protected override void OnDragDataGet(Gdk.DragContext context, SelectionData selection_data, uint info, uint time)
{
if (info == Banshee.Gui.DragDrop.DragDropTarget.UriList.Info)
{
ITrackModelSource track_source = ServiceManager.SourceManager.ActiveSource as ITrackModelSource;
if (track_source != null)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (TrackInfo track in track_source.TrackModel.SelectedItems)
{
sb.Append(track.Uri);
sb.Append("\r\n");
}
byte [] data = System.Text.Encoding.UTF8.GetBytes(sb.ToString());
selection_data.Set(context.ListTargets()[0], 8, data, data.Length);
}
}
}
T GetSelectionData <T>(string type, Func <Gtk.SelectionData, T> getData)
{
if (_dragContext != null)
{
#if GTK2
var target = _dragContext.Targets.FirstOrDefault(r => r.Name == type);
#else
var target = _dragContext.ListTargets().FirstOrDefault(r => r.Name == type);
#endif
if (target != null)
{
object data = null;
var sem = new ManualResetEventSlim(false);
_getData = selection =>
{
data = (object)getData(selection);
sem.Set();
};
Gtk.Drag.GetData(_sourceWidget, _dragContext, target, _dragTime);
if (!sem.IsSet)
{
// sometimes data gets passed back at the next run loop, so we pump the loop here
// is there a better way to wait for the data to arrive?
for (int i = 0; i < 2; i++)
{
Gtk.Application.RunIteration();
if (sem.Wait(100))
{
break;
}
}
}
_getData = null;
return((T)data);
}
}
return(default(T));
}
internal bool DoDragDrop(Gdk.DragContext context, int x, int y, uint time)
{
DragDropInfo.LastDragPosition = new Point(x, y);
var cda = ConvertDragAction(context.GetSelectedAction());
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(x, y), Util.GetDragTypes(context.ListTargets()), cda);
ApplicationContext.InvokeUserCode(delegate {
EventSink.OnDragDropCheck(da);
});
res = da.Result;
if ((enabledEvents & WidgetEvent.DragDrop) == 0 && res == DragDropResult.None)
{
res = DragDropResult.Canceled;
}
}
if (res == DragDropResult.Canceled)
{
Gtk.Drag.Finish(context, false, false, time);
return(true);
}
else if (res == DragDropResult.Success)
{
Gtk.Drag.Finish(context, true, cda == DragDropAction.Move, time);
return(true);
}
else
{
// Undefined, we need more data
QueryDragData(context, time, false);
return(true);
}
}
public bool Contains(string type)
{
return(_dragContext?.ListTargets().Any(r => r.Name == type)
?? Control.ContainsKey(type));
}