From dfd1f23c7562694e571d44c45aa74fcea9b1ba01 Mon Sep 17 00:00:00 2001
From: Aylur <k.demeter@protonmail.com>
Date: Thu, 27 Feb 2025 19:30:39 +0100
Subject: feat: Astal.Bin

---
 lib/astal/gtk4/src/widget/bin.vala | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 lib/astal/gtk4/src/widget/bin.vala

(limited to 'lib/astal/gtk4/src/widget/bin.vala')

diff --git a/lib/astal/gtk4/src/widget/bin.vala b/lib/astal/gtk4/src/widget/bin.vala
new file mode 100644
index 0000000..102957b
--- /dev/null
+++ b/lib/astal/gtk4/src/widget/bin.vala
@@ -0,0 +1,36 @@
+/**
+ * A widget with one child.
+ * It is useful for deriving subclasses, since it provides common code needed for handling a single child widget.
+ */
+public class Astal.Bin : Gtk.Widget, Gtk.Buildable {
+    construct { set_layout_manager(new Gtk.BinLayout()); }
+
+    Gtk.Widget _child;
+    public Gtk.Widget? child {
+        get { return _child; }
+        set {
+            if (_child != null) {
+                _child.unparent();
+            }
+
+            if (value != null) {
+                _child = value;
+                value.set_parent(this);
+            }
+        }
+    }
+
+    void add_child(Gtk.Builder builder, Object child, string? type) {
+        if (child is Gtk.Widget) {
+            this.child = child as Gtk.Widget;
+        } else {
+            base.add_child(builder, child, type);
+        }
+    }
+
+    ~Bin() {
+        if (child != null) {
+            child.unparent();
+        }
+    }
+}
-- 
cgit v1.2.3