Recalculate content if one of the frames changes size

Author: mhugent

src/core/composer/qgscomposermultiframe.cpp

@@ -37,3 +37,9 @@ void QgsComposerMultiFrame::recalculateFrameSizes()
     item->setContentSection( QRectF( 0, 0, item->rect().width(), item->rect().height() ) );
   }
 }
+
+void QgsComposerMultiFrame::addFrame( QgsComposerFrame* frame )
+{
+  mFrameItems.push_back( frame );
+  QObject::connect( frame, SIGNAL( sizeChanged() ), this, SLOT( recalculateFrameSizes() ) );
+}

src/core/composer/qgscomposermultiframe.h

@@ -41,12 +41,13 @@ class QgsComposerMultiFrame: public QObject
     virtual QSizeF totalSize() const = 0;
     virtual void render( QPainter* p, const QRectF& renderExtent ) = 0;
 
-    void addFrame( QgsComposerFrame* frame ) { mFrameItems.push_back( frame ); }
+    void addFrame( QgsComposerFrame* frame );
 
   protected:
     QgsComposition* mComposition;
     QList<QgsComposerFrame*> mFrameItems;
 
+  protected slots:
     void recalculateFrameSizes();
 
   private: