Fix snapping

Author: m-kuhn

src/gui/qgsmaptooladvanceddigitizing.cpp

@@ -34,18 +34,21 @@ QgsMapToolAdvancedDigitizing::~QgsMapToolAdvancedDigitizing()
 
 void QgsMapToolAdvancedDigitizing::canvasPressEvent( QgsMapMouseEvent* e )
 {
+  snap( e );
   if ( !mCadDockWidget->canvasPressEvent( e ) )
     cadCanvasPressEvent( e );
 }
 
 void QgsMapToolAdvancedDigitizing::canvasReleaseEvent( QgsMapMouseEvent* e )
 {
+  snap( e );
   if ( !mCadDockWidget->canvasReleaseEvent( e, mCaptureMode == CaptureLine || mCaptureMode == CapturePolygon ) )
     cadCanvasReleaseEvent( e );
 }
 
 void QgsMapToolAdvancedDigitizing::canvasMoveEvent( QgsMapMouseEvent* e )
 {
+  snap( e );
   if ( !mCadDockWidget->canvasMoveEvent( e ) )
     cadCanvasMoveEvent( e );
 }
@@ -70,3 +73,9 @@ void QgsMapToolAdvancedDigitizing::cadPointChanged( const QgsPoint& point )
   fakeEvent.setMapPoint( point );
   canvasMoveEvent( &fakeEvent );
 }
+
+void QgsMapToolAdvancedDigitizing::snap( QgsMapMouseEvent* e )
+{
+  if ( !mCadDockWidget->cadEnabled() )
+    e->snapPoint( QgsMapMouseEvent::SnapProjectConfig );
+}

src/gui/qgsmaptooladvanceddigitizing.h

@@ -123,7 +123,7 @@ class GUI_EXPORT QgsMapToolAdvancedDigitizing : public QgsMapToolEdit
   private slots:
     /**
      * Is to be called by the cad system whenever a point changes outside of a
-     * mouse event. E.g. when additional constraints are triggered.
+     * mouse event. E.g. when additional constraints are toggled.
      * The specified point will be used to generate a fake mouse event which will
      * be sent as move event to cadCanvasMoveEvent.
      *
@@ -133,6 +133,8 @@ class GUI_EXPORT QgsMapToolAdvancedDigitizing : public QgsMapToolEdit
 
   private:
     QgsAdvancedDigitizingDockWidget* mCadDockWidget;
+
+    void snap( QgsMapMouseEvent* e );
 };
 
 #endif // QGSMAPTOOLADVANCEDDIGITIZE_H