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) 2003-2006 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 */
43 #ifdef TTY_GID_SUPPORT
51 #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
52 static uid_t saved_euid;
53 static gid_t saved_egid;
59 #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
60 return getuid () != saved_euid || getgid () != saved_egid;
66 vector<rxvt_term *> rxvt_term::termlist;
68 static char curlocale[128], savelocale[128];
71 rxvt_set_locale (const char *locale)
73 if (!locale || !strncmp (locale, curlocale, 128))
76 strncpy (curlocale, locale, 128);
77 setlocale (LC_CTYPE, curlocale);
82 rxvt_push_locale (const char *locale)
84 strcpy (savelocale, curlocale);
85 rxvt_set_locale (locale);
91 rxvt_set_locale (savelocale);
95 class rxvt_composite_vec rxvt_composite;
97 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
101 // break compose chains, as stupid readline really likes to duplicate
102 // composing characters for some reason near the end of a line.
106 if (cc->c2 == c2) return c1;
107 cc = (*this)[cc->c1];
110 // check to see wether this combination already exists otherwise
111 for (cc = v.end (); cc-- > v.begin (); )
113 if (cc->c1 == c1 && cc->c2 == c2)
114 return COMPOSE_LO + (cc - v.begin ());
117 // allocate a new combination
118 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
123 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
125 return REPLACEMENT_CHAR;
128 v.push_back (compose_char (c1, c2));
130 return v.size () - 1 + COMPOSE_LO;
133 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
135 compose_char *cc = (*this)[c];
143 int len = expand (cc->c1, r);
147 if (cc->c2 != NOCHAR)
150 if (r) *r++ = cc->c2;
158 rxvt_term::rxvt_term ()
161 rootwin_ev (this, &rxvt_term::rootwin_cb),
163 #ifdef HAVE_SCROLLBARS
164 scrollbar_ev (this, &rxvt_term::x_cb),
167 menubar_ev (this, &rxvt_term::x_cb),
170 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
173 text_blink_ev (this, &rxvt_term::text_blink_cb),
175 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
176 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
178 #ifdef SELECTION_SCROLLING
179 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
181 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
182 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
185 pointer_ev (this, &rxvt_term::pointer_cb),
188 im_ev (this, &rxvt_term::im_cb),
190 termwin_ev (this, &rxvt_term::x_cb),
191 vt_ev (this, &rxvt_term::x_cb),
192 check_ev (this, &rxvt_term::check_cb),
193 flush_ev (this, &rxvt_term::flush_cb),
194 destroy_ev (this, &rxvt_term::destroy_cb),
195 pty_ev (this, &rxvt_term::pty_cb),
196 incr_ev (this, &rxvt_term::incr_cb)
198 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
200 termlist.push_back (this);
202 #ifdef KEYSYM_RESOURCE
203 keyboard = new keyboard_manager;
206 rxvt_fatal ("out of memory, aborting.\n");
210 // clean up the most important stuff, do *not* call x or free mem etc.
211 // for use before an emergency exit
212 void rxvt_term::emergency_cleanup ()
215 kill (-cmd_pid, SIGHUP);
218 privileged_utmp (RESTORE);
224 rxvt_term::~rxvt_term ()
226 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
228 termlist.erase (find (termlist.begin (), termlist.end(), this));
230 emergency_cleanup ();
233 for (int i = RS_styleCount; --i; )
234 if (fontset[i] != fontset[0])
249 if (menubarGC) XFreeGC (disp, menubarGC);
251 #ifdef XTERM_SCROLLBAR
252 if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
253 if (ShadowGC) XFreeGC (disp, ShadowGC);
255 #ifdef PLAIN_SCROLLBAR
256 if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
258 #ifdef NEXT_SCROLLBAR
259 if (blackGC) XFreeGC (disp, blackGC);
260 if (whiteGC) XFreeGC (disp, whiteGC);
261 if (grayGC) XFreeGC (disp, grayGC);
262 if (darkGC) XFreeGC (disp, darkGC);
263 if (stippleGC) XFreeGC (disp, stippleGC);
264 if (dimple) XFreePixmap (disp, dimple);
265 if (upArrow) XFreePixmap (disp, upArrow);
266 if (downArrow) XFreePixmap (disp, downArrow);
267 if (upArrowHi) XFreePixmap (disp, upArrowHi);
268 if (downArrowHi) XFreePixmap (disp, downArrowHi);
270 #if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
271 if (topShadowGC) XFreeGC (disp, topShadowGC);
272 if (botShadowGC) XFreeGC (disp, botShadowGC);
273 if (scrollbarGC) XFreeGC (disp, scrollbarGC);
275 if (gc) XFreeGC (disp, gc);
277 #if defined(MENUBAR) && (MENUBAR_MAX > 1)
278 delete menuBar.drawable;
280 // XDestroyWindow (disp, menuBar.win);
283 // destroy all windows
285 XDestroyWindow (disp, parent[0]);
288 // TODO: free pixcolours, colours should become part of rxvt_display
289 delete pix_colors_focused;
291 delete pix_colors_unfocused;
294 displays.put (display);
298 /* clear all resources */
299 for (int i = 0; i < allocated.size (); i++)
300 free (allocated [i]);
302 free (selection.text);
303 // TODO: manage env vars in child only(!)
307 free (env_colorfgbg);
315 #ifdef KEYSYM_RESOURCE
321 rxvt_term::child_exit ()
325 if (!OPTION (Opt_hold))
330 rxvt_term::destroy ()
332 if (destroy_ev.active)
342 im_ev.stop (display);
345 scrollbar_ev.stop (display);
348 menubar_ev.stop (display);
351 rootwin_ev.stop (display);
354 termwin_ev.stop (display);
355 vt_ev.stop (display);
361 cursor_blink_ev.stop ();
364 text_blink_ev.stop ();
366 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
367 cont_scroll_ev.stop ();
369 #ifdef SELECTION_SCROLLING
370 sel_scroll_ev.stop ();
376 destroy_ev.start (0);
380 rxvt_term::destroy_cb (time_watcher &w)
387 /*----------------------------------------------------------------------*/
389 * Exit gracefully, clearing the utmp entry and restoring tty attributes
390 * TODO: if debugging, this should free up any known resources if we can
392 static XErrorHandler old_xerror_handler;
395 rxvt_emergency_cleanup ()
397 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
398 (*t)->emergency_cleanup ();
403 print_x_error (Display *dpy, XErrorEvent *event)
408 char *mtype = "XlibMessage";
409 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
410 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
411 rxvt_warn ("An X Error occured, trying to continue after report.\n");
412 rxvt_warn ("%s: %s\n", mesg, buffer);
413 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
414 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
415 sprintf(number, "%d", event->request_code);
416 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
417 rxvt_warn ("(which is %s)\n", buffer);
418 if (event->request_code >= 128) {
419 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
421 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
423 if ((event->error_code == BadWindow) ||
424 (event->error_code == BadPixmap) ||
425 (event->error_code == BadCursor) ||
426 (event->error_code == BadFont) ||
427 (event->error_code == BadDrawable) ||
428 (event->error_code == BadColor) ||
429 (event->error_code == BadGC) ||
430 (event->error_code == BadIDChoice) ||
431 (event->error_code == BadValue) ||
432 (event->error_code == BadAtom)) {
433 if (event->error_code == BadValue)
434 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
436 else if (event->error_code == BadAtom)
437 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
440 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
442 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
444 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
446 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
451 rxvt_xerror_handler (Display *display, XErrorEvent *event)
453 if (GET_R->allowedxerror == -1)
454 GET_R->allowedxerror = event->error_code;
457 // GET_R is most likely not the terminal which caused the error,
458 // so just output the error and continue
460 print_x_error (display, event);
462 old_xerror_handler (display, event);
470 rxvt_xioerror_handler (Display *display)
472 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
473 DisplayString (display));
474 rxvt_emergency_cleanup ();
475 _exit (EXIT_FAILURE);
478 /*----------------------------------------------------------------------*/
480 rxvt_term::init (int argc, const char *const *argv)
484 set_environ (envv); // few things in X do not call setlocale :(
491 const char **cmd_argv = init_resources (argc, argv);
493 #ifdef KEYSYM_RESOURCE
494 keyboard->register_done ();
498 menubar_read (rs[Rs_menu]);
500 #ifdef HAVE_SCROLLBARS
501 if (OPTION (Opt_scrollBar))
502 scrollBar.setIdle (); /* set existence for size calculations */
506 if (!rs[Rs_perl_ext_1])
507 rs[Rs_perl_ext_1] = "default";
509 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
510 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
511 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
513 #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
514 // ignore some perl-related arguments if some bozo installed us set[ug]id
517 if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib])
518 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
520 rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n");
522 rs[Rs_perl_eval] = 0;
527 setlocale (LC_CTYPE, curlocale); // perl init destroys current locale
528 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
532 create_windows (argc, argv);
538 scr_reset (); // initialize screen
541 XSynchronize (disp, True);
544 #ifdef HAVE_SCROLLBARS
545 if (OPTION (Opt_scrollBar))
546 resize_scrollbar (); /* create and map scrollbar */
549 if (menubar_visible ())
550 XMapWindow (disp, menuBar.win);
553 if (OPTION (Opt_transparent))
555 XSelectInput (disp, display->root, PropertyChangeMask);
556 check_our_parents ();
557 rootwin_ev.start (display, display->root);
561 XMapWindow (disp, vt);
562 XMapWindow (disp, parent[0]);
566 init_command (cmd_argv);
571 pty_ev.start (pty.pty, EVENT_READ);
575 HOOK_INVOKE ((this, HOOK_START, DT_END));
580 static struct sig_handlers
582 sig_watcher sw_chld, sw_term, sw_int;
584 void sig_chld (sig_watcher &w)
586 // we are being called for every SIGCHLD, find the corresponding term
589 while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
590 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
591 if (pid == (*t)->cmd_pid)
599 * Catch a fatal signal and tidy up before quitting
602 sig_term (sig_watcher &w)
605 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
607 rxvt_emergency_cleanup ();
608 signal (w.signum, SIG_DFL);
609 kill (getpid (), w.signum);
613 : sw_chld (this, &sig_handlers::sig_chld),
614 sw_term (this, &sig_handlers::sig_term),
615 sw_int (this, &sig_handlers::sig_term)
620 char **rxvt_environ; // startup environment
625 rxvt_environ = environ;
628 * Save and then give up any super-user privileges
629 * If we need privileges in any area then we must specifically request it.
630 * We should only need to be root in these cases:
631 * 1. write utmp entries on some systems
632 * 2. chown tty on some systems
634 rxvt_privileges (SAVE);
635 rxvt_privileges (IGNORE);
637 signal (SIGHUP, SIG_IGN);
638 signal (SIGPIPE, SIG_IGN);
640 sig_handlers.sw_chld.start (SIGCHLD);
641 sig_handlers.sw_term.start (SIGTERM);
642 sig_handlers.sw_int.start (SIGINT);
644 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
645 /* signal (SIGURG, SIG_DFL); */
647 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
648 // TODO: handle this with exceptions and tolerate the memory loss
649 XSetIOErrorHandler (rxvt_xioerror_handler);
654 /* ------------------------------------------------------------------------- *
655 * MEMORY ALLOCATION WRAPPERS *
656 * ------------------------------------------------------------------------- */
658 rxvt_malloc (size_t size)
660 void *p = malloc (size);
663 rxvt_fatal ("memory allocation failure. aborting.\n");
669 rxvt_calloc (size_t number, size_t size)
671 void *p = calloc (number, size);
674 rxvt_fatal ("memory allocation failure. aborting.\n");
680 rxvt_realloc (void *ptr, size_t size)
682 void *p = realloc (ptr, size);
685 rxvt_fatal ("memory allocation failure. aborting.\n");
690 /* ------------------------------------------------------------------------- *
691 * PRIVILEGED OPERATIONS *
692 * ------------------------------------------------------------------------- */
693 /* take care of suid/sgid super-user (root) privileges */
695 rxvt_privileges (rxvt_privaction action)
697 #if ! defined(__CYGWIN32__)
698 # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
699 /* setreuid () is the poor man's setuid (), seteuid () */
700 # define seteuid(a) setreuid(-1, (a))
701 # define setegid(a) setregid(-1, (a))
702 # define HAVE_SETEUID
709 * change effective uid/gid - not real uid/gid - so we can switch
710 * back to root later, as required
716 saved_egid = getegid ();
717 saved_euid = geteuid ();
720 setegid (saved_egid);
721 seteuid (saved_euid);
742 rxvt_term::privileged_utmp (rxvt_privaction action)
744 if (OPTION (Opt_utmpInhibit)
745 || !pty.name || !*pty.name)
748 rxvt_privileges (RESTORE);
751 makeutent (pty.name, rs[Rs_display_name]);
755 rxvt_privileges (IGNORE);
759 /*----------------------------------------------------------------------*/
761 * window size/position calculcations for XSizeHint and other storage.
762 * if width/height are non-zero then override calculated width/height
765 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
767 short recalc_x, recalc_y;
768 int x, y, sb_w, mb_h, flags;
770 unsigned int max_width, max_height;
773 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
774 ncol, nrow, szHint.width, szHint.height));
776 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
777 szHint.win_gravity = NorthWestGravity;
778 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
780 recalc_x = recalc_y = 0;
783 if (!parsed_geometry)
788 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
790 if (flags & WidthValue)
792 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
793 szHint.flags |= USSize;
796 if (flags & HeightValue)
798 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
799 szHint.flags |= USSize;
805 szHint.flags |= USPosition;
807 if (flags & XNegative)
810 szHint.win_gravity = NorthEastGravity;
817 szHint.flags |= USPosition;
819 if (flags & YNegative)
823 if (szHint.win_gravity == NorthEastGravity)
824 szHint.win_gravity = SouthEastGravity;
826 szHint.win_gravity = SouthWestGravity;
832 width = ncol * fwidth;
833 height = nrow * fheight;
834 max_width = MAX_COLS * fwidth;
835 max_height = MAX_ROWS * fheight;
837 szHint.base_width = szHint.base_height = 2 * int_bwidth;
840 window_vt_x = window_vt_y = int_bwidth;
842 if (scrollbar_visible ())
844 sb_w = scrollbar_TotalWidth ();
845 szHint.base_width += sb_w;
846 if (!OPTION (Opt_scrollBar_right))
850 if (menubar_visible ())
852 mb_h = menuBar_TotalHeight ();
853 szHint.base_height += mb_h;
857 szHint.width_inc = fwidth;
858 szHint.height_inc = fheight;
859 szHint.min_width = szHint.base_width + szHint.width_inc;
860 szHint.min_height = szHint.base_height + szHint.height_inc;
862 if (newwidth && newwidth - szHint.base_width < max_width)
864 szHint.width = newwidth;
865 width = newwidth - szHint.base_width;
869 min_it (width, max_width);
870 szHint.width = szHint.base_width + width;
873 if (newheight && newheight - szHint.base_height < max_height)
875 szHint.height = newheight;
876 height = newheight - szHint.base_height;
880 min_it (height, max_height);
881 szHint.height = szHint.base_height + height;
884 if (scrollbar_visible () && OPTION (Opt_scrollBar_right))
885 window_sb_x = szHint.width - sb_w;
888 szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
890 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
892 ncol = width / fwidth;
893 nrow = height / fheight;
894 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
895 ncol, nrow, szHint.width,
900 /*----------------------------------------------------------------------*/
902 * Tell the teletype handler what size the window is.
903 * Called after a window size change.
906 rxvt_term::tt_winch ()
915 ws.ws_xpixel = width;
916 ws.ws_ypixel = height;
917 (void)ioctl (pty.pty, TIOCSWINSZ, &ws);
920 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
921 if (cmd_pid) /* force through to the command */
922 kill (-cmd_pid, SIGWINCH);
926 /*----------------------------------------------------------------------*/
927 /* set_fonts () - load and set the various fonts
929 * init = 1 - initialize
931 * fontname == FONT_UP - switch to bigger font
932 * fontname == FONT_DN - switch to smaller font
935 rxvt_term::set_fonts ()
937 rxvt_fontset *fs = new rxvt_fontset (this);
941 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
942 || !fs->realize_font (1))
949 for (int i = RS_styleCount; --i; )
950 if (fontset[i] != fontset[0])
957 prop = (*fs)[1]->properties ();
958 prop.height += lineSpace;
962 fheight = prop.height;
965 for (int style = 1; style < 4; style++)
968 const char *res = rs[Rs_font + style];
971 fontset[style] = fontset[0];
974 fontset[style] = fs = new rxvt_fontset (this);
975 rxvt_fontprop prop2 = prop;
978 prop2.weight = prop2.slant = rxvt_fontprop::unset;
981 res = fontset[0]->fontdesc;
983 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
984 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
988 fs->set_prop (prop2);
991 fontset[style] = fontset[0];
997 resize_all_windows (0, 0, 0);
1005 void rxvt_term::set_string_property (Atom prop, const char *str, int len)
1007 XChangeProperty (display->display, parent[0],
1008 prop, XA_STRING, 8, PropModeReplace,
1009 (const unsigned char *)str, len >= 0 ? len : strlen (str));
1012 void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
1014 wchar_t *ws = rxvt_mbstowcs (str, len);
1015 char *s = rxvt_wcstoutf8 (ws);
1017 XChangeProperty (display->display, parent[0],
1018 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
1019 (const unsigned char *)s, strlen (s));
1025 /*----------------------------------------------------------------------*/
1026 /*----------------------------------------------------------------------*/
1027 /* xterm sequences - title, iconName, color (exptl) */
1029 rxvt_term::set_title (const char *str)
1031 set_string_property (XA_WM_NAME, str);
1033 set_utf8_property (xa[XA_NET_WM_NAME], str);
1038 rxvt_term::set_icon_name (const char *str)
1040 set_string_property (XA_WM_ICON_NAME, str);
1042 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
1046 #ifdef XTERM_COLOR_CHANGE
1048 rxvt_term::set_window_color (int idx, const char *color)
1053 if (color == NULL || *color == '\0')
1056 /* handle color aliases */
1057 if (isdigit (*color))
1061 if (i >= 8 && i <= 15)
1062 { /* bright colors */
1064 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
1069 if (i >= 0 && i <= 7)
1070 { /* normal colors */
1071 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
1077 if (!rXParseAllocColor (&xcol, color))
1080 /* XStoreColor (display->display, display->cmap, XColor*); */
1083 * FIXME: should free colors here, but no idea how to do it so instead,
1084 * so just keep gobbling up the colormap
1087 for (i = Color_Black; i <= Color_White; i++)
1088 if (pix_colors[idx] == pix_colors[i])
1090 if (i > Color_White)
1092 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
1093 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
1094 DisplayPlanes (display->display, display->screen));
1098 pix_colors_focused[idx] = xcol;
1101 /* XSetWindowAttributes attr; */
1102 /* Cursor cursor; */
1105 #if OFF_FOCUS_FADING
1107 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
1110 /*TODO: handle Color_BD, scrollbar background, etc. */
1117 # define set_window_color (idx,color) ((void)0)
1118 #endif /* XTERM_COLOR_CHANGE */
1121 rxvt_term::recolour_cursor ()
1125 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
1126 ? pix_colors_focused[Color_pointer_fg]
1127 : pix_colors_focused[Color_fg];
1128 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
1129 ? pix_colors_focused[Color_pointer_bg]
1130 : pix_colors_focused[Color_bg];
1132 XQueryColors (display->display, display->cmap, xcol, 2);
1133 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
1136 /*----------------------------------------------------------------------*/
1138 * find if fg/bg matches any of the normal (low-intensity) colors
1141 rxvt_term::set_colorfgbg ()
1144 const char *xpmb = "\0";
1145 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1147 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1148 strcpy (fstr, "default");
1149 strcpy (bstr, "default");
1150 for (i = Color_Black; i <= Color_White; i++)
1151 if (pix_colors[Color_fg] == pix_colors[i])
1153 sprintf (fstr, "%d", (i - Color_Black));
1157 for (i = Color_Black; i <= Color_White; i++)
1158 if (pix_colors[Color_bg] == pix_colors[i])
1160 sprintf (bstr, "%d", (i - Color_Black));
1161 #ifdef XPM_BACKGROUND
1167 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1170 /*----------------------------------------------------------------------*/
1173 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1175 if (!screen_in_out->set (display, colour))
1177 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1184 /* -------------------------------------------------------------------- *
1185 * - WINDOW RESIZING - *
1186 * -------------------------------------------------------------------- */
1188 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1191 int old_width = szHint.width, old_height = szHint.height;
1194 window_calc (newwidth, newheight);
1195 XSetWMNormalHints (disp, parent[0], &szHint);
1201 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1202 * reposition window on resize depending on placement on screen
1206 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1209 XTranslateCoordinates (disp, parent[0], display->root,
1210 0, 0, &x, &y, &unused_cr);
1211 XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
1212 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1214 * if display->root isn't the parent window, a WM will probably have offset
1215 * our position for handles and decorations. Counter it
1217 if (x1 != x || y1 != y)
1223 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
1224 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1225 dx = old_width - szHint.width;
1226 dy = old_height - szHint.height;
1228 /* Check position of the center of the window */
1229 if (x < x1) /* left half */
1231 else if (x == x1) /* exact center */
1233 if (y < y1) /* top half */
1235 else if (y == y1) /* exact center */
1238 XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
1239 szHint.width, szHint.height);
1241 XResizeWindow (disp, parent[0], szHint.width, szHint.height);
1245 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1247 if (fix_screen || newwidth != old_width || newheight != old_height)
1249 if (scrollbar_visible ())
1251 XMoveResizeWindow (disp, scrollBar.win,
1253 scrollbar_TotalWidth (), szHint.height);
1254 resize_scrollbar ();
1257 if (menubar_visible ())
1258 XMoveResizeWindow (disp, menuBar.win,
1260 width, menuBar_TotalHeight ());
1262 XMoveResizeWindow (disp, vt,
1263 window_vt_x, window_vt_y,
1267 #ifdef XPM_BACKGROUND
1272 if (fix_screen || old_height == 0)
1274 int curr_screen = -1;
1275 int old_ncol = prev_ncol;
1277 /* scr_reset only works on the primary screen */
1278 if (old_height) /* this is not the first time through */
1280 unsigned int ocol = ncol;
1281 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1282 curr_screen = scr_change_screen (PRIMARY);
1288 if (curr_screen >= 0) /* this is not the first time through */
1290 scr_change_screen (curr_screen);
1291 selection_check (old_ncol != ncol ? 4 : 0);
1295 old_width = szHint.width;
1296 old_height = szHint.height;
1298 #ifdef XPM_BACKGROUND
1304 IMSetStatusPosition ();
1309 * Set the width/height of the vt window in characters. Units are pixels.
1310 * good for toggling 80/132 columns
1313 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1315 XWindowAttributes wattr;
1317 if (newwidth == 0 || newheight == 0)
1319 XGetWindowAttributes (display->display, display->root, &wattr);
1322 newwidth = wattr.width - szHint.base_width;
1324 newheight = wattr.height - szHint.base_height;
1327 if (newwidth != width || newheight != height)
1329 newwidth += szHint.base_width;
1330 newheight += szHint.base_height;
1331 resize_all_windows (newwidth, newheight, 0);
1335 /* -------------------------------------------------------------------- *
1336 * - X INPUT METHOD ROUTINES - *
1337 * -------------------------------------------------------------------- */
1341 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1343 fg = pix_colors[Color_fg];
1344 bg = pix_colors[Color_bg];
1348 rxvt_term::im_set_size (XRectangle &size)
1350 // the int_bwidth terms make no sense to me
1351 size.x = int_bwidth;
1352 size.y = int_bwidth;
1353 size.width = Width2Pixel (ncol) + int_bwidth;
1354 size.height = Height2Pixel (nrow) + int_bwidth;
1358 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1359 XRectangle &status_rect,
1360 const XRectangle &needed_rect)
1362 preedit_rect.x = needed_rect.width;
1364 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1365 preedit_rect.height = fheight;
1369 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1370 status_rect.height = fheight;
1373 /* Checking whether input method is running. */
1375 rxvt_term::IMisRunning ()
1380 char server[IMBUFSIZ];
1382 /* get current locale modifier */
1383 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1385 strcpy (server, "@server=");
1386 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1388 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1391 atom = XInternAtom (display->display, server, False);
1392 win = XGetSelectionOwner (display->display, atom);
1402 rxvt_term::IMSendSpot ()
1405 XVaNestedList preedit_attr;
1409 || !(input_style & XIMPreeditPosition))
1412 im_set_position (nspot);
1414 if (nspot.x == spot.x && nspot.y == spot.y)
1419 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1420 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1421 XFree (preedit_attr);
1425 rxvt_term::im_destroy ()
1429 if (Input_Context && input_method->xim)
1430 XDestroyIC (Input_Context);
1432 display->put_xim (input_method);
1440 * Try to open a XIM with the current modifiers, then see if we can
1441 * open a suitable preedit type
1444 rxvt_term::IM_get_IC (const char *modifiers)
1449 XRectangle rect, status_rect, needed_rect;
1450 unsigned long fg, bg;
1453 XIMStyles *xim_styles;
1457 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1460 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1461 input_method = display->get_xim (locale, modifiers);
1462 if (input_method == NULL)
1465 xim = input_method->xim;
1466 spot.x = spot.y = -1;
1469 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1470 || !xim_styles || !xim_styles->count_styles)
1476 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1478 for (int pi = 0; pi < 2; pi++)
1485 s = rxvt_splitcommastring (p);
1487 for (i = found = 0; !found && s[i]; i++)
1489 if (!strcmp (s[i], "OverTheSpot"))
1490 input_style = (XIMPreeditPosition | XIMStatusNothing);
1491 else if (!strcmp (s[i], "OffTheSpot"))
1492 input_style = (XIMPreeditArea | XIMStatusArea);
1493 else if (!strcmp (s[i], "Root"))
1494 input_style = (XIMPreeditNothing | XIMStatusNothing);
1495 else if (!strcmp (s[i], "None"))
1496 input_style = (XIMPreeditNone | XIMStatusNone);
1498 for (j = 0; j < xim_styles->count_styles; j++)
1499 if (input_style == xim_styles->supported_styles[j])
1501 rxvt_freecommastring (s);
1509 rxvt_freecommastring (s);
1523 XVaNestedList preedit_attr = 0, status_attr = 0;
1525 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1527 // fake us a font-set, please
1528 char **missing_charset_list;
1529 int missing_charset_count;
1534 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1535 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1536 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1537 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1538 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1541 fheight + 1, fheight - 1,
1542 fheight - 2, fheight + 2);
1544 fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1545 &missing_charset_list, &missing_charset_count, &def_string);
1547 if (missing_charset_list)
1548 XFreeStringList (missing_charset_list);
1552 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1553 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1557 if (input_style & XIMPreeditPosition)
1560 im_set_position (spot);
1561 im_set_color (fg, bg);
1563 preedit_attr = XVaCreateNestedList (0,
1567 XNSpotLocation, &spot,
1571 else if (input_style & XIMPreeditArea)
1573 im_set_color (fg, bg);
1576 * The necessary width of preedit area is unknown
1577 * until create input context.
1579 needed_rect.width = 0;
1580 im_set_preedit_area (rect, status_rect, needed_rect);
1582 preedit_attr = XVaCreateNestedList (0,
1588 status_attr = XVaCreateNestedList (0,
1591 XNArea, &status_rect,
1596 Input_Context = XCreateIC (xim,
1597 XNInputStyle, input_style,
1599 XNFocusWindow, parent[0],
1600 preedit_attr ? XNPreeditAttributes : NULL,
1602 status_attr ? XNStatusAttributes : NULL,
1605 if (preedit_attr) XFree (preedit_attr);
1606 if (status_attr) XFree (status_attr);
1607 if (fs) XFreeFontSet (display->display, fs);
1609 if (Input_Context == NULL)
1611 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1616 if (input_style & XIMPreeditArea)
1617 IMSetStatusPosition ();
1619 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1635 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1639 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1640 if (rs[Rs_imLocale])
1641 SET_LOCALE (rs[Rs_imLocale]);
1644 p = rs[Rs_inputMethod];
1649 s = rxvt_splitcommastring (p);
1651 for (i = 0; s[i]; i++)
1655 strcpy (buf, "@im=");
1656 strncat (buf, s[i], IMBUFSIZ - 5);
1657 if (IM_get_IC (buf))
1665 rxvt_freecommastring (s);
1671 /* try with XMODIFIERS env. var. */
1675 /* try with no modifiers base IF the user didn't specify an IM */
1676 if (IM_get_IC ("@im=none"))
1680 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1681 if (rs[Rs_imLocale])
1682 SET_LOCALE (locale);
1687 rxvt_term::IMSetStatusPosition ()
1689 XRectangle preedit_rect, status_rect, *needed_rect;
1690 XVaNestedList preedit_attr, status_attr;
1694 || !(input_style & XIMPreeditArea)
1698 /* Getting the necessary width of preedit area */
1699 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1700 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1701 XFree (status_attr);
1703 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1704 XFree (needed_rect);
1706 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1707 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1709 XSetICValues (Input_Context,
1710 XNPreeditAttributes, preedit_attr,
1711 XNStatusAttributes, status_attr, NULL);
1713 XFree (preedit_attr);
1714 XFree (status_attr);
1716 #endif /* USE_XIM */
1718 /*----------------------------------------------------------------------*/
1719 rxvt_t rxvt_current_term;
1721 /*----------------------- end-of-file (C source) -----------------------*/