-
-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * Copyright (c) 1998 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 *
+ * "Software"), to deal in the Software without restriction, including *
+ * without limitation the rights to use, copy, modify, merge, publish, *
+ * distribute, distribute with modifications, sublicense, and/or sell *
+ * copies of the Software, and to permit persons to whom the Software is *
+ * furnished to do so, subject to the following conditions: *
+ * *
+ * The above copyright notice and this permission notice shall be included *
+ * in all copies or substantial portions of the Software. *
+ * *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
+ * *
+ * Except as contained in this notice, the name(s) of the above copyright *
+ * holders shall not be used in advertising or otherwise to promote the *
+ * sale, use or other dealings in this Software without prior written *
+ * authorization. *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
+ * and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ ****************************************************************************/
#include <curses.priv.h>
-MODULE_ID("$Id: lib_scroll.c,v 1.11 1997/02/01 23:22:54 tom Exp $")
+MODULE_ID("$Id: lib_scroll.c,v 1.16 1998/02/11 12:13:55 tom Exp $")
-void _nc_scroll_window(WINDOW *win, int const n, short const top, short const bottom)
+void _nc_scroll_window(WINDOW *win, int const n, short const top, short const bottom, chtype blank)
{
int line, j;
-chtype blank = _nc_background(win);
size_t to_copy = (size_t)(sizeof(chtype) * (win->_maxx + 1));
TR(TRACE_MOVE, ("_nc_scroll_window(%p, %d, %d, %d)", win, n, top,bottom));
memcpy(win->_line[line].text,
win->_line[line+n].text,
to_copy);
- win->_line[line].oldindex = win->_line[line+n].oldindex;
+ if_USE_SCROLL_HINTS(win->_line[line].oldindex = win->_line[line+n].oldindex);
}
for (line = top; line < top-n; line++) {
for (j = 0; j <= win->_maxx; j ++)
win->_line[line].text[j] = blank;
- win->_line[line].oldindex = _NEWINDEX;
- win->_line[line].firstchar = 0;
- win->_line[line].lastchar = win->_maxx;
+ if_USE_SCROLL_HINTS(win->_line[line].oldindex = _NEWINDEX);
}
}
memcpy(win->_line[line].text,
win->_line[line+n].text,
to_copy);
- win->_line[line].oldindex = win->_line[line+n].oldindex;
+ if_USE_SCROLL_HINTS(win->_line[line].oldindex = win->_line[line+n].oldindex);
}
for (line = bottom; line > bottom-n; line--) {
for (j = 0; j <= win->_maxx; j ++)
win->_line[line].text[j] = blank;
- win->_line[line].oldindex = _NEWINDEX;
- win->_line[line].firstchar = 0;
- win->_line[line].lastchar = win->_maxx;
+ if_USE_SCROLL_HINTS(win->_line[line].oldindex = _NEWINDEX);
}
}
+ touchline(win, top, bottom-top+1);
}
int
{
T((T_CALLED("wscrl(%p,%d)"), win, n));
- if (! win->_scroll)
+ if (!win || !win->_scroll)
returnCode(ERR);
if (n == 0)
(-n > (win->_regbottom - win->_regtop)))
returnCode(ERR);
- _nc_scroll_window(win, n, win->_regtop, win->_regbottom);
- touchline(win, win->_regtop, (int)(win->_regbottom - win->_regtop + 1));
+ _nc_scroll_window(win, n, win->_regtop, win->_regbottom, _nc_background(win));
_nc_synchook(win);
returnCode(OK);
projects / ncurses.git / blobdiff