Check in the control not in the text field whether the cell is currently

being edited.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@26613 72102866-910b-0410-8b05-ffd578937521

Source/NSControl.m

@@ -625,6 +625,18 @@ static NSNotificationCenter *nc;
 
 - (void) drawRect: (NSRect)aRect
 {
+  /* Do nothing if there is already a text editor doing the drawing;
+   * otherwise, we draw everything twice.  That is bad if there are
+   * any transparency involved (eg, even an anti-alias font!) because
+   * if the semi-transparent pixels are drawn over themselves they
+   * become less transparent (eg, an anti-alias font becomes darker
+   * and gives the impression of being bold).
+   */
+  if ([self currentEditor] != nil)
+    {
+      return;
+    }
+
   [self drawCell: _cell];
 }