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testaudio: Make program usable without a 3-button mouse.

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Ryan C. Gordon 2023-10-11 10:01:52 -04:00
parent 321fc18417
commit bb2f767f5d
No known key found for this signature in database
GPG Key ID: FA148B892AB48044
1 changed files with 22 additions and 2 deletions
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24
test/testaudio.c
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@ -113,6 +113,9 @@ static Thing *mouseover_thing = NULL;
static Thing *droppable_highlighted_thing = NULL;
static Thing *dragging_thing = NULL;
static int dragging_button = -1;
static int dragging_button_real = -1;
static SDL_bool ctrl_held = SDL_FALSE;
static SDL_bool alt_held = SDL_FALSE;
static Texture *physdev_texture = NULL;
static Texture *logdev_texture = NULL;
@ -1077,11 +1080,21 @@ static void Loop(void)
thing = UpdateMouseOver(event.motion.x, event.motion.y);
if ((dragging_button == -1) && event.motion.state) {
if (event.motion.state & SDL_BUTTON_LMASK) {
dragging_button = SDL_BUTTON_LEFT;
/* for people that don't have all three buttons... */
if (ctrl_held) {
dragging_button = SDL_BUTTON_RIGHT;
} else if (alt_held) {
dragging_button = SDL_BUTTON_MIDDLE;
} else {
dragging_button = SDL_BUTTON_LEFT;
}
dragging_button_real = SDL_BUTTON_LEFT;
} else if (event.motion.state & SDL_BUTTON_RMASK) {
dragging_button = SDL_BUTTON_RIGHT;
dragging_button_real = SDL_BUTTON_RIGHT;
} else if (event.motion.state & SDL_BUTTON_MMASK) {
dragging_button = SDL_BUTTON_MIDDLE;
dragging_button_real = SDL_BUTTON_MIDDLE;
}
@ -1117,10 +1130,11 @@ static void Loop(void)
break;
case SDL_EVENT_MOUSE_BUTTON_UP:
if (dragging_button == event.button.button) {
if (dragging_button_real == event.button.button) {
Thing *dropped_thing = dragging_thing;
dragging_thing = NULL;
dragging_button = -1;
dragging_button_real = -1;
if (dropped_thing && dropped_thing->ondrop) {
dropped_thing->ondrop(dropped_thing, event.button.button, event.button.x, event.button.y);
}
@ -1133,6 +1147,12 @@ static void Loop(void)
UpdateMouseOver(event.wheel.mouseX, event.wheel.mouseY);
break;
case SDL_EVENT_KEY_DOWN:
case SDL_EVENT_KEY_UP:
ctrl_held = ((event.key.keysym.mod & SDL_KMOD_CTRL) != 0) ? SDL_TRUE : SDL_FALSE;
alt_held = ((event.key.keysym.mod & SDL_KMOD_ALT) != 0) ? SDL_TRUE : SDL_FALSE;
break;
case SDL_EVENT_DROP_FILE:
SDL_Log("Drop file! '%s'", event.drop.file);
LoadWavThing(event.drop.file, event.drop.x, event.drop.y);