diff options
Diffstat (limited to 'winsup/cygwin/fhandler_console.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_console.cc | 1387 |
1 files changed, 0 insertions, 1387 deletions
diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc deleted file mode 100644 index 188c79c56..000000000 --- a/winsup/cygwin/fhandler_console.cc +++ /dev/null @@ -1,1387 +0,0 @@ -/* fhandler_console.cc - - Copyright 1996, 1997, 1998, 1999, 2000 Cygnus Solutions. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -/* FIXMES: - Should the constructor call tcinit() explicitly rather than having - it sprinkled throughout here? */ - -#include <sys/termios.h> -#include <stdio.h> -#include <stdlib.h> -#include <fcntl.h> -#include <errno.h> -#include <unistd.h> -#include "winsup.h" -#include <ctype.h> - -/* - * Scroll the screen context. - * x1, y1 - ul corner - * x2, y2 - dr corner - * xn, yn - new ul corner - * Negative values represents current screen dimensions - */ -static struct - { - short Top, Bottom; - } scroll_region = {0, -1}; - -#define srTop (info.winTop + scroll_region.Top) -#define srBottom ((scroll_region.Bottom < 0) ? info.winBottom : info.winTop + scroll_region.Bottom) - -#define use_tty ISSTATE (myself, PID_USETTY) - -const char * get_nonascii_key (INPUT_RECORD& input_rec); - -HANDLE console_shared_h; - -static tty_min NO_COPY *shared_console_info = NULL; - -/* Allocate and initialize the shared record for the current console. - Returns a pointer to shared_console_info. */ -static __inline tty_min * -get_tty_stuff (int force = 0) -{ - if (shared_console_info && !force) - return shared_console_info; - - shared_console_info = (tty_min *) open_shared (NULL, console_shared_h, - sizeof (*shared_console_info), - NULL); - ProtectHandle (console_shared_h); - shared_console_info->setntty (TTY_CONSOLE); - shared_console_info->setsid (myself->sid); - return shared_console_info; -} - -/* Return the tty structure associated with a given tty number. If the - tty number is < 0, just return a dummy record. */ -tty_min * -tty_list::get_tty (int n) -{ - static tty_min nada; - if (n == TTY_CONSOLE) - return get_tty_stuff (); - else if (n >= 0) - return &cygwin_shared->tty.ttys[n]; - else - return &nada; -} - - -/* Determine if a console is associated with this process prior to a spawn. - If it is, then we'll return 1. If the console has been initialized, then - set it into a more friendly state for non-cygwin apps. */ -int __stdcall -set_console_state_for_spawn () -{ - HANDLE h = CreateFileA ("CONIN$", GENERIC_READ, FILE_SHARE_WRITE, - &sec_none_nih, OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL, NULL); - - if (h == INVALID_HANDLE_VALUE || h == NULL) - return 0; - - if (shared_console_info != NULL) - { -# define tc shared_console_info /* ACK. Temporarily define for use in TTYSETF macro */ - SetConsoleMode (h, ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT | ENABLE_PROCESSED_INPUT); - TTYSETF (RSTCONS); -#if 0 - char ch; - DWORD n; - /* NOTE -- This ReadFile is apparently necessary for correct functioning on - Windows NT 4.0. Without this, the next ReadFile returns garbage. */ - (void) ReadFile (h, &ch, 0, &n, NULL); -#endif -# undef tc - } - - CloseHandle (h); - return 1; -} - -int -fhandler_console::read (void *pv, size_t buflen) -{ - if (!buflen) - return 0; - - HANDLE h = get_io_handle (); - int copied_chars = 0; - -#define buf ((char *) pv) - - int ch; - set_input_state (); - while (buflen) - if ((ch = get_readahead ()) < 0) - break; - else - { - buf[copied_chars++] = (unsigned char)(ch & 0xff); - buflen--; - } - - if (copied_chars) - return copied_chars; - - HANDLE w4[2]; - DWORD nwait; - - w4[0] = h; - nwait = 2; - w4[1] = signal_arrived; - - for (;;) - { - int bgres; - if ((bgres = bg_check (SIGTTIN)) <= 0) - return bgres; - - switch (WaitForMultipleObjects (nwait, w4, FALSE, INFINITE)) - { - case WAIT_OBJECT_0: - break; - case WAIT_OBJECT_0 + 1: - set_sig_errno (EINTR); - return -1; - default: - __seterrno (); - return -1; - } - DWORD nread; - INPUT_RECORD input_rec; - const char *toadd; - - if (!ReadConsoleInput (h, &input_rec, 1, &nread)) - { - syscall_printf ("ReadConsoleInput failed, %E"); - __seterrno (); - return -1; /* seems to be failure */ - } - -#define ich (input_rec.Event.KeyEvent.uChar.AsciiChar) - - /* check if we're just disposing of this one */ - - if (input_rec.EventType == WINDOW_BUFFER_SIZE_EVENT) - { - kill_pgrp (tc->getpgid (), SIGWINCH); - continue; - } -debug_printf ("ich %d, keydown %d, type %d", ich, input_rec.Event.KeyEvent.bKeyDown, input_rec.EventType); - if (input_rec.EventType != KEY_EVENT || - !input_rec.Event.KeyEvent.bKeyDown) - continue; - - if (ich == 0) /* arrow/function keys */ - { - toadd = get_nonascii_key (input_rec); - if (!toadd) - continue; - nread = strlen (toadd); - } - else if (!(input_rec.Event.KeyEvent.dwControlKeyState & LEFT_ALT_PRESSED)) - toadd = &ich; - else - { - static char tmp[2]; - tmp[0] = '\033'; - tmp[1] = tolower (ich); - toadd = tmp; - nread = 2; - } - - if (line_edit (toadd, nread)) - break; -#undef ich - } - - while (buflen) - if ((ch = get_readahead ()) < 0) - break; - else - { - buf[copied_chars++] = (unsigned char)(ch & 0xff); - buflen--; - } -#undef buf - - return copied_chars; -} - -static struct - { - SHORT winTop; - SHORT winBottom; - COORD dwWinSize; - COORD dwCursorPosition; - WORD wAttributes; - } info; - -BOOL -fhandler_console::fillin_info (void) -{ - BOOL ret; - CONSOLE_SCREEN_BUFFER_INFO linfo; - - if ((ret = GetConsoleScreenBufferInfo (get_output_handle(), &linfo))) - { - info.winTop = linfo.srWindow.Top; - info.winBottom = linfo.srWindow.Bottom; - info.dwWinSize.Y = 1 + linfo.srWindow.Bottom - linfo.srWindow.Top; - info.dwWinSize.X = 1 + linfo.srWindow.Right - linfo.srWindow.Left; - info.dwCursorPosition = linfo.dwCursorPosition; - info.wAttributes = linfo.wAttributes; - } - else - { - memset (&info, 0, sizeof info); - info.dwWinSize.Y = 25; - info.dwWinSize.X = 80; - info.winBottom = 24; - } - - return ret; -} - -void -fhandler_console::scroll_screen (int x1, int y1, int x2, int y2, int xn, int yn) -{ - SMALL_RECT sr1, sr2; - CHAR_INFO fill; - COORD dest; - - (void)fillin_info (); - sr1.Left = x1 >= 0 ? x1 : info.dwWinSize.X - 1; - if (y1 == 0) - sr1.Top = info.winTop; - else - sr1.Top = y1 > 0 ? y1 : info.winBottom; - sr1.Right = x2 >= 0 ? x2 : info.dwWinSize.X - 1; - if (y2 == 0) - sr1.Bottom = info.winTop; - else - sr1.Bottom = y2 > 0 ? y2 : info.winBottom; - sr2.Top = srTop; - sr2.Left = 0; - sr2.Bottom = srBottom; - sr2.Right = info.dwWinSize.X - 1; - if (sr1.Bottom > sr2.Bottom && sr1.Top <= sr2.Bottom) - sr1.Bottom = sr2.Bottom; - dest.X = xn >= 0 ? xn : info.dwWinSize.X - 1; - if (yn == 0) - dest.Y = info.winTop; - else - dest.Y = yn > 0 ? yn : info.winBottom; - fill.Char.AsciiChar = ' '; - fill.Attributes = default_color; - ScrollConsoleScreenBuffer (get_output_handle (), &sr1, &sr2, dest, &fill); - - /* ScrollConsoleScreenBuffer on Windows 95 is buggy - when scroll distance - * is more than half of screen, filling doesn't work as expected */ - - if (sr1.Top != sr1.Bottom) - if (dest.Y <= sr1.Top) /* forward scroll */ - clear_screen (0, 1 + dest.Y + sr1.Bottom - sr1.Top, sr2.Right, sr2.Bottom); - else /* reverse scroll */ - clear_screen (0, sr1.Top, sr2.Right, dest.Y - 1); -} - -int -fhandler_console::open (const char *, int flags, mode_t) -{ - HANDLE h; - - tcinit (get_tty_stuff ()); - - set_io_handle (INVALID_HANDLE_VALUE); - set_output_handle (INVALID_HANDLE_VALUE); - - set_flags (flags); - - /* Open the input handle as handle_ */ - h = CreateFileA ("CONIN$", GENERIC_READ|GENERIC_WRITE, - FILE_SHARE_READ | FILE_SHARE_WRITE, &sec_none, - OPEN_EXISTING, 0, 0); - - if (h == INVALID_HANDLE_VALUE) - { - __seterrno (); - return 0; - } - set_io_handle (h); - set_r_no_interrupt (1); // Handled explicitly in read code - - h = CreateFileA ("CONOUT$", GENERIC_READ|GENERIC_WRITE, - FILE_SHARE_WRITE | FILE_SHARE_WRITE, &sec_none, - OPEN_EXISTING, 0, 0); - - if (h == INVALID_HANDLE_VALUE) - { - __seterrno (); - return 0; - } - set_output_handle (h); - - if (fillin_info ()) - default_color = info.wAttributes; - - DWORD cflags; - if (GetConsoleMode (get_io_handle (), &cflags)) - { - cflags |= ENABLE_PROCESSED_INPUT; - SetConsoleMode (get_io_handle (), ENABLE_WINDOW_INPUT | cflags); - } - - TTYCLEARF (RSTCONS); - set_ctty (TTY_CONSOLE, flags); - debug_printf("opened conin$ %p, conout$ %p", - get_io_handle (), get_output_handle ()); - - return 1; -} - -int -fhandler_console::close (void) -{ - CloseHandle (get_io_handle ()); - CloseHandle (get_output_handle ()); - set_io_handle (INVALID_HANDLE_VALUE); - set_output_handle (INVALID_HANDLE_VALUE); - return 0; -} - -/* - * Special console dup to duplicate input and output - * handles. - */ - -int -fhandler_console::dup (fhandler_base *child) -{ - fhandler_console *fhc = (fhandler_console *) child; - - if (!fhc->open(get_name (), get_flags (), 0)) - system_printf ("error opening console, %E"); - - fhc->state_ = state_; - fhc->default_color = default_color; - - return 0; -} - -int -fhandler_console::ioctl (unsigned int cmd, void *buf) -{ - switch (cmd) - { - case TIOCGWINSZ: - int st; - - st = fillin_info (); - if (st) - { - /* *not* the buffer size, the actual screen size... */ - /* based on Left Top Right Bottom of srWindow */ - ((struct winsize *) buf)->ws_row = info.dwWinSize.Y; - ((struct winsize *) buf)->ws_col = info.dwWinSize.X; - syscall_printf ("WINSZ: (row=%d,col=%d)", - ((struct winsize *) buf)->ws_row, - ((struct winsize *) buf)->ws_col); - return 0; - } - else - { - syscall_printf ("WINSZ failed"); - __seterrno (); - return -1; - } - return 0; - case TIOCSWINSZ: - (void) bg_check (SIGTTOU, 0); - return 0; - } - - return fhandler_base::ioctl (cmd, buf); -} - -int -fhandler_console::tcflush (int queue) -{ - int res = 0; - if (queue == TCIFLUSH - || queue == TCIOFLUSH) - { - if (!FlushConsoleInputBuffer (get_io_handle ())) - { - __seterrno (); - res = -1; - } - } - return res; -} - -int -fhandler_console::output_tcsetattr (int, struct termios const *t) -{ - /* Ignore the optional_actions stuff, since all output is emitted - instantly */ - - /* Enable/disable LF -> CRLF conversions */ - set_w_binary ((t->c_oflag & ONLCR) ? 0 : 1); - - /* All the output bits we can ignore */ - - DWORD flags = ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT; - - int res = SetConsoleMode (get_output_handle (), flags) ? 0 : -1; - syscall_printf ("%d = tcsetattr (,%x) (ENABLE FLAGS %x) (lflag %x oflag %x)", - res, t, flags, t->c_lflag, t->c_oflag); - return res; -} - -int -fhandler_console::input_tcsetattr (int, struct termios const *t) -{ - /* Ignore the optional_actions stuff, since all output is emitted - instantly */ - - DWORD oflags; - - if (!GetConsoleMode (get_io_handle (), &oflags)) - oflags = 0; - DWORD flags = 0; - - /* Enable/disable LF -> CRLF conversions */ - set_r_binary ((t->c_iflag & INLCR) ? 0 : 1); - - /* There's some disparity between what we need and what's - available. We've got ECHO and ICANON, they've - got ENABLE_ECHO_INPUT and ENABLE_LINE_INPUT. */ - - tc->ti = *t; - - if (t->c_lflag & ECHO) - { - flags |= ENABLE_ECHO_INPUT; - } - if (t->c_lflag & ICANON) - { - flags |= ENABLE_LINE_INPUT; - } - - if (flags & ENABLE_ECHO_INPUT - && !(flags & ENABLE_LINE_INPUT)) - { - /* This is illegal, so turn off the echo here, and fake it - when we read the characters */ - - flags &= ~ENABLE_ECHO_INPUT; - } - - if (t->c_lflag & ISIG) - { - flags |= ENABLE_PROCESSED_INPUT; - } - /* What about ENABLE_WINDOW_INPUT - and ENABLE_MOUSE_INPUT ? */ - - if (use_tty) - { - flags = 0; // ENABLE_PROCESSED_OUTPUT | ENABLE_WRAP_AT_EOL_OUTPUT; - tc->ti.c_iflag = 0; - tc->ti.c_lflag = 0; - } - - flags |= ENABLE_WINDOW_INPUT; - - int res; - if (flags == oflags) - res = 0; - else - { - res = SetConsoleMode (get_io_handle (), flags) ? 0 : -1; - if (res < 0) - __seterrno (); - syscall_printf ("%d = tcsetattr (,%x) enable flags %p, c_lflag %p iflag %p", - res, t, flags, t->c_lflag, t->c_iflag); - } - - TTYCLEARF (RSTCONS); - return res; -} - -int -fhandler_console::tcsetattr (int a, struct termios const *t) -{ - int res = output_tcsetattr (a, t); - if (res != 0) - return res; - return input_tcsetattr (a, t); -} - -int -fhandler_console::tcgetattr (struct termios *t) -{ - int res; - *t = tc->ti; - - t->c_cflag |= CS8; - -#if 0 - if (!get_r_binary ()) - t->c_iflag |= IGNCR; - if (!get_w_binary ()) - t->c_oflag |= ONLCR; -#endif - - DWORD flags; - - if (!GetConsoleMode (get_io_handle (), &flags)) - { - __seterrno (); - res = -1; - } - else - { - if (flags & ENABLE_ECHO_INPUT) - t->c_lflag |= ECHO; - - if (flags & ENABLE_LINE_INPUT) - t->c_lflag |= ICANON; - - if (flags & ENABLE_PROCESSED_INPUT) - t->c_lflag |= ISIG; - - /* What about ENABLE_WINDOW_INPUT - and ENABLE_MOUSE_INPUT ? */ - - /* All the output bits we can ignore */ - res = 0; - } - syscall_printf ("%d = tcgetattr (%p) enable flags %p, t->lflag %p, t->iflag %p", - res, t, flags, t->c_lflag, t->c_iflag); - return res; -} - -/* - * Constructor. - */ - -fhandler_console::fhandler_console (const char *name) : - fhandler_termios (FH_CONSOLE, name, -1) -{ - set_cb (sizeof *this); - state_ = normal; - set_need_fork_fixup (); -} - -/* - * Clear the screen context from x1/y1 to x2/y2 cell. - * Negative values represents current screen dimensions - */ -void -fhandler_console::clear_screen (int x1, int y1, int x2, int y2) -{ - COORD tlc; - DWORD done; - int num; - - (void)fillin_info (); - - if (x1 < 0) - x1 = info.dwWinSize.X-1; - if (y1 < 0) - y1 = info.winBottom; - if (x2 < 0) - x2 = info.dwWinSize.X-1; - if (y2 < 0) - y2 = info.winBottom; - - num = abs (y1 - y2) * info.dwWinSize.X + abs (x1 - x2) + 1; - - if ((y2 * info.dwWinSize.X + x2) > (y1 * info.dwWinSize.X + x1)) - { - tlc.X = x1; - tlc.Y = y1; - } - else - { - tlc.X = x2; - tlc.Y = y2; - } - FillConsoleOutputCharacterA (get_output_handle (), ' ', - num, - tlc, - &done); - FillConsoleOutputAttribute (get_output_handle (), - default_color, - num, - tlc, - &done); -} - -void -fhandler_console::cursor_set (BOOL rel_to_top, int x, int y) -{ - COORD pos; - - (void)fillin_info (); - if (y > info.winBottom) - y = info.winBottom; - else if (y < 0) - y = 0; - else if (rel_to_top) - y += info.winTop; - - if (x > info.dwWinSize.X) - x = info.dwWinSize.X - 1; - else if (x < 0) - x = 0; - - pos.X = x; - pos.Y = y; - SetConsoleCursorPosition (get_output_handle (), pos); -} - -void -fhandler_console::cursor_rel (int x, int y) -{ - fillin_info (); - x += info.dwCursorPosition.X; - y += info.dwCursorPosition.Y; - cursor_set (FALSE, x, y); -} - -void -fhandler_console::cursor_get (int *x, int *y) -{ - fillin_info (); - *y = info.dwCursorPosition.Y; - *x = info.dwCursorPosition.X; -} - -#define BAK 1 -#define ESC 2 -#define NOR 0 -#define IGN 4 -#if 0 -#define ERR 5 -#else -#define ERR NOR -#endif -#define DWN 6 -#define BEL 7 -#define TAB 8 /* We should't let the console deal with these */ -#define CR 13 -#define LF 10 - -static const char base_chars[256] = -{ -/*00 01 02 03 04 05 06 07 */ IGN, ERR, ERR, NOR, NOR, NOR, NOR, BEL, -/*08 09 0A 0B 0C 0D 0E 0F */ BAK, TAB, DWN, ERR, ERR, CR, ERR, IGN, -/*10 11 12 13 14 15 16 17 */ NOR, NOR, ERR, ERR, ERR, ERR, ERR, ERR, -/*18 19 1A 1B 1C 1D 1E 1F */ NOR, NOR, ERR, ESC, ERR, ERR, ERR, ERR, -/* ! " # $ % & ' */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*( ) * + , - . / */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*0 1 2 3 4 5 6 7 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*8 9 : ; < = > ? */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*@ A B C D E F G */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*H I J K L M N O */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*P Q R S T U V W */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*X Y Z [ \ ] ^ _ */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*` a b c d e f g */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*h i j k l m n o */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*p q r s t u v w */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*x y z { | } ~ 7F */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*80 81 82 83 84 85 86 87 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*88 89 8A 8B 8C 8D 8E 8F */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*90 91 92 93 94 95 96 97 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*98 99 9A 9B 9C 9D 9E 9F */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*A0 A1 A2 A3 A4 A5 A6 A7 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*A8 A9 AA AB AC AD AE AF */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*B0 B1 B2 B3 B4 B5 B6 B7 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*B8 B9 BA BB BC BD BE BF */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*C0 C1 C2 C3 C4 C5 C6 C7 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*C8 C9 CA CB CC CD CE CF */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*D0 D1 D2 D3 D4 D5 D6 D7 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*D8 D9 DA DB DC DD DE DF */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*E0 E1 E2 E3 E4 E5 E6 E7 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*E8 E9 EA EB EC ED EE EF */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*F0 F1 F2 F3 F4 F5 F6 F7 */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR, -/*F8 F9 FA FB FC FD FE FF */ NOR, NOR, NOR, NOR, NOR, NOR, NOR, NOR }; - -/*#define syscall_printf small_printf*/ - -static int savex, savey; /* for CSI s, CSI u */ - -void -fhandler_console::char_command (char c) -{ - // Keep the background intensity with the colr since there doesn't seem - // to be a way to set this with termcap/terminfo. - static int fg = default_color & (FOREGROUND_BLUE | FOREGROUND_GREEN | - FOREGROUND_RED), - bg = default_color & (BACKGROUND_BLUE | BACKGROUND_GREEN | - BACKGROUND_RED | BACKGROUND_INTENSITY), - bold = default_color & FOREGROUND_INTENSITY; - int x, y; - char buf[40]; - - switch (c) - { - case 'm': /* Set Graphics Rendition */ - int i; - - for (i = 0; i <= nargs_; i++) - switch (args_[i]) - { - case 0: /* normal color */ - fg = default_color & (FOREGROUND_BLUE | FOREGROUND_GREEN | - FOREGROUND_RED); - bg = default_color & (BACKGROUND_BLUE | BACKGROUND_GREEN | - BACKGROUND_RED | BACKGROUND_INTENSITY); - bold = default_color & FOREGROUND_INTENSITY; - break; - case 1: /* bold */ - fg = default_color & (FOREGROUND_BLUE | FOREGROUND_GREEN | - FOREGROUND_RED); - bg = default_color & (BACKGROUND_BLUE | BACKGROUND_GREEN | - BACKGROUND_RED | BACKGROUND_INTENSITY); - bold = FOREGROUND_INTENSITY; - break; - case 4: /* underline - simulate with cyan */ - fg = FOREGROUND_BLUE | FOREGROUND_GREEN; - bg = default_color & (BACKGROUND_BLUE | BACKGROUND_GREEN | - BACKGROUND_RED | BACKGROUND_INTENSITY); - bold = default_color & FOREGROUND_INTENSITY; - break; - case 5: /* blink mode */ - fg = default_color & (FOREGROUND_BLUE | FOREGROUND_GREEN | - FOREGROUND_RED); - bg = default_color & (BACKGROUND_BLUE | BACKGROUND_GREEN | - BACKGROUND_RED | BACKGROUND_INTENSITY); - bold = default_color & FOREGROUND_INTENSITY; - break; - case 7: /* reverse */ - fg = (default_color & BACKGROUND_BLUE) ? FOREGROUND_BLUE : 0; - fg |= (default_color & BACKGROUND_GREEN) ? FOREGROUND_GREEN : 0; - fg |= (default_color & BACKGROUND_RED) ? FOREGROUND_RED : 0; - fg |= (default_color & BACKGROUND_INTENSITY) ? - FOREGROUND_INTENSITY : 0; - bg = (default_color & FOREGROUND_BLUE) ? BACKGROUND_BLUE : 0; - bg |= (default_color & FOREGROUND_GREEN) ? BACKGROUND_GREEN : 0; - bg |= (default_color & FOREGROUND_RED) ? BACKGROUND_RED : 0; - bg |= (default_color & FOREGROUND_INTENSITY) ? - BACKGROUND_INTENSITY : 0; - break; - case 8: /* invisible */ - fg = (default_color & BACKGROUND_BLUE) ? FOREGROUND_BLUE : 0; - fg |= (default_color & BACKGROUND_GREEN) ? FOREGROUND_GREEN : 0; - fg |= (default_color & BACKGROUND_RED) ? FOREGROUND_RED : 0; - bg = default_color & (BACKGROUND_BLUE | BACKGROUND_GREEN | - BACKGROUND_RED | BACKGROUND_INTENSITY); - bold = (default_color & BACKGROUND_INTENSITY) ? - FOREGROUND_INTENSITY : 0; - break; - case 9: /* dim */ - fg = default_color & (FOREGROUND_BLUE | FOREGROUND_GREEN | - FOREGROUND_RED); - bg = default_color & (BACKGROUND_BLUE | BACKGROUND_GREEN | - BACKGROUND_RED | BACKGROUND_INTENSITY); - bold = (fg == 0) ? FOREGROUND_INTENSITY : 0; - break; - case 30: /* BLACK foreground */ - fg = 0; - break; - case 31: /* RED foreground */ - fg = FOREGROUND_RED; - break; - case 32: /* GREEN foreground */ - fg = FOREGROUND_GREEN; - break; - case 33: /* YELLOW foreground */ - fg = FOREGROUND_RED | FOREGROUND_GREEN; - break; - case 34: /* BLUE foreground */ - fg = FOREGROUND_BLUE; - break; - case 35: /* MAGENTA foreground */ - fg = FOREGROUND_RED | FOREGROUND_BLUE; - break; - case 36: /* CYAN foreground */ - fg = FOREGROUND_BLUE | FOREGROUND_GREEN; - break; - case 37: /* WHITE foreg */ - fg = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED; - break; - case 40: /* BLACK background */ - bg = 0; - break; - case 41: /* RED background */ - bg = BACKGROUND_RED; - break; - case 42: /* GREEN background */ - bg = BACKGROUND_GREEN; - break; - case 43: /* YELLOW background */ - bg = BACKGROUND_RED | BACKGROUND_GREEN; - break; - case 44: /* BLUE background */ - bg = BACKGROUND_BLUE; - break; - case 45: /* MAGENTA background */ - bg = BACKGROUND_RED | BACKGROUND_BLUE; - break; - case 46: /* CYAN background */ - bg = BACKGROUND_BLUE | BACKGROUND_GREEN; - break; - case 47: /* WHITE background */ - bg = BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED; - break; - default: - fg = default_color & (FOREGROUND_BLUE | FOREGROUND_GREEN | - FOREGROUND_RED); - bg = default_color & (BACKGROUND_BLUE | BACKGROUND_GREEN | - BACKGROUND_RED | BACKGROUND_INTENSITY); - bold = default_color & FOREGROUND_INTENSITY; - break; - } - SetConsoleTextAttribute (get_output_handle (), fg | bg | bold); - break; - case 'h': - case 'l': - /* Ignore */ - break; - case 'J': - switch (args_[0]) - { - case 0: /* Clear to end of screen */ - cursor_get (&x, &y); - clear_screen (x, y, -1, -1); - break; - case 1: /* Clear from beginning of screen to cursor */ - cursor_get (&x, &y); - clear_screen (0, 0, x, y); - break; - case 2: /* Clear screen */ - clear_screen (0, 0, -1, -1); - cursor_set (TRUE, 0,0); - break; - default: - goto bad_escape; - } - break; - - case 'A': - cursor_rel (0, -(args_[0] ? args_[0] : 1)); - break; - case 'B': - cursor_rel (0, args_[0] ? args_[0] : 1); - break; - case 'C': - cursor_rel (args_[0] ? args_[0] : 1, 0); - break; - case 'D': - cursor_rel (-(args_[0] ? args_[0] : 1),0); - break; - case 'K': - switch (args_[0]) - { - case 0: /* Clear to end of line */ - cursor_get (&x, &y); - clear_screen (x, y, -1, y); - break; - case 2: /* Clear line */ - cursor_get (&x, &y); - clear_screen (0, y, -1, y); - break; - case 1: /* Clear from bol to cursor */ - cursor_get (&x, &y); - clear_screen (0, y, x, y); - break; - default: - goto bad_escape; - } - break; - case 'H': - case 'f': - cursor_set (TRUE, (args_[1] ? args_[1] : 1) - 1, - (args_[0] ? args_[0] : 1) - 1); - break; - case 'G': /* hpa - position cursor at column n - 1 */ - cursor_get (&x, &y); - cursor_set (FALSE, (args_[0] ? args_[0] - 1 : 0), y); - break; - case 'd': /* vpa - position cursor at line n */ - cursor_get (&x, &y); - cursor_set (TRUE, x, (args_[0] ? args_[0] - 1 : 0)); - break; - case 's': /* Save cursor position */ - cursor_get (&savex, &savey); - break; - case 'u': /* Restore cursor position */ - cursor_set (FALSE, savex, savey); - break; - case 'I': /* TAB */ - cursor_get (&x, &y); - cursor_set (FALSE, 8*(x/8+1), y); - break; - case 'L': /* AL - insert blank lines */ - args_[0] = args_[0] ? args_[0] : 1; - cursor_get (&x, &y); - scroll_screen (0, y, -1, -1, 0, y + args_[0]); - break; - case 'M': /* DL - delete lines */ - args_[0] = args_[0] ? args_[0] : 1; - cursor_get (&x, &y); - scroll_screen (0, y + args_[0], -1, -1, 0, y); - break; - case '@': /* IC - insert chars */ - args_[0] = args_[0] ? args_[0] : 1; - cursor_get (&x, &y); - scroll_screen (x, y, -1, y, x + args_[0], y); - break; - case 'P': /* DC - delete chars */ - args_[0] = args_[0] ? args_[0] : 1; - cursor_get (&x, &y); - scroll_screen (x + args_[0], y, -1, y, x, y); - break; - case 'S': /* SF - Scroll forward */ - args_[0] = args_[0] ? args_[0] : 1; - scroll_screen(0, args_[0], -1, -1, 0, 0); - break; - case 'T': /* SR - Scroll down */ - fillin_info (); - args_[0] = args_[0] ? args_[0] : 1; - scroll_screen (0, 0, -1, -1, 0, info.winTop + args_[0]); - break; - case 'X': /* ec - erase chars */ - args_[0] = args_[0] ? args_[0] : 1; - cursor_get (&x, &y); - scroll_screen (x + args_[0], y, -1, y, x, y); - scroll_screen (x, y, -1, y, x + args_[0], y); - break; - case 'Z': /* Back tab */ - cursor_get (&x, &y); - cursor_set (FALSE, ((8 * (x / 8 + 1)) - 8), y); - break; - case 'b': /* Repeat char #1 #2 times */ - while (args_[1]--) - WriteFile (get_output_handle (), &args_[0], 1, (DWORD *) &x, 0); - break; - case 'c': /* u9 - Terminal enquire string */ - strcpy (buf, "\033[?6c"); - puts_readahead (buf); - break; - case 'n': - switch (args_[0]) - { - case 6: /* u7 - Cursor position request */ - cursor_get (&x, &y); - y -= info.winTop; - /* x -= info.winLeft; // not available yet */ - __small_sprintf (buf, "\033[%d;%dR", y + 1, x + 1); - puts_readahead (buf); - break; - default: - goto bad_escape; - } - break; - case 'r': /* Set Scroll region */ - scroll_region.Top = args_[0] ? args_[0] - 1 : 0; - scroll_region.Bottom = args_[1] ? args_[1] - 1 : -1; - cursor_set (TRUE, 0, 0); - break; - case 'g': /* TAB set/clear */ - break; - default: -bad_escape: - break; - } -} - -const unsigned char * -fhandler_console::write_normal (const unsigned char *src, - const unsigned char *end) -{ - /* Scan forward to see what a char which needs special treatment */ - DWORD done; - const unsigned char *found = src; - - while (found < end) - { - if (base_chars[*found] != NOR) - break; - found++; - } - /* Print all the base ones out */ - if (found != src) - { - if (! WriteFile (get_output_handle (), src, found - src, &done, 0)) - { - debug_printf ("write failed, handle %p", get_output_handle ()); - __seterrno (); - return 0; - } - src += done; - } - if (src < end) - { - int x, y; - switch (base_chars[*src]) - { - case BEL: - Beep (412, 100); - break; - case ESC: - state_ = gotesc; - break; - case DWN: /* WriteFile("\n") always adds CR... */ - cursor_get (&x, &y); - if (y >= srBottom) - { - if (y < info.winBottom || scroll_region.Top) - { - scroll_screen (0, srTop + 1, -1, srBottom, 0, srTop); - y--; - } - else - WriteFile (get_output_handle (), "\n", 1, &done, 0); - } - if (!get_w_binary ()) - x = 0; - cursor_set (FALSE, x, y + 1); - break; - case BAK: - cursor_rel (-1, 0); - break; - case IGN: - cursor_rel (1, 0); - break; - case CR: - cursor_get (&x, &y); - cursor_set (FALSE, 0, y); - break; - case ERR: - WriteFile (get_output_handle (), src, 1, &done, 0); - break; - case TAB: - cursor_get (&x, &y); - cursor_set (FALSE, 8 * (x / 8 + 1), y); - break; - } - src ++; - } - return src; -} - -int -fhandler_console::write (const void *vsrc, size_t len) -{ - /* Run and check for ansi sequences */ - unsigned const char *src = (unsigned char *) vsrc; - unsigned const char *end = src + len; - static NO_COPY unsigned rarg; - static NO_COPY char my_title_buf[TITLESIZE + 1]; - - debug_printf ("%x, %d", vsrc, len); - - while (src < end) - { - debug_printf ("at %d(%c) state is %d", *src, isprint (*src) ? *src : ' ', - state_); - switch (state_) - { - case normal: - src = write_normal (src, end); - if (src == 0) /* write_normal fail */ - return -1; - break; - case gotesc: - if (*src == '[') - { - state_ = gotsquare; - for (nargs_ = 0; nargs_ < MAXARGS; nargs_++) - args_[nargs_] = 0; - nargs_ = 0; - } - else if (*src == ']') - { - rarg = 0; - my_title_buf[0] = '\0'; - state_ = gotrsquare; - } - else if (*src == 'M') /* Reverse Index */ - { - fillin_info (); - scroll_screen (0, 0, -1, -1, 0, info.winTop + 1); - state_ = normal; - } - else if (*src == 'c') /* Reset Linux terminal */ - { - clear_screen (0, 0, -1, -1); - cursor_set (TRUE, 0, 0); - state_ = normal; - } - else if (*src == '8') /* Restore cursor position */ - { - cursor_set (FALSE, savex, savey); - state_ = normal; - } - else if (*src == '7') /* Save cursor position */ - { - cursor_get (&savex, &savey); - state_ = normal; - } - else if (*src == 'R') - state_ = normal; - else - { - state_ = normal; - } - src++; - break; - case gotarg1: - if (isdigit (*src)) - { - args_[nargs_] = args_[nargs_] * 10 + *src - '0'; - src++; - } - else if (*src == ';') - { - src++; - nargs_++; - if (nargs_ >= MAXARGS) - nargs_--; - } - else - { - state_ = gotcommand; - } - break; - case gotcommand: - char_command (*src++); - state_ = normal; - break; - case gotrsquare: - if (isdigit(*src)) - rarg = rarg * 10 + (*src - '0'); - else if (*src == ';' && (rarg == 2 || rarg == 0)) - state_ = gettitle; - else - state_ = eattitle; - src++; - break; - case eattitle: - case gettitle: - { - int n = strlen (my_title_buf); - if (*src < ' ' || *src >= '\177') - { - if (*src == '\007' && state_ == gettitle) - { - if (old_title) - strcpy (old_title, my_title_buf); - set_console_title (my_title_buf); - } - state_ = normal; - } - else if (n < TITLESIZE) - { - my_title_buf[n++] = *src; - my_title_buf[n] = '\0'; - } - src++; - break; - } - case gotsquare: - if (*src == ';') - { - state_ = gotarg1; - nargs_++; - src++; - } - else if (isalpha (*src)) - { - state_ = gotcommand; - } - else if (*src != '@' && !isalpha (*src) && !isdigit (*src)) - { - /* ignore any extra chars between [ and first arg or command */ - src++; - } - else - state_ = gotarg1; - break; - } - } - syscall_printf ("%d = write_console (,..%d)", len, len); - - return len; -} - -static struct { - int vk; - const char *val[4]; -} keytable[] = { - /* NORMAL */ /* SHIFT */ /* CTRL */ /* ALT */ - {VK_LEFT, {"\033[D", NULL, NULL, NULL}}, - {VK_RIGHT, {"\033[C", NULL, NULL, NULL}}, - {VK_UP, {"\033[A", NULL, NULL, NULL}}, - {VK_DOWN, {"\033[B", NULL, NULL, NULL}}, - {VK_PRIOR, {"\033[5~", NULL, NULL, NULL}}, - {VK_NEXT, {"\033[6~", NULL, NULL, NULL}}, - {VK_HOME, {"\033[1~", NULL, NULL, NULL}}, - {VK_END, {"\033[4~", NULL, NULL, NULL}}, - {VK_INSERT, {"\033[2~", NULL, NULL, NULL}}, - {VK_DELETE, {"\033[3~", NULL, NULL, NULL}}, - {VK_F1, {"\033[[A", "\033[23~", NULL, NULL}}, - {VK_F2, {"\033[[B", "\033[24~", NULL, NULL}}, - {VK_F3, {"\033[[C", "\033[25~", NULL, NULL}}, - {VK_F4, {"\033[[D", "\033[26~", NULL, NULL}}, - {VK_F5, {"\033[[E", "\033[28~", NULL, NULL}}, - {VK_F6, {"\033[17~", "\033[29~", "\036", NULL}}, - {VK_F7, {"\033[18~", "\033[31~", NULL, NULL}}, - {VK_F8, {"\033[19~", "\033[32~", NULL, NULL}}, - {VK_F9, {"\033[20~", "\033[33~", NULL, NULL}}, - {VK_F10, {"\033[21~", "\033[34~", NULL, NULL}}, - {VK_F11, {"\033[23~", NULL, NULL, NULL}}, - {VK_F12, {"\033[24~", NULL, NULL, NULL}}, - {VK_NUMPAD5, {"\033[G", NULL, NULL, NULL}}, - {'6', {NULL, NULL, "\036", NULL}}, - {0, {"", NULL, NULL, NULL}} -}; - -const char * -get_nonascii_key (INPUT_RECORD& input_rec) -{ -#define NORMAL 0 -#define SHIFT 1 -#define CONTROL 2 -#define ALT 3 - int modifier_index = NORMAL; - - if (input_rec.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) - modifier_index = SHIFT; - else if (input_rec.Event.KeyEvent.dwControlKeyState & - (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) - modifier_index = CONTROL; - else if (input_rec.Event.KeyEvent.dwControlKeyState & - (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)) - modifier_index = ALT; - - for (int i = 0; keytable[i].vk; i++) - if (input_rec.Event.KeyEvent.wVirtualKeyCode == keytable[i].vk) - return keytable[i].val[modifier_index]; - - return NULL; -} - -void -fhandler_console::init (HANDLE f, DWORD a, mode_t bin) -{ - this->fhandler_termios::init (f, bin, a); - - /* Ensure both input and output console handles are open */ - int mode = 0; - - a &= GENERIC_READ | GENERIC_WRITE; - if (a == GENERIC_READ) - mode = O_RDONLY; - if (a == GENERIC_WRITE) - mode = O_WRONLY; - if (a == (GENERIC_READ | GENERIC_WRITE)) - mode = O_RDWR; - open (0, mode); - if (f != INVALID_HANDLE_VALUE) - CloseHandle (f); /* Reopened by open */ - - output_tcsetattr (0, &tc->ti); -} - -int -fhandler_console::igncr_enabled (void) -{ - return tc->ti.c_iflag & IGNCR; -} - -void -fhandler_console::set_close_on_exec (int val) -{ - this->fhandler_base::set_close_on_exec (val); - set_inheritance (output_handle, val); -} - -void -fhandler_console::fixup_after_fork (HANDLE parent) -{ - HANDLE h = get_handle (); - HANDLE oh = get_output_handle (); - - /* Windows does not allow duplication of console handles between processes - so open the console explicitly. */ - - if (!open(get_name (), get_flags (), 0)) - system_printf ("error opening console after fork, %E"); - - if (!get_close_on_exec ()) - { - CloseHandle (h); - CloseHandle (oh); - } -} - -void __stdcall -set_console_title (char *title) -{ - int rc; - char buf[257]; - strncpy(buf, title, sizeof(buf) - 1); - buf[sizeof(buf) - 1] = '\0'; - if ((rc = WaitForSingleObject (title_mutex, 15000)) != WAIT_OBJECT_0) - sigproc_printf ("wait for title mutex failed rc %d, %E", rc); - SetConsoleTitle (buf); - ReleaseMutex (title_mutex); - debug_printf ("title '%s'", buf); -} - -int -fhandler_console::de_linearize (const char *buf, const char *unix_name, - const char *win32_name) -{ - int res = fhandler_base::de_linearize (buf, unix_name, win32_name); - HANDLE h = get_handle (); - HANDLE oh = get_output_handle (); - - if (!open(get_name (), get_flags (), 0)) - { - int sawerr = 0; - if (!get_io_handle ()) - { - system_printf ("error opening input console handle after exec, errno %d, %E", get_errno ()); - sawerr = 1; - } - if (!get_output_handle ()) - { - system_printf ("error opening input console handle after exec, errno %d, %E", get_errno ()); - sawerr = 1; - } - - if (!sawerr) - system_printf ("error opening console after exec, errno %d, %E", get_errno ()); - } - - CloseHandle (h); - CloseHandle (oh); - return res; -} |