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emscripten: Add SDL_EVENT_DISPLAY_ORIENTATION support.

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Reference Issue #11389.
This commit is contained in:
Ryan C. Gordon 2025-01-12 02:18:07 -05:00
parent 3ad9c38a46
commit f0af6c348a
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GPG key ID: FA148B892AB48044
1 changed files with 23 additions and 0 deletions
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23
src/video/emscripten/SDL_emscriptenevents.c
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@ -645,6 +645,25 @@ static const char *Emscripten_HandleBeforeUnload(int eventType, const void *rese
return ""; // don't trigger confirmation dialog return ""; // don't trigger confirmation dialog
} }
static EM_BOOL Emscripten_HandleOrientationChange(int eventType, const EmscriptenOrientationChangeEvent *orientationChangeEvent, void *userData)
{
SDL_DisplayOrientation orientation;
switch (orientationChangeEvent->orientationIndex) {
#define CHECK_ORIENTATION(emsdk, sdl) case EMSCRIPTEN_ORIENTATION_##emsdk: orientation = SDL_ORIENTATION_##sdl; break
CHECK_ORIENTATION(LANDSCAPE_PRIMARY, LANDSCAPE);
CHECK_ORIENTATION(LANDSCAPE_SECONDARY, LANDSCAPE_FLIPPED);
CHECK_ORIENTATION(PORTRAIT_PRIMARY, PORTRAIT);
CHECK_ORIENTATION(PORTRAIT_SECONDARY, PORTRAIT_FLIPPED);
#undef CHECK_ORIENTATION
default: orientation = SDL_ORIENTATION_UNKNOWN; break;
}
SDL_WindowData *window_data = (SDL_WindowData *) userData;
SDL_SendDisplayEvent(SDL_GetVideoDisplayForWindow(window_data->window), SDL_EVENT_DISPLAY_ORIENTATION, orientation, 0);
return 0;
}
// IF YOU CHANGE THIS STRUCTURE, YOU NEED TO UPDATE THE JAVASCRIPT THAT FILLS IT IN: makePointerEventCStruct, below. // IF YOU CHANGE THIS STRUCTURE, YOU NEED TO UPDATE THE JAVASCRIPT THAT FILLS IT IN: makePointerEventCStruct, below.
typedef struct Emscripten_PointerEvent typedef struct Emscripten_PointerEvent
{ {
@ -965,6 +984,8 @@ void Emscripten_RegisterEventHandlers(SDL_WindowData *data)
emscripten_set_focus_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, data, 0, Emscripten_HandleFocus); emscripten_set_focus_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, data, 0, Emscripten_HandleFocus);
emscripten_set_blur_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, data, 0, Emscripten_HandleFocus); emscripten_set_blur_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, data, 0, Emscripten_HandleFocus);
emscripten_set_orientationchange_callback(data, 0, Emscripten_HandleOrientationChange);
emscripten_set_touchstart_callback(data->canvas_id, data, 0, Emscripten_HandleTouch); emscripten_set_touchstart_callback(data->canvas_id, data, 0, Emscripten_HandleTouch);
emscripten_set_touchend_callback(data->canvas_id, data, 0, Emscripten_HandleTouch); emscripten_set_touchend_callback(data->canvas_id, data, 0, Emscripten_HandleTouch);
emscripten_set_touchmove_callback(data->canvas_id, data, 0, Emscripten_HandleTouch); emscripten_set_touchmove_callback(data->canvas_id, data, 0, Emscripten_HandleTouch);
@ -1023,6 +1044,8 @@ void Emscripten_UnregisterEventHandlers(SDL_WindowData *data)
emscripten_set_focus_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 0, NULL); emscripten_set_focus_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 0, NULL);
emscripten_set_blur_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 0, NULL); emscripten_set_blur_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 0, NULL);
emscripten_set_orientationchange_callback(NULL, 0, NULL);
emscripten_set_touchstart_callback(data->canvas_id, NULL, 0, NULL); emscripten_set_touchstart_callback(data->canvas_id, NULL, 0, NULL);
emscripten_set_touchend_callback(data->canvas_id, NULL, 0, NULL); emscripten_set_touchend_callback(data->canvas_id, NULL, 0, NULL);
emscripten_set_touchmove_callback(data->canvas_id, NULL, 0, NULL); emscripten_set_touchmove_callback(data->canvas_id, NULL, 0, NULL);