X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=readline%2Fterminal.c;h=8094186bba21a91ed02b962988b90769cb323312;hb=55c10aca2e93cc7a4301aa1635ef9d6d73a804b1;hp=627a3854392b9898d1f6949ca99ac8c68a335c54;hpb=8f2eba6efa236376dc3e15723714d39999652408;p=deliverable%2Fbinutils-gdb.git
diff --git a/readline/terminal.c b/readline/terminal.c
index 627a385439..8094186bba 100644
--- a/readline/terminal.c
+++ b/readline/terminal.c
@@ -1,24 +1,24 @@
/* terminal.c -- controlling the terminal with termcap. */
-/* Copyright (C) 1996 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 1, 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,
- 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with Readline. If not, see .
+*/
+
#define READLINE_LIBRARY
#if defined (HAVE_CONFIG_H)
@@ -46,9 +46,7 @@
# include
#endif
-#include
#include
-#include
/* System-specific feature definitions and include files. */
#include "rldefs.h"
@@ -57,8 +55,8 @@
# include
#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
-#if defined (__GO32__)
-# include
+#ifdef __MSDOS__
+# include
#endif
#include "rltty.h"
@@ -68,21 +66,28 @@
#include "readline.h"
#include "history.h"
-/* Variables and functions imported from readline.c */
-extern FILE *_rl_in_stream, *_rl_out_stream;
-extern int readline_echoing_p;
-extern int _rl_bell_preference;
-extern Keymap _rl_keymap;
+#include "rlprivate.h"
+#include "rlshell.h"
+#include "xmalloc.h"
+
+#if defined (__MINGW32__)
+# include
+# include
+
+static void _win_get_screensize PARAMS((int *, int *));
+#endif
-/* Functions imported from bind.c */
-extern void _rl_bind_if_unbound ();
+#if defined (__EMX__)
+static void _emx_get_screensize PARAMS((int *, int *));
+#endif
-/* Functions imported from shell.c */
-extern void set_lines_and_columns ();
-extern char *get_env_value ();
+#define CUSTOM_REDISPLAY_FUNC() (rl_redisplay_function != rl_redisplay)
+#define CUSTOM_INPUT_FUNC() (rl_getc_function != rl_getc)
-/* Functions imported from display.c */
-extern void _rl_redisplay_after_sigwinch ();
+/* 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;
/* **************************************************************** */
/* */
@@ -90,67 +95,90 @@ extern void _rl_redisplay_after_sigwinch ();
/* */
/* **************************************************************** */
-#ifndef __DJGPP__
+#ifndef __MSDOS__
static char *term_buffer = (char *)NULL;
static char *term_string_buffer = (char *)NULL;
-
-/* Non-zero means this terminal can't really do anything. */
-static int dumb_term;
-#endif
+#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 *term_goto, *term_clreol, *term_cr, *term_clrpag, *term_backspace;
-char *term_pc;
+char *_rl_term_clreol;
+char *_rl_term_clrpag;
+char *_rl_term_cr;
+char *_rl_term_backspace;
+char *_rl_term_goto;
+char *_rl_term_pc;
/* Non-zero if we determine that the terminal can do character insertion. */
-int terminal_can_insert = 0;
+int _rl_terminal_can_insert = 0;
/* How to insert characters. */
-char *term_im, *term_ei, *term_ic, *term_ip, *term_IC;
+char *_rl_term_im;
+char *_rl_term_ei;
+char *_rl_term_ic;
+char *_rl_term_ip;
+char *_rl_term_IC;
/* How to delete characters. */
-char *term_dc, *term_DC;
+char *_rl_term_dc;
+char *_rl_term_DC;
-#if defined (HACK_TERMCAP_MOTION)
-char *term_forward_char;
-#endif /* HACK_TERMCAP_MOTION */
+char *_rl_term_forward_char;
/* How to go up a line. */
-char *term_up;
+char *_rl_term_up;
-/* A visible bell, if the terminal can be made to flash the screen. */
-static char *visible_bell;
+/* A visible bell; char if the terminal can be made to flash the screen. */
+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;
/* The sequences to write to turn on and off the meta key, if this
- terminal has one. */
-static char *term_mm, *term_mo;
+ terminal has one. */
+static char *_rl_term_mm;
+static char *_rl_term_mo;
/* The key sequences output by the arrow keys, if this terminal has any. */
-static char *term_ku, *term_kd, *term_kr, *term_kl;
+static char *_rl_term_ku;
+static char *_rl_term_kd;
+static char *_rl_term_kr;
+static char *_rl_term_kl;
/* How to initialize and reset the arrow keys, if this terminal has any. */
-static char *term_ks, *term_ke;
+static char *_rl_term_ks;
+static char *_rl_term_ke;
/* The key sequences sent by the Home and End keys, if any. */
-static char *term_kh, *term_kH;
+static char *_rl_term_kh;
+static char *_rl_term_kH;
+static char *_rl_term_at7; /* @7 */
+
+/* Delete key */
+static char *_rl_term_kD;
+
+/* Insert key */
+static char *_rl_term_kI;
+
+/* Cursor control */
+static char *_rl_term_vs; /* very visible */
+static char *_rl_term_ve; /* normal */
+
+static void bind_termcap_arrow_keys PARAMS((Keymap));
/* Variables that hold the screen dimensions, used by the display code. */
-int screenwidth, screenheight, screenchars;
+int _rl_screenwidth, _rl_screenheight, _rl_screenchars;
/* Non-zero means the user wants to enable the keypad. */
int _rl_enable_keypad;
@@ -158,6 +186,42 @@ int _rl_enable_keypad;
/* Non-zero means the user wants to enable a meta key. */
int _rl_enable_meta = 1;
+#if defined (__EMX__)
+static void
+_emx_get_screensize (swp, shp)
+ int *swp, *shp;
+{
+ int sz[2];
+
+ _scrsize (sz);
+
+ if (swp)
+ *swp = sz[0];
+ if (shp)
+ *shp = sz[1];
+}
+#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
@@ -170,133 +234,182 @@ _rl_get_screen_size (tty, ignore_env)
#if defined (TIOCGWINSZ)
struct winsize window_size;
#endif /* TIOCGWINSZ */
-#if defined (__EMX__)
- int sz[2];
-#endif
+ int wr, wc;
+ wr = wc = -1;
#if defined (TIOCGWINSZ)
if (ioctl (tty, TIOCGWINSZ, &window_size) == 0)
{
- screenwidth = (int) window_size.ws_col;
- screenheight = (int) window_size.ws_row;
+ wc = (int) window_size.ws_col;
+ wr = (int) window_size.ws_row;
}
#endif /* TIOCGWINSZ */
#if defined (__EMX__)
- _scrsize (sz);
- screenwidth = sz[0];
- screenheight = sz[1];
+ _emx_get_screensize (&wc, &wr);
+#elif defined (__MINGW32__)
+ _win_get_screensize (&wc, &wr);
#endif
+ if (ignore_env || rl_prefer_env_winsize == 0)
+ {
+ _rl_screenwidth = wc;
+ _rl_screenheight = wr;
+ }
+ else
+ _rl_screenwidth = _rl_screenheight = -1;
+
/* Environment variable COLUMNS overrides setting of "co" if IGNORE_ENV
- is unset. */
- if (screenwidth <= 0)
+ is unset. If we prefer the environment, check it first before
+ assigning the value returned by the kernel. */
+ if (_rl_screenwidth <= 0)
{
- if (ignore_env == 0 && (ss = get_env_value ("COLUMNS")))
- screenwidth = atoi (ss);
+ if (ignore_env == 0 && (ss = sh_get_env_value ("COLUMNS")))
+ _rl_screenwidth = atoi (ss);
+
+ if (_rl_screenwidth <= 0)
+ _rl_screenwidth = wc;
-#if defined(__DJGPP__)
- tty = tty;
- if (screenwidth <= 0)
- screenwidth = ScreenCols ();
+#if defined (__DJGPP__)
+ if (_rl_screenwidth <= 0)
+ _rl_screenwidth = ScreenCols ();
#else
- if (screenwidth <= 0 && term_string_buffer)
- screenwidth = tgetnum ("co");
+ if (_rl_screenwidth <= 0 && term_string_buffer)
+ _rl_screenwidth = tgetnum ("co");
#endif
}
/* Environment variable LINES overrides setting of "li" if IGNORE_ENV
is unset. */
- if (screenheight <= 0)
+ if (_rl_screenheight <= 0)
{
- if (ignore_env == 0 && (ss = get_env_value ("LINES")))
- screenheight = atoi (ss);
+ if (ignore_env == 0 && (ss = sh_get_env_value ("LINES")))
+ _rl_screenheight = atoi (ss);
-#if defined(__DJGPP__)
- if (screenheight <= 0)
- screenheight = ScreenRows ();
+ if (_rl_screenheight <= 0)
+ _rl_screenheight = wr;
+
+#if defined (__DJGPP__)
+ if (_rl_screenheight <= 0)
+ _rl_screenheight = ScreenRows ();
#else
- if (screenheight <= 0 && term_string_buffer)
- screenheight = tgetnum ("li");
+ if (_rl_screenheight <= 0 && term_string_buffer)
+ _rl_screenheight = tgetnum ("li");
#endif
}
/* If all else fails, default to 80x24 terminal. */
- if (screenwidth <= 1)
- screenwidth = 80;
+ if (_rl_screenwidth <= 1)
+ _rl_screenwidth = 80;
- if (screenheight <= 0)
- screenheight = 24;
+ if (_rl_screenheight <= 0)
+ _rl_screenheight = 24;
/* 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. */
- set_lines_and_columns (screenheight, screenwidth);
+ sh_set_lines_and_columns (_rl_screenheight, _rl_screenwidth);
- if (!_rl_term_autowrap)
- screenwidth--;
+ if (_rl_term_autowrap == 0)
+ _rl_screenwidth--;
- screenchars = screenwidth * screenheight;
+ _rl_screenchars = _rl_screenwidth * _rl_screenheight;
}
void
_rl_set_screen_size (rows, cols)
int rows, cols;
{
- screenheight = rows;
- screenwidth = cols;
+ if (_rl_term_autowrap == -1)
+ _rl_init_terminal_io (rl_terminal_name);
- if (_rl_term_autowrap == 0)
- screenwidth--;
+ if (rows > 0)
+ _rl_screenheight = rows;
+ if (cols > 0)
+ {
+ _rl_screenwidth = cols;
+ if (_rl_term_autowrap == 0)
+ _rl_screenwidth--;
+ }
- screenchars = screenwidth * screenheight;
+ if (rows > 0 || cols > 0)
+ _rl_screenchars = _rl_screenwidth * _rl_screenheight;
}
+void
+rl_set_screen_size (rows, cols)
+ int rows, cols;
+{
+ _rl_set_screen_size (rows, cols);
+}
+
+void
+rl_get_screen_size (rows, cols)
+ int *rows, *cols;
+{
+ if (rows)
+ *rows = _rl_screenheight;
+ if (cols)
+ *cols = _rl_screenwidth;
+}
+
+void
+rl_reset_screen_size ()
+{
+ _rl_get_screen_size (fileno (rl_instream), 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);
- _rl_redisplay_after_sigwinch ();
+ if (CUSTOM_REDISPLAY_FUNC ())
+ rl_forced_update_display ();
+ else if (RL_ISSTATE(RL_STATE_REDISPLAYING) == 0)
+ _rl_redisplay_after_sigwinch ();
}
}
struct _tc_string {
- 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[] =
{
- "DC", &term_DC,
- "IC", &term_IC,
- "ce", &term_clreol,
- "cl", &term_clrpag,
- "cr", &term_cr,
- "dc", &term_dc,
- "ei", &term_ei,
- "ic", &term_ic,
- "im", &term_im,
- "kd", &term_kd,
- "kh", &term_kh, /* home */
- "kH", &term_kH, /* end */
- "kl", &term_kl,
- "kr", &term_kr,
- "ku", &term_ku,
- "ks", &term_ks,
- "ke", &term_ke,
- "le", &term_backspace,
- "mm", &term_mm,
- "mo", &term_mo,
-#if defined (HACK_TERMCAP_MOTION)
- "nd", &term_forward_char,
-#endif
- "pc", &term_pc,
- "up", &term_up,
- "vb", &visible_bell,
+ { "@7", &_rl_term_at7 },
+ { "DC", &_rl_term_DC },
+ { "IC", &_rl_term_IC },
+ { "ce", &_rl_term_clreol },
+ { "cl", &_rl_term_clrpag },
+ { "cr", &_rl_term_cr },
+ { "dc", &_rl_term_dc },
+ { "ei", &_rl_term_ei },
+ { "ic", &_rl_term_ic },
+ { "im", &_rl_term_im },
+ { "kD", &_rl_term_kD }, /* delete */
+ { "kH", &_rl_term_kH }, /* home down ?? */
+ { "kI", &_rl_term_kI }, /* insert */
+ { "kd", &_rl_term_kd },
+ { "ke", &_rl_term_ke }, /* end keypad mode */
+ { "kh", &_rl_term_kh }, /* home */
+ { "kl", &_rl_term_kl },
+ { "kr", &_rl_term_kr },
+ { "ks", &_rl_term_ks }, /* start keypad mode */
+ { "ku", &_rl_term_ku },
+ { "le", &_rl_term_backspace },
+ { "mm", &_rl_term_mm },
+ { "mo", &_rl_term_mo },
+ { "nd", &_rl_term_forward_char },
+ { "pc", &_rl_term_pc },
+ { "up", &_rl_term_up },
+ { "vb", &_rl_visible_bell },
+ { "vs", &_rl_term_vs },
+ { "ve", &_rl_term_ve },
};
#define NUM_TC_STRINGS (sizeof (tc_strings) / sizeof (struct _tc_string))
@@ -307,77 +420,114 @@ static void
get_term_capabilities (bp)
char **bp;
{
-#if defined(__DJGPP__)
- bp = bp;
-#else
+#if !defined (__DJGPP__) /* XXX - doesn't DJGPP have a termcap library? */
register int i;
for (i = 0; i < NUM_TC_STRINGS; i++)
- *(tc_strings[i].tc_value) = tgetstr (tc_strings[i].tc_var, bp);
+ *(tc_strings[i].tc_value) = tgetstr ((char *)tc_strings[i].tc_var, bp);
#endif
tcap_initialized = 1;
}
int
_rl_init_terminal_io (terminal_name)
- char *terminal_name;
+ const char *terminal_name;
{
-#if defined (__GO32__)
- terminal_name = terminal_name;
- screenwidth = screenheight = 0;
- _rl_get_screen_size (rl_instream ? fileno (rl_instream) : 0, 0);
-
- term_cr = "\r";
- term_im = term_ei = term_ic = term_IC = (char *)NULL;
- term_up = term_dc = term_DC = visible_bell = (char *)NULL;
-
- /* Does the __GO32__ have a meta key? I don't know. */
- term_has_meta = 0;
- term_mm = term_mo = (char *)NULL;
-
- /* It probably has arrow keys, but I don't know what they are. */
- term_ku = term_kd = term_kr = term_kl = (char *)NULL;
-
-#if defined (HACK_TERMCAP_MOTION)
- term_forward_char = (char *)NULL;
-#endif /* HACK_TERMCAP_MOTION */
- terminal_can_insert = _rl_term_autowrap = 0;
- return 0;
-#else /* !__GO32__ */
+ const char *term;
+ char *buffer;
+ int tty, tgetent_ret;
- char *term, *buffer;
- int tty;
- Keymap xkeymap;
+ term = terminal_name ? terminal_name : sh_get_env_value ("TERM");
+ _rl_term_clrpag = _rl_term_cr = _rl_term_clreol = (char *)NULL;
+ tty = rl_instream ? fileno (rl_instream) : 0;
- term = terminal_name ? terminal_name : get_env_value ("TERM");
+ if (term == 0)
+ term = "dumb";
- if (term_string_buffer == 0)
- term_string_buffer = xmalloc (2032);
+#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
- if (term_buffer == 0)
- term_buffer = xmalloc (4080);
+ _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). */
+ if (CUSTOM_REDISPLAY_FUNC())
+ {
+ tgetent_ret = -1;
+ }
+ else
+ {
+ if (term_string_buffer == 0)
+ term_string_buffer = (char *)xmalloc(2032);
- buffer = term_string_buffer;
+ if (term_buffer == 0)
+ term_buffer = (char *)xmalloc(4080);
- term_clrpag = term_cr = term_clreol = (char *)NULL;
+ buffer = term_string_buffer;
- if (term == 0)
- term = "dumb";
+ tgetent_ret = tgetent (term_buffer, term);
+ }
- if (tgetent (term_buffer, term) <= 0)
+ if (tgetent_ret <= 0)
{
- dumb_term = 1;
- screenwidth = 79;
- screenheight = 24;
- screenchars = 79 * 24;
- term_cr = "\r";
- term_im = term_ei = term_ic = term_IC = (char *)NULL;
- term_up = term_dc = term_DC = visible_bell = (char *)NULL;
- term_ku = term_kd = term_kl = term_kr = (char *)NULL;
-#if defined (HACK_TERMCAP_MOTION)
- term_forward_char = (char *)NULL;
-#endif
- terminal_can_insert = 0;
+ FREE (term_string_buffer);
+ FREE (term_buffer);
+ buffer = term_buffer = term_string_buffer = (char *)NULL;
+
+ _rl_term_autowrap = 0; /* used by _rl_get_screen_size */
+
+ /* Allow calling application to set default height and width, using
+ rl_set_screen_size */
+ if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
+ {
+#if defined (__EMX__)
+ _emx_get_screensize (&_rl_screenwidth, &_rl_screenheight);
+ _rl_screenwidth--;
+#else /* !__EMX__ */
+ _rl_get_screen_size (tty, 0);
+#endif /* !__EMX__ */
+ }
+
+ /* Defaults. */
+ if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
+ {
+ _rl_screenwidth = 79;
+ _rl_screenheight = 24;
+ }
+
+ /* Everything below here is used by the redisplay code (tputs). */
+ _rl_screenchars = _rl_screenwidth * _rl_screenheight;
+ _rl_term_cr = "\r";
+ _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_kh = _rl_term_kH = _rl_term_kI = _rl_term_kD = (char *)NULL;
+ _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;
+ _rl_term_forward_char = (char *)NULL;
+ _rl_terminal_can_insert = term_has_meta = 0;
+
+ /* Reasonable defaults for tgoto(). Readline currently only uses
+ tgoto if _rl_term_IC or _rl_term_DC is defined, but just in case we
+ change that later... */
+ PC = '\0';
+ BC = _rl_term_backspace = "\b";
+ UP = _rl_term_up;
+
return 0;
}
@@ -385,66 +535,73 @@ _rl_init_terminal_io (terminal_name)
/* Set up the variables that the termcap library expects the application
to provide. */
- PC = term_pc ? *term_pc : 0;
- BC = term_backspace;
- UP = term_up;
+ PC = _rl_term_pc ? *_rl_term_pc : 0;
+ BC = _rl_term_backspace;
+ UP = _rl_term_up;
- if (!term_cr)
- term_cr = "\r";
-
- tty = rl_instream ? fileno (rl_instream) : 0;
-
- screenwidth = screenheight = 0;
+ if (!_rl_term_cr)
+ _rl_term_cr = "\r";
_rl_term_autowrap = tgetflag ("am") && tgetflag ("xn");
- _rl_get_screen_size (tty, 0);
+ /* Allow calling application to set default height and width, using
+ rl_set_screen_size */
+ if (_rl_screenwidth <= 0 || _rl_screenheight <= 0)
+ _rl_get_screen_size (tty, 0);
/* "An application program can assume that the terminal can do
character insertion if *any one of* the capabilities `IC',
`im', `ic' or `ip' is provided." But we can't do anything if
only `ip' is provided, so... */
- terminal_can_insert = (term_IC || term_im || term_ic);
+ _rl_terminal_can_insert = (_rl_term_IC || _rl_term_im || _rl_term_ic);
/* 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_mm = term_mo = (char *)NULL;
+ 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. */
- xkeymap = _rl_keymap;
- _rl_keymap = emacs_standard_keymap;
- _rl_bind_if_unbound (term_ku, rl_get_previous_history);
- _rl_bind_if_unbound (term_kd, rl_get_next_history);
- _rl_bind_if_unbound (term_kr, rl_forward);
- _rl_bind_if_unbound (term_kl, rl_backward);
-
- _rl_bind_if_unbound (term_kh, rl_beg_of_line); /* Home */
- _rl_bind_if_unbound (term_kH, rl_end_of_line); /* End */
+ bind_termcap_arrow_keys (emacs_standard_keymap);
#if defined (VI_MODE)
- _rl_keymap = vi_movement_keymap;
- _rl_bind_if_unbound (term_ku, rl_get_previous_history);
- _rl_bind_if_unbound (term_kd, rl_get_next_history);
- _rl_bind_if_unbound (term_kr, rl_forward);
- _rl_bind_if_unbound (term_kl, rl_backward);
-
- _rl_bind_if_unbound (term_kh, rl_beg_of_line); /* Home */
- _rl_bind_if_unbound (term_kH, rl_end_of_line); /* End */
+ bind_termcap_arrow_keys (vi_movement_keymap);
+ bind_termcap_arrow_keys (vi_insertion_keymap);
#endif /* VI_MODE */
- _rl_keymap = xkeymap;
-
-#endif /* !__GO32__ */
return 0;
}
+/* Bind the arrow key sequences from the termcap description in MAP. */
+static void
+bind_termcap_arrow_keys (map)
+ Keymap map;
+{
+ Keymap xkeymap;
+
+ xkeymap = _rl_keymap;
+ _rl_keymap = map;
+
+ rl_bind_keyseq_if_unbound (_rl_term_ku, rl_get_previous_history);
+ rl_bind_keyseq_if_unbound (_rl_term_kd, rl_get_next_history);
+ rl_bind_keyseq_if_unbound (_rl_term_kr, rl_forward_char);
+ rl_bind_keyseq_if_unbound (_rl_term_kl, rl_backward_char);
+
+ rl_bind_keyseq_if_unbound (_rl_term_kh, rl_beg_of_line); /* Home */
+ rl_bind_keyseq_if_unbound (_rl_term_at7, rl_end_of_line); /* End */
+
+ rl_bind_keyseq_if_unbound (_rl_term_kD, rl_delete);
+
+ _rl_keymap = xkeymap;
+}
+
char *
rl_get_termcap (cap)
- char *cap;
+ const char *cap;
{
register int i;
@@ -462,8 +619,9 @@ rl_get_termcap (cap)
has changed. */
int
rl_reset_terminal (terminal_name)
- char *terminal_name;
+ const char *terminal_name;
{
+ _rl_screenwidth = _rl_screenheight = 0;
_rl_init_terminal_io (terminal_name);
return 0;
}
@@ -484,10 +642,11 @@ _rl_output_character_function (c)
return putc (c, _rl_out_stream);
}
#endif /* !_MINIX */
+
/* Write COUNT characters from STRING to the output stream. */
void
_rl_output_some_chars (string, count)
- char *string;
+ const char *string;
int count;
{
fwrite (string, 1, count, _rl_out_stream);
@@ -500,12 +659,12 @@ _rl_backspace (count)
{
register int i;
-#if !defined (__GO32__)
- if (term_backspace)
+#ifndef __MSDOS__
+ if (_rl_term_backspace)
for (i = 0; i < count; i++)
- tputs (term_backspace, 1, _rl_output_character_function);
+ tputs (_rl_term_backspace, 1, _rl_output_character_function);
else
-#endif /* !__GO32__ */
+#endif
for (i = 0; i < count; i++)
putc ('\b', _rl_out_stream);
return 0;
@@ -513,21 +672,21 @@ _rl_backspace (count)
/* Move to the start of the next line. */
int
-crlf ()
+rl_crlf ()
{
-#if defined (NEW_TTY_DRIVER)
- if (term_cr)
- tputs (term_cr, 1, _rl_output_character_function);
-#endif /* 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 || __MINT__ */
putc ('\n', _rl_out_stream);
return 0;
}
/* Ring the terminal bell. */
int
-ding ()
+rl_ding ()
{
- if (readline_echoing_p)
+ if (_rl_echoing_p)
{
switch (_rl_bell_preference)
{
@@ -535,17 +694,17 @@ ding ()
default:
break;
case VISIBLE_BELL:
-#if defined (__GO32__)
+#ifdef __MSDOS__
ScreenVisualBell ();
break;
#else
- if (visible_bell)
+ if (_rl_visible_bell)
{
- tputs (visible_bell, 1, _rl_output_character_function);
+ tputs (_rl_visible_bell, 1, _rl_output_character_function);
break;
}
-#endif
/* FALLTHROUGH */
+#endif
case AUDIBLE_BELL:
fprintf (stderr, "\007");
fflush (stderr);
@@ -565,9 +724,9 @@ ding ()
void
_rl_enable_meta_key ()
{
-#if !defined(__DJGPP__)
- if (term_has_meta && term_mm)
- tputs (term_mm, 1, _rl_output_character_function);
+#if !defined (__DJGPP__)
+ if (term_has_meta && _rl_term_mm)
+ tputs (_rl_term_mm, 1, _rl_output_character_function);
#endif
}
@@ -575,12 +734,38 @@ void
_rl_control_keypad (on)
int on;
{
-#if defined(__DJGPP__)
- on = on;
-#else
- if (on && term_ks)
- tputs (term_ks, 1, _rl_output_character_function);
- else if (!on && term_ke)
- tputs (term_ke, 1, _rl_output_character_function);
+#if !defined (__DJGPP__)
+ if (on && _rl_term_ks)
+ tputs (_rl_term_ks, 1, _rl_output_character_function);
+ else if (!on && _rl_term_ke)
+ tputs (_rl_term_ke, 1, _rl_output_character_function);
+#endif
+}
+
+/* **************************************************************** */
+/* */
+/* Controlling the Cursor */
+/* */
+/* **************************************************************** */
+
+/* Set the cursor appropriately depending on IM, which is one of the
+ insert modes (insert or overwrite). Insert mode gets the normal
+ cursor. Overwrite mode gets a very visible cursor. Only does
+ anything if we have both capabilities. */
+void
+_rl_set_cursor (im, force)
+ int im, force;
+{
+#ifndef __MSDOS__
+ if (_rl_term_ve && _rl_term_vs)
+ {
+ if (force || im != rl_insert_mode)
+ {
+ if (im == RL_IM_OVERWRITE)
+ tputs (_rl_term_vs, 1, _rl_output_character_function);
+ else
+ tputs (_rl_term_ve, 1, _rl_output_character_function);
+ }
+ }
#endif
}