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/*--------------------------------*-C-*---------------------------------* |
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* File: main.C |
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*----------------------------------------------------------------------* |
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* |
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* All portions of code are copyright by their respective author/s. |
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* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> |
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* - original version |
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* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> |
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* - extensive modifications |
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* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> |
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* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> |
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* - extensive modifications |
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* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
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* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
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* - extensive modifications |
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* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*---------------------------------------------------------------------*/ |
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|
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#include "../config.h" /* NECESSARY */ |
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#include "rxvt.h" /* NECESSARY */ |
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#include "main.intpro" /* PROTOS for internal routines */ |
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|
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#include <csignal> |
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#include <cstring> |
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|
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#ifdef TTY_GID_SUPPORT |
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# include <grp.h> |
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#endif |
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|
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#ifdef HAVE_TERMIOS_H |
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# include <termios.h> |
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#endif |
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|
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#ifdef KEYSYM_RESOURCE |
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# include "keyboard.h" |
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#endif |
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|
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vector<rxvt_term *> rxvt_term::termlist; |
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|
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static char curlocale[128]; |
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|
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bool |
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rxvt_set_locale (const char *locale) |
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{ |
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if (!locale || !strncmp (locale, curlocale, 128)) |
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return false; |
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|
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strncpy (curlocale, locale, 128); |
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setlocale (LC_CTYPE, curlocale); |
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return true; |
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} |
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|
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#if ENABLE_COMBINING |
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class rxvt_composite_vec rxvt_composite; |
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|
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text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2) |
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{ |
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compose_char *cc; |
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|
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// break compose chains, as stupid readline really likes to duplicate |
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// composing characters for some reason near the end of a line. |
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cc = (*this)[c1]; |
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while (cc) |
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{ |
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if (cc->c2 == c2) return c1; |
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cc = (*this)[cc->c1]; |
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} |
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|
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// check to see wether this combination already exists otherwise |
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for (cc = v.end (); cc-- > v.begin (); ) |
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{ |
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if (cc->c1 == c1 && cc->c2 == c2) |
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return COMPOSE_LO + (cc - v.begin ()); |
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} |
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|
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// allocate a new combination |
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if (v.size () == COMPOSE_HI - COMPOSE_LO + 1) |
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{ |
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static int seen; |
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|
95 |
if (!seen++) |
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fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n"); |
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|
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return REPLACEMENT_CHAR; |
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} |
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|
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v.push_back (compose_char (c1, c2)); |
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|
103 |
return v.size () - 1 + COMPOSE_LO; |
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} |
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|
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int rxvt_composite_vec::expand (unicode_t c, wchar_t *r) |
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{ |
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compose_char *cc = (*this)[c]; |
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|
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if (!cc) |
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{ |
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if (r) *r = c; |
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return 1; |
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} |
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|
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int len = expand (cc->c1, r); |
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|
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if (r) r += len; |
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|
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if (cc->c2 != NOCHAR) |
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{ |
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len++; |
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if (r) *r++ = cc->c2; |
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} |
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|
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return len; |
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|
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} |
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#endif |
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|
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rxvt_term::rxvt_term () |
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: |
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#if TRANSPARENT |
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rootwin_ev (this, &rxvt_term::rootwin_cb), |
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#endif |
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#ifdef HAVE_SCROLLBARS |
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scrollbar_ev (this, &rxvt_term::x_cb), |
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#endif |
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#ifdef MENUBAR |
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menubar_ev (this, &rxvt_term::x_cb), |
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#endif |
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#ifdef CURSOR_BLINK |
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cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), |
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#endif |
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#ifdef TEXT_BLINK |
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text_blink_ev (this, &rxvt_term::text_blink_cb), |
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#endif |
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#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
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cont_scroll_ev (this, &rxvt_term::cont_scroll_cb), |
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#endif |
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#ifdef SELECTION_SCROLLING |
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sel_scroll_ev (this, &rxvt_term::sel_scroll_cb), |
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#endif |
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#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING) |
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slip_wheel_ev (this, &rxvt_term::slip_wheel_cb), |
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#endif |
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#ifdef POINTER_BLANK |
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pointer_ev (this, &rxvt_term::pointer_cb), |
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#endif |
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#ifdef USE_XIM |
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im_ev (this, &rxvt_term::im_cb), |
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#endif |
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sw_term (this, &rxvt_term::sig_term), |
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sw_int (this, &rxvt_term::sig_term), |
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sw_chld (this, &rxvt_term::sig_chld), |
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termwin_ev (this, &rxvt_term::x_cb), |
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vt_ev (this, &rxvt_term::x_cb), |
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check_ev (this, &rxvt_term::check_cb), |
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flush_ev (this, &rxvt_term::flush_cb), |
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destroy_ev (this, &rxvt_term::destroy_cb), |
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pty_ev (this, &rxvt_term::pty_cb), |
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incr_ev (this, &rxvt_term::incr_cb) |
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{ |
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cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; |
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|
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termlist.push_back (this); |
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|
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#ifdef KEYSYM_RESOURCE |
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keyboard = new keyboard_manager; |
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|
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if (!keyboard) |
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rxvt_fatal ("out of memory, aborting.\n"); |
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#endif |
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} |
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|
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// clean up the most important stuff, do *not* call x or free mem etc. |
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// for use before an emergency exit |
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void rxvt_term::emergency_cleanup () |
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{ |
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if (cmd_pid) |
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kill (-cmd_pid, SIGHUP); |
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|
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#ifdef UTMP_SUPPORT |
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privileged_utmp (RESTORE); |
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#endif |
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|
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pty.put (); |
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} |
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|
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rxvt_term::~rxvt_term () |
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{ |
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termlist.erase (find (termlist.begin (), termlist.end(), this)); |
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|
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emergency_cleanup (); |
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|
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#if ENABLE_STYLES |
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for (int i = RS_styleCount; --i; ) |
208 |
if (TermWin.fontset[i] != TermWin.fontset[0]) |
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delete TermWin.fontset[i]; |
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#endif |
211 |
delete TermWin.fontset[0]; |
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|
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if (display) |
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{ |
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dDisp; |
216 |
|
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selection_clear (); |
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|
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#ifdef USE_XIM |
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im_destroy (); |
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#endif |
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#ifdef MENUBAR |
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if (menubarGC) XFreeGC (disp, menubarGC); |
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#endif |
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#ifdef XTERM_SCROLLBAR |
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if (xscrollbarGC) XFreeGC (disp, xscrollbarGC); |
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if (ShadowGC) XFreeGC (disp, ShadowGC); |
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#endif |
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#ifdef PLAIN_SCROLLBAR |
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if (pscrollbarGC) XFreeGC (disp, pscrollbarGC); |
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#endif |
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#ifdef NEXT_SCROLLBAR |
233 |
if (blackGC) XFreeGC (disp, blackGC); |
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if (whiteGC) XFreeGC (disp, whiteGC); |
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if (grayGC) XFreeGC (disp, grayGC); |
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if (darkGC) XFreeGC (disp, darkGC); |
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if (stippleGC) XFreeGC (disp, stippleGC); |
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if (dimple) XFreePixmap (disp, dimple); |
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if (upArrow) XFreePixmap (disp, upArrow); |
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if (downArrow) XFreePixmap (disp, downArrow); |
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if (upArrowHi) XFreePixmap (disp, upArrowHi); |
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if (downArrowHi) XFreePixmap (disp, downArrowHi); |
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#endif |
244 |
#if defined(MENUBAR) || defined(RXVT_SCROLLBAR) |
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if (topShadowGC) XFreeGC (disp, topShadowGC); |
246 |
if (botShadowGC) XFreeGC (disp, botShadowGC); |
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if (scrollbarGC) XFreeGC (disp, scrollbarGC); |
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#endif |
249 |
if (TermWin.gc) XFreeGC (disp, TermWin.gc); |
250 |
|
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#if defined(MENUBAR) && (MENUBAR_MAX > 1) |
252 |
delete menuBar.drawable; |
253 |
//if (menuBar.win) |
254 |
// XDestroyWindow (disp, menuBar.win); |
255 |
#endif |
256 |
delete TermWin.drawable; |
257 |
// destroy all windows |
258 |
if (TermWin.parent[0]) |
259 |
XDestroyWindow (disp, TermWin.parent[0]); |
260 |
} |
261 |
|
262 |
// TODO: free pixcolours, colours should become part of rxvt_display |
263 |
|
264 |
delete pix_colors_focused; |
265 |
#ifdef OFF_FOCUS_FADING |
266 |
delete pix_colors_unfocused; |
267 |
#endif |
268 |
|
269 |
displays.put (display); |
270 |
|
271 |
scr_release (); |
272 |
|
273 |
/* clear all resources */ |
274 |
for (int i = 0; i < allocated.size (); i++) |
275 |
free (allocated [i]); |
276 |
|
277 |
free (selection.text); |
278 |
// TODO: manage env vars in child only(!) |
279 |
free (env_windowid); |
280 |
free (env_display); |
281 |
free (env_term); |
282 |
free (env_colorfgbg); |
283 |
free (locale); |
284 |
free (v_buffer); |
285 |
free (incr_buf); |
286 |
|
287 |
delete envv; |
288 |
delete argv; |
289 |
|
290 |
#ifdef KEYSYM_RESOURCE |
291 |
delete keyboard; |
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#endif |
293 |
} |
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|
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void |
296 |
rxvt_term::destroy () |
297 |
{ |
298 |
if (destroy_ev.active) |
299 |
return; |
300 |
|
301 |
#if ENABLE_OVERLAY |
302 |
scr_overlay_off (); |
303 |
#endif |
304 |
|
305 |
if (display) |
306 |
{ |
307 |
#if USE_XIM |
308 |
im_ev.stop (display); |
309 |
#endif |
310 |
#if HAVE_SCROLLBARS |
311 |
scrollbar_ev.stop (display); |
312 |
#endif |
313 |
#if MENUBAR |
314 |
menubar_ev.stop (display); |
315 |
#endif |
316 |
#if TRANSPARENT |
317 |
rootwin_ev.stop (display); |
318 |
#endif |
319 |
incr_ev.stop (); |
320 |
termwin_ev.stop (display); |
321 |
vt_ev.stop (display); |
322 |
} |
323 |
|
324 |
check_ev.stop (); |
325 |
pty_ev.stop (); |
326 |
#ifdef CURSOR_BLINK |
327 |
cursor_blink_ev.stop (); |
328 |
#endif |
329 |
#ifdef TEXT_BLINK |
330 |
text_blink_ev.stop (); |
331 |
#endif |
332 |
#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
333 |
cont_scroll_ev.stop (); |
334 |
#endif |
335 |
#ifdef SELECTION_SCROLLING |
336 |
sel_scroll_ev.stop (); |
337 |
#endif |
338 |
#ifdef POINTER_BLANK |
339 |
pointer_ev.stop (); |
340 |
#endif |
341 |
|
342 |
destroy_ev.start (0); |
343 |
} |
344 |
|
345 |
void |
346 |
rxvt_term::destroy_cb (time_watcher &w) |
347 |
{ |
348 |
SET_R (this); |
349 |
|
350 |
delete this; |
351 |
} |
352 |
|
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/*----------------------------------------------------------------------*/ |
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/* |
355 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
356 |
* TODO: if debugging, this should free up any known resources if we can |
357 |
*/ |
358 |
static XErrorHandler old_xerror_handler; |
359 |
|
360 |
static void |
361 |
rxvt_emergency_cleanup () |
362 |
{ |
363 |
for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
364 |
(*t)->emergency_cleanup (); |
365 |
} |
366 |
|
367 |
int |
368 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
369 |
{ |
370 |
if (GET_R->allowedxerror == -1) |
371 |
GET_R->allowedxerror = event->error_code; |
372 |
else |
373 |
{ |
374 |
//TODO: GET_R is most likely not the terminal which caused the error |
375 |
//TODO: maybe just output the error and continue? |
376 |
old_xerror_handler (display, event); |
377 |
GET_R->destroy (); |
378 |
} |
379 |
|
380 |
return 0; |
381 |
} |
382 |
|
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int |
384 |
rxvt_xioerror_handler (Display *display) |
385 |
{ |
386 |
rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n", |
387 |
DisplayString (display)); |
388 |
rxvt_emergency_cleanup (); |
389 |
_exit (EXIT_FAILURE); |
390 |
} |
391 |
|
392 |
/* |
393 |
* Catch a fatal signal and tidy up before quitting |
394 |
*/ |
395 |
void |
396 |
rxvt_term::sig_term (sig_watcher &w) |
397 |
{ |
398 |
#ifdef DEBUG_CMD |
399 |
rxvt_warn ("caught signal %d, exiting.\n", w.signum); |
400 |
#endif |
401 |
rxvt_emergency_cleanup (); |
402 |
signal (w.signum, SIG_DFL); |
403 |
kill (getpid (), w.signum); |
404 |
} |
405 |
|
406 |
/*----------------------------------------------------------------------*/ |
407 |
/* rxvt_init () */ |
408 |
bool |
409 |
rxvt_term::init (int argc, const char *const *argv) |
410 |
{ |
411 |
SET_R (this); |
412 |
|
413 |
set_locale (""); |
414 |
|
415 |
if (!init_vars ()) |
416 |
return false; |
417 |
|
418 |
init_secondary (); |
419 |
|
420 |
const char **cmd_argv = init_resources (argc, argv); |
421 |
|
422 |
#ifdef KEYSYM_RESOURCE |
423 |
keyboard->register_done (); |
424 |
#endif |
425 |
|
426 |
#if MENUBAR_MAX |
427 |
menubar_read (rs[Rs_menu]); |
428 |
#endif |
429 |
#ifdef HAVE_SCROLLBARS |
430 |
if (options & Opt_scrollBar) |
431 |
scrollBar.setIdle (); /* set existence for size calculations */ |
432 |
#endif |
433 |
|
434 |
create_windows (argc, argv); |
435 |
|
436 |
dDisp; |
437 |
|
438 |
init_xlocale (); |
439 |
|
440 |
scr_reset (); /* initialize screen */ |
441 |
|
442 |
#if 0 |
443 |
XSynchronize (disp, True); |
444 |
#endif |
445 |
|
446 |
#ifdef HAVE_SCROLLBARS |
447 |
if (options & Opt_scrollBar) |
448 |
resize_scrollbar (); /* create and map scrollbar */ |
449 |
#endif |
450 |
#if (MENUBAR_MAX) |
451 |
if (menubar_visible ()) |
452 |
XMapWindow (disp, menuBar.win); |
453 |
#endif |
454 |
#ifdef TRANSPARENT |
455 |
if (options & Opt_transparent) |
456 |
{ |
457 |
XSelectInput (disp, display->root, PropertyChangeMask); |
458 |
check_our_parents (); |
459 |
rootwin_ev.start (display, display->root); |
460 |
} |
461 |
#endif |
462 |
|
463 |
XMapWindow (disp, TermWin.vt); |
464 |
XMapWindow (disp, TermWin.parent[0]); |
465 |
|
466 |
set_colorfgbg (); |
467 |
|
468 |
init_command (cmd_argv); |
469 |
|
470 |
free (cmd_argv); |
471 |
|
472 |
pty_ev.start (pty.pty, EVENT_READ); |
473 |
|
474 |
check_ev.start (); |
475 |
|
476 |
return true; |
477 |
} |
478 |
|
479 |
void |
480 |
rxvt_init () |
481 |
{ |
482 |
/* |
483 |
* Save and then give up any super-user privileges |
484 |
* If we need privileges in any area then we must specifically request it. |
485 |
* We should only need to be root in these cases: |
486 |
* 1. write utmp entries on some systems |
487 |
* 2. chown tty on some systems |
488 |
*/ |
489 |
rxvt_privileges (SAVE); |
490 |
rxvt_privileges (IGNORE); |
491 |
|
492 |
signal (SIGHUP, SIG_IGN); |
493 |
signal (SIGPIPE, SIG_IGN); |
494 |
|
495 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
496 |
/* signal (SIGURG, SIG_DFL); */ |
497 |
|
498 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
499 |
// TODO: handle this with exceptions and tolerate the memory loss |
500 |
XSetIOErrorHandler (rxvt_xioerror_handler); |
501 |
} |
502 |
|
503 |
/* ------------------------------------------------------------------------- * |
504 |
* SIGNAL HANDLING & EXIT HANDLER * |
505 |
* ------------------------------------------------------------------------- */ |
506 |
/* |
507 |
* Catch a SIGCHLD signal and exit if the direct child has died |
508 |
*/ |
509 |
|
510 |
void |
511 |
rxvt_term::sig_chld (sig_watcher &w) |
512 |
{ |
513 |
// we are being called for every SIGCHLD, not just ours |
514 |
int pid; |
515 |
|
516 |
while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) |
517 |
for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++) |
518 |
if (pid == (*t)->cmd_pid) |
519 |
{ |
520 |
(*t)->destroy (); |
521 |
break; |
522 |
} |
523 |
} |
524 |
|
525 |
/* ------------------------------------------------------------------------- * |
526 |
* MEMORY ALLOCATION WRAPPERS * |
527 |
* ------------------------------------------------------------------------- */ |
528 |
void * |
529 |
rxvt_malloc (size_t size) |
530 |
{ |
531 |
void *p = malloc (size); |
532 |
|
533 |
if (!p) |
534 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
535 |
|
536 |
return p; |
537 |
} |
538 |
|
539 |
/* INTPROTO */ |
540 |
void * |
541 |
rxvt_calloc (size_t number, size_t size) |
542 |
{ |
543 |
void *p = calloc (number, size); |
544 |
|
545 |
if (!p) |
546 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
547 |
|
548 |
return p; |
549 |
} |
550 |
|
551 |
/* INTPROTO */ |
552 |
void * |
553 |
rxvt_realloc (void *ptr, size_t size) |
554 |
{ |
555 |
void *p = realloc (ptr, size); |
556 |
|
557 |
if (!p) |
558 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
559 |
|
560 |
return p; |
561 |
} |
562 |
|
563 |
/* ------------------------------------------------------------------------- * |
564 |
* PRIVILEGED OPERATIONS * |
565 |
* ------------------------------------------------------------------------- */ |
566 |
/* take care of suid/sgid super-user (root) privileges */ |
567 |
void |
568 |
rxvt_privileges (rxvt_privaction action) |
569 |
{ |
570 |
#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
571 |
static uid_t euid; |
572 |
static gid_t egid; |
573 |
#endif |
574 |
|
575 |
#if ! defined(__CYGWIN32__) |
576 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
577 |
/* setreuid () is the poor man's setuid (), seteuid () */ |
578 |
# define seteuid(a) setreuid(-1, (a)) |
579 |
# define setegid(a) setregid(-1, (a)) |
580 |
# define HAVE_SETEUID |
581 |
# endif |
582 |
# ifdef HAVE_SETEUID |
583 |
switch (action) |
584 |
{ |
585 |
case IGNORE: |
586 |
/* |
587 |
* change effective uid/gid - not real uid/gid - so we can switch |
588 |
* back to root later, as required |
589 |
*/ |
590 |
seteuid (getuid ()); |
591 |
setegid (getgid ()); |
592 |
break; |
593 |
case SAVE: |
594 |
euid = geteuid (); |
595 |
egid = getegid (); |
596 |
break; |
597 |
case RESTORE: |
598 |
seteuid (euid); |
599 |
setegid (egid); |
600 |
break; |
601 |
} |
602 |
# else |
603 |
switch (action) |
604 |
{ |
605 |
case IGNORE: |
606 |
setuid (getuid ()); |
607 |
setgid (getgid ()); |
608 |
/* FALLTHROUGH */ |
609 |
case SAVE: |
610 |
/* FALLTHROUGH */ |
611 |
case RESTORE: |
612 |
break; |
613 |
} |
614 |
# endif |
615 |
#endif |
616 |
} |
617 |
|
618 |
#ifdef UTMP_SUPPORT |
619 |
void |
620 |
rxvt_term::privileged_utmp (rxvt_privaction action) |
621 |
{ |
622 |
if ((options & Opt_utmpInhibit) |
623 |
|| !pty.name || !*pty.name) |
624 |
return; |
625 |
|
626 |
rxvt_privileges (RESTORE); |
627 |
|
628 |
if (action == SAVE) |
629 |
makeutent (pty.name, rs[Rs_display_name]); |
630 |
else |
631 |
cleanutent (); |
632 |
|
633 |
rxvt_privileges (IGNORE); |
634 |
} |
635 |
#endif |
636 |
|
637 |
/*----------------------------------------------------------------------*/ |
638 |
/* |
639 |
* window size/position calculcations for XSizeHint and other storage. |
640 |
* if width/height are non-zero then override calculated width/height |
641 |
*/ |
642 |
void |
643 |
rxvt_term::window_calc (unsigned int width, unsigned int height) |
644 |
{ |
645 |
short recalc_x, recalc_y; |
646 |
int x, y, sb_w, mb_h, flags; |
647 |
unsigned int w, h; |
648 |
unsigned int max_width, max_height; |
649 |
dDisp; |
650 |
|
651 |
D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
652 |
TermWin.ncol, TermWin.nrow, szHint.width, |
653 |
szHint.height)); |
654 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
655 |
szHint.win_gravity = NorthWestGravity; |
656 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
657 |
|
658 |
recalc_x = recalc_y = 0; |
659 |
flags = 0; |
660 |
if (!parsed_geometry) |
661 |
{ |
662 |
parsed_geometry = 1; |
663 |
if (rs[Rs_geometry]) |
664 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
665 |
if (flags & WidthValue) |
666 |
{ |
667 |
TermWin.ncol = BOUND_POSITIVE_INT16 (w); |
668 |
szHint.flags |= USSize; |
669 |
} |
670 |
if (flags & HeightValue) |
671 |
{ |
672 |
TermWin.nrow = BOUND_POSITIVE_INT16 (h); |
673 |
szHint.flags |= USSize; |
674 |
} |
675 |
if (flags & XValue) |
676 |
{ |
677 |
szHint.x = x; |
678 |
szHint.flags |= USPosition; |
679 |
if (flags & XNegative) |
680 |
{ |
681 |
recalc_x = 1; |
682 |
szHint.win_gravity = NorthEastGravity; |
683 |
} |
684 |
} |
685 |
if (flags & YValue) |
686 |
{ |
687 |
szHint.y = y; |
688 |
szHint.flags |= USPosition; |
689 |
if (flags & YNegative) |
690 |
{ |
691 |
recalc_y = 1; |
692 |
if (szHint.win_gravity == NorthEastGravity) |
693 |
szHint.win_gravity = SouthEastGravity; |
694 |
else |
695 |
szHint.win_gravity = SouthWestGravity; |
696 |
} |
697 |
} |
698 |
} |
699 |
|
700 |
/* TODO: BOUNDS */ |
701 |
TermWin.width = TermWin.ncol * TermWin.fwidth; |
702 |
TermWin.height = TermWin.nrow * TermWin.fheight; |
703 |
max_width = MAX_COLS * TermWin.fwidth; |
704 |
max_height = MAX_ROWS * TermWin.fheight; |
705 |
|
706 |
szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; |
707 |
|
708 |
sb_w = mb_h = 0; |
709 |
window_vt_x = window_vt_y = TermWin.int_bwidth; |
710 |
|
711 |
if (scrollbar_visible ()) |
712 |
{ |
713 |
sb_w = scrollbar_TotalWidth (); |
714 |
szHint.base_width += sb_w; |
715 |
if (!(options & Opt_scrollBar_right)) |
716 |
window_vt_x += sb_w; |
717 |
} |
718 |
|
719 |
if (menubar_visible ()) |
720 |
{ |
721 |
mb_h = menuBar_TotalHeight (); |
722 |
szHint.base_height += mb_h; |
723 |
window_vt_y += mb_h; |
724 |
} |
725 |
|
726 |
szHint.width_inc = TermWin.fwidth; |
727 |
szHint.height_inc = TermWin.fheight; |
728 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
729 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
730 |
|
731 |
if (width && width - szHint.base_width < max_width) |
732 |
{ |
733 |
szHint.width = width; |
734 |
TermWin.width = width - szHint.base_width; |
735 |
} |
736 |
else |
737 |
{ |
738 |
MIN_IT (TermWin.width, max_width); |
739 |
szHint.width = szHint.base_width + TermWin.width; |
740 |
} |
741 |
|
742 |
if (height && height - szHint.base_height < max_height) |
743 |
{ |
744 |
szHint.height = height; |
745 |
TermWin.height = height - szHint.base_height; |
746 |
} |
747 |
else |
748 |
{ |
749 |
MIN_IT (TermWin.height, max_height); |
750 |
szHint.height = szHint.base_height + TermWin.height; |
751 |
} |
752 |
|
753 |
if (scrollbar_visible () && (options & Opt_scrollBar_right)) |
754 |
window_sb_x = szHint.width - sb_w; |
755 |
|
756 |
if (recalc_x) |
757 |
szHint.x += (DisplayWidth (disp, display->screen) |
758 |
- szHint.width - 2 * TermWin.ext_bwidth); |
759 |
if (recalc_y) |
760 |
szHint.y += (DisplayHeight (disp, display->screen) |
761 |
- szHint.height - 2 * TermWin.ext_bwidth); |
762 |
|
763 |
TermWin.ncol = TermWin.width / TermWin.fwidth; |
764 |
TermWin.nrow = TermWin.height / TermWin.fheight; |
765 |
D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
766 |
TermWin.ncol, TermWin.nrow, szHint.width, |
767 |
szHint.height)); |
768 |
return; |
769 |
} |
770 |
|
771 |
/*----------------------------------------------------------------------*/ |
772 |
/* |
773 |
* Tell the teletype handler what size the window is. |
774 |
* Called after a window size change. |
775 |
*/ |
776 |
void |
777 |
rxvt_term::tt_winch () |
778 |
{ |
779 |
if (pty.pty < 0) |
780 |
return; |
781 |
|
782 |
struct winsize ws; |
783 |
|
784 |
ws.ws_col = TermWin.ncol; |
785 |
ws.ws_row = TermWin.nrow; |
786 |
ws.ws_xpixel = TermWin.width; |
787 |
ws.ws_ypixel = TermWin.height; |
788 |
(void)ioctl (pty.pty, TIOCSWINSZ, &ws); |
789 |
|
790 |
#if 0 |
791 |
// TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
792 |
if (cmd_pid) /* force through to the command */ |
793 |
kill (cmd_pid, SIGWINCH); |
794 |
#endif |
795 |
} |
796 |
|
797 |
/*----------------------------------------------------------------------*/ |
798 |
/* set_fonts () - load and set the various fonts |
799 |
/* |
800 |
* init = 1 - initialize |
801 |
* |
802 |
* fontname == FONT_UP - switch to bigger font |
803 |
* fontname == FONT_DN - switch to smaller font |
804 |
*/ |
805 |
bool |
806 |
rxvt_term::set_fonts () |
807 |
{ |
808 |
rxvt_fontset *fs = new rxvt_fontset (this); |
809 |
rxvt_fontprop prop; |
810 |
|
811 |
if (!fs |
812 |
|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed") |
813 |
|| !fs->realize_font (1)) |
814 |
{ |
815 |
delete fs; |
816 |
return false; |
817 |
} |
818 |
|
819 |
#if ENABLE_STYLES |
820 |
for (int i = RS_styleCount; --i; ) |
821 |
if (TermWin.fontset[i] != TermWin.fontset[0]) |
822 |
delete TermWin.fontset[i]; |
823 |
#endif |
824 |
|
825 |
delete TermWin.fontset[0]; |
826 |
TermWin.fontset[0] = fs; |
827 |
|
828 |
prop = (*fs)[1]->properties (); |
829 |
prop.height += TermWin.lineSpace; |
830 |
fs->set_prop (prop); |
831 |
|
832 |
TermWin.fwidth = prop.width; |
833 |
TermWin.fheight = prop.height; |
834 |
TermWin.fweight = prop.weight; |
835 |
TermWin.fslant = prop.slant; |
836 |
TermWin.fbase = (*fs)[1]->ascent; |
837 |
|
838 |
for (int style = 1; style < 4; style++) |
839 |
{ |
840 |
#if ENABLE_STYLES |
841 |
const char *res = rs[Rs_font + style]; |
842 |
|
843 |
if (res && !*res) |
844 |
TermWin.fontset[style] = TermWin.fontset[0]; |
845 |
else |
846 |
{ |
847 |
TermWin.fontset[style] = fs = new rxvt_fontset (this); |
848 |
rxvt_fontprop prop2 = prop; |
849 |
|
850 |
if (res) |
851 |
prop2.weight = prop2.slant = rxvt_fontprop::unset; |
852 |
else |
853 |
{ |
854 |
res = TermWin.fontset[0]->fontdesc; |
855 |
|
856 |
if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold; |
857 |
if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic; |
858 |
} |
859 |
|
860 |
fs->populate (res); |
861 |
fs->set_prop (prop2); |
862 |
} |
863 |
#else |
864 |
TermWin.fontset[style] = TermWin.fontset[0]; |
865 |
#endif |
866 |
} |
867 |
|
868 |
if (TermWin.parent[0]) |
869 |
{ |
870 |
resize_all_windows (0, 0, 0); |
871 |
scr_remap_chars (); |
872 |
scr_touch (true); |
873 |
} |
874 |
|
875 |
return true; |
876 |
} |
877 |
|
878 |
void rxvt_term::set_string_property (Atom prop, const char *str, int len) |
879 |
{ |
880 |
// TODO: SMART_WINDOW_TITLE |
881 |
XChangeProperty (display->display, TermWin.parent[0], |
882 |
prop, XA_STRING, 8, PropModeReplace, |
883 |
(const unsigned char *)str, len >= 0 ? len : strlen (str)); |
884 |
} |
885 |
|
886 |
void rxvt_term::set_utf8_property (Atom prop, const char *str, int len) |
887 |
{ |
888 |
// TODO: SMART_WINDOW_TITLE |
889 |
wchar_t *ws = rxvt_mbstowcs (str, len); |
890 |
char *s = rxvt_wcstoutf8 (ws); |
891 |
|
892 |
XChangeProperty (display->display, TermWin.parent[0], |
893 |
prop, xa[XA_UTF8_STRING], 8, PropModeReplace, |
894 |
(const unsigned char *)s, strlen (s)); |
895 |
|
896 |
free (s); |
897 |
free (ws); |
898 |
} |
899 |
|
900 |
/*----------------------------------------------------------------------*/ |
901 |
/*----------------------------------------------------------------------*/ |
902 |
/* xterm sequences - title, iconName, color (exptl) */ |
903 |
void |
904 |
rxvt_term::set_title (const char *str) |
905 |
{ |
906 |
set_string_property (XA_WM_NAME, str); |
907 |
#if ENABLE_FRILLS |
908 |
set_utf8_property (xa[XA_NET_WM_NAME], str); |
909 |
#endif |
910 |
} |
911 |
|
912 |
void |
913 |
rxvt_term::set_icon_name (const char *str) |
914 |
{ |
915 |
set_string_property (XA_WM_ICON_NAME, str); |
916 |
#if ENABLE_FRILLS |
917 |
set_utf8_property (xa[XA_NET_WM_ICON_NAME], str); |
918 |
#endif |
919 |
} |
920 |
|
921 |
#ifdef XTERM_COLOR_CHANGE |
922 |
void |
923 |
rxvt_term::set_window_color (int idx, const char *color) |
924 |
{ |
925 |
rxvt_color xcol; |
926 |
int i; |
927 |
|
928 |
if (color == NULL || *color == '\0') |
929 |
return; |
930 |
|
931 |
/* handle color aliases */ |
932 |
if (isdigit (*color)) |
933 |
{ |
934 |
i = atoi (color); |
935 |
|
936 |
if (i >= 8 && i <= 15) |
937 |
{ /* bright colors */ |
938 |
i -= 8; |
939 |
# ifndef NO_BRIGHTCOLOR |
940 |
pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i]; |
941 |
SET_PIXCOLOR (idx); |
942 |
goto Done; |
943 |
# endif |
944 |
} |
945 |
|
946 |
if (i >= 0 && i <= 7) |
947 |
{ /* normal colors */ |
948 |
pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i]; |
949 |
SET_PIXCOLOR (idx); |
950 |
goto Done; |
951 |
} |
952 |
} |
953 |
|
954 |
if (!rXParseAllocColor (&xcol, color)) |
955 |
return; |
956 |
|
957 |
/* XStoreColor (display->display, display->cmap, XColor*); */ |
958 |
|
959 |
/* |
960 |
* FIXME: should free colors here, but no idea how to do it so instead, |
961 |
* so just keep gobbling up the colormap |
962 |
*/ |
963 |
# if 0 |
964 |
for (i = Color_Black; i <= Color_White; i++) |
965 |
if (pix_colors[idx] == pix_colors[i]) |
966 |
break; |
967 |
if (i > Color_White) |
968 |
{ |
969 |
/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */ |
970 |
XFreeColors (display->display, display->cmap, (pix_colors + idx), 1, |
971 |
DisplayPlanes (display->display, display->screen)); |
972 |
} |
973 |
# endif |
974 |
|
975 |
pix_colors_focused[idx] = xcol; |
976 |
SET_PIXCOLOR (idx); |
977 |
|
978 |
/* XSetWindowAttributes attr; */ |
979 |
/* Cursor cursor; */ |
980 |
Done: |
981 |
#ifdef OFF_FOCUS_FADING |
982 |
if (rs[Rs_fade]) |
983 |
pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade])); |
984 |
#endif |
985 |
|
986 |
/*TODO: handle Color_BD, scrollbar background, etc. */ |
987 |
|
988 |
recolour_cursor (); |
989 |
scr_recolour (); |
990 |
} |
991 |
|
992 |
#else |
993 |
# define set_window_color (idx,color) ((void)0) |
994 |
#endif /* XTERM_COLOR_CHANGE */ |
995 |
|
996 |
void |
997 |
rxvt_term::recolour_cursor () |
998 |
{ |
999 |
XColor xcol[2]; |
1000 |
|
1001 |
xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) |
1002 |
? pix_colors_focused[Color_pointer_fg] |
1003 |
: pix_colors_focused[Color_fg]; |
1004 |
xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) |
1005 |
? pix_colors_focused[Color_pointer_bg] |
1006 |
: pix_colors_focused[Color_bg]; |
1007 |
|
1008 |
XQueryColors (display->display, display->cmap, xcol, 2); |
1009 |
XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1); |
1010 |
} |
1011 |
|
1012 |
/*----------------------------------------------------------------------*/ |
1013 |
/* |
1014 |
* find if fg/bg matches any of the normal (low-intensity) colors |
1015 |
*/ |
1016 |
void |
1017 |
rxvt_term::set_colorfgbg () |
1018 |
{ |
1019 |
unsigned int i; |
1020 |
const char *xpmb = "\0"; |
1021 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
1022 |
|
1023 |
env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1); |
1024 |
strcpy (fstr, "default"); |
1025 |
strcpy (bstr, "default"); |
1026 |
for (i = Color_Black; i <= Color_White; i++) |
1027 |
if (pix_colors[Color_fg] == pix_colors[i]) |
1028 |
{ |
1029 |
sprintf (fstr, "%d", (i - Color_Black)); |
1030 |
break; |
1031 |
} |
1032 |
|
1033 |
for (i = Color_Black; i <= Color_White; i++) |
1034 |
if (pix_colors[Color_bg] == pix_colors[i]) |
1035 |
{ |
1036 |
sprintf (bstr, "%d", (i - Color_Black)); |
1037 |
#ifdef XPM_BACKGROUND |
1038 |
xpmb = "default;"; |
1039 |
#endif |
1040 |
break; |
1041 |
} |
1042 |
|
1043 |
sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
1044 |
} |
1045 |
|
1046 |
/*----------------------------------------------------------------------*/ |
1047 |
|
1048 |
int |
1049 |
rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) |
1050 |
{ |
1051 |
if (!screen_in_out->set (display, colour)) |
1052 |
{ |
1053 |
rxvt_warn ("can't get colour '%s', continuing without.\n", colour); |
1054 |
return false; |
1055 |
} |
1056 |
|
1057 |
return true; |
1058 |
} |
1059 |
|
1060 |
/* -------------------------------------------------------------------- * |
1061 |
* - WINDOW RESIZING - * |
1062 |
* -------------------------------------------------------------------- */ |
1063 |
void |
1064 |
rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) |
1065 |
{ |
1066 |
int fix_screen; |
1067 |
#ifdef SMART_RESIZE |
1068 |
int old_width = szHint.width, old_height = szHint.height; |
1069 |
#endif |
1070 |
dDisp; |
1071 |
|
1072 |
window_calc (width, height); |
1073 |
XSetWMNormalHints (disp, TermWin.parent[0], &szHint); |
1074 |
|
1075 |
if (!ignoreparent) |
1076 |
{ |
1077 |
#ifdef SMART_RESIZE |
1078 |
/* |
1079 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
1080 |
* reposition window on resize depending on placement on screen |
1081 |
*/ |
1082 |
int x, y, x1, y1; |
1083 |
int dx, dy; |
1084 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
1085 |
Window unused_cr; |
1086 |
|
1087 |
XTranslateCoordinates (disp, TermWin.parent[0], display->root, |
1088 |
0, 0, &x, &y, &unused_cr); |
1089 |
XGetGeometry (disp, TermWin.parent[0], &unused_cr, &x1, &y1, |
1090 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
1091 |
/* |
1092 |
* if display->root isn't the parent window, a WM will probably have offset |
1093 |
* our position for handles and decorations. Counter it |
1094 |
*/ |
1095 |
if (x1 != x || y1 != y) |
1096 |
{ |
1097 |
x -= x1; |
1098 |
y -= y1; |
1099 |
} |
1100 |
|
1101 |
x1 = (DisplayWidth (disp, display->screen) - old_width) / 2; |
1102 |
y1 = (DisplayHeight (disp, display->screen) - old_height) / 2; |
1103 |
dx = old_width - szHint.width; |
1104 |
dy = old_height - szHint.height; |
1105 |
|
1106 |
/* Check position of the center of the window */ |
1107 |
if (x < x1) /* left half */ |
1108 |
dx = 0; |
1109 |
else if (x == x1) /* exact center */ |
1110 |
dx /= 2; |
1111 |
if (y < y1) /* top half */ |
1112 |
dy = 0; |
1113 |
else if (y == y1) /* exact center */ |
1114 |
dy /= 2; |
1115 |
|
1116 |
XMoveResizeWindow (disp, TermWin.parent[0], x + dx, y + dy, |
1117 |
szHint.width, szHint.height); |
1118 |
#else |
1119 |
XResizeWindow (disp, TermWin.parent[0], szHint.width, szHint.height); |
1120 |
#endif |
1121 |
} |
1122 |
|
1123 |
fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow; |
1124 |
|
1125 |
if (fix_screen || width != old_width || height != old_height) |
1126 |
{ |
1127 |
if (scrollbar_visible ()) |
1128 |
{ |
1129 |
XMoveResizeWindow (disp, scrollBar.win, |
1130 |
window_sb_x, 0, |
1131 |
scrollbar_TotalWidth (), szHint.height); |
1132 |
resize_scrollbar (); |
1133 |
} |
1134 |
|
1135 |
if (menubar_visible ()) |
1136 |
XMoveResizeWindow (disp, menuBar.win, |
1137 |
window_vt_x, 0, |
1138 |
TermWin_TotalWidth (), menuBar_TotalHeight ()); |
1139 |
|
1140 |
XMoveResizeWindow (disp, TermWin.vt, |
1141 |
window_vt_x, window_vt_y, |
1142 |
TermWin_TotalWidth (), TermWin_TotalHeight ()); |
1143 |
|
1144 |
scr_clear (); |
1145 |
#ifdef XPM_BACKGROUND |
1146 |
resize_pixmap (); |
1147 |
#endif |
1148 |
} |
1149 |
|
1150 |
if (fix_screen || old_height == 0) |
1151 |
{ |
1152 |
int curr_screen = -1; |
1153 |
int old_ncol = prev_ncol; |
1154 |
|
1155 |
/* scr_reset only works on the primary screen */ |
1156 |
if (old_height) /* this is not the first time through */ |
1157 |
{ |
1158 |
unsigned int ncol = TermWin.ncol; |
1159 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
1160 |
curr_screen = scr_change_screen (PRIMARY); |
1161 |
TermWin.ncol = ncol; |
1162 |
} |
1163 |
|
1164 |
scr_reset (); |
1165 |
|
1166 |
if (curr_screen >= 0) /* this is not the first time through */ |
1167 |
{ |
1168 |
scr_change_screen (curr_screen); |
1169 |
selection_check (old_ncol != TermWin.ncol ? 4 : 0); |
1170 |
} |
1171 |
} |
1172 |
|
1173 |
old_width = szHint.width; |
1174 |
old_height = szHint.height; |
1175 |
|
1176 |
#ifdef XPM_BACKGROUND |
1177 |
if (TermWin.pixmap) |
1178 |
scr_touch (false); |
1179 |
#endif |
1180 |
|
1181 |
#ifdef USE_XIM |
1182 |
IMSetStatusPosition (); |
1183 |
#endif |
1184 |
} |
1185 |
|
1186 |
/* |
1187 |
* Set the width/height of the vt window in characters. Units are pixels. |
1188 |
* good for toggling 80/132 columns |
1189 |
*/ |
1190 |
void |
1191 |
rxvt_term::set_widthheight (unsigned int width, unsigned int height) |
1192 |
{ |
1193 |
XWindowAttributes wattr; |
1194 |
|
1195 |
if (width == 0 || height == 0) |
1196 |
{ |
1197 |
XGetWindowAttributes (display->display, display->root, &wattr); |
1198 |
if (width == 0) |
1199 |
width = wattr.width - szHint.base_width; |
1200 |
if (height == 0) |
1201 |
height = wattr.height - szHint.base_height; |
1202 |
} |
1203 |
|
1204 |
if (width != TermWin.width || height != TermWin.height) |
1205 |
{ |
1206 |
width += szHint.base_width; |
1207 |
height += szHint.base_height; |
1208 |
resize_all_windows (width, height, 0); |
1209 |
} |
1210 |
} |
1211 |
|
1212 |
/* -------------------------------------------------------------------- * |
1213 |
* - X INPUT METHOD ROUTINES - * |
1214 |
* -------------------------------------------------------------------- */ |
1215 |
#ifdef USE_XIM |
1216 |
|
1217 |
void |
1218 |
rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg) |
1219 |
{ |
1220 |
fg = pix_colors[Color_fg]; |
1221 |
bg = pix_colors[Color_bg]; |
1222 |
} |
1223 |
|
1224 |
void |
1225 |
rxvt_term::im_set_size (XRectangle &size) |
1226 |
{ |
1227 |
// the int_bwidth terms make no sense to me |
1228 |
size.x = TermWin.int_bwidth; |
1229 |
size.y = TermWin.int_bwidth; |
1230 |
size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth; |
1231 |
size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth; |
1232 |
} |
1233 |
|
1234 |
void |
1235 |
rxvt_term::im_set_preedit_area (XRectangle &preedit_rect, |
1236 |
XRectangle &status_rect, |
1237 |
const XRectangle &needed_rect) |
1238 |
{ |
1239 |
preedit_rect.x = needed_rect.width; |
1240 |
preedit_rect.y = 0; |
1241 |
preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1; |
1242 |
preedit_rect.height = TermWin.fheight; |
1243 |
|
1244 |
status_rect.x = 0; |
1245 |
status_rect.y = 0; |
1246 |
status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1; |
1247 |
status_rect.height = TermWin.fheight; |
1248 |
} |
1249 |
|
1250 |
/* Checking whether input method is running. */ |
1251 |
bool |
1252 |
rxvt_term::IMisRunning () |
1253 |
{ |
1254 |
char *p; |
1255 |
Atom atom; |
1256 |
Window win; |
1257 |
char server[IMBUFSIZ]; |
1258 |
|
1259 |
/* get current locale modifier */ |
1260 |
if ((p = XSetLocaleModifiers (NULL)) != NULL) |
1261 |
{ |
1262 |
strcpy (server, "@server="); |
1263 |
strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1264 |
|
1265 |
if ((p = strchr (server + 1, '@')) != NULL) /* first one only */ |
1266 |
*p = '\0'; |
1267 |
|
1268 |
atom = XInternAtom (display->display, server, False); |
1269 |
win = XGetSelectionOwner (display->display, atom); |
1270 |
|
1271 |
if (win != None) |
1272 |
return True; |
1273 |
} |
1274 |
|
1275 |
return False; |
1276 |
} |
1277 |
|
1278 |
void |
1279 |
rxvt_term::IMSendSpot () |
1280 |
{ |
1281 |
XPoint nspot; |
1282 |
XVaNestedList preedit_attr; |
1283 |
|
1284 |
if (!Input_Context |
1285 |
|| !TermWin.focus |
1286 |
|| !(input_style & XIMPreeditPosition)) |
1287 |
return; |
1288 |
|
1289 |
im_set_position (nspot); |
1290 |
|
1291 |
if (nspot.x == spot.x && nspot.y == spot.y) |
1292 |
return; |
1293 |
|
1294 |
spot = nspot; |
1295 |
|
1296 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1297 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1298 |
XFree (preedit_attr); |
1299 |
} |
1300 |
|
1301 |
void |
1302 |
rxvt_term::im_destroy () |
1303 |
{ |
1304 |
if (input_method) |
1305 |
{ |
1306 |
if (Input_Context && input_method->xim) |
1307 |
XDestroyIC (Input_Context); |
1308 |
|
1309 |
display->put_xim (input_method); |
1310 |
input_method = 0; |
1311 |
} |
1312 |
|
1313 |
Input_Context = 0; |
1314 |
} |
1315 |
|
1316 |
/* |
1317 |
* Try to open a XIM with the current modifiers, then see if we can |
1318 |
* open a suitable preedit type |
1319 |
*/ |
1320 |
bool |
1321 |
rxvt_term::IM_get_IC (const char *modifiers) |
1322 |
{ |
1323 |
int i, j, found; |
1324 |
XIM xim; |
1325 |
XPoint spot; |
1326 |
XRectangle rect, status_rect, needed_rect; |
1327 |
unsigned long fg, bg; |
1328 |
const char *p; |
1329 |
char **s; |
1330 |
XIMStyles *xim_styles; |
1331 |
|
1332 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1333 |
return false; |
1334 |
|
1335 |
D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1336 |
input_method = display->get_xim (locale, modifiers); |
1337 |
if (input_method == NULL) |
1338 |
return false; |
1339 |
|
1340 |
xim = input_method->xim; |
1341 |
spot.x = spot.y = -1; |
1342 |
|
1343 |
xim_styles = NULL; |
1344 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1345 |
|| !xim_styles || !xim_styles->count_styles) |
1346 |
{ |
1347 |
im_destroy (); |
1348 |
return false; |
1349 |
} |
1350 |
|
1351 |
const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" }; |
1352 |
|
1353 |
for (int pi = 0; pi < 2; pi++) |
1354 |
{ |
1355 |
p = pet[pi]; |
1356 |
|
1357 |
if (!p) |
1358 |
continue; |
1359 |
|
1360 |
s = rxvt_splitcommastring (p); |
1361 |
|
1362 |
for (i = found = 0; !found && s[i]; i++) |
1363 |
{ |
1364 |
if (!strcmp (s[i], "OverTheSpot")) |
1365 |
input_style = (XIMPreeditPosition | XIMStatusNothing); |
1366 |
else if (!strcmp (s[i], "OffTheSpot")) |
1367 |
input_style = (XIMPreeditArea | XIMStatusArea); |
1368 |
else if (!strcmp (s[i], "Root")) |
1369 |
input_style = (XIMPreeditNothing | XIMStatusNothing); |
1370 |
else if (!strcmp (s[i], "None")) |
1371 |
input_style = (XIMPreeditNone | XIMStatusNone); |
1372 |
|
1373 |
for (j = 0; j < xim_styles->count_styles; j++) |
1374 |
if (input_style == xim_styles->supported_styles[j]) |
1375 |
{ |
1376 |
rxvt_freecommastring (s); |
1377 |
|
1378 |
found = 1; |
1379 |
goto foundpet; |
1380 |
} |
1381 |
|
1382 |
} |
1383 |
|
1384 |
rxvt_freecommastring (s); |
1385 |
} |
1386 |
|
1387 |
foundpet: |
1388 |
|
1389 |
XFree (xim_styles); |
1390 |
|
1391 |
if (!found) |
1392 |
{ |
1393 |
im_destroy (); |
1394 |
return false; |
1395 |
} |
1396 |
|
1397 |
XFontSet fs = 0; |
1398 |
XVaNestedList preedit_attr = 0, status_attr = 0; |
1399 |
|
1400 |
if (input_style & (XIMPreeditPosition | XIMPreeditArea)) |
1401 |
{ |
1402 |
// fake us a font-set, please |
1403 |
char **missing_charset_list; |
1404 |
int missing_charset_count; |
1405 |
char *def_string; |
1406 |
char pat[512]; |
1407 |
|
1408 |
sprintf (pat, |
1409 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1410 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1411 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1412 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1413 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1414 |
"*", |
1415 |
TermWin.fheight, |
1416 |
TermWin.fheight + 1, TermWin.fheight - 1, |
1417 |
TermWin.fheight - 2, TermWin.fheight + 2); |
1418 |
|
1419 |
fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat, |
1420 |
&missing_charset_list, &missing_charset_count, &def_string); |
1421 |
|
1422 |
if (missing_charset_list) |
1423 |
XFreeStringList (missing_charset_list); |
1424 |
|
1425 |
if (!fs) |
1426 |
{ |
1427 |
input_style &= ~(XIMPreeditPosition | XIMPreeditArea); |
1428 |
rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n"); |
1429 |
} |
1430 |
} |
1431 |
|
1432 |
if (input_style & XIMPreeditPosition) |
1433 |
{ |
1434 |
im_set_size (rect); |
1435 |
im_set_position (spot); |
1436 |
im_set_color (fg, bg); |
1437 |
|
1438 |
preedit_attr = XVaCreateNestedList (0, |
1439 |
XNForeground, fg, |
1440 |
XNBackground, bg, |
1441 |
XNArea, &rect, |
1442 |
XNSpotLocation, &spot, |
1443 |
XNFontSet, fs, |
1444 |
NULL); |
1445 |
} |
1446 |
else if (input_style & XIMPreeditArea) |
1447 |
{ |
1448 |
im_set_color (fg, bg); |
1449 |
|
1450 |
/* |
1451 |
* The necessary width of preedit area is unknown |
1452 |
* until create input context. |
1453 |
*/ |
1454 |
needed_rect.width = 0; |
1455 |
im_set_preedit_area (rect, status_rect, needed_rect); |
1456 |
|
1457 |
preedit_attr = XVaCreateNestedList (0, |
1458 |
XNForeground, fg, |
1459 |
XNBackground, bg, |
1460 |
XNArea, &rect, |
1461 |
XNFontSet, fs, |
1462 |
NULL); |
1463 |
status_attr = XVaCreateNestedList (0, |
1464 |
XNForeground, fg, |
1465 |
XNBackground, bg, |
1466 |
XNArea, &status_rect, |
1467 |
XNFontSet, fs, |
1468 |
NULL); |
1469 |
} |
1470 |
|
1471 |
Input_Context = XCreateIC (xim, |
1472 |
XNInputStyle, input_style, |
1473 |
XNClientWindow, TermWin.vt, |
1474 |
XNFocusWindow, TermWin.parent[0], |
1475 |
preedit_attr ? XNPreeditAttributes : NULL, |
1476 |
preedit_attr, |
1477 |
status_attr ? XNStatusAttributes : NULL, |
1478 |
status_attr, NULL); |
1479 |
|
1480 |
if (preedit_attr) XFree (preedit_attr); |
1481 |
if (status_attr) XFree (status_attr); |
1482 |
if (fs) XFreeFontSet (display->display, fs); |
1483 |
|
1484 |
if (Input_Context == NULL) |
1485 |
{ |
1486 |
rxvt_warn ("failed to create input context, continuing without XIM.\n"); |
1487 |
im_destroy (); |
1488 |
return false; |
1489 |
} |
1490 |
|
1491 |
if (input_style & XIMPreeditArea) |
1492 |
IMSetStatusPosition (); |
1493 |
|
1494 |
D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection")); |
1495 |
return true; |
1496 |
} |
1497 |
|
1498 |
void |
1499 |
rxvt_term::im_cb () |
1500 |
{ |
1501 |
int i, found, had_im; |
1502 |
const char *p; |
1503 |
char **s; |
1504 |
char buf[IMBUFSIZ]; |
1505 |
|
1506 |
im_destroy (); |
1507 |
|
1508 |
D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1509 |
if (Input_Context) |
1510 |
return; |
1511 |
|
1512 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1513 |
if (rs[Rs_imLocale]) |
1514 |
SET_LOCALE (rs[Rs_imLocale]); |
1515 |
#endif |
1516 |
|
1517 |
p = rs[Rs_inputMethod]; |
1518 |
if (p && *p) |
1519 |
{ |
1520 |
bool found = false; |
1521 |
|
1522 |
s = rxvt_splitcommastring (p); |
1523 |
|
1524 |
for (i = 0; s[i]; i++) |
1525 |
{ |
1526 |
if (*s[i]) |
1527 |
{ |
1528 |
strcpy (buf, "@im="); |
1529 |
strncat (buf, s[i], IMBUFSIZ - 5); |
1530 |
if (IM_get_IC (buf)) |
1531 |
{ |
1532 |
found = true; |
1533 |
break; |
1534 |
} |
1535 |
} |
1536 |
} |
1537 |
|
1538 |
rxvt_freecommastring (s); |
1539 |
|
1540 |
if (found) |
1541 |
goto done; |
1542 |
} |
1543 |
|
1544 |
/* try with XMODIFIERS env. var. */ |
1545 |
if (IM_get_IC ("")) |
1546 |
goto done; |
1547 |
|
1548 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1549 |
if (IM_get_IC ("@im=none")) |
1550 |
goto done; |
1551 |
|
1552 |
done: |
1553 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1554 |
if (rs[Rs_imLocale]) |
1555 |
SET_LOCALE (locale); |
1556 |
#endif |
1557 |
} |
1558 |
|
1559 |
void |
1560 |
rxvt_term::IMSetStatusPosition () |
1561 |
{ |
1562 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1563 |
XVaNestedList preedit_attr, status_attr; |
1564 |
|
1565 |
if (!Input_Context |
1566 |
|| !TermWin.focus |
1567 |
|| !(input_style & XIMPreeditArea) |
1568 |
|| !IMisRunning ()) |
1569 |
return; |
1570 |
|
1571 |
/* Getting the necessary width of preedit area */ |
1572 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1573 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1574 |
XFree (status_attr); |
1575 |
|
1576 |
im_set_preedit_area (preedit_rect, status_rect, *needed_rect); |
1577 |
XFree (needed_rect); |
1578 |
|
1579 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1580 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1581 |
|
1582 |
XSetICValues (Input_Context, |
1583 |
XNPreeditAttributes, preedit_attr, |
1584 |
XNStatusAttributes, status_attr, NULL); |
1585 |
|
1586 |
XFree (preedit_attr); |
1587 |
XFree (status_attr); |
1588 |
} |
1589 |
#endif /* USE_XIM */ |
1590 |
|
1591 |
/*----------------------------------------------------------------------*/ |
1592 |
rxvt_t rxvt_current_term; |
1593 |
|
1594 |
/*----------------------- end-of-file (C source) -----------------------*/ |