if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
refresh(&panel->area);
XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);
if (panel->temp_pmap) XFreePixmap(server.dsp, panel->temp_pmap);
panel->temp_pmap = XCreatePixmap(server.dsp, server.root_win, panel->area.width, panel->area.height, server.depth);
refresh(&panel->area);
XCopyArea(server.dsp, panel->temp_pmap, panel->main_win, server.gc, 0, 0, panel->area.width, panel->area.height, 0, 0);