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 */
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 menubar_ev (this, &rxvt_term::x_cb),
155 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
158 text_blink_ev (this, &rxvt_term::text_blink_cb),
160 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
161 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
163 #ifdef SELECTION_SCROLLING
164 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
166 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
167 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
170 pointer_ev (this, &rxvt_term::pointer_cb),
173 im_ev (this, &rxvt_term::im_cb),
175 termwin_ev (this, &rxvt_term::x_cb),
176 vt_ev (this, &rxvt_term::x_cb),
177 check_ev (this, &rxvt_term::check_cb),
178 flush_ev (this, &rxvt_term::flush_cb),
179 destroy_ev (this, &rxvt_term::destroy_cb),
180 pty_ev (this, &rxvt_term::pty_cb),
181 incr_ev (this, &rxvt_term::incr_cb)
183 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
185 termlist.push_back (this);
187 #ifdef KEYSYM_RESOURCE
188 keyboard = new keyboard_manager;
191 rxvt_fatal ("out of memory, aborting.\n");
195 // clean up the most important stuff, do *not* call x or free mem etc.
196 // for use before an emergency exit
197 void rxvt_term::emergency_cleanup ()
200 kill (-cmd_pid, SIGHUP);
203 privileged_utmp (RESTORE);
209 rxvt_term::~rxvt_term ()
211 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
213 termlist.erase (find (termlist.begin (), termlist.end(), this));
215 emergency_cleanup ();
218 for (int i = RS_styleCount; --i; )
219 if (fontset[i] != fontset[0])
234 if (menubarGC) XFreeGC (disp, menubarGC);
236 #ifdef XTERM_SCROLLBAR
237 if (xscrollbarGC) XFreeGC (disp, xscrollbarGC);
238 if (ShadowGC) XFreeGC (disp, ShadowGC);
240 #ifdef PLAIN_SCROLLBAR
241 if (pscrollbarGC) XFreeGC (disp, pscrollbarGC);
243 #ifdef NEXT_SCROLLBAR
244 if (blackGC) XFreeGC (disp, blackGC);
245 if (whiteGC) XFreeGC (disp, whiteGC);
246 if (grayGC) XFreeGC (disp, grayGC);
247 if (darkGC) XFreeGC (disp, darkGC);
248 if (stippleGC) XFreeGC (disp, stippleGC);
249 if (dimple) XFreePixmap (disp, dimple);
250 if (upArrow) XFreePixmap (disp, upArrow);
251 if (downArrow) XFreePixmap (disp, downArrow);
252 if (upArrowHi) XFreePixmap (disp, upArrowHi);
253 if (downArrowHi) XFreePixmap (disp, downArrowHi);
255 #if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
256 if (topShadowGC) XFreeGC (disp, topShadowGC);
257 if (botShadowGC) XFreeGC (disp, botShadowGC);
258 if (scrollbarGC) XFreeGC (disp, scrollbarGC);
260 if (gc) XFreeGC (disp, gc);
262 #if defined(MENUBAR) && (MENUBAR_MAX > 1)
263 delete menuBar.drawable;
265 // XDestroyWindow (disp, menuBar.win);
268 // destroy all windows
270 XDestroyWindow (disp, parent[0]);
273 // TODO: free pixcolours, colours should become part of rxvt_display
275 delete pix_colors_focused;
277 delete pix_colors_unfocused;
280 displays.put (display);
284 /* clear all resources */
285 for (int i = 0; i < allocated.size (); i++)
286 free (allocated [i]);
288 free (selection.text);
289 // TODO: manage env vars in child only(!)
293 free (env_colorfgbg);
301 #ifdef KEYSYM_RESOURCE
307 rxvt_term::child_exit ()
311 if (!OPTION (Opt_hold))
316 rxvt_term::destroy ()
318 if (destroy_ev.active)
328 im_ev.stop (display);
331 scrollbar_ev.stop (display);
334 menubar_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)
477 const char **cmd_argv = init_resources (argc, argv);
479 #ifdef KEYSYM_RESOURCE
480 keyboard->register_done ();
484 menubar_read (rs[Rs_menu]);
486 #ifdef HAVE_SCROLLBARS
487 if (OPTION (Opt_scrollBar))
488 scrollBar.setIdle (); /* set existence for size calculations */
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]))
497 HOOK_INVOKE ((this, HOOK_INIT, DT_END));
501 create_windows (argc, argv);
507 scr_reset (); /* initialize screen */
510 XSynchronize (disp, True);
513 #ifdef HAVE_SCROLLBARS
514 if (OPTION (Opt_scrollBar))
515 resize_scrollbar (); /* create and map scrollbar */
518 if (menubar_visible ())
519 XMapWindow (disp, menuBar.win);
522 if (OPTION (Opt_transparent))
524 XSelectInput (disp, display->root, PropertyChangeMask);
525 check_our_parents ();
526 rootwin_ev.start (display, display->root);
530 XMapWindow (disp, vt);
531 XMapWindow (disp, parent[0]);
535 init_command (cmd_argv);
539 pty_ev.start (pty.pty, EVENT_READ);
543 HOOK_INVOKE ((this, HOOK_START, DT_END));
548 static struct sig_handlers
550 sig_watcher sw_chld, sw_term, sw_int;
552 void sig_chld (sig_watcher &w)
554 // we are being called for every SIGCHLD, find the corresponding term
557 while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
558 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
559 if (pid == (*t)->cmd_pid)
567 * Catch a fatal signal and tidy up before quitting
570 sig_term (sig_watcher &w)
573 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
575 rxvt_emergency_cleanup ();
576 signal (w.signum, SIG_DFL);
577 kill (getpid (), w.signum);
581 : sw_chld (this, &sig_handlers::sig_chld),
582 sw_term (this, &sig_handlers::sig_term),
583 sw_int (this, &sig_handlers::sig_term)
592 * Save and then give up any super-user privileges
593 * If we need privileges in any area then we must specifically request it.
594 * We should only need to be root in these cases:
595 * 1. write utmp entries on some systems
596 * 2. chown tty on some systems
598 rxvt_privileges (SAVE);
599 rxvt_privileges (IGNORE);
601 signal (SIGHUP, SIG_IGN);
602 signal (SIGPIPE, SIG_IGN);
604 sig_handlers.sw_chld.start (SIGCHLD);
605 sig_handlers.sw_term.start (SIGTERM);
606 sig_handlers.sw_int.start (SIGINT);
608 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
609 /* signal (SIGURG, SIG_DFL); */
611 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
612 // TODO: handle this with exceptions and tolerate the memory loss
613 XSetIOErrorHandler (rxvt_xioerror_handler);
616 /* ------------------------------------------------------------------------- *
617 * MEMORY ALLOCATION WRAPPERS *
618 * ------------------------------------------------------------------------- */
620 rxvt_malloc (size_t size)
622 void *p = malloc (size);
625 rxvt_fatal ("memory allocation failure. aborting.\n");
631 rxvt_calloc (size_t number, size_t size)
633 void *p = calloc (number, size);
636 rxvt_fatal ("memory allocation failure. aborting.\n");
642 rxvt_realloc (void *ptr, size_t size)
644 void *p = realloc (ptr, size);
647 rxvt_fatal ("memory allocation failure. aborting.\n");
652 /* ------------------------------------------------------------------------- *
653 * PRIVILEGED OPERATIONS *
654 * ------------------------------------------------------------------------- */
655 /* take care of suid/sgid super-user (root) privileges */
657 rxvt_privileges (rxvt_privaction action)
659 #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
664 #if ! defined(__CYGWIN32__)
665 # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
666 /* setreuid () is the poor man's setuid (), seteuid () */
667 # define seteuid(a) setreuid(-1, (a))
668 # define setegid(a) setregid(-1, (a))
669 # define HAVE_SETEUID
676 * change effective uid/gid - not real uid/gid - so we can switch
677 * back to root later, as required
709 rxvt_term::privileged_utmp (rxvt_privaction action)
711 if (OPTION (Opt_utmpInhibit)
712 || !pty.name || !*pty.name)
715 rxvt_privileges (RESTORE);
718 makeutent (pty.name, rs[Rs_display_name]);
722 rxvt_privileges (IGNORE);
726 /*----------------------------------------------------------------------*/
728 * window size/position calculcations for XSizeHint and other storage.
729 * if width/height are non-zero then override calculated width/height
732 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
734 short recalc_x, recalc_y;
735 int x, y, sb_w, mb_h, flags;
737 unsigned int max_width, max_height;
740 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
741 ncol, nrow, szHint.width, szHint.height));
743 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
744 szHint.win_gravity = NorthWestGravity;
745 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
747 recalc_x = recalc_y = 0;
750 if (!parsed_geometry)
755 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
757 if (flags & WidthValue)
759 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
760 szHint.flags |= USSize;
763 if (flags & HeightValue)
765 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
766 szHint.flags |= USSize;
772 szHint.flags |= USPosition;
774 if (flags & XNegative)
777 szHint.win_gravity = NorthEastGravity;
784 szHint.flags |= USPosition;
786 if (flags & YNegative)
790 if (szHint.win_gravity == NorthEastGravity)
791 szHint.win_gravity = SouthEastGravity;
793 szHint.win_gravity = SouthWestGravity;
799 width = ncol * fwidth;
800 height = nrow * fheight;
801 max_width = MAX_COLS * fwidth;
802 max_height = MAX_ROWS * fheight;
804 szHint.base_width = szHint.base_height = 2 * int_bwidth;
807 window_vt_x = window_vt_y = int_bwidth;
809 if (scrollbar_visible ())
811 sb_w = scrollbar_TotalWidth ();
812 szHint.base_width += sb_w;
813 if (!OPTION (Opt_scrollBar_right))
817 if (menubar_visible ())
819 mb_h = menuBar_TotalHeight ();
820 szHint.base_height += mb_h;
824 szHint.width_inc = fwidth;
825 szHint.height_inc = fheight;
826 szHint.min_width = szHint.base_width + szHint.width_inc;
827 szHint.min_height = szHint.base_height + szHint.height_inc;
829 if (newwidth && newwidth - szHint.base_width < max_width)
831 szHint.width = newwidth;
832 width = newwidth - szHint.base_width;
836 min_it (width, max_width);
837 szHint.width = szHint.base_width + width;
840 if (newheight && newheight - szHint.base_height < max_height)
842 szHint.height = newheight;
843 height = newheight - szHint.base_height;
847 min_it (height, max_height);
848 szHint.height = szHint.base_height + height;
851 if (scrollbar_visible () && OPTION (Opt_scrollBar_right))
852 window_sb_x = szHint.width - sb_w;
855 szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth;
857 szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth;
859 ncol = width / fwidth;
860 nrow = height / fheight;
861 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
862 ncol, nrow, szHint.width,
867 /*----------------------------------------------------------------------*/
869 * Tell the teletype handler what size the window is.
870 * Called after a window size change.
873 rxvt_term::tt_winch ()
882 ws.ws_xpixel = width;
883 ws.ws_ypixel = height;
884 (void)ioctl (pty.pty, TIOCSWINSZ, &ws);
887 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
888 if (cmd_pid) /* force through to the command */
889 kill (-cmd_pid, SIGWINCH);
893 /*----------------------------------------------------------------------*/
894 /* set_fonts () - load and set the various fonts
896 * init = 1 - initialize
898 * fontname == FONT_UP - switch to bigger font
899 * fontname == FONT_DN - switch to smaller font
902 rxvt_term::set_fonts ()
904 rxvt_fontset *fs = new rxvt_fontset (this);
908 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
909 || !fs->realize_font (1))
916 for (int i = RS_styleCount; --i; )
917 if (fontset[i] != fontset[0])
924 prop = (*fs)[1]->properties ();
925 prop.height += lineSpace;
929 fheight = prop.height;
932 for (int style = 1; style < 4; style++)
935 const char *res = rs[Rs_font + style];
938 fontset[style] = fontset[0];
941 fontset[style] = fs = new rxvt_fontset (this);
942 rxvt_fontprop prop2 = prop;
945 prop2.weight = prop2.slant = rxvt_fontprop::unset;
948 res = fontset[0]->fontdesc;
950 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
951 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
955 fs->set_prop (prop2);
958 fontset[style] = fontset[0];
964 resize_all_windows (0, 0, 0);
972 void rxvt_term::set_string_property (Atom prop, const char *str, int len)
974 XChangeProperty (display->display, parent[0],
975 prop, XA_STRING, 8, PropModeReplace,
976 (const unsigned char *)str, len >= 0 ? len : strlen (str));
979 void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
981 wchar_t *ws = rxvt_mbstowcs (str, len);
982 char *s = rxvt_wcstoutf8 (ws);
984 XChangeProperty (display->display, parent[0],
985 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
986 (const unsigned char *)s, strlen (s));
992 /*----------------------------------------------------------------------*/
993 /*----------------------------------------------------------------------*/
994 /* xterm sequences - title, iconName, color (exptl) */
996 rxvt_term::set_title (const char *str)
998 set_string_property (XA_WM_NAME, str);
1000 set_utf8_property (xa[XA_NET_WM_NAME], str);
1005 rxvt_term::set_icon_name (const char *str)
1007 set_string_property (XA_WM_ICON_NAME, str);
1009 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
1013 #ifdef XTERM_COLOR_CHANGE
1015 rxvt_term::set_window_color (int idx, const char *color)
1020 if (color == NULL || *color == '\0')
1023 /* handle color aliases */
1024 if (isdigit (*color))
1028 if (i >= 8 && i <= 15)
1029 { /* bright colors */
1031 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
1036 if (i >= 0 && i <= 7)
1037 { /* normal colors */
1038 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
1044 if (!rXParseAllocColor (&xcol, color))
1047 /* XStoreColor (display->display, display->cmap, XColor*); */
1050 * FIXME: should free colors here, but no idea how to do it so instead,
1051 * so just keep gobbling up the colormap
1054 for (i = Color_Black; i <= Color_White; i++)
1055 if (pix_colors[idx] == pix_colors[i])
1057 if (i > Color_White)
1059 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
1060 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
1061 DisplayPlanes (display->display, display->screen));
1065 pix_colors_focused[idx] = xcol;
1068 /* XSetWindowAttributes attr; */
1069 /* Cursor cursor; */
1072 #if OFF_FOCUS_FADING
1074 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]);
1077 /*TODO: handle Color_BD, scrollbar background, etc. */
1084 # define set_window_color (idx,color) ((void)0)
1085 #endif /* XTERM_COLOR_CHANGE */
1088 rxvt_term::recolour_cursor ()
1092 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
1093 ? pix_colors_focused[Color_pointer_fg]
1094 : pix_colors_focused[Color_fg];
1095 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
1096 ? pix_colors_focused[Color_pointer_bg]
1097 : pix_colors_focused[Color_bg];
1099 XQueryColors (display->display, display->cmap, xcol, 2);
1100 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
1103 /*----------------------------------------------------------------------*/
1105 * find if fg/bg matches any of the normal (low-intensity) colors
1108 rxvt_term::set_colorfgbg ()
1111 const char *xpmb = "\0";
1112 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1114 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
1115 strcpy (fstr, "default");
1116 strcpy (bstr, "default");
1117 for (i = Color_Black; i <= Color_White; i++)
1118 if (pix_colors[Color_fg] == pix_colors[i])
1120 sprintf (fstr, "%d", (i - Color_Black));
1124 for (i = Color_Black; i <= Color_White; i++)
1125 if (pix_colors[Color_bg] == pix_colors[i])
1127 sprintf (bstr, "%d", (i - Color_Black));
1128 #ifdef XPM_BACKGROUND
1134 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1137 /*----------------------------------------------------------------------*/
1140 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1142 if (!screen_in_out->set (display, colour))
1144 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1151 /* -------------------------------------------------------------------- *
1152 * - WINDOW RESIZING - *
1153 * -------------------------------------------------------------------- */
1155 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1158 int old_width = szHint.width, old_height = szHint.height;
1161 window_calc (newwidth, newheight);
1162 XSetWMNormalHints (disp, parent[0], &szHint);
1168 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1169 * reposition window on resize depending on placement on screen
1173 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1176 XTranslateCoordinates (disp, parent[0], display->root,
1177 0, 0, &x, &y, &unused_cr);
1178 XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1,
1179 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1181 * if display->root isn't the parent window, a WM will probably have offset
1182 * our position for handles and decorations. Counter it
1184 if (x1 != x || y1 != y)
1190 x1 = (DisplayWidth (disp, display->screen) - old_width) / 2;
1191 y1 = (DisplayHeight (disp, display->screen) - old_height) / 2;
1192 dx = old_width - szHint.width;
1193 dy = old_height - szHint.height;
1195 /* Check position of the center of the window */
1196 if (x < x1) /* left half */
1198 else if (x == x1) /* exact center */
1200 if (y < y1) /* top half */
1202 else if (y == y1) /* exact center */
1205 XMoveResizeWindow (disp, parent[0], x + dx, y + dy,
1206 szHint.width, szHint.height);
1208 XResizeWindow (disp, parent[0], szHint.width, szHint.height);
1212 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1214 if (fix_screen || newwidth != old_width || newheight != old_height)
1216 if (scrollbar_visible ())
1218 XMoveResizeWindow (disp, scrollBar.win,
1220 scrollbar_TotalWidth (), szHint.height);
1221 resize_scrollbar ();
1224 if (menubar_visible ())
1225 XMoveResizeWindow (disp, menuBar.win,
1227 width, menuBar_TotalHeight ());
1229 XMoveResizeWindow (disp, vt,
1230 window_vt_x, window_vt_y,
1234 #ifdef XPM_BACKGROUND
1239 if (fix_screen || old_height == 0)
1241 int curr_screen = -1;
1242 int old_ncol = prev_ncol;
1244 /* scr_reset only works on the primary screen */
1245 if (old_height) /* this is not the first time through */
1247 unsigned int ocol = ncol;
1248 ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1249 curr_screen = scr_change_screen (PRIMARY);
1255 if (curr_screen >= 0) /* this is not the first time through */
1257 scr_change_screen (curr_screen);
1258 selection_check (old_ncol != ncol ? 4 : 0);
1262 old_width = szHint.width;
1263 old_height = szHint.height;
1265 #ifdef XPM_BACKGROUND
1271 IMSetStatusPosition ();
1276 * Set the width/height of the vt window in characters. Units are pixels.
1277 * good for toggling 80/132 columns
1280 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1282 XWindowAttributes wattr;
1284 if (newwidth == 0 || newheight == 0)
1286 XGetWindowAttributes (display->display, display->root, &wattr);
1289 newwidth = wattr.width - szHint.base_width;
1291 newheight = wattr.height - szHint.base_height;
1294 if (newwidth != width || newheight != height)
1296 newwidth += szHint.base_width;
1297 newheight += szHint.base_height;
1298 resize_all_windows (newwidth, newheight, 0);
1302 /* -------------------------------------------------------------------- *
1303 * - X INPUT METHOD ROUTINES - *
1304 * -------------------------------------------------------------------- */
1308 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1310 fg = pix_colors[Color_fg];
1311 bg = pix_colors[Color_bg];
1315 rxvt_term::im_set_size (XRectangle &size)
1317 // the int_bwidth terms make no sense to me
1318 size.x = int_bwidth;
1319 size.y = int_bwidth;
1320 size.width = Width2Pixel (ncol) + int_bwidth;
1321 size.height = Height2Pixel (nrow) + int_bwidth;
1325 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1326 XRectangle &status_rect,
1327 const XRectangle &needed_rect)
1329 preedit_rect.x = needed_rect.width;
1331 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1332 preedit_rect.height = fheight;
1336 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1337 status_rect.height = fheight;
1340 /* Checking whether input method is running. */
1342 rxvt_term::IMisRunning ()
1347 char server[IMBUFSIZ];
1349 /* get current locale modifier */
1350 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1352 strcpy (server, "@server=");
1353 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1355 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1358 atom = XInternAtom (display->display, server, False);
1359 win = XGetSelectionOwner (display->display, atom);
1369 rxvt_term::IMSendSpot ()
1372 XVaNestedList preedit_attr;
1376 || !(input_style & XIMPreeditPosition))
1379 im_set_position (nspot);
1381 if (nspot.x == spot.x && nspot.y == spot.y)
1386 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1387 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1388 XFree (preedit_attr);
1392 rxvt_term::im_destroy ()
1396 if (Input_Context && input_method->xim)
1397 XDestroyIC (Input_Context);
1399 display->put_xim (input_method);
1407 * Try to open a XIM with the current modifiers, then see if we can
1408 * open a suitable preedit type
1411 rxvt_term::IM_get_IC (const char *modifiers)
1416 XRectangle rect, status_rect, needed_rect;
1417 unsigned long fg, bg;
1420 XIMStyles *xim_styles;
1422 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1425 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1426 input_method = display->get_xim (locale, modifiers);
1427 if (input_method == NULL)
1430 xim = input_method->xim;
1431 spot.x = spot.y = -1;
1434 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1435 || !xim_styles || !xim_styles->count_styles)
1441 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1443 for (int pi = 0; pi < 2; pi++)
1450 s = rxvt_splitcommastring (p);
1452 for (i = found = 0; !found && s[i]; i++)
1454 if (!strcmp (s[i], "OverTheSpot"))
1455 input_style = (XIMPreeditPosition | XIMStatusNothing);
1456 else if (!strcmp (s[i], "OffTheSpot"))
1457 input_style = (XIMPreeditArea | XIMStatusArea);
1458 else if (!strcmp (s[i], "Root"))
1459 input_style = (XIMPreeditNothing | XIMStatusNothing);
1460 else if (!strcmp (s[i], "None"))
1461 input_style = (XIMPreeditNone | XIMStatusNone);
1463 for (j = 0; j < xim_styles->count_styles; j++)
1464 if (input_style == xim_styles->supported_styles[j])
1466 rxvt_freecommastring (s);
1474 rxvt_freecommastring (s);
1488 XVaNestedList preedit_attr = 0, status_attr = 0;
1490 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1492 // fake us a font-set, please
1493 char **missing_charset_list;
1494 int missing_charset_count;
1499 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1500 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1501 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1502 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1503 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1506 fheight + 1, fheight - 1,
1507 fheight - 2, fheight + 2);
1509 fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1510 &missing_charset_list, &missing_charset_count, &def_string);
1512 if (missing_charset_list)
1513 XFreeStringList (missing_charset_list);
1517 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1518 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1522 if (input_style & XIMPreeditPosition)
1525 im_set_position (spot);
1526 im_set_color (fg, bg);
1528 preedit_attr = XVaCreateNestedList (0,
1532 XNSpotLocation, &spot,
1536 else if (input_style & XIMPreeditArea)
1538 im_set_color (fg, bg);
1541 * The necessary width of preedit area is unknown
1542 * until create input context.
1544 needed_rect.width = 0;
1545 im_set_preedit_area (rect, status_rect, needed_rect);
1547 preedit_attr = XVaCreateNestedList (0,
1553 status_attr = XVaCreateNestedList (0,
1556 XNArea, &status_rect,
1561 Input_Context = XCreateIC (xim,
1562 XNInputStyle, input_style,
1564 XNFocusWindow, parent[0],
1565 preedit_attr ? XNPreeditAttributes : NULL,
1567 status_attr ? XNStatusAttributes : NULL,
1570 if (preedit_attr) XFree (preedit_attr);
1571 if (status_attr) XFree (status_attr);
1572 if (fs) XFreeFontSet (display->display, fs);
1574 if (Input_Context == NULL)
1576 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1581 if (input_style & XIMPreeditArea)
1582 IMSetStatusPosition ();
1584 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1600 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1604 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1605 if (rs[Rs_imLocale])
1606 SET_LOCALE (rs[Rs_imLocale]);
1609 p = rs[Rs_inputMethod];
1614 s = rxvt_splitcommastring (p);
1616 for (i = 0; s[i]; i++)
1620 strcpy (buf, "@im=");
1621 strncat (buf, s[i], IMBUFSIZ - 5);
1622 if (IM_get_IC (buf))
1630 rxvt_freecommastring (s);
1636 /* try with XMODIFIERS env. var. */
1640 /* try with no modifiers base IF the user didn't specify an IM */
1641 if (IM_get_IC ("@im=none"))
1645 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1646 if (rs[Rs_imLocale])
1647 SET_LOCALE (locale);
1652 rxvt_term::IMSetStatusPosition ()
1654 XRectangle preedit_rect, status_rect, *needed_rect;
1655 XVaNestedList preedit_attr, status_attr;
1659 || !(input_style & XIMPreeditArea)
1663 /* Getting the necessary width of preedit area */
1664 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1665 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1666 XFree (status_attr);
1668 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1669 XFree (needed_rect);
1671 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1672 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1674 XSetICValues (Input_Context,
1675 XNPreeditAttributes, preedit_attr,
1676 XNStatusAttributes, status_attr, NULL);
1678 XFree (preedit_attr);
1679 XFree (status_attr);
1681 #endif /* USE_XIM */
1683 /*----------------------------------------------------------------------*/
1684 rxvt_t rxvt_current_term;
1686 /*----------------------- end-of-file (C source) -----------------------*/