message: Replace deprecated convert func (mac)
diff: @@ -210,7 +210,7 @@ extern void *ctx;
  - (void)focusFieldName
  {
  NSPoint globalLocation = [NSEvent mouseLocation];
  - NSPoint windowLocation = [ [ self window ] convertScreenToBase:globalLocation ];
  + NSPoint windowLocation = [self.window convertPointFromScreen:globalLocation];
  NSPoint mouseLocation = [self convertPoint:windowLocation fromView:nil];
  [self setFocused];
  