3 files changed, 14 insertions, 7 deletions
diff --git a/src/gui/kernel/qapplication_x11.cpp b/src/gui/kernel/qapplication_x11.cpp
index a3c9406..12155f0 100644
--- a/src/gui/kernel/qapplication_x11.cpp
+++ b/src/gui/kernel/qapplication_x11.cpp
@@ -2955,10 +2955,10 @@ QWidget *QApplication::topLevelAt(const QPoint &p)
                     Window wid = widget->internalWinId();
                     while (ctarget && !w) {
                         X11->ignoreBadwindow();
-                        XTranslateCoordinates(X11->display,
-                                              QX11Info::appRootWindow(screen),
-                                              ctarget, x, y, &unused, &unused, &ctarget);
-                        if (X11->badwindow())
+                        if (!XTranslateCoordinates(X11->display,
+                                                   QX11Info::appRootWindow(screen),
+                                                   ctarget, x, y, &unused, &unused, &ctarget)
+                                || X11->badwindow())
                             break;
                         if (ctarget == wid) {
                             // Found!
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 955ac8b..b376f20 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -5825,8 +5825,9 @@ void QWidget::setFocus(Qt::FocusReason reason)
 void QWidget::clearFocus()
 {
     QWidget *w = this;
-    while (w && w->d_func()->focus_child == this) {
-        w->d_func()->focus_child = 0;
+    while (w) {
+        if (w->d_func()->focus_child == this)
+            w->d_func()->focus_child = 0;
         w = w->parentWidget();
     }
 #ifndef QT_NO_GRAPHICSVIEW
diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index f863428..b2256cd 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -3600,11 +3600,15 @@ void QWidgetPrivate::raise_sys()
         }
     } else {
         // Cocoa doesn't really have an idea of Z-ordering, but you can
-        // fake it by changing the order of it.
+        // fake it by changing the order of it. But beware, removing an
+        // NSView will also remove it as the first responder. So we re-set
+        // the first responder just in case:
         NSView *view = qt_mac_nativeview_for(q);
         NSView *parentView = [view superview];
+        NSResponder *firstResponder = [[view window] firstResponder];
         [view removeFromSuperview];
         [parentView addSubview:view];
+        [[view window] makeFirstResponder:firstResponder];
     }
 #else
     if(q->isWindow()) {
@@ -3642,6 +3646,7 @@ void QWidgetPrivate::lower_sys()
         NSArray *tmpViews = [parentView subviews];
         NSMutableArray *subviews = [[NSMutableArray alloc] initWithCapacity:[tmpViews count]];
         [subviews addObjectsFromArray:tmpViews];
+        NSResponder *firstResponder = [[myview window] firstResponder];
         // Implicit assumption that myViewIndex is included in subviews, that's why I'm not checking
         // myViewIndex.
         NSUInteger index = 0;
@@ -3661,6 +3666,7 @@ void QWidgetPrivate::lower_sys()
         for (NSView *subview in subviews)
             [parentView addSubview:subview];
         [subviews release];
+        [[myview window] makeFirstResponder:firstResponder];
     }
 #else
     if(q->isWindow()) {