public GtkCanvas()
{
this.canvasModel = null;
this.pointerEvent = new GtkPointerEvent(this);
this.ModifyBg(StateType.Normal, new Gdk.Color(0xFF, 0xFF, 0xFF));
this.AddEvents((int)EventMask.ButtonPressMask);
this.AddEvents((int)EventMask.PointerMotionMask);
this.AddEvents((int)EventMask.ButtonReleaseMask);
this.AddEvents((int)EventMask.KeyPressMask);
this.CanFocus = true;
this.CanDefault = true;
this.GrabFocus();
}
internal void RemoveFromSelection( ICanvasModel model, ISelectable item )
{
if ( item is IGroupable )
{
var groupItems = GetGroupMembers( model, item as IGroupable );
foreach ( ISelectable groupItem in groupItems )
{
groupItem.IsSelected = false;
myCurrentSelection.Remove( groupItem );
}
}
else
{
item.IsSelected = false;
myCurrentSelection.Remove( item );
}
OnSelectionChanged();
}
/// <summary>
/// Create a new instance of this class.
/// </summary>
/// <param name="model">Model to use for computing lines.</param>
public LineService(ICanvasModel model)
{
this.canvasModel = model;
}
internal void SelectItem( ICanvasModel model, ISelectable item )
{
ClearSelection();
AddToSelection( model, item );
}
internal IGroupable GetGroupRoot( ICanvasModel model, IGroupable item )
{
var list = model.GetItems<IGroupable>();
return GetRoot( list, item );
}
internal List<IGroupable> GetGroupMembers( ICanvasModel model, IGroupable item )
{
var list = model.GetItems<IGroupable>();
var rootItem = GetRoot( list, item );
return GetGroupMembers( list, rootItem );
}
internal void SelectAll( ICanvasModel model )
{
ClearSelection();
myCurrentSelection.AddRange( model.GetItems<ISelectable>() );
myCurrentSelection.ForEach( item => item.IsSelected = true );
OnSelectionChanged();
}
public DummyPointerEvent(ICanvasModel model, PointerEventType type)
{
this.Model = model;
this.Type = type;
}
