1 /*--------------------------------*-C-*---------------------------------*
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) 2003-2004 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 */
35 #include "main.intpro" /* PROTOS for internal routines */
39 #ifdef TTY_GID_SUPPORT
49 vector<rxvt_term *> rxvt_term::termlist;
51 static char curlocale[128];
54 rxvt_set_locale (const char *locale)
56 if (!locale || !strncmp (locale, curlocale, 128))
59 strncpy (curlocale, locale, 128);
60 setlocale (LC_CTYPE, curlocale);
65 class rxvt_composite_vec rxvt_composite;
67 text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2)
71 // break compose chains, as stupid readline really likes to duplicate
72 // composing characters for some reason near the end of a line.
76 if (cc->c2 == c2) return c1;
80 // check to see wether this combination already exists otherwise
81 for (cc = v.end (); cc-- > v.begin (); )
83 if (cc->c1 == c1 && cc->c2 == c2)
84 return COMPOSE_LO + (cc - v.begin ());
87 // allocate a new combination
88 if (v.size () == COMPOSE_HI - COMPOSE_LO + 1)
93 fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n");
95 return REPLACEMENT_CHAR;
98 v.push_back (compose_char (c1, c2));
100 return v.size () - 1 + COMPOSE_LO;
103 int rxvt_composite_vec::expand (unicode_t c, wchar_t *r)
105 compose_char *cc = (*this)[c];
113 int len = expand (cc->c1, r);
117 if (cc->c2 != NOCHAR)
120 if (r) *r++ = cc->c2;
128 rxvt_term::rxvt_term ()
131 rootwin_ev (this, &rxvt_term::rootwin_cb),
133 #ifdef HAVE_SCROLLBARS
134 scrollbar_ev (this, &rxvt_term::x_cb),
137 menubar_ev (this, &rxvt_term::x_cb),
140 cursor_blink_ev (this, &rxvt_term::cursor_blink_cb),
143 text_blink_ev (this, &rxvt_term::text_blink_cb),
145 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
146 cont_scroll_ev (this, &rxvt_term::cont_scroll_cb),
148 #ifdef SELECTION_SCROLLING
149 sel_scroll_ev (this, &rxvt_term::sel_scroll_cb),
151 #if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING)
152 slip_wheel_ev (this, &rxvt_term::slip_wheel_cb),
155 pointer_ev (this, &rxvt_term::pointer_cb),
158 im_ev (this, &rxvt_term::im_cb),
160 sw_term (this, &rxvt_term::sig_term),
161 sw_chld (this, &rxvt_term::sig_chld),
162 termwin_ev (this, &rxvt_term::x_cb),
163 vt_ev (this, &rxvt_term::x_cb),
164 check_ev (this, &rxvt_term::check_cb),
165 flush_ev (this, &rxvt_term::flush_cb),
166 destroy_ev (this, &rxvt_term::destroy_cb),
167 pty_ev (this, &rxvt_term::pty_cb),
168 incr_ev (this, &rxvt_term::incr_cb)
170 cmdbuf_ptr = cmdbuf_endp = cmdbuf_base;
172 termlist.push_back (this);
175 rxvt_term::~rxvt_term ()
177 termlist.erase (find (termlist.begin (), termlist.end(), this));
180 kill (-cmd_pid, SIGHUP);
185 privileged_utmp (RESTORE);
189 for (int i = RS_styleCount; --i; )
190 if (TermWin.fontset[i] != TermWin.fontset[0])
191 delete TermWin.fontset[i];
193 delete TermWin.fontset[0];
203 if (menubarGC) XFreeGC (display->display, menubarGC);
205 #ifdef XTERM_SCROLLBAR
206 if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC);
207 if (ShadowGC) XFreeGC (display->display, ShadowGC);
209 #ifdef PLAIN_SCROLLBAR
210 if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC);
212 #ifdef NEXT_SCROLLBAR
213 if (blackGC) XFreeGC (display->display, blackGC);
214 if (whiteGC) XFreeGC (display->display, whiteGC);
215 if (grayGC) XFreeGC (display->display, grayGC);
216 if (darkGC) XFreeGC (display->display, darkGC);
217 if (stippleGC) XFreeGC (display->display, stippleGC);
218 if (dimple) XFreePixmap (display->display, dimple);
219 if (upArrow) XFreePixmap (display->display, upArrow);
220 if (downArrow) XFreePixmap (display->display, downArrow);
221 if (upArrowHi) XFreePixmap (display->display, upArrowHi);
222 if (downArrowHi) XFreePixmap (display->display, downArrowHi);
224 #if defined(MENUBAR) || defined(RXVT_SCROLLBAR)
225 if (topShadowGC) XFreeGC (display->display, topShadowGC);
226 if (botShadowGC) XFreeGC (display->display, botShadowGC);
227 if (scrollbarGC) XFreeGC (display->display, scrollbarGC);
229 if (TermWin.gc) XFreeGC (display->display, TermWin.gc);
231 #if defined(MENUBAR) && (MENUBAR_MAX > 1)
232 delete menuBar.drawable;
234 // XDestroyWindow (display->display, menuBar.win);
236 delete TermWin.drawable;
237 // destroy all windows
238 if (TermWin.parent[0])
239 XDestroyWindow (display->display, TermWin.parent[0]);
242 // TODO: free pixcolours, colours should become part of rxvt_display
244 delete pix_colors_focused;
245 #ifdef OFF_FOCUS_FADING
246 delete pix_colors_unfocused;
249 displays.put (display);
253 /* clear all resources */
254 for (int i = 0; i < allocated.size (); i++)
257 free (selection.text);
258 // TODO: manage env vars in child only(!)
262 free (env_colorfgbg);
272 rxvt_term::destroy ()
274 if (destroy_ev.active)
284 im_ev.stop (display);
287 scrollbar_ev.stop (display);
290 menubar_ev.stop (display);
293 rootwin_ev.stop (display);
296 termwin_ev.stop (display);
297 vt_ev.stop (display);
303 cursor_blink_ev.stop ();
306 text_blink_ev.stop ();
308 #ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING
309 cont_scroll_ev.stop ();
311 #ifdef SELECTION_SCROLLING
312 sel_scroll_ev.stop ();
318 destroy_ev.start (0);
322 rxvt_term::destroy_cb (time_watcher &w)
329 /*----------------------------------------------------------------------*/
332 rxvt_term::init (int argc, const char *const *argv)
341 const char **cmd_argv = init_resources (argc, argv);
346 menubar_read (rs[Rs_menu]);
348 #ifdef HAVE_SCROLLBARS
349 if (options & Opt_scrollBar)
350 scrollBar.setIdle (); /* set existence for size calculations */
353 create_windows (argc, argv);
357 scr_reset (); /* initialize screen */
360 XSynchronize (display->display, True);
363 #ifdef HAVE_SCROLLBARS
364 if (options & Opt_scrollBar)
365 resize_scrollbar (); /* create and map scrollbar */
368 if (menubar_visible ())
369 XMapWindow (display->display, menuBar.win);
372 if (options & Opt_transparent)
374 XSelectInput (display->display, display->root, PropertyChangeMask);
375 check_our_parents ();
376 rootwin_ev.start (display, display->root);
380 XMapWindow (display->display, TermWin.vt);
381 XMapWindow (display->display, TermWin.parent[0]);
385 init_command (cmd_argv);
387 pty_ev.start (pty.pty, EVENT_READ);
394 static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event);
400 * Save and then give up any super-user privileges
401 * If we need privileges in any area then we must specifically request it.
402 * We should only need to be root in these cases:
403 * 1. write utmp entries on some systems
404 * 2. chown tty on some systems
406 rxvt_privileges (SAVE);
407 rxvt_privileges (IGNORE);
409 signal (SIGHUP, SIG_IGN);
410 signal (SIGPIPE, SIG_IGN);
412 /* need to trap SIGURG for SVR4 (Unixware) rlogin */
413 /* signal (SIGURG, SIG_DFL); */
415 old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler);
416 // TODO: handle this with exceptions and tolerate the memory loss
417 //XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler);
420 /* ------------------------------------------------------------------------- *
421 * SIGNAL HANDLING & EXIT HANDLER *
422 * ------------------------------------------------------------------------- */
424 * Catch a SIGCHLD signal and exit if the direct child has died
428 rxvt_term::sig_chld (sig_watcher &w)
430 // we are being called for every SIGCHLD, not just ours
433 while ((pid = waitpid (-1, NULL, WNOHANG)) > 0)
434 for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++)
435 if (pid == (*t)->cmd_pid)
442 /*----------------------------------------------------------------------*/
444 * Exit gracefully, clearing the utmp entry and restoring tty attributes
445 * TODO: if debugging, this should free up any known resources if we can
450 // TODO: rxvtd should clean up all ressources
451 for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++)
456 * Catch a fatal signal and tidy up before quitting
459 rxvt_term::sig_term (sig_watcher &w)
462 rxvt_warn ("caught signal %d, exiting.\n", w.signum);
465 signal (w.signum, SIG_DFL);
466 kill (getpid (), w.signum);
471 rxvt_xerror_handler (Display *display, XErrorEvent *event)
473 if (GET_R->allowedxerror == -1)
474 GET_R->allowedxerror = event->error_code;
477 old_xerror_handler (display, event);
484 /* ------------------------------------------------------------------------- *
485 * MEMORY ALLOCATION WRAPPERS *
486 * ------------------------------------------------------------------------- */
488 rxvt_malloc (size_t size)
490 void *p = malloc (size);
493 rxvt_fatal ("memory allocation failure. aborting.\n");
500 rxvt_calloc (size_t number, size_t size)
502 void *p = calloc (number, size);
505 rxvt_fatal ("memory allocation failure. aborting.\n");
512 rxvt_realloc (void *ptr, size_t size)
514 void *p = realloc (ptr, size);
517 rxvt_fatal ("memory allocation failure. aborting.\n");
522 /* ------------------------------------------------------------------------- *
523 * PRIVILEGED OPERATIONS *
524 * ------------------------------------------------------------------------- */
525 /* take care of suid/sgid super-user (root) privileges */
527 rxvt_privileges (rxvt_privaction action)
529 #if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__)
534 #if ! defined(__CYGWIN32__)
535 # if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID)
536 /* setreuid () is the poor man's setuid (), seteuid () */
537 # define seteuid(a) setreuid(-1, (a))
538 # define setegid(a) setregid(-1, (a))
539 # define HAVE_SETEUID
546 * change effective uid/gid - not real uid/gid - so we can switch
547 * back to root later, as required
579 rxvt_term::privileged_utmp (rxvt_privaction action)
581 if ((options & Opt_utmpInhibit)
582 || !pty.name || !*pty.name)
585 rxvt_privileges (RESTORE);
588 makeutent (pty.name, rs[Rs_display_name]);
592 rxvt_privileges (IGNORE);
596 /*----------------------------------------------------------------------*/
598 * window size/position calculcations for XSizeHint and other storage.
599 * if width/height are non-zero then override calculated width/height
602 rxvt_term::window_calc (unsigned int width, unsigned int height)
604 short recalc_x, recalc_y;
605 int x, y, sb_w, mb_h, flags;
607 unsigned int max_width, max_height;
609 D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
610 TermWin.ncol, TermWin.nrow, szHint.width,
612 szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity;
613 szHint.win_gravity = NorthWestGravity;
614 /* szHint.min_aspect.x = szHint.min_aspect.y = 1; */
616 recalc_x = recalc_y = 0;
618 if (!parsed_geometry)
622 flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h);
623 if (flags & WidthValue)
625 TermWin.ncol = BOUND_POSITIVE_INT16 (w);
626 szHint.flags |= USSize;
628 if (flags & HeightValue)
630 TermWin.nrow = BOUND_POSITIVE_INT16 (h);
631 szHint.flags |= USSize;
636 szHint.flags |= USPosition;
637 if (flags & XNegative)
640 szHint.win_gravity = NorthEastGravity;
646 szHint.flags |= USPosition;
647 if (flags & YNegative)
650 if (szHint.win_gravity == NorthEastGravity)
651 szHint.win_gravity = SouthEastGravity;
653 szHint.win_gravity = SouthWestGravity;
659 TermWin.width = TermWin.ncol * TermWin.fwidth;
660 TermWin.height = TermWin.nrow * TermWin.fheight;
661 max_width = MAX_COLS * TermWin.fwidth;
662 max_height = MAX_ROWS * TermWin.fheight;
664 szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth;
667 window_vt_x = window_vt_y = TermWin.int_bwidth;
669 if (scrollbar_visible ())
671 sb_w = scrollbar_TotalWidth ();
672 szHint.base_width += sb_w;
673 if (!(options & Opt_scrollBar_right))
677 if (menubar_visible ())
679 mb_h = menuBar_TotalHeight ();
680 szHint.base_height += mb_h;
684 szHint.width_inc = TermWin.fwidth;
685 szHint.height_inc = TermWin.fheight;
686 szHint.min_width = szHint.base_width + szHint.width_inc;
687 szHint.min_height = szHint.base_height + szHint.height_inc;
689 if (width && width - szHint.base_width < max_width)
691 szHint.width = width;
692 TermWin.width = width - szHint.base_width;
696 MIN_IT (TermWin.width, max_width);
697 szHint.width = szHint.base_width + TermWin.width;
700 if (height && height - szHint.base_height < max_height)
702 szHint.height = height;
703 TermWin.height = height - szHint.base_height;
707 MIN_IT (TermWin.height, max_height);
708 szHint.height = szHint.base_height + TermWin.height;
711 if (scrollbar_visible () && (options & Opt_scrollBar_right))
712 window_sb_x = szHint.width - sb_w;
715 szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display))
716 - szHint.width - 2 * TermWin.ext_bwidth);
718 szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display))
719 - szHint.height - 2 * TermWin.ext_bwidth);
721 TermWin.ncol = TermWin.width / TermWin.fwidth;
722 TermWin.nrow = TermWin.height / TermWin.fheight;
723 D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d",
724 TermWin.ncol, TermWin.nrow, szHint.width,
729 /*----------------------------------------------------------------------*/
731 * Tell the teletype handler what size the window is.
732 * Called after a window size change.
735 rxvt_term::tt_winch ()
742 ws.ws_col = TermWin.ncol;
743 ws.ws_row = TermWin.nrow;
744 ws.ws_xpixel = TermWin.width;
745 ws.ws_ypixel = TermWin.height;
746 (void)ioctl (pty.pty, TIOCSWINSZ, &ws);
749 // TIOCSWINSZ⎈ is supposed to do this automatically and correctly
750 if (cmd_pid) /* force through to the command */
751 kill (cmd_pid, SIGWINCH);
755 /*----------------------------------------------------------------------*/
756 /* set_fonts () - load and set the various fonts
758 * init = 1 - initialize
760 * fontname == FONT_UP - switch to bigger font
761 * fontname == FONT_DN - switch to smaller font
764 rxvt_term::set_fonts ()
766 rxvt_fontset *fs = new rxvt_fontset (this);
770 || !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed")
771 || !fs->realize_font (1))
778 for (int i = RS_styleCount; --i; )
779 if (TermWin.fontset[i] != TermWin.fontset[0])
780 delete TermWin.fontset[i];
783 delete TermWin.fontset[0];
784 TermWin.fontset[0] = fs;
786 prop = (*fs)[1]->properties ();
789 TermWin.fwidth = prop.width;
790 TermWin.fheight = prop.height;
791 TermWin.fweight = prop.weight;
792 TermWin.fslant = prop.slant;
793 TermWin.fbase = (*fs)[1]->ascent;
795 for (int style = 1; style < 4; style++)
798 const char *res = rs[Rs_font + style];
801 TermWin.fontset[style] = TermWin.fontset[0];
804 TermWin.fontset[style] = fs = new rxvt_fontset (this);
805 rxvt_fontprop prop2 = prop;
808 prop2.weight = prop2.slant = rxvt_fontprop::unset;
811 res = TermWin.fontset[0]->fontdesc;
813 if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold;
814 if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic;
818 fs->set_prop (prop2);
821 TermWin.fontset[style] = TermWin.fontset[0];
825 if (TermWin.parent[0])
827 resize_all_windows (0, 0, 0);
835 void rxvt_term::set_string_property (Atom prop, const char *str, int len)
837 // TODO: SMART_WINDOW_TITLE
838 XChangeProperty (display->display, TermWin.parent[0],
839 prop, XA_STRING, 8, PropModeReplace,
840 (const unsigned char *)str, len >= 0 ? len : strlen (str));
843 void rxvt_term::set_utf8_property (Atom prop, const char *str, int len)
845 // TODO: SMART_WINDOW_TITLE
846 wchar_t *ws = rxvt_mbstowcs (str, len);
847 char *s = rxvt_wcstoutf8 (ws);
849 XChangeProperty (display->display, TermWin.parent[0],
850 prop, xa[XA_UTF8_STRING], 8, PropModeReplace,
851 (const unsigned char *)s, strlen (s));
857 /*----------------------------------------------------------------------*/
858 /*----------------------------------------------------------------------*/
859 /* xterm sequences - title, iconName, color (exptl) */
861 rxvt_term::set_title (const char *str)
863 set_string_property (XA_WM_NAME, str);
865 set_utf8_property (xa[XA_NET_WM_NAME], str);
870 rxvt_term::set_icon_name (const char *str)
872 set_string_property (XA_WM_ICON_NAME, str);
874 set_utf8_property (xa[XA_NET_WM_ICON_NAME], str);
878 #ifdef XTERM_COLOR_CHANGE
880 rxvt_term::set_window_color (int idx, const char *color)
885 if (color == NULL || *color == '\0')
888 /* handle color aliases */
889 if (isdigit (*color))
892 if (i >= 8 && i <= 15)
893 { /* bright colors */
895 # ifndef NO_BRIGHTCOLOR
896 pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i];
902 if (i >= 0 && i <= 7)
903 { /* normal colors */
904 pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i];
910 if (!rXParseAllocColor (& xcol, color))
913 /* XStoreColor (display->display, display->cmap, XColor*); */
916 * FIXME: should free colors here, but no idea how to do it so instead,
917 * so just keep gobbling up the colormap
920 for (i = Color_Black; i <= Color_White; i++)
921 if (pix_colors[idx] == pix_colors[i])
925 /* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */
926 XFreeColors (display->display, display->cmap, (pix_colors + idx), 1,
927 DisplayPlanes (display->display, display->screen));
931 pix_colors_focused[idx] = xcol;
934 /* XSetWindowAttributes attr; */
937 #ifdef OFF_FOCUS_FADING
939 pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]));
942 /*TODO: handle Color_BD, scrollbar background, etc. */
949 # define set_window_color (idx,color) ((void)0)
950 #endif /* XTERM_COLOR_CHANGE */
953 rxvt_term::recolour_cursor ()
957 xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg)
958 ? pix_colors_focused[Color_pointer_fg]
959 : pix_colors_focused[Color_fg];
960 xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg)
961 ? pix_colors_focused[Color_pointer_bg]
962 : pix_colors_focused[Color_bg];
964 XQueryColors (display->display, display->cmap, xcol, 2);
965 XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1);
968 /*----------------------------------------------------------------------*/
970 * find if fg/bg matches any of the normal (low-intensity) colors
973 rxvt_term::set_colorfgbg ()
976 const char *xpmb = "\0";
977 char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1];
979 env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1);
980 strcpy (fstr, "default");
981 strcpy (bstr, "default");
982 for (i = Color_Black; i <= Color_White; i++)
983 if (pix_colors[Color_fg] == pix_colors[i])
985 sprintf (fstr, "%d", (i - Color_Black));
989 for (i = Color_Black; i <= Color_White; i++)
990 if (pix_colors[Color_bg] == pix_colors[i])
992 sprintf (bstr, "%d", (i - Color_Black));
993 #ifdef XPM_BACKGROUND
999 sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr);
1002 /*----------------------------------------------------------------------*/
1005 rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour)
1007 if (!screen_in_out->set (display, colour))
1009 rxvt_warn ("can't get colour '%s', continuing without.\n", colour);
1016 /* -------------------------------------------------------------------- *
1017 * - WINDOW RESIZING - *
1018 * -------------------------------------------------------------------- */
1020 rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent)
1025 int old_width = szHint.width, old_height = szHint.height;
1028 window_calc (width, height);
1029 XSetWMNormalHints (display->display, TermWin.parent[0], &szHint);
1035 * resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt>
1036 * reposition window on resize depending on placement on screen
1040 unsigned int unused_w1, unused_h1, unused_b1, unused_d1;
1043 XTranslateCoordinates (display->display, TermWin.parent[0], display->root,
1044 0, 0, &x, &y, &unused_cr);
1045 XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1,
1046 &unused_w1, &unused_h1, &unused_b1, &unused_d1);
1048 * if display->root isn't the parent window, a WM will probably have offset
1049 * our position for handles and decorations. Counter it
1051 if (x1 != x || y1 != y)
1057 x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2;
1058 y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2;
1059 dx = old_width - szHint.width;
1060 dy = old_height - szHint.height;
1062 /* Check position of the center of the window */
1063 if (x < x1) /* left half */
1065 else if (x == x1) /* exact center */
1067 if (y < y1) /* top half */
1069 else if (y == y1) /* exact center */
1072 XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy,
1073 szHint.width, szHint.height);
1075 XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height);
1079 fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow;
1081 if (fix_screen || width != old_width || height != old_height)
1083 if (scrollbar_visible ())
1085 XMoveResizeWindow (display->display, scrollBar.win,
1087 scrollbar_TotalWidth (), szHint.height);
1088 resize_scrollbar ();
1091 if (menubar_visible ())
1092 XMoveResizeWindow (display->display, menuBar.win,
1094 TermWin_TotalWidth (), menuBar_TotalHeight ());
1096 XMoveResizeWindow (display->display, TermWin.vt,
1097 window_vt_x, window_vt_y,
1098 TermWin_TotalWidth (), TermWin_TotalHeight ());
1100 #ifdef XPM_BACKGROUND
1105 if (fix_screen || old_height == 0)
1107 int curr_screen = -1;
1108 int old_ncol = prev_ncol;
1110 /* scr_reset only works on the primary screen */
1111 if (old_height) /* this is not the first time through */
1113 unsigned int ncol = TermWin.ncol;
1114 TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this
1115 curr_screen = scr_change_screen (PRIMARY);
1116 TermWin.ncol = ncol;
1121 if (curr_screen >= 0) /* this is not the first time through */
1123 scr_change_screen (curr_screen);
1124 selection_check (old_ncol != TermWin.ncol ? 4 : 0);
1128 old_width = szHint.width;
1129 old_height = szHint.height;
1132 IMSetStatusPosition ();
1137 * Set the width/height of the vt window in characters. Units are pixels.
1138 * good for toggling 80/132 columns
1141 rxvt_term::set_widthheight (unsigned int width, unsigned int height)
1143 XWindowAttributes wattr;
1145 if (width == 0 || height == 0)
1147 XGetWindowAttributes (display->display, display->root, &wattr);
1149 width = wattr.width - szHint.base_width;
1151 height = wattr.height - szHint.base_height;
1154 if (width != TermWin.width || height != TermWin.height)
1156 width += szHint.base_width;
1157 height += szHint.base_height;
1158 resize_all_windows (width, height, 0);
1162 /* -------------------------------------------------------------------- *
1163 * - X INPUT METHOD ROUTINES - *
1164 * -------------------------------------------------------------------- */
1168 rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg)
1170 fg = pix_colors[Color_fg];
1171 bg = pix_colors[Color_bg];
1175 rxvt_term::im_set_size (XRectangle &size)
1177 // the int_bwidth terms make no sense to me
1178 size.x = TermWin.int_bwidth;
1179 size.y = TermWin.int_bwidth;
1180 size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth;
1181 size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth;
1185 rxvt_term::im_set_preedit_area (XRectangle &preedit_rect,
1186 XRectangle &status_rect,
1187 const XRectangle &needed_rect)
1189 preedit_rect.x = needed_rect.width;
1191 preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1;
1192 preedit_rect.height = TermWin.fheight;
1196 status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1;
1197 status_rect.height = TermWin.fheight;
1200 /* Checking whether input method is running. */
1202 rxvt_term::IMisRunning ()
1207 char server[IMBUFSIZ];
1209 /* get current locale modifier */
1210 if ((p = XSetLocaleModifiers (NULL)) != NULL)
1212 strcpy (server, "@server=");
1213 strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */
1215 if ((p = strchr (server + 1, '@')) != NULL) /* first one only */
1218 atom = XInternAtom (display->display, server, False);
1219 win = XGetSelectionOwner (display->display, atom);
1229 rxvt_term::IMSendSpot ()
1232 XVaNestedList preedit_attr;
1236 || !(input_style & XIMPreeditPosition))
1239 im_set_position (nspot);
1241 if (nspot.x == spot.x && nspot.y == spot.y)
1246 preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL);
1247 XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL);
1248 XFree (preedit_attr);
1252 rxvt_term::im_destroy ()
1256 if (Input_Context && input_method->xim)
1257 XDestroyIC (Input_Context);
1259 display->put_xim (input_method);
1267 * Try to open a XIM with the current modifiers, then see if we can
1268 * open a suitable preedit type
1271 rxvt_term::IM_get_IC (const char *modifiers)
1276 XRectangle rect, status_rect, needed_rect;
1277 unsigned long fg, bg;
1280 XIMStyles *xim_styles;
1282 if (! ((p = XSetLocaleModifiers (modifiers)) && *p))
1285 D_MAIN ((stderr, "rxvt_IM_get_IC ()"));
1286 input_method = display->get_xim (locale, modifiers);
1287 if (input_method == NULL)
1290 xim = input_method->xim;
1291 spot.x = spot.y = -1;
1294 if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL)
1295 || !xim_styles || !xim_styles->count_styles)
1301 const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" };
1303 for (int pi = 0; pi < 2; pi++)
1310 s = rxvt_splitcommastring (p);
1312 for (i = found = 0; !found && s[i]; i++)
1314 if (!strcmp (s[i], "OverTheSpot"))
1315 input_style = (XIMPreeditPosition | XIMStatusNothing);
1316 else if (!strcmp (s[i], "OffTheSpot"))
1317 input_style = (XIMPreeditArea | XIMStatusArea);
1318 else if (!strcmp (s[i], "Root"))
1319 input_style = (XIMPreeditNothing | XIMStatusNothing);
1320 else if (!strcmp (s[i], "None"))
1321 input_style = (XIMPreeditNone | XIMStatusNone);
1323 for (j = 0; j < xim_styles->count_styles; j++)
1324 if (input_style == xim_styles->supported_styles[j])
1326 rxvt_freecommastring (s);
1334 rxvt_freecommastring (s);
1348 XVaNestedList preedit_attr = 0, status_attr = 0;
1350 if (input_style & (XIMPreeditPosition | XIMPreeditArea))
1352 // fake us a font-set, please
1353 char **missing_charset_list;
1354 int missing_charset_count;
1359 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1360 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1361 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1362 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1363 "-*-*-*-R-*-*-%d-*-*-*-*-*-*,"
1366 TermWin.fheight + 1, TermWin.fheight - 1,
1367 TermWin.fheight - 2, TermWin.fheight + 2);
1369 fs = XCreateFontSet (display->display, pat,
1370 &missing_charset_list, &missing_charset_count, &def_string);
1372 if (missing_charset_list)
1373 XFreeStringList (missing_charset_list);
1377 input_style &= ~(XIMPreeditPosition | XIMPreeditArea);
1378 rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n");
1382 if (input_style & XIMPreeditPosition)
1385 im_set_position (spot);
1386 im_set_color (fg, bg);
1388 preedit_attr = XVaCreateNestedList (0,
1392 XNSpotLocation, &spot,
1396 else if (input_style & XIMPreeditArea)
1398 im_set_color (fg, bg);
1401 * The necessary width of preedit area is unknown
1402 * until create input context.
1404 needed_rect.width = 0;
1405 im_set_preedit_area (rect, status_rect, needed_rect);
1407 preedit_attr = XVaCreateNestedList (0,
1413 status_attr = XVaCreateNestedList (0,
1416 XNArea, &status_rect,
1421 Input_Context = XCreateIC (xim,
1422 XNInputStyle, input_style,
1423 XNClientWindow, TermWin.vt,
1424 XNFocusWindow, TermWin.parent[0],
1425 preedit_attr ? XNPreeditAttributes : NULL,
1427 status_attr ? XNStatusAttributes : NULL,
1430 if (preedit_attr) XFree (preedit_attr);
1431 if (status_attr) XFree (status_attr);
1432 if (fs) XFreeFontSet (display->display, fs);
1434 if (Input_Context == NULL)
1436 rxvt_warn ("failed to create input context, continuing without XIM.\n");
1441 if (input_style & XIMPreeditArea)
1442 IMSetStatusPosition ();
1444 D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection"));
1451 int i, found, had_im;
1458 D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()"));
1462 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1463 if (rs[Rs_imLocale])
1464 SET_LOCALE (rs[Rs_imLocale]);
1467 p = rs[Rs_inputMethod];
1472 s = rxvt_splitcommastring (p);
1474 for (i = 0; s[i]; i++)
1478 strcpy (buf, "@im=");
1479 strncat (buf, s[i], IMBUFSIZ - 5);
1480 if (IM_get_IC (buf))
1488 rxvt_freecommastring (s);
1494 /* try with XMODIFIERS env. var. */
1498 /* try with no modifiers base IF the user didn't specify an IM */
1499 if (IM_get_IC ("@im=none"))
1503 #if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE)
1504 if (rs[Rs_imLocale])
1505 SET_LOCALE (locale);
1510 rxvt_term::IMSetStatusPosition ()
1512 XRectangle preedit_rect, status_rect, *needed_rect;
1513 XVaNestedList preedit_attr, status_attr;
1517 || !(input_style & XIMPreeditArea)
1521 /* Getting the necessary width of preedit area */
1522 status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL);
1523 XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL);
1524 XFree (status_attr);
1526 im_set_preedit_area (preedit_rect, status_rect, *needed_rect);
1527 XFree (needed_rect);
1529 preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL);
1530 status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL);
1532 XSetICValues (Input_Context,
1533 XNPreeditAttributes, preedit_attr,
1534 XNStatusAttributes, status_attr, NULL);
1536 XFree (preedit_attr);
1537 XFree (status_attr);
1539 #endif /* USE_XIM */
1541 /*----------------------------------------------------------------------*/
1542 rxvt_t rxvt_current_term;
1544 /*----------------------- end-of-file (C source) -----------------------*/