/* terminal.c -- controlling the terminal with termcap. */
-/* Copyright (C) 1996-2009 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2015 Free Software Foundation, Inc.
This file is part of the GNU Readline Library (Readline), a library
for reading lines of text with interactive input and history editing.
/* System-specific feature definitions and include files. */
#include "rldefs.h"
-#if defined (GWINSZ_IN_SYS_IOCTL) && !defined (TIOCGWINSZ)
-# include <sys/ioctl.h>
-#endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */
-
#ifdef __MSDOS__
-# include <pc.h>
+# include <pc.h>
#endif
#include "rltty.h"
+#if defined (HAVE_SYS_IOCTL_H)
+# include <sys/ioctl.h> /* include for declaration of ioctl */
+#endif
#include "tcap.h"
/* Some standard library routines. */
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 /* !__MSDOS__ */
+#endif
static int tcap_initialized;
/* 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 ()
{
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
default:
break;
case VISIBLE_BELL:
-#ifdef __MSDOS__
- ScreenVisualBell ();
- break;
-#else
if (_rl_visible_bell)
{
+#ifdef __DJGPP__
+ ScreenVisualBell ();
+#else
tputs (_rl_visible_bell, 1, _rl_output_character_function);
+#endif
break;
}
/* FALLTHROUGH */
-#endif
case AUDIBLE_BELL:
fprintf (stderr, "\007");
fflush (stderr);
/* */
/* **************************************************************** */
+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
}