add: stack widget

3 files changed, 36 insertions, 1 deletions

diff --git a/core/src/meson.build b/core/src/meson.build
index 7cb7762..d7d3871 100644
--- a/core/src/meson.build
+++ b/core/src/meson.build
@@ -39,6 +39,7 @@ sources = [
   'widget/overlay.vala',
   'widget/scrollable.vala',
   'widget/slider.vala',
+  'widget/stack.vala',
   'widget/widget.vala',
   'widget/window.vala',
   'astal.vala',
diff --git a/core/src/widget/box.vala b/core/src/widget/box.vala
index 6bd1bcb..d522967 100644
--- a/core/src/widget/box.vala
+++ b/core/src/widget/box.vala
@@ -7,7 +7,7 @@ public class Box : Gtk.Box {
     }
 
     /**
-     * wether to implicity destroy previous children when setting them
+     * whether to implicity destroy previous children when setting them
      */
     public bool no_implicit_destroy { get; set; default = false; }
 
diff --git a/core/src/widget/stack.vala b/core/src/widget/stack.vala
new file mode 100644
index 0000000..d1d345f
--- /dev/null
+++ b/core/src/widget/stack.vala
@@ -0,0 +1,34 @@
+public class Astal.Switch : Gtk.Stack {
+    /**
+     * whether to implicity destroy previous children when setting them
+     */
+    public bool no_implicit_destroy { get; set; default = false; }
+
+    public string shown {
+        get { return visible_child_name; }
+        set { visible_child_name = value; }
+    }
+
+    public List<weak Gtk.Widget> children {
+        set { _set_children(value); }
+        owned get { return get_children(); }
+    }
+
+    private void _set_children(List<weak Gtk.Widget> arr) {
+        foreach(var child in get_children()) {
+            if (no_implicit_destroy)
+                remove(child);
+            else if (arr.find(child).length() == 0)
+                child.destroy();
+        }
+
+        var i = 0;
+        foreach(var child in arr) {
+            if (child.name != null) {
+                add_named(child, child.name);
+            } else {
+                add_named(child, (++i).to_string());
+            }
+        }
+    }
+}