drag and drop UI

MeetingControl.cs

@@ -1,15 +1,65 @@
 using Godot;
 
-public sealed partial class MeetingControlDragData : GodotObject { }
-
-public partial class MeetingControl : PanelContainer
+public sealed partial class MeetingControlDragData(MeetingControl meetingControl) : GodotObject
 {
+    public MeetingControl MeetingControl { get; set; } = meetingControl;
+}
+
+[SceneTree]
+public partial class MeetingControl : Control
+{
+    [Export]
+    public Meeting Meeting;
+
+    public bool InSlot { get; set; }
+
     public override Variant _GetDragData(Vector2 atPosition)
     {
-        GD.Print("CONTROL DRAG");
-        var copy = Duplicate() as MeetingControl;
-        SetDragPreview(copy);
+        var preview = CreatePreview();
+        SetDragPreview(preview);
+        GD.Print("asdasdasdasd as dasd");
+        Visible = false;
 
-        return Variant.From(new MeetingControlDragData());
+        InSlot = false;
+
+        return Variant.From(new MeetingControlDragData(this));
+    }
+
+    public void StartDrag()
+    {
+        var preview = CreatePreview();
+        var data = Variant.From(new MeetingControlDragData(this));
+
+        ForceDrag(data, preview);
+    }
+
+    public override void _Notification(int what)
+    {
+        if (what == NotificationDragEnd)
+        {
+            GD.Print("Drag End");
+
+            if (InSlot)
+            {
+                GD.Print("Dropped in Slot");
+                return;
+            }
+
+            GD.Print("Dropped somewhere");
+
+            FindParent("Main").AddChild(Meeting);
+            Meeting.Position = GetGlobalMousePosition();
+            QueueFree();
+        }
+    }
+
+    private Control CreatePreview()
+    {
+        var copy = Duplicate() as MeetingControl;
+        var preview = new Control();
+        preview.AddChild(copy);
+        copy.Position = new Vector2(-Size.X / 2, -Size.Y / 2);
+
+        return preview;
     }
 }