Initial Commit

Library/PackageCache/com.unity.timeline@1.5.4/Editor/Window/TimelineWindow_TimeCursor.cs

@@ -0,0 +1,81 @@
+using System;
+using UnityEngine;
+using UnityEngine.Timeline;
+using UnityEngine.Playables;
+
+namespace UnityEditor.Timeline
+{
+    partial class TimelineWindow
+    {
+        TimeAreaItem m_PlayHead;
+
+        void TimeCursorGUI(TimelineItemArea area)
+        {
+            DrawTimeOnSlider();
+            if (!CanDrawTimeCursor(area))
+                return;
+
+            if (m_PlayHead == null || m_PlayHead.style != styles.timeCursor)
+            {
+                m_PlayHead = new TimeAreaItem(styles.timeCursor, OnTrackHeadDrag);
+                m_PlayHead.AddManipulator(new PlayheadContextMenu(m_PlayHead));
+            }
+
+            var headerMode = area == TimelineItemArea.Header;
+            DrawTimeCursor(headerMode, !headerMode);
+        }
+
+        bool CanDrawTimeCursor(TimelineItemArea area)
+        {
+            if (!currentMode.ShouldShowTimeCursor(state))
+                return false;
+
+            if (treeView == null || state.editSequence.asset == null || (state.editSequence.asset != null && state.IsEditingAnEmptyTimeline()))
+                return false;
+
+            if (area == TimelineItemArea.Lines && !state.TimeIsInRange((float)state.editSequence.time))
+                return false;
+
+            return true;
+        }
+
+        void DrawTimeOnSlider()
+        {
+            if (currentMode.ShouldShowTimeCursor(state))
+            {
+                var colorDimFactor = EditorGUIUtility.isProSkin ? 0.7f : 0.9f;
+                var c = styles.timeCursor.normal.textColor * colorDimFactor;
+
+                float time = Mathf.Max((float)state.editSequence.time, 0);
+                float duration = (float)state.editSequence.duration;
+
+                m_TimeArea.DrawTimeOnSlider(time, c, duration, DirectorStyles.kDurationGuiThickness);
+            }
+        }
+
+        void DrawTimeCursor(bool drawHead, bool drawline)
+        {
+            m_PlayHead.HandleManipulatorsEvents(state);
+
+            if (Event.current.type == EventType.MouseDown && Event.current.button == 0)
+            {
+                if (state.timeAreaRect.Contains(Event.current.mousePosition))
+                {
+                    state.SetPlaying(false);
+                    m_PlayHead.HandleManipulatorsEvents(state);
+                    state.editSequence.time = Math.Max(0.0, state.GetSnappedTimeAtMousePosition(Event.current.mousePosition));
+                }
+            }
+
+            m_PlayHead.drawLine = drawline;
+            m_PlayHead.drawHead = drawHead;
+            m_PlayHead.Draw(sequenceContentRect, state, state.editSequence.time);
+        }
+
+        void OnTrackHeadDrag(double newTime)
+        {
+            state.editSequence.time = Math.Max(0.0, newTime);
+            m_PlayHead.showTooltip = true;
+        }
+    }
+}