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Windows allows windows to be resized to zero height.

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Changed the window client rect validation to take this into account.

Fixes https://github.com/libsdl-org/SDL/issues/9796
This commit is contained in:
Sam Lantinga
2025-03-19 21:16:35 -07:00
parent 47b0c75470
commit 96bf12444c
4 changed files with 10 additions and 10 deletions
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6
src/core/windows/SDL_windows.c
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@@ -330,10 +330,10 @@ void WIN_RectToRECT(const SDL_Rect *sdlrect, RECT *winrect)
winrect->bottom = sdlrect->y + sdlrect->h - 1;
}
BOOL WIN_IsRectEmpty(const RECT *rect)
bool WIN_WindowRectValid(const RECT *rect)
{
// Calculating this manually because Xbox does not support Win32 IsRectEmpty.
return (rect->right <= rect->left) || (rect->bottom <= rect->top);
// A window can be resized to zero height, but not zero width
return (rect->right > 0);
}
// Some GUIDs we need to know without linking to libraries that aren't available before Vista.

4
src/core/windows/SDL_windows.h
View File

@@ -156,8 +156,8 @@ extern BOOL WIN_IsEqualIID(REFIID a, REFIID b);
extern void WIN_RECTToRect(const RECT *winrect, SDL_Rect *sdlrect);
extern void WIN_RectToRECT(const SDL_Rect *sdlrect, RECT *winrect);
// Returns true if the rect is empty
extern BOOL WIN_IsRectEmpty(const RECT *rect);
// Returns false if a window client rect is not valid
bool WIN_WindowRectValid(const RECT *rect);
extern SDL_AudioFormat SDL_WaveFormatExToSDLFormat(WAVEFORMATEX *waveformat);