File size: 7,055 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | using System.Collections.Generic;
using System.Linq;
using UnityEngine;
namespace UnityEditor.Timeline
{
class EditModeInputHandler
{
readonly MoveInputHandler m_MoveHandler;
readonly TrimInputHandler m_TrimHandler;
public EditModeInputHandler()
{
m_MoveHandler = new MoveInputHandler();
m_TrimHandler = new TrimInputHandler();
}
public void ProcessMove(InputEvent action, double value)
{
if (TimelineWindow.instance != null && TimelineWindow.instance.state != null)
ProcessInputAction(m_MoveHandler, action, value, TimelineWindow.instance.state);
}
public void ProcessTrim(InputEvent action, double value, bool stretch)
{
if (TimelineWindow.instance != null && TimelineWindow.instance.state != null)
{
m_TrimHandler.stretch = stretch;
ProcessInputAction(m_TrimHandler, action, value, TimelineWindow.instance.state);
}
}
public void SetValueForEdge(IEnumerable<ITimelineItem> items, AttractedEdge edge, double value)
{
if (TimelineWindow.instance != null && TimelineWindow.instance.state != null)
MoveInputHandler.SetValueForEdge(items, edge, value, TimelineWindow.instance.state);
}
public void OnGUI(WindowState state, Event evt)
{
if (TimelineWindow.instance != null && TimelineWindow.instance.state != null)
{
m_MoveHandler.OnGUI(evt);
m_TrimHandler.OnGUI(state);
}
}
static void ProcessInputAction(IInputHandler handler, InputEvent action, double value, WindowState state)
{
var items = SelectionManager.SelectedItems();
switch (action)
{
case InputEvent.None:
return;
case InputEvent.DragEnter:
handler.OnEnterDrag(items, state);
break;
case InputEvent.Drag:
handler.OnDrag(value, state);
break;
case InputEvent.DragExit:
handler.OnExitDrag();
break;
case InputEvent.KeyboardInput:
handler.OnSetValue(items, value, state);
break;
default:
return;
}
}
interface IInputHandler
{
void OnEnterDrag(IEnumerable<ITimelineItem> items, WindowState state);
void OnDrag(double value, WindowState state);
void OnExitDrag();
void OnSetValue(IEnumerable<ITimelineItem> items, double value, WindowState state);
}
class TrimInputHandler : IInputHandler
{
bool isDragging { get; set; }
public bool stretch { get; set; }
IEnumerable<ITimelineItem> grabbedItems { get; set; }
public void OnEnterDrag(IEnumerable<ITimelineItem> items, WindowState state)
{
grabbedItems = items.OfType<ITrimmable>().ToArray();
foreach (var item in grabbedItems)
{
EditMode.BeginTrim(item, TrimEdge.End);
}
isDragging = true;
}
public void OnDrag(double endValue, WindowState state)
{
var trimValue = endValue;
trimValue = TimeReferenceUtility.SnapToFrameIfRequired(trimValue);
foreach (var item in grabbedItems)
{
EditMode.TrimEnd(item, trimValue, stretch);
}
state.UpdateRootPlayableDuration(state.editSequence.duration);
}
public void OnExitDrag()
{
isDragging = false;
EditMode.FinishTrim();
TimelineWindow.instance.Repaint();
}
public void OnSetValue(IEnumerable<ITimelineItem> items, double endValue, WindowState state)
{
foreach (var item in items.OfType<ITrimmable>())
{
EditMode.BeginTrim(item, TrimEdge.End);
EditMode.TrimEnd(item, endValue, stretch);
EditMode.FinishTrim();
}
state.UpdateRootPlayableDuration(state.editSequence.duration);
}
public void OnGUI(WindowState state)
{
if (!isDragging) return;
foreach (var item in grabbedItems)
{
EditMode.DrawTrimGUI(state, item.gui, TrimEdge.End);
}
}
}
class MoveInputHandler : IInputHandler
{
MoveItemHandler m_MoveItemHandler;
public void OnEnterDrag(IEnumerable<ITimelineItem> items, WindowState state)
{
if (items.Any())
{
m_MoveItemHandler = new MoveItemHandler(state);
m_MoveItemHandler.Grab(items, items.First().parentTrack);
}
}
public void OnDrag(double value, WindowState state)
{
if (m_MoveItemHandler == null) return;
var startValue = value;
startValue = TimeReferenceUtility.SnapToFrameIfRequired(startValue);
m_MoveItemHandler.OnAttractedEdge(null, ManipulateEdges.Both, AttractedEdge.None, startValue);
}
public void OnExitDrag()
{
if (m_MoveItemHandler == null) return;
m_MoveItemHandler.Drop();
m_MoveItemHandler = null;
GUIUtility.ExitGUI();
}
public void OnSetValue(IEnumerable<ITimelineItem> items, double value, WindowState state)
{
if (!items.Any()) return;
m_MoveItemHandler = new MoveItemHandler(state);
m_MoveItemHandler.Grab(items, items.First().parentTrack);
m_MoveItemHandler.OnAttractedEdge(null, ManipulateEdges.Both, AttractedEdge.None, value);
m_MoveItemHandler.Drop();
m_MoveItemHandler = null;
}
public void OnGUI(Event evt)
{
if (m_MoveItemHandler != null)
m_MoveItemHandler.OnGUI(evt);
}
public static void SetValueForEdge(IEnumerable<ITimelineItem> items, AttractedEdge edge, double value, WindowState state)
{
var handler = new MoveItemHandler(state);
foreach (var item in items)
{
handler.Grab(new[] { item }, item.parentTrack);
handler.OnAttractedEdge(null, ManipulateEdges.Both, edge, value);
handler.Drop();
}
}
}
}
}
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