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Diffstat (limited to 'lib-src/emacstool.c')
| -rw-r--r-- | lib-src/emacstool.c | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/lib-src/emacstool.c b/lib-src/emacstool.c deleted file mode 100644 index 5e310e0faa4..00000000000 --- a/lib-src/emacstool.c +++ /dev/null @@ -1,340 +0,0 @@ -/* - * - * Copyright (C) 1986 Free Software Foundation, Inc. - * - * This file is part of GNU Emacs. - -GNU Emacs 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 (at your option) -any later version. - -GNU Emacs 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. - -You should have received a copy of the GNU General Public License -along with GNU Emacs; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ - * - * - * For Emacs in SunView/Sun-Windows: (supported by Sun Unix v3.2) - * Insert a notifier filter-function to convert all useful input - * to "key" sequences that emacs can understand. See: Emacstool(1). - * - * Author: Jeff Peck, Sun Microsystems, Inc. <peck@sun.com> - * - * Original Idea: Ian Batten - * Updated 15-Mar-88, Jeff Peck: set IN_EMACSTOOL, TERM, TERMCAP - * - */ - -#include <suntool/sunview.h> -#include <suntool/tty.h> -#include <stdio.h> -#include <sys/file.h> - -#define BUFFER_SIZE 128 /* Size of all the buffers */ - -/* define WANT_CAPS_LOCK to make f-key T1 (aka F1) behave as CapsLock */ -#define WANT_CAPS_LOCK -#ifdef WANT_CAPS_LOCK -int caps_lock; /* toggle indicater for f-key T1 caps lock */ -static char *Caps = "[CAPS] "; /* Caps Lock prefix string */ -#define CAPS_LEN 7 /* strlen (Caps) */ -#endif - -static char *mouse_prefix = "\030\000"; /* C-x C-@ */ -static int m_prefix_length = 2; /* mouse_prefix length */ - -static char *key_prefix = "\030*"; /* C-x * */ -static int k_prefix_length = 2; /* key_prefix length */ - -static char *emacs_name = "emacs"; /* default run command */ -static char buffer[BUFFER_SIZE]; /* send to ttysw_input */ -static char *title = "Emacstool - "; /* initial title */ - -Frame frame; /* Base frame for system */ -Tty ttysw; /* Where emacs is */ -int font_width, font_height; /* For translating pixels to chars */ - -int console_fd = 0; /* for debugging: setenv DEBUGEMACSTOOL */ -FILE *console; /* for debugging: setenv DEBUGEMACSTOOL */ - -Icon frame_icon; -/* make an icon_image for the default frame_icon */ -static short default_image[258] = -{ -#include <images/terminal.icon> -}; -mpr_static(icon_image, 64, 64, 1, default_image); - - -/* - * Assign a value to a set of keys - */ -int -button_value (event) - Event *event; -{ - int retval = 0; - /* - * Code up the current situation: - * - * 1 = MS_LEFT; - * 2 = MS_MIDDLE; - * 4 = MS_RIGHT; - * 8 = SHIFT; - * 16 = CONTROL; - * 32 = META; - * 64 = DOUBLE; - * 128 = UP; - */ - - if (MS_LEFT == (event_id (event))) retval = 1; - if (MS_MIDDLE == (event_id (event))) retval = 2; - if (MS_RIGHT == (event_id (event))) retval = 4; - - if (event_shift_is_down (event)) retval += 8; - if (event_ctrl_is_down (event)) retval += 16; - if (event_meta_is_down (event)) retval += 32; - if (event_is_up (event)) retval += 128; - return retval; -} - -/* - * Variables to store the time of the previous mouse event that was - * sent to emacs. - * - * The theory is that to time double clicks while ignoreing UP buttons, - * we must keep track of the accumulated time. - * - * If someone writes a SUN-SET-INPUT-MASK for emacstool, - * That could be used to selectively disable UP events, - * and then this cruft wouldn't be necessary. - */ -static long prev_event_sec = 0; -static long prev_event_usec = 0; - -/* - * Give the time difference in milliseconds, where one second - * is considered infinite. - */ -int -time_delta (now_sec, now_usec, prev_sec, prev_usec) - long now_sec, now_usec, prev_sec, prev_usec; -{ - long sec_delta = now_sec - prev_sec; - long usec_delta = now_usec - prev_usec; - - if (usec_delta < 0) { /* "borrow" a second */ - usec_delta += 1000000; - --sec_delta; - } - - if (sec_delta >= 10) - return (9999); /* Infinity */ - else - return ((sec_delta * 1000) + (usec_delta / 1000)); -} - - -/* - * Filter function to translate selected input events for emacs - * Mouse button events become ^X^@(button x-col y-line time-delta) . - * Function keys: ESC-*{c}{lrt} l,r,t for Left, Right, Top; - * {c} encodes the keynumber as a character [a-o] - */ -static Notify_value -input_event_filter_function (window, event, arg, type) - Window window; - Event *event; - Notify_arg arg; - Notify_event_type type; -{ - struct timeval time_stamp; - - if (console_fd) fprintf(console, "Event: %d\n", event_id(event)); - - /* UP L1 is the STOP key */ - if (event_id(event) == WIN_STOP) { - ttysw_input(ttysw, "\007\007\007\007\007\007\007", 7); - return NOTIFY_IGNORED; - } - - /* UP L5 & L7 is Expose & Open, let them pass to sunview */ - if (event_id(event) == KEY_LEFT(5) || event_id(event) == KEY_LEFT(7)) - if(event_is_up (event)) - return notify_next_event_func (window, event, arg, type); - else return NOTIFY_IGNORED; - - if (event_is_button (event)) { /* do Mouse Button events */ -/* Commented out so that we send mouse up events too. - if (event_is_up (event)) - return notify_next_event_func (window, event, arg, type); -*/ - time_stamp = event_time (event); - ttysw_input (ttysw, mouse_prefix, m_prefix_length); - sprintf (buffer, "(%d %d %d %d)\015", - button_value (event), - event_x (event) / font_width, - event_y (event) / font_height, - time_delta (time_stamp.tv_sec, time_stamp.tv_usec, - prev_event_sec, prev_event_usec) - ); - ttysw_input (ttysw, buffer, strlen(buffer)); - prev_event_sec = time_stamp.tv_sec; - prev_event_usec = time_stamp.tv_usec; - return NOTIFY_IGNORED; - } - - { /* Do the function key events */ - int d; - char c = (char) 0; - if ((event_is_key_left (event)) ? - ((d = event_id(event) - KEY_LEFT(1) + 'a'), c='l') : - ((event_is_key_right (event)) ? - ((d = event_id(event) - KEY_RIGHT(1) + 'a'), c='r') : - ((event_is_key_top (event)) ? - ((d = event_id(event) - KEY_TOP(1) + 'a'), c='t') : 0))) - { - if (event_is_up(event)) return NOTIFY_IGNORED; - if (event_shift_is_down (event)) c = c - 32; - /* this will give a non-{lrt} for unshifted keys */ - if (event_ctrl_is_down (event)) c = c - 64; - if (event_meta_is_down (event)) c = c + 128; -#ifdef WANT_CAPS_LOCK -/* set a toggle and relabel window so T1 can act like caps-lock */ - if (event_id(event) == KEY_TOP(1)) - { - /* make a frame label with and without CAPS */ - strcpy (buffer, Caps); - title = &buffer[CAPS_LEN]; - strncpy (title, (char *)window_get (frame, FRAME_LABEL), - BUFFER_SIZE - CAPS_LEN); - buffer[BUFFER_SIZE] = (char) 0; - if (strncmp (title, Caps, CAPS_LEN) == 0) - title += CAPS_LEN; /* already Caps */ - caps_lock = (caps_lock ? 0 : CAPS_LEN); - window_set(frame, FRAME_LABEL, (title -= caps_lock), 0); - return NOTIFY_IGNORED; - } -#endif - ttysw_input (ttysw, key_prefix, k_prefix_length); - sprintf (buffer, "%c%c", d, c); - ttysw_input(ttysw, buffer, strlen(buffer)); - - return NOTIFY_IGNORED; - } - } - if ((event_is_ascii(event) || event_is_meta(event)) - && event_is_up(event)) return NOTIFY_IGNORED; -#ifdef WANT_CAPS_LOCK -/* shift alpha chars to upper case if toggle is set */ - if ((caps_lock) && event_is_ascii(event) - && (event_id(event) >= 'a') && (event_id(event) <= 'z')) - event_set_id(event, (event_id(event) - 32)); -/* crufty, but it works for now. is there an UPCASE(event)? */ -#endif - return notify_next_event_func (window, event, arg, type); -} - -main (argc, argv) - int argc; - char **argv; -{ - int error_code; /* Error codes */ - - if(getenv("DEBUGEMACSTOOL")) - console = fdopen (console_fd = open("/dev/console",O_WRONLY), "w"); - - /* do this first, so arglist can override it */ - frame_icon = icon_create (ICON_LABEL, "Emacstool", - ICON_IMAGE, &icon_image, - 0); - - putenv("IN_EMACSTOOL=t"); /* notify subprocess that it is in emacstool */ - - if (putenv("TERM=sun") != 0) /* TTYSW will be a TERM=sun window */ - {fprintf (stderr, "%s: Could not set TERM=sun, using `%s'\n", - argv[0], (char *)getenv("TERM")) ;}; - /* - * If TERMCAP starts with a slash, it is the pathname of the - * termcap file, not an entry extracted from it, so KEEP it! - * Otherwise, it may not relate to the new TERM, so Nuke-It. - * If there is no TERMCAP environment variable, don't make one. - */ - { - char *termcap ; /* Current TERMCAP value */ - termcap = (char *)getenv("TERMCAP") ; - if (termcap && (*termcap != '/')) - { - if (putenv("TERMCAP=") != 0) - {fprintf (stderr, "%s: Could not clear TERMCAP\n", argv[0]) ;} ; - } ; - } ; - - /* find command to run as subprocess in window */ - if (!(argv[0] = (char *)getenv("EMACSTOOL"))) /* Set emacs command name */ - argv[0] = emacs_name; - for (argc = 1; argv[argc]; argc++) /* Use last one on line */ - if(!(strcmp ("-rc", argv[argc]))) /* Override if -rc given */ - { - int i = argc; - argv[argc--]=0; /* kill the -rc argument */ - if (argv[i+1]) { /* move to agrv[0] and squeeze the rest */ - argv[0]=argv[i+1]; - for (; argv[i+2]; (argv[i]=argv[i+2],argv[++i]=0)); - } - } - - strcpy (buffer, title); - strncat (buffer, argv[0], /* append run command name */ - (BUFFER_SIZE - (strlen (buffer)) - (strlen (argv[0]))) - 1); - - /* Build a frame to run in */ - frame = window_create ((Window)NULL, FRAME, - FRAME_LABEL, buffer, - FRAME_ICON, frame_icon, - FRAME_ARGC_PTR_ARGV, &argc, argv, - 0); - - /* Create a tty with emacs in it */ - ttysw = window_create (frame, TTY, - TTY_QUIT_ON_CHILD_DEATH, TRUE, - TTY_BOLDSTYLE, 8, - TTY_ARGV, argv, - 0); - - window_set(ttysw, - WIN_CONSUME_PICK_EVENTS, - WIN_STOP, - WIN_MOUSE_BUTTONS, WIN_UP_EVENTS, - /* LOC_WINENTER, LOC_WINEXIT, LOC_MOVE, */ - 0, - - WIN_CONSUME_KBD_EVENTS, - WIN_STOP, - WIN_ASCII_EVENTS, - WIN_LEFT_KEYS, WIN_TOP_KEYS, WIN_RIGHT_KEYS, - /* WIN_UP_ASCII_EVENTS, */ - 0, - - 0); - - font_height = (int)window_get (ttysw, WIN_ROW_HEIGHT); - font_width = (int)window_get (ttysw, WIN_COLUMN_WIDTH); - - /* Interpose my event function */ - error_code = (int) notify_interpose_event_func - (ttysw, input_event_filter_function, NOTIFY_SAFE); - - if (error_code != 0) /* Barf */ - { - fprintf (stderr, "notify_interpose_event_func got %d.\n", error_code); - exit (1); - } - - window_main_loop (frame); /* And away we go */ -} |