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OSX, Apply a better fix to compute screen height

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git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1793 4e206d99-4929-0410-ac5d-dfc041789085
This commit is contained in:
mantognini 2011-02-09 13:10:43 +00:00
parent f664148e27
commit b26215ef96
1 changed files with 4 additions and 32 deletions
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36
src/SFML/Window/OSX/SFWindowController.mm
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@ -481,39 +481,11 @@
////////////////////////////////////////////////////////
-(float)screenHeight
{
// With Mac OS X 10.4 and 10.5, there is a shift upwards
// (about 22px – that is the apple menu bar height). With 10.6 and later
// we have a workaround : we hide the dock and get the visibleFrame of the
// screen (see NSApplicationPresentationOptions and NSScreen for more info).
#if MAC_OS_X_VERSION_MAX_ALLOWED < 1060
return NSHeight([[myWindow screen] frame]);
#else // (NSApplicationPresentationOptions Availability: Mac OS X 10.6 and later)
// We want to recompute it because the user may have moved the window to another screen
// since last time.
static float height = 0.f;
static NSDate* lastTime = [NSDate date];
if (height > 1.f && // height was set at least once.
[lastTime timeIntervalSinceNow] > -1.f) { // last time was less than one secode ago.
return height; // We don't want to compute it too often because the dock blink.
}
// Save current settings.
NSApplicationPresentationOptions currentOptions = [NSApp currentSystemPresentationOptions];
// Hide dock.
[NSApp setPresentationOptions:currentOptions | NSApplicationPresentationHideDock];
// Get the screen height (without apple menu bar if there is one).
height = NSHeight([[myWindow screen] visibleFrame]);
lastTime = [NSDate date];
// Set back user's settings.
[NSApp setPresentationOptions:currentOptions];
NSDictionary *deviceDescription = [[myWindow screen] deviceDescription];
NSNumber *screenNumber = [deviceDescription valueForKey:@"NSScreenNumber"];
CGDirectDisplayID screenID = (CGDirectDisplayID)[screenNumber intValue];
CGFloat height = CGDisplayPixelsHigh(screenID);
return height;
#endif
}