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) 2003-2008 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 */
45 #ifdef HAVE_XSETLOCALE
47 # include <X11/Xlocale.h>
49 # ifdef HAVE_SETLOCALE
54 vector<rxvt_term *> rxvt_term::termlist;
56 // used to tell global functions which terminal instance is "active"
57 rxvt_t rxvt_current_term;
59 static char curlocale[128], savelocale[128];
62 rxvt_set_locale (const char *locale) NOTHROW
64 int size = strlen (locale) + 1;
66 if (size > sizeof (curlocale))
67 rxvt_fatal ("locale string too long, aborting.\n");
69 if (!locale || !memcmp (locale, curlocale, size))
72 memcpy (curlocale, locale, size);
73 setlocale (LC_CTYPE, curlocale);
78 rxvt_push_locale (const char *locale) NOTHROW
80 strcpy (savelocale, curlocale);
81 rxvt_set_locale (locale);
85 rxvt_pop_locale () NOTHROW
87 rxvt_set_locale (savelocale);
91 class rxvt_composite_vec rxvt_composite;
93 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
97 // break compose chains, as stupid readline really likes to duplicate
98 // composing characters for some reason near the end of a line.
102 if (cc->c2 == c2) return c1;
103 cc = (*this)[cc->c1];
106 // check to see wether this combination already exists otherwise
107 for (cc = v.end (); cc-- > v.begin (); )
109 if (cc->c1 == c1 && cc->c2 == c2)
110 return COMPOSE_LO + (cc - v.begin ());
113 // allocate a new combination
114 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
119 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
121 return REPLACEMENT_CHAR;
124 v.push_back (compose_char (c1, c2));
126 return v.size () - 1 + COMPOSE_LO;
129 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
131 compose_char *cc = (*this)[c];
139 int len = expand (cc->c1, r);
143 if (cc->c2 != NOCHAR)
146 if (r) *r++ = cc->c2;
154 rxvt_term::rxvt_term ()
157 update_background_ev.set<rxvt_term, &rxvt_term::update_background_cb> (this);
160 cursor_blink_ev.set <rxvt_term, &rxvt_term::cursor_blink_cb> (this); cursor_blink_ev.set (0., CURSOR_BLINK_INTERVAL);
163 text_blink_ev.set <rxvt_term, &rxvt_term::text_blink_cb> (this); text_blink_ev.set (0., TEXT_BLINK_INTERVAL);
165 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
166 cont_scroll_ev.set <rxvt_term, &rxvt_term::cont_scroll_cb> (this);
168 #ifdef SELECTION_SCROLLING
169 sel_scroll_ev.set <rxvt_term, &rxvt_term::sel_scroll_cb> (this);
171 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
172 slip_wheel_ev.set <rxvt_term, &rxvt_term::slip_wheel_cb> (this);
174 #if ENABLE_TRANSPARENCY || ENABLE_PERL
175 rootwin_ev.set <rxvt_term, &rxvt_term::rootwin_cb> (this),
177 scrollbar_ev.set <rxvt_term, &rxvt_term::x_cb> (this),
179 im_ev.set <rxvt_term, &rxvt_term::im_cb> (this),
182 pointer_ev.set <rxvt_term, &rxvt_term::pointer_cb> (this);
185 bell_ev.set <rxvt_term, &rxvt_term::bell_cb> (this);
187 child_ev.set <rxvt_term, &rxvt_term::child_cb> (this);
188 flush_ev.set <rxvt_term, &rxvt_term::flush_cb> (this);
189 destroy_ev.set <rxvt_term, &rxvt_term::destroy_cb> (this);
190 pty_ev.set <rxvt_term, &rxvt_term::pty_cb> (this);
191 incr_ev.set <rxvt_term, &rxvt_term::incr_cb> (this);
192 termwin_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
193 vt_ev.set <rxvt_term, &rxvt_term::x_cb> (this);
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
207 rxvt_term::emergency_cleanup ()
210 kill (-cmd_pid, SIGHUP);
216 rxvt_term::~rxvt_term ()
218 termlist.erase (find (termlist.begin (), termlist.end(), this));
220 emergency_cleanup ();
223 for (int i = RS_styleCount; --i; )
224 if (fontset[i] != fontset[0])
229 #ifdef HAVE_BG_PIXMAP
240 #ifdef XTERM_SCROLLBAR
241 if (xscrollbarGC) XFreeGC (dpy, xscrollbarGC);
242 if (ShadowGC) XFreeGC (dpy, ShadowGC);
244 #ifdef PLAIN_SCROLLBAR
245 if (pscrollbarGC) XFreeGC (dpy, pscrollbarGC);
247 #ifdef NEXT_SCROLLBAR
248 if (blackGC) XFreeGC (dpy, blackGC);
249 if (whiteGC) XFreeGC (dpy, whiteGC);
250 if (grayGC) XFreeGC (dpy, grayGC);
251 if (darkGC) XFreeGC (dpy, darkGC);
252 if (stippleGC) XFreeGC (dpy, stippleGC);
253 if (dimple) XFreePixmap (dpy, dimple);
254 if (upArrow) XFreePixmap (dpy, upArrow);
255 if (downArrow) XFreePixmap (dpy, downArrow);
256 if (upArrowHi) XFreePixmap (dpy, upArrowHi);
257 if (downArrowHi) XFreePixmap (dpy, downArrowHi);
259 #ifdef RXVT_SCROLLBAR
260 if (topShadowGC) XFreeGC (dpy, topShadowGC);
261 if (botShadowGC) XFreeGC (dpy, botShadowGC);
262 if (scrollbarGC) XFreeGC (dpy, scrollbarGC);
264 if (gc) XFreeGC (dpy, gc);
267 // destroy all windows
269 XDestroyWindow (dpy, parent[0]);
271 for (int i = 0; i < TOTAL_COLORS; i++)
272 if (ISSET_PIXCOLOR (i))
274 pix_colors_focused [i].free (this);
276 pix_colors_unfocused [i].free (this);
282 display->flush (); /* ideally .put should do this */
283 displays.put (display);
288 /* clear all resources */
289 for (int i = 0; i < allocated.size (); i++)
290 free (allocated [i]);
292 free (selection.text);
293 // TODO: manage env vars in child only(!)
303 #ifdef KEYSYM_RESOURCE
307 XrmDestroyDatabase (option_db);
311 // child has exited, usually destroys
313 rxvt_term::child_cb (ev::child &w, int status)
315 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
319 if (!option (Opt_hold))
324 rxvt_term::destroy ()
326 if (destroy_ev.is_active ())
329 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
338 im_ev.stop (display);
340 scrollbar_ev.stop (display);
341 #if ENABLE_TRANSPARENCY || ENABLE_PERL
342 rootwin_ev.stop (display);
345 termwin_ev.stop (display);
346 vt_ev.stop (display);
352 cursor_blink_ev.stop ();
355 text_blink_ev.stop ();
357 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
358 cont_scroll_ev.stop ();
360 #ifdef SELECTION_SCROLLING
361 sel_scroll_ev.stop ();
371 rxvt_term::destroy_cb (ev::idle &w, int revents)
378 /*----------------------------------------------------------------------*/
380 * Exit gracefully, clearing the utmp entry and restoring tty attributes
381 * TODO: if debugging, this should free up any known resources if we can
383 static XErrorHandler old_xerror_handler;
386 rxvt_emergency_cleanup ()
388 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
389 (*t)->emergency_cleanup ();
394 print_x_error (Display *dpy, XErrorEvent *event)
399 char *mtype = "XlibMessage";
400 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
401 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
402 rxvt_warn ("An X Error occured, trying to continue after report.\n");
403 rxvt_warn ("%s: %s\n", mesg, buffer);
404 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
405 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
406 sprintf(number, "%d", event->request_code);
407 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
408 rxvt_warn ("(which is %s)\n", buffer);
409 if (event->request_code >= 128) {
410 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
412 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
414 if ((event->error_code == BadWindow) ||
415 (event->error_code == BadPixmap) ||
416 (event->error_code == BadCursor) ||
417 (event->error_code == BadFont) ||
418 (event->error_code == BadDrawable) ||
419 (event->error_code == BadColor) ||
420 (event->error_code == BadGC) ||
421 (event->error_code == BadIDChoice) ||
422 (event->error_code == BadValue) ||
423 (event->error_code == BadAtom)) {
424 if (event->error_code == BadValue)
425 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
427 else if (event->error_code == BadAtom)
428 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
431 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
433 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
435 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
437 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
442 rxvt_xerror_handler (Display *display, XErrorEvent *event)
444 if (GET_R->allowedxerror == -1)
445 GET_R->allowedxerror = event->error_code;
448 // GET_R is most likely not the terminal which caused the error,
449 // so just output the error and continue
451 old_xerror_handler (display, event);
453 print_x_error (display, event);
461 rxvt_xioerror_handler (Display *display)
463 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
464 DisplayString (display));
465 rxvt_emergency_cleanup ();
466 _exit (EXIT_FAILURE);
469 static struct sig_handlers
471 ev::sig sw_term, sw_int;
474 * Catch a fatal signal and tidy up before quitting
476 void sig_term (ev::sig &w, int revents);
480 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
481 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
486 sig_handlers::sig_term (ev::sig &w, int revents)
488 rxvt_emergency_cleanup ();
490 kill (getpid (), w.signum);
493 char **rxvt_environ; // startup environment
500 if (!ev_default_loop (0))
501 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
503 rxvt_environ = environ;
505 signal (SIGHUP, SIG_IGN);
506 signal (SIGPIPE, SIG_IGN);
508 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
509 sig_handlers.sw_int.start (SIGINT); ev_unref ();
511 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
512 /* signal (SIGURG, SIG_DFL); */
514 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
515 // TODO: handle this with exceptions and tolerate the memory loss
516 XSetIOErrorHandler (rxvt_xioerror_handler);
521 /*----------------------------------------------------------------------*/
523 * window size/position calculations for XSizeHint and other storage.
524 * if width/height are non-zero then override calculated width/height
527 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
529 short recalc_x, recalc_y;
532 unsigned int max_width, max_height;
534 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
535 szHint.win_gravity = NorthWestGravity;
536 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
538 recalc_x = recalc_y = 0;
541 if (!parsed_geometry)
546 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
548 if (flags & WidthValue)
550 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
551 szHint.flags |= USSize;
554 if (flags & HeightValue)
556 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
557 szHint.flags |= USSize;
563 szHint.flags |= USPosition;
565 if (flags & XNegative)
568 szHint.win_gravity = NorthEastGravity;
575 szHint.flags |= USPosition;
577 if (flags & YNegative)
581 if (szHint.win_gravity == NorthEastGravity)
582 szHint.win_gravity = SouthEastGravity;
584 szHint.win_gravity = SouthWestGravity;
590 width = ncol * fwidth;
591 height = nrow * fheight;
592 max_width = MAX_COLS * fwidth;
593 max_height = MAX_ROWS * fheight;
595 szHint.base_width = szHint.base_height = 2 * int_bwidth;
597 window_vt_x = window_vt_y = int_bwidth;
601 int sb_w = scrollBar.total_width ();
602 szHint.base_width += sb_w;
604 if (!option (Opt_scrollBar_right))
608 szHint.width_inc = fwidth;
609 szHint.height_inc = fheight;
610 szHint.min_width = szHint.base_width + szHint.width_inc;
611 szHint.min_height = szHint.base_height + szHint.height_inc;
613 if (newwidth && newwidth - szHint.base_width < max_width)
615 szHint.width = newwidth;
616 width = newwidth - szHint.base_width;
620 min_it (width, max_width);
621 szHint.width = szHint.base_width + width;
624 if (newheight && newheight - szHint.base_height < max_height)
626 szHint.height = newheight;
627 height = newheight - szHint.base_height;
631 min_it (height, max_height);
632 szHint.height = szHint.base_height + height;
636 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
639 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
641 ncol = width / fwidth;
642 nrow = height / fheight;
645 /*----------------------------------------------------------------------*/
647 * Tell the teletype handler what size the window is.
648 * Called after a window size change.
651 rxvt_term::tt_winch ()
660 ws.ws_xpixel = width;
661 ws.ws_ypixel = height;
662 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
665 // TIOCSWINSZ is supposed to do this automatically and correctly
666 if (cmd_pid) /* force through to the command */
667 kill (-cmd_pid, SIGWINCH);
671 /*----------------------------------------------------------------------*/
672 /* set_fonts () - load and set the various fonts
674 * init = 1 - initialize
676 * fontname == FONT_UP - switch to bigger font
677 * fontname == FONT_DN - switch to smaller font
680 rxvt_term::set_fonts ()
682 rxvt_fontset *fs = new rxvt_fontset (this);
686 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
687 || !fs->realize_font (1))
694 for (int i = RS_styleCount; --i; )
695 if (fontset[i] != fontset[0])
702 prop = (*fs)[1]->properties ();
703 prop.height += lineSpace;
705 fs->set_prop (prop, false);
708 fheight = prop.height;
711 for (int style = 1; style < 4; style++)
714 const char *res = rs[Rs_font + style];
717 fontset[style] = fontset[0];
720 fontset[style] = fs = new rxvt_fontset (this);
721 rxvt_fontprop prop2 = prop;
726 fs->set_prop (prop2, false);
730 fs->populate (fontset[0]->fontdesc);
732 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
733 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
735 fs->set_prop (prop2, true);
740 fontset[style] = fontset[0];
746 resize_all_windows (0, 0, 0);
755 rxvt_term::set_string_property (Atom prop, const char *str, int len)
757 XChangeProperty (dpy, parent[0],
758 prop, XA_STRING, 8, PropModeReplace,
759 (const unsigned char *)str, len >= 0 ? len : strlen (str));
763 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
765 wchar_t *ws = rxvt_mbstowcs (str, len);
766 char *s = rxvt_wcstoutf8 (ws);
768 XChangeProperty (dpy, parent[0],
769 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
770 (const unsigned char *)s, strlen (s));
776 /*----------------------------------------------------------------------*/
777 /*----------------------------------------------------------------------*/
778 /* xterm sequences - title, iconName, color (exptl) */
780 rxvt_term::set_title (const char *str)
782 set_string_property (XA_WM_NAME, str);
784 set_utf8_property (xa[XA_NET_WM_NAME], str);
789 rxvt_term::set_icon_name (const char *str)
791 set_string_property (XA_WM_ICON_NAME, str);
793 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
798 rxvt_term::set_window_color (int idx, const char *color)
800 #ifdef XTERM_COLOR_CHANGE
803 if (color == NULL || *color == '\0')
806 color = strdup (color);
807 allocated.push_back ((void *)color);
808 rs[Rs_color + idx] = color;
810 /* handle color aliases */
811 if (isdigit (*color))
813 int i = atoi (color);
815 if (i >= 8 && i <= 15)
818 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
822 if (i >= 0 && i <= 7)
825 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
830 set_color (xcol, color);
833 * FIXME: should free colors here, but no idea how to do it so instead,
834 * so just keep gobbling up the colormap
837 pix_colors_focused[idx] = xcol;
840 /*TODO: handle Color_BD, scrollbar background, etc. */
842 update_fade_color (idx);
845 #endif /* XTERM_COLOR_CHANGE */
849 rxvt_term::recolour_cursor ()
853 (ISSET_PIXCOLOR (Color_pointer_fg)
854 ? pix_colors_focused[Color_pointer_fg]
855 : pix_colors_focused[Color_fg]).get (fg);
857 (ISSET_PIXCOLOR (Color_pointer_bg)
858 ? pix_colors_focused[Color_pointer_bg]
859 : pix_colors_focused[Color_bg]).get (bg);
861 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
864 /*----------------------------------------------------------------------*/
866 * find if fg/bg matches any of the normal (low-intensity) colors
869 rxvt_term::set_colorfgbg ()
872 const char *xpmb = "";
873 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
875 strcpy (fstr, "default");
876 strcpy (bstr, "default");
877 for (i = Color_Black; i <= Color_White; i++)
878 if (pix_colors[Color_fg] == pix_colors[i])
880 sprintf (fstr, "%d", (i - Color_Black));
884 for (i = Color_Black; i <= Color_White; i++)
885 if (pix_colors[Color_bg] == pix_colors[i])
887 sprintf (bstr, "%d", (i - Color_Black));
888 #ifdef BG_IMAGE_FROM_FILE
894 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
897 /*----------------------------------------------------------------------*/
900 rxvt_term::set_color (rxvt_color &color, const char *name)
902 if (color.set (this, name))
905 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
910 rxvt_term::alias_color (int dst, int src)
912 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
915 /* -------------------------------------------------------------------- *
916 * - WINDOW RESIZING - *
917 * -------------------------------------------------------------------- */
919 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
922 int old_width = szHint.width;
923 int old_height = szHint.height;
925 window_calc (newwidth, newheight);
927 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
928 XSetWMNormalHints (dpy, parent[0], &szHint);
934 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
935 * reposition window on resize depending on placement on screen
939 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
942 XTranslateCoordinates (dpy, parent[0], display->root,
943 0, 0, &x, &y, &unused_cr);
944 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
945 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
947 * if display->root isn't the parent window, a WM will probably have offset
948 * our position for handles and decorations. Counter it
950 if (x1 != x || y1 != y)
956 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
957 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
958 dx = old_width - szHint.width;
959 dy = old_height - szHint.height;
961 /* Check position of the center of the window */
962 if (x < x1) /* left half */
964 else if (x == x1) /* exact center */
966 if (y < y1) /* top half */
968 else if (y == y1) /* exact center */
971 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
972 szHint.width, szHint.height);
974 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
978 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
980 if (fix_screen || newwidth != old_width || newheight != old_height)
985 XMoveResizeWindow (dpy, vt,
986 window_vt_x, window_vt_y,
989 #ifdef HAVE_BG_PIXMAP
990 if (bgPixmap.window_size_sensitive ())
991 update_background ();
997 if (fix_screen || old_height == 0)
1000 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
1001 //scr_touch (false);
1003 #ifdef HAVE_BG_PIXMAP
1004 // TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
1005 // if (bgPixmap.pixmap)
1006 // scr_touch (false);
1015 * Set the width/height of the vt window in characters. Units are pixels.
1016 * good for toggling 80/132 columns
1019 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
1021 XWindowAttributes wattr;
1023 if (newwidth == 0 || newheight == 0)
1025 XGetWindowAttributes (dpy, display->root, &wattr);
1028 newwidth = wattr.width - szHint.base_width;
1030 newheight = wattr.height - szHint.base_height;
1033 if (newwidth != width || newheight != height)
1035 newwidth += szHint.base_width;
1036 newheight += szHint.base_height;
1037 resize_all_windows (newwidth, newheight, 0);
1041 /* -------------------------------------------------------------------- *
1042 * - X INPUT METHOD ROUTINES - *
1043 * -------------------------------------------------------------------- */
1047 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1049 fg = pix_colors [Color_fg];
1050 bg = pix_colors [Color_bg];
1054 rxvt_term::im_set_size (XRectangle &size)
1056 // the int_bwidth terms make no sense to me
1057 size.x = int_bwidth;
1058 size.y = int_bwidth;
1059 size.width = Width2Pixel (ncol) + int_bwidth;
1060 size.height = Height2Pixel (nrow) + int_bwidth;
1064 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1065 XRectangle &status_rect,
1066 const XRectangle &needed_rect)
1068 preedit_rect.x = needed_rect.width;
1070 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1071 preedit_rect.height = fheight;
1075 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1076 status_rect.height = fheight;
1079 /* Checking whether input method is running. */
1081 rxvt_term::IMisRunning ()
1086 char server[IMBUFSIZ];
1088 /* get current locale modifier */
1089 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1091 strcpy (server, "@server=");
1092 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1094 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1097 atom = XInternAtom (dpy, server, False);
1098 win = XGetSelectionOwner (dpy, atom);
1108 rxvt_term::IMSendSpot ()
1111 XVaNestedList preedit_attr;
1115 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1118 im_set_position (nspot);
1120 if (nspot.x == spot.x && nspot.y == spot.y)
1125 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1126 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1127 XFree (preedit_attr);
1131 rxvt_term::im_destroy ()
1135 if (Input_Context && input_method->xim)
1136 XDestroyIC (Input_Context);
1138 display->put_xim (input_method);
1145 #ifdef ENABLE_XIM_ONTHESPOT
1148 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1150 ((rxvt_term *)client_data)->make_current ();
1151 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1155 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1157 ((rxvt_term *)client_data)->make_current ();
1158 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1162 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1164 rxvt_term *term = (rxvt_term *)client_data;
1165 XIMText *text = call_data->text;
1167 term->make_current ();
1173 if (!text->encoding_is_wchar && text->string.multi_byte)
1175 // of course, X makes it ugly again
1176 if (term->rs[Rs_imLocale])
1177 SET_LOCALE (term->rs[Rs_imLocale]);
1179 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1180 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1182 if (term->rs[Rs_imLocale])
1183 SET_LOCALE (term->locale);
1186 str = (void *)text->string.wide_char;
1188 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1189 DT_INT, call_data->caret,
1190 DT_INT, call_data->chg_first,
1191 DT_INT, call_data->chg_length,
1192 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1193 DT_WCS_LEN, str, str ? (int)text->length : 0,
1197 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1198 DT_INT, call_data->caret,
1199 DT_INT, call_data->chg_first,
1200 DT_INT, call_data->chg_length,
1206 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1208 ((rxvt_term *)client_data)->make_current ();
1209 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1210 DT_INT, call_data->position,
1211 DT_INT, call_data->direction,
1212 DT_INT, call_data->style,
1220 * Try to open a XIM with the current modifiers, then see if we can
1221 * open a suitable preedit type
1224 rxvt_term::IM_get_IC (const char *modifiers)
1229 XRectangle rect, status_rect, needed_rect;
1230 unsigned long fg, bg;
1233 XIMStyles *xim_styles;
1234 #ifdef ENABLE_XIM_ONTHESPOT
1240 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1243 input_method = display->get_xim (locale, modifiers);
1244 if (input_method == NULL)
1247 xim = input_method->xim;
1248 spot.x = spot.y = -1;
1251 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1252 || !xim_styles || !xim_styles->count_styles)
1258 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1260 for (int pi = 0; pi < 2; pi++)
1267 s = rxvt_splitcommastring (p);
1269 for (i = found = 0; !found && s[i]; i++)
1271 if (!strcmp (s[i], "OverTheSpot"))
1272 input_style = XIMPreeditPosition | XIMStatusNothing;
1273 else if (!strcmp (s[i], "OffTheSpot"))
1274 input_style = XIMPreeditArea | XIMStatusArea;
1275 else if (!strcmp (s[i], "Root"))
1276 input_style = XIMPreeditNothing | XIMStatusNothing;
1277 else if (!strcmp (s[i], "None"))
1278 input_style = XIMPreeditNone | XIMStatusNone;
1279 #ifdef ENABLE_XIM_ONTHESPOT
1280 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1281 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1284 input_style = XIMPreeditNothing | XIMStatusNothing;
1286 for (j = 0; j < xim_styles->count_styles; j++)
1287 if (input_style == xim_styles->supported_styles[j])
1289 rxvt_freecommastring (s);
1297 rxvt_freecommastring (s);
1311 XVaNestedList preedit_attr = 0, status_attr = 0;
1313 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1315 // fake us a font-set, please
1316 char **missing_charset_list;
1317 int missing_charset_count;
1322 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1323 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1324 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1325 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1326 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1329 fheight + 1, fheight - 1,
1330 fheight - 2, fheight + 2);
1332 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1333 &missing_charset_list, &missing_charset_count, &def_string);
1335 if (missing_charset_list)
1336 XFreeStringList (missing_charset_list);
1340 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1341 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1345 if (input_style & XIMPreeditPosition)
1348 im_set_position (spot);
1349 im_set_color (fg, bg);
1351 preedit_attr = XVaCreateNestedList (0,
1355 XNSpotLocation, &spot,
1359 else if (input_style & XIMPreeditArea)
1361 im_set_color (fg, bg);
1364 * The necessary width of preedit area is unknown
1365 * until create input context.
1367 needed_rect.width = 0;
1368 im_set_preedit_area (rect, status_rect, needed_rect);
1370 preedit_attr = XVaCreateNestedList (0,
1376 status_attr = XVaCreateNestedList (0,
1379 XNArea, &status_rect,
1383 #if ENABLE_XIM_ONTHESPOT
1384 else if (input_style & XIMPreeditCallbacks)
1386 im_set_position (spot);
1388 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1389 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1390 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1392 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1395 preedit_attr = XVaCreateNestedList (0,
1396 XNSpotLocation, &spot,
1397 XNPreeditStartCallback, &xcb[0],
1398 XNPreeditDoneCallback , &xcb[1],
1399 XNPreeditDrawCallback , &xcb[2],
1401 XNPreeditCaretCallback, &xcb[3],
1407 Input_Context = XCreateIC (xim,
1408 XNInputStyle, input_style,
1410 XNFocusWindow, parent[0],
1411 preedit_attr ? XNPreeditAttributes : NULL,
1413 status_attr ? XNStatusAttributes : NULL,
1416 if (preedit_attr) XFree (preedit_attr);
1417 if (status_attr) XFree (status_attr);
1418 if (fs) XFreeFontSet (dpy, fs);
1420 if (Input_Context == NULL)
1422 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1428 // unfortunately, only the focus window is used by XIM, hard to fix
1429 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1453 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1454 if (rs[Rs_imLocale])
1455 SET_LOCALE (rs[Rs_imLocale]);
1458 p = rs[Rs_inputMethod];
1463 s = rxvt_splitcommastring (p);
1465 for (i = 0; s[i]; i++)
1469 strcpy (buf, "@im=");
1470 strncat (buf, s[i], IMBUFSIZ - 5);
1471 if (IM_get_IC (buf))
1479 rxvt_freecommastring (s);
1485 /* try with XMODIFIERS env. var. */
1489 /* try with no modifiers base IF the user didn't specify an IM */
1490 if (IM_get_IC ("@im=none"))
1494 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1495 if (rs[Rs_imLocale])
1496 SET_LOCALE (locale);
1501 rxvt_term::IMSetPosition ()
1503 XRectangle preedit_rect, status_rect, *needed_rect;
1504 XVaNestedList preedit_attr, status_attr;
1508 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1512 if (input_style & XIMPreeditPosition)
1514 im_set_size (preedit_rect);
1515 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1517 XSetICValues (Input_Context,
1518 XNPreeditAttributes, preedit_attr, NULL);
1522 /* Getting the necessary width of preedit area */
1523 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1524 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1525 XFree (status_attr);
1527 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1528 XFree (needed_rect);
1530 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1531 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1533 XSetICValues (Input_Context,
1534 XNPreeditAttributes, preedit_attr,
1535 XNStatusAttributes, status_attr,
1538 XFree (status_attr);
1541 XFree (preedit_attr);
1543 #endif /* USE_XIM */
1546 rxvt_term::get_window_origin (int &x, int &y)
1549 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1550 /* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1554 rxvt_term::get_pixmap_property (int prop_id)
1556 if (prop_id > 0 && prop_id < NUM_XA)
1560 unsigned long nitems, bytes_after;
1562 unsigned char *prop = NULL;
1563 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1564 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1565 &nitems, &bytes_after, &prop);
1566 if (result == Success && prop && atype == XA_PIXMAP)
1567 return *(Pixmap *)prop;
1573 #ifdef HAVE_BG_PIXMAP
1575 # undef update_background
1577 rxvt_term::trace_update_background (const char *file, int line)
1579 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1580 update_background ();
1585 rxvt_term::update_background ()
1587 if (update_background_ev.is_active ())
1590 bgPixmap.invalidate ();
1592 ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
1597 update_background_ev.start (to_wait);
1601 rxvt_term::update_background_cb (ev::timer &w, int revents)
1605 update_background_ev.stop ();
1610 #endif /* HAVE_BG_PIXMAP */
1612 /*----------------------- end-of-file (C source) -----------------------*/