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Diffstat (limited to 'js/ui/panel.js')
| -rw-r--r-- | js/ui/panel.js | 774 |
1 files changed, 774 insertions, 0 deletions
diff --git a/js/ui/panel.js b/js/ui/panel.js new file mode 100644 index 0000000..94dffda --- /dev/null +++ b/js/ui/panel.js @@ -0,0 +1,774 @@ +// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- +/* exported Panel */ + +const { Atk, Clutter, GLib, GObject, Meta, Shell, St } = imports.gi; + +const Animation = imports.ui.animation; +const { AppMenu } = imports.ui.appMenu; +const Config = imports.misc.config; +const CtrlAltTab = imports.ui.ctrlAltTab; +const DND = imports.ui.dnd; +const Overview = imports.ui.overview; +const PopupMenu = imports.ui.popupMenu; +const PanelMenu = imports.ui.panelMenu; +const {QuickSettingsMenu, SystemIndicator} = imports.ui.quickSettings; +const Main = imports.ui.main; + +var PANEL_ICON_SIZE = 16; +var APP_MENU_ICON_MARGIN = 0; + +var BUTTON_DND_ACTIVATION_TIMEOUT = 250; + +const N_QUICK_SETTINGS_COLUMNS = 2; + +/** + * AppMenuButton: + * + * This class manages the "application menu" component. It tracks the + * currently focused application. However, when an app is launched, + * this menu also handles startup notification for it. So when we + * have an active startup notification, we switch modes to display that. + */ +var AppMenuButton = GObject.registerClass({ + Signals: { 'changed': {} }, +}, class AppMenuButton extends PanelMenu.Button { + _init(panel) { + super._init(0.0, null, true); + + this.accessible_role = Atk.Role.MENU; + + this._startingApps = []; + + this._menuManager = panel.menuManager; + this._targetApp = null; + + let bin = new St.Bin({ name: 'appMenu' }); + this.add_actor(bin); + + this.bind_property("reactive", this, "can-focus", 0); + this.reactive = false; + + this._container = new St.BoxLayout({ style_class: 'panel-status-menu-box' }); + bin.set_child(this._container); + + let textureCache = St.TextureCache.get_default(); + textureCache.connect('icon-theme-changed', + this._onIconThemeChanged.bind(this)); + + let iconEffect = new Clutter.DesaturateEffect(); + this._iconBox = new St.Bin({ + style_class: 'app-menu-icon', + y_align: Clutter.ActorAlign.CENTER, + }); + this._iconBox.add_effect(iconEffect); + this._container.add_actor(this._iconBox); + + this._iconBox.connect('style-changed', () => { + let themeNode = this._iconBox.get_theme_node(); + iconEffect.enabled = themeNode.get_icon_style() == St.IconStyle.SYMBOLIC; + }); + + this._label = new St.Label({ + y_expand: true, + y_align: Clutter.ActorAlign.CENTER, + }); + this._container.add_actor(this._label); + + this._visible = !Main.overview.visible; + if (!this._visible) + this.hide(); + Main.overview.connectObject( + 'hiding', this._sync.bind(this), + 'showing', this._sync.bind(this), this); + + this._spinner = new Animation.Spinner(PANEL_ICON_SIZE, { + animate: true, + hideOnStop: true, + }); + this._container.add_actor(this._spinner); + + let menu = new AppMenu(this); + this.setMenu(menu); + this._menuManager.addMenu(menu); + + Shell.WindowTracker.get_default().connectObject('notify::focus-app', + this._focusAppChanged.bind(this), this); + Shell.AppSystem.get_default().connectObject('app-state-changed', + this._onAppStateChanged.bind(this), this); + global.window_manager.connectObject('switch-workspace', + this._sync.bind(this), this); + + this._sync(); + } + + fadeIn() { + if (this._visible) + return; + + this._visible = true; + this.reactive = true; + this.remove_all_transitions(); + this.ease({ + opacity: 255, + duration: Overview.ANIMATION_TIME, + mode: Clutter.AnimationMode.EASE_OUT_QUAD, + }); + } + + fadeOut() { + if (!this._visible) + return; + + this._visible = false; + this.reactive = false; + this.remove_all_transitions(); + this.ease({ + opacity: 0, + mode: Clutter.AnimationMode.EASE_OUT_QUAD, + duration: Overview.ANIMATION_TIME, + }); + } + + _syncIcon(app) { + const icon = app.create_icon_texture(PANEL_ICON_SIZE - APP_MENU_ICON_MARGIN); + this._iconBox.set_child(icon); + } + + _onIconThemeChanged() { + if (this._iconBox.child == null) + return; + + if (this._targetApp) + this._syncIcon(this._targetApp); + } + + stopAnimation() { + this._spinner.stop(); + } + + startAnimation() { + this._spinner.play(); + } + + _onAppStateChanged(appSys, app) { + let state = app.state; + if (state != Shell.AppState.STARTING) + this._startingApps = this._startingApps.filter(a => a != app); + else if (state == Shell.AppState.STARTING) + this._startingApps.push(app); + // For now just resync on all running state changes; this is mainly to handle + // cases where the focused window's application changes without the focus + // changing. An example case is how we map OpenOffice.org based on the window + // title which is a dynamic property. + this._sync(); + } + + _focusAppChanged() { + let tracker = Shell.WindowTracker.get_default(); + let focusedApp = tracker.focus_app; + if (!focusedApp) { + // If the app has just lost focus to the panel, pretend + // nothing happened; otherwise you can't keynav to the + // app menu. + if (global.stage.key_focus != null) + return; + } + this._sync(); + } + + _findTargetApp() { + let workspaceManager = global.workspace_manager; + let workspace = workspaceManager.get_active_workspace(); + let tracker = Shell.WindowTracker.get_default(); + let focusedApp = tracker.focus_app; + if (focusedApp && focusedApp.is_on_workspace(workspace)) + return focusedApp; + + for (let i = 0; i < this._startingApps.length; i++) { + if (this._startingApps[i].is_on_workspace(workspace)) + return this._startingApps[i]; + } + + return null; + } + + _sync() { + let targetApp = this._findTargetApp(); + + if (this._targetApp != targetApp) { + this._targetApp?.disconnectObject(this); + + this._targetApp = targetApp; + + if (this._targetApp) { + this._targetApp.connectObject('notify::busy', this._sync.bind(this), this); + this._label.set_text(this._targetApp.get_name()); + this.set_accessible_name(this._targetApp.get_name()); + + this._syncIcon(this._targetApp); + } + } + + let visible = this._targetApp != null && !Main.overview.visibleTarget; + if (visible) + this.fadeIn(); + else + this.fadeOut(); + + let isBusy = this._targetApp != null && + (this._targetApp.get_state() == Shell.AppState.STARTING || + this._targetApp.get_busy()); + if (isBusy) + this.startAnimation(); + else + this.stopAnimation(); + + this.reactive = visible && !isBusy; + + this.menu.setApp(this._targetApp); + this.emit('changed'); + } +}); + +var ActivitiesButton = GObject.registerClass( +class ActivitiesButton extends PanelMenu.Button { + _init() { + super._init(0.0, null, true); + this.accessible_role = Atk.Role.TOGGLE_BUTTON; + + this.name = 'panelActivities'; + + /* Translators: If there is no suitable word for "Activities" + in your language, you can use the word for "Overview". */ + this._label = new St.Label({ + text: _('Activities'), + y_align: Clutter.ActorAlign.CENTER, + }); + this.add_actor(this._label); + + this.label_actor = this._label; + + Main.overview.connect('showing', () => { + this.add_style_pseudo_class('overview'); + this.add_accessible_state(Atk.StateType.CHECKED); + }); + Main.overview.connect('hiding', () => { + this.remove_style_pseudo_class('overview'); + this.remove_accessible_state(Atk.StateType.CHECKED); + }); + + this._xdndTimeOut = 0; + } + + handleDragOver(source, _actor, _x, _y, _time) { + if (source != Main.xdndHandler) + return DND.DragMotionResult.CONTINUE; + + if (this._xdndTimeOut != 0) + GLib.source_remove(this._xdndTimeOut); + this._xdndTimeOut = GLib.timeout_add(GLib.PRIORITY_DEFAULT, BUTTON_DND_ACTIVATION_TIMEOUT, () => { + this._xdndToggleOverview(); + }); + GLib.Source.set_name_by_id(this._xdndTimeOut, '[gnome-shell] this._xdndToggleOverview'); + + return DND.DragMotionResult.CONTINUE; + } + + vfunc_captured_event(event) { + if (event.type() == Clutter.EventType.BUTTON_PRESS || + event.type() == Clutter.EventType.TOUCH_BEGIN) { + if (!Main.overview.shouldToggleByCornerOrButton()) + return Clutter.EVENT_STOP; + } + return Clutter.EVENT_PROPAGATE; + } + + vfunc_event(event) { + if (event.type() == Clutter.EventType.TOUCH_END || + event.type() == Clutter.EventType.BUTTON_RELEASE) { + if (Main.overview.shouldToggleByCornerOrButton()) + Main.overview.toggle(); + } + + return Clutter.EVENT_PROPAGATE; + } + + vfunc_key_release_event(keyEvent) { + let symbol = keyEvent.keyval; + if (symbol == Clutter.KEY_Return || symbol == Clutter.KEY_space) { + if (Main.overview.shouldToggleByCornerOrButton()) { + Main.overview.toggle(); + return Clutter.EVENT_STOP; + } + } + + return Clutter.EVENT_PROPAGATE; + } + + _xdndToggleOverview() { + let [x, y] = global.get_pointer(); + let pickedActor = global.stage.get_actor_at_pos(Clutter.PickMode.REACTIVE, x, y); + + if (pickedActor == this && Main.overview.shouldToggleByCornerOrButton()) + Main.overview.toggle(); + + GLib.source_remove(this._xdndTimeOut); + this._xdndTimeOut = 0; + return GLib.SOURCE_REMOVE; + } +}); + +const UnsafeModeIndicator = GObject.registerClass( +class UnsafeModeIndicator extends SystemIndicator { + _init() { + super._init(); + + this._indicator = this._addIndicator(); + this._indicator.icon_name = 'channel-insecure-symbolic'; + + global.context.bind_property('unsafe-mode', + this._indicator, 'visible', + GObject.BindingFlags.SYNC_CREATE); + } +}); + +var QuickSettings = GObject.registerClass( +class QuickSettings extends PanelMenu.Button { + _init() { + super._init(0.0, C_('System menu in the top bar', 'System'), true); + + this._indicators = new St.BoxLayout({ + style_class: 'panel-status-indicators-box', + }); + this.add_child(this._indicators); + + this.setMenu(new QuickSettingsMenu(this, N_QUICK_SETTINGS_COLUMNS)); + + if (Config.HAVE_NETWORKMANAGER) + this._network = new imports.ui.status.network.Indicator(); + else + this._network = null; + + if (Config.HAVE_BLUETOOTH) + this._bluetooth = new imports.ui.status.bluetooth.Indicator(); + else + this._bluetooth = null; + + this._system = new imports.ui.status.system.Indicator(); + this._volume = new imports.ui.status.volume.Indicator(); + this._brightness = new imports.ui.status.brightness.Indicator(); + this._remoteAccess = new imports.ui.status.remoteAccess.RemoteAccessApplet(); + this._location = new imports.ui.status.location.Indicator(); + this._thunderbolt = new imports.ui.status.thunderbolt.Indicator(); + this._nightLight = new imports.ui.status.nightLight.Indicator(); + this._darkMode = new imports.ui.status.darkMode.Indicator(); + this._powerProfiles = new imports.ui.status.powerProfiles.Indicator(); + this._rfkill = new imports.ui.status.rfkill.Indicator(); + this._autoRotate = new imports.ui.status.autoRotate.Indicator(); + this._unsafeMode = new UnsafeModeIndicator(); + + this._indicators.add_child(this._brightness); + this._indicators.add_child(this._remoteAccess); + this._indicators.add_child(this._thunderbolt); + this._indicators.add_child(this._location); + this._indicators.add_child(this._nightLight); + if (this._network) + this._indicators.add_child(this._network); + this._indicators.add_child(this._darkMode); + this._indicators.add_child(this._powerProfiles); + if (this._bluetooth) + this._indicators.add_child(this._bluetooth); + this._indicators.add_child(this._rfkill); + this._indicators.add_child(this._autoRotate); + this._indicators.add_child(this._volume); + this._indicators.add_child(this._unsafeMode); + this._indicators.add_child(this._system); + + this._addItems(this._system.quickSettingsItems, N_QUICK_SETTINGS_COLUMNS); + this._addItems(this._volume.quickSettingsItems, N_QUICK_SETTINGS_COLUMNS); + this._addItems(this._brightness.quickSettingsItems, N_QUICK_SETTINGS_COLUMNS); + + this._addItems(this._remoteAccess.quickSettingsItems); + this._addItems(this._thunderbolt.quickSettingsItems); + this._addItems(this._location.quickSettingsItems); + if (this._network) + this._addItems(this._network.quickSettingsItems); + if (this._bluetooth) + this._addItems(this._bluetooth.quickSettingsItems); + this._addItems(this._powerProfiles.quickSettingsItems); + this._addItems(this._nightLight.quickSettingsItems); + this._addItems(this._darkMode.quickSettingsItems); + this._addItems(this._rfkill.quickSettingsItems); + this._addItems(this._autoRotate.quickSettingsItems); + this._addItems(this._unsafeMode.quickSettingsItems); + } + + _addItems(items, colSpan = 1) { + items.forEach(item => this.menu.addItem(item, colSpan)); + } +}); + +const PANEL_ITEM_IMPLEMENTATIONS = { + 'activities': ActivitiesButton, + 'appMenu': AppMenuButton, + 'quickSettings': QuickSettings, + 'dateMenu': imports.ui.dateMenu.DateMenuButton, + 'a11y': imports.ui.status.accessibility.ATIndicator, + 'keyboard': imports.ui.status.keyboard.InputSourceIndicator, + 'dwellClick': imports.ui.status.dwellClick.DwellClickIndicator, + 'screenRecording': imports.ui.status.remoteAccess.ScreenRecordingIndicator, + 'screenSharing': imports.ui.status.remoteAccess.ScreenSharingIndicator, +}; + +var Panel = GObject.registerClass( +class Panel extends St.Widget { + _init() { + super._init({ + name: 'panel', + reactive: true, + }); + + this.set_offscreen_redirect(Clutter.OffscreenRedirect.ALWAYS); + + this._sessionStyle = null; + + this.statusArea = {}; + + this.menuManager = new PopupMenu.PopupMenuManager(this); + + this._leftBox = new St.BoxLayout({ name: 'panelLeft' }); + this.add_child(this._leftBox); + this._centerBox = new St.BoxLayout({ name: 'panelCenter' }); + this.add_child(this._centerBox); + this._rightBox = new St.BoxLayout({ name: 'panelRight' }); + this.add_child(this._rightBox); + + this.connect('button-press-event', this._onButtonPress.bind(this)); + this.connect('touch-event', this._onTouchEvent.bind(this)); + + Main.overview.connect('showing', () => { + this.add_style_pseudo_class('overview'); + }); + Main.overview.connect('hiding', () => { + this.remove_style_pseudo_class('overview'); + }); + + Main.layoutManager.panelBox.add(this); + Main.ctrlAltTabManager.addGroup(this, _("Top Bar"), 'focus-top-bar-symbolic', + { sortGroup: CtrlAltTab.SortGroup.TOP }); + + Main.sessionMode.connect('updated', this._updatePanel.bind(this)); + + global.display.connect('workareas-changed', () => this.queue_relayout()); + this._updatePanel(); + } + + vfunc_get_preferred_width(_forHeight) { + let primaryMonitor = Main.layoutManager.primaryMonitor; + + if (primaryMonitor) + return [0, primaryMonitor.width]; + + return [0, 0]; + } + + vfunc_allocate(box) { + this.set_allocation(box); + + let allocWidth = box.x2 - box.x1; + let allocHeight = box.y2 - box.y1; + + let [, leftNaturalWidth] = this._leftBox.get_preferred_width(-1); + let [, centerNaturalWidth] = this._centerBox.get_preferred_width(-1); + let [, rightNaturalWidth] = this._rightBox.get_preferred_width(-1); + + let sideWidth, centerWidth; + centerWidth = centerNaturalWidth; + + // get workspace area and center date entry relative to it + let monitor = Main.layoutManager.findMonitorForActor(this); + let centerOffset = 0; + if (monitor) { + let workArea = Main.layoutManager.getWorkAreaForMonitor(monitor.index); + centerOffset = 2 * (workArea.x - monitor.x) + workArea.width - monitor.width; + } + + sideWidth = Math.max(0, (allocWidth - centerWidth + centerOffset) / 2); + + let childBox = new Clutter.ActorBox(); + + childBox.y1 = 0; + childBox.y2 = allocHeight; + if (this.get_text_direction() == Clutter.TextDirection.RTL) { + childBox.x1 = Math.max(allocWidth - Math.min(Math.floor(sideWidth), + leftNaturalWidth), + 0); + childBox.x2 = allocWidth; + } else { + childBox.x1 = 0; + childBox.x2 = Math.min(Math.floor(sideWidth), + leftNaturalWidth); + } + this._leftBox.allocate(childBox); + + childBox.x1 = Math.ceil(sideWidth); + childBox.y1 = 0; + childBox.x2 = childBox.x1 + centerWidth; + childBox.y2 = allocHeight; + this._centerBox.allocate(childBox); + + childBox.y1 = 0; + childBox.y2 = allocHeight; + if (this.get_text_direction() == Clutter.TextDirection.RTL) { + childBox.x1 = 0; + childBox.x2 = Math.min(Math.floor(sideWidth), + rightNaturalWidth); + } else { + childBox.x1 = Math.max(allocWidth - Math.min(Math.floor(sideWidth), + rightNaturalWidth), + 0); + childBox.x2 = allocWidth; + } + this._rightBox.allocate(childBox); + } + + _tryDragWindow(event) { + if (Main.modalCount > 0) + return Clutter.EVENT_PROPAGATE; + + const targetActor = global.stage.get_event_actor(event); + if (targetActor !== this) + return Clutter.EVENT_PROPAGATE; + + const [x, y] = event.get_coords(); + let dragWindow = this._getDraggableWindowForPosition(x); + + if (!dragWindow) + return Clutter.EVENT_PROPAGATE; + + const button = event.type() === Clutter.EventType.BUTTON_PRESS + ? event.get_button() : -1; + + return global.display.begin_grab_op( + dragWindow, + Meta.GrabOp.MOVING, + false, /* pointer grab */ + true, /* frame action */ + button, + event.get_state(), + event.get_time(), + x, y) ? Clutter.EVENT_STOP : Clutter.EVENT_PROPAGATE; + } + + _onButtonPress(actor, event) { + if (event.get_button() !== Clutter.BUTTON_PRIMARY) + return Clutter.EVENT_PROPAGATE; + + return this._tryDragWindow(event); + } + + _onTouchEvent(actor, event) { + if (event.type() !== Clutter.EventType.TOUCH_BEGIN) + return Clutter.EVENT_PROPAGATE; + + return this._tryDragWindow(event); + } + + vfunc_key_press_event(keyEvent) { + let symbol = keyEvent.keyval; + if (symbol == Clutter.KEY_Escape) { + global.display.focus_default_window(keyEvent.time); + return Clutter.EVENT_STOP; + } + + return super.vfunc_key_press_event(keyEvent); + } + + _toggleMenu(indicator) { + if (!indicator || !indicator.mapped) + return; // menu not supported by current session mode + + let menu = indicator.menu; + if (!indicator.reactive) + return; + + menu.toggle(); + if (menu.isOpen) + menu.actor.navigate_focus(null, St.DirectionType.TAB_FORWARD, false); + } + + _closeMenu(indicator) { + if (!indicator || !indicator.mapped) + return; // menu not supported by current session mode + + if (!indicator.reactive) + return; + + indicator.menu.close(); + } + + toggleAppMenu() { + this._toggleMenu(this.statusArea.appMenu); + } + + toggleCalendar() { + this._toggleMenu(this.statusArea.dateMenu); + } + + closeCalendar() { + this._closeMenu(this.statusArea.dateMenu); + } + + closeQuickSettings() { + this._closeMenu(this.statusArea.quickSettings); + } + + set boxOpacity(value) { + let isReactive = value > 0; + + this._leftBox.opacity = value; + this._leftBox.reactive = isReactive; + this._centerBox.opacity = value; + this._centerBox.reactive = isReactive; + this._rightBox.opacity = value; + this._rightBox.reactive = isReactive; + } + + get boxOpacity() { + return this._leftBox.opacity; + } + + _updatePanel() { + let panel = Main.sessionMode.panel; + this._hideIndicators(); + this._updateBox(panel.left, this._leftBox); + this._updateBox(panel.center, this._centerBox); + this._updateBox(panel.right, this._rightBox); + + if (panel.left.includes('dateMenu')) + Main.messageTray.bannerAlignment = Clutter.ActorAlign.START; + else if (panel.right.includes('dateMenu')) + Main.messageTray.bannerAlignment = Clutter.ActorAlign.END; + // Default to center if there is no dateMenu + else + Main.messageTray.bannerAlignment = Clutter.ActorAlign.CENTER; + + if (this._sessionStyle) + this.remove_style_class_name(this._sessionStyle); + + this._sessionStyle = Main.sessionMode.panelStyle; + if (this._sessionStyle) + this.add_style_class_name(this._sessionStyle); + } + + _hideIndicators() { + for (let role in PANEL_ITEM_IMPLEMENTATIONS) { + let indicator = this.statusArea[role]; + if (!indicator) + continue; + indicator.container.hide(); + } + } + + _ensureIndicator(role) { + let indicator = this.statusArea[role]; + if (!indicator) { + let constructor = PANEL_ITEM_IMPLEMENTATIONS[role]; + if (!constructor) { + // This icon is not implemented (this is a bug) + return null; + } + indicator = new constructor(this); + this.statusArea[role] = indicator; + } + return indicator; + } + + _updateBox(elements, box) { + let nChildren = box.get_n_children(); + + for (let i = 0; i < elements.length; i++) { + let role = elements[i]; + let indicator = this._ensureIndicator(role); + if (indicator == null) + continue; + + this._addToPanelBox(role, indicator, i + nChildren, box); + } + } + + _addToPanelBox(role, indicator, position, box) { + let container = indicator.container; + container.show(); + + let parent = container.get_parent(); + if (parent) + parent.remove_actor(container); + + + box.insert_child_at_index(container, position); + this.statusArea[role] = indicator; + let destroyId = indicator.connect('destroy', emitter => { + delete this.statusArea[role]; + emitter.disconnect(destroyId); + }); + indicator.connect('menu-set', this._onMenuSet.bind(this)); + this._onMenuSet(indicator); + } + + addToStatusArea(role, indicator, position, box) { + if (this.statusArea[role]) + throw new Error(`Extension point conflict: there is already a status indicator for role ${role}`); + + if (!(indicator instanceof PanelMenu.Button)) + throw new TypeError('Status indicator must be an instance of PanelMenu.Button'); + + position ??= 0; + let boxes = { + left: this._leftBox, + center: this._centerBox, + right: this._rightBox, + }; + let boxContainer = boxes[box] || this._rightBox; + this.statusArea[role] = indicator; + this._addToPanelBox(role, indicator, position, boxContainer); + return indicator; + } + + _onMenuSet(indicator) { + if (!indicator.menu || indicator.menu._openChangedId) + return; + + this.menuManager.addMenu(indicator.menu); + + indicator.menu._openChangedId = indicator.menu.connect('open-state-changed', + (menu, isOpen) => { + let boxAlignment; + if (this._leftBox.contains(indicator.container)) + boxAlignment = Clutter.ActorAlign.START; + else if (this._centerBox.contains(indicator.container)) + boxAlignment = Clutter.ActorAlign.CENTER; + else if (this._rightBox.contains(indicator.container)) + boxAlignment = Clutter.ActorAlign.END; + + if (boxAlignment == Main.messageTray.bannerAlignment) + Main.messageTray.bannerBlocked = isOpen; + }); + } + + _getDraggableWindowForPosition(stageX) { + let workspaceManager = global.workspace_manager; + const windows = workspaceManager.get_active_workspace().list_windows(); + const allWindowsByStacking = + global.display.sort_windows_by_stacking(windows).reverse(); + + return allWindowsByStacking.find(metaWindow => { + let rect = metaWindow.get_frame_rect(); + return metaWindow.is_on_primary_monitor() && + metaWindow.showing_on_its_workspace() && + metaWindow.get_window_type() != Meta.WindowType.DESKTOP && + metaWindow.maximized_vertically && + stageX > rect.x && stageX < rect.x + rect.width; + }); + } +}); |