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/* $OpenBSD: lib_touch.c,v 1.3 2010/01/12 23:22:06 nicm Exp $ */ |
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/**************************************************************************** |
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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 1.3 2010/01/12 23:22:06 nicm 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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} |