public static void FrameRange(float startTime, float endTime, WindowState state)
{
if (startTime > endTime)
{
return;
}
var halfDuration = endTime - Math.Max(0.0f, startTime);
if (halfDuration > 0.0f)
{
state.SetTimeAreaShownRange(Mathf.Max(-10.0f, startTime - (halfDuration * 0.1f)),
endTime + (halfDuration * 0.1f));
}
else
{
// start == end
// keep the zoom level constant, only pan the time area to center the item
var currentRange = state.timeAreaShownRange.y - state.timeAreaShownRange.x;
state.SetTimeAreaShownRange(startTime - currentRange / 2, startTime + currentRange / 2);
}
TimelineZoomManipulator.InvalidateWheelZoom();
state.Evaluate();
}
public static bool HandleShortcut(WindowState state, Event evt, T item)
{
T[] items = { item };
foreach (ItemAction <T> action in actions)
{
var attr = action.GetType().GetCustomAttributes(typeof(ShortcutAttribute), true);
foreach (ShortcutAttribute shortcut in attr)
{
if (shortcut.MatchesEvent(evt))
{
if (s_ShowActionTriggeredByShortcut)
{
Debug.Log(action.GetType().Name);
}
if (!IsActionActiveInMode(action, TimelineWindow.instance.currentMode.mode))
{
return(false);
}
var result = action.Execute(state, items);
state.Refresh();
state.Evaluate();
return(result);
}
}
}
return(false);
}
protected override bool MouseUp(Event evt, WindowState state)
{
if (!m_Dragged)
{
var item = PickerUtils.TopmostPickedItem() as ISelectable;
if (item == null)
{
return(false);
}
if (!item.IsSelected())
{
return(false);
}
// Re-selecting an item part of a multi-selection should only keep this item selected.
if (SelectionManager.Count() > 1 && ItemSelection.CanClearSelection(evt))
{
SelectionManager.Clear();
item.Select();
return(true);
}
if (m_CycleMarkersPending)
{
m_CycleMarkersPending = false;
TimelineMarkerClusterGUI.CycleMarkers();
return(true);
}
return(false);
}
m_TimeAreaAutoPanner = null;
DropItems();
m_SnapEngine = null;
m_MoveItemHandler = null;
state.Evaluate();
state.RemoveCaptured(this);
m_Dragged = false;
TimelineCursors.ClearCursor();
return(true);
}
protected override bool MouseDrag(Event evt, WindowState state)
{
if (state.editSequence.isReadOnly)
{
return(false);
}
// case 1099285 - ctrl-click can cause no clips to be selected
var selectedItemsGUI = SelectionManager.SelectedItems();
if (!selectedItemsGUI.Any())
{
m_Dragged = false;
return(false);
}
const float hDeadZone = 5.0f;
const float vDeadZone = 5.0f;
bool vDone = m_VerticalMovementDone || Math.Abs(evt.mousePosition.y - m_MouseDownPosition.y) > vDeadZone;
bool hDone = m_HorizontalMovementDone || Math.Abs(evt.mousePosition.x - m_MouseDownPosition.x) > hDeadZone;
m_CycleMarkersPending = false;
if (!m_Dragged)
{
var canStartMove = vDone || hDone;
if (canStartMove)
{
state.AddCaptured(this);
m_Dragged = true;
var referenceTrack = GetTrackDropTargetAt(state, m_MouseDownPosition);
foreach (var item in selectedItemsGUI)
{
item.gui.StartDrag();
}
m_MoveItemHandler = new MoveItemHandler(state);
m_MoveItemHandler.Grab(selectedItemsGUI, referenceTrack, m_MouseDownPosition);
m_SnapEngine = new SnapEngine(m_MoveItemHandler, m_MoveItemHandler, ManipulateEdges.Both,
state, m_MouseDownPosition);
m_TimeAreaAutoPanner = new TimeAreaAutoPanner(state);
}
}
if (!m_VerticalMovementDone)
{
m_VerticalMovementDone = vDone;
if (m_VerticalMovementDone)
{
m_MoveItemHandler.OnTrackDetach();
}
}
if (!m_HorizontalMovementDone)
{
m_HorizontalMovementDone = hDone;
}
if (m_Dragged)
{
if (m_HorizontalMovementDone)
{
m_SnapEngine.Snap(evt.mousePosition, evt.modifiers);
}
if (m_VerticalMovementDone)
{
var track = GetTrackDropTargetAt(state, evt.mousePosition);
m_MoveItemHandler.UpdateTrackTarget(track);
}
state.Evaluate();
}
return(true);
}