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Backends: Allegro5: fixed missing support for ImGuiKey_PrintScreen under Windows.

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ocornut
2025-08-12 20:02:08 +02:00
parent e1baadba84
commit 02f654cbce
2 changed files with 8 additions and 0 deletions
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6
backends/imgui_impl_allegro5.cpp
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@@ -21,6 +21,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2025-08-12: Inputs: fixed missing support for ImGuiKey_PrintScreen under Windows, as raw Allegro 5 does not receive it.
// 2025-08-12: Added ImGui_ImplAllegro5_SetDisplay() function to change current ALLEGRO_DISPLAY, as Allegro applications often need to do that.
// 2025-07-07: Fixed texture update broken on some platforms where ALLEGRO_LOCK_WRITEONLY needed all texels to be rewritten.
// 2025-06-11: Added support for ImGuiBackendFlags_RendererHasTextures, for dynamic font atlas. Removed ImGui_ImplSDLGPU3_CreateFontsTexture() and ImGui_ImplSDLGPU3_DestroyFontsTexture().
@@ -679,6 +680,11 @@ void ImGui_ImplAllegro5_NewFrame()
io.DeltaTime = bd->Time > 0.0 ? (float)(current_time - bd->Time) : (float)(1.0f / 60.0f);
bd->Time = current_time;
// Allegro 5 doesn't receive PrintScreen under Windows
#ifdef _WIN32
io.AddKeyEvent(ImGuiKey_PrintScreen, (::GetAsyncKeyState(VK_SNAPSHOT) & 0x8000) != 0);
#endif
// Setup mouse cursor shape
ImGui_ImplAllegro5_UpdateMouseCursor();
}

2
docs/CHANGELOG.txt
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@@ -47,6 +47,8 @@ Other Changes:
setups/drivers. (#8770, #8465)
- Backends: Allegro5: Added ImGui_ImplAllegro5_SetDisplay() function to
change current ALLEGRO_DISPLAY, as Allegro applications often need to do that.
- Backends: Allegro5: Fixed missing support for ImGuiKey_PrintScreen
under Windows, as raw Allegro 5 does not receive it.
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