gnome-shell/js/ui/quickSettings.js

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/* exported QuickToggle, QuickMenuToggle, QuickSlider, QuickSettingsMenu, SystemIndicator */
const {Atk, Clutter, Gio, GLib, GObject, Graphene, Meta, Pango, St} = imports.gi;
const Main = imports.ui.main;
const PopupMenu = imports.ui.popupMenu;
const {Slider} = imports.ui.slider;
const {PopupAnimation} = imports.ui.boxpointer;
const DIM_BRIGHTNESS = -0.4;
const POPUP_ANIMATION_TIME = 400;
var QuickSettingsItem = GObject.registerClass({
Properties: {
'has-menu': GObject.ParamSpec.boolean(
'has-menu', 'has-menu', 'has-menu',
GObject.ParamFlags.READWRITE |
GObject.ParamFlags.CONSTRUCT_ONLY,
false),
},
}, class QuickSettingsItem extends St.Button {
_init(params) {
super._init(params);
if (this.hasMenu) {
this.menu = new QuickToggleMenu(this);
this.menu.actor.hide();
this._menuManager = new PopupMenu.PopupMenuManager(this);
this._menuManager.addMenu(this.menu);
}
}
});
var QuickToggle = GObject.registerClass({
Properties: {
'label': GObject.ParamSpec.override('label', St.Button),
'icon-name': GObject.ParamSpec.override('icon-name', St.Button),
'gicon': GObject.ParamSpec.object('gicon', '', '',
GObject.ParamFlags.READWRITE,
Gio.Icon),
},
}, class QuickToggle extends QuickSettingsItem {
_init(params) {
super._init({
style_class: 'quick-toggle button',
accessible_role: Atk.Role.TOGGLE_BUTTON,
can_focus: true,
...params,
});
this._box = new St.BoxLayout();
this.set_child(this._box);
const iconProps = {};
if (this.gicon)
iconProps['gicon'] = this.gicon;
if (this.iconName)
iconProps['icon-name'] = this.iconName;
this._icon = new St.Icon({
style_class: 'quick-toggle-icon',
x_expand: false,
...iconProps,
});
this._box.add_child(this._icon);
// bindings are in the "wrong" direction, so we
// pick up StIcon's linking of the two properties
this._icon.bind_property('icon-name',
this, 'icon-name',
GObject.BindingFlags.SYNC_CREATE |
GObject.BindingFlags.BIDIRECTIONAL);
this._icon.bind_property('gicon',
this, 'gicon',
GObject.BindingFlags.SYNC_CREATE |
GObject.BindingFlags.BIDIRECTIONAL);
this._label = new St.Label({
style_class: 'quick-toggle-label',
y_align: Clutter.ActorAlign.CENTER,
x_align: Clutter.ActorAlign.START,
x_expand: true,
});
this.label_actor = this._label;
this._box.add_child(this._label);
this._label.clutter_text.ellipsize = Pango.EllipsizeMode.END;
this.bind_property('label',
this._label, 'text',
GObject.BindingFlags.SYNC_CREATE);
}
});
var QuickMenuToggle = GObject.registerClass({
Properties: {
'menu-enabled': GObject.ParamSpec.boolean(
'menu-enabled', '', '',
GObject.ParamFlags.READWRITE,
true),
},
}, class QuickMenuToggle extends QuickToggle {
_init(params) {
super._init({
...params,
hasMenu: true,
});
this.add_style_class_name('quick-menu-toggle');
this._menuButton = new St.Button({
child: new St.Icon({
style_class: 'quick-toggle-arrow',
icon_name: 'go-next-symbolic',
}),
x_expand: false,
y_expand: true,
});
this._box.add_child(this._menuButton);
this.bind_property('menu-enabled',
this._menuButton, 'visible',
GObject.BindingFlags.SYNC_CREATE);
this.bind_property('reactive',
this._menuButton, 'reactive',
GObject.BindingFlags.SYNC_CREATE);
this._menuButton.connect('clicked', () => this.menu.open());
this.connect('popup-menu', () => {
if (this.menuEnabled)
this.menu.open();
});
}
});
var QuickSlider = GObject.registerClass({
Properties: {
'icon-name': GObject.ParamSpec.override('icon-name', St.Button),
'gicon': GObject.ParamSpec.object('gicon', '', '',
GObject.ParamFlags.READWRITE,
Gio.Icon),
'menu-enabled': GObject.ParamSpec.boolean(
'menu-enabled', '', '',
GObject.ParamFlags.READWRITE,
false),
},
}, class QuickSlider extends QuickSettingsItem {
_init(params) {
super._init({
style_class: 'quick-slider',
...params,
can_focus: false,
reactive: false,
hasMenu: true,
});
const box = new St.BoxLayout();
this.set_child(box);
const iconProps = {};
if (this.gicon)
iconProps['gicon'] = this.gicon;
if (this.iconName)
iconProps['icon-name'] = this.iconName;
this._icon = new St.Icon({
style_class: 'quick-toggle-icon',
...iconProps,
});
box.add_child(this._icon);
// bindings are in the "wrong" direction, so we
// pick up StIcon's linking of the two properties
this._icon.bind_property('icon-name',
this, 'icon-name',
GObject.BindingFlags.SYNC_CREATE |
GObject.BindingFlags.BIDIRECTIONAL);
this._icon.bind_property('gicon',
this, 'gicon',
GObject.BindingFlags.SYNC_CREATE |
GObject.BindingFlags.BIDIRECTIONAL);
this.slider = new Slider(0);
// for focus indication
const sliderBin = new St.Bin({
style_class: 'slider-bin',
child: this.slider,
reactive: true,
can_focus: true,
x_expand: true,
y_align: Clutter.ActorAlign.CENTER,
});
box.add_child(sliderBin);
sliderBin.set_accessible(this.slider.get_accessible());
sliderBin.connect('event', (bin, event) => this.slider.event(event, false));
this._menuButton = new St.Button({
child: new St.Icon({icon_name: 'go-next-symbolic'}),
style_class: 'icon-button flat',
can_focus: true,
x_expand: false,
y_expand: true,
});
box.add_child(this._menuButton);
this.bind_property('menu-enabled',
this._menuButton, 'visible',
GObject.BindingFlags.SYNC_CREATE);
this._menuButton.connect('clicked', () => this.menu.open());
this.slider.connect('popup-menu', () => {
if (this.menuEnabled)
this.menu.open();
});
}
});
class QuickToggleMenu extends PopupMenu.PopupMenuBase {
constructor(sourceActor) {
super(sourceActor, 'quick-toggle-menu');
const constraints = new Clutter.BindConstraint({
coordinate: Clutter.BindCoordinate.Y,
source: sourceActor,
});
sourceActor.bind_property('height',
constraints, 'offset',
GObject.BindingFlags.DEFAULT);
this.actor = new St.Widget({
layout_manager: new Clutter.BinLayout(),
style_class: 'quick-toggle-menu-container',
reactive: true,
x_expand: true,
y_expand: false,
constraints,
});
this.actor._delegate = this;
this.actor.add_child(this.box);
global.focus_manager.add_group(this.actor);
const headerLayout = new Clutter.GridLayout();
this._header = new St.Widget({
style_class: 'header',
layout_manager: headerLayout,
visible: false,
});
headerLayout.hookup_style(this._header);
this.box.add_child(this._header);
this._headerIcon = new St.Icon({
style_class: 'icon',
y_align: Clutter.ActorAlign.CENTER,
});
this._headerTitle = new St.Label({
style_class: 'title',
y_align: Clutter.ActorAlign.CENTER,
y_expand: true,
});
this._headerSubtitle = new St.Label({
style_class: 'subtitle',
y_align: Clutter.ActorAlign.CENTER,
});
this._headerSpacer = new Clutter.Actor({x_expand: true});
const side = this.actor.text_direction === Clutter.TextDirection.RTL
? Clutter.GridPosition.LEFT
: Clutter.GridPosition.RIGHT;
headerLayout.attach(this._headerIcon, 0, 0, 1, 2);
headerLayout.attach_next_to(this._headerTitle,
this._headerIcon, side, 1, 1);
headerLayout.attach_next_to(this._headerSpacer,
this._headerTitle, side, 1, 1);
headerLayout.attach_next_to(this._headerSubtitle,
this._headerTitle, Clutter.GridPosition.BOTTOM, 1, 1);
sourceActor.connect('notify::checked',
() => this._syncChecked());
this._syncChecked();
}
setHeader(icon, title, subtitle = '') {
if (icon instanceof Gio.Icon)
this._headerIcon.gicon = icon;
else
this._headerIcon.icon_name = icon;
this._headerTitle.text = title;
this._headerSubtitle.set({
text: subtitle,
visible: !!subtitle,
});
this._header.show();
}
addHeaderSuffix(actor) {
const {layoutManager: headerLayout} = this._header;
const side = this.actor.text_direction === Clutter.TextDirection.RTL
? Clutter.GridPosition.LEFT
: Clutter.GridPosition.RIGHT;
this._header.remove_child(this._headerSpacer);
headerLayout.attach_next_to(actor, this._headerTitle, side, 1, 1);
headerLayout.attach_next_to(this._headerSpacer, actor, side, 1, 1);
}
open(animate) {
if (this.isOpen)
return;
this.actor.show();
this.isOpen = true;
this.actor.height = -1;
const [targetHeight] = this.actor.get_preferred_height(-1);
const duration = animate !== PopupAnimation.NONE
? POPUP_ANIMATION_TIME / 2
: 0;
this.actor.height = 0;
this.box.opacity = 0;
this.actor.ease({
duration,
height: targetHeight,
onComplete: () => {
this.box.ease({
duration,
opacity: 255,
});
this.actor.height = -1;
},
});
this.emit('open-state-changed', true);
}
close(animate) {
if (!this.isOpen)
return;
const duration = animate !== PopupAnimation.NONE
? POPUP_ANIMATION_TIME / 2
: 0;
this.box.ease({
duration,
opacity: 0,
onComplete: () => {
this.actor.ease({
duration,
height: 0,
onComplete: () => {
this.actor.hide();
this.emit('menu-closed');
},
});
},
});
this.isOpen = false;
this.emit('open-state-changed', false);
}
_syncChecked() {
if (this.sourceActor.checked)
this._headerIcon.add_style_class_name('active');
else
this._headerIcon.remove_style_class_name('active');
}
// expected on toplevel menus
_setOpenedSubMenu(submenu) {
this._openedSubMenu?.close(true);
this._openedSubMenu = submenu;
}
}
const QuickSettingsLayoutMeta = GObject.registerClass({
Properties: {
'column-span': GObject.ParamSpec.int(
'column-span', '', '',
GObject.ParamFlags.READWRITE,
1, GLib.MAXINT32, 1),
},
}, class QuickSettingsLayoutMeta extends Clutter.LayoutMeta {});
const QuickSettingsLayout = GObject.registerClass({
Properties: {
'row-spacing': GObject.ParamSpec.int(
'row-spacing', 'row-spacing', 'row-spacing',
GObject.ParamFlags.READWRITE,
0, GLib.MAXINT32, 0),
'column-spacing': GObject.ParamSpec.int(
'column-spacing', 'column-spacing', 'column-spacing',
GObject.ParamFlags.READWRITE,
0, GLib.MAXINT32, 0),
'n-columns': GObject.ParamSpec.int(
'n-columns', 'n-columns', 'n-columns',
GObject.ParamFlags.READWRITE,
1, GLib.MAXINT32, 1),
},
}, class QuickSettingsLayout extends Clutter.LayoutManager {
_init(overlay, params) {
super._init(params);
this._overlay = overlay;
}
_containerStyleChanged() {
const node = this._container.get_theme_node();
let changed = false;
let found, length;
[found, length] = node.lookup_length('spacing-rows', false);
changed ||= found;
if (found)
this.rowSpacing = length;
[found, length] = node.lookup_length('spacing-columns', false);
changed ||= found;
if (found)
this.columnSpacing = length;
if (changed)
this.layout_changed();
}
_getColSpan(container, child) {
const {columnSpan} = this.get_child_meta(container, child);
return Math.clamp(columnSpan, 1, this.nColumns);
}
_getMaxChildWidth(container) {
let [minWidth, natWidth] = [0, 0];
for (const child of container) {
if (child === this._overlay)
continue;
const [childMin, childNat] = child.get_preferred_width(-1);
const colSpan = this._getColSpan(container, child);
minWidth = Math.max(minWidth, childMin / colSpan);
natWidth = Math.max(natWidth, childNat / colSpan);
}
return [minWidth, natWidth];
}
_getRows(container) {
const rows = [];
let lineIndex = 0;
let curRow;
/** private */
function appendRow() {
curRow = [];
rows.push(curRow);
lineIndex = 0;
}
for (const child of container) {
if (!child.visible)
continue;
if (child === this._overlay)
continue;
if (lineIndex === 0)
appendRow();
const colSpan = this._getColSpan(container, child);
const fitsRow = lineIndex + colSpan <= this.nColumns;
if (!fitsRow)
appendRow();
curRow.push(child);
lineIndex = (lineIndex + colSpan) % this.nColumns;
}
return rows;
}
_getRowHeight(children) {
let [minHeight, natHeight] = [0, 0];
children.forEach(child => {
const [childMin, childNat] = child.get_preferred_height(-1);
minHeight = Math.max(minHeight, childMin);
natHeight = Math.max(natHeight, childNat);
});
return [minHeight, natHeight];
}
vfunc_get_child_meta_type() {
return QuickSettingsLayoutMeta.$gtype;
}
vfunc_set_container(container) {
this._container?.disconnectObject(this);
this._container = container;
this._container?.connectObject('style-changed',
() => this._containerStyleChanged(), this);
}
vfunc_get_preferred_width(container, _forHeight) {
const [childMin, childNat] = this._getMaxChildWidth(container);
const spacing = (this.nColumns - 1) * this.column_spacing;
return [this.nColumns * childMin + spacing, this.nColumns * childNat + spacing];
}
vfunc_get_preferred_height(container, _forWidth) {
const rows = this._getRows(container);
let [minHeight, natHeight] = this._overlay
? this._overlay.get_preferred_height(-1)
: [0, 0];
const spacing = (rows.length - 1) * this.row_spacing;
minHeight += spacing;
natHeight += spacing;
rows.forEach(row => {
const [rowMin, rowNat] = this._getRowHeight(row);
minHeight += rowMin;
natHeight += rowNat;
});
return [minHeight, natHeight];
}
vfunc_allocate(container, box) {
const rows = this._getRows(container);
const [, overlayHeight] = this._overlay
? this._overlay.get_preferred_height(-1)
: [0, 0];
const availWidth = box.get_width() - (this.nColumns - 1) * this.row_spacing;
const childWidth = availWidth / this.nColumns;
this._overlay?.allocate_available_size(0, 0, box.get_width(), box.get_height());
const isRtl = container.text_direction === Clutter.TextDirection.RTL;
const childBox = new Clutter.ActorBox();
let y = box.y1;
rows.forEach(row => {
const [, rowNat] = this._getRowHeight(row);
let lineIndex = 0;
row.forEach(child => {
const colSpan = this._getColSpan(container, child);
const width =
childWidth * colSpan + this.column_spacing * (colSpan - 1);
let x = box.x1 + lineIndex * (childWidth + this.column_spacing);
if (isRtl)
x = box.x2 - width - x;
childBox.set_origin(x, y);
childBox.set_size(width, rowNat);
child.allocate(childBox);
lineIndex = (lineIndex + colSpan) % this.nColumns;
});
y += rowNat + this.row_spacing;
if (row.some(c => c.menu?.actor.visible))
y += overlayHeight;
});
}
});
var QuickSettingsMenu = class extends PopupMenu.PopupMenu {
constructor(sourceActor, nColumns = 1) {
super(sourceActor, 0, St.Side.TOP);
this.actor = new St.Widget({reactive: true});
this.actor.add_child(this._boxPointer);
this.actor._delegate = this;
this.connect('menu-closed', () => this.actor.hide());
Main.layoutManager.connectObject('system-modal-opened',
() => this.close(), this);
this._dimEffect = new Clutter.BrightnessContrastEffect({
enabled: false,
});
this._boxPointer.add_effect_with_name('dim', this._dimEffect);
this.box.add_style_class_name('quick-settings');
// Overlay layer for menus
this._overlay = new Clutter.Actor({
layout_manager: new Clutter.BinLayout(),
});
// "clone"
const placeholder = new Clutter.Actor({
constraints: new Clutter.BindConstraint({
coordinate: Clutter.BindCoordinate.HEIGHT,
source: this._overlay,
}),
});
this._grid = new St.Widget({
style_class: 'quick-settings-grid',
layout_manager: new QuickSettingsLayout(placeholder, {
nColumns,
}),
});
this.box.add_child(this._grid);
this._grid.add_child(placeholder);
const yConstraint = new Clutter.BindConstraint({
coordinate: Clutter.BindCoordinate.Y,
source: this._boxPointer,
});
// Pick up additional spacing from any intermediate actors
const updateOffset = () => {
Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
const offset = this._grid.apply_relative_transform_to_point(
this._boxPointer, new Graphene.Point3D());
yConstraint.offset = offset.y;
return GLib.SOURCE_REMOVE;
});
};
this._grid.connect('notify::y', updateOffset);
this.box.connect('notify::y', updateOffset);
this._boxPointer.bin.connect('notify::y', updateOffset);
this._overlay.add_constraint(yConstraint);
this._overlay.add_constraint(new Clutter.BindConstraint({
coordinate: Clutter.BindCoordinate.X,
source: this._boxPointer,
}));
this._overlay.add_constraint(new Clutter.BindConstraint({
coordinate: Clutter.BindCoordinate.WIDTH,
source: this._boxPointer,
}));
this.actor.add_child(this._overlay);
}
addItem(item, colSpan = 1) {
this._grid.add_child(item);
this._grid.layout_manager.child_set_property(
this._grid, item, 'column-span', colSpan);
if (item.menu) {
this._overlay.add_child(item.menu.actor);
item.menu.connect('open-state-changed', (m, isOpen) => {
this._setDimmed(isOpen);
this._activeMenu = isOpen ? item.menu : null;
});
}
}
open(animate) {
this.actor.show();
super.open(animate);
}
close(animate) {
this._activeMenu?.close(animate);
super.close(animate);
}
_setDimmed(dim) {
const val = 127 * (1 + (dim ? 1 : 0) * DIM_BRIGHTNESS);
const color = Clutter.Color.new(val, val, val, 255);
this._boxPointer.ease_property('@effects.dim.brightness', color, {
mode: Clutter.AnimationMode.LINEAR,
duration: POPUP_ANIMATION_TIME,
onStopped: () => (this._dimEffect.enabled = dim),
});
this._dimEffect.enabled = true;
}
};
var SystemIndicator = GObject.registerClass(
class SystemIndicator extends St.BoxLayout {
_init() {
super._init({
style_class: 'panel-status-indicators-box',
reactive: true,
visible: false,
});
this.quickSettingsItems = [];
}
_syncIndicatorsVisible() {
this.visible = this.get_children().some(a => a.visible);
}
_addIndicator() {
const icon = new St.Icon({style_class: 'system-status-icon'});
this.add_actor(icon);
icon.connect('notify::visible', () => this._syncIndicatorsVisible());
this._syncIndicatorsVisible();
return icon;
}
});