use layer count from QgsMapLayerRegistry instead of QgsMapCanvas. Fixes #2762

alexbruy · alexbruy · commit d766addf878f · 2011-04-16T09:57:03.000Z
git-svn-id: http://svn.osgeo.org/qgis/trunk@15721 c8812cc2-4d05-0410-92ff-de0c093fc19c
diff --git a/src/app/legend/qgslegend.cpp b/src/app/legend/qgslegend.cpp
@@ -649,7 +649,7 @@ void QgsLegend::addLayer( QgsMapLayer * layer )
   updateMapCanvasLayerSet();
 
   // first layer?
-  if ( mMapCanvas->layerCount() == 1 )
+  if ( QgsMapLayerRegistry::instance()->count() == 1 )
   {
     mMapCanvas->zoomToFullExtent();
     mMapCanvas->clearExtentHistory();

Original file line number	Diff line number	Diff line change
`@@ -649,7 +649,7 @@ void QgsLegend::addLayer( QgsMapLayer * layer )`
`649`	`649`	`updateMapCanvasLayerSet();`
`650`	`650`
`651`	`651`	`// first layer?`
`652`		`- if ( mMapCanvas->layerCount() == 1 )`
	`652`	`+ if ( QgsMapLayerRegistry::instance()->count() == 1 )`
`653`	`653`	`{`
`654`	`654`	`mMapCanvas->zoomToFullExtent();`
`655`	`655`	`mMapCanvas->clearExtentHistory();`