public virtual void HandleDragDrop(object o, Gtk.DragDropArgs args)
{
DragArgs = GetDragEventArgs(args.Context, new PointF(args.X, args.Y), args.Time);
Handler.Callback.OnDragDrop(Handler.Widget, DragArgs);
Gtk.Drag.Finish(args.Context, true, DragArgs.Effects.HasFlag(DragEffects.Move), args.Time);
DragArgs = null;
args.RetVal = true;
}
public override void HandleDragDrop(object o, Gtk.DragDropArgs args)
{
// use the info from last drag if it was set
var info = Handler?.GetDragInfo(DragArgs);
if (info?.IsChanged == true)
{
_dragInfo = info;
}
base.HandleDragDrop(o, args);
_dragInfo = null;
}
void FixedDragDrop(object obj, Gtk.DragDropArgs args)
{
Gtk.Widget w = DND.Drop(args.Context, gtkfixed, args.Time);
Widget ww = Widget.Lookup(w);
if (ww != null)
{
gtkfixed.Put(w, args.X - DND.DragHotX, args.Y - DND.DragHotY);
NotifyChildAdded(w);
args.RetVal = true;
ww.Select();
}
}
void HandleStatBarDragDrop
(object sender, Gtk.DragDropArgs args)
{
isChecked = !isChecked;
if (isChecked)
{
sBar.Push((uint)StatusType.Checked, "Checked");
}
else
{
sBar.Pop((uint)StatusType.Checked);
}
}
static void FaultDragDrop(object obj, Gtk.DragDropArgs args)
{
Gtk.Widget w = DND.Drop(args.Context, (Gtk.Widget)obj, args.Time);
Stetic.Wrapper.Widget dropped = Stetic.Wrapper.Widget.Lookup(w);
if (dropped != null)
{
Gtk.Widget targetWidget = (Gtk.Widget)obj;
int px = args.X + targetWidget.Allocation.X;
int py = args.Y + targetWidget.Allocation.Y;
FaultDrop(dropped, px, py, targetWidget);
args.RetVal = true;
}
}
void HandleTargetDragDrop
(object sender, Gtk.DragDropArgs args)
{
Console.WriteLine("drop");
if (args.Context.Targets.Length != 0)
{
Gtk.Drag.GetData
((Gtk.Widget)sender, args.Context,
args.Context.Targets[0], args.Time);
args.RetVal = true;
}
args.RetVal = false;
}
void HandleWidgetDragDrop(object o, Gtk.DragDropArgs args)
{
lastDragPosition = new Point(args.X, args.Y);
var cda = ConvertDragAction(args.Context.Action);
DragDropResult res;
if ((enabledEvents & WidgetEvent.DragDropCheck) == 0)
{
if ((enabledEvents & WidgetEvent.DragDrop) != 0)
{
res = DragDropResult.None;
}
else
{
res = DragDropResult.Canceled;
}
}
else
{
DragCheckEventArgs da = new DragCheckEventArgs(new Point(args.X, args.Y), Util.GetDragTypes(args.Context.Targets), cda);
Toolkit.Invoke(delegate {
EventSink.OnDragDropCheck(da);
});
res = da.Result;
if ((enabledEvents & WidgetEvent.DragDrop) == 0 && res == DragDropResult.None)
{
res = DragDropResult.Canceled;
}
}
if (res == DragDropResult.Canceled)
{
args.RetVal = true;
Gtk.Drag.Finish(args.Context, false, false, args.Time);
}
else if (res == DragDropResult.Success)
{
args.RetVal = true;
Gtk.Drag.Finish(args.Context, true, cda == DragDropAction.Move, args.Time);
}
else
{
// Undefined, we need more data
args.RetVal = true;
QueryDragData(args.Context, args.Time, false);
}
}
void HandleWidgetDragDrop(object o, Gtk.DragDropArgs args)
{
args.RetVal = DoDragDrop(args.Context, args.X, args.Y, args.Time);
}
/// <summary>
/// Handles the drag drop event.
/// </summary>
/// <param name="o">The menu layout Gtk.TreeView.</param>
/// <param name="args">The event data.</param>
protected void HandleDragDrop(object o, Gtk.DragDropArgs args)
{
DebugDragDrop("HandleDragDrop");
}
void OnLabelDragDrop(object sender, Gtk.DragDropArgs args)
{
Gtk.Drag.GetData
((Gtk.Widget)sender, args.Context,
args.Context.Targets[0], args.Time);
}
