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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) 2003-2006 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 "keyboard.h" |
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#include "rxvtperl.h" |
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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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vector<rxvt_term *> rxvt_term::termlist; |
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|
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// used to tell global functions which terminal instance is "active" |
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rxvt_t rxvt_current_term; |
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|
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static char curlocale[128], savelocale[128]; |
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|
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bool |
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rxvt_set_locale (const char *locale) NOTHROW |
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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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void |
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rxvt_push_locale (const char *locale) NOTHROW |
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{ |
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strcpy (savelocale, curlocale); |
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rxvt_set_locale (locale); |
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} |
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|
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void |
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rxvt_pop_locale () NOTHROW |
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{ |
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rxvt_set_locale (savelocale); |
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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 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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#ifndef NO_BELL |
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bell_ev (this, &rxvt_term::bell_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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child_ev (this, &rxvt_term::child_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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#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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delete pty; pty = 0; |
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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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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 XTERM_SCROLLBAR |
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if (xscrollbarGC) XFreeGC (xdisp, xscrollbarGC); |
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if (ShadowGC) XFreeGC (xdisp, ShadowGC); |
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#endif |
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#ifdef PLAIN_SCROLLBAR |
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if (pscrollbarGC) XFreeGC (xdisp, pscrollbarGC); |
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#endif |
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#ifdef NEXT_SCROLLBAR |
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if (blackGC) XFreeGC (xdisp, blackGC); |
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if (whiteGC) XFreeGC (xdisp, whiteGC); |
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if (grayGC) XFreeGC (xdisp, grayGC); |
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if (darkGC) XFreeGC (xdisp, darkGC); |
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if (stippleGC) XFreeGC (xdisp, stippleGC); |
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if (dimple) XFreePixmap (xdisp, dimple); |
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if (upArrow) XFreePixmap (xdisp, upArrow); |
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if (downArrow) XFreePixmap (xdisp, downArrow); |
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if (upArrowHi) XFreePixmap (xdisp, upArrowHi); |
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if (downArrowHi) XFreePixmap (xdisp, downArrowHi); |
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#endif |
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#ifdef RXVT_SCROLLBAR |
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if (topShadowGC) XFreeGC (xdisp, topShadowGC); |
247 |
if (botShadowGC) XFreeGC (xdisp, botShadowGC); |
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if (scrollbarGC) XFreeGC (xdisp, scrollbarGC); |
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#endif |
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if (gc) XFreeGC (xdisp, gc); |
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|
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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 (xdisp, parent[0]); |
256 |
|
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clear (); |
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} |
259 |
|
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// TODO: free pixcolours, colours should become part of rxvt_display |
261 |
delete pix_colors_focused; |
262 |
#if OFF_FOCUS_FADING |
263 |
delete pix_colors_unfocused; |
264 |
#endif |
265 |
|
266 |
displays.put (display); |
267 |
|
268 |
scr_release (); |
269 |
|
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/* clear all resources */ |
271 |
for (int i = 0; i < allocated.size (); i++) |
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free (allocated [i]); |
273 |
|
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free (selection.text); |
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// TODO: manage env vars in child only(!) |
276 |
free (env_display); |
277 |
free (env_term); |
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free (locale); |
279 |
free (v_buffer); |
280 |
free (incr_buf); |
281 |
|
282 |
delete envv; |
283 |
delete argv; |
284 |
|
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#ifdef KEYSYM_RESOURCE |
286 |
delete keyboard; |
287 |
#endif |
288 |
} |
289 |
|
290 |
// child has exited, usually destroys |
291 |
void |
292 |
rxvt_term::child_cb (child_watcher &w, int status) |
293 |
{ |
294 |
HOOK_INVOKE ((this, HOOK_CHILD_EXIT, DT_INT, status, DT_END)); |
295 |
|
296 |
cmd_pid = 0; |
297 |
|
298 |
if (!OPTION (Opt_hold)) |
299 |
destroy (); |
300 |
} |
301 |
|
302 |
void |
303 |
rxvt_term::destroy () |
304 |
{ |
305 |
if (destroy_ev.active) |
306 |
return; |
307 |
|
308 |
HOOK_INVOKE ((this, HOOK_DESTROY, DT_END)); |
309 |
|
310 |
#if ENABLE_OVERLAY |
311 |
scr_overlay_off (); |
312 |
#endif |
313 |
|
314 |
if (display) |
315 |
{ |
316 |
#if USE_XIM |
317 |
im_ev.stop (display); |
318 |
#endif |
319 |
#if HAVE_SCROLLBARS |
320 |
scrollbar_ev.stop (display); |
321 |
#endif |
322 |
#if TRANSPARENT |
323 |
rootwin_ev.stop (display); |
324 |
#endif |
325 |
incr_ev.stop (); |
326 |
termwin_ev.stop (display); |
327 |
vt_ev.stop (display); |
328 |
} |
329 |
|
330 |
check_ev.stop (); |
331 |
pty_ev.stop (); |
332 |
#ifdef CURSOR_BLINK |
333 |
cursor_blink_ev.stop (); |
334 |
#endif |
335 |
#ifdef TEXT_BLINK |
336 |
text_blink_ev.stop (); |
337 |
#endif |
338 |
#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
339 |
cont_scroll_ev.stop (); |
340 |
#endif |
341 |
#ifdef SELECTION_SCROLLING |
342 |
sel_scroll_ev.stop (); |
343 |
#endif |
344 |
#ifdef POINTER_BLANK |
345 |
pointer_ev.stop (); |
346 |
#endif |
347 |
|
348 |
destroy_ev.start (0); |
349 |
} |
350 |
|
351 |
void |
352 |
rxvt_term::destroy_cb (time_watcher &w) |
353 |
{ |
354 |
make_current (); |
355 |
|
356 |
delete this; |
357 |
} |
358 |
|
359 |
/*----------------------------------------------------------------------*/ |
360 |
/* |
361 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
362 |
* TODO: if debugging, this should free up any known resources if we can |
363 |
*/ |
364 |
static XErrorHandler old_xerror_handler; |
365 |
|
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static void |
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rxvt_emergency_cleanup () |
368 |
{ |
369 |
for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
370 |
(*t)->emergency_cleanup (); |
371 |
} |
372 |
|
373 |
#if !ENABLE_MINIMAL |
374 |
static void |
375 |
print_x_error (Display *dpy, XErrorEvent *event) |
376 |
{ |
377 |
char buffer[BUFSIZ]; |
378 |
char mesg[BUFSIZ]; |
379 |
char number[32]; |
380 |
char *mtype = "XlibMessage"; |
381 |
XGetErrorText(dpy, event->error_code, buffer, BUFSIZ); |
382 |
XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ); |
383 |
rxvt_warn ("An X Error occured, trying to continue after report.\n"); |
384 |
rxvt_warn ("%s: %s\n", mesg, buffer); |
385 |
XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d", mesg, BUFSIZ); |
386 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->request_code); |
387 |
sprintf(number, "%d", event->request_code); |
388 |
XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ); |
389 |
rxvt_warn ("(which is %s)\n", buffer); |
390 |
if (event->request_code >= 128) { |
391 |
XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d", |
392 |
mesg, BUFSIZ); |
393 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->minor_code); |
394 |
} |
395 |
if ((event->error_code == BadWindow) || |
396 |
(event->error_code == BadPixmap) || |
397 |
(event->error_code == BadCursor) || |
398 |
(event->error_code == BadFont) || |
399 |
(event->error_code == BadDrawable) || |
400 |
(event->error_code == BadColor) || |
401 |
(event->error_code == BadGC) || |
402 |
(event->error_code == BadIDChoice) || |
403 |
(event->error_code == BadValue) || |
404 |
(event->error_code == BadAtom)) { |
405 |
if (event->error_code == BadValue) |
406 |
XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x", |
407 |
mesg, BUFSIZ); |
408 |
else if (event->error_code == BadAtom) |
409 |
XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x", |
410 |
mesg, BUFSIZ); |
411 |
else |
412 |
XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x", |
413 |
mesg, BUFSIZ); |
414 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->resourceid); |
415 |
} |
416 |
XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d", |
417 |
mesg, BUFSIZ); |
418 |
rxvt_warn (strncat (mesg, "\n", BUFSIZ), event->serial); |
419 |
} |
420 |
#endif |
421 |
|
422 |
int |
423 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
424 |
{ |
425 |
if (GET_R->allowedxerror == -1) |
426 |
GET_R->allowedxerror = event->error_code; |
427 |
else |
428 |
{ |
429 |
// GET_R is most likely not the terminal which caused the error, |
430 |
// so just output the error and continue |
431 |
#if ENABLE_MINIMAL |
432 |
old_xerror_handler (display, event); |
433 |
#else |
434 |
print_x_error (display, event); |
435 |
#endif |
436 |
} |
437 |
|
438 |
return 0; |
439 |
} |
440 |
|
441 |
int |
442 |
rxvt_xioerror_handler (Display *display) |
443 |
{ |
444 |
rxvt_warn ("X connection to '%s' broken, unable to recover, exiting.\n", |
445 |
DisplayString (display)); |
446 |
rxvt_emergency_cleanup (); |
447 |
_exit (EXIT_FAILURE); |
448 |
} |
449 |
|
450 |
/*----------------------------------------------------------------------*/ |
451 |
bool |
452 |
rxvt_term::init (int argc, const char *const *argv, stringvec *envv) |
453 |
{ |
454 |
this->envv = envv; |
455 |
|
456 |
SET_R (this); |
457 |
set_locale (""); |
458 |
set_environ (envv); // few things in X do not call setlocale :( |
459 |
|
460 |
if (!init_vars ()) |
461 |
return false; |
462 |
|
463 |
init_secondary (); |
464 |
|
465 |
const char **cmd_argv = init_resources (argc, argv); |
466 |
|
467 |
#ifdef KEYSYM_RESOURCE |
468 |
keyboard->register_done (); |
469 |
#endif |
470 |
|
471 |
#ifdef HAVE_SCROLLBARS |
472 |
if (OPTION (Opt_scrollBar)) |
473 |
scrollBar.setIdle (); /* set existence for size calculations */ |
474 |
#endif |
475 |
|
476 |
pty = ptytty::create (); |
477 |
|
478 |
create_windows (argc, argv); |
479 |
|
480 |
init_xlocale (); |
481 |
|
482 |
scr_reset (); // initialize screen |
483 |
|
484 |
#if 0 |
485 |
XSynchronize (xdisp, True); |
486 |
#endif |
487 |
|
488 |
#ifdef HAVE_SCROLLBARS |
489 |
if (OPTION (Opt_scrollBar)) |
490 |
resize_scrollbar (); /* create and map scrollbar */ |
491 |
#endif |
492 |
#ifdef TRANSPARENT |
493 |
if (OPTION (Opt_transparent)) |
494 |
{ |
495 |
XSelectInput (xdisp, display->root, PropertyChangeMask); |
496 |
check_our_parents (); |
497 |
rootwin_ev.start (display, display->root); |
498 |
} |
499 |
#endif |
500 |
|
501 |
set_colorfgbg (); |
502 |
|
503 |
init_command (cmd_argv); |
504 |
|
505 |
free (cmd_argv); |
506 |
|
507 |
if (pty->pty >= 0) |
508 |
pty_ev.start (pty->pty, EVENT_READ); |
509 |
|
510 |
check_ev.start (); |
511 |
|
512 |
HOOK_INVOKE ((this, HOOK_START, DT_END)); |
513 |
|
514 |
#if ENABLE_XEMBED |
515 |
if (rs[Rs_embed]) |
516 |
{ |
517 |
long info[2] = { 0, XEMBED_MAPPED }; |
518 |
|
519 |
XChangeProperty (xdisp, parent[0], xa[XA_XEMBED_INFO], xa[XA_XEMBED_INFO], |
520 |
32, PropModeReplace, (unsigned char *)&info, 2); |
521 |
} |
522 |
#endif |
523 |
|
524 |
XMapWindow (xdisp, vt); |
525 |
XMapWindow (xdisp, parent[0]); |
526 |
|
527 |
return true; |
528 |
} |
529 |
|
530 |
static struct sig_handlers |
531 |
{ |
532 |
sig_watcher sw_term, sw_int; |
533 |
|
534 |
/* |
535 |
* Catch a fatal signal and tidy up before quitting |
536 |
*/ |
537 |
void |
538 |
sig_term (sig_watcher &w) |
539 |
{ |
540 |
rxvt_emergency_cleanup (); |
541 |
signal (w.signum, SIG_DFL); |
542 |
kill (getpid (), w.signum); |
543 |
} |
544 |
|
545 |
sig_handlers () |
546 |
: sw_term (this, &sig_handlers::sig_term), |
547 |
sw_int (this, &sig_handlers::sig_term) |
548 |
{ |
549 |
} |
550 |
} sig_handlers; |
551 |
|
552 |
char **rxvt_environ; // startup environment |
553 |
|
554 |
void |
555 |
rxvt_init () |
556 |
{ |
557 |
ptytty::init (); |
558 |
|
559 |
rxvt_environ = environ; |
560 |
|
561 |
signal (SIGHUP, SIG_IGN); |
562 |
signal (SIGPIPE, SIG_IGN); |
563 |
|
564 |
sig_handlers.sw_term.start (SIGTERM); |
565 |
sig_handlers.sw_int.start (SIGINT); |
566 |
|
567 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
568 |
/* signal (SIGURG, SIG_DFL); */ |
569 |
|
570 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
571 |
// TODO: handle this with exceptions and tolerate the memory loss |
572 |
XSetIOErrorHandler (rxvt_xioerror_handler); |
573 |
|
574 |
XrmInitialize (); |
575 |
} |
576 |
|
577 |
/* ------------------------------------------------------------------------- * |
578 |
* MEMORY ALLOCATION WRAPPERS * |
579 |
* ------------------------------------------------------------------------- */ |
580 |
void * |
581 |
rxvt_malloc (size_t size) |
582 |
{ |
583 |
void *p = malloc (size); |
584 |
|
585 |
if (!p) |
586 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
587 |
|
588 |
return p; |
589 |
} |
590 |
|
591 |
void * |
592 |
rxvt_calloc (size_t number, size_t size) |
593 |
{ |
594 |
void *p = calloc (number, size); |
595 |
|
596 |
if (!p) |
597 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
598 |
|
599 |
return p; |
600 |
} |
601 |
|
602 |
void * |
603 |
rxvt_realloc (void *ptr, size_t size) |
604 |
{ |
605 |
void *p = realloc (ptr, size); |
606 |
|
607 |
if (!p) |
608 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
609 |
|
610 |
return p; |
611 |
} |
612 |
|
613 |
/*----------------------------------------------------------------------*/ |
614 |
/* |
615 |
* window size/position calculcations for XSizeHint and other storage. |
616 |
* if width/height are non-zero then override calculated width/height |
617 |
*/ |
618 |
void |
619 |
rxvt_term::window_calc (unsigned int newwidth, unsigned int newheight) |
620 |
{ |
621 |
short recalc_x, recalc_y; |
622 |
int x, y, sb_w, flags; |
623 |
unsigned int w, h; |
624 |
unsigned int max_width, max_height; |
625 |
|
626 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
627 |
szHint.win_gravity = NorthWestGravity; |
628 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
629 |
|
630 |
recalc_x = recalc_y = 0; |
631 |
flags = 0; |
632 |
|
633 |
if (!parsed_geometry) |
634 |
{ |
635 |
parsed_geometry = 1; |
636 |
|
637 |
if (rs[Rs_geometry]) |
638 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
639 |
|
640 |
if (flags & WidthValue) |
641 |
{ |
642 |
ncol = clamp (w, 0, std::numeric_limits<int16_t>::max ()); |
643 |
szHint.flags |= USSize; |
644 |
} |
645 |
|
646 |
if (flags & HeightValue) |
647 |
{ |
648 |
nrow = clamp (h, 0, std::numeric_limits<int16_t>::max ()); |
649 |
szHint.flags |= USSize; |
650 |
} |
651 |
|
652 |
if (flags & XValue) |
653 |
{ |
654 |
szHint.x = x; |
655 |
szHint.flags |= USPosition; |
656 |
|
657 |
if (flags & XNegative) |
658 |
{ |
659 |
recalc_x = 1; |
660 |
szHint.win_gravity = NorthEastGravity; |
661 |
} |
662 |
} |
663 |
|
664 |
if (flags & YValue) |
665 |
{ |
666 |
szHint.y = y; |
667 |
szHint.flags |= USPosition; |
668 |
|
669 |
if (flags & YNegative) |
670 |
{ |
671 |
recalc_y = 1; |
672 |
|
673 |
if (szHint.win_gravity == NorthEastGravity) |
674 |
szHint.win_gravity = SouthEastGravity; |
675 |
else |
676 |
szHint.win_gravity = SouthWestGravity; |
677 |
} |
678 |
} |
679 |
} |
680 |
|
681 |
/* TODO: BOUNDS */ |
682 |
width = ncol * fwidth; |
683 |
height = nrow * fheight; |
684 |
max_width = MAX_COLS * fwidth; |
685 |
max_height = MAX_ROWS * fheight; |
686 |
|
687 |
szHint.base_width = szHint.base_height = 2 * int_bwidth; |
688 |
|
689 |
sb_w = 0; |
690 |
window_vt_x = window_vt_y = int_bwidth; |
691 |
|
692 |
if (scrollBar.state) |
693 |
{ |
694 |
sb_w = scrollbar_TotalWidth (); |
695 |
szHint.base_width += sb_w; |
696 |
|
697 |
if (!OPTION (Opt_scrollBar_right)) |
698 |
window_vt_x += sb_w; |
699 |
} |
700 |
|
701 |
szHint.width_inc = fwidth; |
702 |
szHint.height_inc = fheight; |
703 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
704 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
705 |
|
706 |
if (newwidth && newwidth - szHint.base_width < max_width) |
707 |
{ |
708 |
szHint.width = newwidth; |
709 |
width = newwidth - szHint.base_width; |
710 |
} |
711 |
else |
712 |
{ |
713 |
min_it (width, max_width); |
714 |
szHint.width = szHint.base_width + width; |
715 |
} |
716 |
|
717 |
if (newheight && newheight - szHint.base_height < max_height) |
718 |
{ |
719 |
szHint.height = newheight; |
720 |
height = newheight - szHint.base_height; |
721 |
} |
722 |
else |
723 |
{ |
724 |
min_it (height, max_height); |
725 |
szHint.height = szHint.base_height + height; |
726 |
} |
727 |
|
728 |
if (scrollBar.state && OPTION (Opt_scrollBar_right)) |
729 |
window_sb_x = szHint.width - sb_w; |
730 |
|
731 |
if (recalc_x) |
732 |
szHint.x += DisplayWidth (xdisp, display->screen) - szHint.width - 2 * ext_bwidth; |
733 |
|
734 |
if (recalc_y) |
735 |
szHint.y += DisplayHeight (xdisp, display->screen) - szHint.height - 2 * ext_bwidth; |
736 |
|
737 |
ncol = width / fwidth; |
738 |
nrow = height / fheight; |
739 |
} |
740 |
|
741 |
/*----------------------------------------------------------------------*/ |
742 |
/* |
743 |
* Tell the teletype handler what size the window is. |
744 |
* Called after a window size change. |
745 |
*/ |
746 |
void |
747 |
rxvt_term::tt_winch () |
748 |
{ |
749 |
if (pty->pty < 0) |
750 |
return; |
751 |
|
752 |
struct winsize ws; |
753 |
|
754 |
ws.ws_col = ncol; |
755 |
ws.ws_row = nrow; |
756 |
ws.ws_xpixel = width; |
757 |
ws.ws_ypixel = height; |
758 |
(void)ioctl (pty->pty, TIOCSWINSZ, &ws); |
759 |
|
760 |
#if 0 |
761 |
// TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
762 |
if (cmd_pid) /* force through to the command */ |
763 |
kill (-cmd_pid, SIGWINCH); |
764 |
#endif |
765 |
} |
766 |
|
767 |
/*----------------------------------------------------------------------*/ |
768 |
/* set_fonts () - load and set the various fonts |
769 |
* |
770 |
* init = 1 - initialize |
771 |
* |
772 |
* fontname == FONT_UP - switch to bigger font |
773 |
* fontname == FONT_DN - switch to smaller font |
774 |
*/ |
775 |
bool |
776 |
rxvt_term::set_fonts () |
777 |
{ |
778 |
rxvt_fontset *fs = new rxvt_fontset (this); |
779 |
rxvt_fontprop prop; |
780 |
|
781 |
if (!fs |
782 |
|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed") |
783 |
|| !fs->realize_font (1)) |
784 |
{ |
785 |
delete fs; |
786 |
return false; |
787 |
} |
788 |
|
789 |
#if ENABLE_STYLES |
790 |
for (int i = RS_styleCount; --i; ) |
791 |
if (fontset[i] != fontset[0]) |
792 |
delete fontset[i]; |
793 |
#endif |
794 |
|
795 |
delete fontset[0]; |
796 |
fontset[0] = fs; |
797 |
|
798 |
prop = (*fs)[1]->properties (); |
799 |
prop.height += lineSpace; |
800 |
fs->set_prop (prop); |
801 |
|
802 |
fwidth = prop.width; |
803 |
fheight = prop.height; |
804 |
fbase = prop.ascent; |
805 |
|
806 |
for (int style = 1; style < 4; style++) |
807 |
{ |
808 |
#if ENABLE_STYLES |
809 |
const char *res = rs[Rs_font + style]; |
810 |
|
811 |
if (res && !*res) |
812 |
fontset[style] = fontset[0]; |
813 |
else |
814 |
{ |
815 |
fontset[style] = fs = new rxvt_fontset (this); |
816 |
rxvt_fontprop prop2 = prop; |
817 |
|
818 |
if (res) |
819 |
prop2.weight = prop2.slant = rxvt_fontprop::unset; |
820 |
else |
821 |
{ |
822 |
res = fontset[0]->fontdesc; |
823 |
|
824 |
if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold; |
825 |
if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic; |
826 |
} |
827 |
|
828 |
fs->populate (res); |
829 |
fs->set_prop (prop2); |
830 |
} |
831 |
#else |
832 |
fontset[style] = fontset[0]; |
833 |
#endif |
834 |
} |
835 |
|
836 |
if (parent[0]) |
837 |
{ |
838 |
resize_all_windows (0, 0, 0); |
839 |
scr_remap_chars (); |
840 |
scr_touch (true); |
841 |
} |
842 |
|
843 |
return true; |
844 |
} |
845 |
|
846 |
void rxvt_term::set_string_property (Atom prop, const char *str, int len) |
847 |
{ |
848 |
XChangeProperty (xdisp, parent[0], |
849 |
prop, XA_STRING, 8, PropModeReplace, |
850 |
(const unsigned char *)str, len >= 0 ? len : strlen (str)); |
851 |
} |
852 |
|
853 |
void rxvt_term::set_utf8_property (Atom prop, const char *str, int len) |
854 |
{ |
855 |
wchar_t *ws = rxvt_mbstowcs (str, len); |
856 |
char *s = rxvt_wcstoutf8 (ws); |
857 |
|
858 |
XChangeProperty (xdisp, parent[0], |
859 |
prop, xa[XA_UTF8_STRING], 8, PropModeReplace, |
860 |
(const unsigned char *)s, strlen (s)); |
861 |
|
862 |
free (s); |
863 |
free (ws); |
864 |
} |
865 |
|
866 |
/*----------------------------------------------------------------------*/ |
867 |
/*----------------------------------------------------------------------*/ |
868 |
/* xterm sequences - title, iconName, color (exptl) */ |
869 |
void |
870 |
rxvt_term::set_title (const char *str) |
871 |
{ |
872 |
set_string_property (XA_WM_NAME, str); |
873 |
#if ENABLE_EWMH |
874 |
set_utf8_property (xa[XA_NET_WM_NAME], str); |
875 |
#endif |
876 |
} |
877 |
|
878 |
void |
879 |
rxvt_term::set_icon_name (const char *str) |
880 |
{ |
881 |
set_string_property (XA_WM_ICON_NAME, str); |
882 |
#if ENABLE_EWMH |
883 |
set_utf8_property (xa[XA_NET_WM_ICON_NAME], str); |
884 |
#endif |
885 |
} |
886 |
|
887 |
#ifdef XTERM_COLOR_CHANGE |
888 |
void |
889 |
rxvt_term::set_window_color (int idx, const char *color) |
890 |
{ |
891 |
rxvt_color xcol; |
892 |
int i; |
893 |
|
894 |
if (color == NULL || *color == '\0') |
895 |
return; |
896 |
|
897 |
color = strdup (color); |
898 |
allocated.push_back ((void *)color); |
899 |
rs[Rs_color + idx] = color; |
900 |
|
901 |
/* handle color aliases */ |
902 |
if (isdigit (*color)) |
903 |
{ |
904 |
i = atoi (color); |
905 |
|
906 |
if (i >= 8 && i <= 15) |
907 |
{ /* bright colors */ |
908 |
i -= 8; |
909 |
pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i]; |
910 |
goto done; |
911 |
} |
912 |
|
913 |
if (i >= 0 && i <= 7) |
914 |
{ /* normal colors */ |
915 |
pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i]; |
916 |
goto done; |
917 |
} |
918 |
} |
919 |
|
920 |
set_color (xcol, color); |
921 |
|
922 |
/* |
923 |
* FIXME: should free colors here, but no idea how to do it so instead, |
924 |
* so just keep gobbling up the colormap |
925 |
*/ |
926 |
|
927 |
pix_colors_focused[idx] = xcol; |
928 |
|
929 |
/* XSetWindowAttributes attr; */ |
930 |
/* Cursor cursor; */ |
931 |
done: |
932 |
|
933 |
#if OFF_FOCUS_FADING |
934 |
if (rs[Rs_fade]) |
935 |
{ |
936 |
rgba c; |
937 |
pix_colors [Color_fade].get (c); |
938 |
pix_colors_focused [idx].fade (this, atoi (rs[Rs_fade]), pix_colors_unfocused [idx], c); |
939 |
} |
940 |
#endif |
941 |
|
942 |
/*TODO: handle Color_BD, scrollbar background, etc. */ |
943 |
|
944 |
recolour_cursor (); |
945 |
scr_recolour (); |
946 |
} |
947 |
|
948 |
#else |
949 |
# define set_window_color (idx,color) ((void)0) |
950 |
#endif /* XTERM_COLOR_CHANGE */ |
951 |
|
952 |
void |
953 |
rxvt_term::recolour_cursor () |
954 |
{ |
955 |
XColor fg, bg; |
956 |
|
957 |
(ISSET_PIXCOLOR (Color_pointer_fg) |
958 |
? pix_colors_focused[Color_pointer_fg] |
959 |
: pix_colors_focused[Color_fg]).get (fg); |
960 |
|
961 |
(ISSET_PIXCOLOR (Color_pointer_bg) |
962 |
? pix_colors_focused[Color_pointer_bg] |
963 |
: pix_colors_focused[Color_bg]).get (bg); |
964 |
|
965 |
XRecolorCursor (xdisp, TermWin_cursor, &fg, &bg); |
966 |
} |
967 |
|
968 |
/*----------------------------------------------------------------------*/ |
969 |
/* |
970 |
* find if fg/bg matches any of the normal (low-intensity) colors |
971 |
*/ |
972 |
void |
973 |
rxvt_term::set_colorfgbg () |
974 |
{ |
975 |
unsigned int i; |
976 |
const char *xpmb = "\0"; |
977 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
978 |
|
979 |
strcpy (fstr, "default"); |
980 |
strcpy (bstr, "default"); |
981 |
for (i = Color_Black; i <= Color_White; i++) |
982 |
if (pix_colors[Color_fg] == pix_colors[i]) |
983 |
{ |
984 |
sprintf (fstr, "%d", (i - Color_Black)); |
985 |
break; |
986 |
} |
987 |
|
988 |
for (i = Color_Black; i <= Color_White; i++) |
989 |
if (pix_colors[Color_bg] == pix_colors[i]) |
990 |
{ |
991 |
sprintf (bstr, "%d", (i - Color_Black)); |
992 |
#ifdef XPM_BACKGROUND |
993 |
xpmb = "default;"; |
994 |
#endif |
995 |
break; |
996 |
} |
997 |
|
998 |
sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
999 |
} |
1000 |
|
1001 |
/*----------------------------------------------------------------------*/ |
1002 |
|
1003 |
bool |
1004 |
rxvt_term::set_color (rxvt_color &color, const char *name) |
1005 |
{ |
1006 |
if (color.set (this, name)) |
1007 |
return true; |
1008 |
|
1009 |
rxvt_warn ("can't get colour '%s', continuing without.\n", name); |
1010 |
return false; |
1011 |
} |
1012 |
|
1013 |
/* -------------------------------------------------------------------- * |
1014 |
* - WINDOW RESIZING - * |
1015 |
* -------------------------------------------------------------------- */ |
1016 |
void |
1017 |
rxvt_term::resize_all_windows (unsigned int newwidth, unsigned int newheight, int ignoreparent) |
1018 |
{ |
1019 |
int fix_screen; |
1020 |
int old_width = szHint.width; |
1021 |
int old_height = szHint.height; |
1022 |
|
1023 |
window_calc (newwidth, newheight); |
1024 |
XSetWMNormalHints (xdisp, parent[0], &szHint); |
1025 |
|
1026 |
if (!ignoreparent) |
1027 |
{ |
1028 |
#ifdef SMART_RESIZE |
1029 |
/* |
1030 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
1031 |
* reposition window on resize depending on placement on screen |
1032 |
*/ |
1033 |
int x, y, x1, y1; |
1034 |
int dx, dy; |
1035 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
1036 |
Window unused_cr; |
1037 |
|
1038 |
XTranslateCoordinates (xdisp, parent[0], display->root, |
1039 |
0, 0, &x, &y, &unused_cr); |
1040 |
XGetGeometry (xdisp, parent[0], &unused_cr, &x1, &y1, |
1041 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
1042 |
/* |
1043 |
* if display->root isn't the parent window, a WM will probably have offset |
1044 |
* our position for handles and decorations. Counter it |
1045 |
*/ |
1046 |
if (x1 != x || y1 != y) |
1047 |
{ |
1048 |
x -= x1; |
1049 |
y -= y1; |
1050 |
} |
1051 |
|
1052 |
x1 = (DisplayWidth (xdisp, display->screen) - old_width ) / 2; |
1053 |
y1 = (DisplayHeight (xdisp, display->screen) - old_height) / 2; |
1054 |
dx = old_width - szHint.width; |
1055 |
dy = old_height - szHint.height; |
1056 |
|
1057 |
/* Check position of the center of the window */ |
1058 |
if (x < x1) /* left half */ |
1059 |
dx = 0; |
1060 |
else if (x == x1) /* exact center */ |
1061 |
dx /= 2; |
1062 |
if (y < y1) /* top half */ |
1063 |
dy = 0; |
1064 |
else if (y == y1) /* exact center */ |
1065 |
dy /= 2; |
1066 |
|
1067 |
XMoveResizeWindow (xdisp, parent[0], x + dx, y + dy, |
1068 |
szHint.width, szHint.height); |
1069 |
#else |
1070 |
XResizeWindow (xdisp, parent[0], szHint.width, szHint.height); |
1071 |
#endif |
1072 |
} |
1073 |
|
1074 |
fix_screen = ncol != prev_ncol || nrow != prev_nrow; |
1075 |
|
1076 |
if (fix_screen || newwidth != old_width || newheight != old_height) |
1077 |
{ |
1078 |
if (scrollBar.state) |
1079 |
{ |
1080 |
XMoveResizeWindow (xdisp, scrollBar.win, |
1081 |
window_sb_x, 0, |
1082 |
scrollbar_TotalWidth (), szHint.height); |
1083 |
resize_scrollbar (); |
1084 |
} |
1085 |
|
1086 |
XMoveResizeWindow (xdisp, vt, |
1087 |
window_vt_x, window_vt_y, |
1088 |
width, height); |
1089 |
|
1090 |
scr_clear (); |
1091 |
#ifdef XPM_BACKGROUND |
1092 |
resize_pixmap (); |
1093 |
#endif |
1094 |
} |
1095 |
|
1096 |
if (fix_screen || old_height == 0) |
1097 |
scr_reset (); |
1098 |
|
1099 |
#ifdef XPM_BACKGROUND |
1100 |
if (pixmap) |
1101 |
scr_touch (false); |
1102 |
#endif |
1103 |
|
1104 |
#ifdef USE_XIM |
1105 |
IMSetStatusPosition (); |
1106 |
#endif |
1107 |
} |
1108 |
|
1109 |
/* |
1110 |
* Set the width/height of the vt window in characters. Units are pixels. |
1111 |
* good for toggling 80/132 columns |
1112 |
*/ |
1113 |
void |
1114 |
rxvt_term::set_widthheight (unsigned int newwidth, unsigned int newheight) |
1115 |
{ |
1116 |
XWindowAttributes wattr; |
1117 |
|
1118 |
if (newwidth == 0 || newheight == 0) |
1119 |
{ |
1120 |
XGetWindowAttributes (xdisp, display->root, &wattr); |
1121 |
|
1122 |
if (newwidth == 0) |
1123 |
newwidth = wattr.width - szHint.base_width; |
1124 |
if (newheight == 0) |
1125 |
newheight = wattr.height - szHint.base_height; |
1126 |
} |
1127 |
|
1128 |
if (newwidth != width || newheight != height) |
1129 |
{ |
1130 |
newwidth += szHint.base_width; |
1131 |
newheight += szHint.base_height; |
1132 |
resize_all_windows (newwidth, newheight, 0); |
1133 |
} |
1134 |
} |
1135 |
|
1136 |
/* -------------------------------------------------------------------- * |
1137 |
* - X INPUT METHOD ROUTINES - * |
1138 |
* -------------------------------------------------------------------- */ |
1139 |
#ifdef USE_XIM |
1140 |
|
1141 |
void |
1142 |
rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg) |
1143 |
{ |
1144 |
fg = pix_colors[Color_fg]; |
1145 |
bg = pix_colors[Color_bg]; |
1146 |
} |
1147 |
|
1148 |
void |
1149 |
rxvt_term::im_set_size (XRectangle &size) |
1150 |
{ |
1151 |
// the int_bwidth terms make no sense to me |
1152 |
size.x = int_bwidth; |
1153 |
size.y = int_bwidth; |
1154 |
size.width = Width2Pixel (ncol) + int_bwidth; |
1155 |
size.height = Height2Pixel (nrow) + int_bwidth; |
1156 |
} |
1157 |
|
1158 |
void |
1159 |
rxvt_term::im_set_preedit_area (XRectangle &preedit_rect, |
1160 |
XRectangle &status_rect, |
1161 |
const XRectangle &needed_rect) |
1162 |
{ |
1163 |
preedit_rect.x = needed_rect.width; |
1164 |
preedit_rect.y = 0; |
1165 |
preedit_rect.width = Width2Pixel (ncol) - needed_rect.width + 1; |
1166 |
preedit_rect.height = fheight; |
1167 |
|
1168 |
status_rect.x = 0; |
1169 |
status_rect.y = 0; |
1170 |
status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (ncol) + 1; |
1171 |
status_rect.height = fheight; |
1172 |
} |
1173 |
|
1174 |
/* Checking whether input method is running. */ |
1175 |
bool |
1176 |
rxvt_term::IMisRunning () |
1177 |
{ |
1178 |
char *p; |
1179 |
Atom atom; |
1180 |
Window win; |
1181 |
char server[IMBUFSIZ]; |
1182 |
|
1183 |
/* get current locale modifier */ |
1184 |
if ((p = XSetLocaleModifiers (NULL)) != NULL) |
1185 |
{ |
1186 |
strcpy (server, "@server="); |
1187 |
strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1188 |
|
1189 |
if ((p = strchr (server + 1, '@')) != NULL) /* first one only */ |
1190 |
*p = '\0'; |
1191 |
|
1192 |
atom = XInternAtom (xdisp, server, False); |
1193 |
win = XGetSelectionOwner (xdisp, atom); |
1194 |
|
1195 |
if (win != None) |
1196 |
return True; |
1197 |
} |
1198 |
|
1199 |
return False; |
1200 |
} |
1201 |
|
1202 |
void |
1203 |
rxvt_term::IMSendSpot () |
1204 |
{ |
1205 |
XPoint nspot; |
1206 |
XVaNestedList preedit_attr; |
1207 |
|
1208 |
if (!Input_Context |
1209 |
|| !focus |
1210 |
|| !(input_style & (XIMPreeditPosition | XIMPreeditCallbacks))) |
1211 |
return; |
1212 |
|
1213 |
im_set_position (nspot); |
1214 |
|
1215 |
if (nspot.x == spot.x && nspot.y == spot.y) |
1216 |
return; |
1217 |
|
1218 |
spot = nspot; |
1219 |
|
1220 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1221 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1222 |
XFree (preedit_attr); |
1223 |
} |
1224 |
|
1225 |
void |
1226 |
rxvt_term::im_destroy () |
1227 |
{ |
1228 |
if (input_method) |
1229 |
{ |
1230 |
if (Input_Context && input_method->xim) |
1231 |
XDestroyIC (Input_Context); |
1232 |
|
1233 |
display->put_xim (input_method); |
1234 |
input_method = 0; |
1235 |
} |
1236 |
|
1237 |
Input_Context = 0; |
1238 |
} |
1239 |
|
1240 |
#ifdef ENABLE_XIM_ONTHESPOT |
1241 |
|
1242 |
static void |
1243 |
xim_preedit_start (XIC ic, XPointer client_data, XPointer call_data) |
1244 |
{ |
1245 |
((rxvt_term *)client_data)->make_current (); |
1246 |
HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_START, DT_END)); |
1247 |
} |
1248 |
|
1249 |
static void |
1250 |
xim_preedit_done (XIC ic, XPointer client_data, XPointer call_data) |
1251 |
{ |
1252 |
((rxvt_term *)client_data)->make_current (); |
1253 |
HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_DONE, DT_END)); |
1254 |
} |
1255 |
|
1256 |
static void |
1257 |
xim_preedit_draw (XIC ic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data) |
1258 |
{ |
1259 |
rxvt_term *term = (rxvt_term *)client_data; |
1260 |
XIMText *text = call_data->text; |
1261 |
|
1262 |
term->make_current (); |
1263 |
|
1264 |
if (text) |
1265 |
{ |
1266 |
void *str; |
1267 |
|
1268 |
if (!text->encoding_is_wchar && text->string.multi_byte) |
1269 |
{ |
1270 |
// of course, X makes it ugly again |
1271 |
if (term->rs[Rs_imLocale]) |
1272 |
SET_LOCALE (term->rs[Rs_imLocale]); |
1273 |
|
1274 |
str = rxvt_temp_buf ((text->length + 1) * sizeof (wchar_t)); |
1275 |
mbstowcs ((wchar_t *)str, text->string.multi_byte, text->length + 1); |
1276 |
|
1277 |
if (term->rs[Rs_imLocale]) |
1278 |
SET_LOCALE (term->locale); |
1279 |
} |
1280 |
else |
1281 |
str = (void *)text->string.wide_char; |
1282 |
|
1283 |
HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW, |
1284 |
DT_INT, call_data->caret, |
1285 |
DT_INT, call_data->chg_first, |
1286 |
DT_INT, call_data->chg_length, |
1287 |
DT_LCS_LEN, (void *)text->feedback, text->feedback ? (int)text->length : 0, |
1288 |
DT_WCS_LEN, str, str ? (int)text->length : 0, |
1289 |
DT_END)); |
1290 |
} |
1291 |
else |
1292 |
HOOK_INVOKE ((term, HOOK_XIM_PREEDIT_DRAW, |
1293 |
DT_INT, call_data->caret, |
1294 |
DT_INT, call_data->chg_first, |
1295 |
DT_INT, call_data->chg_length, |
1296 |
DT_END)); |
1297 |
} |
1298 |
|
1299 |
#if 0 |
1300 |
static void |
1301 |
xim_preedit_caret (XIC ic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data) |
1302 |
{ |
1303 |
((rxvt_term *)client_data)->make_current (); |
1304 |
HOOK_INVOKE (((rxvt_term *)client_data, HOOK_XIM_PREEDIT_CARET, |
1305 |
DT_INT, call_data->position, |
1306 |
DT_INT, call_data->direction, |
1307 |
DT_INT, call_data->style, |
1308 |
DT_END)); |
1309 |
} |
1310 |
#endif |
1311 |
|
1312 |
#endif |
1313 |
|
1314 |
/* |
1315 |
* Try to open a XIM with the current modifiers, then see if we can |
1316 |
* open a suitable preedit type |
1317 |
*/ |
1318 |
bool |
1319 |
rxvt_term::IM_get_IC (const char *modifiers) |
1320 |
{ |
1321 |
int i, j, found; |
1322 |
XIM xim; |
1323 |
XPoint spot; |
1324 |
XRectangle rect, status_rect, needed_rect; |
1325 |
unsigned long fg, bg; |
1326 |
const char *p; |
1327 |
char **s; |
1328 |
XIMStyles *xim_styles; |
1329 |
#ifdef ENABLE_XIM_ONTHESPOT |
1330 |
XIMCallback xcb[4]; |
1331 |
#endif |
1332 |
|
1333 |
set_environ (envv); |
1334 |
|
1335 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1336 |
return false; |
1337 |
|
1338 |
input_method = display->get_xim (locale, modifiers); |
1339 |
if (input_method == NULL) |
1340 |
return false; |
1341 |
|
1342 |
xim = input_method->xim; |
1343 |
spot.x = spot.y = -1; |
1344 |
|
1345 |
xim_styles = NULL; |
1346 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1347 |
|| !xim_styles || !xim_styles->count_styles) |
1348 |
{ |
1349 |
im_destroy (); |
1350 |
return false; |
1351 |
} |
1352 |
|
1353 |
const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" }; |
1354 |
|
1355 |
for (int pi = 0; pi < 2; pi++) |
1356 |
{ |
1357 |
p = pet[pi]; |
1358 |
|
1359 |
if (!p) |
1360 |
continue; |
1361 |
|
1362 |
s = rxvt_splitcommastring (p); |
1363 |
|
1364 |
for (i = found = 0; !found && s[i]; i++) |
1365 |
{ |
1366 |
if (!strcmp (s[i], "OverTheSpot")) |
1367 |
input_style = XIMPreeditPosition | XIMStatusNothing; |
1368 |
else if (!strcmp (s[i], "OffTheSpot")) |
1369 |
input_style = XIMPreeditArea | XIMStatusArea; |
1370 |
else if (!strcmp (s[i], "Root")) |
1371 |
input_style = XIMPreeditNothing | XIMStatusNothing; |
1372 |
else if (!strcmp (s[i], "None")) |
1373 |
input_style = XIMPreeditNone | XIMStatusNone; |
1374 |
#ifdef ENABLE_XIM_ONTHESPOT |
1375 |
else if (SHOULD_INVOKE (HOOK_XIM_PREEDIT_START) && !strcmp (s[i], "OnTheSpot")) |
1376 |
input_style = XIMPreeditCallbacks | XIMStatusNothing; |
1377 |
#endif |
1378 |
else |
1379 |
input_style = XIMPreeditNothing | XIMStatusNothing; |
1380 |
|
1381 |
for (j = 0; j < xim_styles->count_styles; j++) |
1382 |
if (input_style == xim_styles->supported_styles[j]) |
1383 |
{ |
1384 |
rxvt_freecommastring (s); |
1385 |
|
1386 |
found = 1; |
1387 |
goto foundpet; |
1388 |
} |
1389 |
|
1390 |
} |
1391 |
|
1392 |
rxvt_freecommastring (s); |
1393 |
} |
1394 |
|
1395 |
foundpet: |
1396 |
|
1397 |
XFree (xim_styles); |
1398 |
|
1399 |
if (!found) |
1400 |
{ |
1401 |
im_destroy (); |
1402 |
return false; |
1403 |
} |
1404 |
|
1405 |
XFontSet fs = 0; |
1406 |
XVaNestedList preedit_attr = 0, status_attr = 0; |
1407 |
|
1408 |
if (input_style & (XIMPreeditPosition | XIMPreeditArea)) |
1409 |
{ |
1410 |
// fake us a font-set, please |
1411 |
char **missing_charset_list; |
1412 |
int missing_charset_count; |
1413 |
char *def_string; |
1414 |
char pat[512]; |
1415 |
|
1416 |
sprintf (pat, |
1417 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1418 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1419 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1420 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1421 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1422 |
"*", |
1423 |
fheight, |
1424 |
fheight + 1, fheight - 1, |
1425 |
fheight - 2, fheight + 2); |
1426 |
|
1427 |
fs = XCreateFontSet (xdisp, rs[Rs_imFont] ? rs[Rs_imFont] : pat, |
1428 |
&missing_charset_list, &missing_charset_count, &def_string); |
1429 |
|
1430 |
if (missing_charset_list) |
1431 |
XFreeStringList (missing_charset_list); |
1432 |
|
1433 |
if (!fs) |
1434 |
{ |
1435 |
input_style &= ~(XIMPreeditPosition | XIMPreeditArea); |
1436 |
rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n"); |
1437 |
} |
1438 |
} |
1439 |
|
1440 |
if (input_style & XIMPreeditPosition) |
1441 |
{ |
1442 |
im_set_size (rect); |
1443 |
im_set_position (spot); |
1444 |
im_set_color (fg, bg); |
1445 |
|
1446 |
preedit_attr = XVaCreateNestedList (0, |
1447 |
XNForeground, fg, |
1448 |
XNBackground, bg, |
1449 |
XNArea, &rect, |
1450 |
XNSpotLocation, &spot, |
1451 |
XNFontSet, fs, |
1452 |
NULL); |
1453 |
} |
1454 |
else if (input_style & XIMPreeditArea) |
1455 |
{ |
1456 |
im_set_color (fg, bg); |
1457 |
|
1458 |
/* |
1459 |
* The necessary width of preedit area is unknown |
1460 |
* until create input context. |
1461 |
*/ |
1462 |
needed_rect.width = 0; |
1463 |
im_set_preedit_area (rect, status_rect, needed_rect); |
1464 |
|
1465 |
preedit_attr = XVaCreateNestedList (0, |
1466 |
XNForeground, fg, |
1467 |
XNBackground, bg, |
1468 |
XNArea, &rect, |
1469 |
XNFontSet, fs, |
1470 |
NULL); |
1471 |
status_attr = XVaCreateNestedList (0, |
1472 |
XNForeground, fg, |
1473 |
XNBackground, bg, |
1474 |
XNArea, &status_rect, |
1475 |
XNFontSet, fs, |
1476 |
NULL); |
1477 |
} |
1478 |
#if ENABLE_XIM_ONTHESPOT |
1479 |
else if (input_style & XIMPreeditCallbacks) |
1480 |
{ |
1481 |
im_set_position (spot); |
1482 |
|
1483 |
xcb[0].client_data = (XPointer)this; xcb[0].callback = (XIMProc)xim_preedit_start; |
1484 |
xcb[1].client_data = (XPointer)this; xcb[1].callback = (XIMProc)xim_preedit_done; |
1485 |
xcb[2].client_data = (XPointer)this; xcb[2].callback = (XIMProc)xim_preedit_draw; |
1486 |
# if 0 |
1487 |
xcb[3].client_data = (XPointer)this; xcb[3].callback = (XIMProc)xim_preedit_caret; |
1488 |
# endif |
1489 |
|
1490 |
preedit_attr = XVaCreateNestedList (0, |
1491 |
XNSpotLocation, &spot, |
1492 |
XNPreeditStartCallback, &xcb[0], |
1493 |
XNPreeditDoneCallback , &xcb[1], |
1494 |
XNPreeditDrawCallback , &xcb[2], |
1495 |
# if 0 |
1496 |
XNPreeditCaretCallback, &xcb[3], |
1497 |
# endif |
1498 |
NULL); |
1499 |
} |
1500 |
#endif |
1501 |
|
1502 |
Input_Context = XCreateIC (xim, |
1503 |
XNInputStyle, input_style, |
1504 |
XNClientWindow, vt, |
1505 |
XNFocusWindow, parent[0], |
1506 |
preedit_attr ? XNPreeditAttributes : NULL, |
1507 |
preedit_attr, |
1508 |
status_attr ? XNStatusAttributes : NULL, |
1509 |
status_attr, NULL); |
1510 |
|
1511 |
if (preedit_attr) XFree (preedit_attr); |
1512 |
if (status_attr) XFree (status_attr); |
1513 |
if (fs) XFreeFontSet (xdisp, fs); |
1514 |
|
1515 |
if (Input_Context == NULL) |
1516 |
{ |
1517 |
rxvt_warn ("failed to create input context, continuing without XIM.\n"); |
1518 |
im_destroy (); |
1519 |
return false; |
1520 |
} |
1521 |
|
1522 |
#if 0 |
1523 |
// unfortunately, only the focus window is used by XIM, hard to fix |
1524 |
if (!XGetICValues (Input_Context, XNFilterEvents, &vt_emask_xim, NULL)) |
1525 |
vt_select_input (); |
1526 |
#endif |
1527 |
|
1528 |
if (input_style & XIMPreeditArea) |
1529 |
IMSetStatusPosition (); |
1530 |
|
1531 |
return true; |
1532 |
} |
1533 |
|
1534 |
void |
1535 |
rxvt_term::im_cb () |
1536 |
{ |
1537 |
int i; |
1538 |
const char *p; |
1539 |
char **s; |
1540 |
char buf[IMBUFSIZ]; |
1541 |
|
1542 |
make_current (); |
1543 |
|
1544 |
im_destroy (); |
1545 |
|
1546 |
if (Input_Context) |
1547 |
return; |
1548 |
|
1549 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1550 |
if (rs[Rs_imLocale]) |
1551 |
SET_LOCALE (rs[Rs_imLocale]); |
1552 |
#endif |
1553 |
|
1554 |
p = rs[Rs_inputMethod]; |
1555 |
if (p && *p) |
1556 |
{ |
1557 |
bool found = false; |
1558 |
|
1559 |
s = rxvt_splitcommastring (p); |
1560 |
|
1561 |
for (i = 0; s[i]; i++) |
1562 |
{ |
1563 |
if (*s[i]) |
1564 |
{ |
1565 |
strcpy (buf, "@im="); |
1566 |
strncat (buf, s[i], IMBUFSIZ - 5); |
1567 |
if (IM_get_IC (buf)) |
1568 |
{ |
1569 |
found = true; |
1570 |
break; |
1571 |
} |
1572 |
} |
1573 |
} |
1574 |
|
1575 |
rxvt_freecommastring (s); |
1576 |
|
1577 |
if (found) |
1578 |
goto done; |
1579 |
} |
1580 |
|
1581 |
/* try with XMODIFIERS env. var. */ |
1582 |
if (IM_get_IC ("")) |
1583 |
goto done; |
1584 |
|
1585 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1586 |
if (IM_get_IC ("@im=none")) |
1587 |
goto done; |
1588 |
|
1589 |
done: |
1590 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1591 |
if (rs[Rs_imLocale]) |
1592 |
SET_LOCALE (locale); |
1593 |
#endif |
1594 |
} |
1595 |
|
1596 |
void |
1597 |
rxvt_term::IMSetStatusPosition () |
1598 |
{ |
1599 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1600 |
XVaNestedList preedit_attr, status_attr; |
1601 |
|
1602 |
if (!Input_Context |
1603 |
|| !focus |
1604 |
|| !(input_style & XIMPreeditArea) |
1605 |
|| !IMisRunning ()) |
1606 |
return; |
1607 |
|
1608 |
/* Getting the necessary width of preedit area */ |
1609 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1610 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1611 |
XFree (status_attr); |
1612 |
|
1613 |
im_set_preedit_area (preedit_rect, status_rect, *needed_rect); |
1614 |
XFree (needed_rect); |
1615 |
|
1616 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1617 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1618 |
|
1619 |
XSetICValues (Input_Context, |
1620 |
XNPreeditAttributes, preedit_attr, |
1621 |
XNStatusAttributes, status_attr, NULL); |
1622 |
|
1623 |
XFree (preedit_attr); |
1624 |
XFree (status_attr); |
1625 |
} |
1626 |
#endif /* USE_XIM */ |
1627 |
|
1628 |
/*----------------------- end-of-file (C source) -----------------------*/ |