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92 lines
3.5 KiB
C
92 lines
3.5 KiB
C
/****************************************************************************
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* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
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* and: Eric S. Raymond <esr@snark.thyrsus.com> *
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****************************************************************************/
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/*
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** lib_touch.c
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**
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** The routines untouchwin(),
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** wtouchln(),
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** is_linetouched()
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** is_wintouched().
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**
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*/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_touch.c,v 1.9 2000/12/10 02:43:27 tom Exp $")
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NCURSES_EXPORT(bool)
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is_linetouched(WINDOW *win, int line)
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{
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T((T_CALLED("is_linetouched(%p,%d)"), win, line));
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/* XSI doesn't define any error */
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if (!win || (line > win->_maxy) || (line < 0))
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returnCode((bool) ERR);
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returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE);
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}
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NCURSES_EXPORT(bool)
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is_wintouched(WINDOW *win)
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{
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int i;
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T((T_CALLED("is_wintouched(%p)"), win));
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if (win)
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for (i = 0; i <= win->_maxy; i++)
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if (win->_line[i].firstchar != _NOCHANGE)
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returnCode(TRUE);
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returnCode(FALSE);
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}
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NCURSES_EXPORT(int)
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wtouchln(WINDOW *win, int y, int n, int changed)
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{
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int i;
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T((T_CALLED("wtouchln(%p,%d,%d,%d)"), win, y, n, changed));
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if (!win || (n < 0) || (y < 0) || (y > win->_maxy))
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returnCode(ERR);
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for (i = y; i < y + n; i++) {
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if (i > win->_maxy)
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break;
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win->_line[i].firstchar = changed ? 0 : _NOCHANGE;
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win->_line[i].lastchar = changed ? win->_maxx : _NOCHANGE;
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}
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returnCode(OK);
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}
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