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authorMorten Johan Sørvig <morten.sorvig@qt.io>2017-11-20 13:26:31 +0100
committerMorten Johan Sørvig <morten.sorvig@qt.io>2017-11-22 08:45:55 +0000
commitbdf1045b715e43eaedd1d9c4de78c4d7ce0e28ba (patch)
tree84722764b23c14aa3888fc8e58ba68f5d1012518
parent1ea0b47c2eaf81ba4a13b89343719dcefdb90ce3 (diff)
Cocoa: Update layer contentsScale on screen change
Failure to do so will result in displaying the layer contents on a quarter of the window when moving the window from a 2x screen to a 1x screen. Task-number: QTBUG-64494 Change-Id: I57ce98025e841549f62d132d4985e727898e6207 Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
-rw-r--r--src/plugins/platforms/cocoa/qnsview.mm6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm
index 28ffcf8718..c888551729 100644
--- a/src/plugins/platforms/cocoa/qnsview.mm
+++ b/src/plugins/platforms/cocoa/qnsview.mm
@@ -353,6 +353,12 @@ Q_LOGGING_CATEGORY(lcQpaTablet, "qt.qpa.input.tablet")
m_platformWindow->handleExposeEvent(QRectF::fromCGRect(self.bounds).toRect());
}
+- (void)viewDidChangeBackingProperties
+{
+ if (self.layer)
+ self.layer.contentsScale = self.window.backingScaleFactor;
+}
+
- (BOOL)isFlipped
{
return YES;