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),
157 check_our_parents_ev(this, &rxvt_term::check_our_parents_cb),
159 #ifdef HAVE_SCROLLBARS
160 scrollbar_ev (this, &rxvt_term::x_cb),
163 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
166 text_blink_ev (this, &rxvt_term::text_blink_cb),
168 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
169 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
171 #ifdef SELECTION_SCROLLING
172 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
174 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
175 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
178 pointer_ev (this, &rxvt_term::pointer_cb),
181 im_ev (this, &rxvt_term::im_cb),
184 bell_ev (this, &rxvt_term::bell_cb),
186 termwin_ev (this, &rxvt_term::x_cb),
187 vt_ev (this, &rxvt_term::x_cb),
188 child_ev (this, &rxvt_term::child_cb),
189 check_ev (this, &rxvt_term::check_cb),
190 flush_ev (this, &rxvt_term::flush_cb),
191 destroy_ev (this, &rxvt_term::destroy_cb),
192 pty_ev (this, &rxvt_term::pty_cb),
193 incr_ev (this, &rxvt_term::incr_cb)
195 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
197 termlist.push_back (this);
199 #ifdef KEYSYM_RESOURCE
200 keyboard = new keyboard_manager;
204 // clean up the most important stuff, do *not* call x or free mem etc.
205 // for use before an emergency exit
206 void rxvt_term::emergency_cleanup ()
209 kill (-cmd_pid, SIGHUP);
215 rxvt_term::~rxvt_term ()
217 termlist.erase (find (termlist.begin (), termlist.end(), this));
219 emergency_cleanup ();
222 for (int i = RS_styleCount; --i; )
223 if (fontset[i] != fontset[0])
235 #ifdef XTERM_SCROLLBAR
236 if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
237 if (ShadowGC) XFreeGC (dpy, ShadowGC);
239 #ifdef PLAIN_SCROLLBAR
240 if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
242 #ifdef NEXT_SCROLLBAR
243 if (blackGC) XFreeGC (dpy, blackGC);
244 if (whiteGC) XFreeGC (dpy, whiteGC);
245 if (grayGC) XFreeGC (dpy, grayGC);
246 if (darkGC) XFreeGC (dpy, darkGC);
247 if (stippleGC) XFreeGC (dpy, stippleGC);
248 if (dimple) XFreePixmap (dpy, dimple);
249 if (upArrow) XFreePixmap (dpy, upArrow);
250 if (downArrow) XFreePixmap (dpy, downArrow);
251 if (upArrowHi) XFreePixmap (dpy, upArrowHi);
252 if (downArrowHi) XFreePixmap (dpy, downArrowHi);
254 #ifdef RXVT_SCROLLBAR
255 if (topShadowGC) XFreeGC (dpy, topShadowGC);
256 if (botShadowGC) XFreeGC (dpy, botShadowGC);
257 if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
259 if (gc) XFreeGC (dpy, gc);
262 // destroy all windows
264 XDestroyWindow (dpy, parent[0]);
266 for (int i = 0; i < TOTAL_COLORS; i++)
267 if (ISSET_PIXCOLOR (i))
269 pix_colors_focused [i].free (this);
271 pix_colors_unfocused [i].free (this);
278 delete [] pix_colors_focused;
280 delete [] pix_colors_unfocused;
283 displays.put (display);
287 /* clear all resources */
288 for (int i = 0; i < allocated.size (); i++)
289 free (allocated [i]);
291 free (selection.text);
292 // TODO: manage env vars in child only(!)
302 #ifdef KEYSYM_RESOURCE
307 // child has exited, usually destroys
309 rxvt_term::child_cb (child_watcher &w, int status)
311 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
315 if (!option (Opt_hold))
320 rxvt_term::destroy ()
322 if (destroy_ev.active)
325 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
334 im_ev.stop (display);
337 scrollbar_ev.stop (display);
339 #if TRANSPARENT || ENABLE_PERL
340 rootwin_ev.stop (display);
343 termwin_ev.stop (display);
344 vt_ev.stop (display);
350 cursor_blink_ev.stop ();
353 text_blink_ev.stop ();
355 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
356 cont_scroll_ev.stop ();
358 #ifdef SELECTION_SCROLLING
359 sel_scroll_ev.stop ();
365 destroy_ev.start (0);
369 rxvt_term::destroy_cb (time_watcher &w)
376 /*----------------------------------------------------------------------*/
378 * Exit gracefully, clearing the utmp entry and restoring tty attributes
379 * TODO: if debugging, this should free up any known resources if we can
381 static XErrorHandler old_xerror_handler;
384 rxvt_emergency_cleanup ()
386 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
387 (*t)->emergency_cleanup ();
392 print_x_error (Display *dpy, XErrorEvent *event)
397 char *mtype = "XlibMessage";
398 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
399 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
400 rxvt_warn ("An X Error occured, trying to continue after report.\n");
401 rxvt_warn ("%s: %s\n", mesg, buffer);
402 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
403 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
404 sprintf(number, "%d", event->request_code);
405 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
406 rxvt_warn ("(which is %s)\n", buffer);
407 if (event->request_code >= 128) {
408 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
410 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
412 if ((event->error_code == BadWindow) ||
413 (event->error_code == BadPixmap) ||
414 (event->error_code == BadCursor) ||
415 (event->error_code == BadFont) ||
416 (event->error_code == BadDrawable) ||
417 (event->error_code == BadColor) ||
418 (event->error_code == BadGC) ||
419 (event->error_code == BadIDChoice) ||
420 (event->error_code == BadValue) ||
421 (event->error_code == BadAtom)) {
422 if (event->error_code == BadValue)
423 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
425 else if (event->error_code == BadAtom)
426 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
429 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
431 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
433 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
435 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
440 rxvt_xerror_handler (Display *display, XErrorEvent *event)
442 if (GET_R->allowedxerror == -1)
443 GET_R->allowedxerror = event->error_code;
446 // GET_R is most likely not the terminal which caused the error,
447 // so just output the error and continue
449 old_xerror_handler (display, event);
451 print_x_error (display, event);
459 rxvt_xioerror_handler (Display *display)
461 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
462 DisplayString (display));
463 rxvt_emergency_cleanup ();
464 _exit (EXIT_FAILURE);
467 /*----------------------------------------------------------------------*/
469 rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
475 set_environ (envv); // few things in X do not call setlocale :(
482 const char **cmd_argv = init_resources (argc, argv);
484 #ifdef KEYSYM_RESOURCE
485 keyboard->register_done ();
488 #ifdef HAVE_SCROLLBARS
489 if (option (Opt_scrollBar))
490 scrollBar.setIdle (); /* set existence for size calculations */
493 pty = ptytty::create ();
495 create_windows (argc, argv);
499 scr_reset (); // initialize screen
502 XSynchronize (dpy, True);
505 #ifdef HAVE_SCROLLBARS
506 if (option (Opt_scrollBar))
507 resize_scrollbar (); /* create and map scrollbar */
510 if (option (Opt_transparent))
512 XSelectInput (dpy, display->root, PropertyChangeMask);
513 check_our_parents ();
514 rootwin_ev.start (display, display->root);
518 rootwin_ev.start (display, display->root);
523 init_command (cmd_argv);
528 pty_ev.start (pty->pty, EVENT_READ);
532 HOOK_INVOKE ((this, HOOK_START, DT_END));
537 long info[2] = { 0, XEMBED_MAPPED };
539 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
540 32, PropModeReplace, (unsigned char *)&info, 2);
544 XMapWindow (dpy, vt);
545 XMapWindow (dpy, parent[0]);
550 static struct sig_handlers
552 sig_watcher sw_term, sw_int;
555 * Catch a fatal signal and tidy up before quitting
558 sig_term (sig_watcher &w)
560 rxvt_emergency_cleanup ();
561 signal (w.signum, SIG_DFL);
562 kill (getpid (), w.signum);
566 : sw_term (this, &sig_handlers::sig_term),
567 sw_int (this, &sig_handlers::sig_term)
572 char **rxvt_environ; // startup environment
579 rxvt_environ = environ;
581 signal (SIGHUP, SIG_IGN);
582 signal (SIGPIPE, SIG_IGN);
584 sig_handlers.sw_term.start (SIGTERM);
585 sig_handlers.sw_int.start (SIGINT);
587 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
588 /* signal (SIGURG, SIG_DFL); */
590 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
591 // TODO: handle this with exceptions and tolerate the memory loss
592 XSetIOErrorHandler (rxvt_xioerror_handler);
597 /* ------------------------------------------------------------------------- *
598 * MEMORY ALLOCATION WRAPPERS *
599 * ------------------------------------------------------------------------- */
601 rxvt_malloc (size_t size)
603 void *p = malloc (size);
606 rxvt_fatal ("memory allocation failure. aborting.\n");
612 rxvt_calloc (size_t number, size_t size)
614 void *p = calloc (number, size);
617 rxvt_fatal ("memory allocation failure. aborting.\n");
623 rxvt_realloc (void *ptr, size_t size)
625 void *p = realloc (ptr, size);
628 rxvt_fatal ("memory allocation failure. aborting.\n");
633 /*----------------------------------------------------------------------*/
635 * window size/position calculcations for XSizeHint and other storage.
636 * if width/height are non-zero then override calculated width/height
639 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
641 short recalc_x, recalc_y;
642 int x, y, sb_w, flags;
644 unsigned int max_width, max_height;
646 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
647 szHint.win_gravity = NorthWestGravity;
648 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
650 recalc_x = recalc_y = 0;
653 if (!parsed_geometry)
658 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
660 if (flags & WidthValue)
662 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
663 szHint.flags |= USSize;
666 if (flags & HeightValue)
668 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
669 szHint.flags |= USSize;
675 szHint.flags |= USPosition;
677 if (flags & XNegative)
680 szHint.win_gravity = NorthEastGravity;
687 szHint.flags |= USPosition;
689 if (flags & YNegative)
693 if (szHint.win_gravity == NorthEastGravity)
694 szHint.win_gravity = SouthEastGravity;
696 szHint.win_gravity = SouthWestGravity;
702 width = ncol * fwidth;
703 height = nrow * fheight;
704 max_width = MAX_COLS * fwidth;
705 max_height = MAX_ROWS * fheight;
707 szHint.base_width = szHint.base_height = 2 * int_bwidth;
710 window_vt_x = window_vt_y = int_bwidth;
714 sb_w = scrollbar_TotalWidth ();
715 szHint.base_width += sb_w;
717 if (!option (Opt_scrollBar_right))
721 szHint.width_inc = fwidth;
722 szHint.height_inc = fheight;
723 szHint.min_width = szHint.base_width + szHint.width_inc;
724 szHint.min_height = szHint.base_height + szHint.height_inc;
726 if (newwidth && newwidth - szHint.base_width < max_width)
728 szHint.width = newwidth;
729 width = newwidth - szHint.base_width;
733 min_it (width, max_width);
734 szHint.width = szHint.base_width + width;
737 if (newheight && newheight - szHint.base_height < max_height)
739 szHint.height = newheight;
740 height = newheight - szHint.base_height;
744 min_it (height, max_height);
745 szHint.height = szHint.base_height + height;
748 if (scrollBar.state && option (Opt_scrollBar_right))
749 window_sb_x = szHint.width - sb_w;
752 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
755 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
757 ncol = width / fwidth;
758 nrow = height / fheight;
761 /*----------------------------------------------------------------------*/
763 * Tell the teletype handler what size the window is.
764 * Called after a window size change.
767 rxvt_term::tt_winch ()
776 ws.ws_xpixel = width;
777 ws.ws_ypixel = height;
778 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
781 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
782 if (cmd_pid) /* force through to the command */
783 kill (-cmd_pid, SIGWINCH);
787 /*----------------------------------------------------------------------*/
788 /* set_fonts () - load and set the various fonts
790 * init = 1 - initialize
792 * fontname == FONT_UP - switch to bigger font
793 * fontname == FONT_DN - switch to smaller font
796 rxvt_term::set_fonts ()
798 rxvt_fontset *fs = new rxvt_fontset (this);
802 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
803 || !fs->realize_font (1))
810 for (int i = RS_styleCount; --i; )
811 if (fontset[i] != fontset[0])
818 prop = (*fs)[1]->properties ();
819 prop.height += lineSpace;
821 fs->set_prop (prop, false);
824 fheight = prop.height;
827 for (int style = 1; style < 4; style++)
830 const char *res = rs[Rs_font + style];
833 fontset[style] = fontset[0];
836 fontset[style] = fs = new rxvt_fontset (this);
837 rxvt_fontprop prop2 = prop;
842 fs->set_prop (prop2, false);
846 fs->populate (fontset[0]->fontdesc);
848 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
849 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
851 fs->set_prop (prop2, true);
856 fontset[style] = fontset[0];
862 resize_all_windows (0, 0, 0);
870 void rxvt_term::set_string_property (Atom prop, const char *str, int len)
872 XChangeProperty (dpy, parent[0],
873 prop, XA_STRING, 8, PropModeReplace,
874 (const unsigned char *)str, len >= 0 ? len : strlen (str));
877 void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
879 wchar_t *ws = rxvt_mbstowcs (str, len);
880 char *s = rxvt_wcstoutf8 (ws);
882 XChangeProperty (dpy, parent[0],
883 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
884 (const unsigned char *)s, strlen (s));
890 /*----------------------------------------------------------------------*/
891 /*----------------------------------------------------------------------*/
892 /* xterm sequences - title, iconName, color (exptl) */
894 rxvt_term::set_title (const char *str)
896 set_string_property (XA_WM_NAME, str);
898 set_utf8_property (xa[XA_NET_WM_NAME], str);
903 rxvt_term::set_icon_name (const char *str)
905 set_string_property (XA_WM_ICON_NAME, str);
907 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
911 #ifdef XTERM_COLOR_CHANGE
913 rxvt_term::set_window_color (int idx, const char *color)
918 if (color == NULL || *color == '\0')
921 color = strdup (color);
922 allocated.push_back ((void *)color);
923 rs[Rs_color + idx] = color;
925 /* handle color aliases */
926 if (isdigit (*color))
930 if (i >= 8 && i <= 15)
931 { /* bright colors */
933 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
937 if (i >= 0 && i <= 7)
938 { /* normal colors */
939 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
944 set_color (xcol, color);
947 * FIXME: should free colors here, but no idea how to do it so instead,
948 * so just keep gobbling up the colormap
951 pix_colors_focused[idx] = xcol;
953 /* XSetWindowAttributes attr; */
956 /*TODO: handle Color_BD, scrollbar background, etc. */
958 update_fade_color (idx);
964 # define set_window_color (idx,color) ((void)0)
965 #endif /* XTERM_COLOR_CHANGE */
968 rxvt_term::recolour_cursor ()
972 (ISSET_PIXCOLOR (Color_pointer_fg)
973 ? pix_colors_focused[Color_pointer_fg]
974 : pix_colors_focused[Color_fg]).get (fg);
976 (ISSET_PIXCOLOR (Color_pointer_bg)
977 ? pix_colors_focused[Color_pointer_bg]
978 : pix_colors_focused[Color_bg]).get (bg);
980 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
983 /*----------------------------------------------------------------------*/
985 * find if fg/bg matches any of the normal (low-intensity) colors
988 rxvt_term::set_colorfgbg ()
991 const char *xpmb = "\0";
992 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
994 strcpy (fstr, "default");
995 strcpy (bstr, "default");
996 for (i = Color_Black; i <= Color_White; i++)
997 if (pix_colors[Color_fg] == pix_colors[i])
999 sprintf (fstr, "%d", (i - Color_Black));
1003 for (i = Color_Black; i <= Color_White; i++)
1004 if (pix_colors[Color_bg] == pix_colors[i])
1006 sprintf (bstr, "%d", (i - Color_Black));
1007 #ifdef XPM_BACKGROUND
1013 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1016 /*----------------------------------------------------------------------*/
1019 rxvt_term::set_color (rxvt_color &color, const char *name)
1021 if (color.set (this, name))
1024 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1029 rxvt_term::alias_color (int dst, int src)
1031 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1034 /* -------------------------------------------------------------------- *
1035 * - WINDOW RESIZING - *
1036 * -------------------------------------------------------------------- */
1038 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1041 int old_width = szHint.width;
1042 int old_height = szHint.height;
1044 window_calc (newwidth, newheight);
1046 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1047 XSetWMNormalHints (dpy, parent[0], &szHint);
1053 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1054 * reposition window on resize depending on placement on screen
1058 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1061 XTranslateCoordinates (dpy, parent[0], display->root,
1062 0, 0, &x, &y, &unused_cr);
1063 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1064 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1066 * if display->root isn't the parent window, a WM will probably have offset
1067 * our position for handles and decorations. Counter it
1069 if (x1 != x || y1 != y)
1075 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1076 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1077 dx = old_width - szHint.width;
1078 dy = old_height - szHint.height;
1080 /* Check position of the center of the window */
1081 if (x < x1) /* left half */
1083 else if (x == x1) /* exact center */
1085 if (y < y1) /* top half */
1087 else if (y == y1) /* exact center */
1090 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1091 szHint.width, szHint.height);
1093 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1097 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1099 if (fix_screen || newwidth != old_width || newheight != old_height)
1101 if (scrollBar.state)
1103 XMoveResizeWindow (dpy, scrollBar.win,
1105 scrollbar_TotalWidth (), szHint.height);
1106 resize_scrollbar ();
1109 XMoveResizeWindow (dpy, vt,
1110 window_vt_x, window_vt_y,
1114 #ifdef XPM_BACKGROUND
1119 if (fix_screen || old_height == 0)
1122 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1123 //scr_touch (false);
1125 #ifdef XPM_BACKGROUND
1136 * Set the width/height of the vt window in characters. Units are pixels.
1137 * good for toggling 80/132 columns
1140 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1142 XWindowAttributes wattr;
1144 if (newwidth == 0 || newheight == 0)
1146 XGetWindowAttributes (dpy, display->root, &wattr);
1149 newwidth = wattr.width - szHint.base_width;
1151 newheight = wattr.height - szHint.base_height;
1154 if (newwidth != width || newheight != height)
1156 newwidth += szHint.base_width;
1157 newheight += szHint.base_height;
1158 resize_all_windows (newwidth, newheight, 0);
1162 /* -------------------------------------------------------------------- *
1163 * - X INPUT METHOD ROUTINES - *
1164 * -------------------------------------------------------------------- */
1168 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1170 fg = pix_colors [Color_fg];
1171 bg = pix_colors [Color_bg];
1175 rxvt_term::im_set_size (XRectangle &size)
1177 // the int_bwidth terms make no sense to me
1178 size.x = int_bwidth;
1179 size.y = int_bwidth;
1180 size.width = Width2Pixel (ncol) + int_bwidth;
1181 size.height = Height2Pixel (nrow) + int_bwidth;
1185 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1186 XRectangle &status_rect,
1187 const XRectangle &needed_rect)
1189 preedit_rect.x = needed_rect.width;
1191 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1192 preedit_rect.height = fheight;
1196 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1197 status_rect.height = fheight;
1200 /* Checking whether input method is running. */
1202 rxvt_term::IMisRunning ()
1207 char server[IMBUFSIZ];
1209 /* get current locale modifier */
1210 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1212 strcpy (server, "@server=");
1213 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1215 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1218 atom = XInternAtom (dpy, server, False);
1219 win = XGetSelectionOwner (dpy, atom);
1229 rxvt_term::IMSendSpot ()
1232 XVaNestedList preedit_attr;
1236 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1239 im_set_position (nspot);
1241 if (nspot.x == spot.x && nspot.y == spot.y)
1246 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1247 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1248 XFree (preedit_attr);
1252 rxvt_term::im_destroy ()
1256 if (Input_Context && input_method->xim)
1257 XDestroyIC (Input_Context);
1259 display->put_xim (input_method);
1266 #ifdef ENABLE_XIM_ONTHESPOT
1269 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1271 ((rxvt_term *)client_data)->make_current ();
1272 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1276 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1278 ((rxvt_term *)client_data)->make_current ();
1279 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1283 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1285 rxvt_term *term = (rxvt_term *)client_data;
1286 XIMText *text = call_data->text;
1288 term->make_current ();
1294 if (!text->encoding_is_wchar && text->string.multi_byte)
1296 // of course, X makes it ugly again
1297 if (term->rs[Rs_imLocale])
1298 SET_LOCALE (term->rs[Rs_imLocale]);
1300 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1301 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1303 if (term->rs[Rs_imLocale])
1304 SET_LOCALE (term->locale);
1307 str = (void *)text->string.wide_char;
1309 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1310 DT_INT, call_data->caret,
1311 DT_INT, call_data->chg_first,
1312 DT_INT, call_data->chg_length,
1313 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1314 DT_WCS_LEN, str, str ? (int)text->length : 0,
1318 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1319 DT_INT, call_data->caret,
1320 DT_INT, call_data->chg_first,
1321 DT_INT, call_data->chg_length,
1327 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1329 ((rxvt_term *)client_data)->make_current ();
1330 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1331 DT_INT, call_data->position,
1332 DT_INT, call_data->direction,
1333 DT_INT, call_data->style,
1341 * Try to open a XIM with the current modifiers, then see if we can
1342 * open a suitable preedit type
1345 rxvt_term::IM_get_IC (const char *modifiers)
1350 XRectangle rect, status_rect, needed_rect;
1351 unsigned long fg, bg;
1354 XIMStyles *xim_styles;
1355 #ifdef ENABLE_XIM_ONTHESPOT
1361 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1364 input_method = display->get_xim (locale, modifiers);
1365 if (input_method == NULL)
1368 xim = input_method->xim;
1369 spot.x = spot.y = -1;
1372 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1373 || !xim_styles || !xim_styles->count_styles)
1379 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1381 for (int pi = 0; pi < 2; pi++)
1388 s = rxvt_splitcommastring (p);
1390 for (i = found = 0; !found && s[i]; i++)
1392 if (!strcmp (s[i], "OverTheSpot"))
1393 input_style = XIMPreeditPosition | XIMStatusNothing;
1394 else if (!strcmp (s[i], "OffTheSpot"))
1395 input_style = XIMPreeditArea | XIMStatusArea;
1396 else if (!strcmp (s[i], "Root"))
1397 input_style = XIMPreeditNothing | XIMStatusNothing;
1398 else if (!strcmp (s[i], "None"))
1399 input_style = XIMPreeditNone | XIMStatusNone;
1400 #ifdef ENABLE_XIM_ONTHESPOT
1401 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1402 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1405 input_style = XIMPreeditNothing | XIMStatusNothing;
1407 for (j = 0; j < xim_styles->count_styles; j++)
1408 if (input_style == xim_styles->supported_styles[j])
1410 rxvt_freecommastring (s);
1418 rxvt_freecommastring (s);
1432 XVaNestedList preedit_attr = 0, status_attr = 0;
1434 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1436 // fake us a font-set, please
1437 char **missing_charset_list;
1438 int missing_charset_count;
1443 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1444 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1445 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1446 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1447 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1450 fheight + 1, fheight - 1,
1451 fheight - 2, fheight + 2);
1453 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1454 &missing_charset_list, &missing_charset_count, &def_string);
1456 if (missing_charset_list)
1457 XFreeStringList (missing_charset_list);
1461 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1462 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1466 if (input_style & XIMPreeditPosition)
1469 im_set_position (spot);
1470 im_set_color (fg, bg);
1472 preedit_attr = XVaCreateNestedList (0,
1476 XNSpotLocation, &spot,
1480 else if (input_style & XIMPreeditArea)
1482 im_set_color (fg, bg);
1485 * The necessary width of preedit area is unknown
1486 * until create input context.
1488 needed_rect.width = 0;
1489 im_set_preedit_area (rect, status_rect, needed_rect);
1491 preedit_attr = XVaCreateNestedList (0,
1497 status_attr = XVaCreateNestedList (0,
1500 XNArea, &status_rect,
1504 #if ENABLE_XIM_ONTHESPOT
1505 else if (input_style & XIMPreeditCallbacks)
1507 im_set_position (spot);
1509 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1510 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1511 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1513 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1516 preedit_attr = XVaCreateNestedList (0,
1517 XNSpotLocation, &spot,
1518 XNPreeditStartCallback, &xcb[0],
1519 XNPreeditDoneCallback , &xcb[1],
1520 XNPreeditDrawCallback , &xcb[2],
1522 XNPreeditCaretCallback, &xcb[3],
1528 Input_Context = XCreateIC (xim,
1529 XNInputStyle, input_style,
1531 XNFocusWindow, parent[0],
1532 preedit_attr ? XNPreeditAttributes : NULL,
1534 status_attr ? XNStatusAttributes : NULL,
1537 if (preedit_attr) XFree (preedit_attr);
1538 if (status_attr) XFree (status_attr);
1539 if (fs) XFreeFontSet (dpy, fs);
1541 if (Input_Context == NULL)
1543 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1549 // unfortunately, only the focus window is used by XIM, hard to fix
1550 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1574 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1575 if (rs[Rs_imLocale])
1576 SET_LOCALE (rs[Rs_imLocale]);
1579 p = rs[Rs_inputMethod];
1584 s = rxvt_splitcommastring (p);
1586 for (i = 0; s[i]; i++)
1590 strcpy (buf, "@im=");
1591 strncat (buf, s[i], IMBUFSIZ - 5);
1592 if (IM_get_IC (buf))
1600 rxvt_freecommastring (s);
1606 /* try with XMODIFIERS env. var. */
1610 /* try with no modifiers base IF the user didn't specify an IM */
1611 if (IM_get_IC ("@im=none"))
1615 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1616 if (rs[Rs_imLocale])
1617 SET_LOCALE (locale);
1622 rxvt_term::IMSetPosition ()
1624 XRectangle preedit_rect, status_rect, *needed_rect;
1625 XVaNestedList preedit_attr, status_attr;
1629 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1633 if (input_style & XIMPreeditPosition)
1635 im_set_size (preedit_rect);
1636 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1638 XSetICValues (Input_Context,
1639 XNPreeditAttributes, preedit_attr, NULL);
1643 /* Getting the necessary width of preedit area */
1644 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1645 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1646 XFree (status_attr);
1648 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1649 XFree (needed_rect);
1651 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1652 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1654 XSetICValues (Input_Context,
1655 XNPreeditAttributes, preedit_attr,
1656 XNStatusAttributes, status_attr,
1659 XFree (status_attr);
1662 XFree (preedit_attr);
1664 #endif /* USE_XIM */
1666 /*----------------------- end-of-file (C source) -----------------------*/