/* exported init */
const { Clutter, Gio, GLib, GObject, Gtk, Meta, Shell, St } = imports.gi;
const DND = imports.ui.dnd;
const Main = imports.ui.main;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
const ExtensionUtils = imports.misc.extensionUtils;
const Me = ExtensionUtils.getCurrentExtension();
const Gettext = imports.gettext.domain('gnome-shell-extensions');
const _ = Gettext.gettext;
const ICON_TEXTURE_SIZE = 24;
const DND_ACTIVATE_TIMEOUT = 500;
const GroupingMode = {
NEVER: 0,
AUTO: 1,
ALWAYS: 2
};
function _minimizeOrActivateWindow(window) {
let focusWindow = global.display.focus_window;
if (focusWindow == window ||
focusWindow && focusWindow.get_transient_for() == window)
window.minimize();
else
window.activate(global.get_current_time());
}
function _openMenu(menu) {
menu.open();
let event = Clutter.get_current_event();
if (event && event.type() == Clutter.EventType.KEY_RELEASE)
menu.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
}
function _onMenuStateChanged(menu, isOpen) {
if (isOpen)
return;
let [x, y] = global.get_pointer();
let actor = global.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE, x, y);
if (Me.stateObj.someWindowListContains(actor))
actor.sync_hover();
}
function _getAppStableSequence(app) {
let windows = app.get_windows().filter(w => !w.skip_taskbar);
return windows.reduce((prev, cur) => {
return Math.min(prev, cur.get_stable_sequence());
}, Infinity);
}
class WindowContextMenu extends PopupMenu.PopupMenu {
constructor(source, metaWindow) {
super(source, 0.5, St.Side.BOTTOM);
this._metaWindow = metaWindow;
this._minimizeItem = new PopupMenu.PopupMenuItem('');
this._minimizeItem.connect('activate', () => {
if (this._metaWindow.minimized)
this._metaWindow.unminimize();
else
this._metaWindow.minimize();
});
this.addMenuItem(this._minimizeItem);
this._notifyMinimizedId =
this._metaWindow.connect('notify::minimized',
this._updateMinimizeItem.bind(this));
this._updateMinimizeItem();
this._maximizeItem = new PopupMenu.PopupMenuItem('');
this._maximizeItem.connect('activate', () => {
if (this._metaWindow.get_maximized() == Meta.MaximizeFlags.BOTH)
this._metaWindow.unmaximize(Meta.MaximizeFlags.BOTH);
else
this._metaWindow.maximize(Meta.MaximizeFlags.BOTH);
});
this.addMenuItem(this._maximizeItem);
this._notifyMaximizedHId =
this._metaWindow.connect('notify::maximized-horizontally',
this._updateMaximizeItem.bind(this));
this._notifyMaximizedVId =
this._metaWindow.connect('notify::maximized-vertically',
this._updateMaximizeItem.bind(this));
this._updateMaximizeItem();
this._closeItem = new PopupMenu.PopupMenuItem(_('Close'));
this._closeItem.connect('activate', () => {
this._metaWindow.delete(global.get_current_time());
});
this.addMenuItem(this._closeItem);
this.actor.connect('destroy', this._onDestroy.bind(this));
this.connect('open-state-changed', () => {
if (!this.isOpen)
return;
this._minimizeItem.setSensitive(this._metaWindow.can_minimize());
this._maximizeItem.setSensitive(this._metaWindow.can_maximize());
this._closeItem.setSensitive(this._metaWindow.can_close());
});
}
_updateMinimizeItem() {
this._minimizeItem.label.text = this._metaWindow.minimized ?
_('Unminimize') : _('Minimize');
}
_updateMaximizeItem() {
let maximized = this._metaWindow.maximized_vertically &&
this._metaWindow.maximized_horizontally;
this._maximizeItem.label.text = maximized ?
_('Unmaximize') : _('Maximize');
}
_onDestroy() {
this._metaWindow.disconnect(this._notifyMinimizedId);
this._metaWindow.disconnect(this._notifyMaximizedHId);
this._metaWindow.disconnect(this._notifyMaximizedVId);
}
}
class WindowTitle {
constructor(metaWindow) {
this._metaWindow = metaWindow;
this.actor = new St.BoxLayout({
style_class: 'window-button-box',
x_expand: true,
y_expand: true
});
this._icon = new St.Bin({ style_class: 'window-button-icon' });
this.actor.add(this._icon);
this.label_actor = new St.Label({ y_align: Clutter.ActorAlign.CENTER });
this.actor.add(this.label_actor);
this._textureCache = St.TextureCache.get_default();
this._iconThemeChangedId =
this._textureCache.connect('icon-theme-changed',
this._updateIcon.bind(this));
this._notifyWmClass =
this._metaWindow.connect_after('notify::wm-class',
this._updateIcon.bind(this));
this._notifyAppId =
this._metaWindow.connect_after('notify::gtk-application-id',
this._updateIcon.bind(this));
this._updateIcon();
this.actor.connect('destroy', this._onDestroy.bind(this));
this._notifyTitleId =
this._metaWindow.connect('notify::title',
this._updateTitle.bind(this));
this._notifyMinimizedId =
this._metaWindow.connect('notify::minimized',
this._minimizedChanged.bind(this));
this._minimizedChanged();
}
_minimizedChanged() {
this._icon.opacity = this._metaWindow.minimized ? 128 : 255;
this._updateTitle();
}
_updateTitle() {
if (!this._metaWindow.title)
return;
if (this._metaWindow.minimized)
this.label_actor.text = '[%s]'.format(this._metaWindow.title);
else
this.label_actor.text = this._metaWindow.title;
}
_updateIcon() {
let app = Shell.WindowTracker.get_default().get_window_app(this._metaWindow);
if (app)
this._icon.child = app.create_icon_texture(ICON_TEXTURE_SIZE);
else
this._icon.child = new St.Icon({
icon_name: 'icon-missing',
icon_size: ICON_TEXTURE_SIZE
});
}
_onDestroy() {
this._textureCache.disconnect(this._iconThemeChangedId);
this._metaWindow.disconnect(this._notifyTitleId);
this._metaWindow.disconnect(this._notifyMinimizedId);
this._metaWindow.disconnect(this._notifyWmClass);
this._metaWindow.disconnect(this._notifyAppId);
}
}
class BaseButton {
constructor(perMonitor, monitorIndex) {
if (this.constructor === BaseButton)
throw new TypeError('Cannot instantiate abstract class BaseButton');
this._perMonitor = perMonitor;
this._monitorIndex = monitorIndex;
this.actor = new St.Button({
style_class: 'window-button',
x_fill: true,
y_fill: true,
can_focus: true,
button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE
});
this.actor._delegate = this;
this.actor.connect('allocation-changed',
this._updateIconGeometry.bind(this));
this.actor.connect('clicked', this._onClicked.bind(this));
this.actor.connect('destroy', this._onDestroy.bind(this));
this.actor.connect('popup-menu', this._onPopupMenu.bind(this));
this._contextMenuManager = new PopupMenu.PopupMenuManager(this);
this._switchWorkspaceId =
global.window_manager.connect('switch-workspace',
this._updateVisibility.bind(this));
if (this._perMonitor) {
this._windowEnteredMonitorId =
global.display.connect('window-entered-monitor',
this._windowEnteredOrLeftMonitor.bind(this));
this._windowLeftMonitorId =
global.display.connect('window-left-monitor',
this._windowEnteredOrLeftMonitor.bind(this));
}
}
get active() {
return this.actor.has_style_class_name('focused');
}
activate() {
if (this.active)
return;
this._onClicked(this.actor, 1);
}
_onClicked(_actor, _button) {
throw new Error('Not implemented');
}
_canOpenPopupMenu() {
return true;
}
_onPopupMenu(_actor) {
if (!this._canOpenPopupMenu() || this._contextMenu.isOpen)
return;
_openMenu(this._contextMenu);
}
_isFocused() {
throw new Error('Not implemented');
}
_updateStyle() {
if (this._isFocused())
this.actor.add_style_class_name('focused');
else
this.actor.remove_style_class_name('focused');
}
_windowEnteredOrLeftMonitor(_metaDisplay, _monitorIndex, _metaWindow) {
throw new Error('Not implemented');
}
_isWindowVisible(window) {
let workspace = global.workspace_manager.get_active_workspace();
return !window.skip_taskbar &&
window.located_on_workspace(workspace) &&
(!this._perMonitor || window.get_monitor() == this._monitorIndex);
}
_updateVisibility() {
throw new Error('Not implemented');
}
_getIconGeometry() {
let rect = new Meta.Rectangle();
[rect.x, rect.y] = this.actor.get_transformed_position();
[rect.width, rect.height] = this.actor.get_transformed_size();
return rect;
}
_updateIconGeometry() {
throw new Error('Not implemented');
}
_onDestroy() {
global.window_manager.disconnect(this._switchWorkspaceId);
if (this._windowEnteredMonitorId)
global.display.disconnect(this._windowEnteredMonitorId);
this._windowEnteredMonitorId = 0;
if (this._windowLeftMonitorId)
global.display.disconnect(this._windowLeftMonitorId);
this._windowLeftMonitorId = 0;
}
}
class WindowButton extends BaseButton {
constructor(metaWindow, perMonitor, monitorIndex) {
super(perMonitor, monitorIndex);
this.metaWindow = metaWindow;
this._updateVisibility();
this._windowTitle = new WindowTitle(this.metaWindow);
this.actor.set_child(this._windowTitle.actor);
this.actor.label_actor = this._windowTitle.label_actor;
this._contextMenu = new WindowContextMenu(this.actor, this.metaWindow);
this._contextMenu.connect('open-state-changed', _onMenuStateChanged);
this._contextMenu.actor.hide();
this._contextMenuManager.addMenu(this._contextMenu);
Main.uiGroup.add_actor(this._contextMenu.actor);
this._workspaceChangedId =
this.metaWindow.connect('workspace-changed',
this._updateVisibility.bind(this));
this._notifyFocusId =
global.display.connect('notify::focus-window',
this._updateStyle.bind(this));
this._updateStyle();
}
_onClicked(actor, button) {
if (this._contextMenu.isOpen) {
this._contextMenu.close();
return;
}
if (button == 1)
_minimizeOrActivateWindow(this.metaWindow);
else
_openMenu(this._contextMenu);
}
_isFocused() {
return global.display.focus_window == this.metaWindow;
}
_updateStyle() {
super._updateStyle();
if (this.metaWindow.minimized)
this.actor.add_style_class_name('minimized');
else
this.actor.remove_style_class_name('minimized');
}
_windowEnteredOrLeftMonitor(metaDisplay, monitorIndex, metaWindow) {
if (monitorIndex == this._monitorIndex && metaWindow == this.metaWindow)
this._updateVisibility();
}
_updateVisibility() {
this.actor.visible = this._isWindowVisible(this.metaWindow);
}
_updateIconGeometry() {
this.metaWindow.set_icon_geometry(this._getIconGeometry());
}
_onDestroy() {
super._onDestroy();
this.metaWindow.disconnect(this._workspaceChangedId);
global.display.disconnect(this._notifyFocusId);
this._contextMenu.destroy();
}
}
class AppContextMenu extends PopupMenu.PopupMenu {
constructor(source, appButton) {
super(source, 0.5, St.Side.BOTTOM);
this._appButton = appButton;
this._minimizeItem = new PopupMenu.PopupMenuItem(_('Minimize all'));
this._minimizeItem.connect('activate', () => {
this._appButton.getWindowList().forEach(w => w.minimize());
});
this.addMenuItem(this._minimizeItem);
this._unminimizeItem = new PopupMenu.PopupMenuItem(_('Unminimize all'));
this._unminimizeItem.connect('activate', () => {
this._appButton.getWindowList().forEach(w => w.unminimize());
});
this.addMenuItem(this._unminimizeItem);
this._maximizeItem = new PopupMenu.PopupMenuItem(_('Maximize all'));
this._maximizeItem.connect('activate', () => {
this._appButton.getWindowList().forEach(w => {
w.maximize(Meta.MaximizeFlags.BOTH);
});
});
this.addMenuItem(this._maximizeItem);
this._unmaximizeItem = new PopupMenu.PopupMenuItem(_('Unmaximize all'));
this._unmaximizeItem.connect('activate', () => {
this._appButton.getWindowList().forEach(w => {
w.unmaximize(Meta.MaximizeFlags.BOTH);
});
});
this.addMenuItem(this._unmaximizeItem);
let item = new PopupMenu.PopupMenuItem(_('Close all'));
item.connect('activate', () => {
this._appButton.getWindowList().forEach(w => {
w.delete(global.get_current_time());
});
});
this.addMenuItem(item);
}
open(animate) {
let windows = this._appButton.getWindowList();
this._minimizeItem.actor.visible = windows.some(w => !w.minimized);
this._unminimizeItem.actor.visible = windows.some(w => w.minimized);
this._maximizeItem.actor.visible = windows.some(w => {
return w.get_maximized() != Meta.MaximizeFlags.BOTH;
});
this._unmaximizeItem.actor.visible = windows.some(w => {
return w.get_maximized() == Meta.MaximizeFlags.BOTH;
});
super.open(animate);
}
}
class AppButton extends BaseButton {
constructor(app, perMonitor, monitorIndex) {
super(perMonitor, monitorIndex);
this.app = app;
this._updateVisibility();
let stack = new St.Widget({ layout_manager: new Clutter.BinLayout() });
this.actor.set_child(stack);
this._singleWindowTitle = new St.Bin({
x_expand: true,
y_fill: true,
x_align: St.Align.START
});
stack.add_actor(this._singleWindowTitle);
this._multiWindowTitle = new St.BoxLayout({
style_class: 'window-button-box',
x_expand: true
});
stack.add_actor(this._multiWindowTitle);
this._icon = new St.Bin({
style_class: 'window-button-icon',
child: app.create_icon_texture(ICON_TEXTURE_SIZE)
});
this._multiWindowTitle.add(this._icon);
let label = new St.Label({
text: app.get_name(),
y_align: Clutter.ActorAlign.CENTER
});
this._multiWindowTitle.add(label);
this._multiWindowTitle.label_actor = label;
this._menuManager = new PopupMenu.PopupMenuManager(this);
this._menu = new PopupMenu.PopupMenu(this.actor, 0.5, St.Side.BOTTOM);
this._menu.connect('open-state-changed', _onMenuStateChanged);
this._menu.actor.hide();
this._menu.connect('activate', this._onMenuActivate.bind(this));
this._menuManager.addMenu(this._menu);
Main.uiGroup.add_actor(this._menu.actor);
this._appContextMenu = new AppContextMenu(this.actor, this);
this._appContextMenu.connect('open-state-changed', _onMenuStateChanged);
this._appContextMenu.actor.hide();
Main.uiGroup.add_actor(this._appContextMenu.actor);
this._textureCache = St.TextureCache.get_default();
this._iconThemeChangedId =
this._textureCache.connect('icon-theme-changed', () => {
this._icon.child = app.create_icon_texture(ICON_TEXTURE_SIZE);
});
this._windowsChangedId =
this.app.connect('windows-changed',
this._windowsChanged.bind(this));
this._windowsChanged();
this._windowTracker = Shell.WindowTracker.get_default();
this._notifyFocusId =
this._windowTracker.connect('notify::focus-app',
this._updateStyle.bind(this));
this._updateStyle();
}
_windowEnteredOrLeftMonitor(metaDisplay, monitorIndex, metaWindow) {
if (this._windowTracker.get_window_app(metaWindow) == this.app &&
monitorIndex == this._monitorIndex) {
this._updateVisibility();
this._windowsChanged();
}
}
_updateVisibility() {
if (!this._perMonitor) {
// fast path: use ShellApp API to avoid iterating over all windows.
let workspace = global.workspace_manager.get_active_workspace();
this.actor.visible = this.app.is_on_workspace(workspace);
} else {
this.actor.visible = this.getWindowList().length >= 1;
}
}
_isFocused() {
return this._windowTracker.focus_app == this.app;
}
_updateIconGeometry() {
let rect = this._getIconGeometry();
let windows = this.app.get_windows();
windows.forEach(w => w.set_icon_geometry(rect));
}
getWindowList() {
return this.app.get_windows().filter(win => this._isWindowVisible(win));
}
_windowsChanged() {
let windows = this.getWindowList();
this._singleWindowTitle.visible = windows.length == 1;
this._multiWindowTitle.visible = !this._singleWindowTitle.visible;
if (this._singleWindowTitle.visible) {
if (!this._windowTitle) {
this.metaWindow = windows[0];
this._windowTitle = new WindowTitle(this.metaWindow);
this._singleWindowTitle.child = this._windowTitle.actor;
this._windowContextMenu = new WindowContextMenu(this.actor, this.metaWindow);
this._windowContextMenu.connect('open-state-changed',
_onMenuStateChanged);
Main.uiGroup.add_actor(this._windowContextMenu.actor);
this._windowContextMenu.actor.hide();
this._contextMenuManager.addMenu(this._windowContextMenu);
}
this._contextMenuManager.removeMenu(this._appContextMenu);
this._contextMenu = this._windowContextMenu;
this.actor.label_actor = this._windowTitle.label_actor;
} else {
if (this._windowTitle) {
this.metaWindow = null;
this._singleWindowTitle.child = null;
this._windowTitle = null;
this._windowContextMenu.destroy();
this._windowContextMenu = null;
}
this._contextMenu = this._appContextMenu;
this._contextMenuManager.addMenu(this._appContextMenu);
this.actor.label_actor = this._multiWindowTitle.label_actor;
}
}
_onClicked(actor, button) {
let menuWasOpen = this._menu.isOpen;
if (menuWasOpen)
this._menu.close();
let contextMenuWasOpen = this._contextMenu.isOpen;
if (contextMenuWasOpen)
this._contextMenu.close();
if (button == 1) {
if (menuWasOpen)
return;
let windows = this.getWindowList();
if (windows.length == 1) {
if (contextMenuWasOpen)
return;
_minimizeOrActivateWindow(windows[0]);
} else {
this._menu.removeAll();
for (let i = 0; i < windows.length; i++) {
let windowTitle = new WindowTitle(windows[i]);
let item = new PopupMenu.PopupBaseMenuItem();
item.actor.add_actor(windowTitle.actor);
item._window = windows[i];
this._menu.addMenuItem(item);
}
_openMenu(this._menu);
}
} else {
if (contextMenuWasOpen)
return;
_openMenu(this._contextMenu);
}
}
_canOpenPopupMenu() {
return !this._menu.isOpen;
}
_onMenuActivate(menu, child) {
child._window.activate(global.get_current_time());
}
_onDestroy() {
super._onDestroy();
this._textureCache.disconnect(this._iconThemeChangedId);
this._windowTracker.disconnect(this._notifyFocusId);
this.app.disconnect(this._windowsChangedId);
this._menu.destroy();
}
}
let WorkspaceIndicator = GObject.registerClass(
class WorkspaceIndicator extends PanelMenu.Button {
_init() {
super._init(0.0, _('Workspace Indicator'), true);
this.setMenu(new PopupMenu.PopupMenu(this, 0.0, St.Side.BOTTOM));
this.add_style_class_name('window-list-workspace-indicator');
this.menu.actor.remove_style_class_name('panel-menu');
let container = new St.Widget({
layout_manager: new Clutter.BinLayout(),
x_expand: true,
y_expand: true
});
this.add_actor(container);
let workspaceManager = global.workspace_manager;
this._currentWorkspace = workspaceManager.get_active_workspace().index();
this.statusLabel = new St.Label({
text: this._getStatusText(),
x_align: Clutter.ActorAlign.CENTER,
y_align: Clutter.ActorAlign.CENTER
});
container.add_actor(this.statusLabel);
this.workspacesItems = [];
this._workspaceManagerSignals = [];
this._workspaceManagerSignals.push(workspaceManager.connect('notify::n-workspaces',
this._updateMenu.bind(this)));
this._workspaceManagerSignals.push(workspaceManager.connect_after('workspace-switched',
this._updateIndicator.bind(this)));
this.connect('scroll-event', this._onScrollEvent.bind(this));
this._updateMenu();
this._settings = new Gio.Settings({ schema_id: 'org.gnome.desktop.wm.preferences' });
this._settingsChangedId =
this._settings.connect('changed::workspace-names',
this._updateMenu.bind(this));
}
_onDestroy() {
for (let i = 0; i < this._workspaceManagerSignals.length; i++)
global.workspace_manager.disconnect(this._workspaceManagerSignals[i]);
if (this._settingsChangedId) {
this._settings.disconnect(this._settingsChangedId);
this._settingsChangedId = 0;
}
super._onDestroy();
}
_updateIndicator() {
this.workspacesItems[this._currentWorkspace].setOrnament(PopupMenu.Ornament.NONE);
this._currentWorkspace = global.workspace_manager.get_active_workspace().index();
this.workspacesItems[this._currentWorkspace].setOrnament(PopupMenu.Ornament.DOT);
this.statusLabel.set_text(this._getStatusText());
}
_getStatusText() {
let workspaceManager = global.workspace_manager;
let current = workspaceManager.get_active_workspace().index();
let total = workspaceManager.n_workspaces;
return '%d / %d'.format(current + 1, total);
}
_updateMenu() {
let workspaceManager = global.workspace_manager;
this.menu.removeAll();
this.workspacesItems = [];
this._currentWorkspace = workspaceManager.get_active_workspace().index();
for (let i = 0; i < workspaceManager.n_workspaces; i++) {
let name = Meta.prefs_get_workspace_name(i);
let item = new PopupMenu.PopupMenuItem(name);
item.workspaceId = i;
item.connect('activate', (item, _event) => {
this._activate(item.workspaceId);
});
if (i == this._currentWorkspace)
item.setOrnament(PopupMenu.Ornament.DOT);
this.menu.addMenuItem(item);
this.workspacesItems[i] = item;
}
this.statusLabel.set_text(this._getStatusText());
}
_activate(index) {
let workspaceManager = global.workspace_manager;
if (index >= 0 && index < workspaceManager.n_workspaces) {
let metaWorkspace = workspaceManager.get_workspace_by_index(index);
metaWorkspace.activate(global.get_current_time());
}
}
_onScrollEvent(actor, event) {
let direction = event.get_scroll_direction();
let diff = 0;
if (direction == Clutter.ScrollDirection.DOWN) {
diff = 1;
} else if (direction == Clutter.ScrollDirection.UP) {
diff = -1;
} else {
return;
}
let newIndex = this._currentWorkspace + diff;
this._activate(newIndex);
}
_allocate(actor, box, flags) {
if (actor.get_n_children() > 0)
actor.get_first_child().allocate(box, flags);
}
});
class WindowList {
constructor(perMonitor, monitor) {
this._perMonitor = perMonitor;
this._monitor = monitor;
this.actor = new St.Widget({
name: 'panel',
style_class: 'bottom-panel solid',
reactive: true,
track_hover: true,
layout_manager: new Clutter.BinLayout()
});
this.actor.connect('destroy', this._onDestroy.bind(this));
let box = new St.BoxLayout({ x_expand: true, y_expand: true });
this.actor.add_actor(box);
let layout = new Clutter.BoxLayout({ homogeneous: true });
this._windowList = new St.Widget({
style_class: 'window-list',
reactive: true,
layout_manager: layout,
x_align: Clutter.ActorAlign.START,
x_expand: true,
y_expand: true
});
box.add(this._windowList, { expand: true });
this._windowList.connect('style-changed', () => {
let node = this._windowList.get_theme_node();
let spacing = node.get_length('spacing');
this._windowList.layout_manager.spacing = spacing;
});
this._windowList.connect('scroll-event', this._onScrollEvent.bind(this));
let indicatorsBox = new St.BoxLayout({ x_align: Clutter.ActorAlign.END });
box.add(indicatorsBox);
this._workspaceIndicator = new WorkspaceIndicator();
indicatorsBox.add(this._workspaceIndicator.container, { expand: false, y_fill: true });
this._mutterSettings = new Gio.Settings({ schema_id: 'org.gnome.mutter' });
this._workspacesOnlyOnPrimaryChangedId =
this._mutterSettings.connect('changed::workspaces-only-on-primary',
this._updateWorkspaceIndicatorVisibility.bind(this));
this._dynamicWorkspacesChangedId =
this._mutterSettings.connect('changed::dynamic-workspaces',
this._updateWorkspaceIndicatorVisibility.bind(this));
this._updateWorkspaceIndicatorVisibility();
this._menuManager = new PopupMenu.PopupMenuManager(this);
this._menuManager.addMenu(this._workspaceIndicator.menu);
Main.layoutManager.addChrome(this.actor, {
affectsStruts: true,
trackFullscreen: true
});
Main.uiGroup.set_child_above_sibling(this.actor, Main.layoutManager.panelBox);
Main.ctrlAltTabManager.addGroup(this.actor, _('Window List'), 'start-here-symbolic');
this.actor.width = this._monitor.width;
this.actor.connect('notify::height', this._updatePosition.bind(this));
this._updatePosition();
this._appSystem = Shell.AppSystem.get_default();
this._appStateChangedId =
this._appSystem.connect('app-state-changed',
this._onAppStateChanged.bind(this));
this._keyboardVisiblechangedId =
Main.layoutManager.connect('keyboard-visible-changed',
(o, state) => {
Main.layoutManager.keyboardBox.visible = state;
let keyboardBox = Main.layoutManager.keyboardBox;
keyboardBox.visible = state;
if (state)
Main.uiGroup.set_child_above_sibling(this.actor, keyboardBox);
else
Main.uiGroup.set_child_above_sibling(this.actor,
Main.layoutManager.panelBox);
this._updateKeyboardAnchor();
});
let workspaceManager = global.workspace_manager;
this._workspaceSignals = new Map();
this._nWorkspacesChangedId =
workspaceManager.connect('notify::n-workspaces',
this._onWorkspacesChanged.bind(this));
this._onWorkspacesChanged();
this._switchWorkspaceId =
global.window_manager.connect('switch-workspace',
this._checkGrouping.bind(this));
this._overviewShowingId =
Main.overview.connect('showing', () => {
this.actor.hide();
this._updateKeyboardAnchor();
});
this._overviewHidingId =
Main.overview.connect('hiding', () => {
this.actor.visible = !Main.layoutManager.primaryMonitor.inFullscreen;
this._updateKeyboardAnchor();
});
this._fullscreenChangedId =
global.display.connect('in-fullscreen-changed', () => {
this._updateKeyboardAnchor();
});
this._dragBeginId =
Main.xdndHandler.connect('drag-begin',
this._onDragBegin.bind(this));
this._dragEndId =
Main.xdndHandler.connect('drag-end',
this._onDragEnd.bind(this));
this._dragMonitor = {
dragMotion: this._onDragMotion.bind(this)
};
this._dndTimeoutId = 0;
this._dndWindow = null;
this._settings = ExtensionUtils.getSettings();
this._groupingModeChangedId =
this._settings.connect('changed::grouping-mode',
this._groupingModeChanged.bind(this));
this._grouped = undefined;
this._groupingModeChanged();
}
_onScrollEvent(actor, event) {
let direction = event.get_scroll_direction();
let diff = 0;
if (direction == Clutter.ScrollDirection.DOWN)
diff = 1;
else if (direction == Clutter.ScrollDirection.UP)
diff = -1;
else
return;
let children = this._windowList.get_children()
.filter(c => c.visible)
.map(a => a._delegate);
let active = children.findIndex(c => c.active);
let newActive = Math.max(0, Math.min(active + diff, children.length - 1));
children[newActive].activate();
}
_updatePosition() {
this.actor.set_position(this._monitor.x,
this._monitor.y + this._monitor.height - this.actor.height);
}
_updateWorkspaceIndicatorVisibility() {
let workspaceManager = global.workspace_manager;
let hasWorkspaces = this._mutterSettings.get_boolean('dynamic-workspaces') ||
workspaceManager.n_workspaces > 1;
let workspacesOnMonitor = this._monitor == Main.layoutManager.primaryMonitor ||
!this._mutterSettings.get_boolean('workspaces-only-on-primary');
this._workspaceIndicator.actor.visible = hasWorkspaces && workspacesOnMonitor;
}
_getPreferredUngroupedWindowListWidth() {
if (this._windowList.get_n_children() == 0)
return this._windowList.get_preferred_width(-1)[1];
let children = this._windowList.get_children();
let [, childWidth] = children[0].get_preferred_width(-1);
let spacing = this._windowList.layout_manager.spacing;
let workspace = global.workspace_manager.get_active_workspace();
let windows = global.display.get_tab_list(Meta.TabList.NORMAL, workspace);
if (this._perMonitor)
windows = windows.filter(w => w.get_monitor() == this._monitor.index);
let nWindows = windows.length;
if (nWindows == 0)
return this._windowList.get_preferred_width(-1)[1];
return nWindows * childWidth + (nWindows - 1) * spacing;
}
_getMaxWindowListWidth() {
let indicatorsBox = this._workspaceIndicator.actor.get_parent();
return this.actor.width - indicatorsBox.get_preferred_width(-1)[1];
}
_groupingModeChanged() {
this._groupingMode = this._settings.get_enum('grouping-mode');
if (this._groupingMode == GroupingMode.AUTO) {
this._checkGrouping();
} else {
this._grouped = this._groupingMode == GroupingMode.ALWAYS;
this._populateWindowList();
}
}
_checkGrouping() {
if (this._groupingMode != GroupingMode.AUTO)
return;
let maxWidth = this._getMaxWindowListWidth();
let natWidth = this._getPreferredUngroupedWindowListWidth();
let grouped = (maxWidth < natWidth);
if (this._grouped !== grouped) {
this._grouped = grouped;
this._populateWindowList();
}
}
_populateWindowList() {
this._windowList.destroy_all_children();
if (!this._grouped) {
let windows = global.get_window_actors().sort((w1, w2) => {
return w1.metaWindow.get_stable_sequence() -
w2.metaWindow.get_stable_sequence();
});
for (let i = 0; i < windows.length; i++)
this._onWindowAdded(null, windows[i].metaWindow);
} else {
let apps = this._appSystem.get_running().sort((a1, a2) => {
return _getAppStableSequence(a1) -
_getAppStableSequence(a2);
});
for (let i = 0; i < apps.length; i++)
this._addApp(apps[i]);
}
}
_updateKeyboardAnchor() {
if (!Main.keyboard.actor)
return;
let anchorY = Main.overview.visible ? 0 : this.actor.height;
Main.keyboard.actor.anchor_y = anchorY;
}
_onAppStateChanged(appSys, app) {
if (!this._grouped)
return;
if (app.state == Shell.AppState.RUNNING)
this._addApp(app);
else if (app.state == Shell.AppState.STOPPED)
this._removeApp(app);
}
_addApp(app) {
let button = new AppButton(app, this._perMonitor, this._monitor.index);
this._windowList.layout_manager.pack(button.actor,
true, true, true,
Clutter.BoxAlignment.START,
Clutter.BoxAlignment.START);
}
_removeApp(app) {
let children = this._windowList.get_children();
let child = children.find(c => c._delegate.app == app);
if (child)
child.destroy();
}
_onWindowAdded(ws, win) {
if (win.skip_taskbar)
return;
if (!this._grouped)
this._checkGrouping();
if (this._grouped)
return;
let children = this._windowList.get_children();
if (children.find(c => c._delegate.metaWindow == win))
return;
let button = new WindowButton(win, this._perMonitor, this._monitor.index);
this._windowList.layout_manager.pack(button.actor,
true, true, true,
Clutter.BoxAlignment.START,
Clutter.BoxAlignment.START);
}
_onWindowRemoved(ws, win) {
if (this._grouped)
this._checkGrouping();
if (this._grouped)
return;
if (win.get_compositor_private())
return; // not actually removed, just moved to another workspace
let children = this._windowList.get_children();
let child = children.find(c => c._delegate.metaWindow == win);
if (child)
child.destroy();
}
_onWorkspacesChanged() {
let workspaceManager = global.workspace_manager;
let numWorkspaces = workspaceManager.n_workspaces;
for (let i = 0; i < numWorkspaces; i++) {
let workspace = workspaceManager.get_workspace_by_index(i);
if (this._workspaceSignals.has(workspace))
continue;
let signals = { windowAddedId: 0, windowRemovedId: 0 };
signals._windowAddedId =
workspace.connect_after('window-added',
this._onWindowAdded.bind(this));
signals._windowRemovedId =
workspace.connect('window-removed',
this._onWindowRemoved.bind(this));
this._workspaceSignals.set(workspace, signals);
}
this._updateWorkspaceIndicatorVisibility();
}
_disconnectWorkspaceSignals() {
let workspaceManager = global.workspace_manager;
let numWorkspaces = workspaceManager.n_workspaces;
for (let i = 0; i < numWorkspaces; i++) {
let workspace = workspaceManager.get_workspace_by_index(i);
let signals = this._workspaceSignals.get(workspace);
this._workspaceSignals.delete(workspace);
workspace.disconnect(signals._windowAddedId);
workspace.disconnect(signals._windowRemovedId);
}
}
_onDragBegin() {
DND.addDragMonitor(this._dragMonitor);
}
_onDragEnd() {
DND.removeDragMonitor(this._dragMonitor);
this._removeActivateTimeout();
}
_onDragMotion(dragEvent) {
if (Main.overview.visible ||
!this.actor.contains(dragEvent.targetActor)) {
this._removeActivateTimeout();
return DND.DragMotionResult.CONTINUE;
}
let hoveredWindow = null;
if (dragEvent.targetActor._delegate)
hoveredWindow = dragEvent.targetActor._delegate.metaWindow;
if (!hoveredWindow ||
this._dndWindow == hoveredWindow)
return DND.DragMotionResult.CONTINUE;
this._removeActivateTimeout();
this._dndWindow = hoveredWindow;
this._dndTimeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT,
DND_ACTIVATE_TIMEOUT,
this._activateWindow.bind(this));
return DND.DragMotionResult.CONTINUE;
}
_removeActivateTimeout() {
if (this._dndTimeoutId)
GLib.source_remove (this._dndTimeoutId);
this._dndTimeoutId = 0;
this._dndWindow = null;
}
_activateWindow() {
let [x, y] = global.get_pointer();
let pickedActor = global.stage.get_actor_at_pos(Clutter.PickMode.ALL, x, y);
if (this._dndWindow && this.actor.contains(pickedActor))
this._dndWindow.activate(global.get_current_time());
this._dndWindow = null;
this._dndTimeoutId = 0;
return false;
}
_onDestroy() {
this._mutterSettings.disconnect(this._workspacesOnlyOnPrimaryChangedId);
this._mutterSettings.disconnect(this._dynamicWorkspacesChangedId);
this._workspaceIndicator.destroy();
Main.ctrlAltTabManager.removeGroup(this.actor);
this._appSystem.disconnect(this._appStateChangedId);
this._appStateChangedId = 0;
Main.layoutManager.disconnect(this._keyboardVisiblechangedId);
this._keyboardVisiblechangedId = 0;
Main.layoutManager.hideKeyboard();
this._disconnectWorkspaceSignals();
global.workspace_manager.disconnect(this._nWorkspacesChangedId);
this._nWorkspacesChangedId = 0;
global.window_manager.disconnect(this._switchWorkspaceId);
this._switchWorkspaceId = 0;
Main.overview.disconnect(this._overviewShowingId);
Main.overview.disconnect(this._overviewHidingId);
global.display.disconnect(this._fullscreenChangedId);
Main.xdndHandler.disconnect(this._dragBeginId);
Main.xdndHandler.disconnect(this._dragEndId);
this._settings.disconnect(this._groupingModeChangedId);
let windows = global.get_window_actors();
for (let i = 0; i < windows.length; i++)
windows[i].metaWindow.set_icon_geometry(null);
}
}
class Extension {
constructor() {
this._windowLists = null;
this._injections = {};
}
enable() {
this._windowLists = [];
this._settings = ExtensionUtils.getSettings();
this._showOnAllMonitorsChangedId =
this._settings.connect('changed::show-on-all-monitors',
this._buildWindowLists.bind(this));
this._monitorsChangedId =
Main.layoutManager.connect('monitors-changed',
this._buildWindowLists.bind(this));
this._buildWindowLists();
}
_buildWindowLists() {
this._windowLists.forEach(list => list.actor.destroy());
this._windowLists = [];
let showOnAllMonitors = this._settings.get_boolean('show-on-all-monitors');
Main.layoutManager.monitors.forEach(monitor => {
if (showOnAllMonitors || monitor == Main.layoutManager.primaryMonitor)
this._windowLists.push(new WindowList(showOnAllMonitors, monitor));
});
}
disable() {
if (!this._windowLists)
return;
this._settings.disconnect(this._showOnAllMonitorsChangedId);
this._showOnAllMonitorsChangedId = 0;
Main.layoutManager.disconnect(this._monitorsChangedId);
this._monitorsChangedId = 0;
this._windowLists.forEach(windowList => {
windowList.actor.hide();
windowList.actor.destroy();
});
this._windowLists = null;
}
someWindowListContains(actor) {
return this._windowLists.some(list => list.actor.contains(actor));
}
}
function init() {
return new Extension();
}