Initial Commit

Library/PackageCache/com.unity.timeline@1.5.4/Editor/treeview/ItemGui/TimelineItemGUI.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine.Timeline;
+using UnityEngine;
+
+namespace UnityEditor.Timeline
+{
+    static class ItemToItemGui
+    {
+        static Dictionary<object, TimelineItemGUI> s_ItemToItemGUI =
+            new Dictionary<object, TimelineItemGUI>();
+
+        public static void Add(TimelineClip clip, TimelineItemGUI gui)
+        {
+            s_ItemToItemGUI[clip] = gui;
+        }
+
+        public static void Add(IMarker marker, TimelineItemGUI gui)
+        {
+            s_ItemToItemGUI[marker] = gui;
+        }
+
+        public static TimelineClipGUI GetGuiForClip(TimelineClip clip)
+        {
+            return GetGuiForItem(clip) as TimelineClipGUI;
+        }
+
+        public static TimelineMarkerGUI GetGuiForMarker(IMarker marker)
+        {
+            return GetGuiForItem(marker) as TimelineMarkerGUI;
+        }
+
+        static TimelineItemGUI GetGuiForItem(object item)
+        {
+            if (item == null)
+                return null;
+
+            TimelineItemGUI gui;
+            s_ItemToItemGUI.TryGetValue(item, out gui);
+            return gui;
+        }
+    }
+
+    abstract class TimelineItemGUI : ISelectable
+    {
+        protected readonly DirectorStyles m_Styles;
+
+        public abstract ITimelineItem item { get; }
+        public abstract double start { get; }
+        public abstract double end { get; }
+        public abstract void Draw(Rect rect, bool rectChanged, WindowState state);
+        public abstract Rect RectToTimeline(Rect trackRect, WindowState state);
+
+        public virtual void Select() {}
+        public virtual bool IsSelected() { return false; }
+        public virtual void Deselect() {}
+        public virtual bool CanSelect(Event evt) { return true; }
+
+        public virtual void StartDrag() {}
+        public virtual void StopDrag() {}
+
+        public LayerZOrder zOrder { get; set; }
+
+        public bool visible { get; set; }
+        public bool isInvalid { get; set; }
+
+        public IRowGUI parent { get; }
+
+        public Rect rect
+        {
+            get { return parent.ToWindowSpace(treeViewRect); }
+        }
+
+        public Rect treeViewRect
+        {
+            get { return m_TreeViewRect; }
+            protected set
+            {
+                m_TreeViewRect = value;
+                if (value.width < 0.0f)
+                    m_TreeViewRect.width = 1.0f;
+            }
+        }
+
+        Rect m_TreeViewRect;
+
+        protected TimelineItemGUI(IRowGUI parent)
+        {
+            this.parent = parent;
+            m_Styles = DirectorStyles.Instance;
+        }
+    }
+}