X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FUndo.h;h=59f3ca44fc93a58975ee459ffc9440e5889a5ac1;hb=fb90076e9065018ee0ef9e16bae2a5d9dcc9436d;hp=c2acf4af216b78060c7ed3893a965fbfecaa57aa;hpb=7760c5ccf2c558e48a54c101b779d0be25d7e7ba;p=lyx.git

diff --git a/src/Undo.h b/src/Undo.h
index c2acf4af21..59f3ca44fc 100644
--- a/src/Undo.h
+++ b/src/Undo.h
@@ -47,6 +47,9 @@ enum UndoKind {
 
 class Undo
 {
+	/// noncopyable
+	Undo(Undo const &);
+	void operator=(Undo const &);
 public:
 
 	Undo(Buffer &);
@@ -80,12 +83,19 @@ public:
 	 *  a single step. This means you can add a group whenever you are not sure.
 	 */
 	void beginUndoGroup();
-
+	/// open a new group as above and specify a cursor to set as cur_before
+	/// of the group's undo elements.
+	/**
+	 * This cursor takes precedence over what is passed to recordUndo.
+	 * In the case of nested groups, only the first cur_before is
+	 * taken into account. The cursor is reset at the end of the
+	 * top-level group.
+	 */
+	void beginUndoGroup(CursorData const & cur_before);
 	/// end the current undo group.
 	void endUndoGroup();
-
 	/// end the current undo group and set UndoElement::cur_after if necessary.
-	void endUndoGroup(CursorData const &);
+	void endUndoGroup(CursorData const & cur_after);
 
 	/// The general case: record undo information for an arbitrary range.
 	/**