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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_sdl3.cpp
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@@ -20,6 +20,7 @@
// 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: Use SDL_GetWindowDisplayScale() on Mac to output DisplayFrameBufferScale. The function is more reliable during resolution changes e.g. going fullscreen. (#8703, #4414)
// 2025-06-27: IME: avoid calling SDL_StartTextInput() again if already active. (#8727)
// 2025-04-22: IME: honor ImGuiPlatformImeData->WantTextInput as an alternative way to call SDL_StartTextInput(), without IME being necessarily visible.
@@ -590,6 +591,7 @@ void ImGui_ImplSDL3_Shutdown()
ImGui_ImplSDL3_Data* bd = ImGui_ImplSDL3_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);
@@ -600,6 +602,7 @@ void ImGui_ImplSDL3_Shutdown()
io.BackendPlatformName = nullptr;
io.BackendPlatformUserData = nullptr;
io.BackendFlags &= ~(ImGuiBackendFlags_HasMouseCursors | ImGuiBackendFlags_HasSetMousePos | ImGuiBackendFlags_HasGamepad);
platform_io.ClearPlatformHandlers();
IM_DELETE(bd);
}