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1.1 ! root 1: /* Copyright (C) 1986, 1988, 1990, 1991 Free Software Foundation, Inc. ! 2: ! 3: This file is part of GNU Emacs. ! 4: ! 5: GNU Emacs is free software; you can redistribute it and/or modify ! 6: it under the terms of the GNU General Public License as published by ! 7: the Free Software Foundation; either version 1, or (at your option) ! 8: any later version. ! 9: ! 10: GNU Emacs is distributed in the hope that it will be useful, ! 11: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 13: GNU General Public License for more details. ! 14: ! 15: You should have received a copy of the GNU General Public License ! 16: along with GNU Emacs; see the file COPYING. If not, write to ! 17: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ ! 18: ! 19: /* For Emacs in SunView/Sun-Windows: (supported by Sun Unix v3.2 or greater) ! 20: * Insert a notifier filter-function to convert all useful input ! 21: * to "key" sequences that emacs can understand. See: Emacstool(1). ! 22: * ! 23: * Author: Jeff Peck, Sun Microsystems, Inc. <[email protected]> ! 24: * ! 25: * Original Idea: Ian Batten ! 26: * Updated 15-Mar-88, Jeff Peck: set IN_EMACSTOOL, TERM, TERMCAP ! 27: * Updated 10-Sep-88, Jeff Peck: add XVIEW and JLE support ! 28: * Updated 8-Oct-90, Jeff Peck: add Meta-bit for Xview ! 29: * Updated 6-Mar-91, Jeff Peck: Hack to detect -Wt invocation ! 30: * [note, TTYSW limitation means you must Click-To-Type in Openwin] ! 31: * [fixed in OW3 or use local/tty.o] ! 32: * for better results, this should move to using TERMSW. ! 33: * Updated 30-Mar-91, Jeff Peck, et al: Enable using TERMSW (-DTTERM) ! 34: * TERMSW understands point-to-type, even in OW2. ! 35: * Updated 5-Jun-91, Jeff Peck: Meta-key support fixed for OWv3 ! 36: * Better event diagnostics for DEBUGEMACSTOOL ! 37: * ! 38: * [note: xvetool should be started with the "-nw" flag for emacs!] ! 39: */ ! 40: ! 41: #ifdef XVIEW ! 42: #include <xview/xview.h> ! 43: #include <xview/panel.h> ! 44: #include <xview/attr.h> ! 45: #include <xview/tty.h> ! 46: #include <xview/ttysw.h> /* private defines */ ! 47: #include <xview/termsw.h> /* -DTTERM */ ! 48: #include <xview/font.h> /* for testing */ ! 49: #else ! 50: #include <suntool/sunview.h> ! 51: #include <suntool/tty.h> ! 52: #include <suntool/ttysw.h> ! 53: #endif /* XVIEW */ ! 54: ! 55: #ifdef JLE ! 56: # include <locale.h> ! 57: #endif /* JLE */ ! 58: ! 59: #include <stdio.h> ! 60: #include <sys/file.h> ! 61: ! 62: #define BUFFER_SIZE 128 /* Size of all the buffers */ ! 63: ! 64: /* define WANT_CAPS_LOCK to make f-key T1 (aka F1) behave as CapsLock */ ! 65: #define WANT_CAPS_LOCK ! 66: #ifdef WANT_CAPS_LOCK ! 67: int caps_lock; /* toggle indicater for f-key T1 caps lock */ ! 68: static char *Caps = "[CAPS] "; /* Caps Lock prefix string */ ! 69: #define CAPS_LEN 7 /* strlen (Caps) */ ! 70: #endif ! 71: ! 72: static char *mouse_prefix = "\030\000"; /* C-x C-@ */ ! 73: static int m_prefix_length = 2; /* mouse_prefix length */ ! 74: ! 75: static char *key_prefix = "\030*"; /* C-x * */ ! 76: static int k_prefix_length = 2; /* key_prefix length */ ! 77: ! 78: #ifdef JLE ! 79: static char *emacs_name = "nemacs"; /* default run command */ ! 80: static char *title = "NEmacstool - "; /* initial title */ ! 81: #else ! 82: static char *emacs_name = "emacs"; /* default run command */ ! 83: static char *title = "Emacstool - "; /* initial title */ ! 84: #endif /* JLE */ ! 85: ! 86: static char buffer[BUFFER_SIZE]; /* send to ttysw_input */ ! 87: static char *bold_name = 0; /* for -bold option */ ! 88: ! 89: Frame frame; /* Base frame for system */ ! 90: ! 91: #ifndef TTERM ! 92: #define SWTYPE TTY ! 93: Tty tty_win; /* Where emacs is reading */ ! 94: #else ! 95: #define SWTYPE TERMSW ! 96: Termsw tty_win; /* Termsw does follow-mouse */ ! 97: #endif /* TTERM */ ! 98: ! 99: #ifdef XVIEW ! 100: Xv_Window tty_view; /* Where the events are in Xview*/ ! 101: #else ! 102: Tty tty_view; /* SunView place filler */ ! 103: #endif /* XVIEW */ ! 104: ! 105: int font_width, font_height; /* For translating pixels to chars */ ! 106: int left_margin = 0; /* default window -- frame offset */ ! 107: ! 108: int console_fd = 0; /* for debugging: setenv DEBUGEMACSTOOL */ ! 109: FILE *console; /* for debugging: setenv DEBUGEMACSTOOL */ ! 110: ! 111: Icon frame_icon; ! 112: /* make an icon_image for the default frame_icon */ ! 113: static short default_image[258] = ! 114: { ! 115: #include <images/terminal.icon> ! 116: }; ! 117: mpr_static(icon_image, 64, 64, 1, default_image); ! 118: ! 119: /* ! 120: * Assign a value to a set of keys ! 121: */ ! 122: int ! 123: button_value (event) ! 124: Event *event; ! 125: { ! 126: int retval = 0; ! 127: /* ! 128: * Code up the current situation: ! 129: * ! 130: * 1 = MS_LEFT; ! 131: * 2 = MS_MIDDLE; ! 132: * 4 = MS_RIGHT; ! 133: * 8 = SHIFT; ! 134: * 16 = CONTROL; ! 135: * 32 = META; ! 136: * 64 = DOUBLE; ! 137: * 128 = UP; ! 138: */ ! 139: ! 140: if (MS_LEFT == (event_id (event))) retval = 1; ! 141: if (MS_MIDDLE == (event_id (event))) retval = 2; ! 142: if (MS_RIGHT == (event_id (event))) retval = 4; ! 143: ! 144: if (event_shift_is_down (event)) retval += 8; ! 145: if (event_ctrl_is_down (event)) retval += 16; ! 146: if (event_meta_is_down (event)) retval += 32; ! 147: if (event_is_up (event)) retval += 128; ! 148: return retval; ! 149: } ! 150: ! 151: /* ! 152: * Variables to store the time of the previous mouse event that was ! 153: * sent to emacs. ! 154: * ! 155: * The theory is that to time double clicks while ignoreing UP buttons, ! 156: * we must keep track of the accumulated time. ! 157: * ! 158: * If someone writes a SUN-SET-INPUT-MASK for emacstool, ! 159: * That could be used to selectively disable UP events, ! 160: * and then this cruft wouldn't be necessary. ! 161: */ ! 162: static long prev_event_sec = 0; ! 163: static long prev_event_usec = 0; ! 164: ! 165: /* ! 166: * Give the time difference in milliseconds, where one second ! 167: * is considered infinite. ! 168: */ ! 169: int ! 170: time_delta (now_sec, now_usec, prev_sec, prev_usec) ! 171: long now_sec, now_usec, prev_sec, prev_usec; ! 172: { ! 173: long sec_delta = now_sec - prev_sec; ! 174: long usec_delta = now_usec - prev_usec; ! 175: ! 176: if (usec_delta < 0) { /* "borrow" a second */ ! 177: usec_delta += 1000000; ! 178: --sec_delta; ! 179: } ! 180: ! 181: if (sec_delta >= 10) ! 182: return (9999); /* Infinity */ ! 183: else ! 184: return ((sec_delta * 1000) + (usec_delta / 1000)); ! 185: } ! 186: ! 187: ! 188: /* ! 189: * Filter function to translate selected input events for emacs ! 190: * Mouse button events become ^X^@(button x-col y-line time-delta) . ! 191: * Function keys: ESC-*{c}{lrt} l,r,t for Left, Right, Top; ! 192: * {c} encodes the keynumber as a character [a-o] ! 193: */ ! 194: static Notify_value ! 195: input_event_filter_function (window, event, arg, type) ! 196: #ifdef XVIEW ! 197: Xv_Window window; ! 198: #else /* not XVIEW */ ! 199: Window window; ! 200: #endif /* XVIEW */ ! 201: Event *event; ! 202: Notify_arg arg; ! 203: Notify_event_type type; ! 204: { ! 205: struct timeval time_stamp; ! 206: ! 207: /* if DEBUGEMACSTOOL is set, printout event information */ ! 208: if (console_fd) { ! 209: fprintf(console, "Event: %s%s%c %d %d\n", ! 210: (event_ctrl_is_down(event) ? "C-" : " "), ! 211: (event_meta_is_down(event) ? "M-" : " "), ! 212: (((event_is_button (event)) ? 'M' : ! 213: ((event_is_key_left (event)) ? 'L' : ! 214: ((event_is_key_right (event)) ? 'R' : ! 215: ((event_is_key_top (event)) ? 'T' : ! 216: (((ASCII_FIRST <= event_id(event)) ! 217: && (event_id(event) <= ASCII_LAST)) ? ! 218: (((127 & event_id(event)) < 32) ? ! 219: ((127 & event_id(event)) + 64) : ! 220: ((127 & event_id(event)))) : '?')))))), ! 221: event_id(event), ! 222: event_action(event)); ! 223: } ! 224: /* UP L1 is the STOP key */ ! 225: if (event_id(event) == WIN_STOP) { ! 226: ttysw_input(tty_win, "\007\007\007\007\007\007\007", 7); ! 227: return NOTIFY_IGNORED; ! 228: } ! 229: ! 230: /* UP L5 & L7 is Expose & Open, let them pass to sunview */ ! 231: if (event_id(event) == KEY_LEFT(5) || event_id(event) == KEY_LEFT(7)) ! 232: if (event_is_up (event)) ! 233: return notify_next_event_func (window, event, arg, type); ! 234: else ! 235: return NOTIFY_IGNORED; ! 236: ! 237: ! 238: { /* Do the mouse == button events */ ! 239: if (event_is_button (event)) { /* do Mouse Button events */ ! 240: time_stamp = event_time (event); ! 241: ttysw_input (tty_win, mouse_prefix, m_prefix_length); ! 242: sprintf (buffer, "(%d %d %d %d)\015", ! 243: button_value (event), ! 244: (event_x (event) - left_margin) / font_width, ! 245: event_y (event) / font_height, ! 246: time_delta (time_stamp.tv_sec, time_stamp.tv_usec, ! 247: prev_event_sec, prev_event_usec) ! 248: ); ! 249: ttysw_input (tty_win, buffer, strlen(buffer)); ! 250: prev_event_sec = time_stamp.tv_sec; ! 251: prev_event_usec = time_stamp.tv_usec; ! 252: return NOTIFY_IGNORED; ! 253: } ! 254: } ! 255: { /* Do the function key events */ ! 256: int d; ! 257: char c = (char) 0; ! 258: if ((event_is_key_left (event)) ? ! 259: ((d = event_id(event) - KEY_LEFT(1) + 'a'), c='l') : ! 260: ((event_is_key_right (event)) ? ! 261: ((d = event_id(event) - KEY_RIGHT(1) + 'a'), c='r') : ! 262: ((event_is_key_top (event)) ? ! 263: ((d = event_id(event) - KEY_TOP(1) + 'a'), c='t') : 0))) { ! 264: if (event_is_up(event)) return NOTIFY_IGNORED; ! 265: if (event_shift_is_down (event)) c = c - 32; ! 266: /* this will give a non-{lrt} for unshifted keys */ ! 267: if (event_ctrl_is_down (event)) c = c - 64; ! 268: if (event_meta_is_down (event)) c = c + 128; ! 269: #ifdef WANT_CAPS_LOCK ! 270: /* set a toggle and relabel window so T1 can act like caps-lock */ ! 271: if (event_id(event) == KEY_TOP(1)) { ! 272: /* make a frame label with and without CAPS */ ! 273: strcpy (buffer, Caps); ! 274: title = &buffer[CAPS_LEN]; ! 275: strncpy (title, (char *)window_get (frame, FRAME_LABEL), ! 276: BUFFER_SIZE - CAPS_LEN); ! 277: buffer[BUFFER_SIZE] = (char) 0; ! 278: if (strncmp (title, Caps, CAPS_LEN) == 0) ! 279: title += CAPS_LEN; /* already Caps */ ! 280: caps_lock = (caps_lock ? 0 : CAPS_LEN); ! 281: window_set(frame, FRAME_LABEL, (title -= caps_lock), 0); ! 282: return NOTIFY_IGNORED; ! 283: } ! 284: #endif /* WANT_CAPS_LOCK */ ! 285: ttysw_input (tty_win, key_prefix, k_prefix_length); ! 286: sprintf (buffer, "%c%c", d, c); ! 287: ttysw_input(tty_win, buffer, strlen(buffer)); ! 288: ! 289: return NOTIFY_IGNORED; ! 290: } ! 291: } ! 292: ! 293: /* handle ascii keyboard events ! 294: * extract "event_is_ascii(event)" from the event_id, not the event_action ! 295: */ ! 296: if ((ASCII_FIRST <= event_id(event)) && (event_id(event) <= ASCII_LAST)) { ! 297: /* ignore key-up events (button events have already been handled) */ ! 298: if (event_is_up(event)) return NOTIFY_IGNORED; ! 299: #ifdef WANT_CAPS_LOCK ! 300: /* shift alpha chars to upper case if toggle is set */ ! 301: if ((caps_lock) && (event_id(event) >= 'a') && (event_id(event) <= 'z')) ! 302: event_set_id(event, (event_id(event) - 32)); ! 303: #endif /* WANT_CAPS_LOCK */ ! 304: ! 305: #ifndef NO_META_BIT ! 306: /* under Openwindows/X, the meta bit is not set in the key event, ! 307: * emacs expects this so we add it in here: ! 308: */ ! 309: if (event_meta_is_down(event)) ! 310: event_set_id(event, 128 | event_id(event)); ! 311: #endif /* NO_META_BIT */ ! 312: } ! 313: return notify_next_event_func (window, event, arg, type); ! 314: } ! 315: ! 316: main (argc, argv) ! 317: int argc; ! 318: char **argv; ! 319: { ! 320: int error_code; /* Error codes */ ! 321: ! 322: #ifdef JLE ! 323: setlocale(LC_ALL, ""); ! 324: #endif /* JLE */ ! 325: ! 326: if(getenv("DEBUGEMACSTOOL")) ! 327: console = fdopen (console_fd = open("/dev/console",O_WRONLY), "w"); ! 328: ! 329: putenv("IN_EMACSTOOL=t"); /* notify subprocess that it is in emacstool */ ! 330: ! 331: if (putenv("TERM=sun") != 0) /* TTY_WIN will be a TERM=sun window */ ! 332: {fprintf (stderr, "%s: Could not set TERM=sun, using `%s'\n", ! 333: argv[0], (char *)getenv("TERM")) ;}; ! 334: /* ! 335: * If TERMCAP starts with a slash, it is the pathname of the ! 336: * termcap file, not an entry extracted from it, so KEEP it! ! 337: * Otherwise, it may not relate to the new TERM, so Nuke-It. ! 338: * If there is no TERMCAP environment variable, don't make one. ! 339: */ ! 340: { ! 341: char *termcap ; /* Current TERMCAP value */ ! 342: termcap = (char *)getenv("TERMCAP") ; ! 343: if (termcap && (*termcap != '/')) ! 344: { ! 345: if (putenv("TERMCAP=") != 0) ! 346: {fprintf (stderr, "%s: Could not clear TERMCAP\n", argv[0]) ;} ; ! 347: } ; ! 348: } ; ! 349: ! 350: /* find command to run as subprocess in window */ ! 351: if (!(argv[0] = (char *)getenv("EMACSTOOL"))) /* Set emacs command name */ ! 352: argv[0] = emacs_name; ! 353: /* Emacstool recognizes two special args: -rc <file> and -bold <bold-name> */ ! 354: for (argc = 1; argv[argc]; argc++) /* Use last one on line */ ! 355: { ! 356: if(!(strcmp ("-rc", argv[argc]))) /* Override if -rc given */ ! 357: {int i = argc; ! 358: argv[argc--]=0; /* kill the -rc argument */ ! 359: if (argv[i+1]) { /* move to argv[0] and squeeze the rest */ ! 360: argv[0]=argv[i+1]; ! 361: for (; argv[i+2]; (argv[i]=argv[i+2],argv[++i]=0)); ! 362: } ! 363: } ! 364: ! 365: if (!(strcmp ("-bold", argv[argc]))) ! 366: {int i = argc; ! 367: argv[argc--]=0; /* kill the -bold argument */ ! 368: if (argv[i+1]) { /* move to bold_name and squeeze the rest */ ! 369: bold_name = argv[i+1]; ! 370: for (; argv[i+2]; (argv[i]=argv[i+2],argv[++i]=0)); ! 371: } ! 372: } ! 373: }; ! 374: ! 375: strcpy (buffer, title); ! 376: strncat (buffer, argv[0], /* append run command name */ ! 377: (BUFFER_SIZE - (strlen (buffer)) - (strlen (argv[0]))) - 1); ! 378: ! 379: error_code = interpose_on_window(argc,argv); ! 380: if (error_code != 0) { /* Barf */ ! 381: fprintf (stderr, "notify_interpose_event_func returns %d.\n", error_code); ! 382: exit (1); ! 383: } ! 384: ! 385: #ifdef XVIEW ! 386: xv_main_loop (frame); /* And away we go */ ! 387: #else ! 388: window_main_loop (frame); ! 389: #endif /* XVIEW */ ! 390: } ! 391: ! 392: #ifdef XVIEW ! 393: int interpose_on_window(argc,argv) ! 394: int argc; ! 395: char **argv; ! 396: { ! 397: #ifndef TTERM ! 398: #ifdef FONT_WIDTH_ADJUST ! 399: int i, font_width_adjust = 1; /* hackery, and hueristics */ ! 400: /* If -Wt is not supplied, OWv2 font defaults as lucidasans-12 (width=8) ! 401: * rather than the lucidasanstypewriter (width=7) actually used by ttysw. ! 402: * This hack attempts to workaround it. ! 403: */ ! 404: for (i = 1; argv[i]; i++) { ! 405: if (!(strcmp ("-Wt", argv[i])) || !(strcmp ("-font", argv[i]))) ! 406: {font_width_adjust = 0; ! 407: if (console_fd) fprintf(console, "-Wt = %d\n", font_width_adjust); ! 408: break;} ! 409: } ! 410: #endif /* FONT_WIDTH_ADJUST */ ! 411: #endif /* not TTERM */ ! 412: /* initialize Xview, and strip window args */ ! 413: xv_init(XV_INIT_ARGC_PTR_ARGV, &argc, argv, 0); ! 414: ! 415: /* do this first, so arglist can override it */ ! 416: frame_icon = icon_create (ICON_LABEL, "Emacstool", ! 417: ICON_IMAGE, &icon_image, ! 418: 0); ! 419: ! 420: /* Build a frame to run in */ ! 421: frame = xv_create ((Xv_Window)NULL, FRAME, ! 422: FRAME_LABEL, buffer, ! 423: FRAME_ICON, frame_icon, ! 424: 0); ! 425: ! 426: /* Create a tty with emacs in it */ ! 427: tty_win = xv_create (frame, SWTYPE, WIN_IS_CLIENT_PANE, ! 428: TTY_QUIT_ON_CHILD_DEATH, TRUE, ! 429: TTY_BOLDSTYLE, TTYSW_BOLD_INVERT, ! 430: TTY_ARGV, argv, ! 431: 0); ! 432: ! 433: if (bold_name) { ! 434: (void)xv_set(tty_win, TTY_BOLDSTYLE_NAME, bold_name, 0); ! 435: } ! 436: ! 437: { ! 438: Xv_font font; /* declare temp font variable */ ! 439: font = (Xv_font)xv_get (tty_win, XV_FONT); ! 440: font_height = (int)xv_get (font, FONT_DEFAULT_CHAR_HEIGHT); ! 441: font_width = (int)xv_get (font, FONT_DEFAULT_CHAR_WIDTH); ! 442: } ! 443: if (console_fd) fprintf(console, "Width = %d\n", font_width); ! 444: ! 445: #ifndef TTERM ! 446: #ifdef FONT_WIDTH_ADJUST ! 447: font_width -= font_width_adjust; /* A guess! font cache bug in ttysw*/ ! 448: #endif /* FONT_WIDTH_ADJUST */ ! 449: #else ! 450: /* make the termsw act as a tty */ ! 451: xv_set(tty_win, TERMSW_MODE, TTYSW_MODE_TYPE, 0); ! 452: /* termsw has variable offset depending on scrollbar size/location */ ! 453: left_margin = (int)xv_get (tty_win, TEXTSW_LEFT_MARGIN); ! 454: #endif /* TTERM */ ! 455: ! 456: tty_view = (Xv_Window) xv_get (tty_win, OPENWIN_NTH_VIEW, 0); ! 457: xv_set(tty_view, ! 458: WIN_CONSUME_EVENTS, ! 459: WIN_MOUSE_BUTTONS, WIN_UP_EVENTS, ! 460: ACTION_ADJUST, ACTION_MENU, ! 461: WIN_ASCII_EVENTS, ! 462: WIN_LEFT_KEYS, WIN_TOP_KEYS, WIN_RIGHT_KEYS, ! 463: 0, ! 464: 0); ! 465: /* Interpose my event function */ ! 466: return (int) notify_interpose_event_func ! 467: (tty_view, input_event_filter_function, NOTIFY_SAFE); ! 468: } ! 469: #else /* not XVIEW */ ! 470: int interpose_on_window (argc, argv) ! 471: int argc; ! 472: char **argv; ! 473: { ! 474: /* do this first, so arglist can override it */ ! 475: frame_icon = icon_create (ICON_LABEL, "Emacstool", ! 476: ICON_IMAGE, &icon_image, ! 477: 0); ! 478: ! 479: /* Build a frame to run in */ ! 480: frame = window_create ((Window)NULL, FRAME, ! 481: FRAME_LABEL, buffer, ! 482: FRAME_ICON, frame_icon, ! 483: FRAME_ARGC_PTR_ARGV, &argc, argv, ! 484: 0); ! 485: ! 486: /* Create a tty with emacs in it */ ! 487: tty_win = window_create (frame, TTY, ! 488: TTY_QUIT_ON_CHILD_DEATH, TRUE, ! 489: TTY_BOLDSTYLE, TTYSW_BOLD_INVERT, ! 490: TTY_ARGV, argv, ! 491: 0); ! 492: ! 493: if (bold_name) { ! 494: (void)window_set(tty_win, TTY_BOLDSTYLE_NAME, bold_name, 0); ! 495: } ! 496: ! 497: /* ttysw uses pf_default, one must set WIN_FONT explicitly */ ! 498: window_set (tty_win, WIN_FONT, pf_default(), 0); ! 499: font_height = (int)window_get (tty_win, WIN_ROW_HEIGHT); ! 500: font_width = (int)window_get (tty_win, WIN_COLUMN_WIDTH); ! 501: ! 502: tty_view = tty_win; ! 503: window_set(tty_view, ! 504: WIN_CONSUME_PICK_EVENTS, ! 505: WIN_STOP, ! 506: WIN_MOUSE_BUTTONS, WIN_UP_EVENTS, ! 507: /* LOC_WINENTER, LOC_WINEXIT, LOC_MOVE, */ ! 508: 0, ! 509: WIN_CONSUME_KBD_EVENTS, ! 510: WIN_STOP, ! 511: WIN_ASCII_EVENTS, ! 512: WIN_LEFT_KEYS, WIN_TOP_KEYS, WIN_RIGHT_KEYS, ! 513: /* WIN_UP_ASCII_EVENTS, */ ! 514: 0, ! 515: 0); ! 516: /* Interpose my event function */ ! 517: return (int) notify_interpose_event_func ! 518: (tty_view, input_event_filter_function, NOTIFY_SAFE); ! 519: } ! 520: #endif /* XVIEW */
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