359 lines
12 KiB
C
359 lines
12 KiB
C
/*
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Copyright (c) 2015
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vurtun <polygone@gmx.net>
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MIT licence
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*/
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#ifndef GUI_H_
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#define GUI_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GUI_UTF_SIZE 4
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#define GUI_INPUT_MAX 16
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#ifdef GUI_USE_FIXED_TYPES
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#include <stdint.h>
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typedef int32_t gui_int;
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typedef int32_t gui_bool;
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typedef int16_t gui_short;
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typedef int64_t gui_long;
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typedef float gui_float;
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typedef uint32_t gui_uint;
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typedef uint64_t gui_ulong;
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typedef uint32_t gui_flags;
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typedef uint8_t gui_char;
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typedef uint8_t gui_byte;
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typedef uint32_t gui_flag;
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typedef uint64_t gui_size;
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#else
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typedef int gui_int;
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typedef int gui_bool;
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typedef short gui_short;
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typedef long gui_long;
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typedef float gui_float;
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typedef unsigned int gui_uint;
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typedef unsigned long gui_ulong;
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typedef unsigned int gui_flags;
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typedef unsigned char gui_char;
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typedef unsigned char gui_byte;
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typedef unsigned int gui_flag;
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typedef unsigned long gui_size;
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#endif
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enum {gui_false, gui_true};
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enum gui_heading {GUI_UP, GUI_RIGHT, GUI_DOWN, GUI_LEFT};
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struct gui_color {gui_byte r,g,b,a;};
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struct gui_colorf {gui_float r,g,b,a;};
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struct gui_vec2 {gui_float x,y;};
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struct gui_rect {gui_float x,y,w,h;};
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struct gui_key {gui_bool down, clicked;};
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struct gui_font;
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typedef struct gui_panel gui_tab;
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typedef struct gui_panel gui_group;
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typedef struct gui_panel gui_shelf;
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typedef gui_char gui_glyph[GUI_UTF_SIZE];
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typedef union {void* handle; gui_uint id;} gui_texture;
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typedef gui_size(*gui_text_width_f)(void*,const gui_char*, gui_size);
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typedef void(*gui_scissor)(void*, gui_float, gui_float, gui_float, gui_float);
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typedef void(*gui_draw_line)(void*, gui_float, gui_float, gui_float, gui_float, struct gui_color);
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typedef void(*gui_draw_rect)(void*, gui_float, gui_float, gui_float, gui_float, struct gui_color);
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typedef void(*gui_draw_circle)(void*, gui_float, gui_float, gui_float, gui_float, struct gui_color);
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typedef void(*gui_draw_triangle)(void*, const struct gui_vec2*, struct gui_color);
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typedef void(*gui_draw_text)(void*, gui_float, gui_float, gui_float, gui_float,
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const gui_char*, gui_size, const struct gui_font*,
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struct gui_color, struct gui_color);
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struct gui_font {
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void *userdata;
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gui_float height;
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gui_text_width_f width;
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};
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enum gui_keys {
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GUI_KEY_SHIFT,
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GUI_KEY_CTRL,
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GUI_KEY_DEL,
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GUI_KEY_ENTER,
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GUI_KEY_BACKSPACE,
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GUI_KEY_ESCAPE,
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GUI_KEY_SPACE,
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GUI_KEY_MAX
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};
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struct gui_input {
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struct gui_key keys[GUI_KEY_MAX];
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gui_char text[GUI_INPUT_MAX];
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gui_size text_len;
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struct gui_vec2 mouse_pos;
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struct gui_vec2 mouse_prev;
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struct gui_vec2 mouse_delta;
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gui_bool mouse_down;
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gui_uint mouse_clicked;
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struct gui_vec2 mouse_clicked_pos;
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};
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struct gui_canvas {
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void *userdata;
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gui_size width;
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gui_size height;
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struct gui_font font;
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gui_scissor scissor;
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gui_draw_line draw_line;
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gui_draw_rect draw_rect;
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gui_draw_circle draw_circle;
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gui_draw_triangle draw_triangle;
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gui_draw_text draw_text;
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};
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enum gui_text_align {
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GUI_TEXT_LEFT,
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GUI_TEXT_CENTERED,
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GUI_TEXT_RIGHT
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};
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struct gui_text {
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struct gui_vec2 padding;
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enum gui_text_align align;
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struct gui_color foreground;
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struct gui_color background;
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};
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struct gui_image {
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struct gui_vec2 padding;
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struct gui_color background;
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};
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enum gui_button_behavior {
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GUI_BUTTON_DEFAULT,
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GUI_BUTTON_REPEATER
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};
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struct gui_button {
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gui_float border;
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struct gui_vec2 padding;
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struct gui_color background;
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struct gui_color foreground;
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struct gui_color content;
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struct gui_color highlight;
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struct gui_color highlight_content;
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};
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enum gui_toggle_type {
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GUI_TOGGLE_CHECK,
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GUI_TOGGLE_OPTION
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};
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struct gui_toggle {
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struct gui_vec2 padding;
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struct gui_color font;
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struct gui_color background;
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struct gui_color foreground;
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};
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struct gui_slider {
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struct gui_vec2 padding;
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struct gui_color background;
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struct gui_color foreground;
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};
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struct gui_scroll {
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struct gui_color background;
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struct gui_color foreground;
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struct gui_color border;
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};
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enum gui_input_filter {
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GUI_INPUT_DEFAULT,
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GUI_INPUT_FLOAT,
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GUI_INPUT_DEC,
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GUI_INPUT_HEX,
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GUI_INPUT_OCT,
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GUI_INPUT_BIN
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};
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struct gui_input_field {
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struct gui_vec2 padding;
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gui_bool show_cursor;
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enum gui_input_filter filter;
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struct gui_color background;
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struct gui_color foreground;
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struct gui_color font;
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};
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struct gui_plot {
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struct gui_vec2 padding;
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struct gui_color background;
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struct gui_color foreground;
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struct gui_color highlight;
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};
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struct gui_histo {
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struct gui_vec2 padding;
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struct gui_color background;
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struct gui_color foreground;
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struct gui_color negative;
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struct gui_color highlight;
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};
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enum gui_panel_colors {
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GUI_COLOR_TEXT,
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GUI_COLOR_PANEL,
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GUI_COLOR_BORDER,
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GUI_COLOR_TITLEBAR,
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GUI_COLOR_BUTTON,
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GUI_COLOR_BUTTON_BORDER,
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GUI_COLOR_BUTTON_HOVER,
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GUI_COLOR_BUTTON_HOVER_FONT,
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GUI_COLOR_CHECK,
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GUI_COLOR_CHECK_ACTIVE,
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GUI_COLOR_OPTION,
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GUI_COLOR_OPTION_ACTIVE,
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GUI_COLOR_SCROLL,
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GUI_COLOR_SCROLL_CURSOR,
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GUI_COLOR_SLIDER,
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GUI_COLOR_SLIDER_CURSOR,
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GUI_COLOR_PROGRESS,
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GUI_COLOR_PROGRESS_CURSOR,
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GUI_COLOR_INPUT,
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GUI_COLOR_INPUT_BORDER,
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GUI_COLOR_SPINNER,
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GUI_COLOR_SPINNER_BORDER,
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GUI_COLOR_SELECTOR,
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GUI_COLOR_SELECTOR_BORDER,
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GUI_COLOR_HISTO,
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GUI_COLOR_HISTO_BARS,
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GUI_COLOR_HISTO_NEGATIVE,
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GUI_COLOR_HISTO_HIGHLIGHT,
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GUI_COLOR_PLOT,
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GUI_COLOR_PLOT_LINES,
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GUI_COLOR_PLOT_HIGHLIGHT,
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GUI_COLOR_SCROLLBAR,
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GUI_COLOR_SCROLLBAR_CURSOR,
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GUI_COLOR_SCROLLBAR_BORDER,
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GUI_COLOR_SCALER,
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GUI_COLOR_COUNT
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};
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struct gui_config {
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struct gui_vec2 panel_padding;
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struct gui_vec2 panel_min_size;
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struct gui_vec2 item_spacing;
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struct gui_vec2 item_padding;
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struct gui_vec2 scaler_size;
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gui_float scrollbar_width;
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struct gui_color colors[GUI_COLOR_COUNT];
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};
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enum gui_panel_flags {
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GUI_PANEL_HIDDEN = 0x01,
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GUI_PANEL_BORDER = 0x02,
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GUI_PANEL_MINIMIZABLE = 0x4,
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GUI_PANEL_CLOSEABLE = 0x8,
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GUI_PANEL_MOVEABLE = 0x10,
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GUI_PANEL_SCALEABLE = 0x20,
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/* internal */
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GUI_PANEL_SCROLLBAR = 0x40,
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GUI_PANEL_TAB = 0x80
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};
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struct gui_panel {
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gui_flags flags;
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gui_float x, y;
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gui_float w, h;
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gui_float at_y;
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gui_float width, height;
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gui_size index;
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gui_float header_height;
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gui_float row_height;
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gui_size row_columns;
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gui_float offset;
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gui_bool minimized;
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struct gui_rect clip;
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const struct gui_input *in;
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const struct gui_config *config;
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const struct gui_canvas *canvas;
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};
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/* Input */
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void gui_input_begin(struct gui_input*);
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void gui_input_motion(struct gui_input*, gui_int x, gui_int y);
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void gui_input_key(struct gui_input*, enum gui_keys, gui_bool down);
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void gui_input_button(struct gui_input*, gui_int x, gui_int y, gui_bool down);
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void gui_input_char(struct gui_input*, const gui_glyph);
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void gui_input_end(struct gui_input*);
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/* Widgets */
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void gui_text(const struct gui_canvas*, gui_float x, gui_float y, gui_float w, gui_float h,
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const struct gui_text*, const char *text, gui_size len);
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gui_bool gui_button_text(const struct gui_canvas*, gui_float x, gui_float y,
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gui_float w, gui_float h, const struct gui_button*, const char*,
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enum gui_button_behavior, const struct gui_input*);
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gui_bool gui_button_triangle(const struct gui_canvas*, gui_float x, gui_float y,
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gui_float w, gui_float h, const struct gui_button*, enum gui_heading,
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enum gui_button_behavior, const struct gui_input*);
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gui_bool gui_toggle(const struct gui_canvas*, gui_float x, gui_float y, gui_float w,
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gui_float h, gui_bool, const char*, const struct gui_toggle*,
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enum gui_toggle_type, const struct gui_input*);
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gui_float gui_slider(const struct gui_canvas*, gui_float x, gui_float y, gui_float w,
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gui_float h, gui_float min, gui_float val, gui_float max, gui_float step,
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const struct gui_slider*, const struct gui_input*);
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gui_size gui_progress(const struct gui_canvas*, gui_float x, gui_float y, gui_float w,
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gui_float h, gui_size value, gui_size max, gui_bool modifyable,
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const struct gui_slider*, const struct gui_input*);
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gui_size gui_input(const struct gui_canvas*, gui_float x, gui_float y, gui_float w,
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gui_float h, gui_char*, gui_size, gui_size max, gui_bool*,
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const struct gui_input_field*, const struct gui_input*);
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gui_int gui_histo(const struct gui_canvas*, gui_float x, gui_float y, gui_float w,
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gui_float h, const gui_float*, gui_size,
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const struct gui_histo*, const struct gui_input*);
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gui_int gui_plot(const struct gui_canvas*, gui_float x, gui_float y, gui_float w,
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gui_float h, const gui_float*, gui_size,
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const struct gui_plot*, const struct gui_input*);
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gui_float gui_scroll(const struct gui_canvas*, gui_float x, gui_float y,
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gui_float w, gui_float h, gui_float offset, gui_float target,
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gui_float step, const struct gui_scroll*, const struct gui_input*);
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/* Panel */
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void gui_default_config(struct gui_config*);
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gui_bool gui_panel_is_hidden(const struct gui_panel*);
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gui_bool gui_panel_begin(struct gui_panel*, const char*, gui_float x, gui_float y,
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gui_float w, gui_float h, gui_flags, const struct gui_config*,
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const struct gui_canvas*, const struct gui_input*);
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void gui_panel_end(struct gui_panel*);
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void gui_panel_layout(struct gui_panel*, gui_float height, gui_size cols);
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void gui_panel_seperator(struct gui_panel*, gui_size cols);
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void gui_panel_text(struct gui_panel*, const char *str, gui_size len, enum gui_text_align);
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gui_bool gui_panel_check(struct gui_panel*, const char*, gui_bool active);
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gui_bool gui_panel_option(struct gui_panel*, const char*, gui_bool active);
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gui_bool gui_panel_button_text(struct gui_panel*, const char*, enum gui_button_behavior);
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gui_bool gui_panel_button_color(struct gui_panel*, const struct gui_color, enum gui_button_behavior);
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gui_bool gui_panel_button_triangle(struct gui_panel*, enum gui_heading, enum gui_button_behavior);
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gui_bool gui_panel_button_toggle(struct gui_panel*, const char*, gui_bool value);
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gui_float gui_panel_slider(struct gui_panel*, gui_float min, gui_float val,
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gui_float max, gui_float step);
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gui_size gui_panel_progress(struct gui_panel*, gui_size cur, gui_size max,
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gui_bool modifyable);
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gui_size gui_panel_input(struct gui_panel*, gui_char *buffer, gui_size len,
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gui_size max, gui_bool *active, enum gui_input_filter);
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gui_bool gui_panel_spinner(struct gui_panel*, gui_int min, gui_int *value,
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gui_int max, gui_int step, gui_bool active);
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gui_size gui_panel_selector(struct gui_panel*, const char *items[],
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gui_size item_count, gui_size item_current);
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gui_int gui_panel_plot(struct gui_panel*, const gui_float *values, gui_size value_count);
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gui_int gui_panel_histo(struct gui_panel*, const gui_float *values, gui_size value_count);
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gui_bool gui_panel_tab_begin(gui_tab*, gui_tab*, const char *title);
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void gui_panel_tab_end(gui_tab*, gui_tab *tab);
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void gui_panel_group_begin(gui_group*, gui_group*, const char *title);
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void gui_panel_group_end(gui_group*, gui_group* tab);
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gui_size gui_panel_shelf_begin(gui_shelf*, gui_shelf *shelf, const char *tabs[],
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gui_size size, gui_size active);
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void gui_panel_shelf_end(struct gui_panel*, gui_shelf *shelf);
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#ifdef __cplusplus
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}
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#endif
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#endif
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