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https://github.com/Aigor44/ncursesw-morphos.git
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377 lines
9.6 KiB
C
377 lines
9.6 KiB
C
/****************************************************************************
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* Copyright (c) 1998-2008,2009 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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* and: Thomas E. Dickey 1996-on *
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* and: Juergen Pfeifer 2009 *
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****************************************************************************/
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/*
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** lib_options.c
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**
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** The routines to handle option setting.
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**
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*/
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#include <curses.priv.h>
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#ifndef CUR
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#define CUR SP_TERMTYPE
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#endif
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MODULE_ID("$Id: lib_options.c,v 1.69 2009/07/25 16:05:16 tom Exp $")
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NCURSES_EXPORT(int)
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idlok(WINDOW *win, bool flag)
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{
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int res = ERR;
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T((T_CALLED("idlok(%p,%d)"), win, flag));
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if (win) {
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SCREEN *sp = _nc_screen_of(win);
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if (sp && IsTermInfo(sp)) {
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sp->_nc_sp_idlok =
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win->_idlok = (flag && (NCURSES_SP_NAME(has_il) (NCURSES_SP_ARG)
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|| change_scroll_region));
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res = OK;
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}
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}
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returnCode(res);
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}
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NCURSES_EXPORT(void)
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idcok(WINDOW *win, bool flag)
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{
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T((T_CALLED("idcok(%p,%d)"), win, flag));
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if (win) {
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SCREEN *sp = _nc_screen_of(win);
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sp->_nc_sp_idcok = win->_idcok = (flag && NCURSES_SP_NAME(has_ic) (NCURSES_SP_ARG));
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}
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returnVoid;
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}
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NCURSES_EXPORT(int)
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NCURSES_SP_NAME(halfdelay) (NCURSES_SP_DCLx int t)
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{
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T((T_CALLED("halfdelay(%p,%d)"), SP_PARM, t));
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if (t < 1 || t > 255 || !IsValidTIScreen(SP_PARM))
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returnCode(ERR);
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NCURSES_SP_NAME(cbreak) (NCURSES_SP_ARG);
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SP_PARM->_cbreak = t + 1;
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returnCode(OK);
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}
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#if NCURSES_SP_FUNCS
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NCURSES_EXPORT(int)
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halfdelay(int t)
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{
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return NCURSES_SP_NAME(halfdelay) (CURRENT_SCREEN, t);
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}
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#endif
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NCURSES_EXPORT(int)
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nodelay(WINDOW *win, bool flag)
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{
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T((T_CALLED("nodelay(%p,%d)"), win, flag));
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if (win) {
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if (flag == TRUE)
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win->_delay = 0;
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else
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win->_delay = -1;
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returnCode(OK);
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} else
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returnCode(ERR);
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}
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NCURSES_EXPORT(int)
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notimeout(WINDOW *win, bool f)
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{
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T((T_CALLED("notimeout(%p,%d)"), win, f));
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if (win) {
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win->_notimeout = f;
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returnCode(OK);
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} else
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returnCode(ERR);
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}
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NCURSES_EXPORT(void)
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wtimeout(WINDOW *win, int delay)
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{
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T((T_CALLED("wtimeout(%p,%d)"), win, delay));
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if (win) {
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win->_delay = delay;
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}
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returnVoid;
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}
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NCURSES_EXPORT(int)
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keypad(WINDOW *win, bool flag)
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{
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T((T_CALLED("keypad(%p,%d)"), win, flag));
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if (win) {
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win->_use_keypad = flag;
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returnCode(_nc_keypad(_nc_screen_of(win), flag));
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} else
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returnCode(ERR);
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}
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NCURSES_EXPORT(int)
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meta(WINDOW *win GCC_UNUSED, bool flag)
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{
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int result = ERR;
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SCREEN *sp = (win == 0) ? CURRENT_SCREEN : _nc_screen_of(win);
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/* Ok, we stay relaxed and don't signal an error if win is NULL */
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T((T_CALLED("meta(%p,%d)"), win, flag));
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/* Ok, we stay relaxed and don't signal an error if win is NULL */
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if (sp != 0) {
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sp->_use_meta = flag;
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#ifdef USE_TERM_DRIVER
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if (IsTermInfo(sp)) {
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if (flag) {
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NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "meta_on", meta_on);
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} else {
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NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "meta_off", meta_off);
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}
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}
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#else
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if (flag) {
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NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "meta_on", meta_on);
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} else {
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NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "meta_off", meta_off);
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}
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#endif
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result = OK;
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}
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returnCode(result);
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}
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/* curs_set() moved here to narrow the kernel interface */
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NCURSES_EXPORT(int)
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NCURSES_SP_NAME(curs_set) (NCURSES_SP_DCLx int vis)
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{
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int code = ERR;
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T((T_CALLED("curs_set(%p,%d)"), SP_PARM, vis));
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if (SP_PARM != 0 && vis >= 0 && vis <= 2) {
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int cursor = SP_PARM->_cursor;
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bool bBuiltIn = !IsTermInfo(SP_PARM);
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if (vis == cursor) {
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code = cursor;
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} else {
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if (!bBuiltIn) {
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switch (vis) {
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case 2:
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code = NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx
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"cursor_visible",
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cursor_visible);
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break;
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case 1:
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code = NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx
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"cursor_normal",
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cursor_normal);
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break;
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case 0:
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code = NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx
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"cursor_invisible",
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cursor_invisible);
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break;
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}
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} else
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code = ERR;
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if (code != ERR)
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code = (cursor == -1 ? 1 : cursor);
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SP_PARM->_cursor = vis;
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}
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}
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returnCode(code);
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}
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#if NCURSES_SP_FUNCS
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NCURSES_EXPORT(int)
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curs_set(int vis)
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{
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return (NCURSES_SP_NAME(curs_set) (CURRENT_SCREEN, vis));
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}
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#endif
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NCURSES_EXPORT(int)
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NCURSES_SP_NAME(typeahead) (NCURSES_SP_DCLx int fd)
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{
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T((T_CALLED("typeahead(%p, %d)"), SP_PARM, fd));
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if (IsValidTIScreen(SP_PARM)) {
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SP_PARM->_checkfd = fd;
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returnCode(OK);
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} else {
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returnCode(ERR);
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}
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}
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#if NCURSES_SP_FUNCS
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NCURSES_EXPORT(int)
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typeahead(int fd)
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{
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return NCURSES_SP_NAME(typeahead) (CURRENT_SCREEN, fd);
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}
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#endif
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/*
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** has_key()
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**
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** Return TRUE if the current terminal has the given key
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**
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*/
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#if NCURSES_EXT_FUNCS
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static int
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has_key_internal(int keycode, TRIES * tp)
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{
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if (tp == 0)
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return (FALSE);
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else if (tp->value == keycode)
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return (TRUE);
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else
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return (has_key_internal(keycode, tp->child)
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|| has_key_internal(keycode, tp->sibling));
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}
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#ifdef USE_TERM_DRIVER
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NCURSES_EXPORT(int)
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_nc_tinfo_has_key(SCREEN *sp, int keycode)
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{
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return IsValidTIScreen(sp) ?
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has_key_internal(keycode, sp->_keytry) : 0;
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}
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#else
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NCURSES_EXPORT(int)
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NCURSES_SP_NAME(has_key) (NCURSES_SP_DCLx int keycode)
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{
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T((T_CALLED("has_key(%p,%d)"), SP_PARM, keycode));
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returnCode(SP != 0 ? has_key_internal(keycode, SP_PARM->_keytry) : FALSE);
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}
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#if NCURSES_SP_FUNCS
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NCURSES_EXPORT(int)
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has_key(int keycode)
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{
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return NCURSES_SP_NAME(has_key) (CURRENT_SCREEN, keycode);
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}
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#endif
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#endif
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#endif /* NCURSES_EXT_FUNCS */
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NCURSES_EXPORT(int)
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NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_DCLx
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const char *name, const char *value)
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{
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int rc = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx name, value);
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if (rc != ERR) {
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_nc_flush();
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}
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return rc;
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}
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#if 0 && NCURSES_SP_FUNCS
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NCURSES_EXPORT(int)
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_nc_putp_flush(const char *name, const char *value)
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{
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return NCURSES_SP_NAME(_nc_putp_flush) (CURRENT_SCREEN, name, value);
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}
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#endif
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/* Turn the keypad on/off
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*
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* Note: we flush the output because changing this mode causes some terminals
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* to emit different escape sequences for cursor and keypad keys. If we don't
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* flush, then the next wgetch may get the escape sequence that corresponds to
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* the terminal state _before_ switching modes.
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*/
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NCURSES_EXPORT(int)
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_nc_keypad(SCREEN *sp, bool flag)
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{
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int rc = ERR;
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if (sp != 0) {
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#ifdef USE_PTHREADS
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/*
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* We might have this situation in a multithreaded application that
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* has wgetch() reading in more than one thread. putp() and below
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* may use SP explicitly.
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*/
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if (_nc_use_pthreads && sp != CURRENT_SCREEN) {
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SCREEN *save_sp;
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/* cannot use use_screen(), since that is not in tinfo library */
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_nc_lock_global(curses);
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save_sp = CURRENT_SCREEN;
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_nc_set_screen(sp);
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rc = _nc_keypad(sp, flag);
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_nc_set_screen(save_sp);
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_nc_unlock_global(curses);
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} else
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#endif
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{
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#ifdef USE_TERM_DRIVER
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rc = CallDriver_1(sp, kpad, flag);
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if (rc == OK)
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sp->_keypad_on = flag;
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#else
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if (flag) {
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(void) NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx
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"keypad_xmit",
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keypad_xmit);
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} else if (!flag && keypad_local) {
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(void) NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx
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"keypad_local",
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keypad_local);
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}
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if (flag && !sp->_tried) {
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_nc_init_keytry(sp);
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sp->_tried = TRUE;
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}
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sp->_keypad_on = flag;
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rc = OK;
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#endif
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}
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}
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return (rc);
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}
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