-
-
Notifications
You must be signed in to change notification settings - Fork 76
/
BackgroundContainer.vala
67 lines (54 loc) · 2.18 KB
/
BackgroundContainer.vala
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
//
// Copyright (C) 2013 Tom Beckmann, Rico Tzschichholz
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
namespace Gala {
public class BackgroundContainer : Meta.BackgroundGroup {
public signal void changed ();
public signal void show_background_menu (int x, int y);
public Meta.Display display { get; construct; }
public BackgroundContainer (Meta.Display display) {
Object (display: display);
}
construct {
Meta.MonitorManager.@get ().monitors_changed.connect (update);
reactive = true;
button_release_event.connect ((event) => {
if (event.button == Clutter.Button.SECONDARY) {
show_background_menu ((int)event.x, (int)event.y);
}
});
update ();
}
~BackgroundContainer () {
Meta.MonitorManager.@get ().monitors_changed.disconnect (update);
}
private void update () {
var reference_child = (get_child_at_index (0) as BackgroundManager);
if (reference_child != null)
reference_child.changed.disconnect (background_changed);
destroy_all_children ();
for (var i = 0; i < display.get_n_monitors (); i++) {
var background = new BackgroundManager (display, i);
add_child (background);
if (i == 0)
background.changed.connect (background_changed);
}
}
private void background_changed () {
changed ();
}
}
}