public Hello(String [] args)
: base(args)
{
about ("0.1", "hello world",
"Stephen Tse <*****@*****.**>",
"http://escher.sourceforge.net/",
"\nTo quit, press 'q', 'Q', ESCAPE, or any button.");
if (help_option) return;
Window.Attributes win_attr = new Window.Attributes ();
win_attr.set_background (display.default_white);
win_attr.set_border (display.default_black);
win_attr.set_event_mask (Event.BUTTON_PRESS_MASK
| Event.EXPOSURE_MASK | Event.KEY_PRESS_MASK);
Window window = new Window (display.default_root, 10, 10,
100, 50, 5, win_attr);
window.set_wm (this, "main");
window.set_wm_delete_window ();
window.map ();
while (!exit_now) {
Event evt = display.next_event ();
switch (evt.code ()) {
case gnu.x11.xevent.ButtonPress.CODE:
exit ();
break;
case ClientMessage.CODE:
if (((ClientMessage) evt).delete_window ()) exit ();
break;
case Expose.CODE:
if (((Expose) evt).count () == 0)
window.text (display.default_gc, 20, 30, "Hello World!");
break;
case KeyPress.CODE: {
KeyPress e = (KeyPress) evt;
int keycode = e.detail ();
int keystate = e.state ();
int keysym = display.input.keycode_to_keysym (keycode, keystate);
if (keysym == 'q' || keysym == 'Q'
|| keysym == gnu.x11.keysym.Misc.ESCAPE) exit ();
break;
}
}
}
display.close ();
}
//throws gnu.x11.extension.NotFoundException {
public PrintHello(String [] args)
: base(args)
{
String printer_name = option.option ("printer");
about ("0.1", "print hello world",
"Stephen Tse <*****@*****.**>",
"http://escher.sourceforge.net/");
if (help_option) return;
Print print = new Print (display);
Print.Context context = print.create_context (printer_name);
Console.WriteLine (print);
Console.WriteLine (context);
context.set_attributes (Print.Context.JOB_ATTRIBUTE_POOL,
Print.Context.ATTRIBUTE_MERGE,
"*job-name: Hello world for Xprint");
context.set ();
print.start_job (Print.SPOOL);
Window root = context.screen ();
GC gc = root.screen ().default_gc ();
gc.set_font (new gnu.x11.Font (display, FONT));
Window window = new Window (root, 100, 100, 100, 100);
window.create ();
print.start_page (window);
window.map ();
window.text (gc, 20, 30, "Hello World!");
print.end_page ();
print.end_job ();
context.destroy ();
display.close ();
}