applied patch from Juergen to refresh layer legend from plugin

mhugent · mhugent · commit 2a827fb6911e · 2007-07-30T07:42:12.000Z
git-svn-id: http://svn.osgeo.org/qgis/trunk@7112 c8812cc2-4d05-0410-92ff-de0c093fc19c
diff --git a/python/gui/qgisinterface.sip b/python/gui/qgisinterface.sip
@@ -81,6 +81,9 @@ class QgisInterface : QObject
     /** Return a pointer to the toolbox (where additional pages can be inserted) */
     virtual QToolBox* getToolBox()=0;
 
+    /** refresh legend of a layer */
+    virtual void refreshLegend( QgsMapLayer * layer )=0;
+
   signals:
     /** Emited whenever current (selected) layer changes.
      *  The pointer to layer can be null if no layer is selected
diff --git a/src/app/qgisappinterface.cpp b/src/app/qgisappinterface.cpp
@@ -140,3 +140,8 @@ QToolBox* QgisAppInterface::getToolBox()
 {
   return qgis->toolBox;
 }
+
+void QgisAppInterface::refreshLegend(QgsMapLayer *l)
+{
+  qgis->legend()->refreshLayerSymbology(l->getLayerID());
+}
diff --git a/src/app/qgisappinterface.h b/src/app/qgisappinterface.h
@@ -104,6 +104,9 @@ class QgisAppInterface : public QgisInterface
         /** Return a pointer to the toolbox (where additional pages can be inserted) */
         virtual QToolBox* getToolBox();
 
+	/** refresh the legend of a layer */
+	virtual void refreshLegend(QgsMapLayer *l);
+
     private:
 
         /// QgisInterface aren't copied
diff --git a/src/gui/qgisinterface.h b/src/gui/qgisinterface.h
@@ -113,6 +113,9 @@ class GUI_EXPORT QgisInterface : public QObject
     /** Return a pointer to the toolbox (where additional pages can be inserted) */
     virtual QToolBox* getToolBox()=0;
 
+    /** refresh the legend of a layer */
+    virtual void refreshLegend(QgsMapLayer *l)=0;
+
   signals:
     /** Emited whenever current (selected) layer changes.
      *  The pointer to layer can be null if no layer is selected
diff --git a/src/gui/qgsmapcanvas.cpp b/src/gui/qgsmapcanvas.cpp
@@ -1017,6 +1017,8 @@ void QgsMapCanvas::updateMap()
   // XXX updating is not possible since we're already in paint loop
 //  mCanvas->update();
 //  QApplication::processEvents();
+  QPainter p(this);
+  p.drawPixmap(0, 0, mMap->pixmap());
 }
 
 

Original file line number	Diff line number	Diff line change
`@@ -140,3 +140,8 @@ QToolBox* QgisAppInterface::getToolBox()`
`140`	`140`	`{`
`141`	`141`	`return qgis->toolBox;`
`142`	`142`	`}`
	`143`	`+`
	`144`	`+void QgisAppInterface::refreshLegend(QgsMapLayer *l)`
	`145`	`+{`
	`146`	`+ qgis->legend()->refreshLayerSymbology(l->getLayerID());`
	`147`	`+}`
Original file line number	Diff line number	Diff line change
`@@ -1017,6 +1017,8 @@ void QgsMapCanvas::updateMap()`
`1017`	`1017`	`// XXX updating is not possible since we're already in paint loop`
`1018`	`1018`	`// mCanvas->update();`
`1019`	`1019`	`// QApplication::processEvents();`
	`1020`	`+ QPainter p(this);`
	`1021`	`+ p.drawPixmap(0, 0, mMap->pixmap());`
`1020`	`1022`	`}`
`1021`	`1023`
`1022`	`1024`