1 /*--------------------------------*-C-*---------------------------------*;
3 *----------------------------------------------------------------------*
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 * - extensive modifications
10 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12 * - extensive modifications
13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15 * - extensive modifications
16 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *---------------------------------------------------------------------*/
33 #include "../config.h" /* NECESSARY */
34 #include "rxvt.h" /* NECESSARY */
35 #include "main.intpro" /* PROTOS for internal routines */
39 #ifdef TTY_GID_SUPPORT
49 static char curlocale[128];
52 rxvt_set_locale (const char *locale)
54 if (locale && STRNCMP (locale, curlocale, 128))
56 STRNCPY (curlocale, locale, 128);
57 setlocale (LC_CTYPE, curlocale);
62 rxvt_term::operator new (size_t s)
71 rxvt_term::operator delete (void *p, size_t s)
76 rxvt_term::rxvt_term ()
78 rootwin_ev (this, &rxvt_term::rootwin_cb),
79 termwin_ev (this, &rxvt_term::x_cb),
80 vt_ev (this, &rxvt_term::x_cb),
81 #ifdef HAVE_SCROLLBARS
82 scrollbar_ev (this, &rxvt_term::x_cb),
85 menubar_ev (this, &rxvt_term::x_cb),
88 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
91 text_blink_ev (this, &rxvt_term::text_blink_cb),
94 pointer_ev (this, &rxvt_term::pointer_cb),
97 im_ev (this, &rxvt_term::im_cb),
99 check_ev (this, &rxvt_term::check_cb),
100 destroy_ev (this, &rxvt_term::destroy_cb),
101 pty_ev (this, &rxvt_term::pty_cb),
102 incr_ev (this, &rxvt_term::incr_cb)
104 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
107 rxvt_term::~rxvt_term ()
112 #ifndef NO_SETOWNER_TTYDEV
113 privileged_ttydev (RESTORE);
116 privileged_utmp (RESTORE);
119 delete TermWin.fontset;
123 if (TermWin.parent[0])
124 XDestroyWindow (display->display, TermWin.parent[0]);
125 #if defined(MENUBAR) && (MENUBAR_MAX > 1)
127 XDestroyWindow (display->display, menuBar.win);
128 delete menuBar.drawable;
132 // TODO: free pixcolours, colours should become part of rxvt_display
136 displays.put (display);
143 free (env_colorfgbg);
152 rxvt_term::destroy ()
156 rootwin_ev.stop (display);
157 termwin_ev.stop (display);
158 vt_ev.stop (display);
161 im_ev.stop (display);
163 #ifdef HAVE_SCROLLBARS
164 scrollbar_ev.stop (display);
167 menubar_ev.stop (display);
174 cursor_blink_ev.stop ();
177 text_blink_ev.stop ();
183 destroy_ev.start (0);
187 rxvt_term::destroy_cb (time_watcher &w)
194 /*----------------------------------------------------------------------*/
198 rxvt_init (int argc, const char *const *argv)
200 SET_R (new rxvt_term);
202 if (!GET_R->init_vars () || !GET_R->init (argc, argv))
211 static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
216 /* install exit handler for cleanup */
219 atexit (rxvt_clean_exit);
226 sigfillset (&sa.sa_mask);
227 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
228 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
229 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
230 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
231 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
232 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
233 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
235 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
236 /* signal (SIGURG, SIG_DFL); */
238 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
239 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
243 rxvt_term::init (int argc, const char *const *argv)
246 * Save and then give up any super-user privileges
247 * If we need privileges in any area then we must specifically request it.
248 * We should only need to be root in these cases:
249 * 1. write utmp entries on some systems
250 * 2. chown tty on some systems
257 const char **cmd_argv = init_resources (argc, argv);
262 menubar_read (rs[Rs_menu]);
264 #ifdef HAVE_SCROLLBARS
265 if (Options & Opt_scrollBar)
266 scrollBar.setIdle (); /* set existence for size calculations */
269 create_windows (argc, argv);
273 scr_reset (); /* initialize screen */
276 XSynchronize (display->display, True);
279 #ifdef HAVE_SCROLLBARS
280 if (Options & Opt_scrollBar)
281 resize_scrollbar (); /* create and map scrollbar */
284 if (menubar_visible ())
285 XMapWindow (display->display, menuBar.win);
288 if (Options & Opt_transparent)
290 XSelectInput (display->display, display->root, PropertyChangeMask);
291 check_our_parents ();
295 rootwin_ev.start (display, display->root);
297 XMapWindow (display->display, TermWin.vt);
298 XMapWindow (display->display, TermWin.parent[0]);
300 init_command (cmd_argv);
302 pty_ev.start (cmd_fd, EVENT_READ);
309 /* ------------------------------------------------------------------------- *
310 * SIGNAL HANDLING & EXIT HANDLER *
311 * ------------------------------------------------------------------------- */
313 * Catch a SIGCHLD signal and exit if the direct child has died
318 rxvt_Child_signal (int sig __attribute__ ((unused)))
320 int pid, save_errno = errno;
321 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
332 * Catch a fatal signal and tidy up before quitting
336 rxvt_Exit_signal (int sig)
338 signal (sig, SIG_DFL);
340 rxvt_print_error ("signal %d", sig);
343 kill (getpid (), sig);
348 rxvt_xerror_handler (Display *display, XErrorEvent *event)
350 if (GET_R->allowedxerror == -1)
351 GET_R->allowedxerror = event->error_code;
354 old_xerror_handler (display, event);
361 /*----------------------------------------------------------------------*/
363 * Exit gracefully, clearing the utmp entry and restoring tty attributes
364 * TODO: if debugging, this should free up any known resources if we can
370 // TODO: rxvtd should clean up all ressources
375 /* ------------------------------------------------------------------------- *
376 * MEMORY ALLOCATION WRAPPERS *
377 * ------------------------------------------------------------------------- */
380 rxvt_malloc (size_t size)
388 fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
396 rxvt_calloc (size_t number, size_t size)
400 p = calloc (number, size);
404 fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
412 rxvt_realloc (void *ptr, size_t size)
417 p = realloc (ptr, size);
423 fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
429 /* ------------------------------------------------------------------------- *
430 * PRIVILEGED OPERATIONS *
431 * ------------------------------------------------------------------------- */
432 /* take care of suid/sgid super-user (root) privileges */
434 rxvt_term::privileges (int mode)
436 #if ! defined(__CYGWIN32__)
437 # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
438 /* setreuid () is the poor man's setuid (), seteuid () */
439 # define seteuid(a) setreuid(-1, (a))
440 # define setegid(a) setregid(-1, (a))
441 # define HAVE_SETEUID
448 * change effective uid/gid - not real uid/gid - so we can switch
449 * back to root later, as required
481 rxvt_term::privileged_utmp (char action)
483 D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
484 action, next_utmp_action, getpid ()));
485 if (next_utmp_action != action || (action != SAVE && action != RESTORE)
486 || (Options & Opt_utmpInhibit)
487 || ttydev == NULL || *ttydev == '\0')
490 privileges (RESTORE);
493 next_utmp_action = RESTORE;
494 makeutent (ttydev, rs[Rs_display_name]);
497 { /* action == RESTORE */
498 next_utmp_action = IGNORE;
505 #ifndef NO_SETOWNER_TTYDEV
507 rxvt_term::privileged_ttydev (char action)
510 "privileged_ttydev (%c); waiting for: %c (pid: %d)",
511 action, next_tty_action, getpid ()));
512 if (next_tty_action != action || (action != SAVE && action != RESTORE)
513 || ttydev == NULL || *ttydev == '\0')
516 privileges (RESTORE);
520 next_tty_action = RESTORE;
521 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
522 /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
523 if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
524 next_tty_action = IGNORE;
529 chown (ttydev, getuid (), ttygid); /* fail silently */
530 chmod (ttydev, ttymode);
538 { /* action == RESTORE */
539 next_tty_action = IGNORE;
540 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
541 chmod (ttydev, ttyfd_stat.st_mode);
542 chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
545 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
546 chown (ttydev, 0, 0);
553 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
554 D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
555 action == RESTORE ? "Restoring" : (action ==
557 "UNKNOWN ERROR for"), ttydev,
558 ttyfd_stat.st_mode, ttyfd_stat.st_uid,
564 /*----------------------------------------------------------------------*/
566 * window size/position calculcations for XSizeHint and other storage.
567 * if width/height are non-zero then override calculated width/height
570 rxvt_term::window_calc (unsigned int width, unsigned int height)
572 short recalc_x, recalc_y;
573 int x, y, sb_w, mb_h, flags;
575 unsigned int max_width, max_height;
577 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
578 TermWin.ncol, TermWin.nrow, szHint.width,
580 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
581 szHint.win_gravity = NorthWestGravity;
582 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
584 recalc_x = recalc_y = 0;
586 if (!parsed_geometry)
590 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
591 if (flags & WidthValue)
593 TermWin.ncol = BOUND_POSITIVE_INT16 (w);
594 szHint.flags |= USSize;
596 if (flags & HeightValue)
598 TermWin.nrow = BOUND_POSITIVE_INT16 (h);
599 szHint.flags |= USSize;
604 szHint.flags |= USPosition;
605 if (flags & XNegative)
608 szHint.win_gravity = NorthEastGravity;
614 szHint.flags |= USPosition;
615 if (flags & YNegative)
618 if (szHint.win_gravity == NorthEastGravity)
619 szHint.win_gravity = SouthEastGravity;
621 szHint.win_gravity = SouthWestGravity;
626 TermWin.width = TermWin.ncol * TermWin.fwidth;
627 TermWin.height = TermWin.nrow * TermWin.fheight;
628 max_width = MAX_COLS * TermWin.fwidth;
629 max_height = MAX_ROWS * TermWin.fheight;
631 szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
634 window_vt_x = window_vt_y = 0;
635 if (scrollbar_visible ())
637 sb_w = scrollbar_TotalWidth ();
638 szHint.base_width += sb_w;
639 if (! (Options & Opt_scrollBar_right))
642 if (menubar_visible ())
644 mb_h = menuBar_TotalHeight ();
645 szHint.base_height += mb_h;
648 szHint.width_inc = TermWin.fwidth;
649 szHint.height_inc = TermWin.fheight;
650 szHint.min_width = szHint.base_width + szHint.width_inc;
651 szHint.min_height = szHint.base_height + szHint.height_inc;
653 if (width && width - szHint.base_width < max_width)
655 szHint.width = width;
656 TermWin.width = width - szHint.base_width;
660 MIN_IT (TermWin.width, max_width);
661 szHint.width = szHint.base_width + TermWin.width;
663 if (height && height - szHint.base_height < max_height)
665 szHint.height = height;
666 TermWin.height = height - szHint.base_height;
670 MIN_IT (TermWin.height, max_height);
671 szHint.height = szHint.base_height + TermWin.height;
673 if (scrollbar_visible () && (Options & Opt_scrollBar_right))
674 window_sb_x = szHint.width - sb_w;
677 szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
678 - szHint.width - 2 * TermWin.ext_bwidth);
680 szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
681 - szHint.height - 2 * TermWin.ext_bwidth);
683 TermWin.ncol = TermWin.width / TermWin.fwidth;
684 TermWin.nrow = TermWin.height / TermWin.fheight;
685 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
686 TermWin.ncol, TermWin.nrow, szHint.width,
691 /*----------------------------------------------------------------------*/
693 * Tell the teletype handler what size the window is.
694 * Called after a window size change.
697 rxvt_term::tt_winch ()
704 ws.ws_col = TermWin.ncol;
705 ws.ws_row = TermWin.nrow;
706 ws.ws_xpixel = ws.ws_ypixel = 0;
708 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws);
710 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)
711 D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
713 else if (cmd_pid) /* force through to the command */
714 kill (cmd_pid, SIGWINCH);
719 /*----------------------------------------------------------------------*/
720 /* rxvt_change_font () - Switch to a new font */
722 * init = 1 - initialize
724 * fontname == FONT_UP - switch to bigger font
725 * fontname == FONT_DN - switch to smaller font
728 rxvt_term::change_font (const char *fontname)
730 if (fontname == FONT_UP)
734 else if (fontname == FONT_DN)
740 rxvt_fontset *fs = new rxvt_fontset (this);
742 if (fs && fs->populate (fontname))
744 delete TermWin.fontset;
745 TermWin.fontset = fs;
746 TermWin.fwidth = fs->base_font ()->width;
747 TermWin.fheight = fs->base_font ()->height;
748 TermWin.fbase = fs->base_font ()->ascent;
750 // TODO: screen needs to be told about new fonts
752 if (TermWin.parent[0])
754 resize_all_windows (0, 0, 0);
767 rxvt_term::font_up_down (int n, int direction)
772 /*----------------------------------------------------------------------*/
773 /*----------------------------------------------------------------------*/
774 /* xterm sequences - title, iconName, color (exptl) */
776 rxvt_term::set_title (const char *str)
778 #ifndef SMART_WINDOW_TITLE
779 XStoreName (display->display, TermWin.parent[0], str);
783 if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
785 if (name == NULL || STRCMP (name, str))
786 XStoreName (display->display, TermWin.parent[0], str);
793 rxvt_term::set_iconName (const char *str)
795 #ifndef SMART_WINDOW_TITLE
796 XSetIconName (display->display, TermWin.parent[0], str);
800 if (XGetIconName (display->display, TermWin.parent[0], &name))
802 if (name == NULL || STRCMP (name, str))
803 XSetIconName (display->display, TermWin.parent[0], str);
809 #ifdef XTERM_COLOR_CHANGE
811 rxvt_term::set_window_color (int idx, const char *color)
816 if (color == NULL || *color == '\0')
819 /* handle color aliases */
820 if (isdigit (*color))
823 if (i >= 8 && i <= 15)
824 { /* bright colors */
826 # ifndef NO_BRIGHTCOLOR
827 PixColors[idx] = PixColors[minBrightCOLOR + i];
833 if (i >= 0 && i <= 7)
834 { /* normal colors */
835 PixColors[idx] = PixColors[minCOLOR + i];
840 if (!rXParseAllocColor (& xcol, color))
842 /* XStoreColor (display->display, XCMAP, XColor*); */
845 * FIXME: should free colors here, but no idea how to do it so instead,
846 * so just keep gobbling up the colormap
849 for (i = Color_Black; i <= Color_White; i++)
850 if (PixColors[idx] == PixColors[i])
854 /* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
855 XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
856 DisplayPlanes (display->display, display->screen));
860 PixColors[idx] = xcol;
863 /* XSetWindowAttributes attr; */
866 if (idx == Color_bg && ! (Options & Opt_transparent))
867 XSetWindowBackground (display->display, TermWin.vt,
868 PixColors[Color_bg]);
870 /* handle Color_BD, scrollbar background, etc. */
874 /* the only reasonable way to enforce a clean update */
879 # define set_window_color (idx,color) ((void)0)
880 #endif /* XTERM_COLOR_CHANGE */
883 rxvt_term::recolour_cursor ()
888 xcol[0] = PixColors[Color_pointer];
889 xcol[1] = PixColors[Color_bg];
890 XQueryColors (display->display, XCMAP, xcol, 2);
891 XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));
895 /*----------------------------------------------------------------------*/
897 * find if fg/bg matches any of the normal (low-intensity) colors
900 rxvt_term::set_colorfgbg ()
903 const char *xpmb = "\0";
904 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
907 (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
908 STRCPY (fstr, "default");
909 STRCPY (bstr, "default");
910 for (i = Color_Black; i <= Color_White; i++)
911 if (PixColors[Color_fg] == PixColors[i])
913 sprintf (fstr, "%d", (i - Color_Black));
916 for (i = Color_Black; i <= Color_White; i++)
917 if (PixColors[Color_bg] == PixColors[i])
919 sprintf (bstr, "%d", (i - Color_Black));
920 #ifdef XPM_BACKGROUND
926 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
928 #ifndef NO_BRIGHTCOLOR
929 colorfgbg = DEFAULT_RSTYLE;
930 for (i = minCOLOR; i <= maxCOLOR; i++)
932 if (PixColors[Color_fg] == PixColors[i])
933 colorfgbg = SET_FGCOLOR (colorfgbg, i);
934 if (PixColors[Color_bg] == PixColors[i])
935 colorfgbg = SET_BGCOLOR (colorfgbg, i);
940 /*----------------------------------------------------------------------*/
942 * Colour determination for low colour displays, routine from
943 * Hans de Goede <hans@highrise.nl>
947 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
949 if (!screen_in_out->set (display, colour))
951 rxvt_print_error ("can't allocate colour: %s", colour);
958 /* -------------------------------------------------------------------- *
959 * - WINDOW RESIZING - *
960 * -------------------------------------------------------------------- */
962 rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
967 int old_width = szHint.width, old_height = szHint.height;
970 window_calc (width, height);
971 XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
976 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
977 * reposition window on resize depending on placement on screen
981 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
984 XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
985 0, 0, &x, &y, &unused_cr);
986 XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
987 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
989 * if display->root isn't the parent window, a WM will probably have offset
990 * our position for handles and decorations. Counter it
992 if (x1 != x || y1 != y)
998 x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
999 y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
1000 dx = old_width - szHint.width;
1001 dy = old_height - szHint.height;
1003 /* Check position of the center of the window */
1004 if (x < x1) /* left half */
1006 else if (x == x1) /* exact center */
1008 if (y < y1) /* top half */
1010 else if (y == y1) /* exact center */
1013 XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
1014 szHint.width, szHint.height);
1016 XResizeWindow (display->display, TermWin.parent[0], szHint.width,
1022 fix_screen = (TermWin.ncol != prev_ncol
1023 || TermWin.nrow != prev_nrow);
1025 if (fix_screen || width != old_width || height != old_height)
1027 if (scrollbar_visible ())
1029 XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1030 0, scrollbar_TotalWidth (), szHint.height);
1031 resize_scrollbar ();
1034 if (menubar_visible ())
1035 XMoveResizeWindow (display->display, menuBar.win, window_vt_x,
1036 0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1038 XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1039 window_vt_y, TermWin_TotalWidth (),
1040 TermWin_TotalHeight ());
1042 #ifdef XPM_BACKGROUND
1048 if (fix_screen || old_height == 0)
1050 int curr_screen = -1;
1051 int old_ncol = prev_ncol;
1053 /* scr_reset only works on the primary screen */
1054 if (old_height) /* this is not the first time through */
1056 unsigned int ncol = TermWin.ncol;
1057 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1058 curr_screen = scr_change_screen (PRIMARY);
1059 TermWin.ncol = ncol;
1064 if (curr_screen >= 0) /* this is not the first time through */
1066 scr_change_screen (curr_screen);
1067 selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1071 old_width = szHint.width;
1072 old_height = szHint.height;
1075 IMSetStatusPosition ();
1080 * Set the width/height of the vt window in characters. Units are pixels.
1081 * good for toggling 80/132 columns
1084 rxvt_term::set_widthheight (unsigned int width, unsigned int height)
1086 XWindowAttributes wattr;
1088 if (width == 0 || height == 0)
1090 XGetWindowAttributes (display->display, display->root, &wattr);
1092 width = wattr.width - szHint.base_width;
1094 height = wattr.height - szHint.base_height;
1096 if (width != TermWin.width || height != TermWin.height)
1098 width += szHint.base_width;
1099 height += szHint.base_height;
1100 resize_all_windows (width, height, 0);
1104 /* -------------------------------------------------------------------- *
1105 * - X INPUT METHOD ROUTINES - *
1106 * -------------------------------------------------------------------- */
1110 rxvt_term::im_set_size (XRectangle *size)
1112 size->x = TermWin.int_bwidth;
1113 size->y = TermWin.int_bwidth;
1114 size->width = Width2Pixel (TermWin.ncol);
1115 size->height = Height2Pixel (TermWin.nrow);
1119 rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)
1121 *fg = PixColors[Color_fg];
1122 *bg = PixColors[Color_bg];
1125 /* Checking whether input method is running. */
1127 rxvt_term::IMisRunning ()
1132 char server[IMBUFSIZ];
1134 /* get current locale modifier */
1135 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1137 STRCPY (server, "@server=");
1138 STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1139 if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */
1142 atom = XInternAtom (display->display, server, False);
1143 win = XGetSelectionOwner (display->display, atom);
1151 rxvt_term::IMSendSpot ()
1154 XVaNestedList preedit_attr;
1156 if (Input_Context == NULL
1157 || !TermWin.focus || ! (input_style & XIMPreeditPosition)
1158 || ! (event_type == KeyPress
1159 || event_type == Expose
1160 || event_type == NoExpose
1161 || event_type == SelectionNotify
1162 || event_type == ButtonRelease || event_type == FocusIn)
1166 im_set_position (&spot);
1168 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1169 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1170 XFree (preedit_attr);
1174 rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1175 XRectangle * needed_rect)
1179 if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1180 vtx = scrollbar_TotalWidth ();
1182 mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1183 mbh -= TermWin.lineSpace;
1185 preedit_rect->x = needed_rect->width + vtx;
1186 preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1188 preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1189 preedit_rect->height = Height2Pixel (1);
1191 status_rect->x = vtx;
1192 status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1194 status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1195 status_rect->height = Height2Pixel (1);
1199 rxvt_term::im_destroy ()
1203 XDestroyIC (Input_Context);
1204 Input_Context = NULL;
1209 display->put_xim (input_method);
1215 * Try to open a XIM with the current modifiers, then see if we can
1216 * open a suitable preedit type
1219 rxvt_term::IM_get_IC (const char *modifiers)
1224 XRectangle rect, status_rect, needed_rect;
1225 unsigned long fg, bg;
1228 XIMStyles *xim_styles;
1229 XVaNestedList preedit_attr, status_attr;
1231 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1234 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1235 input_method = display->get_xim (locale, modifiers);
1236 if (input_method == NULL)
1239 xim = input_method->xim;
1242 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1243 || !xim_styles || !xim_styles->count_styles)
1245 display->put_xim (input_method);
1249 p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";
1250 s = rxvt_splitcommastring (p);
1251 for (i = found = 0; !found && s[i]; i++)
1253 if (!STRCMP (s[i], "OverTheSpot"))
1254 input_style = (XIMPreeditPosition | XIMStatusNothing);
1255 else if (!STRCMP (s[i], "OffTheSpot"))
1256 input_style = (XIMPreeditArea | XIMStatusArea);
1257 else if (!STRCMP (s[i], "Root"))
1258 input_style = (XIMPreeditNothing | XIMStatusNothing);
1260 for (j = 0; j < xim_styles->count_styles; j++)
1261 if (input_style == xim_styles->supported_styles[j])
1268 for (i = 0; s[i]; i++)
1276 display->put_xim (input_method);
1280 preedit_attr = status_attr = NULL;
1282 if (input_style & XIMPreeditPosition)
1284 im_set_size (&rect);
1285 im_set_position (&spot);
1286 im_set_color (&fg, &bg);
1288 preedit_attr = XVaCreateNestedList (0, XNArea, &rect,
1289 XNSpotLocation, &spot,
1290 XNForeground, fg, XNBackground, bg,
1291 //XNFontSet, TermWin.fontset,
1294 else if (input_style & XIMPreeditArea)
1296 im_set_color (&fg, &bg);
1299 * The necessary width of preedit area is unknown
1300 * until create input context.
1302 needed_rect.width = 0;
1304 im_set_preedit_area (&rect, &status_rect, &needed_rect);
1306 preedit_attr = XVaCreateNestedList (0, XNArea, &rect,
1307 XNForeground, fg, XNBackground, bg,
1308 //XNFontSet, TermWin.fontset,
1310 status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1311 XNForeground, fg, XNBackground, bg,
1312 //XNFontSet, TermWin.fontset,
1316 Input_Context = XCreateIC (xim, XNInputStyle, input_style,
1317 XNClientWindow, TermWin.parent[0],
1318 XNFocusWindow, TermWin.parent[0],
1319 preedit_attr ? XNPreeditAttributes : NULL,
1321 status_attr ? XNStatusAttributes : NULL,
1323 if (preedit_attr) XFree (preedit_attr);
1324 if (status_attr) XFree (status_attr);
1326 if (Input_Context == NULL)
1328 rxvt_print_error ("failed to create input context");
1329 display->put_xim (input_method);
1333 if (input_style & XIMPreeditArea)
1334 IMSetStatusPosition ();
1336 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1343 int i, found, had_im;
1350 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1354 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1355 if (rs[Rs_imLocale])
1356 SET_LOCALE (rs[Rs_imLocale]);
1359 p = rs[Rs_inputMethod];
1364 s = rxvt_splitcommastring (p);
1365 for (i = 0; s[i]; i++)
1369 STRCPY (buf, "@im=");
1370 STRNCAT (buf, s[i], IMBUFSIZ - 5);
1371 if (IM_get_IC (buf))
1378 for (i = 0; s[i]; i++)
1386 /* try with XMODIFIERS env. var. */
1390 /* try with no modifiers base IF the user didn't specify an IM */
1391 if (IM_get_IC ("@im=none"))
1395 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1396 if (rs[Rs_imLocale])
1397 SET_LOCALE (locale);
1402 rxvt_term::IMSetStatusPosition ()
1404 XRectangle preedit_rect, status_rect, *needed_rect;
1405 XVaNestedList preedit_attr, status_attr;
1407 if (Input_Context == NULL
1408 || !TermWin.focus || ! (input_style & XIMPreeditArea)
1412 /* Getting the necessary width of preedit area */
1413 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1414 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1415 XFree (status_attr);
1417 im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);
1419 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1420 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1422 XSetICValues (Input_Context,
1423 XNPreeditAttributes, preedit_attr,
1424 XNStatusAttributes, status_attr, NULL);
1426 XFree (preedit_attr);
1427 XFree (status_attr);
1429 #endif /* USE_XIM */
1431 /*----------------------------------------------------------------------*/
1432 rxvt_t rxvt_current_term;
1434 /*----------------------- end-of-file (C source) -----------------------*/