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), fixme
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;
122 if (TermWin.parent[0])
123 XDestroyWindow (display->display, TermWin.parent[0]);
125 // TODO: free pixcolours, colours should become part of rxvt_display
129 displays.put (display);
136 free (env_colorfgbg);
145 rxvt_term::destroy ()
149 rootwin_ev.stop (display);
150 termwin_ev.stop (display);
151 vt_ev.stop (display);
154 im_ev.stop (display);
156 #ifdef HAVE_SCROLLBARS
157 scrollbar_ev.stop (display);
160 menubar_ev.stop (display);
167 cursor_blink_ev.stop ();
170 text_blink_ev.stop ();
176 destroy_ev.start (0);
180 rxvt_term::destroy_cb (time_watcher &w)
187 /*----------------------------------------------------------------------*/
191 rxvt_init (int argc, const char *const *argv)
193 SET_R (new rxvt_term);
195 if (!GET_R->init_vars () || !GET_R->init (argc, argv))
204 static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
209 /* install exit handler for cleanup */
212 atexit (rxvt_clean_exit);
219 sigfillset (&sa.sa_mask);
220 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
221 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
222 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
223 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
224 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
225 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
226 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
228 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
229 /* signal (SIGURG, SIG_DFL); */
231 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
232 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
236 rxvt_term::init (int argc, const char *const *argv)
239 * Save and then give up any super-user privileges
240 * If we need privileges in any area then we must specifically request it.
241 * We should only need to be root in these cases:
242 * 1. write utmp entries on some systems
243 * 2. chown tty on some systems
250 const char **cmd_argv = init_resources (argc, argv);
255 menubar_read (rs[Rs_menu]);
257 #ifdef HAVE_SCROLLBARS
258 if (Options & Opt_scrollBar)
259 scrollBar.setIdle (); /* set existence for size calculations */
262 create_windows (argc, argv);
266 scr_reset (); /* initialize screen */
269 XSynchronize (display->display, True);
272 #ifdef HAVE_SCROLLBARS
273 if (Options & Opt_scrollBar)
274 resize_scrollbar (); /* create and map scrollbar */
277 if (menubar_visible (r))
278 XMapWindow (display->display, menuBar.win);
281 if (Options & Opt_transparent)
283 XSelectInput (display->display, display->root, PropertyChangeMask);
284 check_our_parents ();
288 rootwin_ev.start (display, display->root);
290 XMapWindow (display->display, TermWin.vt);
291 XMapWindow (display->display, TermWin.parent[0]);
293 init_command (cmd_argv);
295 pty_ev.start (cmd_fd, EVENT_READ);
302 /* ------------------------------------------------------------------------- *
303 * SIGNAL HANDLING & EXIT HANDLER *
304 * ------------------------------------------------------------------------- */
306 * Catch a SIGCHLD signal and exit if the direct child has died
311 rxvt_Child_signal (int sig __attribute__ ((unused)))
313 int pid, save_errno = errno;
314 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
325 * Catch a fatal signal and tidy up before quitting
329 rxvt_Exit_signal (int sig)
331 signal (sig, SIG_DFL);
333 rxvt_print_error ("signal %d", sig);
336 kill (getpid (), sig);
341 rxvt_xerror_handler (Display *display, XErrorEvent *event)
343 if (GET_R->allowedxerror == -1)
344 GET_R->allowedxerror = event->error_code;
347 old_xerror_handler (display, event);
354 /*----------------------------------------------------------------------*/
356 * Exit gracefully, clearing the utmp entry and restoring tty attributes
357 * TODO: if debugging, this should free up any known resources if we can
363 // TODO: rxvtd should clean up all ressources
368 /* ------------------------------------------------------------------------- *
369 * MEMORY ALLOCATION WRAPPERS *
370 * ------------------------------------------------------------------------- */
373 rxvt_malloc (size_t size)
381 fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
389 rxvt_calloc (size_t number, size_t size)
393 p = calloc (number, size);
397 fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
405 rxvt_realloc (void *ptr, size_t size)
410 p = realloc (ptr, size);
416 fprintf (stderr, APL_NAME ": memory allocation failure. Aborting");
422 /* ------------------------------------------------------------------------- *
423 * PRIVILEGED OPERATIONS *
424 * ------------------------------------------------------------------------- */
425 /* take care of suid/sgid super-user (root) privileges */
427 rxvt_term::privileges (int mode)
429 #if ! defined(__CYGWIN32__)
430 # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
431 /* setreuid () is the poor man's setuid (), seteuid () */
432 # define seteuid(a) setreuid(-1, (a))
433 # define setegid(a) setregid(-1, (a))
434 # define HAVE_SETEUID
441 * change effective uid/gid - not real uid/gid - so we can switch
442 * back to root later, as required
474 rxvt_term::privileged_utmp (char action)
476 D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
477 action, next_utmp_action, getpid ()));
478 if (next_utmp_action != action || (action != SAVE && action != RESTORE)
479 || (Options & Opt_utmpInhibit)
480 || ttydev == NULL || *ttydev == '\0')
483 privileges (RESTORE);
486 next_utmp_action = RESTORE;
487 makeutent (ttydev, rs[Rs_display_name]);
490 { /* action == RESTORE */
491 next_utmp_action = IGNORE;
498 #ifndef NO_SETOWNER_TTYDEV
500 rxvt_term::privileged_ttydev (char action)
503 "privileged_ttydev (%c); waiting for: %c (pid: %d)",
504 action, next_tty_action, getpid ()));
505 if (next_tty_action != action || (action != SAVE && action != RESTORE)
506 || ttydev == NULL || *ttydev == '\0')
509 privileges (RESTORE);
513 next_tty_action = RESTORE;
514 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
515 /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
516 if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
517 next_tty_action = IGNORE;
522 chown (ttydev, getuid (), ttygid); /* fail silently */
523 chmod (ttydev, ttymode);
531 { /* action == RESTORE */
532 next_tty_action = IGNORE;
533 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
534 chmod (ttydev, ttyfd_stat.st_mode);
535 chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
538 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
539 chown (ttydev, 0, 0);
546 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
547 D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
548 action == RESTORE ? "Restoring" : (action ==
550 "UNKNOWN ERROR for"), ttydev,
551 ttyfd_stat.st_mode, ttyfd_stat.st_uid,
557 /*----------------------------------------------------------------------*/
559 * window size/position calculcations for XSizeHint and other storage.
560 * if width/height are non-zero then override calculated width/height
563 rxvt_term::window_calc (unsigned int width, unsigned int height)
565 short recalc_x, recalc_y;
566 int x, y, sb_w, mb_h, flags;
568 unsigned int max_width, max_height;
570 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
571 TermWin.ncol, TermWin.nrow, szHint.width,
573 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
574 szHint.win_gravity = NorthWestGravity;
575 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
577 recalc_x = recalc_y = 0;
579 if (!parsed_geometry)
583 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
584 if (flags & WidthValue)
586 TermWin.ncol = BOUND_POSITIVE_INT16 (w);
587 szHint.flags |= USSize;
589 if (flags & HeightValue)
591 TermWin.nrow = BOUND_POSITIVE_INT16 (h);
592 szHint.flags |= USSize;
597 szHint.flags |= USPosition;
598 if (flags & XNegative)
601 szHint.win_gravity = NorthEastGravity;
607 szHint.flags |= USPosition;
608 if (flags & YNegative)
611 if (szHint.win_gravity == NorthEastGravity)
612 szHint.win_gravity = SouthEastGravity;
614 szHint.win_gravity = SouthWestGravity;
619 TermWin.width = TermWin.ncol * TermWin.fwidth;
620 TermWin.height = TermWin.nrow * TermWin.fheight;
621 max_width = MAX_COLS * TermWin.fwidth;
622 max_height = MAX_ROWS * TermWin.fheight;
624 szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
627 window_vt_x = window_vt_y = 0;
628 if (scrollbar_visible ())
630 sb_w = scrollbar_TotalWidth ();
631 szHint.base_width += sb_w;
632 if (! (Options & Opt_scrollBar_right))
635 if (menubar_visible ())
637 mb_h = menuBar_TotalHeight ();
638 szHint.base_height += mb_h;
641 szHint.width_inc = TermWin.fwidth;
642 szHint.height_inc = TermWin.fheight;
643 szHint.min_width = szHint.base_width + szHint.width_inc;
644 szHint.min_height = szHint.base_height + szHint.height_inc;
646 if (width && width - szHint.base_width < max_width)
648 szHint.width = width;
649 TermWin.width = width - szHint.base_width;
653 MIN_IT (TermWin.width, max_width);
654 szHint.width = szHint.base_width + TermWin.width;
656 if (height && height - szHint.base_height < max_height)
658 szHint.height = height;
659 TermWin.height = height - szHint.base_height;
663 MIN_IT (TermWin.height, max_height);
664 szHint.height = szHint.base_height + TermWin.height;
666 if (scrollbar_visible () && (Options & Opt_scrollBar_right))
667 window_sb_x = szHint.width - sb_w;
670 szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
671 - szHint.width - 2 * TermWin.ext_bwidth);
673 szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
674 - szHint.height - 2 * TermWin.ext_bwidth);
676 TermWin.ncol = TermWin.width / TermWin.fwidth;
677 TermWin.nrow = TermWin.height / TermWin.fheight;
678 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
679 TermWin.ncol, TermWin.nrow, szHint.width,
684 /*----------------------------------------------------------------------*/
686 * Tell the teletype handler what size the window is.
687 * Called after a window size change.
690 rxvt_term::tt_winch ()
697 ws.ws_col = TermWin.ncol;
698 ws.ws_row = TermWin.nrow;
699 ws.ws_xpixel = ws.ws_ypixel = 0;
701 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws);
703 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)
704 D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
706 else if (cmd_pid) /* force through to the command */
707 kill (cmd_pid, SIGWINCH);
712 /*----------------------------------------------------------------------*/
713 /* rxvt_change_font () - Switch to a new font */
715 * init = 1 - initialize
717 * fontname == FONT_UP - switch to bigger font
718 * fontname == FONT_DN - switch to smaller font
721 rxvt_term::change_font (const char *fontname)
723 if (fontname == FONT_UP)
727 else if (fontname == FONT_DN)
733 rxvt_fontset *fs = new rxvt_fontset (this);
735 if (fs && fs->populate (fontname))
737 delete TermWin.fontset;
738 TermWin.fontset = fs;
739 TermWin.fwidth = fs->base_font ()->width;
740 TermWin.fheight = fs->base_font ()->height;
741 TermWin.fbase = fs->base_font ()->ascent;
743 // TODO: screen needs to be told about new fonts
753 rxvt_term::font_up_down (int n, int direction)
758 /*----------------------------------------------------------------------*/
759 /*----------------------------------------------------------------------*/
760 /* xterm sequences - title, iconName, color (exptl) */
762 rxvt_term::set_title (const char *str)
764 #ifndef SMART_WINDOW_TITLE
765 XStoreName (display->display, TermWin.parent[0], str);
769 if (XFetchName (display->display, TermWin.parent[0], &name) == 0)
771 if (name == NULL || STRCMP (name, str))
772 XStoreName (display->display, TermWin.parent[0], str);
779 rxvt_term::set_iconName (const char *str)
781 #ifndef SMART_WINDOW_TITLE
782 XSetIconName (display->display, TermWin.parent[0], str);
786 if (XGetIconName (display->display, TermWin.parent[0], &name))
788 if (name == NULL || STRCMP (name, str))
789 XSetIconName (display->display, TermWin.parent[0], str);
795 #ifdef XTERM_COLOR_CHANGE
797 rxvt_term::set_window_color (int idx, const char *color)
802 if (color == NULL || *color == '\0')
805 /* handle color aliases */
806 if (isdigit (*color))
809 if (i >= 8 && i <= 15)
810 { /* bright colors */
812 # ifndef NO_BRIGHTCOLOR
813 PixColors[idx] = PixColors[minBrightCOLOR + i];
819 if (i >= 0 && i <= 7)
820 { /* normal colors */
821 PixColors[idx] = PixColors[minCOLOR + i];
826 if (!rXParseAllocColor (& xcol, color))
828 /* XStoreColor (display->display, XCMAP, XColor*); */
831 * FIXME: should free colors here, but no idea how to do it so instead,
832 * so just keep gobbling up the colormap
835 for (i = Color_Black; i <= Color_White; i++)
836 if (PixColors[idx] == PixColors[i])
840 /* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
841 XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
842 DisplayPlanes (display->display, display->screen));
846 PixColors[idx] = xcol;
849 /* XSetWindowAttributes attr; */
852 if (idx == Color_bg && ! (Options & Opt_transparent))
853 XSetWindowBackground (display->display, TermWin.vt,
854 PixColors[Color_bg]);
856 /* handle Color_BD, scrollbar background, etc. */
860 /* the only reasonable way to enforce a clean update */
865 # define set_window_color (idx,color) ((void)0)
866 #endif /* XTERM_COLOR_CHANGE */
869 rxvt_term::recolour_cursor ()
874 xcol[0] = PixColors[Color_pointer];
875 xcol[1] = PixColors[Color_bg];
876 XQueryColors (display->display, XCMAP, xcol, 2);
877 XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));
881 /*----------------------------------------------------------------------*/
883 * find if fg/bg matches any of the normal (low-intensity) colors
886 rxvt_term::set_colorfgbg ()
889 const char *xpmb = "\0";
890 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
893 (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
894 STRCPY (fstr, "default");
895 STRCPY (bstr, "default");
896 for (i = Color_Black; i <= Color_White; i++)
897 if (PixColors[Color_fg] == PixColors[i])
899 sprintf (fstr, "%d", (i - Color_Black));
902 for (i = Color_Black; i <= Color_White; i++)
903 if (PixColors[Color_bg] == PixColors[i])
905 sprintf (bstr, "%d", (i - Color_Black));
906 #ifdef XPM_BACKGROUND
912 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
914 #ifndef NO_BRIGHTCOLOR
915 colorfgbg = DEFAULT_RSTYLE;
916 for (i = minCOLOR; i <= maxCOLOR; i++)
918 if (PixColors[Color_fg] == PixColors[i])
919 colorfgbg = SET_FGCOLOR (colorfgbg, i);
920 if (PixColors[Color_bg] == PixColors[i])
921 colorfgbg = SET_BGCOLOR (colorfgbg, i);
926 /*----------------------------------------------------------------------*/
928 * Colour determination for low colour displays, routine from
929 * Hans de Goede <hans@highrise.nl>
933 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
935 if (!screen_in_out->set (display, colour))
937 rxvt_print_error ("can't allocate colour: %s", colour);
944 /* -------------------------------------------------------------------- *
945 * - WINDOW RESIZING - *
946 * -------------------------------------------------------------------- */
948 rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
953 int old_width = szHint.width, old_height = szHint.height;
956 window_calc (width, height);
957 XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
962 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
963 * reposition window on resize depending on placement on screen
967 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
970 XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
971 0, 0, &x, &y, &unused_cr);
972 XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
973 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
975 * if display->root isn't the parent window, a WM will probably have offset
976 * our position for handles and decorations. Counter it
978 if (x1 != x || y1 != y)
984 x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
985 y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
986 dx = old_width - szHint.width;
987 dy = old_height - szHint.height;
989 /* Check position of the center of the window */
990 if (x < x1) /* left half */
992 else if (x == x1) /* exact center */
994 if (y < y1) /* top half */
996 else if (y == y1) /* exact center */
999 XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
1000 szHint.width, szHint.height);
1002 XResizeWindow (display->display, TermWin.parent[0], szHint.width,
1008 fix_screen = (TermWin.ncol != prev_ncol
1009 || TermWin.nrow != prev_nrow);
1011 if (fix_screen || width != old_width || height != old_height)
1013 if (scrollbar_visible ())
1015 XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1016 0, scrollbar_TotalWidth (), szHint.height);
1017 resize_scrollbar ();
1020 if (menubar_visible ())
1021 XMoveResizeWindow (display->display, menuBar.win, window_vt_x,
1022 0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1024 XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1025 window_vt_y, TermWin_TotalWidth (),
1026 TermWin_TotalHeight ());
1028 #ifdef XPM_BACKGROUND
1034 if (fix_screen || old_height == 0)
1036 int curr_screen = -1;
1037 int old_ncol = prev_ncol;
1039 /* scr_reset only works on the primary screen */
1040 if (old_height) /* this is not the first time through */
1042 unsigned int ncol = TermWin.ncol;
1043 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1044 curr_screen = scr_change_screen (PRIMARY);
1045 TermWin.ncol = ncol;
1050 if (curr_screen >= 0) /* this is not the first time through */
1052 scr_change_screen (curr_screen);
1053 selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1057 old_width = szHint.width;
1058 old_height = szHint.height;
1061 IMSetStatusPosition ();
1066 * Set the width/height of the vt window in characters. Units are pixels.
1067 * good for toggling 80/132 columns
1070 rxvt_term::set_widthheight (unsigned int width, unsigned int height)
1072 XWindowAttributes wattr;
1074 if (width == 0 || height == 0)
1076 XGetWindowAttributes (display->display, display->root, &wattr);
1078 width = wattr.width - szHint.base_width;
1080 height = wattr.height - szHint.base_height;
1082 if (width != TermWin.width || height != TermWin.height)
1084 width += szHint.base_width;
1085 height += szHint.base_height;
1086 resize_all_windows (width, height, 0);
1090 /* -------------------------------------------------------------------- *
1091 * - X INPUT METHOD ROUTINES - *
1092 * -------------------------------------------------------------------- */
1096 rxvt_term::im_set_size (XRectangle *size)
1098 size->x = TermWin.int_bwidth;
1099 size->y = TermWin.int_bwidth;
1100 size->width = Width2Pixel (TermWin.ncol);
1101 size->height = Height2Pixel (TermWin.nrow);
1105 rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)
1107 *fg = PixColors[Color_fg];
1108 *bg = PixColors[Color_bg];
1111 /* Checking whether input method is running. */
1113 rxvt_term::IMisRunning ()
1118 char server[IMBUFSIZ];
1120 /* get current locale modifier */
1121 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1123 STRCPY (server, "@server=");
1124 STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1125 if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */
1128 atom = XInternAtom (display->display, server, False);
1129 win = XGetSelectionOwner (display->display, atom);
1137 rxvt_term::IMSendSpot ()
1140 XVaNestedList preedit_attr;
1142 if (Input_Context == NULL
1143 || !TermWin.focus || ! (input_style & XIMPreeditPosition)
1144 || ! (event_type == KeyPress
1145 || event_type == Expose
1146 || event_type == NoExpose
1147 || event_type == SelectionNotify
1148 || event_type == ButtonRelease || event_type == FocusIn)
1152 im_set_position (&spot);
1154 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1155 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1156 XFree (preedit_attr);
1160 rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1161 XRectangle * needed_rect)
1165 if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1166 vtx = scrollbar_TotalWidth ();
1168 mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1169 mbh -= TermWin.lineSpace;
1171 preedit_rect->x = needed_rect->width + vtx;
1172 preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1174 preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1175 preedit_rect->height = Height2Pixel (1);
1177 status_rect->x = vtx;
1178 status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1180 status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1181 status_rect->height = Height2Pixel (1);
1185 rxvt_term::im_destroy ()
1189 XDestroyIC (Input_Context);
1190 Input_Context = NULL;
1195 display->put_xim (input_method);
1201 * Try to open a XIM with the current modifiers, then see if we can
1202 * open a suitable preedit type
1205 rxvt_term::IM_get_IC (const char *modifiers)
1210 XRectangle rect, status_rect, needed_rect;
1211 unsigned long fg, bg;
1214 XIMStyles *xim_styles;
1215 XVaNestedList preedit_attr, status_attr;
1217 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1220 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1221 input_method = display->get_xim (locale, modifiers);
1222 if (input_method == NULL)
1225 xim = input_method->xim;
1228 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1229 || !xim_styles || !xim_styles->count_styles)
1231 display->put_xim (input_method);
1235 p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";
1236 s = rxvt_splitcommastring (p);
1237 for (i = found = 0; !found && s[i]; i++)
1239 if (!STRCMP (s[i], "OverTheSpot"))
1240 input_style = (XIMPreeditPosition | XIMStatusNothing);
1241 else if (!STRCMP (s[i], "OffTheSpot"))
1242 input_style = (XIMPreeditArea | XIMStatusArea);
1243 else if (!STRCMP (s[i], "Root"))
1244 input_style = (XIMPreeditNothing | XIMStatusNothing);
1246 for (j = 0; j < xim_styles->count_styles; j++)
1247 if (input_style == xim_styles->supported_styles[j])
1254 for (i = 0; s[i]; i++)
1262 display->put_xim (input_method);
1266 preedit_attr = status_attr = NULL;
1268 if (input_style & XIMPreeditPosition)
1270 im_set_size (&rect);
1271 im_set_position (&spot);
1272 im_set_color (&fg, &bg);
1274 preedit_attr = XVaCreateNestedList (0, XNArea, &rect,
1275 XNSpotLocation, &spot,
1276 XNForeground, fg, XNBackground, bg,
1277 //XNFontSet, TermWin.fontset,
1280 else if (input_style & XIMPreeditArea)
1282 im_set_color (&fg, &bg);
1285 * The necessary width of preedit area is unknown
1286 * until create input context.
1288 needed_rect.width = 0;
1290 im_set_preedit_area (&rect, &status_rect, &needed_rect);
1292 preedit_attr = XVaCreateNestedList (0, XNArea, &rect,
1293 XNForeground, fg, XNBackground, bg,
1294 //XNFontSet, TermWin.fontset,
1296 status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1297 XNForeground, fg, XNBackground, bg,
1298 //XNFontSet, TermWin.fontset,
1302 Input_Context = XCreateIC (xim, XNInputStyle, input_style,
1303 XNClientWindow, TermWin.parent[0],
1304 XNFocusWindow, TermWin.parent[0],
1305 preedit_attr ? XNPreeditAttributes : NULL,
1307 status_attr ? XNStatusAttributes : NULL,
1309 if (preedit_attr) XFree (preedit_attr);
1310 if (status_attr) XFree (status_attr);
1312 if (Input_Context == NULL)
1314 rxvt_print_error ("failed to create input context");
1315 display->put_xim (input_method);
1319 if (input_style & XIMPreeditArea)
1320 IMSetStatusPosition ();
1322 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1329 int i, found, had_im;
1336 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1340 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1341 if (rs[Rs_imLocale])
1342 SET_LOCALE (rs[Rs_imLocale]);
1345 p = rs[Rs_inputMethod];
1350 s = rxvt_splitcommastring (p);
1351 for (i = 0; s[i]; i++)
1355 STRCPY (buf, "@im=");
1356 STRNCAT (buf, s[i], IMBUFSIZ - 5);
1357 if (IM_get_IC (buf))
1364 for (i = 0; s[i]; i++)
1372 /* try with XMODIFIERS env. var. */
1376 /* try with no modifiers base IF the user didn't specify an IM */
1377 if (IM_get_IC ("@im=none"))
1381 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1382 if (rs[Rs_imLocale])
1383 SET_LOCALE (locale);
1388 rxvt_term::IMSetStatusPosition ()
1390 XRectangle preedit_rect, status_rect, *needed_rect;
1391 XVaNestedList preedit_attr, status_attr;
1393 if (Input_Context == NULL
1394 || !TermWin.focus || ! (input_style & XIMPreeditArea)
1398 /* Getting the necessary width of preedit area */
1399 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1400 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1401 XFree (status_attr);
1403 im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);
1405 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1406 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1408 XSetICValues (Input_Context,
1409 XNPreeditAttributes, preedit_attr,
1410 XNStatusAttributes, status_attr, NULL);
1412 XFree (preedit_attr);
1413 XFree (status_attr);
1415 #endif /* USE_XIM */
1417 /*----------------------------------------------------------------------*/
1418 rxvt_t rxvt_current_term;
1420 /*----------------------- end-of-file (C source) -----------------------*/