QmlDesigner.NodeInstance: Update the screen object if the root item size changed

Change-Id: Ifc06131f4a57a30ab9b20687372150b23c8416cb
Reviewed-on: http://codereview.qt.nokia.com/2285
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@nokia.com>

share/qtcreator/qml/qmlpuppet/qmlpuppet/instances/qt4nodeinstanceserver.cpp

@@ -146,4 +146,45 @@ void Qt4NodeInstanceServer::refreshBindings()
     engine()->rootContext()->setContextProperty(QString("__%1").arg(counter++), 0); // refreshing bindings
 }
 
+void Qt4NodeInstanceServer::changeAuxiliaryValues(const ChangeAuxiliaryCommand &command)
+{
+    NodeInstanceServer::changeAuxiliaryValues(command);
+
+    refreshScreenObject();
+}
+
+void Qt4NodeInstanceServer::changePropertyValues(const ChangeValuesCommand &command)
+{
+    NodeInstanceServer::changePropertyValues(command);
+
+    refreshScreenObject();
+}
+
+void Qt4NodeInstanceServer::changePropertyBindings(const ChangeBindingsCommand &command)
+{
+    NodeInstanceServer::changePropertyBindings(command);
+
+    refreshScreenObject();
+}
+
+void Qt4NodeInstanceServer::removeProperties(const RemovePropertiesCommand &command)
+{
+    NodeInstanceServer::removeProperties(command);
+
+    refreshScreenObject();
+}
+
+void Qt4NodeInstanceServer::refreshScreenObject()
+{
+    if (declarativeView()) {
+        QObject *screen = rootContext()->contextProperty("screen").value<QObject*>();
+        if (screen) {
+            screen->metaObject()->invokeMethod(screen,
+                                               "privateSetDisplay",
+                                               Q_ARG(int, rootNodeInstance().size().width()),
+                                               Q_ARG(int, rootNodeInstance().size().height()),
+                                               Q_ARG(qreal, 210)); // TODO: dpi should be setable
+        }
+    }
+}
 } // QmlDesigner

share/qtcreator/qml/qmlpuppet/qmlpuppet/instances/qt4nodeinstanceserver.h

@@ -53,12 +53,18 @@ public:
     QDeclarativeEngine *engine() const;
     void refreshBindings();
 
+    void changeAuxiliaryValues(const ChangeAuxiliaryCommand &command);
+    void changePropertyValues(const ChangeValuesCommand &command);
+    void changePropertyBindings(const ChangeBindingsCommand &command);
+    void removeProperties(const RemovePropertiesCommand &command);
+
 protected:
     void initializeView(const QVector<AddImportContainer> &importVector);
     void resizeCanvasSizeToRootItemSize();
     void resetAllItems();
     bool nonInstanceChildIsDirty(QGraphicsObject *graphicsObject) const;
     QList<ServerNodeInstance> setupScene(const CreateSceneCommand &command);
+    void refreshScreenObject();
 
 private:
     QWeakPointer<QDeclarativeView> m_declarativeView;