// XCreateWindow(display, parent, x, y, w, h, border, depth, class, visual, mask, attrib)
// main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
if (window.main_win) XDestroyWindow(server.dsp, window.main_win);
// XCreateWindow(display, parent, x, y, w, h, border, depth, class, visual, mask, attrib)
// main_win doesn't include panel.area.paddingx, so we have WM capabilities on left and right.
if (window.main_win) XDestroyWindow(server.dsp, window.main_win);