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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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|
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#include <limits> |
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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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|
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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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|
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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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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; ) |
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if (fontset[i] != fontset[0]) |
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delete fontset[i]; |
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#endif |
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delete fontset[0]; |
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|
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if (display) |
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{ |
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dDisp; |
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|
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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 |
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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 |
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#if defined(MENUBAR) || defined(RXVT_SCROLLBAR) |
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if (topShadowGC) XFreeGC (disp, topShadowGC); |
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if (botShadowGC) XFreeGC (disp, botShadowGC); |
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if (scrollbarGC) XFreeGC (disp, scrollbarGC); |
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#endif |
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if (gc) XFreeGC (disp, gc); |
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|
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#if defined(MENUBAR) && (MENUBAR_MAX > 1) |
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delete menuBar.drawable; |
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//if (menuBar.win) |
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// XDestroyWindow (disp, menuBar.win); |
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#endif |
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delete drawable; |
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// destroy all windows |
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if (parent[0]) |
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XDestroyWindow (disp, parent[0]); |
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} |
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|
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// TODO: free pixcolours, colours should become part of rxvt_display |
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|
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delete pix_colors_focused; |
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#if OFF_FOCUS_FADING |
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delete pix_colors_unfocused; |
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#endif |
266 |
|
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displays.put (display); |
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|
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scr_release (); |
270 |
|
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/* clear all resources */ |
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for (int i = 0; i < allocated.size (); i++) |
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free (allocated [i]); |
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|
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free (selection.text); |
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// TODO: manage env vars in child only(!) |
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free (env_windowid); |
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free (env_display); |
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free (env_term); |
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free (env_colorfgbg); |
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free (locale); |
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free (v_buffer); |
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free (incr_buf); |
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|
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delete envv; |
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delete argv; |
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|
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#ifdef KEYSYM_RESOURCE |
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delete keyboard; |
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#endif |
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} |
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|
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void |
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rxvt_term::child_exit () |
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{ |
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cmd_pid = 0; |
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|
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if (!OPTION (Opt_hold)) |
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destroy (); |
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} |
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|
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void |
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rxvt_term::destroy () |
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{ |
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if (destroy_ev.active) |
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return; |
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|
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#if ENABLE_OVERLAY |
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scr_overlay_off (); |
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#endif |
311 |
|
312 |
if (display) |
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{ |
314 |
#if USE_XIM |
315 |
im_ev.stop (display); |
316 |
#endif |
317 |
#if HAVE_SCROLLBARS |
318 |
scrollbar_ev.stop (display); |
319 |
#endif |
320 |
#if MENUBAR |
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menubar_ev.stop (display); |
322 |
#endif |
323 |
#if TRANSPARENT |
324 |
rootwin_ev.stop (display); |
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#endif |
326 |
incr_ev.stop (); |
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termwin_ev.stop (display); |
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vt_ev.stop (display); |
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} |
330 |
|
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check_ev.stop (); |
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pty_ev.stop (); |
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#ifdef CURSOR_BLINK |
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cursor_blink_ev.stop (); |
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#endif |
336 |
#ifdef TEXT_BLINK |
337 |
text_blink_ev.stop (); |
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#endif |
339 |
#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
340 |
cont_scroll_ev.stop (); |
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#endif |
342 |
#ifdef SELECTION_SCROLLING |
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sel_scroll_ev.stop (); |
344 |
#endif |
345 |
#ifdef POINTER_BLANK |
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pointer_ev.stop (); |
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#endif |
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|
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destroy_ev.start (0); |
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} |
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|
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void |
353 |
rxvt_term::destroy_cb (time_watcher &w) |
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{ |
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SET_R (this); |
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|
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delete this; |
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} |
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|
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/*----------------------------------------------------------------------*/ |
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/* |
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* Exit gracefully, clearing the utmp entry and restoring tty attributes |
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* TODO: if debugging, this should free up any known resources if we can |
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*/ |
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static XErrorHandler old_xerror_handler; |
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|
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static void |
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rxvt_emergency_cleanup () |
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{ |
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for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
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(*t)->emergency_cleanup (); |
372 |
} |
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|
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#if ENABLE_FRILLS |
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static void |
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print_x_error (Display *dpy, XErrorEvent *event) |
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{ |
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char buffer[BUFSIZ]; |
379 |
char mesg[BUFSIZ]; |
380 |
char number[32]; |
381 |
char *mtype = "XlibMessage"; |
382 |
XGetErrorText(dpy, event->error_code, buffer, BUFSIZ); |
383 |
XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ); |
384 |
rxvt_warn ("An X Error occured, trying to continue after report.\n"); |
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rxvt_warn ("%s: %s\n", mesg, buffer); |
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XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ); |
387 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code); |
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sprintf(number, "%d", event->request_code); |
389 |
XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ); |
390 |
rxvt_warn ("(which is %s)\n", buffer); |
391 |
if (event->request_code >= 128) { |
392 |
XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d", |
393 |
mesg, BUFSIZ); |
394 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code); |
395 |
} |
396 |
if ((event->error_code == BadWindow) || |
397 |
(event->error_code == BadPixmap) || |
398 |
(event->error_code == BadCursor) || |
399 |
(event->error_code == BadFont) || |
400 |
(event->error_code == BadDrawable) || |
401 |
(event->error_code == BadColor) || |
402 |
(event->error_code == BadGC) || |
403 |
(event->error_code == BadIDChoice) || |
404 |
(event->error_code == BadValue) || |
405 |
(event->error_code == BadAtom)) { |
406 |
if (event->error_code == BadValue) |
407 |
XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x", |
408 |
mesg, BUFSIZ); |
409 |
else if (event->error_code == BadAtom) |
410 |
XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x", |
411 |
mesg, BUFSIZ); |
412 |
else |
413 |
XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x", |
414 |
mesg, BUFSIZ); |
415 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid); |
416 |
} |
417 |
XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d", |
418 |
mesg, BUFSIZ); |
419 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial); |
420 |
} |
421 |
#endif |
422 |
|
423 |
int |
424 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
425 |
{ |
426 |
if (GET_R->allowedxerror == -1) |
427 |
GET_R->allowedxerror = event->error_code; |
428 |
else |
429 |
{ |
430 |
// GET_R is most likely not the terminal which caused the error, |
431 |
// so just output the error and continue |
432 |
#if ENABLE_FRILLS |
433 |
print_x_error (display, event); |
434 |
#else |
435 |
old_xerror_handler (display, event); |
436 |
#endif |
437 |
} |
438 |
|
439 |
return 0; |
440 |
} |
441 |
|
442 |
int |
443 |
rxvt_xioerror_handler (Display *display) |
444 |
{ |
445 |
rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n", |
446 |
DisplayString (display)); |
447 |
rxvt_emergency_cleanup (); |
448 |
_exit (EXIT_FAILURE); |
449 |
} |
450 |
|
451 |
/*----------------------------------------------------------------------*/ |
452 |
bool |
453 |
rxvt_term::init (int argc, const char *const *argv) |
454 |
{ |
455 |
SET_R (this); |
456 |
|
457 |
set_locale (""); |
458 |
|
459 |
if (!init_vars ()) |
460 |
return false; |
461 |
|
462 |
init_secondary (); |
463 |
|
464 |
const char **cmd_argv = init_resources (argc, argv); |
465 |
|
466 |
#ifdef KEYSYM_RESOURCE |
467 |
keyboard->register_done (); |
468 |
#endif |
469 |
|
470 |
#if MENUBAR_MAX |
471 |
menubar_read (rs[Rs_menu]); |
472 |
#endif |
473 |
#ifdef HAVE_SCROLLBARS |
474 |
if (OPTION (Opt_scrollBar)) |
475 |
scrollBar.setIdle (); /* set existence for size calculations */ |
476 |
#endif |
477 |
|
478 |
create_windows (argc, argv); |
479 |
|
480 |
dDisp; |
481 |
|
482 |
init_xlocale (); |
483 |
|
484 |
scr_reset (); /* initialize screen */ |
485 |
|
486 |
#if 0 |
487 |
XSynchronize (disp, True); |
488 |
#endif |
489 |
|
490 |
#ifdef HAVE_SCROLLBARS |
491 |
if (OPTION (Opt_scrollBar)) |
492 |
resize_scrollbar (); /* create and map scrollbar */ |
493 |
#endif |
494 |
#if (MENUBAR_MAX) |
495 |
if (menubar_visible ()) |
496 |
XMapWindow (disp, menuBar.win); |
497 |
#endif |
498 |
#ifdef TRANSPARENT |
499 |
if (OPTION (Opt_transparent)) |
500 |
{ |
501 |
XSelectInput (disp, display->root, PropertyChangeMask); |
502 |
check_our_parents (); |
503 |
rootwin_ev.start (display, display->root); |
504 |
} |
505 |
#endif |
506 |
|
507 |
XMapWindow (disp, vt); |
508 |
XMapWindow (disp, parent[0]); |
509 |
|
510 |
set_colorfgbg (); |
511 |
|
512 |
init_command (cmd_argv); |
513 |
|
514 |
free (cmd_argv); |
515 |
|
516 |
pty_ev.start (pty.pty, EVENT_READ); |
517 |
|
518 |
check_ev.start (); |
519 |
|
520 |
return true; |
521 |
} |
522 |
|
523 |
static struct sig_handlers |
524 |
{ |
525 |
sig_watcher sw_chld, sw_term, sw_int; |
526 |
|
527 |
void sig_chld (sig_watcher &w) |
528 |
{ |
529 |
// we are being called for every SIGCHLD, find the corresponding term |
530 |
int pid; |
531 |
|
532 |
while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) |
533 |
for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
534 |
if (pid == (*t)->cmd_pid) |
535 |
{ |
536 |
(*t)->child_exit (); |
537 |
break; |
538 |
} |
539 |
} |
540 |
|
541 |
/* |
542 |
* Catch a fatal signal and tidy up before quitting |
543 |
*/ |
544 |
void |
545 |
sig_term (sig_watcher &w) |
546 |
{ |
547 |
#ifdef DEBUG_CMD |
548 |
rxvt_warn ("caught signal %d, exiting.\n", w.signum); |
549 |
#endif |
550 |
rxvt_emergency_cleanup (); |
551 |
signal (w.signum, SIG_DFL); |
552 |
kill (getpid (), w.signum); |
553 |
} |
554 |
|
555 |
sig_handlers () |
556 |
: sw_chld (this, &sig_handlers::sig_chld), |
557 |
sw_term (this, &sig_handlers::sig_term), |
558 |
sw_int (this, &sig_handlers::sig_term) |
559 |
{ |
560 |
} |
561 |
} sig_handlers; |
562 |
|
563 |
void |
564 |
rxvt_init () |
565 |
{ |
566 |
/* |
567 |
* Save and then give up any super-user privileges |
568 |
* If we need privileges in any area then we must specifically request it. |
569 |
* We should only need to be root in these cases: |
570 |
* 1. write utmp entries on some systems |
571 |
* 2. chown tty on some systems |
572 |
*/ |
573 |
rxvt_privileges (SAVE); |
574 |
rxvt_privileges (IGNORE); |
575 |
|
576 |
signal (SIGHUP, SIG_IGN); |
577 |
signal (SIGPIPE, SIG_IGN); |
578 |
|
579 |
sig_handlers.sw_chld.start (SIGCHLD); |
580 |
sig_handlers.sw_term.start (SIGTERM); |
581 |
sig_handlers.sw_int.start (SIGINT); |
582 |
|
583 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
584 |
/* signal (SIGURG, SIG_DFL); */ |
585 |
|
586 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
587 |
// TODO: handle this with exceptions and tolerate the memory loss |
588 |
XSetIOErrorHandler (rxvt_xioerror_handler); |
589 |
} |
590 |
|
591 |
/* ------------------------------------------------------------------------- * |
592 |
* MEMORY ALLOCATION WRAPPERS * |
593 |
* ------------------------------------------------------------------------- */ |
594 |
void * |
595 |
rxvt_malloc (size_t size) |
596 |
{ |
597 |
void *p = malloc (size); |
598 |
|
599 |
if (!p) |
600 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
601 |
|
602 |
return p; |
603 |
} |
604 |
|
605 |
void * |
606 |
rxvt_calloc (size_t number, size_t size) |
607 |
{ |
608 |
void *p = calloc (number, size); |
609 |
|
610 |
if (!p) |
611 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
612 |
|
613 |
return p; |
614 |
} |
615 |
|
616 |
void * |
617 |
rxvt_realloc (void *ptr, size_t size) |
618 |
{ |
619 |
void *p = realloc (ptr, size); |
620 |
|
621 |
if (!p) |
622 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
623 |
|
624 |
return p; |
625 |
} |
626 |
|
627 |
/* ------------------------------------------------------------------------- * |
628 |
* PRIVILEGED OPERATIONS * |
629 |
* ------------------------------------------------------------------------- */ |
630 |
/* take care of suid/sgid super-user (root) privileges */ |
631 |
void |
632 |
rxvt_privileges (rxvt_privaction action) |
633 |
{ |
634 |
#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
635 |
static uid_t euid; |
636 |
static gid_t egid; |
637 |
#endif |
638 |
|
639 |
#if ! defined(__CYGWIN32__) |
640 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
641 |
/* setreuid () is the poor man's setuid (), seteuid () */ |
642 |
# define seteuid(a) setreuid(-1, (a)) |
643 |
# define setegid(a) setregid(-1, (a)) |
644 |
# define HAVE_SETEUID |
645 |
# endif |
646 |
# ifdef HAVE_SETEUID |
647 |
switch (action) |
648 |
{ |
649 |
case IGNORE: |
650 |
/* |
651 |
* change effective uid/gid - not real uid/gid - so we can switch |
652 |
* back to root later, as required |
653 |
*/ |
654 |
seteuid (getuid ()); |
655 |
setegid (getgid ()); |
656 |
break; |
657 |
case SAVE: |
658 |
euid = geteuid (); |
659 |
egid = getegid (); |
660 |
break; |
661 |
case RESTORE: |
662 |
seteuid (euid); |
663 |
setegid (egid); |
664 |
break; |
665 |
} |
666 |
# else |
667 |
switch (action) |
668 |
{ |
669 |
case IGNORE: |
670 |
setuid (getuid ()); |
671 |
setgid (getgid ()); |
672 |
/* FALLTHROUGH */ |
673 |
case SAVE: |
674 |
/* FALLTHROUGH */ |
675 |
case RESTORE: |
676 |
break; |
677 |
} |
678 |
# endif |
679 |
#endif |
680 |
} |
681 |
|
682 |
#ifdef UTMP_SUPPORT |
683 |
void |
684 |
rxvt_term::privileged_utmp (rxvt_privaction action) |
685 |
{ |
686 |
if (OPTION (Opt_utmpInhibit) |
687 |
|| !pty.name || !*pty.name) |
688 |
return; |
689 |
|
690 |
rxvt_privileges (RESTORE); |
691 |
|
692 |
if (action == SAVE) |
693 |
makeutent (pty.name, rs[Rs_display_name]); |
694 |
else |
695 |
cleanutent (); |
696 |
|
697 |
rxvt_privileges (IGNORE); |
698 |
} |
699 |
#endif |
700 |
|
701 |
/*----------------------------------------------------------------------*/ |
702 |
/* |
703 |
* window size/position calculcations for XSizeHint and other storage. |
704 |
* if width/height are non-zero then override calculated width/height |
705 |
*/ |
706 |
void |
707 |
rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
708 |
{ |
709 |
short recalc_x, recalc_y; |
710 |
int x, y, sb_w, mb_h, flags; |
711 |
unsigned int w, h; |
712 |
unsigned int max_width, max_height; |
713 |
dDisp; |
714 |
|
715 |
D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
716 |
ncol, nrow, szHint.width, szHint.height)); |
717 |
|
718 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
719 |
szHint.win_gravity = NorthWestGravity; |
720 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
721 |
|
722 |
recalc_x = recalc_y = 0; |
723 |
flags = 0; |
724 |
|
725 |
if (!parsed_geometry) |
726 |
{ |
727 |
parsed_geometry = 1; |
728 |
|
729 |
if (rs[Rs_geometry]) |
730 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
731 |
|
732 |
if (flags & WidthValue) |
733 |
{ |
734 |
ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ()); |
735 |
szHint.flags |= USSize; |
736 |
} |
737 |
|
738 |
if (flags & HeightValue) |
739 |
{ |
740 |
nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ()); |
741 |
szHint.flags |= USSize; |
742 |
} |
743 |
|
744 |
if (flags & XValue) |
745 |
{ |
746 |
szHint.x = x; |
747 |
szHint.flags |= USPosition; |
748 |
|
749 |
if (flags & XNegative) |
750 |
{ |
751 |
recalc_x = 1; |
752 |
szHint.win_gravity = NorthEastGravity; |
753 |
} |
754 |
} |
755 |
|
756 |
if (flags & YValue) |
757 |
{ |
758 |
szHint.y = y; |
759 |
szHint.flags |= USPosition; |
760 |
|
761 |
if (flags & YNegative) |
762 |
{ |
763 |
recalc_y = 1; |
764 |
|
765 |
if (szHint.win_gravity == NorthEastGravity) |
766 |
szHint.win_gravity = SouthEastGravity; |
767 |
else |
768 |
szHint.win_gravity = SouthWestGravity; |
769 |
} |
770 |
} |
771 |
} |
772 |
|
773 |
/* TODO: BOUNDS */ |
774 |
width = ncol * fwidth; |
775 |
height = nrow * fheight; |
776 |
max_width = MAX_COLS * fwidth; |
777 |
max_height = MAX_ROWS * fheight; |
778 |
|
779 |
szHint.base_width = szHint.base_height = 2 * int_bwidth; |
780 |
|
781 |
sb_w = mb_h = 0; |
782 |
window_vt_x = window_vt_y = int_bwidth; |
783 |
|
784 |
if (scrollbar_visible ()) |
785 |
{ |
786 |
sb_w = scrollbar_TotalWidth (); |
787 |
szHint.base_width += sb_w; |
788 |
if (!OPTION (Opt_scrollBar_right)) |
789 |
window_vt_x += sb_w; |
790 |
} |
791 |
|
792 |
if (menubar_visible ()) |
793 |
{ |
794 |
mb_h = menuBar_TotalHeight (); |
795 |
szHint.base_height += mb_h; |
796 |
window_vt_y += mb_h; |
797 |
} |
798 |
|
799 |
szHint.width_inc = fwidth; |
800 |
szHint.height_inc = fheight; |
801 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
802 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
803 |
|
804 |
if (newwidth && newwidth - szHint.base_width < max_width) |
805 |
{ |
806 |
szHint.width = newwidth; |
807 |
width = newwidth - szHint.base_width; |
808 |
} |
809 |
else |
810 |
{ |
811 |
min_it (width, max_width); |
812 |
szHint.width = szHint.base_width + width; |
813 |
} |
814 |
|
815 |
if (newheight && newheight - szHint.base_height < max_height) |
816 |
{ |
817 |
szHint.height = newheight; |
818 |
height = newheight - szHint.base_height; |
819 |
} |
820 |
else |
821 |
{ |
822 |
min_it (height, max_height); |
823 |
szHint.height = szHint.base_height + height; |
824 |
} |
825 |
|
826 |
if (scrollbar_visible () && OPTION (Opt_scrollBar_right)) |
827 |
window_sb_x = szHint.width - sb_w; |
828 |
|
829 |
if (recalc_x) |
830 |
szHint.x += DisplayWidth (disp, display->screen) - szHint.width - 2 * ext_bwidth; |
831 |
if (recalc_y) |
832 |
szHint.y += DisplayHeight (disp, display->screen) - szHint.height - 2 * ext_bwidth; |
833 |
|
834 |
ncol = width / fwidth; |
835 |
nrow = height / fheight; |
836 |
D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
837 |
ncol, nrow, szHint.width, |
838 |
szHint.height)); |
839 |
return; |
840 |
} |
841 |
|
842 |
/*----------------------------------------------------------------------*/ |
843 |
/* |
844 |
* Tell the teletype handler what size the window is. |
845 |
* Called after a window size change. |
846 |
*/ |
847 |
void |
848 |
rxvt_term::tt_winch () |
849 |
{ |
850 |
if (pty.pty < 0) |
851 |
return; |
852 |
|
853 |
struct winsize ws; |
854 |
|
855 |
ws.ws_col = ncol; |
856 |
ws.ws_row = nrow; |
857 |
ws.ws_xpixel = width; |
858 |
ws.ws_ypixel = height; |
859 |
(void)ioctl (pty.pty, TIOCSWINSZ, &ws); |
860 |
|
861 |
#if 0 |
862 |
// TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
863 |
if (cmd_pid) /* force through to the command */ |
864 |
kill (-cmd_pid, SIGWINCH); |
865 |
#endif |
866 |
} |
867 |
|
868 |
/*----------------------------------------------------------------------*/ |
869 |
/* set_fonts () - load and set the various fonts |
870 |
* |
871 |
* init = 1 - initialize |
872 |
* |
873 |
* fontname == FONT_UP - switch to bigger font |
874 |
* fontname == FONT_DN - switch to smaller font |
875 |
*/ |
876 |
bool |
877 |
rxvt_term::set_fonts () |
878 |
{ |
879 |
rxvt_fontset *fs = new rxvt_fontset (this); |
880 |
rxvt_fontprop prop; |
881 |
|
882 |
if (!fs |
883 |
|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed") |
884 |
|| !fs->realize_font (1)) |
885 |
{ |
886 |
delete fs; |
887 |
return false; |
888 |
} |
889 |
|
890 |
#if ENABLE_STYLES |
891 |
for (int i = RS_styleCount; --i; ) |
892 |
if (fontset[i] != fontset[0]) |
893 |
delete fontset[i]; |
894 |
#endif |
895 |
|
896 |
delete fontset[0]; |
897 |
fontset[0] = fs; |
898 |
|
899 |
prop = (*fs)[1]->properties (); |
900 |
prop.height += lineSpace; |
901 |
fs->set_prop (prop); |
902 |
|
903 |
fwidth = prop.width; |
904 |
fheight = prop.height; |
905 |
fbase = (*fs)[1]->ascent; |
906 |
|
907 |
for (int style = 1; style < 4; style++) |
908 |
{ |
909 |
#if ENABLE_STYLES |
910 |
const char *res = rs[Rs_font + style]; |
911 |
|
912 |
if (res && !*res) |
913 |
fontset[style] = fontset[0]; |
914 |
else |
915 |
{ |
916 |
fontset[style] = fs = new rxvt_fontset (this); |
917 |
rxvt_fontprop prop2 = prop; |
918 |
|
919 |
if (res) |
920 |
prop2.weight = prop2.slant = rxvt_fontprop::unset; |
921 |
else |
922 |
{ |
923 |
res = fontset[0]->fontdesc; |
924 |
|
925 |
if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold; |
926 |
if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic; |
927 |
} |
928 |
|
929 |
fs->populate (res); |
930 |
fs->set_prop (prop2); |
931 |
} |
932 |
#else |
933 |
fontset[style] = fontset[0]; |
934 |
#endif |
935 |
} |
936 |
|
937 |
if (parent[0]) |
938 |
{ |
939 |
resize_all_windows (0, 0, 0); |
940 |
scr_remap_chars (); |
941 |
scr_touch (true); |
942 |
} |
943 |
|
944 |
return true; |
945 |
} |
946 |
|
947 |
void rxvt_term::set_string_property (Atom prop, const char *str, int len) |
948 |
{ |
949 |
XChangeProperty (display->display, parent[0], |
950 |
prop, XA_STRING, 8, PropModeReplace, |
951 |
(const unsigned char *)str, len >= 0 ? len : strlen (str)); |
952 |
} |
953 |
|
954 |
void rxvt_term::set_utf8_property (Atom prop, const char *str, int len) |
955 |
{ |
956 |
wchar_t *ws = rxvt_mbstowcs (str, len); |
957 |
char *s = rxvt_wcstoutf8 (ws); |
958 |
|
959 |
XChangeProperty (display->display, parent[0], |
960 |
prop, xa[XA_UTF8_STRING], 8, PropModeReplace, |
961 |
(const unsigned char *)s, strlen (s)); |
962 |
|
963 |
free (s); |
964 |
free (ws); |
965 |
} |
966 |
|
967 |
/*----------------------------------------------------------------------*/ |
968 |
/*----------------------------------------------------------------------*/ |
969 |
/* xterm sequences - title, iconName, color (exptl) */ |
970 |
void |
971 |
rxvt_term::set_title (const char *str) |
972 |
{ |
973 |
set_string_property (XA_WM_NAME, str); |
974 |
#if ENABLE_EWMH |
975 |
set_utf8_property (xa[XA_NET_WM_NAME], str); |
976 |
#endif |
977 |
} |
978 |
|
979 |
void |
980 |
rxvt_term::set_icon_name (const char *str) |
981 |
{ |
982 |
set_string_property (XA_WM_ICON_NAME, str); |
983 |
#if ENABLE_EWMH |
984 |
set_utf8_property (xa[XA_NET_WM_ICON_NAME], str); |
985 |
#endif |
986 |
} |
987 |
|
988 |
#ifdef XTERM_COLOR_CHANGE |
989 |
void |
990 |
rxvt_term::set_window_color (int idx, const char *color) |
991 |
{ |
992 |
rxvt_color xcol; |
993 |
int i; |
994 |
|
995 |
if (color == NULL || *color == '\0') |
996 |
return; |
997 |
|
998 |
/* handle color aliases */ |
999 |
if (isdigit (*color)) |
1000 |
{ |
1001 |
i = atoi (color); |
1002 |
|
1003 |
if (i >= 8 && i <= 15) |
1004 |
{ /* bright colors */ |
1005 |
i -= 8; |
1006 |
# ifndef NO_BRIGHTCOLOR |
1007 |
pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i]; |
1008 |
SET_PIXCOLOR (idx); |
1009 |
goto done; |
1010 |
# endif |
1011 |
} |
1012 |
|
1013 |
if (i >= 0 && i <= 7) |
1014 |
{ /* normal colors */ |
1015 |
pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i]; |
1016 |
SET_PIXCOLOR (idx); |
1017 |
goto done; |
1018 |
} |
1019 |
} |
1020 |
|
1021 |
if (!rXParseAllocColor (&xcol, color)) |
1022 |
return; |
1023 |
|
1024 |
/* XStoreColor (display->display, display->cmap, XColor*); */ |
1025 |
|
1026 |
/* |
1027 |
* FIXME: should free colors here, but no idea how to do it so instead, |
1028 |
* so just keep gobbling up the colormap |
1029 |
*/ |
1030 |
# if 0 |
1031 |
for (i = Color_Black; i <= Color_White; i++) |
1032 |
if (pix_colors[idx] == pix_colors[i]) |
1033 |
break; |
1034 |
if (i > Color_White) |
1035 |
{ |
1036 |
/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */ |
1037 |
XFreeColors (display->display, display->cmap, (pix_colors + idx), 1, |
1038 |
DisplayPlanes (display->display, display->screen)); |
1039 |
} |
1040 |
# endif |
1041 |
|
1042 |
pix_colors_focused[idx] = xcol; |
1043 |
SET_PIXCOLOR (idx); |
1044 |
|
1045 |
/* XSetWindowAttributes attr; */ |
1046 |
/* Cursor cursor; */ |
1047 |
done: |
1048 |
|
1049 |
#if OFF_FOCUS_FADING |
1050 |
if (rs[Rs_fade]) |
1051 |
pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade]), pix_colors[Color_fade]); |
1052 |
#endif |
1053 |
|
1054 |
/*TODO: handle Color_BD, scrollbar background, etc. */ |
1055 |
|
1056 |
recolour_cursor (); |
1057 |
scr_recolour (); |
1058 |
} |
1059 |
|
1060 |
#else |
1061 |
# define set_window_color (idx,color) ((void)0) |
1062 |
#endif /* XTERM_COLOR_CHANGE */ |
1063 |
|
1064 |
void |
1065 |
rxvt_term::recolour_cursor () |
1066 |
{ |
1067 |
XColor xcol[2]; |
1068 |
|
1069 |
xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) |
1070 |
? pix_colors_focused[Color_pointer_fg] |
1071 |
: pix_colors_focused[Color_fg]; |
1072 |
xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) |
1073 |
? pix_colors_focused[Color_pointer_bg] |
1074 |
: pix_colors_focused[Color_bg]; |
1075 |
|
1076 |
XQueryColors (display->display, display->cmap, xcol, 2); |
1077 |
XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1); |
1078 |
} |
1079 |
|
1080 |
/*----------------------------------------------------------------------*/ |
1081 |
/* |
1082 |
* find if fg/bg matches any of the normal (low-intensity) colors |
1083 |
*/ |
1084 |
void |
1085 |
rxvt_term::set_colorfgbg () |
1086 |
{ |
1087 |
unsigned int i; |
1088 |
const char *xpmb = "\0"; |
1089 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
1090 |
|
1091 |
env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1); |
1092 |
strcpy (fstr, "default"); |
1093 |
strcpy (bstr, "default"); |
1094 |
for (i = Color_Black; i <= Color_White; i++) |
1095 |
if (pix_colors[Color_fg] == pix_colors[i]) |
1096 |
{ |
1097 |
sprintf (fstr, "%d", (i - Color_Black)); |
1098 |
break; |
1099 |
} |
1100 |
|
1101 |
for (i = Color_Black; i <= Color_White; i++) |
1102 |
if (pix_colors[Color_bg] == pix_colors[i]) |
1103 |
{ |
1104 |
sprintf (bstr, "%d", (i - Color_Black)); |
1105 |
#ifdef XPM_BACKGROUND |
1106 |
xpmb = "default;"; |
1107 |
#endif |
1108 |
break; |
1109 |
} |
1110 |
|
1111 |
sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
1112 |
} |
1113 |
|
1114 |
/*----------------------------------------------------------------------*/ |
1115 |
|
1116 |
int |
1117 |
rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) |
1118 |
{ |
1119 |
if (!screen_in_out->set (display, colour)) |
1120 |
{ |
1121 |
rxvt_warn ("can't get colour '%s', continuing without.\n", colour); |
1122 |
return false; |
1123 |
} |
1124 |
|
1125 |
return true; |
1126 |
} |
1127 |
|
1128 |
/* -------------------------------------------------------------------- * |
1129 |
* - WINDOW RESIZING - * |
1130 |
* -------------------------------------------------------------------- */ |
1131 |
void |
1132 |
rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent) |
1133 |
{ |
1134 |
int fix_screen; |
1135 |
int old_width = szHint.width, old_height = szHint.height; |
1136 |
dDisp; |
1137 |
|
1138 |
window_calc (newwidth, newheight); |
1139 |
XSetWMNormalHints (disp, parent[0], &szHint); |
1140 |
|
1141 |
if (!ignoreparent) |
1142 |
{ |
1143 |
#ifdef SMART_RESIZE |
1144 |
/* |
1145 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
1146 |
* reposition window on resize depending on placement on screen |
1147 |
*/ |
1148 |
int x, y, x1, y1; |
1149 |
int dx, dy; |
1150 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
1151 |
Window unused_cr; |
1152 |
|
1153 |
XTranslateCoordinates (disp, parent[0], display->root, |
1154 |
0, 0, &x, &y, &unused_cr); |
1155 |
XGetGeometry (disp, parent[0], &unused_cr, &x1, &y1, |
1156 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
1157 |
/* |
1158 |
* if display->root isn't the parent window, a WM will probably have offset |
1159 |
* our position for handles and decorations. Counter it |
1160 |
*/ |
1161 |
if (x1 != x || y1 != y) |
1162 |
{ |
1163 |
x -= x1; |
1164 |
y -= y1; |
1165 |
} |
1166 |
|
1167 |
x1 = (DisplayWidth (disp, display->screen) - old_width) / 2; |
1168 |
y1 = (DisplayHeight (disp, display->screen) - old_height) / 2; |
1169 |
dx = old_width - szHint.width; |
1170 |
dy = old_height - szHint.height; |
1171 |
|
1172 |
/* Check position of the center of the window */ |
1173 |
if (x < x1) /* left half */ |
1174 |
dx = 0; |
1175 |
else if (x == x1) /* exact center */ |
1176 |
dx /= 2; |
1177 |
if (y < y1) /* top half */ |
1178 |
dy = 0; |
1179 |
else if (y == y1) /* exact center */ |
1180 |
dy /= 2; |
1181 |
|
1182 |
XMoveResizeWindow (disp, parent[0], x + dx, y + dy, |
1183 |
szHint.width, szHint.height); |
1184 |
#else |
1185 |
XResizeWindow (disp, parent[0], szHint.width, szHint.height); |
1186 |
#endif |
1187 |
} |
1188 |
|
1189 |
fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
1190 |
|
1191 |
if (fix_screen || newwidth != old_width || newheight != old_height) |
1192 |
{ |
1193 |
if (scrollbar_visible ()) |
1194 |
{ |
1195 |
XMoveResizeWindow (disp, scrollBar.win, |
1196 |
window_sb_x, 0, |
1197 |
scrollbar_TotalWidth (), szHint.height); |
1198 |
resize_scrollbar (); |
1199 |
} |
1200 |
|
1201 |
if (menubar_visible ()) |
1202 |
XMoveResizeWindow (disp, menuBar.win, |
1203 |
window_vt_x, 0, |
1204 |
TermWin_TotalWidth (), menuBar_TotalHeight ()); |
1205 |
|
1206 |
XMoveResizeWindow (disp, vt, |
1207 |
window_vt_x, window_vt_y, |
1208 |
TermWin_TotalWidth (), TermWin_TotalHeight ()); |
1209 |
|
1210 |
scr_clear (); |
1211 |
#ifdef XPM_BACKGROUND |
1212 |
resize_pixmap (); |
1213 |
#endif |
1214 |
} |
1215 |
|
1216 |
if (fix_screen || old_height == 0) |
1217 |
{ |
1218 |
int curr_screen = -1; |
1219 |
int old_ncol = prev_ncol; |
1220 |
|
1221 |
/* scr_reset only works on the primary screen */ |
1222 |
if (old_height) /* this is not the first time through */ |
1223 |
{ |
1224 |
unsigned int ocol = ncol; |
1225 |
ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
1226 |
curr_screen = scr_change_screen (PRIMARY); |
1227 |
ncol = ocol; |
1228 |
} |
1229 |
|
1230 |
scr_reset (); |
1231 |
|
1232 |
if (curr_screen >= 0) /* this is not the first time through */ |
1233 |
{ |
1234 |
scr_change_screen (curr_screen); |
1235 |
selection_check (old_ncol != ncol ? 4 : 0); |
1236 |
} |
1237 |
} |
1238 |
|
1239 |
old_width = szHint.width; |
1240 |
old_height = szHint.height; |
1241 |
|
1242 |
#ifdef XPM_BACKGROUND |
1243 |
if (pixmap) |
1244 |
scr_touch (false); |
1245 |
#endif |
1246 |
|
1247 |
#ifdef USE_XIM |
1248 |
IMSetStatusPosition (); |
1249 |
#endif |
1250 |
} |
1251 |
|
1252 |
/* |
1253 |
* Set the width/height of the vt window in characters. Units are pixels. |
1254 |
* good for toggling 80/132 columns |
1255 |
*/ |
1256 |
void |
1257 |
rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight) |
1258 |
{ |
1259 |
XWindowAttributes wattr; |
1260 |
|
1261 |
if (newwidth == 0 || newheight == 0) |
1262 |
{ |
1263 |
XGetWindowAttributes (display->display, display->root, &wattr); |
1264 |
|
1265 |
if (newwidth == 0) |
1266 |
newwidth = wattr.width - szHint.base_width; |
1267 |
if (newheight == 0) |
1268 |
newheight = wattr.height - szHint.base_height; |
1269 |
} |
1270 |
|
1271 |
if (newwidth != width || newheight != height) |
1272 |
{ |
1273 |
newwidth += szHint.base_width; |
1274 |
newheight += szHint.base_height; |
1275 |
resize_all_windows (newwidth, newheight, 0); |
1276 |
} |
1277 |
} |
1278 |
|
1279 |
/* -------------------------------------------------------------------- * |
1280 |
* - X INPUT METHOD ROUTINES - * |
1281 |
* -------------------------------------------------------------------- */ |
1282 |
#ifdef USE_XIM |
1283 |
|
1284 |
void |
1285 |
rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg) |
1286 |
{ |
1287 |
fg = pix_colors[Color_fg]; |
1288 |
bg = pix_colors[Color_bg]; |
1289 |
} |
1290 |
|
1291 |
void |
1292 |
rxvt_term::im_set_size (XRectangle &size) |
1293 |
{ |
1294 |
// the int_bwidth terms make no sense to me |
1295 |
size.x = int_bwidth; |
1296 |
size.y = int_bwidth; |
1297 |
size.width = Width2Pixel (ncol) + int_bwidth; |
1298 |
size.height = Height2Pixel (nrow) + int_bwidth; |
1299 |
} |
1300 |
|
1301 |
void |
1302 |
rxvt_term::im_set_preedit_area (XRectangle &preedit_rect, |
1303 |
XRectangle &status_rect, |
1304 |
const XRectangle &needed_rect) |
1305 |
{ |
1306 |
preedit_rect.x = needed_rect.width; |
1307 |
preedit_rect.y = 0; |
1308 |
preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1; |
1309 |
preedit_rect.height = fheight; |
1310 |
|
1311 |
status_rect.x = 0; |
1312 |
status_rect.y = 0; |
1313 |
status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1; |
1314 |
status_rect.height = fheight; |
1315 |
} |
1316 |
|
1317 |
/* Checking whether input method is running. */ |
1318 |
bool |
1319 |
rxvt_term::IMisRunning () |
1320 |
{ |
1321 |
char *p; |
1322 |
Atom atom; |
1323 |
Window win; |
1324 |
char server[IMBUFSIZ]; |
1325 |
|
1326 |
/* get current locale modifier */ |
1327 |
if ((p = XSetLocaleModifiers (NULL)) != NULL) |
1328 |
{ |
1329 |
strcpy (server, "@server="); |
1330 |
strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1331 |
|
1332 |
if ((p = strchr (server + 1, '@')) != NULL) /* first one only */ |
1333 |
*p = '\0'; |
1334 |
|
1335 |
atom = XInternAtom (display->display, server, False); |
1336 |
win = XGetSelectionOwner (display->display, atom); |
1337 |
|
1338 |
if (win != None) |
1339 |
return True; |
1340 |
} |
1341 |
|
1342 |
return False; |
1343 |
} |
1344 |
|
1345 |
void |
1346 |
rxvt_term::IMSendSpot () |
1347 |
{ |
1348 |
XPoint nspot; |
1349 |
XVaNestedList preedit_attr; |
1350 |
|
1351 |
if (!Input_Context |
1352 |
|| !focus |
1353 |
|| !(input_style & XIMPreeditPosition)) |
1354 |
return; |
1355 |
|
1356 |
im_set_position (nspot); |
1357 |
|
1358 |
if (nspot.x == spot.x && nspot.y == spot.y) |
1359 |
return; |
1360 |
|
1361 |
spot = nspot; |
1362 |
|
1363 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1364 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1365 |
XFree (preedit_attr); |
1366 |
} |
1367 |
|
1368 |
void |
1369 |
rxvt_term::im_destroy () |
1370 |
{ |
1371 |
if (input_method) |
1372 |
{ |
1373 |
if (Input_Context && input_method->xim) |
1374 |
XDestroyIC (Input_Context); |
1375 |
|
1376 |
display->put_xim (input_method); |
1377 |
input_method = 0; |
1378 |
} |
1379 |
|
1380 |
Input_Context = 0; |
1381 |
} |
1382 |
|
1383 |
/* |
1384 |
* Try to open a XIM with the current modifiers, then see if we can |
1385 |
* open a suitable preedit type |
1386 |
*/ |
1387 |
bool |
1388 |
rxvt_term::IM_get_IC (const char *modifiers) |
1389 |
{ |
1390 |
int i, j, found; |
1391 |
XIM xim; |
1392 |
XPoint spot; |
1393 |
XRectangle rect, status_rect, needed_rect; |
1394 |
unsigned long fg, bg; |
1395 |
const char *p; |
1396 |
char **s; |
1397 |
XIMStyles *xim_styles; |
1398 |
|
1399 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1400 |
return false; |
1401 |
|
1402 |
D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1403 |
input_method = display->get_xim (locale, modifiers); |
1404 |
if (input_method == NULL) |
1405 |
return false; |
1406 |
|
1407 |
xim = input_method->xim; |
1408 |
spot.x = spot.y = -1; |
1409 |
|
1410 |
xim_styles = NULL; |
1411 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1412 |
|| !xim_styles || !xim_styles->count_styles) |
1413 |
{ |
1414 |
im_destroy (); |
1415 |
return false; |
1416 |
} |
1417 |
|
1418 |
const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" }; |
1419 |
|
1420 |
for (int pi = 0; pi < 2; pi++) |
1421 |
{ |
1422 |
p = pet[pi]; |
1423 |
|
1424 |
if (!p) |
1425 |
continue; |
1426 |
|
1427 |
s = rxvt_splitcommastring (p); |
1428 |
|
1429 |
for (i = found = 0; !found && s[i]; i++) |
1430 |
{ |
1431 |
if (!strcmp (s[i], "OverTheSpot")) |
1432 |
input_style = (XIMPreeditPosition | XIMStatusNothing); |
1433 |
else if (!strcmp (s[i], "OffTheSpot")) |
1434 |
input_style = (XIMPreeditArea | XIMStatusArea); |
1435 |
else if (!strcmp (s[i], "Root")) |
1436 |
input_style = (XIMPreeditNothing | XIMStatusNothing); |
1437 |
else if (!strcmp (s[i], "None")) |
1438 |
input_style = (XIMPreeditNone | XIMStatusNone); |
1439 |
|
1440 |
for (j = 0; j < xim_styles->count_styles; j++) |
1441 |
if (input_style == xim_styles->supported_styles[j]) |
1442 |
{ |
1443 |
rxvt_freecommastring (s); |
1444 |
|
1445 |
found = 1; |
1446 |
goto foundpet; |
1447 |
} |
1448 |
|
1449 |
} |
1450 |
|
1451 |
rxvt_freecommastring (s); |
1452 |
} |
1453 |
|
1454 |
foundpet: |
1455 |
|
1456 |
XFree (xim_styles); |
1457 |
|
1458 |
if (!found) |
1459 |
{ |
1460 |
im_destroy (); |
1461 |
return false; |
1462 |
} |
1463 |
|
1464 |
XFontSet fs = 0; |
1465 |
XVaNestedList preedit_attr = 0, status_attr = 0; |
1466 |
|
1467 |
if (input_style & (XIMPreeditPosition | XIMPreeditArea)) |
1468 |
{ |
1469 |
// fake us a font-set, please |
1470 |
char **missing_charset_list; |
1471 |
int missing_charset_count; |
1472 |
char *def_string; |
1473 |
char pat[512]; |
1474 |
|
1475 |
sprintf (pat, |
1476 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1477 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1478 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1479 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1480 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1481 |
"*", |
1482 |
fheight, |
1483 |
fheight + 1, fheight - 1, |
1484 |
fheight - 2, fheight + 2); |
1485 |
|
1486 |
fs = XCreateFontSet (display->display, rs[Rs_imFont] ? rs[Rs_imFont] : pat, |
1487 |
&missing_charset_list, &missing_charset_count, &def_string); |
1488 |
|
1489 |
if (missing_charset_list) |
1490 |
XFreeStringList (missing_charset_list); |
1491 |
|
1492 |
if (!fs) |
1493 |
{ |
1494 |
input_style &= ~(XIMPreeditPosition | XIMPreeditArea); |
1495 |
rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n"); |
1496 |
} |
1497 |
} |
1498 |
|
1499 |
if (input_style & XIMPreeditPosition) |
1500 |
{ |
1501 |
im_set_size (rect); |
1502 |
im_set_position (spot); |
1503 |
im_set_color (fg, bg); |
1504 |
|
1505 |
preedit_attr = XVaCreateNestedList (0, |
1506 |
XNForeground, fg, |
1507 |
XNBackground, bg, |
1508 |
XNArea, &rect, |
1509 |
XNSpotLocation, &spot, |
1510 |
XNFontSet, fs, |
1511 |
NULL); |
1512 |
} |
1513 |
else if (input_style & XIMPreeditArea) |
1514 |
{ |
1515 |
im_set_color (fg, bg); |
1516 |
|
1517 |
/* |
1518 |
* The necessary width of preedit area is unknown |
1519 |
* until create input context. |
1520 |
*/ |
1521 |
needed_rect.width = 0; |
1522 |
im_set_preedit_area (rect, status_rect, needed_rect); |
1523 |
|
1524 |
preedit_attr = XVaCreateNestedList (0, |
1525 |
XNForeground, fg, |
1526 |
XNBackground, bg, |
1527 |
XNArea, &rect, |
1528 |
XNFontSet, fs, |
1529 |
NULL); |
1530 |
status_attr = XVaCreateNestedList (0, |
1531 |
XNForeground, fg, |
1532 |
XNBackground, bg, |
1533 |
XNArea, &status_rect, |
1534 |
XNFontSet, fs, |
1535 |
NULL); |
1536 |
} |
1537 |
|
1538 |
Input_Context = XCreateIC (xim, |
1539 |
XNInputStyle, input_style, |
1540 |
XNClientWindow, vt, |
1541 |
XNFocusWindow, parent[0], |
1542 |
preedit_attr ? XNPreeditAttributes : NULL, |
1543 |
preedit_attr, |
1544 |
status_attr ? XNStatusAttributes : NULL, |
1545 |
status_attr, NULL); |
1546 |
|
1547 |
if (preedit_attr) XFree (preedit_attr); |
1548 |
if (status_attr) XFree (status_attr); |
1549 |
if (fs) XFreeFontSet (display->display, fs); |
1550 |
|
1551 |
if (Input_Context == NULL) |
1552 |
{ |
1553 |
rxvt_warn ("failed to create input context, continuing without XIM.\n"); |
1554 |
im_destroy (); |
1555 |
return false; |
1556 |
} |
1557 |
|
1558 |
if (input_style & XIMPreeditArea) |
1559 |
IMSetStatusPosition (); |
1560 |
|
1561 |
D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection")); |
1562 |
return true; |
1563 |
} |
1564 |
|
1565 |
void |
1566 |
rxvt_term::im_cb () |
1567 |
{ |
1568 |
int i; |
1569 |
const char *p; |
1570 |
char **s; |
1571 |
char buf[IMBUFSIZ]; |
1572 |
|
1573 |
SET_R (this); |
1574 |
|
1575 |
im_destroy (); |
1576 |
|
1577 |
D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1578 |
if (Input_Context) |
1579 |
return; |
1580 |
|
1581 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1582 |
if (rs[Rs_imLocale]) |
1583 |
SET_LOCALE (rs[Rs_imLocale]); |
1584 |
#endif |
1585 |
|
1586 |
p = rs[Rs_inputMethod]; |
1587 |
if (p && *p) |
1588 |
{ |
1589 |
bool found = false; |
1590 |
|
1591 |
s = rxvt_splitcommastring (p); |
1592 |
|
1593 |
for (i = 0; s[i]; i++) |
1594 |
{ |
1595 |
if (*s[i]) |
1596 |
{ |
1597 |
strcpy (buf, "@im="); |
1598 |
strncat (buf, s[i], IMBUFSIZ - 5); |
1599 |
if (IM_get_IC (buf)) |
1600 |
{ |
1601 |
found = true; |
1602 |
break; |
1603 |
} |
1604 |
} |
1605 |
} |
1606 |
|
1607 |
rxvt_freecommastring (s); |
1608 |
|
1609 |
if (found) |
1610 |
goto done; |
1611 |
} |
1612 |
|
1613 |
/* try with XMODIFIERS env. var. */ |
1614 |
if (IM_get_IC ("")) |
1615 |
goto done; |
1616 |
|
1617 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1618 |
if (IM_get_IC ("@im=none")) |
1619 |
goto done; |
1620 |
|
1621 |
done: |
1622 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1623 |
if (rs[Rs_imLocale]) |
1624 |
SET_LOCALE (locale); |
1625 |
#endif |
1626 |
} |
1627 |
|
1628 |
void |
1629 |
rxvt_term::IMSetStatusPosition () |
1630 |
{ |
1631 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1632 |
XVaNestedList preedit_attr, status_attr; |
1633 |
|
1634 |
if (!Input_Context |
1635 |
|| !focus |
1636 |
|| !(input_style & XIMPreeditArea) |
1637 |
|| !IMisRunning ()) |
1638 |
return; |
1639 |
|
1640 |
/* Getting the necessary width of preedit area */ |
1641 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1642 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1643 |
XFree (status_attr); |
1644 |
|
1645 |
im_set_preedit_area (preedit_rect, status_rect, *needed_rect); |
1646 |
XFree (needed_rect); |
1647 |
|
1648 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1649 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1650 |
|
1651 |
XSetICValues (Input_Context, |
1652 |
XNPreeditAttributes, preedit_attr, |
1653 |
XNStatusAttributes, status_attr, NULL); |
1654 |
|
1655 |
XFree (preedit_attr); |
1656 |
XFree (status_attr); |
1657 |
} |
1658 |
#endif /* USE_XIM */ |
1659 |
|
1660 |
/*----------------------------------------------------------------------*/ |
1661 |
rxvt_t rxvt_current_term; |
1662 |
|
1663 |
/*----------------------- end-of-file (C source) -----------------------*/ |