lib_bkgd.c revision 50276
150276Speter/**************************************************************************** 250276Speter * Copyright (c) 1998 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#include <curses.priv.h> 3550276Speter 3650276SpeterMODULE_ID("$Id: lib_bkgd.c,v 1.12 1998/02/11 12:13:54 tom Exp $") 3750276Speter 3850276Spetervoid wbkgdset(WINDOW *win, chtype ch) 3950276Speter{ 4050276Speter T((T_CALLED("wbkgdset(%p,%s)"), win, _tracechtype(ch))); 4150276Speter 4250276Speter if (win) { 4350276Speter chtype off = AttrOf(win->_bkgd); 4450276Speter chtype on = AttrOf(ch); 4550276Speter 4650276Speter toggle_attr_off(win->_attrs,off); 4750276Speter toggle_attr_on (win->_attrs,on); 4850276Speter 4950276Speter if (TextOf(ch)==0) 5050276Speter ch |= BLANK; 5150276Speter win->_bkgd = ch; 5250276Speter } 5350276Speter returnVoid; 5450276Speter} 5550276Speter 5650276Speterint wbkgd(WINDOW *win, const chtype ch) 5750276Speter{ 5850276Speter int code = ERR; 5950276Speter int x, y; 6050276Speter chtype new_bkgd = ch; 6150276Speter 6250276Speter T((T_CALLED("wbkgd(%p,%s)"), win, _tracechtype(new_bkgd))); 6350276Speter 6450276Speter if (win) { 6550276Speter chtype old_bkgd = getbkgd(win); 6650276Speter 6750276Speter wbkgdset(win, new_bkgd); 6850276Speter wattrset(win, AttrOf(win->_bkgd)); 6950276Speter 7050276Speter for (y = 0; y <= win->_maxy; y++) { 7150276Speter for (x = 0; x <= win->_maxx; x++) { 7250276Speter if (win->_line[y].text[x] == old_bkgd) 7350276Speter win->_line[y].text[x] = win->_bkgd; 7450276Speter else 7550276Speter win->_line[y].text[x] = 7650276Speter _nc_render(win,(A_ALTCHARSET & 7750276Speter AttrOf(win->_line[y].text[x])) 7850276Speter | TextOf(win->_line[y].text[x])); 7950276Speter } 8050276Speter } 8150276Speter touchwin(win); 8250276Speter _nc_synchook(win); 8350276Speter code = OK; 8450276Speter } 8550276Speter returnCode(code); 8650276Speter} 87