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Added documentation for getting the X11 display from an SDL window

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This commit is contained in:
Sam Lantinga
2023-12-28 16:26:55 -08:00
parent 327d31a5d9
commit ce4fe32ce3
1 changed files with 5 additions and 2 deletions
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7
docs/README-migration.md
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@@ -1219,11 +1219,13 @@ The information previously available in SDL_GetWindowWMInfo() is now available a
... ...
} }
#elif defined(__LINUX__) #elif defined(__LINUX__)
Display *xdisplay = NULL;
Window xwindow = 0; Window xwindow = 0;
if (SDL_GetWindowWMInfo(window, &info) && info.subsystem == SDL_SYSWM_X11) { if (SDL_GetWindowWMInfo(window, &info) && info.subsystem == SDL_SYSWM_X11) {
xdisplay = info.info.x11.display;
xwindow = info.info.x11.window; xwindow = info.info.x11.window;
} }
if (xwindow) { if (xdisplay && xwindow) {
... ...
} }
#endif #endif
@@ -1241,8 +1243,9 @@ becomes:
... ...
} }
#elif defined(__LINUX__) #elif defined(__LINUX__)
Display *xdisplay = (Display *)SDL_GetProperty(SDL_GetWindowProperties(window), "SDL.window.x11.display", NULL);
Window xwindow = (Window)SDL_GetNumberProperty(SDL_GetWindowProperties(window), "SDL.window.x11.window", 0); Window xwindow = (Window)SDL_GetNumberProperty(SDL_GetWindowProperties(window), "SDL.window.x11.window", 0);
if (xwindow) { if (xdisplay && xwindow) {
... ...
} }
#endif #endif