rename displayMessage to emitMessage in QgsMapTool

src/app/nodetool/qgsmaptoolnodetool.cpp

@@ -362,7 +362,7 @@ void QgsMapToolNodeTool::canvasPressEvent( QMouseEvent * e )
 
     if ( snapResults.size() < 1 )
     {
-      emit displayMessage( tr( "could not snap to a segment on the current layer." ) );
+      emit emitMessage( tr( "could not snap to a segment on the current layer." ) );
       return;
     }
 

src/app/qgsmaptooladdpart.cpp

@@ -62,7 +62,7 @@ void QgsMapToolAddPart::canvasReleaseEvent( QMouseEvent * e )
 
   if ( !selectionErrorMsg.isEmpty() )
   {
-    emit displayMessage( tr( "Could not add part. %1" ).arg( selectionErrorMsg ) , QgsMessageBar::WARNING );
+    emit emitMessage( tr( "Could not add part. %1" ).arg( selectionErrorMsg ) , QgsMessageBar::WARNING );
     stopCapturing();
     return;
   }
@@ -101,7 +101,7 @@ void QgsMapToolAddPart::canvasReleaseEvent( QMouseEvent * e )
         else if ( error == 2 )
         {
           //problem with coordinate transformation
-          emit displayMessage( tr( "Coordinate transform error. Cannot transform the point to the layers coordinate system" ) , QgsMessageBar::WARNING );
+          emit emitMessage( tr( "Coordinate transform error. Cannot transform the point to the layers coordinate system" ) , QgsMessageBar::WARNING );
           return;
         }
 
@@ -195,6 +195,6 @@ void QgsMapToolAddPart::canvasReleaseEvent( QMouseEvent * e )
       break;
   }
 
-  emit displayMessage( errorMessage , QgsMessageBar::WARNING );
+  emit emitMessage( errorMessage , QgsMessageBar::WARNING );
   vlayer->destroyEditCommand();
 }

src/app/qgsmaptooldeletepart.cpp

@@ -64,7 +64,7 @@ void QgsMapToolDeletePart::canvasPressEvent( QMouseEvent *e )
   }
   else
   {
-    emit displayMessage( tr( "could not snap to a part on the current layer." ) );
+    emit emitMessage( tr( "could not snap to a part on the current layer." ) );
   }
 }
 

src/app/qgsmaptooldeletering.cpp

@@ -66,7 +66,7 @@ void QgsMapToolDeleteRing::canvasPressEvent( QMouseEvent *e )
   }
   else
   {
-    emit displayMessage( tr( "could not snap to a ring on the current layer." ) );
+    emit emitMessage( tr( "could not snap to a ring on the current layer." ) );
   }
 }
 

src/app/qgsmaptooledit.cpp

@@ -133,10 +133,10 @@ int QgsMapToolEdit::addTopologicalPoints( const QList<QgsPoint>& geom )
 
 void QgsMapToolEdit::notifyNotVectorLayer()
 {
-  emit displayMessage( tr( "No active vector layer" ) );
+  emit emitMessage( tr( "No active vector layer" ) );
 }
 
 void QgsMapToolEdit::notifyNotEditableLayer()
 {
-  emit displayMessage( tr( "Layer not editable" ) );
+  emit emitMessage( tr( "Layer not editable" ) );
 }

src/gui/qgsmaptool.h

@@ -131,8 +131,8 @@ class GUI_EXPORT QgsMapTool : public QObject
 
   signals:
     //! emit a message
-    void displayMessage( QString message );
-    void displayMessage( QString message, QgsMessageBar::MessageLevel );
+    void emitMessage( QString message );
+    void emitMessage( QString message, QgsMessageBar::MessageLevel );
 
     //! emit signal to clear previous message
     void removeMessage();