const Clutter = imports.gi.Clutter; const Pango = imports.gi.Pango; const Shell = imports.gi.Shell; const St = imports.gi.St; const Lang = imports.lang; const CheckBoxContainer = new Lang.Class({ Name: 'CheckBoxContainer', _init: function() { this.actor = new Shell.GenericContainer(); this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth)); this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight)); this.actor.connect('allocate', Lang.bind(this, this._allocate)); this.actor.connect('style-changed', Lang.bind(this, function() { let node = this.actor.get_theme_node(); this._spacing = node.get_length('spacing'); })); this.actor.request_mode = Clutter.RequestMode.HEIGHT_FOR_WIDTH; this._box = new St.Bin(); this.actor.add_actor(this._box); this.label = new St.Label(); this.label.clutter_text.set_line_wrap(true); this.label.clutter_text.set_ellipsize(Pango.EllipsizeMode.NONE); this.actor.add_actor(this.label); this._spacing = 0; }, _getPreferredWidth: function(actor, forHeight, alloc) { let [minWidth, natWidth] = this._box.get_preferred_width(forHeight); alloc.min_size = minWidth + this._spacing; alloc.natural_size = natWidth + this._spacing; }, _getPreferredHeight: function(actor, forWidth, alloc) { let [minBoxHeight, natBoxHeight] = this._box.get_preferred_height(forWidth); let [minLabelHeight, natLabelHeight] = this.label.get_preferred_height(forWidth); alloc.min_size = Math.max(minBoxHeight, minLabelHeight); alloc.natural_size = Math.max(natBoxHeight, natLabelHeight); }, _allocate: function(actor, box, flags) { let availWidth = box.x2 - box.x1; let availHeight = box.y2 - box.y1; let childBox = new Clutter.ActorBox(); let [minBoxWidth, natBoxWidth] = this._box.get_preferred_width(-1); let [minBoxHeight, natBoxHeight] = this._box.get_preferred_height(-1); childBox.x1 = box.x1; childBox.x2 = box.x1 + natBoxWidth; childBox.y1 = box.y1; childBox.y2 = box.y1 + natBoxHeight; this._box.allocate(childBox, flags); childBox.x1 = box.x1 + natBoxWidth + this._spacing; childBox.x2 = availWidth - childBox.x1; childBox.y1 = box.y1; childBox.y2 = box.y2; this.label.allocate(childBox, flags); } }); const CheckBox = new Lang.Class({ Name: 'CheckBox', _init: function(label) { this.actor = new St.Button({ style_class: 'check-box', button_mask: St.ButtonMask.ONE, toggle_mode: true, can_focus: true, x_fill: true, y_fill: true }); this._container = new CheckBoxContainer(); this.actor.set_child(this._container.actor); if (label) this.setLabel(label); }, setLabel: function(label) { this._container.label.set_text(label); }, getLabelActor: function() { return this._container.label; } });