1 files changed, 102 insertions, 0 deletions
diff --git a/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/Controls/ComboBox.cs b/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/Controls/ComboBox.cs
new file mode 100644
index 0000000..f8867d2
--- /dev/null
+++ b/Plugins/MonoGame.Extended/source/MonoGame.Extended.Gui/Controls/ComboBox.cs
@@ -0,0 +1,102 @@
+using System.Linq;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Input;
+using MonoGame.Extended.Input.InputListeners;
+using MonoGame.Extended.TextureAtlases;
+
+namespace MonoGame.Extended.Gui.Controls
+{
+    public class ComboBox : SelectorControl
+    {
+        public ComboBox()
+        {
+        }
+        
+        public bool IsOpen { get; set; }
+        public TextureRegion2D DropDownRegion { get; set; }
+        public Color DropDownColor { get; set; } = Color.White;
+
+        public override bool OnKeyPressed(IGuiContext context, KeyboardEventArgs args)
+        {
+            if (args.Key == Keys.Enter)
+                IsOpen = false;
+
+            return base.OnKeyPressed(context, args);
+        }
+
+        public override bool OnPointerUp(IGuiContext context, PointerEventArgs args)
+        {
+            IsOpen = !IsOpen;
+            return base.OnPointerUp(context, args);
+        }
+
+        protected override Rectangle GetListAreaRectangle(IGuiContext context)
+        {
+            return GetDropDownRectangle(context);
+        }
+
+        public override bool Contains(IGuiContext context, Point point)
+        {
+            return base.Contains(context, point) || IsOpen && GetListAreaRectangle(context).Contains(point);
+        }
+
+        public override Size GetContentSize(IGuiContext context)
+        {
+            var width = 0;
+            var height = 0;
+
+            foreach (var item in Items)
+            {
+                var itemSize = GetItemSize(context, item);
+
+                if (itemSize.Width > width)
+                    width = itemSize.Width;
+
+                if (itemSize.Height > height)
+                    height = itemSize.Height;
+            }
+
+            return new Size(width + ClipPadding.Width, height + ClipPadding.Height);
+        }
+
+        public override void Draw(IGuiContext context, IGuiRenderer renderer, float deltaSeconds)
+        {
+            base.Draw(context, renderer, deltaSeconds);
+
+            if (IsOpen)
+            {
+                var dropDownRectangle = GetListAreaRectangle(context);
+
+                if (DropDownRegion != null)
+                {
+                    renderer.DrawRegion(DropDownRegion, dropDownRectangle, DropDownColor);
+                }
+                else
+                {
+                    renderer.FillRectangle(dropDownRectangle, DropDownColor);
+                    renderer.DrawRectangle(dropDownRectangle, BorderColor);
+                }
+
+                DrawItemList(context, renderer);
+            }
+
+            var selectedTextInfo = GetItemTextInfo(context, ContentRectangle, SelectedItem);
+
+            if (!string.IsNullOrWhiteSpace(selectedTextInfo.Text))
+                renderer.DrawText(selectedTextInfo.Font, selectedTextInfo.Text, selectedTextInfo.Position + TextOffset, selectedTextInfo.Color, selectedTextInfo.ClippingRectangle);
+        }
+
+        private Rectangle GetDropDownRectangle(IGuiContext context)
+        {
+            var dropDownRectangle = BoundingRectangle;
+
+            dropDownRectangle.Y = dropDownRectangle.Y + dropDownRectangle.Height;
+            dropDownRectangle.Height = (int) Items
+                .Select(item => GetItemSize(context, item))
+                .Select(itemSize => itemSize.Height)
+                .Sum();
+
+            return dropDownRectangle;
+        }
+    }
+}
+\ No newline at end of file