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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

(cherry picked from commit 6c4f2bd83d)
This commit is contained in:
Sam Lantinga 2025-11-02 07:18:49 -08:00
parent 398bacbac3
commit afeeef9cf5
1 changed files with 2 additions and 8 deletions
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10
src/video/windows/SDL_windowsevents.c
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@ -2056,18 +2056,12 @@ int SDL_RegisterApp(const char *name, Uint32 style, void *hInst)
SDL_Instance = hInst ? 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(__XBOXONE__) && !defined(__XBOXSERIES__)
hint = SDL_GetHint(SDL_HINT_WINDOWS_INTRESOURCE_ICON);