blob: 9941d1390629fe16dd067c21a663acd39359992b [file] [log] [blame]
/****************************************************************************
* Copyright (c) 1998-2013,2014 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. *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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****************************************************************************/
/****************************************************************************
* Author: Thomas E. Dickey <dickey@clark.net> 1997 *
****************************************************************************/
/*
* Module that "owns" the 'cur_term' variable:
*
* TERMINAL *set_curterm(TERMINAL *)
* int del_curterm(TERMINAL *)
*/
#include <curses.priv.h>
#include <termcap.h> /* ospeed */
MODULE_ID("$Id: lib_cur_term.c,v 1.33 2014/03/08 20:32:59 tom Exp $")
#undef CUR
#define CUR termp->type.
#if USE_REENTRANT
NCURSES_EXPORT(TERMINAL *)
NCURSES_SP_NAME(_nc_get_cur_term) (NCURSES_SP_DCL0)
{
return ((0 != TerminalOf(SP_PARM)) ? TerminalOf(SP_PARM) : CurTerm);
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(TERMINAL *)
_nc_get_cur_term(void)
{
return NCURSES_SP_NAME(_nc_get_cur_term) (CURRENT_SCREEN);
}
#endif
NCURSES_EXPORT(TERMINAL *)
NCURSES_PUBLIC_VAR(cur_term) (void)
{
#if NCURSES_SP_FUNCS
return NCURSES_SP_NAME(_nc_get_cur_term) (CURRENT_SCREEN);
#else
return NCURSES_SP_NAME(_nc_get_cur_term) (NCURSES_SP_ARG);
#endif
}
#else
NCURSES_EXPORT_VAR(TERMINAL *) cur_term = 0;
#endif
NCURSES_EXPORT(TERMINAL *)
NCURSES_SP_NAME(set_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
{
TERMINAL *oldterm;
T((T_CALLED("set_curterm(%p)"), (void *) termp));
_nc_lock_global(curses);
oldterm = cur_term;
if (SP_PARM)
SP_PARM->_term = termp;
#if USE_REENTRANT
CurTerm = termp;
#else
cur_term = termp;
#endif
if (termp != 0) {
#ifdef USE_TERM_DRIVER
TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) termp;
ospeed = (NCURSES_OSPEED) _nc_ospeed(termp->_baudrate);
if (TCB->drv->isTerminfo && termp->type.Strings) {
PC = (char) ((pad_char != NULL) ? pad_char[0] : 0);
}
TCB->csp = SP_PARM;
#else
ospeed = (NCURSES_OSPEED) _nc_ospeed(termp->_baudrate);
if (termp->type.Strings) {
PC = (char) ((pad_char != NULL) ? pad_char[0] : 0);
}
#endif
}
_nc_unlock_global(curses);
T((T_RETURN("%p"), (void *) oldterm));
return (oldterm);
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(TERMINAL *)
set_curterm(TERMINAL * termp)
{
return NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN, termp);
}
#endif
NCURSES_EXPORT(int)
NCURSES_SP_NAME(del_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
{
int rc = ERR;
T((T_CALLED("del_curterm(%p, %p)"), (void *) SP_PARM, (void *) termp));
if (termp != 0) {
#ifdef USE_TERM_DRIVER
TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) termp;
#endif
TERMINAL *cur = (
#if USE_REENTRANT
NCURSES_SP_NAME(_nc_get_cur_term) (NCURSES_SP_ARG)
#else
cur_term
#endif
);
_nc_free_termtype(&(termp->type));
if (termp == cur)
NCURSES_SP_NAME(set_curterm) (NCURSES_SP_ARGx 0);
FreeIfNeeded(termp->_termname);
#if USE_HOME_TERMINFO
if (_nc_globals.home_terminfo != 0) {
FreeAndNull(_nc_globals.home_terminfo);
}
#endif
#ifdef USE_TERM_DRIVER
if (TCB->drv)
TCB->drv->td_release(TCB);
#endif
free(termp);
rc = OK;
}
returnCode(rc);
}
#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
del_curterm(TERMINAL * termp)
{
int rc = ERR;
_nc_lock_global(curses);
rc = NCURSES_SP_NAME(del_curterm) (CURRENT_SCREEN, termp);
_nc_unlock_global(curses);
return (rc);
}
#endif