LayoutManager: add a ClutterConstraint for tracking monitor sizes
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
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@ -1,6 +1,7 @@
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const GObject = imports.gi.GObject;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Meta = imports.gi.Meta;
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@ -17,6 +18,79 @@ const HOT_CORNER_ACTIVATION_TIMEOUT = 0.5;
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const STARTUP_ANIMATION_TIME = 0.2;
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const KEYBOARD_ANIMATION_TIME = 0.5;
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const MonitorConstraint = new Lang.Class({
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Name: 'MonitorConstraint',
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Extends: Clutter.Constraint,
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Properties: {'primary': GObject.ParamSpec.boolean('primary',
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'Primary', 'Track primary monitor',
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GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
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false),
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'index': GObject.ParamSpec.int('index',
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'Monitor index', 'Track specific monitor',
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GObject.ParamFlags.READABLE | GObject.ParamFlags.WRITABLE,
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-1, 64, -1)},
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_init: function(props) {
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this._primary = false;
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this._index = -1;
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this.parent(props);
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},
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get primary() {
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return this._primary;
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},
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set primary(v) {
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this._primary = v;
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if (this.actor)
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this.actor.queue_relayout();
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this.notify('primary');
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},
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get index() {
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return this._index;
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},
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set index(v) {
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this._index = v;
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if (this.actor)
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this.actor.queue_relayout();
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this.notify('index');
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},
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vfunc_set_actor: function(actor) {
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if (actor) {
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if (!this._monitorsChangedId) {
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this._monitorsChangedId = Main.layoutManager.connect('monitors-changed', Lang.bind(this, function() {
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this.actor.queue_relayout();
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}));
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}
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} else {
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if (this._monitorsChangedId)
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Main.layoutManager.disconnect(this._monitorsChangedId);
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this._monitorsChangedId = 0;
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}
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this.parent(actor);
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},
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vfunc_update_allocation: function(actor, actorBox) {
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if (!this._primary && this._index < 0)
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return;
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let monitor;
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if (this._primary) {
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monitor = Main.layoutManager.primaryMonitor;
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} else {
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let index = Math.max(this._index, Main.layoutManager.monitors.length);
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monitor = Main.layoutManager.monitors[index];
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}
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actorBox.init_rect(monitor.x, monitor.y, monitor.width, monitor.height);
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}
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});
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const LayoutManager = new Lang.Class({
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Name: 'LayoutManager',
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