 2015 Micha Mettke
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "zahnrad.h"
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#ifndef MIN
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef MAX
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#define MAX(a,b) ((a) < (b) ? (b) : (a))
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#endif
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#ifndef CLAMP
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#define CLAMP(i,v,x) (MAX(MIN(v,x), i))
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#endif
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/* ==============================================================
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* MATH
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* =============================================================== */
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#define ZR_PI 3.141592654f
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#define ZR_PI2 (ZR_PI * 2.0f)
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#define ZR_4_DIV_PI (1.27323954f)
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#define ZR_4_DIV_PI_SQRT (0.405284735f)
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#define ZR_UTF_INVALID 0xFFFD
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#define ZR_MAX_NUMBER_BUFFER 64
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#define ZR_MAX_FLOAT_PRECISION 2
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#define ZR_UNUSED(x) ((void)(x))
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#define ZR_LERP(a, b, t) ((a) + ((b) - (a)) * (t))
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#define ZR_SATURATE(x) (MAX(0, MIN(1.0f, x)))
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#define ZR_LEN(a) (sizeof(a)/sizeof(a)[0])
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#define ZR_ABS(a) (((a) < 0) ? -(a) : (a))
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#define ZR_BETWEEN(x, a, b) ((a) <= (x) && (x) <= (b))
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#define ZR_INBOX(px, py, x, y, w, h) (ZR_BETWEEN(px,x,x+w) && ZR_BETWEEN(py,y,y+h))
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#define ZR_INTERSECT(x0, y0, w0, h0, x1, y1, w1, h1) \
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(!(((x1 > (x0 + w0)) || ((x1 + w1) < x0) || (y1 > (y0 + h0)) || (y1 + h1) < y0)))
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#define ZR_CONTAINS(x, y, w, h, bx, by, bw, bh)\
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(ZR_INBOX(x,y, bx, by, bw, bh) && ZR_INBOX(x+w,y+h, bx, by, bw, bh))
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#define zr_vec2_mov(to,from) (to).x = (from).x, (to).y = (from).y
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#define zr_vec2_sub(a, b) zr_vec2((a).x - (b).x, (a).y - (b).y)
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#define zr_vec2_add(a, b) zr_vec2((a).x + (b).x, (a).y + (b).y)
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#define zr_vec2_len_sqr(a) ((a).x*(a).x+(a).y*(a).y)
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#define zr_vec2_inv_len(a) zr_inv_sqrt(zr_vec2_len_sqr(a))
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#define zr_vec2_muls(a, t) zr_vec2((a).x * (t), (a).y * (t))
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#define zr_vec2_lerp(a, b, t) zr_vec2(ZR_LERP((a).x, (b).x, t), ZR_LERP((a).y, (b).y, t))
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enum zr_tree_node_symbol {ZR_TREE_NODE_BULLET, ZR_TREE_NODE_TRIANGLE};
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static const struct zr_rect zr_null_rect = {-8192.0f, -8192.0f, 16384, 16384};
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static const double double_PRECISION = 0.00000000000001;
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/* ==============================================================
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* ALIGNMENT
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* =============================================================== */
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/* Pointer to Integer type conversion for pointer alignment */
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#if defined(__PTRDIFF_TYPE__) /* This case should work for GCC*/
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# define ZR_UINT_TO_PTR(x) ((void*)(__PTRDIFF_TYPE__)(x))
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# define ZR_PTR_TO_UINT(x) ((zr_size)(__PTRDIFF_TYPE__)(x))
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#elif !defined(__GNUC__) /* works for compilers other than LLVM */
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# define ZR_UINT_TO_PTR(x) ((void*)&((char*)0)[x])
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# define ZR_PTR_TO_UINT(x) ((zr_size)(((char*)x)-(char*)0))
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#elif defined(ZR_USE_FIXED_TYPES) /* used if we have <stdint.h> */
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# define ZR_UINT_TO_PTR(x) ((void*)(uintptr_t)(x))
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# define ZR_PTR_TO_UINT(x) ((uintptr_t)(x))
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#else /* generates warning but works */
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# define ZR_UINT_TO_PTR(x) ((void*)(x))
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# define ZR_PTR_TO_UINT(x) ((zr_size)(x))
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#endif
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#define ZR_MIN(a,b) (((a)<(b))?(a):(b))
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#define ZR_MAX(a,b) (((a)>(b))?(a):(b))
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#define ZR_ALIGN(x, mask) ((x) + (mask-1)) & ~(mask-1)
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#define ZR_ALIGN_PTR(x, mask)\
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(ZR_UINT_TO_PTR((ZR_PTR_TO_UINT((zr_byte*)(x) + (mask-1)) & ~(mask-1))))
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#define ZR_ALIGN_PTR_BACK(x, mask)\
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(ZR_UINT_TO_PTR((ZR_PTR_TO_UINT((zr_byte*)(x)) & ~(mask-1))))
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#define ZR_OFFSETOF(st, m) ((zr_size)(&((st *)0)->m))
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#define ZR_CONTAINER_OF_CONST(ptr, type, member)\
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((const type*)((const void*)((const zr_byte*)ptr - ZR_OFFSETOF(type, member))))
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#define ZR_CONTAINER_OF(ptr, type, member)\
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((type*)((void*)((zr_byte*)ptr - ZR_OFFSETOF(type, member))))
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#ifdef __cplusplus
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template<typename T> struct zr_alignof;
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template<typename T, int size_diff> struct zr_helper{enum {value = size_diff};};
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template<typename T> struct zr_helper<T,0>{enum {value = zr_alignof<T>::value};};
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template<typename T> struct zr_alignof{struct Big {T x; char c;}; enum {
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diff = sizeof(Big) - sizeof(T), value = zr_helper<Big, diff>::value};};
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#define ZR_ALIGNOF(t) (zr_alignof<t>::value);
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#else
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#define ZR_ALIGNOF(t) ((char*)(&((struct {char c; t _h;}*)0)->_h) - (char*)0)
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#endif
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/*
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* ==============================================================
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*
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* MATH
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*
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* ===============================================================
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*/
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static uint32_t
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zr_round_up_pow2(uint32_t v)
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{
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v--;
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v |= v >> 1;
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v |= v >> 2;
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v |= v >> 4;
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v |= v >> 8;
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v |= v >> 16;
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v++;
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return v;
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}
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static float
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zr_inv_sqrt(float number)
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{
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float x2;
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const float threehalfs = 1.5f;
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union {uint32_t i; float f;} conv;
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conv.f = number;
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x2 = number * 0.5f;
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conv.i = 0x5f375A84 - (conv.i >> 1);
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conv.f = conv.f * (threehalfs - (x2 * conv.f * conv.f));
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return conv.f;
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}
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struct zr_rect
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zr_get_null_rect(void)
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{
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return zr_null_rect;
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}
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struct zr_rect
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zr_rect(float x, float y, float w, float h)
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{
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struct zr_rect r;
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r.x = x, r.y = y;
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r.w = w, r.h = h;
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return r;
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}
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static struct zr_rect
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zr_shrink_rect(struct zr_rect r, float amount)
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{
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struct zr_rect res;
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r.w = MAX(r.w, 2 * amount);
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r.h = MAX(r.h, 2 * amount);
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res.x = r.x + amount;
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res.y = r.y + amount;
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res.w = r.w - 2 * amount;
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res.h = r.h - 2 * amount;
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return res;
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}
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static struct zr_rect
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zr_pad_rect(struct zr_rect r, struct zr_vec2 pad)
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{
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r.w = MAX(r.w, 2 * pad.x);
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r.h = MAX(r.h, 2 * pad.y);
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r.x += pad.x; r.y += pad.y;
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r.w -= 2 * pad.x;
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r.h -= 2 * pad.y;
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return r;
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}
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struct zr_vec2
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zr_vec2(float x, float y)
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{
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struct zr_vec2 ret;
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ret.x = x; ret.y = y;
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return ret;
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}
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/*
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* ==============================================================
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*
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* STANDART
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*
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* ===============================================================
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*/
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static void*
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zr_memcopy(void *dst0, const void *src0, zr_size length)
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{
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zr_ptr t;
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typedef int word;
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char *dst = dst0;
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const char *src = src0;
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if (length == 0 || dst == src)
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goto done;
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#define wsize sizeof(word)
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#define wmask (wsize-1)
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#define TLOOP(s) if (t) TLOOP1(s)
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#define TLOOP1(s) do { s; } while (--t)
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if (dst < src) {
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t = (zr_ptr)src; /* only need low bits */
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if ((t | (zr_ptr)dst) & wmask) {
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if ((t ^ (zr_ptr)dst) & wmask || length < wsize)
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t = length;
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else
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t = wsize - (t & wmask);
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length -= t;
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TLOOP1(*dst++ = *src++);
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}
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t = length / wsize;
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TLOOP(*(word*)(void*)dst = *(const word*)(const void*)src; src += wsize; dst += wsize);
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t = length & wmask;
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TLOOP(*dst++ = *src++);
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} else {
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src += length;
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dst += length;
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t = (zr_ptr)src;
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if ((t | (zr_ptr)dst) & wmask) {
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if ((t ^ (zr_ptr)dst) & wmask || length <= wsize)
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t = length;
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else
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t &= wmask;
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length -= t;
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TLOOP1(*--dst = *--src);
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}
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t = length / wsize;
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TLOOP(src -= wsize; dst -= wsize; *(word*)(void*)dst = *(const word*)(const void*)src);
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t = length & wmask;
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TLOOP(*--dst = *--src);
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}
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#undef wsize
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#undef wmask
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#undef TLOOP
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#undef TLOOP1
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done:
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return (dst0);
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}
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static void
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zr_zero(void *dst, zr_size size)
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{
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zr_size i;
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char *d = (char*)dst;
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ZR_ASSERT(dst);
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for (i = 0; i < size; ++i) d[i] = 0;
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}
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static zr_size
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zr_strsiz(const char *str)
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{
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zr_size siz = 0;
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ZR_ASSERT(str);
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while (str && *str++ != '\0') siz++;
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return siz;
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}
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static int
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zr_strtoi(int *number, const char *buffer, zr_size len)
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{
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zr_size i;
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ZR_ASSERT(number);
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ZR_ASSERT(buffer);
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if (!number || !buffer) return 0;
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*number = 0;
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for (i = 0; i < len; ++i)
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*number = *number * 10 + (buffer[i] - '0');
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return 1;
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}
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static int
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zr_strtof(float *number, const char *buffer)
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{
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int i;
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float m;
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int div;
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int pow;
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const char *p = buffer;
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float floatvalue = 0;
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ZR_ASSERT(number);
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ZR_ASSERT(buffer);
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if (!number || !buffer) return 0;
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*number = 0;
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while( *p && *p != '.' && *p != 'e' ) {
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floatvalue = floatvalue * 10.0f + (float) (*p - '0');
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p++;
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}
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if ( *p == '.' ) {
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p++;
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for(m = 0.1f; *p && *p != 'e'; p++ ) {
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floatvalue = floatvalue + (float) (*p - '0') * m;
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m *= 0.1f;
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}
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}
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if ( *p == 'e' ) {
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p++;
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if ( *p == '-' ) {
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div = zr_true;
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p++;
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} else if ( *p == '+' ) {
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div = zr_false;
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p++;
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} else div = zr_false;
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for ( pow = 0; *p; p++ )
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pow = pow * 10 + (int) (*p - '0');
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for ( m = 1.0, i = 0; i < pow; i++ )
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m *= 10.0f;
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if ( div )
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floatvalue /= m;
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else floatvalue *= m;
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}
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*number = floatvalue;
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return 1;
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}
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static zr_size
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zr_itos(char *buffer, int num)
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{
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static const char digit[] = "0123456789";
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int shifter;
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zr_size len = 0;
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char *p = buffer;
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ZR_ASSERT(buffer);
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if (!buffer)
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return 0;
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if (num < 0) {
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num = ZR_ABS(num);
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*p++ = '-';
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}
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shifter = num;
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do {
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++p;
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shifter = shifter/10;
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} while (shifter);
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*p = '\0';
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len = (zr_size)(p - buffer);
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do {
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*--p = digit[num % 10];
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num = num / 10;
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} while (num);
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return len;
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}
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static double
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zr_pow(double x, int n)
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|
{
|
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/* check the sign of n */
|
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double r = 1;
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int plus = n >= 0;
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n = (plus) ? n : -n;
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while (n > 0) {
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if ((n & 1) == 1)
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r *= x;
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n /= 2;
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x *= x;
|
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}
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return plus ? r : 1.0 / r;
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}
|
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|
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static int32_t
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zr_isinf(double x)
|
|
{
|
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union {uint64_t u; double f;} ieee754;
|
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ieee754.f = x;
|
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return ( (unsigned)(ieee754.u >> 32) & 0x7fffffff ) == 0x7ff00000 &&
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( (unsigned)ieee754.u == 0 );
|
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}
|
|
|
|
static int32_t
|
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zr_isnan(double x)
|
|
{
|
|
union {uint64_t u; double f;} ieee754;
|
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ieee754.f = x;
|
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return ( (unsigned)(ieee754.u >> 32) & 0x7fffffff ) +
|
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( (unsigned)ieee754.u != 0 ) > 0x7ff00000;
|
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}
|
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|
|
static double
|
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zr_floor(double x)
|
|
{
|
|
return (double)((int)x - ((x < 0.0) ? 1 : 0));
|
|
}
|
|
|
|
static int
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zr_log10(double n)
|
|
{
|
|
int neg;
|
|
int ret;
|
|
int exp = 0;
|
|
|
|
neg = (n < 0) ? 1 : 0;
|
|
ret = (neg) ? (int)-n : (int)n;
|
|
while ((ret / 10) > 0) {
|
|
ret /= 10;
|
|
exp++;
|
|
}
|
|
if (neg) exp = -exp;
|
|
return exp;
|
|
}
|
|
|
|
static zr_size
|
|
zr_dtos(char *s, double n)
|
|
{
|
|
int useExp;
|
|
int digit, m, m1;
|
|
char *c = s;
|
|
int neg;
|
|
|
|
if (zr_isnan(n)) {
|
|
s[0] = 'n'; s[1] = 'a'; s[2] = 'n'; s[3] = '\0';
|
|
return 3;
|
|
} else if (zr_isinf(n)) {
|
|
s[0] = 'i'; s[1] = 'n'; s[2] = 'f'; s[3] = '\0';
|
|
return 3;
|
|
} else if (n == 0.0) {
|
|
s[0] = '0'; s[1] = '\0';
|
|
return 1;
|
|
}
|
|
|
|
neg = (n < 0);
|
|
if (neg) n = -n;
|
|
|
|
/* calculate magnitude */
|
|
m = zr_log10(n);
|
|
useExp = (m >= 14 || (neg && m >= 9) || m <= -9);
|
|
if (neg) *(c++) = '-';
|
|
|
|
/* set up for scientific notation */
|
|
if (useExp) {
|
|
if (m < 0)
|
|
m -= 1;
|
|
n = n / zr_pow(10.0, m);
|
|
m1 = m;
|
|
m = 0;
|
|
}
|
|
if (m < 1.0) {
|
|
m = 0;
|
|
}
|
|
|
|
/* convert the number */
|
|
while (n > double_PRECISION || m >= 0) {
|
|
double tmp;
|
|
double weight = zr_pow(10.0, m);
|
|
if (weight > 0 && !zr_isinf(weight)) {
|
|
double t = (double)n / weight;
|
|
tmp = zr_floor(t);
|
|
digit = (int)tmp;
|
|
n -= (digit * weight);
|
|
*(c++) = (char)('0' + (char)digit);
|
|
}
|
|
if (m == 0 && n > 0)
|
|
*(c++) = '.';
|
|
m--;
|
|
}
|
|
|
|
if (useExp) {
|
|
/* convert the exponent */
|
|
int i, j;
|
|
*(c++) = 'e';
|
|
if (m1 > 0) {
|
|
*(c++) = '+';
|
|
} else {
|
|
*(c++) = '-';
|
|
m1 = -m1;
|
|
}
|
|
m = 0;
|
|
while (m1 > 0) {
|
|
*(c++) = (char)('0' + (char)(m1 % 10));
|
|
m1 /= 10;
|
|
m++;
|
|
}
|
|
c -= m;
|
|
for (i = 0, j = m-1; i<j; i++, j--) {
|
|
/* swap without temporary */
|
|
c[i] ^= c[j];
|
|
c[j] ^= c[i];
|
|
c[i] ^= c[j];
|
|
}
|
|
c += m;
|
|
}
|
|
*(c) = '\0';
|
|
return (zr_size)(c - s);
|
|
}
|
|
|
|
/*
|
|
* ==============================================================
|
|
*
|
|
* COLOR
|
|
*
|
|
* ===============================================================
|
|
*/
|
|
struct zr_color
|
|
zr_rgba(zr_byte r, zr_byte g, zr_byte b, zr_byte a)
|
|
{
|
|
struct zr_color ret;
|
|
ret.r = r; ret.g = g;
|
|
ret.b = b; ret.a = a;
|
|
return ret;
|
|
}
|
|
|
|
struct zr_color
|
|
zr_rgb(zr_byte r, zr_byte g, zr_byte b)
|
|
{
|
|
struct zr_color ret;
|
|
ret.r = r; ret.g = g;
|
|
ret.b = b; ret.a = 255;
|
|
return ret;
|
|
}
|
|
|
|
struct zr_color
|
|
zr_rgba32(uint32_t in)
|
|
{
|
|
struct zr_color ret;
|
|
ret.r = (in & 0xFF);
|
|
ret.g = ((in >> 8) & 0xFF);
|
|
ret.b = ((in >> 16) & 0xFF);
|
|
ret.a = (zr_byte)((in >> 24) & 0xFF);
|
|
return ret;
|
|
}
|
|
|
|
struct zr_color
|
|
zr_rgba_f(float r, float g, float b, float a)
|
|
{
|
|
struct zr_color ret;
|
|
ret.r = (zr_byte)(ZR_SATURATE(r) * 255.0f);
|
|
ret.g = (zr_byte)(ZR_SATURATE(g) * 255.0f);
|
|
ret.b = (zr_byte)(ZR_SATURATE(b) * 255.0f);
|
|
ret.a = (zr_byte)(ZR_SATURATE(a) * 255.0f);
|
|
return ret;
|
|
}
|
|
|
|
struct zr_color
|
|
zr_rgb_f(float r, float g, float b)
|
|
{
|
|
struct zr_color ret;
|
|
ret.r = (zr_byte)(ZR_SATURATE(r) * 255.0f);
|
|
ret.g = (zr_byte)(ZR_SATURATE(g) * 255.0f);
|
|
ret.b = (zr_byte)(ZR_SATURATE(b) * 255.0f);
|
|
ret.a = 255;
|
|
return ret;
|
|
}
|
|
|
|
struct zr_color
|
|
zr_hsv(zr_byte h, zr_byte s, zr_byte v)
|
|
{
|
|
return zr_hsva(h, s, v, 255);
|
|
}
|
|
|
|
struct zr_color
|
|
zr_hsv_f(float h, float s, float v)
|
|
{
|
|
return zr_hsva_f(h, s, v, 1.0f);
|
|
}
|
|
|
|
struct zr_color
|
|
zr_hsva(zr_byte h, zr_byte s, zr_byte v, zr_byte a)
|
|
{
|
|
float hf = (float)h / 255.0f;
|
|
float sf = (float)s / 255.0f;
|
|
float vf = (float)v / 255.0f;
|
|
float af = (float)a / 255.0f;
|
|
return zr_hsva_f(hf, sf, vf, af);
|
|
}
|
|
|
|
struct zr_color
|
|
zr_hsva_f(float h, float s, float v, float a)
|
|
{
|
|
struct zr_colorf {float r,g,b,a;} out;
|
|
float hh, p, q, t, ff;
|
|
uint32_t i;
|
|
|
|
if (s <= 0.0f) {
|
|
out.r = v; out.g = v; out.b = v;
|
|
return zr_rgb_f(out.r, out.g, out.b);
|
|
}
|
|
|
|
hh = h;
|
|
if (hh >= 360.0f) hh = 0;
|
|
hh /= 60.0f;
|
|
i = (uint32_t)hh;
|
|
ff = hh - (float)i;
|
|
p = v * (1.0f - s);
|
|
q = v * (1.0f - (s * ff));
|
|
t = v * (1.0f - (s * (1.0f - ff)));
|
|
|
|
switch (i) {
|
|
case 0:
|
|
out.r = v;
|
|
out.g = t;
|
|
out.b = p;
|
|
break;
|
|
case 1:
|
|
out.r = q;
|
|
out.g = v;
|
|
out.b = p;
|
|
break;
|
|
case 2:
|
|
out.r = p;
|
|
out.g = v;
|
|
out.b = t;
|
|
break;
|
|
case 3:
|
|
out.r = p;
|
|
out.g = q;
|
|
out.b = v;
|
|
break;
|
|
case 4:
|
|
out.r = t;
|
|
out.g = p;
|
|
out.b = v;
|
|
break;
|
|
case 5:
|
|
default:
|
|
out.r = v;
|
|
out.g = p;
|
|
out.b = q;
|
|
break;
|
|
}
|
|
return zr_rgba_f(out.r, out.g, out.b, a);
|
|
}
|
|
|
|
uint32_t
|
|
zr_color32(struct zr_color in)
|
|
{
|
|
uint32_t out = (uint32_t)in.r;
|
|
out |= ((uint32_t)in.g << 8);
|
|
out |= ((uint32_t)in.b << 16);
|
|
out |= ((uint32_t)in.a << 24);
|
|
return out;
|
|
}
|
|
|
|
void
|
|
zr_colorf(float *r, float *g, float *b, float *a, struct zr_color in)
|
|
{
|
|
static const float s = 1.0f/255.0f;
|
|
*r = (float)in.r * s;
|
|
*g = (float)in.g * s;
|
|
*b = (float)in.b * s;
|
|
*a = (float)in.a * s;
|
|
}
|
|
|
|
void
|
|
zr_color_hsv_f(float *out_h, float *out_s, float *out_v, struct zr_color in)
|
|
{
|
|
float a;
|
|
zr_color_hsva_f(out_h, out_s, out_v, &a, in);
|
|
}
|
|
|
|
void
|
|
zr_color_hsva_f(float *out_h, float *out_s,
|
|
float *out_v, float *out_a, struct zr_color in)
|
|
{
|
|
float chroma;
|
|
float K = 0.0f;
|
|
float r,g,b,a;
|
|
|
|
zr_colorf(&r,&g,&b,&a, in);
|
|
if (g < b) {
|
|
const float t = g; g = b; b = t;
|
|
K = -1.f;
|
|
}
|
|
if (a < g) {
|
|
const float t = r; r = g; g = t;
|
|
K = -2.f/6.0f - K;
|
|
}
|
|
chroma = r - ((g < b) ? g: b);
|
|
*out_h = ZR_ABS(K + (g - b)/(6.0f * chroma + 1e-20f));
|
|
*out_s = chroma / (r + 1e-20f);
|
|
*out_v = r;
|
|
*out_a = (float)in.a / 255.0f;
|
|
}
|
|
|
|
void
|
|
zr_color_hsva(int *out_h, int *out_s, int *out_v,
|
|
int *out_a, struct zr_color in)
|
|
{
|
|
float h,s,v,a;
|
|
zr_color_hsva_f(&h, &s, &v, &a, in);
|
|
*out_h = (zr_byte)(h * 255.0f);
|
|
*out_s = (zr_byte)(s * 255.0f);
|
|
*out_v = (zr_byte)(v * 255.0f);
|
|
*out_a = (zr_byte)(a * 255.0f);
|
|
}
|
|
|
|
void
|
|
zr_color_hsv(int *out_h, int *out_s, int *out_v, struct zr_color in)
|
|
{
|
|
int a;
|
|
zr_color_hsva(out_h, out_s, out_v, &a, in);
|
|
}
|
|
/*
|
|
* ==============================================================
|
|
*
|
|
* IMAGE
|
|
*
|
|
* ===============================================================
|
|
*/
|
|
zr_handle
|
|
zr_handle_ptr(void *ptr)
|
|
{
|
|
zr_handle handle;
|
|
handle.ptr = ptr;
|
|
return handle;
|
|
}
|
|
|
|
zr_handle
|
|
zr_handle_id(int id)
|
|
{
|
|
zr_handle handle;
|
|
handle.id = id;
|
|
return handle;
|
|
}
|
|
|
|
struct zr_image
|
|
zr_subimage_ptr(void *ptr, unsigned short w, unsigned short h, struct zr_rect r)
|
|
{
|
|
struct zr_image s;
|
|
s.handle.ptr = ptr;
|
|
s.w = w; s.h = h;
|
|
s.region[0] = (unsigned short)r.x;
|
|
s.region[1] = (unsigned short)r.y;
|
|
s.region[2] = (unsigned short)r.w;
|
|
s.region[3] = (unsigned short)r.h;
|
|
return s;
|
|
}
|
|
|
|
struct zr_image
|
|
zr_subimage_id(int id, unsigned short w, unsigned short h, struct zr_rect r)
|
|
{
|
|
struct zr_image s;
|
|
s.handle.id = id;
|
|
s.w = w; s.h = h;
|
|
s.region[0] = (unsigned short)r.x;
|
|
s.region[1] = (unsigned short)r.y;
|
|
s.region[2] = (unsigned short)r.w;
|
|
s.region[3] = (unsigned short)r.h;
|
|
return s;
|
|
}
|
|
|
|
struct zr_image
|
|
zr_image_ptr(void *ptr)
|
|
{
|
|
struct zr_image s;
|
|
ZR_ASSERT(ptr);
|
|
s.handle.ptr = ptr;
|
|
s.w = 0; s.h = 0;
|
|
s.region[0] = 0;
|
|
s.region[1] = 0;
|
|
s.region[2] = 0;
|
|
s.region[3] = 0;
|
|
return s;
|
|
}
|
|
|
|
struct zr_image
|
|
zr_image_id(int id)
|
|
{
|
|
struct zr_image s;
|
|
s.handle.id = id;
|
|
s.w = 0; s.h = 0;
|
|
s.region[0] = 0;
|
|
s.region[1] = 0;
|
|
s.region[2] = 0;
|
|
s.region[3] = 0;
|
|
return s;
|
|
}
|
|
|
|
int
|
|
zr_image_is_subimage(const struct zr_image* img)
|
|
{
|
|
ZR_ASSERT(img);
|
|
return (img->w == 0 && img->h == 0);
|
|
}
|
|
|
|
static void
|
|
zr_unify(struct zr_rect *clip, const struct zr_rect *a, float x0, float y0,
|
|
float x1, float y1)
|
|
{
|
|
ZR_ASSERT(a);
|
|
ZR_ASSERT(clip);
|
|
clip->x = MAX(a->x, x0);
|
|
clip->y = MAX(a->y, y0);
|
|
clip->w = MIN(a->x + a->w, x1) - clip->x;
|
|
clip->h = MIN(a->y + a->h, y1) - clip->y;
|
|
clip->w = MAX(0, clip->w);
|
|
clip->h = MAX(0, clip->h);
|
|
}
|
|
|
|
static void
|
|
zr_triangle_from_direction(struct zr_vec2 *result, struct zr_rect r,
|
|
float pad_x, float pad_y, enum zr_heading direction)
|
|
{
|
|
float w_half, h_half;
|
|
ZR_ASSERT(result);
|
|
|
|
r.w = MAX(2 * pad_x, r.w);
|
|
r.h = MAX(2 * pad_y, r.h);
|
|
r.w = r.w - 2 * pad_x;
|
|
r.h = r.h - 2 * pad_y;
|
|
|
|
r.x = r.x + pad_x;
|
|
r.y = r.y + pad_y;
|
|
|
|
w_half = r.w / 2.0f;
|
|
h_half = r.h / 2.0f;
|
|
|
|
if (direction == ZR_UP) {
|
|
result[0] = zr_vec2(r.x + w_half, r.y);
|
|
result[1] = zr_vec2(r.x + r.w, r.y + r.h);
|
|
result[2] = zr_vec2(r.x, r.y + r.h);
|
|
} else if (direction == ZR_RIGHT) {
|
|
result[0] = zr_vec2(r.x, r.y);
|
|
result[1] = zr_vec2(r.x + r.w, r.y + h_half);
|
|
result[2] = zr_vec2(r.x, r.y + r.h);
|
|
} else if (direction == ZR_DOWN) {
|
|
result[0] = zr_vec2(r.x, r.y);
|
|
result[1] = zr_vec2(r.x + r.w, r.y);
|
|
result[2] = zr_vec2(r.x + w_half, r.y + r.h);
|
|
} else {
|
|
result[0] = zr_vec2(r.x, r.y + h_half);
|
|
result[1] = zr_vec2(r.x + r.w, r.y);
|
|
result[2] = zr_vec2(r.x + r.w, r.y + r.h);
|
|
}
|
|
}
|
|
|
|
static zr_size
|
|
zr_string_float_limit(char *string, int prec)
|
|
{
|
|
int dot = 0;
|
|
char *c = string;
|
|
while (*c) {
|
|
if (*c == '.') {
|
|
dot = 1;
|
|
c++;
|
|
continue;
|
|
}
|
|
if (dot == (prec+1)) {
|
|
*c = 0;
|
|
break;
|
|
}
|
|
if (dot > 0) dot++;
|
|
c++;
|
|
}
|
|
return (zr_size)(c - string);
|
|
}
|
|
/* ==============================================================
|
|
*
|
|
* UTF-8
|
|
*
|
|
* ===============================================================*/
|
|
static const zr_byte zr_utfbyte[ZR_UTF_SIZE+1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
|
|
static const zr_byte zr_utfmask[ZR_UTF_SIZE+1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
|
|
static const long zr_utfmin[ZR_UTF_SIZE+1] = {0, 0, 0x80, 0x800, 0x100000};
|
|
static const long zr_utfmax[ZR_UTF_SIZE+1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
|
|
|
|
static zr_size
|
|
zr_utf_validate(zr_rune *u, zr_size i)
|
|
{
|
|
ZR_ASSERT(u);
|
|
if (!u) return 0;
|
|
if (!ZR_BETWEEN(*u, zr_utfmin[i], zr_utfmax[i]) ||
|
|
ZR_BETWEEN(*u, 0xD800, 0xDFFF))
|
|
*u = ZR_UTF_INVALID;
|
|
for (i = 1; *u > zr_utfmax[i]; ++i);
|
|
return i;
|
|
}
|
|
|
|
static zr_rune
|
|
zr_utf_decode_byte(char c, zr_size *i)
|
|
{
|
|
ZR_ASSERT(i);
|
|
if (!i) return 0;
|
|
for(*i = 0; *i < ZR_LEN(zr_utfmask); ++(*i)) {
|
|
if (((zr_byte)c & zr_utfmask[*i]) == zr_utfbyte[*i])
|
|
return (zr_byte)(c & ~zr_utfmask[*i]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
zr_size
|
|
zr_utf_decode(const char *c, zr_rune *u, zr_size clen)
|
|
{
|
|
zr_size i, j, len, type=0;
|
|
zr_rune udecoded;
|
|
|
|
ZR_ASSERT(c);
|
|
ZR_ASSERT(u);
|
|
|
|
if (!c || !u) return 0;
|
|
if (!clen) return 0;
|
|
*u = ZR_UTF_INVALID;
|
|
|
|
udecoded = zr_utf_decode_byte(c[0], &len);
|
|
if (!ZR_BETWEEN(len, 1, ZR_UTF_SIZE))
|
|
return 1;
|
|
|
|
for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
|
|
udecoded = (udecoded << 6) | zr_utf_decode_byte(c[i], &type);
|
|
if (type != 0)
|
|
return j;
|
|
}
|
|
if (j < len)
|
|
return 0;
|
|
*u = udecoded;
|
|
zr_utf_validate(u, len);
|
|
return len;
|
|
}
|
|
|
|
static char
|
|
zr_utf_encode_byte(zr_rune u, zr_size i)
|
|
{
|
|
return (char)((zr_utfbyte[i]) | ((zr_byte)u & ~zr_utfmask[i]));
|
|
}
|
|
|
|
zr_size
|
|
zr_utf_encode(zr_rune u, char *c, zr_size clen)
|
|
{
|
|
zr_size len, i;
|
|
len = zr_utf_validate(&u, 0);
|
|
if (clen < len || !len || len > ZR_UTF_SIZE)
|
|
return 0;
|
|
|
|
for (i = len - 1; i != 0; --i) {
|
|
c[i] = zr_utf_encode_byte(u, 0);
|
|
u >>= 6;
|
|
}
|
|
c[0] = zr_utf_encode_byte(u, len);
|
|
return len;
|
|
}
|
|
|
|
zr_size
|
|
zr_utf_len(const char *str, zr_size len)
|
|
{
|
|
const char *text;
|
|
zr_size glyphes = 0;
|
|
zr_size text_len;
|
|
zr_size glyph_len;
|
|
zr_size src_len = 0;
|
|
zr_rune unicode;
|
|
|
|
ZR_ASSERT(str);
|
|
if (!str || !len) return 0;
|
|
|
|
text = str;
|
|
text_len = len;
|
|
glyph_len = zr_utf_decode(text, &unicode, text_len);
|
|
while (glyph_len && src_len < len) {
|
|
glyphes++;
|
|
src_len = src_len + glyph_len;
|
|
glyph_len = zr_utf_decode(text + src_len, &unicode, text_len - src_len);
|
|
}
|
|
return glyphes;
|
|
}
|
|
|
|
/*
|
|
* ==============================================================
|
|
*
|
|
* USER FONT
|
|
*
|
|
* ===============================================================
|
|
*/
|
|
static zr_size
|
|
zr_user_font_glyph_index_at_pos(const struct zr_user_font *font, const char *text,
|
|
zr_size text_len, float xoff)
|
|
{
|
|
zr_rune unicode;
|
|
zr_size glyph_offset = 0;
|
|
zr_size glyph_len = zr_utf_decode(text, &unicode, text_len);
|
|
zr_size text_width = font->width(font->userdata, font->height, text, glyph_len);
|
|
zr_size src_len = glyph_len;
|
|
|
|
while (text_len && glyph_len) {
|
|
if (text_width >= xoff)
|
|
return glyph_offset;
|
|
glyph_offset++;
|
|
text_len -= glyph_len;
|
|
glyph_len = zr_utf_decode(text + src_len, &unicode, text_len);
|
|
src_len += glyph_len;
|
|
text_width = font->width(font->userdata, font->height, text, src_len);
|
|
}
|
|
return glyph_offset;
|
|
}
|
|
|
|
static zr_size
|
|
zr_use_font_glyph_clamp(const struct zr_user_font *font, const char *text,
|
|
zr_size text_len, float space, zr_size *glyphes, float *text_width)
|
|
{
|
|
zr_size len = 0;
|
|
zr_size glyph_len;
|
|
float width = 0;
|
|
float last_width = 0;
|
|
zr_rune unicode;
|
|
zr_size g = 0;
|
|
|
|
glyph_len = zr_utf_decode(text, &unicode, text_len);
|
|
while (glyph_len && (width < space) && (len < text_len)) {
|
|
zr_size s;
|
|
len += glyph_len;
|
|
s = font->width(font->userdata, font->height, text, len);
|
|
last_width = width;
|
|
width = (float)s;
|
|
glyph_len = zr_utf_decode(&text[len], &unicode, text_len - len);
|
|
g++;
|
|
}
|
|
|
|
*glyphes = g;
|
|
*text_width = last_width;
|
|
return len;
|
|
}
|
|
|
|
static zr_size
|
|
zr_user_font_glyphes_fitting_in_space(const struct zr_user_font *font, const char *text,
|
|
zr_size text_len, float space, zr_size *glyphes, float *text_width)
|
|
{
|
|
zr_size glyph_len;
|
|
float width = 0;
|
|
float last_width = 0;
|
|
zr_rune unicode;
|
|
zr_size offset = 0;
|
|
zr_size g = 0;
|
|
zr_size s;
|
|
|
|
glyph_len = zr_utf_decode(text, &unicode, text_len);
|
|
s = font->width(font->userdata, font->height, text, glyph_len);
|
|
width = last_width = (float)s;
|
|
while ((width < space) && text_len) {
|
|
g++;
|
|
offset += glyph_len;
|
|
text_len -= glyph_len;
|
|
last_width = width;
|
|
glyph_len = zr_utf_decode(&text[offset], &unicode, text_len);
|
|
s = font->width(font->userdata, font->height, &text[offset], glyph_len);
|
|
width += (float)s;
|
|
}
|
|
|
|
*glyphes = g;
|
|
*text_width = last_width;
|
|
return offset;
|
|
}
|
|
/* ==============================================================
|
|
*
|
|
* Input
|
|
*
|
|
* ===============================================================*/
|
|
void
|
|
zr_input_begin(struct zr_input *in)
|
|
{
|
|
zr_size i;
|
|
ZR_ASSERT(in);
|
|
if (!in) return;
|
|
|
|
for (i = 0; i < ZR_BUTTON_MAX; ++i)
|
|
in->mouse.buttons[i].clicked = 0;
|
|
in->keyboard.text_len = 0;
|
|
in->mouse.scroll_delta = 0;
|
|
zr_vec2_mov(in->mouse.prev, in->mouse.pos);
|
|
for (i = 0; i < ZR_KEY_MAX; i++)
|
|
in->keyboard.keys[i].clicked = 0;
|
|
}
|
|
|
|
void
|
|
zr_input_motion(struct zr_input *in, int x, int y)
|
|
{
|
|
ZR_ASSERT(in);
|
|
if (!in) return;
|
|
in->mouse.pos.x = (float)x;
|
|
in->mouse.pos.y = (float)y;
|
|
}
|
|
|
|
void
|
|
zr_input_key(struct zr_input *in, enum zr_keys key, int down)
|
|
{
|
|
ZR_ASSERT(in);
|
|
if (!in) return;
|
|
if (in->keyboard.keys[key].down == down) return;
|
|
in->keyboard.keys[key].down = down;
|
|
in->keyboard.keys[key].clicked++;
|
|
}
|
|
|
|
void
|
|
zr_input_button(struct zr_input *in, enum zr_buttons id, int x, int y, int down)
|
|
{
|
|
struct zr_mouse_button *btn;
|
|
ZR_ASSERT(in);
|
|
if (!in) return;
|
|
if (in->mouse.buttons[id].down == down) return;
|
|
btn = &in->mouse.buttons[id];
|
|
btn->clicked_pos.x = (float)x;
|
|
btn->clicked_pos.y = (float)y;
|
|
btn->down = down;
|
|
btn->clicked++;
|
|
}
|
|
|
|
void
|
|
zr_input_scroll(struct zr_input *in, float y)
|
|
{
|
|
ZR_ASSERT(in);
|
|
if (!in) return;
|
|
in->mouse.scroll_delta += y;
|
|
}
|
|
|
|
void
|
|
zr_input_glyph(struct zr_input *in, const zr_glyph glyph)
|
|
{
|
|
zr_size len = 0;
|
|
zr_rune unicode;
|
|
ZR_ASSERT(in);
|
|
if (!in) return;
|
|
|
|
len = zr_utf_decode(glyph, &unicode, ZR_UTF_SIZE);
|
|
if (len && ((in->keyboard.text_len + len) < ZR_INPUT_MAX)) {
|
|
zr_utf_encode(unicode, &in->keyboard.text[in->keyboard.text_len],
|
|
ZR_INPUT_MAX - in->keyboard.text_len);
|
|
in->keyboard.text_len += len;
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_input_char(struct zr_input *in, char c)
|
|
{
|
|
zr_glyph glyph;
|
|
ZR_ASSERT(in);
|
|
glyph[0] = c;
|
|
zr_input_glyph(in, glyph);
|
|
}
|
|
|
|
void
|
|
zr_input_unicode(struct zr_input *in, zr_rune unicode)
|
|
{
|
|
zr_glyph rune;
|
|
ZR_ASSERT(in);
|
|
zr_utf_encode(unicode, rune, ZR_UTF_SIZE);
|
|
zr_input_glyph(in, rune);
|
|
}
|
|
|
|
void
|
|
zr_input_end(struct zr_input *in)
|
|
{
|
|
ZR_ASSERT(in);
|
|
if (!in) return;
|
|
in->mouse.delta = zr_vec2_sub(in->mouse.pos, in->mouse.prev);
|
|
}
|
|
|
|
int
|
|
zr_input_has_mouse_click_in_rect(const struct zr_input *i, enum zr_buttons id,
|
|
struct zr_rect b)
|
|
{
|
|
const struct zr_mouse_button *btn;
|
|
if (!i) return zr_false;
|
|
btn = &i->mouse.buttons[id];
|
|
if (!ZR_INBOX(btn->clicked_pos.x,btn->clicked_pos.y,b.x,b.y,b.w,b.h))
|
|
return zr_false;
|
|
return zr_true;
|
|
}
|
|
|
|
int
|
|
zr_input_has_mouse_click_down_in_rect(const struct zr_input *i, enum zr_buttons id,
|
|
struct zr_rect b, int down)
|
|
{
|
|
const struct zr_mouse_button *btn;
|
|
if (!i) return zr_false;
|
|
btn = &i->mouse.buttons[id];
|
|
return zr_input_has_mouse_click_in_rect(i, id, b) && (btn->down == down);
|
|
}
|
|
|
|
int
|
|
zr_input_is_mouse_click_in_rect(const struct zr_input *i, enum zr_buttons id,
|
|
struct zr_rect b)
|
|
{
|
|
const struct zr_mouse_button *btn;
|
|
if (!i) return zr_false;
|
|
btn = &i->mouse.buttons[id];
|
|
return (zr_input_has_mouse_click_down_in_rect(i, id, b, zr_true) &&
|
|
btn->clicked) ? zr_true : zr_false;
|
|
}
|
|
|
|
int
|
|
zr_input_is_mouse_hovering_rect(const struct zr_input *i, struct zr_rect rect)
|
|
{
|
|
if (!i) return zr_false;
|
|
return ZR_INBOX(i->mouse.pos.x, i->mouse.pos.y, rect.x, rect.y, rect.w, rect.h);
|
|
}
|
|
|
|
int
|
|
zr_input_is_mouse_prev_hovering_rect(const struct zr_input *i, struct zr_rect rect)
|
|
{
|
|
if (!i) return zr_false;
|
|
return ZR_INBOX(i->mouse.prev.x, i->mouse.prev.y, rect.x, rect.y, rect.w, rect.h);
|
|
}
|
|
|
|
int
|
|
zr_input_mouse_clicked(const struct zr_input *i, enum zr_buttons id, struct zr_rect rect)
|
|
{
|
|
if (!i) return zr_false;
|
|
if (!zr_input_is_mouse_hovering_rect(i, rect)) return zr_false;
|
|
return zr_input_is_mouse_click_in_rect(i, id, rect);
|
|
}
|
|
|
|
int
|
|
zr_input_is_mouse_down(const struct zr_input *i, enum zr_buttons id)
|
|
{
|
|
if (!i) return zr_false;
|
|
return i->mouse.buttons[id].down;
|
|
}
|
|
|
|
int
|
|
zr_input_is_mouse_pressed(const struct zr_input *i, enum zr_buttons id)
|
|
{
|
|
const struct zr_mouse_button *b;
|
|
if (!i) return zr_false;
|
|
b = &i->mouse.buttons[id];
|
|
if (b->down && b->clicked)
|
|
return zr_true;
|
|
return zr_false;
|
|
}
|
|
|
|
int
|
|
zr_input_is_mouse_released(const struct zr_input *i, enum zr_buttons id)
|
|
{
|
|
if (!i) return zr_false;
|
|
return (!i->mouse.buttons[id].down && i->mouse.buttons[id].clicked) ? zr_true : zr_false;
|
|
}
|
|
|
|
int
|
|
zr_input_is_key_pressed(const struct zr_input *i, enum zr_keys key)
|
|
{
|
|
const struct zr_key *k;
|
|
if (!i) return zr_false;
|
|
k = &i->keyboard.keys[key];
|
|
if (k->down && k->clicked)
|
|
return zr_true;
|
|
return zr_false;
|
|
}
|
|
|
|
int
|
|
zr_input_is_key_released(const struct zr_input *i, enum zr_keys key)
|
|
{
|
|
const struct zr_key *k;
|
|
if (!i) return zr_false;
|
|
k = &i->keyboard.keys[key];
|
|
if (!k->down && k->clicked)
|
|
return zr_true;
|
|
return zr_false;
|
|
}
|
|
|
|
int
|
|
zr_input_is_key_down(const struct zr_input *i, enum zr_keys key)
|
|
{
|
|
const struct zr_key *k;
|
|
if (!i) return zr_false;
|
|
k = &i->keyboard.keys[key];
|
|
if (k->down) return zr_true;
|
|
return zr_false;
|
|
}
|
|
|
|
/* ==============================================================
|
|
*
|
|
* Buffer
|
|
*
|
|
* ===============================================================*/
|
|
void
|
|
zr_buffer_init(struct zr_buffer *b, const struct zr_allocator *a,
|
|
zr_size initial_size, float grow_factor)
|
|
{
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(a);
|
|
ZR_ASSERT(initial_size);
|
|
if (!b || !a || !initial_size) return;
|
|
|
|
zr_zero(b, sizeof(*b));
|
|
b->type = ZR_BUFFER_DYNAMIC;
|
|
b->memory.ptr = a->alloc(a->userdata, initial_size);
|
|
b->memory.size = initial_size;
|
|
b->size = initial_size;
|
|
b->grow_factor = grow_factor;
|
|
b->pool = *a;
|
|
}
|
|
|
|
void
|
|
zr_buffer_init_fixed(struct zr_buffer *b, void *m, zr_size size)
|
|
{
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(m);
|
|
ZR_ASSERT(size);
|
|
if (!b || !m || !size) return;
|
|
|
|
zr_zero(b, sizeof(*b));
|
|
b->type = ZR_BUFFER_FIXED;
|
|
b->memory.ptr = m;
|
|
b->memory.size = size;
|
|
b->size = size;
|
|
}
|
|
|
|
static void*
|
|
zr_buffer_align(void *unaligned, zr_size align, zr_size *alignment,
|
|
enum zr_buffer_allocation_type type)
|
|
{
|
|
void *memory = 0;
|
|
if (type == ZR_BUFFER_FRONT) {
|
|
if (align) {
|
|
memory = ZR_ALIGN_PTR(unaligned, align);
|
|
*alignment = (zr_size)((zr_byte*)memory - (zr_byte*)unaligned);
|
|
} else {
|
|
memory = unaligned;
|
|
*alignment = 0;
|
|
}
|
|
} else {
|
|
if (align) {
|
|
memory = ZR_ALIGN_PTR_BACK(unaligned, align);
|
|
*alignment = (zr_size)((zr_byte*)unaligned - (zr_byte*)memory);
|
|
} else {
|
|
memory = unaligned;
|
|
*alignment = 0;
|
|
}
|
|
}
|
|
return memory;
|
|
}
|
|
|
|
static void*
|
|
zr_buffer_realloc(struct zr_buffer *b, zr_size capacity, zr_size *size)
|
|
{
|
|
void *temp;
|
|
zr_size buffer_size;
|
|
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(size);
|
|
if (!b || !size || !b->pool.alloc || !b->pool.free)
|
|
return 0;
|
|
|
|
buffer_size = b->memory.size;
|
|
temp = b->pool.alloc(b->pool.userdata, capacity);
|
|
ZR_ASSERT(temp);
|
|
if (!temp) return 0;
|
|
zr_memcopy(temp, b->memory.ptr, buffer_size);
|
|
b->pool.free(b->pool.userdata, b->memory.ptr);
|
|
*size = capacity;
|
|
|
|
if (b->size == buffer_size) {
|
|
/* no back buffer so just set correct size */
|
|
b->size = capacity;
|
|
return temp;
|
|
} else {
|
|
/* copy back buffer to the end of the new buffer */
|
|
void *dst, *src;
|
|
zr_size back_size;
|
|
back_size = buffer_size - b->size;
|
|
dst = zr_ptr_add(void, temp, capacity - back_size);
|
|
src = zr_ptr_add(void, temp, b->size);
|
|
zr_memcopy(dst, src, back_size);
|
|
b->size = capacity - back_size;
|
|
}
|
|
return temp;
|
|
}
|
|
|
|
static void*
|
|
zr_buffer_alloc(struct zr_buffer *b, enum zr_buffer_allocation_type type,
|
|
zr_size size, zr_size align)
|
|
{
|
|
int full;
|
|
zr_size cap;
|
|
zr_size alignment;
|
|
void *unaligned;
|
|
void *memory;
|
|
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(size);
|
|
if (!b || !size) return 0;
|
|
b->needed += size;
|
|
|
|
/* calculate total size with needed alignment + size */
|
|
if (type == ZR_BUFFER_FRONT)
|
|
unaligned = zr_ptr_add(void, b->memory.ptr, b->allocated);
|
|
else unaligned = zr_ptr_add(void, b->memory.ptr, b->size - size);
|
|
memory = zr_buffer_align(unaligned, align, &alignment, type);
|
|
|
|
/* check if buffer has enough memory*/
|
|
if (type == ZR_BUFFER_FRONT)
|
|
full = ((b->allocated + size + alignment) > b->size);
|
|
else full = ((b->size - (size + alignment)) <= b->allocated);
|
|
|
|
if (full) {
|
|
/* buffer is full so allocate bigger buffer if dynamic */
|
|
ZR_ASSERT(b->type == ZR_BUFFER_DYNAMIC);
|
|
ZR_ASSERT(b->pool.alloc && b->pool.free);
|
|
if (b->type != ZR_BUFFER_DYNAMIC || !b->pool.alloc || !b->pool.free) return 0;
|
|
|
|
cap = (zr_size)((float)b->memory.size * b->grow_factor);
|
|
cap = MAX(cap, zr_round_up_pow2((uint32_t)(b->allocated + size)));
|
|
b->memory.ptr = zr_buffer_realloc(b, cap, &b->memory.size);
|
|
if (!b->memory.ptr) return 0;
|
|
|
|
/* align newly allocated pointer */
|
|
if (type == ZR_BUFFER_FRONT)
|
|
unaligned = zr_ptr_add(void, b->memory.ptr, b->allocated);
|
|
else unaligned = zr_ptr_add(void, b->memory.ptr, b->size);
|
|
memory = zr_buffer_align(unaligned, align, &alignment, type);
|
|
}
|
|
|
|
if (type == ZR_BUFFER_FRONT)
|
|
b->allocated += size + alignment;
|
|
else b->size -= (size + alignment);
|
|
b->needed += alignment;
|
|
b->calls++;
|
|
return memory;
|
|
}
|
|
|
|
int
|
|
zr_buffer_push(struct zr_buffer *buffer, enum zr_buffer_allocation_type type,
|
|
void *data, zr_size size, zr_size align)
|
|
{
|
|
zr_size i = 0;
|
|
zr_byte *dst, *src;
|
|
ZR_ASSERT(buffer);
|
|
ZR_ASSERT(data);
|
|
ZR_ASSERT(size);
|
|
|
|
src = (zr_byte*)data;
|
|
dst = (zr_byte*)zr_buffer_alloc(buffer, type, size, align);
|
|
if (!dst) return zr_false;
|
|
for (i = 0; i < size; ++i)
|
|
dst[i] = src[i];
|
|
return zr_true;
|
|
}
|
|
|
|
void
|
|
zr_buffer_mark(struct zr_buffer *buffer, enum zr_buffer_allocation_type type)
|
|
{
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer) return;
|
|
buffer->marker[type].active = zr_true;
|
|
if (type == ZR_BUFFER_BACK)
|
|
buffer->marker[type].offset = buffer->size;
|
|
else buffer->marker[type].offset = buffer->allocated;
|
|
}
|
|
|
|
void
|
|
zr_buffer_reset(struct zr_buffer *buffer, enum zr_buffer_allocation_type type)
|
|
{
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer) return;
|
|
if (type == ZR_BUFFER_BACK) {
|
|
/* reset back buffer either back to marker or empty */
|
|
buffer->needed -= (buffer->memory.size - buffer->marker[type].offset);
|
|
if (buffer->marker[type].active)
|
|
buffer->size = buffer->marker[type].offset;
|
|
else buffer->size = buffer->memory.size;
|
|
buffer->marker[type].active = zr_false;
|
|
} else {
|
|
/* reset front buffer either back to back marker or empty */
|
|
buffer->needed -= (buffer->allocated - buffer->marker[type].offset);
|
|
if (buffer->marker[type].active)
|
|
buffer->allocated = buffer->marker[type].offset;
|
|
else buffer->allocated = 0;
|
|
buffer->marker[type].active = zr_false;
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_buffer_clear(struct zr_buffer *b)
|
|
{
|
|
ZR_ASSERT(b);
|
|
if (!b) return;
|
|
b->allocated = 0;
|
|
b->size = b->memory.size;
|
|
b->calls = 0;
|
|
b->needed = 0;
|
|
}
|
|
|
|
void
|
|
zr_buffer_free(struct zr_buffer *b)
|
|
{
|
|
ZR_ASSERT(b);
|
|
if (!b || !b->memory.ptr) return;
|
|
if (b->type == ZR_BUFFER_FIXED) return;
|
|
if (!b->pool.free) return;
|
|
ZR_ASSERT(b->pool.free);
|
|
b->pool.free(b->pool.userdata, b->memory.ptr);
|
|
}
|
|
|
|
void
|
|
zr_buffer_info(struct zr_memory_status *s, struct zr_buffer *b)
|
|
{
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(s);
|
|
if (!s || !b) return;
|
|
s->allocated = b->allocated;
|
|
s->size = b->memory.size;
|
|
s->needed = b->needed;
|
|
s->memory = b->memory.ptr;
|
|
s->calls = b->calls;
|
|
}
|
|
|
|
void*
|
|
zr_buffer_memory(struct zr_buffer *buffer)
|
|
{
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer) return 0;
|
|
return buffer->memory.ptr;
|
|
}
|
|
|
|
zr_size
|
|
zr_buffer_total(struct zr_buffer *buffer)
|
|
{
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer) return 0;
|
|
return buffer->memory.size;
|
|
}
|
|
/* ==============================================================
|
|
*
|
|
* Command buffer
|
|
*
|
|
* ===============================================================*/
|
|
void
|
|
zr_command_buffer_init(struct zr_command_buffer *cmdbuf,
|
|
struct zr_buffer *buffer, enum zr_command_clipping clip)
|
|
{
|
|
ZR_ASSERT(cmdbuf);
|
|
ZR_ASSERT(buffer);
|
|
if (!cmdbuf || !buffer) return;
|
|
cmdbuf->queue = 0;
|
|
cmdbuf->base = buffer;
|
|
cmdbuf->use_clipping = clip;
|
|
cmdbuf->begin = buffer->allocated;
|
|
cmdbuf->end = buffer->allocated;
|
|
cmdbuf->last = buffer->allocated;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_reset(struct zr_command_buffer *buffer)
|
|
{
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer) return;
|
|
zr_zero(&buffer->stats, sizeof(buffer->stats));
|
|
buffer->begin = 0;
|
|
buffer->end = 0;
|
|
buffer->last = 0;
|
|
buffer->clip = zr_null_rect;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_clear(struct zr_command_buffer *buffer)
|
|
{
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer) return;
|
|
zr_command_buffer_reset(buffer);
|
|
zr_buffer_clear(buffer->base);
|
|
}
|
|
|
|
void*
|
|
zr_command_buffer_push(struct zr_command_buffer* b,
|
|
enum zr_command_type t, zr_size size)
|
|
{
|
|
static const zr_size align = ZR_ALIGNOF(struct zr_command);
|
|
struct zr_command *cmd;
|
|
zr_size alignment;
|
|
void *unaligned;
|
|
void *memory;
|
|
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(b->base);
|
|
if (!b) return 0;
|
|
|
|
cmd = (struct zr_command*)zr_buffer_alloc(b->base, ZR_BUFFER_FRONT, size, align);
|
|
if (!cmd) return 0;
|
|
|
|
/* make sure the offset to the next command is aligned */
|
|
b->last = (zr_size)((zr_byte*)cmd - (zr_byte*)b->base->memory.ptr);
|
|
unaligned = (zr_byte*)cmd + size;
|
|
memory = ZR_ALIGN_PTR(unaligned, align);
|
|
alignment = (zr_size)((zr_byte*)memory - (zr_byte*)unaligned);
|
|
|
|
cmd->type = t;
|
|
cmd->next = b->base->allocated + alignment;
|
|
b->end = cmd->next;
|
|
return cmd;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_scissor(struct zr_command_buffer *b, struct zr_rect r)
|
|
{
|
|
struct zr_command_scissor *cmd;
|
|
ZR_ASSERT(b);
|
|
if (!b) return;
|
|
|
|
b->clip.x = r.x;
|
|
b->clip.y = r.y;
|
|
b->clip.w = r.w;
|
|
b->clip.h = r.h;
|
|
cmd = (struct zr_command_scissor*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_SCISSOR, sizeof(*cmd));
|
|
if (!cmd) return;
|
|
cmd->x = (short)r.x;
|
|
cmd->y = (short)r.y;
|
|
cmd->w = (unsigned short)MAX(0, r.w);
|
|
cmd->h = (unsigned short)MAX(0, r.h);
|
|
b->stats.scissors++;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_line(struct zr_command_buffer *b, float x0, float y0,
|
|
float x1, float y1, struct zr_color c)
|
|
{
|
|
struct zr_command_line *cmd;
|
|
ZR_ASSERT(b);
|
|
if (!b) return;
|
|
cmd = (struct zr_command_line*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_LINE, sizeof(*cmd));
|
|
if (!cmd) return;
|
|
cmd->begin.x = (short)x0;
|
|
cmd->begin.y = (short)y0;
|
|
cmd->end.x = (short)x1;
|
|
cmd->end.y = (short)y1;
|
|
cmd->color = c;
|
|
b->stats.lines++;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_curve(struct zr_command_buffer *b, float ax, float ay,
|
|
float ctrl0x, float ctrl0y, float ctrl1x, float ctrl1y,
|
|
float bx, float by, struct zr_color col)
|
|
{
|
|
struct zr_command_curve *cmd;
|
|
ZR_ASSERT(b);
|
|
if (!b) return;
|
|
|
|
cmd = (struct zr_command_curve*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_CURVE, sizeof(*cmd));
|
|
if (!cmd) return;
|
|
cmd->begin.x = (short)ax;
|
|
cmd->begin.y = (short)ay;
|
|
cmd->ctrl[0].x = (short)ctrl0x;
|
|
cmd->ctrl[0].y = (short)ctrl0y;
|
|
cmd->ctrl[1].x = (short)ctrl1x;
|
|
cmd->ctrl[1].y = (short)ctrl1y;
|
|
cmd->end.x = (short)bx;
|
|
cmd->end.y = (short)by;
|
|
cmd->color = col;
|
|
b->stats.curves++;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_rect(struct zr_command_buffer *b, struct zr_rect rect,
|
|
float rounding, struct zr_color c)
|
|
{
|
|
struct zr_command_rect *cmd;
|
|
ZR_ASSERT(b);
|
|
if (!b) return;
|
|
if (b->use_clipping) {
|
|
const struct zr_rect *clip = &b->clip;
|
|
if (!ZR_INTERSECT(rect.x, rect.y, rect.w, rect.h,
|
|
clip->x, clip->y, clip->w, clip->h)) return;
|
|
}
|
|
|
|
cmd = (struct zr_command_rect*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_RECT, sizeof(*cmd));
|
|
if (!cmd) return;
|
|
cmd->rounding = (uint32_t)rounding;
|
|
cmd->x = (short)rect.x;
|
|
cmd->y = (short)rect.y;
|
|
cmd->w = (unsigned short)MAX(0, rect.w);
|
|
cmd->h = (unsigned short)MAX(0, rect.h);
|
|
cmd->color = c;
|
|
b->stats.rectangles++;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_circle(struct zr_command_buffer *b, struct zr_rect r,
|
|
struct zr_color c)
|
|
{
|
|
struct zr_command_circle *cmd;
|
|
ZR_ASSERT(b);
|
|
if (!b) return;
|
|
if (b->use_clipping) {
|
|
const struct zr_rect *clip = &b->clip;
|
|
if (!ZR_INTERSECT(r.x, r.y, r.w, r.h, clip->x, clip->y, clip->w, clip->h))
|
|
return;
|
|
}
|
|
|
|
cmd = (struct zr_command_circle*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_CIRCLE, sizeof(*cmd));
|
|
if (!cmd) return;
|
|
cmd->x = (short)r.x;
|
|
cmd->y = (short)r.y;
|
|
cmd->w = (unsigned short)MAX(r.w, 0);
|
|
cmd->h = (unsigned short)MAX(r.h, 0);
|
|
cmd->color = c;
|
|
b->stats.circles++;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_arc(struct zr_command_buffer *b, float cx,
|
|
float cy, float radius, float a_min, float a_max, struct zr_color c)
|
|
{
|
|
struct zr_command_arc *cmd;
|
|
cmd = (struct zr_command_arc*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_ARC, sizeof(*cmd));
|
|
if (!cmd) return;
|
|
cmd->cx = (short)cx;
|
|
cmd->cy = (short)cy;
|
|
cmd->r = (unsigned short)radius;
|
|
cmd->a[0] = a_min;
|
|
cmd->a[1] = a_max;
|
|
cmd->color = c;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_triangle(struct zr_command_buffer *b,float x0,float y0,
|
|
float x1, float y1, float x2, float y2, struct zr_color c)
|
|
{
|
|
struct zr_command_triangle *cmd;
|
|
ZR_ASSERT(b);
|
|
if (!b) return;
|
|
if (b->use_clipping) {
|
|
const struct zr_rect *clip = &b->clip;
|
|
if (!ZR_INBOX(x0, y0, clip->x, clip->y, clip->w, clip->h) ||
|
|
!ZR_INBOX(x1, y1, clip->x, clip->y, clip->w, clip->h) ||
|
|
!ZR_INBOX(x2, y2, clip->x, clip->y, clip->w, clip->h))
|
|
return;
|
|
}
|
|
|
|
cmd = (struct zr_command_triangle*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_TRIANGLE, sizeof(*cmd));
|
|
if (!cmd) return;
|
|
cmd->a.x = (short)x0;
|
|
cmd->a.y = (short)y0;
|
|
cmd->b.x = (short)x1;
|
|
cmd->b.y = (short)y1;
|
|
cmd->c.x = (short)x2;
|
|
cmd->c.y = (short)y2;
|
|
cmd->color = c;
|
|
b->stats.triangles++;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_image(struct zr_command_buffer *b, struct zr_rect r,
|
|
struct zr_image *img)
|
|
{
|
|
struct zr_command_image *cmd;
|
|
ZR_ASSERT(b);
|
|
if (!b) return;
|
|
if (b->use_clipping) {
|
|
const struct zr_rect *c = &b->clip;
|
|
if (!ZR_INTERSECT(r.x, r.y, r.w, r.h, c->x, c->y, c->w, c->h))
|
|
return;
|
|
}
|
|
|
|
cmd = (struct zr_command_image*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_IMAGE, sizeof(*cmd));
|
|
if (!cmd) return;
|
|
cmd->x = (short)r.x;
|
|
cmd->y = (short)r.y;
|
|
cmd->w = (unsigned short)MAX(0, r.w);
|
|
cmd->h = (unsigned short)MAX(0, r.h);
|
|
cmd->img = *img;
|
|
b->stats.images++;
|
|
}
|
|
|
|
void
|
|
zr_command_buffer_push_text(struct zr_command_buffer *b, struct zr_rect r,
|
|
const char *string, zr_size length, const struct zr_user_font *font,
|
|
struct zr_color bg, struct zr_color fg)
|
|
{
|
|
zr_size text_width = 0;
|
|
struct zr_command_text *cmd;
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(font);
|
|
if (!b || !string || !length) return;
|
|
if (b->use_clipping) {
|
|
const struct zr_rect *c = &b->clip;
|
|
if (!ZR_INTERSECT(r.x, r.y, r.w, r.h, c->x, c->y, c->w, c->h))
|
|
return;
|
|
}
|
|
|
|
/* make sure text fits inside bounds */
|
|
text_width = font->width(font->userdata, font->height, string, length);
|
|
if (text_width > r.w){
|
|
float txt_width = (float)text_width;
|
|
zr_size glyphes = 0;
|
|
length = zr_use_font_glyph_clamp(font, string, length, r.w, &glyphes, &txt_width);
|
|
}
|
|
|
|
if (!length) return;
|
|
cmd = (struct zr_command_text*)
|
|
zr_command_buffer_push(b, ZR_COMMAND_TEXT, sizeof(*cmd) + length + 1);
|
|
if (!cmd) return;
|
|
cmd->x = (short)r.x;
|
|
cmd->y = (short)r.y;
|
|
cmd->w = (unsigned short)r.w;
|
|
cmd->h = (unsigned short)r.h;
|
|
cmd->background = bg;
|
|
cmd->foreground = fg;
|
|
cmd->font = font;
|
|
cmd->length = length;
|
|
cmd->height = font->height;
|
|
zr_memcopy(cmd->string, string, length);
|
|
cmd->string[length] = '\0';
|
|
b->stats.text++;
|
|
b->stats.glyphes += (unsigned int)length;
|
|
}
|
|
|
|
const struct zr_command*
|
|
zr_command_buffer_begin(struct zr_command_buffer *buffer)
|
|
{
|
|
zr_byte *memory;
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer || !buffer->base) return 0;
|
|
if (buffer->last == buffer->begin) return 0;
|
|
memory = (zr_byte*)buffer->base->memory.ptr;
|
|
return zr_ptr_add_const(struct zr_command, memory, buffer->begin);
|
|
}
|
|
|
|
const struct zr_command*
|
|
zr_command_buffer_next(struct zr_command_buffer *buffer,
|
|
struct zr_command *cmd)
|
|
{
|
|
zr_byte *memory;
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer) return 0;
|
|
if (!cmd) return 0;
|
|
if (cmd->next > buffer->last) return 0;
|
|
if (cmd->next > buffer->base->allocated) return 0;
|
|
memory = (zr_byte*)buffer->base->memory.ptr;
|
|
return zr_ptr_add_const(struct zr_command, memory, cmd->next);
|
|
}
|
|
/* ==============================================================
|
|
*
|
|
* Command Queue
|
|
*
|
|
* ===============================================================*/
|
|
void
|
|
zr_command_queue_init(struct zr_command_queue *queue,
|
|
const struct zr_allocator *alloc, zr_size initial_size, float grow_factor)
|
|
{
|
|
ZR_ASSERT(alloc);
|
|
ZR_ASSERT(queue);
|
|
if (!alloc || !queue) return;
|
|
zr_zero(queue, sizeof(*queue));
|
|
zr_buffer_init(&queue->buffer, alloc, initial_size, grow_factor);
|
|
}
|
|
|
|
void
|
|
zr_command_queue_init_fixed(struct zr_command_queue *queue,
|
|
void *memory, zr_size size)
|
|
{
|
|
ZR_ASSERT(size);
|
|
ZR_ASSERT(memory);
|
|
ZR_ASSERT(queue);
|
|
if (!memory || !size || !queue) return;
|
|
zr_zero(queue, sizeof(*queue));
|
|
zr_buffer_init_fixed(&queue->buffer, memory, size);
|
|
}
|
|
|
|
void
|
|
zr_command_queue_insert_back(struct zr_command_queue *queue,
|
|
struct zr_command_buffer *buffer)
|
|
{
|
|
struct zr_command_buffer_list *list;
|
|
ZR_ASSERT(queue);
|
|
ZR_ASSERT(buffer);
|
|
if (!queue || !buffer) return;
|
|
|
|
list = &queue->list;
|
|
if (!list->begin) {
|
|
buffer->next = 0;
|
|
buffer->prev = 0;
|
|
list->begin = buffer;
|
|
list->end = buffer;
|
|
list->count = 1;
|
|
buffer->queue = queue;
|
|
return;
|
|
}
|
|
|
|
list->end->next = buffer;
|
|
buffer->prev = list->end;
|
|
buffer->next = 0;
|
|
list->end = buffer;
|
|
list->count++;
|
|
buffer->queue = queue;
|
|
}
|
|
|
|
void
|
|
zr_command_queue_insert_front(struct zr_command_queue *queue,
|
|
struct zr_command_buffer *buffer)
|
|
{
|
|
struct zr_command_buffer_list *list;
|
|
ZR_ASSERT(queue);
|
|
ZR_ASSERT(buffer);
|
|
if (!queue || !buffer) return;
|
|
|
|
list = &queue->list;
|
|
if (!list->begin) {
|
|
zr_command_queue_insert_back(queue, buffer);
|
|
return;
|
|
}
|
|
|
|
list->begin->prev = buffer;
|
|
buffer->next = list->begin;
|
|
buffer->prev = 0;
|
|
list->begin = buffer;
|
|
list->count++;
|
|
buffer->queue = queue;
|
|
}
|
|
|
|
void
|
|
zr_command_queue_remove(struct zr_command_queue *queue,
|
|
struct zr_command_buffer *buffer)
|
|
{
|
|
struct zr_command_buffer_list *list;
|
|
ZR_ASSERT(queue);
|
|
ZR_ASSERT(buffer);
|
|
if (!queue || !buffer) return;
|
|
|
|
list = &queue->list;
|
|
if (buffer->prev)
|
|
buffer->prev->next = buffer->next;
|
|
if (buffer->next)
|
|
buffer->next->prev = buffer->prev;
|
|
if (list->begin == buffer)
|
|
list->begin = buffer->next;
|
|
if (list->end == buffer)
|
|
list->end = buffer->prev;
|
|
|
|
buffer->next = 0;
|
|
buffer->prev = 0;
|
|
list->count--;
|
|
}
|
|
|
|
int
|
|
zr_command_queue_start_child(struct zr_command_queue *queue,
|
|
struct zr_command_buffer *buffer)
|
|
{
|
|
static const zr_size buf_size = sizeof(struct zr_command_sub_buffer);
|
|
static const zr_size buf_align = ZR_ALIGNOF(struct zr_command_sub_buffer);
|
|
struct zr_command_sub_buffer_stack *stack;
|
|
struct zr_command_sub_buffer *buf;
|
|
struct zr_command_sub_buffer *end;
|
|
zr_size offset;
|
|
zr_size size;
|
|
void *memory;
|
|
|
|
ZR_ASSERT(queue);
|
|
ZR_ASSERT(buffer);
|
|
if (!queue || !buffer) return zr_false;
|
|
|
|
/* allocate header space from the buffer */
|
|
memory = queue->buffer.memory.ptr;
|
|
buf = (struct zr_command_sub_buffer*)
|
|
zr_buffer_alloc(&queue->buffer, ZR_BUFFER_BACK, buf_size, buf_align);
|
|
if (!buf) return zr_false;
|
|
zr_zero(buf, sizeof(*buf));
|
|
offset = (zr_size)(((zr_byte*)memory + queue->buffer.memory.size) - (zr_byte*)buf);
|
|
|
|
/* setup sub buffer */
|
|
buf->begin = buffer->end;
|
|
buf->end = buffer->end;
|
|
buf->parent_last = buffer->last;
|
|
buf->last = buf->begin;
|
|
buf->next = 0;
|
|
|
|
/* add first sub-buffer into the stack */
|
|
stack = &queue->stack;
|
|
stack->count++;
|
|
if (!stack->begin) {
|
|
stack->begin = offset;
|
|
stack->end = offset;
|
|
return zr_true;
|
|
}
|
|
|
|
/* add sub-buffer at the end of the stack */
|
|
size = queue->buffer.memory.size;
|
|
end = zr_ptr_add(struct zr_command_sub_buffer, memory, (size - stack->end));
|
|
end->next = offset;
|
|
stack->end = offset;
|
|
return zr_true;
|
|
}
|
|
|
|
void
|
|
zr_command_queue_finish_child(struct zr_command_queue *queue,
|
|
struct zr_command_buffer *buffer)
|
|
{
|
|
struct zr_command_sub_buffer *buf;
|
|
struct zr_command_sub_buffer_stack *stack;
|
|
zr_size offset;
|
|
|
|
ZR_ASSERT(queue);
|
|
ZR_ASSERT(buffer);
|
|
if (!queue || !buffer) return;
|
|
if (!queue->stack.count) return;
|
|
|
|
stack = &queue->stack;
|
|
offset = queue->buffer.memory.size - stack->end;
|
|
buf = zr_ptr_add(struct zr_command_sub_buffer, queue->buffer.memory.ptr, offset);
|
|
buf->last = buffer->last;
|
|
buf->end = buffer->end;
|
|
}
|
|
|
|
void
|
|
zr_command_queue_start(struct zr_command_queue *queue,
|
|
struct zr_command_buffer *buffer)
|
|
{
|
|
ZR_ASSERT(queue);
|
|
ZR_ASSERT(buffer);
|
|
if (!queue || !buffer) return;
|
|
zr_zero(&buffer->stats, sizeof(buffer->stats));
|
|
buffer->begin = queue->buffer.allocated;
|
|
buffer->end = buffer->begin;
|
|
buffer->last = buffer->begin;
|
|
buffer->clip = zr_null_rect;
|
|
}
|
|
|
|
void
|
|
zr_command_queue_finish(struct zr_command_queue *queue,
|
|
struct zr_command_buffer *buffer)
|
|
{
|
|
void *memory;
|
|
zr_size size;
|
|
zr_size i = 0;
|
|
struct zr_command_sub_buffer *iter;
|
|
struct zr_command_sub_buffer_stack *stack;
|
|
|
|
ZR_ASSERT(queue);
|
|
ZR_ASSERT(buffer);
|
|
|
|
if (!queue || !buffer) return;
|
|
stack = &queue->stack;
|
|
buffer->end = queue->buffer.allocated;
|
|
if (!stack->count) return;
|
|
|
|
memory = queue->buffer.memory.ptr;
|
|
size = queue->buffer.memory.size;
|
|
iter = zr_ptr_add(struct zr_command_sub_buffer, memory, (size - stack->begin));
|
|
|
|
/* fix buffer command list for subbuffers */
|
|
for (i = 0; i < queue->stack.count; ++i) {
|
|
struct zr_command *parent_last, *sublast, *last;
|
|
|
|
parent_last = zr_ptr_add(struct zr_command, memory, iter->parent_last);
|
|
sublast = zr_ptr_add(struct zr_command, memory, iter->last);
|
|
last = zr_ptr_add(struct zr_command, memory, buffer->last);
|
|
|
|
/* redirect the subbuffer to the end of the current command buffer */
|
|
parent_last->next = iter->end;
|
|
if (i == (queue->stack.count-1))
|
|
sublast->next = last->next;
|
|
last->next = iter->begin;
|
|
buffer->last = iter->last;
|
|
buffer->end = iter->end;
|
|
iter = zr_ptr_add(struct zr_command_sub_buffer, memory, size - iter->next);
|
|
}
|
|
queue->stack.count = 0;
|
|
queue->stack.begin = 0;
|
|
queue->stack.end = 0;
|
|
}
|
|
|
|
void
|
|
zr_command_queue_free(struct zr_command_queue *queue)
|
|
{
|
|
ZR_ASSERT(queue);
|
|
if (!queue) return;
|
|
zr_buffer_clear(&queue->buffer);
|
|
zr_buffer_free(&queue->buffer);
|
|
}
|
|
|
|
void
|
|
zr_command_queue_clear(struct zr_command_queue *queue)
|
|
{
|
|
ZR_ASSERT(queue);
|
|
if (!queue) return;
|
|
zr_buffer_clear(&queue->buffer);
|
|
queue->build = zr_false;
|
|
zr_zero(&queue->stack, sizeof(queue->stack));
|
|
}
|
|
|
|
void
|
|
zr_command_queue_build(struct zr_command_queue *queue)
|
|
{
|
|
struct zr_command_buffer *iter;
|
|
struct zr_command_buffer *next;
|
|
struct zr_command *cmd;
|
|
zr_byte *buffer;
|
|
|
|
iter = queue->list.begin;
|
|
buffer = (zr_byte*)queue->buffer.memory.ptr;
|
|
while (iter != 0) {
|
|
next = iter->next;
|
|
if (iter->last != iter->begin) {
|
|
cmd = zr_ptr_add(struct zr_command, buffer, iter->last);
|
|
while (next && next->last == next->begin)
|
|
next = next->next; /* skip empty command buffers */
|
|
if (next) {
|
|
cmd->next = next->begin;
|
|
} else cmd->next = queue->buffer.allocated;
|
|
}
|
|
iter = next;
|
|
}
|
|
queue->build = zr_true;
|
|
}
|
|
|
|
const struct zr_command*
|
|
zr_command_queue_begin(struct zr_command_queue *queue)
|
|
{
|
|
struct zr_command_buffer *iter;
|
|
zr_byte *buffer;
|
|
ZR_ASSERT(queue);
|
|
if (!queue) return 0;
|
|
if (!queue->list.count) return 0;
|
|
|
|
/* build one command list out of all command buffers */
|
|
buffer = (zr_byte*)queue->buffer.memory.ptr;
|
|
if (!queue->build)
|
|
zr_command_queue_build(queue);
|
|
|
|
iter = queue->list.begin;
|
|
while (iter && iter->begin == iter->end)
|
|
iter = iter->next;
|
|
if (!iter) return 0;
|
|
return zr_ptr_add_const(struct zr_command, buffer, iter->begin);
|
|
}
|
|
|
|
const struct zr_command*
|
|
zr_command_queue_next(struct zr_command_queue *queue, const struct zr_command *cmd)
|
|
{
|
|
zr_byte *buffer;
|
|
const struct zr_command *next;
|
|
ZR_ASSERT(queue);
|
|
if (!queue || !cmd || !queue->list.count) return 0;
|
|
if (cmd->next >= queue->buffer.allocated)
|
|
return 0;
|
|
buffer = (zr_byte*)queue->buffer.memory.ptr;
|
|
next = zr_ptr_add_const(struct zr_command, buffer, cmd->next);
|
|
return next;
|
|
}
|
|
/* ==============================================================
|
|
*
|
|
* Draw List
|
|
*
|
|
* ===============================================================*/
|
|
#if ZR_COMPILE_WITH_VERTEX_BUFFER
|
|
void
|
|
zr_draw_list_init(struct zr_draw_list *list, struct zr_buffer *cmds,
|
|
struct zr_buffer *vertexes, struct zr_buffer *elements,
|
|
zr_sin_f sine, zr_cos_f cosine, struct zr_draw_null_texture null,
|
|
enum zr_anti_aliasing AA)
|
|
{
|
|
zr_zero(list, sizeof(*list));
|
|
list->sin = sine;
|
|
list->cos = cosine;
|
|
list->null = null;
|
|
list->clip_rect = zr_null_rect;
|
|
list->vertexes = vertexes;
|
|
list->elements = elements;
|
|
list->buffer = cmds;
|
|
list->AA = AA;
|
|
}
|
|
|
|
void
|
|
zr_draw_list_load(struct zr_draw_list *list, struct zr_command_queue *queue,
|
|
float line_thickness, unsigned int curve_segments)
|
|
{
|
|
const struct zr_command *cmd;
|
|
ZR_ASSERT(list);
|
|
ZR_ASSERT(list->vertexes);
|
|
ZR_ASSERT(list->elements);
|
|
ZR_ASSERT(queue);
|
|
line_thickness = MAX(line_thickness, 1.0f);
|
|
if (!list || !queue || !list->vertexes || !list->elements) return;
|
|
|
|
zr_foreach_command(cmd, queue) {
|
|
switch (cmd->type) {
|
|
case ZR_COMMAND_NOP: break;
|
|
case ZR_COMMAND_SCISSOR: {
|
|
const struct zr_command_scissor *s = zr_command(scissor, cmd);
|
|
zr_draw_list_add_clip(list, zr_rect(s->x, s->y, s->w, s->h));
|
|
} break;
|
|
case ZR_COMMAND_LINE: {
|
|
const struct zr_command_line *l = zr_command(line, cmd);
|
|
zr_draw_list_add_line(list, zr_vec2(l->begin.x, l->begin.y),
|
|
zr_vec2(l->end.x, l->end.y), l->color, line_thickness);
|
|
} break;
|
|
case ZR_COMMAND_CURVE: {
|
|
const struct zr_command_curve *q = zr_command(curve, cmd);
|
|
zr_draw_list_add_curve(list, zr_vec2(q->begin.x, q->begin.y),
|
|
zr_vec2(q->ctrl[0].x, q->ctrl[0].y), zr_vec2(q->ctrl[1].x, q->ctrl[1].y),
|
|
zr_vec2(q->end.x, q->end.y), q->color, curve_segments, line_thickness);
|
|
} break;
|
|
case ZR_COMMAND_RECT: {
|
|
const struct zr_command_rect *r = zr_command(rect, cmd);
|
|
zr_draw_list_add_rect_filled(list, zr_rect(r->x, r->y, r->w, r->h),
|
|
r->color, (float)r->rounding);
|
|
} break;
|
|
case ZR_COMMAND_CIRCLE: {
|
|
const struct zr_command_circle *c = zr_command(circle, cmd);
|
|
zr_draw_list_add_circle_filled(list, zr_vec2((float)c->x + (float)c->w/2,
|
|
(float)c->y + (float)c->h/2), (float)c->w/2, c->color, curve_segments);
|
|
} break;
|
|
case ZR_COMMAND_ARC: {
|
|
const struct zr_command_arc *c = zr_command(arc, cmd);
|
|
zr_draw_list_path_arc_to(list, zr_vec2(c->cx, c->cy), c->r,
|
|
c->a[0], c->a[1], curve_segments);
|
|
zr_draw_list_path_fill(list, c->color);
|
|
} break;
|
|
case ZR_COMMAND_TRIANGLE: {
|
|
const struct zr_command_triangle *t = zr_command(triangle, cmd);
|
|
zr_draw_list_add_triangle_filled(list, zr_vec2(t->a.x, t->a.y),
|
|
zr_vec2(t->b.x, t->b.y), zr_vec2(t->c.x, t->c.y), t->color);
|
|
} break;
|
|
case ZR_COMMAND_TEXT: {
|
|
const struct zr_command_text *t = zr_command(text, cmd);
|
|
zr_draw_list_add_text(list, t->font, zr_rect(t->x, t->y, t->w, t->h),
|
|
t->string, t->length, t->height, t->background, t->foreground);
|
|
} break;
|
|
case ZR_COMMAND_IMAGE: {
|
|
const struct zr_command_image *i = zr_command(image, cmd);
|
|
zr_draw_list_add_image(list, i->img, zr_rect(i->x, i->y, i->w, i->h),
|
|
zr_rgb(255, 255, 255));
|
|
} break;
|
|
default: break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_draw_list_clear(struct zr_draw_list *list)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
if (list->buffer)
|
|
zr_buffer_clear(list->buffer);
|
|
if (list->elements)
|
|
zr_buffer_clear(list->vertexes);
|
|
if (list->vertexes)
|
|
zr_buffer_clear(list->elements);
|
|
|
|
list->element_count = 0;
|
|
list->vertex_count = 0;
|
|
list->cmd_offset = 0;
|
|
list->cmd_count = 0;
|
|
list->path_count = 0;
|
|
list->vertexes = 0;
|
|
list->elements = 0;
|
|
list->clip_rect = zr_null_rect;
|
|
}
|
|
|
|
int
|
|
zr_draw_list_is_empty(struct zr_draw_list *list)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list) return zr_true;
|
|
return (list->cmd_count == 0);
|
|
}
|
|
|
|
const struct zr_draw_command*
|
|
zr_draw_list_begin(const struct zr_draw_list *list)
|
|
{
|
|
zr_byte *memory;
|
|
zr_size offset;
|
|
const struct zr_draw_command *cmd;
|
|
ZR_ASSERT(list);
|
|
ZR_ASSERT(list->buffer);
|
|
if (!list || !list->buffer || !list->cmd_count) return 0;
|
|
|
|
memory = (zr_byte*)list->buffer->memory.ptr;
|
|
offset = list->buffer->memory.size - list->cmd_offset;
|
|
cmd = zr_ptr_add(const struct zr_draw_command, memory, offset);
|
|
return cmd;
|
|
}
|
|
|
|
const struct zr_draw_command*
|
|
zr_draw_list_next(const struct zr_draw_list *list, const struct zr_draw_command *cmd)
|
|
{
|
|
zr_byte *memory;
|
|
zr_size offset;
|
|
const struct zr_draw_command *end;
|
|
ZR_ASSERT(list);
|
|
if (!list || !list->buffer || !list->cmd_count) return 0;
|
|
|
|
memory = (zr_byte*)list->buffer->memory.ptr;
|
|
offset = list->buffer->memory.size - list->cmd_offset;
|
|
end = zr_ptr_add(const struct zr_draw_command, memory, offset);
|
|
end -= (list->cmd_count-1);
|
|
if (cmd <= end) return 0;
|
|
return (cmd - 1);
|
|
}
|
|
|
|
static struct zr_vec2*
|
|
zr_draw_list_alloc_path(struct zr_draw_list *list, zr_size count)
|
|
{
|
|
void *memory;
|
|
struct zr_vec2 *points;
|
|
static const zr_size point_align = ZR_ALIGNOF(struct zr_vec2);
|
|
static const zr_size point_size = sizeof(struct zr_vec2);
|
|
points = (struct zr_vec2*)
|
|
zr_buffer_alloc(list->buffer, ZR_BUFFER_FRONT, point_size * count, point_align);
|
|
|
|
if (!points) return 0;
|
|
if (!list->path_offset) {
|
|
memory = zr_buffer_memory(list->buffer);
|
|
list->path_offset = (unsigned int)((zr_byte*)points - (zr_byte*)memory);
|
|
}
|
|
list->path_count += (unsigned int)count;
|
|
return points;
|
|
}
|
|
|
|
static struct zr_vec2
|
|
zr_draw_list_path_last(struct zr_draw_list *list)
|
|
{
|
|
void *memory;
|
|
struct zr_vec2 *point;
|
|
ZR_ASSERT(list->path_count);
|
|
memory = zr_buffer_memory(list->buffer);
|
|
point = zr_ptr_add(struct zr_vec2, memory, list->path_offset);
|
|
point += (list->path_count-1);
|
|
return *point;
|
|
}
|
|
|
|
static struct zr_draw_command*
|
|
zr_draw_list_push_command(struct zr_draw_list *list, struct zr_rect clip,
|
|
zr_handle texture)
|
|
{
|
|
static const zr_size cmd_align = ZR_ALIGNOF(struct zr_draw_command);
|
|
static const zr_size cmd_size = sizeof(struct zr_draw_command);
|
|
struct zr_draw_command *cmd;
|
|
|
|
ZR_ASSERT(list);
|
|
cmd = (struct zr_draw_command*)
|
|
zr_buffer_alloc(list->buffer, ZR_BUFFER_BACK, cmd_size, cmd_align);
|
|
if (!cmd) return 0;
|
|
if (!list->cmd_count) {
|
|
zr_byte *memory = (zr_byte*)zr_buffer_memory(list->buffer);
|
|
zr_size total = zr_buffer_total(list->buffer);
|
|
memory = zr_ptr_add(zr_byte, memory, total);
|
|
list->cmd_offset = (zr_size)(memory - (zr_byte*)cmd);
|
|
}
|
|
|
|
cmd->elem_count = 0;
|
|
cmd->clip_rect = clip;
|
|
cmd->texture = texture;
|
|
list->cmd_count++;
|
|
list->clip_rect = clip;
|
|
return cmd;
|
|
}
|
|
|
|
static struct zr_draw_command*
|
|
zr_draw_list_command_last(struct zr_draw_list *list)
|
|
{
|
|
void *memory;
|
|
zr_size size;
|
|
struct zr_draw_command *cmd;
|
|
ZR_ASSERT(list->cmd_count);
|
|
|
|
memory = zr_buffer_memory(list->buffer);
|
|
size = zr_buffer_total(list->buffer);
|
|
cmd = zr_ptr_add(struct zr_draw_command, memory, size - list->cmd_offset);
|
|
return (cmd - (list->cmd_count-1));
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_clip(struct zr_draw_list *list, struct zr_rect rect)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
if (!list->cmd_count) {
|
|
zr_draw_list_push_command(list, rect, list->null.texture);
|
|
} else {
|
|
struct zr_draw_command *prev = zr_draw_list_command_last(list);
|
|
zr_draw_list_push_command(list, rect, prev->texture);
|
|
}
|
|
}
|
|
|
|
static void
|
|
zr_draw_list_push_image(struct zr_draw_list *list, zr_handle texture)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
if (!list->cmd_count) {
|
|
zr_draw_list_push_command(list, zr_null_rect, list->null.texture);
|
|
} else {
|
|
struct zr_draw_command *prev = zr_draw_list_command_last(list);
|
|
if (prev->texture.id != texture.id)
|
|
zr_draw_list_push_command(list, prev->clip_rect, texture);
|
|
}
|
|
}
|
|
|
|
static struct zr_draw_vertex*
|
|
zr_draw_list_alloc_vertexes(struct zr_draw_list *list, zr_size count)
|
|
{
|
|
struct zr_draw_vertex *vtx;
|
|
static const zr_size vtx_align = ZR_ALIGNOF(struct zr_draw_vertex);
|
|
static const zr_size vtx_size = sizeof(struct zr_draw_vertex);
|
|
ZR_ASSERT(list);
|
|
if (!list) return 0;
|
|
|
|
vtx = (struct zr_draw_vertex*)
|
|
zr_buffer_alloc(list->vertexes, ZR_BUFFER_FRONT, vtx_size * count, vtx_align);
|
|
if (!vtx) return 0;
|
|
list->vertex_count += (unsigned int)count;
|
|
return vtx;
|
|
}
|
|
|
|
static zr_draw_index*
|
|
zr_draw_list_alloc_elements(struct zr_draw_list *list, zr_size count)
|
|
{
|
|
zr_draw_index *ids;
|
|
struct zr_draw_command *cmd;
|
|
static const zr_size elem_align = ZR_ALIGNOF(zr_draw_index);
|
|
static const zr_size elem_size = sizeof(zr_draw_index);
|
|
ZR_ASSERT(list);
|
|
if (!list) return 0;
|
|
|
|
ids = (zr_draw_index*)
|
|
zr_buffer_alloc(list->elements, ZR_BUFFER_FRONT, elem_size * count, elem_align);
|
|
if (!ids) return 0;
|
|
cmd = zr_draw_list_command_last(list);
|
|
list->element_count += (unsigned int)count;
|
|
cmd->elem_count += (unsigned int)count;
|
|
return ids;
|
|
}
|
|
|
|
static struct zr_draw_vertex
|
|
zr_draw_vertex(struct zr_vec2 pos, struct zr_vec2 uv, zr_draw_vertex_color col)
|
|
{
|
|
struct zr_draw_vertex out;
|
|
out.position = pos;
|
|
out.uv = uv;
|
|
out.col = col;
|
|
return out;
|
|
}
|
|
|
|
static void
|
|
zr_draw_list_add_poly_line(struct zr_draw_list *list, struct zr_vec2 *points,
|
|
const unsigned int points_count, struct zr_color color, int closed,
|
|
float thickness, enum zr_anti_aliasing aliasing)
|
|
{
|
|
zr_size count;
|
|
int thick_line;
|
|
zr_draw_vertex_color col = zr_color32(color);
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
if (!list || points_count < 2) return;
|
|
|
|
count = points_count;
|
|
if (!closed) count = points_count-1;
|
|
thick_line = thickness > 1.0f;
|
|
|
|
if (aliasing == ZR_ANTI_ALIASING_ON) {
|
|
/* ANTI-ALIASED STROKE */
|
|
const float AA_SIZE = 1.0f;
|
|
static const zr_size pnt_align = ZR_ALIGNOF(struct zr_vec2);
|
|
static const zr_size pnt_size = sizeof(struct zr_vec2);
|
|
const zr_draw_vertex_color col_trans = col & 0x00ffffff;
|
|
|
|
/* allocate vertexes and elements */
|
|
zr_size i1 = 0;
|
|
zr_size index = list->vertex_count;
|
|
const zr_size idx_count = (thick_line) ? (count * 18) : (count * 12);
|
|
const zr_size vtx_count = (thick_line) ? (points_count * 4): (points_count *3);
|
|
struct zr_draw_vertex *vtx = zr_draw_list_alloc_vertexes(list, vtx_count);
|
|
zr_draw_index *ids = zr_draw_list_alloc_elements(list, idx_count);
|
|
|
|
zr_size size;
|
|
struct zr_vec2 *normals, *temp;
|
|
if (!vtx || !ids) return;
|
|
|
|
/* temporary allocate normals + points */
|
|
zr_buffer_mark(list->vertexes, ZR_BUFFER_FRONT);
|
|
size = pnt_size * ((thick_line) ? 5 : 3) * points_count;
|
|
normals = (struct zr_vec2*)
|
|
zr_buffer_alloc(list->vertexes, ZR_BUFFER_FRONT, size, pnt_align);
|
|
if (!normals) return;
|
|
temp = normals + points_count;
|
|
|
|
/* calculate normals */
|
|
for (i1 = 0; i1 < count; ++i1) {
|
|
const zr_size i2 = ((i1 + 1) == points_count) ? 0 : (i1 + 1);
|
|
struct zr_vec2 diff = zr_vec2_sub(points[i2], points[i1]);
|
|
float len;
|
|
|
|
/* vec2 inverted lenth */
|
|
len = zr_vec2_len_sqr(diff);
|
|
if (len != 0.0f)
|
|
len = zr_inv_sqrt(len);
|
|
else len = 1.0f;
|
|
|
|
diff = zr_vec2_muls(diff, len);
|
|
normals[i1].x = diff.y;
|
|
normals[i1].y = -diff.x;
|
|
}
|
|
|
|
if (!closed)
|
|
normals[points_count-1] = normals[points_count-2];
|
|
|
|
if (!thick_line) {
|
|
zr_size idx1, i;
|
|
if (!closed) {
|
|
struct zr_vec2 d;
|
|
temp[0] = zr_vec2_add(points[0], zr_vec2_muls(normals[0], AA_SIZE));
|
|
temp[1] = zr_vec2_sub(points[0], zr_vec2_muls(normals[0], AA_SIZE));
|
|
d = zr_vec2_muls(normals[points_count-1], AA_SIZE);
|
|
temp[(points_count-1) * 2 + 0] = zr_vec2_add(points[points_count-1], d);
|
|
temp[(points_count-1) * 2 + 1] = zr_vec2_sub(points[points_count-1], d);
|
|
}
|
|
|
|
/* fill elements */
|
|
idx1 = index;
|
|
for (i1 = 0; i1 < count; i1++) {
|
|
struct zr_vec2 dm;
|
|
float dmr2;
|
|
zr_size i2 = ((i1 + 1) == points_count) ? 0 : (i1 + 1);
|
|
zr_size idx2 = ((i1+1) == points_count) ? index: (idx1 + 3);
|
|
|
|
/* average normals */
|
|
dm = zr_vec2_muls(zr_vec2_add(normals[i1], normals[i2]), 0.5f);
|
|
dmr2 = dm.x * dm.x + dm.y* dm.y;
|
|
if (dmr2 > 0.000001f) {
|
|
float scale = 1.0f/dmr2;
|
|
scale = MIN(100.0f, scale);
|
|
dm = zr_vec2_muls(dm, scale);
|
|
}
|
|
|
|
dm = zr_vec2_muls(dm, AA_SIZE);
|
|
temp[i2*2+0] = zr_vec2_add(points[i2], dm);
|
|
temp[i2*2+1] = zr_vec2_sub(points[i2], dm);
|
|
|
|
ids[0] = (zr_draw_index)(idx2 + 0); ids[1] = (zr_draw_index)(idx1+0);
|
|
ids[2] = (zr_draw_index)(idx1 + 2); ids[3] = (zr_draw_index)(idx1+2);
|
|
ids[4] = (zr_draw_index)(idx2 + 2); ids[5] = (zr_draw_index)(idx2+0);
|
|
ids[6] = (zr_draw_index)(idx2 + 1); ids[7] = (zr_draw_index)(idx1+1);
|
|
ids[8] = (zr_draw_index)(idx1 + 0); ids[9] = (zr_draw_index)(idx1+0);
|
|
ids[10]= (zr_draw_index)(idx2 + 0); ids[11]= (zr_draw_index)(idx2+1);
|
|
ids += 12;
|
|
idx1 = idx2;
|
|
}
|
|
|
|
/* fill vertexes */
|
|
for (i = 0; i < points_count; ++i) {
|
|
const struct zr_vec2 uv = list->null.uv;
|
|
vtx[0] = zr_draw_vertex(points[i], uv, col);
|
|
vtx[1] = zr_draw_vertex(temp[i*2+0], uv, col_trans);
|
|
vtx[2] = zr_draw_vertex(temp[i*2+1], uv, col_trans);
|
|
vtx += 3;
|
|
}
|
|
} else {
|
|
zr_size idx1, i;
|
|
const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
|
|
if (!closed) {
|
|
struct zr_vec2 d1 = zr_vec2_muls(normals[0], half_inner_thickness + AA_SIZE);
|
|
struct zr_vec2 d2 = zr_vec2_muls(normals[0], half_inner_thickness);
|
|
|
|
temp[0] = zr_vec2_add(points[0], d1);
|
|
temp[1] = zr_vec2_add(points[0], d2);
|
|
temp[2] = zr_vec2_sub(points[0], d2);
|
|
temp[3] = zr_vec2_sub(points[0], d1);
|
|
|
|
d1 = zr_vec2_muls(normals[points_count-1], half_inner_thickness + AA_SIZE);
|
|
d2 = zr_vec2_muls(normals[points_count-1], half_inner_thickness);
|
|
|
|
temp[(points_count-1)*4+0] = zr_vec2_add(points[points_count-1], d1);
|
|
temp[(points_count-1)*4+1] = zr_vec2_add(points[points_count-1], d2);
|
|
temp[(points_count-1)*4+2] = zr_vec2_sub(points[points_count-1], d2);
|
|
temp[(points_count-1)*4+3] = zr_vec2_sub(points[points_count-1], d1);
|
|
}
|
|
|
|
/* add all elements */
|
|
idx1 = index;
|
|
for (i1 = 0; i1 < count; ++i1) {
|
|
struct zr_vec2 dm_out, dm_in;
|
|
const zr_size i2 = ((i1+1) == points_count) ? 0: (i1 + 1);
|
|
zr_size idx2 = ((i1+1) == points_count) ? index: (idx1 + 4);
|
|
|
|
/* average normals */
|
|
struct zr_vec2 dm = zr_vec2_muls(zr_vec2_add(normals[i1], normals[i2]), 0.5f);
|
|
float dmr2 = dm.x * dm.x + dm.y* dm.y;
|
|
if (dmr2 > 0.000001f) {
|
|
float scale = 1.0f/dmr2;
|
|
scale = MIN(100.0f, scale);
|
|
dm = zr_vec2_muls(dm, scale);
|
|
}
|
|
|
|
dm_out = zr_vec2_muls(dm, ((half_inner_thickness) + AA_SIZE));
|
|
dm_in = zr_vec2_muls(dm, half_inner_thickness);
|
|
temp[i2*4+0] = zr_vec2_add(points[i2], dm_out);
|
|
temp[i2*4+1] = zr_vec2_add(points[i2], dm_in);
|
|
temp[i2*4+2] = zr_vec2_sub(points[i2], dm_in);
|
|
temp[i2*4+3] = zr_vec2_sub(points[i2], dm_out);
|
|
|
|
/* add indexes */
|
|
ids[0] = (zr_draw_index)(idx2 + 1); ids[1] = (zr_draw_index)(idx1+1);
|
|
ids[2] = (zr_draw_index)(idx1 + 2); ids[3] = (zr_draw_index)(idx1+2);
|
|
ids[4] = (zr_draw_index)(idx2 + 2); ids[5] = (zr_draw_index)(idx2+1);
|
|
ids[6] = (zr_draw_index)(idx2 + 1); ids[7] = (zr_draw_index)(idx1+1);
|
|
ids[8] = (zr_draw_index)(idx1 + 0); ids[9] = (zr_draw_index)(idx1+0);
|
|
ids[10]= (zr_draw_index)(idx2 + 0); ids[11] = (zr_draw_index)(idx2+1);
|
|
ids[12]= (zr_draw_index)(idx2 + 2); ids[13] = (zr_draw_index)(idx1+2);
|
|
ids[14]= (zr_draw_index)(idx1 + 3); ids[15] = (zr_draw_index)(idx1+3);
|
|
ids[16]= (zr_draw_index)(idx2 + 3); ids[17] = (zr_draw_index)(idx2+2);
|
|
ids += 18;
|
|
idx1 = idx2;
|
|
}
|
|
|
|
/* add vertexes */
|
|
for (i = 0; i < points_count; ++i) {
|
|
const struct zr_vec2 uv = list->null.uv;
|
|
vtx[0] = zr_draw_vertex(temp[i*4+0], uv, col_trans);
|
|
vtx[1] = zr_draw_vertex(temp[i*4+1], uv, col);
|
|
vtx[2] = zr_draw_vertex(temp[i*4+2], uv, col);
|
|
vtx[3] = zr_draw_vertex(temp[i*4+3], uv, col_trans);
|
|
vtx += 4;
|
|
}
|
|
}
|
|
|
|
/* free temporary normals + points */
|
|
zr_buffer_reset(list->vertexes, ZR_BUFFER_FRONT);
|
|
} else {
|
|
/* NON ANTI-ALIASED STROKE */
|
|
zr_size i1 = 0;
|
|
zr_size idx = list->vertex_count;
|
|
const zr_size idx_count = count * 6;
|
|
const zr_size vtx_count = count * 4;
|
|
struct zr_draw_vertex *vtx = zr_draw_list_alloc_vertexes(list, vtx_count);
|
|
zr_draw_index *ids = zr_draw_list_alloc_elements(list, idx_count);
|
|
if (!vtx || !ids) return;
|
|
|
|
for (i1 = 0; i1 < count; ++i1) {
|
|
float dx, dy;
|
|
const struct zr_vec2 uv = list->null.uv;
|
|
const zr_size i2 = ((i1+1) == points_count) ? 0 : i1 + 1;
|
|
const struct zr_vec2 p1 = points[i1];
|
|
const struct zr_vec2 p2 = points[i2];
|
|
struct zr_vec2 diff = zr_vec2_sub(p2, p1);
|
|
float len;
|
|
|
|
/* vec2 inverted lenth */
|
|
len = zr_vec2_len_sqr(diff);
|
|
if (len != 0.0f)
|
|
len = zr_inv_sqrt(len);
|
|
else len = 1.0f;
|
|
diff = zr_vec2_muls(diff, len);
|
|
|
|
/* add vertexes */
|
|
dx = diff.x * (thickness * 0.5f);
|
|
dy = diff.y * (thickness * 0.5f);
|
|
|
|
vtx[0] = zr_draw_vertex(zr_vec2(p1.x + dy, p1.y - dx), uv, col);
|
|
vtx[1] = zr_draw_vertex(zr_vec2(p2.x + dy, p2.y - dx), uv, col);
|
|
vtx[2] = zr_draw_vertex(zr_vec2(p2.x - dy, p2.y + dx), uv, col);
|
|
vtx[3] = zr_draw_vertex(zr_vec2(p1.x - dy, p1.y + dx), uv, col);
|
|
vtx += 4;
|
|
|
|
ids[0] = (zr_draw_index)(idx+0); ids[1] = (zr_draw_index)(idx+1);
|
|
ids[2] = (zr_draw_index)(idx+2); ids[3] = (zr_draw_index)(idx+0);
|
|
ids[4] = (zr_draw_index)(idx+2); ids[5] = (zr_draw_index)(idx+3);
|
|
ids += 6;
|
|
idx += 4;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
zr_draw_list_add_poly_convex(struct zr_draw_list *list, struct zr_vec2 *points,
|
|
const unsigned int points_count, struct zr_color color, enum zr_anti_aliasing aliasing)
|
|
{
|
|
static const zr_size pnt_align = ZR_ALIGNOF(struct zr_vec2);
|
|
static const zr_size pnt_size = sizeof(struct zr_vec2);
|
|
zr_draw_vertex_color col = zr_color32(color);
|
|
ZR_ASSERT(list);
|
|
if (!list || points_count < 3) return;
|
|
|
|
if (aliasing == ZR_ANTI_ALIASING_ON) {
|
|
zr_size i = 0;
|
|
zr_size i0 = 0, i1 = 0;
|
|
|
|
const float AA_SIZE = 1.0f;
|
|
const zr_draw_vertex_color col_trans = col & 0x00ffffff;
|
|
zr_size index = list->vertex_count;
|
|
const zr_size idx_count = (points_count-2)*3 + points_count*6;
|
|
const zr_size vtx_count = (points_count*2);
|
|
struct zr_draw_vertex *vtx = zr_draw_list_alloc_vertexes(list, vtx_count);
|
|
zr_draw_index *ids = zr_draw_list_alloc_elements(list, idx_count);
|
|
|
|
unsigned int vtx_inner_idx = (unsigned int)(index + 0);
|
|
unsigned int vtx_outer_idx = (unsigned int)(index + 1);
|
|
struct zr_vec2 *normals = 0;
|
|
zr_size size = 0;
|
|
if (!vtx || !ids) return;
|
|
|
|
/* temporary allocate normals */
|
|
zr_buffer_mark(list->vertexes, ZR_BUFFER_FRONT);
|
|
size = pnt_size * points_count;
|
|
normals = (struct zr_vec2*)
|
|
zr_buffer_alloc(list->vertexes, ZR_BUFFER_FRONT, size, pnt_align);
|
|
if (!normals) return;
|
|
|
|
/* add elements */
|
|
for (i = 2; i < points_count; i++) {
|
|
ids[0] = (zr_draw_index)(vtx_inner_idx);
|
|
ids[1] = (zr_draw_index)(vtx_inner_idx + ((i-1) << 1));
|
|
ids[2] = (zr_draw_index)(vtx_inner_idx + (i << 1));
|
|
ids += 3;
|
|
}
|
|
|
|
/* compute normals */
|
|
for (i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) {
|
|
struct zr_vec2 p0 = points[i0];
|
|
struct zr_vec2 p1 = points[i1];
|
|
struct zr_vec2 diff = zr_vec2_sub(p1, p0);
|
|
|
|
/* vec2 inverted lenth */
|
|
float len = zr_vec2_len_sqr(diff);
|
|
if (len != 0.0f)
|
|
len = zr_inv_sqrt(len);
|
|
else len = 1.0f;
|
|
diff = zr_vec2_muls(diff, len);
|
|
|
|
normals[i0].x = diff.y;
|
|
normals[i0].y = -diff.x;
|
|
}
|
|
|
|
/* add vertexes + indexes */
|
|
for (i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) {
|
|
const struct zr_vec2 uv = list->null.uv;
|
|
struct zr_vec2 n0 = normals[i0];
|
|
struct zr_vec2 n1 = normals[i1];
|
|
struct zr_vec2 dm = zr_vec2_muls(zr_vec2_add(n0, n1), 0.5f);
|
|
|
|
float dmr2 = dm.x*dm.x + dm.y*dm.y;
|
|
if (dmr2 > 0.000001f) {
|
|
float scale = 1.0f / dmr2;
|
|
scale = MIN(scale, 100.0f);
|
|
dm = zr_vec2_muls(dm, scale);
|
|
}
|
|
dm = zr_vec2_muls(dm, AA_SIZE * 0.5f);
|
|
|
|
/* add vertexes */
|
|
vtx[0] = zr_draw_vertex(zr_vec2_sub(points[i1], dm), uv, col);
|
|
vtx[1] = zr_draw_vertex(zr_vec2_add(points[i1], dm), uv, col_trans);
|
|
vtx += 2;
|
|
|
|
/* add indexes */
|
|
ids[0] = (zr_draw_index)(vtx_inner_idx+(i1<<1));
|
|
ids[1] = (zr_draw_index)(vtx_inner_idx+(i0<<1));
|
|
ids[2] = (zr_draw_index)(vtx_outer_idx+(i0<<1));
|
|
ids[3] = (zr_draw_index)(vtx_outer_idx+(i0<<1));
|
|
ids[4] = (zr_draw_index)(vtx_outer_idx+(i1<<1));
|
|
ids[5] = (zr_draw_index)(vtx_inner_idx+(i1<<1));
|
|
ids += 6;
|
|
}
|
|
/* free temporary normals + points */
|
|
zr_buffer_reset(list->vertexes, ZR_BUFFER_FRONT);
|
|
} else {
|
|
zr_size i = 0;
|
|
zr_size index = list->vertex_count;
|
|
const zr_size idx_count = (points_count-2)*3;
|
|
const zr_size vtx_count = points_count;
|
|
struct zr_draw_vertex *vtx = zr_draw_list_alloc_vertexes(list, vtx_count);
|
|
zr_draw_index *ids = zr_draw_list_alloc_elements(list, idx_count);
|
|
if (!vtx || !ids) return;
|
|
for (i = 0; i < vtx_count; ++i) {
|
|
vtx[0] = zr_draw_vertex(points[i], list->null.uv, col);
|
|
vtx++;
|
|
}
|
|
for (i = 2; i < points_count; ++i) {
|
|
ids[0] = (zr_draw_index)index;
|
|
ids[1] = (zr_draw_index)(index+ i - 1);
|
|
ids[2] = (zr_draw_index)(index+i);
|
|
ids += 3;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_line(struct zr_draw_list *list, struct zr_vec2 a,
|
|
struct zr_vec2 b, struct zr_color col, float thickness)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list || !col.a) return;
|
|
zr_draw_list_path_line_to(list, zr_vec2_add(a, zr_vec2(0.5f, 0.5f)));
|
|
zr_draw_list_path_line_to(list, zr_vec2_add(b, zr_vec2(0.5f, 0.5f)));
|
|
zr_draw_list_path_stroke(list, col, ZR_STROKE_OPEN, thickness);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_rect(struct zr_draw_list *list, struct zr_rect rect,
|
|
struct zr_color col, float rounding, float line_thickness)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list || !col.a) return;
|
|
zr_draw_list_path_rect_to(list, zr_vec2(rect.x + 0.5f, rect.y + 0.5f),
|
|
zr_vec2(rect.x + rect.w + 0.5f, rect.y + rect.h + 0.5f), rounding);
|
|
zr_draw_list_path_stroke(list, col, ZR_STROKE_CLOSED, line_thickness);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_rect_filled(struct zr_draw_list *list, struct zr_rect rect,
|
|
struct zr_color col, float rounding)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list || !col.a) return;
|
|
zr_draw_list_path_rect_to(list, zr_vec2(rect.x + 0.5f, rect.y + 0.5f),
|
|
zr_vec2(rect.x + rect.w + 0.5f, rect.y + rect.h + 0.5f), rounding);
|
|
zr_draw_list_path_fill(list, col);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_triangle(struct zr_draw_list *list, struct zr_vec2 a, struct zr_vec2 b,
|
|
struct zr_vec2 c, struct zr_color col, float line_thickness)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
if (!col.a) return;
|
|
zr_draw_list_path_line_to(list, a);
|
|
zr_draw_list_path_line_to(list, b);
|
|
zr_draw_list_path_line_to(list, c);
|
|
zr_draw_list_path_stroke(list, col, ZR_STROKE_CLOSED, line_thickness);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_triangle_filled(struct zr_draw_list *list, struct zr_vec2 a,
|
|
struct zr_vec2 b, struct zr_vec2 c, struct zr_color col)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list || !col.a) return;
|
|
zr_draw_list_path_line_to(list, a);
|
|
zr_draw_list_path_line_to(list, b);
|
|
zr_draw_list_path_line_to(list, c);
|
|
zr_draw_list_path_fill(list, col);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_circle(struct zr_draw_list *list, struct zr_vec2 center,
|
|
float radius, struct zr_color col, unsigned int segs, float line_thickness)
|
|
{
|
|
float a_max;
|
|
ZR_ASSERT(list);
|
|
if (!list || !col.a) return;
|
|
a_max = ZR_PI * 2.0f * ((float)segs - 1.0f) / (float)segs;
|
|
zr_draw_list_path_arc_to(list, center, radius, 0.0f, a_max, segs);
|
|
zr_draw_list_path_stroke(list, col, ZR_STROKE_CLOSED, line_thickness);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_circle_filled(struct zr_draw_list *list, struct zr_vec2 center,
|
|
float radius, struct zr_color col, unsigned int segs)
|
|
{
|
|
float a_max;
|
|
ZR_ASSERT(list);
|
|
if (!list || !col.a) return;
|
|
a_max = ZR_PI * 2.0f * ((float)segs - 1.0f) / (float)segs;
|
|
zr_draw_list_path_arc_to(list, center, radius, 0.0f, a_max, segs);
|
|
zr_draw_list_path_fill(list, col);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_curve(struct zr_draw_list *list, struct zr_vec2 p0,
|
|
struct zr_vec2 cp0, struct zr_vec2 cp1, struct zr_vec2 p1,
|
|
struct zr_color col, unsigned int segments, float thickness)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list || !col.a) return;
|
|
zr_draw_list_path_line_to(list, p0);
|
|
zr_draw_list_path_curve_to(list, cp0, cp1, p1, segments);
|
|
zr_draw_list_path_stroke(list, col, ZR_STROKE_OPEN, thickness);
|
|
}
|
|
|
|
static void
|
|
zr_draw_list_push_rect_uv(struct zr_draw_list *list, struct zr_vec2 a,
|
|
struct zr_vec2 c, struct zr_vec2 uva, struct zr_vec2 uvc, struct zr_color color)
|
|
{
|
|
zr_draw_vertex_color col = zr_color32(color);
|
|
struct zr_draw_vertex *vtx;
|
|
struct zr_vec2 uvb, uvd;
|
|
struct zr_vec2 b,d;
|
|
zr_draw_index *idx;
|
|
zr_draw_index index;
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
|
|
uvb = zr_vec2(uvc.x, uva.y);
|
|
uvd = zr_vec2(uva.x, uvc.y);
|
|
b = zr_vec2(c.x, a.y);
|
|
d = zr_vec2(a.x, c.y);
|
|
|
|
index = (zr_draw_index)list->vertex_count;
|
|
vtx = zr_draw_list_alloc_vertexes(list, 4);
|
|
idx = zr_draw_list_alloc_elements(list, 6);
|
|
if (!vtx || !idx) return;
|
|
|
|
idx[0] = (zr_draw_index)(index+0); idx[1] = (zr_draw_index)(index+1);
|
|
idx[2] = (zr_draw_index)(index+2); idx[3] = (zr_draw_index)(index+0);
|
|
idx[4] = (zr_draw_index)(index+2); idx[5] = (zr_draw_index)(index+3);
|
|
|
|
vtx[0] = zr_draw_vertex(a, uva, col);
|
|
vtx[1] = zr_draw_vertex(b, uvb, col);
|
|
vtx[2] = zr_draw_vertex(c, uvc, col);
|
|
vtx[3] = zr_draw_vertex(d, uvd, col);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_image(struct zr_draw_list *list, struct zr_image texture,
|
|
struct zr_rect rect, struct zr_color color)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
/* push new command with given texture */
|
|
zr_draw_list_push_image(list, texture.handle);
|
|
if (zr_image_is_subimage(&texture)) {
|
|
/* add region inside of the texture */
|
|
struct zr_vec2 uv[2];
|
|
uv[0].x = (float)texture.region[0]/(float)texture.w;
|
|
uv[0].y = (float)texture.region[1]/(float)texture.h;
|
|
uv[1].x = (float)(texture.region[0] + texture.region[2])/(float)texture.w;
|
|
uv[1].y = (float)(texture.region[1] + texture.region[3])/(float)texture.h;
|
|
zr_draw_list_push_rect_uv(list, zr_vec2(rect.x, rect.y),
|
|
zr_vec2(rect.x + rect.w, rect.y + rect.h), uv[0], uv[1], color);
|
|
} else zr_draw_list_push_rect_uv(list, zr_vec2(rect.x, rect.y),
|
|
zr_vec2(rect.x + rect.w, rect.y + rect.h),
|
|
zr_vec2(0.0f, 0.0f), zr_vec2(1.0f, 1.0f),color);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_add_text(struct zr_draw_list *list, const struct zr_user_font *font,
|
|
struct zr_rect rect, const char *text, zr_size len, float font_height,
|
|
struct zr_color bg, struct zr_color fg)
|
|
{
|
|
float x, scale;
|
|
zr_size text_len;
|
|
zr_rune unicode, next;
|
|
zr_size glyph_len, next_glyph_len;
|
|
struct zr_user_font_glyph g;
|
|
scale = font_height / font->height;
|
|
|
|
ZR_ASSERT(list);
|
|
if (!list || !len || !text) return;
|
|
if (rect.x > (list->clip_rect.x + list->clip_rect.w) ||
|
|
rect.y > (list->clip_rect.y + list->clip_rect.h) ||
|
|
rect.x < list->clip_rect.x || rect.y < list->clip_rect.y)
|
|
return;
|
|
|
|
/* draw text background */
|
|
zr_draw_list_add_rect_filled(list, rect, bg, 0.0f);
|
|
zr_draw_list_push_image(list, font->texture);
|
|
|
|
/* draw every glyph image */
|
|
x = rect.x;
|
|
glyph_len = text_len = zr_utf_decode(text, &unicode, len);
|
|
if (!glyph_len) return;
|
|
while (text_len <= len && glyph_len) {
|
|
float gx, gy, gh, gw;
|
|
float char_width = 0;
|
|
if (unicode == ZR_UTF_INVALID) break;
|
|
|
|
/* query currently drawn glyph information */
|
|
next_glyph_len = zr_utf_decode(text + text_len, &next, len - text_len);
|
|
font->query(font->userdata, font->height, &g, unicode, (next == ZR_UTF_INVALID) ? '\0' : next);
|
|
|
|
/* calculate and draw glyph drawing rectangle and image */
|
|
gx = x + g.offset.x * scale;
|
|
gy = rect.y + (rect.h/2) - (font->height/2) + g.offset.y * scale;
|
|
gw = g.width * scale; gh = g.height * scale;
|
|
char_width = g.xadvance * scale;
|
|
zr_draw_list_push_rect_uv(list, zr_vec2(gx,gy), zr_vec2(gx + gw, gy+ gh),
|
|
g.uv[0], g.uv[1], fg);
|
|
|
|
/* offset next glyph */
|
|
text_len += glyph_len;
|
|
x += char_width;
|
|
glyph_len = next_glyph_len;
|
|
unicode = next;
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_draw_list_path_clear(struct zr_draw_list *list)
|
|
{
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
zr_buffer_reset(list->buffer, ZR_BUFFER_FRONT);
|
|
list->path_count = 0;
|
|
list->path_offset = 0;
|
|
}
|
|
|
|
void
|
|
zr_draw_list_path_line_to(struct zr_draw_list *list, struct zr_vec2 pos)
|
|
{
|
|
struct zr_vec2 *points;
|
|
struct zr_draw_command *cmd;
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
if (!list->cmd_count)
|
|
zr_draw_list_add_clip(list, zr_null_rect);
|
|
|
|
cmd = zr_draw_list_command_last(list);
|
|
if (cmd->texture.ptr != list->null.texture.ptr)
|
|
zr_draw_list_push_image(list, list->null.texture);
|
|
|
|
points = zr_draw_list_alloc_path(list, 1);
|
|
if (!points) return;
|
|
points[0] = pos;
|
|
}
|
|
|
|
static void
|
|
zr_draw_list_path_arc_to_fast(struct zr_draw_list *list, struct zr_vec2 center,
|
|
float radius, int a_min, int a_max)
|
|
{
|
|
static struct zr_vec2 circle_vtx[12];
|
|
static int circle_vtx_builds = zr_false;
|
|
static const int circle_vtx_count = ZR_LEN(circle_vtx);
|
|
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
if (!circle_vtx_builds) {
|
|
int i = 0;
|
|
for (i = 0; i < circle_vtx_count; ++i) {
|
|
const float a = ((float)i / (float)circle_vtx_count) * 2 * ZR_PI;
|
|
circle_vtx[i].x = list->cos(a);
|
|
circle_vtx[i].y = list->sin(a);
|
|
}
|
|
circle_vtx_builds = zr_true;
|
|
}
|
|
|
|
if (a_min <= a_max) {
|
|
int a = 0;
|
|
for (a = a_min; a <= a_max; a++) {
|
|
const struct zr_vec2 c = circle_vtx[a % circle_vtx_count];
|
|
const float x = center.x + c.x * radius;
|
|
const float y = center.y + c.y * radius;
|
|
zr_draw_list_path_line_to(list, zr_vec2(x, y));
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_draw_list_path_arc_to(struct zr_draw_list *list, struct zr_vec2 center,
|
|
float radius, float a_min, float a_max, unsigned int segments)
|
|
{
|
|
unsigned int i = 0;
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
if (radius == 0.0f) return;
|
|
for (i = 0; i <= segments; ++i) {
|
|
const float a = a_min + ((float)i / (float)segments) * (a_max - a_min);
|
|
const float x = center.x + list->cos(a) * radius;
|
|
const float y = center.y + list->sin(a) * radius;
|
|
zr_draw_list_path_line_to(list, zr_vec2(x, y));
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_draw_list_path_rect_to(struct zr_draw_list *list, struct zr_vec2 a,
|
|
struct zr_vec2 b, float rounding)
|
|
{
|
|
float r;
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
r = rounding;
|
|
r = MIN(r, ((b.x-a.x) < 0) ? -(b.x-a.x): (b.x-a.x));
|
|
r = MIN(r, ((b.y-a.y) < 0) ? -(b.y-a.y): (b.y-a.y));
|
|
|
|
if (r == 0.0f) {
|
|
zr_draw_list_path_line_to(list, a);
|
|
zr_draw_list_path_line_to(list, zr_vec2(b.x,a.y));
|
|
zr_draw_list_path_line_to(list, b);
|
|
zr_draw_list_path_line_to(list, zr_vec2(a.x,b.y));
|
|
} else {
|
|
zr_draw_list_path_arc_to_fast(list, zr_vec2(a.x + r, a.y + r), r, 6, 9);
|
|
zr_draw_list_path_arc_to_fast(list, zr_vec2(b.x - r, a.y + r), r, 9, 12);
|
|
zr_draw_list_path_arc_to_fast(list, zr_vec2(b.x - r, b.y - r), r, 0, 3);
|
|
zr_draw_list_path_arc_to_fast(list, zr_vec2(a.x + r, b.y - r), r, 3, 6);
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_draw_list_path_curve_to(struct zr_draw_list *list, struct zr_vec2 p2,
|
|
struct zr_vec2 p3, struct zr_vec2 p4, unsigned int num_segments)
|
|
{
|
|
unsigned int i_step;
|
|
float t_step;
|
|
struct zr_vec2 p1;
|
|
|
|
ZR_ASSERT(list);
|
|
ZR_ASSERT(list->path_count);
|
|
if (!list || !list->path_count) return;
|
|
num_segments = MAX(num_segments, 1);
|
|
|
|
p1 = zr_draw_list_path_last(list);
|
|
t_step = 1.0f/(float)num_segments;
|
|
for (i_step = 1; i_step <= num_segments; ++i_step) {
|
|
float t = t_step * (float)i_step;
|
|
float u = 1.0f - t;
|
|
float w1 = u*u*u;
|
|
float w2 = 3*u*u*t;
|
|
float w3 = 3*u*t*t;
|
|
float w4 = t * t *t;
|
|
float x = w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x;
|
|
float y = w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y;
|
|
zr_draw_list_path_line_to(list, zr_vec2(x,y));
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_draw_list_path_fill(struct zr_draw_list *list, struct zr_color color)
|
|
{
|
|
struct zr_vec2 *points;
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
points = (struct zr_vec2*)zr_buffer_memory(list->buffer);
|
|
zr_draw_list_add_poly_convex(list, points, list->path_count, color, list->AA);
|
|
zr_draw_list_path_clear(list);
|
|
}
|
|
|
|
void
|
|
zr_draw_list_path_stroke(struct zr_draw_list *list, struct zr_color color,
|
|
int closed, float thickness)
|
|
{
|
|
struct zr_vec2 *points;
|
|
ZR_ASSERT(list);
|
|
if (!list) return;
|
|
points = (struct zr_vec2*)zr_buffer_memory(list->buffer);
|
|
zr_draw_list_add_poly_line(list, points, list->path_count, color,
|
|
closed, thickness, list->AA);
|
|
zr_draw_list_path_clear(list);
|
|
}
|
|
#endif
|
|
/*
|
|
* ==============================================================
|
|
*
|
|
* Font
|
|
*
|
|
* ===============================================================
|
|
*/
|
|
#ifdef ZR_COMPILE_WITH_FONT
|
|
|
|
/* this is a bloody mess but 'fixing' both stb libraries would be a pain */
|
|
#ifdef __clang__
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wsign-conversion"
|
|
#pragma clang diagnostic ignored "-Wfloat-equal"
|
|
#pragma clang diagnostic ignored "-Wbad-function-cast"
|
|
#pragma clang diagnostic ignored "-Wcast-qual"
|
|
#pragma clang diagnostic ignored "-Wshadow"
|
|
#pragma clang diagnostic ignored "-Wmissing-field-initializers"
|
|
#pragma clang diagnostic ignored "-Wdeclaration-after-statement"
|
|
#pragma clang diagnostic ignored "-Wunused-function"
|
|
#elif defined(__GNUC__) || defined(__GNUG__)
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wfloat-equal"
|
|
#pragma GCC diagnostic ignored "-Wsign-conversion"
|
|
#pragma GCC diagnostic ignored "-Wconversion"
|
|
#pragma GCC diagnostic ignored "-Wbad-function-cast"
|
|
#pragma GCC diagnostic ignored "-Wcast-qual"
|
|
#pragma GCC diagnostic ignored "-Wshadow"
|
|
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
|
|
#pragma GCC diagnostic ignored "-Wdeclaration-after-statement"
|
|
#pragma GCC diagnostic ignored "-Wtype-limits"
|
|
#pragma GCC diagnostic ignored "-Wswitch-default"
|
|
#pragma GCC diagnostic ignored "-Wunused-function"
|
|
#elif _MSC_VER
|
|
#pragma warning (push)
|
|
#pragma warning (disable: 4456)
|
|
#endif
|
|
|
|
#ifndef ZR_DISABLE_STB_RECT_PACK_IMPLEMENTATION
|
|
#define STBRP_STATIC
|
|
#define STB_RECT_PACK_IMPLEMENTATION
|
|
#endif
|
|
#include "stb_rect_pack.h"
|
|
|
|
#ifndef ZR_DISABLE_STB_TRUETYPE_IMPLEMENTATION
|
|
#define STBTT_STATIC
|
|
#define STB_TRUETYPE_IMPLEMENTATION
|
|
#endif
|
|
#include "stb_truetype.h"
|
|
|
|
#ifdef __clang__
|
|
#pragma clang diagnostic pop
|
|
#elif defined(__GNUC__) || defined(__GNUG__)
|
|
#pragma GCC diagnostic pop
|
|
#elif _MSC_VER
|
|
#pragma warning (pop)
|
|
#endif
|
|
|
|
struct zr_font_bake_data {
|
|
stbtt_fontinfo info;
|
|
stbrp_rect *rects;
|
|
stbtt_pack_range *ranges;
|
|
zr_rune range_count;
|
|
};
|
|
|
|
struct zr_font_baker {
|
|
stbtt_pack_context spc;
|
|
struct zr_font_bake_data *build;
|
|
stbtt_packedchar *packed_chars;
|
|
stbrp_rect *rects;
|
|
stbtt_pack_range *ranges;
|
|
};
|
|
|
|
static const zr_size zr_rect_align = ZR_ALIGNOF(stbrp_rect);
|
|
static const zr_size zr_range_align = ZR_ALIGNOF(stbtt_pack_range);
|
|
static const zr_size char_align = ZR_ALIGNOF(stbtt_packedchar);
|
|
static const zr_size zr_build_align = ZR_ALIGNOF(struct zr_font_bake_data);
|
|
static const zr_size zr_baker_align = ZR_ALIGNOF(struct zr_font_baker);
|
|
|
|
static int
|
|
zr_range_count(const zr_rune *range)
|
|
{
|
|
const zr_rune *iter = range;
|
|
ZR_ASSERT(range);
|
|
if (!range) return 0;
|
|
while (*(iter++) != 0);
|
|
return (iter == range) ? 0 : (int)((iter - range)/2);
|
|
}
|
|
|
|
static int
|
|
zr_range_glyph_count(const zr_rune *range, int count)
|
|
{
|
|
int i = 0;
|
|
int total_glyphes = 0;
|
|
for (i = 0; i < count; ++i) {
|
|
int diff;
|
|
zr_rune f = range[(i*2)+0];
|
|
zr_rune t = range[(i*2)+1];
|
|
ZR_ASSERT(t >= f);
|
|
diff = (int)((t - f) + 1);
|
|
total_glyphes += diff;
|
|
}
|
|
return total_glyphes;
|
|
}
|
|
|
|
const zr_rune*
|
|
zr_font_default_glyph_ranges(void)
|
|
{
|
|
static const zr_rune ranges[] = {0x0020, 0x00FF, 0};
|
|
return ranges;
|
|
}
|
|
|
|
const zr_rune*
|
|
zr_font_chinese_glyph_ranges(void)
|
|
{
|
|
static const zr_rune ranges[] = {
|
|
0x0020, 0x00FF,
|
|
0x3000, 0x30FF,
|
|
0x31F0, 0x31FF,
|
|
0xFF00, 0xFFEF,
|
|
0x4e00, 0x9FAF,
|
|
0
|
|
};
|
|
return ranges;
|
|
}
|
|
|
|
const zr_rune*
|
|
zr_font_cyrillic_glyph_ranges(void)
|
|
{
|
|
static const zr_rune ranges[] = {
|
|
0x0020, 0x00FF,
|
|
0x0400, 0x052F,
|
|
0x2DE0, 0x2DFF,
|
|
0xA640, 0xA69F,
|
|
0
|
|
};
|
|
return ranges;
|
|
}
|
|
|
|
const zr_rune*
|
|
zr_font_korean_glyph_ranges(void)
|
|
{
|
|
static const zr_rune ranges[] = {
|
|
0x0020, 0x00FF,
|
|
0x3131, 0x3163,
|
|
0xAC00, 0xD79D,
|
|
0
|
|
};
|
|
return ranges;
|
|
}
|
|
|
|
const zr_rune*
|
|
zr_font_japanese_glyph_range(void)
|
|
{
|
|
static const short offsets_from_0x4E00[] = {
|
|
-1,0,1,3,0,0,0,0,1,0,5,1,1,0,7,4,6,10,0,1,9,9,7,1,3,19,1,10,7,1,0,1,0,5,1,0,6,4,2,6,0,0,12,6,8,0,3,5,0,1,0,9,0,0,8,1,1,3,4,5,13,0,0,8,2,17,
|
|
4,3,1,1,9,6,0,0,0,2,1,3,2,22,1,9,11,1,13,1,3,12,0,5,9,2,0,6,12,5,3,12,4,1,2,16,1,1,4,6,5,3,0,6,13,15,5,12,8,14,0,0,6,15,3,6,0,18,8,1,6,14,1,
|
|
5,4,12,24,3,13,12,10,24,0,0,0,1,0,1,1,2,9,10,2,2,0,0,3,3,1,0,3,8,0,3,2,4,4,1,6,11,10,14,6,15,3,4,15,1,0,0,5,2,2,0,0,1,6,5,5,6,0,3,6,5,0,0,1,0,
|
|
11,2,2,8,4,7,0,10,0,1,2,17,19,3,0,2,5,0,6,2,4,4,6,1,1,11,2,0,3,1,2,1,2,10,7,6,3,16,0,8,24,0,0,3,1,1,3,0,1,6,0,0,0,2,0,1,5,15,0,1,0,0,2,11,19,
|
|
1,4,19,7,6,5,1,0,0,0,0,5,1,0,1,9,0,0,5,0,2,0,1,0,3,0,11,3,0,2,0,0,0,0,0,9,3,6,4,12,0,14,0,0,29,10,8,0,14,37,13,0,31,16,19,0,8,30,1,20,8,3,48,
|
|
21,1,0,12,0,10,44,34,42,54,11,18,82,0,2,1,2,12,1,0,6,2,17,2,12,7,0,7,17,4,2,6,24,23,8,23,39,2,16,23,1,0,5,1,2,15,14,5,6,2,11,0,8,6,2,2,2,14,
|
|
20,4,15,3,4,11,10,10,2,5,2,1,30,2,1,0,0,22,5,5,0,3,1,5,4,1,0,0,2,2,21,1,5,1,2,16,2,1,3,4,0,8,4,0,0,5,14,11,2,16,1,13,1,7,0,22,15,3,1,22,7,14,
|
|
22,19,11,24,18,46,10,20,64,45,3,2,0,4,5,0,1,4,25,1,0,0,2,10,0,0,0,1,0,1,2,0,0,9,1,2,0,0,0,2,5,2,1,1,5,5,8,1,1,1,5,1,4,9,1,3,0,1,0,1,1,2,0,0,
|
|
2,0,1,8,22,8,1,0,0,0,0,4,2,1,0,9,8,5,0,9,1,30,24,2,6,4,39,0,14,5,16,6,26,179,0,2,1,1,0,0,0,5,2,9,6,0,2,5,16,7,5,1,1,0,2,4,4,7,15,13,14,0,0,
|
|
3,0,1,0,0,0,2,1,6,4,5,1,4,9,0,3,1,8,0,0,10,5,0,43,0,2,6,8,4,0,2,0,0,9,6,0,9,3,1,6,20,14,6,1,4,0,7,2,3,0,2,0,5,0,3,1,0,3,9,7,0,3,4,0,4,9,1,6,0,
|
|
9,0,0,2,3,10,9,28,3,6,2,4,1,2,32,4,1,18,2,0,3,1,5,30,10,0,2,2,2,0,7,9,8,11,10,11,7,2,13,7,5,10,0,3,40,2,0,1,6,12,0,4,5,1,5,11,11,21,4,8,3,7,
|
|
8,8,33,5,23,0,0,19,8,8,2,3,0,6,1,1,1,5,1,27,4,2,5,0,3,5,6,3,1,0,3,1,12,5,3,3,2,0,7,7,2,1,0,4,0,1,1,2,0,10,10,6,2,5,9,7,5,15,15,21,6,11,5,20,
|
|
4,3,5,5,2,5,0,2,1,0,1,7,28,0,9,0,5,12,5,5,18,30,0,12,3,3,21,16,25,32,9,3,14,11,24,5,66,9,1,2,0,5,9,1,5,1,8,0,8,3,3,0,1,15,1,4,8,1,2,7,0,7,2,
|
|
8,3,7,5,3,7,10,2,1,0,0,2,25,0,6,4,0,10,0,4,2,4,1,12,5,38,4,0,4,1,10,5,9,4,0,14,4,2,5,18,20,21,1,3,0,5,0,7,0,3,7,1,3,1,1,8,1,0,0,0,3,2,5,2,11,
|
|
6,0,13,1,3,9,1,12,0,16,6,2,1,0,2,1,12,6,13,11,2,0,28,1,7,8,14,13,8,13,0,2,0,5,4,8,10,2,37,42,19,6,6,7,4,14,11,18,14,80,7,6,0,4,72,12,36,27,
|
|
7,7,0,14,17,19,164,27,0,5,10,7,3,13,6,14,0,2,2,5,3,0,6,13,0,0,10,29,0,4,0,3,13,0,3,1,6,51,1,5,28,2,0,8,0,20,2,4,0,25,2,10,13,10,0,16,4,0,1,0,
|
|
2,1,7,0,1,8,11,0,0,1,2,7,2,23,11,6,6,4,16,2,2,2,0,22,9,3,3,5,2,0,15,16,21,2,9,20,15,15,5,3,9,1,0,0,1,7,7,5,4,2,2,2,38,24,14,0,0,15,5,6,24,14,
|
|
5,5,11,0,21,12,0,3,8,4,11,1,8,0,11,27,7,2,4,9,21,59,0,1,39,3,60,62,3,0,12,11,0,3,30,11,0,13,88,4,15,5,28,13,1,4,48,17,17,4,28,32,46,0,16,0,
|
|
18,11,1,8,6,38,11,2,6,11,38,2,0,45,3,11,2,7,8,4,30,14,17,2,1,1,65,18,12,16,4,2,45,123,12,56,33,1,4,3,4,7,0,0,0,3,2,0,16,4,2,4,2,0,7,4,5,2,26,
|
|
2,25,6,11,6,1,16,2,6,17,77,15,3,35,0,1,0,5,1,0,38,16,6,3,12,3,3,3,0,9,3,1,3,5,2,9,0,18,0,25,1,3,32,1,72,46,6,2,7,1,3,14,17,0,28,1,40,13,0,20,
|
|
15,40,6,38,24,12,43,1,1,9,0,12,6,0,6,2,4,19,3,7,1,48,0,9,5,0,5,6,9,6,10,15,2,11,19,3,9,2,0,1,10,1,27,8,1,3,6,1,14,0,26,0,27,16,3,4,9,6,2,23,
|
|
9,10,5,25,2,1,6,1,1,48,15,9,15,14,3,4,26,60,29,13,37,21,1,6,4,0,2,11,22,23,16,16,2,2,1,3,0,5,1,6,4,0,0,4,0,0,8,3,0,2,5,0,7,1,7,3,13,2,4,10,
|
|
3,0,2,31,0,18,3,0,12,10,4,1,0,7,5,7,0,5,4,12,2,22,10,4,2,15,2,8,9,0,23,2,197,51,3,1,1,4,13,4,3,21,4,19,3,10,5,40,0,4,1,1,10,4,1,27,34,7,21,
|
|
2,17,2,9,6,4,2,3,0,4,2,7,8,2,5,1,15,21,3,4,4,2,2,17,22,1,5,22,4,26,7,0,32,1,11,42,15,4,1,2,5,0,19,3,1,8,6,0,10,1,9,2,13,30,8,2,24,17,19,1,4,
|
|
4,25,13,0,10,16,11,39,18,8,5,30,82,1,6,8,18,77,11,13,20,75,11,112,78,33,3,0,0,60,17,84,9,1,1,12,30,10,49,5,32,158,178,5,5,6,3,3,1,3,1,4,7,6,
|
|
19,31,21,0,2,9,5,6,27,4,9,8,1,76,18,12,1,4,0,3,3,6,3,12,2,8,30,16,2,25,1,5,5,4,3,0,6,10,2,3,1,0,5,1,19,3,0,8,1,5,2,6,0,0,0,19,1,2,0,5,1,2,5,
|
|
1,3,7,0,4,12,7,3,10,22,0,9,5,1,0,2,20,1,1,3,23,30,3,9,9,1,4,191,14,3,15,6,8,50,0,1,0,0,4,0,0,1,0,2,4,2,0,2,3,0,2,0,2,2,8,7,0,1,1,1,3,3,17,11,
|
|
91,1,9,3,2,13,4,24,15,41,3,13,3,1,20,4,125,29,30,1,0,4,12,2,21,4,5,5,19,11,0,13,11,86,2,18,0,7,1,8,8,2,2,22,1,2,6,5,2,0,1,2,8,0,2,0,5,2,1,0,
|
|
2,10,2,0,5,9,2,1,2,0,1,0,4,0,0,10,2,5,3,0,6,1,0,1,4,4,33,3,13,17,3,18,6,4,7,1,5,78,0,4,1,13,7,1,8,1,0,35,27,15,3,0,0,0,1,11,5,41,38,15,22,6,
|
|
14,14,2,1,11,6,20,63,5,8,27,7,11,2,2,40,58,23,50,54,56,293,8,8,1,5,1,14,0,1,12,37,89,8,8,8,2,10,6,0,0,0,4,5,2,1,0,1,1,2,7,0,3,3,0,4,6,0,3,2,
|
|
19,3,8,0,0,0,4,4,16,0,4,1,5,1,3,0,3,4,6,2,17,10,10,31,6,4,3,6,10,126,7,3,2,2,0,9,0,0,5,20,13,0,15,0,6,0,2,5,8,64,50,3,2,12,2,9,0,0,11,8,20,
|
|
109,2,18,23,0,0,9,61,3,0,28,41,77,27,19,17,81,5,2,14,5,83,57,252,14,154,263,14,20,8,13,6,57,39,38,
|
|
};
|
|
static int ranges_unpacked;
|
|
static zr_rune ranges[8 + ZR_LEN(offsets_from_0x4E00)*2 + 1] = {
|
|
0x0020, 0x00FF, /* Basic Latin + Latin Supplement */
|
|
0x3000, 0x30FF, /* Punctuations, Hiragana, Katakana */
|
|
0x31F0, 0x31FF, /* Katakana Phonetic Extensions */
|
|
0xFF00, 0xFFEF, /* Half-width characters */
|
|
};
|
|
if (!ranges_unpacked)
|
|
{
|
|
zr_size n = 0;
|
|
zr_rune codepoint = 0x4e00;
|
|
zr_rune* dst = &ranges[8];
|
|
for (n = 0; n < ZR_LEN(offsets_from_0x4E00); n++, dst += 2)
|
|
dst[0] = dst[1] = (zr_rune)(codepoint += (zr_rune)(offsets_from_0x4E00[n] + 1));
|
|
dst[0] = 0;
|
|
ranges_unpacked = 1;
|
|
}
|
|
return &ranges[0];
|
|
}
|
|
|
|
void zr_font_bake_memory(zr_size *temp, int *glyph_count,
|
|
struct zr_font_config *config, int count)
|
|
{
|
|
int i, range_count = 0;
|
|
|
|
ZR_ASSERT(config);
|
|
ZR_ASSERT(glyph_count);
|
|
if (!config) {
|
|
*temp = 0;
|
|
*glyph_count = 0;
|
|
return;
|
|
}
|
|
|
|
*glyph_count = 0;
|
|
if (!config->range)
|
|
config->range = zr_font_default_glyph_ranges();
|
|
for (i = 0; i < count; ++i) {
|
|
range_count += zr_range_count(config[i].range);
|
|
*glyph_count += zr_range_glyph_count(config[i].range, range_count);
|
|
}
|
|
|
|
*temp = (zr_size)*glyph_count * sizeof(stbrp_rect);
|
|
*temp += (zr_size)range_count * sizeof(stbtt_pack_range);
|
|
*temp += (zr_size)*glyph_count * sizeof(stbtt_packedchar);
|
|
*temp += (zr_size)count * sizeof(struct zr_font_bake_data);
|
|
*temp += sizeof(struct zr_font_baker);
|
|
*temp += zr_rect_align + zr_range_align + char_align;
|
|
*temp += zr_build_align + zr_baker_align;
|
|
}
|
|
|
|
static struct zr_font_baker*
|
|
zr_font_baker(void *memory, int glyph_count, int count)
|
|
{
|
|
struct zr_font_baker *baker;
|
|
if (!memory) return 0;
|
|
/* setup baker inside a memory block */
|
|
baker = (struct zr_font_baker*)ZR_ALIGN_PTR(memory, zr_baker_align);
|
|
baker->build = (struct zr_font_bake_data*)ZR_ALIGN_PTR((baker + 1), zr_build_align);
|
|
baker->packed_chars = (stbtt_packedchar*)ZR_ALIGN_PTR((baker->build + count), char_align);
|
|
baker->rects = (stbrp_rect*)ZR_ALIGN_PTR((baker->packed_chars + glyph_count), zr_rect_align);
|
|
baker->ranges = (stbtt_pack_range*)ZR_ALIGN_PTR((baker->rects + glyph_count), zr_range_align);
|
|
return baker;
|
|
}
|
|
|
|
int
|
|
zr_font_bake_pack(zr_size *image_memory, int *width, int *height,
|
|
struct zr_recti *custom, void *temp, zr_size temp_size,
|
|
const struct zr_font_config *config, int count)
|
|
{
|
|
static const zr_size max_height = 1024 * 32;
|
|
struct zr_font_baker* baker;
|
|
int total_glyph_count = 0;
|
|
int total_range_count = 0;
|
|
int i = 0;
|
|
|
|
ZR_ASSERT(image_memory);
|
|
ZR_ASSERT(width);
|
|
ZR_ASSERT(height);
|
|
ZR_ASSERT(config);
|
|
ZR_ASSERT(temp);
|
|
ZR_ASSERT(temp_size);
|
|
ZR_ASSERT(count);
|
|
if (!image_memory || !width || !height || !config || !temp ||
|
|
!temp_size || !count) return zr_false;
|
|
|
|
for (i = 0; i < count; ++i) {
|
|
total_range_count += zr_range_count(config[i].range);
|
|
total_glyph_count += zr_range_glyph_count(config[i].range, total_range_count);
|
|
}
|
|
|
|
/* setup font baker from temporary memory */
|
|
zr_zero(temp, temp_size);
|
|
baker = zr_font_baker(temp, total_glyph_count, count);
|
|
if (!baker) return zr_false;
|
|
for (i = 0; i < count; ++i) {
|
|
const struct zr_font_config *cfg = &config[i];
|
|
if (!stbtt_InitFont(&baker->build[i].info, (const unsigned char*)cfg->ttf_blob, 0))
|
|
return zr_false;
|
|
}
|
|
|
|
*height = 0;
|
|
*width = (total_glyph_count > 1000) ? 1024 : 512;
|
|
stbtt_PackBegin(&baker->spc, 0, (int)*width, (int)max_height, 0, 1, 0);
|
|
{
|
|
int input_i = 0;
|
|
int range_n = 0, rect_n = 0, char_n = 0;
|
|
|
|
/* pack custom user data first so it will be in the upper left corner */
|
|
if (custom) {
|
|
stbrp_rect custom_space;
|
|
zr_zero(&custom_space, sizeof(custom_space));
|
|
custom_space.w = (stbrp_coord)((custom->w * 2) + 1);
|
|
custom_space.h = (stbrp_coord)(custom->h + 1);
|
|
|
|
stbtt_PackSetOversampling(&baker->spc, 1, 1);
|
|
stbrp_pack_rects((stbrp_context*)baker->spc.pack_info, &custom_space, 1);
|
|
*height = MAX(*height, (int)(custom_space.y + custom_space.h));
|
|
|
|
custom->x = (short)custom_space.x;
|
|
custom->y = (short)custom_space.y;
|
|
custom->w = (short)custom_space.w;
|
|
custom->h = (short)custom_space.h;
|
|
}
|
|
|
|
/* first font pass: pack all glyphes */
|
|
for (input_i = 0; input_i < count; input_i++) {
|
|
int n = 0;
|
|
const zr_rune *in_range;
|
|
const struct zr_font_config *cfg = &config[input_i];
|
|
struct zr_font_bake_data *tmp = &baker->build[input_i];
|
|
int glyph_count, range_count;
|
|
|
|
/* count glyphes + ranges in current font */
|
|
glyph_count = 0; range_count = 0;
|
|
for (in_range = cfg->range; in_range[0] && in_range[1]; in_range += 2) {
|
|
glyph_count += (int)(in_range[1] - in_range[0]) + 1;
|
|
range_count++;
|
|
}
|
|
|
|
/* setup ranges */
|
|
tmp->ranges = baker->ranges + range_n;
|
|
tmp->range_count = (zr_rune)range_count;
|
|
range_n += range_count;
|
|
for (i = 0; i < range_count; ++i) {
|
|
in_range = &cfg->range[i * 2];
|
|
tmp->ranges[i].font_size = cfg->size;
|
|
tmp->ranges[i].first_unicode_codepoint_in_range = (int)in_range[0];
|
|
tmp->ranges[i].num_chars = (int)(in_range[1]- in_range[0]) + 1;
|
|
tmp->ranges[i].chardata_for_range = baker->packed_chars + char_n;
|
|
char_n += tmp->ranges[i].num_chars;
|
|
}
|
|
|
|
/* pack */
|
|
tmp->rects = baker->rects + rect_n;
|
|
rect_n += glyph_count;
|
|
stbtt_PackSetOversampling(&baker->spc, cfg->oversample_h, cfg->oversample_v);
|
|
n = stbtt_PackFontRangesGatherRects(&baker->spc, &tmp->info,
|
|
tmp->ranges, (int)tmp->range_count, tmp->rects);
|
|
stbrp_pack_rects((stbrp_context*)baker->spc.pack_info, tmp->rects, (int)n);
|
|
|
|
/* texture height */
|
|
for (i = 0; i < n; ++i) {
|
|
if (tmp->rects[i].was_packed)
|
|
*height = MAX(*height, tmp->rects[i].y + tmp->rects[i].h);
|
|
}
|
|
}
|
|
ZR_ASSERT(rect_n == total_glyph_count);
|
|
ZR_ASSERT(char_n == total_glyph_count);
|
|
ZR_ASSERT(range_n == total_range_count);
|
|
}
|
|
*height = (int32_t)zr_round_up_pow2((uint32_t)*height);
|
|
*image_memory = (zr_size)((*width) * (*height));
|
|
return zr_true;
|
|
}
|
|
|
|
void
|
|
zr_font_bake(void *image_memory, int width, int height,
|
|
void *temp, zr_size temp_size, struct zr_font_glyph *glyphes,
|
|
int glyphes_count, const struct zr_font_config *config, int font_count)
|
|
{
|
|
int input_i = 0;
|
|
struct zr_font_baker* baker;
|
|
zr_rune glyph_n = 0;
|
|
|
|
ZR_ASSERT(image_memory);
|
|
ZR_ASSERT(width);
|
|
ZR_ASSERT(height);
|
|
ZR_ASSERT(config);
|
|
ZR_ASSERT(temp);
|
|
ZR_ASSERT(temp_size);
|
|
ZR_ASSERT(font_count);
|
|
ZR_ASSERT(glyphes_count);
|
|
if (!image_memory || !width || !height || !config || !temp ||
|
|
!temp_size || !font_count || !glyphes || !glyphes_count)
|
|
return;
|
|
|
|
/* second font pass: render glyphes */
|
|
baker = (struct zr_font_baker*)ZR_ALIGN_PTR(temp, zr_baker_align);
|
|
zr_zero(image_memory, (zr_size)(width * height));
|
|
baker->spc.pixels = (unsigned char*)image_memory;
|
|
baker->spc.height = (int)height;
|
|
for (input_i = 0; input_i < font_count; ++input_i) {
|
|
const struct zr_font_config *cfg = &config[input_i];
|
|
struct zr_font_bake_data *tmp = &baker->build[input_i];
|
|
stbtt_PackSetOversampling(&baker->spc, cfg->oversample_h, cfg->oversample_v);
|
|
stbtt_PackFontRangesRenderIntoRects(&baker->spc, &tmp->info, tmp->ranges,
|
|
(int)tmp->range_count, tmp->rects);
|
|
}
|
|
stbtt_PackEnd(&baker->spc);
|
|
|
|
/* third pass: setup font and glyphes */
|
|
for (input_i = 0; input_i < font_count; ++input_i) {
|
|
zr_size i = 0;
|
|
int char_idx = 0;
|
|
zr_rune glyph_count = 0;
|
|
const struct zr_font_config *cfg = &config[input_i];
|
|
struct zr_font_bake_data *tmp = &baker->build[input_i];
|
|
struct zr_baked_font *dst_font = cfg->font;
|
|
|
|
float font_scale = stbtt_ScaleForPixelHeight(&tmp->info, cfg->size);
|
|
int unscaled_ascent, unscaled_descent, unscaled_line_gap;
|
|
stbtt_GetFontVMetrics(&tmp->info, &unscaled_ascent, &unscaled_descent,
|
|
&unscaled_line_gap);
|
|
|
|
/* fill baked font */
|
|
dst_font->ranges = cfg->range;
|
|
dst_font->height = cfg->size;
|
|
dst_font->ascent = ((float)unscaled_ascent * font_scale);
|
|
dst_font->descent = ((float)unscaled_descent * font_scale);
|
|
dst_font->glyph_offset = glyph_n;
|
|
|
|
/* fill own baked font glyph array */
|
|
for (i = 0; i < tmp->range_count; ++i) {
|
|
stbtt_pack_range *range = &tmp->ranges[i];
|
|
for (char_idx = 0; char_idx < range->num_chars; char_idx++) {
|
|
zr_rune codepoint = 0;
|
|
float dummy_x = 0, dummy_y = 0;
|
|
stbtt_aligned_quad q;
|
|
struct zr_font_glyph *glyph;
|
|
|
|
/* query glyph bounds from stb_truetype */
|
|
const stbtt_packedchar *pc = &range->chardata_for_range[char_idx];
|
|
glyph_count++;
|
|
if (!pc->x0 && !pc->x1 && !pc->y0 && !pc->y1) continue;
|
|
codepoint = (zr_rune)(range->first_unicode_codepoint_in_range + char_idx);
|
|
stbtt_GetPackedQuad(range->chardata_for_range, (int)width,
|
|
(int)height, char_idx, &dummy_x, &dummy_y, &q, 0);
|
|
|
|
/* fill own glyph type with data */
|
|
glyph = &glyphes[dst_font->glyph_offset + (unsigned int)char_idx];
|
|
glyph->codepoint = codepoint;
|
|
glyph->x0 = q.x0; glyph->y0 = q.y0; glyph->x1 = q.x1; glyph->y1 = q.y1;
|
|
glyph->y0 += (dst_font->ascent + 0.5f);
|
|
glyph->y1 += (dst_font->ascent + 0.5f);
|
|
if (cfg->coord_type == ZR_COORD_PIXEL) {
|
|
glyph->u0 = q.s0 * (float)width;
|
|
glyph->v0 = q.t0 * (float)height;
|
|
glyph->u1 = q.s1 * (float)width;
|
|
glyph->v1 = q.t1 * (float)height;
|
|
} else {
|
|
glyph->u0 = q.s0;
|
|
glyph->v0 = q.t0;
|
|
glyph->u1 = q.s1;
|
|
glyph->v1 = q.t1;
|
|
}
|
|
glyph->xadvance = (pc->xadvance + cfg->spacing.x);
|
|
if (cfg->pixel_snap)
|
|
glyph->xadvance = (float)(int)(glyph->xadvance + 0.5f);
|
|
}
|
|
}
|
|
dst_font->glyph_count = glyph_count;
|
|
glyph_n += dst_font->glyph_count;
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_font_bake_custom_data(void *img_memory, int img_width, int img_height,
|
|
struct zr_recti img_dst, const char *texture_data_mask, int tex_width,
|
|
int tex_height, char white, char black)
|
|
{
|
|
zr_byte *pixels;
|
|
int y = 0, x = 0, n = 0;
|
|
ZR_ASSERT(img_memory);
|
|
ZR_ASSERT(img_width);
|
|
ZR_ASSERT(img_height);
|
|
ZR_ASSERT(texture_data_mask);
|
|
ZR_UNUSED(tex_height);
|
|
if (!img_memory || !img_width || !img_height || !texture_data_mask)
|
|
return;
|
|
|
|
pixels = (zr_byte*)img_memory;
|
|
for (y = 0, n = 0; y < tex_height; ++y) {
|
|
for (x = 0; x < tex_width; ++x, ++n) {
|
|
const int off0 = ((img_dst.x + x) + (img_dst.y + y) * img_width);
|
|
const int off1 = off0 + 1 + tex_width;
|
|
pixels[off0] = (texture_data_mask[n] == white) ? 0xFF : 0x00;
|
|
pixels[off1] = (texture_data_mask[n] == black) ? 0xFF : 0x00;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_font_bake_convert(void *out_memory, int img_width, int img_height,
|
|
const void *in_memory)
|
|
{
|
|
int n = 0;
|
|
const zr_byte *src;
|
|
uint32_t *dst;
|
|
ZR_ASSERT(out_memory);
|
|
ZR_ASSERT(in_memory);
|
|
ZR_ASSERT(img_width);
|
|
ZR_ASSERT(img_height);
|
|
if (!out_memory || !in_memory || !img_height || !img_width) return;
|
|
|
|
dst = (uint32_t*)out_memory;
|
|
src = (const zr_byte*)in_memory;
|
|
for (n = (int)(img_width * img_height); n > 0; n--)
|
|
*dst++ = ((uint32_t)(*src++) << 24) | 0x00FFFFFF;
|
|
}
|
|
/* -------------------------------------------------------------
|
|
*
|
|
* FONT
|
|
*
|
|
* --------------------------------------------------------------*/
|
|
void
|
|
zr_font_init(struct zr_font *font, float pixel_height,
|
|
zr_rune fallback_codepoint, struct zr_font_glyph *glyphes,
|
|
const struct zr_baked_font *baked_font, zr_handle atlas)
|
|
{
|
|
ZR_ASSERT(font);
|
|
ZR_ASSERT(glyphes);
|
|
ZR_ASSERT(baked_font);
|
|
if (!font || !glyphes || !baked_font)
|
|
return;
|
|
|
|
zr_zero(font, sizeof(*font));
|
|
font->ascent = baked_font->ascent;
|
|
font->descent = baked_font->descent;
|
|
font->size = baked_font->height;
|
|
font->scale = (float)pixel_height / (float)font->size;
|
|
font->glyphes = &glyphes[baked_font->glyph_offset];
|
|
font->glyph_count = baked_font->glyph_count;
|
|
font->ranges = baked_font->ranges;
|
|
font->atlas = atlas;
|
|
font->fallback_codepoint = fallback_codepoint;
|
|
font->fallback = zr_font_find_glyph(font, fallback_codepoint);
|
|
}
|
|
|
|
const struct zr_font_glyph*
|
|
zr_font_find_glyph(struct zr_font *font, zr_rune unicode)
|
|
{
|
|
int i = 0;
|
|
int count;
|
|
int total_glyphes = 0;
|
|
const struct zr_font_glyph *glyph = 0;
|
|
ZR_ASSERT(font);
|
|
|
|
glyph = font->fallback;
|
|
count = zr_range_count(font->ranges);
|
|
for (i = 0; i < count; ++i) {
|
|
int diff;
|
|
zr_rune f = font->ranges[(i*2)+0];
|
|
zr_rune t = font->ranges[(i*2)+1];
|
|
diff = (int)((t - f) + 1);
|
|
if (unicode >= f && unicode <= t)
|
|
return &font->glyphes[((zr_rune)total_glyphes + (unicode - f))];
|
|
total_glyphes += diff;
|
|
}
|
|
return glyph;
|
|
}
|
|
|
|
static zr_size
|
|
zr_font_text_width(zr_handle handle, float height, const char *text, zr_size len)
|
|
{
|
|
zr_rune unicode;
|
|
const struct zr_font_glyph *glyph;
|
|
struct zr_font *font;
|
|
zr_size text_len = 0;
|
|
zr_size text_width = 0;
|
|
zr_size glyph_len = 0;
|
|
float scale = 0;
|
|
font = (struct zr_font*)handle.ptr;
|
|
ZR_ASSERT(font);
|
|
if (!font || !text || !len)
|
|
return 0;
|
|
|
|
scale = height/font->size;
|
|
glyph_len = zr_utf_decode(text, &unicode, len);
|
|
while (text_len < len) {
|
|
if (unicode == ZR_UTF_INVALID) return 0;
|
|
glyph = zr_font_find_glyph(font, unicode);
|
|
text_len += glyph_len;
|
|
text_width += (zr_size)((glyph->xadvance * scale));
|
|
glyph_len = zr_utf_decode(text + text_len, &unicode, len - text_len);
|
|
}
|
|
return text_width;
|
|
}
|
|
|
|
#if ZR_COMPILE_WITH_VERTEX_BUFFER
|
|
static void
|
|
zr_font_query_font_glyph(zr_handle handle, float height, struct zr_user_font_glyph *glyph,
|
|
zr_rune codepoint, zr_rune next_codepoint)
|
|
{
|
|
float scale;
|
|
const struct zr_font_glyph *g;
|
|
struct zr_font *font;
|
|
ZR_ASSERT(glyph);
|
|
ZR_UNUSED(next_codepoint);
|
|
font = (struct zr_font*)handle.ptr;
|
|
ZR_ASSERT(font);
|
|
if (!font || !glyph)
|
|
return;
|
|
|
|
scale = height/font->size;
|
|
g = zr_font_find_glyph(font, codepoint);
|
|
glyph->width = (g->x1 - g->x0) * scale;
|
|
glyph->height = (g->y1 - g->y0) * scale;
|
|
glyph->offset = zr_vec2(g->x0 * scale, g->y0 * scale);
|
|
glyph->xadvance = (g->xadvance * scale);
|
|
glyph->uv[0] = zr_vec2(g->u0, g->v0);
|
|
glyph->uv[1] = zr_vec2(g->u1, g->v1);
|
|
}
|
|
#endif
|
|
|
|
struct zr_user_font
|
|
zr_font_ref(struct zr_font *font)
|
|
{
|
|
struct zr_user_font user_font;
|
|
zr_zero(&user_font, sizeof(user_font));
|
|
user_font.height = font->size * font->scale;
|
|
user_font.width = zr_font_text_width;
|
|
user_font.userdata.ptr = font;
|
|
#if ZR_COMPILE_WITH_VERTEX_BUFFER
|
|
user_font.query = zr_font_query_font_glyph;
|
|
user_font.texture = font->atlas;
|
|
#endif
|
|
return user_font;
|
|
}
|
|
#endif
|
|
/*
|
|
* ==============================================================
|
|
*
|
|
* Edit Box
|
|
*
|
|
* ===============================================================
|
|
*/
|
|
static void
|
|
zr_edit_buffer_append(zr_edit_buffer *buffer, const char *str, zr_size len)
|
|
{
|
|
char *mem;
|
|
ZR_ASSERT(buffer);
|
|
ZR_ASSERT(str);
|
|
if (!buffer || !str || !len) return;
|
|
mem = (char*)zr_buffer_alloc(buffer, ZR_BUFFER_FRONT, len * sizeof(char), 0);
|
|
if (!mem) return;
|
|
zr_memcopy(mem, str, len * sizeof(char));
|
|
}
|
|
|
|
static int
|
|
zr_edit_buffer_insert(zr_edit_buffer *buffer, zr_size pos,
|
|
const char *str, zr_size len)
|
|
{
|
|
void *mem;
|
|
zr_size i;
|
|
char *src, *dst;
|
|
|
|
zr_size copylen;
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer || !str || !len || pos > buffer->allocated) return 0;
|
|
|
|
copylen = buffer->allocated - pos;
|
|
if (!copylen) {
|
|
zr_edit_buffer_append(buffer, str, len);
|
|
return 1;
|
|
}
|
|
mem = zr_buffer_alloc(buffer, ZR_BUFFER_FRONT, len * sizeof(char), 0);
|
|
if (!mem) return 0;
|
|
|
|
/* memmove */
|
|
ZR_ASSERT(((int)pos + (int)len + ((int)copylen - 1)) >= 0);
|
|
ZR_ASSERT(((int)pos + ((int)copylen - 1)) >= 0);
|
|
dst = zr_ptr_add(char, buffer->memory.ptr, pos + len + (copylen - 1));
|
|
src = zr_ptr_add(char, buffer->memory.ptr, pos + (copylen-1));
|
|
for (i = 0; i < copylen; ++i) *dst-- = *src--;
|
|
mem = zr_ptr_add(void, buffer->memory.ptr, pos);
|
|
zr_memcopy(mem, str, len * sizeof(char));
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
zr_edit_buffer_remove(zr_edit_buffer *buffer, zr_size len)
|
|
{
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer || len > buffer->allocated) return;
|
|
ZR_ASSERT(((int)buffer->allocated - (int)len) >= 0);
|
|
buffer->allocated -= len;
|
|
}
|
|
|
|
static void
|
|
zr_edit_buffer_del(zr_edit_buffer *buffer, zr_size pos, zr_size len)
|
|
{
|
|
char *src, *dst;
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer || !len || pos > buffer->allocated ||
|
|
pos + len > buffer->allocated) return;
|
|
|
|
if (pos + len < buffer->allocated) {
|
|
/* memmove */
|
|
dst = zr_ptr_add(char, buffer->memory.ptr, pos);
|
|
src = zr_ptr_add(char, buffer->memory.ptr, pos + len);
|
|
zr_memcopy(dst, src, buffer->allocated - (pos + len));
|
|
ZR_ASSERT(((int)buffer->allocated - (int)len) >= 0);
|
|
buffer->allocated -= len;
|
|
} else zr_edit_buffer_remove(buffer, len);
|
|
}
|
|
|
|
static char*
|
|
zr_edit_buffer_at_char(zr_edit_buffer *buffer, zr_size pos)
|
|
{
|
|
ZR_ASSERT(buffer);
|
|
if (!buffer || pos > buffer->allocated) return 0;
|
|
return zr_ptr_add(char, buffer->memory.ptr, pos);
|
|
}
|
|
|
|
static char*
|
|
zr_edit_buffer_at(zr_edit_buffer *buffer, int pos, zr_rune *unicode,
|
|
zr_size *len)
|
|
{
|
|
int i = 0;
|
|
zr_size src_len = 0;
|
|
zr_size glyph_len = 0;
|
|
char *text;
|
|
zr_size text_len;
|
|
|
|
ZR_ASSERT(buffer);
|
|
ZR_ASSERT(unicode);
|
|
ZR_ASSERT(len);
|
|
if (!buffer || !unicode || !len) return 0;
|
|
if (pos < 0) {
|
|
*unicode = 0;
|
|
*len = 0;
|
|
return 0;
|
|
}
|
|
|
|
text = (char*)buffer->memory.ptr;
|
|
text_len = buffer->allocated;
|
|
glyph_len = zr_utf_decode(text, unicode, text_len);
|
|
while (glyph_len) {
|
|
if (i == pos) {
|
|
*len = glyph_len;
|
|
break;
|
|
}
|
|
|
|
i++;
|
|
src_len = src_len + glyph_len;
|
|
glyph_len = zr_utf_decode(text + src_len, unicode, text_len - src_len);
|
|
}
|
|
if (i != pos) return 0;
|
|
return text + src_len;
|
|
}
|
|
|
|
void
|
|
zr_edit_box_init(struct zr_edit_box *eb, struct zr_allocator *a,
|
|
zr_size initial_size, float grow_fac, const struct zr_clipboard *clip,
|
|
zr_filter f)
|
|
{
|
|
ZR_ASSERT(eb);
|
|
ZR_ASSERT(a);
|
|
ZR_ASSERT(initial_size);
|
|
if (!eb || !a) return;
|
|
|
|
zr_zero(eb, sizeof(*eb));
|
|
zr_buffer_init(&eb->buffer, a, initial_size, grow_fac);
|
|
if (clip) eb->clip = *clip;
|
|
if (f) eb->filter = f;
|
|
else eb->filter = zr_filter_default;
|
|
eb->cursor = 0;
|
|
eb->glyphes = 0;
|
|
}
|
|
|
|
void
|
|
zr_edit_box_init_fixed(struct zr_edit_box *eb, void *memory, zr_size size,
|
|
const struct zr_clipboard *clip, zr_filter f)
|
|
{
|
|
ZR_ASSERT(eb);
|
|
if (!eb) return;
|
|
zr_zero(eb, sizeof(*eb));
|
|
zr_buffer_init_fixed(&eb->buffer, memory, size);
|
|
if (clip) eb->clip = *clip;
|
|
if (f) eb->filter = f;
|
|
else eb->filter = zr_filter_default;
|
|
eb->cursor = 0;
|
|
eb->glyphes = 0;
|
|
}
|
|
|
|
void
|
|
zr_edit_box_clear(struct zr_edit_box *box)
|
|
{
|
|
ZR_ASSERT(box);
|
|
if (!box) return;
|
|
zr_buffer_clear(&box->buffer);
|
|
box->cursor = box->glyphes = 0;
|
|
}
|
|
|
|
void
|
|
zr_edit_box_free(struct zr_edit_box *box)
|
|
{
|
|
ZR_ASSERT(box);
|
|
if (!box) return;
|
|
zr_buffer_free(&box->buffer);
|
|
box->cursor = box->glyphes = 0;
|
|
}
|
|
|
|
void
|
|
zr_edit_box_info(struct zr_memory_status *status, struct zr_edit_box *box)
|
|
{
|
|
ZR_ASSERT(box);
|
|
ZR_ASSERT(status);
|
|
if (!box || !status) return;
|
|
zr_buffer_info(status, &box->buffer);
|
|
}
|
|
|
|
void
|
|
zr_edit_box_add(struct zr_edit_box *eb, const char *str, zr_size len)
|
|
{
|
|
int res = 0;
|
|
ZR_ASSERT(eb);
|
|
if (!eb || !str || !len) return;
|
|
if (eb->cursor == eb->glyphes) {
|
|
res = zr_edit_buffer_insert(&eb->buffer, eb->buffer.allocated, str, len);
|
|
} else {
|
|
zr_size l = 0;
|
|
zr_rune unicode;
|
|
int cursor = (eb->cursor) ? (int)(eb->cursor) : 0;
|
|
char *sym = zr_edit_buffer_at(&eb->buffer, cursor, &unicode, &l);
|
|
zr_size offset = (zr_size)(sym - (char*)eb->buffer.memory.ptr);
|
|
res = zr_edit_buffer_insert(&eb->buffer, offset, str, len);
|
|
}
|
|
if (res) {
|
|
zr_size l = zr_utf_len(str, len);
|
|
eb->cursor += l;
|
|
eb->glyphes += l;
|
|
}
|
|
}
|
|
|
|
static zr_size
|
|
zr_edit_box_buffer_input(struct zr_edit_box *box, const struct zr_input *i)
|
|
{
|
|
zr_rune unicode;
|
|
zr_size src_len = 0;
|
|
zr_size text_len = 0, glyph_len = 0;
|
|
zr_size glyphes = 0;
|
|
|
|
ZR_ASSERT(box);
|
|
ZR_ASSERT(i);
|
|
if (!box || !i) return 0;
|
|
|
|
/* add user provided text to buffer until either no input or buffer space left*/
|
|
glyph_len = zr_utf_decode(i->keyboard.text, &unicode, i->keyboard.text_len);
|
|
while (glyph_len && ((text_len+glyph_len) <= i->keyboard.text_len)) {
|
|
/* filter to make sure the value is correct */
|
|
if (box->filter(unicode)) {
|
|
zr_edit_box_add(box, &i->keyboard.text[text_len], glyph_len);
|
|
text_len += glyph_len;
|
|
glyphes++;
|
|
}
|
|
src_len = src_len + glyph_len;
|
|
glyph_len = zr_utf_decode(i->keyboard.text + src_len, &unicode,
|
|
i->keyboard.text_len - src_len);
|
|
}
|
|
return glyphes;
|
|
}
|
|
|
|
void
|
|
zr_edit_box_remove(struct zr_edit_box *box)
|
|
{
|
|
zr_size len;
|
|
char *buf;
|
|
zr_size min, maxi, diff;
|
|
ZR_ASSERT(box);
|
|
if (!box) return;
|
|
if (!box->glyphes) return;
|
|
|
|
buf = (char*)box->buffer.memory.ptr;
|
|
min = MIN(box->sel.end, box->sel.begin);
|
|
maxi = MAX(box->sel.end, box->sel.begin);
|
|
diff = maxi - min;
|
|
|
|
if (diff && box->cursor != box->glyphes) {
|
|
zr_size off;
|
|
zr_rune unicode;
|
|
char *begin, *end;
|
|
|
|
/* calculate text selection byte position and size */
|
|
begin = zr_edit_buffer_at(&box->buffer, (int)min, &unicode, &len);
|
|
end = zr_edit_buffer_at(&box->buffer, (int)maxi, &unicode, &len);
|
|
len = (zr_size)(end - begin);
|
|
off = (zr_size)(begin - buf);
|
|
|
|
/* delete text selection */
|
|
zr_edit_buffer_del(&box->buffer, off, len);
|
|
box->glyphes = zr_utf_len(buf, box->buffer.allocated);
|
|
} else {
|
|
zr_rune unicode;
|
|
int cursor;
|
|
char *glyph;
|
|
zr_size offset;
|
|
|
|
/* remove last glyph */
|
|
cursor = (int)box->cursor - 1;
|
|
glyph = zr_edit_buffer_at(&box->buffer, cursor, &unicode, &len);
|
|
if (!glyph || !len) return;
|
|
|
|
offset = (zr_size)(glyph - (char*)box->buffer.memory.ptr);
|
|
zr_edit_buffer_del(&box->buffer, offset, len);
|
|
box->glyphes--;
|
|
}
|
|
if (box->cursor >= box->glyphes) box->cursor = box->glyphes;
|
|
else if (box->cursor > 0) box->cursor--;
|
|
}
|
|
|
|
char*
|
|
zr_edit_box_get(struct zr_edit_box *eb)
|
|
{
|
|
ZR_ASSERT(eb);
|
|
if (!eb) return 0;
|
|
return (char*)eb->buffer.memory.ptr;
|
|
}
|
|
|
|
const char*
|
|
zr_edit_box_get_const(struct zr_edit_box *eb)
|
|
{
|
|
ZR_ASSERT(eb);
|
|
if (!eb) return 0;
|
|
return (char*)eb->buffer.memory.ptr;
|
|
}
|
|
|
|
char
|
|
zr_edit_box_at_char(struct zr_edit_box *eb, zr_size pos)
|
|
{
|
|
char *c;
|
|
ZR_ASSERT(eb);
|
|
if (!eb || pos >= eb->buffer.allocated) return 0;
|
|
c = zr_edit_buffer_at_char(&eb->buffer, pos);
|
|
return c ? *c : 0;
|
|
}
|
|
|
|
void
|
|
zr_edit_box_at(struct zr_edit_box *eb, zr_size pos, zr_glyph g, zr_size *len)
|
|
{
|
|
char *sym;
|
|
zr_rune unicode;
|
|
|
|
ZR_ASSERT(eb);
|
|
ZR_ASSERT(g);
|
|
ZR_ASSERT(len);
|
|
|
|
if (!eb || !len || !g) return;
|
|
if (pos >= eb->glyphes) {
|
|
*len = 0;
|
|
return;
|
|
}
|
|
sym = zr_edit_buffer_at(&eb->buffer, (int)pos, &unicode, len);
|
|
if (!sym) return;
|
|
zr_memcopy(g, sym, *len);
|
|
}
|
|
|
|
void
|
|
zr_edit_box_at_cursor(struct zr_edit_box *eb, zr_glyph g, zr_size *len)
|
|
{
|
|
const char *text;
|
|
zr_size text_len;
|
|
zr_size glyph_len = 0;
|
|
|
|
ZR_ASSERT(eb);
|
|
ZR_ASSERT(g);
|
|
ZR_ASSERT(len);
|
|
|
|
if (!eb || !g || !len) return;
|
|
if (!eb->cursor) {
|
|
*len = 0;
|
|
return;
|
|
}
|
|
|
|
text = (char*)eb->buffer.memory.ptr;
|
|
text_len = eb->buffer.allocated;
|
|
glyph_len = zr_utf_len(text, text_len);
|
|
zr_edit_box_at(eb, glyph_len, g, len);
|
|
}
|
|
|
|
void
|
|
zr_edit_box_set_cursor(struct zr_edit_box *eb, zr_size pos)
|
|
{
|
|
ZR_ASSERT(eb);
|
|
ZR_ASSERT(eb->glyphes >= pos);
|
|
if (!eb || pos > eb->glyphes) return;
|
|
eb->cursor = pos;
|
|
}
|
|
|
|
zr_size
|
|
zr_edit_box_get_cursor(struct zr_edit_box *eb)
|
|
{
|
|
ZR_ASSERT(eb);
|
|
if (!eb) return 0;
|
|
return eb->cursor;
|
|
}
|
|
|
|
zr_size
|
|
zr_edit_box_len_char(struct zr_edit_box *eb)
|
|
{
|
|
ZR_ASSERT(eb);
|
|
return eb->buffer.allocated;
|
|
}
|
|
|
|
zr_size
|
|
zr_edit_box_len(struct zr_edit_box *eb)
|
|
{
|
|
ZR_ASSERT(eb);
|
|
return eb->glyphes;
|
|
}
|
|
|
|
/* ===============================================================
|
|
*
|
|
* TEXT
|
|
*
|
|
* ===============================================================*/
|
|
struct zr_text {
|
|
struct zr_vec2 padding;
|
|
struct zr_color background;
|
|
struct zr_color text;
|
|
};
|
|
|
|
static void
|
|
zr_widget_text(struct zr_command_buffer *o, struct zr_rect b,
|
|
const char *string, zr_size len, const struct zr_text *t,
|
|
enum zr_text_align a, const struct zr_user_font *f)
|
|
{
|
|
struct zr_rect label;
|
|
zr_size text_width;
|
|
|
|
ZR_ASSERT(o);
|
|
ZR_ASSERT(t);
|
|
if (!o || !t) return;
|
|
|
|
b.h = MAX(b.h, 2 * t->padding.y);
|
|
label.x = 0; label.w = 0;
|
|
label.y = b.y + t->padding.y;
|
|
label.h = b.h - 2 * t->padding.y;
|
|
|
|
text_width = f->width(f->userdata, f->height, (const char*)string, len);
|
|
text_width += (zr_size)(2 * t->padding.x);
|
|
|
|
if (a == ZR_TEXT_LEFT) {
|
|
label.x = b.x + t->padding.x;
|
|
label.w = MAX(0, b.w - 2 * t->padding.x);
|
|
} else if (a == ZR_TEXT_CENTERED) {
|
|
label.w = MAX(1, 2 * t->padding.x + (float)text_width);
|
|
label.x = (b.x + t->padding.x + ((b.w - 2 * t->padding.x)/2));
|
|
if (label.x >= label.w/2) label.x -= (label.w/2);
|
|
label.x = MAX(b.x + t->padding.x, label.x);
|
|
label.w = MIN(b.x + b.w, label.x + label.w);
|
|
if (label.w >= label.x) label.w -= label.x;
|
|
} else if (a == ZR_TEXT_RIGHT) {
|
|
label.x = MAX(b.x + t->padding.x, (b.x + b.w) - (2 * t->padding.x + (float)text_width));
|
|
label.w = (float)text_width + 2 * t->padding.x;
|
|
} else return;
|
|
zr_command_buffer_push_text(o, label, (const char*)string,
|
|
len, f, t->background, t->text);
|
|
}
|
|
|
|
static void
|
|
zr_widget_text_wrap(struct zr_command_buffer *o, struct zr_rect b,
|
|
const char *string, zr_size len, const struct zr_text *t,
|
|
const struct zr_user_font *f)
|
|
{
|
|
float width;
|
|
zr_size glyphes = 0;
|
|
zr_size fitting = 0;
|
|
zr_size done = 0;
|
|
struct zr_rect line;
|
|
struct zr_text text;
|
|
|
|
ZR_ASSERT(o);
|
|
ZR_ASSERT(t);
|
|
if (!o || !t) return;
|
|
|
|
text.padding = zr_vec2(0,0);
|
|
text.background = t->background;
|
|
text.text = t->text;
|
|
|
|
b.w = MAX(b.w, 2 * t->padding.x);
|
|
b.h = MAX(b.h, 2 * t->padding.y);
|
|
b.h = b.h - 2 * t->padding.y;
|
|
|
|
line.x = b.x + t->padding.x;
|
|
line.y = b.y + t->padding.y;
|
|
line.w = b.w - 2 * t->padding.x;
|
|
line.h = 2 * t->padding.y + f->height;
|
|
|
|
fitting = zr_use_font_glyph_clamp(f, string, len, line.w, &glyphes, &width);
|
|
while (done < len) {
|
|
if (!fitting || line.y + line.h >= (b.y + b.h)) break;
|
|
zr_widget_text(o, line, &string[done], fitting, &text, ZR_TEXT_LEFT, f);
|
|
done += fitting;
|
|
line.y += f->height + 2 * t->padding.y;
|
|
fitting = zr_use_font_glyph_clamp(f, &string[done], len-done, line.w, &glyphes, &width);
|
|
}
|
|
}
|
|
|
|
/* ===============================================================
|
|
*
|
|
* BUTTON
|
|
*
|
|
* ===============================================================*/
|
|
struct zr_button {
|
|
float border_width;
|
|
float rounding;
|
|
struct zr_vec2 padding;
|
|
struct zr_color border;
|
|
struct zr_color normal;
|
|
struct zr_color hover;
|
|
struct zr_color active;
|
|
};
|
|
|
|
struct zr_button_text {
|
|
struct zr_button base;
|
|
enum zr_text_align alignment;
|
|
struct zr_color normal;
|
|
struct zr_color hover;
|
|
struct zr_color active;
|
|
};
|
|
|
|
struct zr_button_symbol {
|
|
struct zr_button base;
|
|
struct zr_color normal;
|
|
struct zr_color hover;
|
|
struct zr_color active;
|
|
};
|
|
|
|
struct zr_button_icon {
|
|
struct zr_button base;
|
|
struct zr_vec2 padding;
|
|
};
|
|
|
|
static void
|
|
zr_draw_symbol(struct zr_command_buffer *out, enum zr_symbol symbol,
|
|
struct zr_rect content, struct zr_color background, struct zr_color foreground,
|
|
float border_width, const struct zr_user_font *font)
|
|
{
|
|
switch (symbol) {
|
|
case ZR_SYMBOL_X:
|
|
case ZR_SYMBOL_UNDERSCORE:
|
|
case ZR_SYMBOL_PLUS:
|
|
case ZR_SYMBOL_MINUS: {
|
|
/* single character text symbol */
|
|
const char *X = (symbol == ZR_SYMBOL_X) ? "x":
|
|
(symbol == ZR_SYMBOL_UNDERSCORE) ? "_":
|
|
(symbol == ZR_SYMBOL_PLUS) ? "+": "-";
|
|
struct zr_text text;
|
|
text.padding = zr_vec2(0,0);
|
|
text.background = background;
|
|
text.text = foreground;
|
|
zr_widget_text(out, content, X, 1, &text, ZR_TEXT_CENTERED, font);
|
|
} break;
|
|
case ZR_SYMBOL_CIRCLE:
|
|
case ZR_SYMBOL_CIRCLE_FILLED:
|
|
case ZR_SYMBOL_RECT:
|
|
case ZR_SYMBOL_RECT_FILLED: {
|
|
/* simple empty/filled shapes */
|
|
if (symbol == ZR_SYMBOL_RECT || symbol == ZR_SYMBOL_RECT_FILLED) {
|
|
zr_command_buffer_push_rect(out, content, 0, foreground);
|
|
if (symbol == ZR_SYMBOL_RECT_FILLED)
|
|
zr_command_buffer_push_rect(out, zr_shrink_rect(content,
|
|
border_width), 0, background);
|
|
} else {
|
|
zr_command_buffer_push_circle(out, content, foreground);
|
|
if (symbol == ZR_SYMBOL_CIRCLE_FILLED)
|
|
zr_command_buffer_push_circle(out, zr_shrink_rect(content, 1),
|
|
background);
|
|
}
|
|
} break;
|
|
case ZR_SYMBOL_TRIANGLE_UP:
|
|
case ZR_SYMBOL_TRIANGLE_DOWN:
|
|
case ZR_SYMBOL_TRIANGLE_LEFT:
|
|
case ZR_SYMBOL_TRIANGLE_RIGHT: {
|
|
enum zr_heading heading;
|
|
struct zr_vec2 points[3];
|
|
heading = (symbol == ZR_SYMBOL_TRIANGLE_RIGHT) ? ZR_RIGHT :
|
|
(symbol == ZR_SYMBOL_TRIANGLE_LEFT) ? ZR_LEFT:
|
|
(symbol == ZR_SYMBOL_TRIANGLE_UP) ? ZR_UP: ZR_DOWN;
|
|
zr_triangle_from_direction(points, content, 0, 0, heading);
|
|
zr_command_buffer_push_triangle(out, points[0].x, points[0].y,
|
|
points[1].x, points[1].y, points[2].x, points[2].y, foreground);
|
|
} break;
|
|
case ZR_SYMBOL_MAX:
|
|
default: break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
zr_widget_button(struct zr_command_buffer *o, struct zr_rect r,
|
|
const struct zr_button *b, const struct zr_input *i,
|
|
enum zr_button_behavior behavior, struct zr_rect *content)
|
|
{
|
|
int ret = zr_false;
|
|
struct zr_color background;
|
|
struct zr_vec2 pad;
|
|
ZR_ASSERT(b);
|
|
if (!o || !b)
|
|
return zr_false;
|
|
|
|
/* calculate button content space */
|
|
pad.x = b->padding.x + b->border_width;
|
|
pad.y = b->padding.y + b->border_width;
|
|
*content = zr_pad_rect(r, pad);
|
|
|
|
/* general button user input behavior */
|
|
background = b->normal;
|
|
if (zr_input_is_mouse_hovering_rect(i, r)) {
|
|
background = b->hover;
|
|
if (zr_input_is_mouse_down(i, ZR_BUTTON_LEFT))
|
|
background = b->active;
|
|
if (zr_input_has_mouse_click_in_rect(i, ZR_BUTTON_LEFT, r)) {
|
|
ret = (behavior != ZR_BUTTON_DEFAULT) ?
|
|
zr_input_is_mouse_down(i, ZR_BUTTON_LEFT):
|
|
zr_input_is_mouse_pressed(i, ZR_BUTTON_LEFT);
|
|
}
|
|
}
|
|
zr_command_buffer_push_rect(o, r, b->rounding, b->border);
|
|
zr_command_buffer_push_rect(o, zr_shrink_rect(r, b->border_width),
|
|
b->rounding, background);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
zr_widget_button_text(struct zr_command_buffer *o, struct zr_rect r,
|
|
const char *string, enum zr_button_behavior behavior,
|
|
const struct zr_button_text *b, const struct zr_input *i,
|
|
const struct zr_user_font *f)
|
|
{
|
|
struct zr_text t;
|
|
struct zr_rect content;
|
|
int ret = zr_false;
|
|
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(o);
|
|
ZR_ASSERT(string);
|
|
ZR_ASSERT(f);
|
|
if (!o || !b || !f)
|
|
return zr_false;
|
|
|
|
t.text = b->normal;
|
|
t.background = b->base.normal;
|
|
t.padding = zr_vec2(0,0);
|
|
ret = zr_widget_button(o, r, &b->base, i, behavior, &content);
|
|
if (zr_input_is_mouse_hovering_rect(i, r)) {
|
|
int is_down = zr_input_is_mouse_down(i, ZR_BUTTON_LEFT);
|
|
t.background = (is_down) ? b->base.active: b->base.hover;
|
|
t.text = (is_down) ? b->active : b->hover;
|
|
}
|
|
zr_widget_text(o, content, string, zr_strsiz(string), &t, b->alignment, f);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
zr_widget_button_symbol(struct zr_command_buffer *out, struct zr_rect r,
|
|
enum zr_symbol symbol, enum zr_button_behavior bh,
|
|
const struct zr_button_symbol *b, const struct zr_input *in,
|
|
const struct zr_user_font *font)
|
|
{
|
|
int ret;
|
|
struct zr_color background;
|
|
struct zr_color color;
|
|
struct zr_rect content;
|
|
|
|
ZR_ASSERT(b);
|
|
ZR_ASSERT(out);
|
|
if (!out || !b)
|
|
return zr_false;
|
|
|
|
ret = zr_widget_button(out, r, &b->base, in, bh, &content);
|
|
if (zr_input_is_mouse_hovering_rect(in, r)) {
|
|
int is_down = zr_input_is_mouse_down(in, ZR_BUTTON_LEFT);
|
|
background = (is_down) ? b->base.active : b->base.hover;
|
|
color = (is_down) ? b->active : b->hover;
|
|
} else {
|
|
background = b->base.normal;
|
|
color = b->normal;
|
|
}
|
|
zr_draw_symbol(out, symbol, content, background, color, b->base.border_width, font);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
zr_widget_button_image(struct zr_command_buffer *out, struct zr_rect r,
|
|
struct zr_image img, enum zr_button_behavior b,
|
|
const struct zr_button_icon *button, const struct zr_input *in)
|
|
{
|
|
int pressed;
|
|
struct zr_rect bounds;
|
|
ZR_ASSERT(button);
|
|
ZR_ASSERT(out);
|
|
if (!out || !button)
|
|
return zr_false;
|
|
|
|
pressed = zr_widget_button(out, r, &button->base, in, b, &bounds);
|
|
zr_command_buffer_push_image(out, bounds, &img);
|
|
return pressed;
|
|
}
|
|
|
|
static int
|
|
zr_widget_button_text_symbol(struct zr_command_buffer *out, struct zr_rect r,
|
|
enum zr_symbol symbol, const char *text, enum zr_text_align align,
|
|
enum zr_button_behavior behavior, const struct zr_button_text *button,
|
|
const struct zr_user_font *f, const struct zr_input *i)
|
|
{
|
|
int ret;
|
|
struct zr_rect tri = {0,0,0,0};
|
|
struct zr_color background, color;
|
|
ZR_ASSERT(button);
|
|
ZR_ASSERT(out);
|
|
if (!out || !button)
|
|
return zr_false;
|
|
|
|
ret = zr_widget_button_text(out, r, text, behavior, button, i, f);
|
|
if (zr_input_is_mouse_hovering_rect(i, r)) {
|
|
int is_down = zr_input_is_mouse_down(i, ZR_BUTTON_LEFT);
|
|
background = (is_down) ? button->base.active : button->base.hover;
|
|
color = (is_down) ? button->active : button->hover;
|
|
} else {
|
|
background = button->base.normal;
|
|
color = button->normal;
|
|
}
|
|
|
|
/* calculate symbol bounds */
|
|
tri.y = r.y + (r.h/2) - f->height/2;
|
|
tri.w = f->height; tri.h = f->height;
|
|
if (align == ZR_TEXT_LEFT) {
|
|
tri.x = (r.x + r.w) - (2 * button->base.padding.x + tri.w);
|
|
tri.x = MAX(tri.x, 0);
|
|
} else tri.x = r.x + 2 * button->base.padding.x;
|
|
zr_draw_symbol(out, symbol, tri, background, color, button->base.border_width, f);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
zr_widget_button_text_image(struct zr_command_buffer *out, struct zr_rect r,
|
|
struct zr_image img, const char* text, enum zr_button_behavior behavior,
|
|
const struct zr_button_text *button, const struct zr_user_font *f,
|
|
const struct zr_input *i)
|
|
{
|
|
int pressed;
|
|
struct zr_rect icon;
|
|
ZR_ASSERT(button);
|
|
ZR_ASSERT(out);
|
|
if (!out || !button)
|
|
return zr_false;
|
|
|
|
pressed = zr_widget_button_text(out, r, text, behavior, button, i, f);
|
|
icon.y = r.y + button->base.padding.y;
|
|
icon.w = icon.h = r.h - 2 * button->base.padding.y;
|
|
if (button->alignment == ZR_TEXT_LEFT) {
|
|
icon.x = (r.x + r.w) - (2 * button->base.padding.x + icon.w);
|
|
icon.x = MAX(icon.x, 0);
|
|
} else icon.x = r.x + 2 * button->base.padding.x;
|
|
zr_command_buffer_push_image(out, icon, &img);
|
|
return pressed;
|
|
}
|
|
|
|
/* ===============================================================
|
|
*
|
|
* TOGGLE
|
|
*
|
|
* ===============================================================*/
|
|
enum zr_toggle_type {
|
|
ZR_TOGGLE_CHECK,
|
|
ZR_TOGGLE_OPTION
|
|
};
|
|
|
|
struct zr_toggle {
|
|
float rounding;
|
|
struct zr_vec2 padding;
|
|
struct zr_color font;
|
|
struct zr_color background;
|
|
struct zr_color normal;
|
|
struct zr_color hover;
|
|
struct zr_color cursor;
|
|
};
|
|
|
|
static void
|
|
zr_widget_toggle(struct zr_command_buffer *out, struct zr_rect r,
|
|
int *active, const char *string, enum zr_toggle_type type,
|
|
const struct zr_toggle *toggle, const struct zr_input *in,
|
|
const struct zr_user_font *font)
|
|
{
|
|
int toggle_active;
|
|
struct zr_rect select;
|
|
struct zr_rect cursor;
|
|
float cursor_pad;
|
|
struct zr_color col;
|
|
|
|
ZR_ASSERT(toggle);
|
|
ZR_ASSERT(out);
|
|
ZR_ASSERT(font);
|
|
if (!out || !toggle || !font || !active)
|
|
return;
|
|
|
|
/* make sure correct values */
|
|
r.w = MAX(r.w, font->height + 2 * toggle->padding.x);
|
|
r.h = MAX(r.h, font->height + 2 * toggle->padding.y);
|
|
toggle_active = *active;
|
|
|
|
/* calculate the size of the complete toggle */
|
|
select.w = MIN(r.h, font->height + toggle->padding.y);
|
|
select.h = select.w;
|
|
select.x = r.x + toggle->padding.x;
|
|
select.y = (r.y + toggle->padding.y + (select.w / 2)) - (font->height / 2);
|
|
|
|
/* calculate the bounds of the cursor inside the toggle */
|
|
cursor_pad = (type == ZR_TOGGLE_OPTION) ?
|
|
(float)(int)(select.w / 4):
|
|
(float)(int)(select.h / 6);
|
|
|
|
select.h = MAX(select.w, cursor_pad * 2);
|
|
cursor.h = select.h - cursor_pad * 2;
|
|
cursor.w = cursor.h;
|
|
cursor.x = select.x + cursor_pad;
|
|
cursor.y = select.y + cursor_pad;
|
|
|
|
/* update toggle state with user input */
|
|
toggle_active = zr_input_mouse_clicked(in, ZR_BUTTON_LEFT, cursor) ?
|
|
!toggle_active : toggle_active;
|
|
if (in && zr_input_is_mouse_hovering_rect(in, cursor))
|
|
col = toggle->hover;
|
|
else col = toggle->normal;
|
|
|
|
/* draw radiobutton/checkbox background */
|
|
if (type == ZR_TOGGLE_CHECK)
|
|
zr_command_buffer_push_rect(out, select , toggle->rounding, col);
|
|
else zr_command_buffer_push_circle(out, select, col);
|
|
|
|
/* draw radiobutton/checkbox cursor if active */
|
|
if (toggle_active) {
|
|
if (type == ZR_TOGGLE_CHECK)
|
|
zr_command_buffer_push_rect(out, cursor, toggle->rounding, toggle->cursor);
|
|
else zr_command_buffer_push_circle(out, cursor, toggle->cursor);
|
|
}
|
|
|
|
/* draw toggle text */
|
|
if (font && string) {
|
|
struct zr_text text;
|
|
struct zr_rect inner;
|
|
|
|
/* calculate text bounds */
|
|
inner.x = r.x + select.w + toggle->padding.x * 2;
|
|
inner.y = select.y;
|
|
inner.w = MAX(r.x + r.w, inner.x + toggle->padding.x);
|
|
inner.w -= (inner.x + toggle->padding.x);
|
|
inner.h = select.w;
|
|
|
|
/* draw text */
|
|
text.padding.x = 0;
|
|
text.padding.y = 0;
|
|
text.background = toggle->cursor;
|
|
text.text = toggle->font;
|
|
zr_widget_text(out, inner, string, zr_strsiz(string), &text, ZR_TEXT_LEFT, font);
|
|
}
|
|
*active = toggle_active;
|
|
}
|
|
|
|
/* ===============================================================
|
|
*
|
|
* SLIDER
|
|
*
|
|
* ===============================================================*/
|
|
struct zr_progress {
|
|
float rounding;
|
|
struct zr_vec2 padding;
|
|
struct zr_color border;
|
|
struct zr_color background;
|
|
struct zr_color normal;
|
|
struct zr_color hover;
|
|
struct zr_color active;
|
|
};
|
|
|
|
struct zr_slider {
|
|
struct zr_vec2 padding;
|
|
struct zr_color border;
|
|
struct zr_color bg;
|
|
struct zr_color normal;
|
|
struct zr_color hover;
|
|
struct zr_color active;
|
|
float rounding;
|
|
};
|
|
|
|
struct zr_drag {
|
|
struct zr_vec2 padding;
|
|
struct zr_color border;
|
|
struct zr_color normal;
|
|
struct zr_color hover;
|
|
struct zr_color active;
|
|
struct zr_color text;
|
|
struct zr_color text_active;
|
|
float border_width;
|
|
};
|
|
|
|
static float
|
|
zr_widget_slider(struct zr_command_buffer *out, struct zr_rect slider,
|
|
float min, float val, float max, float step,
|
|
const struct zr_slider *s, const struct zr_input *in)
|
|
{
|
|
float slider_range;
|
|
float slider_min, slider_max;
|
|
float slider_value, slider_steps;
|
|
float cursor_offset;
|
|
struct zr_rect cursor;
|
|
struct zr_rect bar;
|
|
struct zr_color col;
|
|
int inslider;
|
|
int incursor;
|
|
|
|
ZR_ASSERT(s);
|
|
ZR_ASSERT(out);
|
|
if (!out || !s)
|
|
return 0;
|
|
|
|
/* make sure the provided values are correct */
|
|
slider.x = slider.x + s->padding.x;
|
|
slider.y = slider.y + s->padding.y;
|
|
slider.h = MAX(slider.h, 2 * s->padding.y);
|
|
slider.w = MAX(slider.w, 1 + slider.h + 2 * s->padding.x);
|
|
slider.h -= 2 * s->padding.y;
|
|
slider.w -= 2 * s->padding.y;
|
|
slider_max = MAX(min, max);
|
|
slider_min = MIN(min, max);
|
|
slider_value = CLAMP(slider_min, val, slider_max);
|
|
slider_range = slider_max - slider_min;
|
|
slider_steps = slider_range / step;
|
|
|
|
/* calculate slider virtual cursor bounds */
|
|
cursor_offset = (slider_value - slider_min) / step;
|
|
cursor.h = slider.h;
|
|
cursor.w = slider.w / (slider_steps + 1);
|
|
cursor.x = slider.x + (cursor.w * cursor_offset);
|
|
cursor.y = slider.y;
|
|
|
|
/* calculate slider background bar bounds */
|
|
bar.x = slider.x;
|
|
bar.y = (slider.y + cursor.h/2) - cursor.h/8;
|
|
bar.w = slider.w;
|
|
bar.h = slider.h/4;
|
|
|
|
/* updated the slider value by user input */
|
|
inslider = in && zr_input_is_mouse_hovering_rect(in, slider);
|
|
incursor = in && zr_input_has_mouse_click_down_in_rect(in, ZR_BUTTON_LEFT, slider, zr_true);
|
|
col = (inslider) ? s->hover: s->normal;
|
|
|
|
if (in && inslider && incursor)
|
|
{
|
|
const float d = in->mouse.pos.x - (cursor.x + cursor.w / 2.0f);
|
|
const float pxstep = (slider.w - (2 * s->padding.x)) / slider_steps;
|
|
/* only update value if the next slider step is reached */
|
|
col = s->active;
|
|
if (ZR_ABS(d) >= pxstep) {
|
|
const float steps = (float)((int)(ZR_ABS(d) / pxstep));
|
|
slider_value += (d > 0) ? (step * steps) : -(step * steps);
|
|
slider_value = CLAMP(slider_min, slider_value, slider_max);
|
|
cursor.x = slider.x + (cursor.w * ((slider_value - slider_min) / step));
|
|
}
|
|
}
|
|
|
|
{
|
|
struct zr_rect fill;
|
|
cursor.w = cursor.h;
|
|
cursor.x = (slider_value <= slider_min) ? cursor.x:
|
|
(slider_value >= slider_max) ? ((bar.x + bar.w) - cursor.w) :
|
|
cursor.x - (cursor.w/2);
|
|
|
|
fill.x = bar.x;
|
|
fill.y = bar.y;
|
|
fill.w = (cursor.x + (cursor.w/2.0f)) - bar.x;
|
|
fill.h = bar.h;
|
|
|
|
/* draw slider with background and circle cursor*/
|
|
zr_command_buffer_push_rect(out, bar, 0, s->bg);
|
|
zr_command_buffer_push_rect(out, fill, 0, col);
|
|
zr_command_buffer_push_circle(out, cursor, col);
|
|
}
|
|
return slider_value;
|
|
}
|
|
|
|
static float
|
|
zr_widget_drag(struct zr_command_buffer *out, struct zr_rect drag,
|
|
float min, float val, float max,
|
|
float inc_per_pixel, const struct zr_drag *d,
|
|
const struct zr_input *in, const struct zr_user_font *f)
|
|
{
|
|
struct zr_text t;
|
|
struct zr_color background;
|
|
|
|
float drag_min, drag_max;
|
|
float drag_value;
|
|
char string[ZR_MAX_NUMBER_BUFFER];
|
|
zr_size len;
|
|
|
|
int left_mouse_down;
|
|
int left_mouse_click_in_cursor;
|
|
|
|
ZR_ASSERT(d);
|
|
ZR_ASSERT(out);
|
|
ZR_ASSERT(f);
|
|
if (!out || !d)
|
|
return 0;
|
|
|
|
/* make sure the provided values are correct */
|
|
drag.x = drag.x + d->padding.x;
|
|
drag.y = drag.y + d->padding.y;
|
|
drag.h = MAX(drag.h, 2 * d->padding.y);
|
|
drag.w = MAX(drag.w, 1 + drag.h + 2 * d->padding.x);
|
|
drag.h -= 2 * d->padding.y;
|
|
drag.w -= 2 * d->padding.y;
|
|
drag_max = MAX(min, max);
|
|
drag_min = MIN(min, max);
|
|
drag_value = CLAMP(drag_min, val, drag_max);
|
|
|
|
/* update value user input */
|
|
left_mouse_down = in && in->mouse.buttons[ZR_BUTTON_LEFT].down;
|
|
left_mouse_click_in_cursor = in && zr_input_has_mouse_click_down_in_rect(in,
|
|
ZR_BUTTON_LEFT, drag, zr_true);
|
|
|
|
t.text = d->text;
|
|
background = d->normal;
|
|
if (zr_input_is_mouse_hovering_rect(in, drag))
|
|
background = d->hover;
|
|
|
|
if (left_mouse_down && left_mouse_click_in_cursor) {
|
|
float delta, pixels;
|
|
background = d->active;
|
|
t.text = d->text_active;
|
|
|
|
pixels = in->mouse.delta.x;
|
|
delta = pixels * inc_per_pixel;
|
|
drag_value += delta;
|
|
drag_value = CLAMP(drag_min, drag_value, drag_max);
|
|
}
|
|
|
|
/* draw border + background */
|
|
zr_command_buffer_push_rect(out, drag, 0, d->border);
|
|
drag = zr_shrink_rect(drag, d->border_width);
|
|
zr_command_buffer_push_rect(out, drag, 0, background);
|
|
|
|
/* draw value as text */
|
|
t.background = background;
|
|
t.padding = zr_vec2(0,0);
|
|
zr_dtos(string, drag_value);
|
|
len = zr_string_float_limit(string, ZR_MAX_FLOAT_PRECISION);
|
|
zr_widget_text(out, drag, string, len, &t, ZR_TEXT_CENTERED, f);
|
|
return drag_value;
|
|
}
|
|
|
|
static zr_size
|
|
zr_widget_progress(struct zr_command_buffer *out, struct zr_rect r,
|
|
zr_size value, zr_size max, int modifyable,
|
|
const struct zr_progress *prog, const struct zr_input *in)
|
|
{
|
|
float prog_scale;
|
|
zr_size prog_value;
|
|
struct zr_color col;
|
|
|
|
ZR_ASSERT(prog);
|
|
ZR_ASSERT(out);
|
|
if (!out || !prog) return 0;
|
|
|
|
/* make sure given values are correct */
|
|
r.w = MAX(r.w, 2 * prog->padding.x + 5);
|
|
r.h = MAX(r.h, 2 * prog->padding.y + 5);
|
|
r = zr_pad_rect(r, zr_vec2(prog->padding.x, prog->padding.y));
|
|
prog_value = MIN(value, max);
|
|
|
|
/* update progress by user input if modifyable */
|
|
if (in && modifyable && zr_input_is_mouse_hovering_rect(in, r)) {
|
|
if (zr_input_is_mouse_down(in, ZR_BUTTON_LEFT)) {
|
|
float ratio = (float)(in->mouse.pos.x - r.x) / (float)r.w;
|
|
prog_value = (zr_size)((float)max * ratio);
|
|
col = prog->active;
|
|
} else col = prog->hover;
|
|
} else col = prog->normal;
|
|
|
|
/* make sure calculated values are correct */
|
|
if (!max) return prog_value;
|
|
prog_value = MIN(prog_value, max);
|
|
prog_scale = (float)prog_value / (float)max;
|
|
|
|
/* draw progressbar with background and cursor */
|
|
zr_command_buffer_push_rect(out, r, prog->rounding, prog->background);
|
|
r.w = (r.w - 2) * prog_scale;
|
|
zr_command_buffer_push_rect(out, r, prog->rounding, col);
|
|
return prog_value;
|
|
}
|
|
|
|
/* ===============================================================
|
|
*
|
|
* EDIT
|
|
*
|
|
* ===============================================================*/
|
|
struct zr_edit {
|
|
float border_size;
|
|
float rounding;
|
|
struct zr_vec2 padding;
|
|
int show_cursor;
|
|
struct zr_color background;
|
|
struct zr_color border;
|
|
struct zr_color cursor;
|
|
struct zr_color text;
|
|
};
|
|
|
|
static void
|
|
zr_widget_editbox(struct zr_command_buffer *out, struct zr_rect r,
|
|
struct zr_edit_box *box, const struct zr_edit *field,
|
|
const struct zr_input *in, const struct zr_user_font *font)
|
|
{
|
|
char *buffer;
|
|
zr_size len;
|
|
ZR_ASSERT(out);
|
|
ZR_ASSERT(font);
|
|
ZR_ASSERT(field);
|
|
if (!out || !box || !field)
|
|
return;
|
|
|
|
r.w = MAX(r.w, 2 * field->padding.x + 2 * field->border_size);
|
|
r.h = MAX(r.h, font->height + (2 * field->padding.y + 2 * field->border_size));
|
|
len = zr_edit_box_len_char(box);
|
|
buffer = zr_edit_box_get(box);
|
|
|
|
/* draw editbox background and border */
|
|
zr_command_buffer_push_rect(out, r, field->rounding, field->border);
|
|
zr_command_buffer_push_rect(out, zr_shrink_rect(r, field->border_size),
|
|
field->rounding, field->background);
|
|
|
|
/* check if the editbox is activated/deactivated */
|
|
if (in && in->mouse.buttons[ZR_BUTTON_LEFT].clicked &&
|
|
in->mouse.buttons[ZR_BUTTON_LEFT].down)
|
|
box->active = ZR_INBOX(in->mouse.pos.x,in->mouse.pos.y,r.x,r.y,r.w,r.h);
|
|
|
|
/* input handling */
|
|
if (box->active && in) {
|
|
zr_size min = MIN(box->sel.end, box->sel.begin);
|
|
zr_size maxi = MAX(box->sel.end, box->sel.begin);
|
|
zr_size diff = maxi - min;
|
|
|
|
/* text manipulation */
|
|
if (zr_input_is_key_pressed(in,ZR_KEY_DEL) ||
|
|
zr_input_is_key_pressed(in,ZR_KEY_BACKSPACE))
|
|
zr_edit_box_remove(box);
|
|
if (in->keyboard.text_len) {
|
|
if (diff && box->cursor != box->glyphes) {
|
|
/* replace text selection */
|
|
zr_edit_box_remove(box);
|
|
box->cursor = min;
|
|
zr_edit_box_buffer_input(box, in);
|
|
box->sel.begin = box->cursor;
|
|
box->sel.end = box->cursor;
|
|
} else{
|
|
/* append text into the buffer */
|
|
zr_edit_box_buffer_input(box, in);
|
|
box->sel.begin = box->cursor;
|
|
box->sel.end = box->cursor;
|
|
}
|
|
}
|
|
|
|
/* cursor key movement */
|
|
if (zr_input_is_key_pressed(in, ZR_KEY_LEFT)) {
|
|
box->cursor = (zr_size)MAX(0, (int)(box->cursor - 1));
|
|
box->sel.begin = box->cursor;
|
|
box->sel.end = box->cursor;
|
|
}
|
|
if (zr_input_is_key_pressed(in, ZR_KEY_RIGHT) && box->cursor < box->glyphes) {
|
|
box->cursor = MIN((!box->glyphes) ? 0 : box->glyphes, box->cursor + 1);
|
|
box->sel.begin = box->cursor;
|
|
box->sel.end = box->cursor;
|
|
}
|
|
|
|
/* copy & cut & paste functionatlity */
|
|
if (zr_input_is_key_pressed(in, ZR_KEY_PASTE) && box->clip.paste)
|
|
box->clip.paste(box->clip.userdata, box);
|
|
if ((zr_input_is_key_pressed(in, ZR_KEY_COPY) && box->clip.copy) ||
|
|
(zr_input_is_key_pressed(in, ZR_KEY_CUT) && box->clip.copy)) {
|
|
if (diff && box->cursor != box->glyphes) {
|
|
/* copy or cut text selection */
|
|
zr_size l;
|
|
zr_rune unicode;
|
|
char *begin, *end;
|
|
begin = zr_edit_buffer_at(&box->buffer, (int)min, &unicode, &l);
|
|
end = zr_edit_buffer_at(&box->buffer, (int)maxi, &unicode, &l);
|
|
box->clip.copy(box->clip.userdata, begin, (zr_size)(end - begin));
|
|
if (zr_input_is_key_pressed(in, ZR_KEY_CUT))
|
|
zr_edit_box_remove(box);
|
|
} else {
|
|
/* copy or cut complete buffer */
|
|
box->clip.copy(box->clip.userdata, buffer, len);
|
|
if (zr_input_is_key_pressed(in, ZR_KEY_CUT))
|
|
zr_edit_box_clear(box);
|
|
}
|
|
|
|
}
|
|
}
|
|
{
|
|
/* text management */
|
|
struct zr_rect label;
|
|
zr_size cursor_w = font->width(font->userdata,font->height,(const char*)"X", 1);
|
|
zr_size text_len = len;
|
|
zr_size glyph_off = 0;
|
|
zr_size glyph_cnt = 0;
|
|
zr_size offset = 0;
|
|
float text_width = 0;
|
|
|
|
/* calculate text frame */
|
|
label.w = MAX(r.w, - 2 * field->padding.x - 2 * field->border_size);
|
|
label.w -= 2 * field->padding.x - 2 * field->border_size;
|
|
{
|
|
zr_size frames = 0;
|
|
zr_size glyphes = 0;
|
|
zr_size frame_len = 0;
|
|
float space = MAX(label.w, (float)cursor_w);
|
|
space -= (float)cursor_w;
|
|
while (text_len) {
|
|
frames++;
|
|
offset += frame_len;
|
|
frame_len = zr_user_font_glyphes_fitting_in_space(font,
|
|
&buffer[offset], text_len, space, &glyphes, &text_width);
|
|
glyph_off += glyphes;
|
|
if (glyph_off > box->cursor)
|
|
break;
|
|
text_len -= frame_len;
|
|
}
|
|
text_len = frame_len;
|
|
glyph_cnt = glyphes;
|
|
glyph_off = (frames <= 1) ? 0 : (glyph_off - glyphes);
|
|
offset = (frames <= 1) ? 0 : offset;
|
|
}
|
|
|
|
/* set cursor by mouse click and handle text selection */
|
|
if (in && field->show_cursor && in->mouse.buttons[ZR_BUTTON_LEFT].down && box->active) {
|
|
const char *visible = &buffer[offset];
|
|
float xoff = in->mouse.pos.x - (r.x + field->padding.x + field->border_size);
|
|
if (ZR_INBOX(in->mouse.pos.x, in->mouse.pos.y, r.x, r.y, r.w, r.h))
|
|
{
|
|
/* text selection in the current text frame */
|
|
zr_size glyph_index;
|
|
zr_size glyph_pos=zr_user_font_glyph_index_at_pos(font,visible,text_len,xoff);
|
|
if (glyph_cnt + glyph_off >= box->glyphes)
|
|
glyph_index = glyph_off + MIN(glyph_pos, glyph_cnt);
|
|
else glyph_index = glyph_off + MIN(glyph_pos, glyph_cnt-1);
|
|
|
|
if (text_len)
|
|
zr_edit_box_set_cursor(box, glyph_index);
|
|
if (!box->sel.active) {
|
|
box->sel.active = zr_true;
|
|
box->sel.begin = glyph_index;
|
|
box->sel.end = box->sel.begin;
|
|
} else {
|
|
if (box->sel.begin > glyph_index) {
|
|
box->sel.end = glyph_index;
|
|
box->sel.active = zr_true;
|
|
}
|
|
}
|
|
} else if (!ZR_INBOX(in->mouse.pos.x,in->mouse.pos.y,r.x,r.y,r.w,r.h) &&
|
|
ZR_INBOX(in->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.x,
|
|
in->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.y,r.x,r.y,r.w,r.h)
|
|
&& box->cursor != box->glyphes && box->cursor > 0)
|
|
{
|
|
/* text selection out of the current text frame */
|
|
zr_size glyph = ((in->mouse.pos.x > r.x) &&
|
|
box->cursor+1 < box->glyphes) ?
|
|
box->cursor+1: box->cursor-1;
|
|
zr_edit_box_set_cursor(box, glyph);
|
|
if (box->sel.active) {
|
|
box->sel.end = glyph;
|
|
box->sel.active = zr_true;
|
|
}
|
|
} else box->sel.active = zr_false;
|
|
} else box->sel.active = zr_false;
|
|
|
|
/* calculate the text bounds */
|
|
label.x = r.x + field->padding.x + field->border_size;
|
|
label.y = r.y + field->padding.y + field->border_size;
|
|
label.h = r.h - (2 * field->padding.y + 2 * field->border_size);
|
|
zr_command_buffer_push_text(out , label, &buffer[offset], text_len,
|
|
font, field->background, field->text);
|
|
|
|
/* draw selected text */
|
|
if (box->active && field->show_cursor) {
|
|
if (box->cursor == box->glyphes) {
|
|
/* draw the cursor at the end of the string */
|
|
zr_command_buffer_push_rect(out, zr_rect(label.x+(float)text_width,
|
|
label.y, (float)cursor_w, label.h), 0, field->cursor);
|
|
} else {
|
|
/* draw text selection */
|
|
zr_size l = 0, s;
|
|
zr_rune unicode;
|
|
char *begin, *end;
|
|
zr_size off_begin, off_end;
|
|
zr_size min = MIN(box->sel.end, box->sel.begin);
|
|
zr_size maxi = MAX(box->sel.end, box->sel.begin);
|
|
struct zr_rect clip = out->clip;
|
|
|
|
/* calculate selection text range */
|
|
begin = zr_edit_buffer_at(&box->buffer, (int)min, &unicode, &l);
|
|
end = zr_edit_buffer_at(&box->buffer, (int)maxi, &unicode, &l);
|
|
off_begin = (zr_size)(begin - (char*)box->buffer.memory.ptr);
|
|
off_end = (zr_size)(end - (char*)box->buffer.memory.ptr);
|
|
|
|
/* calculate selected text width */
|
|
zr_command_buffer_push_scissor(out, label);
|
|
s = font->width(font->userdata, font->height, buffer + offset, off_begin - offset);
|
|
label.x += (float)s;
|
|
s = font->width(font->userdata, font->height, begin, MAX(l, off_end - off_begin));
|
|
label.w = (float)s;
|
|
|
|
/* draw selected text */
|
|
zr_command_buffer_push_text(out , label, begin,
|
|
MAX(l, off_end - off_begin), font, field->cursor, field->background);
|
|
zr_command_buffer_push_scissor(out, clip);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static zr_size
|
|
zr_widget_edit_filtered(struct zr_command_buffer *out, struct zr_rect r,
|
|
char *buffer, zr_size len, zr_size max, int *active,
|
|
zr_size *cursor, const struct zr_edit *field, zr_filter filter,
|
|
const struct zr_input *in, const struct zr_user_font *font)
|
|
{
|
|
struct zr_edit_box box;
|
|
zr_edit_box_init_fixed(&box, buffer, max, 0, filter);
|
|
|
|
box.buffer.allocated = len;
|
|
box.active = *active;
|
|
box.glyphes = zr_utf_len(buffer, len);
|
|
if (!cursor) {
|
|
box.cursor = box.glyphes;
|
|
} else{
|
|
box.cursor = MIN(*cursor, box.glyphes);
|
|
box.sel.begin = box.cursor;
|
|
box.sel.end = box.cursor;
|
|
}
|
|
|
|
zr_widget_editbox(out, r, &box, field, in, font);
|
|
*active = box.active;
|
|
if (cursor)
|
|
*cursor = box.cursor;
|
|
return zr_edit_box_len_char(&box);
|
|
}
|
|
|
|
int zr_filter_default(zr_rune unicode)
|
|
{(void)unicode;return zr_true;}
|
|
|
|
int
|
|
zr_filter_ascii(zr_rune unicode)
|
|
{
|
|
if (unicode > 128) return zr_false;
|
|
else return zr_true;
|
|
}
|
|
|
|
int
|
|
zr_filter_float(zr_rune unicode)
|
|
{
|
|
if ((unicode < '0' || unicode > '9') && unicode != '.' && unicode != '-')
|
|
return zr_false;
|
|
else return zr_true;
|
|
}
|
|
|
|
int
|
|
zr_filter_decimal(zr_rune unicode)
|
|
{
|
|
if (unicode < '0' || unicode > '9')
|
|
return zr_false;
|
|
else return zr_true;
|
|
}
|
|
|
|
int
|
|
zr_filter_hex(zr_rune unicode)
|
|
{
|
|
if ((unicode < '0' || unicode > '9') &&
|
|
(unicode < 'a' || unicode > 'f') &&
|
|
(unicode < 'A' || unicode > 'F'))
|
|
return zr_false;
|
|
else return zr_true;
|
|
}
|
|
|
|
int
|
|
zr_filter_oct(zr_rune unicode)
|
|
{
|
|
if (unicode < '0' || unicode > '7')
|
|
return zr_false;
|
|
else return zr_true;
|
|
}
|
|
|
|
int
|
|
zr_filter_binary(zr_rune unicode)
|
|
{
|
|
if (unicode < '0' || unicode > '1')
|
|
return zr_false;
|
|
else return zr_true;
|
|
}
|
|
|
|
static zr_size
|
|
zr_widget_edit(struct zr_command_buffer *out, struct zr_rect r,
|
|
char *buffer, zr_size len, zr_size max, int *active,
|
|
zr_size *cursor, const struct zr_edit *field, enum zr_input_filter f,
|
|
const struct zr_input *in, const struct zr_user_font *font)
|
|
{
|
|
static const zr_filter filter[] = {
|
|
zr_filter_default,
|
|
zr_filter_ascii,
|
|
zr_filter_float,
|
|
zr_filter_decimal,
|
|
zr_filter_hex,
|
|
zr_filter_oct,
|
|
zr_filter_binary,
|
|
};
|
|
return zr_widget_edit_filtered(out, r, buffer, len, max, active,
|
|
cursor, field, filter[f], in, font);
|
|
}
|
|
|
|
/* ===============================================================
|
|
*
|
|
* SCROLLBAR
|
|
*
|
|
* ===============================================================*/
|
|
struct zr_scrollbar {
|
|
float rounding;
|
|
struct zr_color border;
|
|
struct zr_color background;
|
|
struct zr_color normal;
|
|
struct zr_color hover;
|
|
struct zr_color active;
|
|
int has_scrolling;
|
|
};
|
|
|
|
static float
|
|
zr_widget_scrollbarv(struct zr_command_buffer *out, struct zr_rect scroll,
|
|
float offset, float target, float step, const struct zr_scrollbar *s,
|
|
struct zr_input *i)
|
|
{
|
|
struct zr_rect cursor;
|
|
float scroll_step;
|
|
float scroll_offset;
|
|
float scroll_off, scroll_ratio;
|
|
struct zr_color col;
|
|
|
|
ZR_ASSERT(out);
|
|
ZR_ASSERT(s);
|
|
if (!out || !s) return 0;
|
|
|
|
/* scrollbar background */
|
|
scroll.w = MAX(scroll.w, 1);
|
|
scroll.h = MAX(scroll.h, 2 * scroll.w);
|
|
if (target <= scroll.h) return 0;
|
|
|
|
/* calculate scrollbar constants */
|
|
scroll.h = scroll.h - 2 * scroll.w;
|
|
scroll.y = scroll.y + scroll.w;
|
|
scroll_step = MIN(step, scroll.h);
|
|
scroll_offset = MIN(offset, target - scroll.h);
|
|
scroll_ratio = scroll.h / target;
|
|
scroll_off = scroll_offset / target;
|
|
|
|
/* calculate scrollbar cursor bounds */
|
|
cursor.h = (scroll_ratio * scroll.h - 2);
|
|
cursor.y = scroll.y + (scroll_off * scroll.h) + 1;
|
|
cursor.w = scroll.w - 2;
|
|
cursor.x = scroll.x + 1;
|
|
|
|
col = s->normal;
|
|
if (i) {
|
|
int left_mouse_down, left_mouse_click_in_cursor;
|
|
left_mouse_down = i->mouse.buttons[ZR_BUTTON_LEFT].down;
|
|
left_mouse_click_in_cursor = zr_input_has_mouse_click_down_in_rect(i,
|
|
ZR_BUTTON_LEFT, cursor, zr_true);
|
|
if (zr_input_is_mouse_hovering_rect(i, cursor))
|
|
col = s->hover;
|
|
|
|
if (left_mouse_down && left_mouse_click_in_cursor) {
|
|
/* update cursor by mouse dragging */
|
|
const float pixel = i->mouse.delta.y;
|
|
const float delta = (pixel / scroll.h) * target;
|
|
scroll_offset = CLAMP(0, scroll_offset + delta, target - scroll.h);
|
|
col = s->active;
|
|
/* This is probably one of my most distgusting hacks I have ever done.
|
|
* This basically changes the mouse clicked position with the moving
|
|
* cursor. This allows for better scroll behavior but resulted into me
|
|
* having to remove const correctness for input. But in the end I believe
|
|
* it is worth it. */
|
|
i->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.y += i->mouse.delta.y;
|
|
} else if (s->has_scrolling && ((i->mouse.scroll_delta<0) || (i->mouse.scroll_delta>0))) {
|
|
/* update cursor by mouse scrolling */
|
|
scroll_offset = scroll_offset + scroll_step * (-i->mouse.scroll_delta);
|
|
scroll_offset = CLAMP(0, scroll_offset, target - scroll.h);
|
|
}
|
|
scroll_off = scroll_offset / target;
|
|
cursor.y = scroll.y + (scroll_off * scroll.h);
|
|
}
|
|
|
|
/* draw scrollbar cursor */
|
|
zr_command_buffer_push_rect(out, zr_shrink_rect(scroll,1), s->rounding, s->border);
|
|
zr_command_buffer_push_rect(out, scroll, s->rounding, s->background);
|
|
zr_command_buffer_push_rect(out, cursor, s->rounding, col);
|
|
return scroll_offset;
|
|
}
|
|
|
|
static float
|
|
zr_widget_scrollbarh(struct zr_command_buffer *out, struct zr_rect scroll,
|
|
float offset, float target, float step, const struct zr_scrollbar *s,
|
|
struct zr_input *i)
|
|
{
|
|
struct zr_rect cursor;
|
|
float scroll_step;
|
|
float scroll_offset;
|
|
float scroll_off, scroll_ratio;
|
|
struct zr_color col;
|
|
|
|
ZR_ASSERT(out);
|
|
ZR_ASSERT(s);
|
|
if (!out || !s) return 0;
|
|
|
|
/* scrollbar background */
|
|
scroll.h = MAX(scroll.h, 1);
|
|
scroll.w = MAX(scroll.w, 2 * scroll.h);
|
|
if (target <= scroll.w) return 0;
|
|
|
|
/* calculate scrollbar constants */
|
|
scroll_step = MIN(step, scroll.w);
|
|
scroll_offset = MIN(offset, target - scroll.w);
|
|
scroll_ratio = scroll.w / target;
|
|
scroll_off = scroll_offset / target;
|
|
|
|
/* calculate scrollbar cursor bounds */
|
|
cursor.w = scroll_ratio * scroll.w - 2;
|
|
cursor.x = scroll.x + (scroll_off * scroll.w) + 1;
|
|
cursor.h = scroll.h - 2;
|
|
cursor.y = scroll.y + 1;
|
|
|
|
col = s->normal;
|
|
if (i) {
|
|
int left_mouse_down, left_mouse_click_in_cursor;
|
|
left_mouse_down = i->mouse.buttons[ZR_BUTTON_LEFT].down;
|
|
left_mouse_click_in_cursor = zr_input_has_mouse_click_down_in_rect(i,
|
|
ZR_BUTTON_LEFT, cursor, zr_true);
|
|
if (zr_input_is_mouse_hovering_rect(i, cursor))
|
|
col = s->hover;
|
|
|
|
if (left_mouse_down && left_mouse_click_in_cursor) {
|
|
/* update cursor by mouse dragging */
|
|
const float pixel = i->mouse.delta.x;
|
|
const float delta = (pixel / scroll.w) * target;
|
|
scroll_offset = CLAMP(0, scroll_offset + delta, target - scroll.w);
|
|
col = s->active;
|
|
i->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.x += i->mouse.delta.x;
|
|
} else if (s->has_scrolling && ((i->mouse.scroll_delta<0) || (i->mouse.scroll_delta>0))) {
|
|
/* update cursor by mouse scrolling */
|
|
scroll_offset = scroll_offset + scroll_step * (-i->mouse.scroll_delta);
|
|
scroll_offset = CLAMP(0, scroll_offset, target - scroll.w);
|
|
}
|
|
scroll_off = scroll_offset / target;
|
|
cursor.x = scroll.x + (scroll_off * scroll.w);
|
|
}
|
|
|
|
/* draw scrollbar cursor */
|
|
zr_command_buffer_push_rect(out, zr_shrink_rect(scroll,1), s->rounding, s->border);
|
|
zr_command_buffer_push_rect(out, scroll, s->rounding, s->background);
|
|
zr_command_buffer_push_rect(out, cursor, s->rounding, col);
|
|
return scroll_offset;
|
|
}
|
|
|
|
/* ===============================================================
|
|
*
|
|
* SPINNER
|
|
*
|
|
* ===============================================================*/
|
|
struct zr_spinner {
|
|
struct zr_button_symbol button;
|
|
struct zr_color color;
|
|
struct zr_color border;
|
|
struct zr_color text;
|
|
struct zr_vec2 padding;
|
|
int show_cursor;
|
|
};
|
|
|
|
static int
|
|
zr_widget_spinner_base(struct zr_command_buffer *out, struct zr_rect r,
|
|
const struct zr_spinner *s, char *buffer, zr_size *len,
|
|
enum zr_input_filter filter, int *active,
|
|
const struct zr_input *in, const struct zr_user_font *font)
|
|
{
|
|
int ret = 0;
|
|
struct zr_rect bounds;
|
|
struct zr_edit field;
|
|
int button_up_clicked, button_down_clicked;
|
|
int is_active = (active) ? *active : zr_false;
|
|
|
|
r.h = MAX(r.h, font->height + 2 * s->padding.x);
|
|
r.w = MAX(r.w, r.h - (s->padding.x + (float)s->button.base.border_width * 2));
|
|
|
|
/* up/down button setup and execution */
|
|
bounds.y = r.y;
|
|
bounds.h = r.h / 2;
|
|
bounds.w = r.h - s->padding.x;
|
|
bounds.x = r.x + r.w - bounds.w;
|
|
button_up_clicked = zr_widget_button_symbol(out, bounds, ZR_SYMBOL_TRIANGLE_UP,
|
|
ZR_BUTTON_DEFAULT, &s->button, in, font);
|
|
if (button_up_clicked) ret = 1;
|
|
|
|
bounds.y = r.y + bounds.h;
|
|
button_down_clicked = zr_widget_button_symbol(out, bounds, ZR_SYMBOL_TRIANGLE_DOWN,
|
|
ZR_BUTTON_DEFAULT, &s->button, in, font);
|
|
if (button_down_clicked)
|
|
ret = -1;
|
|
|
|
/* editbox setup and execution */
|
|
bounds.x = r.x;
|
|
bounds.y = r.y;
|
|
bounds.h = r.h;
|
|
bounds.w = r.w - (r.h - s->padding.x);
|
|
|
|
field.border_size = 1;
|
|
field.rounding = 0;
|
|
field.padding.x = s->padding.x;
|
|
field.padding.y = s->padding.y;
|
|
field.show_cursor = s->show_cursor;
|
|
field.background = s->color;
|
|
field.border = s->border;
|
|
field.text = s->text;
|
|
field.cursor = s->text;
|
|
*len = zr_widget_edit(out, bounds, buffer, *len, ZR_MAX_NUMBER_BUFFER,
|
|
&is_active, 0, &field, filter, in, font);
|
|
if (active)
|
|
*active = is_active;
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
zr_widget_spinner_int(struct zr_command_buffer *out, struct zr_rect r,
|
|
const struct zr_spinner *s, int min, int value,
|
|
int max, int step, int *active, const struct zr_input *in,
|
|
const struct zr_user_font *font)
|
|
{
|
|
int res;
|
|
char string[ZR_MAX_NUMBER_BUFFER];
|
|
zr_size len, old_len;
|
|
int is_active;
|
|
|
|
ZR_ASSERT(out);
|
|
ZR_ASSERT(s);
|
|
ZR_ASSERT(font);
|
|
if (!out || !s || !font) return value;
|
|
|
|
/* make sure given values are correct */
|
|
value = CLAMP(min, value, max);
|
|
len = zr_itos(string, value);
|
|
is_active = (active) ? *active : zr_false;
|
|
old_len = len;
|
|
|
|
res = zr_widget_spinner_base(out, r, s, string, &len, ZR_INPUT_DEC, &is_active, in, font);
|
|
if (res) {
|
|
value += (res > 0) ? step : -step;
|
|
value = CLAMP(min, value, max);
|
|
}
|
|
|
|
if (old_len != len)
|
|
zr_strtoi(&value, string, len);
|
|
if (active) *active = is_active;
|
|
return value;
|
|
}
|
|
|
|
static float
|
|
zr_widget_spinner_float(struct zr_command_buffer *out, struct zr_rect r,
|
|
const struct zr_spinner *s, float min, float value, float max,
|
|
float step, int *active, const struct zr_input *in,
|
|
const struct zr_user_font *font)
|
|
{
|
|
int res;
|
|
char string[ZR_MAX_NUMBER_BUFFER];
|
|
zr_size len, old_len;
|
|
int is_active;
|
|
|
|
ZR_ASSERT(out);
|
|
ZR_ASSERT(s);
|
|
ZR_ASSERT(font);
|
|
if (!out || !s || !font) return value;
|
|
|
|
/* make sure given values are correct */
|
|
value = CLAMP(min, value, max);
|
|
len = zr_dtos(string, value);
|
|
len = zr_string_float_limit(string, ZR_MAX_FLOAT_PRECISION);
|
|
is_active = (active) ? *active : zr_false;
|
|
old_len = len;
|
|
|
|
res = zr_widget_spinner_base(out, r, s, string, &len, ZR_INPUT_FLOAT, &is_active, in, font);
|
|
if (res) {
|
|
int val;
|
|
float f = (float)zr_pow(10.0, ZR_MAX_FLOAT_PRECISION);
|
|
value += (res > 0) ? step : -step;
|
|
value = CLAMP(min, value, max);
|
|
val = (int)(value * f);
|
|
val = ((val + (int)((step*f)*0.5f)) / (int)(step*f)) * (int)(step*f);
|
|
value = (float)val / f;
|
|
}
|
|
|
|
if (old_len != len) {
|
|
zr_string_float_limit(string, ZR_MAX_FLOAT_PRECISION);
|
|
zr_strtof(&value, string);
|
|
}
|
|
if (active) *active = is_active;
|
|
return value;
|
|
}
|
|
|
|
/* ==============================================================
|
|
*
|
|
* STYLE
|
|
*
|
|
* ===============================================================*/
|
|
#define ZR_STYLE_PROPERTY_MAP(PROPERTY)\
|
|
PROPERTY(SCROLLBAR_SIZE, 14.0f, 14.0f)\
|
|
PROPERTY(PADDING, 15.0f, 10.0f)\
|
|
PROPERTY(SIZE, 64.0f, 64.0f)\
|
|
PROPERTY(ITEM_SPACING, 4.0f, 4.0f)\
|
|
PROPERTY(ITEM_PADDING, 4.0f, 4.0f)\
|
|
PROPERTY(SCALER_SIZE, 16.0f, 16.0f)
|
|
|
|
#define ZR_STYLE_ROUNDING_MAP(ROUNDING)\
|
|
ROUNDING(BUTTON, 4.0f)\
|
|
ROUNDING(SLIDER, 8.0f)\
|
|
ROUNDING(PROGRESS, 4.0f)\
|
|
ROUNDING(CHECK, 0.0f)\
|
|
ROUNDING(INPUT, 0.0f)\
|
|
ROUNDING(GRAPH, 4.0f)\
|
|
ROUNDING(SCROLLBAR, 5.0f)
|
|
|
|
#define ZR_STYLE_COLOR_MAP(COLOR)\
|
|
COLOR(TEXT, 175, 175, 175, 255)\
|
|
COLOR(TEXT_HOVERING, 120, 120, 120, 255)\
|
|
COLOR(TEXT_ACTIVE, 100, 100, 100, 255)\
|
|
COLOR(WINDOW, 45, 45, 45, 255)\
|
|
COLOR(HEADER, 40, 40, 40, 255)\
|
|
COLOR(BORDER, 65, 65, 65, 255)\
|
|
COLOR(BUTTON, 50, 50, 50, 255)\
|
|
COLOR(BUTTON_HOVER, 35, 35, 35, 255)\
|
|
COLOR(BUTTON_ACTIVE, 40, 40, 40, 255)\
|
|
COLOR(TOGGLE, 100, 100, 100, 255)\
|
|
COLOR(TOGGLE_HOVER, 120, 120, 120, 255)\
|
|
COLOR(TOGGLE_CURSOR, 45, 45, 45, 255)\
|
|
COLOR(SELECTABLE, 100, 100, 100, 255)\
|
|
COLOR(SELECTABLE_HOVER, 80, 80, 80, 255)\
|
|
COLOR(SELECTABLE_TEXT, 45, 45, 45, 255)\
|
|
COLOR(SLIDER, 38, 38, 38, 255)\
|
|
COLOR(SLIDER_CURSOR, 100, 100, 100, 255)\
|
|
COLOR(SLIDER_CURSOR_HOVER, 120, 120, 120, 255)\
|
|
COLOR(SLIDER_CURSOR_ACTIVE, 150, 150, 150, 255)\
|
|
COLOR(PROGRESS, 38, 38, 38, 255)\
|
|
COLOR(PROGRESS_CURSOR, 100, 100, 100, 255)\
|
|
COLOR(PROGRESS_CURSOR_HOVER, 120, 120, 120, 255)\
|
|
COLOR(PROGRESS_CURSOR_ACTIVE, 150, 150, 150, 255)\
|
|
COLOR(DRAG, 38, 38, 38, 255)\
|
|
COLOR(DRAG_HOVER, 50, 50, 50, 255)\
|
|
COLOR(DRAG_ACTIVE, 60, 60, 60, 255)\
|
|
COLOR(INPUT, 45, 45, 45, 255)\
|
|
COLOR(INPUT_CURSOR, 100, 100, 100, 255)\
|
|
COLOR(INPUT_TEXT, 135, 135, 135, 255)\
|
|
COLOR(SPINNER, 45, 45, 45, 255)\
|
|
COLOR(SPINNER_TRIANGLE, 100, 100, 100, 255)\
|
|
COLOR(HISTO, 120, 120, 120, 255)\
|
|
COLOR(HISTO_BARS, 45, 45, 45, 255)\
|
|
COLOR(HISTO_NEGATIVE, 255, 255, 255, 255)\
|
|
COLOR(HISTO_HIGHLIGHT, 255, 0, 0, 255)\
|
|
COLOR(PLOT, 120, 120, 120, 255)\
|
|
COLOR(PLOT_LINES, 45, 45, 45, 255)\
|
|
COLOR(PLOT_HIGHLIGHT, 255, 0, 0, 255)\
|
|
COLOR(SCROLLBAR, 40, 40, 40, 255)\
|
|
COLOR(SCROLLBAR_CURSOR, 100, 100, 100, 255)\
|
|
COLOR(SCROLLBAR_CURSOR_HOVER, 120, 120, 120, 255)\
|
|
COLOR(SCROLLBAR_CURSOR_ACTIVE, 150, 150, 150, 255)\
|
|
COLOR(TABLE_LINES, 100, 100, 100, 255)\
|
|
COLOR(TAB_HEADER, 40, 40, 40, 255)\
|
|
COLOR(SCALER, 100, 100, 100, 255)
|
|
|
|
static const char *zr_style_color_names[] = {
|
|
#define COLOR(a,b,c,d,e) #a,
|
|
ZR_STYLE_COLOR_MAP(COLOR)
|
|
#undef COLOR
|
|
};
|
|
static const char *zr_style_rounding_names[] = {
|
|
#define ROUNDING(a,b) #a,
|
|
ZR_STYLE_ROUNDING_MAP(ROUNDING)
|
|
#undef ROUNDING
|
|
};
|
|
static const char *zr_style_property_names[] = {
|
|
#define PROPERTY(a,b,c) #a,
|
|
ZR_STYLE_PROPERTY_MAP(PROPERTY)
|
|
#undef PROPERTY
|
|
};
|
|
|
|
const char*
|
|
zr_style_color_name(enum zr_style_colors color)
|
|
{
|
|
return zr_style_color_names[color];
|
|
}
|
|
|
|
const char*
|
|
zr_style_rounding_name(enum zr_style_rounding rounding)
|
|
{
|
|
return zr_style_rounding_names[rounding];
|
|
}
|
|
|
|
const char*
|
|
zr_style_property_name(enum zr_style_properties property)
|
|
{
|
|
return zr_style_property_names[property];
|
|
}
|
|
|
|
static void
|
|
zr_style_default_properties(struct zr_style *style)
|
|
{
|
|
#define PROPERTY(a,b,c) style->properties[ZR_PROPERTY_##a] = zr_vec2(b, c);
|
|
ZR_STYLE_PROPERTY_MAP(PROPERTY)
|
|
#undef PROPERTY
|
|
}
|
|
|
|
static void
|
|
zr_style_default_rounding(struct zr_style *style)
|
|
{
|
|
#define ROUNDING(a,b) style->rounding[ZR_ROUNDING_##a] = b;
|
|
ZR_STYLE_ROUNDING_MAP(ROUNDING)
|
|
#undef ROUNDING
|
|
}
|
|
|
|
static void
|
|
zr_style_default_color(struct zr_style *style)
|
|
{
|
|
#define COLOR(a,b,c,d,e) style->colors[ZR_COLOR_##a] = zr_rgba(b,c,d,e);
|
|
ZR_STYLE_COLOR_MAP(COLOR)
|
|
#undef COLOR
|
|
}
|
|
|
|
void
|
|
zr_style_default(struct zr_style *style, zr_flags flags,
|
|
const struct zr_user_font *font)
|
|
{
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
zr_zero(style, sizeof(*style));
|
|
style->font = *font;
|
|
|
|
if (flags & ZR_DEFAULT_COLOR)
|
|
zr_style_default_color(style);
|
|
if (flags & ZR_DEFAULT_PROPERTIES)
|
|
zr_style_default_properties(style);
|
|
if (flags & ZR_DEFAULT_ROUNDING)
|
|
zr_style_default_rounding(style);
|
|
|
|
style->header.align = ZR_HEADER_RIGHT;
|
|
style->header.close_symbol = 'x';
|
|
style->header.minimize_symbol = '-';
|
|
style->header.maximize_symbol = '+';
|
|
}
|
|
|
|
void
|
|
zr_style_set_font(struct zr_style *style, const struct zr_user_font *font)
|
|
{
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
style->font = *font;
|
|
}
|
|
|
|
struct zr_vec2
|
|
zr_style_property(const struct zr_style *style, enum zr_style_properties index)
|
|
{
|
|
static struct zr_vec2 zero;
|
|
ZR_ASSERT(style);
|
|
if (!style) return zero;
|
|
return style->properties[index];
|
|
}
|
|
|
|
struct zr_color
|
|
zr_style_color(const struct zr_style *style, enum zr_style_colors index)
|
|
{
|
|
static struct zr_color zero;
|
|
ZR_ASSERT(style);
|
|
if (!style) return zero;
|
|
return style->colors[index];
|
|
}
|
|
|
|
void
|
|
zr_style_push_color(struct zr_style *style, enum zr_style_colors index,
|
|
struct zr_color col)
|
|
{
|
|
struct zr_saved_color *c;
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
if (style->stack.color >= ZR_MAX_COLOR_STACK) return;
|
|
|
|
c = &style->stack.colors[style->stack.color++];
|
|
c->value = style->colors[index];
|
|
c->type = index;
|
|
style->colors[index] = col;
|
|
}
|
|
|
|
void
|
|
zr_style_push_property(struct zr_style *style, enum zr_style_properties index,
|
|
struct zr_vec2 v)
|
|
{
|
|
struct zr_saved_property *p;
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
if (style->stack.property >= ZR_MAX_ATTRIB_STACK) return;
|
|
|
|
p = &style->stack.properties[style->stack.property++];
|
|
p->value = style->properties[index];
|
|
p->type = index;
|
|
style->properties[index] = v;
|
|
}
|
|
|
|
void
|
|
zr_style_push_font(struct zr_style *style, struct zr_user_font font)
|
|
{
|
|
struct zr_saved_font *f;
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
if (style->stack.font >= ZR_MAX_FONT_STACK) return;
|
|
|
|
f = &style->stack.fonts[style->stack.font++];
|
|
f->font_height_begin = style->stack.font_height;
|
|
f->font_height_end = style->stack.font_height;
|
|
f->value = style->font;
|
|
style->font = font;
|
|
}
|
|
|
|
void
|
|
zr_style_push_font_height(struct zr_style *style, float font_height)
|
|
{
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
if (style->stack.font >= ZR_MAX_FONT_HEIGHT_STACK) return;
|
|
|
|
style->stack.font_heights[style->stack.font_height++] = style->font.height;
|
|
if (style->stack.font)
|
|
style->stack.fonts[style->stack.font-1].font_height_end++;
|
|
style->font.height = font_height;
|
|
}
|
|
|
|
void
|
|
zr_style_pop_color(struct zr_style *style)
|
|
{
|
|
struct zr_saved_color *c;
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
if (!style->stack.color) return;
|
|
c = &style->stack.colors[--style->stack.color];
|
|
style->colors[c->type] = c->value;
|
|
}
|
|
|
|
void
|
|
zr_style_pop_property(struct zr_style *style)
|
|
{
|
|
struct zr_saved_property *p;
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
if (!style->stack.property) return;
|
|
p = &style->stack.properties[--style->stack.property];
|
|
style->properties[p->type] = p->value;
|
|
}
|
|
|
|
void
|
|
zr_style_pop_font(struct zr_style *style)
|
|
{
|
|
struct zr_saved_font *f;
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
if (!style->stack.font) return;
|
|
|
|
f = &style->stack.fonts[--style->stack.font];
|
|
style->stack.font_height = f->font_height_begin;
|
|
style->font = f->value;
|
|
if (style->stack.font_height)
|
|
style->font.height = style->stack.font_heights[style->stack.font_height-1];
|
|
}
|
|
|
|
void
|
|
zr_style_pop_font_height(struct zr_style *style)
|
|
{
|
|
float font_height;
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
if (!style->stack.font_height) return;
|
|
font_height = style->stack.font_heights[--style->stack.font_height];
|
|
style->font.height = font_height;
|
|
if (style->stack.font) {
|
|
ZR_ASSERT(style->stack.fonts[style->stack.font-1].font_height_end);
|
|
style->stack.fonts[style->stack.font-1].font_height_end--;
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_style_reset_colors(struct zr_style *style)
|
|
{
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
while (style->stack.color)
|
|
zr_style_pop_color(style);
|
|
}
|
|
|
|
void
|
|
zr_style_reset_properties(struct zr_style *style)
|
|
{
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
while (style->stack.property)
|
|
zr_style_pop_property(style);
|
|
}
|
|
|
|
void
|
|
zr_style_reset_font(struct zr_style *style)
|
|
{
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
while (style->stack.font)
|
|
zr_style_pop_font(style);
|
|
}
|
|
|
|
void
|
|
zr_style_reset_font_height(struct zr_style *style)
|
|
{
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
while (style->stack.font_height)
|
|
zr_style_pop_font_height(style);
|
|
}
|
|
|
|
void
|
|
zr_style_reset(struct zr_style *style)
|
|
{
|
|
ZR_ASSERT(style);
|
|
if (!style) return;
|
|
zr_style_reset_colors(style);
|
|
zr_style_reset_properties(style);
|
|
zr_style_reset_font(style);
|
|
zr_style_reset_font_height(style);
|
|
}
|
|
|
|
/* ==============================================================
|
|
*
|
|
* WINDOW
|
|
*
|
|
* ===============================================================*/
|
|
void
|
|
zr_window_init(struct zr_window *window, struct zr_rect bounds,
|
|
zr_flags flags, struct zr_command_queue *queue,
|
|
struct zr_style *style, struct zr_input *input)
|
|
{
|
|
ZR_ASSERT(window);
|
|
ZR_ASSERT(style);
|
|
ZR_ASSERT(input);
|
|
if (!window || !style || !input)
|
|
return;
|
|
|
|
window->bounds = bounds;
|
|
window->flags = flags;
|
|
window->style = style;
|
|
window->offset.x = 0;
|
|
window->offset.y = 0;
|
|
window->queue = queue;
|
|
window->input = input;
|
|
if (queue) {
|
|
zr_command_buffer_init(&window->buffer, &queue->buffer, ZR_CLIP);
|
|
zr_command_queue_insert_back(queue, &window->buffer);
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_window_link(struct zr_window *window, struct zr_command_queue *queue)
|
|
{
|
|
ZR_ASSERT(window);
|
|
ZR_ASSERT(window->queue);
|
|
if (!window || !window->queue) return;
|
|
if (queue) {
|
|
zr_command_buffer_init(&window->buffer, &queue->buffer, ZR_CLIP);
|
|
zr_command_queue_insert_back(queue, &window->buffer);
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_window_unlink(struct zr_window *window)
|
|
{
|
|
ZR_ASSERT(window);
|
|
ZR_ASSERT(window->queue);
|
|
if (!window || !window->queue) return;
|
|
zr_command_queue_remove(window->queue, &window->buffer);
|
|
window->queue = 0;
|
|
}
|
|
|
|
void
|
|
zr_window_add_flag(struct zr_window *panel, zr_flags f)
|
|
{panel->flags |= f;}
|
|
|
|
void
|
|
zr_window_remove_flag(struct zr_window *panel, zr_flags f)
|
|
{panel->flags &= (zr_flags)~f;}
|
|
|
|
int
|
|
zr_window_has_flag(struct zr_window *panel, zr_flags f)
|
|
{return (panel->flags & f) ? zr_true: zr_false;}
|
|
|
|
int
|
|
zr_window_is_minimized(struct zr_window *panel)
|
|
{return panel->flags & ZR_WINDOW_MINIMIZED;}
|
|
|
|
/*-------------------------------------------------------------
|
|
*
|
|
* HEADER
|
|
*
|
|
* --------------------------------------------------------------*/
|
|
struct zr_window_header {
|
|
float x, y, w, h;
|
|
float front, back;
|
|
};
|
|
|
|
static int
|
|
zr_header_button(struct zr_context *layout, struct zr_window_header *header,
|
|
zr_rune symbol, enum zr_style_header_align align)
|
|
{
|
|
/* calculate the position of the close icon position and draw it */
|
|
zr_glyph glyph;
|
|
struct zr_rect sym = {0,0,0,0};
|
|
float sym_bw = 0;
|
|
int ret = zr_false;
|
|
|
|
const struct zr_style *c;
|
|
struct zr_command_buffer *out;
|
|
struct zr_vec2 item_padding;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->buffer);
|
|
ZR_ASSERT(layout->style);
|
|
if (!layout || layout->flags & ZR_WINDOW_HIDDEN)
|
|
return zr_false;
|
|
|
|
/* cache configuration data */
|
|
c = layout->style;
|
|
out = layout->buffer;
|
|
item_padding = zr_style_property(c, ZR_PROPERTY_ITEM_PADDING);
|
|
|
|
sym.x = header->front;
|
|
sym.y = header->y;
|
|
{
|
|
/* single unicode rune text icon */
|
|
const char *X = glyph;
|
|
const zr_size len = zr_utf_encode(symbol, glyph, sizeof(glyph));
|
|
const zr_size t = c->font.width(c->font.userdata, c->font.height, X, len);
|
|
const float text_width = (float)t;
|
|
|
|
/* calculate bounds of the icon */
|
|
sym_bw = text_width;
|
|
sym.w = (float)text_width + 2 * item_padding.x;
|
|
sym.h = c->font.height + 2 * item_padding.y;
|
|
if (align == ZR_HEADER_RIGHT)
|
|
sym.x = header->back - sym.w;
|
|
zr_command_buffer_push_text(out, sym, X, len, &c->font,
|
|
c->colors[ZR_COLOR_HEADER],c->colors[ZR_COLOR_TEXT]);
|
|
}
|
|
|
|
/* check if the icon has been pressed */
|
|
if (!(layout->flags & ZR_WINDOW_ROM)) {
|
|
float mouse_x = layout->input->mouse.pos.x;
|
|
float mouse_y = layout->input->mouse.pos.y;
|
|
float clicked_x = layout->input->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.x;
|
|
float clicked_y = layout->input->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.y;
|
|
if (ZR_INBOX(mouse_x, mouse_y, sym.x, sym.y, sym_bw, sym.h)) {
|
|
if (ZR_INBOX(clicked_x, clicked_y, sym.x, sym.y, sym_bw, sym.h))
|
|
ret = (layout->input->mouse.buttons[ZR_BUTTON_LEFT].down &&
|
|
layout->input->mouse.buttons[ZR_BUTTON_LEFT].clicked);
|
|
}
|
|
}
|
|
|
|
/* update the header space */
|
|
if (align == ZR_HEADER_RIGHT)
|
|
header->back -= (sym.w + item_padding.x);
|
|
else header->front += sym.w + item_padding.x;
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
zr_header_toggle(struct zr_context *layout,struct zr_window_header *header,
|
|
zr_rune active, zr_rune inactive, enum zr_style_header_align align, int state)
|
|
{
|
|
int ret = zr_header_button(layout, header,(state) ? active : inactive, align);
|
|
if (ret) return !state;
|
|
return state;
|
|
}
|
|
|
|
static int
|
|
zr_header_flag(struct zr_context *layout, struct zr_window_header *header,
|
|
zr_rune inactive, zr_rune active, enum zr_style_header_align align,
|
|
enum zr_window_flags flag)
|
|
{
|
|
zr_flags flags = layout->flags;
|
|
int state = (flags & flag) ? zr_true : zr_false;
|
|
int ret = zr_header_toggle(layout, header, inactive, active, align, state);
|
|
if (ret != ((flags & flag) ? zr_true : zr_false)) {
|
|
/* the state of the toggle icon has been changed */
|
|
if (!ret) layout->flags &= ~flag;
|
|
else layout->flags |= flag;
|
|
/* update the state of the panel since the flag have changed */
|
|
layout->valid = !(layout->flags & ZR_WINDOW_HIDDEN) &&
|
|
!(layout->flags & ZR_WINDOW_MINIMIZED);
|
|
return zr_true;
|
|
}
|
|
return zr_false;
|
|
}
|
|
|
|
/*-------------------------------------------------------------
|
|
*
|
|
* CONTEXT
|
|
*
|
|
* --------------------------------------------------------------*/
|
|
zr_flags
|
|
zr_begin(struct zr_context *context, struct zr_window *window, const char *title)
|
|
{
|
|
int header_active = 0;
|
|
zr_flags ret = 0;
|
|
const struct zr_style *c;
|
|
float scrollbar_size;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_vec2 item_spacing;
|
|
struct zr_vec2 window_padding;
|
|
struct zr_vec2 scaler_size;
|
|
struct zr_command_buffer *out;
|
|
struct zr_input *in;
|
|
|
|
ZR_ASSERT(context);
|
|
ZR_ASSERT(window);
|
|
ZR_ASSERT(window->style);
|
|
|
|
/* cache configuration data */
|
|
c = window->style;
|
|
in = window->input;
|
|
scrollbar_size = zr_style_property(c, ZR_PROPERTY_SCROLLBAR_SIZE).x;
|
|
window_padding = zr_style_property(c, ZR_PROPERTY_PADDING);
|
|
item_padding = zr_style_property(c, ZR_PROPERTY_ITEM_PADDING);
|
|
item_spacing = zr_style_property(c, ZR_PROPERTY_ITEM_SPACING);
|
|
scaler_size = zr_style_property(c, ZR_PROPERTY_SCALER_SIZE);
|
|
|
|
/* check arguments */
|
|
if (!window || !context) return ret;
|
|
zr_zero(context, sizeof(*context));
|
|
if (window->flags & ZR_WINDOW_HIDDEN) {
|
|
context->flags = window->flags;
|
|
context->valid = zr_false;
|
|
context->style = window->style;
|
|
context->buffer = &window->buffer;
|
|
return ret;
|
|
}
|
|
|
|
/* overlapping panels */
|
|
if (window->queue && !(window->flags & ZR_WINDOW_TAB))
|
|
{
|
|
context->queue = window->queue;
|
|
zr_command_queue_start(window->queue, &window->buffer);
|
|
{
|
|
int inpanel;
|
|
struct zr_command_buffer_list *s = &window->queue->list;
|
|
inpanel = zr_input_mouse_clicked(in, ZR_BUTTON_LEFT, window->bounds);
|
|
if (inpanel && (&window->buffer != s->end)) {
|
|
const struct zr_command_buffer *iter = window->buffer.next;
|
|
while (iter) {
|
|
/* try to find a panel with higher priorty in the same position */
|
|
const struct zr_window *cur;
|
|
cur = ZR_CONTAINER_OF_CONST(iter, struct zr_window, buffer);
|
|
if (ZR_INBOX(in->mouse.prev.x, in->mouse.prev.y, cur->bounds.x,
|
|
cur->bounds.y, cur->bounds.w, cur->bounds.h) &&
|
|
!(cur->flags & ZR_WINDOW_MINIMIZED) && !(cur->flags & ZR_WINDOW_HIDDEN))
|
|
break;
|
|
iter = iter->next;
|
|
}
|
|
/* current panel is active panel in that position so transfer to top
|
|
* at the highest priority in stack */
|
|
if (!iter) {
|
|
zr_command_queue_remove(window->queue, &window->buffer);
|
|
zr_command_queue_insert_back(window->queue, &window->buffer);
|
|
window->flags &= ~(zr_flags)ZR_WINDOW_ROM;
|
|
}
|
|
}
|
|
if (s->end != &window->buffer)
|
|
window->flags |= ZR_WINDOW_ROM;
|
|
}
|
|
}
|
|
|
|
/* move panel position if requested */
|
|
context->header_h = c->font.height + 4 * item_padding.y;
|
|
context->header_h += window_padding.y;
|
|
if ((window->flags & ZR_WINDOW_MOVEABLE) && !(window->flags & ZR_WINDOW_ROM)) {
|
|
int incursor;
|
|
struct zr_rect move;
|
|
move.x = window->bounds.x;
|
|
move.y = window->bounds.y;
|
|
move.w = window->bounds.w;
|
|
move.h = context->header_h;
|
|
incursor = zr_input_is_mouse_prev_hovering_rect(in, move);
|
|
if (zr_input_is_mouse_down(in, ZR_BUTTON_LEFT) && incursor) {
|
|
window->bounds.x = window->bounds.x + in->mouse.delta.x;
|
|
window->bounds.y = window->bounds.y + in->mouse.delta.y;
|
|
ret = ZR_WINDOW_MOVEABLE;
|
|
}
|
|
}
|
|
|
|
/* setup panel context */
|
|
out = &window->buffer;
|
|
context->input = in;
|
|
context->bounds = window->bounds;
|
|
context->at_x = window->bounds.x;
|
|
context->at_y = window->bounds.y;
|
|
context->width = window->bounds.w;
|
|
context->height = window->bounds.h;
|
|
context->style = window->style;
|
|
context->buffer = &window->buffer;
|
|
context->row.index = 0;
|
|
context->row.columns = 0;
|
|
context->row.height = 0;
|
|
context->row.ratio = 0;
|
|
context->row.item_width = 0;
|
|
context->offset = window->offset;
|
|
context->max_x = 0;
|
|
|
|
/* window header */
|
|
if (window->flags & ZR_WINDOW_MINIMIZED) {
|
|
context->header_h = 0;
|
|
context->row.height = 0;
|
|
} else {
|
|
context->header_h = 2 * item_spacing.y;
|
|
context->row.height = context->header_h + 1;
|
|
}
|
|
|
|
/* window activation by click inside */
|
|
if (!(window->flags & ZR_WINDOW_TAB) && !(window->flags & ZR_WINDOW_ROM)) {
|
|
float clicked_x = in->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.x;
|
|
float clicked_y = in->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.y;
|
|
if (zr_input_is_mouse_down(in, ZR_BUTTON_LEFT)) {
|
|
if (ZR_INBOX(clicked_x, clicked_y, window->bounds.x, window->bounds.y,
|
|
window->bounds.w, window->bounds.h))
|
|
window->flags |= ZR_WINDOW_ACTIVE;
|
|
else window->flags &= (zr_flags)~ZR_WINDOW_ACTIVE;
|
|
}
|
|
}
|
|
|
|
context->flags = window->flags;
|
|
context->valid = !(window->flags & ZR_WINDOW_HIDDEN) &&
|
|
!(window->flags & ZR_WINDOW_MINIMIZED);
|
|
|
|
/* calculate window footer height */
|
|
if (!(window->flags & ZR_WINDOW_COMBO_MENU) &&
|
|
(!(window->flags & ZR_WINDOW_NO_SCROLLBAR) || (window->flags & ZR_WINDOW_SCALEABLE)))
|
|
context->footer_h = scaler_size.y + item_padding.y;
|
|
else context->footer_h = 0;
|
|
|
|
/* calculate the window size */
|
|
if (!(window->flags & ZR_WINDOW_NO_SCROLLBAR))
|
|
context->width = window->bounds.w - scrollbar_size;
|
|
context->height = window->bounds.h - (context->header_h + 2 * item_spacing.y);
|
|
context->height -= context->footer_h;
|
|
|
|
/* draw window background if not a dynamic window */
|
|
if (!(context->flags & ZR_WINDOW_DYNAMIC) && context->valid) {
|
|
zr_command_buffer_push_rect(out, context->bounds, 0, c->colors[ZR_COLOR_WINDOW]);
|
|
} else{
|
|
zr_command_buffer_push_rect(out, zr_rect(context->bounds.x, context->bounds.y,
|
|
context->bounds.w, context->row.height + window_padding.y), 0, c->colors[ZR_COLOR_WINDOW]);
|
|
}
|
|
|
|
/* window header */
|
|
header_active = (window->flags & (ZR_WINDOW_CLOSEABLE|ZR_WINDOW_MINIMIZABLE));
|
|
header_active = header_active || (title != 0);
|
|
header_active = header_active && !(window->flags & ZR_WINDOW_HIDDEN);
|
|
if (header_active) {
|
|
zr_flags old;
|
|
struct zr_rect old_clip = out->clip;
|
|
struct zr_window_header header;
|
|
|
|
/* This is a little bit of a performace hack. To make sure the header does
|
|
* not get overdrawn with text you do not have to push a scissor rect. This
|
|
* is possible because the command buffer automatically clips text by using
|
|
* its clipping rectangle. But since the clipping rect gets reused to calculate
|
|
* the window clipping rect the old clipping rect has to be stored and reset afterwards. */
|
|
out->clip.x = header.x = context->bounds.x + window_padding.x;
|
|
out->clip.y = header.y = context->bounds.y + item_padding.y;
|
|
out->clip.w = header.w = MAX(context->bounds.w, 2 * window_padding.x);
|
|
out->clip.h = header.w -= 2 * window_padding.x;
|
|
|
|
/* update the header height and first row height */
|
|
context->header_h = c->font.height + 2 * item_padding.y;
|
|
context->header_h += window_padding.y;
|
|
context->row.height += context->header_h;
|
|
|
|
header.h = context->header_h;
|
|
header.back = header.x + header.w;
|
|
header.front = header.x;
|
|
|
|
context->height = context->bounds.h - (header.h + 2 * item_spacing.y);
|
|
context->height -= context->footer_h;
|
|
|
|
/* draw header background */
|
|
if (!(context->flags & ZR_WINDOW_BORDER)) {
|
|
zr_command_buffer_push_rect(out, zr_rect(context->bounds.x, context->bounds.y,
|
|
context->bounds.w, context->header_h), 0, c->colors[ZR_COLOR_HEADER]);
|
|
} else {
|
|
zr_command_buffer_push_rect(out, zr_rect(context->bounds.x, context->bounds.y+1,
|
|
context->bounds.w, context->header_h), 0, c->colors[ZR_COLOR_HEADER]);
|
|
}
|
|
|
|
/* window header icons */
|
|
old = window->flags;
|
|
if (window->flags & ZR_WINDOW_CLOSEABLE)
|
|
zr_header_flag(context, &header, c->header.close_symbol, c->header.close_symbol,
|
|
c->header.align, ZR_WINDOW_HIDDEN);
|
|
if (window->flags & ZR_WINDOW_MINIMIZABLE)
|
|
zr_header_flag(context, &header, c->header.maximize_symbol, c->header.minimize_symbol,
|
|
c->header.align, ZR_WINDOW_MINIMIZED);
|
|
|
|
/* window state change notifcations */
|
|
if ((old & ZR_WINDOW_HIDDEN) ^ (context->flags & ZR_WINDOW_HIDDEN))
|
|
ret |= ZR_WINDOW_CLOSEABLE;
|
|
if ((old & ZR_WINDOW_MINIMIZED) ^ (context->flags & ZR_WINDOW_MINIMIZED))
|
|
ret |= ZR_WINDOW_MINIMIZABLE;
|
|
|
|
/* window header title */
|
|
if (title) {
|
|
zr_size text_len = zr_strsiz(title);
|
|
struct zr_rect label = {0,0,0,0};
|
|
|
|
/* calculate and allocate space from the header */
|
|
zr_size t = c->font.width(c->font.userdata, c->font.height, title, text_len);
|
|
if (c->header.align == ZR_HEADER_LEFT) {
|
|
header.back = header.back - (3 * item_padding.x + (float)t);
|
|
label.x = header.back;
|
|
} else {
|
|
label.x = header.front;
|
|
header.front += 3 * item_padding.x + (float)t;
|
|
}
|
|
|
|
/* calculate label bounds and draw text */
|
|
label.y = header.y;
|
|
label.h = c->font.height + 2 * item_padding.y;
|
|
label.w = MAX((float)t + 2 * item_padding.x, 4 * item_padding.x);
|
|
zr_command_buffer_push_text(out, label, (const char*)title, text_len,
|
|
&c->font, c->colors[ZR_COLOR_HEADER], c->colors[ZR_COLOR_TEXT]);
|
|
}
|
|
out->clip = old_clip;
|
|
}
|
|
|
|
/* draw top window border line */
|
|
if (context->flags & ZR_WINDOW_BORDER) {
|
|
zr_command_buffer_push_line(out, context->bounds.x, context->bounds.y,
|
|
context->bounds.x + context->bounds.w, context->bounds.y,
|
|
c->colors[ZR_COLOR_BORDER]);
|
|
}
|
|
|
|
{
|
|
/* calculate and set the window clipping rectangle*/
|
|
struct zr_rect clip;
|
|
if (!(window->flags & ZR_WINDOW_DYNAMIC)) {
|
|
context->clip.x = window->bounds.x + window_padding.x;
|
|
context->clip.w = context->width - 2 * window_padding.x;
|
|
} else {
|
|
context->clip.x = window->bounds.x;
|
|
context->clip.w = context->width;
|
|
}
|
|
|
|
context->clip.h = window->bounds.h - (context->footer_h + context->header_h);
|
|
context->clip.h -= (window_padding.y + item_padding.y);
|
|
context->clip.y = window->bounds.y;
|
|
if (!(window->flags & ZR_WINDOW_COMBO_MENU))
|
|
context->clip.y += context->header_h;
|
|
if (window->flags & ZR_WINDOW_BORDER) {
|
|
context->clip.y += 1;
|
|
context->clip.h -= 1;
|
|
}
|
|
|
|
zr_unify(&clip, &context->buffer->clip, context->clip.x, context->clip.y,
|
|
context->clip.x + context->clip.w, context->clip.y + context->clip.h);
|
|
zr_command_buffer_push_scissor(out, clip);
|
|
|
|
context->buffer->clip.x = context->bounds.x;
|
|
context->buffer->clip.w = context->width;
|
|
if (!(window->flags & ZR_WINDOW_NO_SCROLLBAR))
|
|
context->buffer->clip.w += scrollbar_size;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
zr_flags
|
|
zr_end(struct zr_context *layout, struct zr_window *window)
|
|
{
|
|
zr_flags ret = 0;
|
|
struct zr_input *in;
|
|
const struct zr_style *config;
|
|
struct zr_command_buffer *out;
|
|
float scrollbar_size;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_vec2 item_spacing;
|
|
struct zr_vec2 window_padding;
|
|
struct zr_vec2 scaler_size;
|
|
struct zr_rect footer = {0,0,0,0};
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(window);
|
|
if (!window || !layout) return ret;
|
|
|
|
config = layout->style;
|
|
out = layout->buffer;
|
|
in = (layout->flags & ZR_WINDOW_ROM) ? 0 :layout->input;
|
|
if (!(layout->flags & ZR_WINDOW_TAB))
|
|
zr_command_buffer_push_scissor(out, zr_null_rect);
|
|
|
|
/* cache configuration data */
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
item_spacing = zr_style_property(config, ZR_PROPERTY_ITEM_SPACING);
|
|
window_padding = zr_style_property(config, ZR_PROPERTY_PADDING);
|
|
scrollbar_size = zr_style_property(config, ZR_PROPERTY_SCROLLBAR_SIZE).x;
|
|
scaler_size = zr_style_property(config, ZR_PROPERTY_SCALER_SIZE);
|
|
|
|
/* update the current Y-position to point over the last added widget */
|
|
layout->at_y += layout->row.height;
|
|
|
|
/* draw footer and fill empty spaces inside a dynamically growing panel */
|
|
if (layout->valid && (layout->flags & ZR_WINDOW_DYNAMIC)) {
|
|
layout->height = MIN(layout->at_y - layout->bounds.y, layout->bounds.h);
|
|
if ((layout->offset.x == 0) || (layout->flags & ZR_WINDOW_NO_SCROLLBAR)) {
|
|
footer.x = window->bounds.x;
|
|
footer.y = window->bounds.y + layout->height + item_spacing.y;
|
|
footer.w = window->bounds.w + scrollbar_size;
|
|
layout->footer_h = 0;
|
|
} else {
|
|
footer.x = window->bounds.x;
|
|
footer.w = window->bounds.w + scrollbar_size;
|
|
footer.h = layout->footer_h;
|
|
if (layout->flags & ZR_WINDOW_COMBO_MENU)
|
|
footer.y = window->bounds.y + layout->height;
|
|
else footer.y = window->bounds.y + layout->height + layout->footer_h;
|
|
zr_command_buffer_push_rect(out, footer, 0, config->colors[ZR_COLOR_WINDOW]);
|
|
|
|
if (!(layout->flags & ZR_WINDOW_COMBO_MENU)) {
|
|
struct zr_rect bounds;
|
|
bounds.x = layout->bounds.x;
|
|
bounds.y = window->bounds.y + layout->height;
|
|
bounds.w = layout->width;
|
|
bounds.h = layout->row.height;
|
|
zr_command_buffer_push_rect(out, bounds, 0, config->colors[ZR_COLOR_WINDOW]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* scrollbars */
|
|
if (layout->valid && !(layout->flags & ZR_WINDOW_NO_SCROLLBAR)) {
|
|
struct zr_rect bounds;
|
|
float scroll_target, scroll_offset, scroll_step;
|
|
|
|
struct zr_scrollbar scroll;
|
|
scroll.rounding = config->rounding[ZR_ROUNDING_SCROLLBAR];
|
|
scroll.background = config->colors[ZR_COLOR_SCROLLBAR];
|
|
scroll.normal = config->colors[ZR_COLOR_SCROLLBAR_CURSOR];
|
|
scroll.hover = config->colors[ZR_COLOR_SCROLLBAR_CURSOR_HOVER];
|
|
scroll.active = config->colors[ZR_COLOR_SCROLLBAR_CURSOR_ACTIVE];
|
|
scroll.border = config->colors[ZR_COLOR_BORDER];
|
|
{
|
|
/* vertical scollbar */
|
|
bounds.x = layout->bounds.x + layout->width;
|
|
bounds.y = (layout->flags & ZR_WINDOW_BORDER) ?
|
|
layout->bounds.y + 1 : layout->bounds.y;
|
|
bounds.y += layout->header_h + layout->menu.h;
|
|
bounds.w = scrollbar_size;
|
|
bounds.h = layout->height;
|
|
if (layout->flags & ZR_WINDOW_BORDER) bounds.h -= 1;
|
|
|
|
scroll_offset = layout->offset.y;
|
|
scroll_step = layout->clip.h * 0.10f;
|
|
scroll_target = (layout->at_y - layout->bounds.y)-(layout->header_h+2*item_spacing.y);
|
|
scroll.has_scrolling = (layout->flags & ZR_WINDOW_ACTIVE);
|
|
window->offset.y = zr_widget_scrollbarv(out, bounds, scroll_offset,
|
|
scroll_target, scroll_step, &scroll, in);
|
|
}
|
|
{
|
|
/* horizontal scrollbar */
|
|
bounds.x = layout->bounds.x + window_padding.x;
|
|
if (layout->flags & ZR_WINDOW_TAB) {
|
|
bounds.h = scrollbar_size;
|
|
bounds.y = (layout->flags & ZR_WINDOW_BORDER) ?
|
|
layout->bounds.y + 1 : layout->bounds.y;
|
|
bounds.y += layout->header_h + layout->menu.h + layout->height;
|
|
bounds.w = layout->clip.w;
|
|
} else if (layout->flags & ZR_WINDOW_DYNAMIC) {
|
|
bounds.h = MIN(scrollbar_size, layout->footer_h);
|
|
bounds.w = layout->bounds.w;
|
|
bounds.y = footer.y;
|
|
} else {
|
|
bounds.h = MIN(scrollbar_size, layout->footer_h);
|
|
bounds.y = layout->bounds.y + window->bounds.h - MAX(layout->footer_h, scrollbar_size);
|
|
bounds.w = layout->width - 2 * window_padding.x;
|
|
}
|
|
scroll_offset = layout->offset.x;
|
|
scroll_target = layout->max_x - bounds.x;
|
|
scroll_step = layout->max_x * 0.05f;
|
|
scroll.has_scrolling = zr_false;
|
|
window->offset.x = zr_widget_scrollbarh(out, bounds, scroll_offset,
|
|
scroll_target, scroll_step, &scroll, in);
|
|
}
|
|
};
|
|
|
|
/* draw the panel scaler into the right corner of the panel footer and
|
|
* update panel size if user drags the scaler */
|
|
if ((layout->flags & ZR_WINDOW_SCALEABLE) && layout->valid && in) {
|
|
float scaler_y;
|
|
struct zr_color col = config->colors[ZR_COLOR_SCALER];
|
|
float scaler_w = MAX(0, scaler_size.x - item_padding.x);
|
|
float scaler_h = MAX(0, scaler_size.y - item_padding.y);
|
|
float scaler_x = (layout->bounds.x + layout->bounds.w) - (item_padding.x + scaler_w);
|
|
|
|
if (layout->flags & ZR_WINDOW_DYNAMIC)
|
|
scaler_y = footer.y + layout->footer_h - scaler_size.y;
|
|
else scaler_y = layout->bounds.y + layout->bounds.h - scaler_size.y;
|
|
zr_command_buffer_push_triangle(out, scaler_x + scaler_w, scaler_y,
|
|
scaler_x + scaler_w, scaler_y + scaler_h, scaler_x, scaler_y + scaler_h, col);
|
|
|
|
if (!(window->flags & ZR_WINDOW_ROM)) {
|
|
int incursor;
|
|
float prev_x = in->mouse.prev.x;
|
|
float prev_y = in->mouse.prev.y;
|
|
struct zr_vec2 window_size = zr_style_property(config, ZR_PROPERTY_SIZE);
|
|
incursor = ZR_INBOX(prev_x,prev_y,scaler_x,scaler_y,scaler_w,scaler_h);
|
|
|
|
if (zr_input_is_mouse_down(in, ZR_BUTTON_LEFT) && incursor) {
|
|
window->bounds.w = MAX(window_size.x, window->bounds.w + in->mouse.delta.x);
|
|
/* draging in y-direction is only possible if static window */
|
|
ret = ZR_WINDOW_SCALEABLE;
|
|
if (!(layout->flags & ZR_WINDOW_DYNAMIC))
|
|
window->bounds.h = MAX(window_size.y, window->bounds.h + in->mouse.delta.y);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (layout->flags & ZR_WINDOW_BORDER) {
|
|
/* draw the border around the complete panel */
|
|
const float width = (layout->flags & ZR_WINDOW_NO_SCROLLBAR) ?
|
|
layout->width: layout->width + scrollbar_size;
|
|
const float padding_y = (!layout->valid) ?
|
|
window->bounds.y + layout->header_h:
|
|
(layout->flags & ZR_WINDOW_DYNAMIC)?
|
|
layout->footer_h + footer.y:
|
|
layout->bounds.y + layout->bounds.h;
|
|
|
|
if (window->flags & ZR_WINDOW_BORDER_HEADER)
|
|
zr_command_buffer_push_line(out, window->bounds.x, window->bounds.y + layout->header_h,
|
|
window->bounds.x + window->bounds.w, window->bounds.y + layout->header_h,
|
|
config->colors[ZR_COLOR_BORDER]);
|
|
zr_command_buffer_push_line(out, window->bounds.x, padding_y, window->bounds.x + width,
|
|
padding_y, config->colors[ZR_COLOR_BORDER]);
|
|
zr_command_buffer_push_line(out, window->bounds.x, window->bounds.y, window->bounds.x,
|
|
padding_y, config->colors[ZR_COLOR_BORDER]);
|
|
zr_command_buffer_push_line(out, window->bounds.x + width, window->bounds.y,
|
|
window->bounds.x + width, padding_y, config->colors[ZR_COLOR_BORDER]);
|
|
}
|
|
|
|
if (!(window->flags & ZR_WINDOW_TAB)) {
|
|
/* window is hidden so clear command buffer */
|
|
if (layout->flags & ZR_WINDOW_HIDDEN)
|
|
zr_command_buffer_reset(&window->buffer);
|
|
/* window is visible and not tab */
|
|
else zr_command_queue_finish(window->queue, &window->buffer);
|
|
}
|
|
|
|
/* remove ROM flag was set so remove ROM FLAG*/
|
|
if (layout->flags & ZR_WINDOW_REMOVE_ROM) {
|
|
layout->flags &= ~(zr_flags)ZR_WINDOW_ROM;
|
|
layout->flags &= ~(zr_flags)ZR_WINDOW_REMOVE_ROM;
|
|
}
|
|
window->flags = layout->flags;
|
|
return ret;
|
|
}
|
|
|
|
struct zr_command_buffer*
|
|
zr_canvas(struct zr_context *layout)
|
|
{return layout->buffer;}
|
|
|
|
const struct zr_input*
|
|
zr_input(struct zr_context *layout)
|
|
{return layout->input;}
|
|
|
|
struct zr_command_queue*
|
|
zr_queue(struct zr_context *layout)
|
|
{return layout->queue;}
|
|
|
|
struct zr_rect
|
|
zr_space(struct zr_context *layout)
|
|
{ZR_ASSERT(layout); return layout->clip;}
|
|
|
|
void
|
|
zr_menubar_begin(struct zr_context *layout)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
if (!layout || layout->flags & ZR_WINDOW_HIDDEN || layout->flags & ZR_WINDOW_MINIMIZED)
|
|
return;
|
|
layout->menu.x = layout->at_x;
|
|
layout->menu.y = layout->bounds.y + layout->header_h;
|
|
layout->menu.w = layout->width;
|
|
layout->menu.offset = layout->offset;
|
|
layout->offset.y = 0;
|
|
}
|
|
|
|
void
|
|
zr_menubar_end(struct zr_context *layout)
|
|
{
|
|
struct zr_command_buffer *out;
|
|
ZR_ASSERT(layout);
|
|
if (!layout || layout->flags & ZR_WINDOW_HIDDEN || layout->flags & ZR_WINDOW_MINIMIZED)
|
|
return;
|
|
|
|
out = layout->buffer;
|
|
layout->menu.h = layout->at_y - layout->menu.y;
|
|
layout->clip.y = layout->bounds.y + layout->header_h + layout->menu.h + layout->row.height;
|
|
layout->height -= layout->menu.h;
|
|
layout->offset = layout->menu.offset;
|
|
layout->clip.h -= layout->menu.h + layout->row.height;
|
|
layout->at_y = layout->menu.y + layout->menu.h;
|
|
zr_command_buffer_push_scissor(out, layout->clip);
|
|
}
|
|
/*
|
|
* -------------------------------------------------------------
|
|
*
|
|
* LAYOUT
|
|
*
|
|
* --------------------------------------------------------------
|
|
*/
|
|
static void
|
|
zr_panel_layout(struct zr_context *layout, float height, zr_size cols)
|
|
{
|
|
const struct zr_style *config;
|
|
const struct zr_color *color;
|
|
struct zr_command_buffer *out;
|
|
struct zr_vec2 item_spacing;
|
|
struct zr_vec2 panel_padding;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
|
|
/* prefetch some configuration data */
|
|
config = layout->style;
|
|
out = layout->buffer;
|
|
color = &config->colors[ZR_COLOR_WINDOW];
|
|
item_spacing = zr_style_property(config, ZR_PROPERTY_ITEM_SPACING);
|
|
panel_padding = zr_style_property(config, ZR_PROPERTY_PADDING);
|
|
|
|
/* draw the current row and set the current row layout */
|
|
layout->row.index = 0;
|
|
layout->at_y += layout->row.height;
|
|
layout->row.columns = cols;
|
|
layout->row.height = height + item_spacing.y;
|
|
layout->row.item_offset = 0;
|
|
if (layout->flags & ZR_WINDOW_DYNAMIC)
|
|
zr_command_buffer_push_rect(out, zr_rect(layout->bounds.x, layout->at_y,
|
|
layout->bounds.w, height + panel_padding.y), 0, *color);
|
|
}
|
|
|
|
static void
|
|
zr_row_layout(struct zr_context *layout,
|
|
enum zr_layout_format fmt, float height, zr_size cols,
|
|
zr_size width)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
|
|
/* draw the current row and set the current row layout */
|
|
zr_panel_layout(layout, height, cols);
|
|
if (fmt == ZR_DYNAMIC)
|
|
layout->row.type = ZR_LAYOUT_DYNAMIC_FIXED;
|
|
else layout->row.type = ZR_LAYOUT_STATIC_FIXED;
|
|
|
|
layout->row.item_width = (float)width;
|
|
layout->row.ratio = 0;
|
|
layout->row.item_offset = 0;
|
|
layout->row.filled = 0;
|
|
}
|
|
|
|
void
|
|
zr_layout_row_dynamic(struct zr_context *layout, float height, zr_size cols)
|
|
{zr_row_layout(layout, ZR_DYNAMIC, height, cols, 0);}
|
|
|
|
void
|
|
zr_layout_row_static(struct zr_context *layout, float height,
|
|
zr_size item_width, zr_size cols)
|
|
{zr_row_layout(layout, ZR_STATIC, height, cols, item_width);}
|
|
|
|
void
|
|
zr_layout_row_begin(struct zr_context *layout,
|
|
enum zr_layout_format fmt, float row_height, zr_size cols)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
|
|
zr_panel_layout(layout, row_height, cols);
|
|
if (fmt == ZR_DYNAMIC)
|
|
layout->row.type = ZR_LAYOUT_DYNAMIC_ROW;
|
|
else layout->row.type = ZR_LAYOUT_STATIC_ROW;
|
|
|
|
layout->row.ratio = 0;
|
|
layout->row.item_width = 0;
|
|
layout->row.item_offset = 0;
|
|
layout->row.filled = 0;
|
|
layout->row.columns = cols;
|
|
}
|
|
|
|
void
|
|
zr_layout_row_push(struct zr_context *layout, float ratio_or_width)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
if (!layout || !layout->valid) return;
|
|
|
|
if (layout->row.type == ZR_LAYOUT_DYNAMIC_ROW) {
|
|
float ratio = ratio_or_width;
|
|
if ((ratio + layout->row.filled) > 1.0f) return;
|
|
if (ratio > 0.0f)
|
|
layout->row.item_width = ZR_SATURATE(ratio);
|
|
else layout->row.item_width = 1.0f - layout->row.filled;
|
|
} else layout->row.item_width = ratio_or_width;
|
|
}
|
|
|
|
void
|
|
zr_layout_row_end(struct zr_context *layout)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
layout->row.item_width = 0;
|
|
layout->row.item_offset = 0;
|
|
}
|
|
|
|
void
|
|
zr_layout_row(struct zr_context *layout, enum zr_layout_format fmt,
|
|
float height, zr_size cols, const float *ratio)
|
|
{
|
|
zr_size i;
|
|
zr_size n_undef = 0;
|
|
float r = 0;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
|
|
zr_panel_layout(layout, height, cols);
|
|
if (fmt == ZR_DYNAMIC) {
|
|
/* calculate width of undefined widget ratios */
|
|
layout->row.ratio = ratio;
|
|
for (i = 0; i < cols; ++i) {
|
|
if (ratio[i] < 0.0f)
|
|
n_undef++;
|
|
else r += ratio[i];
|
|
}
|
|
r = ZR_SATURATE(1.0f - r);
|
|
layout->row.type = ZR_LAYOUT_DYNAMIC;
|
|
layout->row.item_width = (r > 0 && n_undef > 0) ? (r / (float)n_undef):0;
|
|
} else {
|
|
layout->row.ratio = ratio;
|
|
layout->row.type = ZR_LAYOUT_STATIC;
|
|
layout->row.item_width = 0;
|
|
layout->row.item_offset = 0;
|
|
}
|
|
layout->row.item_offset = 0;
|
|
layout->row.filled = 0;
|
|
}
|
|
|
|
void
|
|
zr_layout_row_space_begin(struct zr_context *layout,
|
|
enum zr_layout_format fmt, float height, zr_size widget_count)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
|
|
zr_panel_layout(layout, height, widget_count);
|
|
if (fmt == ZR_STATIC) {
|
|
/* calculate bounds of the free to use panel space */
|
|
struct zr_rect clip, space;
|
|
space.x = layout->at_x;
|
|
space.y = layout->at_y;
|
|
space.w = layout->width;
|
|
space.h = layout->row.height;
|
|
|
|
/* setup clipping rect for the free space to prevent overdraw */
|
|
zr_unify(&clip, &layout->clip, space.x, space.y, space.x + space.w, space.y + space.h);
|
|
zr_command_buffer_push_scissor(layout->buffer, clip);
|
|
|
|
layout->row.type = ZR_LAYOUT_STATIC_FREE;
|
|
layout->row.clip = layout->clip;
|
|
layout->clip = clip;
|
|
} else layout->row.type = ZR_LAYOUT_DYNAMIC_FREE;
|
|
|
|
layout->row.ratio = 0;
|
|
layout->row.item_width = 0;
|
|
layout->row.item_offset = 0;
|
|
layout->row.filled = 0;
|
|
}
|
|
|
|
void
|
|
zr_layout_row_space_push(struct zr_context *layout, struct zr_rect rect)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
layout->row.item = rect;
|
|
}
|
|
|
|
struct zr_rect
|
|
zr_layout_row_space_bounds(struct zr_context *ctx)
|
|
{
|
|
struct zr_rect ret;
|
|
ret.x = ctx->clip.x;
|
|
ret.y = ctx->clip.y;
|
|
ret.w = ctx->clip.w;
|
|
ret.h = ctx->row.height;
|
|
return ret;
|
|
}
|
|
|
|
struct zr_vec2
|
|
zr_layout_row_space_to_screen(struct zr_context *layout, struct zr_vec2 ret)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ret.x += layout->clip.x - layout->offset.x;
|
|
ret.y += layout->clip.y - layout->offset.y;
|
|
return ret;
|
|
}
|
|
|
|
struct zr_vec2
|
|
zr_layout_row_space_to_local(struct zr_context *layout, struct zr_vec2 ret)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ret.x += -layout->clip.x + layout->offset.x;
|
|
ret.y += -layout->clip.y + layout->offset.y;
|
|
return ret;
|
|
}
|
|
|
|
struct zr_rect
|
|
zr_layout_row_space_rect_to_screen(struct zr_context *layout, struct zr_rect ret)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ret.x += layout->clip.x - layout->offset.x;
|
|
ret.y += layout->clip.y - layout->offset.y;
|
|
return ret;
|
|
}
|
|
|
|
struct zr_rect
|
|
zr_layout_row_space_rect_to_local(struct zr_context *layout, struct zr_rect ret)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ret.x += -layout->clip.x + layout->offset.x;
|
|
ret.y += -layout->clip.y + layout->offset.y;
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
zr_layout_row_space_end(struct zr_context *layout)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
|
|
layout->row.item_width = 0;
|
|
layout->row.item_height = 0;
|
|
layout->row.item_offset = 0;
|
|
zr_zero(&layout->row.item, sizeof(layout->row.item));
|
|
if (layout->row.type == ZR_LAYOUT_STATIC_FREE)
|
|
zr_command_buffer_push_scissor(layout->buffer, layout->clip);
|
|
}
|
|
|
|
static void
|
|
zr_panel_alloc_row(struct zr_context *layout)
|
|
{
|
|
const struct zr_style *c = layout->style;
|
|
struct zr_vec2 spacing = zr_style_property(c, ZR_PROPERTY_ITEM_SPACING);
|
|
const float row_height = layout->row.height - spacing.y;
|
|
zr_panel_layout(layout, row_height, layout->row.columns);
|
|
}
|
|
|
|
static void
|
|
zr_layout_widget_space(struct zr_rect *bounds, struct zr_context *layout,
|
|
int modify)
|
|
{
|
|
const struct zr_style *config;
|
|
float panel_padding, panel_spacing, panel_space;
|
|
float item_offset = 0, item_width = 0, item_spacing = 0;
|
|
struct zr_vec2 spacing, padding;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(bounds);
|
|
if (!layout || !layout->style || !bounds)
|
|
return;
|
|
|
|
/* cache some configuration data */
|
|
config = layout->style;
|
|
spacing = zr_style_property(config, ZR_PROPERTY_ITEM_SPACING);
|
|
padding = zr_style_property(config, ZR_PROPERTY_PADDING);
|
|
|
|
/* calculate the useable panel space */
|
|
panel_padding = 2 * padding.x;
|
|
panel_spacing = (float)(layout->row.columns - 1) * spacing.x;
|
|
panel_space = layout->width - panel_padding - panel_spacing;
|
|
|
|
/* calculate the width of one item inside the current layout space */
|
|
switch (layout->row.type) {
|
|
case ZR_LAYOUT_DYNAMIC_FIXED: {
|
|
/* scaling fixed size widgets item width */
|
|
item_width = panel_space / (float)layout->row.columns;
|
|
item_offset = (float)layout->row.index * item_width;
|
|
item_spacing = (float)layout->row.index * spacing.x;
|
|
} break;
|
|
case ZR_LAYOUT_DYNAMIC_ROW: {
|
|
/* scaling single ratio widget width */
|
|
item_width = layout->row.item_width * panel_space;
|
|
item_offset = layout->row.item_offset;
|
|
item_spacing = (float)layout->row.index * spacing.x;
|
|
|
|
if (modify) {
|
|
layout->row.item_offset += item_width + spacing.x;
|
|
layout->row.filled += layout->row.item_width;
|
|
layout->row.index = 0;
|
|
}
|
|
} break;
|
|
case ZR_LAYOUT_DYNAMIC_FREE: {
|
|
/* panel width depended free widget placing */
|
|
bounds->x = layout->at_x + (layout->width * layout->row.item.x);
|
|
bounds->x -= layout->offset.x;
|
|
bounds->y = layout->at_y + (layout->row.height * layout->row.item.y);
|
|
bounds->w = layout->width * layout->row.item.w;
|
|
bounds->h = layout->row.height * layout->row.item.h;
|
|
return;
|
|
} break;
|
|
case ZR_LAYOUT_DYNAMIC: {
|
|
/* scaling arrays of panel width ratios for every widget */
|
|
float ratio;
|
|
ZR_ASSERT(layout->row.ratio);
|
|
ratio = (layout->row.ratio[layout->row.index] < 0) ?
|
|
layout->row.item_width : layout->row.ratio[layout->row.index];
|
|
|
|
item_spacing = (float)layout->row.index * spacing.x;
|
|
if (layout->row.index < layout->row.columns-1)
|
|
item_width = (ratio * panel_space) - spacing.x;
|
|
else item_width = (ratio * panel_space);
|
|
|
|
item_offset = layout->row.item_offset;
|
|
if (modify) {
|
|
layout->row.item_offset += item_width + spacing.x;
|
|
layout->row.filled += ratio;
|
|
}
|
|
} break;
|
|
case ZR_LAYOUT_STATIC_FIXED: {
|
|
/* non-scaling fixed widgets item width */
|
|
item_width = layout->row.item_width;
|
|
item_offset = (float)layout->row.index * item_width;
|
|
item_spacing = (float)layout->row.index * spacing.x;
|
|
} break;
|
|
case ZR_LAYOUT_STATIC_ROW: {
|
|
/* scaling single ratio widget width */
|
|
item_width = layout->row.item_width;
|
|
item_offset = layout->row.item_offset;
|
|
item_spacing = (float)layout->row.index * spacing.x;
|
|
if (modify) {
|
|
layout->row.item_offset += item_width + spacing.x;
|
|
layout->row.index = 0;
|
|
}
|
|
} break;
|
|
case ZR_LAYOUT_STATIC_FREE: {
|
|
/* free widget placing */
|
|
bounds->x = layout->clip.x + layout->row.item.x;
|
|
if (((bounds->x + bounds->w) > layout->max_x) && modify)
|
|
layout->max_x = (bounds->x + bounds->w);
|
|
bounds->x -= layout->offset.x;
|
|
bounds->y = layout->clip.y + layout->row.item.y;
|
|
bounds->y -= layout->offset.y;
|
|
bounds->w = layout->row.item.w;
|
|
bounds->h = layout->row.item.h;
|
|
return;
|
|
} break;
|
|
case ZR_LAYOUT_STATIC: {
|
|
/* non-scaling array of panel pixel width for every widget */
|
|
item_spacing = (float)layout->row.index * spacing.x;
|
|
item_width = layout->row.ratio[layout->row.index];
|
|
item_offset = layout->row.item_offset;
|
|
if (modify) layout->row.item_offset += item_width + spacing.x;
|
|
} break;
|
|
default: break;
|
|
};
|
|
|
|
/* set the bounds of the newly allocated widget */
|
|
bounds->w = item_width;
|
|
bounds->h = layout->row.height - spacing.y;
|
|
bounds->y = layout->at_y - layout->offset.y;
|
|
bounds->x = layout->at_x + item_offset + item_spacing + padding.x;
|
|
if (((bounds->x + bounds->w) > layout->max_x) && modify)
|
|
layout->max_x = bounds->x + bounds->w;
|
|
bounds->x -= layout->offset.x;
|
|
}
|
|
|
|
static void
|
|
zr_panel_alloc_space(struct zr_rect *bounds, struct zr_context *layout)
|
|
{
|
|
/* check if the end of the row has been hit and begin new row if so */
|
|
if (layout->row.index >= layout->row.columns)
|
|
zr_panel_alloc_row(layout);
|
|
|
|
/* calculate widget position and size */
|
|
zr_layout_widget_space(bounds, layout, zr_true);
|
|
layout->row.index++;
|
|
}
|
|
|
|
void
|
|
zr_layout_peek(struct zr_rect *bounds, struct zr_context *layout)
|
|
{
|
|
float y = layout->at_y;
|
|
zr_size index = layout->row.index;
|
|
if (layout->row.index >= layout->row.columns) {
|
|
layout->at_y += layout->row.height;
|
|
layout->row.index = 0;
|
|
}
|
|
zr_layout_widget_space(bounds, layout, zr_false);
|
|
layout->at_y = y;
|
|
layout->row.index = index;
|
|
}
|
|
|
|
int
|
|
zr_layout_push(struct zr_context *layout,
|
|
enum zr_layout_node_type type,
|
|
const char *title, int *state)
|
|
{
|
|
const struct zr_style *config;
|
|
struct zr_command_buffer *out;
|
|
struct zr_vec2 item_spacing;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_vec2 panel_padding;
|
|
struct zr_rect header = {0,0,0,0};
|
|
struct zr_rect sym = {0,0,0,0};
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return zr_false;
|
|
if (!layout->valid) return zr_false;
|
|
|
|
/* cache some data */
|
|
out = layout->buffer;
|
|
config = layout->style;
|
|
|
|
item_spacing = zr_style_property(config, ZR_PROPERTY_ITEM_SPACING);
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
panel_padding = zr_style_property(config, ZR_PROPERTY_PADDING);
|
|
|
|
/* calculate header bounds and draw background */
|
|
zr_layout_row_dynamic(layout, config->font.height + 2 * item_padding.y, 1);
|
|
zr_panel_alloc_space(&header, layout);
|
|
if (type == ZR_LAYOUT_TAB)
|
|
zr_command_buffer_push_rect(out, header, 0, config->colors[ZR_COLOR_TAB_HEADER]);
|
|
|
|
{
|
|
/* and draw closing/open icon */
|
|
enum zr_heading heading;
|
|
struct zr_vec2 points[3];
|
|
heading = (*state == ZR_MAXIMIZED) ? ZR_DOWN : ZR_RIGHT;
|
|
|
|
/* calculate the triangle bounds */
|
|
sym.w = sym.h = config->font.height;
|
|
sym.y = header.y + item_padding.y;
|
|
sym.x = header.x + panel_padding.x;
|
|
|
|
/* calculate the triangle points and draw triangle */
|
|
zr_triangle_from_direction(points, sym, 0, 0, heading);
|
|
zr_command_buffer_push_triangle(layout->buffer, points[0].x, points[0].y,
|
|
points[1].x, points[1].y, points[2].x, points[2].y, config->colors[ZR_COLOR_TEXT]);
|
|
|
|
/* calculate the space the icon occupied */
|
|
sym.w = config->font.height + 2 * item_padding.x;
|
|
}
|
|
{
|
|
/* draw node label */
|
|
struct zr_color color;
|
|
struct zr_rect label;
|
|
zr_size text_len;
|
|
|
|
header.w = MAX(header.w, sym.w + item_spacing.y + panel_padding.x);
|
|
label.x = sym.x + sym.w + item_spacing.x;
|
|
label.y = sym.y;
|
|
label.w = header.w - (sym.w + item_spacing.y + panel_padding.x);
|
|
label.h = config->font.height;
|
|
text_len = zr_strsiz(title);
|
|
color = (type == ZR_LAYOUT_TAB) ? config->colors[ZR_COLOR_TAB_HEADER]:
|
|
config->colors[ZR_COLOR_WINDOW];
|
|
zr_command_buffer_push_text(out, label, (const char*)title, text_len,
|
|
&config->font, color, config->colors[ZR_COLOR_TEXT]);
|
|
}
|
|
|
|
/* update node state */
|
|
if (!(layout->flags & ZR_WINDOW_ROM)) {
|
|
float mouse_x = layout->input->mouse.pos.x;
|
|
float mouse_y = layout->input->mouse.pos.y;
|
|
float clicked_x = layout->input->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.x;
|
|
float clicked_y = layout->input->mouse.buttons[ZR_BUTTON_LEFT].clicked_pos.y;
|
|
if (ZR_INBOX(mouse_x, mouse_y, sym.x, sym.y, sym.w, sym.h)) {
|
|
if (ZR_INBOX(clicked_x, clicked_y, sym.x, sym.y, sym.w, sym.h)) {
|
|
if (layout->input->mouse.buttons[ZR_BUTTON_LEFT].down &&
|
|
layout->input->mouse.buttons[ZR_BUTTON_LEFT].clicked)
|
|
*state = (*state == ZR_MAXIMIZED) ? ZR_MINIMIZED : ZR_MAXIMIZED;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (type == ZR_LAYOUT_TAB) {
|
|
/* special node with border around the header */
|
|
zr_command_buffer_push_line(out, header.x, header.y,
|
|
header.x + header.w-1, header.y, config->colors[ZR_COLOR_BORDER]);
|
|
zr_command_buffer_push_line(out, header.x, header.y,
|
|
header.x, header.y + header.h, config->colors[ZR_COLOR_BORDER]);
|
|
zr_command_buffer_push_line(out, header.x + header.w-1, header.y,
|
|
header.x + header.w-1, header.y + header.h, config->colors[ZR_COLOR_BORDER]);
|
|
zr_command_buffer_push_line(out, header.x, header.y + header.h,
|
|
header.x + header.w-1, header.y + header.h, config->colors[ZR_COLOR_BORDER]);
|
|
}
|
|
|
|
if (*state == ZR_MAXIMIZED) {
|
|
layout->at_x = header.x + layout->offset.x;
|
|
layout->width = MAX(layout->width, 2 * panel_padding.x);
|
|
layout->width -= 2 * panel_padding.x;
|
|
return zr_true;
|
|
} else return zr_false;
|
|
}
|
|
|
|
void
|
|
zr_layout_pop(struct zr_context *layout)
|
|
{
|
|
const struct zr_style *config;
|
|
struct zr_vec2 panel_padding;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return;
|
|
if (!layout->valid) return;
|
|
|
|
config = layout->style;
|
|
panel_padding = zr_style_property(config, ZR_PROPERTY_PADDING);
|
|
layout->at_x -= panel_padding.x;
|
|
layout->width += 2 * panel_padding.x;
|
|
}
|
|
/*----------------------------------------------------------------
|
|
*
|
|
* WINDOW WIDGETS
|
|
*
|
|
* --------------------------------------------------------------*/
|
|
void
|
|
zr_spacing(struct zr_context *l, zr_size cols)
|
|
{
|
|
zr_size i, index, rows;
|
|
struct zr_rect nil;
|
|
|
|
ZR_ASSERT(l);
|
|
ZR_ASSERT(l->style);
|
|
ZR_ASSERT(l->buffer);
|
|
if (!l) return;
|
|
if (!l->valid) return;
|
|
|
|
/* spacing over row boundries */
|
|
index = (l->row.index + cols) % l->row.columns;
|
|
rows = (l->row.index + cols) / l->row.columns;
|
|
if (rows) {
|
|
for (i = 0; i < rows; ++i)
|
|
zr_panel_alloc_row(l);
|
|
cols = index;
|
|
}
|
|
|
|
/* non table layout need to allocate space */
|
|
if (l->row.type != ZR_LAYOUT_DYNAMIC_FIXED &&
|
|
l->row.type != ZR_LAYOUT_STATIC_FIXED) {
|
|
for (i = 0; i < cols; ++i)
|
|
zr_panel_alloc_space(&nil, l);
|
|
}
|
|
l->row.index = index;
|
|
}
|
|
|
|
void
|
|
zr_seperator(struct zr_context *layout)
|
|
{
|
|
struct zr_command_buffer *out;
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_vec2 item_spacing;
|
|
struct zr_rect bounds;
|
|
ZR_ASSERT(layout);
|
|
if (!layout) return;
|
|
|
|
out = layout->buffer;
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
item_spacing = zr_style_property(config, ZR_PROPERTY_ITEM_SPACING);
|
|
|
|
bounds.h = 1;
|
|
bounds.w = MAX(layout->width, 2 * item_spacing.x + 2 * item_padding.x);
|
|
bounds.y = (layout->at_y + layout->row.height + item_padding.y) - layout->offset.y;
|
|
bounds.x = layout->at_x + item_spacing.x + item_padding.x - layout->offset.x;
|
|
bounds.w = bounds.w - (2 * item_spacing.x + 2 * item_padding.x);
|
|
zr_command_buffer_push_line(out, bounds.x, bounds.y, bounds.x + bounds.w,
|
|
bounds.y + bounds.h, config->colors[ZR_COLOR_BORDER]);
|
|
}
|
|
|
|
enum zr_widget_state
|
|
zr_widget(struct zr_rect *bounds, struct zr_context *layout)
|
|
{
|
|
struct zr_rect *c = 0;
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return ZR_WIDGET_INVALID;
|
|
if (!layout->valid || !layout->style || !layout->buffer) return ZR_WIDGET_INVALID;
|
|
|
|
/* allocated space for the panel and check if the widget needs to be updated */
|
|
zr_panel_alloc_space(bounds, layout);
|
|
c = &layout->clip;
|
|
if (!ZR_INTERSECT(c->x, c->y, c->w, c->h, bounds->x, bounds->y, bounds->w, bounds->h))
|
|
return ZR_WIDGET_INVALID;
|
|
if (!ZR_CONTAINS(bounds->x, bounds->y, bounds->w, bounds->h, c->x, c->y, c->w, c->h))
|
|
return ZR_WIDGET_ROM;
|
|
return ZR_WIDGET_VALID;
|
|
}
|
|
|
|
enum zr_widget_state
|
|
zr_widget_fitting(struct zr_rect *bounds, struct zr_context *layout)
|
|
{
|
|
/* update the bounds to stand without padding */
|
|
enum zr_widget_state state;
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
if (!layout) return ZR_WIDGET_INVALID;
|
|
if (!layout->valid || !layout->style || !layout->buffer)
|
|
return ZR_WIDGET_INVALID;
|
|
|
|
state = zr_widget(bounds, layout);
|
|
if (layout->row.index == 1) {
|
|
bounds->w += layout->style->properties[ZR_PROPERTY_PADDING].x;
|
|
bounds->x -= layout->style->properties[ZR_PROPERTY_PADDING].x;
|
|
} else bounds->x -= layout->style->properties[ZR_PROPERTY_ITEM_PADDING].x;
|
|
if (layout->row.index == layout->row.columns)
|
|
bounds->w += layout->style->properties[ZR_PROPERTY_PADDING].x;
|
|
else bounds->w += layout->style->properties[ZR_PROPERTY_ITEM_PADDING].x;
|
|
return state;
|
|
}
|
|
|
|
void
|
|
zr_text_colored(struct zr_context *layout, const char *str, zr_size len,
|
|
enum zr_text_align alignment, struct zr_color color)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_text text;
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return;
|
|
if (!layout->valid || !layout->style || !layout->buffer) return;
|
|
zr_panel_alloc_space(&bounds, layout);
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
|
|
text.padding.x = item_padding.x;
|
|
text.padding.y = item_padding.y;
|
|
text.background = config->colors[ZR_COLOR_WINDOW];
|
|
text.text = color;
|
|
zr_widget_text(layout->buffer, bounds, str, len, &text, alignment, &config->font);
|
|
}
|
|
|
|
void
|
|
zr_text_wrap_colored(struct zr_context *layout, const char *str,
|
|
zr_size len, struct zr_color color)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_text text;
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return;
|
|
if (!layout->valid || !layout->style || !layout->buffer) return;
|
|
zr_panel_alloc_space(&bounds, layout);
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
|
|
text.padding.x = item_padding.x;
|
|
text.padding.y = item_padding.y;
|
|
text.background = config->colors[ZR_COLOR_WINDOW];
|
|
text.text = color;
|
|
zr_widget_text_wrap(layout->buffer, bounds, str, len, &text, &config->font);
|
|
}
|
|
|
|
void
|
|
zr_text_wrap(struct zr_context *l, const char *str, zr_size len)
|
|
{zr_text_wrap_colored(l, str, len, l->style->colors[ZR_COLOR_TEXT]);}
|
|
|
|
void
|
|
zr_text(struct zr_context *l, const char *str, zr_size len,
|
|
enum zr_text_align alignment)
|
|
{zr_text_colored(l, str, len, alignment, l->style->colors[ZR_COLOR_TEXT]);}
|
|
|
|
void
|
|
zr_label_colored(struct zr_context *layout, const char *text,
|
|
enum zr_text_align align, struct zr_color color)
|
|
{zr_text_colored(layout, text, zr_strsiz(text), align, color);}
|
|
|
|
void
|
|
zr_label(struct zr_context *layout, const char *text,
|
|
enum zr_text_align align)
|
|
{zr_text(layout, text, zr_strsiz(text), align);}
|
|
|
|
void
|
|
zr_label_wrap(struct zr_context *l, const char *str)
|
|
{zr_text_wrap(l, str, zr_strsiz(str));}
|
|
|
|
void
|
|
zr_label_colored_wrap(struct zr_context *l, const char *str, struct zr_color color)
|
|
{zr_text_wrap_colored(l, str, zr_strsiz(str), color);}
|
|
|
|
void
|
|
zr_image(struct zr_context *layout, struct zr_image img)
|
|
{
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_rect bounds;
|
|
ZR_ASSERT(layout);
|
|
if (!zr_widget(&bounds, layout))
|
|
return;
|
|
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
bounds.x += item_padding.x;
|
|
bounds.y += item_padding.y;
|
|
bounds.w -= 2 * item_padding.x;
|
|
bounds.h -= 2 * item_padding.y;
|
|
zr_command_buffer_push_image(layout->buffer, bounds, &img);
|
|
}
|
|
|
|
static void
|
|
zr_fill_button(const struct zr_style *config, struct zr_button *button)
|
|
{
|
|
struct zr_vec2 item_padding;
|
|
zr_zero(button, sizeof(*button));
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
button->rounding = config->rounding[ZR_ROUNDING_BUTTON];
|
|
button->normal = config->colors[ZR_COLOR_BUTTON];
|
|
button->hover = config->colors[ZR_COLOR_BUTTON_HOVER];
|
|
button->active = config->colors[ZR_COLOR_BUTTON_ACTIVE];
|
|
button->border = config->colors[ZR_COLOR_BORDER];
|
|
button->border_width = 1;
|
|
button->padding.x = item_padding.x;
|
|
button->padding.y = item_padding.y;
|
|
}
|
|
|
|
enum zr_button_alloc {ZR_BUTTON_NORMAL, ZR_BUTTON_FITTING};
|
|
static enum zr_widget_state
|
|
zr_button(struct zr_button *button, struct zr_rect *bounds,
|
|
struct zr_context *layout, enum zr_button_alloc type)
|
|
{
|
|
const struct zr_style *config;
|
|
enum zr_widget_state state;
|
|
if (type == ZR_BUTTON_NORMAL)
|
|
state = zr_widget(bounds, layout);
|
|
else state = zr_widget_fitting(bounds, layout);
|
|
if (!state) return state;
|
|
zr_zero(button, sizeof(*button));
|
|
config = layout->style;
|
|
zr_fill_button(config, button);
|
|
return state;
|
|
}
|
|
|
|
int
|
|
zr_button_text(struct zr_context *layout, const char *str,
|
|
enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button_text button;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button.base, &bounds, layout, ZR_BUTTON_NORMAL);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
button.alignment = ZR_TEXT_CENTERED;
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
return zr_widget_button_text(layout->buffer, bounds, str, behavior,
|
|
&button, i, &config->font);
|
|
}
|
|
|
|
int
|
|
zr_button_color(struct zr_context *layout,
|
|
struct zr_color color, enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button button;
|
|
const struct zr_input *i;
|
|
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button, &bounds, layout, ZR_BUTTON_NORMAL);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
button.normal = color;
|
|
button.hover = color;
|
|
button.active = color;
|
|
return zr_widget_button(layout->buffer, bounds, &button, i, behavior, &bounds);
|
|
}
|
|
|
|
int
|
|
zr_button_symbol(struct zr_context *layout, enum zr_symbol symbol,
|
|
enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button_symbol button;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button.base, &bounds, layout, ZR_BUTTON_NORMAL);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
return zr_widget_button_symbol(layout->buffer, bounds, symbol,
|
|
behavior, &button, i, &config->font);
|
|
}
|
|
|
|
int
|
|
zr_button_image(struct zr_context *layout, struct zr_image image,
|
|
enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button_icon button;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button.base, &bounds, layout, ZR_BUTTON_NORMAL);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
button.padding = zr_vec2(0,0);
|
|
return zr_widget_button_image(layout->buffer, bounds, image, behavior, &button, i);
|
|
}
|
|
|
|
int
|
|
zr_button_text_symbol(struct zr_context *layout, enum zr_symbol symbol,
|
|
const char *text, enum zr_text_align align, enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button_text button;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button.base, &bounds, layout, ZR_BUTTON_NORMAL);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
button.alignment = ZR_TEXT_CENTERED;
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
return zr_widget_button_text_symbol(layout->buffer, bounds, symbol, text, align,
|
|
behavior, &button, &config->font, i);
|
|
}
|
|
|
|
int
|
|
zr_button_text_image(struct zr_context *layout, struct zr_image img,
|
|
const char *text, enum zr_text_align align, enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button_text button;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button.base, &bounds, layout, ZR_BUTTON_NORMAL);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
button.alignment = align;
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
return zr_widget_button_text_image(layout->buffer, bounds, img, text,
|
|
behavior, &button, &config->font, i);
|
|
}
|
|
|
|
int
|
|
zr_select(struct zr_context *layout, const char *str,
|
|
enum zr_text_align align, int value)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_text text;
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_color background;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(layout->style);
|
|
ZR_ASSERT(layout->buffer);
|
|
|
|
if (!layout) return value;
|
|
if (!layout->valid || !layout->style || !layout->buffer) return value;
|
|
zr_panel_alloc_space(&bounds, layout);
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
|
|
background = (!value) ? config->colors[ZR_COLOR_WINDOW]:
|
|
config->colors[ZR_COLOR_SELECTABLE];
|
|
if (zr_input_is_mouse_click_in_rect(layout->input, ZR_BUTTON_LEFT, bounds)) {
|
|
background = config->colors[ZR_COLOR_SELECTABLE_HOVER];
|
|
if (zr_input_has_mouse_click_in_rect(layout->input, ZR_BUTTON_LEFT, bounds)) {
|
|
if (zr_input_is_mouse_down(layout->input, ZR_BUTTON_LEFT))
|
|
value = !value;
|
|
}
|
|
}
|
|
|
|
text.padding.x = item_padding.x;
|
|
text.padding.y = item_padding.y;
|
|
text.background = background;
|
|
text.text = (!value) ? config->colors[ZR_COLOR_TEXT] :
|
|
config->colors[ZR_COLOR_SELECTABLE_TEXT];
|
|
|
|
zr_command_buffer_push_rect(layout->buffer, bounds, 0, background);
|
|
zr_widget_text(layout->buffer, bounds, str, zr_strsiz(str),
|
|
&text, align, &config->font);
|
|
return value;
|
|
}
|
|
|
|
int
|
|
zr_selectable(struct zr_context *layout, const char *str,
|
|
enum zr_text_align align, int *value)
|
|
{
|
|
int old = *value;
|
|
int ret = zr_select(layout, str, align, old);
|
|
*value = ret;
|
|
return ret != old;
|
|
}
|
|
|
|
static enum zr_widget_state
|
|
zr_toggle_base(struct zr_toggle *toggle, struct zr_rect *bounds,
|
|
struct zr_context *layout)
|
|
{
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
enum zr_widget_state state;
|
|
state = zr_widget(bounds, layout);
|
|
if (!state) return state;
|
|
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
toggle->rounding = 0;
|
|
toggle->padding.x = item_padding.x;
|
|
toggle->padding.y = item_padding.y;
|
|
toggle->font = config->colors[ZR_COLOR_TEXT];
|
|
return state;
|
|
}
|
|
|
|
int
|
|
zr_check(struct zr_context *layout, const char *text, int active)
|
|
{
|
|
zr_checkbox(layout, text, &active);
|
|
return active;
|
|
}
|
|
|
|
void
|
|
zr_checkbox(struct zr_context *layout, const char *text, int *is_active)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_toggle toggle;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_toggle_base(&toggle, &bounds, layout);
|
|
if (!state) return;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
toggle.rounding = config->rounding[ZR_ROUNDING_CHECK];
|
|
toggle.cursor = config->colors[ZR_COLOR_TOGGLE_CURSOR];
|
|
toggle.normal = config->colors[ZR_COLOR_TOGGLE];
|
|
toggle.hover = config->colors[ZR_COLOR_TOGGLE_HOVER];
|
|
zr_widget_toggle(layout->buffer, bounds, is_active, text, ZR_TOGGLE_CHECK,
|
|
&toggle, i, &config->font);
|
|
}
|
|
|
|
void
|
|
zr_radio(struct zr_context *layout, const char *text, int *active)
|
|
{
|
|
*active = zr_option(layout, text, *active);
|
|
}
|
|
|
|
int
|
|
zr_option(struct zr_context *layout, const char *text, int is_active)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_toggle toggle;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_toggle_base(&toggle, &bounds, layout);
|
|
if (!state) return is_active;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
toggle.cursor = config->colors[ZR_COLOR_TOGGLE_CURSOR];
|
|
toggle.normal = config->colors[ZR_COLOR_TOGGLE];
|
|
toggle.hover = config->colors[ZR_COLOR_TOGGLE_HOVER];
|
|
zr_widget_toggle(layout->buffer, bounds, &is_active, text, ZR_TOGGLE_OPTION,
|
|
&toggle, i, &config->font);
|
|
return is_active;
|
|
}
|
|
|
|
void
|
|
zr_slider_float(struct zr_context *layout, float min_value, float *value,
|
|
float max_value, float value_step)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_slider slider;
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_widget(&bounds, layout);
|
|
if (!state) return;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
slider.padding.x = item_padding.x;
|
|
slider.padding.y = item_padding.y;
|
|
slider.bg = config->colors[ZR_COLOR_SLIDER];
|
|
slider.normal = config->colors[ZR_COLOR_SLIDER_CURSOR];
|
|
slider.hover = config->colors[ZR_COLOR_SLIDER_CURSOR_HOVER];
|
|
slider.active = config->colors[ZR_COLOR_SLIDER_CURSOR_ACTIVE];
|
|
slider.border = config->colors[ZR_COLOR_BORDER];
|
|
slider.rounding = config->rounding[ZR_ROUNDING_SLIDER];
|
|
*value = zr_widget_slider(layout->buffer, bounds, min_value, *value, max_value,
|
|
value_step, &slider, i);
|
|
}
|
|
|
|
void
|
|
zr_slider_int(struct zr_context *layout, int min_value, int *value,
|
|
int max_value, int value_step)
|
|
{
|
|
float val = (float)*value;
|
|
zr_slider_float(layout, (float)min_value, &val,
|
|
(float)max_value, (float)value_step);
|
|
*value = (int)val;
|
|
}
|
|
|
|
void
|
|
zr_drag_float(struct zr_context *layout, float min, float *val,
|
|
float max, float inc_per_pixel)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_drag drag;
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
zr_zero(&drag, sizeof(drag));
|
|
state = zr_widget(&bounds, layout);
|
|
if (!state) return;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
|
|
drag.padding.x = item_padding.x;
|
|
drag.padding.y = item_padding.y;
|
|
drag.border = config->colors[ZR_COLOR_BORDER];
|
|
drag.normal = config->colors[ZR_COLOR_DRAG];
|
|
drag.hover = config->colors[ZR_COLOR_DRAG_HOVER];
|
|
drag.active = config->colors[ZR_COLOR_DRAG_ACTIVE];
|
|
drag.text = config->colors[ZR_COLOR_TEXT];
|
|
drag.text_active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
*val = zr_widget_drag(layout->buffer, bounds, min, *val, max,
|
|
inc_per_pixel, &drag, i, &config->font);
|
|
}
|
|
|
|
void zr_drag_int(struct zr_context *layout, int min, int *val,
|
|
int max, int inc_per_pixel)
|
|
{
|
|
float value = (float)*val;
|
|
zr_drag_float(layout, (float)min, &value,
|
|
(float)max, (float)inc_per_pixel);
|
|
*val = (int)value;
|
|
}
|
|
|
|
void
|
|
zr_progress(struct zr_context *layout, zr_size *cur_value, zr_size max_value,
|
|
int is_modifyable)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_progress prog;
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_widget(&bounds, layout);
|
|
if (!state) return;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
prog.rounding = config->rounding[ZR_ROUNDING_PROGRESS];
|
|
prog.padding.x = item_padding.x;
|
|
prog.padding.y = item_padding.y;
|
|
prog.border = config->colors[ZR_COLOR_BORDER];
|
|
prog.background = config->colors[ZR_COLOR_PROGRESS];
|
|
prog.normal = config->colors[ZR_COLOR_PROGRESS_CURSOR];
|
|
prog.hover = config->colors[ZR_COLOR_PROGRESS_CURSOR_HOVER];
|
|
prog.active = config->colors[ZR_COLOR_PROGRESS_CURSOR_ACTIVE];
|
|
prog.rounding = config->rounding[ZR_ROUNDING_PROGRESS];
|
|
*cur_value = zr_widget_progress(layout->buffer, bounds, *cur_value, max_value,
|
|
is_modifyable, &prog, i);
|
|
}
|
|
|
|
static enum zr_widget_state
|
|
zr_edit_base(struct zr_rect *bounds, struct zr_edit *field,
|
|
struct zr_context *layout)
|
|
{
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
enum zr_widget_state state = zr_widget(bounds, layout);
|
|
if (!state) return state;
|
|
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
field->border_size = 1;
|
|
field->rounding = config->rounding[ZR_ROUNDING_INPUT];
|
|
field->padding.x = item_padding.x;
|
|
field->padding.y = item_padding.y;
|
|
field->show_cursor = zr_true;
|
|
field->background = config->colors[ZR_COLOR_INPUT];
|
|
field->border = config->colors[ZR_COLOR_BORDER];
|
|
field->cursor = config->colors[ZR_COLOR_INPUT_CURSOR];
|
|
field->text = config->colors[ZR_COLOR_INPUT_TEXT];
|
|
return state;
|
|
}
|
|
|
|
void
|
|
zr_editbox(struct zr_context *layout, struct zr_edit_box *box)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_edit field;
|
|
const struct zr_style *config = layout->style;
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
|
|
state = zr_edit_base(&bounds, &field, layout);
|
|
if (!state) return;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
zr_widget_editbox(layout->buffer, bounds, box, &field, i, &config->font);
|
|
}
|
|
|
|
void
|
|
zr_edit(struct zr_context *layout, char *buffer, zr_size *len,
|
|
zr_size max, int *active, zr_size *cursor, enum zr_input_filter filter)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_edit field;
|
|
const struct zr_style *config = layout->style;
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
|
|
state = zr_edit_base(&bounds, &field, layout);
|
|
if (!state) return;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
*len = zr_widget_edit(layout->buffer, bounds, buffer, *len, max, active, cursor,
|
|
&field, filter, i, &config->font);
|
|
}
|
|
|
|
void
|
|
zr_edit_filtered(struct zr_context *layout, char *buffer, zr_size *len,
|
|
zr_size max, int *active, zr_size *cursor, zr_filter filter)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_edit field;
|
|
const struct zr_style *config = layout->style;
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
|
|
state = zr_edit_base(&bounds, &field, layout);
|
|
if (!state) return;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
*len = zr_widget_edit_filtered(layout->buffer, bounds, buffer, *len, max, active,
|
|
cursor, &field, filter, i, &config->font);
|
|
}
|
|
|
|
static enum zr_widget_state
|
|
zr_spinner_base(struct zr_context *layout, struct zr_rect *bounds,
|
|
struct zr_spinner *spinner)
|
|
{
|
|
struct zr_vec2 item_padding;
|
|
enum zr_widget_state state;
|
|
const struct zr_style *config;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(bounds);
|
|
ZR_ASSERT(spinner);
|
|
if (!layout || !bounds || !spinner)
|
|
return ZR_WIDGET_INVALID;
|
|
|
|
state = zr_widget(bounds, layout);
|
|
if (!state) return state;
|
|
config = layout->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
|
|
zr_fill_button(config, &spinner->button.base);
|
|
spinner->button.base.rounding = 0;
|
|
spinner->button.normal = config->colors[ZR_COLOR_TEXT];
|
|
spinner->button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
spinner->button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
spinner->button.base.padding = item_padding;
|
|
spinner->padding.x = item_padding.x;
|
|
spinner->padding.y = item_padding.y;
|
|
spinner->color = config->colors[ZR_COLOR_SPINNER];
|
|
spinner->border = config->colors[ZR_COLOR_BORDER];
|
|
spinner->text = config->colors[ZR_COLOR_TEXT];
|
|
spinner->show_cursor = zr_true;
|
|
return state;
|
|
}
|
|
|
|
void
|
|
zr_spinner_int(struct zr_context *layout, int min, int *value,
|
|
int max, int step, int *active)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_spinner spinner;
|
|
struct zr_command_buffer *out;
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
|
|
state = zr_spinner_base(layout, &bounds, &spinner);
|
|
if (!state) return;
|
|
out = layout->buffer;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
*value = zr_widget_spinner_int(out, bounds, &spinner, min, *value, max, step, active,
|
|
i, &layout->style->font);
|
|
}
|
|
|
|
void
|
|
zr_spinner_float(struct zr_context *layout, float min, float *value,
|
|
float max, float step, int *active)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_spinner spinner;
|
|
struct zr_command_buffer *out;
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
|
|
state = zr_spinner_base(layout, &bounds, &spinner);
|
|
if (!state) return;
|
|
out = layout->buffer;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
*value = zr_widget_spinner_float(out, bounds, &spinner, min, *value, max, step,
|
|
active, i, &layout->style->font);
|
|
}
|
|
/* -------------------------------------------------------------
|
|
*
|
|
* GRAPH
|
|
*
|
|
* --------------------------------------------------------------*/
|
|
void
|
|
zr_graph_begin(struct zr_context *layout, struct zr_graph *graph,
|
|
enum zr_graph_type type, zr_size count, float min_value, float max_value)
|
|
{
|
|
struct zr_rect bounds = {0, 0, 0, 0};
|
|
const struct zr_style *config;
|
|
struct zr_command_buffer *out;
|
|
struct zr_color color;
|
|
struct zr_vec2 item_padding;
|
|
if (!zr_widget(&bounds, layout)) {
|
|
zr_zero(graph, sizeof(*graph));
|
|
return;
|
|
}
|
|
|
|
/* draw graph background */
|
|
config = layout->style;
|
|
out = layout->buffer;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
color = (type == ZR_GRAPH_LINES) ?
|
|
config->colors[ZR_COLOR_PLOT]: config->colors[ZR_COLOR_HISTO];
|
|
zr_command_buffer_push_rect(out, bounds, config->rounding[ZR_ROUNDING_GRAPH], color);
|
|
|
|
/* setup basic generic graph */
|
|
graph->valid = zr_true;
|
|
graph->type = type;
|
|
graph->index = 0;
|
|
graph->count = count;
|
|
graph->min = min_value;
|
|
graph->max = max_value;
|
|
graph->x = bounds.x + item_padding.x;
|
|
graph->y = bounds.y + item_padding.y;
|
|
graph->w = bounds.w - 2 * item_padding.x;
|
|
graph->h = bounds.h - 2 * item_padding.y;
|
|
graph->w = MAX(graph->w, 2 * item_padding.x);
|
|
graph->h = MAX(graph->h, 2 * item_padding.y);
|
|
graph->last.x = 0; graph->last.y = 0;
|
|
}
|
|
|
|
static zr_flags
|
|
zr_graph_push_line(struct zr_context *layout,
|
|
struct zr_graph *g, float value)
|
|
{
|
|
struct zr_command_buffer *out = layout->buffer;
|
|
const struct zr_style *config = layout->style;
|
|
const struct zr_input *i = layout->input;
|
|
struct zr_color color;
|
|
zr_flags ret = 0;
|
|
float step, range, ratio;
|
|
struct zr_vec2 cur;
|
|
struct zr_rect bounds;
|
|
|
|
ZR_ASSERT(g);
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(out);
|
|
if (!g || !layout || !g->valid || g->index >= g->count)
|
|
return zr_false;
|
|
|
|
step = g->w / (float)g->count;
|
|
range = g->max - g->min;
|
|
ratio = (value - g->min) / range;
|
|
|
|
if (g->index == 0) {
|
|
/* special case for the first data point since it does not have a connection */
|
|
g->last.x = g->x;
|
|
g->last.y = (g->y + g->h) - ratio * (float)g->h;
|
|
bounds.x = g->last.x - 3;
|
|
bounds.y = g->last.y - 3;
|
|
bounds.w = 6;
|
|
bounds.h = 6;
|
|
|
|
color = config->colors[ZR_COLOR_PLOT_LINES];
|
|
if (!(layout->flags & ZR_WINDOW_ROM) &&
|
|
ZR_INBOX(i->mouse.pos.x,i->mouse.pos.y, g->last.x-3, g->last.y-3, 6, 6)){
|
|
ret = zr_input_is_mouse_hovering_rect(i, bounds) ? ZR_GRAPH_HOVERING : 0;
|
|
ret |= (i->mouse.buttons[ZR_BUTTON_LEFT].down &&
|
|
i->mouse.buttons[ZR_BUTTON_LEFT].clicked) ? ZR_GRAPH_CLICKED: 0;
|
|
color = config->colors[ZR_COLOR_PLOT_HIGHLIGHT];
|
|
}
|
|
zr_command_buffer_push_rect(out, bounds, 0, color);
|
|
g->index++;
|
|
return ret;
|
|
}
|
|
|
|
/* draw a line between the last data point and the new one */
|
|
cur.x = g->x + (float)(step * (float)g->index);
|
|
cur.y = (g->y + g->h) - (ratio * (float)g->h);
|
|
zr_command_buffer_push_line(out, g->last.x, g->last.y, cur.x, cur.y,
|
|
config->colors[ZR_COLOR_PLOT_LINES]);
|
|
|
|
bounds.x = cur.x - 3;
|
|
bounds.y = cur.y - 3;
|
|
bounds.w = 6;
|
|
bounds.h = 6;
|
|
|
|
/* user selection of the current data point */
|
|
color = config->colors[ZR_COLOR_PLOT_LINES];
|
|
if (!(layout->flags & ZR_WINDOW_ROM)) {
|
|
if (zr_input_is_mouse_hovering_rect(i, bounds)) {
|
|
ret = ZR_GRAPH_HOVERING;
|
|
ret |= (i->mouse.buttons[ZR_BUTTON_LEFT].down &&
|
|
i->mouse.buttons[ZR_BUTTON_LEFT].clicked) ? ZR_GRAPH_CLICKED: 0;
|
|
color = config->colors[ZR_COLOR_PLOT_HIGHLIGHT];
|
|
}
|
|
}
|
|
zr_command_buffer_push_rect(out, zr_rect(cur.x - 3, cur.y - 3, 6, 6), 0, color);
|
|
|
|
/* save current data point position */
|
|
g->last.x = cur.x;
|
|
g->last.y = cur.y;
|
|
g->index++;
|
|
return ret;
|
|
}
|
|
|
|
static zr_flags
|
|
zr_graph_push_column(struct zr_context *layout,
|
|
struct zr_graph *graph, float value)
|
|
{
|
|
struct zr_command_buffer *out = layout->buffer;
|
|
const struct zr_style *config = layout->style;
|
|
const struct zr_input *in = layout->input;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_color color;
|
|
|
|
float ratio;
|
|
zr_flags ret = 0;
|
|
struct zr_rect item = {0,0,0,0};
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
|
|
if (!graph->valid || graph->index >= graph->count)
|
|
return zr_false;
|
|
if (graph->count) {
|
|
float padding = (float)(graph->count-1) * item_padding.x;
|
|
item.w = (graph->w - padding) / (float)(graph->count);
|
|
}
|
|
|
|
ratio = ZR_ABS(value) / graph->max;
|
|
color = (value < 0) ? config->colors[ZR_COLOR_HISTO_NEGATIVE]:
|
|
config->colors[ZR_COLOR_HISTO_BARS];
|
|
|
|
/* calculate bounds of the current bar graph entry */
|
|
item.h = graph->h * ratio;
|
|
item.y = (graph->y + graph->h) - item.h;
|
|
item.x = graph->x + ((float)graph->index * item.w);
|
|
item.x = item.x + ((float)graph->index * item_padding.x);
|
|
|
|
/* user graph bar selection */
|
|
if (!(layout->flags & ZR_WINDOW_ROM) &&
|
|
ZR_INBOX(in->mouse.pos.x,in->mouse.pos.y,item.x,item.y,item.w,item.h)) {
|
|
ret = ZR_GRAPH_HOVERING;
|
|
ret |= (in->mouse.buttons[ZR_BUTTON_LEFT].down &&
|
|
in->mouse.buttons[ZR_BUTTON_LEFT].clicked) ? ZR_GRAPH_CLICKED: 0;
|
|
color = config->colors[ZR_COLOR_HISTO_HIGHLIGHT];
|
|
}
|
|
zr_command_buffer_push_rect(out, item, 0, color);
|
|
graph->index++;
|
|
return ret;
|
|
}
|
|
|
|
zr_flags
|
|
zr_graph_push(struct zr_context *layout, struct zr_graph *graph,
|
|
float value)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(graph);
|
|
if (!layout || !graph || !layout->valid) return zr_false;
|
|
switch (graph->type) {
|
|
case ZR_GRAPH_LINES:
|
|
return zr_graph_push_line(layout, graph, value);
|
|
case ZR_GRAPH_COLUMN:
|
|
return zr_graph_push_column(layout, graph, value);
|
|
case ZR_GRAPH_MAX:
|
|
default: return zr_false;
|
|
}
|
|
}
|
|
|
|
void
|
|
zr_graph_end(struct zr_context *layout, struct zr_graph *graph)
|
|
{
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(graph);
|
|
if (!layout || !graph) return;
|
|
graph->type = ZR_GRAPH_MAX;
|
|
graph->index = 0;
|
|
graph->count = 0;
|
|
graph->min = 0;
|
|
graph->max = 0;
|
|
graph->x = 0;
|
|
graph->y = 0;
|
|
graph->w = 0;
|
|
graph->h = 0;
|
|
}
|
|
|
|
/* -------------------------------------------------------------
|
|
*
|
|
* GROUPS
|
|
*
|
|
* --------------------------------------------------------------*/
|
|
void
|
|
zr_group_begin(struct zr_context *p, struct zr_context *g,
|
|
const char *title, zr_flags flags, struct zr_vec2 offset)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_window panel;
|
|
const struct zr_rect *c;
|
|
struct zr_rect temp;
|
|
|
|
ZR_ASSERT(p);
|
|
ZR_ASSERT(g);
|
|
if (!p || !g) return;
|
|
if (!p->valid)
|
|
goto failed;
|
|
|
|
/* allocate space for the group panel inside the panel */
|
|
c = &p->clip;
|
|
zr_panel_alloc_space(&bounds, p);
|
|
zr_zero(g, sizeof(*g));
|
|
if (!ZR_INTERSECT(c->x, c->y, c->w, c->h, bounds.x, bounds.y, bounds.w, bounds.h) &&
|
|
!(flags & ZR_WINDOW_MOVEABLE))
|
|
goto failed;
|
|
|
|
/* initialize a fake window to create the layout from */
|
|
flags |= ZR_WINDOW_TAB;
|
|
if (p->flags & ZR_WINDOW_ROM)
|
|
flags |= ZR_WINDOW_ROM;
|
|
temp = p->buffer->clip;
|
|
zr_window_init(&panel, bounds, flags, 0, p->style, p->input);
|
|
|
|
panel.buffer = *p->buffer;
|
|
zr_begin(g, &panel, title);
|
|
*p->buffer = panel.buffer;
|
|
g->buffer = p->buffer;
|
|
g->offset = offset;
|
|
g->queue = p->queue;
|
|
return;
|
|
|
|
failed:
|
|
/* invalid panels still need correct data */
|
|
g->valid = zr_false;
|
|
g->style = p->style;
|
|
g->buffer = p->buffer;
|
|
g->input = p->input;
|
|
g->queue = p->queue;
|
|
}
|
|
|
|
void
|
|
zr_group_end(struct zr_context *p, struct zr_context *g, struct zr_vec2 *scrollbar)
|
|
{
|
|
struct zr_window pan;
|
|
struct zr_command_buffer *out;
|
|
struct zr_rect clip;
|
|
|
|
ZR_ASSERT(p);
|
|
ZR_ASSERT(g);
|
|
if (!p || !g) return;
|
|
if (!p->valid) return;
|
|
zr_zero(&pan, sizeof(pan));
|
|
|
|
out = p->buffer;
|
|
pan.bounds.x = g->bounds.x;
|
|
pan.bounds.y = g->bounds.y;
|
|
pan.bounds.w = g->width;
|
|
pan.bounds.h = g->height;
|
|
pan.flags = g->flags|ZR_WINDOW_TAB;
|
|
|
|
/* setup clipping rect to finalize group panel drawing back to parent */
|
|
zr_unify(&clip, &p->clip, g->bounds.x, g->clip.y - g->header_h, g->bounds.x + g->bounds.w+1,
|
|
g->bounds.y + g->bounds.h + 1);
|
|
|
|
zr_command_buffer_push_scissor(out, clip);
|
|
zr_end(g, &pan);
|
|
zr_command_buffer_push_scissor(out, p->clip);
|
|
if (scrollbar)
|
|
*scrollbar = pan.offset;
|
|
}
|
|
/*
|
|
* -------------------------------------------------------------
|
|
*
|
|
* POPUP
|
|
*
|
|
* --------------------------------------------------------------
|
|
*/
|
|
zr_flags
|
|
zr_popup_begin(struct zr_context *parent, struct zr_context *popup,
|
|
enum zr_popup_type type, const char *title, zr_flags flags,
|
|
struct zr_rect rect, struct zr_vec2 scrollbar)
|
|
{
|
|
zr_flags ret;
|
|
struct zr_window panel;
|
|
ZR_ASSERT(parent);
|
|
ZR_ASSERT(popup);
|
|
if (!parent || !popup || !parent->valid) {
|
|
popup->valid = zr_false;
|
|
popup->style = parent->style;
|
|
popup->buffer = parent->buffer;
|
|
popup->input = parent->input;
|
|
return 0;
|
|
}
|
|
|
|
/* calculate bounds of the panel */
|
|
zr_zero(popup, sizeof(*popup));
|
|
rect.x += parent->clip.x;
|
|
rect.y += parent->clip.y;
|
|
parent->flags |= ZR_WINDOW_ROM;
|
|
|
|
/* initialize a fake window */
|
|
flags |= ZR_WINDOW_BORDER|ZR_WINDOW_TAB;
|
|
if (type == ZR_POPUP_DYNAMIC)
|
|
flags |= ZR_WINDOW_DYNAMIC;
|
|
zr_window_init(&panel, zr_rect(rect.x, rect.y, rect.w, rect.h),flags, 0,
|
|
parent->style, parent->input);
|
|
|
|
/* begin sub-buffer and create panel layout */
|
|
zr_command_buffer_push_scissor(parent->buffer, zr_null_rect);
|
|
zr_command_queue_start_child(parent->queue, parent->buffer);
|
|
panel.buffer = *parent->buffer;
|
|
ret = zr_begin(popup, &panel, title);
|
|
*parent->buffer = panel.buffer;
|
|
parent->flags |= ZR_WINDOW_ROM;
|
|
|
|
popup->buffer = parent->buffer;
|
|
popup->offset = scrollbar;
|
|
popup->queue = parent->queue;
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
zr_popup_close(struct zr_context *popup)
|
|
{
|
|
ZR_ASSERT(popup);
|
|
if (!popup || !popup->valid) return;
|
|
popup->flags |= ZR_WINDOW_HIDDEN;
|
|
popup->valid = zr_false;
|
|
}
|
|
|
|
void
|
|
zr_popup_end(struct zr_context *parent, struct zr_context *popup,
|
|
struct zr_vec2 *scrollbar)
|
|
{
|
|
struct zr_window pan;
|
|
struct zr_command_buffer *out;
|
|
|
|
ZR_ASSERT(parent);
|
|
ZR_ASSERT(popup);
|
|
if (!parent || !popup) return;
|
|
if (!parent->valid) return;
|
|
|
|
zr_zero(&pan, sizeof(pan));
|
|
if (popup->flags & ZR_WINDOW_HIDDEN) {
|
|
parent->flags |= ZR_WINDOW_REMOVE_ROM;
|
|
popup->valid = zr_true;
|
|
}
|
|
|
|
out = parent->buffer;
|
|
pan.bounds.x = popup->bounds.x;
|
|
pan.bounds.y = popup->bounds.y;
|
|
pan.bounds.w = popup->width;
|
|
pan.bounds.h = popup->height;
|
|
pan.flags = ZR_WINDOW_BORDER|ZR_WINDOW_TAB;
|
|
|
|
/* end popup and reset clipping rect back to parent panel */
|
|
zr_command_buffer_push_scissor(out, zr_null_rect);
|
|
zr_end(popup, &pan);
|
|
zr_command_queue_finish_child(parent->queue, parent->buffer);
|
|
zr_command_buffer_push_scissor(out, parent->clip);
|
|
if (scrollbar)
|
|
*scrollbar = pan.offset;
|
|
}
|
|
/*
|
|
* -------------------------------------------------------------
|
|
*
|
|
* CONTEXTUAL
|
|
*
|
|
* --------------------------------------------------------------
|
|
*/
|
|
static int
|
|
zr_popup_nonblocking_begin(struct zr_context *parent,
|
|
struct zr_context *popup, zr_flags flags, int *active, int is_active,
|
|
struct zr_rect body, struct zr_vec2 scrollbar)
|
|
{
|
|
/* deactivate popup if user clicked outside the popup*/
|
|
const struct zr_input *in = parent->input;
|
|
if (in && *active) {
|
|
int inbody = zr_input_is_mouse_click_in_rect(in, ZR_BUTTON_LEFT, body);
|
|
int inpanel = zr_input_is_mouse_click_in_rect(in, ZR_BUTTON_LEFT, parent->bounds);
|
|
if (!inbody && inpanel)
|
|
is_active = zr_false;
|
|
}
|
|
|
|
/* recalculate body bounds into local panel position */
|
|
body.x -= parent->clip.x;
|
|
body.y -= parent->clip.y;
|
|
|
|
/* if active create popup otherwise deactive the panel layout */
|
|
if (!is_active && *active) {
|
|
zr_popup_begin(parent, popup, ZR_POPUP_DYNAMIC, 0, flags, body, scrollbar);
|
|
zr_popup_close(popup);
|
|
popup->flags &= ~(zr_flags)ZR_WINDOW_MINIMIZED;
|
|
parent->flags &= ~(zr_flags)ZR_WINDOW_ROM;
|
|
} else if (!is_active && !*active) {
|
|
*active = is_active;
|
|
popup->flags |= ZR_WINDOW_MINIMIZED;
|
|
return zr_false;
|
|
} else {
|
|
zr_popup_begin(parent, popup, ZR_POPUP_DYNAMIC, 0, flags, body, zr_vec2(0,0));
|
|
popup->flags &= ~(zr_flags)ZR_WINDOW_MINIMIZED;
|
|
}
|
|
*active = is_active;
|
|
return zr_true;
|
|
}
|
|
|
|
static void
|
|
zr_popup_nonblocking_end(struct zr_context *parent,
|
|
struct zr_context *popup, struct zr_vec2 *scrollbar)
|
|
{
|
|
ZR_ASSERT(parent);
|
|
ZR_ASSERT(popup);
|
|
if (!parent || !popup) return;
|
|
if (!parent->valid) return;
|
|
if (!(popup->flags & ZR_WINDOW_MINIMIZED))
|
|
zr_popup_end(parent, popup, scrollbar);
|
|
}
|
|
|
|
void
|
|
zr_contextual_begin(struct zr_context *parent, struct zr_context *popup,
|
|
zr_flags flags, int *active, struct zr_rect body)
|
|
{
|
|
ZR_ASSERT(parent);
|
|
ZR_ASSERT(popup);
|
|
ZR_ASSERT(active);
|
|
if (!parent || !popup || !active) return;
|
|
zr_popup_nonblocking_begin(parent, popup, flags, active, *active, body, zr_vec2(0,0));
|
|
}
|
|
|
|
static int
|
|
zr_contextual_button(struct zr_context *layout, const char *text,
|
|
enum zr_text_align align, enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button_text button;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button.base, &bounds, layout, ZR_BUTTON_FITTING);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
button.base.border_width = 0;
|
|
button.base.normal = config->colors[ZR_COLOR_WINDOW];
|
|
button.base.border = config->colors[ZR_COLOR_WINDOW];
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
button.alignment = align;
|
|
return zr_widget_button_text(layout->buffer, bounds, text, behavior,
|
|
&button, i, &config->font);
|
|
}
|
|
|
|
static int
|
|
zr_contextual_button_symbol(struct zr_context *layout, enum zr_symbol symbol,
|
|
const char *text, enum zr_text_align align, enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button_text button;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button.base, &bounds, layout, ZR_BUTTON_FITTING);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
button.base.border_width = 0;
|
|
button.base.normal = config->colors[ZR_COLOR_WINDOW];
|
|
button.base.border = config->colors[ZR_COLOR_WINDOW];
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
return zr_widget_button_text_symbol(layout->buffer, bounds, symbol, text, align,
|
|
behavior, &button, &config->font, i);
|
|
}
|
|
|
|
static int
|
|
zr_contextual_button_icon(struct zr_context *layout, struct zr_image img,
|
|
const char *text, enum zr_text_align align, enum zr_button_behavior behavior)
|
|
{
|
|
struct zr_rect bounds;
|
|
struct zr_button_text button;
|
|
const struct zr_style *config;
|
|
|
|
const struct zr_input *i;
|
|
enum zr_widget_state state;
|
|
state = zr_button(&button.base, &bounds, layout, ZR_BUTTON_FITTING);
|
|
if (!state) return zr_false;
|
|
i = (state == ZR_WIDGET_ROM || layout->flags & ZR_WINDOW_ROM) ? 0 : layout->input;
|
|
|
|
config = layout->style;
|
|
button.base.border_width = 0;
|
|
button.base.normal = config->colors[ZR_COLOR_WINDOW];
|
|
button.base.border = config->colors[ZR_COLOR_WINDOW];
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
button.alignment = align;
|
|
return zr_widget_button_text_image(layout->buffer, bounds, img, text,
|
|
behavior, &button, &config->font, i);
|
|
}
|
|
|
|
int
|
|
zr_contextual_item(struct zr_context *menu, const char *title, enum zr_text_align align)
|
|
{
|
|
ZR_ASSERT(menu);
|
|
if (zr_contextual_button(menu, title, align, ZR_BUTTON_DEFAULT)) {
|
|
zr_contextual_close(menu);
|
|
return zr_true;
|
|
}
|
|
return zr_false;
|
|
}
|
|
|
|
int
|
|
zr_contextual_item_icon(struct zr_context *menu, struct zr_image img,
|
|
const char *title, enum zr_text_align align)
|
|
{
|
|
ZR_ASSERT(menu);
|
|
if (zr_contextual_button_icon(menu, img, title, align, ZR_BUTTON_DEFAULT)){
|
|
zr_contextual_close(menu);
|
|
return zr_true;
|
|
}
|
|
return zr_false;
|
|
}
|
|
|
|
int
|
|
zr_contextual_item_symbol(struct zr_context *menu, enum zr_symbol symbol,
|
|
const char *title, enum zr_text_align align)
|
|
{
|
|
ZR_ASSERT(menu);
|
|
if (zr_contextual_button_symbol(menu, symbol, title, align, ZR_BUTTON_DEFAULT)){
|
|
zr_contextual_close(menu);
|
|
return zr_true;
|
|
}
|
|
return zr_false;
|
|
}
|
|
|
|
void
|
|
zr_contextual_close(struct zr_context *popup)
|
|
{
|
|
ZR_ASSERT(popup);
|
|
if (!popup) return;
|
|
zr_popup_close(popup);
|
|
popup->flags |= ZR_WINDOW_HIDDEN;
|
|
}
|
|
|
|
void
|
|
zr_contextual_end(struct zr_context *parent, struct zr_context *menu, int *state)
|
|
{
|
|
ZR_ASSERT(parent);
|
|
ZR_ASSERT(menu);
|
|
if (!parent || !menu)
|
|
goto failed;
|
|
if (!parent->valid)
|
|
goto failed;
|
|
if ((!parent->valid) || (!menu->valid && !(menu->flags & ZR_WINDOW_HIDDEN)))
|
|
goto failed;
|
|
zr_popup_nonblocking_end(parent, menu, 0);
|
|
if (menu->flags & ZR_WINDOW_HIDDEN)
|
|
goto failed;
|
|
if (state) *state = zr_true;
|
|
return;
|
|
failed:
|
|
if (state) *state = zr_false;
|
|
}
|
|
/* -------------------------------------------------------------
|
|
*
|
|
* COMBO
|
|
*
|
|
* --------------------------------------------------------------*/
|
|
void
|
|
zr_combo_begin(struct zr_context *parent, struct zr_context *combo,
|
|
const char *selected, int *active)
|
|
{
|
|
struct zr_rect bounds = {0,0,0,0};
|
|
const struct zr_input *in;
|
|
const struct zr_style *config;
|
|
struct zr_command_buffer *out;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_rect header;
|
|
int is_active;
|
|
|
|
ZR_ASSERT(parent);
|
|
ZR_ASSERT(combo);
|
|
ZR_ASSERT(selected);
|
|
ZR_ASSERT(active);
|
|
if (!parent || !combo || !selected || !active) return;
|
|
if (!parent->valid || !zr_widget(&header, parent))
|
|
goto failed;
|
|
|
|
zr_zero(combo, sizeof(*combo));
|
|
in = (parent->flags & ZR_WINDOW_ROM) ? 0 : parent->input;
|
|
is_active = *active;
|
|
out = parent->buffer;
|
|
config = parent->style;
|
|
item_padding = zr_style_property(config, ZR_PROPERTY_ITEM_PADDING);
|
|
|
|
/* draw combo box header background and border */
|
|
zr_command_buffer_push_rect(out, header, 0, config->colors[ZR_COLOR_BORDER]);
|
|
zr_command_buffer_push_rect(out, zr_shrink_rect(header, 1), 0,
|
|
config->colors[ZR_COLOR_SPINNER]);
|
|
|
|
{
|
|
/* print currently selected item */
|
|
zr_size text_len;
|
|
struct zr_rect label;
|
|
label.x = header.x + item_padding.x;
|
|
label.y = header.y + item_padding.y;
|
|
label.w = header.w - (header.h + 2 * item_padding.x);
|
|
label.h = header.h - 2 * item_padding.y;
|
|
text_len = zr_strsiz(selected);
|
|
zr_command_buffer_push_text(out, label, selected, text_len, &config->font,
|
|
config->colors[ZR_COLOR_WINDOW], config->colors[ZR_COLOR_TEXT]);
|
|
}
|
|
{
|
|
/* button setup and execution */
|
|
struct zr_button_symbol button;
|
|
bounds.y = header.y + 2;
|
|
bounds.h = MAX(2, header.h);
|
|
bounds.h = bounds.h - 4;
|
|
bounds.w = bounds.h - 4;
|
|
bounds.x = (header.x + header.w) - (bounds.w+4);
|
|
|
|
button.base.rounding = 0;
|
|
button.base.border_width = 0;
|
|
button.base.padding.x = bounds.w/4.0f;
|
|
button.base.padding.y = bounds.h/4.0f;
|
|
button.base.border = config->colors[ZR_COLOR_SPINNER];
|
|
button.base.normal = config->colors[ZR_COLOR_SPINNER];
|
|
button.base.hover = config->colors[ZR_COLOR_SPINNER];
|
|
button.base.active = config->colors[ZR_COLOR_SPINNER];
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT_HOVERING];
|
|
button.active = config->colors[ZR_COLOR_TEXT_ACTIVE];
|
|
if (zr_widget_button_symbol(out, bounds, ZR_SYMBOL_TRIANGLE_DOWN,
|
|
ZR_BUTTON_DEFAULT, &button, in, &config->font))
|
|
is_active = !is_active;
|
|
}
|
|
{
|
|
/* calculate the maximum height of the combo box*/
|
|
struct zr_rect body;
|
|
body.x = header.x;
|
|
body.w = header.w;
|
|
body.y = header.y + header.h;
|
|
body.h = zr_null_rect.h;
|
|
if (!zr_popup_nonblocking_begin(parent, combo, ZR_WINDOW_COMBO_MENU|ZR_WINDOW_NO_SCROLLBAR,
|
|
active, is_active, body, zr_vec2(0,0))) goto failed;
|
|
}
|
|
return;
|
|
|
|
failed:
|
|
zr_zero(combo, sizeof(*combo));
|
|
combo->valid = zr_false;
|
|
combo->style = parent->style;
|
|
combo->buffer = parent->buffer;
|
|
combo->input = parent->input;
|
|
combo->queue = parent->queue;
|
|
}
|
|
|
|
int zr_combo_item(struct zr_context *combo, const char *title, enum zr_text_align align)
|
|
{return zr_contextual_item(combo, title, align);}
|
|
|
|
int zr_combo_item_icon(struct zr_context *menu, struct zr_image img,
|
|
const char *title, enum zr_text_align align)
|
|
{return zr_contextual_item_icon(menu, img, title, align);}
|
|
|
|
int zr_combo_item_symbol(struct zr_context *menu, enum zr_symbol symbol,
|
|
const char *title, enum zr_text_align align)
|
|
{return zr_contextual_item_symbol(menu, symbol, title, align);}
|
|
|
|
void zr_combo_end(struct zr_context *parent, struct zr_context *menu, int *state)
|
|
{zr_contextual_end(parent, menu, state);}
|
|
|
|
void zr_combo_close(struct zr_context *combo)
|
|
{zr_contextual_close(combo);}
|
|
/*
|
|
* -------------------------------------------------------------
|
|
*
|
|
* MENU
|
|
*
|
|
* --------------------------------------------------------------
|
|
*/
|
|
void
|
|
zr_menu_begin(struct zr_context *parent, struct zr_context *menu,
|
|
const char *title, float width, int *active)
|
|
{
|
|
const struct zr_input *in;
|
|
const struct zr_style *config;
|
|
struct zr_rect header;
|
|
int is_active;
|
|
|
|
ZR_ASSERT(parent);
|
|
ZR_ASSERT(menu);
|
|
ZR_ASSERT(title);
|
|
ZR_ASSERT(active);
|
|
if (!parent || !menu || !title || !active) return;
|
|
if (!parent->valid) goto failed;
|
|
|
|
is_active = *active;
|
|
in = parent->input;
|
|
config = parent->style;
|
|
zr_zero(menu, sizeof(*menu));
|
|
{
|
|
/* exeucte menu button for open/closing the popup */
|
|
struct zr_button_text button;
|
|
zr_zero(&button, sizeof(header));
|
|
zr_button(&button.base, &header, parent, ZR_BUTTON_NORMAL);
|
|
button.alignment = ZR_TEXT_CENTERED;
|
|
button.base.rounding = 0;
|
|
button.base.border = (*active) ? config->colors[ZR_COLOR_BORDER]:
|
|
config->colors[ZR_COLOR_WINDOW];
|
|
button.base.normal = (is_active) ? config->colors[ZR_COLOR_BUTTON_HOVER]:
|
|
config->colors[ZR_COLOR_WINDOW];
|
|
button.base.active = config->colors[ZR_COLOR_WINDOW];
|
|
button.normal = config->colors[ZR_COLOR_TEXT];
|
|
button.active = config->colors[ZR_COLOR_TEXT];
|
|
button.hover = config->colors[ZR_COLOR_TEXT];
|
|
if (zr_widget_button_text(parent->buffer, header, title, ZR_BUTTON_DEFAULT,
|
|
&button, in, &config->font))
|
|
is_active = !is_active;
|
|
}
|
|
{
|
|
/* calculate the maximum height of the menu */
|
|
struct zr_rect body;
|
|
body.x = header.x;
|
|
body.w = width;
|
|
body.y = header.y + header.h;
|
|
body.h = (parent->bounds.y + parent->bounds.h) - body.y;
|
|
if (!zr_popup_nonblocking_begin(parent, menu, ZR_WINDOW_COMBO_MENU|ZR_WINDOW_NO_SCROLLBAR, active,
|
|
is_active, body, zr_vec2(0,0))) goto failed;
|
|
}
|
|
return;
|
|
|
|
failed:
|
|
zr_zero(menu, sizeof(*menu));
|
|
menu->valid = zr_false;
|
|
menu->style = parent->style;
|
|
menu->buffer = parent->buffer;
|
|
menu->input = parent->input;
|
|
menu->queue = parent->queue;
|
|
}
|
|
|
|
int zr_menu_item(struct zr_context *menu, enum zr_text_align align, const char *title)
|
|
{return zr_contextual_item(menu, title, align);}
|
|
|
|
int zr_menu_item_icon(struct zr_context *menu, struct zr_image img,
|
|
const char *title, enum zr_text_align align)
|
|
{return zr_contextual_item_icon(menu, img, title, align);}
|
|
|
|
int zr_menu_item_symbol(struct zr_context *menu, enum zr_symbol symbol,
|
|
const char *title, enum zr_text_align align)
|
|
{return zr_contextual_item_symbol(menu, symbol, title, align);}
|
|
|
|
void zr_menu_close(struct zr_context *menu, int *state)
|
|
{zr_popup_close(menu); *state = zr_false;}
|
|
|
|
void
|
|
zr_menu_end(struct zr_context *parent, struct zr_context *menu)
|
|
{
|
|
ZR_ASSERT(parent);
|
|
ZR_ASSERT(menu);
|
|
if (!parent || !menu) return;
|
|
if (!parent->valid) return;
|
|
zr_popup_nonblocking_end(parent, menu, 0);
|
|
}
|
|
/*
|
|
* -------------------------------------------------------------
|
|
*
|
|
* TOOLTIP
|
|
*
|
|
* --------------------------------------------------------------
|
|
*/
|
|
void
|
|
zr_tooltip_begin(struct zr_context *parent, struct zr_context *tip, float width)
|
|
{
|
|
const struct zr_input *in;
|
|
struct zr_rect bounds;
|
|
ZR_ASSERT(tip);
|
|
ZR_ASSERT(parent);
|
|
if (!tip || !parent || !parent->valid || parent->flags & ZR_WINDOW_ROM) {
|
|
zr_zero(tip, sizeof(*tip));
|
|
tip->valid = zr_false;
|
|
tip->style = parent->style;
|
|
tip->buffer = parent->buffer;
|
|
tip->input = parent->input;
|
|
tip->queue = parent->queue;
|
|
return;
|
|
}
|
|
|
|
in = parent->input;
|
|
bounds.w = width;
|
|
bounds.h = zr_null_rect.h;
|
|
bounds.x = (in->mouse.pos.x + 1) - parent->clip.x;
|
|
bounds.y = (in->mouse.pos.y + 1) - parent->clip.y;
|
|
zr_popup_begin(parent, tip, ZR_POPUP_DYNAMIC, 0, ZR_WINDOW_NO_SCROLLBAR, bounds, zr_vec2(0,0));
|
|
}
|
|
|
|
void
|
|
zr_tooltip_end(struct zr_context *parent, struct zr_context *tip)
|
|
{
|
|
if (!parent || !tip || !parent->valid) return;
|
|
zr_popup_close(tip);
|
|
zr_popup_end(parent, tip, 0);
|
|
}
|
|
|
|
void
|
|
zr_tooltip(struct zr_context *layout, const char *text)
|
|
{
|
|
zr_size text_len;
|
|
zr_size text_width;
|
|
zr_size text_height;
|
|
|
|
struct zr_context tip;
|
|
const struct zr_style *config;
|
|
struct zr_vec2 item_padding;
|
|
struct zr_vec2 padding;
|
|
|
|
ZR_ASSERT(layout);
|
|
ZR_ASSERT(text);
|
|
if (!layout || !text || !layout->valid || layout->flags & ZR_WINDOW_ROM)
|
|
return;
|
|
|
|
/* fetch configuration data */
|
|
config = layout->style;
|
|
padding = config->properties[ZR_PROPERTY_PADDING];
|
|
item_padding = config->properties[ZR_PROPERTY_ITEM_PADDING];
|
|
|
|
/* calculate size of the text and tooltip */
|
|
text_len = zr_strsiz(text);
|
|
text_width = config->font.width(config->font.userdata, config->font.height, text, text_len);
|
|
text_width += (zr_size)(2 * padding.x + 2 * item_padding.x);
|
|
text_height = (zr_size)(config->font.height + 2 * item_padding.y);
|
|
|
|
/* execute tooltip and fill with text */
|
|
zr_tooltip_begin(layout, &tip, (float)text_width);
|
|
zr_layout_row_dynamic(&tip, (float)text_height, 1);
|
|
zr_text(&tip, text, text_len, ZR_TEXT_LEFT);
|
|
zr_tooltip_end(layout, &tip);
|
|
}
|
|
|