1 files changed, 48 insertions, 0 deletions
diff --git a/lib/astal/gtk3/src/widget/scrollable.vala b/lib/astal/gtk3/src/widget/scrollable.vala
new file mode 100644
index 0000000..57a440c
--- /dev/null
+++ b/lib/astal/gtk3/src/widget/scrollable.vala
@@ -0,0 +1,48 @@
+/**
+ * Subclass of [[email protected]] which has its policy default to
+ * [[email protected]].
+ *
+ * Its css selector is `scrollable`.
+ * Its child getter returns the child of the inner
+ * [[email protected]], instead of the viewport.
+ */
+public class Astal.Scrollable : Gtk.ScrolledWindow {
+    private Gtk.PolicyType _hscroll = Gtk.PolicyType.AUTOMATIC;
+    private Gtk.PolicyType _vscroll = Gtk.PolicyType.AUTOMATIC;
+
+    public Gtk.PolicyType hscroll {
+        get { return _hscroll; }
+        set {
+            _hscroll = value;
+            set_policy(value, vscroll);
+        }
+    }
+
+    public Gtk.PolicyType vscroll {
+        get { return _vscroll; }
+        set {
+            _vscroll = value;
+            set_policy(hscroll, value);
+        }
+    }
+
+    static construct {
+        set_css_name("scrollable");
+    }
+
+    construct {
+        if (hadjustment != null)
+            hadjustment = new Gtk.Adjustment(0,0,0,0,0,0);
+
+        if (vadjustment != null)
+            vadjustment = new Gtk.Adjustment(0,0,0,0,0,0);
+    }
+
+    public new Gtk.Widget get_child() {
+        var ch = base.get_child();
+        if (ch is Gtk.Viewport) {
+            return ch.get_child();
+        }
+        return ch;
+    }
+}