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Fixed bug 2073 - Mac: window moves unexpectedly when exiting SDL_WINDOW_FULLSCREEN_DESKTOP mode 

Alex Szpakowski

In Mac OS X, when SDL_SetWindowFullscreen(window, 0) is called on a window which was in SDL_WINDOW_FULLSCREEN_DESKTOP mode, its original size is restored but its position is moved to the bottom of the screen.

I tracked down the issue to these two lines: http://hg.libsdl.org/SDL/file/fdd5cc9e9f90/src/video/cocoa/SDL_cocoawindow.m#l1034

I believe [nswindow setFrameOrigin:rect.origin] implicitly calls [nswindow constrainFrameRect:rect toScreen:screen], which will attempt to constrain the window to the screen, but at that point the window size is still full-screen rather than the restored window size, so the constrainFrameRect function operates on the wrong window size.

https://developer.apple.com/library/mac/documentation/cocoa/reference/applicationkit/classes/NSWindow_Class/Reference/Reference.html#//apple_ref/occ/instm/NSWindow/constrainFrameRect:toScreen:

I resolved the issue by swapping the order of the function calls, like so:
[nswindow setContentSize:rect.size];
[nswindow setFrameOrigin:rect.origin];
main
Sam Lantinga 2013-10-21 02:37:03 -07:00
parent d08634e2c6
commit bcf5472d16
1 changed files with 1 additions and 1 deletions
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2
src/video/cocoa/SDL_cocoawindow.m
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@ -1058,8 +1058,8 @@ Cocoa_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display
}
s_moveHack = 0;
[nswindow setFrameOrigin:rect.origin];
[nswindow setContentSize:rect.size];
[nswindow setFrameOrigin:rect.origin];
s_moveHack = SDL_GetTicks();
/* When the window style changes the title is cleared */