66cdbc5cad
Account for the search entry space at the bottom (the former message tray clone) individually in each side control, instead of packing another actor in the overview. This allows us to extend the central view all the way to the bottom, while still keeping controls centered vertically. https://bugzilla.gnome.org/show_bug.cgi?id=693987
673 lines
23 KiB
JavaScript
673 lines
23 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Gtk = imports.gi.Gtk;
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const Meta = imports.gi.Meta;
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const Mainloop = imports.mainloop;
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const Signals = imports.signals;
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const Lang = imports.lang;
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const St = imports.gi.St;
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const Shell = imports.gi.Shell;
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const Gdk = imports.gi.Gdk;
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const Dash = imports.ui.dash;
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const DND = imports.ui.dnd;
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const Main = imports.ui.main;
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const MessageTray = imports.ui.messageTray;
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const OverviewControls = imports.ui.overviewControls;
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const Panel = imports.ui.panel;
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const Params = imports.misc.params;
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const Tweener = imports.ui.tweener;
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const ViewSelector = imports.ui.viewSelector;
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const WorkspaceThumbnail = imports.ui.workspaceThumbnail;
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// Time for initial animation going into Overview mode
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const ANIMATION_TIME = 0.25;
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const DND_WINDOW_SWITCH_TIMEOUT = 1250;
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const GLSL_DIM_EFFECT_DECLARATIONS = '';
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const GLSL_DIM_EFFECT_CODE = '\
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vec2 dist = cogl_tex_coord_in[0].xy - vec2(0.5, 0.5); \
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float elipse_radius = 0.5; \
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/* from https://bugzilla.gnome.org/show_bug.cgi?id=669798: \
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the alpha on the gradient goes from 250 at its darkest to 180 at its most transparent. */ \
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float y = 250.0 / 255.0; \
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float x = 180.0 / 255.0; \
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/* interpolate darkening value, based on distance from screen center */ \
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float val = min(length(dist), elipse_radius); \
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float a = mix(x, y, val / elipse_radius); \
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/* dim_factor varies from [1.0 -> 0.5] when overview is showing \
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We use it to smooth value, then we clamp it to valid color interval */ \
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a = clamp(a - cogl_color_in.r + 0.5, 0.0, 1.0); \
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/* We\'re blending between: color and black color (obviously omitted in the equation) */ \
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cogl_color_out.xyz = cogl_color_out.xyz * (1.0 - a); \
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cogl_color_out.a = 1.0;';
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const ShellInfo = new Lang.Class({
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Name: 'ShellInfo',
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_init: function() {
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this._source = null;
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this._undoCallback = null;
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},
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_onUndoClicked: function() {
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if (this._undoCallback)
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this._undoCallback();
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this._undoCallback = null;
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if (this._source)
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this._source.destroy();
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},
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setMessage: function(text, options) {
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options = Params.parse(options, { undoCallback: null,
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forFeedback: false
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});
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let undoCallback = options.undoCallback;
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let forFeedback = options.forFeedback;
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if (this._source == null) {
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this._source = new MessageTray.SystemNotificationSource();
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this._source.connect('destroy', Lang.bind(this,
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function() {
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this._source = null;
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}));
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Main.messageTray.add(this._source);
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}
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let notification = null;
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if (this._source.notifications.length == 0) {
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notification = new MessageTray.Notification(this._source, text, null);
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notification.setTransient(true);
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notification.setForFeedback(forFeedback);
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} else {
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notification = this._source.notifications[0];
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notification.update(text, null, { clear: true });
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}
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this._undoCallback = undoCallback;
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if (undoCallback) {
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notification.addButton('system-undo', _("Undo"));
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notification.connect('action-invoked', Lang.bind(this, this._onUndoClicked));
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}
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this._source.notify(notification);
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}
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});
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const Overview = new Lang.Class({
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Name: 'Overview',
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_init: function() {
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this._overviewCreated = false;
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this._initCalled = false;
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Main.sessionMode.connect('updated', Lang.bind(this, this._sessionUpdated));
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this._sessionUpdated();
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},
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_createOverview: function() {
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if (this._overviewCreated)
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return;
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if (this.isDummy)
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return;
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this._overviewCreated = true;
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// The main BackgroundActor is inside global.window_group which is
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// hidden when displaying the overview, so we create a new
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// one. Instances of this class share a single CoglTexture behind the
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// scenes which allows us to show the background with different
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// rendering options without duplicating the texture data.
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this._background = Meta.BackgroundActor.new_for_screen(global.screen);
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this._background.add_glsl_snippet(Meta.SnippetHook.FRAGMENT,
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GLSL_DIM_EFFECT_DECLARATIONS,
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GLSL_DIM_EFFECT_CODE,
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false);
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this._background.hide();
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global.overlay_group.add_actor(this._background);
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this._desktopFade = new St.Bin();
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global.overlay_group.add_actor(this._desktopFade);
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/* Translators: This is the main view to select
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activities. See also note for "Activities" string. */
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this._overview = new St.BoxLayout({ name: 'overview',
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accessible_name: _("Overview"),
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reactive: true,
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vertical: true });
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this._overview._delegate = this;
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this._group = new St.BoxLayout({ name: 'overview-group' });
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this._capturedEventId = 0;
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this._buttonPressId = 0;
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this.visible = false; // animating to overview, in overview, animating out
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this._shown = false; // show() and not hide()
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this._shownTemporarily = false; // showTemporarily() and not hideTemporarily()
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this._modal = false; // have a modal grab
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this.animationInProgress = false;
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this.visibleTarget = false;
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// During transitions, we raise this to the top to avoid having the overview
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// area be reactive; it causes too many issues such as double clicks on
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// Dash elements, or mouseover handlers in the workspaces.
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this._coverPane = new Clutter.Rectangle({ opacity: 0,
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reactive: true });
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this._overview.add_actor(this._coverPane);
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this._coverPane.connect('event', Lang.bind(this, function (actor, event) { return true; }));
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this._overview.hide();
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global.overlay_group.add_actor(this._overview);
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this._coverPane.hide();
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// XDND
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this._dragMonitor = {
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dragMotion: Lang.bind(this, this._onDragMotion)
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};
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Main.xdndHandler.connect('drag-begin', Lang.bind(this, this._onDragBegin));
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Main.xdndHandler.connect('drag-end', Lang.bind(this, this._onDragEnd));
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global.screen.connect('restacked', Lang.bind(this, this._onRestacked));
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this._windowSwitchTimeoutId = 0;
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this._windowSwitchTimestamp = 0;
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this._lastActiveWorkspaceIndex = -1;
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this._lastHoveredWindow = null;
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this._needsFakePointerEvent = false;
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if (this._initCalled)
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this.init();
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},
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_sessionUpdated: function() {
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this.isDummy = !Main.sessionMode.hasOverview;
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this._createOverview();
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},
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// The members we construct that are implemented in JS might
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// want to access the overview as Main.overview to connect
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// signal handlers and so forth. So we create them after
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// construction in this init() method.
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init: function() {
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this._initCalled = true;
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if (this.isDummy)
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return;
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this._shellInfo = new ShellInfo();
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// Add a clone of the panel to the overview so spacing and such is
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// automatic
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this._panelGhost = new St.Bin({ child: new Clutter.Clone({ source: Main.panel.actor }),
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reactive: false,
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opacity: 0 });
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this._overview.add_actor(this._panelGhost);
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this._searchEntry = new St.Entry({ name: 'searchEntry',
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/* Translators: this is the text displayed
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in the search entry when no search is
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active; it should not exceed ~30
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characters. */
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hint_text: _("Type to search…"),
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track_hover: true,
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can_focus: true });
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this._searchEntryBin = new St.Bin({ child: this._searchEntry,
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x_align: St.Align.MIDDLE });
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this._overview.add_actor(this._searchEntryBin);
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// Create controls
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this._dash = new Dash.Dash();
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this._viewSelector = new ViewSelector.ViewSelector(this._searchEntry,
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this._dash.showAppsButton);
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this._thumbnailsBox = new WorkspaceThumbnail.ThumbnailsBox();
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this._controls = new OverviewControls.ControlsManager(this._dash,
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this._thumbnailsBox,
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this._viewSelector,
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this._searchEntryBin);
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// Pack all the actors into the group
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this._group.add_actor(this._controls.dashActor);
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this._group.add(this._viewSelector.actor, { x_fill: true,
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expand: true });
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this._group.add_actor(this._controls.thumbnailsActor);
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// Add our same-line elements after the search entry
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this._overview.add(this._group, { y_fill: true,
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expand: true });
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// TODO - recalculate everything when desktop size changes
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this.dashIconSize = this._dash.iconSize;
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this._dash.connect('icon-size-changed',
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Lang.bind(this, function() {
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this.dashIconSize = this._dash.iconSize;
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}));
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Main.layoutManager.connect('monitors-changed', Lang.bind(this, this._relayout));
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this._relayout();
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},
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addSearchProvider: function(provider) {
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this._viewSelector.addSearchProvider(provider);
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},
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removeSearchProvider: function(provider) {
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this._viewSelector.removeSearchProvider(provider);
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},
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//
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// options:
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// - undoCallback (function): the callback to be called if undo support is needed
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// - forFeedback (boolean): whether the message is for direct feedback of a user action
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//
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setMessage: function(text, options) {
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if (this.isDummy)
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return;
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this._shellInfo.setMessage(text, options);
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},
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_onDragBegin: function() {
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DND.addDragMonitor(this._dragMonitor);
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// Remember the workspace we started from
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this._lastActiveWorkspaceIndex = global.screen.get_active_workspace_index();
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},
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_onDragEnd: function(time) {
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// In case the drag was canceled while in the overview
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// we have to go back to where we started and hide
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// the overview
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if (this._shownTemporarily) {
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global.screen.get_workspace_by_index(this._lastActiveWorkspaceIndex).activate(time);
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this.hideTemporarily();
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}
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this._resetWindowSwitchTimeout();
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this._lastHoveredWindow = null;
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DND.removeDragMonitor(this._dragMonitor);
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this.endItemDrag();
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},
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_resetWindowSwitchTimeout: function() {
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if (this._windowSwitchTimeoutId != 0) {
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Mainloop.source_remove(this._windowSwitchTimeoutId);
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this._windowSwitchTimeoutId = 0;
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this._needsFakePointerEvent = false;
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}
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},
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_fakePointerEvent: function() {
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let display = Gdk.Display.get_default();
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let deviceManager = display.get_device_manager();
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let pointer = deviceManager.get_client_pointer();
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let [screen, pointerX, pointerY] = pointer.get_position();
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pointer.warp(screen, pointerX, pointerY);
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},
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_onDragMotion: function(dragEvent) {
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let targetIsWindow = dragEvent.targetActor &&
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dragEvent.targetActor._delegate &&
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dragEvent.targetActor._delegate.metaWindow &&
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!(dragEvent.targetActor._delegate instanceof WorkspaceThumbnail.WindowClone);
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this._windowSwitchTimestamp = global.get_current_time();
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if (targetIsWindow &&
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dragEvent.targetActor._delegate.metaWindow == this._lastHoveredWindow)
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return DND.DragMotionResult.CONTINUE;
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this._lastHoveredWindow = null;
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this._resetWindowSwitchTimeout();
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if (targetIsWindow) {
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this._lastHoveredWindow = dragEvent.targetActor._delegate.metaWindow;
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this._windowSwitchTimeoutId = Mainloop.timeout_add(DND_WINDOW_SWITCH_TIMEOUT,
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Lang.bind(this, function() {
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this._needsFakePointerEvent = true;
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Main.activateWindow(dragEvent.targetActor._delegate.metaWindow,
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this._windowSwitchTimestamp);
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this.hideTemporarily();
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this._lastHoveredWindow = null;
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}));
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}
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return DND.DragMotionResult.CONTINUE;
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},
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addAction: function(action) {
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if (this.isDummy)
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return;
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this._overview.add_action(action);
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},
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_getDesktopClone: function() {
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let windows = global.get_window_actors().filter(function(w) {
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return w.meta_window.get_window_type() == Meta.WindowType.DESKTOP;
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});
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if (windows.length == 0)
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return null;
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let window = windows[0];
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let clone = new Clutter.Clone({ source: window.get_texture(),
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x: window.x, y: window.y });
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clone.source.connect('destroy', Lang.bind(this, function() {
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clone.destroy();
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}));
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return clone;
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},
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_relayout: function () {
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// To avoid updating the position and size of the workspaces
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// we just hide the overview. The positions will be updated
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// when it is next shown.
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this.hide();
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let primary = Main.layoutManager.primaryMonitor;
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let workArea = Main.layoutManager.getWorkAreaForMonitor(Main.layoutManager.primaryIndex);
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this._overview.set_position(primary.x, primary.y);
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this._overview.set_size(primary.width, primary.height);
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this._coverPane.set_position(0, workArea.y);
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this._coverPane.set_size(workArea.width, workArea.height);
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},
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_onRestacked: function() {
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let stack = global.get_window_actors();
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let stackIndices = {};
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for (let i = 0; i < stack.length; i++) {
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// Use the stable sequence for an integer to use as a hash key
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stackIndices[stack[i].get_meta_window().get_stable_sequence()] = i;
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}
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this.emit('windows-restacked', stackIndices);
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},
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//// Public methods ////
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beginItemDrag: function(source) {
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this.emit('item-drag-begin');
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},
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cancelledItemDrag: function(source) {
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this.emit('item-drag-cancelled');
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},
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endItemDrag: function(source) {
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this.emit('item-drag-end');
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},
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beginWindowDrag: function(source) {
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this.emit('window-drag-begin');
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},
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cancelledWindowDrag: function(source) {
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this.emit('window-drag-cancelled');
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},
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endWindowDrag: function(source) {
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this.emit('window-drag-end');
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},
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// show:
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//
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// Animates the overview visible and grabs mouse and keyboard input
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show : function() {
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if (this.isDummy)
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return;
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if (this._shown)
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return;
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this._shown = true;
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this._syncInputMode();
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if (!this._modal)
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return;
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this._animateVisible();
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},
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fadeInDesktop: function() {
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this._desktopFade.opacity = 0;
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this._desktopFade.show();
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Tweener.addTween(this._desktopFade,
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{ opacity: 255,
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time: ANIMATION_TIME,
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transition: 'easeOutQuad' });
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},
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fadeOutDesktop: function() {
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if (!this._desktopFade.child)
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this._desktopFade.child = this._getDesktopClone();
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this._desktopFade.opacity = 255;
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this._desktopFade.show();
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Tweener.addTween(this._desktopFade,
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{ opacity: 0,
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time: ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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},
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_animateVisible: function() {
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if (this.visible || this.animationInProgress)
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return;
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this.visible = true;
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this.animationInProgress = true;
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this.visibleTarget = true;
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// All the the actors in the window group are completely obscured,
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// hiding the group holding them while the Overview is displayed greatly
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// increases performance of the Overview especially when there are many
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// windows visible.
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//
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// If we switched to displaying the actors in the Overview rather than
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// clones of them, this would obviously no longer be necessary.
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//
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// Disable unredirection while in the overview
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Meta.disable_unredirect_for_screen(global.screen);
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global.window_group.hide();
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global.top_window_group.hide();
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this._overview.show();
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this._background.show();
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this._viewSelector.show();
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this._overview.opacity = 0;
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Tweener.addTween(this._overview,
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{ opacity: 255,
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transition: 'easeOutQuad',
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time: ANIMATION_TIME,
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onComplete: this._showDone,
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onCompleteScope: this
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});
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Tweener.addTween(this._background,
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{ dim_factor: 0.8,
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time: ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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this._coverPane.raise_top();
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this._coverPane.show();
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this.emit('showing');
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},
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// showTemporarily:
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//
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// Animates the overview visible without grabbing mouse and keyboard input;
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// if show() has already been called, this has no immediate effect, but
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// will result in the overview not being hidden until hideTemporarily() is
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// called.
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showTemporarily: function() {
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if (this.isDummy)
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return;
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if (this._shownTemporarily)
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return;
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this._syncInputMode();
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this._animateVisible();
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this._shownTemporarily = true;
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},
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// hide:
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//
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// Reverses the effect of show()
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hide: function() {
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if (this.isDummy)
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return;
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if (!this._shown)
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return;
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if (!this._shownTemporarily)
|
|
this._animateNotVisible();
|
|
|
|
this._shown = false;
|
|
this._syncInputMode();
|
|
},
|
|
|
|
// hideTemporarily:
|
|
//
|
|
// Reverses the effect of showTemporarily()
|
|
hideTemporarily: function() {
|
|
if (this.isDummy)
|
|
return;
|
|
|
|
if (!this._shownTemporarily)
|
|
return;
|
|
|
|
if (!this._shown)
|
|
this._animateNotVisible();
|
|
|
|
this._shownTemporarily = false;
|
|
this._syncInputMode();
|
|
},
|
|
|
|
toggle: function() {
|
|
if (this.isDummy)
|
|
return;
|
|
|
|
if (this.visible)
|
|
this.hide();
|
|
else
|
|
this.show();
|
|
},
|
|
|
|
//// Private methods ////
|
|
|
|
_syncInputMode: function() {
|
|
// We delay input mode changes during animation so that when removing the
|
|
// overview we don't have a problem with the release of a press/release
|
|
// going to an application.
|
|
if (this.animationInProgress)
|
|
return;
|
|
|
|
if (this._shown) {
|
|
if (!this._modal) {
|
|
if (Main.pushModal(this._overview,
|
|
{ keybindingMode: Shell.KeyBindingMode.OVERVIEW }))
|
|
this._modal = true;
|
|
else
|
|
this.hide();
|
|
}
|
|
} else if (this._shownTemporarily) {
|
|
if (this._modal) {
|
|
Main.popModal(this._overview);
|
|
this._modal = false;
|
|
}
|
|
global.stage_input_mode = Shell.StageInputMode.FULLSCREEN;
|
|
} else {
|
|
if (this._modal) {
|
|
Main.popModal(this._overview);
|
|
this._modal = false;
|
|
}
|
|
else if (global.stage_input_mode == Shell.StageInputMode.FULLSCREEN)
|
|
global.stage_input_mode = Shell.StageInputMode.NORMAL;
|
|
}
|
|
},
|
|
|
|
_animateNotVisible: function() {
|
|
if (!this.visible || this.animationInProgress)
|
|
return;
|
|
|
|
this.animationInProgress = true;
|
|
this.visibleTarget = false;
|
|
|
|
this._viewSelector.zoomFromOverview();
|
|
|
|
// Make other elements fade out.
|
|
Tweener.addTween(this._overview,
|
|
{ opacity: 0,
|
|
transition: 'easeOutQuad',
|
|
time: ANIMATION_TIME,
|
|
onComplete: this._hideDone,
|
|
onCompleteScope: this
|
|
});
|
|
|
|
Tweener.addTween(this._background,
|
|
{ dim_factor: 1.0,
|
|
time: ANIMATION_TIME,
|
|
transition: 'easeOutQuad'
|
|
});
|
|
|
|
this._coverPane.raise_top();
|
|
this._coverPane.show();
|
|
this.emit('hiding');
|
|
},
|
|
|
|
_showDone: function() {
|
|
this.animationInProgress = false;
|
|
this._desktopFade.hide();
|
|
this._coverPane.hide();
|
|
|
|
this.emit('shown');
|
|
// Handle any calls to hide* while we were showing
|
|
if (!this._shown && !this._shownTemporarily)
|
|
this._animateNotVisible();
|
|
|
|
this._syncInputMode();
|
|
global.sync_pointer();
|
|
},
|
|
|
|
_hideDone: function() {
|
|
// Re-enable unredirection
|
|
Meta.enable_unredirect_for_screen(global.screen);
|
|
|
|
global.window_group.show();
|
|
global.top_window_group.show();
|
|
|
|
this._viewSelector.hide();
|
|
this._desktopFade.hide();
|
|
this._background.hide();
|
|
this._overview.hide();
|
|
|
|
this.visible = false;
|
|
this.animationInProgress = false;
|
|
|
|
this._coverPane.hide();
|
|
|
|
this.emit('hidden');
|
|
// Handle any calls to show* while we were hiding
|
|
if (this._shown || this._shownTemporarily)
|
|
this._animateVisible();
|
|
|
|
this._syncInputMode();
|
|
|
|
// Fake a pointer event if requested
|
|
if (this._needsFakePointerEvent) {
|
|
this._fakePointerEvent();
|
|
this._needsFakePointerEvent = false;
|
|
}
|
|
}
|
|
});
|
|
Signals.addSignalMethods(Overview.prototype);
|