Add distance item

Author: mhugent

src/app/qgsmaptooloffsetcurve.cpp

@@ -20,7 +20,7 @@
 #include "qgsvectorlayer.h"
 #include <QMouseEvent>
 
-QgsMapToolOffsetCurve::QgsMapToolOffsetCurve( QgsMapCanvas* canvas ): QgsMapToolEdit( canvas ), mRubberBand( 0 ), mOriginalGeometry( 0 ), mGeometryModified( false )
+QgsMapToolOffsetCurve::QgsMapToolOffsetCurve( QgsMapCanvas* canvas ): QgsMapToolEdit( canvas ), mRubberBand( 0 ), mOriginalGeometry( 0 ), mGeometryModified( false ), mDistanceItem( 0 )
 {
 }
 
@@ -182,6 +182,21 @@ QgsGeometry* QgsMapToolOffsetCurve::createOriginGeometry( QgsVectorLayer* vl, co
   }
 }
 
+QGraphicsProxyWidget* QgsMapToolOffsetCurve::createDistanceItem()
+{
+  if ( !mCanvas )
+  {
+    return 0;
+  }
+
+  QGraphicsProxyWidget* pw = new QGraphicsProxyWidget();
+  //Embed double spin box
+  QDoubleSpinBox* sb = new QDoubleSpinBox();
+  pw->setWidget( sb );
+
+  return pw;
+}
+
 void QgsMapToolOffsetCurve::deleteRubberBandAndGeometry()
 {
   delete mRubberBand;

src/app/qgsmaptooloffsetcurve.h

@@ -20,6 +20,8 @@
 #include "qgsgeometry.h"
 #include "qgssnapper.h"
 
+class QGraphicsProxyWidget;
+
 class QgsMapToolOffsetCurve: public QgsMapToolEdit
 {
   public:
@@ -44,10 +46,13 @@ class QgsMapToolOffsetCurve: public QgsMapToolEdit
     QString mSourceLayerId;
     /**Internal flag to distinguish move from click*/
     bool mGeometryModified;
+    /**Shows current distance value and allows numerical editing*/
+    QGraphicsProxyWidget* mDistanceItem;
 
 
     void deleteRubberBandAndGeometry();
     QgsGeometry* createOriginGeometry( QgsVectorLayer* vl, const QgsSnappingResult& sr, QgsFeature& snappedFeature );
+    QGraphicsProxyWidget* createDistanceItem();
 };
 
 #endif // QGSMAPTOOLOFFSETCURVE_H