2021-01-13 Fred Gleason <fredg@paravelsystems.com>

* Renamed the 'RDCartDrag' class to 'RD3CartDrag'.
	* Renamed the 'RDEmptyCart' widget to 'RD3EmptyCart'.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>

lib/rd3cartdrag.h

@@ -0,0 +1,52 @@
+// rd3cartdrag.h
+//
+// Stored value drag object for Rivendell carts.
+//
+//   (C) Copyright 2013-2018 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public
+//   License along with this program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#ifndef RD3CARTDRAG_H
+#define RD3CARTDRAG_H
+
+#include <qcolor.h>
+#include <qpixmap.h>
+
+#include <q3dragobject.h>
+
+#include <rdcart.h>
+#include <rdlog_line.h>
+
+class RD3CartDrag : public Q3StoredDrag
+{
+ public:
+  RD3CartDrag(unsigned cartnum,const QPixmap *icon,const QColor &color,
+	      QWidget *src=0);
+  RD3CartDrag(unsigned cartnum,const QString &title,const QColor &color,
+	      QWidget *src=0);
+  static bool canDecode(QMimeSource *e);
+  static bool decode(QMimeSource *e,unsigned *cartnum,QColor *color=NULL,
+		     QString *title=NULL);
+  static bool decode(QMimeSource *e,RDLogLine *ll,
+		     RDLogLine::TransType next_trans=RDLogLine::Segue,
+		     int log_mach=0,bool timescale=false,
+		     RDLogLine::TransType trans=RDLogLine::NoTrans);
+
+ private:
+  void SetData(unsigned cartnum,const QColor &color,const QString &title);
+};
+
+
+#endif  // RD3CARTDRAG_H