gnome-shell/js/ui/lookingGlass.js
Florian Müllner b4c8a00e38 lookingGlass: Remove ugly hack
We don't need to hard-code any magic offsets to hide the top corners
and border, we can just not add them in the first place.
2015-02-14 18:20:28 +01:00

1130 lines
42 KiB
JavaScript

// -*- 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_id: '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';
this._timeoutId = 0;
return GLib.SOURCE_REMOVE;
}));
GLib.Source.set_name_by_id(this._timeoutId, '[gnome-shell] gcIcon.icon_name = \'gnome-fs-trash-full\'');
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;
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, { actionMode: Shell.ActionMode.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);