Rect GetDopeElementRect(IDopeElement dopeElement)
{
Texture defaultDopeKeyIcon = styles.defaultDopeKeyIcon.image;
float time = m_TimeArea.TimeToPixel(SnapToFrame(dopeElement.time), m_ContentRect);
return(new Rect(time - (defaultDopeKeyIcon.width / 2), m_ContentRect.y, defaultDopeKeyIcon.width, defaultDopeKeyIcon.height));
}
public void DoTimeline(Rect rectArea)
{
Init();
if (Event.current.type == EventType.Repaint)
{
m_TimeArea.rect = rectArea;
}
m_TimeArea.BeginViewGUI();
m_TimeArea.EndViewGUI();
GUI.BeginGroup(rectArea);
Rect rect = new Rect(0f, 0f, rectArea.width, rectArea.height);
m_HeaderRect = new Rect(0f, 0f, rectArea.width, 18f);
m_ContentRect = new Rect(0f, 18f, rectArea.width, rectArea.height - m_HeaderRect.height);
float playHeadPosX = m_TimeArea.TimeToPixel(Time, rectArea);
Rect playHeadRect = new Rect(playHeadPosX - styles.playhead.fixedWidth * 0.5f - 4f, 4f, styles.playhead.fixedWidth, styles.playhead.fixedHeight);
if (Event.current.type == EventType.MouseDown && rect.Contains(Event.current.mousePosition))
{
GUIUtility.hotControl = id;
GUIUtility.keyboardControl = id;
if (playHeadRect.Contains(Event.current.mousePosition))
{
m_StartValue = playHeadPosX;
m_DragState = Timeline.DragStates.Playhead;
}
else if (m_HeaderRect.Contains(Event.current.mousePosition))
{
m_DragState = Timeline.DragStates.TimeLine;
Time = SnapToFrame(m_TimeArea.PixelToTime(Event.current.mousePosition.x, rectArea));
GUI.changed = true;
}
else
{
for (var i = dopeElements.GetEnumerator(); i.MoveNext();)
{
IDopeElement element = i.Current;
Rect position = GetDopeElementRect(element);
if (position.Contains(Event.current.mousePosition))
{
m_DragState = DragStates.Element;
m_StartValue = m_TimeArea.TimeToPixel(element.time, rectArea);
Time = SnapToFrame(element.time);
selectedElement = element;
GUI.changed = true;
}
}
}
Event.current.Use();
}
if (Event.current.type == EventType.MouseDrag && GUIUtility.hotControl == this.id)
{
switch (m_DragState)
{
case Timeline.DragStates.Playhead:
m_StartValue += Event.current.delta.x;
Time = SnapToFrame(m_TimeArea.PixelToTime(m_StartValue, rectArea));
break;
case Timeline.DragStates.TimeLine:
Time = SnapToFrame(m_TimeArea.PixelToTime(Event.current.mousePosition.x, rectArea));
break;
case Timeline.DragStates.Element:
if (canEditDopeElements)
{
m_StartValue += Event.current.delta.x;
selectedElement.time = SnapToFrame(m_TimeArea.PixelToTime(m_StartValue, rectArea));
}
break;
}
Event.current.Use();
GUI.changed = true;
}
if (Event.current.type == EventType.MouseUp && GUIUtility.hotControl == this.id)
{
switch (m_DragState)
{
case Timeline.DragStates.Playhead:
break;
case Timeline.DragStates.TimeLine:
break;
case Timeline.DragStates.Element:
if (canEditDopeElements)
{
selectedElement.Flush();
selectedElement = null;
}
break;
}
GUI.changed = true;
m_DragState = Timeline.DragStates.None;
GUIUtility.hotControl = 0;
Event.current.Use();
}
GUI.Box(m_HeaderRect, GUIContent.none, this.styles.header);
GUI.Box(m_ContentRect, GUIContent.none, this.styles.background);
m_TimeArea.TimeRuler(m_HeaderRect, FrameRate);
GUI.Box(playHeadRect, GUIContent.none, styles.playhead);
DopeLineRepaint();
GUI.EndGroup();
}
