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Implement touch events for SDL backend

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This commit is contained in:
Cameron Gutman 2023-08-30 00:03:49 -05:00
parent 3904c82ee9
commit 68234081f8
1 changed files with 24 additions and 0 deletions
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24
src/input/sdl.c
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@ -327,6 +327,30 @@ int sdlinput_handle_event(SDL_Window* window, SDL_Event* event) {
else if ((keyboard_modifiers & ACTION_MODIFIERS) == ACTION_MODIFIERS && event->key.keysym.sym == UNGRAB_KEY && event->type==SDL_KEYUP)
return SDL_GetRelativeMouseMode() ? SDL_MOUSE_UNGRAB : SDL_MOUSE_GRAB;
break;
case SDL_FINGERDOWN:
case SDL_FINGERMOTION:
case SDL_FINGERUP:
switch (event->type) {
case SDL_FINGERDOWN:
touchEventType = LI_TOUCH_EVENT_DOWN;
break;
case SDL_FINGERMOTION:
touchEventType = LI_TOUCH_EVENT_MOVE;
break;
case SDL_FINGERUP:
touchEventType = LI_TOUCH_EVENT_UP;
break;
default:
return SDL_NOTHING;
}
// These are already window-relative normalized coordinates, so we just need to clamp them
event->tfinger.x = SDL_max(SDL_min(1.0f, event->tfinger.x), 0.0f);
event->tfinger.y = SDL_max(SDL_min(1.0f, event->tfinger.y), 0.0f);
LiSendTouchEvent(touchEventType, event->tfinger.fingerId, event->tfinger.x, event->tfinger.y,
event->tfinger.pressure, 0.0f, 0.0f, LI_ROT_UNKNOWN);
break;
case SDL_CONTROLLERAXISMOTION:
gamepad = get_gamepad(event->caxis.which, false);
if (!gamepad)