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 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
170 text_blink_ev (this, &rxvt_term::text_blink_cb),
172 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
173 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
175 #ifdef SELECTION_SCROLLING
176 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
178 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
179 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
182 pointer_ev (this, &rxvt_term::pointer_cb),
185 im_ev (this, &rxvt_term::im_cb),
187 termwin_ev (this, &rxvt_term::x_cb),
188 vt_ev (this, &rxvt_term::x_cb),
189 check_ev (this, &rxvt_term::check_cb),
190 flush_ev (this, &rxvt_term::flush_cb),
191 destroy_ev (this, &rxvt_term::destroy_cb),
192 pty_ev (this, &rxvt_term::pty_cb),
193 incr_ev (this, &rxvt_term::incr_cb)
195 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
197 termlist.push_back (this);
199 #ifdef KEYSYM_RESOURCE
200 keyboard = new keyboard_manager;
203 rxvt_fatal ("out of memory, aborting.\n");
207 // clean up the most important stuff, do *not* call x or free mem etc.
208 // for use before an emergency exit
209 void rxvt_term::emergency_cleanup ()
212 kill (-cmd_pid, SIGHUP);
215 privileged_utmp (RESTORE);
221 rxvt_term::~rxvt_term ()
223 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
225 termlist.erase (find (termlist.begin (), termlist.end(), this));
227 emergency_cleanup ();
230 for (int i = RS_styleCount; --i; )
231 if (fontset[i] != fontset[0])
245 #ifdef XTERM_SCROLLBAR
246 if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
247 if (ShadowGC) XFreeGC (disp, ShadowGC);
249 #ifdef PLAIN_SCROLLBAR
250 if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
252 #ifdef NEXT_SCROLLBAR
253 if (blackGC) XFreeGC (disp, blackGC);
254 if (whiteGC) XFreeGC (disp, whiteGC);
255 if (grayGC) XFreeGC (disp, grayGC);
256 if (darkGC) XFreeGC (disp, darkGC);
257 if (stippleGC) XFreeGC (disp, stippleGC);
258 if (dimple) XFreePixmap (disp, dimple);
259 if (upArrow) XFreePixmap (disp, upArrow);
260 if (downArrow) XFreePixmap (disp, downArrow);
261 if (upArrowHi) XFreePixmap (disp, upArrowHi);
262 if (downArrowHi) XFreePixmap (disp, downArrowHi);
264 #ifdef RXVT_SCROLLBAR
265 if (topShadowGC) XFreeGC (disp, topShadowGC);
266 if (botShadowGC) XFreeGC (disp, botShadowGC);
267 if (scrollbarGC) XFreeGC (disp, scrollbarGC);
269 if (gc) XFreeGC (disp, gc);
272 // destroy all windows
274 XDestroyWindow (disp, parent[0]);
277 // TODO: free pixcolours, colours should become part of rxvt_display
278 delete pix_colors_focused;
280 delete pix_colors_unfocused;
283 displays.put (display);
287 /* clear all resources */
288 for (int i = 0; i < allocated.size (); i++)
289 free (allocated [i]);
291 free (selection.text);
292 // TODO: manage env vars in child only(!)
296 free (env_colorfgbg);
304 #ifdef KEYSYM_RESOURCE
310 rxvt_term::child_exit ()
314 if (!OPTION (Opt_hold))
319 rxvt_term::destroy ()
321 if (destroy_ev.active)
331 im_ev.stop (display);
334 scrollbar_ev.stop (display);
337 rootwin_ev.stop (display);
340 termwin_ev.stop (display);
341 vt_ev.stop (display);
347 cursor_blink_ev.stop ();
350 text_blink_ev.stop ();
352 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
353 cont_scroll_ev.stop ();
355 #ifdef SELECTION_SCROLLING
356 sel_scroll_ev.stop ();
362 destroy_ev.start (0);
366 rxvt_term::destroy_cb (time_watcher &w)
373 /*----------------------------------------------------------------------*/
375 * Exit gracefully, clearing the utmp entry and restoring tty attributes
376 * TODO: if debugging, this should free up any known resources if we can
378 static XErrorHandler old_xerror_handler;
381 rxvt_emergency_cleanup ()
383 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
384 (*t)->emergency_cleanup ();
389 print_x_error (Display *dpy, XErrorEvent *event)
394 char *mtype = "XlibMessage";
395 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
396 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
397 rxvt_warn ("An X Error occured, trying to continue after report.\n");
398 rxvt_warn ("%s: %s\n", mesg, buffer);
399 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
400 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
401 sprintf(number, "%d", event->request_code);
402 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
403 rxvt_warn ("(which is %s)\n", buffer);
404 if (event->request_code >= 128) {
405 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
407 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
409 if ((event->error_code == BadWindow) ||
410 (event->error_code == BadPixmap) ||
411 (event->error_code == BadCursor) ||
412 (event->error_code == BadFont) ||
413 (event->error_code == BadDrawable) ||
414 (event->error_code == BadColor) ||
415 (event->error_code == BadGC) ||
416 (event->error_code == BadIDChoice) ||
417 (event->error_code == BadValue) ||
418 (event->error_code == BadAtom)) {
419 if (event->error_code == BadValue)
420 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
422 else if (event->error_code == BadAtom)
423 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
426 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
428 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
430 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
432 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
437 rxvt_xerror_handler (Display *display, XErrorEvent *event)
439 if (GET_R->allowedxerror == -1)
440 GET_R->allowedxerror = event->error_code;
443 // GET_R is most likely not the terminal which caused the error,
444 // so just output the error and continue
446 print_x_error (display, event);
448 old_xerror_handler (display, event);
456 rxvt_xioerror_handler (Display *display)
458 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
459 DisplayString (display));
460 rxvt_emergency_cleanup ();
461 _exit (EXIT_FAILURE);
464 /*----------------------------------------------------------------------*/
466 rxvt_term::init (int argc, const char *const *argv)
470 set_environ (envv); // few things in X do not call setlocale :(
477 const char **cmd_argv = init_resources (argc, argv);
479 #ifdef KEYSYM_RESOURCE
480 keyboard->register_done ();
483 #ifdef HAVE_SCROLLBARS
484 if (OPTION (Opt_scrollBar))
485 scrollBar.setIdle (); /* set existence for size calculations */
489 if (!rs[Rs_perl_ext_1])
490 rs[Rs_perl_ext_1] = "default";
492 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
493 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
494 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
496 #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
497 // ignore some perl-related arguments if some bozo installed us set[ug]id
500 if ((rs[Rs_perl_lib] && *rs[Rs_perl_lib])
501 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
503 rxvt_warn ("running with elevated privileges: ignoring perl-lib and perl-eval.\n");
505 rs[Rs_perl_eval] = 0;
509 rxvt_perl.init (this);
510 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
514 pty = rxvt_new_ptytty ();
516 create_windows (argc, argv);
522 scr_reset (); // initialize screen
525 XSynchronize (disp, True);
528 #ifdef HAVE_SCROLLBARS
529 if (OPTION (Opt_scrollBar))
530 resize_scrollbar (); /* create and map scrollbar */
533 if (OPTION (Opt_transparent))
535 XSelectInput (disp, display->root, PropertyChangeMask);
536 check_our_parents ();
537 rootwin_ev.start (display, display->root);
541 XMapWindow (disp, vt);
542 XMapWindow (disp, parent[0]);
546 init_command (cmd_argv);
551 pty_ev.start (pty->pty, EVENT_READ);
555 HOOK_INVOKE ((this, HOOK_START, DT_END));
560 static struct sig_handlers
562 sig_watcher sw_chld, sw_term, sw_int;
564 void sig_chld (sig_watcher &w)
566 // we are being called for every SIGCHLD, find the corresponding term
569 while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
570 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
571 if (pid == (*t)->cmd_pid)
579 * Catch a fatal signal and tidy up before quitting
582 sig_term (sig_watcher &w)
585 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
587 rxvt_emergency_cleanup ();
588 signal (w.signum, SIG_DFL);
589 kill (getpid (), w.signum);
593 : sw_chld (this, &sig_handlers::sig_chld),
594 sw_term (this, &sig_handlers::sig_term),
595 sw_int (this, &sig_handlers::sig_term)
600 char **rxvt_environ; // startup environment
605 rxvt_environ = environ;
608 * Save and then give up any super-user privileges
609 * If we need privileges in any area then we must specifically request it.
610 * We should only need to be root in these cases:
611 * 1. write utmp entries on some systems
612 * 2. chown tty on some systems
614 rxvt_privileges (SAVE);
615 rxvt_privileges (IGNORE);
617 signal (SIGHUP, SIG_IGN);
618 signal (SIGPIPE, SIG_IGN);
620 sig_handlers.sw_chld.start (SIGCHLD);
621 sig_handlers.sw_term.start (SIGTERM);
622 sig_handlers.sw_int.start (SIGINT);
624 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
625 /* signal (SIGURG, SIG_DFL); */
627 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
628 // TODO: handle this with exceptions and tolerate the memory loss
629 XSetIOErrorHandler (rxvt_xioerror_handler);
634 /* ------------------------------------------------------------------------- *
635 * MEMORY ALLOCATION WRAPPERS *
636 * ------------------------------------------------------------------------- */
638 rxvt_malloc (size_t size)
640 void *p = malloc (size);
643 rxvt_fatal ("memory allocation failure. aborting.\n");
649 rxvt_calloc (size_t number, size_t size)
651 void *p = calloc (number, size);
654 rxvt_fatal ("memory allocation failure. aborting.\n");
660 rxvt_realloc (void *ptr, size_t size)
662 void *p = realloc (ptr, size);
665 rxvt_fatal ("memory allocation failure. aborting.\n");
670 /* ------------------------------------------------------------------------- *
671 * PRIVILEGED OPERATIONS *
672 * ------------------------------------------------------------------------- */
673 /* take care of suid/sgid super-user (root) privileges */
675 rxvt_privileges (rxvt_privaction action)
677 #if ! defined(__CYGWIN32__)
678 # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
679 /* setreuid () is the poor man's setuid (), seteuid () */
680 # define seteuid(a) setreuid(-1, (a))
681 # define setegid(a) setregid(-1, (a))
682 # define HAVE_SETEUID
689 * change effective uid/gid - not real uid/gid - so we can switch
690 * back to root later, as required
696 saved_egid = getegid ();
697 saved_euid = geteuid ();
700 setegid (saved_egid);
701 seteuid (saved_euid);
720 /*----------------------------------------------------------------------*/
722 * window size/position calculcations for XSizeHint and other storage.
723 * if width/height are non-zero then override calculated width/height
726 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
728 short recalc_x, recalc_y;
729 int x, y, sb_w, flags;
731 unsigned int max_width, max_height;
734 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
735 ncol, nrow, szHint.width, szHint.height));
737 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
738 szHint.win_gravity = NorthWestGravity;
739 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
741 recalc_x = recalc_y = 0;
744 if (!parsed_geometry)
749 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
751 if (flags & WidthValue)
753 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
754 szHint.flags |= USSize;
757 if (flags & HeightValue)
759 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
760 szHint.flags |= USSize;
766 szHint.flags |= USPosition;
768 if (flags & XNegative)
771 szHint.win_gravity = NorthEastGravity;
778 szHint.flags |= USPosition;
780 if (flags & YNegative)
784 if (szHint.win_gravity == NorthEastGravity)
785 szHint.win_gravity = SouthEastGravity;
787 szHint.win_gravity = SouthWestGravity;
793 width = ncol * fwidth;
794 height = nrow * fheight;
795 max_width = MAX_COLS * fwidth;
796 max_height = MAX_ROWS * fheight;
798 szHint.base_width = szHint.base_height = 2 * int_bwidth;
801 window_vt_x = window_vt_y = int_bwidth;
805 sb_w = scrollbar_TotalWidth ();
806 szHint.base_width += sb_w;
807 if (!OPTION (Opt_scrollBar_right))
811 szHint.width_inc = fwidth;
812 szHint.height_inc = fheight;
813 szHint.min_width = szHint.base_width + szHint.width_inc;
814 szHint.min_height = szHint.base_height + szHint.height_inc;
816 if (newwidth && newwidth - szHint.base_width < max_width)
818 szHint.width = newwidth;
819 width = newwidth - szHint.base_width;
823 min_it (width, max_width);
824 szHint.width = szHint.base_width + width;
827 if (newheight && newheight - szHint.base_height < max_height)
829 szHint.height = newheight;
830 height = newheight - szHint.base_height;
834 min_it (height, max_height);
835 szHint.height = szHint.base_height + height;
838 if (scrollBar.state && OPTION (Opt_scrollBar_right))
839 window_sb_x = szHint.width - sb_w;
842 szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
844 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
846 ncol = width / fwidth;
847 nrow = height / fheight;
848 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
849 ncol, nrow, szHint.width,
854 /*----------------------------------------------------------------------*/
856 * Tell the teletype handler what size the window is.
857 * Called after a window size change.
860 rxvt_term::tt_winch ()
869 ws.ws_xpixel = width;
870 ws.ws_ypixel = height;
871 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
874 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
875 if (cmd_pid) /* force through to the command */
876 kill (-cmd_pid, SIGWINCH);
880 /*----------------------------------------------------------------------*/
881 /* set_fonts () - load and set the various fonts
883 * init = 1 - initialize
885 * fontname == FONT_UP - switch to bigger font
886 * fontname == FONT_DN - switch to smaller font
889 rxvt_term::set_fonts ()
891 rxvt_fontset *fs = new rxvt_fontset (this);
895 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
896 || !fs->realize_font (1))
903 for (int i = RS_styleCount; --i; )
904 if (fontset[i] != fontset[0])
911 prop = (*fs)[1]->properties ();
912 prop.height += lineSpace;
916 fheight = prop.height;
919 for (int style = 1; style < 4; style++)
922 const char *res = rs[Rs_font + style];
925 fontset[style] = fontset[0];
928 fontset[style] = fs = new rxvt_fontset (this);
929 rxvt_fontprop prop2 = prop;
932 prop2.weight = prop2.slant = rxvt_fontprop::unset;
935 res = fontset[0]->fontdesc;
937 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
938 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
942 fs->set_prop (prop2);
945 fontset[style] = fontset[0];
951 resize_all_windows (0, 0, 0);
959 void rxvt_term::set_string_property (Atom prop, const char *str, int len)
961 XChangeProperty (display->display, parent[0],
962 prop, XA_STRING, 8, PropModeReplace,
963 (const unsigned char *)str, len >= 0 ? len : strlen (str));
966 void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
968 wchar_t *ws = rxvt_mbstowcs (str, len);
969 char *s = rxvt_wcstoutf8 (ws);
971 XChangeProperty (display->display, parent[0],
972 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
973 (const unsigned char *)s, strlen (s));
979 /*----------------------------------------------------------------------*/
980 /*----------------------------------------------------------------------*/
981 /* xterm sequences - title, iconName, color (exptl) */
983 rxvt_term::set_title (const char *str)
985 set_string_property (XA_WM_NAME, str);
987 set_utf8_property (xa[XA_NET_WM_NAME], str);
992 rxvt_term::set_icon_name (const char *str)
994 set_string_property (XA_WM_ICON_NAME, str);
996 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
1000 #ifdef XTERM_COLOR_CHANGE
1002 rxvt_term::set_window_color (int idx, const char *color)
1007 if (color == NULL || *color == '\0')
1010 /* handle color aliases */
1011 if (isdigit (*color))
1015 if (i >= 8 && i <= 15)
1016 { /* bright colors */
1018 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
1023 if (i >= 0 && i <= 7)
1024 { /* normal colors */
1025 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
1031 if (!rXParseAllocColor (&xcol, color))
1034 /* XStoreColor (display->display, display->cmap, XColor*); */
1037 * FIXME: should free colors here, but no idea how to do it so instead,
1038 * so just keep gobbling up the colormap
1041 for (i = Color_Black; i <= Color_White; i++)
1042 if (pix_colors[idx] == pix_colors[i])
1044 if (i > Color_White)
1046 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
1047 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
1048 DisplayPlanes (display->display, display->screen));
1052 pix_colors_focused[idx] = xcol;
1055 /* XSetWindowAttributes attr; */
1056 /* Cursor cursor; */
1059 #if OFF_FOCUS_FADING
1061 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
1064 /*TODO: handle Color_BD, scrollbar background, etc. */
1071 # define set_window_color (idx,color) ((void)0)
1072 #endif /* XTERM_COLOR_CHANGE */
1075 rxvt_term::recolour_cursor ()
1079 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
1080 ? pix_colors_focused[Color_pointer_fg]
1081 : pix_colors_focused[Color_fg];
1082 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
1083 ? pix_colors_focused[Color_pointer_bg]
1084 : pix_colors_focused[Color_bg];
1086 XQueryColors (display->display, display->cmap, xcol, 2);
1087 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
1090 /*----------------------------------------------------------------------*/
1092 * find if fg/bg matches any of the normal (low-intensity) colors
1095 rxvt_term::set_colorfgbg ()
1098 const char *xpmb = "\0";
1099 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1101 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1102 strcpy (fstr, "default");
1103 strcpy (bstr, "default");
1104 for (i = Color_Black; i <= Color_White; i++)
1105 if (pix_colors[Color_fg] == pix_colors[i])
1107 sprintf (fstr, "%d", (i - Color_Black));
1111 for (i = Color_Black; i <= Color_White; i++)
1112 if (pix_colors[Color_bg] == pix_colors[i])
1114 sprintf (bstr, "%d", (i - Color_Black));
1115 #ifdef XPM_BACKGROUND
1121 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1124 /*----------------------------------------------------------------------*/
1127 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1129 if (!screen_in_out->set (display, colour))
1131 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1138 /* -------------------------------------------------------------------- *
1139 * - WINDOW RESIZING - *
1140 * -------------------------------------------------------------------- */
1142 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1145 int old_width = szHint.width, old_height = szHint.height;
1148 window_calc (newwidth, newheight);
1149 XSetWMNormalHints (disp, parent[0], &szHint);
1155 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1156 * reposition window on resize depending on placement on screen
1160 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1163 XTranslateCoordinates (disp, parent[0], display->root,
1164 0, 0, &x, &y, &unused_cr);
1165 XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
1166 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1168 * if display->root isn't the parent window, a WM will probably have offset
1169 * our position for handles and decorations. Counter it
1171 if (x1 != x || y1 != y)
1177 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
1178 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1179 dx = old_width - szHint.width;
1180 dy = old_height - szHint.height;
1182 /* Check position of the center of the window */
1183 if (x < x1) /* left half */
1185 else if (x == x1) /* exact center */
1187 if (y < y1) /* top half */
1189 else if (y == y1) /* exact center */
1192 XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
1193 szHint.width, szHint.height);
1195 XResizeWindow (disp, parent[0], szHint.width, szHint.height);
1199 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1201 if (fix_screen || newwidth != old_width || newheight != old_height)
1203 if (scrollBar.state)
1205 XMoveResizeWindow (disp, scrollBar.win,
1207 scrollbar_TotalWidth (), szHint.height);
1208 resize_scrollbar ();
1211 XMoveResizeWindow (disp, vt,
1212 window_vt_x, window_vt_y,
1216 #ifdef XPM_BACKGROUND
1221 if (fix_screen || old_height == 0)
1223 int curr_screen = -1;
1224 int old_ncol = prev_ncol;
1226 /* scr_reset only works on the primary screen */
1227 if (old_height) /* this is not the first time through */
1229 unsigned int ocol = ncol;
1230 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1231 curr_screen = scr_change_screen (PRIMARY);
1237 if (curr_screen >= 0) /* this is not the first time through */
1239 scr_change_screen (curr_screen);
1240 selection_check (old_ncol != ncol ? 4 : 0);
1244 old_width = szHint.width;
1245 old_height = szHint.height;
1247 #ifdef XPM_BACKGROUND
1253 IMSetStatusPosition ();
1258 * Set the width/height of the vt window in characters. Units are pixels.
1259 * good for toggling 80/132 columns
1262 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1264 XWindowAttributes wattr;
1266 if (newwidth == 0 || newheight == 0)
1268 XGetWindowAttributes (display->display, display->root, &wattr);
1271 newwidth = wattr.width - szHint.base_width;
1273 newheight = wattr.height - szHint.base_height;
1276 if (newwidth != width || newheight != height)
1278 newwidth += szHint.base_width;
1279 newheight += szHint.base_height;
1280 resize_all_windows (newwidth, newheight, 0);
1284 /* -------------------------------------------------------------------- *
1285 * - X INPUT METHOD ROUTINES - *
1286 * -------------------------------------------------------------------- */
1290 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1292 fg = pix_colors[Color_fg];
1293 bg = pix_colors[Color_bg];
1297 rxvt_term::im_set_size (XRectangle &size)
1299 // the int_bwidth terms make no sense to me
1300 size.x = int_bwidth;
1301 size.y = int_bwidth;
1302 size.width = Width2Pixel (ncol) + int_bwidth;
1303 size.height = Height2Pixel (nrow) + int_bwidth;
1307 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1308 XRectangle &status_rect,
1309 const XRectangle &needed_rect)
1311 preedit_rect.x = needed_rect.width;
1313 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1314 preedit_rect.height = fheight;
1318 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1319 status_rect.height = fheight;
1322 /* Checking whether input method is running. */
1324 rxvt_term::IMisRunning ()
1329 char server[IMBUFSIZ];
1331 /* get current locale modifier */
1332 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1334 strcpy (server, "@server=");
1335 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1337 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1340 atom = XInternAtom (display->display, server, False);
1341 win = XGetSelectionOwner (display->display, atom);
1351 rxvt_term::IMSendSpot ()
1354 XVaNestedList preedit_attr;
1358 || !(input_style & XIMPreeditPosition))
1361 im_set_position (nspot);
1363 if (nspot.x == spot.x && nspot.y == spot.y)
1368 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1369 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1370 XFree (preedit_attr);
1374 rxvt_term::im_destroy ()
1378 if (Input_Context && input_method->xim)
1379 XDestroyIC (Input_Context);
1381 display->put_xim (input_method);
1389 * Try to open a XIM with the current modifiers, then see if we can
1390 * open a suitable preedit type
1393 rxvt_term::IM_get_IC (const char *modifiers)
1398 XRectangle rect, status_rect, needed_rect;
1399 unsigned long fg, bg;
1402 XIMStyles *xim_styles;
1406 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1409 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1410 input_method = display->get_xim (locale, modifiers);
1411 if (input_method == NULL)
1414 xim = input_method->xim;
1415 spot.x = spot.y = -1;
1418 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1419 || !xim_styles || !xim_styles->count_styles)
1425 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1427 for (int pi = 0; pi < 2; pi++)
1434 s = rxvt_splitcommastring (p);
1436 for (i = found = 0; !found && s[i]; i++)
1438 if (!strcmp (s[i], "OverTheSpot"))
1439 input_style = (XIMPreeditPosition | XIMStatusNothing);
1440 else if (!strcmp (s[i], "OffTheSpot"))
1441 input_style = (XIMPreeditArea | XIMStatusArea);
1442 else if (!strcmp (s[i], "Root"))
1443 input_style = (XIMPreeditNothing | XIMStatusNothing);
1444 else if (!strcmp (s[i], "None"))
1445 input_style = (XIMPreeditNone | XIMStatusNone);
1447 for (j = 0; j < xim_styles->count_styles; j++)
1448 if (input_style == xim_styles->supported_styles[j])
1450 rxvt_freecommastring (s);
1458 rxvt_freecommastring (s);
1472 XVaNestedList preedit_attr = 0, status_attr = 0;
1474 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1476 // fake us a font-set, please
1477 char **missing_charset_list;
1478 int missing_charset_count;
1483 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1484 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1485 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1486 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1487 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1490 fheight + 1, fheight - 1,
1491 fheight - 2, fheight + 2);
1493 fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1494 &missing_charset_list, &missing_charset_count, &def_string);
1496 if (missing_charset_list)
1497 XFreeStringList (missing_charset_list);
1501 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1502 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1506 if (input_style & XIMPreeditPosition)
1509 im_set_position (spot);
1510 im_set_color (fg, bg);
1512 preedit_attr = XVaCreateNestedList (0,
1516 XNSpotLocation, &spot,
1520 else if (input_style & XIMPreeditArea)
1522 im_set_color (fg, bg);
1525 * The necessary width of preedit area is unknown
1526 * until create input context.
1528 needed_rect.width = 0;
1529 im_set_preedit_area (rect, status_rect, needed_rect);
1531 preedit_attr = XVaCreateNestedList (0,
1537 status_attr = XVaCreateNestedList (0,
1540 XNArea, &status_rect,
1545 Input_Context = XCreateIC (xim,
1546 XNInputStyle, input_style,
1548 XNFocusWindow, parent[0],
1549 preedit_attr ? XNPreeditAttributes : NULL,
1551 status_attr ? XNStatusAttributes : NULL,
1554 if (preedit_attr) XFree (preedit_attr);
1555 if (status_attr) XFree (status_attr);
1556 if (fs) XFreeFontSet (display->display, fs);
1558 if (Input_Context == NULL)
1560 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1565 if (input_style & XIMPreeditArea)
1566 IMSetStatusPosition ();
1568 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1584 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1588 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1589 if (rs[Rs_imLocale])
1590 SET_LOCALE (rs[Rs_imLocale]);
1593 p = rs[Rs_inputMethod];
1598 s = rxvt_splitcommastring (p);
1600 for (i = 0; s[i]; i++)
1604 strcpy (buf, "@im=");
1605 strncat (buf, s[i], IMBUFSIZ - 5);
1606 if (IM_get_IC (buf))
1614 rxvt_freecommastring (s);
1620 /* try with XMODIFIERS env. var. */
1624 /* try with no modifiers base IF the user didn't specify an IM */
1625 if (IM_get_IC ("@im=none"))
1629 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1630 if (rs[Rs_imLocale])
1631 SET_LOCALE (locale);
1636 rxvt_term::IMSetStatusPosition ()
1638 XRectangle preedit_rect, status_rect, *needed_rect;
1639 XVaNestedList preedit_attr, status_attr;
1643 || !(input_style & XIMPreeditArea)
1647 /* Getting the necessary width of preedit area */
1648 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1649 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1650 XFree (status_attr);
1652 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1653 XFree (needed_rect);
1655 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1656 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1658 XSetICValues (Input_Context,
1659 XNPreeditAttributes, preedit_attr,
1660 XNStatusAttributes, status_attr, NULL);
1662 XFree (preedit_attr);
1663 XFree (status_attr);
1665 #endif /* USE_XIM */
1667 /*----------------------------------------------------------------------*/
1668 rxvt_t rxvt_current_term;
1670 /*----------------------- end-of-file (C source) -----------------------*/