drag and drop UI

TimeSlot.cs

@@ -2,6 +2,8 @@ using Godot;
 
 public partial class TimeSlot : PanelContainer
 {
+    public MeetingControl MeetingControl { get; set; }
+
     public override bool _CanDropData(Vector2 atPosition, Variant data)
     {
         GD.Print("DRAGGED OVERR!!!");
@@ -11,6 +13,24 @@ public partial class TimeSlot : PanelContainer
 
     public override void _DropData(Vector2 atPosition, Variant data)
     {
-        GD.Print("DROP");
+        var meetingData = (MeetingControlDragData)data;
+
+        MeetingControl = meetingData.MeetingControl;
+        meetingData.MeetingControl.InSlot = true;
+        MeetingControl.Reparent(this, false);
+        MeetingControl.Visible = true;
+    }
+
+    public override void _Notification(int what)
+    {
+        if (what == NotificationDragBegin)
+        {
+            MouseFilter = MouseFilterEnum.Pass;
+        }
+
+        if (what == NotificationDragEnd)
+        {
+            MouseFilter = MouseFilterEnum.Ignore;
+        }
     }
 }