1 files changed, 69 insertions, 0 deletions
diff --git a/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/Controls/StackPanel.cs b/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/Controls/StackPanel.cs
new file mode 100644
index 0000000..5d8926d
--- /dev/null
+++ b/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/Controls/StackPanel.cs
@@ -0,0 +1,69 @@
+using System;
+using Microsoft.Xna.Framework;
+
+namespace MonoGame.Extended.Gui.Controls
+{
+    public class StackPanel : LayoutControl
+    {
+        public StackPanel()
+        {
+        }
+
+        public Orientation Orientation { get; set; } = Orientation.Vertical;
+        public int Spacing { get; set; }
+
+        public override Size GetContentSize(IGuiContext context)
+        {
+            var width = 0;
+            var height = 0;
+
+            foreach (var control in Items)
+            {
+                var actualSize = control.CalculateActualSize(context);
+
+                switch (Orientation)
+                {
+                    case Orientation.Horizontal:
+                        width += actualSize.Width;
+                        height = actualSize.Height > height ? actualSize.Height : height;
+                        break;
+                    case Orientation.Vertical:
+                        width = actualSize.Width > width ? actualSize.Width : width;
+                        height += actualSize.Height;
+                        break;
+                    default:
+                        throw new InvalidOperationException($"Unexpected orientation {Orientation}");
+                }
+            }
+
+            width += Orientation == Orientation.Horizontal ? (Items.Count - 1) * Spacing : 0;
+            height += Orientation == Orientation.Vertical ? (Items.Count - 1) * Spacing : 0;
+
+            return new Size(width, height);
+        }
+
+        protected override void Layout(IGuiContext context, Rectangle rectangle)
+        {
+            foreach (var control in Items)
+            {
+                var actualSize = control.CalculateActualSize(context);
+
+                switch (Orientation)
+                {
+                    case Orientation.Vertical:
+                        PlaceControl(context, control, rectangle.X, rectangle.Y, rectangle.Width, actualSize.Height);
+                        rectangle.Y += actualSize.Height + Spacing;
+                        rectangle.Height -= actualSize.Height;
+                        break;
+                    case Orientation.Horizontal:
+                        PlaceControl(context, control, rectangle.X, rectangle.Y, actualSize.Width, rectangle.Height);
+                        rectangle.X += actualSize.Width + Spacing;
+                        rectangle.Width -= actualSize.Width;
+                        break;
+                    default:
+                        throw new InvalidOperationException($"Unexpected orientation {Orientation}");
+                }
+            }
+        }
+    }
+}