protected virtual void RenderEvent(FrameRange viewRange, FrameRange validKeyframeRange)
{
bool leftHandleVisible = viewRange.Contains(Evt.Start);
bool rightHandleVisible = viewRange.Contains(Evt.End);
Rect leftHandleRect = _eventRect; leftHandleRect.width = 4;
Rect rightHandleRect = _eventRect; rightHandleRect.xMin = rightHandleRect.xMax - 4;
if (leftHandleVisible && IsSelected)
{
EditorGUIUtility.AddCursorRect(leftHandleRect, MouseCursor.ResizeHorizontal, _leftHandleGuiId);
}
if (rightHandleVisible && IsSelected)
{
EditorGUIUtility.AddCursorRect(rightHandleRect, MouseCursor.ResizeHorizontal, _rightHandleGuiId);
}
switch (Event.current.type)
{
case EventType.Repaint:
if (!viewRange.Overlaps(Evt.FrameRange))
{
break;
}
GUIStyle evtStyle = GetEventStyle();
GUI.backgroundColor = GetColor();
evtStyle.Draw(_eventRect, _isSelected, _isSelected, false, false);
string text = Evt.Text;
if (text != null)
{
var style = GetTextStyle();
//style.alignment = TextAnchor.MiddleCenter;
GUI.Label(_eventRect, text, style);
}
/*
* var leftRect = _eventRect;
* leftRect.xMax = leftRect.xMin + 16;
* GUI.Label(leftRect, Evt.Start.ToString(), GetTextStyle());
* var rightRect = _eventRect;
* rightRect.xMin = rightRect.xMax - 16;
* GUI.Label(rightRect, Evt.End.ToString(), GetTextStyle());
*/
break;
case EventType.MouseDown:
if (EditorGUIUtility.hotControl == 0 && IsSelected && !Event.current.control && !Event.current.shift)
{
Vector2 mousePos = Event.current.mousePosition;
if (Event.current.button == 0) // left click?
{
if (rightHandleVisible && rightHandleRect.Contains(mousePos))
{
EditorGUIUtility.hotControl = _rightHandleGuiId;
// keyframeOnSelect = evt.Start;
Event.current.Use();
}
else if (leftHandleVisible && leftHandleRect.Contains(mousePos))
{
EditorGUIUtility.hotControl = _leftHandleGuiId;
// keyframeOnSelect = evt.End;
Event.current.Use();
}
else if (_eventRect.Contains(mousePos))
{
EditorGUIUtility.hotControl = GuiId;
_mouseOffsetFrames = SequenceEditor.GetFrameForX(mousePos.x) - Evt.Start;
if (IsSelected)
{
if (Event.current.control)
{
SequenceEditor.Deselect(this);
}
}
else
{
if (Event.current.shift)
{
SequenceEditor.Select(this);
}
else if (!Event.current.control)
{
SequenceEditor.SelectExclusive(this);
}
}
Event.current.Use();
}
}
else if (Event.current.button == 1 && _eventRect.Contains(Event.current.mousePosition)) // right click?
{
CreateEventContextMenu().ShowAsContext();
Event.current.Use();
}
}
break;
case EventType.MouseUp:
if (EditorGUIUtility.hotControl != 0)
{
if (EditorGUIUtility.hotControl == GuiId ||
EditorGUIUtility.hotControl == _leftHandleGuiId ||
EditorGUIUtility.hotControl == _rightHandleGuiId)
{
EditorGUIUtility.hotControl = 0;
Event.current.Use();
SequenceEditor.Repaint();
FinishMovingEventEditors();
}
}
break;
case EventType.MouseDrag:
if (EditorGUIUtility.hotControl != 0)
{
if (EditorGUIUtility.hotControl == GuiId)
{
int t = SequenceEditor.GetFrameForX(Event.current.mousePosition.x) - _mouseOffsetFrames;
int delta = t - Evt.Start;
SequenceEditor.MoveEvents(delta);
Event.current.Use();
}
else if (EditorGUIUtility.hotControl == _leftHandleGuiId || EditorGUIUtility.hotControl == _rightHandleGuiId)
{
int leftLimit = 0;
int rightLimit = 0;
bool draggingStart = EditorGUIUtility.hotControl == _leftHandleGuiId;
if (draggingStart)
{
leftLimit = validKeyframeRange.Start;
rightLimit = Evt.End - 1;
}
else
{
leftLimit = Evt.Start + 1;
rightLimit = validKeyframeRange.End;
}
int t = SequenceEditor.GetFrameForX(Event.current.mousePosition.x);
t = Mathf.Clamp(t, leftLimit, rightLimit);
int delta = t - (draggingStart ? Evt.Start : Evt.End);
if (draggingStart)
{
int newLength = Evt.Length - delta;
if (newLength < Evt.GetMinLength())
{
delta += newLength - Evt.GetMinLength();
}
if (newLength > Evt.GetMaxLength())
{
delta += newLength - Evt.GetMaxLength();
}
}
else
{
int newLength = Evt.Length + delta;
if (newLength < Evt.GetMinLength())
{
delta -= newLength - Evt.GetMinLength();
}
if (newLength > Evt.GetMaxLength())
{
delta -= newLength - Evt.GetMaxLength();
}
}
if (delta != 0)
{
if (draggingStart)
{
SequenceEditor.ResizeEventsLeft(delta);
}
else
{
SequenceEditor.ResizeEventsRight(delta);
}
}
Event.current.Use();
}
}
break;
case EventType.Ignore:
if (EditorGUIUtility.hotControl == GuiId ||
EditorGUIUtility.hotControl == _leftHandleGuiId ||
EditorGUIUtility.hotControl == _rightHandleGuiId)
{
EditorGUIUtility.hotControl = 0;
SequenceEditor.Repaint();
FinishMovingEventEditors();
}
break;
}
}