/****************************************************************************
- * Copyright (c) 1998,2001,2003 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
#include <curses.priv.h>
-MODULE_ID("$Id: lib_scroll.c,v 1.24 2003/07/26 23:25:26 tom Exp $")
+MODULE_ID("$Id: lib_scroll.c,v 1.25 2004/12/11 18:28:51 tom Exp $")
NCURSES_EXPORT(void)
-_nc_scroll_window(WINDOW *win, int const n, NCURSES_SIZE_T const top,
- NCURSES_SIZE_T const bottom, NCURSES_CH_T blank)
+_nc_scroll_window(WINDOW *win,
+ int const n,
+ NCURSES_SIZE_T const top,
+ NCURSES_SIZE_T const bottom,
+ NCURSES_CH_T blank)
{
int limit;
int line;
}
}
touchline(win, top, bottom - top + 1);
+
+ if_WIDEC({
+ if (WINDOW_EXT(win, addch_used) != 0) {
+ int next = WINDOW_EXT(win, addch_y) + n;
+ if (next < 0 || next > win->_maxy) {
+ TR(TRACE_VIRTPUT,
+ ("Alert discarded multibyte on scroll"));
+ WINDOW_EXT(win, addch_y) = 0;
+ } else {
+ TR(TRACE_VIRTPUT, ("scrolled working position to %d,%d",
+ WINDOW_EXT(win, addch_y),
+ WINDOW_EXT(win, addch_x)));
+ WINDOW_EXT(win, addch_y) = next;
+ }
+ }
+ })
}
NCURSES_EXPORT(int)