diff options
Diffstat (limited to 'ncurses-5.9/ncurses/tinfo/lib_options.c')
| -rw-r--r-- | ncurses-5.9/ncurses/tinfo/lib_options.c | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/tinfo/lib_options.c b/ncurses-5.9/ncurses/tinfo/lib_options.c new file mode 100644 index 0000000..52f38a6 --- /dev/null +++ b/ncurses-5.9/ncurses/tinfo/lib_options.c @@ -0,0 +1,376 @@ +/**************************************************************************** + * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + * and: Thomas E. Dickey 1996-on * + * and: Juergen Pfeifer 2009 * + ****************************************************************************/ + +/* +** lib_options.c +** +** The routines to handle option setting. +** +*/ + +#include <curses.priv.h> + +#ifndef CUR +#define CUR SP_TERMTYPE +#endif + +MODULE_ID("$Id$") + +NCURSES_EXPORT(int) +idlok(WINDOW *win, bool flag) +{ + int res = ERR; + T((T_CALLED("idlok(%p,%d)"), (void *) win, flag)); + + if (win) { + SCREEN *sp = _nc_screen_of(win); + if (sp && IsTermInfo(sp)) { + sp->_nc_sp_idlok = + win->_idlok = (flag && (NCURSES_SP_NAME(has_il) (NCURSES_SP_ARG) + || change_scroll_region)); + res = OK; + } + } + returnCode(res); +} + +NCURSES_EXPORT(void) +idcok(WINDOW *win, bool flag) +{ + T((T_CALLED("idcok(%p,%d)"), (void *) win, flag)); + + if (win) { + SCREEN *sp = _nc_screen_of(win); + sp->_nc_sp_idcok = win->_idcok = (flag && NCURSES_SP_NAME(has_ic) (NCURSES_SP_ARG)); + } + returnVoid; +} + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(halfdelay) (NCURSES_SP_DCLx int t) +{ + T((T_CALLED("halfdelay(%p,%d)"), (void *) SP_PARM, t)); + + if (t < 1 || t > 255 || !IsValidTIScreen(SP_PARM)) + returnCode(ERR); + + NCURSES_SP_NAME(cbreak) (NCURSES_SP_ARG); + SP_PARM->_cbreak = t + 1; + returnCode(OK); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +halfdelay(int t) +{ + return NCURSES_SP_NAME(halfdelay) (CURRENT_SCREEN, t); +} +#endif + +NCURSES_EXPORT(int) +nodelay(WINDOW *win, bool flag) +{ + T((T_CALLED("nodelay(%p,%d)"), (void *) win, flag)); + + if (win) { + if (flag == TRUE) + win->_delay = 0; + else + win->_delay = -1; + returnCode(OK); + } else + returnCode(ERR); +} + +NCURSES_EXPORT(int) +notimeout(WINDOW *win, bool f) +{ + T((T_CALLED("notimeout(%p,%d)"), (void *) win, f)); + + if (win) { + win->_notimeout = f; + returnCode(OK); + } else + returnCode(ERR); +} + +NCURSES_EXPORT(void) +wtimeout(WINDOW *win, int delay) +{ + T((T_CALLED("wtimeout(%p,%d)"), (void *) win, delay)); + + if (win) { + win->_delay = delay; + } + returnVoid; +} + +NCURSES_EXPORT(int) +keypad(WINDOW *win, bool flag) +{ + T((T_CALLED("keypad(%p,%d)"), (void *) win, flag)); + + if (win) { + win->_use_keypad = flag; + returnCode(_nc_keypad(_nc_screen_of(win), flag)); + } else + returnCode(ERR); +} + +NCURSES_EXPORT(int) +meta(WINDOW *win GCC_UNUSED, bool flag) +{ + int result = ERR; + SCREEN *sp = (win == 0) ? CURRENT_SCREEN : _nc_screen_of(win); + + /* Ok, we stay relaxed and don't signal an error if win is NULL */ + T((T_CALLED("meta(%p,%d)"), (void *) win, flag)); + + /* Ok, we stay relaxed and don't signal an error if win is NULL */ + + if (sp != 0) { + sp->_use_meta = flag; +#ifdef USE_TERM_DRIVER + if (IsTermInfo(sp)) { + if (flag) { + NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "meta_on", meta_on); + } else { + NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "meta_off", meta_off); + } + } +#else + if (flag) { + NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "meta_on", meta_on); + } else { + NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "meta_off", meta_off); + } +#endif + result = OK; + } + returnCode(result); +} + +/* curs_set() moved here to narrow the kernel interface */ + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(curs_set) (NCURSES_SP_DCLx int vis) +{ + int code = ERR; + T((T_CALLED("curs_set(%p,%d)"), (void *) SP_PARM, vis)); + + if (SP_PARM != 0 && vis >= 0 && vis <= 2) { + int cursor = SP_PARM->_cursor; + bool bBuiltIn = !IsTermInfo(SP_PARM); + if (vis == cursor) { + code = cursor; + } else { + if (!bBuiltIn) { + switch (vis) { + case 2: + code = NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx + "cursor_visible", + cursor_visible); + break; + case 1: + code = NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx + "cursor_normal", + cursor_normal); + break; + case 0: + code = NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx + "cursor_invisible", + cursor_invisible); + break; + } + } else + code = ERR; + if (code != ERR) + code = (cursor == -1 ? 1 : cursor); + SP_PARM->_cursor = vis; + } + } + returnCode(code); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +curs_set(int vis) +{ + return (NCURSES_SP_NAME(curs_set) (CURRENT_SCREEN, vis)); +} +#endif + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(typeahead) (NCURSES_SP_DCLx int fd) +{ + T((T_CALLED("typeahead(%p, %d)"), (void *) SP_PARM, fd)); + if (IsValidTIScreen(SP_PARM)) { + SP_PARM->_checkfd = fd; + returnCode(OK); + } else { + returnCode(ERR); + } +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +typeahead(int fd) +{ + return NCURSES_SP_NAME(typeahead) (CURRENT_SCREEN, fd); +} +#endif + +/* +** has_key() +** +** Return TRUE if the current terminal has the given key +** +*/ + +#if NCURSES_EXT_FUNCS +static int +has_key_internal(int keycode, TRIES * tp) +{ + if (tp == 0) + return (FALSE); + else if (tp->value == keycode) + return (TRUE); + else + return (has_key_internal(keycode, tp->child) + || has_key_internal(keycode, tp->sibling)); +} + +#ifdef USE_TERM_DRIVER +NCURSES_EXPORT(int) +TINFO_HAS_KEY(SCREEN *sp, int keycode) +{ + return IsValidTIScreen(sp) ? + has_key_internal(keycode, sp->_keytry) : 0; +} +#else +NCURSES_EXPORT(int) +NCURSES_SP_NAME(has_key) (NCURSES_SP_DCLx int keycode) +{ + T((T_CALLED("has_key(%p,%d)"), (void *) SP_PARM, keycode)); + returnCode(SP != 0 ? has_key_internal(keycode, SP_PARM->_keytry) : FALSE); +} + +#if NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +has_key(int keycode) +{ + return NCURSES_SP_NAME(has_key) (CURRENT_SCREEN, keycode); +} +#endif +#endif +#endif /* NCURSES_EXT_FUNCS */ + +NCURSES_EXPORT(int) +NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_DCLx + const char *name, const char *value) +{ + int rc = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx name, value); + if (rc != ERR) { + _nc_flush(); + } + return rc; +} + +#if 0 && NCURSES_SP_FUNCS +NCURSES_EXPORT(int) +_nc_putp_flush(const char *name, const char *value) +{ + return NCURSES_SP_NAME(_nc_putp_flush) (CURRENT_SCREEN, name, value); +} +#endif + +/* Turn the keypad on/off + * + * Note: we flush the output because changing this mode causes some terminals + * to emit different escape sequences for cursor and keypad keys. If we don't + * flush, then the next wgetch may get the escape sequence that corresponds to + * the terminal state _before_ switching modes. + */ +NCURSES_EXPORT(int) +_nc_keypad(SCREEN *sp, bool flag) +{ + int rc = ERR; + + if (sp != 0) { +#ifdef USE_PTHREADS + /* + * We might have this situation in a multithreaded application that + * has wgetch() reading in more than one thread. putp() and below + * may use SP explicitly. + */ + if (_nc_use_pthreads && sp != CURRENT_SCREEN) { + SCREEN *save_sp; + + /* cannot use use_screen(), since that is not in tinfo library */ + _nc_lock_global(curses); + save_sp = CURRENT_SCREEN; + _nc_set_screen(sp); + rc = _nc_keypad(sp, flag); + _nc_set_screen(save_sp); + _nc_unlock_global(curses); + } else +#endif + { +#ifdef USE_TERM_DRIVER + rc = CallDriver_1(sp, kpad, flag); + if (rc == OK) + sp->_keypad_on = flag; +#else + if (flag) { + (void) NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx + "keypad_xmit", + keypad_xmit); + } else if (!flag && keypad_local) { + (void) NCURSES_SP_NAME(_nc_putp_flush) (NCURSES_SP_ARGx + "keypad_local", + keypad_local); + } + + if (flag && !sp->_tried) { + _nc_init_keytry(sp); + sp->_tried = TRUE; + } + sp->_keypad_on = flag; + rc = OK; +#endif + } + } + return (rc); +} |