diff options
Diffstat (limited to 'terminal.c')
| -rw-r--r-- | terminal.c | 85 |
1 files changed, 74 insertions, 11 deletions
@@ -55,6 +55,10 @@ # include <sys/ioctl.h> #endif /* GWINSZ_IN_SYS_IOCTL && !TIOCGWINSZ */ +#ifdef __MSDOS__ +# include <pc.h> +#endif + #include "rltty.h" #include "tcap.h" @@ -77,22 +81,25 @@ static void _win_get_screensize PARAMS((int *, int *)); 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; @@ -264,7 +271,10 @@ _rl_get_screen_size (tty, ignore_env) 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 @@ -280,7 +290,10 @@ _rl_get_screen_size (tty, ignore_env) 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 @@ -296,7 +309,8 @@ _rl_get_screen_size (tty, ignore_env) /* 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--; @@ -346,7 +360,13 @@ rl_reset_screen_size () { _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 () { @@ -432,6 +452,23 @@ _rl_init_terminal_io (terminal_name) 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). */ @@ -531,6 +568,7 @@ _rl_init_terminal_io (terminal_name) 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. */ @@ -628,10 +666,12 @@ _rl_backspace (count) { 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; @@ -663,7 +703,11 @@ rl_ding () case VISIBLE_BELL: if (_rl_visible_bell) { +#ifdef __DJGPP__ + ScreenVisualBell (); +#else tputs (_rl_visible_bell, 1, _rl_output_character_function); +#endif break; } /* FALLTHROUGH */ @@ -683,12 +727,29 @@ rl_ding () /* */ /* **************************************************************** */ +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 } @@ -718,6 +779,7 @@ void _rl_set_cursor (im, force) int im, force; { +#ifndef __MSDOS__ if (_rl_term_ve && _rl_term_vs) { if (force || im != rl_insert_mode) @@ -728,4 +790,5 @@ _rl_set_cursor (im, force) tputs (_rl_term_ve, 1, _rl_output_character_function); } } +#endif } |