public Graphics(String [] args, int width, int height)
: base(args)
{
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 = new Window(display.default_root, 10, 10,
width, height, 5, win_attr);
window.set_wm(this, "main");
window.set_wm_delete_window();
}
protected void init_window(int width, int height)
{
visual_config = glx.visual_config(visual_config);
int vid = visual_config.visual_id();
gl = glx.create_context(vid, display.default_screen_no, GL.NONE0);
// FIXME share colormap
Colormap colormap = new Colormap(display.default_root, vid, false);
Window.Attributes attr = new Window.Attributes();
attr.set_colormap(colormap);
// TODO use depth of x visual config instead of
// `visual_config.buffer_size'?
int depth = visual_config.buffer_size();
int more = Event.EXPOSURE_MASK | Event.KEY_PRESS_MASK; // compulsory
/* Bugs? Whenever button motion events are selected, it is required to
* select button press event as well.
*/
if ((event_mask & ANY_BUTTON_MOTION_BITS) != 0)
{
more |= Event.BUTTON_PRESS_MASK;
}
attr.set_event_mask(event_mask | more);
window = new Window(display.default_root, 10, 10, width, height);
window.create(5, depth, Window.INPUT_OUTPUT, vid, attr);
window.set_wm(this, "main");
window.set_wm_delete_window();
gl.make_current(window);
glu = new GLU(gl);
glut = new GLUT(glu);
}
public DisplayHack(String [] args, bool clear, bool erase,
bool rainbow_color, int default_color_count, int default_delay)
: base(args)
{
this.thread = new Thread(new ThreadStart(this.run));
this.clear = clear;
this.erase_ = erase;
int color_count = option.intt("color-count",
"total number of random colors", default_color_count);
delay = option.longg("delay",
"delay between screens in ms", default_delay);
if (erase)
{
eraser_delay = option.longg("eraser-delay",
"delay between iterations of eraser in ms", 10);
eraser_delta = option.intt("eraser-delta",
"granularity of eraser", 5, 1, 10);
eraser_mode = option.Enum("eraser-mode",
"which eraser", Eraser.ALL_STRINGS,
Eraser.RANDOM_ERASER_INDEX);
}
Rectangle geometry = option.rectangle("geometry",
"initial geometry of main window",
new Rectangle(10, 10, 600, 480));
if (help_option)
{
return;
}
gc = gnu.x11.GC.build(display);
if (erase_)
{
eraser_gc = gnu.x11.GC.build(display);
}
colors = new Color [color_count];
if (rainbow_color)
{
for (int i = 0; i < color_count; i++)
{
colors [i] = display.default_colormap.
alloc_random_rainbow_color(random);
}
}
else
{
for (int i = 0; i < color_count; i++)
{
colors [i] = display.default_colormap.alloc_random_color(random);
}
}
Window.Attributes win_attr = new Window.Attributes();
win_attr.set_background(display.default_black);
win_attr.set_event_mask(Event.BUTTON_PRESS_MASK
| Event.STRUCTURE_NOTIFY_MASK
| Event.EXPOSURE_MASK | Event.KEY_PRESS_MASK);
window = new Window(display.default_root, geometry, 0, win_attr);
window.set_wm(this, "main");
window.set_wm_delete_window();
}
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();
}
