Adding upstream version 48.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

js/ui/checkBox.js

@@ -0,0 +1,48 @@
+import Atk from 'gi://Atk';
+import Clutter from 'gi://Clutter';
+import GObject from 'gi://GObject';
+import Pango from 'gi://Pango';
+import St from 'gi://St';
+
+export const CheckBox = GObject.registerClass(
+class CheckBox extends St.Button {
+    _init(label) {
+        let container = new St.BoxLayout({
+            x_expand: true,
+            y_expand: true,
+        });
+        super._init({
+            style_class: 'check-box',
+            child: container,
+            button_mask: St.ButtonMask.ONE,
+            toggle_mode: true,
+            can_focus: true,
+        });
+        this.set_accessible_role(Atk.Role.CHECK_BOX);
+
+        this._box = new St.Bin({y_align: Clutter.ActorAlign.START});
+        container.add_child(this._box);
+
+        this._check = new St.Icon({
+            icon_name: 'check-symbolic',
+        });
+        this._box.set_child(this._check);
+
+        this._label = new St.Label({y_align: Clutter.ActorAlign.CENTER});
+        this._label.clutter_text.set_line_wrap(true);
+        this._label.clutter_text.set_ellipsize(Pango.EllipsizeMode.NONE);
+        this.set_label_actor(this._label);
+        container.add_child(this._label);
+
+        if (label)
+            this.setLabel(label);
+    }
+
+    setLabel(label) {
+        this._label.set_text(label);
+    }
+
+    getLabelActor() {
+        return this._label;
+    }
+});