[composer] Add signal for when composition print resolution changes (…

…sponsored by City of Uster, Switzerland)
qgis · Apr 28, 2014 · ecc2ebf · ecc2ebf
1 parent 21a2929
commit ecc2ebf
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Showing 3 changed files with 12 additions and 1 deletion.
diff --git a/python/core/composer/qgscomposition.sip b/python/core/composer/qgscomposition.sip
@@ -416,6 +416,9 @@ class QgsComposition : QGraphicsScene
     void paperSizeChanged();
     void nPagesChanged();
 
+    /**Is emitted when the compositions print resolution changes*/
+    void printResolutionChanged();
+
     /**Is emitted when selected item changed. If 0, no item is selected*/
     void selectedItemChanged( QgsComposerItem* selected );
     /**Is emitted when new composer arrow has been added to the view*/

diff --git a/src/core/composer/qgscomposition.cpp b/src/core/composer/qgscomposition.cpp
@@ -507,6 +507,11 @@ const QgsComposerItem* QgsComposition::getComposerItemByUuid( QString theUuid )
   return 0;
 }
 
+void QgsComposition::setPrintResolution( int dpi )
+{
+  mPrintResolution = dpi;
+  emit printResolutionChanged();
+}
 
 void QgsComposition::setUseAdvancedEffects( bool effectsEnabled )
 {

diff --git a/src/core/composer/qgscomposition.h b/src/core/composer/qgscomposition.h
@@ -241,7 +241,7 @@ class CORE_EXPORT QgsComposition : public QGraphicsScene
     const QgsComposerItem* getComposerItemByUuid( QString theUuid ) const;
 
     int printResolution() const {return mPrintResolution;}
-    void setPrintResolution( int dpi ) {mPrintResolution = dpi;}
+    void setPrintResolution( int dpi );
 
     bool printAsRaster() const {return mPrintAsRaster;}
     void setPrintAsRaster( bool enabled ) { mPrintAsRaster = enabled; }
@@ -570,6 +570,9 @@ class CORE_EXPORT QgsComposition : public QGraphicsScene
     void paperSizeChanged();
     void nPagesChanged();
 
+    /**Is emitted when the compositions print resolution changes*/
+    void printResolutionChanged();
+
     /**Is emitted when selected item changed. If 0, no item is selected*/
     void selectedItemChanged( QgsComposerItem* selected );
     /**Is emitted when new composer arrow has been added to the view*/