If a dependent layer is redrawn, then also redraw child layer

nyalldawson · nyalldawson · commit 5284fefcdeef · 2016-09-20T11:12:53.000+10:00
diff --git a/src/core/qgsvectorlayer.cpp b/src/core/qgsvectorlayer.cpp
@@ -4139,6 +4139,7 @@ bool QgsVectorLayer::setDependencies( const QSet<QgsMapLayerDependency>& oDeps )
     disconnect( lyr, SIGNAL( featureDeleted( QgsFeatureId ) ), this, SIGNAL( dataChanged() ) );
     disconnect( lyr, SIGNAL( geometryChanged( QgsFeatureId, const QgsGeometry& ) ), this, SIGNAL( dataChanged() ) );
     disconnect( lyr, SIGNAL( dataChanged() ), this, SIGNAL( dataChanged() ) );
+    disconnect( lyr, SIGNAL( repaintRequested() ), this, SLOT( triggerRepaint() ) );
   }
 
   // assign new dependencies
@@ -4158,6 +4159,7 @@ bool QgsVectorLayer::setDependencies( const QSet<QgsMapLayerDependency>& oDeps )
     connect( lyr, SIGNAL( featureDeleted( QgsFeatureId ) ), this, SIGNAL( dataChanged() ) );
     connect( lyr, SIGNAL( geometryChanged( QgsFeatureId, const QgsGeometry& ) ), this, SIGNAL( dataChanged() ) );
     connect( lyr, SIGNAL( dataChanged() ), this, SIGNAL( dataChanged() ) );
+    connect( lyr, SIGNAL( repaintRequested() ), this, SLOT( triggerRepaint() ) );
   }
 
   // if new layers are present, emit a data change

Original file line number	Diff line number	Diff line change
`@@ -4139,6 +4139,7 @@ bool QgsVectorLayer::setDependencies( const QSet<QgsMapLayerDependency>& oDeps )`
`4139`	`4139`	`disconnect( lyr, SIGNAL( featureDeleted( QgsFeatureId ) ), this, SIGNAL( dataChanged() ) );`
`4140`	`4140`	`disconnect( lyr, SIGNAL( geometryChanged( QgsFeatureId, const QgsGeometry& ) ), this, SIGNAL( dataChanged() ) );`
`4141`	`4141`	`disconnect( lyr, SIGNAL( dataChanged() ), this, SIGNAL( dataChanged() ) );`
	`4142`	`+ disconnect( lyr, SIGNAL( repaintRequested() ), this, SLOT( triggerRepaint() ) );`
`4142`	`4143`	`}`
`4143`	`4144`
`4144`	`4145`	`// assign new dependencies`
`@@ -4158,6 +4159,7 @@ bool QgsVectorLayer::setDependencies( const QSet<QgsMapLayerDependency>& oDeps )`
`4158`	`4159`	`connect( lyr, SIGNAL( featureDeleted( QgsFeatureId ) ), this, SIGNAL( dataChanged() ) );`
`4159`	`4160`	`connect( lyr, SIGNAL( geometryChanged( QgsFeatureId, const QgsGeometry& ) ), this, SIGNAL( dataChanged() ) );`
`4160`	`4161`	`connect( lyr, SIGNAL( dataChanged() ), this, SIGNAL( dataChanged() ) );`
	`4162`	`+ connect( lyr, SIGNAL( repaintRequested() ), this, SLOT( triggerRepaint() ) );`
`4161`	`4163`	`}`
`4162`	`4164`
`4163`	`4165`	`// if new layers are present, emit a data change`