Details
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Bug
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Resolution: Done
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P2: Important
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4.8.4, 5.0.0 Beta 2, 5.0.0 RC 1
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None
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MAC OS X 10.7 ->
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e307d6074942eba356ecd4dceabf1def9a92719e
Description
userSpaceScaleFactor is deprecated from MAC OS X 10.7 onwards and should be replaced with backingScaleFactor.
In Qt 5:
qt/qtbase/src/plugins/platforms/cocoa/qcocoahelpers.mm:
return [[NSScreen mainScreen] userSpaceScaleFactor];
In Qt 4.8:
qt/src/gui/kernel/qt_cocoa_helpers_mac.mm
The attached patch can be used:
--- a/src/gui/kernel/qt_cocoa_helpers_mac.mm
+++ b/src/gui/kernel/qt_cocoa_helpers_mac.mm
@@ -1560,8 +1560,12 @@ CGFloat qt_mac_get_scalefactor()
#ifndef QT_MAC_USE_COCOA
return HIGetScaleFactor();
#else
+#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7)
+ return [[NSScreen mainScreen] backingScaleFactor];
+#else
return [[NSScreen mainScreen] userSpaceScaleFactor];
#endif
+#endif