1 files changed, 128 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/TimelineWindow_Duration.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/TimelineWindow_Duration.cs
new file mode 100644
index 0000000..48eef2f
--- /dev/null
+++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/TimelineWindow_Duration.cs
@@ -0,0 +1,128 @@
+using System;
+using UnityEngine;
+using UnityEngine.Timeline;
+
+namespace UnityEditor.Timeline
+{
+    partial class TimelineWindow
+    {
+        TimeAreaItem m_TimelineDuration;
+
+        void DurationGUI(TimelineItemArea area, double duration)
+        {
+            // don't show the duration if the time area is not visible for some other reason.
+            if (!currentMode.ShouldShowTimeArea(state))
+                return;
+
+            bool headerMode = area == TimelineItemArea.Header;
+
+            if (state.IsEditingASubTimeline())
+            {
+                if (headerMode)
+                    HighlightTimeAreaRange(state.editSequence.GetEvaluableRange(), DirectorStyles.Instance.customSkin.colorSubSequenceDurationLine);
+
+                return;
+            }
+
+            // don't show the duration if there's none.
+            if (state.editSequence.asset.durationMode == TimelineAsset.DurationMode.BasedOnClips && duration <= 0.0f)
+                return;
+
+            if (m_TimelineDuration == null || m_TimelineDuration.style != styles.endmarker)
+            {
+                m_TimelineDuration = new TimeAreaItem(styles.endmarker, OnTrackDurationDrag)
+                {
+                    tooltip = "End of sequence marker",
+                    boundOffset = new Vector2(0.0f, -DirectorStyles.kDurationGuiThickness)
+                };
+            }
+
+            DrawDuration(headerMode, !headerMode, duration);
+        }
+
+        void DrawDuration(bool drawhead, bool drawline, double duration)
+        {
+            if (state.TimeIsInRange((float)duration))
+            {
+                // Set the colors based on the mode
+                Color lineColor = DirectorStyles.Instance.customSkin.colorEndmarker;
+                Color headColor = Color.white;
+
+                bool canMoveHead = !EditorApplication.isPlaying && state.editSequence.asset.durationMode == TimelineAsset.DurationMode.FixedLength;
+
+                if (canMoveHead)
+                {
+                    if (Event.current.type == EventType.MouseDown)
+                    {
+                        if (m_TimelineDuration.bounds.Contains(Event.current.mousePosition))
+                        {
+                            if (m_PlayHead != null && m_PlayHead.bounds.Contains(Event.current.mousePosition))
+                            {
+                                // ignore duration markers if the mouse is over the TimeCursor.
+                                canMoveHead = false;
+                            }
+                        }
+                    }
+                }
+                else
+                {
+                    lineColor.a *= 0.66f;
+                    headColor = DirectorStyles.Instance.customSkin.colorDuration;
+                }
+
+                if (canMoveHead)
+                    m_TimelineDuration.HandleManipulatorsEvents(state);
+
+                m_TimelineDuration.lineColor = lineColor;
+                m_TimelineDuration.headColor = headColor;
+                m_TimelineDuration.drawHead = drawhead;
+                m_TimelineDuration.drawLine = drawline;
+                m_TimelineDuration.canMoveHead = canMoveHead;
+
+                // Draw the TimeAreaItem
+                // Rect trackheadRect = treeviewBounds;
+                //trackheadRect.height = clientArea.height;
+                m_TimelineDuration.Draw(sequenceRect, state, duration);
+            }
+
+            // Draw Blue line in timeline indicating the duration...
+            if (state.editSequence.asset != null && drawhead)
+            {
+                HighlightTimeAreaRange(state.editSequence.GetEvaluableRange(), DirectorStyles.Instance.customSkin.colorDurationLine);
+            }
+        }
+
+        void HighlightTimeAreaRange(Range range, Color lineColor)
+        {
+            if (range.length <= 0.0 || !state.RangeIsVisible(range)) return;
+
+            Rect lineRect = Rect.MinMaxRect(
+                Math.Max(state.TimeToPixel(range.start), state.timeAreaRect.xMin),
+                state.timeAreaRect.y - DirectorStyles.kDurationGuiThickness + state.timeAreaRect.height,
+                Math.Min(state.TimeToPixel(range.end), state.timeAreaRect.xMax),
+                state.timeAreaRect.y + state.timeAreaRect.height);
+            EditorGUI.DrawRect(lineRect, lineColor);
+        }
+
+        // Drag handler for the gui
+        void OnTrackDurationDrag(double newTime)
+        {
+            if (state.editSequence.asset.durationMode == TimelineAsset.DurationMode.FixedLength && !state.editSequence.isReadOnly)
+            {
+                // this is the first call to the drag
+                if (m_TimelineDuration.firstDrag)
+                {
+                    TimelineUndo.PushUndo(state.editSequence.asset, "Change Duration");
+                }
+
+                state.editSequence.asset.fixedDuration = newTime;
+
+                // when setting a new length, modify the duration of the timeline playable directly instead of
+                //  rebuilding the whole graph
+                state.UpdateRootPlayableDuration(newTime);
+            }
+
+            m_TimelineDuration.showTooltip = true;
+        }
+    }
+}