[composer] Option for fixed frame sizes set by multi frame (sponsored

by City of Uster, Switzerland)

Author: nyalldawson

python/core/composer/qgscomposerframe.sip

@@ -26,4 +26,7 @@ class QgsComposerFrame: QgsComposerItem
 
     //Overriden to allow multiframe to set display name
     virtual QString displayName() const;
+    
+    //Overriden to handle fixed frame sizes set by multi frame
+    void setSceneRect( const QRectF& rectangle );
 };

python/core/composer/qgscomposermultiframe.sip

@@ -19,6 +19,15 @@ class QgsComposerMultiFrame: QgsComposerObject
     QgsComposerMultiFrame( QgsComposition* c, bool createUndoCommands );
     virtual ~QgsComposerMultiFrame();
     virtual QSizeF totalSize() const = 0;
+    
+    /**Returns a fixed size for the frames, if desired.
+     * @returns fixed size for frames. If the size has a width or height of 0, then
+     * the frame size is not fixed in that direction and frames can have variable width
+     * or height accordingly.
+     * @note added in version 2.5
+    */
+    virtual QSizeF fixedFrameSize() const;
+    
     virtual void render( QPainter* p, const QRectF& renderExtent ) = 0;
 
     virtual void addFrame( QgsComposerFrame* frame, bool recalcFrameSizes = true ) = 0;

src/core/composer/qgscomposerframe.cpp

@@ -77,6 +77,22 @@ QString QgsComposerFrame::displayName() const
   return tr( "<frame>" );
 }
 
+void QgsComposerFrame::setSceneRect( const QRectF &rectangle )
+{
+  QRectF fixedRect = rectangle;
+  QSizeF fixedSize = mMultiFrame->fixedFrameSize();
+  if ( fixedSize.width() > 0 )
+  {
+    fixedRect.setWidth( fixedSize.width() );
+  }
+  if ( fixedSize.height() > 0 )
+  {
+    fixedRect.setHeight( fixedSize.height() );
+  }
+
+  QgsComposerItem::setSceneRect( fixedRect );
+}
+
 void QgsComposerFrame::paint( QPainter* painter, const QStyleOptionGraphicsItem* itemStyle, QWidget* pWidget )
 {
   Q_UNUSED( itemStyle );

src/core/composer/qgscomposerframe.h

@@ -46,6 +46,9 @@ class CORE_EXPORT QgsComposerFrame: public QgsComposerItem
     //Overriden to allow multiframe to set display name
     virtual QString displayName() const;
 
+    //Overriden to handle fixed frame sizes set by multi frame
+    void setSceneRect( const QRectF& rectangle );
+
   private:
     QgsComposerFrame(); //forbidden
     QgsComposerMultiFrame* mMultiFrame;

src/core/composer/qgscomposermultiframe.h

@@ -46,6 +46,15 @@ class CORE_EXPORT QgsComposerMultiFrame: public QgsComposerObject
     QgsComposerMultiFrame( QgsComposition* c, bool createUndoCommands );
     virtual ~QgsComposerMultiFrame();
     virtual QSizeF totalSize() const = 0;
+
+    /**Returns a fixed size for the frames, if desired.
+     * @returns fixed size for frames. If the size has a width or height of 0, then
+     * the frame size is not fixed in that direction and frames can have variable width
+     * or height accordingly.
+     * @note added in version 2.5
+    */
+    virtual QSizeF fixedFrameSize() const { return QSizeF( 0, 0 ); }
+
     virtual void render( QPainter* p, const QRectF& renderExtent ) = 0;
 
     virtual void addFrame( QgsComposerFrame* frame, bool recalcFrameSizes = true ) = 0;

src/core/composer/qgscomposertablev2.cpp

@@ -354,6 +354,11 @@ QMap<int, QString> QgsComposerTableV2::headerLabels() const
   return headers;
 }
 
+QSizeF QgsComposerTableV2::fixedFrameSize() const
+{
+  return QSizeF( mTableSize.width(), 0 );
+}
+
 void QgsComposerTableV2::refreshAttributes()
 {
   mMaxColumnWidthMap.clear();

src/core/composer/qgscomposertablev2.h

@@ -231,6 +231,9 @@ class CORE_EXPORT QgsComposerTableV2: public QgsComposerMultiFrame
      */
     virtual bool getTableContents( QgsComposerTableContents &contents ) = 0;
 
+    //reimplemented to return fixed table width
+    virtual QSizeF fixedFrameSize() const;
+
   public slots:
 
     /**Refreshes the contents shown in the table by querying for new data.