def _glyphset_List_doubleClickCallback(self, sender):
sel = sender.getSelection()
if not sel: return
if self.ui.glyph is None: return
OpenGlyphWindow(self.ui.glyph)
gw = CurrentGlyphWindow()
appearance = NSAppearance.appearanceNamed_(
'NSAppearanceNameVibrantDark')
gw.window().getNSWindow().setAppearance_(appearance)
