Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	qmake/generators/win32/msbuild_objectmodel.cpp
	src/declarative/qml/qdeclarativexmlhttprequest.cpp
	src/opengl/opengl.pro
	src/opengl/qgl_p.h
	src/plugins/bearer/connman/qconnmanservice_linux.cpp
	tests/auto/qpainter/tst_qpainter.cpp
	tools/assistant/tools/assistant/helpviewer_qwv.h
	tools/assistant/tools/assistant/openpageswidget.h

1 files changed, 12 insertions, 6 deletions

diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index c499d93..ef7e1d3 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -2796,10 +2796,14 @@ void QWidgetPrivate::setSubWindowStacking(bool set)
 
     if (QWidget *parent = q->parentWidget()) {
         if (parent->testAttribute(Qt::WA_WState_Created)) {
-            if (set)
-                [qt_mac_window_for(parent) addChildWindow:qt_mac_window_for(q) ordered:NSWindowAbove];
-            else
+            if (set) {
+                if (parent->isVisible()) {
+                    NSWindow *childwin = qt_mac_window_for(q);
+                    [qt_mac_window_for(parent) addChildWindow:childwin ordered:NSWindowAbove];
+                }
+            } else {
                 [qt_mac_window_for(parent) removeChildWindow:qt_mac_window_for(q)];
+            }
         }
     }
 
@@ -2807,10 +2811,12 @@ void QWidgetPrivate::setSubWindowStacking(bool set)
     for (int i=0; i<widgets.size(); ++i) {
         QWidget *child = widgets.at(i);
         if (child->isWindow() && child->testAttribute(Qt::WA_WState_Created) && child->isVisibleTo(q)) {
-            if (set)
-                [qt_mac_window_for(q) addChildWindow:qt_mac_window_for(child) ordered:NSWindowAbove];
-            else
+            if (set) {
+                NSWindow *childwin = qt_mac_window_for(child);
+                [qt_mac_window_for(q) addChildWindow:childwin ordered:NSWindowAbove];
+            } else {
                 [qt_mac_window_for(q) removeChildWindow:qt_mac_window_for(child)];
+            }
         }
     }
 }