mirror of
https://github.com/Aigor44/ncursesw-morphos.git
synced 2024-12-27 07:49:06 +08:00
3a0d9d27e0
+ quiet some pedantic gcc warnings. + modify _nc_wgetch() to check for a -1 in the fifo, e.g., after a SIGWINCH, and discard that value, to avoid confusing application (patch by Eygene Ryabinkin, FreeBSD bin/136223).
93 lines
3.5 KiB
C
93 lines
3.5 KiB
C
/****************************************************************************
|
|
* Copyright (c) 1998-2005,2009 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> *
|
|
* and: Thomas E. Dickey 1996-on *
|
|
****************************************************************************/
|
|
|
|
/*
|
|
** lib_erase.c
|
|
**
|
|
** The routine werase().
|
|
**
|
|
*/
|
|
|
|
#include <curses.priv.h>
|
|
|
|
MODULE_ID("$Id: lib_erase.c,v 1.17 2009/10/24 22:32:29 tom Exp $")
|
|
|
|
NCURSES_EXPORT(int)
|
|
werase(WINDOW *win)
|
|
{
|
|
int code = ERR;
|
|
int y;
|
|
NCURSES_CH_T blank;
|
|
NCURSES_CH_T *sp, *end, *start;
|
|
|
|
T((T_CALLED("werase(%p)"), (void *) win));
|
|
|
|
if (win) {
|
|
blank = win->_nc_bkgd;
|
|
for (y = 0; y <= win->_maxy; y++) {
|
|
start = win->_line[y].text;
|
|
end = &start[win->_maxx];
|
|
|
|
/*
|
|
* If this is a derived window, we have to handle the case where
|
|
* a multicolumn character extends into the window that we are
|
|
* erasing.
|
|
*/
|
|
if_WIDEC({
|
|
if (isWidecExt(start[0])) {
|
|
int x = (win->_parent != 0) ? (win->_begx) : 0;
|
|
while (x-- > 0) {
|
|
if (isWidecBase(start[-1])) {
|
|
--start;
|
|
break;
|
|
}
|
|
--start;
|
|
}
|
|
}
|
|
});
|
|
|
|
for (sp = start; sp <= end; sp++)
|
|
*sp = blank;
|
|
|
|
win->_line[y].firstchar = 0;
|
|
win->_line[y].lastchar = win->_maxx;
|
|
}
|
|
win->_curx = win->_cury = 0;
|
|
win->_flags &= ~_WRAPPED;
|
|
_nc_synchook(win);
|
|
code = OK;
|
|
}
|
|
returnCode(code);
|
|
}
|