Added QgsVectorLayer::deselect()

git-svn-id: http://svn.osgeo.org/qgis/trunk@9729 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

python/core/qgsvectorlayer.sip

@@ -367,6 +367,9 @@ public slots:
   /** Select feature by its ID, optionally emit signal selectionChanged() */
   void select(int featureId, bool emitSignal = TRUE);
 
+  /** Deselect feature by its ID, optionally emit signal selectionChanged() */
+  void deselect( int featureId, bool emitSignal = TRUE );
+
   /** Clear selection */
   void removeSelection(bool emitSignal = TRUE);
 

src/core/qgsvectorlayer.cpp

@@ -820,6 +820,16 @@ void QgsVectorLayer::select( int number, bool emitSignal )
   }
 }
 
+void QgsVectorLayer::deselect( int number, bool emitSignal )
+{
+  mSelectedFeatureIds.remove( number );
+  
+  if ( emitSignal )
+  {
+    emit selectionChanged();
+  }
+}
+
 void QgsVectorLayer::select( QgsRectangle & rect, bool lock )
 {
   // normalize the rectangle

src/core/qgsvectorlayer.h

@@ -424,6 +424,9 @@ class CORE_EXPORT QgsVectorLayer : public QgsMapLayer
   public slots:
     /** Select feature by its ID, optionally emit signal selectionChanged() */
     void select( int featureId, bool emitSignal = TRUE );
+    
+    /** Deselect feature by its ID, optionally emit signal selectionChanged() */
+    void deselect( int featureId, bool emitSignal = TRUE );
 
     /** Clear selection */
     void removeSelection( bool emitSignal = TRUE );