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Use DefWindowProc for the initial SDL window proc

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This makes sure that anything that hooks window creation to set up window proc hooks will call DefWindowProc instead of infinitely recursing when we set up our window proc afterwards.

Fixes https://github.com/libsdl-org/SDL/issues/10529
This commit is contained in:
Sam Lantinga 2025-11-02 07:18:49 -08:00
parent a82e8a701d
commit 6c4f2bd83d
1 changed files with 2 additions and 8 deletions
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10
src/video/windows/SDL_windowsevents.c
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@ -2729,18 +2729,12 @@ bool SDL_RegisterApp(const char *name, Uint32 style, void *hInst)
SDL_Instance = hInst ? (HINSTANCE)hInst : GetModuleHandle(NULL);
// Register the application class
SDL_zero(wcex);
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.hCursor = NULL;
wcex.hIcon = NULL;
wcex.hIconSm = NULL;
wcex.lpszMenuName = NULL;
wcex.lpszClassName = SDL_Appname;
wcex.style = SDL_Appstyle;
wcex.hbrBackground = NULL;
wcex.lpfnWndProc = WIN_WindowProc;
wcex.lpfnWndProc = DefWindowProc;
wcex.hInstance = SDL_Instance;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
#if !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)
hint = SDL_GetHint(SDL_HINT_WINDOWS_INTRESOURCE_ICON);