if(stack) {
brush.rect.width = textwidth(&brush.font, stack->name) + labelheight(&brush.font);
swap((void **)&brush.fg, (void **)&brush.bg);
if(stack) {
brush.rect.width = textwidth(&brush.font, stack->name) + labelheight(&brush.font);
swap((void **)&brush.fg, (void **)&brush.bg);