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/*--------------------------------*-C-*---------------------------------* |
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* File: main.C |
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*----------------------------------------------------------------------* |
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* |
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* All portions of code are copyright by their respective author/s. |
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* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> |
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* - original version |
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* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> |
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* - extensive modifications |
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* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> |
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* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> |
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* - extensive modifications |
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* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
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* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
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* - extensive modifications |
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* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*---------------------------------------------------------------------*/ |
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|
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#include "../config.h" /* NECESSARY */ |
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#include "rxvt.h" /* NECESSARY */ |
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#include "main.intpro" /* PROTOS for internal routines */ |
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|
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#include <csignal> |
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#include <cstring> |
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|
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#ifdef TTY_GID_SUPPORT |
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# include <grp.h> |
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#endif |
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|
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#ifdef HAVE_TERMIOS_H |
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# include <termios.h> |
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#endif |
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|
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#ifdef KEYSYM_RESOURCE |
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# include "keyboard.h" |
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#endif |
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|
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vector<rxvt_term *> rxvt_term::termlist; |
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|
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static char curlocale[128]; |
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|
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bool |
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rxvt_set_locale (const char *locale) |
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{ |
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if (!locale || !strncmp (locale, curlocale, 128)) |
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return false; |
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|
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strncpy (curlocale, locale, 128); |
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setlocale (LC_CTYPE, curlocale); |
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return true; |
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} |
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|
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#if ENABLE_COMBINING |
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class rxvt_composite_vec rxvt_composite; |
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|
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text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2) |
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{ |
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compose_char *cc; |
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|
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// break compose chains, as stupid readline really likes to duplicate |
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// composing characters for some reason near the end of a line. |
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cc = (*this)[c1]; |
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while (cc) |
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{ |
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if (cc->c2 == c2) return c1; |
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cc = (*this)[cc->c1]; |
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} |
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|
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// check to see wether this combination already exists otherwise |
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for (cc = v.end (); cc-- > v.begin (); ) |
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{ |
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if (cc->c1 == c1 && cc->c2 == c2) |
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return COMPOSE_LO + (cc - v.begin ()); |
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} |
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|
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// allocate a new combination |
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if (v.size () == COMPOSE_HI - COMPOSE_LO + 1) |
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{ |
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static int seen; |
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|
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if (!seen++) |
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fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n"); |
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|
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return REPLACEMENT_CHAR; |
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} |
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|
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v.push_back (compose_char (c1, c2)); |
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|
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return v.size () - 1 + COMPOSE_LO; |
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} |
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|
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int rxvt_composite_vec::expand (unicode_t c, wchar_t *r) |
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{ |
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compose_char *cc = (*this)[c]; |
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|
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if (!cc) |
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{ |
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if (r) *r = c; |
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return 1; |
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} |
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|
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int len = expand (cc->c1, r); |
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|
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if (r) r += len; |
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|
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if (cc->c2 != NOCHAR) |
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{ |
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len++; |
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if (r) *r++ = cc->c2; |
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} |
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|
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return len; |
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|
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} |
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#endif |
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|
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rxvt_term::rxvt_term () |
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: |
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#if TRANSPARENT |
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rootwin_ev (this, &rxvt_term::rootwin_cb), |
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#endif |
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#ifdef HAVE_SCROLLBARS |
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scrollbar_ev (this, &rxvt_term::x_cb), |
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#endif |
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#ifdef MENUBAR |
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menubar_ev (this, &rxvt_term::x_cb), |
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#endif |
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#ifdef CURSOR_BLINK |
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cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), |
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#endif |
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#ifdef TEXT_BLINK |
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text_blink_ev (this, &rxvt_term::text_blink_cb), |
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#endif |
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#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
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cont_scroll_ev (this, &rxvt_term::cont_scroll_cb), |
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#endif |
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#ifdef SELECTION_SCROLLING |
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sel_scroll_ev (this, &rxvt_term::sel_scroll_cb), |
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#endif |
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#if defined(MOUSE_WHEEL) && defined(MOUSE_SLIP_WHEELING) |
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slip_wheel_ev (this, &rxvt_term::slip_wheel_cb), |
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#endif |
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#ifdef POINTER_BLANK |
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pointer_ev (this, &rxvt_term::pointer_cb), |
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#endif |
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#ifdef USE_XIM |
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im_ev (this, &rxvt_term::im_cb), |
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#endif |
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sw_term (this, &rxvt_term::sig_term), |
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sw_chld (this, &rxvt_term::sig_chld), |
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termwin_ev (this, &rxvt_term::x_cb), |
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vt_ev (this, &rxvt_term::x_cb), |
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check_ev (this, &rxvt_term::check_cb), |
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flush_ev (this, &rxvt_term::flush_cb), |
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destroy_ev (this, &rxvt_term::destroy_cb), |
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pty_ev (this, &rxvt_term::pty_cb), |
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incr_ev (this, &rxvt_term::incr_cb) |
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{ |
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cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; |
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|
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termlist.push_back (this); |
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|
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#ifdef KEYSYM_RESOURCE |
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keyboard = new keyboard_manager; |
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|
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if (!keyboard) |
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rxvt_fatal ("out of memory, aborting.\n"); |
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#endif |
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} |
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|
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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_pid) |
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kill (-cmd_pid, SIGHUP); |
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|
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pty.put (); |
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|
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#ifdef UTMP_SUPPORT |
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privileged_utmp (RESTORE); |
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#endif |
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|
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#if ENABLE_STYLES |
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for (int i = RS_styleCount; --i; ) |
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if (TermWin.fontset[i] != TermWin.fontset[0]) |
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delete TermWin.fontset[i]; |
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#endif |
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delete TermWin.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 MENUBAR |
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if (menubarGC) XFreeGC (display->display, menubarGC); |
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#endif |
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#ifdef XTERM_SCROLLBAR |
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if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC); |
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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); |
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#endif |
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#ifdef NEXT_SCROLLBAR |
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if (blackGC) XFreeGC (display->display, blackGC); |
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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); |
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if (upArrowHi) XFreePixmap (display->display, upArrowHi); |
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if (downArrowHi) XFreePixmap (display->display, downArrowHi); |
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#endif |
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#if defined(MENUBAR) || defined(RXVT_SCROLLBAR) |
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if (topShadowGC) XFreeGC (display->display, topShadowGC); |
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if (botShadowGC) XFreeGC (display->display, botShadowGC); |
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if (scrollbarGC) XFreeGC (display->display, scrollbarGC); |
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#endif |
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if (TermWin.gc) XFreeGC (display->display, TermWin.gc); |
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|
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#if defined(MENUBAR) && (MENUBAR_MAX > 1) |
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delete menuBar.drawable; |
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//if (menuBar.win) |
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// XDestroyWindow (display->display, menuBar.win); |
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#endif |
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delete TermWin.drawable; |
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// destroy all windows |
248 |
if (TermWin.parent[0]) |
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XDestroyWindow (display->display, TermWin.parent[0]); |
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} |
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|
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// TODO: free pixcolours, colours should become part of rxvt_display |
253 |
|
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delete pix_colors_focused; |
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#ifdef OFF_FOCUS_FADING |
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delete pix_colors_unfocused; |
257 |
#endif |
258 |
|
259 |
displays.put (display); |
260 |
|
261 |
scr_release (); |
262 |
|
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/* clear all resources */ |
264 |
for (int i = 0; i < allocated.size (); i++) |
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free (allocated[i]); |
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|
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free (selection.text); |
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// TODO: manage env vars in child only(!) |
269 |
free (env_windowid); |
270 |
free (env_display); |
271 |
free (env_term); |
272 |
free (env_colorfgbg); |
273 |
free (locale); |
274 |
free (v_buffer); |
275 |
free (incr_buf); |
276 |
|
277 |
delete envv; |
278 |
delete argv; |
279 |
|
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#ifdef KEYSYM_RESOURCE |
281 |
delete keyboard; |
282 |
#endif |
283 |
} |
284 |
|
285 |
void |
286 |
rxvt_term::destroy () |
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{ |
288 |
if (destroy_ev.active) |
289 |
return; |
290 |
|
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#if ENABLE_OVERLAY |
292 |
scr_overlay_off (); |
293 |
#endif |
294 |
|
295 |
if (display) |
296 |
{ |
297 |
#if USE_XIM |
298 |
im_ev.stop (display); |
299 |
#endif |
300 |
#if HAVE_SCROLLBARS |
301 |
scrollbar_ev.stop (display); |
302 |
#endif |
303 |
#if MENUBAR |
304 |
menubar_ev.stop (display); |
305 |
#endif |
306 |
#if TRANSPARENT |
307 |
rootwin_ev.stop (display); |
308 |
#endif |
309 |
incr_ev.stop (); |
310 |
termwin_ev.stop (display); |
311 |
vt_ev.stop (display); |
312 |
} |
313 |
|
314 |
check_ev.stop (); |
315 |
pty_ev.stop (); |
316 |
#ifdef CURSOR_BLINK |
317 |
cursor_blink_ev.stop (); |
318 |
#endif |
319 |
#ifdef TEXT_BLINK |
320 |
text_blink_ev.stop (); |
321 |
#endif |
322 |
#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
323 |
cont_scroll_ev.stop (); |
324 |
#endif |
325 |
#ifdef SELECTION_SCROLLING |
326 |
sel_scroll_ev.stop (); |
327 |
#endif |
328 |
#ifdef POINTER_BLANK |
329 |
pointer_ev.stop (); |
330 |
#endif |
331 |
|
332 |
destroy_ev.start (0); |
333 |
} |
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|
335 |
void |
336 |
rxvt_term::destroy_cb (time_watcher &w) |
337 |
{ |
338 |
SET_R (this); |
339 |
|
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delete this; |
341 |
} |
342 |
|
343 |
/*----------------------------------------------------------------------*/ |
344 |
/* rxvt_init () */ |
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bool |
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rxvt_term::init (int argc, const char *const *argv) |
347 |
{ |
348 |
SET_R (this); |
349 |
|
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set_locale (""); |
351 |
|
352 |
if (!init_vars ()) |
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return false; |
354 |
|
355 |
init_secondary (); |
356 |
|
357 |
const char **cmd_argv = init_resources (argc, argv); |
358 |
|
359 |
#ifdef KEYSYM_RESOURCE |
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keyboard->register_done (); |
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#endif |
362 |
|
363 |
#if MENUBAR_MAX |
364 |
menubar_read (rs[Rs_menu]); |
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#endif |
366 |
#ifdef HAVE_SCROLLBARS |
367 |
if (options & Opt_scrollBar) |
368 |
scrollBar.setIdle (); /* set existence for size calculations */ |
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#endif |
370 |
|
371 |
create_windows (argc, argv); |
372 |
|
373 |
init_xlocale (); |
374 |
|
375 |
scr_reset (); /* initialize screen */ |
376 |
|
377 |
#if 0 |
378 |
XSynchronize (display->display, True); |
379 |
#endif |
380 |
|
381 |
#ifdef HAVE_SCROLLBARS |
382 |
if (options & Opt_scrollBar) |
383 |
resize_scrollbar (); /* create and map scrollbar */ |
384 |
#endif |
385 |
#if (MENUBAR_MAX) |
386 |
if (menubar_visible ()) |
387 |
XMapWindow (display->display, menuBar.win); |
388 |
#endif |
389 |
#ifdef TRANSPARENT |
390 |
if (options & Opt_transparent) |
391 |
{ |
392 |
XSelectInput (display->display, display->root, PropertyChangeMask); |
393 |
check_our_parents (); |
394 |
rootwin_ev.start (display, display->root); |
395 |
} |
396 |
#endif |
397 |
|
398 |
XMapWindow (display->display, TermWin.vt); |
399 |
XMapWindow (display->display, TermWin.parent[0]); |
400 |
|
401 |
set_colorfgbg (); |
402 |
|
403 |
init_command (cmd_argv); |
404 |
|
405 |
free (cmd_argv); |
406 |
|
407 |
pty_ev.start (pty.pty, EVENT_READ); |
408 |
|
409 |
check_ev.start (); |
410 |
|
411 |
return true; |
412 |
} |
413 |
|
414 |
static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event); |
415 |
|
416 |
void |
417 |
rxvt_init () |
418 |
{ |
419 |
/* |
420 |
* Save and then give up any super-user privileges |
421 |
* If we need privileges in any area then we must specifically request it. |
422 |
* We should only need to be root in these cases: |
423 |
* 1. write utmp entries on some systems |
424 |
* 2. chown tty on some systems |
425 |
*/ |
426 |
rxvt_privileges (SAVE); |
427 |
rxvt_privileges (IGNORE); |
428 |
|
429 |
signal (SIGHUP, SIG_IGN); |
430 |
signal (SIGPIPE, SIG_IGN); |
431 |
|
432 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
433 |
/* signal (SIGURG, SIG_DFL); */ |
434 |
|
435 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
436 |
// TODO: handle this with exceptions and tolerate the memory loss |
437 |
//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler); |
438 |
} |
439 |
|
440 |
/* ------------------------------------------------------------------------- * |
441 |
* SIGNAL HANDLING & EXIT HANDLER * |
442 |
* ------------------------------------------------------------------------- */ |
443 |
/* |
444 |
* Catch a SIGCHLD signal and exit if the direct child has died |
445 |
*/ |
446 |
|
447 |
void |
448 |
rxvt_term::sig_chld (sig_watcher &w) |
449 |
{ |
450 |
// we are being called for every SIGCHLD, not just ours |
451 |
int pid; |
452 |
|
453 |
while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) |
454 |
for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++) |
455 |
if (pid == (*t)->cmd_pid) |
456 |
{ |
457 |
(*t)->destroy (); |
458 |
break; |
459 |
} |
460 |
} |
461 |
|
462 |
/*----------------------------------------------------------------------*/ |
463 |
/* |
464 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
465 |
* TODO: if debugging, this should free up any known resources if we can |
466 |
*/ |
467 |
void |
468 |
rxvt_destroy_all () |
469 |
{ |
470 |
// TODO: rxvtd should clean up all ressources |
471 |
for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
472 |
(*t)->destroy (); |
473 |
} |
474 |
|
475 |
/* |
476 |
* Catch a fatal signal and tidy up before quitting |
477 |
*/ |
478 |
void |
479 |
rxvt_term::sig_term (sig_watcher &w) |
480 |
{ |
481 |
#ifdef DEBUG_CMD |
482 |
rxvt_warn ("caught signal %d, exiting.\n", w.signum); |
483 |
#endif |
484 |
rxvt_destroy_all (); |
485 |
signal (w.signum, SIG_DFL); |
486 |
kill (getpid (), w.signum); |
487 |
} |
488 |
|
489 |
/* INTPROTO */ |
490 |
int |
491 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
492 |
{ |
493 |
if (GET_R->allowedxerror == -1) |
494 |
GET_R->allowedxerror = event->error_code; |
495 |
else |
496 |
{ |
497 |
old_xerror_handler (display, event); |
498 |
GET_R->destroy (); |
499 |
} |
500 |
|
501 |
return 0; |
502 |
} |
503 |
|
504 |
/* ------------------------------------------------------------------------- * |
505 |
* MEMORY ALLOCATION WRAPPERS * |
506 |
* ------------------------------------------------------------------------- */ |
507 |
void * |
508 |
rxvt_malloc (size_t size) |
509 |
{ |
510 |
void *p = malloc (size); |
511 |
|
512 |
if (!p) |
513 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
514 |
|
515 |
return p; |
516 |
} |
517 |
|
518 |
/* INTPROTO */ |
519 |
void * |
520 |
rxvt_calloc (size_t number, size_t size) |
521 |
{ |
522 |
void *p = calloc (number, size); |
523 |
|
524 |
if (!p) |
525 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
526 |
|
527 |
return p; |
528 |
} |
529 |
|
530 |
/* INTPROTO */ |
531 |
void * |
532 |
rxvt_realloc (void *ptr, size_t size) |
533 |
{ |
534 |
void *p = realloc (ptr, size); |
535 |
|
536 |
if (!p) |
537 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
538 |
|
539 |
return p; |
540 |
} |
541 |
|
542 |
/* ------------------------------------------------------------------------- * |
543 |
* PRIVILEGED OPERATIONS * |
544 |
* ------------------------------------------------------------------------- */ |
545 |
/* take care of suid/sgid super-user (root) privileges */ |
546 |
void |
547 |
rxvt_privileges (rxvt_privaction action) |
548 |
{ |
549 |
#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
550 |
static uid_t euid; |
551 |
static gid_t egid; |
552 |
#endif |
553 |
|
554 |
#if ! defined(__CYGWIN32__) |
555 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
556 |
/* setreuid () is the poor man's setuid (), seteuid () */ |
557 |
# define seteuid(a) setreuid(-1, (a)) |
558 |
# define setegid(a) setregid(-1, (a)) |
559 |
# define HAVE_SETEUID |
560 |
# endif |
561 |
# ifdef HAVE_SETEUID |
562 |
switch (action) |
563 |
{ |
564 |
case IGNORE: |
565 |
/* |
566 |
* change effective uid/gid - not real uid/gid - so we can switch |
567 |
* back to root later, as required |
568 |
*/ |
569 |
seteuid (getuid ()); |
570 |
setegid (getgid ()); |
571 |
break; |
572 |
case SAVE: |
573 |
euid = geteuid (); |
574 |
egid = getegid (); |
575 |
break; |
576 |
case RESTORE: |
577 |
seteuid (euid); |
578 |
setegid (egid); |
579 |
break; |
580 |
} |
581 |
# else |
582 |
switch (action) |
583 |
{ |
584 |
case IGNORE: |
585 |
setuid (getuid ()); |
586 |
setgid (getgid ()); |
587 |
/* FALLTHROUGH */ |
588 |
case SAVE: |
589 |
/* FALLTHROUGH */ |
590 |
case RESTORE: |
591 |
break; |
592 |
} |
593 |
# endif |
594 |
#endif |
595 |
} |
596 |
|
597 |
#ifdef UTMP_SUPPORT |
598 |
void |
599 |
rxvt_term::privileged_utmp (rxvt_privaction action) |
600 |
{ |
601 |
if ((options & Opt_utmpInhibit) |
602 |
|| !pty.name || !*pty.name) |
603 |
return; |
604 |
|
605 |
rxvt_privileges (RESTORE); |
606 |
|
607 |
if (action == SAVE) |
608 |
makeutent (pty.name, rs[Rs_display_name]); |
609 |
else |
610 |
cleanutent (); |
611 |
|
612 |
rxvt_privileges (IGNORE); |
613 |
} |
614 |
#endif |
615 |
|
616 |
/*----------------------------------------------------------------------*/ |
617 |
/* |
618 |
* window size/position calculcations for XSizeHint and other storage. |
619 |
* if width/height are non-zero then override calculated width/height |
620 |
*/ |
621 |
void |
622 |
rxvt_term::window_calc (unsigned int width, unsigned int height) |
623 |
{ |
624 |
short recalc_x, recalc_y; |
625 |
int x, y, sb_w, mb_h, flags; |
626 |
unsigned int w, h; |
627 |
unsigned int max_width, max_height; |
628 |
|
629 |
D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
630 |
TermWin.ncol, TermWin.nrow, szHint.width, |
631 |
szHint.height)); |
632 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
633 |
szHint.win_gravity = NorthWestGravity; |
634 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
635 |
|
636 |
recalc_x = recalc_y = 0; |
637 |
flags = 0; |
638 |
if (!parsed_geometry) |
639 |
{ |
640 |
parsed_geometry = 1; |
641 |
if (rs[Rs_geometry]) |
642 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
643 |
if (flags & WidthValue) |
644 |
{ |
645 |
TermWin.ncol = BOUND_POSITIVE_INT16 (w); |
646 |
szHint.flags |= USSize; |
647 |
} |
648 |
if (flags & HeightValue) |
649 |
{ |
650 |
TermWin.nrow = BOUND_POSITIVE_INT16 (h); |
651 |
szHint.flags |= USSize; |
652 |
} |
653 |
if (flags & XValue) |
654 |
{ |
655 |
szHint.x = x; |
656 |
szHint.flags |= USPosition; |
657 |
if (flags & XNegative) |
658 |
{ |
659 |
recalc_x = 1; |
660 |
szHint.win_gravity = NorthEastGravity; |
661 |
} |
662 |
} |
663 |
if (flags & YValue) |
664 |
{ |
665 |
szHint.y = y; |
666 |
szHint.flags |= USPosition; |
667 |
if (flags & YNegative) |
668 |
{ |
669 |
recalc_y = 1; |
670 |
if (szHint.win_gravity == NorthEastGravity) |
671 |
szHint.win_gravity = SouthEastGravity; |
672 |
else |
673 |
szHint.win_gravity = SouthWestGravity; |
674 |
} |
675 |
} |
676 |
} |
677 |
|
678 |
/* TODO: BOUNDS */ |
679 |
TermWin.width = TermWin.ncol * TermWin.fwidth; |
680 |
TermWin.height = TermWin.nrow * TermWin.fheight; |
681 |
max_width = MAX_COLS * TermWin.fwidth; |
682 |
max_height = MAX_ROWS * TermWin.fheight; |
683 |
|
684 |
szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; |
685 |
|
686 |
sb_w = mb_h = 0; |
687 |
window_vt_x = window_vt_y = TermWin.int_bwidth; |
688 |
|
689 |
if (scrollbar_visible ()) |
690 |
{ |
691 |
sb_w = scrollbar_TotalWidth (); |
692 |
szHint.base_width += sb_w; |
693 |
if (!(options & Opt_scrollBar_right)) |
694 |
window_vt_x += sb_w; |
695 |
} |
696 |
|
697 |
if (menubar_visible ()) |
698 |
{ |
699 |
mb_h = menuBar_TotalHeight (); |
700 |
szHint.base_height += mb_h; |
701 |
window_vt_y += mb_h; |
702 |
} |
703 |
|
704 |
szHint.width_inc = TermWin.fwidth; |
705 |
szHint.height_inc = TermWin.fheight; |
706 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
707 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
708 |
|
709 |
if (width && width - szHint.base_width < max_width) |
710 |
{ |
711 |
szHint.width = width; |
712 |
TermWin.width = width - szHint.base_width; |
713 |
} |
714 |
else |
715 |
{ |
716 |
MIN_IT (TermWin.width, max_width); |
717 |
szHint.width = szHint.base_width + TermWin.width; |
718 |
} |
719 |
|
720 |
if (height && height - szHint.base_height < max_height) |
721 |
{ |
722 |
szHint.height = height; |
723 |
TermWin.height = height - szHint.base_height; |
724 |
} |
725 |
else |
726 |
{ |
727 |
MIN_IT (TermWin.height, max_height); |
728 |
szHint.height = szHint.base_height + TermWin.height; |
729 |
} |
730 |
|
731 |
if (scrollbar_visible () && (options & Opt_scrollBar_right)) |
732 |
window_sb_x = szHint.width - sb_w; |
733 |
|
734 |
if (recalc_x) |
735 |
szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display)) |
736 |
- szHint.width - 2 * TermWin.ext_bwidth); |
737 |
if (recalc_y) |
738 |
szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display)) |
739 |
- szHint.height - 2 * TermWin.ext_bwidth); |
740 |
|
741 |
TermWin.ncol = TermWin.width / TermWin.fwidth; |
742 |
TermWin.nrow = TermWin.height / TermWin.fheight; |
743 |
D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
744 |
TermWin.ncol, TermWin.nrow, szHint.width, |
745 |
szHint.height)); |
746 |
return; |
747 |
} |
748 |
|
749 |
/*----------------------------------------------------------------------*/ |
750 |
/* |
751 |
* Tell the teletype handler what size the window is. |
752 |
* Called after a window size change. |
753 |
*/ |
754 |
void |
755 |
rxvt_term::tt_winch () |
756 |
{ |
757 |
if (pty.pty < 0) |
758 |
return; |
759 |
|
760 |
struct winsize ws; |
761 |
|
762 |
ws.ws_col = TermWin.ncol; |
763 |
ws.ws_row = TermWin.nrow; |
764 |
ws.ws_xpixel = TermWin.width; |
765 |
ws.ws_ypixel = TermWin.height; |
766 |
(void)ioctl (pty.pty, TIOCSWINSZ, &ws); |
767 |
|
768 |
#if 0 |
769 |
// TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
770 |
if (cmd_pid) /* force through to the command */ |
771 |
kill (cmd_pid, SIGWINCH); |
772 |
#endif |
773 |
} |
774 |
|
775 |
/*----------------------------------------------------------------------*/ |
776 |
/* set_fonts () - load and set the various fonts |
777 |
/* |
778 |
* init = 1 - initialize |
779 |
* |
780 |
* fontname == FONT_UP - switch to bigger font |
781 |
* fontname == FONT_DN - switch to smaller font |
782 |
*/ |
783 |
bool |
784 |
rxvt_term::set_fonts () |
785 |
{ |
786 |
rxvt_fontset *fs = new rxvt_fontset (this); |
787 |
rxvt_fontprop prop; |
788 |
|
789 |
if (!fs |
790 |
|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed") |
791 |
|| !fs->realize_font (1)) |
792 |
{ |
793 |
delete fs; |
794 |
return false; |
795 |
} |
796 |
|
797 |
#if ENABLE_STYLES |
798 |
for (int i = RS_styleCount; --i; ) |
799 |
if (TermWin.fontset[i] != TermWin.fontset[0]) |
800 |
delete TermWin.fontset[i]; |
801 |
#endif |
802 |
|
803 |
delete TermWin.fontset[0]; |
804 |
TermWin.fontset[0] = fs; |
805 |
|
806 |
prop = (*fs)[1]->properties (); |
807 |
prop.height += TermWin.lineSpace; |
808 |
fs->set_prop (prop); |
809 |
|
810 |
TermWin.fwidth = prop.width; |
811 |
TermWin.fheight = prop.height; |
812 |
TermWin.fweight = prop.weight; |
813 |
TermWin.fslant = prop.slant; |
814 |
TermWin.fbase = (*fs)[1]->ascent; |
815 |
|
816 |
for (int style = 1; style < 4; style++) |
817 |
{ |
818 |
#if ENABLE_STYLES |
819 |
const char *res = rs[Rs_font + style]; |
820 |
|
821 |
if (res && !*res) |
822 |
TermWin.fontset[style] = TermWin.fontset[0]; |
823 |
else |
824 |
{ |
825 |
TermWin.fontset[style] = fs = new rxvt_fontset (this); |
826 |
rxvt_fontprop prop2 = prop; |
827 |
|
828 |
if (res) |
829 |
prop2.weight = prop2.slant = rxvt_fontprop::unset; |
830 |
else |
831 |
{ |
832 |
res = TermWin.fontset[0]->fontdesc; |
833 |
|
834 |
if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold; |
835 |
if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic; |
836 |
} |
837 |
|
838 |
fs->populate (res); |
839 |
fs->set_prop (prop2); |
840 |
} |
841 |
#else |
842 |
TermWin.fontset[style] = TermWin.fontset[0]; |
843 |
#endif |
844 |
} |
845 |
|
846 |
if (TermWin.parent[0]) |
847 |
{ |
848 |
resize_all_windows (0, 0, 0); |
849 |
scr_remap_chars (); |
850 |
scr_touch (true); |
851 |
} |
852 |
|
853 |
return true; |
854 |
} |
855 |
|
856 |
void rxvt_term::set_string_property (Atom prop, const char *str, int len) |
857 |
{ |
858 |
// TODO: SMART_WINDOW_TITLE |
859 |
XChangeProperty (display->display, TermWin.parent[0], |
860 |
prop, XA_STRING, 8, PropModeReplace, |
861 |
(const unsigned char *)str, len >= 0 ? len : strlen (str)); |
862 |
} |
863 |
|
864 |
void rxvt_term::set_utf8_property (Atom prop, const char *str, int len) |
865 |
{ |
866 |
// TODO: SMART_WINDOW_TITLE |
867 |
wchar_t *ws = rxvt_mbstowcs (str, len); |
868 |
char *s = rxvt_wcstoutf8 (ws); |
869 |
|
870 |
XChangeProperty (display->display, TermWin.parent[0], |
871 |
prop, xa[XA_UTF8_STRING], 8, PropModeReplace, |
872 |
(const unsigned char *)s, strlen (s)); |
873 |
|
874 |
free (s); |
875 |
free (ws); |
876 |
} |
877 |
|
878 |
/*----------------------------------------------------------------------*/ |
879 |
/*----------------------------------------------------------------------*/ |
880 |
/* xterm sequences - title, iconName, color (exptl) */ |
881 |
void |
882 |
rxvt_term::set_title (const char *str) |
883 |
{ |
884 |
set_string_property (XA_WM_NAME, str); |
885 |
#if ENABLE_FRILLS |
886 |
set_utf8_property (xa[XA_NET_WM_NAME], str); |
887 |
#endif |
888 |
} |
889 |
|
890 |
void |
891 |
rxvt_term::set_icon_name (const char *str) |
892 |
{ |
893 |
set_string_property (XA_WM_ICON_NAME, str); |
894 |
#if ENABLE_FRILLS |
895 |
set_utf8_property (xa[XA_NET_WM_ICON_NAME], str); |
896 |
#endif |
897 |
} |
898 |
|
899 |
#ifdef XTERM_COLOR_CHANGE |
900 |
void |
901 |
rxvt_term::set_window_color (int idx, const char *color) |
902 |
{ |
903 |
rxvt_color xcol; |
904 |
int i; |
905 |
|
906 |
if (color == NULL || *color == '\0') |
907 |
return; |
908 |
|
909 |
/* handle color aliases */ |
910 |
if (isdigit (*color)) |
911 |
{ |
912 |
i = atoi (color); |
913 |
if (i >= 8 && i <= 15) |
914 |
{ /* bright colors */ |
915 |
i -= 8; |
916 |
# ifndef NO_BRIGHTCOLOR |
917 |
pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i]; |
918 |
SET_PIXCOLOR (idx); |
919 |
goto Done; |
920 |
# endif |
921 |
|
922 |
} |
923 |
if (i >= 0 && i <= 7) |
924 |
{ /* normal colors */ |
925 |
pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i]; |
926 |
SET_PIXCOLOR (idx); |
927 |
goto Done; |
928 |
} |
929 |
} |
930 |
|
931 |
if (!rXParseAllocColor (& xcol, color)) |
932 |
return; |
933 |
|
934 |
/* XStoreColor (display->display, display->cmap, XColor*); */ |
935 |
|
936 |
/* |
937 |
* FIXME: should free colors here, but no idea how to do it so instead, |
938 |
* so just keep gobbling up the colormap |
939 |
*/ |
940 |
# if 0 |
941 |
for (i = Color_Black; i <= Color_White; i++) |
942 |
if (pix_colors[idx] == pix_colors[i]) |
943 |
break; |
944 |
if (i > Color_White) |
945 |
{ |
946 |
/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */ |
947 |
XFreeColors (display->display, display->cmap, (pix_colors + idx), 1, |
948 |
DisplayPlanes (display->display, display->screen)); |
949 |
} |
950 |
# endif |
951 |
|
952 |
pix_colors_focused[idx] = xcol; |
953 |
SET_PIXCOLOR (idx); |
954 |
|
955 |
/* XSetWindowAttributes attr; */ |
956 |
/* Cursor cursor; */ |
957 |
Done: |
958 |
#ifdef OFF_FOCUS_FADING |
959 |
if (rs[Rs_fade]) |
960 |
pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade])); |
961 |
#endif |
962 |
|
963 |
/*TODO: handle Color_BD, scrollbar background, etc. */ |
964 |
|
965 |
recolour_cursor (); |
966 |
scr_recolour (); |
967 |
} |
968 |
|
969 |
#else |
970 |
# define set_window_color (idx,color) ((void)0) |
971 |
#endif /* XTERM_COLOR_CHANGE */ |
972 |
|
973 |
void |
974 |
rxvt_term::recolour_cursor () |
975 |
{ |
976 |
XColor xcol[2]; |
977 |
|
978 |
xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) |
979 |
? pix_colors_focused[Color_pointer_fg] |
980 |
: pix_colors_focused[Color_fg]; |
981 |
xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) |
982 |
? pix_colors_focused[Color_pointer_bg] |
983 |
: pix_colors_focused[Color_bg]; |
984 |
|
985 |
XQueryColors (display->display, display->cmap, xcol, 2); |
986 |
XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1); |
987 |
} |
988 |
|
989 |
/*----------------------------------------------------------------------*/ |
990 |
/* |
991 |
* find if fg/bg matches any of the normal (low-intensity) colors |
992 |
*/ |
993 |
void |
994 |
rxvt_term::set_colorfgbg () |
995 |
{ |
996 |
unsigned int i; |
997 |
const char *xpmb = "\0"; |
998 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
999 |
|
1000 |
env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1); |
1001 |
strcpy (fstr, "default"); |
1002 |
strcpy (bstr, "default"); |
1003 |
for (i = Color_Black; i <= Color_White; i++) |
1004 |
if (pix_colors[Color_fg] == pix_colors[i]) |
1005 |
{ |
1006 |
sprintf (fstr, "%d", (i - Color_Black)); |
1007 |
break; |
1008 |
} |
1009 |
|
1010 |
for (i = Color_Black; i <= Color_White; i++) |
1011 |
if (pix_colors[Color_bg] == pix_colors[i]) |
1012 |
{ |
1013 |
sprintf (bstr, "%d", (i - Color_Black)); |
1014 |
#ifdef XPM_BACKGROUND |
1015 |
xpmb = "default;"; |
1016 |
#endif |
1017 |
break; |
1018 |
} |
1019 |
|
1020 |
sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
1021 |
} |
1022 |
|
1023 |
/*----------------------------------------------------------------------*/ |
1024 |
|
1025 |
int |
1026 |
rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) |
1027 |
{ |
1028 |
if (!screen_in_out->set (display, colour)) |
1029 |
{ |
1030 |
rxvt_warn ("can't get colour '%s', continuing without.\n", colour); |
1031 |
return false; |
1032 |
} |
1033 |
|
1034 |
return true; |
1035 |
} |
1036 |
|
1037 |
/* -------------------------------------------------------------------- * |
1038 |
* - WINDOW RESIZING - * |
1039 |
* -------------------------------------------------------------------- */ |
1040 |
void |
1041 |
rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) |
1042 |
{ |
1043 |
int fix_screen; |
1044 |
|
1045 |
#ifdef SMART_RESIZE |
1046 |
int old_width = szHint.width, old_height = szHint.height; |
1047 |
#endif |
1048 |
|
1049 |
window_calc (width, height); |
1050 |
XSetWMNormalHints (display->display, TermWin.parent[0], &szHint); |
1051 |
|
1052 |
if (!ignoreparent) |
1053 |
{ |
1054 |
#ifdef SMART_RESIZE |
1055 |
/* |
1056 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
1057 |
* reposition window on resize depending on placement on screen |
1058 |
*/ |
1059 |
int x, y, x1, y1; |
1060 |
int dx, dy; |
1061 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
1062 |
Window unused_cr; |
1063 |
|
1064 |
XTranslateCoordinates (display->display, TermWin.parent[0], display->root, |
1065 |
0, 0, &x, &y, &unused_cr); |
1066 |
XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1, |
1067 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
1068 |
/* |
1069 |
* if display->root isn't the parent window, a WM will probably have offset |
1070 |
* our position for handles and decorations. Counter it |
1071 |
*/ |
1072 |
if (x1 != x || y1 != y) |
1073 |
{ |
1074 |
x -= x1; |
1075 |
y -= y1; |
1076 |
} |
1077 |
|
1078 |
x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2; |
1079 |
y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2; |
1080 |
dx = old_width - szHint.width; |
1081 |
dy = old_height - szHint.height; |
1082 |
|
1083 |
/* Check position of the center of the window */ |
1084 |
if (x < x1) /* left half */ |
1085 |
dx = 0; |
1086 |
else if (x == x1) /* exact center */ |
1087 |
dx /= 2; |
1088 |
if (y < y1) /* top half */ |
1089 |
dy = 0; |
1090 |
else if (y == y1) /* exact center */ |
1091 |
dy /= 2; |
1092 |
|
1093 |
XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy, |
1094 |
szHint.width, szHint.height); |
1095 |
#else |
1096 |
XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height); |
1097 |
#endif |
1098 |
} |
1099 |
|
1100 |
fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow; |
1101 |
|
1102 |
if (fix_screen || width != old_width || height != old_height) |
1103 |
{ |
1104 |
if (scrollbar_visible ()) |
1105 |
{ |
1106 |
XMoveResizeWindow (display->display, scrollBar.win, |
1107 |
window_sb_x, 0, |
1108 |
scrollbar_TotalWidth (), szHint.height); |
1109 |
resize_scrollbar (); |
1110 |
} |
1111 |
|
1112 |
if (menubar_visible ()) |
1113 |
XMoveResizeWindow (display->display, menuBar.win, |
1114 |
window_vt_x, 0, |
1115 |
TermWin_TotalWidth (), menuBar_TotalHeight ()); |
1116 |
|
1117 |
XMoveResizeWindow (display->display, TermWin.vt, |
1118 |
window_vt_x, window_vt_y, |
1119 |
TermWin_TotalWidth (), TermWin_TotalHeight ()); |
1120 |
scr_clear (); |
1121 |
#ifdef XPM_BACKGROUND |
1122 |
resize_pixmap (); |
1123 |
#endif |
1124 |
} |
1125 |
|
1126 |
if (fix_screen || old_height == 0) |
1127 |
{ |
1128 |
int curr_screen = -1; |
1129 |
int old_ncol = prev_ncol; |
1130 |
|
1131 |
/* scr_reset only works on the primary screen */ |
1132 |
if (old_height) /* this is not the first time through */ |
1133 |
{ |
1134 |
unsigned int ncol = TermWin.ncol; |
1135 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
1136 |
curr_screen = scr_change_screen (PRIMARY); |
1137 |
TermWin.ncol = ncol; |
1138 |
} |
1139 |
|
1140 |
scr_reset (); |
1141 |
|
1142 |
if (curr_screen >= 0) /* this is not the first time through */ |
1143 |
{ |
1144 |
scr_change_screen (curr_screen); |
1145 |
selection_check (old_ncol != TermWin.ncol ? 4 : 0); |
1146 |
} |
1147 |
} |
1148 |
|
1149 |
old_width = szHint.width; |
1150 |
old_height = szHint.height; |
1151 |
|
1152 |
#ifdef USE_XIM |
1153 |
IMSetStatusPosition (); |
1154 |
#endif |
1155 |
} |
1156 |
|
1157 |
/* |
1158 |
* Set the width/height of the vt window in characters. Units are pixels. |
1159 |
* good for toggling 80/132 columns |
1160 |
*/ |
1161 |
void |
1162 |
rxvt_term::set_widthheight (unsigned int width, unsigned int height) |
1163 |
{ |
1164 |
XWindowAttributes wattr; |
1165 |
|
1166 |
if (width == 0 || height == 0) |
1167 |
{ |
1168 |
XGetWindowAttributes (display->display, display->root, &wattr); |
1169 |
if (width == 0) |
1170 |
width = wattr.width - szHint.base_width; |
1171 |
if (height == 0) |
1172 |
height = wattr.height - szHint.base_height; |
1173 |
} |
1174 |
|
1175 |
if (width != TermWin.width || height != TermWin.height) |
1176 |
{ |
1177 |
width += szHint.base_width; |
1178 |
height += szHint.base_height; |
1179 |
resize_all_windows (width, height, 0); |
1180 |
} |
1181 |
} |
1182 |
|
1183 |
/* -------------------------------------------------------------------- * |
1184 |
* - X INPUT METHOD ROUTINES - * |
1185 |
* -------------------------------------------------------------------- */ |
1186 |
#ifdef USE_XIM |
1187 |
|
1188 |
void |
1189 |
rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg) |
1190 |
{ |
1191 |
fg = pix_colors[Color_fg]; |
1192 |
bg = pix_colors[Color_bg]; |
1193 |
} |
1194 |
|
1195 |
void |
1196 |
rxvt_term::im_set_size (XRectangle &size) |
1197 |
{ |
1198 |
// the int_bwidth terms make no sense to me |
1199 |
size.x = TermWin.int_bwidth; |
1200 |
size.y = TermWin.int_bwidth; |
1201 |
size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth; |
1202 |
size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth; |
1203 |
} |
1204 |
|
1205 |
void |
1206 |
rxvt_term::im_set_preedit_area (XRectangle &preedit_rect, |
1207 |
XRectangle &status_rect, |
1208 |
const XRectangle &needed_rect) |
1209 |
{ |
1210 |
preedit_rect.x = needed_rect.width; |
1211 |
preedit_rect.y = 0; |
1212 |
preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1; |
1213 |
preedit_rect.height = TermWin.fheight; |
1214 |
|
1215 |
status_rect.x = 0; |
1216 |
status_rect.y = 0; |
1217 |
status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1; |
1218 |
status_rect.height = TermWin.fheight; |
1219 |
} |
1220 |
|
1221 |
/* Checking whether input method is running. */ |
1222 |
bool |
1223 |
rxvt_term::IMisRunning () |
1224 |
{ |
1225 |
char *p; |
1226 |
Atom atom; |
1227 |
Window win; |
1228 |
char server[IMBUFSIZ]; |
1229 |
|
1230 |
/* get current locale modifier */ |
1231 |
if ((p = XSetLocaleModifiers (NULL)) != NULL) |
1232 |
{ |
1233 |
strcpy (server, "@server="); |
1234 |
strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1235 |
|
1236 |
if ((p = strchr (server + 1, '@')) != NULL) /* first one only */ |
1237 |
*p = '\0'; |
1238 |
|
1239 |
atom = XInternAtom (display->display, server, False); |
1240 |
win = XGetSelectionOwner (display->display, atom); |
1241 |
|
1242 |
if (win != None) |
1243 |
return True; |
1244 |
} |
1245 |
|
1246 |
return False; |
1247 |
} |
1248 |
|
1249 |
void |
1250 |
rxvt_term::IMSendSpot () |
1251 |
{ |
1252 |
XPoint nspot; |
1253 |
XVaNestedList preedit_attr; |
1254 |
|
1255 |
if (!Input_Context |
1256 |
|| !TermWin.focus |
1257 |
|| !(input_style & XIMPreeditPosition)) |
1258 |
return; |
1259 |
|
1260 |
im_set_position (nspot); |
1261 |
|
1262 |
if (nspot.x == spot.x && nspot.y == spot.y) |
1263 |
return; |
1264 |
|
1265 |
spot = nspot; |
1266 |
|
1267 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1268 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1269 |
XFree (preedit_attr); |
1270 |
} |
1271 |
|
1272 |
void |
1273 |
rxvt_term::im_destroy () |
1274 |
{ |
1275 |
if (input_method) |
1276 |
{ |
1277 |
if (Input_Context && input_method->xim) |
1278 |
XDestroyIC (Input_Context); |
1279 |
|
1280 |
display->put_xim (input_method); |
1281 |
input_method = 0; |
1282 |
} |
1283 |
|
1284 |
Input_Context = 0; |
1285 |
} |
1286 |
|
1287 |
/* |
1288 |
* Try to open a XIM with the current modifiers, then see if we can |
1289 |
* open a suitable preedit type |
1290 |
*/ |
1291 |
bool |
1292 |
rxvt_term::IM_get_IC (const char *modifiers) |
1293 |
{ |
1294 |
int i, j, found; |
1295 |
XIM xim; |
1296 |
XPoint spot; |
1297 |
XRectangle rect, status_rect, needed_rect; |
1298 |
unsigned long fg, bg; |
1299 |
const char *p; |
1300 |
char **s; |
1301 |
XIMStyles *xim_styles; |
1302 |
|
1303 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1304 |
return false; |
1305 |
|
1306 |
D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1307 |
input_method = display->get_xim (locale, modifiers); |
1308 |
if (input_method == NULL) |
1309 |
return false; |
1310 |
|
1311 |
xim = input_method->xim; |
1312 |
spot.x = spot.y = -1; |
1313 |
|
1314 |
xim_styles = NULL; |
1315 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1316 |
|| !xim_styles || !xim_styles->count_styles) |
1317 |
{ |
1318 |
im_destroy (); |
1319 |
return false; |
1320 |
} |
1321 |
|
1322 |
const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" }; |
1323 |
|
1324 |
for (int pi = 0; pi < 2; pi++) |
1325 |
{ |
1326 |
p = pet[pi]; |
1327 |
|
1328 |
if (!p) |
1329 |
continue; |
1330 |
|
1331 |
s = rxvt_splitcommastring (p); |
1332 |
|
1333 |
for (i = found = 0; !found && s[i]; i++) |
1334 |
{ |
1335 |
if (!strcmp (s[i], "OverTheSpot")) |
1336 |
input_style = (XIMPreeditPosition | XIMStatusNothing); |
1337 |
else if (!strcmp (s[i], "OffTheSpot")) |
1338 |
input_style = (XIMPreeditArea | XIMStatusArea); |
1339 |
else if (!strcmp (s[i], "Root")) |
1340 |
input_style = (XIMPreeditNothing | XIMStatusNothing); |
1341 |
else if (!strcmp (s[i], "None")) |
1342 |
input_style = (XIMPreeditNone | XIMStatusNone); |
1343 |
|
1344 |
for (j = 0; j < xim_styles->count_styles; j++) |
1345 |
if (input_style == xim_styles->supported_styles[j]) |
1346 |
{ |
1347 |
rxvt_freecommastring (s); |
1348 |
|
1349 |
found = 1; |
1350 |
goto foundpet; |
1351 |
} |
1352 |
|
1353 |
} |
1354 |
|
1355 |
rxvt_freecommastring (s); |
1356 |
} |
1357 |
|
1358 |
foundpet: |
1359 |
|
1360 |
XFree (xim_styles); |
1361 |
|
1362 |
if (!found) |
1363 |
{ |
1364 |
im_destroy (); |
1365 |
return false; |
1366 |
} |
1367 |
|
1368 |
XFontSet fs = 0; |
1369 |
XVaNestedList preedit_attr = 0, status_attr = 0; |
1370 |
|
1371 |
if (input_style & (XIMPreeditPosition | XIMPreeditArea)) |
1372 |
{ |
1373 |
// fake us a font-set, please |
1374 |
char **missing_charset_list; |
1375 |
int missing_charset_count; |
1376 |
char *def_string; |
1377 |
char pat[512]; |
1378 |
|
1379 |
sprintf (pat, |
1380 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1381 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1382 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1383 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1384 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1385 |
"*", |
1386 |
TermWin.fheight, |
1387 |
TermWin.fheight + 1, TermWin.fheight - 1, |
1388 |
TermWin.fheight - 2, TermWin.fheight + 2); |
1389 |
|
1390 |
fs = XCreateFontSet (display->display, pat, |
1391 |
&missing_charset_list, &missing_charset_count, &def_string); |
1392 |
|
1393 |
if (missing_charset_list) |
1394 |
XFreeStringList (missing_charset_list); |
1395 |
|
1396 |
if (!fs) |
1397 |
{ |
1398 |
input_style &= ~(XIMPreeditPosition | XIMPreeditArea); |
1399 |
rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n"); |
1400 |
} |
1401 |
} |
1402 |
|
1403 |
if (input_style & XIMPreeditPosition) |
1404 |
{ |
1405 |
im_set_size (rect); |
1406 |
im_set_position (spot); |
1407 |
im_set_color (fg, bg); |
1408 |
|
1409 |
preedit_attr = XVaCreateNestedList (0, |
1410 |
XNForeground, fg, |
1411 |
XNBackground, bg, |
1412 |
XNArea, &rect, |
1413 |
XNSpotLocation, &spot, |
1414 |
XNFontSet, fs, |
1415 |
NULL); |
1416 |
} |
1417 |
else if (input_style & XIMPreeditArea) |
1418 |
{ |
1419 |
im_set_color (fg, bg); |
1420 |
|
1421 |
/* |
1422 |
* The necessary width of preedit area is unknown |
1423 |
* until create input context. |
1424 |
*/ |
1425 |
needed_rect.width = 0; |
1426 |
im_set_preedit_area (rect, status_rect, needed_rect); |
1427 |
|
1428 |
preedit_attr = XVaCreateNestedList (0, |
1429 |
XNForeground, fg, |
1430 |
XNBackground, bg, |
1431 |
XNArea, &rect, |
1432 |
XNFontSet, fs, |
1433 |
NULL); |
1434 |
status_attr = XVaCreateNestedList (0, |
1435 |
XNForeground, fg, |
1436 |
XNBackground, bg, |
1437 |
XNArea, &status_rect, |
1438 |
XNFontSet, fs, |
1439 |
NULL); |
1440 |
} |
1441 |
|
1442 |
Input_Context = XCreateIC (xim, |
1443 |
XNInputStyle, input_style, |
1444 |
XNClientWindow, TermWin.vt, |
1445 |
XNFocusWindow, TermWin.parent[0], |
1446 |
preedit_attr ? XNPreeditAttributes : NULL, |
1447 |
preedit_attr, |
1448 |
status_attr ? XNStatusAttributes : NULL, |
1449 |
status_attr, NULL); |
1450 |
|
1451 |
if (preedit_attr) XFree (preedit_attr); |
1452 |
if (status_attr) XFree (status_attr); |
1453 |
if (fs) XFreeFontSet (display->display, fs); |
1454 |
|
1455 |
if (Input_Context == NULL) |
1456 |
{ |
1457 |
rxvt_warn ("failed to create input context, continuing without XIM.\n"); |
1458 |
im_destroy (); |
1459 |
return false; |
1460 |
} |
1461 |
|
1462 |
if (input_style & XIMPreeditArea) |
1463 |
IMSetStatusPosition (); |
1464 |
|
1465 |
D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection")); |
1466 |
return true; |
1467 |
} |
1468 |
|
1469 |
void |
1470 |
rxvt_term::im_cb () |
1471 |
{ |
1472 |
int i, found, had_im; |
1473 |
const char *p; |
1474 |
char **s; |
1475 |
char buf[IMBUFSIZ]; |
1476 |
|
1477 |
im_destroy (); |
1478 |
|
1479 |
D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1480 |
if (Input_Context) |
1481 |
return; |
1482 |
|
1483 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1484 |
if (rs[Rs_imLocale]) |
1485 |
SET_LOCALE (rs[Rs_imLocale]); |
1486 |
#endif |
1487 |
|
1488 |
p = rs[Rs_inputMethod]; |
1489 |
if (p && *p) |
1490 |
{ |
1491 |
bool found = false; |
1492 |
|
1493 |
s = rxvt_splitcommastring (p); |
1494 |
|
1495 |
for (i = 0; s[i]; i++) |
1496 |
{ |
1497 |
if (*s[i]) |
1498 |
{ |
1499 |
strcpy (buf, "@im="); |
1500 |
strncat (buf, s[i], IMBUFSIZ - 5); |
1501 |
if (IM_get_IC (buf)) |
1502 |
{ |
1503 |
found = true; |
1504 |
break; |
1505 |
} |
1506 |
} |
1507 |
} |
1508 |
|
1509 |
rxvt_freecommastring (s); |
1510 |
|
1511 |
if (found) |
1512 |
goto done; |
1513 |
} |
1514 |
|
1515 |
/* try with XMODIFIERS env. var. */ |
1516 |
if (IM_get_IC ("")) |
1517 |
goto done; |
1518 |
|
1519 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1520 |
if (IM_get_IC ("@im=none")) |
1521 |
goto done; |
1522 |
|
1523 |
done: |
1524 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1525 |
if (rs[Rs_imLocale]) |
1526 |
SET_LOCALE (locale); |
1527 |
#endif |
1528 |
} |
1529 |
|
1530 |
void |
1531 |
rxvt_term::IMSetStatusPosition () |
1532 |
{ |
1533 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1534 |
XVaNestedList preedit_attr, status_attr; |
1535 |
|
1536 |
if (!Input_Context |
1537 |
|| !TermWin.focus |
1538 |
|| !(input_style & XIMPreeditArea) |
1539 |
|| !IMisRunning ()) |
1540 |
return; |
1541 |
|
1542 |
/* Getting the necessary width of preedit area */ |
1543 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1544 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1545 |
XFree (status_attr); |
1546 |
|
1547 |
im_set_preedit_area (preedit_rect, status_rect, *needed_rect); |
1548 |
XFree (needed_rect); |
1549 |
|
1550 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1551 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1552 |
|
1553 |
XSetICValues (Input_Context, |
1554 |
XNPreeditAttributes, preedit_attr, |
1555 |
XNStatusAttributes, status_attr, NULL); |
1556 |
|
1557 |
XFree (preedit_attr); |
1558 |
XFree (status_attr); |
1559 |
} |
1560 |
#endif /* USE_XIM */ |
1561 |
|
1562 |
/*----------------------------------------------------------------------*/ |
1563 |
rxvt_t rxvt_current_term; |
1564 |
|
1565 |
/*----------------------- end-of-file (C source) -----------------------*/ |