// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- const Clutter = imports.gi.Clutter; const Cogl = imports.gi.Cogl; const GLib = imports.gi.GLib; const Gio = imports.gi.Gio; const Gtk = imports.gi.Gtk; const Meta = imports.gi.Meta; const Pango = imports.gi.Pango; const St = imports.gi.St; const Shell = imports.gi.Shell; const Signals = imports.signals; const Lang = imports.lang; const Mainloop = imports.mainloop; const System = imports.system; const History = imports.misc.history; const ExtensionSystem = imports.ui.extensionSystem; const ExtensionUtils = imports.misc.extensionUtils; const ShellEntry = imports.ui.shellEntry; const Tweener = imports.ui.tweener; const Main = imports.ui.main; const JsParse = imports.misc.jsParse; const CHEVRON = '>>> '; /* Imports...feel free to add here as needed */ var commandHeader = 'const Clutter = imports.gi.Clutter; ' + 'const GLib = imports.gi.GLib; ' + 'const GObject = imports.gi.GObject; ' + 'const Gio = imports.gi.Gio; ' + 'const Gtk = imports.gi.Gtk; ' + 'const Mainloop = imports.mainloop; ' + 'const Meta = imports.gi.Meta; ' + 'const Shell = imports.gi.Shell; ' + 'const Tp = imports.gi.TelepathyGLib; ' + 'const Main = imports.ui.main; ' + 'const Lang = imports.lang; ' + 'const Tweener = imports.ui.tweener; ' + /* Utility functions...we should probably be able to use these * in the shell core code too. */ 'const stage = global.stage; ' + /* Special lookingGlass functions */ 'const inspect = Lang.bind(Main.lookingGlass, Main.lookingGlass.inspect); ' + 'const it = Main.lookingGlass.getIt(); ' + 'const r = Lang.bind(Main.lookingGlass, Main.lookingGlass.getResult); '; const HISTORY_KEY = 'looking-glass-history'; // Time between tabs for them to count as a double-tab event const AUTO_COMPLETE_DOUBLE_TAB_DELAY = 500; const AUTO_COMPLETE_SHOW_COMPLETION_ANIMATION_DURATION = 0.2; const AUTO_COMPLETE_GLOBAL_KEYWORDS = _getAutoCompleteGlobalKeywords(); function _getAutoCompleteGlobalKeywords() { const keywords = ['true', 'false', 'null', 'new']; // Don't add the private properties of window (i.e., ones starting with '_') const windowProperties = Object.getOwnPropertyNames(window).filter(function(a){ return a.charAt(0) != '_' }); const headerProperties = JsParse.getDeclaredConstants(commandHeader); return keywords.concat(windowProperties).concat(headerProperties); } const AutoComplete = new Lang.Class({ Name: 'AutoComplete', _init: function(entry) { this._entry = entry; this._entry.connect('key-press-event', Lang.bind(this, this._entryKeyPressEvent)); this._lastTabTime = global.get_current_time(); }, _processCompletionRequest: function(event) { if (event.completions.length == 0) { return; } // Unique match = go ahead and complete; multiple matches + single tab = complete the common starting string; // multiple matches + double tab = emit a suggest event with all possible options if (event.completions.length == 1) { this.additionalCompletionText(event.completions[0], event.attrHead); this.emit('completion', { completion: event.completions[0], type: 'whole-word' }); } else if (event.completions.length > 1 && event.tabType === 'single') { let commonPrefix = JsParse.getCommonPrefix(event.completions); if (commonPrefix.length > 0) { this.additionalCompletionText(commonPrefix, event.attrHead); this.emit('completion', { completion: commonPrefix, type: 'prefix' }); this.emit('suggest', { completions: event.completions}); } } else if (event.completions.length > 1 && event.tabType === 'double') { this.emit('suggest', { completions: event.completions}); } }, _entryKeyPressEvent: function(actor, event) { let cursorPos = this._entry.clutter_text.get_cursor_position(); let text = this._entry.get_text(); if (cursorPos != -1) { text = text.slice(0, cursorPos); } if (event.get_key_symbol() == Clutter.Tab) { let [completions, attrHead] = JsParse.getCompletions(text, commandHeader, AUTO_COMPLETE_GLOBAL_KEYWORDS); let currTime = global.get_current_time(); if ((currTime - this._lastTabTime) < AUTO_COMPLETE_DOUBLE_TAB_DELAY) { this._processCompletionRequest({ tabType: 'double', completions: completions, attrHead: attrHead }); } else { this._processCompletionRequest({ tabType: 'single', completions: completions, attrHead: attrHead }); } this._lastTabTime = currTime; } return Clutter.EVENT_PROPAGATE; }, // Insert characters of text not already included in head at cursor position. i.e., if text="abc" and head="a", // the string "bc" will be appended to this._entry additionalCompletionText: function(text, head) { let additionalCompletionText = text.slice(head.length); let cursorPos = this._entry.clutter_text.get_cursor_position(); this._entry.clutter_text.insert_text(additionalCompletionText, cursorPos); } }); Signals.addSignalMethods(AutoComplete.prototype); const Notebook = new Lang.Class({ Name: 'Notebook', _init: function() { this.actor = new St.BoxLayout({ vertical: true }); this.tabControls = new St.BoxLayout({ style_class: 'labels' }); this._selectedIndex = -1; this._tabs = []; }, appendPage: function(name, child) { let labelBox = new St.BoxLayout({ style_class: 'notebook-tab', reactive: true, track_hover: true }); let label = new St.Button({ label: name }); label.connect('clicked', Lang.bind(this, function () { this.selectChild(child); return true; })); labelBox.add(label, { expand: true }); this.tabControls.add(labelBox); let scrollview = new St.ScrollView({ x_fill: true, y_fill: true }); scrollview.get_hscroll_bar().hide(); scrollview.add_actor(child); let tabData = { child: child, labelBox: labelBox, label: label, scrollView: scrollview, _scrollToBottom: false }; this._tabs.push(tabData); scrollview.hide(); this.actor.add(scrollview, { expand: true }); let vAdjust = scrollview.vscroll.adjustment; vAdjust.connect('changed', Lang.bind(this, function () { this._onAdjustScopeChanged(tabData); })); vAdjust.connect('notify::value', Lang.bind(this, function() { this._onAdjustValueChanged(tabData); })); if (this._selectedIndex == -1) this.selectIndex(0); }, _unselect: function() { if (this._selectedIndex < 0) return; let tabData = this._tabs[this._selectedIndex]; tabData.labelBox.remove_style_pseudo_class('selected'); tabData.scrollView.hide(); this._selectedIndex = -1; }, selectIndex: function(index) { if (index == this._selectedIndex) return; if (index < 0) { this._unselect(); this.emit('selection', null); return; } // Focus the new tab before unmapping the old one let tabData = this._tabs[index]; if (!tabData.scrollView.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false)) this.actor.grab_key_focus(); this._unselect(); tabData.labelBox.add_style_pseudo_class('selected'); tabData.scrollView.show(); this._selectedIndex = index; this.emit('selection', tabData.child); }, selectChild: function(child) { if (child == null) this.selectIndex(-1); else { for (let i = 0; i < this._tabs.length; i++) { let tabData = this._tabs[i]; if (tabData.child == child) { this.selectIndex(i); return; } } } }, scrollToBottom: function(index) { let tabData = this._tabs[index]; tabData._scrollToBottom = true; }, _onAdjustValueChanged: function (tabData) { let vAdjust = tabData.scrollView.vscroll.adjustment; if (vAdjust.value < (vAdjust.upper - vAdjust.lower - 0.5)) tabData._scrolltoBottom = false; }, _onAdjustScopeChanged: function (tabData) { if (!tabData._scrollToBottom) return; let vAdjust = tabData.scrollView.vscroll.adjustment; vAdjust.value = vAdjust.upper - vAdjust.page_size; }, nextTab: function() { let nextIndex = this._selectedIndex; if (nextIndex < this._tabs.length - 1) { ++nextIndex; } this.selectIndex(nextIndex); }, prevTab: function() { let prevIndex = this._selectedIndex; if (prevIndex > 0) { --prevIndex; } this.selectIndex(prevIndex); } }); Signals.addSignalMethods(Notebook.prototype); function objectToString(o) { if (typeof(o) == typeof(objectToString)) { // special case this since the default is way, way too verbose return '<js function>'; } else { return '' + o; } } const ObjLink = new Lang.Class({ Name: 'ObjLink', _init: function(lookingGlass, o, title) { let text; if (title) text = title; else text = objectToString(o); text = GLib.markup_escape_text(text, -1); this._obj = o; this.actor = new St.Button({ reactive: true, track_hover: true, style_class: 'shell-link', label: text }); this.actor.get_child().single_line_mode = true; this.actor.connect('clicked', Lang.bind(this, this._onClicked)); this._lookingGlass = lookingGlass; }, _onClicked: function (link) { this._lookingGlass.inspectObject(this._obj, this.actor); } }); const Result = new Lang.Class({ Name: 'Result', _init: function(lookingGlass, command, o, index) { this.index = index; this.o = o; this.actor = new St.BoxLayout({ vertical: true }); this._lookingGlass = lookingGlass; let cmdTxt = new St.Label({ text: command }); cmdTxt.clutter_text.ellipsize = Pango.EllipsizeMode.END; this.actor.add(cmdTxt); let box = new St.BoxLayout({}); this.actor.add(box); let resultTxt = new St.Label({ text: 'r(' + index + ') = ' }); resultTxt.clutter_text.ellipsize = Pango.EllipsizeMode.END; box.add(resultTxt); let objLink = new ObjLink(this._lookingGlass, o); box.add(objLink.actor); } }); const WindowList = new Lang.Class({ Name: 'WindowList', _init: function(lookingGlass) { this.actor = new St.BoxLayout({ name: 'Windows', vertical: true, style: 'spacing: 8px' }); let tracker = Shell.WindowTracker.get_default(); this._updateId = Main.initializeDeferredWork(this.actor, Lang.bind(this, this._updateWindowList)); global.display.connect('window-created', Lang.bind(this, this._updateWindowList)); tracker.connect('tracked-windows-changed', Lang.bind(this, this._updateWindowList)); this._lookingGlass = lookingGlass; }, _updateWindowList: function() { this.actor.destroy_all_children(); let windows = global.get_window_actors(); let tracker = Shell.WindowTracker.get_default(); for (let i = 0; i < windows.length; i++) { let metaWindow = windows[i].metaWindow; // Avoid multiple connections if (!metaWindow._lookingGlassManaged) { metaWindow.connect('unmanaged', Lang.bind(this, this._updateWindowList)); metaWindow._lookingGlassManaged = true; } let box = new St.BoxLayout({ vertical: true }); this.actor.add(box); let windowLink = new ObjLink(this._lookingGlass, metaWindow, metaWindow.title); box.add(windowLink.actor, { x_align: St.Align.START, x_fill: false }); let propsBox = new St.BoxLayout({ vertical: true, style: 'padding-left: 6px;' }); box.add(propsBox); propsBox.add(new St.Label({ text: 'wmclass: ' + metaWindow.get_wm_class() })); let app = tracker.get_window_app(metaWindow); if (app != null && !app.is_window_backed()) { let icon = app.create_icon_texture(22); let propBox = new St.BoxLayout({ style: 'spacing: 6px; ' }); propsBox.add(propBox); propBox.add(new St.Label({ text: 'app: ' }), { y_fill: false }); let appLink = new ObjLink(this._lookingGlass, app, app.get_id()); propBox.add(appLink.actor, { y_fill: false }); propBox.add(icon, { y_fill: false }); } else { propsBox.add(new St.Label({ text: '<untracked>' })); } } } }); Signals.addSignalMethods(WindowList.prototype); const ObjInspector = new Lang.Class({ Name: 'ObjInspector', _init: function(lookingGlass) { this._obj = null; this._previousObj = null; this._parentList = []; this.actor = new St.ScrollView({ pivot_point: new Clutter.Point({ x: 0.5, y: 0.5 }), x_fill: true, y_fill: true }); this.actor.get_hscroll_bar().hide(); this._container = new St.BoxLayout({ name: 'LookingGlassPropertyInspector', style_class: 'lg-dialog', vertical: true }); this.actor.add_actor(this._container); this._lookingGlass = lookingGlass; }, selectObject: function(obj, skipPrevious) { if (!skipPrevious) this._previousObj = this._obj; else this._previousObj = null; this._obj = obj; this._container.destroy_all_children(); let hbox = new St.BoxLayout({ style_class: 'lg-obj-inspector-title' }); this._container.add_actor(hbox); let label = new St.Label({ text: 'Inspecting: %s: %s'.format(typeof(obj), objectToString(obj)) }); label.single_line_mode = true; hbox.add(label, { expand: true, y_fill: false }); let button = new St.Button({ label: 'Insert', style_class: 'lg-obj-inspector-button' }); button.connect('clicked', Lang.bind(this, this._onInsert)); hbox.add(button); if (this._previousObj != null) { button = new St.Button({ label: 'Back', style_class: 'lg-obj-inspector-button' }); button.connect('clicked', Lang.bind(this, this._onBack)); hbox.add(button); } button = new St.Button({ style_class: 'window-close' }); button.connect('clicked', Lang.bind(this, this.close)); hbox.add(button); if (typeof(obj) == typeof({})) { let properties = []; for (let propName in obj) { properties.push(propName); } properties.sort(); for (let i = 0; i < properties.length; i++) { let propName = properties[i]; let valueStr; let link; try { let prop = obj[propName]; link = new ObjLink(this._lookingGlass, prop).actor; } catch (e) { link = new St.Label({ text: '<error>' }); } let hbox = new St.BoxLayout(); let propText = propName + ': ' + valueStr; hbox.add(new St.Label({ text: propName + ': ' })); hbox.add(link); this._container.add_actor(hbox); } } }, open: function(sourceActor) { if (this._open) return; this._previousObj = null; this._open = true; this.actor.show(); if (sourceActor) { this.actor.set_scale(0, 0); Tweener.addTween(this.actor, { scale_x: 1, scale_y: 1, transition: 'easeOutQuad', time: 0.2 }); } else { this.actor.set_scale(1, 1); } }, close: function() { if (!this._open) return; this._open = false; this.actor.hide(); this._previousObj = null; this._obj = null; }, _onInsert: function() { let obj = this._obj; this.close(); this._lookingGlass.insertObject(obj); }, _onBack: function() { this.selectObject(this._previousObj, true); } }); const RedBorderEffect = new Lang.Class({ Name: 'RedBorderEffect', Extends: Clutter.Effect, vfunc_paint: function() { let actor = this.get_actor(); actor.continue_paint(); let color = new Cogl.Color(); color.init_from_4ub(0xff, 0, 0, 0xc4); Cogl.set_source_color(color); let geom = actor.get_allocation_geometry(); let width = 2; // clockwise order Cogl.rectangle(0, 0, geom.width, width); Cogl.rectangle(geom.width - width, width, geom.width, geom.height); Cogl.rectangle(0, geom.height, geom.width - width, geom.height - width); Cogl.rectangle(0, geom.height - width, width, width); }, }); const Inspector = new Lang.Class({ Name: 'Inspector', _init: function(lookingGlass) { let container = new Shell.GenericContainer({ width: 0, height: 0 }); container.connect('allocate', Lang.bind(this, this._allocate)); Main.uiGroup.add_actor(container); let eventHandler = new St.BoxLayout({ name: 'LookingGlassDialog', vertical: false, reactive: true }); this._eventHandler = eventHandler; container.add_actor(eventHandler); this._displayText = new St.Label(); eventHandler.add(this._displayText, { expand: true }); eventHandler.connect('key-press-event', Lang.bind(this, this._onKeyPressEvent)); eventHandler.connect('button-press-event', Lang.bind(this, this._onButtonPressEvent)); eventHandler.connect('scroll-event', Lang.bind(this, this._onScrollEvent)); eventHandler.connect('motion-event', Lang.bind(this, this._onMotionEvent)); Clutter.grab_pointer(eventHandler); Clutter.grab_keyboard(eventHandler); // this._target is the actor currently shown by the inspector. // this._pointerTarget is the actor directly under the pointer. // Normally these are the same, but if you use the scroll wheel // to drill down, they'll diverge until you either scroll back // out, or move the pointer outside of _pointerTarget. this._target = null; this._pointerTarget = null; this._lookingGlass = lookingGlass; }, _allocate: function(actor, box, flags) { if (!this._eventHandler) return; let primary = Main.layoutManager.primaryMonitor; let [minWidth, minHeight, natWidth, natHeight] = this._eventHandler.get_preferred_size(); let childBox = new Clutter.ActorBox(); childBox.x1 = primary.x + Math.floor((primary.width - natWidth) / 2); childBox.x2 = childBox.x1 + natWidth; childBox.y1 = primary.y + Math.floor((primary.height - natHeight) / 2); childBox.y2 = childBox.y1 + natHeight; this._eventHandler.allocate(childBox, flags); }, _close: function() { Clutter.ungrab_pointer(); Clutter.ungrab_keyboard(); this._eventHandler.destroy(); this._eventHandler = null; this.emit('closed'); }, _onKeyPressEvent: function (actor, event) { if (event.get_key_symbol() == Clutter.Escape) this._close(); return Clutter.EVENT_STOP; }, _onButtonPressEvent: function (actor, event) { if (this._target) { let [stageX, stageY] = event.get_coords(); this.emit('target', this._target, stageX, stageY); } this._close(); return Clutter.EVENT_STOP; }, _onScrollEvent: function (actor, event) { switch (event.get_scroll_direction()) { case Clutter.ScrollDirection.UP: // select parent let parent = this._target.get_parent(); if (parent != null) { this._target = parent; this._update(event); } break; case Clutter.ScrollDirection.DOWN: // select child if (this._target != this._pointerTarget) { let child = this._pointerTarget; while (child) { let parent = child.get_parent(); if (parent == this._target) break; child = parent; } if (child) { this._target = child; this._update(event); } } break; default: break; } return Clutter.EVENT_STOP; }, _onMotionEvent: function (actor, event) { this._update(event); return Clutter.EVENT_STOP; }, _update: function(event) { let [stageX, stageY] = event.get_coords(); let target = global.stage.get_actor_at_pos(Clutter.PickMode.ALL, stageX, stageY); if (target != this._pointerTarget) this._target = target; this._pointerTarget = target; let position = '[inspect x: ' + stageX + ' y: ' + stageY + ']'; this._displayText.text = ''; this._displayText.text = position + ' ' + this._target; this._lookingGlass.setBorderPaintTarget(this._target); } }); Signals.addSignalMethods(Inspector.prototype); const Extensions = new Lang.Class({ Name: 'Extensions', _init: function(lookingGlass) { this._lookingGlass = lookingGlass; this.actor = new St.BoxLayout({ vertical: true, name: 'lookingGlassExtensions' }); this._noExtensions = new St.Label({ style_class: 'lg-extensions-none', text: _("No extensions installed") }); this._numExtensions = 0; this._extensionsList = new St.BoxLayout({ vertical: true, style_class: 'lg-extensions-list' }); this._extensionsList.add(this._noExtensions); this.actor.add(this._extensionsList); for (let uuid in ExtensionUtils.extensions) this._loadExtension(null, uuid); ExtensionSystem.connect('extension-loaded', Lang.bind(this, this._loadExtension)); }, _loadExtension: function(o, uuid) { let extension = ExtensionUtils.extensions[uuid]; // There can be cases where we create dummy extension metadata // that's not really a proper extension. Don't bother with these. if (!extension.metadata.name) return; let extensionDisplay = this._createExtensionDisplay(extension); if (this._numExtensions == 0) this._extensionsList.remove_actor(this._noExtensions); this._numExtensions ++; this._extensionsList.add(extensionDisplay); }, _onViewSource: function (actor) { let extension = actor._extension; let uri = extension.dir.get_uri(); Gio.app_info_launch_default_for_uri(uri, global.create_app_launch_context(0, -1)); this._lookingGlass.close(); }, _onWebPage: function (actor) { let extension = actor._extension; Gio.app_info_launch_default_for_uri(extension.metadata.url, global.create_app_launch_context(0, -1)); this._lookingGlass.close(); }, _onViewErrors: function (actor) { let extension = actor._extension; let shouldShow = !actor._isShowing; if (shouldShow) { let errors = extension.errors; let errorDisplay = new St.BoxLayout({ vertical: true }); if (errors && errors.length) { for (let i = 0; i < errors.length; i ++) errorDisplay.add(new St.Label({ text: errors[i] })); } else { /* Translators: argument is an extension UUID. */ let message = _("%s has not emitted any errors.").format(extension.uuid); errorDisplay.add(new St.Label({ text: message })); } actor._errorDisplay = errorDisplay; actor._parentBox.add(errorDisplay); actor.label = _("Hide Errors"); } else { actor._errorDisplay.destroy(); actor._errorDisplay = null; actor.label = _("Show Errors"); } actor._isShowing = shouldShow; }, _stateToString: function(extensionState) { switch (extensionState) { case ExtensionSystem.ExtensionState.ENABLED: return _("Enabled"); case ExtensionSystem.ExtensionState.DISABLED: case ExtensionSystem.ExtensionState.INITIALIZED: return _("Disabled"); case ExtensionSystem.ExtensionState.ERROR: return _("Error"); case ExtensionSystem.ExtensionState.OUT_OF_DATE: return _("Out of date"); case ExtensionSystem.ExtensionState.DOWNLOADING: return _("Downloading"); } return 'Unknown'; // Not translated, shouldn't appear }, _createExtensionDisplay: function(extension) { let box = new St.BoxLayout({ style_class: 'lg-extension', vertical: true }); let name = new St.Label({ style_class: 'lg-extension-name', text: extension.metadata.name }); box.add(name, { expand: true }); let description = new St.Label({ style_class: 'lg-extension-description', text: extension.metadata.description || 'No description' }); box.add(description, { expand: true }); let metaBox = new St.BoxLayout({ style_class: 'lg-extension-meta' }); box.add(metaBox); let stateString = this._stateToString(extension.state); let state = new St.Label({ style_class: 'lg-extension-state', text: this._stateToString(extension.state) }); metaBox.add(state); let viewsource = new St.Button({ reactive: true, track_hover: true, style_class: 'shell-link', label: _("View Source") }); viewsource._extension = extension; viewsource.connect('clicked', Lang.bind(this, this._onViewSource)); metaBox.add(viewsource); if (extension.metadata.url) { let webpage = new St.Button({ reactive: true, track_hover: true, style_class: 'shell-link', label: _("Web Page") }); webpage._extension = extension; webpage.connect('clicked', Lang.bind(this, this._onWebPage)); metaBox.add(webpage); } let viewerrors = new St.Button({ reactive: true, track_hover: true, style_class: 'shell-link', label: _("Show Errors") }); viewerrors._extension = extension; viewerrors._parentBox = box; viewerrors._isShowing = false; viewerrors.connect('clicked', Lang.bind(this, this._onViewErrors)); metaBox.add(viewerrors); return box; } }); const LookingGlass = new Lang.Class({ Name: 'LookingGlass', _init : function() { this._borderPaintTarget = null; this._redBorderEffect = new RedBorderEffect(); this._open = false; this._offset = 0; this._results = []; // Sort of magic, but...eh. this._maxItems = 150; this.actor = new St.BoxLayout({ name: 'LookingGlassDialog', style_class: 'lg-dialog', vertical: true, visible: false, reactive: true }); this.actor.connect('key-press-event', Lang.bind(this, this._globalKeyPressEvent)); this._interfaceSettings = new Gio.Settings({ schema: 'org.gnome.desktop.interface' }); this._interfaceSettings.connect('changed::monospace-font-name', Lang.bind(this, this._updateFont)); this._updateFont(); // We want it to appear to slide out from underneath the panel Main.uiGroup.add_actor(this.actor); Main.uiGroup.set_child_below_sibling(this.actor, Main.layoutManager.panelBox); Main.layoutManager.panelBox.connect('allocation-changed', Lang.bind(this, this._queueResize)); Main.layoutManager.keyboardBox.connect('allocation-changed', Lang.bind(this, this._queueResize)); this._objInspector = new ObjInspector(this); Main.uiGroup.add_actor(this._objInspector.actor); this._objInspector.actor.hide(); let toolbar = new St.BoxLayout({ name: 'Toolbar' }); this.actor.add_actor(toolbar); let inspectIcon = new St.Icon({ icon_name: 'gtk-color-picker', icon_size: 24 }); toolbar.add_actor(inspectIcon); inspectIcon.reactive = true; inspectIcon.connect('button-press-event', Lang.bind(this, function () { let inspector = new Inspector(this); inspector.connect('target', Lang.bind(this, function(i, target, stageX, stageY) { this._pushResult('inspect(' + Math.round(stageX) + ', ' + Math.round(stageY) + ')', target); })); inspector.connect('closed', Lang.bind(this, function() { this.actor.show(); global.stage.set_key_focus(this._entry); })); this.actor.hide(); return Clutter.EVENT_STOP; })); let gcIcon = new St.Icon({ icon_name: 'gnome-fs-trash-full', icon_size: 24 }); toolbar.add_actor(gcIcon); gcIcon.reactive = true; gcIcon.connect('button-press-event', Lang.bind(this, function () { gcIcon.icon_name = 'gnome-fs-trash-empty'; System.gc(); this._timeoutId = Mainloop.timeout_add(500, Lang.bind(this, function () { gcIcon.icon_name = 'gnome-fs-trash-full'; Mainloop.source_remove(this._timeoutId); return GLib.SOURCE_REMOVE; })); return Clutter.EVENT_PROPAGATE; })); let notebook = new Notebook(); this._notebook = notebook; this.actor.add(notebook.actor, { expand: true }); let emptyBox = new St.Bin(); toolbar.add(emptyBox, { expand: true }); toolbar.add_actor(notebook.tabControls); this._evalBox = new St.BoxLayout({ name: 'EvalBox', vertical: true }); notebook.appendPage('Evaluator', this._evalBox); this._resultsArea = new St.BoxLayout({ name: 'ResultsArea', vertical: true }); this._evalBox.add(this._resultsArea, { expand: true }); this._entryArea = new St.BoxLayout({ name: 'EntryArea' }); this._evalBox.add_actor(this._entryArea); let label = new St.Label({ text: CHEVRON }); this._entryArea.add(label); this._entry = new St.Entry({ can_focus: true }); ShellEntry.addContextMenu(this._entry); this._entryArea.add(this._entry, { expand: true }); this._windowList = new WindowList(this); notebook.appendPage('Windows', this._windowList.actor); this._extensions = new Extensions(this); notebook.appendPage('Extensions', this._extensions.actor); this._entry.clutter_text.connect('activate', Lang.bind(this, function (o, e) { // Hide any completions we are currently showing this._hideCompletions(); let text = o.get_text(); // Ensure we don't get newlines in the command; the history file is // newline-separated. text = text.replace('\n', ' '); // Strip leading and trailing whitespace text = text.replace(/^\s+/g, '').replace(/\s+$/g, ''); if (text == '') return true; this._evaluate(text); return true; })); this._history = new History.HistoryManager({ gsettingsKey: HISTORY_KEY, entry: this._entry.clutter_text }); this._autoComplete = new AutoComplete(this._entry); this._autoComplete.connect('suggest', Lang.bind(this, function(a,e) { this._showCompletions(e.completions); })); // If a completion is completed unambiguously, the currently-displayed completion // suggestions become irrelevant. this._autoComplete.connect('completion', Lang.bind(this, function(a,e) { if (e.type == 'whole-word') this._hideCompletions(); })); this._resize(); }, _updateFont: function() { let fontName = this._interfaceSettings.get_string('monospace-font-name'); let fontDesc = Pango.FontDescription.from_string(fontName); // We ignore everything but size and style; you'd be crazy to set your system-wide // monospace font to be bold/oblique/etc. Could easily be added here. this.actor.style = 'font-size: ' + fontDesc.get_size() / 1024. + (fontDesc.get_size_is_absolute() ? 'px' : 'pt') + ';' + 'font-family: "' + fontDesc.get_family() + '";'; }, setBorderPaintTarget: function(obj) { if (this._borderPaintTarget != null) this._borderPaintTarget.remove_effect(this._redBorderEffect); this._borderPaintTarget = obj; if (this._borderPaintTarget != null) this._borderPaintTarget.add_effect(this._redBorderEffect); }, _pushResult: function(command, obj) { let index = this._results.length + this._offset; let result = new Result(this, CHEVRON + command, obj, index); this._results.push(result); this._resultsArea.add(result.actor); if (obj instanceof Clutter.Actor) this.setBorderPaintTarget(obj); let children = this._resultsArea.get_children(); if (children.length > this._maxItems) { this._results.shift(); children[0].destroy(); this._offset++; } this._it = obj; // Scroll to bottom this._notebook.scrollToBottom(0); }, _showCompletions: function(completions) { if (!this._completionActor) { this._completionActor = new St.Label({ name: 'LookingGlassAutoCompletionText', style_class: 'lg-completions-text' }); this._completionActor.clutter_text.ellipsize = Pango.EllipsizeMode.NONE; this._completionActor.clutter_text.line_wrap = true; this._evalBox.insert_child_below(this._completionActor, this._entryArea); } this._completionActor.set_text(completions.join(', ')); // Setting the height to -1 allows us to get its actual preferred height rather than // whatever was last given in set_height by Tweener. this._completionActor.set_height(-1); let [minHeight, naturalHeight] = this._completionActor.get_preferred_height(this._resultsArea.get_width()); // Don't reanimate if we are already visible if (this._completionActor.visible) { this._completionActor.height = naturalHeight; } else { this._completionActor.show(); Tweener.removeTweens(this._completionActor); Tweener.addTween(this._completionActor, { time: AUTO_COMPLETE_SHOW_COMPLETION_ANIMATION_DURATION / St.get_slow_down_factor(), transition: 'easeOutQuad', height: naturalHeight, opacity: 255 }); } }, _hideCompletions: function() { if (this._completionActor) { Tweener.removeTweens(this._completionActor); Tweener.addTween(this._completionActor, { time: AUTO_COMPLETE_SHOW_COMPLETION_ANIMATION_DURATION / St.get_slow_down_factor(), transition: 'easeOutQuad', height: 0, opacity: 0, onComplete: Lang.bind(this, function () { this._completionActor.hide(); }) }); } }, _evaluate : function(command) { this._history.addItem(command); let fullCmd = commandHeader + command; let resultObj; try { resultObj = eval(fullCmd); } catch (e) { resultObj = '<exception ' + e + '>'; } this._pushResult(command, resultObj); this._entry.text = ''; }, inspect: function(x, y) { return global.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE, x, y); }, 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(); }, _queueResize: function() { Meta.later_add(Meta.LaterType.BEFORE_REDRAW, Lang.bind(this, function () { this._resize(); })); }, _resize: function() { let primary = Main.layoutManager.primaryMonitor; let myWidth = primary.width * 0.7; let availableHeight = primary.height - Main.layoutManager.keyboardBox.height; let myHeight = Math.min(primary.height * 0.7, availableHeight * 0.9); this.actor.x = primary.x + (primary.width - myWidth) / 2; this._hiddenY = primary.y + Main.layoutManager.panelBox.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; this._objInspector.actor.set_size(Math.floor(myWidth * 0.8), Math.floor(myHeight * 0.8)); this._objInspector.actor.set_position(this.actor.x + Math.floor(myWidth * 0.1), this._targetY + Math.floor(myHeight * 0.1)); }, insertObject: function(obj) { this._pushResult('<insert>', obj); }, inspectObject: function(obj, sourceActor) { this._objInspector.open(sourceActor); this._objInspector.selectObject(obj); }, // Handle key events which are relevant for all tabs of the LookingGlass _globalKeyPressEvent : function(actor, event) { let symbol = event.get_key_symbol(); let modifierState = event.get_state(); if (symbol == Clutter.Escape) { if (this._objInspector.actor.visible) { this._objInspector.close(); } else { this.close(); } return Clutter.EVENT_STOP; } // Ctrl+PgUp and Ctrl+PgDown switches tabs in the notebook view if (modifierState & Clutter.ModifierType.CONTROL_MASK) { if (symbol == Clutter.KEY_Page_Up) { this._notebook.prevTab(); } else if (symbol == Clutter.KEY_Page_Down) { this._notebook.nextTab(); } } return Clutter.EVENT_PROPAGATE; }, open : function() { if (this._open) return; if (!Main.pushModal(this._entry, { keybindingMode: Shell.KeyBindingMode.LOOKING_GLASS })) return; this._notebook.selectIndex(0); this.actor.show(); this._open = true; this._history.lastItem(); Tweener.removeTweens(this.actor); // We inverse compensate for the slow-down so you can change the factor // through LookingGlass without long waits. Tweener.addTween(this.actor, { time: 0.5 / St.get_slow_down_factor(), transition: 'easeOutQuad', y: this._targetY }); }, close : function() { if (!this._open) return; this._objInspector.actor.hide(); this._open = false; Tweener.removeTweens(this.actor); this.setBorderPaintTarget(null); Main.popModal(this._entry); Tweener.addTween(this.actor, { time: Math.min(0.5 / St.get_slow_down_factor(), 0.5), transition: 'easeOutQuad', y: this._hiddenY, onComplete: Lang.bind(this, function () { this.actor.hide(); }) }); } }); Signals.addSignalMethods(LookingGlass.prototype);