public void cset(Interp ip, Object target, String optname, Thing optval) throws HeclException {
HeclCanvas c = (HeclCanvas) target;
if (optname.equals("-fullscreen")) {
c.setFullScreenMode(HeclUtils.thing2bool(optval));
return;
}
if (optname.equals("-autoflush")) {
c.setAutoFlushMode(HeclUtils.thing2bool(optval));
return;
}
if (optname.equals("-cmdbg")) {
c.setCmdBgColor(new Color(WidgetInfo.toColor(optval)));
return;
}
if (optname.equals("-cmdfg")) {
c.setCmdFgColor(new Color(WidgetInfo.toColor(optval)));
return;
}
if (optname.equals("-eventhandler")) {
EventHandler h = null;
if (optval.toString().length() > 0) h = new WidgetListener(ip, optval, c);
c.setEventHandler(h);
return;
}
super.cset(ip, target, optname, optval);
}
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);
}
public Thing cget(Interp ip, Object target, String optname) throws HeclException {
HeclCanvas c = (HeclCanvas) target;
if (optname.equals(WidgetInfo.NWIDTH)) return IntThing.create(c.getWidth());
if (optname.equals("-drawwidth")) return IntThing.create(c.getDrawWidth());
if (optname.equals(WidgetInfo.NHEIGHT)) return IntThing.create(c.getHeight());
if (optname.equals("-drawheight")) return IntThing.create(c.getDrawHeight());
if (optname.equals("-fullwidth")) return IntThing.create(c.getFullWidth());
if (optname.equals("-fullheight")) return IntThing.create(c.getFullHeight());
if (optname.equals("-fullscreen")) return IntThing.create(c.getFullScreenMode());
if (optname.equals("-doublebuffered")) return IntThing.create(c.isDoubleBuffered());
if (optname.equals("-pointerevents")) return IntThing.create(c.hasPointerEvents());
if (optname.equals("-pointermotionevents")) return IntThing.create(c.hasPointerMotionEvents());
if (optname.equals("-repeatevents")) return IntThing.create(c.hasRepeatEvents());
if (optname.equals("-autoflush")) return IntThing.create(c.getAutoFlushMode());
if (optname.equals("-cmdbg")) return WidgetInfo.fromColor(c.getCmdBgColor());
if (optname.equals("-cmdfg")) return WidgetInfo.fromColor(c.getCmdFgColor());
// #ifdef notdef
GraphicsCmd gcmd = c.getGraphicsCmd();
if (gcmd != null) {
return gcmd.cget(ip, target, optname);
}
// #endif
return super.cget(ip, target, optname);
}