diff options
Diffstat (limited to 'terminal.c')
| -rw-r--r-- | terminal.c | 55 |
1 files changed, 44 insertions, 11 deletions
@@ -1,6 +1,6 @@ /* terminal.c -- controlling the terminal with termcap. */ -/* Copyright (C) 1996-2005 Free Software Foundation, Inc. +/* Copyright (C) 1996-2006 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. @@ -66,10 +66,24 @@ #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; /* **************************************************************** */ /* */ @@ -111,9 +125,7 @@ char *_rl_term_IC; 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; @@ -122,7 +134,7 @@ 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; @@ -184,6 +196,26 @@ _emx_get_screensize (swp, shp) } #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 @@ -208,7 +240,9 @@ _rl_get_screen_size (tty, ignore_env) #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) @@ -274,6 +308,9 @@ void _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) @@ -355,9 +392,7 @@ static struct _tc_string tc_strings[] = { "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 }, @@ -454,9 +489,7 @@ _rl_init_terminal_io (terminal_name) _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 |