[composer] Make sure signals for overview extent changing are reconne…

…cted after loading composition
qgis · Jan 1, 2014 · 353f94c · 353f94c
1 parent 728a1b0
commit 353f94c
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/src/core/composer/qgscomposition.cpp b/src/core/composer/qgscomposition.cpp
@@ -796,6 +796,21 @@ void QgsComposition::addItemsFromXML( const QDomElement& elem, const QDomDocumen
       pushAddRemoveCommand( newMap, tr( "Map added" ) );
     }
   }
+  //now that all map items have been created, re-connect overview map signals
+  QList<QgsComposerMap*> maps;
+  composerItems( maps );
+  for ( QList<QgsComposerMap*>::iterator mit = maps.begin(); mit != maps.end(); ++mit )
+  {
+    if (( *mit )->overviewFrameMapId() != -1 )
+    {
+      const QgsComposerMap* overviewMap = getComposerMapById(( *mit )->overviewFrameMapId() );
+      if ( overviewMap )
+      {
+        QObject::connect( overviewMap, SIGNAL( extentChanged() ), *mit, SLOT( overviewExtentChanged() ) );
+      }
+    }
+  }
+
   // arrow
   QDomNodeList composerArrowList = elem.elementsByTagName( "ComposerArrow" );
   for ( int i = 0; i < composerArrowList.size(); ++i )