[gui] improve no color logic by keeping RGB values

(cherry-picked from 64823d1)
qgis · Jun 30, 2016 · cb135e9 · cb135e9
1 parent 71308c7
commit cb135e9
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/gui/qgscolorbuttonv2.cpp b/src/gui/qgscolorbuttonv2.cpp
@@ -159,7 +159,9 @@ void QgsColorButtonV2::setToNoColor()
 {
   if ( mAllowAlpha )
   {
-    setColor( QColor( 0, 0, 0, 0 ) );
+    QColor noColor = QColor( mColor );
+    noColor.setAlpha( 0 );
+    setColor( noColor );
   }
 }