fix #8507

made void connectNotify( const char * signal ) protected instead of private
made bool eventFilter( QObject *obj, QEvent *event ) protected instead of private
made void showEvent( QShowEvent * ) and void hideEvent( QHideEvent * ) instead of private

Author: christianurich

src/core/qgsmaplayerregistry.h

@@ -239,17 +239,18 @@ class CORE_EXPORT QgsMapLayerRegistry : public QObject
     //! protected constructor
     QgsMapLayerRegistry( QObject * parent = 0 );
 
+    /** debugging member
+        invoked when a connect() is made to this object
+    */
+    void connectNotify( const char * signal );
+
   private:
 
     static QgsMapLayerRegistry* mInstance;
 
     QMap<QString, QgsMapLayer*> mMapLayers;
     QSet<QgsMapLayer*> mOwnedLayers;
 
-    /** debugging member
-        invoked when a connect() is made to this object
-    */
-    void connectNotify( const char * signal );
 
 
 }; // class QgsMapLayerRegistry

src/gui/qgsattributedialog.h

@@ -59,9 +59,10 @@ class GUI_EXPORT QgsAttributeDialog : public QObject
 
     void dialogDestroyed();
 
-  private:
+  protected:
     bool eventFilter( QObject *obj, QEvent *event );
 
+  private:
     QDialog *mDialog;
     QString mSettingsPath;
     // Used to sync multiple widgets for the same field

src/gui/qgsmapcanvas.h

@@ -410,6 +410,11 @@ class GUI_EXPORT QgsMapCanvas : public QGraphicsView
     /// Handle pattern for implementation object
     std::auto_ptr<CanvasProperties> mCanvasProperties;
 
+    /**debugging member
+       invoked when a connect() is made to this object
+    */
+    void connectNotify( const char * signal );
+
   private slots:
     void crsTransformEnabled( bool );
 
@@ -459,11 +464,6 @@ class GUI_EXPORT QgsMapCanvas : public QGraphicsView
        the last entry in case a lot of resize events arrive in short time*/
     QList< QPair<int, int> > mResizeQueue;
 
-    /**debugging member
-       invoked when a connect() is made to this object
-    */
-    void connectNotify( const char * signal );
-
     //! current layer in legend
     QgsMapLayer* mCurrentLayer;
 

src/gui/qgsmessagelogviewer.h

@@ -42,10 +42,11 @@ class GUI_EXPORT QgsMessageLogViewer: public QDialog, private Ui::QgsMessageLogV
   public slots:
     void logMessage( QString message, QString tag, QgsMessageLog::MessageLevel level );
 
-  private:
+  protected:
     void showEvent( QShowEvent * );
     void hideEvent( QHideEvent * );
 
+  private:
     QToolButton *mButton;
     int mCount;