/* terminal.c -- controlling the terminal with termcap. */
-/* Copyright (C) 1996-2006 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2009 Free Software Foundation, Inc.
- This file is part of the GNU Readline Library, a library for
- reading lines of text with interactive input and history editing.
+ This file is part of the GNU Readline Library (Readline), a library
+ for reading lines of text with interactive input and history editing.
- The GNU Readline Library is free software; you can redistribute it
- and/or modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2, or
+ Readline is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
- The GNU Readline Library is distributed in the hope that it will be
- useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ Readline is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
- The GNU General Public License is often shipped with GNU software, and
- is generally kept in a file called COPYING or LICENSE. If you do not
- have a copy of the license, write to the Free Software Foundation,
- 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see <http://www.gnu.org/licenses/>.
+*/
+
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
# include <sys/ioctl.h>
#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
+#ifdef __MSDOS__
+# include <pc.h>
+#endif
+
#include "rltty.h"
#include "tcap.h"
static void _emx_get_screensize PARAMS((int *, int *));
#endif
-#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
-#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
-
-/* If the calling application sets this to a non-zero value, readline will
- use the $LINES and $COLUMNS environment variables to set its idea of the
- window size before interrogating the kernel. */
+/* If the calling application sets this to a non-zero value, readline will
+ use the $LINES and $COLUMNS environment variables to set its idea of the
+ window size before interrogating the kernel. */
int rl_prefer_env_winsize = 0;
+/* If this is non-zero, readline will set LINES and COLUMNS in the
+ environment when it handles SIGWINCH. */
+int rl_change_environment = 1;
+
/* **************************************************************** */
/* */
/* Terminal and Termcap */
/* */
/* **************************************************************** */
+#ifndef __MSDOS__
static char *term_buffer = (char *)NULL;
static char *term_string_buffer = (char *)NULL;
+#endif
static int tcap_initialized;
-#if !defined (__linux__)
+#if !defined (__linux__) && !defined (NCURSES_VERSION)
# if defined (__EMX__) || defined (NEED_EXTERN_PC)
extern
# endif /* __EMX__ || NEED_EXTERN_PC */
char PC, *BC, *UP;
-#endif /* __linux__ */
+#endif /* !__linux__ && !NCURSES_VERSION */
/* Some strings to control terminal actions. These are output by tputs (). */
char *_rl_term_clreol;
if (_rl_screenwidth <= 0)
_rl_screenwidth = wc;
-#if !defined (__DJGPP__)
+#if defined (__DJGPP__)
+ if (_rl_screenwidth <= 0)
+ _rl_screenwidth = ScreenCols ();
+#else
if (_rl_screenwidth <= 0 && term_string_buffer)
_rl_screenwidth = tgetnum ("co");
#endif
if (_rl_screenheight <= 0)
_rl_screenheight = wr;
-#if !defined (__DJGPP__)
+#if defined (__DJGPP__)
+ if (_rl_screenheight <= 0)
+ _rl_screenheight = ScreenRows ();
+#else
if (_rl_screenheight <= 0 && term_string_buffer)
_rl_screenheight = tgetnum ("li");
#endif
/* If we're being compiled as part of bash, set the environment
variables $LINES and $COLUMNS to new values. Otherwise, just
do a pair of putenv () or setenv () calls. */
- sh_set_lines_and_columns (_rl_screenheight, _rl_screenwidth);
+ if (rl_change_environment)
+ sh_set_lines_and_columns (_rl_screenheight, _rl_screenwidth);
if (_rl_term_autowrap == 0)
_rl_screenwidth--;
{
_rl_get_screen_size (fileno (rl_instream), 0);
}
-
+
+void
+_rl_sigwinch_resize_terminal ()
+{
+ _rl_get_screen_size (fileno (rl_instream), 1);
+}
+
void
rl_resize_terminal ()
{
- if (readline_echoing_p)
+ _rl_get_screen_size (fileno (rl_instream), 1);
+ if (_rl_echoing_p)
{
- _rl_get_screen_size (fileno (rl_instream), 1);
if (CUSTOM_REDISPLAY_FUNC ())
rl_forced_update_display ();
- else
+ else if (RL_ISSTATE(RL_STATE_REDISPLAYING) == 0)
_rl_redisplay_after_sigwinch ();
}
}
struct _tc_string {
- const char *tc_var;
+ const char * const tc_var;
char **tc_value;
};
/* This should be kept sorted, just in case we decide to change the
search algorithm to something smarter. */
-static struct _tc_string tc_strings[] =
+static const struct _tc_string tc_strings[] =
{
{ "@7", &_rl_term_at7 },
{ "DC", &_rl_term_DC },
if (term == 0)
term = "dumb";
+#ifdef __MSDOS__
+ _rl_term_im = _rl_term_ei = _rl_term_ic = _rl_term_IC = (char *)NULL;
+ _rl_term_up = _rl_term_dc = _rl_term_DC = _rl_visible_bell = (char *)NULL;
+ _rl_term_ku = _rl_term_kd = _rl_term_kl = _rl_term_kr = (char *)NULL;
+ _rl_term_mm = _rl_term_mo = (char *)NULL;
+ _rl_terminal_can_insert = term_has_meta = _rl_term_autowrap = 0;
+ _rl_term_cr = "\r";
+ _rl_term_clreol = _rl_term_clrpag = _rl_term_backspace = (char *)NULL;
+ _rl_term_goto = _rl_term_pc = _rl_term_ip = (char *)NULL;
+ _rl_term_ks = _rl_term_ke =_rl_term_vs = _rl_term_ve = (char *)NULL;
+ _rl_term_kh = _rl_term_kH = _rl_term_at7 = _rl_term_kI = (char *)NULL;
+#if defined(HACK_TERMCAP_MOTION)
+ _rl_term_forward_char = (char *)NULL;
+#endif
+
+ _rl_get_screen_size (tty, 0);
+#else /* !__MSDOS__ */
/* I've separated this out for later work on not calling tgetent at all
if the calling application has supplied a custom redisplay function,
(and possibly if the application has supplied a custom input function). */
/* Check to see if this terminal has a meta key and clear the capability
variables if there is none. */
- term_has_meta = (tgetflag ("km") || tgetflag ("MT"));
- if (!term_has_meta)
+ term_has_meta = tgetflag ("km") != 0;
+ if (term_has_meta == 0)
_rl_term_mm = _rl_term_mo = (char *)NULL;
+#endif /* !__MSDOS__ */
/* Attempt to find and bind the arrow keys. Do not override already
bound keys in an overzealous attempt, however. */
{
register int i;
+#ifndef __MSDOS__
if (_rl_term_backspace)
for (i = 0; i < count; i++)
tputs (_rl_term_backspace, 1, _rl_output_character_function);
else
+#endif
for (i = 0; i < count; i++)
putc ('\b', _rl_out_stream);
return 0;
int
rl_crlf ()
{
-#if defined (NEW_TTY_DRIVER)
+#if defined (NEW_TTY_DRIVER) || defined (__MINT__)
if (_rl_term_cr)
tputs (_rl_term_cr, 1, _rl_output_character_function);
-#endif /* NEW_TTY_DRIVER */
+#endif /* NEW_TTY_DRIVER || __MINT__ */
putc ('\n', _rl_out_stream);
return 0;
}
int
rl_ding ()
{
- if (readline_echoing_p)
+ if (_rl_echoing_p)
{
switch (_rl_bell_preference)
{
case VISIBLE_BELL:
if (_rl_visible_bell)
{
+#ifdef __DJGPP__
+ ScreenVisualBell ();
+#else
tputs (_rl_visible_bell, 1, _rl_output_character_function);
+#endif
break;
}
/* FALLTHROUGH */
/* */
/* **************************************************************** */
+static int enabled_meta = 0; /* flag indicating we enabled meta mode */
+
void
_rl_enable_meta_key ()
{
#if !defined (__DJGPP__)
if (term_has_meta && _rl_term_mm)
- tputs (_rl_term_mm, 1, _rl_output_character_function);
+ {
+ tputs (_rl_term_mm, 1, _rl_output_character_function);
+ enabled_meta = 1;
+ }
+#endif
+}
+
+void
+_rl_disable_meta_key ()
+{
+#if !defined (__DJGPP__)
+ if (term_has_meta && _rl_term_mo && enabled_meta)
+ {
+ tputs (_rl_term_mo, 1, _rl_output_character_function);
+ enabled_meta = 0;
+ }
#endif
}
_rl_set_cursor (im, force)
int im, force;
{
+#ifndef __MSDOS__
if (_rl_term_ve && _rl_term_vs)
{
if (force || im != rl_insert_mode)
tputs (_rl_term_ve, 1, _rl_output_character_function);
}
}
+#endif
}
projects / platform / upstream / bash.git / blobdiff