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 vector<rxvt_term *> rxvt_term::termlist;
53 static char curlocale[128], savelocale[128];
56 rxvt_set_locale (const char *locale)
58 if (!locale || !strncmp (locale, curlocale, 128))
61 strncpy (curlocale, locale, 128);
62 setlocale (LC_CTYPE, curlocale);
67 rxvt_push_locale (const char *locale)
69 strcpy (savelocale, curlocale);
70 rxvt_set_locale (locale);
76 rxvt_set_locale (savelocale);
80 class rxvt_composite_vec rxvt_composite;
82 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
86 // break compose chains, as stupid readline really likes to duplicate
87 // composing characters for some reason near the end of a line.
91 if (cc->c2 == c2) return c1;
95 // check to see wether this combination already exists otherwise
96 for (cc = v.end (); cc-- > v.begin (); )
98 if (cc->c1 == c1 && cc->c2 == c2)
99 return COMPOSE_LO + (cc - v.begin ());
102 // allocate a new combination
103 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
108 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
110 return REPLACEMENT_CHAR;
113 v.push_back (compose_char (c1, c2));
115 return v.size () - 1 + COMPOSE_LO;
118 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
120 compose_char *cc = (*this)[c];
128 int len = expand (cc->c1, r);
132 if (cc->c2 != NOCHAR)
135 if (r) *r++ = cc->c2;
143 rxvt_term::rxvt_term ()
146 rootwin_ev (this, &rxvt_term::rootwin_cb),
148 #ifdef HAVE_SCROLLBARS
149 scrollbar_ev (this, &rxvt_term::x_cb),
152 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
155 text_blink_ev (this, &rxvt_term::text_blink_cb),
157 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
158 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
160 #ifdef SELECTION_SCROLLING
161 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
163 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
164 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
167 pointer_ev (this, &rxvt_term::pointer_cb),
170 im_ev (this, &rxvt_term::im_cb),
172 termwin_ev (this, &rxvt_term::x_cb),
173 vt_ev (this, &rxvt_term::x_cb),
174 check_ev (this, &rxvt_term::check_cb),
175 flush_ev (this, &rxvt_term::flush_cb),
176 destroy_ev (this, &rxvt_term::destroy_cb),
177 pty_ev (this, &rxvt_term::pty_cb),
178 incr_ev (this, &rxvt_term::incr_cb)
180 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
182 termlist.push_back (this);
184 #ifdef KEYSYM_RESOURCE
185 keyboard = new keyboard_manager;
188 rxvt_fatal ("out of memory, aborting.\n");
192 // clean up the most important stuff, do *not* call x or free mem etc.
193 // for use before an emergency exit
194 void rxvt_term::emergency_cleanup ()
197 kill (-cmd_pid, SIGHUP);
202 rxvt_term::~rxvt_term ()
204 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
206 termlist.erase (find (termlist.begin (), termlist.end(), this));
208 emergency_cleanup ();
211 for (int i = RS_styleCount; --i; )
212 if (fontset[i] != fontset[0])
226 #ifdef XTERM_SCROLLBAR
227 if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
228 if (ShadowGC) XFreeGC (disp, ShadowGC);
230 #ifdef PLAIN_SCROLLBAR
231 if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
233 #ifdef NEXT_SCROLLBAR
234 if (blackGC) XFreeGC (disp, blackGC);
235 if (whiteGC) XFreeGC (disp, whiteGC);
236 if (grayGC) XFreeGC (disp, grayGC);
237 if (darkGC) XFreeGC (disp, darkGC);
238 if (stippleGC) XFreeGC (disp, stippleGC);
239 if (dimple) XFreePixmap (disp, dimple);
240 if (upArrow) XFreePixmap (disp, upArrow);
241 if (downArrow) XFreePixmap (disp, downArrow);
242 if (upArrowHi) XFreePixmap (disp, upArrowHi);
243 if (downArrowHi) XFreePixmap (disp, downArrowHi);
245 #ifdef RXVT_SCROLLBAR
246 if (topShadowGC) XFreeGC (disp, topShadowGC);
247 if (botShadowGC) XFreeGC (disp, botShadowGC);
248 if (scrollbarGC) XFreeGC (disp, scrollbarGC);
250 if (gc) XFreeGC (disp, gc);
253 // destroy all windows
255 XDestroyWindow (disp, parent[0]);
258 // TODO: free pixcolours, colours should become part of rxvt_display
259 delete pix_colors_focused;
261 delete pix_colors_unfocused;
264 displays.put (display);
268 /* clear all resources */
269 for (int i = 0; i < allocated.size (); i++)
270 free (allocated [i]);
272 free (selection.text);
273 // TODO: manage env vars in child only(!)
277 free (env_colorfgbg);
285 #ifdef KEYSYM_RESOURCE
291 rxvt_term::child_exit ()
295 if (!OPTION (Opt_hold))
300 rxvt_term::destroy ()
302 if (destroy_ev.active)
312 im_ev.stop (display);
315 scrollbar_ev.stop (display);
318 rootwin_ev.stop (display);
321 termwin_ev.stop (display);
322 vt_ev.stop (display);
328 cursor_blink_ev.stop ();
331 text_blink_ev.stop ();
333 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
334 cont_scroll_ev.stop ();
336 #ifdef SELECTION_SCROLLING
337 sel_scroll_ev.stop ();
343 destroy_ev.start (0);
347 rxvt_term::destroy_cb (time_watcher &w)
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
359 static XErrorHandler old_xerror_handler;
362 rxvt_emergency_cleanup ()
364 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
365 (*t)->emergency_cleanup ();
370 print_x_error (Display *dpy, XErrorEvent *event)
375 char *mtype = "XlibMessage";
376 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
377 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
378 rxvt_warn ("An X Error occured, trying to continue after report.\n");
379 rxvt_warn ("%s: %s\n", mesg, buffer);
380 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
381 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
382 sprintf(number, "%d", event->request_code);
383 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
384 rxvt_warn ("(which is %s)\n", buffer);
385 if (event->request_code >= 128) {
386 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
388 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
390 if ((event->error_code == BadWindow) ||
391 (event->error_code == BadPixmap) ||
392 (event->error_code == BadCursor) ||
393 (event->error_code == BadFont) ||
394 (event->error_code == BadDrawable) ||
395 (event->error_code == BadColor) ||
396 (event->error_code == BadGC) ||
397 (event->error_code == BadIDChoice) ||
398 (event->error_code == BadValue) ||
399 (event->error_code == BadAtom)) {
400 if (event->error_code == BadValue)
401 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
403 else if (event->error_code == BadAtom)
404 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
407 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
409 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
411 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
413 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
418 rxvt_xerror_handler (Display *display, XErrorEvent *event)
420 if (GET_R->allowedxerror == -1)
421 GET_R->allowedxerror = event->error_code;
424 // GET_R is most likely not the terminal which caused the error,
425 // so just output the error and continue
427 print_x_error (display, event);
429 old_xerror_handler (display, event);
437 rxvt_xioerror_handler (Display *display)
439 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
440 DisplayString (display));
441 rxvt_emergency_cleanup ();
442 _exit (EXIT_FAILURE);
445 /*----------------------------------------------------------------------*/
447 rxvt_term::init (int argc, const char *const *argv)
451 set_environ (envv); // few things in X do not call setlocale :(
458 const char **cmd_argv = init_resources (argc, argv);
460 #ifdef KEYSYM_RESOURCE
461 keyboard->register_done ();
464 #ifdef HAVE_SCROLLBARS
465 if (OPTION (Opt_scrollBar))
466 scrollBar.setIdle (); /* set existence for size calculations */
470 if (!rs[Rs_perl_ext_1])
471 rs[Rs_perl_ext_1] = "default";
473 if ((rs[Rs_perl_ext_1] && *rs[Rs_perl_ext_1])
474 || (rs[Rs_perl_ext_2] && *rs[Rs_perl_ext_2])
475 || (rs[Rs_perl_eval] && *rs[Rs_perl_eval]))
477 rxvt_perl.init (this);
478 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
482 pty = rxvt_new_ptytty ();
484 create_windows (argc, argv);
490 scr_reset (); // initialize screen
493 XSynchronize (disp, True);
496 #ifdef HAVE_SCROLLBARS
497 if (OPTION (Opt_scrollBar))
498 resize_scrollbar (); /* create and map scrollbar */
501 if (OPTION (Opt_transparent))
503 XSelectInput (disp, display->root, PropertyChangeMask);
504 check_our_parents ();
505 rootwin_ev.start (display, display->root);
509 XMapWindow (disp, vt);
510 XMapWindow (disp, parent[0]);
514 init_command (cmd_argv);
519 pty_ev.start (pty->pty, EVENT_READ);
523 HOOK_INVOKE ((this, HOOK_START, DT_END));
528 static struct sig_handlers
530 sig_watcher sw_chld, sw_term, sw_int;
532 void sig_chld (sig_watcher &w)
534 // we are being called for every SIGCHLD, find the corresponding term
537 while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
538 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
539 if (pid == (*t)->cmd_pid)
547 * Catch a fatal signal and tidy up before quitting
550 sig_term (sig_watcher &w)
553 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
555 rxvt_emergency_cleanup ();
556 signal (w.signum, SIG_DFL);
557 kill (getpid (), w.signum);
561 : sw_chld (this, &sig_handlers::sig_chld),
562 sw_term (this, &sig_handlers::sig_term),
563 sw_int (this, &sig_handlers::sig_term)
568 char **rxvt_environ; // startup environment
573 uid_t uid = getuid ();
574 gid_t gid = getgid ();
576 // before doing anything else, check for setuid/setgid operation,
577 // start the helper process and drop privileges
578 if (uid != geteuid ()
579 || gid != getegid ())
582 rxvt_ptytty_server ();
584 rxvt_warn ("running setuid/setgid without pty helper compiled in, continuing unprivileged.\n");
589 setresgid (gid, gid, gid);
590 setresuid (uid, uid, uid);
599 if (uid != geteuid ()
600 || gid != getegid ())
601 rxvt_fatal ("unable to drop privileges, aborting.\n");
604 rxvt_environ = environ;
606 signal (SIGHUP, SIG_IGN);
607 signal (SIGPIPE, SIG_IGN);
609 sig_handlers.sw_chld.start (SIGCHLD);
610 sig_handlers.sw_term.start (SIGTERM);
611 sig_handlers.sw_int.start (SIGINT);
613 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
614 /* signal (SIGURG, SIG_DFL); */
616 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
617 // TODO: handle this with exceptions and tolerate the memory loss
618 XSetIOErrorHandler (rxvt_xioerror_handler);
623 /* ------------------------------------------------------------------------- *
624 * MEMORY ALLOCATION WRAPPERS *
625 * ------------------------------------------------------------------------- */
627 rxvt_malloc (size_t size)
629 void *p = malloc (size);
632 rxvt_fatal ("memory allocation failure. aborting.\n");
638 rxvt_calloc (size_t number, size_t size)
640 void *p = calloc (number, size);
643 rxvt_fatal ("memory allocation failure. aborting.\n");
649 rxvt_realloc (void *ptr, size_t size)
651 void *p = realloc (ptr, size);
654 rxvt_fatal ("memory allocation failure. aborting.\n");
659 /*----------------------------------------------------------------------*/
661 * window size/position calculcations for XSizeHint and other storage.
662 * if width/height are non-zero then override calculated width/height
665 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
667 short recalc_x, recalc_y;
668 int x, y, sb_w, flags;
670 unsigned int max_width, max_height;
673 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
674 ncol, nrow, szHint.width, szHint.height));
676 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
677 szHint.win_gravity = NorthWestGravity;
678 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
680 recalc_x = recalc_y = 0;
683 if (!parsed_geometry)
688 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
690 if (flags & WidthValue)
692 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
693 szHint.flags |= USSize;
696 if (flags & HeightValue)
698 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
699 szHint.flags |= USSize;
705 szHint.flags |= USPosition;
707 if (flags & XNegative)
710 szHint.win_gravity = NorthEastGravity;
717 szHint.flags |= USPosition;
719 if (flags & YNegative)
723 if (szHint.win_gravity == NorthEastGravity)
724 szHint.win_gravity = SouthEastGravity;
726 szHint.win_gravity = SouthWestGravity;
732 width = ncol * fwidth;
733 height = nrow * fheight;
734 max_width = MAX_COLS * fwidth;
735 max_height = MAX_ROWS * fheight;
737 szHint.base_width = szHint.base_height = 2 * int_bwidth;
740 window_vt_x = window_vt_y = int_bwidth;
744 sb_w = scrollbar_TotalWidth ();
745 szHint.base_width += sb_w;
746 if (!OPTION (Opt_scrollBar_right))
750 szHint.width_inc = fwidth;
751 szHint.height_inc = fheight;
752 szHint.min_width = szHint.base_width + szHint.width_inc;
753 szHint.min_height = szHint.base_height + szHint.height_inc;
755 if (newwidth && newwidth - szHint.base_width < max_width)
757 szHint.width = newwidth;
758 width = newwidth - szHint.base_width;
762 min_it (width, max_width);
763 szHint.width = szHint.base_width + width;
766 if (newheight && newheight - szHint.base_height < max_height)
768 szHint.height = newheight;
769 height = newheight - szHint.base_height;
773 min_it (height, max_height);
774 szHint.height = szHint.base_height + height;
777 if (scrollBar.state && OPTION (Opt_scrollBar_right))
778 window_sb_x = szHint.width - sb_w;
781 szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
783 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
785 ncol = width / fwidth;
786 nrow = height / fheight;
787 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
788 ncol, nrow, szHint.width,
793 /*----------------------------------------------------------------------*/
795 * Tell the teletype handler what size the window is.
796 * Called after a window size change.
799 rxvt_term::tt_winch ()
808 ws.ws_xpixel = width;
809 ws.ws_ypixel = height;
810 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
813 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
814 if (cmd_pid) /* force through to the command */
815 kill (-cmd_pid, SIGWINCH);
819 /*----------------------------------------------------------------------*/
820 /* set_fonts () - load and set the various fonts
822 * init = 1 - initialize
824 * fontname == FONT_UP - switch to bigger font
825 * fontname == FONT_DN - switch to smaller font
828 rxvt_term::set_fonts ()
830 rxvt_fontset *fs = new rxvt_fontset (this);
834 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
835 || !fs->realize_font (1))
842 for (int i = RS_styleCount; --i; )
843 if (fontset[i] != fontset[0])
850 prop = (*fs)[1]->properties ();
851 prop.height += lineSpace;
855 fheight = prop.height;
858 for (int style = 1; style < 4; style++)
861 const char *res = rs[Rs_font + style];
864 fontset[style] = fontset[0];
867 fontset[style] = fs = new rxvt_fontset (this);
868 rxvt_fontprop prop2 = prop;
871 prop2.weight = prop2.slant = rxvt_fontprop::unset;
874 res = fontset[0]->fontdesc;
876 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
877 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
881 fs->set_prop (prop2);
884 fontset[style] = fontset[0];
890 resize_all_windows (0, 0, 0);
898 void rxvt_term::set_string_property (Atom prop, const char *str, int len)
900 XChangeProperty (display->display, parent[0],
901 prop, XA_STRING, 8, PropModeReplace,
902 (const unsigned char *)str, len >= 0 ? len : strlen (str));
905 void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
907 wchar_t *ws = rxvt_mbstowcs (str, len);
908 char *s = rxvt_wcstoutf8 (ws);
910 XChangeProperty (display->display, parent[0],
911 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
912 (const unsigned char *)s, strlen (s));
918 /*----------------------------------------------------------------------*/
919 /*----------------------------------------------------------------------*/
920 /* xterm sequences - title, iconName, color (exptl) */
922 rxvt_term::set_title (const char *str)
924 set_string_property (XA_WM_NAME, str);
926 set_utf8_property (xa[XA_NET_WM_NAME], str);
931 rxvt_term::set_icon_name (const char *str)
933 set_string_property (XA_WM_ICON_NAME, str);
935 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
939 #ifdef XTERM_COLOR_CHANGE
941 rxvt_term::set_window_color (int idx, const char *color)
946 if (color == NULL || *color == '\0')
949 /* handle color aliases */
950 if (isdigit (*color))
954 if (i >= 8 && i <= 15)
955 { /* bright colors */
957 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
962 if (i >= 0 && i <= 7)
963 { /* normal colors */
964 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
970 if (!rXParseAllocColor (&xcol, color))
973 /* XStoreColor (display->display, display->cmap, XColor*); */
976 * FIXME: should free colors here, but no idea how to do it so instead,
977 * so just keep gobbling up the colormap
980 for (i = Color_Black; i <= Color_White; i++)
981 if (pix_colors[idx] == pix_colors[i])
985 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
986 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
987 DisplayPlanes (display->display, display->screen));
991 pix_colors_focused[idx] = xcol;
994 /* XSetWindowAttributes attr; */
1000 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
1003 /*TODO: handle Color_BD, scrollbar background, etc. */
1010 # define set_window_color (idx,color) ((void)0)
1011 #endif /* XTERM_COLOR_CHANGE */
1014 rxvt_term::recolour_cursor ()
1018 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
1019 ? pix_colors_focused[Color_pointer_fg]
1020 : pix_colors_focused[Color_fg];
1021 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
1022 ? pix_colors_focused[Color_pointer_bg]
1023 : pix_colors_focused[Color_bg];
1025 XQueryColors (display->display, display->cmap, xcol, 2);
1026 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
1029 /*----------------------------------------------------------------------*/
1031 * find if fg/bg matches any of the normal (low-intensity) colors
1034 rxvt_term::set_colorfgbg ()
1037 const char *xpmb = "\0";
1038 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1040 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1041 strcpy (fstr, "default");
1042 strcpy (bstr, "default");
1043 for (i = Color_Black; i <= Color_White; i++)
1044 if (pix_colors[Color_fg] == pix_colors[i])
1046 sprintf (fstr, "%d", (i - Color_Black));
1050 for (i = Color_Black; i <= Color_White; i++)
1051 if (pix_colors[Color_bg] == pix_colors[i])
1053 sprintf (bstr, "%d", (i - Color_Black));
1054 #ifdef XPM_BACKGROUND
1060 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1063 /*----------------------------------------------------------------------*/
1066 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1068 if (!screen_in_out->set (display, colour))
1070 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1077 /* -------------------------------------------------------------------- *
1078 * - WINDOW RESIZING - *
1079 * -------------------------------------------------------------------- */
1081 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1084 int old_width = szHint.width, old_height = szHint.height;
1087 window_calc (newwidth, newheight);
1088 XSetWMNormalHints (disp, parent[0], &szHint);
1094 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1095 * reposition window on resize depending on placement on screen
1099 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1102 XTranslateCoordinates (disp, parent[0], display->root,
1103 0, 0, &x, &y, &unused_cr);
1104 XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
1105 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1107 * if display->root isn't the parent window, a WM will probably have offset
1108 * our position for handles and decorations. Counter it
1110 if (x1 != x || y1 != y)
1116 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
1117 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1118 dx = old_width - szHint.width;
1119 dy = old_height - szHint.height;
1121 /* Check position of the center of the window */
1122 if (x < x1) /* left half */
1124 else if (x == x1) /* exact center */
1126 if (y < y1) /* top half */
1128 else if (y == y1) /* exact center */
1131 XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
1132 szHint.width, szHint.height);
1134 XResizeWindow (disp, parent[0], szHint.width, szHint.height);
1138 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1140 if (fix_screen || newwidth != old_width || newheight != old_height)
1142 if (scrollBar.state)
1144 XMoveResizeWindow (disp, scrollBar.win,
1146 scrollbar_TotalWidth (), szHint.height);
1147 resize_scrollbar ();
1150 XMoveResizeWindow (disp, vt,
1151 window_vt_x, window_vt_y,
1155 #ifdef XPM_BACKGROUND
1160 if (fix_screen || old_height == 0)
1162 int curr_screen = -1;
1163 int old_ncol = prev_ncol;
1165 /* scr_reset only works on the primary screen */
1166 if (old_height) /* this is not the first time through */
1168 unsigned int ocol = ncol;
1169 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1170 curr_screen = scr_change_screen (PRIMARY);
1176 if (curr_screen >= 0) /* this is not the first time through */
1178 scr_change_screen (curr_screen);
1179 selection_check (old_ncol != ncol ? 4 : 0);
1183 old_width = szHint.width;
1184 old_height = szHint.height;
1186 #ifdef XPM_BACKGROUND
1192 IMSetStatusPosition ();
1197 * Set the width/height of the vt window in characters. Units are pixels.
1198 * good for toggling 80/132 columns
1201 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1203 XWindowAttributes wattr;
1205 if (newwidth == 0 || newheight == 0)
1207 XGetWindowAttributes (display->display, display->root, &wattr);
1210 newwidth = wattr.width - szHint.base_width;
1212 newheight = wattr.height - szHint.base_height;
1215 if (newwidth != width || newheight != height)
1217 newwidth += szHint.base_width;
1218 newheight += szHint.base_height;
1219 resize_all_windows (newwidth, newheight, 0);
1223 /* -------------------------------------------------------------------- *
1224 * - X INPUT METHOD ROUTINES - *
1225 * -------------------------------------------------------------------- */
1229 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1231 fg = pix_colors[Color_fg];
1232 bg = pix_colors[Color_bg];
1236 rxvt_term::im_set_size (XRectangle &size)
1238 // the int_bwidth terms make no sense to me
1239 size.x = int_bwidth;
1240 size.y = int_bwidth;
1241 size.width = Width2Pixel (ncol) + int_bwidth;
1242 size.height = Height2Pixel (nrow) + int_bwidth;
1246 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1247 XRectangle &status_rect,
1248 const XRectangle &needed_rect)
1250 preedit_rect.x = needed_rect.width;
1252 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1253 preedit_rect.height = fheight;
1257 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1258 status_rect.height = fheight;
1261 /* Checking whether input method is running. */
1263 rxvt_term::IMisRunning ()
1268 char server[IMBUFSIZ];
1270 /* get current locale modifier */
1271 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1273 strcpy (server, "@server=");
1274 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1276 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1279 atom = XInternAtom (display->display, server, False);
1280 win = XGetSelectionOwner (display->display, atom);
1290 rxvt_term::IMSendSpot ()
1293 XVaNestedList preedit_attr;
1297 || !(input_style & XIMPreeditPosition))
1300 im_set_position (nspot);
1302 if (nspot.x == spot.x && nspot.y == spot.y)
1307 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1308 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1309 XFree (preedit_attr);
1313 rxvt_term::im_destroy ()
1317 if (Input_Context && input_method->xim)
1318 XDestroyIC (Input_Context);
1320 display->put_xim (input_method);
1328 * Try to open a XIM with the current modifiers, then see if we can
1329 * open a suitable preedit type
1332 rxvt_term::IM_get_IC (const char *modifiers)
1337 XRectangle rect, status_rect, needed_rect;
1338 unsigned long fg, bg;
1341 XIMStyles *xim_styles;
1345 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1348 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1349 input_method = display->get_xim (locale, modifiers);
1350 if (input_method == NULL)
1353 xim = input_method->xim;
1354 spot.x = spot.y = -1;
1357 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1358 || !xim_styles || !xim_styles->count_styles)
1364 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1366 for (int pi = 0; pi < 2; pi++)
1373 s = rxvt_splitcommastring (p);
1375 for (i = found = 0; !found && s[i]; i++)
1377 if (!strcmp (s[i], "OverTheSpot"))
1378 input_style = (XIMPreeditPosition | XIMStatusNothing);
1379 else if (!strcmp (s[i], "OffTheSpot"))
1380 input_style = (XIMPreeditArea | XIMStatusArea);
1381 else if (!strcmp (s[i], "Root"))
1382 input_style = (XIMPreeditNothing | XIMStatusNothing);
1383 else if (!strcmp (s[i], "None"))
1384 input_style = (XIMPreeditNone | XIMStatusNone);
1386 for (j = 0; j < xim_styles->count_styles; j++)
1387 if (input_style == xim_styles->supported_styles[j])
1389 rxvt_freecommastring (s);
1397 rxvt_freecommastring (s);
1411 XVaNestedList preedit_attr = 0, status_attr = 0;
1413 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1415 // fake us a font-set, please
1416 char **missing_charset_list;
1417 int missing_charset_count;
1422 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1423 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1424 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1425 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1426 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1429 fheight + 1, fheight - 1,
1430 fheight - 2, fheight + 2);
1432 fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1433 &missing_charset_list, &missing_charset_count, &def_string);
1435 if (missing_charset_list)
1436 XFreeStringList (missing_charset_list);
1440 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1441 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1445 if (input_style & XIMPreeditPosition)
1448 im_set_position (spot);
1449 im_set_color (fg, bg);
1451 preedit_attr = XVaCreateNestedList (0,
1455 XNSpotLocation, &spot,
1459 else if (input_style & XIMPreeditArea)
1461 im_set_color (fg, bg);
1464 * The necessary width of preedit area is unknown
1465 * until create input context.
1467 needed_rect.width = 0;
1468 im_set_preedit_area (rect, status_rect, needed_rect);
1470 preedit_attr = XVaCreateNestedList (0,
1476 status_attr = XVaCreateNestedList (0,
1479 XNArea, &status_rect,
1484 Input_Context = XCreateIC (xim,
1485 XNInputStyle, input_style,
1487 XNFocusWindow, parent[0],
1488 preedit_attr ? XNPreeditAttributes : NULL,
1490 status_attr ? XNStatusAttributes : NULL,
1493 if (preedit_attr) XFree (preedit_attr);
1494 if (status_attr) XFree (status_attr);
1495 if (fs) XFreeFontSet (display->display, fs);
1497 if (Input_Context == NULL)
1499 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1504 if (input_style & XIMPreeditArea)
1505 IMSetStatusPosition ();
1507 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1523 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1527 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1528 if (rs[Rs_imLocale])
1529 SET_LOCALE (rs[Rs_imLocale]);
1532 p = rs[Rs_inputMethod];
1537 s = rxvt_splitcommastring (p);
1539 for (i = 0; s[i]; i++)
1543 strcpy (buf, "@im=");
1544 strncat (buf, s[i], IMBUFSIZ - 5);
1545 if (IM_get_IC (buf))
1553 rxvt_freecommastring (s);
1559 /* try with XMODIFIERS env. var. */
1563 /* try with no modifiers base IF the user didn't specify an IM */
1564 if (IM_get_IC ("@im=none"))
1568 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1569 if (rs[Rs_imLocale])
1570 SET_LOCALE (locale);
1575 rxvt_term::IMSetStatusPosition ()
1577 XRectangle preedit_rect, status_rect, *needed_rect;
1578 XVaNestedList preedit_attr, status_attr;
1582 || !(input_style & XIMPreeditArea)
1586 /* Getting the necessary width of preedit area */
1587 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1588 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1589 XFree (status_attr);
1591 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1592 XFree (needed_rect);
1594 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1595 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1597 XSetICValues (Input_Context,
1598 XNPreeditAttributes, preedit_attr,
1599 XNStatusAttributes, status_attr, NULL);
1601 XFree (preedit_attr);
1602 XFree (status_attr);
1604 #endif /* USE_XIM */
1606 /*----------------------------------------------------------------------*/
1607 rxvt_t rxvt_current_term;
1609 /*----------------------- end-of-file (C source) -----------------------*/