ManipulationsTracks.cs
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using System.Collections.Generic;
using System.Linq;
using UnityEditor.Timeline.Actions;
using UnityEngine;
using UnityEngine.Timeline;
namespace UnityEditor.Timeline
{
class InlineCurveResize : Manipulator
{
bool m_Captured;
float m_CapturedHeight;
float m_CaptureMouseYPos;
InlineCurveResizeHandle m_Target;
protected override bool MouseDown(Event evt, WindowState state)
{
m_Target = PickerUtils.FirstPickedElementOfType<InlineCurveResizeHandle>();
if (m_Target == null)
return false;
m_Captured = true;
m_CapturedHeight = TimelineWindowViewPrefs.GetInlineCurveHeight(m_Target.trackGUI.track);
m_CaptureMouseYPos = GUIUtility.GUIToScreenPoint(Event.current.mousePosition).y;
state.AddCaptured(this);
return true;
}
protected override bool MouseDrag(Event evt, WindowState state)
{
if (!m_Captured || m_Target == null)
return false;
var trackGUI = m_Target.trackGUI;
float inlineTrackHeight = m_CapturedHeight +
(GUIUtility.GUIToScreenPoint(Event.current.mousePosition).y - m_CaptureMouseYPos);
TimelineWindowViewPrefs.SetInlineCurveHeight(trackGUI.track, Mathf.Max(inlineTrackHeight, 60.0f));
state.GetWindow().treeView.CalculateRowRects();
return true;
}
protected override bool MouseUp(Event evt, WindowState state)
{
if (!m_Captured)
return false;
state.RemoveCaptured(this);
m_Captured = false;
return true;
}
public override void Overlay(Event evt, WindowState state)
{
var rect = state.GetWindow().sequenceRect;
EditorGUIUtility.AddCursorRect(rect, MouseCursor.SplitResizeUpDown);
}
}
class TrackResize : Manipulator
{
bool m_Captured;
int m_NumberOfContributingTracks;
TrackResizeHandle m_Target;
List<TimelineTrackGUI> m_TracksToResize;
protected override bool MouseDown(Event evt, WindowState state)
{
m_Target = PickerUtils.FirstPickedElementOfType<TrackResizeHandle>();
if (m_Target == null)
return false;
m_NumberOfContributingTracks = 1;
var selectedTracks = SelectionManager.SelectedTrackGUI().ToList();
if (selectedTracks.Any() && selectedTracks.Contains(m_Target.trackGUI)) //resize all selected tracks
{
var allTrackGui = state.GetWindow().treeView.allTrackGuis;
m_TracksToResize = allTrackGui.OfType<TimelineTrackGUI>().Where(i => SelectionManager.Contains(i.track)).ToList();
m_NumberOfContributingTracks += m_TracksToResize.IndexOf(m_Target.trackGUI);
}
else
m_TracksToResize = new List<TimelineTrackGUI> { m_Target.trackGUI };
m_Captured = true;
state.AddCaptured(this);
return true;
}
protected override bool MouseDrag(Event evt, WindowState state)
{
if (!m_Captured || m_Target == null)
return false;
var delta = evt.mousePosition.y - m_Target.boundingRect.center.y;
var extension = Mathf.RoundToInt(delta / m_NumberOfContributingTracks / state.trackScale);
foreach (var track in m_TracksToResize)
track.heightExtension += extension;
state.GetWindow().treeView.CalculateRowRects();
return true;
}
protected override bool MouseUp(Event evt, WindowState state)
{
if (!m_Captured)
return false;
foreach (var track in m_TracksToResize)
CommitExtension(track);
state.GetWindow().treeView.CalculateRowRects();
state.RemoveCaptured(this);
m_Captured = false;
return true;
}
public override void Overlay(Event evt, WindowState state)
{
var rect = state.GetWindow().sequenceRect;
EditorGUIUtility.AddCursorRect(rect, MouseCursor.SplitResizeUpDown);
}
static void CommitExtension(TimelineTrackGUI trackGUI)
{
if (trackGUI != null)
TimelineWindowViewPrefs.SetTrackHeightExtension(trackGUI.track, trackGUI.heightExtension);
}
}
class TrackDoubleClick : Manipulator
{
protected override bool DoubleClick(Event evt, WindowState state)
{
if (evt.button != 0)
return false;
var trackGUI = PickerUtils.FirstPickedElementOfType<TimelineTrackBaseGUI>();
if (trackGUI == null)
return false;
// Double-click is only available for AnimationTracks: it conflicts with selection mechanics on other tracks
if ((trackGUI.track as AnimationTrack) == null)
return false;
return EditTrackInAnimationWindow.Do(trackGUI.track);
}
}
class TrackShortcutManipulator : Manipulator
{
protected override bool KeyDown(Event evt, WindowState state)
{
return InternalExecute(evt, state);
}
protected override bool ExecuteCommand(Event evt, WindowState state)
{
return InternalExecute(evt, state);
}
static bool InternalExecute(Event evt, WindowState state)
{
if (state.IsCurrentEditingASequencerTextField())
return false;
var tracks = SelectionManager.SelectedTracks().ToList();
var items = SelectionManager.SelectedClipGUI();
foreach (var item in items)
{
var trackGUI = item.parent as TimelineTrackBaseGUI;
if (trackGUI == null)
continue;
if (!tracks.Contains(trackGUI.track))
tracks.Add(trackGUI.track);
}
return ActionManager.HandleShortcut(evt,
ActionManager.TrackActions,
x => ActionManager.ExecuteTrackAction(x, tracks));
}
}
}