1 /*----------------------------------------------------------------------*
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 // used to tell global functions which terminal instance is "active"
54 rxvt_t rxvt_current_term;
56 static char curlocale[128], savelocale[128];
59 rxvt_set_locale (const char *locale) NOTHROW
61 int size = strlen (locale) + 1;
63 if (size > sizeof (curlocale))
64 rxvt_fatal ("locale string too long, aborting.\n");
66 if (!locale || !memcmp (locale, curlocale, size))
69 memcpy (curlocale, locale, size);
70 setlocale (LC_CTYPE, curlocale);
75 rxvt_push_locale (const char *locale) NOTHROW
77 strcpy (savelocale, curlocale);
78 rxvt_set_locale (locale);
82 rxvt_pop_locale () NOTHROW
84 rxvt_set_locale (savelocale);
88 class rxvt_composite_vec rxvt_composite;
90 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
94 // break compose chains, as stupid readline really likes to duplicate
95 // composing characters for some reason near the end of a line.
99 if (cc->c2 == c2) return c1;
100 cc = (*this)[cc->c1];
103 // check to see wether this combination already exists otherwise
104 for (cc = v.end (); cc-- > v.begin (); )
106 if (cc->c1 == c1 && cc->c2 == c2)
107 return COMPOSE_LO + (cc - v.begin ());
110 // allocate a new combination
111 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
116 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
118 return REPLACEMENT_CHAR;
121 v.push_back (compose_char (c1, c2));
123 return v.size () - 1 + COMPOSE_LO;
126 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
128 compose_char *cc = (*this)[c];
136 int len = expand (cc->c1, r);
140 if (cc->c2 != NOCHAR)
143 if (r) *r++ = cc->c2;
151 rxvt_term::rxvt_term ()
153 #if TRANSPARENT || ENABLE_PERL
154 rootwin_ev (this, &rxvt_term::rootwin_cb),
156 #ifdef HAVE_SCROLLBARS
157 scrollbar_ev (this, &rxvt_term::x_cb),
160 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
163 text_blink_ev (this, &rxvt_term::text_blink_cb),
165 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
166 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
168 #ifdef SELECTION_SCROLLING
169 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
171 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
172 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
175 pointer_ev (this, &rxvt_term::pointer_cb),
178 im_ev (this, &rxvt_term::im_cb),
181 bell_ev (this, &rxvt_term::bell_cb),
183 termwin_ev (this, &rxvt_term::x_cb),
184 vt_ev (this, &rxvt_term::x_cb),
185 child_ev (this, &rxvt_term::child_cb),
186 check_ev (this, &rxvt_term::check_cb),
187 flush_ev (this, &rxvt_term::flush_cb),
188 destroy_ev (this, &rxvt_term::destroy_cb),
189 pty_ev (this, &rxvt_term::pty_cb),
190 incr_ev (this, &rxvt_term::incr_cb)
192 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
194 termlist.push_back (this);
196 #ifdef KEYSYM_RESOURCE
197 keyboard = new keyboard_manager;
201 // clean up the most important stuff, do *not* call x or free mem etc.
202 // for use before an emergency exit
203 void rxvt_term::emergency_cleanup ()
206 kill (-cmd_pid, SIGHUP);
212 rxvt_term::~rxvt_term ()
214 termlist.erase (find (termlist.begin (), termlist.end(), this));
216 emergency_cleanup ();
219 for (int i = RS_styleCount; --i; )
220 if (fontset[i] != fontset[0])
232 #ifdef XTERM_SCROLLBAR
233 if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
234 if (ShadowGC) XFreeGC (dpy, ShadowGC);
236 #ifdef PLAIN_SCROLLBAR
237 if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
239 #ifdef NEXT_SCROLLBAR
240 if (blackGC) XFreeGC (dpy, blackGC);
241 if (whiteGC) XFreeGC (dpy, whiteGC);
242 if (grayGC) XFreeGC (dpy, grayGC);
243 if (darkGC) XFreeGC (dpy, darkGC);
244 if (stippleGC) XFreeGC (dpy, stippleGC);
245 if (dimple) XFreePixmap (dpy, dimple);
246 if (upArrow) XFreePixmap (dpy, upArrow);
247 if (downArrow) XFreePixmap (dpy, downArrow);
248 if (upArrowHi) XFreePixmap (dpy, upArrowHi);
249 if (downArrowHi) XFreePixmap (dpy, downArrowHi);
251 #ifdef RXVT_SCROLLBAR
252 if (topShadowGC) XFreeGC (dpy, topShadowGC);
253 if (botShadowGC) XFreeGC (dpy, botShadowGC);
254 if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
256 if (gc) XFreeGC (dpy, gc);
259 // destroy all windows
261 XDestroyWindow (dpy, parent[0]);
263 for (int i = 0; i < TOTAL_COLORS; i++)
264 if (ISSET_PIXCOLOR (i))
266 pix_colors_focused [i].free (this);
268 pix_colors_unfocused [i].free (this);
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(!)
299 #ifdef KEYSYM_RESOURCE
304 // child has exited, usually destroys
306 rxvt_term::child_cb (child_watcher &w, int status)
308 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
312 if (!OPTION (Opt_hold))
317 rxvt_term::destroy ()
319 if (destroy_ev.active)
322 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
331 im_ev.stop (display);
334 scrollbar_ev.stop (display);
336 #if TRANSPARENT || ENABLE_PERL
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 old_xerror_handler (display, event);
448 print_x_error (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, stringvec *envv)
472 set_environ (envv); // few things in X do not call setlocale :(
479 const char **cmd_argv = init_resources (argc, argv);
481 #ifdef KEYSYM_RESOURCE
482 keyboard->register_done ();
485 #ifdef HAVE_SCROLLBARS
486 if (OPTION (Opt_scrollBar))
487 scrollBar.setIdle (); /* set existence for size calculations */
490 pty = ptytty::create ();
492 create_windows (argc, argv);
496 scr_reset (); // initialize screen
499 XSynchronize (dpy, True);
502 #ifdef HAVE_SCROLLBARS
503 if (OPTION (Opt_scrollBar))
504 resize_scrollbar (); /* create and map scrollbar */
507 if (OPTION (Opt_transparent))
509 XSelectInput (dpy, display->root, PropertyChangeMask);
510 check_our_parents ();
511 rootwin_ev.start (display, display->root);
515 rootwin_ev.start (display, display->root);
520 init_command (cmd_argv);
525 pty_ev.start (pty->pty, EVENT_READ);
529 HOOK_INVOKE ((this, HOOK_START, DT_END));
534 long info[2] = { 0, XEMBED_MAPPED };
536 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
537 32, PropModeReplace, (unsigned char *)&info, 2);
541 XMapWindow (dpy, vt);
542 XMapWindow (dpy, parent[0]);
547 static struct sig_handlers
549 sig_watcher sw_term, sw_int;
552 * Catch a fatal signal and tidy up before quitting
555 sig_term (sig_watcher &w)
557 rxvt_emergency_cleanup ();
558 signal (w.signum, SIG_DFL);
559 kill (getpid (), w.signum);
563 : sw_term (this, &sig_handlers::sig_term),
564 sw_int (this, &sig_handlers::sig_term)
569 char **rxvt_environ; // startup environment
576 rxvt_environ = environ;
578 signal (SIGHUP, SIG_IGN);
579 signal (SIGPIPE, SIG_IGN);
581 sig_handlers.sw_term.start (SIGTERM);
582 sig_handlers.sw_int.start (SIGINT);
584 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
585 /* signal (SIGURG, SIG_DFL); */
587 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
588 // TODO: handle this with exceptions and tolerate the memory loss
589 XSetIOErrorHandler (rxvt_xioerror_handler);
594 /* ------------------------------------------------------------------------- *
595 * MEMORY ALLOCATION WRAPPERS *
596 * ------------------------------------------------------------------------- */
598 rxvt_malloc (size_t size)
600 void *p = malloc (size);
603 rxvt_fatal ("memory allocation failure. aborting.\n");
609 rxvt_calloc (size_t number, size_t size)
611 void *p = calloc (number, size);
614 rxvt_fatal ("memory allocation failure. aborting.\n");
620 rxvt_realloc (void *ptr, size_t size)
622 void *p = realloc (ptr, size);
625 rxvt_fatal ("memory allocation failure. aborting.\n");
630 /*----------------------------------------------------------------------*/
632 * window size/position calculcations for XSizeHint and other storage.
633 * if width/height are non-zero then override calculated width/height
636 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
638 short recalc_x, recalc_y;
639 int x, y, sb_w, flags;
641 unsigned int max_width, max_height;
643 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
644 szHint.win_gravity = NorthWestGravity;
645 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
647 recalc_x = recalc_y = 0;
650 if (!parsed_geometry)
655 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
657 if (flags & WidthValue)
659 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
660 szHint.flags |= USSize;
663 if (flags & HeightValue)
665 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
666 szHint.flags |= USSize;
672 szHint.flags |= USPosition;
674 if (flags & XNegative)
677 szHint.win_gravity = NorthEastGravity;
684 szHint.flags |= USPosition;
686 if (flags & YNegative)
690 if (szHint.win_gravity == NorthEastGravity)
691 szHint.win_gravity = SouthEastGravity;
693 szHint.win_gravity = SouthWestGravity;
699 width = ncol * fwidth;
700 height = nrow * fheight;
701 max_width = MAX_COLS * fwidth;
702 max_height = MAX_ROWS * fheight;
704 szHint.base_width = szHint.base_height = 2 * int_bwidth;
707 window_vt_x = window_vt_y = int_bwidth;
711 sb_w = scrollbar_TotalWidth ();
712 szHint.base_width += sb_w;
714 if (!OPTION (Opt_scrollBar_right))
718 szHint.width_inc = fwidth;
719 szHint.height_inc = fheight;
720 szHint.min_width = szHint.base_width + szHint.width_inc;
721 szHint.min_height = szHint.base_height + szHint.height_inc;
723 if (newwidth && newwidth - szHint.base_width < max_width)
725 szHint.width = newwidth;
726 width = newwidth - szHint.base_width;
730 min_it (width, max_width);
731 szHint.width = szHint.base_width + width;
734 if (newheight && newheight - szHint.base_height < max_height)
736 szHint.height = newheight;
737 height = newheight - szHint.base_height;
741 min_it (height, max_height);
742 szHint.height = szHint.base_height + height;
745 if (scrollBar.state && OPTION (Opt_scrollBar_right))
746 window_sb_x = szHint.width - sb_w;
749 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
752 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
754 ncol = width / fwidth;
755 nrow = height / fheight;
758 /*----------------------------------------------------------------------*/
760 * Tell the teletype handler what size the window is.
761 * Called after a window size change.
764 rxvt_term::tt_winch ()
773 ws.ws_xpixel = width;
774 ws.ws_ypixel = height;
775 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
778 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
779 if (cmd_pid) /* force through to the command */
780 kill (-cmd_pid, SIGWINCH);
784 /*----------------------------------------------------------------------*/
785 /* set_fonts () - load and set the various fonts
787 * init = 1 - initialize
789 * fontname == FONT_UP - switch to bigger font
790 * fontname == FONT_DN - switch to smaller font
793 rxvt_term::set_fonts ()
795 rxvt_fontset *fs = new rxvt_fontset (this);
799 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
800 || !fs->realize_font (1))
807 for (int i = RS_styleCount; --i; )
808 if (fontset[i] != fontset[0])
815 prop = (*fs)[1]->properties ();
816 prop.height += lineSpace;
818 fs->set_prop (prop, false);
821 fheight = prop.height;
824 for (int style = 1; style < 4; style++)
827 const char *res = rs[Rs_font + style];
830 fontset[style] = fontset[0];
833 fontset[style] = fs = new rxvt_fontset (this);
834 rxvt_fontprop prop2 = prop;
837 prop2.weight = prop2.slant = rxvt_fontprop::unset;
840 res = fontset[0]->fontdesc;
842 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
843 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
847 fs->set_prop (prop2, true);
850 fontset[style] = fontset[0];
856 resize_all_windows (0, 0, 0);
864 void rxvt_term::set_string_property (Atom prop, const char *str, int len)
866 XChangeProperty (dpy, parent[0],
867 prop, XA_STRING, 8, PropModeReplace,
868 (const unsigned char *)str, len >= 0 ? len : strlen (str));
871 void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
873 wchar_t *ws = rxvt_mbstowcs (str, len);
874 char *s = rxvt_wcstoutf8 (ws);
876 XChangeProperty (dpy, parent[0],
877 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
878 (const unsigned char *)s, strlen (s));
884 /*----------------------------------------------------------------------*/
885 /*----------------------------------------------------------------------*/
886 /* xterm sequences - title, iconName, color (exptl) */
888 rxvt_term::set_title (const char *str)
890 set_string_property (XA_WM_NAME, str);
892 set_utf8_property (xa[XA_NET_WM_NAME], str);
897 rxvt_term::set_icon_name (const char *str)
899 set_string_property (XA_WM_ICON_NAME, str);
901 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
905 #ifdef XTERM_COLOR_CHANGE
907 rxvt_term::set_window_color (int idx, const char *color)
912 if (color == NULL || *color == '\0')
915 color = strdup (color);
916 allocated.push_back ((void *)color);
917 rs[Rs_color + idx] = color;
919 /* handle color aliases */
920 if (isdigit (*color))
924 if (i >= 8 && i <= 15)
925 { /* bright colors */
927 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
931 if (i >= 0 && i <= 7)
932 { /* normal colors */
933 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
938 set_color (xcol, color);
941 * FIXME: should free colors here, but no idea how to do it so instead,
942 * so just keep gobbling up the colormap
945 pix_colors_focused[idx] = xcol;
947 /* XSetWindowAttributes attr; */
950 /*TODO: handle Color_BD, scrollbar background, etc. */
952 update_fade_color (idx);
958 # define set_window_color (idx,color) ((void)0)
959 #endif /* XTERM_COLOR_CHANGE */
962 rxvt_term::recolour_cursor ()
966 (ISSET_PIXCOLOR (Color_pointer_fg)
967 ? pix_colors_focused[Color_pointer_fg]
968 : pix_colors_focused[Color_fg]).get (fg);
970 (ISSET_PIXCOLOR (Color_pointer_bg)
971 ? pix_colors_focused[Color_pointer_bg]
972 : pix_colors_focused[Color_bg]).get (bg);
974 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
977 /*----------------------------------------------------------------------*/
979 * find if fg/bg matches any of the normal (low-intensity) colors
982 rxvt_term::set_colorfgbg ()
985 const char *xpmb = "\0";
986 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
988 strcpy (fstr, "default");
989 strcpy (bstr, "default");
990 for (i = Color_Black; i <= Color_White; i++)
991 if (pix_colors[Color_fg] == pix_colors[i])
993 sprintf (fstr, "%d", (i - Color_Black));
997 for (i = Color_Black; i <= Color_White; i++)
998 if (pix_colors[Color_bg] == pix_colors[i])
1000 sprintf (bstr, "%d", (i - Color_Black));
1001 #ifdef XPM_BACKGROUND
1007 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1010 /*----------------------------------------------------------------------*/
1013 rxvt_term::set_color (rxvt_color &color, const char *name)
1015 if (color.set (this, name))
1018 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1023 rxvt_term::alias_color (int dst, int src)
1025 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1028 /* -------------------------------------------------------------------- *
1029 * - WINDOW RESIZING - *
1030 * -------------------------------------------------------------------- */
1032 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1035 int old_width = szHint.width;
1036 int old_height = szHint.height;
1038 window_calc (newwidth, newheight);
1040 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1041 XSetWMNormalHints (dpy, parent[0], &szHint);
1047 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1048 * reposition window on resize depending on placement on screen
1052 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1055 XTranslateCoordinates (dpy, parent[0], display->root,
1056 0, 0, &x, &y, &unused_cr);
1057 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1058 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1060 * if display->root isn't the parent window, a WM will probably have offset
1061 * our position for handles and decorations. Counter it
1063 if (x1 != x || y1 != y)
1069 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1070 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1071 dx = old_width - szHint.width;
1072 dy = old_height - szHint.height;
1074 /* Check position of the center of the window */
1075 if (x < x1) /* left half */
1077 else if (x == x1) /* exact center */
1079 if (y < y1) /* top half */
1081 else if (y == y1) /* exact center */
1084 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1085 szHint.width, szHint.height);
1087 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1091 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1093 if (fix_screen || newwidth != old_width || newheight != old_height)
1095 if (scrollBar.state)
1097 XMoveResizeWindow (dpy, scrollBar.win,
1099 scrollbar_TotalWidth (), szHint.height);
1100 resize_scrollbar ();
1103 XMoveResizeWindow (dpy, vt,
1104 window_vt_x, window_vt_y,
1108 #ifdef XPM_BACKGROUND
1113 if (fix_screen || old_height == 0)
1116 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1117 //scr_touch (false);
1119 #ifdef XPM_BACKGROUND
1130 * Set the width/height of the vt window in characters. Units are pixels.
1131 * good for toggling 80/132 columns
1134 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1136 XWindowAttributes wattr;
1138 if (newwidth == 0 || newheight == 0)
1140 XGetWindowAttributes (dpy, display->root, &wattr);
1143 newwidth = wattr.width - szHint.base_width;
1145 newheight = wattr.height - szHint.base_height;
1148 if (newwidth != width || newheight != height)
1150 newwidth += szHint.base_width;
1151 newheight += szHint.base_height;
1152 resize_all_windows (newwidth, newheight, 0);
1156 /* -------------------------------------------------------------------- *
1157 * - X INPUT METHOD ROUTINES - *
1158 * -------------------------------------------------------------------- */
1162 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1164 fg = pix_colors [Color_fg];
1165 bg = pix_colors [Color_bg];
1169 rxvt_term::im_set_size (XRectangle &size)
1171 // the int_bwidth terms make no sense to me
1172 size.x = int_bwidth;
1173 size.y = int_bwidth;
1174 size.width = Width2Pixel (ncol) + int_bwidth;
1175 size.height = Height2Pixel (nrow) + int_bwidth;
1179 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1180 XRectangle &status_rect,
1181 const XRectangle &needed_rect)
1183 preedit_rect.x = needed_rect.width;
1185 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1186 preedit_rect.height = fheight;
1190 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1191 status_rect.height = fheight;
1194 /* Checking whether input method is running. */
1196 rxvt_term::IMisRunning ()
1201 char server[IMBUFSIZ];
1203 /* get current locale modifier */
1204 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1206 strcpy (server, "@server=");
1207 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1209 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1212 atom = XInternAtom (dpy, server, False);
1213 win = XGetSelectionOwner (dpy, atom);
1223 rxvt_term::IMSendSpot ()
1226 XVaNestedList preedit_attr;
1230 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1233 im_set_position (nspot);
1235 if (nspot.x == spot.x && nspot.y == spot.y)
1240 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1241 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1242 XFree (preedit_attr);
1246 rxvt_term::im_destroy ()
1250 if (Input_Context && input_method->xim)
1251 XDestroyIC (Input_Context);
1253 display->put_xim (input_method);
1260 #ifdef ENABLE_XIM_ONTHESPOT
1263 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1265 ((rxvt_term *)client_data)->make_current ();
1266 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1270 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1272 ((rxvt_term *)client_data)->make_current ();
1273 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1277 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1279 rxvt_term *term = (rxvt_term *)client_data;
1280 XIMText *text = call_data->text;
1282 term->make_current ();
1288 if (!text->encoding_is_wchar && text->string.multi_byte)
1290 // of course, X makes it ugly again
1291 if (term->rs[Rs_imLocale])
1292 SET_LOCALE (term->rs[Rs_imLocale]);
1294 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1295 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1297 if (term->rs[Rs_imLocale])
1298 SET_LOCALE (term->locale);
1301 str = (void *)text->string.wide_char;
1303 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1304 DT_INT, call_data->caret,
1305 DT_INT, call_data->chg_first,
1306 DT_INT, call_data->chg_length,
1307 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1308 DT_WCS_LEN, str, str ? (int)text->length : 0,
1312 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1313 DT_INT, call_data->caret,
1314 DT_INT, call_data->chg_first,
1315 DT_INT, call_data->chg_length,
1321 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1323 ((rxvt_term *)client_data)->make_current ();
1324 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1325 DT_INT, call_data->position,
1326 DT_INT, call_data->direction,
1327 DT_INT, call_data->style,
1335 * Try to open a XIM with the current modifiers, then see if we can
1336 * open a suitable preedit type
1339 rxvt_term::IM_get_IC (const char *modifiers)
1344 XRectangle rect, status_rect, needed_rect;
1345 unsigned long fg, bg;
1348 XIMStyles *xim_styles;
1349 #ifdef ENABLE_XIM_ONTHESPOT
1355 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1358 input_method = display->get_xim (locale, modifiers);
1359 if (input_method == NULL)
1362 xim = input_method->xim;
1363 spot.x = spot.y = -1;
1366 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1367 || !xim_styles || !xim_styles->count_styles)
1373 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1375 for (int pi = 0; pi < 2; pi++)
1382 s = rxvt_splitcommastring (p);
1384 for (i = found = 0; !found && s[i]; i++)
1386 if (!strcmp (s[i], "OverTheSpot"))
1387 input_style = XIMPreeditPosition | XIMStatusNothing;
1388 else if (!strcmp (s[i], "OffTheSpot"))
1389 input_style = XIMPreeditArea | XIMStatusArea;
1390 else if (!strcmp (s[i], "Root"))
1391 input_style = XIMPreeditNothing | XIMStatusNothing;
1392 else if (!strcmp (s[i], "None"))
1393 input_style = XIMPreeditNone | XIMStatusNone;
1394 #ifdef ENABLE_XIM_ONTHESPOT
1395 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1396 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1399 input_style = XIMPreeditNothing | XIMStatusNothing;
1401 for (j = 0; j < xim_styles->count_styles; j++)
1402 if (input_style == xim_styles->supported_styles[j])
1404 rxvt_freecommastring (s);
1412 rxvt_freecommastring (s);
1426 XVaNestedList preedit_attr = 0, status_attr = 0;
1428 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1430 // fake us a font-set, please
1431 char **missing_charset_list;
1432 int missing_charset_count;
1437 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1438 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1439 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1440 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1441 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1444 fheight + 1, fheight - 1,
1445 fheight - 2, fheight + 2);
1447 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1448 &missing_charset_list, &missing_charset_count, &def_string);
1450 if (missing_charset_list)
1451 XFreeStringList (missing_charset_list);
1455 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1456 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1460 if (input_style & XIMPreeditPosition)
1463 im_set_position (spot);
1464 im_set_color (fg, bg);
1466 preedit_attr = XVaCreateNestedList (0,
1470 XNSpotLocation, &spot,
1474 else if (input_style & XIMPreeditArea)
1476 im_set_color (fg, bg);
1479 * The necessary width of preedit area is unknown
1480 * until create input context.
1482 needed_rect.width = 0;
1483 im_set_preedit_area (rect, status_rect, needed_rect);
1485 preedit_attr = XVaCreateNestedList (0,
1491 status_attr = XVaCreateNestedList (0,
1494 XNArea, &status_rect,
1498 #if ENABLE_XIM_ONTHESPOT
1499 else if (input_style & XIMPreeditCallbacks)
1501 im_set_position (spot);
1503 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1504 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1505 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1507 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1510 preedit_attr = XVaCreateNestedList (0,
1511 XNSpotLocation, &spot,
1512 XNPreeditStartCallback, &xcb[0],
1513 XNPreeditDoneCallback , &xcb[1],
1514 XNPreeditDrawCallback , &xcb[2],
1516 XNPreeditCaretCallback, &xcb[3],
1522 Input_Context = XCreateIC (xim,
1523 XNInputStyle, input_style,
1525 XNFocusWindow, parent[0],
1526 preedit_attr ? XNPreeditAttributes : NULL,
1528 status_attr ? XNStatusAttributes : NULL,
1531 if (preedit_attr) XFree (preedit_attr);
1532 if (status_attr) XFree (status_attr);
1533 if (fs) XFreeFontSet (dpy, fs);
1535 if (Input_Context == NULL)
1537 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1543 // unfortunately, only the focus window is used by XIM, hard to fix
1544 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1568 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1569 if (rs[Rs_imLocale])
1570 SET_LOCALE (rs[Rs_imLocale]);
1573 p = rs[Rs_inputMethod];
1578 s = rxvt_splitcommastring (p);
1580 for (i = 0; s[i]; i++)
1584 strcpy (buf, "@im=");
1585 strncat (buf, s[i], IMBUFSIZ - 5);
1586 if (IM_get_IC (buf))
1594 rxvt_freecommastring (s);
1600 /* try with XMODIFIERS env. var. */
1604 /* try with no modifiers base IF the user didn't specify an IM */
1605 if (IM_get_IC ("@im=none"))
1609 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1610 if (rs[Rs_imLocale])
1611 SET_LOCALE (locale);
1616 rxvt_term::IMSetPosition ()
1618 XRectangle preedit_rect, status_rect, *needed_rect;
1619 XVaNestedList preedit_attr, status_attr;
1623 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1627 if (input_style & XIMPreeditPosition)
1629 im_set_size (preedit_rect);
1630 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1632 XSetICValues (Input_Context,
1633 XNPreeditAttributes, preedit_attr, NULL);
1637 /* Getting the necessary width of preedit area */
1638 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1639 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1640 XFree (status_attr);
1642 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1643 XFree (needed_rect);
1645 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1646 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1648 XSetICValues (Input_Context,
1649 XNPreeditAttributes, preedit_attr,
1650 XNStatusAttributes, status_attr,
1653 XFree (status_attr);
1656 XFree (preedit_attr);
1658 #endif /* USE_XIM */
1660 /*----------------------- end-of-file (C source) -----------------------*/