819 lines
31 KiB
JavaScript
819 lines
31 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 Gio = imports.gi.Gio;
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const Lang = imports.lang;
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const Mainloop = imports.mainloop;
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const Meta = imports.gi.Meta;
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const Shell = imports.gi.Shell;
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const St = imports.gi.St;
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const Atk = imports.gi.Atk;
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const Main = imports.ui.main;
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const SwitcherPopup = imports.ui.switcherPopup;
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const Tweener = imports.ui.tweener;
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const APP_ICON_HOVER_TIMEOUT = 200; // milliseconds
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const THUMBNAIL_DEFAULT_SIZE = 256;
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const THUMBNAIL_POPUP_TIME = 500; // milliseconds
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const THUMBNAIL_FADE_TIME = 0.1; // seconds
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const WINDOW_PREVIEW_SIZE = 128;
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const APP_ICON_SIZE = 96;
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const APP_ICON_SIZE_SMALL = 48;
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const iconSizes = [96, 64, 48, 32, 22];
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const AppIconMode = {
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THUMBNAIL_ONLY: 1,
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APP_ICON_ONLY: 2,
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BOTH: 3,
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};
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function _createWindowClone(window, size) {
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let windowTexture = window.get_texture();
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let [width, height] = windowTexture.get_size();
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let scale = Math.min(1.0, size / width, size / height);
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return new Clutter.Clone({ source: windowTexture,
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width: width * scale,
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height: height * scale,
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x_align: Clutter.ActorAlign.CENTER,
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y_align: Clutter.ActorAlign.CENTER,
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// usual hack for the usual bug in ClutterBinLayout...
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x_expand: true,
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y_expand: true });
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};
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const AppSwitcherPopup = new Lang.Class({
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Name: 'AppSwitcherPopup',
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Extends: SwitcherPopup.SwitcherPopup,
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_init : function() {
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this.parent();
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this._thumbnails = null;
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this._thumbnailTimeoutId = 0;
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this._currentWindow = -1;
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this.thumbnailsVisible = false;
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},
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_allocate: function (actor, box, flags) {
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this.parent(actor, box, flags);
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// Allocate the thumbnails
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// We try to avoid overflowing the screen so we base the resulting size on
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// those calculations
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if (this._thumbnails) {
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let childBox = this._switcherList.actor.get_allocation_box();
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let primary = Main.layoutManager.primaryMonitor;
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let leftPadding = this.actor.get_theme_node().get_padding(St.Side.LEFT);
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let rightPadding = this.actor.get_theme_node().get_padding(St.Side.RIGHT);
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let bottomPadding = this.actor.get_theme_node().get_padding(St.Side.BOTTOM);
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let vPadding = this.actor.get_theme_node().get_vertical_padding();
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let hPadding = leftPadding + rightPadding;
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let icon = this._items[this._selectedIndex].actor;
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let [posX, posY] = icon.get_transformed_position();
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let thumbnailCenter = posX + icon.width / 2;
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let [childMinWidth, childNaturalWidth] = this._thumbnails.actor.get_preferred_width(-1);
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childBox.x1 = Math.max(primary.x + leftPadding, Math.floor(thumbnailCenter - childNaturalWidth / 2));
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if (childBox.x1 + childNaturalWidth > primary.x + primary.width - hPadding) {
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let offset = childBox.x1 + childNaturalWidth - primary.width + hPadding;
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childBox.x1 = Math.max(primary.x + leftPadding, childBox.x1 - offset - hPadding);
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}
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let spacing = this.actor.get_theme_node().get_length('spacing');
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childBox.x2 = childBox.x1 + childNaturalWidth;
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if (childBox.x2 > primary.x + primary.width - rightPadding)
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childBox.x2 = primary.x + primary.width - rightPadding;
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childBox.y1 = this._switcherList.actor.allocation.y2 + spacing;
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this._thumbnails.addClones(primary.y + primary.height - bottomPadding - childBox.y1);
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let [childMinHeight, childNaturalHeight] = this._thumbnails.actor.get_preferred_height(-1);
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childBox.y2 = childBox.y1 + childNaturalHeight;
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this._thumbnails.actor.allocate(childBox, flags);
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}
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},
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_getAppLists: function() {
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let tracker = Shell.WindowTracker.get_default();
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let appSys = Shell.AppSystem.get_default();
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let allApps = appSys.get_running ();
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let screen = global.screen;
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let display = screen.get_display();
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let windows = display.get_tab_list(Meta.TabList.NORMAL_ALL, screen,
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screen.get_active_workspace());
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// windows is only the windows on the current workspace. For
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// each one, if it corresponds to an app we know, move that
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// app from allApps to apps.
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let apps = [];
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for (let i = 0; i < windows.length && allApps.length != 0; i++) {
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let app = tracker.get_window_app(windows[i]);
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let index = allApps.indexOf(app);
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if (index != -1) {
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apps.push(app);
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allApps.splice(index, 1);
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}
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}
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// Now @apps is a list of apps on the current workspace, in
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// standard Alt+Tab order (MRU except for minimized windows),
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// and allApps is a list of apps that only appear on other
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// workspaces, sorted by user_time, which is good enough.
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return [apps, allApps];
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},
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_createSwitcher: function() {
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let [localApps, otherApps] = this._getAppLists();
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if (localApps.length == 0 && otherApps.length == 0)
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return false;
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this._switcherList = new AppSwitcher(localApps, otherApps, this);
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this._items = this._switcherList.icons;
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return true;
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},
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_initialSelection: function(backward, binding) {
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if (binding == 'switch-group') {
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if (backward) {
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this._select(0, this._items[0].cachedWindows.length - 1);
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} else {
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if (this._items[0].cachedWindows.length > 1)
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this._select(0, 1);
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else
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this._select(0, 0);
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}
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} else if (binding == 'switch-group-backward') {
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this._select(0, this._items[0].cachedWindows.length - 1);
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} else if (binding == 'switch-applications-backward') {
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this._select(this._items.length - 1);
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} else if (this._items.length == 1) {
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this._select(0);
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} else if (backward) {
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this._select(this._items.length - 1);
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} else {
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this._select(1);
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}
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},
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_nextWindow : function() {
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// We actually want the second window if we're in the unset state
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if (this._currentWindow == -1)
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this._currentWindow = 0;
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return SwitcherPopup.mod(this._currentWindow + 1,
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this._items[this._selectedIndex].cachedWindows.length);
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},
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_previousWindow : function() {
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// Also assume second window here
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if (this._currentWindow == -1)
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this._currentWindow = 1;
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return SwitcherPopup.mod(this._currentWindow - 1,
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this._items[this._selectedIndex].cachedWindows.length);
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},
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_keyPressHandler: function(keysym, backwards, action) {
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if (action == Meta.KeyBindingAction.SWITCH_GROUP) {
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this._select(this._selectedIndex, backwards ? this._previousWindow() : this._nextWindow());
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} else if (action == Meta.KeyBindingAction.SWITCH_GROUP_BACKWARD) {
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this._select(this._selectedIndex, this._previousWindow());
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} else if (action == Meta.KeyBindingAction.SWITCH_APPLICATIONS) {
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this._select(backwards ? this._previous() : this._next());
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} else if (action == Meta.KeyBindingAction.SWITCH_APPLICATIONS_BACKWARD) {
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this._select(this._previous());
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} else if (this._thumbnailsFocused) {
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if (keysym == Clutter.Left)
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this._select(this._selectedIndex, this._previousWindow());
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else if (keysym == Clutter.Right)
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this._select(this._selectedIndex, this._nextWindow());
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else if (keysym == Clutter.Up)
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this._select(this._selectedIndex, null, true);
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} else {
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if (keysym == Clutter.Left)
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this._select(this._previous());
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else if (keysym == Clutter.Right)
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this._select(this._next());
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else if (keysym == Clutter.Down)
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this._select(this._selectedIndex, 0);
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}
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},
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_scrollHandler: function(direction) {
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if (direction == Clutter.ScrollDirection.UP) {
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if (this._thumbnailsFocused) {
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if (this._currentWindow == 0 || this._currentWindow == -1)
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this._select(this._previous());
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else
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this._select(this._selectedIndex, this._previousWindow());
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} else {
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let nwindows = this._items[this._selectedIndex].cachedWindows.length;
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if (nwindows > 1)
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this._select(this._selectedIndex, nwindows - 1);
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else
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this._select(this._previous());
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}
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} else if (direction == Clutter.ScrollDirection.DOWN) {
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if (this._thumbnailsFocused) {
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if (this._currentWindow == this._items[this._selectedIndex].cachedWindows.length - 1)
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this._select(this._next());
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else
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this._select(this._selectedIndex, this._nextWindow());
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} else {
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let nwindows = this._items[this._selectedIndex].cachedWindows.length;
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if (nwindows > 1)
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this._select(this._selectedIndex, 0);
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else
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this._select(this._next());
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}
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}
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},
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_itemActivatedHandler: function(n) {
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// If the user clicks on the selected app, activate the
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// selected window; otherwise (eg, they click on an app while
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// !mouseActive) activate the clicked-on app.
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if (n == this._selectedIndex && this._currentWindow >= 0)
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this._select(n, this._currentWindow);
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else
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this._select(n);
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},
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_itemEnteredHandler: function(n) {
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this._select(n);
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},
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_windowActivated : function(thumbnailList, n) {
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let appIcon = this._items[this._selectedIndex];
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Main.activateWindow(appIcon.cachedWindows[n]);
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this.destroy();
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},
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_windowEntered : function(thumbnailList, n) {
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if (!this.mouseActive)
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return;
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this._select(this._selectedIndex, n);
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},
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_finish : function(timestamp) {
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this.parent();
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let appIcon = this._items[this._selectedIndex];
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let window;
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if (this._currentWindow >= 0)
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window = appIcon.cachedWindows[this._currentWindow];
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else
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window = null;
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appIcon.app.activate_window(window, timestamp);
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},
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_onDestroy : function() {
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this.parent();
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if (this._thumbnails)
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this._destroyThumbnails();
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if (this._thumbnailTimeoutId != 0)
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Mainloop.source_remove(this._thumbnailTimeoutId);
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},
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/**
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* _select:
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* @app: index of the app to select
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* @window: (optional) index of which of @app's windows to select
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* @forceAppFocus: optional flag, see below
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*
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* Selects the indicated @app, and optional @window, and sets
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* this._thumbnailsFocused appropriately to indicate whether the
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* arrow keys should act on the app list or the thumbnail list.
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*
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* If @app is specified and @window is unspecified or %null, then
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* the app is highlighted (ie, given a light background), and the
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* current thumbnail list, if any, is destroyed. If @app has
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* multiple windows, and @forceAppFocus is not %true, then a
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* timeout is started to open a thumbnail list.
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*
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* If @app and @window are specified (and @forceAppFocus is not),
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* then @app will be outlined, a thumbnail list will be created
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* and focused (if it hasn't been already), and the @window'th
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* window in it will be highlighted.
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*
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* If @app and @window are specified and @forceAppFocus is %true,
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* then @app will be highlighted, and @window outlined, and the
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* app list will have the keyboard focus.
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*/
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_select : function(app, window, forceAppFocus) {
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if (app != this._selectedIndex || window == null) {
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if (this._thumbnails)
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this._destroyThumbnails();
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}
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if (this._thumbnailTimeoutId != 0) {
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Mainloop.source_remove(this._thumbnailTimeoutId);
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this._thumbnailTimeoutId = 0;
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}
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this._thumbnailsFocused = (window != null) && !forceAppFocus;
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this._selectedIndex = app;
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this._currentWindow = window ? window : -1;
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this._switcherList.highlight(app, this._thumbnailsFocused);
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if (window != null) {
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if (!this._thumbnails)
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this._createThumbnails();
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this._currentWindow = window;
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this._thumbnails.highlight(window, forceAppFocus);
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} else if (this._items[this._selectedIndex].cachedWindows.length > 1 &&
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!forceAppFocus) {
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this._thumbnailTimeoutId = Mainloop.timeout_add (
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THUMBNAIL_POPUP_TIME,
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Lang.bind(this, this._timeoutPopupThumbnails));
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}
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},
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_timeoutPopupThumbnails: function() {
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if (!this._thumbnails)
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this._createThumbnails();
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this._thumbnailTimeoutId = 0;
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this._thumbnailsFocused = false;
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return false;
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},
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_destroyThumbnails : function() {
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let thumbnailsActor = this._thumbnails.actor;
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Tweener.addTween(thumbnailsActor,
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{ opacity: 0,
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time: THUMBNAIL_FADE_TIME,
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transition: 'easeOutQuad',
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onComplete: Lang.bind(this, function() {
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thumbnailsActor.destroy();
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this.thumbnailsVisible = false;
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})
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});
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this._thumbnails = null;
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this._switcherList._items[this._selectedIndex].remove_accessible_state (Atk.StateType.EXPANDED);
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},
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_createThumbnails : function() {
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this._thumbnails = new ThumbnailList (this._items[this._selectedIndex].cachedWindows);
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this._thumbnails.connect('item-activated', Lang.bind(this, this._windowActivated));
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this._thumbnails.connect('item-entered', Lang.bind(this, this._windowEntered));
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this.actor.add_actor(this._thumbnails.actor);
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// Need to force an allocation so we can figure out whether we
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// need to scroll when selecting
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this._thumbnails.actor.get_allocation_box();
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this._thumbnails.actor.opacity = 0;
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Tweener.addTween(this._thumbnails.actor,
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{ opacity: 255,
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time: THUMBNAIL_FADE_TIME,
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transition: 'easeOutQuad',
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onComplete: Lang.bind(this, function () { this.thumbnailsVisible = true; })
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});
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this._switcherList._items[this._selectedIndex].add_accessible_state (Atk.StateType.EXPANDED);
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}
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});
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const WindowSwitcherPopup = new Lang.Class({
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Name: 'WindowSwitcherPopup',
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Extends: SwitcherPopup.SwitcherPopup,
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_getWindowList: function() {
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let settings = new Gio.Settings({ schema: 'org.gnome.shell.window-switcher' });
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let workspace = settings.get_boolean('current-workspace-only') ? global.screen.get_active_workspace()
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: null;
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return global.display.get_tab_list(Meta.TabList.NORMAL, global.screen, workspace);
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},
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_createSwitcher: function() {
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let windows = this._getWindowList();
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if (windows.length == 0)
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return false;
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this._switcherList = new WindowList(windows);
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this._items = this._switcherList.icons;
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return true;
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},
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_initialSelection: function(backward, binding) {
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if (binding == 'switch-windows-backward' || backward)
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this._select(this._items.length - 1);
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else if (this._items.length == 1)
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this._select(0);
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else
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this._select(1);
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},
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_keyPressHandler: function(keysym, backwards, action) {
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if (action == Meta.KeyBindingAction.SWITCH_WINDOWS) {
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this._select(backwards ? this._previous() : this._next());
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} else if (action == Meta.KeyBindingAction.SWITCH_WINDOWS_BACKWARD) {
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this._select(this._previous());
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} else {
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if (keysym == Clutter.Left)
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this._select(this._previous());
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else if (keysym == Clutter.Right)
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this._select(this._next());
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}
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},
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_finish: function() {
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this.parent();
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Main.activateWindow(this._items[this._selectedIndex].window);
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}
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});
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const AppIcon = new Lang.Class({
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Name: 'AppIcon',
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_init: function(app) {
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this.app = app;
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this.actor = new St.BoxLayout({ style_class: 'alt-tab-app',
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vertical: true });
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this.icon = null;
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this._iconBin = new St.Bin({ x_fill: true, y_fill: true });
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this.actor.add(this._iconBin, { x_fill: false, y_fill: false } );
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this.label = new St.Label({ text: this.app.get_name() });
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this.actor.add(this.label, { x_fill: false });
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},
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set_size: function(size) {
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this.icon = this.app.create_icon_texture(size);
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this._iconBin.set_size(size, size);
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this._iconBin.child = this.icon;
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}
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});
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const AppSwitcher = new Lang.Class({
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Name: 'AppSwitcher',
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Extends: SwitcherPopup.SwitcherList,
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_init : function(localApps, otherApps, altTabPopup) {
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this.parent(true);
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// Construct the AppIcons, add to the popup
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let activeWorkspace = global.screen.get_active_workspace();
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let workspaceIcons = [];
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let otherIcons = [];
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for (let i = 0; i < localApps.length; i++) {
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let appIcon = new AppIcon(localApps[i]);
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// Cache the window list now; we don't handle dynamic changes here,
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// and we don't want to be continually retrieving it
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appIcon.cachedWindows = appIcon.app.get_windows();
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workspaceIcons.push(appIcon);
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}
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for (let i = 0; i < otherApps.length; i++) {
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let appIcon = new AppIcon(otherApps[i]);
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appIcon.cachedWindows = appIcon.app.get_windows();
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otherIcons.push(appIcon);
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}
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this.icons = [];
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this._arrows = [];
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for (let i = 0; i < workspaceIcons.length; i++)
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|
this._addIcon(workspaceIcons[i]);
|
|
if (workspaceIcons.length > 0 && otherIcons.length > 0)
|
|
this.addSeparator();
|
|
for (let i = 0; i < otherIcons.length; i++)
|
|
this._addIcon(otherIcons[i]);
|
|
|
|
this._curApp = -1;
|
|
this._iconSize = 0;
|
|
this._altTabPopup = altTabPopup;
|
|
this._mouseTimeOutId = 0;
|
|
|
|
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
|
|
},
|
|
|
|
_onDestroy: function() {
|
|
if (this._mouseTimeOutId != 0)
|
|
Mainloop.source_remove(this._mouseTimeOutId);
|
|
},
|
|
|
|
_getPreferredHeight: function (actor, forWidth, alloc) {
|
|
let j = 0;
|
|
while(this._items.length > 1 && this._items[j].style_class != 'item-box') {
|
|
j++;
|
|
}
|
|
let themeNode = this._items[j].get_theme_node();
|
|
let iconPadding = themeNode.get_horizontal_padding();
|
|
let iconBorder = themeNode.get_border_width(St.Side.LEFT) + themeNode.get_border_width(St.Side.RIGHT);
|
|
let [iconMinHeight, iconNaturalHeight] = this.icons[j].label.get_preferred_height(-1);
|
|
let iconSpacing = iconNaturalHeight + iconPadding + iconBorder;
|
|
let totalSpacing = this._list.spacing * (this._items.length - 1);
|
|
if (this._separator)
|
|
totalSpacing += this._separator.width + this._list.spacing;
|
|
|
|
// We just assume the whole screen here due to weirdness happing with the passed width
|
|
let primary = Main.layoutManager.primaryMonitor;
|
|
let parentPadding = this.actor.get_parent().get_theme_node().get_horizontal_padding();
|
|
let availWidth = primary.width - parentPadding - this.actor.get_theme_node().get_horizontal_padding();
|
|
let height = 0;
|
|
|
|
for(let i = 0; i < iconSizes.length; i++) {
|
|
this._iconSize = iconSizes[i];
|
|
height = iconSizes[i] + iconSpacing;
|
|
let w = height * this._items.length + totalSpacing;
|
|
if (w <= availWidth)
|
|
break;
|
|
}
|
|
|
|
if (this._items.length == 1) {
|
|
this._iconSize = iconSizes[0];
|
|
height = iconSizes[0] + iconSpacing;
|
|
}
|
|
|
|
for(let i = 0; i < this.icons.length; i++) {
|
|
if (this.icons[i].icon != null)
|
|
break;
|
|
this.icons[i].set_size(this._iconSize);
|
|
}
|
|
|
|
alloc.min_size = height;
|
|
alloc.natural_size = height;
|
|
},
|
|
|
|
_allocate: function (actor, box, flags) {
|
|
// Allocate the main list items
|
|
this.parent(actor, box, flags);
|
|
|
|
let arrowHeight = Math.floor(this.actor.get_theme_node().get_padding(St.Side.BOTTOM) / 3);
|
|
let arrowWidth = arrowHeight * 2;
|
|
|
|
// Now allocate each arrow underneath its item
|
|
let childBox = new Clutter.ActorBox();
|
|
for (let i = 0; i < this._items.length; i++) {
|
|
let itemBox = this._items[i].allocation;
|
|
childBox.x1 = Math.floor(itemBox.x1 + (itemBox.x2 - itemBox.x1 - arrowWidth) / 2);
|
|
childBox.x2 = childBox.x1 + arrowWidth;
|
|
childBox.y1 = itemBox.y2 + arrowHeight;
|
|
childBox.y2 = childBox.y1 + arrowHeight;
|
|
this._arrows[i].allocate(childBox, flags);
|
|
}
|
|
},
|
|
|
|
// We override SwitcherList's _onItemEnter method to delay
|
|
// activation when the thumbnail list is open
|
|
_onItemEnter: function (index) {
|
|
if (this._mouseTimeOutId != 0)
|
|
Mainloop.source_remove(this._mouseTimeOutId);
|
|
if (this._altTabPopup.thumbnailsVisible) {
|
|
this._mouseTimeOutId = Mainloop.timeout_add(APP_ICON_HOVER_TIMEOUT,
|
|
Lang.bind(this, function () {
|
|
this._enterItem(index);
|
|
this._mouseTimeOutId = 0;
|
|
return false;
|
|
}));
|
|
} else
|
|
this._itemEntered(index);
|
|
},
|
|
|
|
_enterItem: function(index) {
|
|
let [x, y, mask] = global.get_pointer();
|
|
let pickedActor = global.stage.get_actor_at_pos(Clutter.PickMode.ALL, x, y);
|
|
if (this._items[index].contains(pickedActor))
|
|
this._itemEntered(index);
|
|
},
|
|
|
|
// We override SwitcherList's highlight() method to also deal with
|
|
// the AppSwitcher->ThumbnailList arrows. Apps with only 1 window
|
|
// will hide their arrows by default, but show them when their
|
|
// thumbnails are visible (ie, when the app icon is supposed to be
|
|
// in justOutline mode). Apps with multiple windows will normally
|
|
// show a dim arrow, but show a bright arrow when they are
|
|
// highlighted.
|
|
highlight : function(n, justOutline) {
|
|
if (this._curApp != -1) {
|
|
if (this.icons[this._curApp].cachedWindows.length == 1)
|
|
this._arrows[this._curApp].hide();
|
|
else
|
|
this._arrows[this._curApp].remove_style_pseudo_class('highlighted');
|
|
}
|
|
|
|
this.parent(n, justOutline);
|
|
this._curApp = n;
|
|
|
|
if (this._curApp != -1) {
|
|
if (justOutline && this.icons[this._curApp].cachedWindows.length == 1)
|
|
this._arrows[this._curApp].show();
|
|
else
|
|
this._arrows[this._curApp].add_style_pseudo_class('highlighted');
|
|
}
|
|
},
|
|
|
|
_addIcon : function(appIcon) {
|
|
this.icons.push(appIcon);
|
|
let item = this.addItem(appIcon.actor, appIcon.label);
|
|
|
|
let n = this._arrows.length;
|
|
let arrow = new St.DrawingArea({ style_class: 'switcher-arrow' });
|
|
arrow.connect('repaint', function() { SwitcherPopup.drawArrow(arrow, St.Side.BOTTOM); });
|
|
this._list.add_actor(arrow);
|
|
this._arrows.push(arrow);
|
|
|
|
if (appIcon.cachedWindows.length == 1)
|
|
arrow.hide();
|
|
else
|
|
item.add_accessible_state (Atk.StateType.EXPANDABLE);
|
|
}
|
|
});
|
|
|
|
const ThumbnailList = new Lang.Class({
|
|
Name: 'ThumbnailList',
|
|
Extends: SwitcherPopup.SwitcherList,
|
|
|
|
_init : function(windows) {
|
|
this.parent(false);
|
|
|
|
let activeWorkspace = global.screen.get_active_workspace();
|
|
|
|
// We fake the value of 'separatorAdded' when the app has no window
|
|
// on the current workspace, to avoid displaying a useless separator in
|
|
// that case.
|
|
let separatorAdded = windows.length == 0 || windows[0].get_workspace() != activeWorkspace;
|
|
|
|
this._labels = new Array();
|
|
this._thumbnailBins = new Array();
|
|
this._clones = new Array();
|
|
this._windows = windows;
|
|
|
|
for (let i = 0; i < windows.length; i++) {
|
|
if (!separatorAdded && windows[i].get_workspace() != activeWorkspace) {
|
|
this.addSeparator();
|
|
separatorAdded = true;
|
|
}
|
|
|
|
let box = new St.BoxLayout({ style_class: 'thumbnail-box',
|
|
vertical: true });
|
|
|
|
let bin = new St.Bin({ style_class: 'thumbnail' });
|
|
|
|
box.add_actor(bin);
|
|
this._thumbnailBins.push(bin);
|
|
|
|
let title = windows[i].get_title();
|
|
if (title) {
|
|
let name = new St.Label({ text: title });
|
|
// St.Label doesn't support text-align so use a Bin
|
|
let bin = new St.Bin({ x_align: St.Align.MIDDLE });
|
|
this._labels.push(bin);
|
|
bin.add_actor(name);
|
|
box.add_actor(bin);
|
|
|
|
this.addItem(box, name);
|
|
} else {
|
|
this.addItem(box, null);
|
|
}
|
|
|
|
}
|
|
},
|
|
|
|
addClones : function (availHeight) {
|
|
if (!this._thumbnailBins.length)
|
|
return;
|
|
let totalPadding = this._items[0].get_theme_node().get_horizontal_padding() + this._items[0].get_theme_node().get_vertical_padding();
|
|
totalPadding += this.actor.get_theme_node().get_horizontal_padding() + this.actor.get_theme_node().get_vertical_padding();
|
|
let [labelMinHeight, labelNaturalHeight] = this._labels[0].get_preferred_height(-1);
|
|
let spacing = this._items[0].child.get_theme_node().get_length('spacing');
|
|
|
|
availHeight = Math.min(availHeight - labelNaturalHeight - totalPadding - spacing, THUMBNAIL_DEFAULT_SIZE);
|
|
let binHeight = availHeight + this._items[0].get_theme_node().get_vertical_padding() + this.actor.get_theme_node().get_vertical_padding() - spacing;
|
|
binHeight = Math.min(THUMBNAIL_DEFAULT_SIZE, binHeight);
|
|
|
|
for (let i = 0; i < this._thumbnailBins.length; i++) {
|
|
let mutterWindow = this._windows[i].get_compositor_private();
|
|
if (!mutterWindow)
|
|
continue;
|
|
|
|
let clone = _createWindowClone(mutterWindow, THUMBNAIL_DEFAULT_SIZE);
|
|
this._thumbnailBins[i].set_height(binHeight);
|
|
this._thumbnailBins[i].add_actor(clone);
|
|
this._clones.push(clone);
|
|
}
|
|
|
|
// Make sure we only do this once
|
|
this._thumbnailBins = new Array();
|
|
}
|
|
});
|
|
|
|
const WindowIcon = new Lang.Class({
|
|
Name: 'WindowIcon',
|
|
|
|
_init: function(window) {
|
|
this.window = window;
|
|
|
|
this.actor = new St.BoxLayout({ style_class: 'alt-tab-app',
|
|
vertical: true });
|
|
this._icon = new St.Widget({ layout_manager: new Clutter.BinLayout() });
|
|
|
|
this.actor.add(this._icon, { x_fill: false, y_fill: false } );
|
|
this.label = new St.Label({ text: window.get_title() });
|
|
|
|
let tracker = Shell.WindowTracker.get_default();
|
|
this.app = tracker.get_window_app(window);
|
|
|
|
let mutterWindow = this.window.get_compositor_private();
|
|
let size;
|
|
|
|
this._icon.destroy_all_children();
|
|
|
|
let settings = new Gio.Settings({ schema: 'org.gnome.shell.window-switcher' });
|
|
switch (settings.get_enum('app-icon-mode')) {
|
|
case AppIconMode.THUMBNAIL_ONLY:
|
|
size = WINDOW_PREVIEW_SIZE;
|
|
this._icon.add_actor(_createWindowClone(mutterWindow, WINDOW_PREVIEW_SIZE));
|
|
break;
|
|
|
|
case AppIconMode.BOTH:
|
|
size = WINDOW_PREVIEW_SIZE;
|
|
this._icon.add_actor(_createWindowClone(mutterWindow, WINDOW_PREVIEW_SIZE));
|
|
|
|
if (this.app)
|
|
this._icon.add_actor(this._createAppIcon(this.app,
|
|
APP_ICON_SIZE_SMALL));
|
|
break;
|
|
|
|
case AppIconMode.APP_ICON_ONLY:
|
|
size = APP_ICON_SIZE;
|
|
this._icon.add_actor(this._createAppIcon(this.app, size));
|
|
}
|
|
|
|
this._icon.set_size(size, size);
|
|
},
|
|
|
|
_createAppIcon: function(app, size) {
|
|
let appIcon = app ? app.create_icon_texture(size)
|
|
: new St.Icon({ icon_name: 'icon-missing',
|
|
icon_size: size });
|
|
appIcon.x_expand = appIcon.y_expand = true;
|
|
appIcon.x_align = appIcon.y_align = Clutter.ActorAlign.END;
|
|
|
|
return appIcon;
|
|
}
|
|
});
|
|
|
|
const WindowList = new Lang.Class({
|
|
Name: 'WindowList',
|
|
Extends: SwitcherPopup.SwitcherList,
|
|
|
|
_init : function(windows) {
|
|
this.parent(true);
|
|
|
|
this._label = new St.Label({ x_align: Clutter.ActorAlign.CENTER,
|
|
y_align: Clutter.ActorAlign.CENTER });
|
|
this.actor.add_actor(this._label);
|
|
|
|
this.windows = windows;
|
|
this.icons = [];
|
|
|
|
for (let i = 0; i < windows.length; i++) {
|
|
let win = windows[i];
|
|
let icon = new WindowIcon(win);
|
|
|
|
this.addItem(icon.actor, icon.label);
|
|
this.icons.push(icon);
|
|
}
|
|
},
|
|
|
|
_getPreferredHeight: function(actor, forWidth, alloc) {
|
|
this.parent(actor, forWidth, alloc);
|
|
|
|
let spacing = this.actor.get_theme_node().get_padding(St.Side.BOTTOM);
|
|
let [labelMin, labelNat] = this._label.get_preferred_height(-1);
|
|
alloc.min_size += labelMin + spacing;
|
|
alloc.natural_size += labelNat + spacing;
|
|
},
|
|
|
|
_allocateTop: function(actor, box, flags) {
|
|
let childBox = new Clutter.ActorBox();
|
|
childBox.x1 = box.x1;
|
|
childBox.x2 = box.x2;
|
|
childBox.y2 = box.y2;
|
|
childBox.y1 = childBox.y2 - this._label.height;
|
|
this._label.allocate(childBox, flags);
|
|
|
|
let spacing = this.actor.get_theme_node().get_padding(St.Side.BOTTOM);
|
|
box.y2 -= this._label.height + spacing;
|
|
this.parent(actor, box, flags);
|
|
},
|
|
|
|
highlight: function(index, justOutline) {
|
|
this.parent(index, justOutline);
|
|
|
|
this._label.set_text(index == -1 ? '' : this.icons[index].label.text);
|
|
}
|
|
});
|