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 scrollBar.destroy ();
241 if (gc) XFreeGC (dpy, gc);
244 // destroy all windows
246 XDestroyWindow (dpy, parent[0]);
248 for (int i = 0; i < TOTAL_COLORS; i++)
249 if (ISSET_PIXCOLOR (i))
251 pix_colors_focused [i].free (this);
253 pix_colors_unfocused [i].free (this);
259 display->flush (); /* ideally .put should do this */
260 displays.put (display);
265 /* clear all resources */
266 for (int i = 0; i < allocated.size (); i++)
267 free (allocated [i]);
269 free (selection.text);
270 // TODO: manage env vars in child only(!)
280 #ifdef KEYSYM_RESOURCE
284 XrmDestroyDatabase (option_db);
288 // child has exited, usually destroys
290 rxvt_term::child_cb (ev::child &w, int status)
292 HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END));
296 if (!option (Opt_hold))
301 rxvt_term::destroy ()
303 if (destroy_ev.is_active ())
306 HOOK_INVOKE ((this, HOOK_DESTROY, DT_END));
315 im_ev.stop (display);
317 scrollbar_ev.stop (display);
318 #if ENABLE_TRANSPARENCY || ENABLE_PERL
319 rootwin_ev.stop (display);
322 termwin_ev.stop (display);
323 vt_ev.stop (display);
329 cursor_blink_ev.stop ();
332 text_blink_ev.stop ();
334 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
335 cont_scroll_ev.stop ();
337 #ifdef SELECTION_SCROLLING
338 sel_scroll_ev.stop ();
348 rxvt_term::destroy_cb (ev::idle &w, int revents)
355 /*----------------------------------------------------------------------*/
357 * Exit gracefully, clearing the utmp entry and restoring tty attributes
358 * TODO: if debugging, this should free up any known resources if we can
360 static XErrorHandler old_xerror_handler;
363 rxvt_emergency_cleanup ()
365 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
366 (*t)->emergency_cleanup ();
371 print_x_error (Display *dpy, XErrorEvent *event)
376 char *mtype = "XlibMessage";
377 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
378 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
379 rxvt_warn ("An X Error occured, trying to continue after report.\n");
380 rxvt_warn ("%s: %s\n", mesg, buffer);
381 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ);
382 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code);
383 sprintf(number, "%d", event->request_code);
384 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
385 rxvt_warn ("(which is %s)\n", buffer);
386 if (event->request_code >= 128) {
387 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
389 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code);
391 if ((event->error_code == BadWindow) ||
392 (event->error_code == BadPixmap) ||
393 (event->error_code == BadCursor) ||
394 (event->error_code == BadFont) ||
395 (event->error_code == BadDrawable) ||
396 (event->error_code == BadColor) ||
397 (event->error_code == BadGC) ||
398 (event->error_code == BadIDChoice) ||
399 (event->error_code == BadValue) ||
400 (event->error_code == BadAtom)) {
401 if (event->error_code == BadValue)
402 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
404 else if (event->error_code == BadAtom)
405 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
408 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
410 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid);
412 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
414 rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial);
419 rxvt_xerror_handler (Display *display, XErrorEvent *event)
421 if (GET_R->allowedxerror == -1)
422 GET_R->allowedxerror = event->error_code;
425 // GET_R is most likely not the terminal which caused the error,
426 // so just output the error and continue
428 old_xerror_handler (display, event);
430 print_x_error (display, event);
438 rxvt_xioerror_handler (Display *display)
440 rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n",
441 DisplayString (display));
442 rxvt_emergency_cleanup ();
443 _exit (EXIT_FAILURE);
446 static struct sig_handlers
448 ev::sig sw_term, sw_int;
451 * Catch a fatal signal and tidy up before quitting
453 void sig_term (ev::sig &w, int revents);
457 sw_term.set<sig_handlers, &sig_handlers::sig_term> (this);
458 sw_int .set<sig_handlers, &sig_handlers::sig_term> (this);
463 sig_handlers::sig_term (ev::sig &w, int revents)
465 rxvt_emergency_cleanup ();
467 kill (getpid (), w.signum);
470 char **rxvt_environ; // startup environment
477 if (!ev_default_loop (0))
478 rxvt_fatal ("cannot initialise libev (bad value for LIBEV_METHODS?)\n");
480 rxvt_environ = environ;
482 signal (SIGHUP, SIG_IGN);
483 signal (SIGPIPE, SIG_IGN);
485 sig_handlers.sw_term.start (SIGTERM); ev_unref ();
486 sig_handlers.sw_int.start (SIGINT); ev_unref ();
488 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
489 /* signal (SIGURG, SIG_DFL); */
491 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
492 // TODO: handle this with exceptions and tolerate the memory loss
493 XSetIOErrorHandler (rxvt_xioerror_handler);
498 /*----------------------------------------------------------------------*/
500 * window size/position calculations for XSizeHint and other storage.
501 * if width/height are non-zero then override calculated width/height
504 rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight)
506 short recalc_x, recalc_y;
509 unsigned int max_width, max_height;
511 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
512 szHint.win_gravity = NorthWestGravity;
513 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
515 recalc_x = recalc_y = 0;
518 if (!parsed_geometry)
523 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
525 if (flags & WidthValue)
527 ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ());
528 szHint.flags |= USSize;
531 if (flags & HeightValue)
533 nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ());
534 szHint.flags |= USSize;
540 szHint.flags |= USPosition;
542 if (flags & XNegative)
545 szHint.win_gravity = NorthEastGravity;
552 szHint.flags |= USPosition;
554 if (flags & YNegative)
558 if (szHint.win_gravity == NorthEastGravity)
559 szHint.win_gravity = SouthEastGravity;
561 szHint.win_gravity = SouthWestGravity;
567 width = ncol * fwidth;
568 height = nrow * fheight;
569 max_width = MAX_COLS * fwidth;
570 max_height = MAX_ROWS * fheight;
572 szHint.base_width = szHint.base_height = 2 * int_bwidth;
574 window_vt_x = window_vt_y = int_bwidth;
578 int sb_w = scrollBar.total_width ();
579 szHint.base_width += sb_w;
581 if (!option (Opt_scrollBar_right))
585 szHint.width_inc = fwidth;
586 szHint.height_inc = fheight;
587 szHint.min_width = szHint.base_width + szHint.width_inc;
588 szHint.min_height = szHint.base_height + szHint.height_inc;
590 if (newwidth && newwidth - szHint.base_width < max_width)
592 szHint.width = newwidth;
593 width = newwidth - szHint.base_width;
597 min_it (width, max_width);
598 szHint.width = szHint.base_width + width;
601 if (newheight && newheight - szHint.base_height < max_height)
603 szHint.height = newheight;
604 height = newheight - szHint.base_height;
608 min_it (height, max_height);
609 szHint.height = szHint.base_height + height;
613 szHint.x += DisplayWidth (dpy, display->screen) - szHint.width - 2 * ext_bwidth;
616 szHint.y += DisplayHeight (dpy, display->screen) - szHint.height - 2 * ext_bwidth;
618 ncol = width / fwidth;
619 nrow = height / fheight;
622 /*----------------------------------------------------------------------*/
624 * Tell the teletype handler what size the window is.
625 * Called after a window size change.
628 rxvt_term::tt_winch ()
637 ws.ws_xpixel = width;
638 ws.ws_ypixel = height;
639 (void)ioctl (pty->pty, TIOCSWINSZ, &ws);
642 // TIOCSWINSZ is supposed to do this automatically and correctly
643 if (cmd_pid) /* force through to the command */
644 kill (-cmd_pid, SIGWINCH);
648 /*----------------------------------------------------------------------*/
649 /* set_fonts () - load and set the various fonts
651 * init = 1 - initialize
653 * fontname == FONT_UP - switch to bigger font
654 * fontname == FONT_DN - switch to smaller font
657 rxvt_term::set_fonts ()
659 rxvt_fontset *fs = new rxvt_fontset (this);
663 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
664 || !fs->realize_font (1))
671 for (int i = RS_styleCount; --i; )
672 if (fontset[i] != fontset[0])
679 prop = (*fs)[1]->properties ();
680 prop.height += lineSpace;
682 fs->set_prop (prop, false);
685 fheight = prop.height;
688 for (int style = 1; style < 4; style++)
691 const char *res = rs[Rs_font + style];
694 fontset[style] = fontset[0];
697 fontset[style] = fs = new rxvt_fontset (this);
698 rxvt_fontprop prop2 = prop;
703 fs->set_prop (prop2, false);
707 fs->populate (fontset[0]->fontdesc);
709 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
710 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
712 fs->set_prop (prop2, true);
717 fontset[style] = fontset[0];
723 resize_all_windows (0, 0, 0);
732 rxvt_term::set_string_property (Atom prop, const char *str, int len)
734 XChangeProperty (dpy, parent[0],
735 prop, XA_STRING, 8, PropModeReplace,
736 (const unsigned char *)str, len >= 0 ? len : strlen (str));
740 rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
742 wchar_t *ws = rxvt_mbstowcs (str, len);
743 char *s = rxvt_wcstoutf8 (ws);
745 XChangeProperty (dpy, parent[0],
746 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
747 (const unsigned char *)s, strlen (s));
753 /*----------------------------------------------------------------------*/
754 /*----------------------------------------------------------------------*/
755 /* xterm sequences - title, iconName, color (exptl) */
757 rxvt_term::set_title (const char *str)
759 set_string_property (XA_WM_NAME, str);
761 set_utf8_property (xa[XA_NET_WM_NAME], str);
766 rxvt_term::set_icon_name (const char *str)
768 set_string_property (XA_WM_ICON_NAME, str);
770 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
775 rxvt_term::set_window_color (int idx, const char *color)
777 #ifdef XTERM_COLOR_CHANGE
780 if (color == NULL || *color == '\0')
783 color = strdup (color);
784 allocated.push_back ((void *)color);
785 rs[Rs_color + idx] = color;
787 /* handle color aliases */
788 if (isdigit (*color))
790 int i = atoi (color);
792 if (i >= 8 && i <= 15)
795 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i - 8];
799 if (i >= 0 && i <= 7)
802 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
807 set_color (xcol, color);
810 * FIXME: should free colors here, but no idea how to do it so instead,
811 * so just keep gobbling up the colormap
814 pix_colors_focused[idx] = xcol;
817 /*TODO: handle Color_BD, scrollbar background, etc. */
819 update_fade_color (idx);
822 #endif /* XTERM_COLOR_CHANGE */
826 rxvt_term::recolour_cursor ()
830 (ISSET_PIXCOLOR (Color_pointer_fg)
831 ? pix_colors_focused[Color_pointer_fg]
832 : pix_colors_focused[Color_fg]).get (fg);
834 (ISSET_PIXCOLOR (Color_pointer_bg)
835 ? pix_colors_focused[Color_pointer_bg]
836 : pix_colors_focused[Color_bg]).get (bg);
838 XRecolorCursor (dpy, TermWin_cursor, &fg, &bg);
841 /*----------------------------------------------------------------------*/
843 * find if fg/bg matches any of the normal (low-intensity) colors
846 rxvt_term::set_colorfgbg ()
849 const char *xpmb = "";
850 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
852 strcpy (fstr, "default");
853 strcpy (bstr, "default");
854 for (i = Color_Black; i <= Color_White; i++)
855 if (pix_colors[Color_fg] == pix_colors[i])
857 sprintf (fstr, "%d", (i - Color_Black));
861 for (i = Color_Black; i <= Color_White; i++)
862 if (pix_colors[Color_bg] == pix_colors[i])
864 sprintf (bstr, "%d", (i - Color_Black));
865 #ifdef BG_IMAGE_FROM_FILE
871 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
874 /*----------------------------------------------------------------------*/
877 rxvt_term::set_color (rxvt_color &color, const char *name)
879 if (color.set (this, name))
882 rxvt_warn ("can't get colour '%s', continuing without.\n", name);
887 rxvt_term::alias_color (int dst, int src)
889 pix_colors[dst].set (this, rs[Rs_color + dst] = rs[Rs_color + src]);
892 /* -------------------------------------------------------------------- *
893 * - WINDOW RESIZING - *
894 * -------------------------------------------------------------------- */
896 rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent)
899 int old_width = szHint.width;
900 int old_height = szHint.height;
902 window_calc (newwidth, newheight);
904 if (!HOOK_INVOKE ((this, HOOK_RESIZE_ALL_WINDOWS, DT_INT, newwidth, DT_INT, newheight, DT_END)))
905 XSetWMNormalHints (dpy, parent[0], &szHint);
911 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
912 * reposition window on resize depending on placement on screen
916 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
919 XTranslateCoordinates (dpy, parent[0], display->root,
920 0, 0, &x, &y, &unused_cr);
921 XGetGeometry (dpy, parent[0], &unused_cr, &x1, &y1,
922 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
924 * if display->root isn't the parent window, a WM will probably have offset
925 * our position for handles and decorations. Counter it
927 if (x1 != x || y1 != y)
933 x1 = (DisplayWidth (dpy, display->screen) - old_width ) / 2;
934 y1 = (DisplayHeight (dpy, display->screen) - old_height) / 2;
935 dx = old_width - szHint.width;
936 dy = old_height - szHint.height;
938 /* Check position of the center of the window */
939 if (x < x1) /* left half */
941 else if (x == x1) /* exact center */
943 if (y < y1) /* top half */
945 else if (y == y1) /* exact center */
948 XMoveResizeWindow (dpy, parent[0], x + dx, y + dy,
949 szHint.width, szHint.height);
951 XResizeWindow (dpy, parent[0], szHint.width, szHint.height);
955 fix_screen = ncol != prev_ncol || nrow != prev_nrow;
957 if (fix_screen || newwidth != old_width || newheight != old_height)
962 XMoveResizeWindow (dpy, vt,
963 window_vt_x, window_vt_y,
966 #ifdef HAVE_BG_PIXMAP
967 if (bgPixmap.window_size_sensitive ())
968 update_background ();
974 if (fix_screen || old_height == 0)
977 // TODO, with nvidia-8178, resizes kill the alpha channel, report if not fixed in newer version
980 #ifdef HAVE_BG_PIXMAP
981 // TODO: this don't seem to have any effect - do we still need it ? If so - in which case exactly ?
982 // if (bgPixmap.pixmap)
983 // scr_touch (false);
992 * Set the width/height of the vt window in characters. Units are pixels.
993 * good for toggling 80/132 columns
996 rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight)
998 XWindowAttributes wattr;
1000 if (newwidth == 0 || newheight == 0)
1002 XGetWindowAttributes (dpy, display->root, &wattr);
1005 newwidth = wattr.width - szHint.base_width;
1007 newheight = wattr.height - szHint.base_height;
1010 if (newwidth != width || newheight != height)
1012 newwidth += szHint.base_width;
1013 newheight += szHint.base_height;
1014 resize_all_windows (newwidth, newheight, 0);
1018 /* -------------------------------------------------------------------- *
1019 * - X INPUT METHOD ROUTINES - *
1020 * -------------------------------------------------------------------- */
1024 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1026 fg = pix_colors [Color_fg];
1027 bg = pix_colors [Color_bg];
1031 rxvt_term::im_set_size (XRectangle &size)
1033 // the int_bwidth terms make no sense to me
1034 size.x = int_bwidth;
1035 size.y = int_bwidth;
1036 size.width = Width2Pixel (ncol) + int_bwidth;
1037 size.height = Height2Pixel (nrow) + int_bwidth;
1041 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1042 XRectangle &status_rect,
1043 const XRectangle &needed_rect)
1045 preedit_rect.x = needed_rect.width;
1047 preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1;
1048 preedit_rect.height = fheight;
1052 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1;
1053 status_rect.height = fheight;
1056 /* Checking whether input method is running. */
1058 rxvt_term::IMisRunning ()
1063 char server[IMBUFSIZ];
1065 /* get current locale modifier */
1066 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1068 strcpy (server, "@server=");
1069 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1071 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1074 atom = XInternAtom (dpy, server, False);
1075 win = XGetSelectionOwner (dpy, atom);
1085 rxvt_term::IMSendSpot ()
1088 XVaNestedList preedit_attr;
1092 || !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks)))
1095 im_set_position (nspot);
1097 if (nspot.x == spot.x && nspot.y == spot.y)
1102 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1103 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1104 XFree (preedit_attr);
1108 rxvt_term::im_destroy ()
1112 if (Input_Context && input_method->xim)
1113 XDestroyIC (Input_Context);
1115 display->put_xim (input_method);
1122 #ifdef ENABLE_XIM_ONTHESPOT
1125 xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data)
1127 ((rxvt_term *)client_data)->make_current ();
1128 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END));
1132 xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data)
1134 ((rxvt_term *)client_data)->make_current ();
1135 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END));
1139 xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
1141 rxvt_term *term = (rxvt_term *)client_data;
1142 XIMText *text = call_data->text;
1144 term->make_current ();
1150 if (!text->encoding_is_wchar && text->string.multi_byte)
1152 // of course, X makes it ugly again
1153 if (term->rs[Rs_imLocale])
1154 SET_LOCALE (term->rs[Rs_imLocale]);
1156 str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t));
1157 mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1);
1159 if (term->rs[Rs_imLocale])
1160 SET_LOCALE (term->locale);
1163 str = (void *)text->string.wide_char;
1165 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1166 DT_INT, call_data->caret,
1167 DT_INT, call_data->chg_first,
1168 DT_INT, call_data->chg_length,
1169 DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0,
1170 DT_WCS_LEN, str, str ? (int)text->length : 0,
1174 HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW,
1175 DT_INT, call_data->caret,
1176 DT_INT, call_data->chg_first,
1177 DT_INT, call_data->chg_length,
1183 xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
1185 ((rxvt_term *)client_data)->make_current ();
1186 HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET,
1187 DT_INT, call_data->position,
1188 DT_INT, call_data->direction,
1189 DT_INT, call_data->style,
1197 * Try to open a XIM with the current modifiers, then see if we can
1198 * open a suitable preedit type
1201 rxvt_term::IM_get_IC (const char *modifiers)
1206 XRectangle rect, status_rect, needed_rect;
1207 unsigned long fg, bg;
1210 XIMStyles *xim_styles;
1211 #ifdef ENABLE_XIM_ONTHESPOT
1217 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1220 input_method = display->get_xim (locale, modifiers);
1221 if (input_method == NULL)
1224 xim = input_method->xim;
1225 spot.x = spot.y = -1;
1228 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1229 || !xim_styles || !xim_styles->count_styles)
1235 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1237 for (int pi = 0; pi < 2; pi++)
1244 s = rxvt_splitcommastring (p);
1246 for (i = found = 0; !found && s[i]; i++)
1248 if (!strcmp (s[i], "OverTheSpot"))
1249 input_style = XIMPreeditPosition | XIMStatusNothing;
1250 else if (!strcmp (s[i], "OffTheSpot"))
1251 input_style = XIMPreeditArea | XIMStatusArea;
1252 else if (!strcmp (s[i], "Root"))
1253 input_style = XIMPreeditNothing | XIMStatusNothing;
1254 else if (!strcmp (s[i], "None"))
1255 input_style = XIMPreeditNone | XIMStatusNone;
1256 #ifdef ENABLE_XIM_ONTHESPOT
1257 else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot"))
1258 input_style = XIMPreeditCallbacks | XIMStatusNothing;
1261 input_style = XIMPreeditNothing | XIMStatusNothing;
1263 for (j = 0; j < xim_styles->count_styles; j++)
1264 if (input_style == xim_styles->supported_styles[j])
1266 rxvt_freecommastring (s);
1274 rxvt_freecommastring (s);
1288 XVaNestedList preedit_attr = 0, status_attr = 0;
1290 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1292 // fake us a font-set, please
1293 char **missing_charset_list;
1294 int missing_charset_count;
1299 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1300 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1301 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1302 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1303 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1306 fheight + 1, fheight - 1,
1307 fheight - 2, fheight + 2);
1309 fs = XCreateFontSet (dpy, rs[Rs_imFont] ? rs[Rs_imFont] : pat,
1310 &missing_charset_list, &missing_charset_count, &def_string);
1312 if (missing_charset_list)
1313 XFreeStringList (missing_charset_list);
1317 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1318 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1322 if (input_style & XIMPreeditPosition)
1325 im_set_position (spot);
1326 im_set_color (fg, bg);
1328 preedit_attr = XVaCreateNestedList (0,
1332 XNSpotLocation, &spot,
1336 else if (input_style & XIMPreeditArea)
1338 im_set_color (fg, bg);
1341 * The necessary width of preedit area is unknown
1342 * until create input context.
1344 needed_rect.width = 0;
1345 im_set_preedit_area (rect, status_rect, needed_rect);
1347 preedit_attr = XVaCreateNestedList (0,
1353 status_attr = XVaCreateNestedList (0,
1356 XNArea, &status_rect,
1360 #if ENABLE_XIM_ONTHESPOT
1361 else if (input_style & XIMPreeditCallbacks)
1363 im_set_position (spot);
1365 xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start;
1366 xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done;
1367 xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw;
1369 xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret;
1372 preedit_attr = XVaCreateNestedList (0,
1373 XNSpotLocation, &spot,
1374 XNPreeditStartCallback, &xcb[0],
1375 XNPreeditDoneCallback , &xcb[1],
1376 XNPreeditDrawCallback , &xcb[2],
1378 XNPreeditCaretCallback, &xcb[3],
1384 Input_Context = XCreateIC (xim,
1385 XNInputStyle, input_style,
1387 XNFocusWindow, parent[0],
1388 preedit_attr ? XNPreeditAttributes : NULL,
1390 status_attr ? XNStatusAttributes : NULL,
1393 if (preedit_attr) XFree (preedit_attr);
1394 if (status_attr) XFree (status_attr);
1395 if (fs) XFreeFontSet (dpy, fs);
1397 if (Input_Context == NULL)
1399 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1405 // unfortunately, only the focus window is used by XIM, hard to fix
1406 if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL))
1430 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1431 if (rs[Rs_imLocale])
1432 SET_LOCALE (rs[Rs_imLocale]);
1435 p = rs[Rs_inputMethod];
1440 s = rxvt_splitcommastring (p);
1442 for (i = 0; s[i]; i++)
1446 strcpy (buf, "@im=");
1447 strncat (buf, s[i], IMBUFSIZ - 5);
1448 if (IM_get_IC (buf))
1456 rxvt_freecommastring (s);
1462 /* try with XMODIFIERS env. var. */
1466 /* try with no modifiers base IF the user didn't specify an IM */
1467 if (IM_get_IC ("@im=none"))
1471 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1472 if (rs[Rs_imLocale])
1473 SET_LOCALE (locale);
1478 rxvt_term::IMSetPosition ()
1480 XRectangle preedit_rect, status_rect, *needed_rect;
1481 XVaNestedList preedit_attr, status_attr;
1485 || !(input_style & (XIMPreeditArea | XIMPreeditPosition))
1489 if (input_style & XIMPreeditPosition)
1491 im_set_size (preedit_rect);
1492 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1494 XSetICValues (Input_Context,
1495 XNPreeditAttributes, preedit_attr, NULL);
1499 /* Getting the necessary width of preedit area */
1500 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1501 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1502 XFree (status_attr);
1504 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1505 XFree (needed_rect);
1507 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1508 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1510 XSetICValues (Input_Context,
1511 XNPreeditAttributes, preedit_attr,
1512 XNStatusAttributes, status_attr,
1515 XFree (status_attr);
1518 XFree (preedit_attr);
1520 #endif /* USE_XIM */
1523 rxvt_term::get_window_origin (int &x, int &y)
1526 XTranslateCoordinates (dpy, parent[0], display->root, 0, 0, &x, &y, &cr);
1527 /* fprintf (stderr, "origin is %+d%+d\n", x, y);*/
1531 rxvt_term::get_pixmap_property (int prop_id)
1533 if (prop_id > 0 && prop_id < NUM_XA)
1537 unsigned long nitems, bytes_after;
1539 unsigned char *prop = NULL;
1540 int result = XGetWindowProperty (dpy, display->root, xa[prop_id],
1541 0L, 1L, False, XA_PIXMAP, &atype, &aformat,
1542 &nitems, &bytes_after, &prop);
1543 if (result == Success && prop && atype == XA_PIXMAP)
1544 return *(Pixmap *)prop;
1550 #ifdef HAVE_BG_PIXMAP
1552 # undef update_background
1554 rxvt_term::trace_update_background (const char *file, int line)
1556 fprintf (stderr, "%s:%d:update_background()\n", file, line);
1557 update_background ();
1562 rxvt_term::update_background ()
1564 if (update_background_ev.is_active ())
1567 bgPixmap.invalidate ();
1569 ev_tstamp to_wait = 0.5 - (ev::now () - bgPixmap.valid_since);
1574 update_background_ev.start (to_wait);
1578 rxvt_term::update_background_cb (ev::timer &w, int revents)
1582 update_background_ev.stop ();
1587 #endif /* HAVE_BG_PIXMAP */
1589 /*----------------------- end-of-file (C source) -----------------------*/