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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 <signal.h> |
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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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#include <cstring> |
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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; |
101 |
} |
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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]; |
106 |
|
107 |
if (!cc) |
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{ |
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if (r) *r = c; |
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return 1; |
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} |
112 |
|
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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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void * |
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rxvt_term::operator new (size_t s) |
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{ |
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void *p = malloc (s); |
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|
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MEMSET (p, 0, s); |
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return p; |
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} |
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|
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void |
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rxvt_term::operator delete (void *p, size_t s) |
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{ |
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free (p); |
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} |
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|
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rxvt_term::rxvt_term () |
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: |
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rootwin_ev (this, &rxvt_term::rootwin_cb), |
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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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#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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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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|
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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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if (cmd_fd >= 0) |
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close (cmd_fd); |
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|
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#ifndef NO_SETOWNER_TTYDEV |
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privileged_ttydev (RESTORE); |
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#endif |
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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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delete TermWin.fontset; |
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|
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if (display) |
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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 (display->display, menubarGC); |
211 |
#endif |
212 |
#ifdef XTERM_SCROLLBAR |
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if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC); |
214 |
if (ShadowGC) XFreeGC (display->display, ShadowGC); |
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#endif |
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#ifdef PLAIN_SCROLLBAR |
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if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC); |
218 |
#endif |
219 |
#ifdef NEXT_SCROLLBAR |
220 |
if (blackGC) XFreeGC (display->display, blackGC); |
221 |
if (whiteGC) XFreeGC (display->display, whiteGC); |
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if (grayGC) XFreeGC (display->display, grayGC); |
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if (darkGC) XFreeGC (display->display, darkGC); |
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if (stippleGC) XFreeGC (display->display, stippleGC); |
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if (dimple) XFreePixmap (display->display, dimple); |
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if (upArrow) XFreePixmap (display->display, upArrow); |
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if (downArrow) XFreePixmap (display->display, downArrow); |
228 |
if (upArrowHi) XFreePixmap (display->display, upArrowHi); |
229 |
if (downArrowHi) XFreePixmap (display->display, downArrowHi); |
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#endif |
231 |
#if defined(MENUBAR) || defined(RXVT_SCROLLBAR) |
232 |
if (topShadowGC) XFreeGC (display->display, topShadowGC); |
233 |
if (botShadowGC) XFreeGC (display->display, botShadowGC); |
234 |
if (scrollbarGC) XFreeGC (display->display, scrollbarGC); |
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#endif |
236 |
if (TermWin.gc) XFreeGC (display->display, TermWin.gc); |
237 |
|
238 |
#if defined(MENUBAR) && (MENUBAR_MAX > 1) |
239 |
delete menuBar.drawable; |
240 |
//if (menuBar.win) |
241 |
// XDestroyWindow (display->display, menuBar.win); |
242 |
#endif |
243 |
delete TermWin.drawable; |
244 |
// destroy all windows |
245 |
if (TermWin.parent[0]) |
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XDestroyWindow (display->display, TermWin.parent[0]); |
247 |
} |
248 |
|
249 |
// TODO: free pixcolours, colours should become part of rxvt_display |
250 |
|
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delete PixColorsFocused; |
252 |
#ifdef OFF_FOCUS_FADING |
253 |
delete PixColorsUnFocused; |
254 |
#endif |
255 |
|
256 |
displays.put (display); |
257 |
|
258 |
scr_release (); |
259 |
|
260 |
/* clear all resources */ |
261 |
for (int i = 0; i < allocated.size (); i++) |
262 |
free (allocated[i]); |
263 |
|
264 |
free (selection.text); |
265 |
// TODO: manage env vars in child only(!) |
266 |
free (env_windowid); |
267 |
free (env_display); |
268 |
free (env_term); |
269 |
free (env_colorfgbg); |
270 |
free (locale); |
271 |
#if 0 |
272 |
free (codeset); |
273 |
#endif |
274 |
|
275 |
delete envv; |
276 |
delete argv; |
277 |
} |
278 |
|
279 |
void |
280 |
rxvt_term::destroy () |
281 |
{ |
282 |
if (destroy_ev.active) |
283 |
return; |
284 |
|
285 |
if (display) |
286 |
{ |
287 |
#ifdef USE_XIM |
288 |
im_ev.stop (display); |
289 |
#endif |
290 |
#ifdef HAVE_SCROLLBARS |
291 |
scrollbar_ev.stop (display); |
292 |
#endif |
293 |
#ifdef MENUBAR |
294 |
menubar_ev.stop (display); |
295 |
#endif |
296 |
rootwin_ev.stop (display); |
297 |
termwin_ev.stop (display); |
298 |
vt_ev.stop (display); |
299 |
} |
300 |
|
301 |
check_ev.stop (); |
302 |
pty_ev.stop (); |
303 |
#ifdef CURSOR_BLINK |
304 |
cursor_blink_ev.stop (); |
305 |
#endif |
306 |
#ifdef TEXT_BLINK |
307 |
text_blink_ev.stop (); |
308 |
#endif |
309 |
#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
310 |
cont_scroll_ev.stop (); |
311 |
#endif |
312 |
#ifdef SELECTION_SCROLLING |
313 |
sel_scroll_ev.stop (); |
314 |
#endif |
315 |
#ifdef POINTER_BLANK |
316 |
pointer_ev.stop (); |
317 |
#endif |
318 |
|
319 |
destroy_ev.start (0); |
320 |
} |
321 |
|
322 |
void |
323 |
rxvt_term::destroy_cb (time_watcher &w) |
324 |
{ |
325 |
SET_R (this); |
326 |
|
327 |
delete this; |
328 |
} |
329 |
|
330 |
/*----------------------------------------------------------------------*/ |
331 |
/* rxvt_init () */ |
332 |
bool |
333 |
rxvt_term::init (int argc, const char *const *argv) |
334 |
{ |
335 |
SET_R (this); |
336 |
|
337 |
if (!init_vars ()) |
338 |
return false; |
339 |
|
340 |
/* |
341 |
* Save and then give up any super-user privileges |
342 |
* If we need privileges in any area then we must specifically request it. |
343 |
* We should only need to be root in these cases: |
344 |
* 1. write utmp entries on some systems |
345 |
* 2. chown tty on some systems |
346 |
*/ |
347 |
privileges (SAVE); |
348 |
privileges (IGNORE); |
349 |
|
350 |
init_secondary (); |
351 |
|
352 |
const char **cmd_argv = init_resources (argc, argv); |
353 |
|
354 |
set_locale (""); |
355 |
|
356 |
#if MENUBAR_MAX |
357 |
menubar_read (rs[Rs_menu]); |
358 |
#endif |
359 |
#ifdef HAVE_SCROLLBARS |
360 |
if (Options & Opt_scrollBar) |
361 |
scrollBar.setIdle (); /* set existence for size calculations */ |
362 |
#endif |
363 |
|
364 |
create_windows (argc, argv); |
365 |
|
366 |
init_xlocale (); |
367 |
|
368 |
scr_reset (); /* initialize screen */ |
369 |
|
370 |
#if 0 |
371 |
XSynchronize (display->display, True); |
372 |
#endif |
373 |
|
374 |
#ifdef HAVE_SCROLLBARS |
375 |
if (Options & Opt_scrollBar) |
376 |
resize_scrollbar (); /* create and map scrollbar */ |
377 |
#endif |
378 |
#if (MENUBAR_MAX) |
379 |
if (menubar_visible ()) |
380 |
XMapWindow (display->display, menuBar.win); |
381 |
#endif |
382 |
#ifdef TRANSPARENT |
383 |
if (Options & Opt_transparent) |
384 |
{ |
385 |
XSelectInput (display->display, display->root, PropertyChangeMask); |
386 |
check_our_parents (); |
387 |
} |
388 |
#endif |
389 |
|
390 |
rootwin_ev.start (display, display->root); |
391 |
|
392 |
XMapWindow (display->display, TermWin.vt); |
393 |
XMapWindow (display->display, TermWin.parent[0]); |
394 |
|
395 |
init_command (cmd_argv); |
396 |
|
397 |
pty_ev.start (cmd_fd, EVENT_READ); |
398 |
|
399 |
check_ev.start (); |
400 |
|
401 |
return true; |
402 |
} |
403 |
|
404 |
static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event); |
405 |
|
406 |
void |
407 |
rxvt_init_signals () |
408 |
{ |
409 |
/* install exit handler for cleanup */ |
410 |
#if 0 |
411 |
#ifdef HAVE_ATEXIT |
412 |
atexit (rxvt_clean_exit); |
413 |
#else |
414 |
#endif |
415 |
#endif |
416 |
|
417 |
struct sigaction sa; |
418 |
|
419 |
sigfillset (&sa.sa_mask); |
420 |
sa.sa_flags = SA_NOCLDSTOP | SA_RESTART; |
421 |
sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0); |
422 |
sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0); |
423 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0); |
424 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0); |
425 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0); |
426 |
sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0); |
427 |
|
428 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
429 |
/* signal (SIGURG, SIG_DFL); */ |
430 |
|
431 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
432 |
//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler); |
433 |
} |
434 |
|
435 |
/* ------------------------------------------------------------------------- * |
436 |
* SIGNAL HANDLING & EXIT HANDLER * |
437 |
* ------------------------------------------------------------------------- */ |
438 |
/* |
439 |
* Catch a SIGCHLD signal and exit if the direct child has died |
440 |
*/ |
441 |
|
442 |
void rxvt_term::child_exited (int pid) |
443 |
{ |
444 |
for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++) |
445 |
if (pid == (*t)->cmd_pid) |
446 |
{ |
447 |
(*t)->destroy (); |
448 |
break; |
449 |
} |
450 |
} |
451 |
|
452 |
/* ARGSUSED */ |
453 |
/* EXTPROTO */ |
454 |
RETSIGTYPE |
455 |
rxvt_Child_signal (int sig __attribute__ ((unused))) |
456 |
{ |
457 |
int pid, save_errno = errno; |
458 |
|
459 |
while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) |
460 |
rxvt_term::child_exited (pid); |
461 |
|
462 |
errno = save_errno; |
463 |
} |
464 |
|
465 |
/* |
466 |
* Catch a fatal signal and tidy up before quitting |
467 |
*/ |
468 |
/* EXTPROTO */ |
469 |
RETSIGTYPE |
470 |
rxvt_Exit_signal (int sig) |
471 |
{ |
472 |
signal (sig, SIG_DFL); |
473 |
#ifdef DEBUG_CMD |
474 |
rxvt_warn ("caught signal %d, exiting.\n", sig); |
475 |
#endif |
476 |
rxvt_clean_exit (); |
477 |
kill (getpid (), sig); |
478 |
} |
479 |
|
480 |
/* INTPROTO */ |
481 |
int |
482 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
483 |
{ |
484 |
if (GET_R->allowedxerror == -1) |
485 |
GET_R->allowedxerror = event->error_code; |
486 |
else |
487 |
{ |
488 |
old_xerror_handler (display, event); |
489 |
GET_R->destroy (); |
490 |
} |
491 |
|
492 |
return 0; |
493 |
} |
494 |
|
495 |
/*----------------------------------------------------------------------*/ |
496 |
/* |
497 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
498 |
* TODO: if debugging, this should free up any known resources if we can |
499 |
*/ |
500 |
/* EXTPROTO */ |
501 |
void |
502 |
rxvt_clean_exit () |
503 |
{ |
504 |
// TODO: rxvtd should clean up all ressources |
505 |
if (GET_R) |
506 |
GET_R->destroy (); |
507 |
} |
508 |
|
509 |
/* ------------------------------------------------------------------------- * |
510 |
* MEMORY ALLOCATION WRAPPERS * |
511 |
* ------------------------------------------------------------------------- */ |
512 |
/* EXTPROTO */ |
513 |
void * |
514 |
rxvt_malloc (size_t size) |
515 |
{ |
516 |
void *p; |
517 |
|
518 |
p = malloc (size); |
519 |
if (p) |
520 |
return p; |
521 |
|
522 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
523 |
rxvt_clean_exit (); |
524 |
exit (EXIT_FAILURE); |
525 |
/* NOTREACHED */ |
526 |
} |
527 |
|
528 |
/* EXTPROTO */ |
529 |
void * |
530 |
rxvt_calloc (size_t number, size_t size) |
531 |
{ |
532 |
void *p; |
533 |
|
534 |
p = calloc (number, size); |
535 |
if (p) |
536 |
return p; |
537 |
|
538 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
539 |
rxvt_clean_exit (); |
540 |
exit (EXIT_FAILURE); |
541 |
/* NOTREACHED */ |
542 |
} |
543 |
|
544 |
/* EXTPROTO */ |
545 |
void * |
546 |
rxvt_realloc (void *ptr, size_t size) |
547 |
{ |
548 |
void *p; |
549 |
|
550 |
if (ptr) |
551 |
p = realloc (ptr, size); |
552 |
else |
553 |
p = malloc (size); |
554 |
if (p) |
555 |
return p; |
556 |
|
557 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
558 |
rxvt_clean_exit (); |
559 |
exit (EXIT_FAILURE); |
560 |
/* NOTREACHED */ |
561 |
} |
562 |
|
563 |
/* ------------------------------------------------------------------------- * |
564 |
* PRIVILEGED OPERATIONS * |
565 |
* ------------------------------------------------------------------------- */ |
566 |
/* take care of suid/sgid super-user (root) privileges */ |
567 |
void |
568 |
rxvt_term::privileges (int mode) |
569 |
{ |
570 |
#if ! defined(__CYGWIN32__) |
571 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
572 |
/* setreuid () is the poor man's setuid (), seteuid () */ |
573 |
# define seteuid(a) setreuid(-1, (a)) |
574 |
# define setegid(a) setregid(-1, (a)) |
575 |
# define HAVE_SETEUID |
576 |
# endif |
577 |
# ifdef HAVE_SETEUID |
578 |
switch (mode) |
579 |
{ |
580 |
case IGNORE: |
581 |
/* |
582 |
* change effective uid/gid - not real uid/gid - so we can switch |
583 |
* back to root later, as required |
584 |
*/ |
585 |
seteuid (getuid ()); |
586 |
setegid (getgid ()); |
587 |
break; |
588 |
case SAVE: |
589 |
euid = geteuid (); |
590 |
egid = getegid (); |
591 |
break; |
592 |
case RESTORE: |
593 |
seteuid (euid); |
594 |
setegid (egid); |
595 |
break; |
596 |
} |
597 |
# else |
598 |
switch (mode) |
599 |
{ |
600 |
case IGNORE: |
601 |
setuid (getuid ()); |
602 |
setgid (getgid ()); |
603 |
/* FALLTHROUGH */ |
604 |
case SAVE: |
605 |
/* FALLTHROUGH */ |
606 |
case RESTORE: |
607 |
break; |
608 |
} |
609 |
# endif |
610 |
#endif |
611 |
} |
612 |
|
613 |
#ifdef UTMP_SUPPORT |
614 |
void |
615 |
rxvt_term::privileged_utmp (char action) |
616 |
{ |
617 |
D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)", |
618 |
action, next_utmp_action, getpid ())); |
619 |
if (next_utmp_action != action || (action != SAVE && action != RESTORE) |
620 |
|| (Options & Opt_utmpInhibit) |
621 |
|| ttydev == NULL || *ttydev == '\0') |
622 |
return; |
623 |
|
624 |
privileges (RESTORE); |
625 |
if (action == SAVE) |
626 |
{ |
627 |
next_utmp_action = RESTORE; |
628 |
makeutent (ttydev, rs[Rs_display_name]); |
629 |
} |
630 |
else |
631 |
{ /* action == RESTORE */ |
632 |
next_utmp_action = IGNORE; |
633 |
cleanutent (); |
634 |
} |
635 |
privileges (IGNORE); |
636 |
} |
637 |
#endif |
638 |
|
639 |
#ifndef NO_SETOWNER_TTYDEV |
640 |
void |
641 |
rxvt_term::privileged_ttydev (char action) |
642 |
{ |
643 |
D_MAIN ((stderr, |
644 |
"privileged_ttydev (%c); waiting for: %c (pid: %d)", |
645 |
action, next_tty_action, getpid ())); |
646 |
if (next_tty_action != action || (action != SAVE && action != RESTORE) |
647 |
|| ttydev == NULL || *ttydev == '\0') |
648 |
return; |
649 |
|
650 |
privileges (RESTORE); |
651 |
|
652 |
if (action == SAVE) |
653 |
{ |
654 |
next_tty_action = RESTORE; |
655 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
656 |
/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
657 |
if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */ |
658 |
next_tty_action = IGNORE; |
659 |
else |
660 |
# endif |
661 |
|
662 |
{ |
663 |
chown (ttydev, getuid (), ttygid); /* fail silently */ |
664 |
chmod (ttydev, ttymode); |
665 |
# ifdef HAVE_REVOKE |
666 |
revoke (ttydev); |
667 |
# endif |
668 |
|
669 |
} |
670 |
} |
671 |
else |
672 |
{ /* action == RESTORE */ |
673 |
next_tty_action = IGNORE; |
674 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
675 |
chmod (ttydev, ttyfd_stat.st_mode); |
676 |
chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid); |
677 |
# else |
678 |
chmod (ttydev, |
679 |
(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
680 |
chown (ttydev, 0, 0); |
681 |
# endif |
682 |
|
683 |
} |
684 |
|
685 |
privileges (IGNORE); |
686 |
|
687 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
688 |
D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", |
689 |
action == RESTORE ? "Restoring" : (action == |
690 |
SAVE ? "Saving" : |
691 |
"UNKNOWN ERROR for"), ttydev, |
692 |
ttyfd_stat.st_mode, ttyfd_stat.st_uid, |
693 |
ttyfd_stat.st_gid)); |
694 |
# endif |
695 |
} |
696 |
#endif |
697 |
|
698 |
/*----------------------------------------------------------------------*/ |
699 |
/* |
700 |
* window size/position calculcations for XSizeHint and other storage. |
701 |
* if width/height are non-zero then override calculated width/height |
702 |
*/ |
703 |
void |
704 |
rxvt_term::window_calc (unsigned int width, unsigned int height) |
705 |
{ |
706 |
short recalc_x, recalc_y; |
707 |
int x, y, sb_w, mb_h, flags; |
708 |
unsigned int w, h; |
709 |
unsigned int max_width, max_height; |
710 |
|
711 |
D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
712 |
TermWin.ncol, TermWin.nrow, szHint.width, |
713 |
szHint.height)); |
714 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
715 |
szHint.win_gravity = NorthWestGravity; |
716 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
717 |
|
718 |
recalc_x = recalc_y = 0; |
719 |
flags = 0; |
720 |
if (!parsed_geometry) |
721 |
{ |
722 |
parsed_geometry = 1; |
723 |
if (rs[Rs_geometry]) |
724 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
725 |
if (flags & WidthValue) |
726 |
{ |
727 |
TermWin.ncol = BOUND_POSITIVE_INT16 (w); |
728 |
szHint.flags |= USSize; |
729 |
} |
730 |
if (flags & HeightValue) |
731 |
{ |
732 |
TermWin.nrow = BOUND_POSITIVE_INT16 (h); |
733 |
szHint.flags |= USSize; |
734 |
} |
735 |
if (flags & XValue) |
736 |
{ |
737 |
szHint.x = x; |
738 |
szHint.flags |= USPosition; |
739 |
if (flags & XNegative) |
740 |
{ |
741 |
recalc_x = 1; |
742 |
szHint.win_gravity = NorthEastGravity; |
743 |
} |
744 |
} |
745 |
if (flags & YValue) |
746 |
{ |
747 |
szHint.y = y; |
748 |
szHint.flags |= USPosition; |
749 |
if (flags & YNegative) |
750 |
{ |
751 |
recalc_y = 1; |
752 |
if (szHint.win_gravity == NorthEastGravity) |
753 |
szHint.win_gravity = SouthEastGravity; |
754 |
else |
755 |
szHint.win_gravity = SouthWestGravity; |
756 |
} |
757 |
} |
758 |
} |
759 |
|
760 |
/* TODO: BOUNDS */ |
761 |
TermWin.width = TermWin.ncol * TermWin.fwidth; |
762 |
TermWin.height = TermWin.nrow * TermWin.fheight; |
763 |
max_width = MAX_COLS * TermWin.fwidth; |
764 |
max_height = MAX_ROWS * TermWin.fheight; |
765 |
|
766 |
szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; |
767 |
|
768 |
sb_w = mb_h = 0; |
769 |
window_vt_x = window_vt_y = TermWin.int_bwidth; |
770 |
|
771 |
if (scrollbar_visible ()) |
772 |
{ |
773 |
sb_w = scrollbar_TotalWidth (); |
774 |
szHint.base_width += sb_w; |
775 |
if (!(Options & Opt_scrollBar_right)) |
776 |
window_vt_x += sb_w; |
777 |
} |
778 |
|
779 |
if (menubar_visible ()) |
780 |
{ |
781 |
mb_h = menuBar_TotalHeight (); |
782 |
szHint.base_height += mb_h; |
783 |
window_vt_y += mb_h; |
784 |
} |
785 |
|
786 |
szHint.width_inc = TermWin.fwidth; |
787 |
szHint.height_inc = TermWin.fheight; |
788 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
789 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
790 |
|
791 |
if (width && width - szHint.base_width < max_width) |
792 |
{ |
793 |
szHint.width = width; |
794 |
TermWin.width = width - szHint.base_width; |
795 |
} |
796 |
else |
797 |
{ |
798 |
MIN_IT (TermWin.width, max_width); |
799 |
szHint.width = szHint.base_width + TermWin.width; |
800 |
} |
801 |
|
802 |
if (height && height - szHint.base_height < max_height) |
803 |
{ |
804 |
szHint.height = height; |
805 |
TermWin.height = height - szHint.base_height; |
806 |
} |
807 |
else |
808 |
{ |
809 |
MIN_IT (TermWin.height, max_height); |
810 |
szHint.height = szHint.base_height + TermWin.height; |
811 |
} |
812 |
|
813 |
if (scrollbar_visible () && (Options & Opt_scrollBar_right)) |
814 |
window_sb_x = szHint.width - sb_w; |
815 |
|
816 |
if (recalc_x) |
817 |
szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display)) |
818 |
- szHint.width - 2 * TermWin.ext_bwidth); |
819 |
if (recalc_y) |
820 |
szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display)) |
821 |
- szHint.height - 2 * TermWin.ext_bwidth); |
822 |
|
823 |
TermWin.ncol = TermWin.width / TermWin.fwidth; |
824 |
TermWin.nrow = TermWin.height / TermWin.fheight; |
825 |
D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
826 |
TermWin.ncol, TermWin.nrow, szHint.width, |
827 |
szHint.height)); |
828 |
return; |
829 |
} |
830 |
|
831 |
/*----------------------------------------------------------------------*/ |
832 |
/* |
833 |
* Tell the teletype handler what size the window is. |
834 |
* Called after a window size change. |
835 |
*/ |
836 |
void |
837 |
rxvt_term::tt_winch () |
838 |
{ |
839 |
struct winsize ws; |
840 |
|
841 |
if (cmd_fd < 0) |
842 |
return; |
843 |
|
844 |
ws.ws_col = TermWin.ncol; |
845 |
ws.ws_row = TermWin.nrow; |
846 |
ws.ws_xpixel = ws.ws_ypixel = 0; |
847 |
#ifndef DEBUG_SIZE |
848 |
(void)ioctl (cmd_fd, TIOCSWINSZ, &ws); |
849 |
#else |
850 |
if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) |
851 |
D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); |
852 |
# ifdef SIGWINCH |
853 |
else if (cmd_pid) /* force through to the command */ |
854 |
kill (cmd_pid, SIGWINCH); |
855 |
# endif |
856 |
#endif |
857 |
} |
858 |
|
859 |
/*----------------------------------------------------------------------*/ |
860 |
/* rxvt_change_font () - Switch to a new font */ |
861 |
/* |
862 |
* init = 1 - initialize |
863 |
* |
864 |
* fontname == FONT_UP - switch to bigger font |
865 |
* fontname == FONT_DN - switch to smaller font |
866 |
*/ |
867 |
bool |
868 |
rxvt_term::change_font (const char *fontname) |
869 |
{ |
870 |
if (fontname == FONT_UP) |
871 |
{ |
872 |
// TODO |
873 |
} |
874 |
else if (fontname == FONT_DN) |
875 |
{ |
876 |
// TODO |
877 |
} |
878 |
else |
879 |
{ |
880 |
rxvt_fontset *fs = new rxvt_fontset (this); |
881 |
|
882 |
if (fs && fs->populate (fontname ? fontname : "fixed")) |
883 |
{ |
884 |
delete TermWin.fontset; |
885 |
TermWin.fontset = fs; |
886 |
TermWin.fwidth = fs->base_font ()->width; |
887 |
TermWin.fheight = fs->base_font ()->height; |
888 |
TermWin.fbase = fs->base_font ()->ascent; |
889 |
|
890 |
if (TermWin.parent[0]) |
891 |
{ |
892 |
resize_all_windows (0, 0, 0); |
893 |
scr_remap_chars (); |
894 |
scr_touch (true); |
895 |
} |
896 |
|
897 |
for (unicode_t ch = 0x20; ch <= 0x7f; ch++) |
898 |
TermWin.ascii_map [ch - 0x20] = fs->find_font (ch); |
899 |
|
900 |
return true; |
901 |
} |
902 |
} |
903 |
|
904 |
return false; |
905 |
} |
906 |
|
907 |
bool |
908 |
rxvt_term::font_up_down (int n, int direction) |
909 |
{ |
910 |
return false; |
911 |
} |
912 |
|
913 |
/*----------------------------------------------------------------------*/ |
914 |
/*----------------------------------------------------------------------*/ |
915 |
/* xterm sequences - title, iconName, color (exptl) */ |
916 |
void |
917 |
rxvt_term::set_title (const char *str) |
918 |
{ |
919 |
#ifdef SMART_WINDOW_TITLE |
920 |
char *name; |
921 |
|
922 |
if (!XFetchName (display->display, TermWin.parent[0], &name)) |
923 |
name = NULL; |
924 |
|
925 |
if (name == NULL || STRCMP (name, str)) |
926 |
#endif |
927 |
XStoreName (display->display, TermWin.parent[0], str); |
928 |
|
929 |
#ifdef SMART_WINDOW_TITLE |
930 |
if (name) |
931 |
XFree (name); |
932 |
#endif |
933 |
} |
934 |
|
935 |
void |
936 |
rxvt_term::set_icon_name (const char *str) |
937 |
{ |
938 |
#ifdef SMART_WINDOW_TITLE |
939 |
char *name; |
940 |
|
941 |
if (!XGetIconName (display->display, TermWin.parent[0], &name)) |
942 |
name = NULL; |
943 |
|
944 |
if (name == NULL || STRCMP (name, str)) |
945 |
#endif |
946 |
XSetIconName (display->display, TermWin.parent[0], str); |
947 |
|
948 |
#ifdef SMART_WINDOW_TITLE |
949 |
if (name) |
950 |
XFree (name); |
951 |
#endif |
952 |
} |
953 |
|
954 |
#ifdef XTERM_COLOR_CHANGE |
955 |
void |
956 |
rxvt_term::set_window_color (int idx, const char *color) |
957 |
{ |
958 |
rxvt_color xcol; |
959 |
int i; |
960 |
|
961 |
if (color == NULL || *color == '\0') |
962 |
return; |
963 |
|
964 |
/* handle color aliases */ |
965 |
if (isdigit (*color)) |
966 |
{ |
967 |
i = atoi (color); |
968 |
if (i >= 8 && i <= 15) |
969 |
{ /* bright colors */ |
970 |
i -= 8; |
971 |
# ifndef NO_BRIGHTCOLOR |
972 |
PixColorsFocused[idx] = PixColorsFocused[minBrightCOLOR + i]; |
973 |
SET_PIXCOLOR (idx); |
974 |
goto Done; |
975 |
# endif |
976 |
|
977 |
} |
978 |
if (i >= 0 && i <= 7) |
979 |
{ /* normal colors */ |
980 |
PixColorsFocused[idx] = PixColorsFocused[minCOLOR + i]; |
981 |
SET_PIXCOLOR (idx); |
982 |
goto Done; |
983 |
} |
984 |
} |
985 |
|
986 |
if (!rXParseAllocColor (& xcol, color)) |
987 |
return; |
988 |
|
989 |
/* XStoreColor (display->display, display->cmap, XColor*); */ |
990 |
|
991 |
/* |
992 |
* FIXME: should free colors here, but no idea how to do it so instead, |
993 |
* so just keep gobbling up the colormap |
994 |
*/ |
995 |
# if 0 |
996 |
for (i = Color_Black; i <= Color_White; i++) |
997 |
if (PixColors[idx] == PixColors[i]) |
998 |
break; |
999 |
if (i > Color_White) |
1000 |
{ |
1001 |
/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */ |
1002 |
XFreeColors (display->display, display->cmap, (PixColors + idx), 1, |
1003 |
DisplayPlanes (display->display, display->screen)); |
1004 |
} |
1005 |
# endif |
1006 |
|
1007 |
PixColorsFocused[idx] = xcol; |
1008 |
SET_PIXCOLOR (idx); |
1009 |
|
1010 |
/* XSetWindowAttributes attr; */ |
1011 |
/* Cursor cursor; */ |
1012 |
Done: |
1013 |
#ifdef OFF_FOCUS_FADING |
1014 |
PixColorsUnFocused[idx] = PixColorsFocused[idx].fade (display, atoi (rs[Rs_fade])); |
1015 |
#endif |
1016 |
if (idx == Color_bg && ! (Options & Opt_transparent)) |
1017 |
XSetWindowBackground (display->display, TermWin.vt, PixColors[Color_bg]); |
1018 |
|
1019 |
/* handle Color_BD, scrollbar background, etc. */ |
1020 |
|
1021 |
set_colorfgbg (); |
1022 |
recolour_cursor (); |
1023 |
scr_touch (true); |
1024 |
} |
1025 |
|
1026 |
#else |
1027 |
# define set_window_color (idx,color) ((void)0) |
1028 |
#endif /* XTERM_COLOR_CHANGE */ |
1029 |
|
1030 |
void |
1031 |
rxvt_term::recolour_cursor () |
1032 |
{ |
1033 |
XColor xcol[2]; |
1034 |
|
1035 |
xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) ? PixColorsFocused[Color_pointer_fg] : PixColorsFocused[Color_fg]; |
1036 |
xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) ? PixColorsFocused[Color_pointer_bg] : PixColorsFocused[Color_bg]; |
1037 |
XQueryColors (display->display, display->cmap, xcol, 2); |
1038 |
XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1); |
1039 |
} |
1040 |
|
1041 |
/*----------------------------------------------------------------------*/ |
1042 |
/* |
1043 |
* find if fg/bg matches any of the normal (low-intensity) colors |
1044 |
*/ |
1045 |
void |
1046 |
rxvt_term::set_colorfgbg () |
1047 |
{ |
1048 |
unsigned int i; |
1049 |
const char *xpmb = "\0"; |
1050 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
1051 |
|
1052 |
env_colorfgbg = |
1053 |
(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1); |
1054 |
STRCPY (fstr, "default"); |
1055 |
STRCPY (bstr, "default"); |
1056 |
for (i = Color_Black; i <= Color_White; i++) |
1057 |
if (PixColors[Color_fg] == PixColors[i]) |
1058 |
{ |
1059 |
sprintf (fstr, "%d", (i - Color_Black)); |
1060 |
break; |
1061 |
} |
1062 |
for (i = Color_Black; i <= Color_White; i++) |
1063 |
if (PixColors[Color_bg] == PixColors[i]) |
1064 |
{ |
1065 |
sprintf (bstr, "%d", (i - Color_Black)); |
1066 |
#ifdef XPM_BACKGROUND |
1067 |
xpmb = "default;"; |
1068 |
#endif |
1069 |
break; |
1070 |
} |
1071 |
|
1072 |
sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
1073 |
|
1074 |
#ifndef NO_BRIGHTCOLOR |
1075 |
colorfgbg = DEFAULT_RSTYLE; |
1076 |
for (i = minCOLOR; i <= maxCOLOR; i++) |
1077 |
{ |
1078 |
if (PixColors[Color_fg] == PixColors[i]) |
1079 |
colorfgbg = SET_FGCOLOR (colorfgbg, i); |
1080 |
if (PixColors[Color_bg] == PixColors[i]) |
1081 |
colorfgbg = SET_BGCOLOR (colorfgbg, i); |
1082 |
} |
1083 |
#endif |
1084 |
} |
1085 |
|
1086 |
/*----------------------------------------------------------------------*/ |
1087 |
/* |
1088 |
* Colour determination for low colour displays, routine from |
1089 |
* Hans de Goede <hans@highrise.nl> |
1090 |
*/ |
1091 |
|
1092 |
int |
1093 |
rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) |
1094 |
{ |
1095 |
if (!screen_in_out->set (display, colour)) |
1096 |
{ |
1097 |
rxvt_warn ("can't get colour '%s', continuing without.\n", colour); |
1098 |
return false; |
1099 |
} |
1100 |
|
1101 |
return true; |
1102 |
} |
1103 |
|
1104 |
/* -------------------------------------------------------------------- * |
1105 |
* - WINDOW RESIZING - * |
1106 |
* -------------------------------------------------------------------- */ |
1107 |
void |
1108 |
rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) |
1109 |
{ |
1110 |
int fix_screen; |
1111 |
|
1112 |
#ifdef SMART_RESIZE |
1113 |
int old_width = szHint.width, old_height = szHint.height; |
1114 |
#endif |
1115 |
|
1116 |
window_calc (width, height); |
1117 |
XSetWMNormalHints (display->display, TermWin.parent[0], &szHint); |
1118 |
|
1119 |
if (!ignoreparent) |
1120 |
{ |
1121 |
#ifdef SMART_RESIZE |
1122 |
/* |
1123 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
1124 |
* reposition window on resize depending on placement on screen |
1125 |
*/ |
1126 |
int x, y, x1, y1; |
1127 |
int dx, dy; |
1128 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
1129 |
Window unused_cr; |
1130 |
|
1131 |
XTranslateCoordinates (display->display, TermWin.parent[0], display->root, |
1132 |
0, 0, &x, &y, &unused_cr); |
1133 |
XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1, |
1134 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
1135 |
/* |
1136 |
* if display->root isn't the parent window, a WM will probably have offset |
1137 |
* our position for handles and decorations. Counter it |
1138 |
*/ |
1139 |
if (x1 != x || y1 != y) |
1140 |
{ |
1141 |
x -= x1; |
1142 |
y -= y1; |
1143 |
} |
1144 |
|
1145 |
x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2; |
1146 |
y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2; |
1147 |
dx = old_width - szHint.width; |
1148 |
dy = old_height - szHint.height; |
1149 |
|
1150 |
/* Check position of the center of the window */ |
1151 |
if (x < x1) /* left half */ |
1152 |
dx = 0; |
1153 |
else if (x == x1) /* exact center */ |
1154 |
dx /= 2; |
1155 |
if (y < y1) /* top half */ |
1156 |
dy = 0; |
1157 |
else if (y == y1) /* exact center */ |
1158 |
dy /= 2; |
1159 |
|
1160 |
XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy, |
1161 |
szHint.width, szHint.height); |
1162 |
#else |
1163 |
XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height); |
1164 |
#endif |
1165 |
} |
1166 |
|
1167 |
fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow; |
1168 |
|
1169 |
if (fix_screen || width != old_width || height != old_height) |
1170 |
{ |
1171 |
if (scrollbar_visible ()) |
1172 |
{ |
1173 |
XMoveResizeWindow (display->display, scrollBar.win, |
1174 |
window_sb_x, 0, |
1175 |
scrollbar_TotalWidth (), szHint.height); |
1176 |
resize_scrollbar (); |
1177 |
} |
1178 |
|
1179 |
if (menubar_visible ()) |
1180 |
XMoveResizeWindow (display->display, menuBar.win, |
1181 |
window_vt_x, 0, |
1182 |
TermWin_TotalWidth (), menuBar_TotalHeight ()); |
1183 |
|
1184 |
XMoveResizeWindow (display->display, TermWin.vt, |
1185 |
window_vt_x, window_vt_y, |
1186 |
TermWin_TotalWidth (), TermWin_TotalHeight ()); |
1187 |
scr_clear (); |
1188 |
#ifdef XPM_BACKGROUND |
1189 |
resize_pixmap (); |
1190 |
#endif |
1191 |
} |
1192 |
|
1193 |
if (fix_screen || old_height == 0) |
1194 |
{ |
1195 |
int curr_screen = -1; |
1196 |
int old_ncol = prev_ncol; |
1197 |
|
1198 |
/* scr_reset only works on the primary screen */ |
1199 |
if (old_height) /* this is not the first time through */ |
1200 |
{ |
1201 |
unsigned int ncol = TermWin.ncol; |
1202 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
1203 |
curr_screen = scr_change_screen (PRIMARY); |
1204 |
TermWin.ncol = ncol; |
1205 |
} |
1206 |
|
1207 |
scr_reset (); |
1208 |
|
1209 |
if (curr_screen >= 0) /* this is not the first time through */ |
1210 |
{ |
1211 |
scr_change_screen (curr_screen); |
1212 |
selection_check (old_ncol != TermWin.ncol ? 4 : 0); |
1213 |
} |
1214 |
} |
1215 |
|
1216 |
old_width = szHint.width; |
1217 |
old_height = szHint.height; |
1218 |
|
1219 |
#ifdef USE_XIM |
1220 |
IMSetStatusPosition (); |
1221 |
#endif |
1222 |
} |
1223 |
|
1224 |
/* |
1225 |
* Set the width/height of the vt window in characters. Units are pixels. |
1226 |
* good for toggling 80/132 columns |
1227 |
*/ |
1228 |
void |
1229 |
rxvt_term::set_widthheight (unsigned int width, unsigned int height) |
1230 |
{ |
1231 |
XWindowAttributes wattr; |
1232 |
|
1233 |
if (width == 0 || height == 0) |
1234 |
{ |
1235 |
XGetWindowAttributes (display->display, display->root, &wattr); |
1236 |
if (width == 0) |
1237 |
width = wattr.width - szHint.base_width; |
1238 |
if (height == 0) |
1239 |
height = wattr.height - szHint.base_height; |
1240 |
} |
1241 |
if (width != TermWin.width || height != TermWin.height) |
1242 |
{ |
1243 |
width += szHint.base_width; |
1244 |
height += szHint.base_height; |
1245 |
resize_all_windows (width, height, 0); |
1246 |
} |
1247 |
} |
1248 |
|
1249 |
/* -------------------------------------------------------------------- * |
1250 |
* - X INPUT METHOD ROUTINES - * |
1251 |
* -------------------------------------------------------------------- */ |
1252 |
#ifdef USE_XIM |
1253 |
|
1254 |
void |
1255 |
rxvt_term::im_set_size (XRectangle *size) |
1256 |
{ |
1257 |
size->x = TermWin.int_bwidth; |
1258 |
size->y = TermWin.int_bwidth; |
1259 |
size->width = Width2Pixel (TermWin.ncol); |
1260 |
size->height = Height2Pixel (TermWin.nrow); |
1261 |
} |
1262 |
|
1263 |
void |
1264 |
rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg) |
1265 |
{ |
1266 |
*fg = PixColors[Color_fg]; |
1267 |
*bg = PixColors[Color_bg]; |
1268 |
} |
1269 |
|
1270 |
/* Checking whether input method is running. */ |
1271 |
bool |
1272 |
rxvt_term::IMisRunning () |
1273 |
{ |
1274 |
char *p; |
1275 |
Atom atom; |
1276 |
Window win; |
1277 |
char server[IMBUFSIZ]; |
1278 |
|
1279 |
/* get current locale modifier */ |
1280 |
if ((p = XSetLocaleModifiers (NULL)) != NULL) |
1281 |
{ |
1282 |
STRCPY (server, "@server="); |
1283 |
STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1284 |
if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */ |
1285 |
*p = '\0'; |
1286 |
|
1287 |
atom = XInternAtom (display->display, server, False); |
1288 |
win = XGetSelectionOwner (display->display, atom); |
1289 |
if (win != None) |
1290 |
return True; |
1291 |
} |
1292 |
return False; |
1293 |
} |
1294 |
|
1295 |
void |
1296 |
rxvt_term::IMSendSpot () |
1297 |
{ |
1298 |
XPoint spot; |
1299 |
XVaNestedList preedit_attr; |
1300 |
|
1301 |
if (Input_Context == NULL |
1302 |
|| !TermWin.focus || ! (input_style & XIMPreeditPosition) |
1303 |
|| ! (event_type == KeyPress |
1304 |
|| event_type == Expose |
1305 |
|| event_type == NoExpose |
1306 |
|| event_type == SelectionNotify |
1307 |
|| event_type == ButtonRelease || event_type == FocusIn) |
1308 |
|| !IMisRunning ()) |
1309 |
return; |
1310 |
|
1311 |
im_set_position (&spot); |
1312 |
|
1313 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1314 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1315 |
XFree (preedit_attr); |
1316 |
} |
1317 |
|
1318 |
void |
1319 |
rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect, |
1320 |
XRectangle * needed_rect) |
1321 |
{ |
1322 |
int mbh, vtx = 0; |
1323 |
|
1324 |
if (scrollbar_visible () && ! (Options & Opt_scrollBar_right)) |
1325 |
vtx = scrollbar_TotalWidth (); |
1326 |
|
1327 |
mbh = menubar_visible () ? menuBar_TotalHeight () : 0; |
1328 |
mbh -= TermWin.lineSpace; |
1329 |
|
1330 |
preedit_rect->x = needed_rect->width + vtx; |
1331 |
preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh; |
1332 |
|
1333 |
preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx; |
1334 |
preedit_rect->height = Height2Pixel (1); |
1335 |
|
1336 |
status_rect->x = vtx; |
1337 |
status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh; |
1338 |
|
1339 |
status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1); |
1340 |
status_rect->height = Height2Pixel (1); |
1341 |
} |
1342 |
|
1343 |
void |
1344 |
rxvt_term::im_destroy () |
1345 |
{ |
1346 |
if (Input_Context) |
1347 |
{ |
1348 |
XDestroyIC (Input_Context); |
1349 |
Input_Context = NULL; |
1350 |
} |
1351 |
|
1352 |
if (input_method) |
1353 |
{ |
1354 |
display->put_xim (input_method); |
1355 |
input_method = 0; |
1356 |
} |
1357 |
} |
1358 |
|
1359 |
/* |
1360 |
* Try to open a XIM with the current modifiers, then see if we can |
1361 |
* open a suitable preedit type |
1362 |
*/ |
1363 |
bool |
1364 |
rxvt_term::IM_get_IC (const char *modifiers) |
1365 |
{ |
1366 |
int i, j, found; |
1367 |
XIM xim; |
1368 |
XPoint spot; |
1369 |
XRectangle rect, status_rect, needed_rect; |
1370 |
unsigned long fg, bg; |
1371 |
const char *p; |
1372 |
char **s; |
1373 |
XIMStyles *xim_styles; |
1374 |
XVaNestedList preedit_attr, status_attr; |
1375 |
|
1376 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1377 |
return false; |
1378 |
|
1379 |
D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1380 |
input_method = display->get_xim (locale, modifiers); |
1381 |
if (input_method == NULL) |
1382 |
return false; |
1383 |
|
1384 |
xim = input_method->xim; |
1385 |
|
1386 |
xim_styles = NULL; |
1387 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1388 |
|| !xim_styles || !xim_styles->count_styles) |
1389 |
{ |
1390 |
display->put_xim (input_method); |
1391 |
return false; |
1392 |
} |
1393 |
|
1394 |
p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root"; |
1395 |
s = rxvt_splitcommastring (p); |
1396 |
for (i = found = 0; !found && s[i]; i++) |
1397 |
{ |
1398 |
if (!STRCMP (s[i], "OverTheSpot")) |
1399 |
input_style = (XIMPreeditPosition | XIMStatusNothing); |
1400 |
else if (!STRCMP (s[i], "OffTheSpot")) |
1401 |
input_style = (XIMPreeditArea | XIMStatusArea); |
1402 |
else if (!STRCMP (s[i], "Root")) |
1403 |
input_style = (XIMPreeditNothing | XIMStatusNothing); |
1404 |
|
1405 |
for (j = 0; j < xim_styles->count_styles; j++) |
1406 |
if (input_style == xim_styles->supported_styles[j]) |
1407 |
{ |
1408 |
found = 1; |
1409 |
break; |
1410 |
} |
1411 |
} |
1412 |
|
1413 |
for (i = 0; s[i]; i++) |
1414 |
free (s[i]); |
1415 |
|
1416 |
free (s); |
1417 |
XFree (xim_styles); |
1418 |
|
1419 |
if (!found) |
1420 |
{ |
1421 |
display->put_xim (input_method); |
1422 |
return false; |
1423 |
} |
1424 |
|
1425 |
preedit_attr = status_attr = NULL; |
1426 |
|
1427 |
if (input_style & XIMPreeditPosition) |
1428 |
{ |
1429 |
im_set_size (&rect); |
1430 |
im_set_position (&spot); |
1431 |
im_set_color (&fg, &bg); |
1432 |
|
1433 |
preedit_attr = XVaCreateNestedList (0, XNArea, &rect, |
1434 |
XNSpotLocation, &spot, |
1435 |
XNForeground, fg, XNBackground, bg, |
1436 |
//XNFontSet, TermWin.fontset, |
1437 |
NULL); |
1438 |
} |
1439 |
else if (input_style & XIMPreeditArea) |
1440 |
{ |
1441 |
im_set_color (&fg, &bg); |
1442 |
|
1443 |
/* |
1444 |
* The necessary width of preedit area is unknown |
1445 |
* until create input context. |
1446 |
*/ |
1447 |
needed_rect.width = 0; |
1448 |
|
1449 |
im_set_preedit_area (&rect, &status_rect, &needed_rect); |
1450 |
|
1451 |
preedit_attr = XVaCreateNestedList (0, XNArea, &rect, |
1452 |
XNForeground, fg, XNBackground, bg, |
1453 |
//XNFontSet, TermWin.fontset, |
1454 |
NULL); |
1455 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, |
1456 |
XNForeground, fg, XNBackground, bg, |
1457 |
//XNFontSet, TermWin.fontset, |
1458 |
NULL); |
1459 |
} |
1460 |
|
1461 |
Input_Context = XCreateIC (xim, XNInputStyle, input_style, |
1462 |
XNClientWindow, TermWin.parent[0], |
1463 |
XNFocusWindow, TermWin.parent[0], |
1464 |
preedit_attr ? XNPreeditAttributes : NULL, |
1465 |
preedit_attr, |
1466 |
status_attr ? XNStatusAttributes : NULL, |
1467 |
status_attr, NULL); |
1468 |
if (preedit_attr) XFree (preedit_attr); |
1469 |
if (status_attr) XFree (status_attr); |
1470 |
|
1471 |
if (Input_Context == NULL) |
1472 |
{ |
1473 |
rxvt_warn ("failed to create input context, continuing without XIM.\n"); |
1474 |
display->put_xim (input_method); |
1475 |
return false; |
1476 |
} |
1477 |
|
1478 |
if (input_style & XIMPreeditArea) |
1479 |
IMSetStatusPosition (); |
1480 |
|
1481 |
D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection")); |
1482 |
return true; |
1483 |
} |
1484 |
|
1485 |
void |
1486 |
rxvt_term::im_cb () |
1487 |
{ |
1488 |
int i, found, had_im; |
1489 |
const char *p; |
1490 |
char **s; |
1491 |
char buf[IMBUFSIZ]; |
1492 |
|
1493 |
im_destroy (); |
1494 |
|
1495 |
D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1496 |
if (Input_Context) |
1497 |
return; |
1498 |
|
1499 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1500 |
if (rs[Rs_imLocale]) |
1501 |
SET_LOCALE (rs[Rs_imLocale]); |
1502 |
#endif |
1503 |
|
1504 |
p = rs[Rs_inputMethod]; |
1505 |
if (p && *p) |
1506 |
{ |
1507 |
bool found = false; |
1508 |
|
1509 |
s = rxvt_splitcommastring (p); |
1510 |
for (i = 0; s[i]; i++) |
1511 |
{ |
1512 |
if (*s[i]) |
1513 |
{ |
1514 |
STRCPY (buf, "@im="); |
1515 |
STRNCAT (buf, s[i], IMBUFSIZ - 5); |
1516 |
if (IM_get_IC (buf)) |
1517 |
{ |
1518 |
found = true; |
1519 |
break; |
1520 |
} |
1521 |
} |
1522 |
} |
1523 |
for (i = 0; s[i]; i++) |
1524 |
free (s[i]); |
1525 |
free (s); |
1526 |
|
1527 |
if (found) |
1528 |
goto done; |
1529 |
} |
1530 |
|
1531 |
/* try with XMODIFIERS env. var. */ |
1532 |
if (IM_get_IC ("")) |
1533 |
goto done; |
1534 |
|
1535 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1536 |
if (IM_get_IC ("@im=none")) |
1537 |
goto done; |
1538 |
|
1539 |
done: |
1540 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1541 |
if (rs[Rs_imLocale]) |
1542 |
SET_LOCALE (locale); |
1543 |
#endif |
1544 |
} |
1545 |
|
1546 |
void |
1547 |
rxvt_term::IMSetStatusPosition () |
1548 |
{ |
1549 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1550 |
XVaNestedList preedit_attr, status_attr; |
1551 |
|
1552 |
if (Input_Context == NULL |
1553 |
|| !TermWin.focus || ! (input_style & XIMPreeditArea) |
1554 |
|| !IMisRunning ()) |
1555 |
return; |
1556 |
|
1557 |
/* Getting the necessary width of preedit area */ |
1558 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1559 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1560 |
XFree (status_attr); |
1561 |
|
1562 |
im_set_preedit_area (&preedit_rect, &status_rect, needed_rect); |
1563 |
|
1564 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1565 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1566 |
|
1567 |
XSetICValues (Input_Context, |
1568 |
XNPreeditAttributes, preedit_attr, |
1569 |
XNStatusAttributes, status_attr, NULL); |
1570 |
|
1571 |
XFree (preedit_attr); |
1572 |
XFree (status_attr); |
1573 |
} |
1574 |
#endif /* USE_XIM */ |
1575 |
|
1576 |
/*----------------------------------------------------------------------*/ |
1577 |
rxvt_t rxvt_current_term; |
1578 |
|
1579 |
/*----------------------- end-of-file (C source) -----------------------*/ |