Fix for scalebar not responding to map changes after reading from pro…

…ject file and template git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@12619 c8812cc2-4d05-0410-92ff-de0c093fc19c
qgis · Dec 25, 2009 · e873cd2 · e873cd2
1 parent b43deaf
commit e873cd2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/core/composer/qgscomposerscalebar.cpp b/src/core/composer/qgscomposerscalebar.cpp
@@ -343,6 +343,11 @@ bool QgsComposerScaleBar::readXML( const QDomElement& itemElem, const QDomDocume
   {
     const QgsComposerMap* composerMap = mComposition->getComposerMapById( mapId );
     mComposerMap = composerMap;
+    if ( mComposerMap )
+    {
+      connect( mComposerMap, SIGNAL( extentChanged() ), this, SLOT( updateSegmentSize() ) );
+      connect( mComposerMap, SIGNAL( destroyed( QObject* ) ), this, SLOT( invalidateCurrentMap() ) );
+    }
   }
 
   refreshSegmentMillimeters();