610 lines
20 KiB
JavaScript
610 lines
20 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported ViewSelector */
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const { Clutter, Gio, GObject, Meta, Shell, St } = imports.gi;
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const Signals = imports.signals;
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const AppDisplay = imports.ui.appDisplay;
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const Main = imports.ui.main;
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const OverviewControls = imports.ui.overviewControls;
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const Params = imports.misc.params;
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const Search = imports.ui.search;
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const ShellEntry = imports.ui.shellEntry;
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const WorkspacesView = imports.ui.workspacesView;
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const EdgeDragAction = imports.ui.edgeDragAction;
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const IconGrid = imports.ui.iconGrid;
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const SHELL_KEYBINDINGS_SCHEMA = 'org.gnome.shell.keybindings';
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var PINCH_GESTURE_THRESHOLD = 0.7;
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var ViewPage = {
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WINDOWS: 1,
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APPS: 2,
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SEARCH: 3,
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};
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var FocusTrap = GObject.registerClass(
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class FocusTrap extends St.Widget {
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vfunc_navigate_focus(from, direction) {
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if (direction == St.DirectionType.TAB_FORWARD ||
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direction == St.DirectionType.TAB_BACKWARD)
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return super.vfunc_navigate_focus(from, direction);
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return false;
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}
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});
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function getTermsForSearchString(searchString) {
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searchString = searchString.replace(/^\s+/g, '').replace(/\s+$/g, '');
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if (searchString == '')
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return [];
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let terms = searchString.split(/\s+/);
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return terms;
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}
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var TouchpadShowOverviewAction = class {
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constructor(actor) {
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actor.connect('captured-event::touchpad', this._handleEvent.bind(this));
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}
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_handleEvent(actor, event) {
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if (event.type() != Clutter.EventType.TOUCHPAD_PINCH)
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return Clutter.EVENT_PROPAGATE;
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if (event.get_touchpad_gesture_finger_count() != 3)
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return Clutter.EVENT_PROPAGATE;
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if (event.get_gesture_phase() == Clutter.TouchpadGesturePhase.END)
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this.emit('activated', event.get_gesture_pinch_scale());
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return Clutter.EVENT_STOP;
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}
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};
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Signals.addSignalMethods(TouchpadShowOverviewAction.prototype);
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var ShowOverviewAction = GObject.registerClass({
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Signals: { 'activated': { param_types: [GObject.TYPE_DOUBLE] } },
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}, class ShowOverviewAction extends Clutter.GestureAction {
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_init() {
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super._init();
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this.set_n_touch_points(3);
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global.display.connect('grab-op-begin', () => {
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this.cancel();
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});
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}
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vfunc_gesture_prepare(_actor) {
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return Main.actionMode == Shell.ActionMode.NORMAL &&
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this.get_n_current_points() == this.get_n_touch_points();
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}
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_getBoundingRect(motion) {
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let minX, minY, maxX, maxY;
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for (let i = 0; i < this.get_n_current_points(); i++) {
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let x, y;
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if (motion == true)
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[x, y] = this.get_motion_coords(i);
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else
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[x, y] = this.get_press_coords(i);
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if (i == 0) {
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minX = maxX = x;
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minY = maxY = y;
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} else {
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minX = Math.min(minX, x);
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minY = Math.min(minY, y);
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maxX = Math.max(maxX, x);
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maxY = Math.max(maxY, y);
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}
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}
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return new Meta.Rectangle({ x: minX,
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y: minY,
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width: maxX - minX,
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height: maxY - minY });
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}
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vfunc_gesture_begin(_actor) {
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this._initialRect = this._getBoundingRect(false);
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return true;
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}
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vfunc_gesture_end(_actor) {
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let rect = this._getBoundingRect(true);
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let oldArea = this._initialRect.width * this._initialRect.height;
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let newArea = rect.width * rect.height;
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let areaDiff = newArea / oldArea;
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this.emit('activated', areaDiff);
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}
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});
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var ViewSelector = GObject.registerClass({
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Signals: {
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'page-changed': {},
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'page-empty': {},
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},
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}, class ViewSelector extends Shell.Stack {
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_init(searchEntry, workspaceAdjustment, showAppsButton) {
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super._init({
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name: 'viewSelector',
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x_expand: true,
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visible: false,
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});
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this._showAppsButton = showAppsButton;
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this._showAppsButton.connect('notify::checked', this._onShowAppsButtonToggled.bind(this));
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this._activePage = null;
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this._searchActive = false;
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this._entry = searchEntry;
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ShellEntry.addContextMenu(this._entry);
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this._text = this._entry.clutter_text;
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this._text.connect('text-changed', this._onTextChanged.bind(this));
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this._text.connect('key-press-event', this._onKeyPress.bind(this));
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this._text.connect('key-focus-in', () => {
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this._searchResults.highlightDefault(true);
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});
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this._text.connect('key-focus-out', () => {
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this._searchResults.highlightDefault(false);
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});
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this._entry.connect('popup-menu', () => {
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if (!this._searchActive)
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return;
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this._entry.menu.close();
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this._searchResults.popupMenuDefault();
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});
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this._entry.connect('notify::mapped', this._onMapped.bind(this));
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global.stage.connect('notify::key-focus', this._onStageKeyFocusChanged.bind(this));
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this._entry.set_primary_icon(new St.Icon({ style_class: 'search-entry-icon',
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icon_name: 'edit-find-symbolic' }));
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this._clearIcon = new St.Icon({ style_class: 'search-entry-icon',
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icon_name: 'edit-clear-symbolic' });
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this._iconClickedId = 0;
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this._capturedEventId = 0;
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this._workspacesDisplay =
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new WorkspacesView.WorkspacesDisplay(workspaceAdjustment);
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this._workspacesPage = this._addPage(this._workspacesDisplay,
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_("Windows"), 'focus-windows-symbolic');
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this.appDisplay = new AppDisplay.AppDisplay();
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this._appsPage = this._addPage(this.appDisplay,
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_("Applications"), 'view-app-grid-symbolic');
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this._searchResults = new Search.SearchResultsView();
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this._searchPage = this._addPage(this._searchResults,
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_("Search"), 'edit-find-symbolic',
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{ a11yFocus: this._entry });
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// Since the entry isn't inside the results container we install this
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// dummy widget as the last results container child so that we can
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// include the entry in the keynav tab path
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this._focusTrap = new FocusTrap({ can_focus: true });
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this._focusTrap.connect('key-focus-in', () => {
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this._entry.grab_key_focus();
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});
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this._searchResults.add_actor(this._focusTrap);
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global.focus_manager.add_group(this._searchResults);
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this._stageKeyPressId = 0;
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Main.overview.connect('showing', () => {
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this._stageKeyPressId = global.stage.connect('key-press-event',
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this._onStageKeyPress.bind(this));
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});
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Main.overview.connect('hiding', () => {
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if (this._stageKeyPressId != 0) {
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global.stage.disconnect(this._stageKeyPressId);
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this._stageKeyPressId = 0;
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}
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});
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Main.overview.connect('shown', () => {
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// If we were animating from the desktop view to the
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// apps page the workspace page was visible, allowing
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// the windows to animate, but now we no longer want to
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// show it given that we are now on the apps page or
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// search page.
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if (this._activePage != this._workspacesPage) {
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this._workspacesPage.opacity = 0;
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this._workspacesPage.hide();
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}
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});
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Main.wm.addKeybinding('toggle-application-view',
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new Gio.Settings({ schema_id: SHELL_KEYBINDINGS_SCHEMA }),
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Meta.KeyBindingFlags.IGNORE_AUTOREPEAT,
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Shell.ActionMode.NORMAL |
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Shell.ActionMode.OVERVIEW,
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this._toggleAppsPage.bind(this));
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Main.wm.addKeybinding('toggle-overview',
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new Gio.Settings({ schema_id: SHELL_KEYBINDINGS_SCHEMA }),
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Meta.KeyBindingFlags.IGNORE_AUTOREPEAT,
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Shell.ActionMode.NORMAL |
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Shell.ActionMode.OVERVIEW,
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Main.overview.toggle.bind(Main.overview));
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let side;
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if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
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side = St.Side.RIGHT;
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else
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side = St.Side.LEFT;
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let gesture = new EdgeDragAction.EdgeDragAction(side,
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Shell.ActionMode.NORMAL);
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gesture.connect('activated', () => {
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if (Main.overview.visible)
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Main.overview.hide();
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else
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this.showApps();
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});
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global.stage.add_action(gesture);
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gesture = new ShowOverviewAction();
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gesture.connect('activated', this._pinchGestureActivated.bind(this));
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global.stage.add_action(gesture);
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gesture = new TouchpadShowOverviewAction(global.stage);
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gesture.connect('activated', this._pinchGestureActivated.bind(this));
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}
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_pinchGestureActivated(action, scale) {
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if (scale < PINCH_GESTURE_THRESHOLD)
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Main.overview.show();
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}
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_toggleAppsPage() {
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this._showAppsButton.checked = !this._showAppsButton.checked;
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Main.overview.show();
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}
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showApps() {
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this._showAppsButton.checked = true;
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Main.overview.show();
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}
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animateToOverview() {
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this.show();
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this.reset();
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this._workspacesDisplay.animateToOverview(this._showAppsButton.checked);
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this._activePage = null;
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if (this._showAppsButton.checked)
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this._showPage(this._appsPage);
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else
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this._showPage(this._workspacesPage);
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if (!this._workspacesDisplay.activeWorkspaceHasMaximizedWindows())
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Main.overview.fadeOutDesktop();
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}
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animateFromOverview() {
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// Make sure workspace page is fully visible to allow
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// workspace.js do the animation of the windows
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this._workspacesPage.opacity = 255;
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this._workspacesDisplay.animateFromOverview(this._activePage != this._workspacesPage);
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this._showAppsButton.checked = false;
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if (!this._workspacesDisplay.activeWorkspaceHasMaximizedWindows())
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Main.overview.fadeInDesktop();
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}
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vfunc_hide() {
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this.reset();
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this._workspacesDisplay.hide();
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super.vfunc_hide();
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}
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_addPage(actor, name, a11yIcon, params) {
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params = Params.parse(params, { a11yFocus: null });
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let page = new St.Bin({ child: actor });
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if (params.a11yFocus) {
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Main.ctrlAltTabManager.addGroup(params.a11yFocus, name, a11yIcon);
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} else {
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Main.ctrlAltTabManager.addGroup(actor, name, a11yIcon, {
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proxy: this,
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focusCallback: () => this._a11yFocusPage(page),
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});
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}
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page.hide();
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this.add_actor(page);
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return page;
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}
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_fadePageIn() {
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this._activePage.ease({
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opacity: 255,
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duration: OverviewControls.SIDE_CONTROLS_ANIMATION_TIME,
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mode: Clutter.AnimationMode.EASE_OUT_QUAD,
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});
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}
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_fadePageOut(page) {
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let oldPage = page;
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page.ease({
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opacity: 0,
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duration: OverviewControls.SIDE_CONTROLS_ANIMATION_TIME,
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mode: Clutter.AnimationMode.EASE_OUT_QUAD,
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onStopped: () => this._animateIn(oldPage),
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});
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}
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_animateIn(oldPage) {
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if (oldPage)
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oldPage.hide();
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this.emit('page-empty');
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this._activePage.show();
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if (this._activePage == this._appsPage && oldPage == this._workspacesPage) {
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// Restore opacity, in case we animated via _fadePageOut
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this._activePage.opacity = 255;
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this.appDisplay.animate(IconGrid.AnimationDirection.IN);
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} else {
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this._fadePageIn();
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}
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}
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_animateOut(page) {
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let oldPage = page;
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if (page == this._appsPage &&
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this._activePage == this._workspacesPage &&
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!Main.overview.animationInProgress) {
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this.appDisplay.animate(IconGrid.AnimationDirection.OUT, () => {
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this._animateIn(oldPage);
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});
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} else {
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this._fadePageOut(page);
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}
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}
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_showPage(page) {
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if (!Main.overview.visible)
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return;
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if (page == this._activePage)
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return;
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let oldPage = this._activePage;
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this._activePage = page;
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this.emit('page-changed');
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if (oldPage)
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this._animateOut(oldPage);
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else
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this._animateIn();
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}
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_a11yFocusPage(page) {
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this._showAppsButton.checked = page == this._appsPage;
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page.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
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}
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_onShowAppsButtonToggled() {
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this._showPage(this._showAppsButton.checked
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? this._appsPage : this._workspacesPage);
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}
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_onStageKeyPress(actor, event) {
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// Ignore events while anything but the overview has
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// pushed a modal (system modals, looking glass, ...)
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if (Main.modalCount > 1)
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return Clutter.EVENT_PROPAGATE;
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let symbol = event.get_key_symbol();
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if (symbol === Clutter.KEY_Escape) {
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if (this._searchActive)
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this.reset();
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else if (this._showAppsButton.checked)
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this._showAppsButton.checked = false;
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else
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Main.overview.hide();
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return Clutter.EVENT_STOP;
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} else if (this._shouldTriggerSearch(symbol)) {
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this.startSearch(event);
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} else if (!this._searchActive && !global.stage.key_focus) {
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if (symbol === Clutter.KEY_Tab || symbol === Clutter.KEY_Down) {
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this._activePage.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
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return Clutter.EVENT_STOP;
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} else if (symbol === Clutter.KEY_ISO_Left_Tab) {
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this._activePage.navigate_focus(null, St.DirectionType.TAB_BACKWARD, false);
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return Clutter.EVENT_STOP;
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}
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}
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return Clutter.EVENT_PROPAGATE;
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}
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_searchCancelled() {
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this._showPage(this._showAppsButton.checked
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? this._appsPage
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: this._workspacesPage);
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// Leave the entry focused when it doesn't have any text;
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// when replacing a selected search term, Clutter emits
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// two 'text-changed' signals, one for deleting the previous
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// text and one for the new one - the second one is handled
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// incorrectly when we remove focus
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// (https://bugzilla.gnome.org/show_bug.cgi?id=636341) */
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if (this._text.text != '')
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this.reset();
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}
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reset() {
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// Don't drop the key focus on Clutter's side if anything but the
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// overview has pushed a modal (e.g. system modals when activated using
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// the overview).
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if (Main.modalCount <= 1)
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global.stage.set_key_focus(null);
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this._entry.text = '';
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this._text.set_cursor_visible(true);
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this._text.set_selection(0, 0);
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}
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_onStageKeyFocusChanged() {
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let focus = global.stage.get_key_focus();
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let appearFocused = this._entry.contains(focus) ||
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this._searchResults.contains(focus);
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this._text.set_cursor_visible(appearFocused);
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if (appearFocused)
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this._entry.add_style_pseudo_class('focus');
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else
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this._entry.remove_style_pseudo_class('focus');
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}
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_onMapped() {
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if (this._entry.mapped) {
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// Enable 'find-as-you-type'
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this._capturedEventId = global.stage.connect('captured-event',
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this._onCapturedEvent.bind(this));
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this._text.set_cursor_visible(true);
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this._text.set_selection(0, 0);
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} else {
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// Disable 'find-as-you-type'
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if (this._capturedEventId > 0)
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global.stage.disconnect(this._capturedEventId);
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this._capturedEventId = 0;
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}
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}
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_shouldTriggerSearch(symbol) {
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if (symbol === Clutter.KEY_Multi_key)
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return true;
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if (symbol === Clutter.KEY_BackSpace && this._searchActive)
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return true;
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let unicode = Clutter.keysym_to_unicode(symbol);
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if (unicode == 0)
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return false;
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if (getTermsForSearchString(String.fromCharCode(unicode)).length > 0)
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return true;
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return false;
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}
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startSearch(event) {
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global.stage.set_key_focus(this._text);
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let synthEvent = event.copy();
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synthEvent.set_source(this._text);
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this._text.event(synthEvent, false);
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}
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// the entry does not show the hint
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_isActivated() {
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return this._text.text == this._entry.get_text();
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}
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_onTextChanged() {
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let terms = getTermsForSearchString(this._entry.get_text());
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this._searchActive = terms.length > 0;
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this._searchResults.setTerms(terms);
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if (this._searchActive) {
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this._showPage(this._searchPage);
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this._entry.set_secondary_icon(this._clearIcon);
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if (this._iconClickedId == 0) {
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this._iconClickedId = this._entry.connect('secondary-icon-clicked',
|
|
this.reset.bind(this));
|
|
}
|
|
} else {
|
|
if (this._iconClickedId > 0) {
|
|
this._entry.disconnect(this._iconClickedId);
|
|
this._iconClickedId = 0;
|
|
}
|
|
|
|
this._entry.set_secondary_icon(null);
|
|
this._searchCancelled();
|
|
}
|
|
}
|
|
|
|
_onKeyPress(entry, event) {
|
|
let symbol = event.get_key_symbol();
|
|
if (symbol === Clutter.KEY_Escape) {
|
|
if (this._isActivated()) {
|
|
this.reset();
|
|
return Clutter.EVENT_STOP;
|
|
}
|
|
} else if (this._searchActive) {
|
|
let arrowNext, nextDirection;
|
|
if (entry.get_text_direction() == Clutter.TextDirection.RTL) {
|
|
arrowNext = Clutter.KEY_Left;
|
|
nextDirection = St.DirectionType.LEFT;
|
|
} else {
|
|
arrowNext = Clutter.KEY_Right;
|
|
nextDirection = St.DirectionType.RIGHT;
|
|
}
|
|
|
|
if (symbol === Clutter.KEY_Tab) {
|
|
this._searchResults.navigateFocus(St.DirectionType.TAB_FORWARD);
|
|
return Clutter.EVENT_STOP;
|
|
} else if (symbol === Clutter.KEY_ISO_Left_Tab) {
|
|
this._focusTrap.can_focus = false;
|
|
this._searchResults.navigateFocus(St.DirectionType.TAB_BACKWARD);
|
|
this._focusTrap.can_focus = true;
|
|
return Clutter.EVENT_STOP;
|
|
} else if (symbol === Clutter.KEY_Down) {
|
|
this._searchResults.navigateFocus(St.DirectionType.DOWN);
|
|
return Clutter.EVENT_STOP;
|
|
} else if (symbol == arrowNext && this._text.position == -1) {
|
|
this._searchResults.navigateFocus(nextDirection);
|
|
return Clutter.EVENT_STOP;
|
|
} else if (symbol === Clutter.KEY_Return || symbol === Clutter.KEY_KP_Enter) {
|
|
this._searchResults.activateDefault();
|
|
return Clutter.EVENT_STOP;
|
|
}
|
|
}
|
|
return Clutter.EVENT_PROPAGATE;
|
|
}
|
|
|
|
_onCapturedEvent(actor, event) {
|
|
if (event.type() == Clutter.EventType.BUTTON_PRESS) {
|
|
let source = event.get_source();
|
|
if (source != this._text &&
|
|
this._text.has_key_focus() &&
|
|
this._text.text == '' &&
|
|
!this._text.has_preedit() &&
|
|
!Main.layoutManager.keyboardBox.contains(source)) {
|
|
// the user clicked outside after activating the entry, but
|
|
// with no search term entered and no keyboard button pressed
|
|
// - cancel the search
|
|
this.reset();
|
|
}
|
|
}
|
|
|
|
return Clutter.EVENT_PROPAGATE;
|
|
}
|
|
|
|
getActivePage() {
|
|
if (this._activePage == this._workspacesPage)
|
|
return ViewPage.WINDOWS;
|
|
else if (this._activePage == this._appsPage)
|
|
return ViewPage.APPS;
|
|
else
|
|
return ViewPage.SEARCH;
|
|
}
|
|
});
|