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LayoutManager: add a ClutterConstraint for tracking monitor sizes

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Instead of connecting manually to LayoutManager, or using ShellGenericContainer,
make a ClutterConstraint subclass that can track automatically
a specific monitor index, or the primary monitor.

https://bugzilla.gnome.org/show_bug.cgi?id=681743
This commit is contained in:
Giovanni Campagna 2012-08-14 15:37:12 +02:00
parent 1dbbb4f91c
commit 3e94f6bc3c
1 changed files with 74 additions and 0 deletions
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74
js/ui/layout.js
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@ -1,6 +1,7 @@
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const GObject = imports.gi.GObject;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Meta = imports.gi.Meta;
@ -17,6 +18,79 @@ const HOT_CORNER_ACTIVATION_TIMEOUT = 0.5;
const STARTUP_ANIMATION_TIME = 0.2;
const KEYBOARD_ANIMATION_TIME = 0.5;
const MonitorConstraint = new Lang.Class({
Name: 'MonitorConstraint',
Extends: Clutter.Constraint,
Properties: {'primary': GObject.ParamSpec.boolean('primary',
'Primary', 'Track primary monitor',
GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
false),
'index': GObject.ParamSpec.int('index',
'Monitor index', 'Track specific monitor',
GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
-1, 64, -1)},
_init: function(props) {
this._primary = false;
this._index = -1;
this.parent(props);
},
get primary() {
return this._primary;
},
set primary(v) {
this._primary = v;
if (this.actor)
this.actor.queue_relayout();
this.notify('primary');
},
get index() {
return this._index;
},
set index(v) {
this._index = v;
if (this.actor)
this.actor.queue_relayout();
this.notify('index');
},
vfunc_set_actor: function(actor) {
if (actor) {
if (!this._monitorsChangedId) {
this._monitorsChangedId = Main.layoutManager.connect('monitors-changed', Lang.bind(this, function() {
this.actor.queue_relayout();
}));
}
} else {
if (this._monitorsChangedId)
Main.layoutManager.disconnect(this._monitorsChangedId);
this._monitorsChangedId = 0;
}
this.parent(actor);
},
vfunc_update_allocation: function(actor, actorBox) {
if (!this._primary && this._index < 0)
return;
let monitor;
if (this._primary) {
monitor = Main.layoutManager.primaryMonitor;
} else {
let index = Math.max(this._index, Main.layoutManager.monitors.length);
monitor = Main.layoutManager.monitors[index];
}
actorBox.init_rect(monitor.x, monitor.y, monitor.width, monitor.height);
}
});
const LayoutManager = new Lang.Class({
Name: 'LayoutManager',