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unix: Add internal function SDL_CanUseGtk()

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Necessary for a backport of #14712 to the 3.2.x branch. In the 3.4.x
branch this was factored out from tray-icon code, but 3.2.x doesn't have
that functionality.

Helps: https://github.com/libsdl-org/sdl2-compat/issues/564
Signed-off-by: Simon McVittie <smcv@debian.org>
This commit is contained in:
Simon McVittie
2025-12-30 14:50:09 +00:00
committed by Sam Lantinga
parent 888104f5ad
commit a45a2368a7
2 changed files with 60 additions and 0 deletions
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31
src/core/unix/SDL_gtk.c Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_internal.h"
#include "SDL_gtk.h"
bool SDL_CanUseGtk(void)
{
if (!SDL_GetHintBoolean("SDL_ENABLE_GTK", true)) {
return false;
}
return true;
}

29
src/core/unix/SDL_gtk.h Normal file
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_internal.h"
#ifndef SDL_gtk_h_
#define SDL_gtk_h_
extern bool SDL_CanUseGtk(void);
#endif // SDL_gtk_h_