public static ISelectable HandleSingleSelection(Event evt)
{
var item = PickerUtils.PickedSelectable();
if (item != null)
{
var selected = item.IsSelected();
if (!selected && CanClearSelection(evt))
{
SelectionManager.Clear();
}
if (evt.modifiers == EventModifiers.Shift)
{
if (!selected)
{
RangeSelectItems((item as TimelineItemGUI).item);
}
}
else
{
HandleItemSelection(evt, item);
}
}
return(item);
}
void SelectionChangedCallback(int[] ids)
{
if (Event.current.button == 1)
{
var selectableItem = PickerUtils.PickedSelectable();
if (selectableItem != null)
{
return;
}
}
if (Event.current.command || Event.current.control || Event.current.shift)
{
SelectionManager.UnSelectTracks();
}
else
{
SelectionManager.Clear();
}
foreach (var id in ids)
{
var trackGUI = (TimelineTrackBaseGUI)m_TreeView.FindItem(id);
SelectionManager.Add(trackGUI.track);
}
m_State.GetWindow().Repaint();
}
protected override bool ContextClick(Event evt, WindowState state)
{
if (evt.alt)
{
return(false);
}
var selectable = PickerUtils.PickedSelectable();
if (selectable != null && selectable.IsSelected())
{
SequencerContextMenu.ShowItemContextMenu(evt.mousePosition);
return(true);
}
var trackGUI = PickerUtils.PickedTrackBaseGUI();
if (trackGUI != null)
{
SelectionManager.SelectOnly(trackGUI.track);
trackGUI.drawer.trackMenuContext.clipTimeCreation = TrackDrawer.TrackMenuContext.ClipTimeCreation.Mouse;
trackGUI.drawer.trackMenuContext.mousePosition = evt.mousePosition;
trackGUI.DisplayTrackMenu();
return(true);
}
return(false);
}
protected override bool MouseUp(Event evt, WindowState state)
{
if (!m_Dragged)
{
var item = PickerUtils.PickedSelectable();
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);
}
