1 /*--------------------------------*-C-*---------------------------------*;
3 *----------------------------------------------------------------------*
5 * All portions of code are copyright by their respective author/s.
6 * Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk>
8 * Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com>
9 * - extensive modifications
10 * Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com>
11 * Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA>
12 * - extensive modifications
13 * Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de>
14 * Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com>
15 * - extensive modifications
16 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *---------------------------------------------------------------------*/
33 #include "../config.h" /* NECESSARY */
34 #include "rxvt.h" /* NECESSARY */
35 #include "main.intpro" /* PROTOS for internal routines */
39 #ifdef TTY_GID_SUPPORT
49 static char curlocale[128];
52 rxvt_set_locale (const char *locale)
54 if (locale && STRNCMP (locale, curlocale, 128))
56 STRNCPY (curlocale, locale, 128);
57 setlocale (LC_CTYPE, curlocale);
62 class rxvt_composite_vec rxvt_composite;
64 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
68 // break compose chains, as stupid readline really likes to duplicate
69 // composing characters for some reason near the end of a line.
73 if (cc->c2 == c2) return c1;
77 // check to see wether this combination already exists otherwise
78 for (cc = v.end (); cc-- > v.begin (); )
80 if (cc->c1 == c1 && cc->c2 == c2)
81 return COMPOSE_LO + (cc - v.begin ());
84 // allocate a new combination
85 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
90 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
92 return REPLACEMENT_CHAR;
95 v.push_back (compose_char (c1, c2));
97 return v.size () - 1 + COMPOSE_LO;
100 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
102 compose_char *cc = (*this)[c];
110 int len = expand (cc->c1, r);
114 if (cc->c2 != NOCHAR)
117 if (r) *r++ = cc->c2;
126 rxvt_term::operator new (size_t s)
128 void *p = malloc (s);
135 rxvt_term::operator delete (void *p, size_t s)
140 rxvt_term::rxvt_term ()
142 rootwin_ev (this, &rxvt_term::rootwin_cb),
143 termwin_ev (this, &rxvt_term::x_cb),
144 vt_ev (this, &rxvt_term::x_cb),
145 #ifdef HAVE_SCROLLBARS
146 scrollbar_ev (this, &rxvt_term::x_cb),
149 menubar_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),
158 pointer_ev (this, &rxvt_term::pointer_cb),
161 im_ev (this, &rxvt_term::im_cb),
163 check_ev (this, &rxvt_term::check_cb),
164 destroy_ev (this, &rxvt_term::destroy_cb),
165 pty_ev (this, &rxvt_term::pty_cb),
166 incr_ev (this, &rxvt_term::incr_cb)
168 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
171 rxvt_term::~rxvt_term ()
176 #ifndef NO_SETOWNER_TTYDEV
177 privileged_ttydev (RESTORE);
180 privileged_utmp (RESTORE);
183 delete TermWin.fontset;
190 if (menubarGC) XFreeGC (display->display, menubarGC);
192 #ifdef XTERM_SCROLLBAR
193 if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
194 if (ShadowGC) XFreeGC (display->display, ShadowGC);
196 #ifdef PLAIN_SCROLLBAR
197 if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
199 #ifdef NEXT_SCROLLBAR
200 if (blackGC) XFreeGC (display->display, blackGC);
201 if (whiteGC) XFreeGC (display->display, whiteGC);
202 if (grayGC) XFreeGC (display->display, grayGC);
203 if (darkGC) XFreeGC (display->display, darkGC);
204 if (stippleGC) XFreeGC (display->display, stippleGC);
205 if (dimple) XFreePixmap (display->display, dimple);
206 if (upArrow) XFreePixmap (display->display, upArrow);
207 if (downArrow) XFreePixmap (display->display, downArrow);
208 if (upArrowHi) XFreePixmap (display->display, upArrowHi);
209 if (downArrowHi) XFreePixmap (display->display, downArrowHi);
211 #if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
212 if (topShadowGC) XFreeGC (display->display, topShadowGC);
213 if (botShadowGC) XFreeGC (display->display, botShadowGC);
214 if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
216 if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
218 #if defined(MENUBAR) && (MENUBAR_MAX > 1)
219 delete menuBar.drawable;
221 // XDestroyWindow (display->display, menuBar.win);
223 delete TermWin.drawable;
224 // destroy all windows
225 if (TermWin.parent[0])
226 XDestroyWindow (display->display, TermWin.parent[0]);
229 // TODO: free pixcolours, colours should become part of rxvt_display
233 displays.put (display);
237 /* clear all resources */
238 for (int i = 0; i < allocated.size (); i++)
241 free (selection.text);
242 // TODO: manage env vars in child only(!)
246 free (env_colorfgbg);
257 rxvt_term::destroy ()
261 rootwin_ev.stop (display);
262 termwin_ev.stop (display);
263 vt_ev.stop (display);
266 im_ev.stop (display);
268 #ifdef HAVE_SCROLLBARS
269 scrollbar_ev.stop (display);
272 menubar_ev.stop (display);
279 cursor_blink_ev.stop ();
282 text_blink_ev.stop ();
288 destroy_ev.start (0);
292 rxvt_term::destroy_cb (time_watcher &w)
299 /*----------------------------------------------------------------------*/
302 rxvt_term::init (int argc, const char *const *argv)
310 * Save and then give up any super-user privileges
311 * If we need privileges in any area then we must specifically request it.
312 * We should only need to be root in these cases:
313 * 1. write utmp entries on some systems
314 * 2. chown tty on some systems
321 const char **cmd_argv = init_resources (argc, argv);
326 menubar_read (rs[Rs_menu]);
328 #ifdef HAVE_SCROLLBARS
329 if (Options & Opt_scrollBar)
330 scrollBar.setIdle (); /* set existence for size calculations */
333 create_windows (argc, argv);
337 scr_reset (); /* initialize screen */
340 XSynchronize (display->display, True);
343 #ifdef HAVE_SCROLLBARS
344 if (Options & Opt_scrollBar)
345 resize_scrollbar (); /* create and map scrollbar */
348 if (menubar_visible ())
349 XMapWindow (display->display, menuBar.win);
352 if (Options & Opt_transparent)
354 XSelectInput (display->display, display->root, PropertyChangeMask);
355 check_our_parents ();
359 rootwin_ev.start (display, display->root);
361 XMapWindow (display->display, TermWin.vt);
362 XMapWindow (display->display, TermWin.parent[0]);
364 init_command (cmd_argv);
366 pty_ev.start (cmd_fd, EVENT_READ);
373 static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
378 /* install exit handler for cleanup */
381 atexit (rxvt_clean_exit);
388 sigfillset (&sa.sa_mask);
389 sa.sa_flags = SA_NOCLDSTOP | SA_RESTART;
390 sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0);
391 sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0);
392 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0);
393 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0);
394 sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0);
395 sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0);
397 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
398 /* signal (SIGURG, SIG_DFL); */
400 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
401 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
404 /* ------------------------------------------------------------------------- *
405 * SIGNAL HANDLING & EXIT HANDLER *
406 * ------------------------------------------------------------------------- */
408 * Catch a SIGCHLD signal and exit if the direct child has died
413 rxvt_Child_signal (int sig __attribute__ ((unused)))
415 int pid, save_errno = errno;
416 while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR)
427 * Catch a fatal signal and tidy up before quitting
431 rxvt_Exit_signal (int sig)
433 signal (sig, SIG_DFL);
435 rxvt_warn ("caught signal %d, exiting.\n", sig);
438 kill (getpid (), sig);
443 rxvt_xerror_handler (Display *display, XErrorEvent *event)
445 if (GET_R->allowedxerror == -1)
446 GET_R->allowedxerror = event->error_code;
449 old_xerror_handler (display, event);
456 /*----------------------------------------------------------------------*/
458 * Exit gracefully, clearing the utmp entry and restoring tty attributes
459 * TODO: if debugging, this should free up any known resources if we can
465 // TODO: rxvtd should clean up all ressources
470 /* ------------------------------------------------------------------------- *
471 * MEMORY ALLOCATION WRAPPERS *
472 * ------------------------------------------------------------------------- */
475 rxvt_malloc (size_t size)
483 fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
491 rxvt_calloc (size_t number, size_t size)
495 p = calloc (number, size);
499 fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
507 rxvt_realloc (void *ptr, size_t size)
512 p = realloc (ptr, size);
518 fprintf (stderr, RESNAME ": memory allocation failure. Aborting");
524 /* ------------------------------------------------------------------------- *
525 * PRIVILEGED OPERATIONS *
526 * ------------------------------------------------------------------------- */
527 /* take care of suid/sgid super-user (root) privileges */
529 rxvt_term::privileges (int mode)
531 #if ! defined(__CYGWIN32__)
532 # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
533 /* setreuid () is the poor man's setuid (), seteuid () */
534 # define seteuid(a) setreuid(-1, (a))
535 # define setegid(a) setregid(-1, (a))
536 # define HAVE_SETEUID
543 * change effective uid/gid - not real uid/gid - so we can switch
544 * back to root later, as required
576 rxvt_term::privileged_utmp (char action)
578 D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)",
579 action, next_utmp_action, getpid ()));
580 if (next_utmp_action != action || (action != SAVE && action != RESTORE)
581 || (Options & Opt_utmpInhibit)
582 || ttydev == NULL || *ttydev == '\0')
585 privileges (RESTORE);
588 next_utmp_action = RESTORE;
589 makeutent (ttydev, rs[Rs_display_name]);
592 { /* action == RESTORE */
593 next_utmp_action = IGNORE;
600 #ifndef NO_SETOWNER_TTYDEV
602 rxvt_term::privileged_ttydev (char action)
605 "privileged_ttydev (%c); waiting for: %c (pid: %d)",
606 action, next_tty_action, getpid ()));
607 if (next_tty_action != action || (action != SAVE && action != RESTORE)
608 || ttydev == NULL || *ttydev == '\0')
611 privileges (RESTORE);
615 next_tty_action = RESTORE;
616 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
617 /* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */
618 if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */
619 next_tty_action = IGNORE;
624 chown (ttydev, getuid (), ttygid); /* fail silently */
625 chmod (ttydev, ttymode);
633 { /* action == RESTORE */
634 next_tty_action = IGNORE;
635 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
636 chmod (ttydev, ttyfd_stat.st_mode);
637 chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid);
640 (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH));
641 chown (ttydev, 0, 0);
648 # ifndef RESET_TTY_TO_COMMON_DEFAULTS
649 D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d",
650 action == RESTORE ? "Restoring" : (action ==
652 "UNKNOWN ERROR for"), ttydev,
653 ttyfd_stat.st_mode, ttyfd_stat.st_uid,
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 width, unsigned int height)
667 short recalc_x, recalc_y;
668 int x, y, sb_w, mb_h, flags;
670 unsigned int max_width, max_height;
672 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
673 TermWin.ncol, TermWin.nrow, szHint.width,
675 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
676 szHint.win_gravity = NorthWestGravity;
677 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
679 recalc_x = recalc_y = 0;
681 if (!parsed_geometry)
685 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
686 if (flags & WidthValue)
688 TermWin.ncol = BOUND_POSITIVE_INT16 (w);
689 szHint.flags |= USSize;
691 if (flags & HeightValue)
693 TermWin.nrow = BOUND_POSITIVE_INT16 (h);
694 szHint.flags |= USSize;
699 szHint.flags |= USPosition;
700 if (flags & XNegative)
703 szHint.win_gravity = NorthEastGravity;
709 szHint.flags |= USPosition;
710 if (flags & YNegative)
713 if (szHint.win_gravity == NorthEastGravity)
714 szHint.win_gravity = SouthEastGravity;
716 szHint.win_gravity = SouthWestGravity;
722 TermWin.width = TermWin.ncol * TermWin.fwidth;
723 TermWin.height = TermWin.nrow * TermWin.fheight;
724 max_width = MAX_COLS * TermWin.fwidth;
725 max_height = MAX_ROWS * TermWin.fheight;
727 szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
730 window_vt_x = window_vt_y = 0;
731 if (scrollbar_visible ())
733 sb_w = scrollbar_TotalWidth ();
734 szHint.base_width += sb_w;
735 if (! (Options & Opt_scrollBar_right))
738 if (menubar_visible ())
740 mb_h = menuBar_TotalHeight ();
741 szHint.base_height += mb_h;
744 szHint.width_inc = TermWin.fwidth;
745 szHint.height_inc = TermWin.fheight;
746 szHint.min_width = szHint.base_width + szHint.width_inc;
747 szHint.min_height = szHint.base_height + szHint.height_inc;
749 if (width && width - szHint.base_width < max_width)
751 szHint.width = width;
752 TermWin.width = width - szHint.base_width;
756 MIN_IT (TermWin.width, max_width);
757 szHint.width = szHint.base_width + TermWin.width;
759 if (height && height - szHint.base_height < max_height)
761 szHint.height = height;
762 TermWin.height = height - szHint.base_height;
766 MIN_IT (TermWin.height, max_height);
767 szHint.height = szHint.base_height + TermWin.height;
769 if (scrollbar_visible () && (Options & Opt_scrollBar_right))
770 window_sb_x = szHint.width - sb_w;
773 szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
774 - szHint.width - 2 * TermWin.ext_bwidth);
776 szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
777 - szHint.height - 2 * TermWin.ext_bwidth);
779 TermWin.ncol = TermWin.width / TermWin.fwidth;
780 TermWin.nrow = TermWin.height / TermWin.fheight;
781 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
782 TermWin.ncol, TermWin.nrow, szHint.width,
787 /*----------------------------------------------------------------------*/
789 * Tell the teletype handler what size the window is.
790 * Called after a window size change.
793 rxvt_term::tt_winch ()
800 ws.ws_col = TermWin.ncol;
801 ws.ws_row = TermWin.nrow;
802 ws.ws_xpixel = ws.ws_ypixel = 0;
804 (void)ioctl (cmd_fd, TIOCSWINSZ, &ws);
806 if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0)
807 D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd));
809 else if (cmd_pid) /* force through to the command */
810 kill (cmd_pid, SIGWINCH);
815 /*----------------------------------------------------------------------*/
816 /* rxvt_change_font () - Switch to a new font */
818 * init = 1 - initialize
820 * fontname == FONT_UP - switch to bigger font
821 * fontname == FONT_DN - switch to smaller font
824 rxvt_term::change_font (const char *fontname)
826 if (fontname == FONT_UP)
830 else if (fontname == FONT_DN)
836 rxvt_fontset *fs = new rxvt_fontset (this);
838 if (fs && fs->populate (fontname ? fontname : "fixed"))
840 delete TermWin.fontset;
841 TermWin.fontset = fs;
842 TermWin.fwidth = fs->base_font ()->width;
843 TermWin.fheight = fs->base_font ()->height;
844 TermWin.fbase = fs->base_font ()->ascent;
846 if (TermWin.parent[0])
848 resize_all_windows (0, 0, 0);
861 rxvt_term::font_up_down (int n, int direction)
866 /*----------------------------------------------------------------------*/
867 /*----------------------------------------------------------------------*/
868 /* xterm sequences - title, iconName, color (exptl) */
870 rxvt_term::set_title (const char *str)
872 #ifndef SMART_WINDOW_TITLE
873 XStoreName (display->display, TermWin.parent[0], str);
877 if (!XFetchName (display->display, TermWin.parent[0], &name))
880 if (name == NULL || STRCMP (name, str))
881 XStoreName (display->display, TermWin.parent[0], str);
889 rxvt_term::set_icon_name (const char *str)
891 #ifndef SMART_WINDOW_TITLE
892 XSetIconName (display->display, TermWin.parent[0], str);
896 if (!XGetIconName (display->display, TermWin.parent[0], &name))
899 if (name == NULL || STRCMP (name, str))
900 XSetIconName (display->display, TermWin.parent[0], str);
907 #ifdef XTERM_COLOR_CHANGE
909 rxvt_term::set_window_color (int idx, const char *color)
914 if (color == NULL || *color == '\0')
917 /* handle color aliases */
918 if (isdigit (*color))
921 if (i >= 8 && i <= 15)
922 { /* bright colors */
924 # ifndef NO_BRIGHTCOLOR
925 PixColors[idx] = PixColors[minBrightCOLOR + i];
931 if (i >= 0 && i <= 7)
932 { /* normal colors */
933 PixColors[idx] = PixColors[minCOLOR + i];
938 if (!rXParseAllocColor (& xcol, color))
940 /* XStoreColor (display->display, XCMAP, XColor*); */
943 * FIXME: should free colors here, but no idea how to do it so instead,
944 * so just keep gobbling up the colormap
947 for (i = Color_Black; i <= Color_White; i++)
948 if (PixColors[idx] == PixColors[i])
952 /* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */
953 XFreeColors (display->display, XCMAP, (PixColors + idx), 1,
954 DisplayPlanes (display->display, display->screen));
958 PixColors[idx] = xcol;
961 /* XSetWindowAttributes attr; */
964 if (idx == Color_bg && ! (Options & Opt_transparent))
965 XSetWindowBackground (display->display, TermWin.vt,
966 PixColors[Color_bg]);
968 /* handle Color_BD, scrollbar background, etc. */
972 /* the only reasonable way to enforce a clean update */
977 # define set_window_color (idx,color) ((void)0)
978 #endif /* XTERM_COLOR_CHANGE */
981 rxvt_term::recolour_cursor ()
986 xcol[0] = PixColors[Color_pointer];
987 xcol[1] = PixColors[Color_bg];
988 XQueryColors (display->display, XCMAP, xcol, 2);
989 XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1]));
993 /*----------------------------------------------------------------------*/
995 * find if fg/bg matches any of the normal (low-intensity) colors
998 rxvt_term::set_colorfgbg ()
1001 const char *xpmb = "\0";
1002 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1005 (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1006 STRCPY (fstr, "default");
1007 STRCPY (bstr, "default");
1008 for (i = Color_Black; i <= Color_White; i++)
1009 if (PixColors[Color_fg] == PixColors[i])
1011 sprintf (fstr, "%d", (i - Color_Black));
1014 for (i = Color_Black; i <= Color_White; i++)
1015 if (PixColors[Color_bg] == PixColors[i])
1017 sprintf (bstr, "%d", (i - Color_Black));
1018 #ifdef XPM_BACKGROUND
1024 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1026 #ifndef NO_BRIGHTCOLOR
1027 colorfgbg = DEFAULT_RSTYLE;
1028 for (i = minCOLOR; i <= maxCOLOR; i++)
1030 if (PixColors[Color_fg] == PixColors[i])
1031 colorfgbg = SET_FGCOLOR (colorfgbg, i);
1032 if (PixColors[Color_bg] == PixColors[i])
1033 colorfgbg = SET_BGCOLOR (colorfgbg, i);
1038 /*----------------------------------------------------------------------*/
1040 * Colour determination for low colour displays, routine from
1041 * Hans de Goede <hans@highrise.nl>
1045 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1047 if (!screen_in_out->set (display, colour))
1049 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1056 /* -------------------------------------------------------------------- *
1057 * - WINDOW RESIZING - *
1058 * -------------------------------------------------------------------- */
1060 rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
1065 int old_width = szHint.width, old_height = szHint.height;
1068 window_calc (width, height);
1069 XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
1074 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1075 * reposition window on resize depending on placement on screen
1079 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1082 XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
1083 0, 0, &x, &y, &unused_cr);
1084 XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
1085 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1087 * if display->root isn't the parent window, a WM will probably have offset
1088 * our position for handles and decorations. Counter it
1090 if (x1 != x || y1 != y)
1096 x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
1097 y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
1098 dx = old_width - szHint.width;
1099 dy = old_height - szHint.height;
1101 /* Check position of the center of the window */
1102 if (x < x1) /* left half */
1104 else if (x == x1) /* exact center */
1106 if (y < y1) /* top half */
1108 else if (y == y1) /* exact center */
1111 XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
1112 szHint.width, szHint.height);
1114 XResizeWindow (display->display, TermWin.parent[0], szHint.width,
1120 fix_screen = (TermWin.ncol != prev_ncol
1121 || TermWin.nrow != prev_nrow);
1123 if (fix_screen || width != old_width || height != old_height)
1125 if (scrollbar_visible ())
1127 XMoveResizeWindow (display->display, scrollBar.win, window_sb_x,
1128 0, scrollbar_TotalWidth (), szHint.height);
1129 resize_scrollbar ();
1132 if (menubar_visible ())
1133 XMoveResizeWindow (display->display, menuBar.win, window_vt_x,
1134 0, TermWin_TotalWidth (), menuBar_TotalHeight ());
1136 XMoveResizeWindow (display->display, TermWin.vt, window_vt_x,
1137 window_vt_y, TermWin_TotalWidth (),
1138 TermWin_TotalHeight ());
1139 scr_clear (height != old_height);
1140 #ifdef XPM_BACKGROUND
1146 if (fix_screen || old_height == 0)
1148 int curr_screen = -1;
1149 int old_ncol = prev_ncol;
1151 /* scr_reset only works on the primary screen */
1152 if (old_height) /* this is not the first time through */
1154 unsigned int ncol = TermWin.ncol;
1155 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1156 curr_screen = scr_change_screen (PRIMARY);
1157 TermWin.ncol = ncol;
1162 if (curr_screen >= 0) /* this is not the first time through */
1164 scr_change_screen (curr_screen);
1165 selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1169 old_width = szHint.width;
1170 old_height = szHint.height;
1173 IMSetStatusPosition ();
1178 * Set the width/height of the vt window in characters. Units are pixels.
1179 * good for toggling 80/132 columns
1182 rxvt_term::set_widthheight (unsigned int width, unsigned int height)
1184 XWindowAttributes wattr;
1186 if (width == 0 || height == 0)
1188 XGetWindowAttributes (display->display, display->root, &wattr);
1190 width = wattr.width - szHint.base_width;
1192 height = wattr.height - szHint.base_height;
1194 if (width != TermWin.width || height != TermWin.height)
1196 width += szHint.base_width;
1197 height += szHint.base_height;
1198 resize_all_windows (width, height, 0);
1202 /* -------------------------------------------------------------------- *
1203 * - X INPUT METHOD ROUTINES - *
1204 * -------------------------------------------------------------------- */
1208 rxvt_term::im_set_size (XRectangle *size)
1210 size->x = TermWin.int_bwidth;
1211 size->y = TermWin.int_bwidth;
1212 size->width = Width2Pixel (TermWin.ncol);
1213 size->height = Height2Pixel (TermWin.nrow);
1217 rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg)
1219 *fg = PixColors[Color_fg];
1220 *bg = PixColors[Color_bg];
1223 /* Checking whether input method is running. */
1225 rxvt_term::IMisRunning ()
1230 char server[IMBUFSIZ];
1232 /* get current locale modifier */
1233 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1235 STRCPY (server, "@server=");
1236 STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1237 if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */
1240 atom = XInternAtom (display->display, server, False);
1241 win = XGetSelectionOwner (display->display, atom);
1249 rxvt_term::IMSendSpot ()
1252 XVaNestedList preedit_attr;
1254 if (Input_Context == NULL
1255 || !TermWin.focus || ! (input_style & XIMPreeditPosition)
1256 || ! (event_type == KeyPress
1257 || event_type == Expose
1258 || event_type == NoExpose
1259 || event_type == SelectionNotify
1260 || event_type == ButtonRelease || event_type == FocusIn)
1264 im_set_position (&spot);
1266 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1267 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1268 XFree (preedit_attr);
1272 rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect,
1273 XRectangle * needed_rect)
1277 if (scrollbar_visible () && ! (Options & Opt_scrollBar_right))
1278 vtx = scrollbar_TotalWidth ();
1280 mbh = menubar_visible () ? menuBar_TotalHeight () : 0;
1281 mbh -= TermWin.lineSpace;
1283 preedit_rect->x = needed_rect->width + vtx;
1284 preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1286 preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx;
1287 preedit_rect->height = Height2Pixel (1);
1289 status_rect->x = vtx;
1290 status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh;
1292 status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1);
1293 status_rect->height = Height2Pixel (1);
1297 rxvt_term::im_destroy ()
1301 XDestroyIC (Input_Context);
1302 Input_Context = NULL;
1307 display->put_xim (input_method);
1313 * Try to open a XIM with the current modifiers, then see if we can
1314 * open a suitable preedit type
1317 rxvt_term::IM_get_IC (const char *modifiers)
1322 XRectangle rect, status_rect, needed_rect;
1323 unsigned long fg, bg;
1326 XIMStyles *xim_styles;
1327 XVaNestedList preedit_attr, status_attr;
1329 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1332 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1333 input_method = display->get_xim (locale, modifiers);
1334 if (input_method == NULL)
1337 xim = input_method->xim;
1340 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1341 || !xim_styles || !xim_styles->count_styles)
1343 display->put_xim (input_method);
1347 p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root";
1348 s = rxvt_splitcommastring (p);
1349 for (i = found = 0; !found && s[i]; i++)
1351 if (!STRCMP (s[i], "OverTheSpot"))
1352 input_style = (XIMPreeditPosition | XIMStatusNothing);
1353 else if (!STRCMP (s[i], "OffTheSpot"))
1354 input_style = (XIMPreeditArea | XIMStatusArea);
1355 else if (!STRCMP (s[i], "Root"))
1356 input_style = (XIMPreeditNothing | XIMStatusNothing);
1358 for (j = 0; j < xim_styles->count_styles; j++)
1359 if (input_style == xim_styles->supported_styles[j])
1366 for (i = 0; s[i]; i++)
1374 display->put_xim (input_method);
1378 preedit_attr = status_attr = NULL;
1380 if (input_style & XIMPreeditPosition)
1382 im_set_size (&rect);
1383 im_set_position (&spot);
1384 im_set_color (&fg, &bg);
1386 preedit_attr = XVaCreateNestedList (0, XNArea, &rect,
1387 XNSpotLocation, &spot,
1388 XNForeground, fg, XNBackground, bg,
1389 //XNFontSet, TermWin.fontset,
1392 else if (input_style & XIMPreeditArea)
1394 im_set_color (&fg, &bg);
1397 * The necessary width of preedit area is unknown
1398 * until create input context.
1400 needed_rect.width = 0;
1402 im_set_preedit_area (&rect, &status_rect, &needed_rect);
1404 preedit_attr = XVaCreateNestedList (0, XNArea, &rect,
1405 XNForeground, fg, XNBackground, bg,
1406 //XNFontSet, TermWin.fontset,
1408 status_attr = XVaCreateNestedList (0, XNArea, &status_rect,
1409 XNForeground, fg, XNBackground, bg,
1410 //XNFontSet, TermWin.fontset,
1414 Input_Context = XCreateIC (xim, XNInputStyle, input_style,
1415 XNClientWindow, TermWin.parent[0],
1416 XNFocusWindow, TermWin.parent[0],
1417 preedit_attr ? XNPreeditAttributes : NULL,
1419 status_attr ? XNStatusAttributes : NULL,
1421 if (preedit_attr) XFree (preedit_attr);
1422 if (status_attr) XFree (status_attr);
1424 if (Input_Context == NULL)
1426 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1427 display->put_xim (input_method);
1431 if (input_style & XIMPreeditArea)
1432 IMSetStatusPosition ();
1434 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1441 int i, found, had_im;
1448 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1452 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1453 if (rs[Rs_imLocale])
1454 SET_LOCALE (rs[Rs_imLocale]);
1457 p = rs[Rs_inputMethod];
1462 s = rxvt_splitcommastring (p);
1463 for (i = 0; s[i]; i++)
1467 STRCPY (buf, "@im=");
1468 STRNCAT (buf, s[i], IMBUFSIZ - 5);
1469 if (IM_get_IC (buf))
1476 for (i = 0; s[i]; i++)
1484 /* try with XMODIFIERS env. var. */
1488 /* try with no modifiers base IF the user didn't specify an IM */
1489 if (IM_get_IC ("@im=none"))
1493 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1494 if (rs[Rs_imLocale])
1495 SET_LOCALE (locale);
1500 rxvt_term::IMSetStatusPosition ()
1502 XRectangle preedit_rect, status_rect, *needed_rect;
1503 XVaNestedList preedit_attr, status_attr;
1505 if (Input_Context == NULL
1506 || !TermWin.focus || ! (input_style & XIMPreeditArea)
1510 /* Getting the necessary width of preedit area */
1511 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1512 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1513 XFree (status_attr);
1515 im_set_preedit_area (&preedit_rect, &status_rect, needed_rect);
1517 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1518 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1520 XSetICValues (Input_Context,
1521 XNPreeditAttributes, preedit_attr,
1522 XNStatusAttributes, status_attr, NULL);
1524 XFree (preedit_attr);
1525 XFree (status_attr);
1527 #endif /* USE_XIM */
1529 /*----------------------------------------------------------------------*/
1530 rxvt_t rxvt_current_term;
1532 /*----------------------- end-of-file (C source) -----------------------*/