| public static Drag ( Gtk source, Gdk evt, Gtk dragWidget ) : void | ||
| source | Gtk | |
| evt | Gdk | |
| dragWidget | Gtk | |
| return | void | |
protected override void OnDragBegin(Gdk.DragContext ctx)
{
Gtk.Widget ob = CreateItemWidget();
if (ob != null)
{
DND.Drag(this, ctx, ob);
}
}
internal void BeginComponentDrag(ProjectBackend project, string desc, string className, ObjectWrapper wrapper, Gtk.Widget source, Gdk.DragContext ctx, ComponentDropCallback callback)
{
if (wrapper != null)
{
Stetic.Wrapper.ActionPaletteItem it = new Stetic.Wrapper.ActionPaletteItem(Gtk.UIManagerItemType.Menuitem, null, (Wrapper.Action)wrapper);
DND.Drag(source, ctx, it);
}
else if (callback != null)
{
DND.Drag(source, ctx, delegate()
{
callback();
// If the class name has an assembly name, remove it now
int i = className.IndexOf(',');
if (i != -1)
{
className = className.Substring(0, i);
}
ClassDescriptor cls = Registry.LookupClassByName(className);
if (cls != null)
{
return(cls.NewInstance(project) as Gtk.Widget);
}
else
{
// Class not found, show an error
string msg = string.Format("The widget '{0}' could not be found.", className);
Gtk.MessageDialog dlg = new Gtk.MessageDialog(null, Gtk.DialogFlags.Modal, Gtk.MessageType.Error, Gtk.ButtonsType.Close, msg);
dlg.Run();
dlg.Destroy();
return(null);
}
},
(desc != null && desc.Length > 0) ? desc : className
);
}
else
{
ClassDescriptor cls = Registry.LookupClassByName(className);
DND.Drag(source, ctx, cls.NewInstance(project) as Gtk.Widget);
}
}