/* Copyright (C) 1986, 1988, 1990, 1991 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 2, 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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* * For Emacs in SunView/Sun-Windows: (supported by Sun Unix v3.2 or greater) * 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. * * Original Idea: Ian Batten * Updated 15-Mar-88, Jeff Peck: set IN_EMACSTOOL, TERM, TERMCAP * Updated 10-Sep-88, Jeff Peck: add XVIEW and JLE support * Updated 8-Oct-90, Jeff Peck: add Meta-bit for Xview * Updated 6-Mar-91, Jeff Peck: Hack to detect -Wt invocation * [note, TTYSW limitation means you must Click-To-Type in Openwin] * [fixed in OW3 or use local/tty.o] * for better results, this should move to using TERMSW. * Updated 10-Mar-91, Jeff Peck, et al: support for TERMSW (TTERM) * allows point-to-type even in OW2 * * [note: xvetool should be started with the "-nw" flag for emacs!] */ #ifdef XVIEW #include #include #include #include #include /* private defines */ #include /* -DTTERM */ #include /* for testing */ #else #include #include #include #endif XVIEW #ifdef JLE # include #endif JLE #include #include #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 indicator 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 */ #ifdef JLE static char *emacs_name = "nemacs"; /* default run command */ static char *title = "NEmacstool - "; /* initial title */ #else static char *emacs_name = "emacs"; /* default run command */ static char *title = "Emacstool - "; /* initial title */ #endif JLE static char buffer[BUFFER_SIZE]; /* send to ttysw_input */ static char *bold_name = 0; /* for -bold option */ Frame frame; /* Base frame for system */ #ifndef TTERM #define SWTYPE TTY Tty tty_win; /* Where emacs is reading */ #else #define SWTYPE TERMSW Termsw tty_win; /* Termsw does follow-mouse */ #endif TTERM #ifdef XVIEW Xv_Window tty_view; /* Where the events are in Xview*/ #else Tty tty_view; /* SunView place filler */ #endif XVIEW int font_width, font_height; /* For translating pixels to chars */ int left_margin = 0; /* default window -- frame offset */ 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 }; 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 ignoring 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) #ifdef XVIEW Xv_Window window; #else Window window; #endif XVIEW 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(tty_win, "\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 (tty_win, mouse_prefix, m_prefix_length); sprintf (buffer, "(%d %d %d %d)\015", button_value (event), (event_x (event) - left_margin) / 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 (tty_win, 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 (tty_win, key_prefix, k_prefix_length); sprintf (buffer, "%c%c", d, c); ttysw_input(tty_win, 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 #ifndef NO_META_BIT /* under Openwindows/X, the meta bit is not set in the key event, * emacs expects this so we add it in here: */ if (event_is_ascii(event) && event_meta_is_down(event)) event_set_id(event, 128 | event_id(event)); #endif return notify_next_event_func (window, event, arg, type); } main (argc, argv) int argc; char **argv; { int error_code; /* Error codes */ #ifdef JLE setlocale(LC_ALL, ""); #endif JLE if(getenv("DEBUGEMACSTOOL")) console = fdopen (console_fd = open("/dev/console",O_WRONLY), "w"); putenv("IN_EMACSTOOL=t"); /* notify subprocess that it is in emacstool */ if (putenv("TERM=sun") != 0) /* TTY_WIN 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; /* Emacstool recognizes two special args: -rc and -bold */ 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 argv[0] and squeeze the rest */ argv[0]=argv[i+1]; for (; argv[i+2]; (argv[i]=argv[i+2],argv[++i]=0)); } } if (!(strcmp ("-bold", argv[argc]))) {int i = argc; argv[argc--]=0; /* kill the -bold argument */ if (argv[i+1]) { /* move to bold_name and squeeze the rest */ bold_name = 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); error_code = interpose_on_window(argc,argv); if (error_code != 0) { /* Barf */ fprintf (stderr, "notify_interpose_event_func returns %d.\n", error_code); exit (1); } #ifdef XVIEW xv_main_loop (frame); /* And away we go */ #else window_main_loop (frame); #endif XVIEW } #ifdef XVIEW int interpose_on_window(argc,argv) int argc; char **argv; { #ifndef TTERM int i, font_width_adjust = 1; /* hackery, and heuristics */ /* if -Wt is not supplied, then font comes out as lucida-14 (width=8) * rather than the screen.r.12 (width=7) typically used * this hack attempts to workaround it. * could use a env var EMACSTOOL_DEFAULT_FONT_WIDTH instead */ for (i = 1; argv[i]; i++) { if (!(strcmp ("-Wt", argv[i]))) {font_width_adjust = 0; if (console_fd) fprintf(console, "-Wt = %d\n", font_width_adjust); break;} } #endif TTERM /* initialize Xview, and strip window args */ xv_init(XV_INIT_ARGC_PTR_ARGV, &argc, argv, 0); /* do this first, so arglist can override it */ frame_icon = icon_create (ICON_LABEL, "Emacstool", ICON_IMAGE, &icon_image, 0); /* Build a frame to run in */ frame = xv_create ((Xv_Window)NULL, FRAME, FRAME_LABEL, buffer, FRAME_ICON, frame_icon, 0); /* Create a tty with emacs in it */ tty_win = xv_create (frame, SWTYPE, WIN_IS_CLIENT_PANE, TTY_QUIT_ON_CHILD_DEATH, TRUE, TTY_BOLDSTYLE, TTYSW_BOLD_INVERT, TTY_ARGV, argv, 0); if (bold_name) { (void)xv_set(tty_win, TTY_BOLDSTYLE_NAME, bold_name, 0); } { Xv_font font; /* declare temp font variable */ font = (Xv_font)xv_get (tty_win, XV_FONT); font_height = (int)xv_get (font, FONT_DEFAULT_CHAR_HEIGHT); font_width = (int)xv_get (font, FONT_DEFAULT_CHAR_WIDTH); } if (console_fd) fprintf(console, "Width = %d\n", font_width); #ifndef TTERM font_width -= font_width_adjust; /* A guess! font bug in ttysw*/ #else /* make the termsw act as a tty */ xv_set(tty_win, TERMSW_MODE, TTYSW_MODE_TYPE, 0); /* termsw has variable offset depending on scrollbar size/location */ left_margin = (int)xv_get (tty_win, TEXTSW_LEFT_MARGIN); #endif TTERM tty_view = (Xv_Window) xv_get (tty_win, OPENWIN_NTH_VIEW, 0); xv_set(tty_view, WIN_CONSUME_EVENTS, WIN_MOUSE_BUTTONS, WIN_UP_EVENTS, ACTION_ADJUST, ACTION_MENU, WIN_ASCII_EVENTS, WIN_LEFT_KEYS, WIN_TOP_KEYS, WIN_RIGHT_KEYS, 0, 0); /* Interpose my event function */ return (int) notify_interpose_event_func (tty_view, input_event_filter_function, NOTIFY_SAFE); } #else int interpose_on_window (argc, argv) int argc; char **argv; { /* do this first, so arglist can override it */ frame_icon = icon_create (ICON_LABEL, "Emacstool", ICON_IMAGE, &icon_image, 0); /* 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 */ tty_win = window_create (frame, TTY, TTY_QUIT_ON_CHILD_DEATH, TRUE, TTY_BOLDSTYLE, TTYSW_BOLD_INVERT, TTY_ARGV, argv, 0); if (bold_name) { (void)window_set(tty_win, TTY_BOLDSTYLE_NAME, bold_name, 0); } /* ttysw uses pf_default, one must set WIN_FONT explicitly */ window_set (tty_win, WIN_FONT, pf_default(), 0); font_height = (int)window_get (tty_win, WIN_ROW_HEIGHT); font_width = (int)window_get (tty_win, WIN_COLUMN_WIDTH); tty_view = tty_win; window_set(tty_view, 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); /* Interpose my event function */ return (int) notify_interpose_event_func (tty_view, input_event_filter_function, NOTIFY_SAFE); } #endif XVIEW