118 lines
3.3 KiB
JavaScript
118 lines
3.3 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported OsdMonitorLabeler */
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const { Clutter, Gio, GObject, Meta, St } = imports.gi;
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const Main = imports.ui.main;
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var OsdMonitorLabel = GObject.registerClass(
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class OsdMonitorLabel extends St.Widget {
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_init(monitor, label) {
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super._init({ x_expand: true, y_expand: true });
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this._monitor = monitor;
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this._box = new St.BoxLayout({
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vertical: true,
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});
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this.add_actor(this._box);
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this._label = new St.Label({
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style_class: 'osd-monitor-label',
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text: label,
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});
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this._box.add(this._label);
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Main.uiGroup.add_child(this);
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Main.uiGroup.set_child_above_sibling(this, null);
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this._position();
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Meta.disable_unredirect_for_display(global.display);
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this.connect('destroy', () => {
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Meta.enable_unredirect_for_display(global.display);
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});
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}
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_position() {
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let workArea = Main.layoutManager.getWorkAreaForMonitor(this._monitor);
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if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
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this._box.x = workArea.x + (workArea.width - this._box.width);
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else
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this._box.x = workArea.x;
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this._box.y = workArea.y;
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}
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});
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var OsdMonitorLabeler = class {
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constructor() {
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this._monitorManager = global.backend.get_monitor_manager();
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this._client = null;
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this._clientWatchId = 0;
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this._osdLabels = [];
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this._monitorLabels = null;
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Main.layoutManager.connect('monitors-changed',
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this._reset.bind(this));
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this._reset();
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}
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_reset() {
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for (let i in this._osdLabels)
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this._osdLabels[i].destroy();
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this._osdLabels = [];
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this._monitorLabels = new Map();
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let monitors = Main.layoutManager.monitors;
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for (let i in monitors)
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this._monitorLabels.set(monitors[i].index, []);
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}
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_trackClient(client) {
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if (this._client)
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return this._client == client;
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this._client = client;
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this._clientWatchId = Gio.bus_watch_name(Gio.BusType.SESSION, client, 0, null,
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(c, name) => {
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this.hide(name);
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});
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return true;
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}
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_untrackClient(client) {
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if (!this._client || this._client != client)
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return false;
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Gio.bus_unwatch_name(this._clientWatchId);
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this._clientWatchId = 0;
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this._client = null;
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return true;
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}
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show(client, params) {
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if (!this._trackClient(client))
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return;
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this._reset();
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for (let connector in params) {
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let monitor = this._monitorManager.get_monitor_for_connector(connector);
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if (monitor == -1)
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continue;
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this._monitorLabels.get(monitor).push(params[connector].deepUnpack());
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}
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for (let [monitor, labels] of this._monitorLabels.entries()) {
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labels.sort();
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this._osdLabels.push(new OsdMonitorLabel(monitor, labels.join(' ')));
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}
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}
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hide(client) {
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if (!this._untrackClient(client))
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return;
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this._reset();
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}
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};
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