+/****************************************************************************
+ * 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. *
+ ****************************************************************************/
-/***************************************************************************
-* 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. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * 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_clreol.c,v 1.9 1997/02/01 23:22:54 tom Exp $")
+MODULE_ID("$Id: lib_clreol.c,v 1.14 1998/02/11 12:13:55 tom Exp $")
int wclrtoeol(WINDOW *win)
{
-chtype *maxx, *ptr, *end;
-short y, x, minx;
+int code = ERR;
+chtype blank;
+chtype *ptr, *end;
+short y, x;
T((T_CALLED("wclrtoeol(%p)"), win));
- y = win->_cury;
- x = win->_curx;
+ if (win) {
- /*
- * We don't want to clear if we just wrapped the cursor. There's no
- * point in clearing if we're not on a legal position, either.
- */
- if (win->_flags & _WRAPPED
- || y > win->_maxy
- || x > win->_maxx)
- returnCode(ERR);
+ y = win->_cury;
+ x = win->_curx;
- end = &win->_line[y].text[win->_maxx];
- minx = _NOCHANGE;
- maxx = &win->_line[y].text[x];
-
- for (ptr = maxx; ptr <= end; ptr++) {
- chtype blank = _nc_background(win);
-
- if (*ptr != blank) {
- maxx = ptr;
- if (minx == _NOCHANGE)
- minx = ptr - win->_line[y].text;
- *ptr = blank;
- }
- }
-
- if (minx != _NOCHANGE) {
- if (win->_line[y].firstchar > minx || win->_line[y].firstchar == _NOCHANGE)
- win->_line[y].firstchar = minx;
-
- if (win->_line[y].lastchar < maxx - win->_line[y].text)
- win->_line[y].lastchar = maxx - win->_line[y].text;
+ /*
+ * If we have just wrapped the cursor, the clear applies to the new
+ * line, unless we are at the lower right corner.
+ */
+ if (win->_flags & _WRAPPED
+ && y < win->_maxy) {
+ win->_flags &= ~_WRAPPED;
+ }
+
+ /*
+ * There's no point in clearing if we're not on a legal position,
+ * either.
+ */
+ if (win->_flags & _WRAPPED
+ || y > win->_maxy
+ || x > win->_maxx)
+ returnCode(ERR);
+
+ blank = _nc_background(win);
+ end = &win->_line[y].text[win->_maxx];
+
+ for (ptr = &win->_line[y].text[x]; ptr <= end; ptr++)
+ *ptr = blank;
+
+ if (win->_line[y].firstchar > win->_curx
+ || win->_line[y].firstchar == _NOCHANGE)
+ win->_line[y].firstchar = win->_curx;
+
+ win->_line[y].lastchar = win->_maxx;
+
+ _nc_synchook(win);
+ code = OK;
}
- _nc_synchook(win);
- returnCode(OK);
+ returnCode(code);
}
projects / ncurses.git / blobdiff