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/*--------------------------------*-C-*---------------------------------* |
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* File: main.C |
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*----------------------------------------------------------------------* |
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* |
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* All portions of code are copyright by their respective author/s. |
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* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> |
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* - original version |
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* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> |
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* - extensive modifications |
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* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> |
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* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> |
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* - extensive modifications |
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* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
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* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
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* - extensive modifications |
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* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*---------------------------------------------------------------------*/ |
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|
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#include "../config.h" /* NECESSARY */ |
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#include "rxvt.h" /* NECESSARY */ |
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#include "main.intpro" /* PROTOS for internal routines */ |
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|
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#include <signal.h> |
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|
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#ifdef TTY_GID_SUPPORT |
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# include <grp.h> |
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#endif |
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|
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#ifdef HAVE_TERMIOS_H |
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# include <termios.h> |
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#endif |
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|
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#include <cstring> |
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|
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vector<rxvt_term *> rxvt_term::termlist; |
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|
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static char curlocale[128]; |
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|
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bool |
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rxvt_set_locale (const char *locale) |
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{ |
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if (!locale || !strncmp (locale, curlocale, 128)) |
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return false; |
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|
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strncpy (curlocale, locale, 128); |
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setlocale (LC_CTYPE, curlocale); |
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return true; |
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} |
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|
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#if ENABLE_COMBINING |
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class rxvt_composite_vec rxvt_composite; |
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|
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text_t rxvt_composite_vec::compose (unicode_t c1, unicode_t c2) |
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{ |
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compose_char *cc; |
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|
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// break compose chains, as stupid readline really likes to duplicate |
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// composing characters for some reason near the end of a line. |
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cc = (*this)[c1]; |
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while (cc) |
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{ |
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if (cc->c2 == c2) return c1; |
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cc = (*this)[cc->c1]; |
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} |
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|
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// check to see wether this combination already exists otherwise |
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for (cc = v.end (); cc-- > v.begin (); ) |
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{ |
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if (cc->c1 == c1 && cc->c2 == c2) |
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return COMPOSE_LO + (cc - v.begin ()); |
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} |
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|
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// allocate a new combination |
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if (v.size () == COMPOSE_HI - COMPOSE_LO + 1) |
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{ |
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static int seen; |
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|
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if (!seen++) |
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fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n"); |
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|
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return REPLACEMENT_CHAR; |
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} |
97 |
|
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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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|
103 |
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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|
107 |
if (!cc) |
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{ |
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if (r) *r = c; |
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return 1; |
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} |
112 |
|
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int len = expand (cc->c1, r); |
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|
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if (r) r += len; |
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|
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if (cc->c2 != NOCHAR) |
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{ |
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len++; |
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if (r) *r++ = cc->c2; |
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} |
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|
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return len; |
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|
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} |
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#endif |
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|
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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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|
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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; ) |
190 |
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); |
204 |
#endif |
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#ifdef XTERM_SCROLLBAR |
206 |
if (xscrollbarGC) XFreeGC (display->display, xscrollbarGC); |
207 |
if (ShadowGC) XFreeGC (display->display, ShadowGC); |
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#endif |
209 |
#ifdef PLAIN_SCROLLBAR |
210 |
if (pscrollbarGC) XFreeGC (display->display, pscrollbarGC); |
211 |
#endif |
212 |
#ifdef NEXT_SCROLLBAR |
213 |
if (blackGC) XFreeGC (display->display, blackGC); |
214 |
if (whiteGC) XFreeGC (display->display, whiteGC); |
215 |
if (grayGC) XFreeGC (display->display, grayGC); |
216 |
if (darkGC) XFreeGC (display->display, darkGC); |
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if (stippleGC) XFreeGC (display->display, stippleGC); |
218 |
if (dimple) XFreePixmap (display->display, dimple); |
219 |
if (upArrow) XFreePixmap (display->display, upArrow); |
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if (downArrow) XFreePixmap (display->display, downArrow); |
221 |
if (upArrowHi) XFreePixmap (display->display, upArrowHi); |
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if (downArrowHi) XFreePixmap (display->display, downArrowHi); |
223 |
#endif |
224 |
#if defined(MENUBAR) || defined(RXVT_SCROLLBAR) |
225 |
if (topShadowGC) XFreeGC (display->display, topShadowGC); |
226 |
if (botShadowGC) XFreeGC (display->display, botShadowGC); |
227 |
if (scrollbarGC) XFreeGC (display->display, scrollbarGC); |
228 |
#endif |
229 |
if (TermWin.gc) XFreeGC (display->display, TermWin.gc); |
230 |
|
231 |
#if defined(MENUBAR) && (MENUBAR_MAX > 1) |
232 |
delete menuBar.drawable; |
233 |
//if (menuBar.win) |
234 |
// XDestroyWindow (display->display, menuBar.win); |
235 |
#endif |
236 |
delete TermWin.drawable; |
237 |
// destroy all windows |
238 |
if (TermWin.parent[0]) |
239 |
XDestroyWindow (display->display, TermWin.parent[0]); |
240 |
} |
241 |
|
242 |
// TODO: free pixcolours, colours should become part of rxvt_display |
243 |
|
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delete pix_colors_focused; |
245 |
#ifdef OFF_FOCUS_FADING |
246 |
delete pix_colors_unfocused; |
247 |
#endif |
248 |
|
249 |
displays.put (display); |
250 |
|
251 |
scr_release (); |
252 |
|
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/* clear all resources */ |
254 |
for (int i = 0; i < allocated.size (); i++) |
255 |
free (allocated[i]); |
256 |
|
257 |
free (selection.text); |
258 |
// TODO: manage env vars in child only(!) |
259 |
free (env_windowid); |
260 |
free (env_display); |
261 |
free (env_term); |
262 |
free (env_colorfgbg); |
263 |
free (locale); |
264 |
#if 0 |
265 |
free (codeset); |
266 |
#endif |
267 |
|
268 |
delete envv; |
269 |
delete argv; |
270 |
} |
271 |
|
272 |
void |
273 |
rxvt_term::destroy () |
274 |
{ |
275 |
if (destroy_ev.active) |
276 |
return; |
277 |
|
278 |
#if ENABLE_OVERLAY |
279 |
scr_overlay_off (); |
280 |
#endif |
281 |
|
282 |
if (display) |
283 |
{ |
284 |
#if USE_XIM |
285 |
im_ev.stop (display); |
286 |
#endif |
287 |
#if HAVE_SCROLLBARS |
288 |
scrollbar_ev.stop (display); |
289 |
#endif |
290 |
#if MENUBAR |
291 |
menubar_ev.stop (display); |
292 |
#endif |
293 |
#if TRANSPARENT |
294 |
rootwin_ev.stop (display); |
295 |
#endif |
296 |
incr_ev.stop (); |
297 |
termwin_ev.stop (display); |
298 |
vt_ev.stop (display); |
299 |
} |
300 |
|
301 |
check_ev.stop (); |
302 |
pty_ev.stop (); |
303 |
#ifdef CURSOR_BLINK |
304 |
cursor_blink_ev.stop (); |
305 |
#endif |
306 |
#ifdef TEXT_BLINK |
307 |
text_blink_ev.stop (); |
308 |
#endif |
309 |
#ifndef NO_SCROLLBAR_BUTTON_CONTINUAL_SCROLLING |
310 |
cont_scroll_ev.stop (); |
311 |
#endif |
312 |
#ifdef SELECTION_SCROLLING |
313 |
sel_scroll_ev.stop (); |
314 |
#endif |
315 |
#ifdef POINTER_BLANK |
316 |
pointer_ev.stop (); |
317 |
#endif |
318 |
|
319 |
destroy_ev.start (0); |
320 |
} |
321 |
|
322 |
void |
323 |
rxvt_term::destroy_cb (time_watcher &w) |
324 |
{ |
325 |
SET_R (this); |
326 |
|
327 |
delete this; |
328 |
} |
329 |
|
330 |
/*----------------------------------------------------------------------*/ |
331 |
/* rxvt_init () */ |
332 |
bool |
333 |
rxvt_term::init (int argc, const char *const *argv) |
334 |
{ |
335 |
SET_R (this); |
336 |
|
337 |
if (!init_vars ()) |
338 |
return false; |
339 |
|
340 |
init_secondary (); |
341 |
|
342 |
const char **cmd_argv = init_resources (argc, argv); |
343 |
|
344 |
set_locale (""); |
345 |
|
346 |
#if MENUBAR_MAX |
347 |
menubar_read (rs[Rs_menu]); |
348 |
#endif |
349 |
#ifdef HAVE_SCROLLBARS |
350 |
if (options & Opt_scrollBar) |
351 |
scrollBar.setIdle (); /* set existence for size calculations */ |
352 |
#endif |
353 |
|
354 |
create_windows (argc, argv); |
355 |
|
356 |
init_xlocale (); |
357 |
|
358 |
scr_reset (); /* initialize screen */ |
359 |
|
360 |
#if 0 |
361 |
XSynchronize (display->display, True); |
362 |
#endif |
363 |
|
364 |
#ifdef HAVE_SCROLLBARS |
365 |
if (options & Opt_scrollBar) |
366 |
resize_scrollbar (); /* create and map scrollbar */ |
367 |
#endif |
368 |
#if (MENUBAR_MAX) |
369 |
if (menubar_visible ()) |
370 |
XMapWindow (display->display, menuBar.win); |
371 |
#endif |
372 |
#ifdef TRANSPARENT |
373 |
if (options & Opt_transparent) |
374 |
{ |
375 |
XSelectInput (display->display, display->root, PropertyChangeMask); |
376 |
check_our_parents (); |
377 |
rootwin_ev.start (display, display->root); |
378 |
} |
379 |
#endif |
380 |
|
381 |
XMapWindow (display->display, TermWin.vt); |
382 |
XMapWindow (display->display, TermWin.parent[0]); |
383 |
|
384 |
set_colorfgbg (); |
385 |
|
386 |
init_command (cmd_argv); |
387 |
|
388 |
pty_ev.start (pty.pty, EVENT_READ); |
389 |
|
390 |
check_ev.start (); |
391 |
|
392 |
return true; |
393 |
} |
394 |
|
395 |
static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event); |
396 |
|
397 |
void |
398 |
rxvt_init () |
399 |
{ |
400 |
/* |
401 |
* Save and then give up any super-user privileges |
402 |
* If we need privileges in any area then we must specifically request it. |
403 |
* We should only need to be root in these cases: |
404 |
* 1. write utmp entries on some systems |
405 |
* 2. chown tty on some systems |
406 |
*/ |
407 |
rxvt_privileges (SAVE); |
408 |
rxvt_privileges (IGNORE); |
409 |
|
410 |
signal (SIGHUP, SIG_IGN); |
411 |
signal (SIGPIPE, SIG_IGN); |
412 |
|
413 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
414 |
/* signal (SIGURG, SIG_DFL); */ |
415 |
|
416 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
417 |
// TODO: handle this with exceptions and tolerate the memory loss |
418 |
//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler); |
419 |
} |
420 |
|
421 |
/* ------------------------------------------------------------------------- * |
422 |
* SIGNAL HANDLING & EXIT HANDLER * |
423 |
* ------------------------------------------------------------------------- */ |
424 |
/* |
425 |
* Catch a SIGCHLD signal and exit if the direct child has died |
426 |
*/ |
427 |
|
428 |
void |
429 |
rxvt_term::sig_chld (sig_watcher &w) |
430 |
{ |
431 |
// we are being called for every SIGCHLD, not just ours |
432 |
int pid; |
433 |
|
434 |
while ((pid = waitpid (-1, NULL, WNOHANG)) > 0) |
435 |
for (rxvt_term **t = termlist.begin (); t < termlist.end (); t++) |
436 |
if (pid == (*t)->cmd_pid) |
437 |
{ |
438 |
(*t)->destroy (); |
439 |
break; |
440 |
} |
441 |
} |
442 |
|
443 |
/*----------------------------------------------------------------------*/ |
444 |
/* |
445 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
446 |
* TODO: if debugging, this should free up any known resources if we can |
447 |
*/ |
448 |
void |
449 |
rxvt_destroy_all () |
450 |
{ |
451 |
// TODO: rxvtd should clean up all ressources |
452 |
for (rxvt_term **t = rxvt_term::termlist.begin (); t < rxvt_term::termlist.end (); t++) |
453 |
(*t)->destroy (); |
454 |
} |
455 |
|
456 |
/* |
457 |
* Catch a fatal signal and tidy up before quitting |
458 |
*/ |
459 |
void |
460 |
rxvt_term::sig_term (sig_watcher &w) |
461 |
{ |
462 |
#ifdef DEBUG_CMD |
463 |
rxvt_warn ("caught signal %d, exiting.\n", w.signum); |
464 |
#endif |
465 |
rxvt_destroy_all (); |
466 |
signal (w.signum, SIG_DFL); |
467 |
kill (getpid (), w.signum); |
468 |
} |
469 |
|
470 |
/* INTPROTO */ |
471 |
int |
472 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
473 |
{ |
474 |
if (GET_R->allowedxerror == -1) |
475 |
GET_R->allowedxerror = event->error_code; |
476 |
else |
477 |
{ |
478 |
old_xerror_handler (display, event); |
479 |
GET_R->destroy (); |
480 |
} |
481 |
|
482 |
return 0; |
483 |
} |
484 |
|
485 |
/* ------------------------------------------------------------------------- * |
486 |
* MEMORY ALLOCATION WRAPPERS * |
487 |
* ------------------------------------------------------------------------- */ |
488 |
void * |
489 |
rxvt_malloc (size_t size) |
490 |
{ |
491 |
void *p = malloc (size); |
492 |
|
493 |
if (!p) |
494 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
495 |
|
496 |
return p; |
497 |
} |
498 |
|
499 |
/* INTPROTO */ |
500 |
void * |
501 |
rxvt_calloc (size_t number, size_t size) |
502 |
{ |
503 |
void *p = calloc (number, size); |
504 |
|
505 |
if (!p) |
506 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
507 |
|
508 |
return p; |
509 |
} |
510 |
|
511 |
/* INTPROTO */ |
512 |
void * |
513 |
rxvt_realloc (void *ptr, size_t size) |
514 |
{ |
515 |
void *p = realloc (ptr, size); |
516 |
|
517 |
if (!p) |
518 |
rxvt_fatal ("memory allocation failure. aborting.\n"); |
519 |
|
520 |
return p; |
521 |
} |
522 |
|
523 |
/* ------------------------------------------------------------------------- * |
524 |
* PRIVILEGED OPERATIONS * |
525 |
* ------------------------------------------------------------------------- */ |
526 |
/* take care of suid/sgid super-user (root) privileges */ |
527 |
void |
528 |
rxvt_privileges (rxvt_privaction action) |
529 |
{ |
530 |
#if (defined(HAVE_SETEUID) || defined(HAVE_SETREUID)) && !defined(__CYGWIN32__) |
531 |
static uid_t euid; |
532 |
static gid_t egid; |
533 |
#endif |
534 |
|
535 |
#if ! defined(__CYGWIN32__) |
536 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
537 |
/* setreuid () is the poor man's setuid (), seteuid () */ |
538 |
# define seteuid(a) setreuid(-1, (a)) |
539 |
# define setegid(a) setregid(-1, (a)) |
540 |
# define HAVE_SETEUID |
541 |
# endif |
542 |
# ifdef HAVE_SETEUID |
543 |
switch (action) |
544 |
{ |
545 |
case IGNORE: |
546 |
/* |
547 |
* change effective uid/gid - not real uid/gid - so we can switch |
548 |
* back to root later, as required |
549 |
*/ |
550 |
seteuid (getuid ()); |
551 |
setegid (getgid ()); |
552 |
break; |
553 |
case SAVE: |
554 |
euid = geteuid (); |
555 |
egid = getegid (); |
556 |
break; |
557 |
case RESTORE: |
558 |
seteuid (euid); |
559 |
setegid (egid); |
560 |
break; |
561 |
} |
562 |
# else |
563 |
switch (action) |
564 |
{ |
565 |
case IGNORE: |
566 |
setuid (getuid ()); |
567 |
setgid (getgid ()); |
568 |
/* FALLTHROUGH */ |
569 |
case SAVE: |
570 |
/* FALLTHROUGH */ |
571 |
case RESTORE: |
572 |
break; |
573 |
} |
574 |
# endif |
575 |
#endif |
576 |
} |
577 |
|
578 |
#ifdef UTMP_SUPPORT |
579 |
void |
580 |
rxvt_term::privileged_utmp (rxvt_privaction action) |
581 |
{ |
582 |
if ((options & Opt_utmpInhibit) |
583 |
|| !pty.name || !*pty.name) |
584 |
return; |
585 |
|
586 |
rxvt_privileges (RESTORE); |
587 |
|
588 |
if (action == SAVE) |
589 |
makeutent (pty.name, rs[Rs_display_name]); |
590 |
else |
591 |
cleanutent (); |
592 |
|
593 |
rxvt_privileges (IGNORE); |
594 |
} |
595 |
#endif |
596 |
|
597 |
/*----------------------------------------------------------------------*/ |
598 |
/* |
599 |
* window size/position calculcations for XSizeHint and other storage. |
600 |
* if width/height are non-zero then override calculated width/height |
601 |
*/ |
602 |
void |
603 |
rxvt_term::window_calc (unsigned int width, unsigned int height) |
604 |
{ |
605 |
short recalc_x, recalc_y; |
606 |
int x, y, sb_w, mb_h, flags; |
607 |
unsigned int w, h; |
608 |
unsigned int max_width, max_height; |
609 |
|
610 |
D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
611 |
TermWin.ncol, TermWin.nrow, szHint.width, |
612 |
szHint.height)); |
613 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
614 |
szHint.win_gravity = NorthWestGravity; |
615 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
616 |
|
617 |
recalc_x = recalc_y = 0; |
618 |
flags = 0; |
619 |
if (!parsed_geometry) |
620 |
{ |
621 |
parsed_geometry = 1; |
622 |
if (rs[Rs_geometry]) |
623 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
624 |
if (flags & WidthValue) |
625 |
{ |
626 |
TermWin.ncol = BOUND_POSITIVE_INT16 (w); |
627 |
szHint.flags |= USSize; |
628 |
} |
629 |
if (flags & HeightValue) |
630 |
{ |
631 |
TermWin.nrow = BOUND_POSITIVE_INT16 (h); |
632 |
szHint.flags |= USSize; |
633 |
} |
634 |
if (flags & XValue) |
635 |
{ |
636 |
szHint.x = x; |
637 |
szHint.flags |= USPosition; |
638 |
if (flags & XNegative) |
639 |
{ |
640 |
recalc_x = 1; |
641 |
szHint.win_gravity = NorthEastGravity; |
642 |
} |
643 |
} |
644 |
if (flags & YValue) |
645 |
{ |
646 |
szHint.y = y; |
647 |
szHint.flags |= USPosition; |
648 |
if (flags & YNegative) |
649 |
{ |
650 |
recalc_y = 1; |
651 |
if (szHint.win_gravity == NorthEastGravity) |
652 |
szHint.win_gravity = SouthEastGravity; |
653 |
else |
654 |
szHint.win_gravity = SouthWestGravity; |
655 |
} |
656 |
} |
657 |
} |
658 |
|
659 |
/* TODO: BOUNDS */ |
660 |
TermWin.width = TermWin.ncol * TermWin.fwidth; |
661 |
TermWin.height = TermWin.nrow * TermWin.fheight; |
662 |
max_width = MAX_COLS * TermWin.fwidth; |
663 |
max_height = MAX_ROWS * TermWin.fheight; |
664 |
|
665 |
szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; |
666 |
|
667 |
sb_w = mb_h = 0; |
668 |
window_vt_x = window_vt_y = TermWin.int_bwidth; |
669 |
|
670 |
if (scrollbar_visible ()) |
671 |
{ |
672 |
sb_w = scrollbar_TotalWidth (); |
673 |
szHint.base_width += sb_w; |
674 |
if (!(options & Opt_scrollBar_right)) |
675 |
window_vt_x += sb_w; |
676 |
} |
677 |
|
678 |
if (menubar_visible ()) |
679 |
{ |
680 |
mb_h = menuBar_TotalHeight (); |
681 |
szHint.base_height += mb_h; |
682 |
window_vt_y += mb_h; |
683 |
} |
684 |
|
685 |
szHint.width_inc = TermWin.fwidth; |
686 |
szHint.height_inc = TermWin.fheight; |
687 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
688 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
689 |
|
690 |
if (width && width - szHint.base_width < max_width) |
691 |
{ |
692 |
szHint.width = width; |
693 |
TermWin.width = width - szHint.base_width; |
694 |
} |
695 |
else |
696 |
{ |
697 |
MIN_IT (TermWin.width, max_width); |
698 |
szHint.width = szHint.base_width + TermWin.width; |
699 |
} |
700 |
|
701 |
if (height && height - szHint.base_height < max_height) |
702 |
{ |
703 |
szHint.height = height; |
704 |
TermWin.height = height - szHint.base_height; |
705 |
} |
706 |
else |
707 |
{ |
708 |
MIN_IT (TermWin.height, max_height); |
709 |
szHint.height = szHint.base_height + TermWin.height; |
710 |
} |
711 |
|
712 |
if (scrollbar_visible () && (options & Opt_scrollBar_right)) |
713 |
window_sb_x = szHint.width - sb_w; |
714 |
|
715 |
if (recalc_x) |
716 |
szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display)) |
717 |
- szHint.width - 2 * TermWin.ext_bwidth); |
718 |
if (recalc_y) |
719 |
szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display)) |
720 |
- szHint.height - 2 * TermWin.ext_bwidth); |
721 |
|
722 |
TermWin.ncol = TermWin.width / TermWin.fwidth; |
723 |
TermWin.nrow = TermWin.height / TermWin.fheight; |
724 |
D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
725 |
TermWin.ncol, TermWin.nrow, szHint.width, |
726 |
szHint.height)); |
727 |
return; |
728 |
} |
729 |
|
730 |
/*----------------------------------------------------------------------*/ |
731 |
/* |
732 |
* Tell the teletype handler what size the window is. |
733 |
* Called after a window size change. |
734 |
*/ |
735 |
void |
736 |
rxvt_term::tt_winch () |
737 |
{ |
738 |
if (pty.pty < 0) |
739 |
return; |
740 |
|
741 |
struct winsize ws; |
742 |
|
743 |
ws.ws_col = TermWin.ncol; |
744 |
ws.ws_row = TermWin.nrow; |
745 |
ws.ws_xpixel = TermWin.width; |
746 |
ws.ws_ypixel = TermWin.height; |
747 |
(void)ioctl (pty.pty, TIOCSWINSZ, &ws); |
748 |
|
749 |
#if 0 |
750 |
// TIOCSWINSZ⎈ is supposed to do this automatically and correctly |
751 |
if (cmd_pid) /* force through to the command */ |
752 |
kill (cmd_pid, SIGWINCH); |
753 |
#endif |
754 |
} |
755 |
|
756 |
/*----------------------------------------------------------------------*/ |
757 |
/* set_fonts () - load and set the various fonts |
758 |
/* |
759 |
* init = 1 - initialize |
760 |
* |
761 |
* fontname == FONT_UP - switch to bigger font |
762 |
* fontname == FONT_DN - switch to smaller font |
763 |
*/ |
764 |
bool |
765 |
rxvt_term::set_fonts () |
766 |
{ |
767 |
rxvt_fontset *fs = new rxvt_fontset (this); |
768 |
rxvt_fontprop prop; |
769 |
|
770 |
if (!fs |
771 |
|| !fs->populate (rs[Rs_font] ? rs[Rs_font] : "fixed") |
772 |
|| !fs->realize_font (1)) |
773 |
{ |
774 |
delete fs; |
775 |
return false; |
776 |
} |
777 |
|
778 |
#if ENABLE_STYLES |
779 |
for (int i = RS_styleCount; --i; ) |
780 |
if (TermWin.fontset[i] != TermWin.fontset[0]) |
781 |
delete TermWin.fontset[i]; |
782 |
#endif |
783 |
|
784 |
delete TermWin.fontset[0]; |
785 |
TermWin.fontset[0] = fs; |
786 |
|
787 |
prop = (*fs)[1]->properties (); |
788 |
fs->set_prop (prop); |
789 |
|
790 |
TermWin.fwidth = prop.width; |
791 |
TermWin.fheight = prop.height; |
792 |
TermWin.fweight = prop.weight; |
793 |
TermWin.fslant = prop.slant; |
794 |
TermWin.fbase = (*fs)[1]->ascent; |
795 |
|
796 |
for (int style = 1; style < 4; style++) |
797 |
{ |
798 |
#if ENABLE_STYLES |
799 |
const char *res = rs[Rs_font + style]; |
800 |
|
801 |
if (res && !*res) |
802 |
TermWin.fontset[style] = TermWin.fontset[0]; |
803 |
else |
804 |
{ |
805 |
TermWin.fontset[style] = fs = new rxvt_fontset (this); |
806 |
rxvt_fontprop prop2 = prop; |
807 |
|
808 |
if (res) |
809 |
prop2.weight = prop2.slant = rxvt_fontprop::unset; |
810 |
else |
811 |
{ |
812 |
res = TermWin.fontset[0]->fontdesc; |
813 |
|
814 |
if (SET_STYLE (0, style) & RS_Bold) prop2.weight = rxvt_fontprop::bold; |
815 |
if (SET_STYLE (0, style) & RS_Italic) prop2.slant = rxvt_fontprop::italic; |
816 |
} |
817 |
|
818 |
fs->populate (res); |
819 |
fs->set_prop (prop2); |
820 |
} |
821 |
#else |
822 |
TermWin.fontset[style] = TermWin.fontset[0]; |
823 |
#endif |
824 |
} |
825 |
|
826 |
if (TermWin.parent[0]) |
827 |
{ |
828 |
resize_all_windows (0, 0, 0); |
829 |
scr_remap_chars (); |
830 |
scr_touch (true); |
831 |
} |
832 |
|
833 |
return true; |
834 |
} |
835 |
|
836 |
/*----------------------------------------------------------------------*/ |
837 |
/*----------------------------------------------------------------------*/ |
838 |
/* xterm sequences - title, iconName, color (exptl) */ |
839 |
void |
840 |
rxvt_term::set_title (const char *str) |
841 |
{ |
842 |
#ifdef SMART_WINDOW_TITLE |
843 |
char *name; |
844 |
|
845 |
if (!XFetchName (display->display, TermWin.parent[0], &name)) |
846 |
name = NULL; |
847 |
|
848 |
if (name == NULL || strcmp (name, str)) |
849 |
#endif |
850 |
XStoreName (display->display, TermWin.parent[0], str); |
851 |
|
852 |
#ifdef SMART_WINDOW_TITLE |
853 |
if (name) |
854 |
XFree (name); |
855 |
#endif |
856 |
} |
857 |
|
858 |
void |
859 |
rxvt_term::set_icon_name (const char *str) |
860 |
{ |
861 |
#ifdef SMART_WINDOW_TITLE |
862 |
char *name; |
863 |
|
864 |
if (!XGetIconName (display->display, TermWin.parent[0], &name)) |
865 |
name = NULL; |
866 |
|
867 |
if (name == NULL || strcmp (name, str)) |
868 |
#endif |
869 |
XSetIconName (display->display, TermWin.parent[0], str); |
870 |
|
871 |
#ifdef SMART_WINDOW_TITLE |
872 |
if (name) |
873 |
XFree (name); |
874 |
#endif |
875 |
} |
876 |
|
877 |
#ifdef XTERM_COLOR_CHANGE |
878 |
void |
879 |
rxvt_term::set_window_color (int idx, const char *color) |
880 |
{ |
881 |
rxvt_color xcol; |
882 |
int i; |
883 |
|
884 |
if (color == NULL || *color == '\0') |
885 |
return; |
886 |
|
887 |
/* handle color aliases */ |
888 |
if (isdigit (*color)) |
889 |
{ |
890 |
i = atoi (color); |
891 |
if (i >= 8 && i <= 15) |
892 |
{ /* bright colors */ |
893 |
i -= 8; |
894 |
# ifndef NO_BRIGHTCOLOR |
895 |
pix_colors_focused[idx] = pix_colors_focused[minBrightCOLOR + i]; |
896 |
SET_PIXCOLOR (idx); |
897 |
goto Done; |
898 |
# endif |
899 |
|
900 |
} |
901 |
if (i >= 0 && i <= 7) |
902 |
{ /* normal colors */ |
903 |
pix_colors_focused[idx] = pix_colors_focused[minCOLOR + i]; |
904 |
SET_PIXCOLOR (idx); |
905 |
goto Done; |
906 |
} |
907 |
} |
908 |
|
909 |
if (!rXParseAllocColor (& xcol, color)) |
910 |
return; |
911 |
|
912 |
/* XStoreColor (display->display, display->cmap, XColor*); */ |
913 |
|
914 |
/* |
915 |
* FIXME: should free colors here, but no idea how to do it so instead, |
916 |
* so just keep gobbling up the colormap |
917 |
*/ |
918 |
# if 0 |
919 |
for (i = Color_Black; i <= Color_White; i++) |
920 |
if (pix_colors[idx] == pix_colors[i]) |
921 |
break; |
922 |
if (i > Color_White) |
923 |
{ |
924 |
/* fprintf (stderr, "XFreeColors: pix_colors [%d] = %lu\n", idx, pix_colors [idx]); */ |
925 |
XFreeColors (display->display, display->cmap, (pix_colors + idx), 1, |
926 |
DisplayPlanes (display->display, display->screen)); |
927 |
} |
928 |
# endif |
929 |
|
930 |
pix_colors_focused[idx] = xcol; |
931 |
SET_PIXCOLOR (idx); |
932 |
|
933 |
/* XSetWindowAttributes attr; */ |
934 |
/* Cursor cursor; */ |
935 |
Done: |
936 |
#ifdef OFF_FOCUS_FADING |
937 |
if (rs[Rs_fade]) |
938 |
pix_colors_unfocused[idx] = pix_colors_focused[idx].fade (display, atoi (rs[Rs_fade])); |
939 |
#endif |
940 |
|
941 |
/*TODO: handle Color_BD, scrollbar background, etc. */ |
942 |
|
943 |
recolour_cursor (); |
944 |
scr_recolour (); |
945 |
} |
946 |
|
947 |
#else |
948 |
# define set_window_color (idx,color) ((void)0) |
949 |
#endif /* XTERM_COLOR_CHANGE */ |
950 |
|
951 |
void |
952 |
rxvt_term::recolour_cursor () |
953 |
{ |
954 |
XColor xcol[2]; |
955 |
|
956 |
xcol[0].pixel = ISSET_PIXCOLOR (Color_pointer_fg) |
957 |
? pix_colors_focused[Color_pointer_fg] |
958 |
: pix_colors_focused[Color_fg]; |
959 |
xcol[1].pixel = ISSET_PIXCOLOR (Color_pointer_bg) |
960 |
? pix_colors_focused[Color_pointer_bg] |
961 |
: pix_colors_focused[Color_bg]; |
962 |
|
963 |
XQueryColors (display->display, display->cmap, xcol, 2); |
964 |
XRecolorCursor (display->display, TermWin_cursor, xcol + 0, xcol + 1); |
965 |
} |
966 |
|
967 |
/*----------------------------------------------------------------------*/ |
968 |
/* |
969 |
* find if fg/bg matches any of the normal (low-intensity) colors |
970 |
*/ |
971 |
void |
972 |
rxvt_term::set_colorfgbg () |
973 |
{ |
974 |
unsigned int i; |
975 |
const char *xpmb = "\0"; |
976 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
977 |
|
978 |
env_colorfgbg = (char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1); |
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 |
* Colour determination for low colour displays, routine from |
1004 |
* Hans de Goede <hans@highrise.nl> |
1005 |
*/ |
1006 |
|
1007 |
int |
1008 |
rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) |
1009 |
{ |
1010 |
if (!screen_in_out->set (display, colour)) |
1011 |
{ |
1012 |
rxvt_warn ("can't get colour '%s', continuing without.\n", colour); |
1013 |
return false; |
1014 |
} |
1015 |
|
1016 |
return true; |
1017 |
} |
1018 |
|
1019 |
/* -------------------------------------------------------------------- * |
1020 |
* - WINDOW RESIZING - * |
1021 |
* -------------------------------------------------------------------- */ |
1022 |
void |
1023 |
rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) |
1024 |
{ |
1025 |
int fix_screen; |
1026 |
|
1027 |
#ifdef SMART_RESIZE |
1028 |
int old_width = szHint.width, old_height = szHint.height; |
1029 |
#endif |
1030 |
|
1031 |
window_calc (width, height); |
1032 |
XSetWMNormalHints (display->display, TermWin.parent[0], &szHint); |
1033 |
|
1034 |
if (!ignoreparent) |
1035 |
{ |
1036 |
#ifdef SMART_RESIZE |
1037 |
/* |
1038 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
1039 |
* reposition window on resize depending on placement on screen |
1040 |
*/ |
1041 |
int x, y, x1, y1; |
1042 |
int dx, dy; |
1043 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
1044 |
Window unused_cr; |
1045 |
|
1046 |
XTranslateCoordinates (display->display, TermWin.parent[0], display->root, |
1047 |
0, 0, &x, &y, &unused_cr); |
1048 |
XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1, |
1049 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
1050 |
/* |
1051 |
* if display->root isn't the parent window, a WM will probably have offset |
1052 |
* our position for handles and decorations. Counter it |
1053 |
*/ |
1054 |
if (x1 != x || y1 != y) |
1055 |
{ |
1056 |
x -= x1; |
1057 |
y -= y1; |
1058 |
} |
1059 |
|
1060 |
x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2; |
1061 |
y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2; |
1062 |
dx = old_width - szHint.width; |
1063 |
dy = old_height - szHint.height; |
1064 |
|
1065 |
/* Check position of the center of the window */ |
1066 |
if (x < x1) /* left half */ |
1067 |
dx = 0; |
1068 |
else if (x == x1) /* exact center */ |
1069 |
dx /= 2; |
1070 |
if (y < y1) /* top half */ |
1071 |
dy = 0; |
1072 |
else if (y == y1) /* exact center */ |
1073 |
dy /= 2; |
1074 |
|
1075 |
XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy, |
1076 |
szHint.width, szHint.height); |
1077 |
#else |
1078 |
XResizeWindow (display->display, TermWin.parent[0], szHint.width, szHint.height); |
1079 |
#endif |
1080 |
} |
1081 |
|
1082 |
fix_screen = TermWin.ncol != prev_ncol || TermWin.nrow != prev_nrow; |
1083 |
|
1084 |
if (fix_screen || width != old_width || height != old_height) |
1085 |
{ |
1086 |
if (scrollbar_visible ()) |
1087 |
{ |
1088 |
XMoveResizeWindow (display->display, scrollBar.win, |
1089 |
window_sb_x, 0, |
1090 |
scrollbar_TotalWidth (), szHint.height); |
1091 |
resize_scrollbar (); |
1092 |
} |
1093 |
|
1094 |
if (menubar_visible ()) |
1095 |
XMoveResizeWindow (display->display, menuBar.win, |
1096 |
window_vt_x, 0, |
1097 |
TermWin_TotalWidth (), menuBar_TotalHeight ()); |
1098 |
|
1099 |
XMoveResizeWindow (display->display, TermWin.vt, |
1100 |
window_vt_x, window_vt_y, |
1101 |
TermWin_TotalWidth (), TermWin_TotalHeight ()); |
1102 |
scr_clear (); |
1103 |
#ifdef XPM_BACKGROUND |
1104 |
resize_pixmap (); |
1105 |
#endif |
1106 |
} |
1107 |
|
1108 |
if (fix_screen || old_height == 0) |
1109 |
{ |
1110 |
int curr_screen = -1; |
1111 |
int old_ncol = prev_ncol; |
1112 |
|
1113 |
/* scr_reset only works on the primary screen */ |
1114 |
if (old_height) /* this is not the first time through */ |
1115 |
{ |
1116 |
unsigned int ncol = TermWin.ncol; |
1117 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
1118 |
curr_screen = scr_change_screen (PRIMARY); |
1119 |
TermWin.ncol = ncol; |
1120 |
} |
1121 |
|
1122 |
scr_reset (); |
1123 |
|
1124 |
if (curr_screen >= 0) /* this is not the first time through */ |
1125 |
{ |
1126 |
scr_change_screen (curr_screen); |
1127 |
selection_check (old_ncol != TermWin.ncol ? 4 : 0); |
1128 |
} |
1129 |
} |
1130 |
|
1131 |
old_width = szHint.width; |
1132 |
old_height = szHint.height; |
1133 |
|
1134 |
#ifdef USE_XIM |
1135 |
IMSetStatusPosition (); |
1136 |
#endif |
1137 |
} |
1138 |
|
1139 |
/* |
1140 |
* Set the width/height of the vt window in characters. Units are pixels. |
1141 |
* good for toggling 80/132 columns |
1142 |
*/ |
1143 |
void |
1144 |
rxvt_term::set_widthheight (unsigned int width, unsigned int height) |
1145 |
{ |
1146 |
XWindowAttributes wattr; |
1147 |
|
1148 |
if (width == 0 || height == 0) |
1149 |
{ |
1150 |
XGetWindowAttributes (display->display, display->root, &wattr); |
1151 |
if (width == 0) |
1152 |
width = wattr.width - szHint.base_width; |
1153 |
if (height == 0) |
1154 |
height = wattr.height - szHint.base_height; |
1155 |
} |
1156 |
|
1157 |
if (width != TermWin.width || height != TermWin.height) |
1158 |
{ |
1159 |
width += szHint.base_width; |
1160 |
height += szHint.base_height; |
1161 |
resize_all_windows (width, height, 0); |
1162 |
} |
1163 |
} |
1164 |
|
1165 |
/* -------------------------------------------------------------------- * |
1166 |
* - X INPUT METHOD ROUTINES - * |
1167 |
* -------------------------------------------------------------------- */ |
1168 |
#ifdef USE_XIM |
1169 |
|
1170 |
void |
1171 |
rxvt_term::im_set_color (unsigned long &fg, unsigned long &bg) |
1172 |
{ |
1173 |
fg = pix_colors[Color_fg]; |
1174 |
bg = pix_colors[Color_bg]; |
1175 |
} |
1176 |
|
1177 |
void |
1178 |
rxvt_term::im_set_size (XRectangle &size) |
1179 |
{ |
1180 |
// the int_bwidth terms make no sense to me |
1181 |
size.x = TermWin.int_bwidth; |
1182 |
size.y = TermWin.int_bwidth; |
1183 |
size.width = Width2Pixel (TermWin.ncol) + TermWin.int_bwidth; |
1184 |
size.height = Height2Pixel (TermWin.nrow) + TermWin.int_bwidth; |
1185 |
} |
1186 |
|
1187 |
void |
1188 |
rxvt_term::im_set_preedit_area (XRectangle &preedit_rect, |
1189 |
XRectangle &status_rect, |
1190 |
const XRectangle &needed_rect) |
1191 |
{ |
1192 |
preedit_rect.x = needed_rect.width; |
1193 |
preedit_rect.y = 0; |
1194 |
preedit_rect.width = Width2Pixel (TermWin.ncol) - needed_rect.width + 1; |
1195 |
preedit_rect.height = TermWin.fheight; |
1196 |
|
1197 |
status_rect.x = 0; |
1198 |
status_rect.y = 0; |
1199 |
status_rect.width = needed_rect.width ? needed_rect.width : Width2Pixel (TermWin.ncol) + 1; |
1200 |
status_rect.height = TermWin.fheight; |
1201 |
} |
1202 |
|
1203 |
/* Checking whether input method is running. */ |
1204 |
bool |
1205 |
rxvt_term::IMisRunning () |
1206 |
{ |
1207 |
char *p; |
1208 |
Atom atom; |
1209 |
Window win; |
1210 |
char server[IMBUFSIZ]; |
1211 |
|
1212 |
/* get current locale modifier */ |
1213 |
if ((p = XSetLocaleModifiers (NULL)) != NULL) |
1214 |
{ |
1215 |
strcpy (server, "@server="); |
1216 |
strncat (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1217 |
|
1218 |
if ((p = strchr (server + 1, '@')) != NULL) /* first one only */ |
1219 |
*p = '\0'; |
1220 |
|
1221 |
atom = XInternAtom (display->display, server, False); |
1222 |
win = XGetSelectionOwner (display->display, atom); |
1223 |
|
1224 |
if (win != None) |
1225 |
return True; |
1226 |
} |
1227 |
|
1228 |
return False; |
1229 |
} |
1230 |
|
1231 |
void |
1232 |
rxvt_term::IMSendSpot () |
1233 |
{ |
1234 |
XPoint nspot; |
1235 |
XVaNestedList preedit_attr; |
1236 |
|
1237 |
if (!Input_Context |
1238 |
|| !TermWin.focus |
1239 |
|| !(input_style & XIMPreeditPosition)) |
1240 |
return; |
1241 |
|
1242 |
im_set_position (nspot); |
1243 |
|
1244 |
if (nspot.x == spot.x && nspot.y == spot.y) |
1245 |
return; |
1246 |
|
1247 |
spot = nspot; |
1248 |
|
1249 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1250 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1251 |
XFree (preedit_attr); |
1252 |
} |
1253 |
|
1254 |
void |
1255 |
rxvt_term::im_destroy () |
1256 |
{ |
1257 |
if (input_method) |
1258 |
{ |
1259 |
if (Input_Context && input_method->xim) |
1260 |
XDestroyIC (Input_Context); |
1261 |
|
1262 |
display->put_xim (input_method); |
1263 |
input_method = 0; |
1264 |
} |
1265 |
|
1266 |
Input_Context = 0; |
1267 |
} |
1268 |
|
1269 |
/* |
1270 |
* Try to open a XIM with the current modifiers, then see if we can |
1271 |
* open a suitable preedit type |
1272 |
*/ |
1273 |
bool |
1274 |
rxvt_term::IM_get_IC (const char *modifiers) |
1275 |
{ |
1276 |
int i, j, found; |
1277 |
XIM xim; |
1278 |
XPoint spot; |
1279 |
XRectangle rect, status_rect, needed_rect; |
1280 |
unsigned long fg, bg; |
1281 |
const char *p; |
1282 |
char **s; |
1283 |
XIMStyles *xim_styles; |
1284 |
|
1285 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1286 |
return false; |
1287 |
|
1288 |
D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1289 |
input_method = display->get_xim (locale, modifiers); |
1290 |
if (input_method == NULL) |
1291 |
return false; |
1292 |
|
1293 |
xim = input_method->xim; |
1294 |
spot.x = spot.y = -1; |
1295 |
|
1296 |
xim_styles = NULL; |
1297 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1298 |
|| !xim_styles || !xim_styles->count_styles) |
1299 |
{ |
1300 |
im_destroy (); |
1301 |
return false; |
1302 |
} |
1303 |
|
1304 |
const char *pet[] = { rs[Rs_preeditType], "OverTheSpot,OffTheSpot,Root,None" }; |
1305 |
|
1306 |
for (int pi = 0; pi < 2; pi++) |
1307 |
{ |
1308 |
p = pet[pi]; |
1309 |
|
1310 |
if (!p) |
1311 |
continue; |
1312 |
|
1313 |
s = rxvt_splitcommastring (p); |
1314 |
|
1315 |
for (i = found = 0; !found && s[i]; i++) |
1316 |
{ |
1317 |
if (!strcmp (s[i], "OverTheSpot")) |
1318 |
input_style = (XIMPreeditPosition | XIMStatusNothing); |
1319 |
else if (!strcmp (s[i], "OffTheSpot")) |
1320 |
input_style = (XIMPreeditArea | XIMStatusArea); |
1321 |
else if (!strcmp (s[i], "Root")) |
1322 |
input_style = (XIMPreeditNothing | XIMStatusNothing); |
1323 |
else if (!strcmp (s[i], "None")) |
1324 |
input_style = (XIMPreeditNone | XIMStatusNone); |
1325 |
|
1326 |
for (j = 0; j < xim_styles->count_styles; j++) |
1327 |
if (input_style == xim_styles->supported_styles[j]) |
1328 |
{ |
1329 |
rxvt_freecommastring (s); |
1330 |
|
1331 |
found = 1; |
1332 |
goto foundpet; |
1333 |
} |
1334 |
|
1335 |
} |
1336 |
|
1337 |
rxvt_freecommastring (s); |
1338 |
} |
1339 |
|
1340 |
foundpet: |
1341 |
|
1342 |
XFree (xim_styles); |
1343 |
|
1344 |
if (!found) |
1345 |
{ |
1346 |
im_destroy (); |
1347 |
return false; |
1348 |
} |
1349 |
|
1350 |
XFontSet fs = 0; |
1351 |
XVaNestedList preedit_attr = 0, status_attr = 0; |
1352 |
|
1353 |
if (input_style & (XIMPreeditPosition | XIMPreeditArea)) |
1354 |
{ |
1355 |
// fake us a font-set, please |
1356 |
char **missing_charset_list; |
1357 |
int missing_charset_count; |
1358 |
char *def_string; |
1359 |
char pat[512]; |
1360 |
|
1361 |
sprintf (pat, |
1362 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1363 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1364 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1365 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1366 |
"-*-*-*-R-*-*-%d-*-*-*-*-*-*," |
1367 |
"*", |
1368 |
TermWin.fheight, |
1369 |
TermWin.fheight + 1, TermWin.fheight - 1, |
1370 |
TermWin.fheight - 2, TermWin.fheight + 2); |
1371 |
|
1372 |
fs = XCreateFontSet (display->display, pat, |
1373 |
&missing_charset_list, &missing_charset_count, &def_string); |
1374 |
|
1375 |
if (missing_charset_list) |
1376 |
XFreeStringList (missing_charset_list); |
1377 |
|
1378 |
if (!fs) |
1379 |
{ |
1380 |
input_style &= ~(XIMPreeditPosition | XIMPreeditArea); |
1381 |
rxvt_warn ("unable to create fontset for input method, try \"-pt Root\". Continuing.\n"); |
1382 |
} |
1383 |
} |
1384 |
|
1385 |
if (input_style & XIMPreeditPosition) |
1386 |
{ |
1387 |
im_set_size (rect); |
1388 |
im_set_position (spot); |
1389 |
im_set_color (fg, bg); |
1390 |
|
1391 |
preedit_attr = XVaCreateNestedList (0, |
1392 |
XNForeground, fg, |
1393 |
XNBackground, bg, |
1394 |
XNArea, &rect, |
1395 |
XNSpotLocation, &spot, |
1396 |
XNFontSet, fs, |
1397 |
NULL); |
1398 |
} |
1399 |
else if (input_style & XIMPreeditArea) |
1400 |
{ |
1401 |
im_set_color (fg, bg); |
1402 |
|
1403 |
/* |
1404 |
* The necessary width of preedit area is unknown |
1405 |
* until create input context. |
1406 |
*/ |
1407 |
needed_rect.width = 0; |
1408 |
im_set_preedit_area (rect, status_rect, needed_rect); |
1409 |
|
1410 |
preedit_attr = XVaCreateNestedList (0, |
1411 |
XNForeground, fg, |
1412 |
XNBackground, bg, |
1413 |
XNArea, &rect, |
1414 |
XNFontSet, fs, |
1415 |
NULL); |
1416 |
status_attr = XVaCreateNestedList (0, |
1417 |
XNForeground, fg, |
1418 |
XNBackground, bg, |
1419 |
XNArea, &status_rect, |
1420 |
XNFontSet, fs, |
1421 |
NULL); |
1422 |
} |
1423 |
|
1424 |
Input_Context = XCreateIC (xim, |
1425 |
XNInputStyle, input_style, |
1426 |
XNClientWindow, TermWin.vt, |
1427 |
XNFocusWindow, TermWin.parent[0], |
1428 |
preedit_attr ? XNPreeditAttributes : NULL, |
1429 |
preedit_attr, |
1430 |
status_attr ? XNStatusAttributes : NULL, |
1431 |
status_attr, NULL); |
1432 |
|
1433 |
if (preedit_attr) XFree (preedit_attr); |
1434 |
if (status_attr) XFree (status_attr); |
1435 |
if (fs) XFreeFontSet (display->display, fs); |
1436 |
|
1437 |
if (Input_Context == NULL) |
1438 |
{ |
1439 |
rxvt_warn ("failed to create input context, continuing without XIM.\n"); |
1440 |
im_destroy (); |
1441 |
return false; |
1442 |
} |
1443 |
|
1444 |
if (input_style & XIMPreeditArea) |
1445 |
IMSetStatusPosition (); |
1446 |
|
1447 |
D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection")); |
1448 |
return true; |
1449 |
} |
1450 |
|
1451 |
void |
1452 |
rxvt_term::im_cb () |
1453 |
{ |
1454 |
int i, found, had_im; |
1455 |
const char *p; |
1456 |
char **s; |
1457 |
char buf[IMBUFSIZ]; |
1458 |
|
1459 |
im_destroy (); |
1460 |
|
1461 |
D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1462 |
if (Input_Context) |
1463 |
return; |
1464 |
|
1465 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1466 |
if (rs[Rs_imLocale]) |
1467 |
SET_LOCALE (rs[Rs_imLocale]); |
1468 |
#endif |
1469 |
|
1470 |
p = rs[Rs_inputMethod]; |
1471 |
if (p && *p) |
1472 |
{ |
1473 |
bool found = false; |
1474 |
|
1475 |
s = rxvt_splitcommastring (p); |
1476 |
|
1477 |
for (i = 0; s[i]; i++) |
1478 |
{ |
1479 |
if (*s[i]) |
1480 |
{ |
1481 |
strcpy (buf, "@im="); |
1482 |
strncat (buf, s[i], IMBUFSIZ - 5); |
1483 |
if (IM_get_IC (buf)) |
1484 |
{ |
1485 |
found = true; |
1486 |
break; |
1487 |
} |
1488 |
} |
1489 |
} |
1490 |
|
1491 |
rxvt_freecommastring (s); |
1492 |
|
1493 |
if (found) |
1494 |
goto done; |
1495 |
} |
1496 |
|
1497 |
/* try with XMODIFIERS env. var. */ |
1498 |
if (IM_get_IC ("")) |
1499 |
goto done; |
1500 |
|
1501 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1502 |
if (IM_get_IC ("@im=none")) |
1503 |
goto done; |
1504 |
|
1505 |
done: |
1506 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1507 |
if (rs[Rs_imLocale]) |
1508 |
SET_LOCALE (locale); |
1509 |
#endif |
1510 |
} |
1511 |
|
1512 |
void |
1513 |
rxvt_term::IMSetStatusPosition () |
1514 |
{ |
1515 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1516 |
XVaNestedList preedit_attr, status_attr; |
1517 |
|
1518 |
if (!Input_Context |
1519 |
|| !TermWin.focus |
1520 |
|| !(input_style & XIMPreeditArea) |
1521 |
|| !IMisRunning ()) |
1522 |
return; |
1523 |
|
1524 |
/* Getting the necessary width of preedit area */ |
1525 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1526 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1527 |
XFree (status_attr); |
1528 |
|
1529 |
im_set_preedit_area (preedit_rect, status_rect, *needed_rect); |
1530 |
XFree (needed_rect); |
1531 |
|
1532 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1533 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1534 |
|
1535 |
XSetICValues (Input_Context, |
1536 |
XNPreeditAttributes, preedit_attr, |
1537 |
XNStatusAttributes, status_attr, NULL); |
1538 |
|
1539 |
XFree (preedit_attr); |
1540 |
XFree (status_attr); |
1541 |
} |
1542 |
#endif /* USE_XIM */ |
1543 |
|
1544 |
/*----------------------------------------------------------------------*/ |
1545 |
rxvt_t rxvt_current_term; |
1546 |
|
1547 |
/*----------------------- end-of-file (C source) -----------------------*/ |