3 files changed, 32 insertions, 8 deletions

diff --git a/src/gui/kernel/qwidget_mac.mm b/src/gui/kernel/qwidget_mac.mm
index 81dd746..f12c956 100644
--- a/src/gui/kernel/qwidget_mac.mm
+++ b/src/gui/kernel/qwidget_mac.mm
@@ -3835,13 +3835,20 @@ void QWidgetPrivate::raise_sys()
         // required we will introduce special handling for some of them.
         if (!q->testAttribute(Qt::WA_DontShowOnScreen) && q->isVisible()) {
             OSWindowRef window = qt_mac_window_for(q);
-            if(![window isOnActiveSpace]) {
-                QWidget *parentWidget = q->parentWidget();
-                if(parentWidget) {
-                    OSWindowRef parentWindow = qt_mac_window_for(parentWidget);
-                    if(parentWindow && [parentWindow isOnActiveSpace]) {
-                        recreateMacWindow();
-                        window = qt_mac_window_for(q);
+            // isOnActiveSpace is available only from 10.6 onwards, so we need to check if it is
+            // available before calling it.
+            if([window respondsToSelector:@selector(isOnActiveSpace)]) {
+                if(![window performSelector:@selector(isOnActiveSpace)]) {
+                    QWidget *parentWidget = q->parentWidget();
+                    if(parentWidget) {
+                        OSWindowRef parentWindow = qt_mac_window_for(parentWidget);
+                        if(parentWindow && [parentWindow isOnActiveSpace]) {
+                            // The window was created in a different space. Therefore if we want
+                            // to show it in the current space we need to recreate it in the new
+                            // space.
+                            recreateMacWindow();
+                            window = qt_mac_window_for(q);
+                        }
                     }
                 }
             }
diff --git a/src/network/socket/qtcpserver.cpp b/src/network/socket/qtcpserver.cpp
index 932126d..55f926d 100644
--- a/src/network/socket/qtcpserver.cpp
+++ b/src/network/socket/qtcpserver.cpp
@@ -562,7 +562,7 @@ QTcpSocket *QTcpServer::nextPendingConnection()
     to the other thread and create the QTcpSocket object there and
     use its setSocketDescriptor() method.
 
-    \sa newConnection(), nextPendingConnection()
+    \sa newConnection(), nextPendingConnection(), addPendingConnection()
 */
 void QTcpServer::incomingConnection(int socketDescriptor)
 {
@@ -572,6 +572,22 @@ void QTcpServer::incomingConnection(int socketDescriptor)
 
     QTcpSocket *socket = new QTcpSocket(this);
     socket->setSocketDescriptor(socketDescriptor);
+    addPendingConnection(socket);
+}
+
+/*!
+    This function is called by QTcpServer::incomingConnection()
+    to add a socket to the list of pending incoming connections.
+
+    \note Don't forget to call this member from reimplemented
+    incomingConnection() if you do not want to break the
+    Pending Connections mechanism.
+
+    \sa incomingConnection()
+    \since 4.7
+*/
+void QTcpServer::addPendingConnection(QTcpSocket* socket)
+{
     d_func()->pendingConnections.append(socket);
 }
 
diff --git a/src/network/socket/qtcpserver.h b/src/network/socket/qtcpserver.h
index 7aebffe..b206678 100644
--- a/src/network/socket/qtcpserver.h
+++ b/src/network/socket/qtcpserver.h
@@ -93,6 +93,7 @@ public:
 
 protected:
     virtual void incomingConnection(int handle);
+    void addPendingConnection(QTcpSocket* socket);
 
 Q_SIGNALS:
     void newConnection();