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IO: added ImGuiPlatformIO::ClearPlatformHandlers(), ClearRendererHandlers(). Backends: call those on Shutdown(). (#8945, #2769)

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ocornut
2025-09-18 16:22:24 +02:00
parent 0e7cd694eb
commit d4f722d5b2
21 changed files with 95 additions and 2 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)
// 2025-09-18: Call platform_io.ClearPlatformHandlers() on shutdown.
// 2025-09-15: Content Scales are always reported as 1.0 on Wayland. (#8921)
// 2025-07-08: Made ImGui_ImplSDL2_GetContentScaleForWindow(), ImGui_ImplSDL2_GetContentScaleForDisplay() helpers return 1.0f on Emscripten and Android platforms, matching macOS logic. (#8742, #8733)
// 2025-06-11: Added ImGui_ImplSDL2_GetContentScaleForWindow(SDL_Window* window) and ImGui_ImplSDL2_GetContentScaleForDisplay(int display_index) helper to facilitate making DPI-aware apps.
@@ -629,6 +630,7 @@ void ImGui_ImplSDL2_Shutdown()
ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
IM_ASSERT(bd != nullptr && "No platform backend to shutdown, or already shutdown?");
ImGuiIO& io = ImGui::GetIO();
ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
if (bd->ClipboardTextData)
SDL_free(bd->ClipboardTextData);
@@ -639,6 +641,7 @@ void ImGui_ImplSDL2_Shutdown()
io.BackendPlatformName = nullptr;
io.BackendPlatformUserData = nullptr;
io.BackendFlags &= ~(ImGuiBackendFlags_HasMouseCursors | ImGuiBackendFlags_HasSetMousePos | ImGuiBackendFlags_HasGamepad);
platform_io.ClearPlatformHandlers();
IM_DELETE(bd);
}