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Emscripten: Do not consume mouseup event outside of the canvas

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This commit is contained in:
kichikuou 2019-01-29 12:14:54 +00:00
parent 2838abb5b2
commit ed66a430c9
1 changed files with 9 additions and 0 deletions
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9
src/video/emscripten/SDL_emscriptenevents.c
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@ -345,6 +345,7 @@ Emscripten_HandleMouseButton(int eventType, const EmscriptenMouseEvent *mouseEve
Uint8 sdl_button; Uint8 sdl_button;
Uint8 sdl_button_state; Uint8 sdl_button_state;
SDL_EventType sdl_event_type; SDL_EventType sdl_event_type;
double css_w, css_h;
switch (mouseEvent->button) { switch (mouseEvent->button) {
case 0: case 0:
@ -371,6 +372,14 @@ Emscripten_HandleMouseButton(int eventType, const EmscriptenMouseEvent *mouseEve
sdl_event_type = SDL_MOUSEBUTTONUP; sdl_event_type = SDL_MOUSEBUTTONUP;
} }
SDL_SendMouseButton(window_data->window, 0, sdl_button_state, sdl_button); SDL_SendMouseButton(window_data->window, 0, sdl_button_state, sdl_button);
/* Do not consume the event if the mouse is outside of the canvas. */
emscripten_get_element_css_size(NULL, &css_w, &css_h);
if (mouseEvent->canvasX < 0 || mouseEvent->canvasX >= css_w ||
mouseEvent->canvasY < 0 || mouseEvent->canvasY >= css_h) {
return 0;
}
return SDL_GetEventState(sdl_event_type) == SDL_ENABLE; return SDL_GetEventState(sdl_event_type) == SDL_ENABLE;
} }