/* terminal.c -- controlling the terminal with termcap. */
-/* Copyright (C) 1996-2005 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"
#include "rlshell.h"
#include "xmalloc.h"
+#if defined (__MINGW32__)
+# include <windows.h>
+# include <wincon.h>
+
+static void _win_get_screensize PARAMS((int *, int *));
+#endif
+
+#if defined (__EMX__)
+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)
-int rl_prefer_env_winsize;
+/* 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;
/* **************************************************************** */
/* */
/* */
/* **************************************************************** */
+#ifndef __MSDOS__
static char *term_buffer = (char *)NULL;
static char *term_string_buffer = (char *)NULL;
+#endif /* !__MSDOS__ */
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;
char *_rl_term_dc;
char *_rl_term_DC;
-#if defined (HACK_TERMCAP_MOTION)
char *_rl_term_forward_char;
-#endif /* HACK_TERMCAP_MOTION */
/* How to go up a line. */
char *_rl_term_up;
static char *_rl_visible_bell;
/* Non-zero means the terminal can auto-wrap lines. */
-int _rl_term_autowrap;
+int _rl_term_autowrap = -1;
/* Non-zero means that this terminal has a meta key. */
static int term_has_meta;
}
#endif
+#if defined (__MINGW32__)
+static void
+_win_get_screensize (swp, shp)
+ int *swp, *shp;
+{
+ HANDLE hConOut;
+ CONSOLE_SCREEN_BUFFER_INFO scr;
+
+ hConOut = GetStdHandle (STD_OUTPUT_HANDLE);
+ if (hConOut != INVALID_HANDLE_VALUE)
+ {
+ if (GetConsoleScreenBufferInfo (hConOut, &scr))
+ {
+ *swp = scr.dwSize.X;
+ *shp = scr.srWindow.Bottom - scr.srWindow.Top + 1;
+ }
+ }
+}
+#endif
+
/* Get readline's idea of the screen size. TTY is a file descriptor open
to the terminal. If IGNORE_ENV is true, we do not pay attention to the
values of $LINES and $COLUMNS. The tests for TERM_STRING_BUFFER being
#endif /* TIOCGWINSZ */
#if defined (__EMX__)
- _emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
+ _emx_get_screensize (&wc, &wr);
+#elif defined (__MINGW32__)
+ _win_get_screensize (&wc, &wr);
#endif
if (ignore_env || rl_prefer_env_winsize == 0)
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
_rl_set_screen_size (rows, cols)
int rows, cols;
{
+ if (_rl_term_autowrap == -1)
+ _rl_init_terminal_io (rl_terminal_name);
+
if (rows > 0)
_rl_screenheight = rows;
if (cols > 0)
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 },
{ "le", &_rl_term_backspace },
{ "mm", &_rl_term_mm },
{ "mo", &_rl_term_mo },
-#if defined (HACK_TERMCAP_MOTION)
{ "nd", &_rl_term_forward_char },
-#endif
{ "pc", &_rl_term_pc },
{ "up", &_rl_term_up },
{ "vb", &_rl_visible_bell },
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). */
_rl_term_ks = _rl_term_ke = _rl_term_at7 = (char *)NULL;
_rl_term_mm = _rl_term_mo = (char *)NULL;
_rl_term_ve = _rl_term_vs = (char *)NULL;
-#if defined (HACK_TERMCAP_MOTION)
- term_forward_char = (char *)NULL;
-#endif
+ _rl_term_forward_char = (char *)NULL;
_rl_terminal_can_insert = term_has_meta = 0;
/* Reasonable defaults for tgoto(). Readline currently only uses
/* 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)
{
default:
break;
case VISIBLE_BELL:
+#ifdef __MSDOS__
+ ScreenVisualBell ();
+ break;
+#else
if (_rl_visible_bell)
{
tputs (_rl_visible_bell, 1, _rl_output_character_function);
break;
}
/* FALLTHROUGH */
+#endif
case AUDIBLE_BELL:
fprintf (stderr, "\007");
fflush (stderr);
_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 / deliverable / binutils-gdb.git / blobdiff