[英]Cocoa resize window to fit screen
我有2个监视器,我想将我的videoWindow放置并缩放到第二个监视器的大小。 我想以编程方式执行此操作,因为第二台显示器的分辨率可能会发生变化。 我能够将窗口放置在第二个监视器的左下角,但是我无法缩放它以适合它。
此行的警告:
[self.videoWindow setFrame: screenRect];
是:“ NSWindow”可能不响应“ setFrame”
// inside my .h file
@property (assign) IBOutlet NSWindow *videoWindow;
// inside my .m file
- (void)windowControllerDidLoadNib:(NSWindowController *) aController
{
[super windowControllerDidLoadNib:aController];
NSRect videoPreviewScreenRect;
NSArray *screenArray = [NSScreen screens];
//Using index of 1, to get secondary monitor
NSScreen *videoPreviewScreen = [screenArray objectAtIndex: 1];
NSRect screenRect = [videoPreviewScreen frame];
videoPreviewScreenRect = [videoPreviewScreen visibleFrame];
// Get and set the screen origin based on the second monitors origin
NSPoint videoScreenOrigin ;
videoScreenOrigin.x = videoPreviewScreenRect.origin.x;
videoScreenOrigin.y = videoPreviewScreenRect.origin.y;
[self.videoWindow setFrameOrigin: videoScreenOrigin];
// **** THIS LINE DOESN'T WORK ****
[self.videoWindow setFrame: screenRect];
[self.videoWindow setBackgroundColor: NSColor.blackColor];
[self.videoWindow display];
[self.videoWindow makeKeyAndOrderFront:nil];
}
我能够找出问题所在。
[self.videoWindow setFrame: screenRect];
需要更改为:
[[self videoWindow] setFrame:screenRect display:YES animate:NO];
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