Fixed broken support for using Ctrl in select tool to add features to selection.

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@6227 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

src/gui/qgsmaptoolselect.cpp

@@ -41,7 +41,7 @@ void QgsMapToolSelect::canvasPressEvent(QMouseEvent * e)
 
 void QgsMapToolSelect::canvasMoveEvent(QMouseEvent * e)
 {
-  if (e->state() != Qt::LeftButton && e->state() != Qt::LeftButton + Qt::ControlModifier)
+  if ( e->buttons() != Qt::LeftButton )
     return;
 
   if (!mDragging)
@@ -86,7 +86,7 @@ void QgsMapToolSelect::canvasReleaseEvent(QMouseEvent * e)
 
   // if Ctrl key is pressed, selected features will be added to selection
   // instead of removing old selection
-  bool lock = (e->state() == Qt::ControlModifier);
+  bool lock = (e->modifiers() & Qt::ControlModifier);
   mCanvas->currentLayer()->select(&search, lock);
 
 }