Merge remote-tracking branch 'origin/5.6' into 5.7

Conflicts:
	config.tests/unix/compile.test
	configure
	src/android/jar/src/org/qtproject/qt5/android/QtMessageDialogHelper.java
	src/corelib/global/qglobal.cpp
	src/widgets/kernel/qapplication.cpp
	src/widgets/styles/qwindowsvistastyle.cpp
	tests/auto/corelib/kernel/qobject/tst_qobject.cpp

Change-Id: I067083f34e5290aa5f7565e40c30a069cc37b83a

1 files changed, 9 insertions, 0 deletions

diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.mm b/src/plugins/platforms/cocoa/qcocoaintegration.mm
index c021a551a7..0f26306f07 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.mm
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.mm
@@ -337,6 +337,15 @@ QCocoaIntegration::QCocoaIntegration(const QStringList &paramList)
         [newDelegate setMenuLoader:qtMenuLoader];
     }
 
+    // The presentation options such as whether or not the dock and/or menu bar is
+    // hidden (automatically by the system) affects the main screen's available
+    // geometry. Since we're initializing the screens synchronously at application
+    // startup we need to ensure that the presentation options have been propagated
+    // to the screen before we read out its properties. Normally OS X does this in
+    // an asynchronous callback, but that's too late for us. We force the propagation
+    // by explicitly setting the presentation option to the magic 'default value',
+    // which will resolve to an actual value and result in screen invalidation.
+    cocoaApplication.presentationOptions = NSApplicationPresentationDefault;
     updateScreens();
 
     QMacInternalPasteboardMime::initializeMimeTypes();