/* undo handling for GNU Emacs.
- Copyright (C) 1990, 1993, 1994, 2000, 2002, 2003, 2004,
- 2005 Free Software Foundation, Inc.
+ Copyright (C) 1990, 1993, 1994, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GNU Emacs.
#include "lisp.h"
#include "buffer.h"
#include "commands.h"
+#include "window.h"
/* Limits controlling how much undo information to keep. */
/* If we are just after an undo boundary, and
point wasn't at start of deleted range, record where it was. */
if (at_boundary
- && last_point_position != pt
- /* If we're called from batch mode, this could be nil. */
&& BUFFERP (last_point_position_buffer)
+ /* If we're called from batch mode, this could be nil. */
&& current_buffer == XBUFFER (last_point_position_buffer))
- current_buffer->undo_list
- = Fcons (make_number (last_point_position), current_buffer->undo_list);
+ {
+ /* If we have switched windows, use the point value
+ from the window we are in. */
+ if (! EQ (last_point_position_window, selected_window))
+ last_point_position = marker_position (XWINDOW (selected_window)->pointm);
+
+ if (last_point_position != pt)
+ current_buffer->undo_list
+ = Fcons (make_number (last_point_position), current_buffer->undo_list);
+ }
}
/* Record an insertion that just happened or is about to happen,
&& size_so_far > XINT (Vundo_outer_limit)
&& !NILP (Vundo_outer_limit_function))
{
- Lisp_Object temp = last_undo_buffer;
+ Lisp_Object temp = last_undo_buffer, tem;
/* Normally the function this calls is undo-outer-limit-truncate. */
- if (! NILP (call1 (Vundo_outer_limit_function,
- make_number (size_so_far))))
+ tem = call1 (Vundo_outer_limit_function, make_number (size_so_far));
+ if (! NILP (tem))
{
/* The function is responsible for making
any desired changes in buffer-undo-list. */