Added custom dropdown support for MenuItems

vchelaru · Jan 24, 2025 · 385f6ac · 385f6ac
1 parent b5a2ff4
commit 385f6ac
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Showing 3 changed files with 45 additions and 5 deletions.
diff --git a/MonoGameGum/Forms/Controls/MenuItem.cs b/MonoGameGum/Forms/Controls/MenuItem.cs
@@ -99,6 +99,8 @@ internal MenuItem ParentMenuItem
         get;set;
     }
 
+    public VisualTemplate? ScrollViewerVisualTemplate { get; set; } = null;
+
     #endregion
 
     #region Events
@@ -243,8 +245,17 @@ internal void TryShowPopup()
         if (this.Items?.Count > 0 && itemsPopup == null)
         {
             timeOpened = MainCursor.LastPrimaryPushTime;
-            itemsPopup = new ScrollViewer();
 
+            var visualTemplateVisual = ScrollViewerVisualTemplate?.CreateContent(null) as InteractiveGue;
+
+            if(visualTemplateVisual == null)
+            {
+                itemsPopup = new ScrollViewer();
+            }
+            else
+            {
+                itemsPopup = new ScrollViewer(visualTemplateVisual);
+            }
             //itemsPopup.InnerPanel.Height = 0;
             //itemsPopup.InnerPanel.HeightUnits = Gum.DataTypes.DimensionUnitType.RelativeToChildren;
             //itemsPopup.InnerPanel.ChildrenLayout = Gum.Managers.ChildrenLayout.TopToBottomStack;

diff --git a/Samples/GumFormsSample/GumFormsSampleCommon/GumFormsSampleGame.cs b/Samples/GumFormsSample/GumFormsSampleCommon/GumFormsSampleGame.cs
@@ -52,7 +52,7 @@ protected override void Initialize()
         var gumProject = GumService.Default.Initialize(_graphics.GraphicsDevice, "FormsGumProject/GumProject.gumx");
         FormsUtilities.Cursor.TransformMatrix = Matrix.CreateScale(1/scale);
 
-        const int screenNumber = 0;
+        const int screenNumber = 1;
 
         switch (screenNumber)
         {

diff --git a/Samples/GumFormsSample/GumFormsSampleCommon/Screens/FrameworkElementExampleScreen.cs b/Samples/GumFormsSample/GumFormsSampleCommon/Screens/FrameworkElementExampleScreen.cs
@@ -1,5 +1,6 @@
 using Gum.Wireframe;
 using Microsoft.Xna.Framework;
+using MonoGameGum.Forms;
 using MonoGameGum.Forms.Controls;
 using MonoGameGum.Forms.DefaultVisuals;
 using MonoGameGum.GueDeriving;
@@ -30,11 +31,11 @@ public void Initialize(List<GraphicalUiElement> roots)
 
             CreateMenu(root);
 
-            //CreateColumn1Ui(root);
+            CreateColumn1Ui(root);
 
-            //CreateColumn2Ui(root);
+            CreateColumn2Ui(root);
 
-            //CreateLayeredUi(roots);
+            CreateLayeredUi(roots);
 
         }
 
@@ -74,6 +75,33 @@ private void CreateMenu(GraphicalUiElement root)
                 editItem.Items.Add($"Edit Item {i}");
             }
             menu.Items.Add(editItem);
+
+
+
+            var customMenuItem = new MenuItem();
+
+
+            customMenuItem.Header = "Custom Dropdown";
+            var customScrollViewerVisualTemplate = new VisualTemplate(() =>
+            {
+                var toReturn = new DefaultScrollViewerRuntime();
+                var background = toReturn.GetGraphicalUiElementByName("Background")
+                    as ColoredRectangleRuntime;
+
+                background.Color = Color.Orange;
+
+                return toReturn;
+            });
+            customMenuItem.ScrollViewerVisualTemplate = customScrollViewerVisualTemplate;
+
+
+            for (int i = 0; i < 10; i++)
+            {
+                customMenuItem.Items.Add($"Custom dropdown item {i}");
+            }
+            menu.Items.Add(customMenuItem);
+
+
             menu.Items.Add("Help");
 
             root.Children.Add(menu.Visual);
@@ -159,6 +187,7 @@ private void CreateColumn1Ui(GraphicalUiElement root)
             listBox.Y = currentY;
             listBox.Width = 200;
             listBox.Height = 200;
+
             for (int i = 0; i < 20; i++)
             {
                 listBox.Items.Add($"Item {i}");