1 |
/*--------------------------------*-C-*---------------------------------*; |
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* File: main.c |
3 |
*----------------------------------------------------------------------* |
4 |
* |
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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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|
33 |
#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> |
38 |
|
39 |
#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> |
48 |
|
49 |
static char curlocale[128]; |
50 |
|
51 |
void |
52 |
rxvt_set_locale (const char *locale) |
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{ |
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if (locale && STRNCMP (locale, curlocale, 128)) |
55 |
{ |
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STRNCPY (curlocale, locale, 128); |
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setlocale (LC_CTYPE, curlocale); |
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} |
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} |
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|
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class rxvt_composite_vec rxvt_composite; |
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|
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text_t rxvt_composite_vec::compose (uint32_t c1, uint32_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; |
73 |
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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|
88 |
if (!seen++) |
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fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n"); |
90 |
|
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return REPLACEMENT_CHAR; |
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} |
93 |
|
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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; |
97 |
} |
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|
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int rxvt_composite_vec::expand (uint32_t c, wchar_t *r) |
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{ |
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compose_char *cc = (*this)[c]; |
102 |
|
103 |
if (!cc) |
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{ |
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if (r) *r = c; |
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return 1; |
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} |
108 |
|
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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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|
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extern struct rxvt_composite_vec rxvt_composite; |
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void * |
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rxvt_term::operator new (size_t s) |
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{ |
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void *p = malloc (s); |
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|
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MEMSET (p, 0, s); |
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return p; |
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} |
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|
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void |
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rxvt_term::operator delete (void *p, size_t s) |
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{ |
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free (p); |
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} |
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|
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rxvt_term::rxvt_term () |
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: |
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rootwin_ev (this, &rxvt_term::rootwin_cb), |
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termwin_ev (this, &rxvt_term::x_cb), |
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vt_ev (this, &rxvt_term::x_cb), |
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#ifdef HAVE_SCROLLBARS |
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scrollbar_ev (this, &rxvt_term::x_cb), |
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#endif |
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#ifdef MENUBAR |
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menubar_ev (this, &rxvt_term::x_cb), |
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#endif |
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#ifdef CURSOR_BLINK |
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cursor_blink_ev (this, &rxvt_term::cursor_blink_cb), |
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#endif |
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#ifdef TEXT_BLINK |
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text_blink_ev (this, &rxvt_term::text_blink_cb), |
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#endif |
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#ifdef POINTER_BLANK |
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pointer_ev (this, &rxvt_term::pointer_cb), |
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#endif |
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#ifdef USE_XIM |
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im_ev (this, &rxvt_term::im_cb), |
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#endif |
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check_ev (this, &rxvt_term::check_cb), |
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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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|
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rxvt_term::~rxvt_term () |
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{ |
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if (cmd_fd >= 0) |
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close (cmd_fd); |
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|
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#ifndef NO_SETOWNER_TTYDEV |
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privileged_ttydev (RESTORE); |
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#endif |
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#ifdef UTMP_SUPPORT |
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privileged_utmp (RESTORE); |
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#endif |
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|
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delete TermWin.fontset; |
183 |
|
184 |
if (display) |
185 |
{ |
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#if defined(MENUBAR) && (MENUBAR_MAX > 1) |
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delete menuBar.drawable; |
188 |
//if (menuBar.win) |
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// XDestroyWindow (display->display, menuBar.win); |
190 |
#endif |
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delete TermWin.drawable; |
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// destroy all windows |
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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 |
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|
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delete PixColors; |
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|
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displays.put (display); |
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|
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scr_release (); |
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|
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free (env_windowid); |
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free (env_display); |
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free (env_term); |
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free (env_colorfgbg); |
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free (locale); |
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free (codeset); |
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|
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delete envv; |
213 |
delete argv; |
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} |
215 |
|
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void |
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rxvt_term::destroy () |
218 |
{ |
219 |
if (display) |
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{ |
221 |
rootwin_ev.stop (display); |
222 |
termwin_ev.stop (display); |
223 |
vt_ev.stop (display); |
224 |
#ifdef USE_XIM |
225 |
im_destroy (); |
226 |
im_ev.stop (display); |
227 |
#endif |
228 |
#ifdef HAVE_SCROLLBARS |
229 |
scrollbar_ev.stop (display); |
230 |
#endif |
231 |
#ifdef MENUBAR |
232 |
menubar_ev.stop (display); |
233 |
#endif |
234 |
} |
235 |
|
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check_ev.stop (); |
237 |
pty_ev.stop (); |
238 |
#ifdef CURSOR_BLINK |
239 |
cursor_blink_ev.stop (); |
240 |
#endif |
241 |
#ifdef TEXT_BLINK |
242 |
text_blink_ev.stop (); |
243 |
#endif |
244 |
#ifdef POINTER_BLANK |
245 |
pointer_ev.stop (); |
246 |
#endif |
247 |
|
248 |
destroy_ev.start (0); |
249 |
} |
250 |
|
251 |
void |
252 |
rxvt_term::destroy_cb (time_watcher &w) |
253 |
{ |
254 |
SET_R (this); |
255 |
|
256 |
delete this; |
257 |
} |
258 |
|
259 |
/*----------------------------------------------------------------------*/ |
260 |
/* rxvt_init () */ |
261 |
/* LIBPROTO */ |
262 |
rxvt_t |
263 |
rxvt_init (int argc, const char *const *argv) |
264 |
{ |
265 |
SET_R (new rxvt_term); |
266 |
|
267 |
if (!GET_R->init_vars () || !GET_R->init (argc, argv)) |
268 |
{ |
269 |
delete GET_R; |
270 |
SET_R (0); |
271 |
} |
272 |
|
273 |
return GET_R; |
274 |
} |
275 |
|
276 |
static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event); |
277 |
|
278 |
void |
279 |
rxvt_init_signals () |
280 |
{ |
281 |
/* install exit handler for cleanup */ |
282 |
#if 0 |
283 |
#ifdef HAVE_ATEXIT |
284 |
atexit (rxvt_clean_exit); |
285 |
#else |
286 |
#endif |
287 |
#endif |
288 |
|
289 |
struct sigaction sa; |
290 |
|
291 |
sigfillset (&sa.sa_mask); |
292 |
sa.sa_flags = SA_NOCLDSTOP | SA_RESTART; |
293 |
sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0); |
294 |
sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0); |
295 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0); |
296 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0); |
297 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0); |
298 |
sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0); |
299 |
|
300 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
301 |
/* signal (SIGURG, SIG_DFL); */ |
302 |
|
303 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
304 |
//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler); |
305 |
} |
306 |
|
307 |
bool |
308 |
rxvt_term::init (int argc, const char *const *argv) |
309 |
{ |
310 |
/* |
311 |
* Save and then give up any super-user privileges |
312 |
* If we need privileges in any area then we must specifically request it. |
313 |
* We should only need to be root in these cases: |
314 |
* 1. write utmp entries on some systems |
315 |
* 2. chown tty on some systems |
316 |
*/ |
317 |
privileges (SAVE); |
318 |
privileges (IGNORE); |
319 |
|
320 |
init_secondary (); |
321 |
|
322 |
const char **cmd_argv = init_resources (argc, argv); |
323 |
|
324 |
set_locale (""); |
325 |
|
326 |
#if MENUBAR_MAX |
327 |
menubar_read (rs[Rs_menu]); |
328 |
#endif |
329 |
#ifdef HAVE_SCROLLBARS |
330 |
if (Options & Opt_scrollBar) |
331 |
scrollBar.setIdle (); /* set existence for size calculations */ |
332 |
#endif |
333 |
|
334 |
create_windows (argc, argv); |
335 |
|
336 |
init_xlocale (); |
337 |
|
338 |
scr_reset (); /* initialize screen */ |
339 |
|
340 |
#if 0 |
341 |
XSynchronize (display->display, True); |
342 |
#endif |
343 |
|
344 |
#ifdef HAVE_SCROLLBARS |
345 |
if (Options & Opt_scrollBar) |
346 |
resize_scrollbar (); /* create and map scrollbar */ |
347 |
#endif |
348 |
#if (MENUBAR_MAX) |
349 |
if (menubar_visible ()) |
350 |
XMapWindow (display->display, menuBar.win); |
351 |
#endif |
352 |
#ifdef TRANSPARENT |
353 |
if (Options & Opt_transparent) |
354 |
{ |
355 |
XSelectInput (display->display, display->root, PropertyChangeMask); |
356 |
check_our_parents (); |
357 |
} |
358 |
#endif |
359 |
|
360 |
rootwin_ev.start (display, display->root); |
361 |
|
362 |
XMapWindow (display->display, TermWin.vt); |
363 |
XMapWindow (display->display, TermWin.parent[0]); |
364 |
|
365 |
init_command (cmd_argv); |
366 |
|
367 |
pty_ev.start (cmd_fd, EVENT_READ); |
368 |
|
369 |
check_ev.start (); |
370 |
|
371 |
return true; |
372 |
} |
373 |
|
374 |
/* ------------------------------------------------------------------------- * |
375 |
* SIGNAL HANDLING & EXIT HANDLER * |
376 |
* ------------------------------------------------------------------------- */ |
377 |
/* |
378 |
* Catch a SIGCHLD signal and exit if the direct child has died |
379 |
*/ |
380 |
/* ARGSUSED */ |
381 |
/* EXTPROTO */ |
382 |
RETSIGTYPE |
383 |
rxvt_Child_signal (int sig __attribute__ ((unused))) |
384 |
{ |
385 |
int pid, save_errno = errno; |
386 |
while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR) |
387 |
; |
388 |
errno = save_errno; |
389 |
|
390 |
#if 0 |
391 |
if (pid == cmd_pid) |
392 |
exit (EXIT_SUCCESS); |
393 |
#endif |
394 |
} |
395 |
|
396 |
/* |
397 |
* Catch a fatal signal and tidy up before quitting |
398 |
*/ |
399 |
/* EXTPROTO */ |
400 |
RETSIGTYPE |
401 |
rxvt_Exit_signal (int sig) |
402 |
{ |
403 |
signal (sig, SIG_DFL); |
404 |
#ifdef DEBUG_CMD |
405 |
rxvt_print_error ("signal %d", sig); |
406 |
#endif |
407 |
rxvt_clean_exit (); |
408 |
kill (getpid (), sig); |
409 |
} |
410 |
|
411 |
/* INTPROTO */ |
412 |
int |
413 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
414 |
{ |
415 |
if (GET_R->allowedxerror == -1) |
416 |
GET_R->allowedxerror = event->error_code; |
417 |
else |
418 |
{ |
419 |
old_xerror_handler (display, event); |
420 |
GET_R->destroy (); |
421 |
} |
422 |
|
423 |
return 0; |
424 |
} |
425 |
|
426 |
/*----------------------------------------------------------------------*/ |
427 |
/* |
428 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
429 |
* TODO: if debugging, this should free up any known resources if we can |
430 |
*/ |
431 |
/* EXTPROTO */ |
432 |
void |
433 |
rxvt_clean_exit () |
434 |
{ |
435 |
// TODO: rxvtd should clean up all ressources |
436 |
if (GET_R) |
437 |
GET_R->destroy (); |
438 |
} |
439 |
|
440 |
/* ------------------------------------------------------------------------- * |
441 |
* MEMORY ALLOCATION WRAPPERS * |
442 |
* ------------------------------------------------------------------------- */ |
443 |
/* EXTPROTO */ |
444 |
void * |
445 |
rxvt_malloc (size_t size) |
446 |
{ |
447 |
void *p; |
448 |
|
449 |
p = malloc (size); |
450 |
if (p) |
451 |
return p; |
452 |
|
453 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
454 |
rxvt_clean_exit (); |
455 |
exit (EXIT_FAILURE); |
456 |
/* NOTREACHED */ |
457 |
} |
458 |
|
459 |
/* EXTPROTO */ |
460 |
void * |
461 |
rxvt_calloc (size_t number, size_t size) |
462 |
{ |
463 |
void *p; |
464 |
|
465 |
p = calloc (number, size); |
466 |
if (p) |
467 |
return p; |
468 |
|
469 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
470 |
rxvt_clean_exit (); |
471 |
exit (EXIT_FAILURE); |
472 |
/* NOTREACHED */ |
473 |
} |
474 |
|
475 |
/* EXTPROTO */ |
476 |
void * |
477 |
rxvt_realloc (void *ptr, size_t size) |
478 |
{ |
479 |
void *p; |
480 |
|
481 |
if (ptr) |
482 |
p = realloc (ptr, size); |
483 |
else |
484 |
p = malloc (size); |
485 |
if (p) |
486 |
return p; |
487 |
|
488 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
489 |
rxvt_clean_exit (); |
490 |
exit (EXIT_FAILURE); |
491 |
/* NOTREACHED */ |
492 |
} |
493 |
|
494 |
/* ------------------------------------------------------------------------- * |
495 |
* PRIVILEGED OPERATIONS * |
496 |
* ------------------------------------------------------------------------- */ |
497 |
/* take care of suid/sgid super-user (root) privileges */ |
498 |
void |
499 |
rxvt_term::privileges (int mode) |
500 |
{ |
501 |
#if ! defined(__CYGWIN32__) |
502 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
503 |
/* setreuid () is the poor man's setuid (), seteuid () */ |
504 |
# define seteuid(a) setreuid(-1, (a)) |
505 |
# define setegid(a) setregid(-1, (a)) |
506 |
# define HAVE_SETEUID |
507 |
# endif |
508 |
# ifdef HAVE_SETEUID |
509 |
switch (mode) |
510 |
{ |
511 |
case IGNORE: |
512 |
/* |
513 |
* change effective uid/gid - not real uid/gid - so we can switch |
514 |
* back to root later, as required |
515 |
*/ |
516 |
seteuid (getuid ()); |
517 |
setegid (getgid ()); |
518 |
break; |
519 |
case SAVE: |
520 |
euid = geteuid (); |
521 |
egid = getegid (); |
522 |
break; |
523 |
case RESTORE: |
524 |
seteuid (euid); |
525 |
setegid (egid); |
526 |
break; |
527 |
} |
528 |
# else |
529 |
switch (mode) |
530 |
{ |
531 |
case IGNORE: |
532 |
setuid (getuid ()); |
533 |
setgid (getgid ()); |
534 |
/* FALLTHROUGH */ |
535 |
case SAVE: |
536 |
/* FALLTHROUGH */ |
537 |
case RESTORE: |
538 |
break; |
539 |
} |
540 |
# endif |
541 |
#endif |
542 |
} |
543 |
|
544 |
#ifdef UTMP_SUPPORT |
545 |
void |
546 |
rxvt_term::privileged_utmp (char action) |
547 |
{ |
548 |
D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)", |
549 |
action, next_utmp_action, getpid ())); |
550 |
if (next_utmp_action != action || (action != SAVE && action != RESTORE) |
551 |
|| (Options & Opt_utmpInhibit) |
552 |
|| ttydev == NULL || *ttydev == '\0') |
553 |
return; |
554 |
|
555 |
privileges (RESTORE); |
556 |
if (action == SAVE) |
557 |
{ |
558 |
next_utmp_action = RESTORE; |
559 |
makeutent (ttydev, rs[Rs_display_name]); |
560 |
} |
561 |
else |
562 |
{ /* action == RESTORE */ |
563 |
next_utmp_action = IGNORE; |
564 |
cleanutent (); |
565 |
} |
566 |
privileges (IGNORE); |
567 |
} |
568 |
#endif |
569 |
|
570 |
#ifndef NO_SETOWNER_TTYDEV |
571 |
void |
572 |
rxvt_term::privileged_ttydev (char action) |
573 |
{ |
574 |
D_MAIN ((stderr, |
575 |
"privileged_ttydev (%c); waiting for: %c (pid: %d)", |
576 |
action, next_tty_action, getpid ())); |
577 |
if (next_tty_action != action || (action != SAVE && action != RESTORE) |
578 |
|| ttydev == NULL || *ttydev == '\0') |
579 |
return; |
580 |
|
581 |
privileges (RESTORE); |
582 |
|
583 |
if (action == SAVE) |
584 |
{ |
585 |
next_tty_action = RESTORE; |
586 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
587 |
/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
588 |
if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */ |
589 |
next_tty_action = IGNORE; |
590 |
else |
591 |
# endif |
592 |
|
593 |
{ |
594 |
chown (ttydev, getuid (), ttygid); /* fail silently */ |
595 |
chmod (ttydev, ttymode); |
596 |
# ifdef HAVE_REVOKE |
597 |
revoke (ttydev); |
598 |
# endif |
599 |
|
600 |
} |
601 |
} |
602 |
else |
603 |
{ /* action == RESTORE */ |
604 |
next_tty_action = IGNORE; |
605 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
606 |
chmod (ttydev, ttyfd_stat.st_mode); |
607 |
chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid); |
608 |
# else |
609 |
chmod (ttydev, |
610 |
(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
611 |
chown (ttydev, 0, 0); |
612 |
# endif |
613 |
|
614 |
} |
615 |
|
616 |
privileges (IGNORE); |
617 |
|
618 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
619 |
D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", |
620 |
action == RESTORE ? "Restoring" : (action == |
621 |
SAVE ? "Saving" : |
622 |
"UNKNOWN ERROR for"), ttydev, |
623 |
ttyfd_stat.st_mode, ttyfd_stat.st_uid, |
624 |
ttyfd_stat.st_gid)); |
625 |
# endif |
626 |
} |
627 |
#endif |
628 |
|
629 |
/*----------------------------------------------------------------------*/ |
630 |
/* |
631 |
* window size/position calculcations for XSizeHint and other storage. |
632 |
* if width/height are non-zero then override calculated width/height |
633 |
*/ |
634 |
void |
635 |
rxvt_term::window_calc (unsigned int width, unsigned int height) |
636 |
{ |
637 |
short recalc_x, recalc_y; |
638 |
int x, y, sb_w, mb_h, flags; |
639 |
unsigned int w, h; |
640 |
unsigned int max_width, max_height; |
641 |
|
642 |
D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
643 |
TermWin.ncol, TermWin.nrow, szHint.width, |
644 |
szHint.height)); |
645 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
646 |
szHint.win_gravity = NorthWestGravity; |
647 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
648 |
|
649 |
recalc_x = recalc_y = 0; |
650 |
flags = 0; |
651 |
if (!parsed_geometry) |
652 |
{ |
653 |
parsed_geometry = 1; |
654 |
if (rs[Rs_geometry]) |
655 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
656 |
if (flags & WidthValue) |
657 |
{ |
658 |
TermWin.ncol = BOUND_POSITIVE_INT16 (w); |
659 |
szHint.flags |= USSize; |
660 |
} |
661 |
if (flags & HeightValue) |
662 |
{ |
663 |
TermWin.nrow = BOUND_POSITIVE_INT16 (h); |
664 |
szHint.flags |= USSize; |
665 |
} |
666 |
if (flags & XValue) |
667 |
{ |
668 |
szHint.x = x; |
669 |
szHint.flags |= USPosition; |
670 |
if (flags & XNegative) |
671 |
{ |
672 |
recalc_x = 1; |
673 |
szHint.win_gravity = NorthEastGravity; |
674 |
} |
675 |
} |
676 |
if (flags & YValue) |
677 |
{ |
678 |
szHint.y = y; |
679 |
szHint.flags |= USPosition; |
680 |
if (flags & YNegative) |
681 |
{ |
682 |
recalc_y = 1; |
683 |
if (szHint.win_gravity == NorthEastGravity) |
684 |
szHint.win_gravity = SouthEastGravity; |
685 |
else |
686 |
szHint.win_gravity = SouthWestGravity; |
687 |
} |
688 |
} |
689 |
} |
690 |
/* TODO: BOUNDS */ |
691 |
TermWin.width = TermWin.ncol * TermWin.fwidth; |
692 |
TermWin.height = TermWin.nrow * TermWin.fheight; |
693 |
max_width = MAX_COLS * TermWin.fwidth; |
694 |
max_height = MAX_ROWS * TermWin.fheight; |
695 |
|
696 |
szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; |
697 |
|
698 |
sb_w = mb_h = 0; |
699 |
window_vt_x = window_vt_y = 0; |
700 |
if (scrollbar_visible ()) |
701 |
{ |
702 |
sb_w = scrollbar_TotalWidth (); |
703 |
szHint.base_width += sb_w; |
704 |
if (! (Options & Opt_scrollBar_right)) |
705 |
window_vt_x = sb_w; |
706 |
} |
707 |
if (menubar_visible ()) |
708 |
{ |
709 |
mb_h = menuBar_TotalHeight (); |
710 |
szHint.base_height += mb_h; |
711 |
window_vt_y = mb_h; |
712 |
} |
713 |
szHint.width_inc = TermWin.fwidth; |
714 |
szHint.height_inc = TermWin.fheight; |
715 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
716 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
717 |
|
718 |
if (width && width - szHint.base_width < max_width) |
719 |
{ |
720 |
szHint.width = width; |
721 |
TermWin.width = width - szHint.base_width; |
722 |
} |
723 |
else |
724 |
{ |
725 |
MIN_IT (TermWin.width, max_width); |
726 |
szHint.width = szHint.base_width + TermWin.width; |
727 |
} |
728 |
if (height && height - szHint.base_height < max_height) |
729 |
{ |
730 |
szHint.height = height; |
731 |
TermWin.height = height - szHint.base_height; |
732 |
} |
733 |
else |
734 |
{ |
735 |
MIN_IT (TermWin.height, max_height); |
736 |
szHint.height = szHint.base_height + TermWin.height; |
737 |
} |
738 |
if (scrollbar_visible () && (Options & Opt_scrollBar_right)) |
739 |
window_sb_x = szHint.width - sb_w; |
740 |
|
741 |
if (recalc_x) |
742 |
szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display)) |
743 |
- szHint.width - 2 * TermWin.ext_bwidth); |
744 |
if (recalc_y) |
745 |
szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display)) |
746 |
- szHint.height - 2 * TermWin.ext_bwidth); |
747 |
|
748 |
TermWin.ncol = TermWin.width / TermWin.fwidth; |
749 |
TermWin.nrow = TermWin.height / TermWin.fheight; |
750 |
D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
751 |
TermWin.ncol, TermWin.nrow, szHint.width, |
752 |
szHint.height)); |
753 |
return; |
754 |
} |
755 |
|
756 |
/*----------------------------------------------------------------------*/ |
757 |
/* |
758 |
* Tell the teletype handler what size the window is. |
759 |
* Called after a window size change. |
760 |
*/ |
761 |
void |
762 |
rxvt_term::tt_winch () |
763 |
{ |
764 |
struct winsize ws; |
765 |
|
766 |
if (cmd_fd < 0) |
767 |
return; |
768 |
|
769 |
ws.ws_col = TermWin.ncol; |
770 |
ws.ws_row = TermWin.nrow; |
771 |
ws.ws_xpixel = ws.ws_ypixel = 0; |
772 |
#ifndef DEBUG_SIZE |
773 |
(void)ioctl (cmd_fd, TIOCSWINSZ, &ws); |
774 |
#else |
775 |
if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) |
776 |
D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); |
777 |
# ifdef SIGWINCH |
778 |
else if (cmd_pid) /* force through to the command */ |
779 |
kill (cmd_pid, SIGWINCH); |
780 |
# endif |
781 |
#endif |
782 |
} |
783 |
|
784 |
/*----------------------------------------------------------------------*/ |
785 |
/* rxvt_change_font () - Switch to a new font */ |
786 |
/* |
787 |
* init = 1 - initialize |
788 |
* |
789 |
* fontname == FONT_UP - switch to bigger font |
790 |
* fontname == FONT_DN - switch to smaller font |
791 |
*/ |
792 |
bool |
793 |
rxvt_term::change_font (const char *fontname) |
794 |
{ |
795 |
if (fontname == FONT_UP) |
796 |
{ |
797 |
// TODO |
798 |
} |
799 |
else if (fontname == FONT_DN) |
800 |
{ |
801 |
// TODO |
802 |
} |
803 |
else |
804 |
{ |
805 |
rxvt_fontset *fs = new rxvt_fontset (this); |
806 |
|
807 |
if (fs && fs->populate (fontname ? fontname : "fixed")) |
808 |
{ |
809 |
delete TermWin.fontset; |
810 |
TermWin.fontset = fs; |
811 |
TermWin.fwidth = fs->base_font ()->width; |
812 |
TermWin.fheight = fs->base_font ()->height; |
813 |
TermWin.fbase = fs->base_font ()->ascent; |
814 |
|
815 |
if (TermWin.parent[0]) |
816 |
{ |
817 |
resize_all_windows (0, 0, 0); |
818 |
scr_remap_chars (); |
819 |
scr_touch (true); |
820 |
} |
821 |
|
822 |
return true; |
823 |
} |
824 |
} |
825 |
|
826 |
return false; |
827 |
} |
828 |
|
829 |
bool |
830 |
rxvt_term::font_up_down (int n, int direction) |
831 |
{ |
832 |
return false; |
833 |
} |
834 |
|
835 |
/*----------------------------------------------------------------------*/ |
836 |
/*----------------------------------------------------------------------*/ |
837 |
/* xterm sequences - title, iconName, color (exptl) */ |
838 |
void |
839 |
rxvt_term::set_title (const char *str) |
840 |
{ |
841 |
#ifndef SMART_WINDOW_TITLE |
842 |
XStoreName (display->display, TermWin.parent[0], str); |
843 |
#else |
844 |
char *name; |
845 |
|
846 |
if (XFetchName (display->display, TermWin.parent[0], &name) == 0) |
847 |
name = NULL; |
848 |
if (name == NULL || STRCMP (name, str)) |
849 |
XStoreName (display->display, TermWin.parent[0], str); |
850 |
if (name) |
851 |
XFree (name); |
852 |
#endif |
853 |
} |
854 |
|
855 |
void |
856 |
rxvt_term::set_iconName (const char *str) |
857 |
{ |
858 |
#ifndef SMART_WINDOW_TITLE |
859 |
XSetIconName (display->display, TermWin.parent[0], str); |
860 |
#else |
861 |
char *name; |
862 |
|
863 |
if (XGetIconName (display->display, TermWin.parent[0], &name)) |
864 |
name = NULL; |
865 |
if (name == NULL || STRCMP (name, str)) |
866 |
XSetIconName (display->display, TermWin.parent[0], str); |
867 |
if (name) |
868 |
XFree (name); |
869 |
#endif |
870 |
} |
871 |
|
872 |
#ifdef XTERM_COLOR_CHANGE |
873 |
void |
874 |
rxvt_term::set_window_color (int idx, const char *color) |
875 |
{ |
876 |
rxvt_color xcol; |
877 |
int i; |
878 |
|
879 |
if (color == NULL || *color == '\0') |
880 |
return; |
881 |
|
882 |
/* handle color aliases */ |
883 |
if (isdigit (*color)) |
884 |
{ |
885 |
i = atoi (color); |
886 |
if (i >= 8 && i <= 15) |
887 |
{ /* bright colors */ |
888 |
i -= 8; |
889 |
# ifndef NO_BRIGHTCOLOR |
890 |
PixColors[idx] = PixColors[minBrightCOLOR + i]; |
891 |
SET_PIXCOLOR (idx); |
892 |
goto Done; |
893 |
# endif |
894 |
|
895 |
} |
896 |
if (i >= 0 && i <= 7) |
897 |
{ /* normal colors */ |
898 |
PixColors[idx] = PixColors[minCOLOR + i]; |
899 |
SET_PIXCOLOR (idx); |
900 |
goto Done; |
901 |
} |
902 |
} |
903 |
if (!rXParseAllocColor (& xcol, color)) |
904 |
return; |
905 |
/* XStoreColor (display->display, XCMAP, XColor*); */ |
906 |
|
907 |
/* |
908 |
* FIXME: should free colors here, but no idea how to do it so instead, |
909 |
* so just keep gobbling up the colormap |
910 |
*/ |
911 |
# if 0 |
912 |
for (i = Color_Black; i <= Color_White; i++) |
913 |
if (PixColors[idx] == PixColors[i]) |
914 |
break; |
915 |
if (i > Color_White) |
916 |
{ |
917 |
/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */ |
918 |
XFreeColors (display->display, XCMAP, (PixColors + idx), 1, |
919 |
DisplayPlanes (display->display, display->screen)); |
920 |
} |
921 |
# endif |
922 |
|
923 |
PixColors[idx] = xcol; |
924 |
SET_PIXCOLOR (idx); |
925 |
|
926 |
/* XSetWindowAttributes attr; */ |
927 |
/* Cursor cursor; */ |
928 |
Done: |
929 |
if (idx == Color_bg && ! (Options & Opt_transparent)) |
930 |
XSetWindowBackground (display->display, TermWin.vt, |
931 |
PixColors[Color_bg]); |
932 |
|
933 |
/* handle Color_BD, scrollbar background, etc. */ |
934 |
|
935 |
set_colorfgbg (); |
936 |
recolour_cursor (); |
937 |
/* the only reasonable way to enforce a clean update */ |
938 |
scr_poweron (); |
939 |
} |
940 |
|
941 |
#else |
942 |
# define set_window_color (idx,color) ((void)0) |
943 |
#endif /* XTERM_COLOR_CHANGE */ |
944 |
|
945 |
void |
946 |
rxvt_term::recolour_cursor () |
947 |
{ |
948 |
#if TODO |
949 |
rxvt_color xcol[2]; |
950 |
|
951 |
xcol[0] = PixColors[Color_pointer]; |
952 |
xcol[1] = PixColors[Color_bg]; |
953 |
XQueryColors (display->display, XCMAP, xcol, 2); |
954 |
XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1])); |
955 |
#endif |
956 |
} |
957 |
|
958 |
/*----------------------------------------------------------------------*/ |
959 |
/* |
960 |
* find if fg/bg matches any of the normal (low-intensity) colors |
961 |
*/ |
962 |
void |
963 |
rxvt_term::set_colorfgbg () |
964 |
{ |
965 |
unsigned int i; |
966 |
const char *xpmb = "\0"; |
967 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
968 |
|
969 |
env_colorfgbg = |
970 |
(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1); |
971 |
STRCPY (fstr, "default"); |
972 |
STRCPY (bstr, "default"); |
973 |
for (i = Color_Black; i <= Color_White; i++) |
974 |
if (PixColors[Color_fg] == PixColors[i]) |
975 |
{ |
976 |
sprintf (fstr, "%d", (i - Color_Black)); |
977 |
break; |
978 |
} |
979 |
for (i = Color_Black; i <= Color_White; i++) |
980 |
if (PixColors[Color_bg] == PixColors[i]) |
981 |
{ |
982 |
sprintf (bstr, "%d", (i - Color_Black)); |
983 |
#ifdef XPM_BACKGROUND |
984 |
xpmb = "default;"; |
985 |
#endif |
986 |
break; |
987 |
} |
988 |
|
989 |
sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
990 |
|
991 |
#ifndef NO_BRIGHTCOLOR |
992 |
colorfgbg = DEFAULT_RSTYLE; |
993 |
for (i = minCOLOR; i <= maxCOLOR; i++) |
994 |
{ |
995 |
if (PixColors[Color_fg] == PixColors[i]) |
996 |
colorfgbg = SET_FGCOLOR (colorfgbg, i); |
997 |
if (PixColors[Color_bg] == PixColors[i]) |
998 |
colorfgbg = SET_BGCOLOR (colorfgbg, i); |
999 |
} |
1000 |
#endif |
1001 |
} |
1002 |
|
1003 |
/*----------------------------------------------------------------------*/ |
1004 |
/* |
1005 |
* Colour determination for low colour displays, routine from |
1006 |
* Hans de Goede <hans@highrise.nl> |
1007 |
*/ |
1008 |
|
1009 |
int |
1010 |
rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) |
1011 |
{ |
1012 |
if (!screen_in_out->set (display, colour)) |
1013 |
{ |
1014 |
rxvt_print_error ("can't allocate colour: %s", colour); |
1015 |
return false; |
1016 |
} |
1017 |
|
1018 |
return true; |
1019 |
} |
1020 |
|
1021 |
/* -------------------------------------------------------------------- * |
1022 |
* - WINDOW RESIZING - * |
1023 |
* -------------------------------------------------------------------- */ |
1024 |
void |
1025 |
rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) |
1026 |
{ |
1027 |
int fix_screen; |
1028 |
|
1029 |
#ifdef SMART_RESIZE |
1030 |
int old_width = szHint.width, old_height = szHint.height; |
1031 |
#endif |
1032 |
|
1033 |
window_calc (width, height); |
1034 |
XSetWMNormalHints (display->display, TermWin.parent[0], &szHint); |
1035 |
if (!ignoreparent) |
1036 |
{ |
1037 |
#ifdef SMART_RESIZE |
1038 |
/* |
1039 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
1040 |
* reposition window on resize depending on placement on screen |
1041 |
*/ |
1042 |
int x, y, x1, y1; |
1043 |
int dx, dy; |
1044 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
1045 |
Window unused_cr; |
1046 |
|
1047 |
XTranslateCoordinates (display->display, TermWin.parent[0], display->root, |
1048 |
0, 0, &x, &y, &unused_cr); |
1049 |
XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1, |
1050 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
1051 |
/* |
1052 |
* if display->root isn't the parent window, a WM will probably have offset |
1053 |
* our position for handles and decorations. Counter it |
1054 |
*/ |
1055 |
if (x1 != x || y1 != y) |
1056 |
{ |
1057 |
x -= x1; |
1058 |
y -= y1; |
1059 |
} |
1060 |
|
1061 |
x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2; |
1062 |
y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2; |
1063 |
dx = old_width - szHint.width; |
1064 |
dy = old_height - szHint.height; |
1065 |
|
1066 |
/* Check position of the center of the window */ |
1067 |
if (x < x1) /* left half */ |
1068 |
dx = 0; |
1069 |
else if (x == x1) /* exact center */ |
1070 |
dx /= 2; |
1071 |
if (y < y1) /* top half */ |
1072 |
dy = 0; |
1073 |
else if (y == y1) /* exact center */ |
1074 |
dy /= 2; |
1075 |
|
1076 |
XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy, |
1077 |
szHint.width, szHint.height); |
1078 |
#else |
1079 |
XResizeWindow (display->display, TermWin.parent[0], szHint.width, |
1080 |
szHint.height); |
1081 |
#endif |
1082 |
|
1083 |
} |
1084 |
|
1085 |
fix_screen = (TermWin.ncol != prev_ncol |
1086 |
|| TermWin.nrow != prev_nrow); |
1087 |
|
1088 |
if (fix_screen || width != old_width || height != old_height) |
1089 |
{ |
1090 |
if (scrollbar_visible ()) |
1091 |
{ |
1092 |
XMoveResizeWindow (display->display, scrollBar.win, window_sb_x, |
1093 |
0, scrollbar_TotalWidth (), szHint.height); |
1094 |
resize_scrollbar (); |
1095 |
} |
1096 |
|
1097 |
if (menubar_visible ()) |
1098 |
XMoveResizeWindow (display->display, menuBar.win, window_vt_x, |
1099 |
0, TermWin_TotalWidth (), menuBar_TotalHeight ()); |
1100 |
|
1101 |
XMoveResizeWindow (display->display, TermWin.vt, window_vt_x, |
1102 |
window_vt_y, TermWin_TotalWidth (), |
1103 |
TermWin_TotalHeight ()); |
1104 |
scr_clear (height != old_height); |
1105 |
#ifdef XPM_BACKGROUND |
1106 |
resize_pixmap (); |
1107 |
#endif |
1108 |
|
1109 |
} |
1110 |
|
1111 |
if (fix_screen || old_height == 0) |
1112 |
{ |
1113 |
int curr_screen = -1; |
1114 |
int old_ncol = prev_ncol; |
1115 |
|
1116 |
/* scr_reset only works on the primary screen */ |
1117 |
if (old_height) /* this is not the first time through */ |
1118 |
{ |
1119 |
unsigned int ncol = TermWin.ncol; |
1120 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
1121 |
curr_screen = scr_change_screen (PRIMARY); |
1122 |
TermWin.ncol = ncol; |
1123 |
} |
1124 |
|
1125 |
scr_reset (); |
1126 |
|
1127 |
if (curr_screen >= 0) /* this is not the first time through */ |
1128 |
{ |
1129 |
scr_change_screen (curr_screen); |
1130 |
selection_check (old_ncol != TermWin.ncol ? 4 : 0); |
1131 |
} |
1132 |
} |
1133 |
|
1134 |
old_width = szHint.width; |
1135 |
old_height = szHint.height; |
1136 |
|
1137 |
#ifdef USE_XIM |
1138 |
IMSetStatusPosition (); |
1139 |
#endif |
1140 |
} |
1141 |
|
1142 |
/* |
1143 |
* Set the width/height of the vt window in characters. Units are pixels. |
1144 |
* good for toggling 80/132 columns |
1145 |
*/ |
1146 |
void |
1147 |
rxvt_term::set_widthheight (unsigned int width, unsigned int height) |
1148 |
{ |
1149 |
XWindowAttributes wattr; |
1150 |
|
1151 |
if (width == 0 || height == 0) |
1152 |
{ |
1153 |
XGetWindowAttributes (display->display, display->root, &wattr); |
1154 |
if (width == 0) |
1155 |
width = wattr.width - szHint.base_width; |
1156 |
if (height == 0) |
1157 |
height = wattr.height - szHint.base_height; |
1158 |
} |
1159 |
if (width != TermWin.width || height != TermWin.height) |
1160 |
{ |
1161 |
width += szHint.base_width; |
1162 |
height += szHint.base_height; |
1163 |
resize_all_windows (width, height, 0); |
1164 |
} |
1165 |
} |
1166 |
|
1167 |
/* -------------------------------------------------------------------- * |
1168 |
* - X INPUT METHOD ROUTINES - * |
1169 |
* -------------------------------------------------------------------- */ |
1170 |
#ifdef USE_XIM |
1171 |
|
1172 |
void |
1173 |
rxvt_term::im_set_size (XRectangle *size) |
1174 |
{ |
1175 |
size->x = TermWin.int_bwidth; |
1176 |
size->y = TermWin.int_bwidth; |
1177 |
size->width = Width2Pixel (TermWin.ncol); |
1178 |
size->height = Height2Pixel (TermWin.nrow); |
1179 |
} |
1180 |
|
1181 |
void |
1182 |
rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg) |
1183 |
{ |
1184 |
*fg = PixColors[Color_fg]; |
1185 |
*bg = PixColors[Color_bg]; |
1186 |
} |
1187 |
|
1188 |
/* Checking whether input method is running. */ |
1189 |
bool |
1190 |
rxvt_term::IMisRunning () |
1191 |
{ |
1192 |
char *p; |
1193 |
Atom atom; |
1194 |
Window win; |
1195 |
char server[IMBUFSIZ]; |
1196 |
|
1197 |
/* get current locale modifier */ |
1198 |
if ((p = XSetLocaleModifiers (NULL)) != NULL) |
1199 |
{ |
1200 |
STRCPY (server, "@server="); |
1201 |
STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1202 |
if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */ |
1203 |
*p = '\0'; |
1204 |
|
1205 |
atom = XInternAtom (display->display, server, False); |
1206 |
win = XGetSelectionOwner (display->display, atom); |
1207 |
if (win != None) |
1208 |
return True; |
1209 |
} |
1210 |
return False; |
1211 |
} |
1212 |
|
1213 |
void |
1214 |
rxvt_term::IMSendSpot () |
1215 |
{ |
1216 |
XPoint spot; |
1217 |
XVaNestedList preedit_attr; |
1218 |
|
1219 |
if (Input_Context == NULL |
1220 |
|| !TermWin.focus || ! (input_style & XIMPreeditPosition) |
1221 |
|| ! (event_type == KeyPress |
1222 |
|| event_type == Expose |
1223 |
|| event_type == NoExpose |
1224 |
|| event_type == SelectionNotify |
1225 |
|| event_type == ButtonRelease || event_type == FocusIn) |
1226 |
|| !IMisRunning ()) |
1227 |
return; |
1228 |
|
1229 |
im_set_position (&spot); |
1230 |
|
1231 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1232 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1233 |
XFree (preedit_attr); |
1234 |
} |
1235 |
|
1236 |
void |
1237 |
rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect, |
1238 |
XRectangle * needed_rect) |
1239 |
{ |
1240 |
int mbh, vtx = 0; |
1241 |
|
1242 |
if (scrollbar_visible () && ! (Options & Opt_scrollBar_right)) |
1243 |
vtx = scrollbar_TotalWidth (); |
1244 |
|
1245 |
mbh = menubar_visible () ? menuBar_TotalHeight () : 0; |
1246 |
mbh -= TermWin.lineSpace; |
1247 |
|
1248 |
preedit_rect->x = needed_rect->width + vtx; |
1249 |
preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh; |
1250 |
|
1251 |
preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx; |
1252 |
preedit_rect->height = Height2Pixel (1); |
1253 |
|
1254 |
status_rect->x = vtx; |
1255 |
status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh; |
1256 |
|
1257 |
status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1); |
1258 |
status_rect->height = Height2Pixel (1); |
1259 |
} |
1260 |
|
1261 |
void |
1262 |
rxvt_term::im_destroy () |
1263 |
{ |
1264 |
if (Input_Context) |
1265 |
{ |
1266 |
XDestroyIC (Input_Context); |
1267 |
Input_Context = NULL; |
1268 |
} |
1269 |
|
1270 |
if (input_method) |
1271 |
{ |
1272 |
display->put_xim (input_method); |
1273 |
input_method = 0; |
1274 |
} |
1275 |
} |
1276 |
|
1277 |
/* |
1278 |
* Try to open a XIM with the current modifiers, then see if we can |
1279 |
* open a suitable preedit type |
1280 |
*/ |
1281 |
bool |
1282 |
rxvt_term::IM_get_IC (const char *modifiers) |
1283 |
{ |
1284 |
int i, j, found; |
1285 |
XIM xim; |
1286 |
XPoint spot; |
1287 |
XRectangle rect, status_rect, needed_rect; |
1288 |
unsigned long fg, bg; |
1289 |
const char *p; |
1290 |
char **s; |
1291 |
XIMStyles *xim_styles; |
1292 |
XVaNestedList preedit_attr, status_attr; |
1293 |
|
1294 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1295 |
return false; |
1296 |
|
1297 |
D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1298 |
input_method = display->get_xim (locale, modifiers); |
1299 |
if (input_method == NULL) |
1300 |
return false; |
1301 |
|
1302 |
xim = input_method->xim; |
1303 |
|
1304 |
xim_styles = NULL; |
1305 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1306 |
|| !xim_styles || !xim_styles->count_styles) |
1307 |
{ |
1308 |
display->put_xim (input_method); |
1309 |
return false; |
1310 |
} |
1311 |
|
1312 |
p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root"; |
1313 |
s = rxvt_splitcommastring (p); |
1314 |
for (i = found = 0; !found && s[i]; i++) |
1315 |
{ |
1316 |
if (!STRCMP (s[i], "OverTheSpot")) |
1317 |
input_style = (XIMPreeditPosition | XIMStatusNothing); |
1318 |
else if (!STRCMP (s[i], "OffTheSpot")) |
1319 |
input_style = (XIMPreeditArea | XIMStatusArea); |
1320 |
else if (!STRCMP (s[i], "Root")) |
1321 |
input_style = (XIMPreeditNothing | XIMStatusNothing); |
1322 |
|
1323 |
for (j = 0; j < xim_styles->count_styles; j++) |
1324 |
if (input_style == xim_styles->supported_styles[j]) |
1325 |
{ |
1326 |
found = 1; |
1327 |
break; |
1328 |
} |
1329 |
} |
1330 |
|
1331 |
for (i = 0; s[i]; i++) |
1332 |
free (s[i]); |
1333 |
|
1334 |
free (s); |
1335 |
XFree (xim_styles); |
1336 |
|
1337 |
if (!found) |
1338 |
{ |
1339 |
display->put_xim (input_method); |
1340 |
return false; |
1341 |
} |
1342 |
|
1343 |
preedit_attr = status_attr = NULL; |
1344 |
|
1345 |
if (input_style & XIMPreeditPosition) |
1346 |
{ |
1347 |
im_set_size (&rect); |
1348 |
im_set_position (&spot); |
1349 |
im_set_color (&fg, &bg); |
1350 |
|
1351 |
preedit_attr = XVaCreateNestedList (0, XNArea, &rect, |
1352 |
XNSpotLocation, &spot, |
1353 |
XNForeground, fg, XNBackground, bg, |
1354 |
//XNFontSet, TermWin.fontset, |
1355 |
NULL); |
1356 |
} |
1357 |
else if (input_style & XIMPreeditArea) |
1358 |
{ |
1359 |
im_set_color (&fg, &bg); |
1360 |
|
1361 |
/* |
1362 |
* The necessary width of preedit area is unknown |
1363 |
* until create input context. |
1364 |
*/ |
1365 |
needed_rect.width = 0; |
1366 |
|
1367 |
im_set_preedit_area (&rect, &status_rect, &needed_rect); |
1368 |
|
1369 |
preedit_attr = XVaCreateNestedList (0, XNArea, &rect, |
1370 |
XNForeground, fg, XNBackground, bg, |
1371 |
//XNFontSet, TermWin.fontset, |
1372 |
NULL); |
1373 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, |
1374 |
XNForeground, fg, XNBackground, bg, |
1375 |
//XNFontSet, TermWin.fontset, |
1376 |
NULL); |
1377 |
} |
1378 |
|
1379 |
Input_Context = XCreateIC (xim, XNInputStyle, input_style, |
1380 |
XNClientWindow, TermWin.parent[0], |
1381 |
XNFocusWindow, TermWin.parent[0], |
1382 |
preedit_attr ? XNPreeditAttributes : NULL, |
1383 |
preedit_attr, |
1384 |
status_attr ? XNStatusAttributes : NULL, |
1385 |
status_attr, NULL); |
1386 |
if (preedit_attr) XFree (preedit_attr); |
1387 |
if (status_attr) XFree (status_attr); |
1388 |
|
1389 |
if (Input_Context == NULL) |
1390 |
{ |
1391 |
rxvt_print_error ("failed to create input context"); |
1392 |
display->put_xim (input_method); |
1393 |
return false; |
1394 |
} |
1395 |
|
1396 |
if (input_style & XIMPreeditArea) |
1397 |
IMSetStatusPosition (); |
1398 |
|
1399 |
D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection")); |
1400 |
return true; |
1401 |
} |
1402 |
|
1403 |
void |
1404 |
rxvt_term::im_cb () |
1405 |
{ |
1406 |
int i, found, had_im; |
1407 |
const char *p; |
1408 |
char **s; |
1409 |
char buf[IMBUFSIZ]; |
1410 |
|
1411 |
im_destroy (); |
1412 |
|
1413 |
D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1414 |
if (Input_Context) |
1415 |
return; |
1416 |
|
1417 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1418 |
if (rs[Rs_imLocale]) |
1419 |
SET_LOCALE (rs[Rs_imLocale]); |
1420 |
#endif |
1421 |
|
1422 |
p = rs[Rs_inputMethod]; |
1423 |
if (p && *p) |
1424 |
{ |
1425 |
bool found = false; |
1426 |
|
1427 |
s = rxvt_splitcommastring (p); |
1428 |
for (i = 0; s[i]; i++) |
1429 |
{ |
1430 |
if (*s[i]) |
1431 |
{ |
1432 |
STRCPY (buf, "@im="); |
1433 |
STRNCAT (buf, s[i], IMBUFSIZ - 5); |
1434 |
if (IM_get_IC (buf)) |
1435 |
{ |
1436 |
found = true; |
1437 |
break; |
1438 |
} |
1439 |
} |
1440 |
} |
1441 |
for (i = 0; s[i]; i++) |
1442 |
free (s[i]); |
1443 |
free (s); |
1444 |
|
1445 |
if (found) |
1446 |
goto done; |
1447 |
} |
1448 |
|
1449 |
/* try with XMODIFIERS env. var. */ |
1450 |
if (IM_get_IC ("")) |
1451 |
goto done; |
1452 |
|
1453 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1454 |
if (IM_get_IC ("@im=none")) |
1455 |
goto done; |
1456 |
|
1457 |
done: |
1458 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1459 |
if (rs[Rs_imLocale]) |
1460 |
SET_LOCALE (locale); |
1461 |
#endif |
1462 |
} |
1463 |
|
1464 |
void |
1465 |
rxvt_term::IMSetStatusPosition () |
1466 |
{ |
1467 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1468 |
XVaNestedList preedit_attr, status_attr; |
1469 |
|
1470 |
if (Input_Context == NULL |
1471 |
|| !TermWin.focus || ! (input_style & XIMPreeditArea) |
1472 |
|| !IMisRunning ()) |
1473 |
return; |
1474 |
|
1475 |
/* Getting the necessary width of preedit area */ |
1476 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1477 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1478 |
XFree (status_attr); |
1479 |
|
1480 |
im_set_preedit_area (&preedit_rect, &status_rect, needed_rect); |
1481 |
|
1482 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1483 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1484 |
|
1485 |
XSetICValues (Input_Context, |
1486 |
XNPreeditAttributes, preedit_attr, |
1487 |
XNStatusAttributes, status_attr, NULL); |
1488 |
|
1489 |
XFree (preedit_attr); |
1490 |
XFree (status_attr); |
1491 |
} |
1492 |
#endif /* USE_XIM */ |
1493 |
|
1494 |
/*----------------------------------------------------------------------*/ |
1495 |
rxvt_t rxvt_current_term; |
1496 |
|
1497 |
/*----------------------- end-of-file (C source) -----------------------*/ |