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Backends: SDL2, SDL3: SDL_EVENT_MOUSE_WHEEL event doesn't require dividing by 100.0f on Emscripten. (#4019, #6096, #1463)

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Ref https://github.com/libsdl-org/SDL/issues/10454#issuecomment-2434187317
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ocornut
2024-10-24 14:47:07 +02:00
parent 062e580436
commit 06092a9756
3 changed files with 5 additions and 5 deletions
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3
backends/imgui_impl_sdl2.cpp
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@@ -21,6 +21,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2024-10-24: Emscripten: from SDL 2.30.9, SDL_EVENT_MOUSE_WHEEL event doesn't require dividing by 100.0f.
// 2024-09-09: use SDL_Vulkan_GetDrawableSize() when available. (#7967, #3190)
// 2024-08-22: moved some OS/backend related function pointers from ImGuiIO to ImGuiPlatformIO:
// - io.GetClipboardTextFn -> platform_io.Platform_GetClipboardTextFn
@@ -359,7 +360,7 @@ bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
float wheel_x = -(float)event->wheel.x;
float wheel_y = (float)event->wheel.y;
#endif
#ifdef __EMSCRIPTEN__
#if defined(__EMSCRIPTEN__) && !SDL_VERSION_ATLEAST(2,31,0)
wheel_x /= 100.0f;
#endif
io.AddMouseSourceEvent(event->wheel.which == SDL_TOUCH_MOUSEID ? ImGuiMouseSource_TouchScreen : ImGuiMouseSource_Mouse);