public Thing handlecmd(Interp ip, Object target, String subcmd, Thing[] argv, int startat)
throws HeclException {
HeclCanvas c = (HeclCanvas) target;
if (subcmd.equals(WidgetInfo.NREPAINT)) {
c.repaint();
return null;
}
if (subcmd.equals("servicerepaints")) {
c.serviceRepaints();
return null;
}
if (subcmd.equals("flush")) {
if (argv.length == startat) {
// Simple case, flush whole buffer
c.flushGraphics();
return null;
}
// x, y, w, h
if (startat + 4 != argv.length)
throw HeclException.createWrongNumArgsException(argv, startat, "x y w h");
c.flushGraphics(
IntThing.get(argv[startat]),
IntThing.get(argv[startat + 1]),
IntThing.get(argv[startat + 2]),
IntThing.get(argv[startat + 3]));
return null;
}
if (subcmd.equals("graphics")) return ObjectThing.create(c.getDrawable());
return super.handlecmd(ip, target, subcmd, argv, startat);
}
