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Fix mouse scaling on hi-dpi displays and xorg/windows

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This commit is contained in:
Phillip Stephens 2025-04-06 12:43:52 -07:00
parent f058c5b7a5
commit 09f8c676ec
1 changed files with 5 additions and 4 deletions
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9
lib/imgui.cpp
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@ -71,10 +71,11 @@ void shutdown() noexcept {
void process_event(const SDL_Event& event) noexcept { void process_event(const SDL_Event& event) noexcept {
if (event.type == SDL_EVENT_MOUSE_MOTION) { if (event.type == SDL_EVENT_MOUSE_MOTION) {
SDL_Event scaledEvent = event; SDL_Event scaledEvent = event;
scaledEvent.motion.x *= g_scale; const auto density = SDL_GetWindowPixelDensity(window::get_sdl_window());
scaledEvent.motion.y *= g_scale; scaledEvent.motion.x *= density;
scaledEvent.motion.xrel *= g_scale; scaledEvent.motion.y *= density;
scaledEvent.motion.yrel *= g_scale; scaledEvent.motion.xrel *= density;
scaledEvent.motion.yrel *= density;
ImGui_ImplSDL3_ProcessEvent(&scaledEvent); ImGui_ImplSDL3_ProcessEvent(&scaledEvent);
return; return;
} }