LookingGlass - JavaScript prompt and interactive Clutter controller
Add a dropdown pane triggered by Alt-F2, "lg" which supports interactive JavaScript evaluation, saving/restoring a history file, as well as an inspector element to pick by using the mouse.
This commit is contained in:
Colin Walters
parent
224538c885
commit
52ae75d4b8
470
js/ui/lookingGlass.js
Normal file
470
js/ui/lookingGlass.js
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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Big = imports.gi.Big;
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const Clutter = imports.gi.Clutter;
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const Gio = imports.gi.Gio;
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const Pango = imports.gi.Pango;
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const Shell = imports.gi.Shell;
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const Signals = imports.signals;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Tweener = imports.ui.tweener;
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const Main = imports.ui.main;
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const LG_BORDER_COLOR = new Clutter.Color();
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LG_BORDER_COLOR.from_pixel(0x0000aca0);
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const LG_BACKGROUND_COLOR = new Clutter.Color();
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LG_BACKGROUND_COLOR.from_pixel(0x000000d5);
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const GREY = new Clutter.Color();
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GREY.from_pixel(0xAFAFAFFF);
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const MATRIX_GREEN = new Clutter.Color();
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MATRIX_GREEN.from_pixel(0x88ff66ff);
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// FIXME pull from GConf
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const MATRIX_FONT = 'Monospace 10';
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/* Imports...feel free to add here as needed */
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var commandHeader = "const Clutter = imports.gi.Clutter; " +
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"const GLib = imports.gi.GLib; " +
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"const Gtk = imports.gi.Gtk; " +
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"const Mainloop = imports.mainloop; " +
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"const Meta = imports.gi.Meta; " +
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"const Shell = imports.gi.Shell; " +
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"const Main = imports.ui.main; " +
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"const Lang = imports.lang; " +
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"const Tweener = imports.ui.tweener; " +
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/* Utility functions...we should probably be able to use these
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* in the shell core code too. */
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"const global = Shell.Global.get(); " +
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"const stage = global.stage; " +
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"const color = function(pixel) { let c= new Clutter.Color(); c.from_pixel(pixel); return c; }; " +
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/* Special lookingGlass functions */
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"const it = Main.lookingGlass.getIt(); " +
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"const r = Lang.bind(Main.lookingGlass, Main.lookingGlass.getResult); ";
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function Result(command, o, index) {
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this._init(command, o, index);
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}
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Result.prototype = {
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_init : function(command, o, index) {
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this.index = index;
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this.o = o;
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this.actor = new Big.Box();
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let cmdTxt = new Clutter.Text({ color: MATRIX_GREEN,
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font_name: MATRIX_FONT,
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ellipsize: Pango.EllipsizeMode.END,
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text: command });
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this.actor.append(cmdTxt, Big.BoxPackFlags.NONE);
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let resultTxt = new Clutter.Text({ color: MATRIX_GREEN,
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font_name: MATRIX_FONT,
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ellipsize: Pango.EllipsizeMode.END,
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text: "r(" + index + ") = " + o });
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this.actor.append(resultTxt, Big.BoxPackFlags.NONE);
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let line = new Big.Box({ opacity: 0, border_color: GREY,
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border_bottom: 1,
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height: 4 });
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this.actor.append(line, Big.BoxPackFlags.NONE);
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}
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}
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function ActorHierarchy() {
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this._init();
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}
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ActorHierarchy.prototype = {
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_init : function () {
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this._previousTarget = null;
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this._target = null;
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this._parentList = [];
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this.actor = new Big.Box({ spacing: 4,
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border: 1,
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padding: 4,
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border_color: GREY });
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},
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setTarget: function(actor) {
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this._previousTarget = this._target;
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this.target = actor;
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this.actor.remove_all();
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/* FIXME - need scrolling here */
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return;
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if (this.target == null)
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return;
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this._parentList = [];
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let parent = actor;
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while ((parent = parent.get_parent()) != null) {
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this._parentList.push(parent);
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let link = new Clutter.Text({ color: MATRIX_GREEN,
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font_name: MATRIX_FONT,
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reactive: true });
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this.actor.append(link, Big.BoxPackFlags.IF_FITS);
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let parentTarget = parent;
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link.connect('button-press-event', Lang.bind(this, function () {
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this._selectByActor(parentTarget);
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}));
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}
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this.emit('selection', actor);
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},
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_selectByActor: function(actor) {
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let idx = this._parentList.indexOf(actor);
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let children = this.actor.get_children();
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let link = children[idx];
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this.emit('selection', actor);
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}
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}
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Signals.addSignalMethods(ActorHierarchy.prototype);
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function PropertyInspector() {
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this._init();
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}
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PropertyInspector.prototype = {
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_init : function () {
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this._target = null;
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this._parentList = [];
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this.actor = new Big.Box({ spacing: 4,
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border: 1,
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padding: 4,
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border_color: GREY });
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},
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setTarget: function(actor) {
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this.target = actor;
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this.actor.remove_all();
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/* FIXME - need scrolling here */
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return;
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for (let propName in actor) {
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let valueStr;
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try {
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valueStr = "" + actor[propName];
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} catch (e) {
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valueStr = '<error>';
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}
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let propText = propName + ": " + valueStr;
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let propDisplay = new Clutter.Text({ color: MATRIX_GREEN,
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font_name: MATRIX_FONT,
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reactive: true,
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text: propText });
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this.actor.append(propDisplay, Big.BoxPackFlags.IF_FITS);
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}
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}
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}
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function LookingGlass() {
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this._init();
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}
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LookingGlass.prototype = {
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_init : function() {
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let global = Shell.Global.get();
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this._idleHistorySaveId = 0;
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let historyPath = Shell.Global.get().configdir + "/lookingglass-history.txt";
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this._historyFile = Gio.file_new_for_path(historyPath);
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this._savedText = null;
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this._historyNavIndex = -1;
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this._history = [];
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this._readHistory();
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this._open = false;
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this._offset = 0;
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this._results = [];
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// TODO replace with scrolling or something better
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this._maxItems = 10;
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this.actor = new Big.Box({ background_color: LG_BACKGROUND_COLOR,
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border: 1,
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border_color: LG_BORDER_COLOR,
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corner_radius: 4,
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padding_top: 8,
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padding_left: 4,
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padding_right: 4,
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padding_bottom: 4,
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spacing: 4,
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visible: false
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});
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global.stage.add_actor(this.actor);
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let toolbar = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
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border: 1, border_color: GREY,
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corner_radius: 4 });
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this.actor.append(toolbar, Big.BoxPackFlags.NONE);
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let inspectIcon = Shell.TextureCache.get_default().load_gicon(new Gio.ThemedIcon({ name: 'gtk-color-picker' }),
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24);
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toolbar.append(inspectIcon, Big.BoxPackFlags.NONE);
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inspectIcon.reactive = true;
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inspectIcon.connect('button-press-event', Lang.bind(this, function () {
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let global = Shell.Global.get();
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let width = 150;
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let eventHandler = new Big.Box({ background_color: LG_BACKGROUND_COLOR,
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border: 1,
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border_color: LG_BORDER_COLOR,
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corner_radius: 4,
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y: global.stage.height/2,
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reactive: true
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});
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eventHandler.connect('notify::allocation', Lang.bind(this, function () {
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eventHandler.x = Math.floor((global.stage.width)/2 - (eventHandler.width)/2);
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}));
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global.stage.add_actor(eventHandler);
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let displayText = new Clutter.Text({ color: MATRIX_GREEN,
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font_name: MATRIX_FONT, text: '' });
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eventHandler.append(displayText, Big.BoxPackFlags.EXPAND);
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eventHandler.connect('button-press-event', Lang.bind(this, function (actor, event) {
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let global = Shell.Global.get();
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Clutter.ungrab_pointer(eventHandler);
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let [stageX, stageY] = event.get_coords();
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let target = global.stage.get_actor_at_pos(Clutter.PickMode.ALL,
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stageX,
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stageY);
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this._pushResult('<inspect x:' + stageX + ' y:' + stageY + '>',
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target);
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this._hierarchy.setTarget(target);
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eventHandler.destroy();
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this.actor.show();
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let global = Shell.Global.get();
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global.stage.set_key_focus(this._entry);
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return true;
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}));
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eventHandler.connect('motion-event', Lang.bind(this, function (actor, event) {
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let global = Shell.Global.get();
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let [stageX, stageY] = event.get_coords();
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let target = global.stage.get_actor_at_pos(Clutter.PickMode.ALL,
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stageX,
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stageY);
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displayText.text = '<inspect x: ' + stageX + ' y: ' + stageY + '> ' + target;
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return true;
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}));
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Clutter.grab_pointer(eventHandler);
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this.actor.hide();
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return true;
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}));
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this._mainContent = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL,
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spacing: 4 });
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this.actor.append(this._mainContent, Big.BoxPackFlags.EXPAND);
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this._resultsArea = new Big.Box({ orientation: Big.BoxOrientation.VERTICAL,
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spacing: 0 });
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this._mainContent.append(this._resultsArea, Big.BoxPackFlags.EXPAND);
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let entryArea = new Big.Box({ orientation: Big.BoxOrientation.HORIZONTAL });
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let label = new Clutter.Text({ color: MATRIX_GREEN,
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font_name: MATRIX_FONT,
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text: 'js>>> ' });
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entryArea.append(label, Big.BoxPackFlags.NONE);
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this._entry = new Clutter.Text({ color: MATRIX_GREEN,
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font_name: MATRIX_FONT,
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editable: true,
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activatable: true,
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singleLineMode: true,
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text: ''});
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entryArea.append(this._entry, Big.BoxPackFlags.EXPAND);
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this.actor.append(entryArea, Big.BoxPackFlags.NONE);
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let inspectionBox = new Big.Box({ spacing: 4 });
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this._mainContent.append(inspectionBox, Big.BoxPackFlags.NONE);
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this._hierarchy = new ActorHierarchy();
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inspectionBox.append(this._hierarchy.actor, Big.BoxPackFlags.EXPAND);
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this._propInspector = new PropertyInspector();
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inspectionBox.append(this._propInspector.actor, Big.BoxPackFlags.EXPAND);
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this._hierarchy.connect('selected', Lang.bind(this, function (h, actor) {
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this._propInspector.setTarget(actor);
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}));
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this._entry.connect('activate', Lang.bind(this, function (o, e) {
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let text = o.get_text();
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// Ensure we don't get newlines in the command; the history file is
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// newline-separated.
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text.replace('\n', ' ');
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this._evaluate(text);
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this._historyNavIndex = -1;
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return true;
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}));
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this._entry.connect('key-press-event', Lang.bind(this, function(o, e) {
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let symbol = Shell.get_event_key_symbol(e);
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if (symbol == Clutter.Escape) {
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this.close();
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return true;
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} else if (symbol == Clutter.Up) {
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if (this._historyNavIndex >= this._history.length - 1)
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return true;
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this._historyNavIndex++;
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if (this._historyNavIndex == 0)
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this._savedText = this._entry.text;
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this._entry.text = this._history[this._history.length - this._historyNavIndex - 1];
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return true;
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} else if (symbol == Clutter.Down) {
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if (this._historyNavIndex <= 0)
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return true;
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this._historyNavIndex--;
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if (this._historyNavIndex < 0)
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this._entry.text = this._savedText;
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else
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this._entry.text = this._history[this._history.length - this._historyNavIndex - 1];
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return true;
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} else {
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this._historyNavIndex = -1;
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this._savedText = null;
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return false;
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}
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}));
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},
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_readHistory: function () {
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if (!this._historyFile.query_exists(null))
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return;
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let [result, contents, length, etag] = this._historyFile.load_contents(null);
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this._history = contents.split('\n');
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},
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_queueHistorySave: function() {
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if (this._idleHistorySaveId > 0)
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return;
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this._idleHistorySaveId = Mainloop.timeout_add_seconds(30, Lang.bind(this, this._doSaveHistory));
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},
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_doSaveHistory: function () {
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this._idleHistorySaveId = false;
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let output = this._historyFile.replace(null, true, Gio.FileCreateFlags.NONE, null);
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let dataOut = new Gio.DataOutputStream({ base_stream: output });
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dataOut.put_string(this._history.join('\n'), null);
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dataOut.put_string('\n', null);
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dataOut.close(null);
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return false;
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},
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_pushResult: function(command, obj) {
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let index = this._results.length + this._offset;
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let result = new Result('>>> ' + command, obj, index);
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this._results.push(result);
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this._resultsArea.append(result.actor, Big.BoxPackFlags.NONE);
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this._propInspector.setTarget(obj);
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let children = this._resultsArea.get_children();
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if (children.length > this._maxItems) {
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this._results.shift();
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children[0].destroy();
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this._offset++;
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}
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this._it = obj;
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},
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_evaluate : function(command) {
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this._history.push(command);
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this._queueHistorySave();
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let fullCmd = commandHeader + command;
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||||||
|
let resultObj;
|
||||||
|
try {
|
||||||
|
resultObj = eval(fullCmd);
|
||||||
|
} catch (e) {
|
||||||
|
resultObj = "<exception " + e + ">";
|
||||||
|
}
|
||||||
|
|
||||||
|
this._pushResult(command, resultObj);
|
||||||
|
this._hierarchy.setTarget(null);
|
||||||
|
this._entry.text = '';
|
||||||
|
},
|
||||||
|
|
||||||
|
getIt: function () {
|
||||||
|
return this._it;
|
||||||
|
},
|
||||||
|
|
||||||
|
getResult: function(idx) {
|
||||||
|
return this._results[idx - this._offset].o;
|
||||||
|
},
|
||||||
|
|
||||||
|
toggle: function() {
|
||||||
|
if (this._open)
|
||||||
|
this.close();
|
||||||
|
else
|
||||||
|
this.open();
|
||||||
|
},
|
||||||
|
|
||||||
|
_resizeTo: function(actor) {
|
||||||
|
let stage = Shell.Global.get().stage;
|
||||||
|
let stageWidth = stage.width;
|
||||||
|
let myWidth = stage.width * 0.7;
|
||||||
|
let myHeight = stage.height * 0.7;
|
||||||
|
let [srcX, srcY] = actor.get_transformed_position();
|
||||||
|
this.actor.x = srcX + (stage.width-myWidth)/2;
|
||||||
|
this._hiddenY = srcY + actor.height - myHeight - 4; // -4 to hide the top corners
|
||||||
|
this._targetY = this._hiddenY + myHeight;
|
||||||
|
this.actor.y = this._hiddenY;
|
||||||
|
this.actor.width = myWidth;
|
||||||
|
this.actor.height = myHeight;
|
||||||
|
},
|
||||||
|
|
||||||
|
slaveTo: function(actor) {
|
||||||
|
this._slaveTo = actor;
|
||||||
|
actor.connect('notify::allocation', Lang.bind(this, function () {
|
||||||
|
this._resizeTo(actor);
|
||||||
|
}));
|
||||||
|
this._resizeTo(actor);
|
||||||
|
},
|
||||||
|
|
||||||
|
open : function() {
|
||||||
|
if (this._open)
|
||||||
|
return;
|
||||||
|
|
||||||
|
this.actor.show();
|
||||||
|
this.actor.lower(Main.chrome.actor);
|
||||||
|
this._open = true;
|
||||||
|
|
||||||
|
Tweener.removeTweens(this.actor);
|
||||||
|
|
||||||
|
if (!Main.startModal())
|
||||||
|
return;
|
||||||
|
|
||||||
|
let global = Shell.Global.get();
|
||||||
|
global.stage.set_key_focus(this._entry);
|
||||||
|
|
||||||
|
Tweener.addTween(this.actor, { time: 0.5,
|
||||||
|
transition: "easeOutQuad",
|
||||||
|
y: this._targetY
|
||||||
|
});
|
||||||
|
},
|
||||||
|
|
||||||
|
close : function() {
|
||||||
|
if (!this._open)
|
||||||
|
return;
|
||||||
|
|
||||||
|
this._historyNavIndex = -1;
|
||||||
|
this._open = false;
|
||||||
|
Tweener.removeTweens(this.actor);
|
||||||
|
|
||||||
|
Main.endModal();
|
||||||
|
|
||||||
|
Tweener.addTween(this.actor, { time: 0.5,
|
||||||
|
transition: "easeOutQuad",
|
||||||
|
y: this._hiddenY,
|
||||||
|
onComplete: Lang.bind(this, function () {
|
||||||
|
this.actor.hide();
|
||||||
|
})
|
||||||
|
});
|
||||||
|
}
|
||||||
|
};
|
||||||
|
Signals.addSignalMethods(LookingGlass.prototype);
|
||||||
@ -13,6 +13,7 @@ const Chrome = imports.ui.chrome;
|
|||||||
const Overlay = imports.ui.overlay;
|
const Overlay = imports.ui.overlay;
|
||||||
const Panel = imports.ui.panel;
|
const Panel = imports.ui.panel;
|
||||||
const RunDialog = imports.ui.runDialog;
|
const RunDialog = imports.ui.runDialog;
|
||||||
|
const LookingGlass = imports.ui.lookingGlass;
|
||||||
const Sidebar = imports.ui.sidebar;
|
const Sidebar = imports.ui.sidebar;
|
||||||
const Tweener = imports.ui.tweener;
|
const Tweener = imports.ui.tweener;
|
||||||
const WindowManager = imports.ui.windowManager;
|
const WindowManager = imports.ui.windowManager;
|
||||||
@ -25,6 +26,7 @@ let panel = null;
|
|||||||
let sidebar = null;
|
let sidebar = null;
|
||||||
let overlay = null;
|
let overlay = null;
|
||||||
let runDialog = null;
|
let runDialog = null;
|
||||||
|
let lookingGlass = null;
|
||||||
let wm = null;
|
let wm = null;
|
||||||
let recorder = null;
|
let recorder = null;
|
||||||
let inModal = false;
|
let inModal = false;
|
||||||
@ -142,6 +144,14 @@ function endModal() {
|
|||||||
inModal = false;
|
inModal = false;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
function createLookingGlass() {
|
||||||
|
if (lookingGlass == null) {
|
||||||
|
lookingGlass = new LookingGlass.LookingGlass();
|
||||||
|
lookingGlass.slaveTo(panel.actor);
|
||||||
|
}
|
||||||
|
return lookingGlass;
|
||||||
|
}
|
||||||
|
|
||||||
function createAppLaunchContext() {
|
function createAppLaunchContext() {
|
||||||
let global = Shell.Global.get();
|
let global = Shell.Global.get();
|
||||||
let screen = global.screen;
|
let screen = global.screen;
|
||||||
|
|||||||
@ -31,7 +31,12 @@ RunDialog.prototype = {
|
|||||||
|
|
||||||
this._isOpen = false;
|
this._isOpen = false;
|
||||||
|
|
||||||
this._internalCommands = { 'restart': Lang.bind(this, function() {
|
this._internalCommands = { 'lg':
|
||||||
|
Lang.bind(this, function() {
|
||||||
|
Mainloop.idle_add(function() { Main.createLookingGlass().open(); });
|
||||||
|
}),
|
||||||
|
|
||||||
|
'restart': Lang.bind(this, function() {
|
||||||
let global = Shell.Global.get();
|
let global = Shell.Global.get();
|
||||||
global.reexec_self();
|
global.reexec_self();
|
||||||
})
|
})
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user