150276Speter/**************************************************************************** 2262685Sdelphij * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 3050276Speter * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 3150276Speter * and: Eric S. Raymond <esr@snark.thyrsus.com> * 3250276Speter ****************************************************************************/ 3350276Speter 3450276Speter/* 3550276Speter** lib_touch.c 3650276Speter** 3750276Speter** The routines untouchwin(), 3850276Speter** wtouchln(), 3950276Speter** is_linetouched() 4050276Speter** is_wintouched(). 4150276Speter** 4250276Speter*/ 4350276Speter 4450276Speter#include <curses.priv.h> 4550276Speter 46262685SdelphijMODULE_ID("$Id: lib_touch.c,v 1.12 2012/06/09 20:29:33 tom Exp $") 4750276Speter 4876726SpeterNCURSES_EXPORT(bool) 4976726Speteris_linetouched(WINDOW *win, int line) 5050276Speter{ 51262629Sdelphij T((T_CALLED("is_linetouched(%p,%d)"), (void *) win, line)); 5250276Speter 5376726Speter /* XSI doesn't define any error */ 5476726Speter if (!win || (line > win->_maxy) || (line < 0)) 5576726Speter returnCode((bool) ERR); 5650276Speter 5776726Speter returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE); 5850276Speter} 5950276Speter 6076726SpeterNCURSES_EXPORT(bool) 6176726Speteris_wintouched(WINDOW *win) 6250276Speter{ 6376726Speter int i; 6450276Speter 65262629Sdelphij T((T_CALLED("is_wintouched(%p)"), (void *) win)); 6650276Speter 6776726Speter if (win) 6876726Speter for (i = 0; i <= win->_maxy; i++) 6976726Speter if (win->_line[i].firstchar != _NOCHANGE) 7076726Speter returnCode(TRUE); 7176726Speter returnCode(FALSE); 7250276Speter} 7350276Speter 7476726SpeterNCURSES_EXPORT(int) 7576726Speterwtouchln(WINDOW *win, int y, int n, int changed) 7650276Speter{ 7776726Speter int i; 7850276Speter 79262629Sdelphij T((T_CALLED("wtouchln(%p,%d,%d,%d)"), (void *) win, y, n, changed)); 8050276Speter 8176726Speter if (!win || (n < 0) || (y < 0) || (y > win->_maxy)) 8276726Speter returnCode(ERR); 8350276Speter 8476726Speter for (i = y; i < y + n; i++) { 8576726Speter if (i > win->_maxy) 8676726Speter break; 87262685Sdelphij win->_line[i].firstchar = (NCURSES_SIZE_T) (changed ? 0 : _NOCHANGE); 88262629Sdelphij win->_line[i].lastchar = (NCURSES_SIZE_T) (changed 89262629Sdelphij ? win->_maxx 90262629Sdelphij : _NOCHANGE); 9176726Speter } 9276726Speter returnCode(OK); 9350276Speter} 94