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SDL GUI mouse support

This commit is contained in:
Lior Halphon 2019-05-31 18:33:51 +03:00
parent 1de34b12ac
commit 54c353830f
1 changed files with 58 additions and 2 deletions
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60
SDL/gui.c
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@ -25,7 +25,8 @@ unsigned command_parameter;
#endif
shader_t shader;
SDL_Rect rect;
static SDL_Rect rect;
static unsigned factor;
void render_texture(void *pixels, void *previous)
{
@ -118,6 +119,10 @@ void update_viewport(void)
{
int win_width, win_height;
SDL_GL_GetDrawableSize(window, &win_width, &win_height);
int logical_width, logical_height;
SDL_GetWindowSize(window, &logical_width, &logical_height);
factor = win_width / logical_width;
double x_factor = win_width / (double) GB_get_screen_width(&gb);
double y_factor = win_height / (double) GB_get_screen_height(&gb);
@ -810,9 +815,60 @@ void run_gui(bool is_running)
current_menu = root_menu = is_running? paused_menu : nonpaused_menu;
current_selection = 0;
do {
/* Convert Joypad events (We only generate down events) */
/* Convert Joypad and mouse events (We only generate down events) */
if (gui_state != WAITING_FOR_KEY && gui_state != WAITING_FOR_JBUTTON) {
switch (event.type) {
case SDL_MOUSEBUTTONDOWN:
if (gui_state == SHOWING_HELP) {
event.type = SDL_KEYDOWN;
event.key.keysym.scancode = SDL_SCANCODE_RETURN;
}
else if (gui_state == SHOWING_DROP_MESSAGE) {
event.type = SDL_KEYDOWN;
event.key.keysym.scancode = SDL_SCANCODE_ESCAPE;
}
else if (gui_state == SHOWING_MENU) {
signed x = (event.button.x - rect.x / factor) * 160 / (rect.w / factor) - x_offset;
signed y = (event.button.y - rect.y / factor) * 144 / (rect.h / factor) - y_offset;
if (strcmp("CRT", configuration.filter) == 0) {
y = y * 8 / 7;
y -= 144 / 16;
}
if (x < 0 || x >= 160 || y < 24) {
continue;
}
unsigned item_y = 24;
unsigned index = 0;
for (const struct menu_item *item = current_menu; item->string; item++, index++) {
if (!item->backwards_handler) {
if (y >= item_y && y < item_y + 12) {
break;
}
item_y += 12;
}
else {
if (y >= item_y && y < item_y + 24) {
break;
}
item_y += 24;
}
}
if (!current_menu[index].string) continue;
current_selection = index;
event.type = SDL_KEYDOWN;
if (current_menu[index].backwards_handler) {
event.key.keysym.scancode = x < 80? SDL_SCANCODE_LEFT : SDL_SCANCODE_RIGHT;
}
else {
event.key.keysym.scancode = SDL_SCANCODE_RETURN;
}
}
case SDL_JOYBUTTONDOWN:
event.type = SDL_KEYDOWN;
joypad_button_t button = get_joypad_button(event.jbutton.button);