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 */
47 #ifdef HAVE_XSETLOCALE
49 # include <X11/Xlocale.h>
51 # ifdef HAVE_SETLOCALE
56 vector<rxvt_term *> rxvt_term::termlist;
58 // used to tell global functions which terminal instance is "active"
59 rxvt_t rxvt_current_term;
61 static char curlocale[128], savelocale[128];
64 rxvt_set_locale (const char *locale) NOTHROW
66 int size = strlen (locale) + 1;
68 if (size > sizeof (curlocale))
69 rxvt_fatal ("locale string too long, aborting.\n");
71 if (!locale || !memcmp (locale, curlocale, size))
74 memcpy (curlocale, locale, size);
75 setlocale (LC_CTYPE, curlocale);
80 rxvt_push_locale (const char *locale) NOTHROW
82 strcpy (savelocale, curlocale);
83 rxvt_set_locale (locale);
87 rxvt_pop_locale () NOTHROW
89 rxvt_set_locale (savelocale);
93 class rxvt_composite_vec rxvt_composite;
95 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
99 // break compose chains, as stupid readline really likes to duplicate
100 // composing characters for some reason near the end of a line.
104 if (cc->c2 == c2) return c1;
105 cc = (*this)[cc->c1];
108 // check to see wether this combination already exists otherwise
109 for (cc = v.end (); cc-- > v.begin (); )
111 if (cc->c1 == c1 && cc->c2 == c2)
112 return COMPOSE_LO + (cc - v.begin ());
115 // allocate a new combination
116 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
121 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
123 return REPLACEMENT_CHAR;
126 v.push_back (compose_char (c1, c2));
128 return v.size () - 1 + COMPOSE_LO;
131 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
133 compose_char *cc = (*this)[c];
141 int len = expand (cc->c1, r);
145 if (cc->c2 != NOCHAR)
148 if (r) *r++ = cc->c2;
156 rxvt_term::rxvt_term ()
159 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
162 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this);
165 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this);
167 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
168 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
170 #ifdef SELECTION_SCROLLING
171 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
173 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
174 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
176 #if ENABLE_TRANSPARENCY || ENABLE_PERL
177 rootwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
179 #ifdef HAVE_SCROLLBARS
180 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
183 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
186 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
189 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
191 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
192 prepare_ev.set <rxvt_term, &rxvt_term::prepare_cb> (this);
193 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
194 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
195 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
196 incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
197 termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
198 vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
200 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
202 termlist.push_back (this);
204 #ifdef KEYSYM_RESOURCE
205 keyboard = new keyboard_manager;
209 // clean up the most important stuff, do *not* call x or free mem etc.
210 // for use before an emergency exit
212 rxvt_term::emergency_cleanup ()
215 kill (-cmd_pid, SIGHUP);
221 rxvt_term::~rxvt_term ()
223 termlist.erase (find (termlist.begin (), termlist.end(), this));
225 emergency_cleanup ();
228 for (int i = RS_styleCount; --i; )
229 if (fontset[i] != fontset[0])
241 #ifdef XTERM_SCROLLBAR
242 if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
243 if (ShadowGC) XFreeGC (dpy, ShadowGC);
245 #ifdef PLAIN_SCROLLBAR
246 if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
248 #ifdef NEXT_SCROLLBAR
249 if (blackGC) XFreeGC (dpy, blackGC);
250 if (whiteGC) XFreeGC (dpy, whiteGC);
251 if (grayGC) XFreeGC (dpy, grayGC);
252 if (darkGC) XFreeGC (dpy, darkGC);
253 if (stippleGC) XFreeGC (dpy, stippleGC);
254 if (dimple) XFreePixmap (dpy, dimple);
255 if (upArrow) XFreePixmap (dpy, upArrow);
256 if (downArrow) XFreePixmap (dpy, downArrow);
257 if (upArrowHi) XFreePixmap (dpy, upArrowHi);
258 if (downArrowHi) XFreePixmap (dpy, downArrowHi);
260 #ifdef RXVT_SCROLLBAR
261 if (topShadowGC) XFreeGC (dpy, topShadowGC);
262 if (botShadowGC) XFreeGC (dpy, botShadowGC);
263 if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
265 if (gc) XFreeGC (dpy, gc);
268 // destroy all windows
270 XDestroyWindow (dpy, parent[0]);
272 for (int i = 0; i < TOTAL_COLORS; i++)
273 if (ISSET_PIXCOLOR (i))
275 pix_colors_focused [i].free (this);
277 pix_colors_unfocused [i].free (this);
284 delete [] pix_colors_focused;
286 delete [] pix_colors_unfocused;
289 #ifdef HAVE_BG_PIXMAP
292 displays.put (display);
296 /* clear all resources */
297 for (int i = 0; i < allocated.size (); i++)
298 free (allocated [i]);
300 free (selection.text);
301 // TODO: manage env vars in child only(!)
311 #ifdef KEYSYM_RESOURCE
315 XrmDestroyDatabase (option_db);
319 // child has exited, usually destroys
321 rxvt_term::child_cb (ev::child &w, int status)
323 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
327 if (!option (Opt_hold))
332 rxvt_term::destroy ()
334 if (ev_is_active (&destroy_ev))
337 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
346 im_ev.stop (display);
349 scrollbar_ev.stop (display);
351 #if ENABLE_TRANSPARENCY || ENABLE_PERL
352 rootwin_ev.stop (display);
355 termwin_ev.stop (display);
356 vt_ev.stop (display);
362 cursor_blink_ev.stop ();
365 text_blink_ev.stop ();
367 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
368 cont_scroll_ev.stop ();
370 #ifdef SELECTION_SCROLLING
371 sel_scroll_ev.stop ();
381 rxvt_term::destroy_cb (ev::idle &w, int revents)
388 /*----------------------------------------------------------------------*/
390 * Exit gracefully, clearing the utmp entry and restoring tty attributes
391 * TODO: if debugging, this should free up any known resources if we can
393 static XErrorHandler old_xerror_handler;
396 rxvt_emergency_cleanup ()
398 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
399 (*t)->emergency_cleanup ();
404 print_x_error (Display *dpy, XErrorEvent *event)
409 char *mtype = "XlibMessage";
410 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
411 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
412 rxvt_warn ("An X Error occured, trying to continue after report.\n");
413 rxvt_warn ("%s: %s\n", mesg, buffer);
414 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
415 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
416 sprintf(number, "%d", event->request_code);
417 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
418 rxvt_warn ("(which is %s)\n", buffer);
419 if (event->request_code >= 128) {
420 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
422 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
424 if ((event->error_code == BadWindow) ||
425 (event->error_code == BadPixmap) ||
426 (event->error_code == BadCursor) ||
427 (event->error_code == BadFont) ||
428 (event->error_code == BadDrawable) ||
429 (event->error_code == BadColor) ||
430 (event->error_code == BadGC) ||
431 (event->error_code == BadIDChoice) ||
432 (event->error_code == BadValue) ||
433 (event->error_code == BadAtom)) {
434 if (event->error_code == BadValue)
435 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
437 else if (event->error_code == BadAtom)
438 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
441 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
443 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
445 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
447 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
452 rxvt_xerror_handler (Display *display, XErrorEvent *event)
454 if (GET_R->allowedxerror == -1)
455 GET_R->allowedxerror = event->error_code;
458 // GET_R is most likely not the terminal which caused the error,
459 // so just output the error and continue
461 old_xerror_handler (display, event);
463 print_x_error (display, event);
471 rxvt_xioerror_handler (Display *display)
473 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
474 DisplayString (display));
475 rxvt_emergency_cleanup ();
476 _exit (EXIT_FAILURE);
479 /*----------------------------------------------------------------------*/
481 rxvt_term::init (int argc, const char *const *argv, stringvec *envv)
487 set_environ (envv); // few things in X do not call setlocale :(
494 const char **cmd_argv = init_resources (argc, argv);
496 #ifdef KEYSYM_RESOURCE
497 keyboard->register_done ();
500 #ifdef HAVE_SCROLLBARS
501 if (option (Opt_scrollBar))
502 scrollBar.setIdle (); /* set existence for size calculations */
505 pty = ptytty::create ();
507 create_windows (argc, argv);
511 scr_reset (); // initialize screen
514 XSynchronize (dpy, True);
517 #ifdef HAVE_SCROLLBARS
518 if (option (Opt_scrollBar))
519 resize_scrollbar (); /* create and map scrollbar */
521 #ifdef HAVE_BG_PIXMAP
523 bgPixmap.set_target (this);
525 #ifdef ENABLE_TRANSPARENCY
526 if (option (Opt_transparent))
528 bgPixmap.set_transparent ();
529 #ifdef HAVE_AFTERIMAGE
530 if (rs [Rs_blurradius])
531 bgPixmap.set_blur_radius (rs [Rs_blurradius]);
533 if (ISSET_PIXCOLOR (Color_tint))
534 bgPixmap.set_tint (pix_colors_focused [Color_tint]);
536 bgPixmap.set_shade (rs [Rs_shade]);
538 bgPixmap.set_root_pixmap ();
539 XSelectInput (dpy, display->root, PropertyChangeMask);
540 rootwin_ev.start (display, display->root);
544 #ifdef BG_IMAGE_FROM_FILE
545 if (rs[Rs_backgroundPixmap] != NULL)
547 const char *p = rs[Rs_backgroundPixmap];
549 if ((p = strchr (p, ';')) != NULL)
552 bgPixmap.set_geometry (p);
555 bgPixmap.set_defaultGeometry ();
557 if (bgPixmap.set_file (rs[Rs_backgroundPixmap]))
558 if (!bgPixmap.window_position_sensitive ())
559 update_background ();
566 rootwin_ev.start (display, display->root);
571 init_command (cmd_argv);
576 pty_ev.start (pty->pty, ev::READ);
580 HOOK_INVOKE ((this, HOOK_START, DT_END));
585 long info[2] = { 0, XEMBED_MAPPED };
587 XChangeProperty (dpy, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO],
588 32, PropModeReplace, (unsigned char *)&info, 2);
592 XMapWindow (dpy, vt);
593 XMapWindow (dpy, parent[0]);
598 static struct sig_handlers
600 ev::sig sw_term, sw_int;
603 * Catch a fatal signal and tidy up before quitting
605 void sig_term (ev::sig &w, int revents);
609 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
610 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
615 sig_handlers::sig_term (ev::sig &w, int revents)
617 rxvt_emergency_cleanup ();
619 kill (getpid (), w.signum);
622 char **rxvt_environ; // startup environment
629 if (!ev_default_loop (0))
630 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
632 rxvt_environ = environ;
634 signal (SIGHUP, SIG_IGN);
635 signal (SIGPIPE, SIG_IGN);
637 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
638 sig_handlers.sw_int.start (SIGINT); ev_unref ();
640 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
641 /* signal (SIGURG, SIG_DFL); */
643 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
644 // TODO: handle this with exceptions and tolerate the memory loss
645 XSetIOErrorHandler (rxvt_xioerror_handler);
650 /* ------------------------------------------------------------------------- *
651 * MEMORY ALLOCATION WRAPPERS *
652 * ------------------------------------------------------------------------- */
654 rxvt_malloc (size_t size)
656 void *p = malloc (size);
659 rxvt_fatal ("memory allocation failure. aborting.\n");
665 rxvt_calloc (size_t number, size_t size)
667 void *p = calloc (number, size);
670 rxvt_fatal ("memory allocation failure. aborting.\n");
676 rxvt_realloc (void *ptr, size_t size)
678 void *p = realloc (ptr, size);
681 rxvt_fatal ("memory allocation failure. aborting.\n");
686 /*----------------------------------------------------------------------*/
688 * window size/position calculations for XSizeHint and other storage.
689 * if width/height are non-zero then override calculated width/height
692 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
694 short recalc_x, recalc_y;
695 int x, y, sb_w, flags;
697 unsigned int max_width, max_height;
699 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
700 szHint.win_gravity = NorthWestGravity;
701 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
703 recalc_x = recalc_y = 0;
706 if (!parsed_geometry)
711 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
713 if (flags & WidthValue)
715 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
716 szHint.flags |= USSize;
719 if (flags & HeightValue)
721 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
722 szHint.flags |= USSize;
728 szHint.flags |= USPosition;
730 if (flags & XNegative)
733 szHint.win_gravity = NorthEastGravity;
740 szHint.flags |= USPosition;
742 if (flags & YNegative)
746 if (szHint.win_gravity == NorthEastGravity)
747 szHint.win_gravity = SouthEastGravity;
749 szHint.win_gravity = SouthWestGravity;
755 width = ncol * fwidth;
756 height = nrow * fheight;
757 max_width = MAX_COLS * fwidth;
758 max_height = MAX_ROWS * fheight;
760 szHint.base_width = szHint.base_height = 2 * int_bwidth;
763 window_vt_x = window_vt_y = int_bwidth;
767 sb_w = scrollbar_TotalWidth ();
768 szHint.base_width += sb_w;
770 if (!option (Opt_scrollBar_right))
774 szHint.width_inc = fwidth;
775 szHint.height_inc = fheight;
776 szHint.min_width = szHint.base_width + szHint.width_inc;
777 szHint.min_height = szHint.base_height + szHint.height_inc;
779 if (newwidth && newwidth - szHint.base_width < max_width)
781 szHint.width = newwidth;
782 width = newwidth - szHint.base_width;
786 min_it (width, max_width);
787 szHint.width = szHint.base_width + width;
790 if (newheight && newheight - szHint.base_height < max_height)
792 szHint.height = newheight;
793 height = newheight - szHint.base_height;
797 min_it (height, max_height);
798 szHint.height = szHint.base_height + height;
801 if (scrollBar.state && option (Opt_scrollBar_right))
802 window_sb_x = szHint.width - sb_w;
805 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
808 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
810 ncol = width / fwidth;
811 nrow = height / fheight;
814 /*----------------------------------------------------------------------*/
816 * Tell the teletype handler what size the window is.
817 * Called after a window size change.
820 rxvt_term::tt_winch ()
829 ws.ws_xpixel = width;
830 ws.ws_ypixel = height;
831 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
834 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
835 if (cmd_pid) /* force through to the command */
836 kill (-cmd_pid, SIGWINCH);
840 /*----------------------------------------------------------------------*/
841 /* set_fonts () - load and set the various fonts
843 * init = 1 - initialize
845 * fontname == FONT_UP - switch to bigger font
846 * fontname == FONT_DN - switch to smaller font
849 rxvt_term::set_fonts ()
851 rxvt_fontset *fs = new rxvt_fontset (this);
855 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
856 || !fs->realize_font (1))
863 for (int i = RS_styleCount; --i; )
864 if (fontset[i] != fontset[0])
871 prop = (*fs)[1]->properties ();
872 prop.height += lineSpace;
874 fs->set_prop (prop, false);
877 fheight = prop.height;
880 for (int style = 1; style < 4; style++)
883 const char *res = rs[Rs_font + style];
886 fontset[style] = fontset[0];
889 fontset[style] = fs = new rxvt_fontset (this);
890 rxvt_fontprop prop2 = prop;
895 fs->set_prop (prop2, false);
899 fs->populate (fontset[0]->fontdesc);
901 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
902 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
904 fs->set_prop (prop2, true);
909 fontset[style] = fontset[0];
915 resize_all_windows (0, 0, 0);
924 rxvt_term::set_string_property (Atom prop, const char *str, int len)
926 XChangeProperty (dpy, parent[0],
927 prop, XA_STRING, 8, PropModeReplace,
928 (const unsigned char *)str, len >= 0 ? len : strlen (str));
932 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
934 wchar_t *ws = rxvt_mbstowcs (str, len);
935 char *s = rxvt_wcstoutf8 (ws);
937 XChangeProperty (dpy, parent[0],
938 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
939 (const unsigned char *)s, strlen (s));
945 /*----------------------------------------------------------------------*/
946 /*----------------------------------------------------------------------*/
947 /* xterm sequences - title, iconName, color (exptl) */
949 rxvt_term::set_title (const char *str)
951 set_string_property (XA_WM_NAME, str);
953 set_utf8_property (xa[XA_NET_WM_NAME], str);
958 rxvt_term::set_icon_name (const char *str)
960 set_string_property (XA_WM_ICON_NAME, str);
962 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
967 rxvt_term::set_window_color (int idx, const char *color)
969 #ifdef XTERM_COLOR_CHANGE
973 if (color == NULL || *color == '\0')
976 color = strdup (color);
977 allocated.push_back ((void *)color);
978 rs[Rs_color + idx] = color;
980 /* handle color aliases */
981 if (isdigit (*color))
985 if (i >= 8 && i <= 15)
988 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
992 if (i >= 0 && i <= 7)
995 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
1000 set_color (xcol, color);
1003 * FIXME: should free colors here, but no idea how to do it so instead,
1004 * so just keep gobbling up the colormap
1007 pix_colors_focused[idx] = xcol;
1010 /*TODO: handle Color_BD, scrollbar background, etc. */
1012 update_fade_color (idx);
1015 #endif /* XTERM_COLOR_CHANGE */
1019 rxvt_term::recolour_cursor ()
1023 (ISSET_PIXCOLOR (Color_pointer_fg)
1024 ? pix_colors_focused[Color_pointer_fg]
1025 : pix_colors_focused[Color_fg]).get (fg);
1027 (ISSET_PIXCOLOR (Color_pointer_bg)
1028 ? pix_colors_focused[Color_pointer_bg]
1029 : pix_colors_focused[Color_bg]).get (bg);
1031 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
1034 /*----------------------------------------------------------------------*/
1036 * find if fg/bg matches any of the normal (low-intensity) colors
1039 rxvt_term::set_colorfgbg ()
1042 const char *xpmb = "";
1043 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
1045 strcpy (fstr, "default");
1046 strcpy (bstr, "default");
1047 for (i = Color_Black; i <= Color_White; i++)
1048 if (pix_colors[Color_fg] == pix_colors[i])
1050 sprintf (fstr, "%d", (i - Color_Black));
1054 for (i = Color_Black; i <= Color_White; i++)
1055 if (pix_colors[Color_bg] == pix_colors[i])
1057 sprintf (bstr, "%d", (i - Color_Black));
1058 #ifdef BG_IMAGE_FROM_FILE
1064 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1067 /*----------------------------------------------------------------------*/
1070 rxvt_term::set_color (rxvt_color &color, const char *name)
1072 if (color.set (this, name))
1075 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
1080 rxvt_term::alias_color (int dst, int src)
1082 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
1085 /* -------------------------------------------------------------------- *
1086 * - WINDOW RESIZING - *
1087 * -------------------------------------------------------------------- */
1089 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
1092 int old_width = szHint.width;
1093 int old_height = szHint.height;
1095 window_calc (newwidth, newheight);
1097 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
1098 XSetWMNormalHints (dpy, parent[0], &szHint);
1104 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1105 * reposition window on resize depending on placement on screen
1109 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1112 XTranslateCoordinates (dpy, parent[0], display->root,
1113 0, 0, &x, &y, &unused_cr);
1114 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
1115 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1117 * if display->root isn't the parent window, a WM will probably have offset
1118 * our position for handles and decorations. Counter it
1120 if (x1 != x || y1 != y)
1126 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
1127 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
1128 dx = old_width - szHint.width;
1129 dy = old_height - szHint.height;
1131 /* Check position of the center of the window */
1132 if (x < x1) /* left half */
1134 else if (x == x1) /* exact center */
1136 if (y < y1) /* top half */
1138 else if (y == y1) /* exact center */
1141 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
1142 szHint.width, szHint.height);
1144 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
1148 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
1150 if (fix_screen || newwidth != old_width || newheight != old_height)
1152 if (scrollBar.state)
1154 XMoveResizeWindow (dpy, scrollBar.win,
1156 scrollbar_TotalWidth (), szHint.height);
1157 resize_scrollbar ();
1160 XMoveResizeWindow (dpy, vt,
1161 window_vt_x, window_vt_y,
1164 #ifdef HAVE_BG_PIXMAP
1165 if (bgPixmap.window_size_sensitive ())
1166 update_background ();
1172 if (fix_screen || old_height == 0)
1175 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1176 //scr_touch (false);
1178 #ifdef HAVE_BG_PIXMAP
1179 // TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1180 // if (bgPixmap.pixmap)
1181 // scr_touch (false);
1190 * Set the width/height of the vt window in characters. Units are pixels.
1191 * good for toggling 80/132 columns
1194 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1196 XWindowAttributes wattr;
1198 if (newwidth == 0 || newheight == 0)
1200 XGetWindowAttributes (dpy, display->root, &wattr);
1203 newwidth = wattr.width - szHint.base_width;
1205 newheight = wattr.height - szHint.base_height;
1208 if (newwidth != width || newheight != height)
1210 newwidth += szHint.base_width;
1211 newheight += szHint.base_height;
1212 resize_all_windows (newwidth, newheight, 0);
1216 /* -------------------------------------------------------------------- *
1217 * - X INPUT METHOD ROUTINES - *
1218 * -------------------------------------------------------------------- */
1222 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1224 fg = pix_colors [Color_fg];
1225 bg = pix_colors [Color_bg];
1229 rxvt_term::im_set_size (XRectangle &size)
1231 // the int_bwidth terms make no sense to me
1232 size.x = int_bwidth;
1233 size.y = int_bwidth;
1234 size.width = Width2Pixel (ncol) + int_bwidth;
1235 size.height = Height2Pixel (nrow) + int_bwidth;
1239 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1240 XRectangle &status_rect,
1241 const XRectangle &needed_rect)
1243 preedit_rect.x = needed_rect.width;
1245 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1246 preedit_rect.height = fheight;
1250 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1251 status_rect.height = fheight;
1254 /* Checking whether input method is running. */
1256 rxvt_term::IMisRunning ()
1261 char server[IMBUFSIZ];
1263 /* get current locale modifier */
1264 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1266 strcpy (server, "@server=");
1267 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1269 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1272 atom = XInternAtom (dpy, server, False);
1273 win = XGetSelectionOwner (dpy, atom);
1283 rxvt_term::IMSendSpot ()
1286 XVaNestedList preedit_attr;
1290 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1293 im_set_position (nspot);
1295 if (nspot.x == spot.x && nspot.y == spot.y)
1300 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1301 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1302 XFree (preedit_attr);
1306 rxvt_term::im_destroy ()
1310 if (Input_Context && input_method->xim)
1311 XDestroyIC (Input_Context);
1313 display->put_xim (input_method);
1320 #ifdef ENABLE_XIM_ONTHESPOT
1323 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1325 ((rxvt_term *)client_data)->make_current ();
1326 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1330 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1332 ((rxvt_term *)client_data)->make_current ();
1333 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1337 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1339 rxvt_term *term = (rxvt_term *)client_data;
1340 XIMText *text = call_data->text;
1342 term->make_current ();
1348 if (!text->encoding_is_wchar && text->string.multi_byte)
1350 // of course, X makes it ugly again
1351 if (term->rs[Rs_imLocale])
1352 SET_LOCALE (term->rs[Rs_imLocale]);
1354 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1355 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1357 if (term->rs[Rs_imLocale])
1358 SET_LOCALE (term->locale);
1361 str = (void *)text->string.wide_char;
1363 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1364 DT_INT, call_data->caret,
1365 DT_INT, call_data->chg_first,
1366 DT_INT, call_data->chg_length,
1367 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1368 DT_WCS_LEN, str, str ? (int)text->length : 0,
1372 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1373 DT_INT, call_data->caret,
1374 DT_INT, call_data->chg_first,
1375 DT_INT, call_data->chg_length,
1381 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1383 ((rxvt_term *)client_data)->make_current ();
1384 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1385 DT_INT, call_data->position,
1386 DT_INT, call_data->direction,
1387 DT_INT, call_data->style,
1395 * Try to open a XIM with the current modifiers, then see if we can
1396 * open a suitable preedit type
1399 rxvt_term::IM_get_IC (const char *modifiers)
1404 XRectangle rect, status_rect, needed_rect;
1405 unsigned long fg, bg;
1408 XIMStyles *xim_styles;
1409 #ifdef ENABLE_XIM_ONTHESPOT
1415 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1418 input_method = display->get_xim (locale, modifiers);
1419 if (input_method == NULL)
1422 xim = input_method->xim;
1423 spot.x = spot.y = -1;
1426 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1427 || !xim_styles || !xim_styles->count_styles)
1433 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1435 for (int pi = 0; pi < 2; pi++)
1442 s = rxvt_splitcommastring (p);
1444 for (i = found = 0; !found && s[i]; i++)
1446 if (!strcmp (s[i], "OverTheSpot"))
1447 input_style = XIMPreeditPosition | XIMStatusNothing;
1448 else if (!strcmp (s[i], "OffTheSpot"))
1449 input_style = XIMPreeditArea | XIMStatusArea;
1450 else if (!strcmp (s[i], "Root"))
1451 input_style = XIMPreeditNothing | XIMStatusNothing;
1452 else if (!strcmp (s[i], "None"))
1453 input_style = XIMPreeditNone | XIMStatusNone;
1454 #ifdef ENABLE_XIM_ONTHESPOT
1455 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1456 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1459 input_style = XIMPreeditNothing | XIMStatusNothing;
1461 for (j = 0; j < xim_styles->count_styles; j++)
1462 if (input_style == xim_styles->supported_styles[j])
1464 rxvt_freecommastring (s);
1472 rxvt_freecommastring (s);
1486 XVaNestedList preedit_attr = 0, status_attr = 0;
1488 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1490 // fake us a font-set, please
1491 char **missing_charset_list;
1492 int missing_charset_count;
1497 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1498 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1499 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1500 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1501 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1504 fheight + 1, fheight - 1,
1505 fheight - 2, fheight + 2);
1507 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1508 &missing_charset_list, &missing_charset_count, &def_string);
1510 if (missing_charset_list)
1511 XFreeStringList (missing_charset_list);
1515 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1516 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1520 if (input_style & XIMPreeditPosition)
1523 im_set_position (spot);
1524 im_set_color (fg, bg);
1526 preedit_attr = XVaCreateNestedList (0,
1530 XNSpotLocation, &spot,
1534 else if (input_style & XIMPreeditArea)
1536 im_set_color (fg, bg);
1539 * The necessary width of preedit area is unknown
1540 * until create input context.
1542 needed_rect.width = 0;
1543 im_set_preedit_area (rect, status_rect, needed_rect);
1545 preedit_attr = XVaCreateNestedList (0,
1551 status_attr = XVaCreateNestedList (0,
1554 XNArea, &status_rect,
1558 #if ENABLE_XIM_ONTHESPOT
1559 else if (input_style & XIMPreeditCallbacks)
1561 im_set_position (spot);
1563 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1564 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1565 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1567 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1570 preedit_attr = XVaCreateNestedList (0,
1571 XNSpotLocation, &spot,
1572 XNPreeditStartCallback, &xcb[0],
1573 XNPreeditDoneCallback , &xcb[1],
1574 XNPreeditDrawCallback , &xcb[2],
1576 XNPreeditCaretCallback, &xcb[3],
1582 Input_Context = XCreateIC (xim,
1583 XNInputStyle, input_style,
1585 XNFocusWindow, parent[0],
1586 preedit_attr ? XNPreeditAttributes : NULL,
1588 status_attr ? XNStatusAttributes : NULL,
1591 if (preedit_attr) XFree (preedit_attr);
1592 if (status_attr) XFree (status_attr);
1593 if (fs) XFreeFontSet (dpy, fs);
1595 if (Input_Context == NULL)
1597 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1603 // unfortunately, only the focus window is used by XIM, hard to fix
1604 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1628 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1629 if (rs[Rs_imLocale])
1630 SET_LOCALE (rs[Rs_imLocale]);
1633 p = rs[Rs_inputMethod];
1638 s = rxvt_splitcommastring (p);
1640 for (i = 0; s[i]; i++)
1644 strcpy (buf, "@im=");
1645 strncat (buf, s[i], IMBUFSIZ - 5);
1646 if (IM_get_IC (buf))
1654 rxvt_freecommastring (s);
1660 /* try with XMODIFIERS env. var. */
1664 /* try with no modifiers base IF the user didn't specify an IM */
1665 if (IM_get_IC ("@im=none"))
1669 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1670 if (rs[Rs_imLocale])
1671 SET_LOCALE (locale);
1676 rxvt_term::IMSetPosition ()
1678 XRectangle preedit_rect, status_rect, *needed_rect;
1679 XVaNestedList preedit_attr, status_attr;
1683 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1687 if (input_style & XIMPreeditPosition)
1689 im_set_size (preedit_rect);
1690 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1692 XSetICValues (Input_Context,
1693 XNPreeditAttributes, preedit_attr, NULL);
1697 /* Getting the necessary width of preedit area */
1698 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1699 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1700 XFree (status_attr);
1702 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1703 XFree (needed_rect);
1705 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1706 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1708 XSetICValues (Input_Context,
1709 XNPreeditAttributes, preedit_attr,
1710 XNStatusAttributes, status_attr,
1713 XFree (status_attr);
1716 XFree (preedit_attr);
1718 #endif /* USE_XIM */
1721 rxvt_term::get_window_origin (int &x, int &y)
1724 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1725 /* fprintf( stderr, "origin is %+d%+d\n", x, y);*/
1729 rxvt_term::get_pixmap_property (int prop_id)
1731 if (prop_id > 0 && prop_id < NUM_XA)
1735 unsigned long nitems, bytes_after;
1737 unsigned char *prop = NULL;
1738 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1739 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1740 &nitems, &bytes_after, &prop);
1741 if (result == Success && prop && atype == XA_PIXMAP)
1743 return *(Pixmap *)prop;
1749 #ifdef HAVE_BG_PIXMAP
1751 # undef update_background
1752 int rxvt_term::trace_update_background (const char *file, int line)
1754 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1755 update_background ();
1760 rxvt_term::update_background ()
1762 bgPixmap.invalidate ();
1764 /* no chance of real time refresh if we are blurring! */
1765 if (bgPixmap.invalid_since + 0.5 < ev::now () && !(bgPixmap.flags & bgPixmap_t::blurNeeded))
1769 update_background_ev.stop ();
1771 if (!bgPixmap.need_client_side_rendering())
1772 update_background_ev.start (.05);
1773 else if (bgPixmap.flags & bgPixmap_t::blurNeeded)
1774 update_background_ev.start (.20); /* very slow !!! */
1776 update_background_ev.start (.07);
1783 rxvt_term::update_background_cb (ev::timer &w, int revents)
1788 #endif /* HAVE_BG_PIXMAP */
1790 /*----------------------- end-of-file (C source) -----------------------*/