public void when_button_press(ButtonPress evt)
{
/* Because we are doing grabbing on root window, we should not check
* <code>event.window()</code> since it always Equals to
* {@link #root}. Instead, check <code>event.child()</code>.
*/
bool control_down = (evt.state () & gnu.x11.Input.CONTROL_MASK) != 0;
bool meta_down = (evt.state () & gnu.x11.Input.META_MASK) != 0;
bool on_root = evt.child_id () == 0;
if (meta_down && on_root) { // `lanuch-on-root'
Process.Start (pref.launch_on_root ());
return;
}
if (!meta_down && on_root) { // `pointer-root-focus'
root.set_input_focus ();
return;
}
Client client = (Client) Client.intern (display, evt.child_id ());
if (client.early_unmapped || client.early_destroyed) return;
if (!control_down) return;
int button = evt.detail ();
switch (button) {
case gnu.x11.Input.BUTTON1:
if (meta_down) // `delete-window'
client.delete ();
else { // `focus-with-raise'
// same as set_focus ()
client.raise ();
focus = client;
focus.set_input_focus ();
update_client_order (focus);
}
break;
case gnu.x11.Input.BUTTON2: // `focus-without-raise'
focus = client;
focus.set_input_focus ();
update_client_order (focus);
break;
case gnu.x11.Input.BUTTON3:
if (meta_down) client.kill (); // `kill-window'
else { // `lower-behind'
// give focus to some other window (under pointer)
client.lower ();
focus = (Client) Client.intern (root.pointer ().child ());
focus.set_input_focus ();
update_client_order (focus); // != client
}
break;
}
}
