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Freetype support for menus

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This commit is contained in:
K. Lange 2018-09-24 12:22:00 +09:00
parent db1ada51c8
commit c77e71a277
1 changed files with 45 additions and 9 deletions
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54
lib/menu.c
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@ -13,6 +13,7 @@
#include <fcntl.h>
#include <math.h>
#include <sys/types.h>
#include <dlfcn.h>
#include <toaru/yutani.h>
#include <toaru/graphics.h>
@ -39,15 +40,50 @@ static struct MenuList * hovered_menu = NULL;
int menu_definitely_close(struct MenuList * menu);
/** Freetype extension renderer functions */
static int _have_freetype = 0;
static void (*freetype_set_font_face)(int face) = NULL;
static void (*freetype_set_font_size)(int size) = NULL;
static int (*freetype_draw_string)(gfx_context_t * ctx, int x, int y, uint32_t fg, const char * s) = NULL;
static int (*freetype_draw_string_width)(char * s) = NULL;
__attribute__((constructor))
static void _init_menus(void) {
menu_windows = hashmap_create_int(10);
void * freetype = dlopen("libtoaru_ext_freetype_fonts.so", 0);
if (freetype) {
_have_freetype = 1;
freetype_set_font_face = dlsym(freetype, "freetype_set_font_face");
freetype_set_font_size = dlsym(freetype, "freetype_set_font_size");
freetype_draw_string = dlsym(freetype, "freetype_draw_string");
freetype_draw_string_width = dlsym(freetype, "freetype_draw_string_width");
}
}
hashmap_t * menu_get_windows_hash(void) {
return menu_windows;
}
static int string_width(const char * s) {
if (_have_freetype) {
freetype_set_font_face(0); /* regular non-monospace */
freetype_set_font_size(13);
return freetype_draw_string_width((char *)s);
} else {
return draw_sdf_string_width((char *)s, 16, SDF_FONT_THIN);
}
}
static int draw_string(gfx_context_t * ctx, int x, int y, uint32_t color, const char * s) {
if (_have_freetype) {
freetype_set_font_face(0); /* regular non-monospace */
freetype_set_font_size(13);
return freetype_draw_string(ctx, x, y + 13 /* I think? */, color, s);
} else {
return draw_sdf_string(ctx, x, y, s, 16, color, SDF_FONT_THIN);
}
}
void _menu_draw_MenuEntry_Normal(gfx_context_t * ctx, struct MenuEntry * self, int offset) {
struct MenuEntry_Normal * _self = (struct MenuEntry_Normal *)self;
@ -80,7 +116,7 @@ void _menu_draw_MenuEntry_Normal(gfx_context_t * ctx, struct MenuEntry * self, i
uint32_t color = _self->hilight ? rgb(255,255,255) : rgb(0,0,0);
/* Draw title */
draw_sdf_string(ctx, 22, offset + 1, _self->title, 16, color, SDF_FONT_THIN);
draw_string(ctx, 22, offset + 1, color, _self->title);
}
void _menu_focus_MenuEntry_Normal(struct MenuEntry * self, int focused) {
@ -130,7 +166,7 @@ struct MenuEntry * menu_create_normal(const char * icon, const char * action, co
out->action = action ? strdup(action) : NULL;
out->callback = callback;
out->rwidth = 50 + draw_sdf_string_width(out->title, 16, SDF_FONT_THIN);
out->rwidth = 50 + string_width(out->title);
return (struct MenuEntry *)out;
}
@ -195,7 +231,7 @@ struct MenuEntry * menu_create_submenu(const char * icon, const char * action, c
out->title = strdup(title);
out->action = action ? strdup(action) : NULL;
out->rwidth = 50 + draw_sdf_string_width(out->title, 16, SDF_FONT_THIN);
out->rwidth = 50 + string_width(out->title);
return (struct MenuEntry *)out;
}
@ -241,14 +277,14 @@ void menu_update_title(struct MenuEntry * self, char * new_title) {
free((void*)_self->title);
}
_self->title = strdup(new_title);
_self->rwidth = 50 + draw_sdf_string_width(_self->title, 16, SDF_FONT_THIN);
_self->rwidth = 50 + string_width(_self->title);
} else if (self->_type == MenuEntry_Submenu) {
struct MenuEntry_Submenu * _self = (struct MenuEntry_Submenu *)self;
if (_self->title) {
free((void*)_self->title);
}
_self->title = strdup(new_title);
_self->rwidth = 50 + draw_sdf_string_width(_self->title, 16, SDF_FONT_THIN);
_self->rwidth = 50 + string_width(_self->title);
}
}
@ -839,7 +875,7 @@ void menu_bar_render(struct menu_bar * self, gfx_context_t * ctx) {
_entries = self->entries;
}
while (_entries->title) {
int w = draw_sdf_string_width(_entries->title, 16, SDF_FONT_THIN) + 10;
int w = string_width(_entries->title) + 10;
if ((self->active_menu && hashmap_has(menu_get_windows_hash(), (void*)self->active_menu_wid)) && _entries == self->active_entry) {
for (int y = _y; y < _y + MENU_BAR_HEIGHT; ++y) {
for (int x = offset + 2; x < offset + 2 + w; ++x) {
@ -847,7 +883,7 @@ void menu_bar_render(struct menu_bar * self, gfx_context_t * ctx) {
}
}
}
offset += draw_sdf_string(ctx, offset + 4, _y + 2, _entries->title, 16, rgb(255,255,255), SDF_FONT_THIN) + 10;
offset += draw_string(ctx, offset + 4, _y + 2, 0xFFFFFFFF, _entries->title) + 10;
_entries++;
}
}
@ -862,7 +898,7 @@ void menu_bar_show_menu(yutani_t * yctx, yutani_window_t * window, struct menu_b
struct menu_bar_entries * e = self->entries;
while (e->title) {
if (e == _entries) break;
offset += draw_sdf_string_width(e->title, 16, SDF_FONT_THIN) + 10;
offset += string_width(e->title) + 10;
e++;
i++;
}
@ -897,7 +933,7 @@ int menu_bar_mouse_event(yutani_t * yctx, yutani_window_t * window, struct menu_
struct menu_bar_entries * _entries = self->entries;
while (_entries->title) {
int w = draw_sdf_string_width(_entries->title, 16, SDF_FONT_THIN) + 10;
int w = string_width(_entries->title) + 10;
if (x >= offset && x < offset + w) {
if (me->command == YUTANI_MOUSE_EVENT_CLICK || _close_enough(me)) {
menu_bar_show_menu(yctx, window, self,offset,_entries);