369 lines
10 KiB
JavaScript
369 lines
10 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported Dialog, MessageDialogContent, ListSection, ListSectionItem */
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const { Clutter, GLib, GObject, Meta, Pango, St } = imports.gi;
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function _setLabel(label, value) {
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label.set({
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text: value || '',
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visible: value !== null,
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});
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}
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var Dialog = GObject.registerClass(
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class Dialog extends St.Widget {
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_init(parentActor, styleClass) {
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super._init({ layout_manager: new Clutter.BinLayout() });
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this.connect('destroy', this._onDestroy.bind(this));
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this._initialKeyFocus = null;
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this._initialKeyFocusDestroyId = 0;
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this._pressedKey = null;
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this._buttonKeys = {};
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this._createDialog();
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this.add_child(this._dialog);
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if (styleClass != null)
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this._dialog.add_style_class_name(styleClass);
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this._parentActor = parentActor;
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this._eventId = this._parentActor.connect('event', this._modalEventHandler.bind(this));
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this._parentActor.add_child(this);
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}
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_createDialog() {
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this._dialog = new St.BoxLayout({
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style_class: 'modal-dialog',
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x_align: Clutter.ActorAlign.CENTER,
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y_align: Clutter.ActorAlign.CENTER,
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vertical: true,
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});
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// modal dialogs are fixed width and grow vertically; set the request
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// mode accordingly so wrapped labels are handled correctly during
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// size requests.
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this._dialog.request_mode = Clutter.RequestMode.HEIGHT_FOR_WIDTH;
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this._dialog.set_offscreen_redirect(Clutter.OffscreenRedirect.ALWAYS);
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this.contentLayout = new St.BoxLayout({
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vertical: true,
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style_class: 'modal-dialog-content-box',
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y_expand: true,
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});
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this._dialog.add_child(this.contentLayout);
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this.buttonLayout = new St.Widget({
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layout_manager: new Clutter.BoxLayout({ homogeneous: true }),
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});
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this._dialog.add_child(this.buttonLayout);
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}
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makeInactive() {
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if (this._eventId != 0)
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this._parentActor.disconnect(this._eventId);
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this._eventId = 0;
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this.buttonLayout.get_children().forEach(c => c.set_reactive(false));
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}
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_onDestroy() {
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this.makeInactive();
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}
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_modalEventHandler(actor, event) {
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if (event.type() == Clutter.EventType.KEY_PRESS) {
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this._pressedKey = event.get_key_symbol();
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} else if (event.type() == Clutter.EventType.KEY_RELEASE) {
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let pressedKey = this._pressedKey;
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this._pressedKey = null;
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let symbol = event.get_key_symbol();
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if (symbol != pressedKey)
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return Clutter.EVENT_PROPAGATE;
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let buttonInfo = this._buttonKeys[symbol];
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if (!buttonInfo)
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return Clutter.EVENT_PROPAGATE;
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let { button, action } = buttonInfo;
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if (action && button.reactive) {
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action();
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return Clutter.EVENT_STOP;
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}
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}
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return Clutter.EVENT_PROPAGATE;
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}
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_setInitialKeyFocus(actor) {
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if (this._initialKeyFocus)
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this._initialKeyFocus.disconnect(this._initialKeyFocusDestroyId);
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this._initialKeyFocus = actor;
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this._initialKeyFocusDestroyId = actor.connect('destroy', () => {
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this._initialKeyFocus = null;
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this._initialKeyFocusDestroyId = 0;
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});
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}
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get initialKeyFocus() {
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return this._initialKeyFocus || this;
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}
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addButton(buttonInfo) {
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let { label, action, key } = buttonInfo;
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let isDefault = buttonInfo['default'];
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let keys;
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if (key)
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keys = [key];
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else if (isDefault)
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keys = [Clutter.KEY_Return, Clutter.KEY_KP_Enter, Clutter.KEY_ISO_Enter];
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else
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keys = [];
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let button = new St.Button({
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style_class: 'modal-dialog-linked-button',
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button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
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reactive: true,
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can_focus: true,
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x_expand: true,
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y_expand: true,
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label,
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});
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button.connect('clicked', action);
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buttonInfo['button'] = button;
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if (isDefault)
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button.add_style_pseudo_class('default');
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if (this._initialKeyFocus == null || isDefault)
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this._setInitialKeyFocus(button);
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for (let i in keys)
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this._buttonKeys[keys[i]] = buttonInfo;
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this.buttonLayout.add_actor(button);
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return button;
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}
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clearButtons() {
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this.buttonLayout.destroy_all_children();
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this._buttonKeys = {};
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}
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});
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var MessageDialogContent = GObject.registerClass({
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Properties: {
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'title': GObject.ParamSpec.string(
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'title', 'title', 'title',
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GObject.ParamFlags.READWRITE |
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GObject.ParamFlags.CONSTRUCT,
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null),
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'description': GObject.ParamSpec.string(
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'description', 'description', 'description',
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GObject.ParamFlags.READWRITE |
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GObject.ParamFlags.CONSTRUCT,
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null),
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},
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}, class MessageDialogContent extends St.BoxLayout {
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_init(params) {
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this._title = new St.Label({ style_class: 'message-dialog-title' });
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this._description = new St.Label({ style_class: 'message-dialog-description' });
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this._description.clutter_text.ellipsize = Pango.EllipsizeMode.NONE;
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this._description.clutter_text.line_wrap = true;
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let defaultParams = {
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style_class: 'message-dialog-content',
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x_expand: true,
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vertical: true,
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};
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super._init(Object.assign(defaultParams, params));
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this.connect('notify::size', this._updateTitleStyle.bind(this));
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this.connect('destroy', this._onDestroy.bind(this));
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this.add_child(this._title);
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this.add_child(this._description);
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}
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_onDestroy() {
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if (this._updateTitleStyleLater) {
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Meta.later_remove(this._updateTitleStyleLater);
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delete this._updateTitleStyleLater;
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}
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}
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get title() {
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return this._title.text;
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}
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get description() {
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return this._description.text;
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}
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_updateTitleStyle() {
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if (!this._title.mapped)
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return;
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this._title.ensure_style();
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const [, titleNatWidth] = this._title.get_preferred_width(-1);
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if (titleNatWidth > this.width) {
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if (this._updateTitleStyleLater)
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return;
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this._updateTitleStyleLater = Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
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this._updateTitleStyleLater = 0;
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this._title.add_style_class_name('lightweight');
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return GLib.SOURCE_REMOVE;
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});
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}
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}
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set title(title) {
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if (this._title.text === title)
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return;
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_setLabel(this._title, title);
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this._title.remove_style_class_name('lightweight');
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this._updateTitleStyle();
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this.notify('title');
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}
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set description(description) {
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if (this._description.text === description)
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return;
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_setLabel(this._description, description);
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this.notify('description');
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}
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});
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var ListSection = GObject.registerClass({
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Properties: {
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'title': GObject.ParamSpec.string(
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'title', 'title', 'title',
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GObject.ParamFlags.READWRITE |
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GObject.ParamFlags.CONSTRUCT,
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null),
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},
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}, class ListSection extends St.BoxLayout {
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_init(params) {
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this._title = new St.Label({ style_class: 'dialog-list-title' });
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this._listScrollView = new St.ScrollView({
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style_class: 'dialog-list-scrollview',
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hscrollbar_policy: St.PolicyType.NEVER,
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});
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this.list = new St.BoxLayout({
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style_class: 'dialog-list-box',
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vertical: true,
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});
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this._listScrollView.add_actor(this.list);
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let defaultParams = {
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style_class: 'dialog-list',
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x_expand: true,
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vertical: true,
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};
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super._init(Object.assign(defaultParams, params));
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this.label_actor = this._title;
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this.add_child(this._title);
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this.add_child(this._listScrollView);
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}
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get title() {
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return this._title.text;
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}
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set title(title) {
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_setLabel(this._title, title);
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this.notify('title');
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}
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});
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var ListSectionItem = GObject.registerClass({
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Properties: {
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'icon-actor': GObject.ParamSpec.object(
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'icon-actor', 'icon-actor', 'Icon actor',
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GObject.ParamFlags.READWRITE,
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Clutter.Actor.$gtype),
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'title': GObject.ParamSpec.string(
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'title', 'title', 'title',
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GObject.ParamFlags.READWRITE |
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GObject.ParamFlags.CONSTRUCT,
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null),
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'description': GObject.ParamSpec.string(
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'description', 'description', 'description',
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GObject.ParamFlags.READWRITE |
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GObject.ParamFlags.CONSTRUCT,
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null),
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},
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}, class ListSectionItem extends St.BoxLayout {
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_init(params) {
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this._iconActorBin = new St.Bin();
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let textLayout = new St.BoxLayout({
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vertical: true,
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y_expand: true,
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y_align: Clutter.ActorAlign.CENTER,
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});
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this._title = new St.Label({ style_class: 'dialog-list-item-title' });
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this._description = new St.Label({
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style_class: 'dialog-list-item-title-description',
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});
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textLayout.add_child(this._title);
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textLayout.add_child(this._description);
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let defaultParams = { style_class: 'dialog-list-item' };
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super._init(Object.assign(defaultParams, params));
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this.label_actor = this._title;
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this.add_child(this._iconActorBin);
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this.add_child(textLayout);
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}
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// eslint-disable-next-line camelcase
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get icon_actor() {
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return this._iconActorBin.get_child();
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}
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// eslint-disable-next-line camelcase
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set icon_actor(actor) {
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this._iconActorBin.set_child(actor);
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this.notify('icon-actor');
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}
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get title() {
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return this._title.text;
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}
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set title(title) {
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_setLabel(this._title, title);
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this.notify('title');
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}
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get description() {
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return this._description.text;
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}
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set description(description) {
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_setLabel(this._description, description);
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this.notify('description');
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}
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});
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