emscripten: Fix only one mouse button being usable at a time.

Fixes #15056.

(cherry picked from commit c9591c515c)
This commit is contained in:
Ryan C. Gordon
2026-02-17 19:00:36 -05:00
parent 5d9d966d59
commit 42abf69434

View File

@@ -667,14 +667,14 @@ typedef struct Emscripten_PointerEvent
static void Emscripten_HandleMouseButton(SDL_WindowData *window_data, const Emscripten_PointerEvent *event)
{
Uint8 sdl_button;
const bool down = (event->down != 0);
bool down = false;
switch (event->button) {
#define CHECK_MOUSE_BUTTON(jsbutton, sdlbutton) case jsbutton: sdl_button = SDL_BUTTON_##sdlbutton; break
CHECK_MOUSE_BUTTON(0, LEFT);
CHECK_MOUSE_BUTTON(1, MIDDLE);
CHECK_MOUSE_BUTTON(2, RIGHT);
CHECK_MOUSE_BUTTON(3, X1);
CHECK_MOUSE_BUTTON(4, X2);
#define CHECK_MOUSE_BUTTON(jsbutton, downflag, sdlbutton) case jsbutton: sdl_button = SDL_BUTTON_##sdlbutton; down = (event->down != 0) || ((event->buttons & downflag) != 0); break
CHECK_MOUSE_BUTTON(0, 1, LEFT);
CHECK_MOUSE_BUTTON(1, 4, MIDDLE);
CHECK_MOUSE_BUTTON(2, 2, RIGHT);
CHECK_MOUSE_BUTTON(3, 8, X1);
CHECK_MOUSE_BUTTON(4, 16, X2);
#undef CHECK_MOUSE_BUTTON
default: sdl_button = 0; break;
}