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/*--------------------------------*-C-*---------------------------------*; |
2 |
* 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 */ |
34 |
#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 |
|
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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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|
47 |
#include <cstring> |
48 |
|
49 |
static char curlocale[128]; |
50 |
|
51 |
void |
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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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#if ENABLE_COMBINING |
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class rxvt_composite_vec rxvt_composite; |
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|
64 |
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. |
70 |
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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|
89 |
if (!seen++) |
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fprintf (stderr, "too many unrepresentable composite characters, try --enable-unicode3\n"); |
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|
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return REPLACEMENT_CHAR; |
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} |
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|
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v.push_back (compose_char (c1, c2)); |
96 |
|
97 |
return v.size () - 1 + COMPOSE_LO; |
98 |
} |
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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]; |
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|
104 |
if (!cc) |
105 |
{ |
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if (r) *r = c; |
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return 1; |
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} |
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|
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int len = expand (cc->c1, r); |
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|
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if (r) r += len; |
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|
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if (cc->c2 != NOCHAR) |
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{ |
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len++; |
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if (r) *r++ = cc->c2; |
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} |
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|
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return len; |
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|
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} |
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#endif |
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|
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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; |
184 |
|
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if (display) |
186 |
{ |
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#if defined(MENUBAR) && (MENUBAR_MAX > 1) |
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delete menuBar.drawable; |
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//if (menuBar.win) |
190 |
// XDestroyWindow (display->display, menuBar.win); |
191 |
#endif |
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delete TermWin.drawable; |
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// destroy all windows |
194 |
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); |
212 |
|
213 |
delete envv; |
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delete argv; |
215 |
} |
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|
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void |
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rxvt_term::destroy () |
219 |
{ |
220 |
if (display) |
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{ |
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rootwin_ev.stop (display); |
223 |
termwin_ev.stop (display); |
224 |
vt_ev.stop (display); |
225 |
#ifdef USE_XIM |
226 |
im_destroy (); |
227 |
im_ev.stop (display); |
228 |
#endif |
229 |
#ifdef HAVE_SCROLLBARS |
230 |
scrollbar_ev.stop (display); |
231 |
#endif |
232 |
#ifdef MENUBAR |
233 |
menubar_ev.stop (display); |
234 |
#endif |
235 |
} |
236 |
|
237 |
check_ev.stop (); |
238 |
pty_ev.stop (); |
239 |
#ifdef CURSOR_BLINK |
240 |
cursor_blink_ev.stop (); |
241 |
#endif |
242 |
#ifdef TEXT_BLINK |
243 |
text_blink_ev.stop (); |
244 |
#endif |
245 |
#ifdef POINTER_BLANK |
246 |
pointer_ev.stop (); |
247 |
#endif |
248 |
|
249 |
destroy_ev.start (0); |
250 |
} |
251 |
|
252 |
void |
253 |
rxvt_term::destroy_cb (time_watcher &w) |
254 |
{ |
255 |
SET_R (this); |
256 |
|
257 |
delete this; |
258 |
} |
259 |
|
260 |
/*----------------------------------------------------------------------*/ |
261 |
/* rxvt_init () */ |
262 |
/* LIBPROTO */ |
263 |
rxvt_t |
264 |
rxvt_init (int argc, const char *const *argv) |
265 |
{ |
266 |
SET_R (new rxvt_term); |
267 |
|
268 |
if (!GET_R->init_vars () || !GET_R->init (argc, argv)) |
269 |
{ |
270 |
delete GET_R; |
271 |
SET_R (0); |
272 |
} |
273 |
|
274 |
return GET_R; |
275 |
} |
276 |
|
277 |
static int (*old_xerror_handler) (Display *dpy, XErrorEvent *event); |
278 |
|
279 |
void |
280 |
rxvt_init_signals () |
281 |
{ |
282 |
/* install exit handler for cleanup */ |
283 |
#if 0 |
284 |
#ifdef HAVE_ATEXIT |
285 |
atexit (rxvt_clean_exit); |
286 |
#else |
287 |
#endif |
288 |
#endif |
289 |
|
290 |
struct sigaction sa; |
291 |
|
292 |
sigfillset (&sa.sa_mask); |
293 |
sa.sa_flags = SA_NOCLDSTOP | SA_RESTART; |
294 |
sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0); |
295 |
sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0); |
296 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0); |
297 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0); |
298 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0); |
299 |
sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0); |
300 |
|
301 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
302 |
/* signal (SIGURG, SIG_DFL); */ |
303 |
|
304 |
old_xerror_handler = XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
305 |
//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler); |
306 |
} |
307 |
|
308 |
bool |
309 |
rxvt_term::init (int argc, const char *const *argv) |
310 |
{ |
311 |
/* |
312 |
* Save and then give up any super-user privileges |
313 |
* If we need privileges in any area then we must specifically request it. |
314 |
* We should only need to be root in these cases: |
315 |
* 1. write utmp entries on some systems |
316 |
* 2. chown tty on some systems |
317 |
*/ |
318 |
privileges (SAVE); |
319 |
privileges (IGNORE); |
320 |
|
321 |
init_secondary (); |
322 |
|
323 |
const char **cmd_argv = init_resources (argc, argv); |
324 |
|
325 |
set_locale (""); |
326 |
|
327 |
#if MENUBAR_MAX |
328 |
menubar_read (rs[Rs_menu]); |
329 |
#endif |
330 |
#ifdef HAVE_SCROLLBARS |
331 |
if (Options & Opt_scrollBar) |
332 |
scrollBar.setIdle (); /* set existence for size calculations */ |
333 |
#endif |
334 |
|
335 |
create_windows (argc, argv); |
336 |
|
337 |
init_xlocale (); |
338 |
|
339 |
scr_reset (); /* initialize screen */ |
340 |
|
341 |
#if 0 |
342 |
XSynchronize (display->display, True); |
343 |
#endif |
344 |
|
345 |
#ifdef HAVE_SCROLLBARS |
346 |
if (Options & Opt_scrollBar) |
347 |
resize_scrollbar (); /* create and map scrollbar */ |
348 |
#endif |
349 |
#if (MENUBAR_MAX) |
350 |
if (menubar_visible ()) |
351 |
XMapWindow (display->display, menuBar.win); |
352 |
#endif |
353 |
#ifdef TRANSPARENT |
354 |
if (Options & Opt_transparent) |
355 |
{ |
356 |
XSelectInput (display->display, display->root, PropertyChangeMask); |
357 |
check_our_parents (); |
358 |
} |
359 |
#endif |
360 |
|
361 |
rootwin_ev.start (display, display->root); |
362 |
|
363 |
XMapWindow (display->display, TermWin.vt); |
364 |
XMapWindow (display->display, TermWin.parent[0]); |
365 |
|
366 |
init_command (cmd_argv); |
367 |
|
368 |
pty_ev.start (cmd_fd, EVENT_READ); |
369 |
|
370 |
check_ev.start (); |
371 |
|
372 |
return true; |
373 |
} |
374 |
|
375 |
/* ------------------------------------------------------------------------- * |
376 |
* SIGNAL HANDLING & EXIT HANDLER * |
377 |
* ------------------------------------------------------------------------- */ |
378 |
/* |
379 |
* Catch a SIGCHLD signal and exit if the direct child has died |
380 |
*/ |
381 |
/* ARGSUSED */ |
382 |
/* EXTPROTO */ |
383 |
RETSIGTYPE |
384 |
rxvt_Child_signal (int sig __attribute__ ((unused))) |
385 |
{ |
386 |
int pid, save_errno = errno; |
387 |
while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR) |
388 |
; |
389 |
errno = save_errno; |
390 |
|
391 |
#if 0 |
392 |
if (pid == cmd_pid) |
393 |
exit (EXIT_SUCCESS); |
394 |
#endif |
395 |
} |
396 |
|
397 |
/* |
398 |
* Catch a fatal signal and tidy up before quitting |
399 |
*/ |
400 |
/* EXTPROTO */ |
401 |
RETSIGTYPE |
402 |
rxvt_Exit_signal (int sig) |
403 |
{ |
404 |
signal (sig, SIG_DFL); |
405 |
#ifdef DEBUG_CMD |
406 |
rxvt_print_error ("signal %d", sig); |
407 |
#endif |
408 |
rxvt_clean_exit (); |
409 |
kill (getpid (), sig); |
410 |
} |
411 |
|
412 |
/* INTPROTO */ |
413 |
int |
414 |
rxvt_xerror_handler (Display *display, XErrorEvent *event) |
415 |
{ |
416 |
if (GET_R->allowedxerror == -1) |
417 |
GET_R->allowedxerror = event->error_code; |
418 |
else |
419 |
{ |
420 |
old_xerror_handler (display, event); |
421 |
GET_R->destroy (); |
422 |
} |
423 |
|
424 |
return 0; |
425 |
} |
426 |
|
427 |
/*----------------------------------------------------------------------*/ |
428 |
/* |
429 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
430 |
* TODO: if debugging, this should free up any known resources if we can |
431 |
*/ |
432 |
/* EXTPROTO */ |
433 |
void |
434 |
rxvt_clean_exit () |
435 |
{ |
436 |
// TODO: rxvtd should clean up all ressources |
437 |
if (GET_R) |
438 |
GET_R->destroy (); |
439 |
} |
440 |
|
441 |
/* ------------------------------------------------------------------------- * |
442 |
* MEMORY ALLOCATION WRAPPERS * |
443 |
* ------------------------------------------------------------------------- */ |
444 |
/* EXTPROTO */ |
445 |
void * |
446 |
rxvt_malloc (size_t size) |
447 |
{ |
448 |
void *p; |
449 |
|
450 |
p = malloc (size); |
451 |
if (p) |
452 |
return p; |
453 |
|
454 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
455 |
rxvt_clean_exit (); |
456 |
exit (EXIT_FAILURE); |
457 |
/* NOTREACHED */ |
458 |
} |
459 |
|
460 |
/* EXTPROTO */ |
461 |
void * |
462 |
rxvt_calloc (size_t number, size_t size) |
463 |
{ |
464 |
void *p; |
465 |
|
466 |
p = calloc (number, size); |
467 |
if (p) |
468 |
return p; |
469 |
|
470 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
471 |
rxvt_clean_exit (); |
472 |
exit (EXIT_FAILURE); |
473 |
/* NOTREACHED */ |
474 |
} |
475 |
|
476 |
/* EXTPROTO */ |
477 |
void * |
478 |
rxvt_realloc (void *ptr, size_t size) |
479 |
{ |
480 |
void *p; |
481 |
|
482 |
if (ptr) |
483 |
p = realloc (ptr, size); |
484 |
else |
485 |
p = malloc (size); |
486 |
if (p) |
487 |
return p; |
488 |
|
489 |
fprintf (stderr, RESNAME ": memory allocation failure. Aborting"); |
490 |
rxvt_clean_exit (); |
491 |
exit (EXIT_FAILURE); |
492 |
/* NOTREACHED */ |
493 |
} |
494 |
|
495 |
/* ------------------------------------------------------------------------- * |
496 |
* PRIVILEGED OPERATIONS * |
497 |
* ------------------------------------------------------------------------- */ |
498 |
/* take care of suid/sgid super-user (root) privileges */ |
499 |
void |
500 |
rxvt_term::privileges (int mode) |
501 |
{ |
502 |
#if ! defined(__CYGWIN32__) |
503 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
504 |
/* setreuid () is the poor man's setuid (), seteuid () */ |
505 |
# define seteuid(a) setreuid(-1, (a)) |
506 |
# define setegid(a) setregid(-1, (a)) |
507 |
# define HAVE_SETEUID |
508 |
# endif |
509 |
# ifdef HAVE_SETEUID |
510 |
switch (mode) |
511 |
{ |
512 |
case IGNORE: |
513 |
/* |
514 |
* change effective uid/gid - not real uid/gid - so we can switch |
515 |
* back to root later, as required |
516 |
*/ |
517 |
seteuid (getuid ()); |
518 |
setegid (getgid ()); |
519 |
break; |
520 |
case SAVE: |
521 |
euid = geteuid (); |
522 |
egid = getegid (); |
523 |
break; |
524 |
case RESTORE: |
525 |
seteuid (euid); |
526 |
setegid (egid); |
527 |
break; |
528 |
} |
529 |
# else |
530 |
switch (mode) |
531 |
{ |
532 |
case IGNORE: |
533 |
setuid (getuid ()); |
534 |
setgid (getgid ()); |
535 |
/* FALLTHROUGH */ |
536 |
case SAVE: |
537 |
/* FALLTHROUGH */ |
538 |
case RESTORE: |
539 |
break; |
540 |
} |
541 |
# endif |
542 |
#endif |
543 |
} |
544 |
|
545 |
#ifdef UTMP_SUPPORT |
546 |
void |
547 |
rxvt_term::privileged_utmp (char action) |
548 |
{ |
549 |
D_MAIN ((stderr, "rxvt_privileged_utmp (%c); waiting for: %c (pid: %d)", |
550 |
action, next_utmp_action, getpid ())); |
551 |
if (next_utmp_action != action || (action != SAVE && action != RESTORE) |
552 |
|| (Options & Opt_utmpInhibit) |
553 |
|| ttydev == NULL || *ttydev == '\0') |
554 |
return; |
555 |
|
556 |
privileges (RESTORE); |
557 |
if (action == SAVE) |
558 |
{ |
559 |
next_utmp_action = RESTORE; |
560 |
makeutent (ttydev, rs[Rs_display_name]); |
561 |
} |
562 |
else |
563 |
{ /* action == RESTORE */ |
564 |
next_utmp_action = IGNORE; |
565 |
cleanutent (); |
566 |
} |
567 |
privileges (IGNORE); |
568 |
} |
569 |
#endif |
570 |
|
571 |
#ifndef NO_SETOWNER_TTYDEV |
572 |
void |
573 |
rxvt_term::privileged_ttydev (char action) |
574 |
{ |
575 |
D_MAIN ((stderr, |
576 |
"privileged_ttydev (%c); waiting for: %c (pid: %d)", |
577 |
action, next_tty_action, getpid ())); |
578 |
if (next_tty_action != action || (action != SAVE && action != RESTORE) |
579 |
|| ttydev == NULL || *ttydev == '\0') |
580 |
return; |
581 |
|
582 |
privileges (RESTORE); |
583 |
|
584 |
if (action == SAVE) |
585 |
{ |
586 |
next_tty_action = RESTORE; |
587 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
588 |
/* store original tty status for restoration rxvt_clean_exit () -- rgg 04/12/95 */ |
589 |
if (lstat (ttydev, &ttyfd_stat) < 0) /* you lose out */ |
590 |
next_tty_action = IGNORE; |
591 |
else |
592 |
# endif |
593 |
|
594 |
{ |
595 |
chown (ttydev, getuid (), ttygid); /* fail silently */ |
596 |
chmod (ttydev, ttymode); |
597 |
# ifdef HAVE_REVOKE |
598 |
revoke (ttydev); |
599 |
# endif |
600 |
|
601 |
} |
602 |
} |
603 |
else |
604 |
{ /* action == RESTORE */ |
605 |
next_tty_action = IGNORE; |
606 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
607 |
chmod (ttydev, ttyfd_stat.st_mode); |
608 |
chown (ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid); |
609 |
# else |
610 |
chmod (ttydev, |
611 |
(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
612 |
chown (ttydev, 0, 0); |
613 |
# endif |
614 |
|
615 |
} |
616 |
|
617 |
privileges (IGNORE); |
618 |
|
619 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
620 |
D_MAIN ((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", |
621 |
action == RESTORE ? "Restoring" : (action == |
622 |
SAVE ? "Saving" : |
623 |
"UNKNOWN ERROR for"), ttydev, |
624 |
ttyfd_stat.st_mode, ttyfd_stat.st_uid, |
625 |
ttyfd_stat.st_gid)); |
626 |
# endif |
627 |
} |
628 |
#endif |
629 |
|
630 |
/*----------------------------------------------------------------------*/ |
631 |
/* |
632 |
* window size/position calculcations for XSizeHint and other storage. |
633 |
* if width/height are non-zero then override calculated width/height |
634 |
*/ |
635 |
void |
636 |
rxvt_term::window_calc (unsigned int width, unsigned int height) |
637 |
{ |
638 |
short recalc_x, recalc_y; |
639 |
int x, y, sb_w, mb_h, flags; |
640 |
unsigned int w, h; |
641 |
unsigned int max_width, max_height; |
642 |
|
643 |
D_SIZE ((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
644 |
TermWin.ncol, TermWin.nrow, szHint.width, |
645 |
szHint.height)); |
646 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
647 |
szHint.win_gravity = NorthWestGravity; |
648 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
649 |
|
650 |
recalc_x = recalc_y = 0; |
651 |
flags = 0; |
652 |
if (!parsed_geometry) |
653 |
{ |
654 |
parsed_geometry = 1; |
655 |
if (rs[Rs_geometry]) |
656 |
flags = XParseGeometry (rs[Rs_geometry], &x, &y, &w, &h); |
657 |
if (flags & WidthValue) |
658 |
{ |
659 |
TermWin.ncol = BOUND_POSITIVE_INT16 (w); |
660 |
szHint.flags |= USSize; |
661 |
} |
662 |
if (flags & HeightValue) |
663 |
{ |
664 |
TermWin.nrow = BOUND_POSITIVE_INT16 (h); |
665 |
szHint.flags |= USSize; |
666 |
} |
667 |
if (flags & XValue) |
668 |
{ |
669 |
szHint.x = x; |
670 |
szHint.flags |= USPosition; |
671 |
if (flags & XNegative) |
672 |
{ |
673 |
recalc_x = 1; |
674 |
szHint.win_gravity = NorthEastGravity; |
675 |
} |
676 |
} |
677 |
if (flags & YValue) |
678 |
{ |
679 |
szHint.y = y; |
680 |
szHint.flags |= USPosition; |
681 |
if (flags & YNegative) |
682 |
{ |
683 |
recalc_y = 1; |
684 |
if (szHint.win_gravity == NorthEastGravity) |
685 |
szHint.win_gravity = SouthEastGravity; |
686 |
else |
687 |
szHint.win_gravity = SouthWestGravity; |
688 |
} |
689 |
} |
690 |
} |
691 |
|
692 |
/* TODO: BOUNDS */ |
693 |
TermWin.width = TermWin.ncol * TermWin.fwidth; |
694 |
TermWin.height = TermWin.nrow * TermWin.fheight; |
695 |
max_width = MAX_COLS * TermWin.fwidth; |
696 |
max_height = MAX_ROWS * TermWin.fheight; |
697 |
|
698 |
szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; |
699 |
|
700 |
sb_w = mb_h = 0; |
701 |
window_vt_x = window_vt_y = 0; |
702 |
if (scrollbar_visible ()) |
703 |
{ |
704 |
sb_w = scrollbar_TotalWidth (); |
705 |
szHint.base_width += sb_w; |
706 |
if (! (Options & Opt_scrollBar_right)) |
707 |
window_vt_x = sb_w; |
708 |
} |
709 |
if (menubar_visible ()) |
710 |
{ |
711 |
mb_h = menuBar_TotalHeight (); |
712 |
szHint.base_height += mb_h; |
713 |
window_vt_y = mb_h; |
714 |
} |
715 |
szHint.width_inc = TermWin.fwidth; |
716 |
szHint.height_inc = TermWin.fheight; |
717 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
718 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
719 |
|
720 |
if (width && width - szHint.base_width < max_width) |
721 |
{ |
722 |
szHint.width = width; |
723 |
TermWin.width = width - szHint.base_width; |
724 |
} |
725 |
else |
726 |
{ |
727 |
MIN_IT (TermWin.width, max_width); |
728 |
szHint.width = szHint.base_width + TermWin.width; |
729 |
} |
730 |
if (height && height - szHint.base_height < max_height) |
731 |
{ |
732 |
szHint.height = height; |
733 |
TermWin.height = height - szHint.base_height; |
734 |
} |
735 |
else |
736 |
{ |
737 |
MIN_IT (TermWin.height, max_height); |
738 |
szHint.height = szHint.base_height + TermWin.height; |
739 |
} |
740 |
if (scrollbar_visible () && (Options & Opt_scrollBar_right)) |
741 |
window_sb_x = szHint.width - sb_w; |
742 |
|
743 |
if (recalc_x) |
744 |
szHint.x += (DisplayWidth (display->display, DefaultScreen (display->display)) |
745 |
- szHint.width - 2 * TermWin.ext_bwidth); |
746 |
if (recalc_y) |
747 |
szHint.y += (DisplayHeight (display->display, DefaultScreen (display->display)) |
748 |
- szHint.height - 2 * TermWin.ext_bwidth); |
749 |
|
750 |
TermWin.ncol = TermWin.width / TermWin.fwidth; |
751 |
TermWin.nrow = TermWin.height / TermWin.fheight; |
752 |
D_SIZE ((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
753 |
TermWin.ncol, TermWin.nrow, szHint.width, |
754 |
szHint.height)); |
755 |
return; |
756 |
} |
757 |
|
758 |
/*----------------------------------------------------------------------*/ |
759 |
/* |
760 |
* Tell the teletype handler what size the window is. |
761 |
* Called after a window size change. |
762 |
*/ |
763 |
void |
764 |
rxvt_term::tt_winch () |
765 |
{ |
766 |
struct winsize ws; |
767 |
|
768 |
if (cmd_fd < 0) |
769 |
return; |
770 |
|
771 |
ws.ws_col = TermWin.ncol; |
772 |
ws.ws_row = TermWin.nrow; |
773 |
ws.ws_xpixel = ws.ws_ypixel = 0; |
774 |
#ifndef DEBUG_SIZE |
775 |
(void)ioctl (cmd_fd, TIOCSWINSZ, &ws); |
776 |
#else |
777 |
if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) |
778 |
D_SIZE ((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); |
779 |
# ifdef SIGWINCH |
780 |
else if (cmd_pid) /* force through to the command */ |
781 |
kill (cmd_pid, SIGWINCH); |
782 |
# endif |
783 |
#endif |
784 |
} |
785 |
|
786 |
/*----------------------------------------------------------------------*/ |
787 |
/* rxvt_change_font () - Switch to a new font */ |
788 |
/* |
789 |
* init = 1 - initialize |
790 |
* |
791 |
* fontname == FONT_UP - switch to bigger font |
792 |
* fontname == FONT_DN - switch to smaller font |
793 |
*/ |
794 |
bool |
795 |
rxvt_term::change_font (const char *fontname) |
796 |
{ |
797 |
if (fontname == FONT_UP) |
798 |
{ |
799 |
// TODO |
800 |
} |
801 |
else if (fontname == FONT_DN) |
802 |
{ |
803 |
// TODO |
804 |
} |
805 |
else |
806 |
{ |
807 |
rxvt_fontset *fs = new rxvt_fontset (this); |
808 |
|
809 |
if (fs && fs->populate (fontname ? fontname : "fixed")) |
810 |
{ |
811 |
delete TermWin.fontset; |
812 |
TermWin.fontset = fs; |
813 |
TermWin.fwidth = fs->base_font ()->width; |
814 |
TermWin.fheight = fs->base_font ()->height; |
815 |
TermWin.fbase = fs->base_font ()->ascent; |
816 |
|
817 |
if (TermWin.parent[0]) |
818 |
{ |
819 |
resize_all_windows (0, 0, 0); |
820 |
scr_remap_chars (); |
821 |
scr_touch (true); |
822 |
} |
823 |
|
824 |
return true; |
825 |
} |
826 |
} |
827 |
|
828 |
return false; |
829 |
} |
830 |
|
831 |
bool |
832 |
rxvt_term::font_up_down (int n, int direction) |
833 |
{ |
834 |
return false; |
835 |
} |
836 |
|
837 |
/*----------------------------------------------------------------------*/ |
838 |
/*----------------------------------------------------------------------*/ |
839 |
/* xterm sequences - title, iconName, color (exptl) */ |
840 |
void |
841 |
rxvt_term::set_title (const char *str) |
842 |
{ |
843 |
#ifndef SMART_WINDOW_TITLE |
844 |
XStoreName (display->display, TermWin.parent[0], str); |
845 |
#else |
846 |
char *name; |
847 |
|
848 |
if (XFetchName (display->display, TermWin.parent[0], &name) == 0) |
849 |
name = NULL; |
850 |
if (name == NULL || STRCMP (name, str)) |
851 |
XStoreName (display->display, TermWin.parent[0], str); |
852 |
if (name) |
853 |
XFree (name); |
854 |
#endif |
855 |
} |
856 |
|
857 |
void |
858 |
rxvt_term::set_iconName (const char *str) |
859 |
{ |
860 |
#ifndef SMART_WINDOW_TITLE |
861 |
XSetIconName (display->display, TermWin.parent[0], str); |
862 |
#else |
863 |
char *name; |
864 |
|
865 |
if (XGetIconName (display->display, TermWin.parent[0], &name)) |
866 |
name = NULL; |
867 |
if (name == NULL || STRCMP (name, str)) |
868 |
XSetIconName (display->display, TermWin.parent[0], str); |
869 |
if (name) |
870 |
XFree (name); |
871 |
#endif |
872 |
} |
873 |
|
874 |
#ifdef XTERM_COLOR_CHANGE |
875 |
void |
876 |
rxvt_term::set_window_color (int idx, const char *color) |
877 |
{ |
878 |
rxvt_color xcol; |
879 |
int i; |
880 |
|
881 |
if (color == NULL || *color == '\0') |
882 |
return; |
883 |
|
884 |
/* handle color aliases */ |
885 |
if (isdigit (*color)) |
886 |
{ |
887 |
i = atoi (color); |
888 |
if (i >= 8 && i <= 15) |
889 |
{ /* bright colors */ |
890 |
i -= 8; |
891 |
# ifndef NO_BRIGHTCOLOR |
892 |
PixColors[idx] = PixColors[minBrightCOLOR + i]; |
893 |
SET_PIXCOLOR (idx); |
894 |
goto Done; |
895 |
# endif |
896 |
|
897 |
} |
898 |
if (i >= 0 && i <= 7) |
899 |
{ /* normal colors */ |
900 |
PixColors[idx] = PixColors[minCOLOR + i]; |
901 |
SET_PIXCOLOR (idx); |
902 |
goto Done; |
903 |
} |
904 |
} |
905 |
if (!rXParseAllocColor (& xcol, color)) |
906 |
return; |
907 |
/* XStoreColor (display->display, XCMAP, XColor*); */ |
908 |
|
909 |
/* |
910 |
* FIXME: should free colors here, but no idea how to do it so instead, |
911 |
* so just keep gobbling up the colormap |
912 |
*/ |
913 |
# if 0 |
914 |
for (i = Color_Black; i <= Color_White; i++) |
915 |
if (PixColors[idx] == PixColors[i]) |
916 |
break; |
917 |
if (i > Color_White) |
918 |
{ |
919 |
/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */ |
920 |
XFreeColors (display->display, XCMAP, (PixColors + idx), 1, |
921 |
DisplayPlanes (display->display, display->screen)); |
922 |
} |
923 |
# endif |
924 |
|
925 |
PixColors[idx] = xcol; |
926 |
SET_PIXCOLOR (idx); |
927 |
|
928 |
/* XSetWindowAttributes attr; */ |
929 |
/* Cursor cursor; */ |
930 |
Done: |
931 |
if (idx == Color_bg && ! (Options & Opt_transparent)) |
932 |
XSetWindowBackground (display->display, TermWin.vt, |
933 |
PixColors[Color_bg]); |
934 |
|
935 |
/* handle Color_BD, scrollbar background, etc. */ |
936 |
|
937 |
set_colorfgbg (); |
938 |
recolour_cursor (); |
939 |
/* the only reasonable way to enforce a clean update */ |
940 |
scr_poweron (); |
941 |
} |
942 |
|
943 |
#else |
944 |
# define set_window_color (idx,color) ((void)0) |
945 |
#endif /* XTERM_COLOR_CHANGE */ |
946 |
|
947 |
void |
948 |
rxvt_term::recolour_cursor () |
949 |
{ |
950 |
#if TODO |
951 |
rxvt_color xcol[2]; |
952 |
|
953 |
xcol[0] = PixColors[Color_pointer]; |
954 |
xcol[1] = PixColors[Color_bg]; |
955 |
XQueryColors (display->display, XCMAP, xcol, 2); |
956 |
XRecolorCursor (display->display, TermWin_cursor, & (xcol[0]), & (xcol[1])); |
957 |
#endif |
958 |
} |
959 |
|
960 |
/*----------------------------------------------------------------------*/ |
961 |
/* |
962 |
* find if fg/bg matches any of the normal (low-intensity) colors |
963 |
*/ |
964 |
void |
965 |
rxvt_term::set_colorfgbg () |
966 |
{ |
967 |
unsigned int i; |
968 |
const char *xpmb = "\0"; |
969 |
char fstr[sizeof ("default") + 1], bstr[sizeof ("default") + 1]; |
970 |
|
971 |
env_colorfgbg = |
972 |
(char *)rxvt_malloc (sizeof ("COLORFGBG=default;default;bg") + 1); |
973 |
STRCPY (fstr, "default"); |
974 |
STRCPY (bstr, "default"); |
975 |
for (i = Color_Black; i <= Color_White; i++) |
976 |
if (PixColors[Color_fg] == PixColors[i]) |
977 |
{ |
978 |
sprintf (fstr, "%d", (i - Color_Black)); |
979 |
break; |
980 |
} |
981 |
for (i = Color_Black; i <= Color_White; i++) |
982 |
if (PixColors[Color_bg] == PixColors[i]) |
983 |
{ |
984 |
sprintf (bstr, "%d", (i - Color_Black)); |
985 |
#ifdef XPM_BACKGROUND |
986 |
xpmb = "default;"; |
987 |
#endif |
988 |
break; |
989 |
} |
990 |
|
991 |
sprintf (env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
992 |
|
993 |
#ifndef NO_BRIGHTCOLOR |
994 |
colorfgbg = DEFAULT_RSTYLE; |
995 |
for (i = minCOLOR; i <= maxCOLOR; i++) |
996 |
{ |
997 |
if (PixColors[Color_fg] == PixColors[i]) |
998 |
colorfgbg = SET_FGCOLOR (colorfgbg, i); |
999 |
if (PixColors[Color_bg] == PixColors[i]) |
1000 |
colorfgbg = SET_BGCOLOR (colorfgbg, i); |
1001 |
} |
1002 |
#endif |
1003 |
} |
1004 |
|
1005 |
/*----------------------------------------------------------------------*/ |
1006 |
/* |
1007 |
* Colour determination for low colour displays, routine from |
1008 |
* Hans de Goede <hans@highrise.nl> |
1009 |
*/ |
1010 |
|
1011 |
int |
1012 |
rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) |
1013 |
{ |
1014 |
if (!screen_in_out->set (display, colour)) |
1015 |
{ |
1016 |
rxvt_print_error ("can't allocate colour: %s", colour); |
1017 |
return false; |
1018 |
} |
1019 |
|
1020 |
return true; |
1021 |
} |
1022 |
|
1023 |
/* -------------------------------------------------------------------- * |
1024 |
* - WINDOW RESIZING - * |
1025 |
* -------------------------------------------------------------------- */ |
1026 |
void |
1027 |
rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) |
1028 |
{ |
1029 |
int fix_screen; |
1030 |
|
1031 |
#ifdef SMART_RESIZE |
1032 |
int old_width = szHint.width, old_height = szHint.height; |
1033 |
#endif |
1034 |
|
1035 |
window_calc (width, height); |
1036 |
XSetWMNormalHints (display->display, TermWin.parent[0], &szHint); |
1037 |
if (!ignoreparent) |
1038 |
{ |
1039 |
#ifdef SMART_RESIZE |
1040 |
/* |
1041 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
1042 |
* reposition window on resize depending on placement on screen |
1043 |
*/ |
1044 |
int x, y, x1, y1; |
1045 |
int dx, dy; |
1046 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
1047 |
Window unused_cr; |
1048 |
|
1049 |
XTranslateCoordinates (display->display, TermWin.parent[0], display->root, |
1050 |
0, 0, &x, &y, &unused_cr); |
1051 |
XGetGeometry (display->display, TermWin.parent[0], &unused_cr, &x1, &y1, |
1052 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
1053 |
/* |
1054 |
* if display->root isn't the parent window, a WM will probably have offset |
1055 |
* our position for handles and decorations. Counter it |
1056 |
*/ |
1057 |
if (x1 != x || y1 != y) |
1058 |
{ |
1059 |
x -= x1; |
1060 |
y -= y1; |
1061 |
} |
1062 |
|
1063 |
x1 = (DisplayWidth (display->display, display->screen) - old_width) / 2; |
1064 |
y1 = (DisplayHeight (display->display, display->screen) - old_height) / 2; |
1065 |
dx = old_width - szHint.width; |
1066 |
dy = old_height - szHint.height; |
1067 |
|
1068 |
/* Check position of the center of the window */ |
1069 |
if (x < x1) /* left half */ |
1070 |
dx = 0; |
1071 |
else if (x == x1) /* exact center */ |
1072 |
dx /= 2; |
1073 |
if (y < y1) /* top half */ |
1074 |
dy = 0; |
1075 |
else if (y == y1) /* exact center */ |
1076 |
dy /= 2; |
1077 |
|
1078 |
XMoveResizeWindow (display->display, TermWin.parent[0], x + dx, y + dy, |
1079 |
szHint.width, szHint.height); |
1080 |
#else |
1081 |
XResizeWindow (display->display, TermWin.parent[0], szHint.width, |
1082 |
szHint.height); |
1083 |
#endif |
1084 |
|
1085 |
} |
1086 |
|
1087 |
fix_screen = (TermWin.ncol != prev_ncol |
1088 |
|| TermWin.nrow != prev_nrow); |
1089 |
|
1090 |
if (fix_screen || width != old_width || height != old_height) |
1091 |
{ |
1092 |
if (scrollbar_visible ()) |
1093 |
{ |
1094 |
XMoveResizeWindow (display->display, scrollBar.win, window_sb_x, |
1095 |
0, scrollbar_TotalWidth (), szHint.height); |
1096 |
resize_scrollbar (); |
1097 |
} |
1098 |
|
1099 |
if (menubar_visible ()) |
1100 |
XMoveResizeWindow (display->display, menuBar.win, window_vt_x, |
1101 |
0, TermWin_TotalWidth (), menuBar_TotalHeight ()); |
1102 |
|
1103 |
XMoveResizeWindow (display->display, TermWin.vt, window_vt_x, |
1104 |
window_vt_y, TermWin_TotalWidth (), |
1105 |
TermWin_TotalHeight ()); |
1106 |
scr_clear (height != old_height); |
1107 |
#ifdef XPM_BACKGROUND |
1108 |
resize_pixmap (); |
1109 |
#endif |
1110 |
|
1111 |
} |
1112 |
|
1113 |
if (fix_screen || old_height == 0) |
1114 |
{ |
1115 |
int curr_screen = -1; |
1116 |
int old_ncol = prev_ncol; |
1117 |
|
1118 |
/* scr_reset only works on the primary screen */ |
1119 |
if (old_height) /* this is not the first time through */ |
1120 |
{ |
1121 |
unsigned int ncol = TermWin.ncol; |
1122 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
1123 |
curr_screen = scr_change_screen (PRIMARY); |
1124 |
TermWin.ncol = ncol; |
1125 |
} |
1126 |
|
1127 |
scr_reset (); |
1128 |
|
1129 |
if (curr_screen >= 0) /* this is not the first time through */ |
1130 |
{ |
1131 |
scr_change_screen (curr_screen); |
1132 |
selection_check (old_ncol != TermWin.ncol ? 4 : 0); |
1133 |
} |
1134 |
} |
1135 |
|
1136 |
old_width = szHint.width; |
1137 |
old_height = szHint.height; |
1138 |
|
1139 |
#ifdef USE_XIM |
1140 |
IMSetStatusPosition (); |
1141 |
#endif |
1142 |
} |
1143 |
|
1144 |
/* |
1145 |
* Set the width/height of the vt window in characters. Units are pixels. |
1146 |
* good for toggling 80/132 columns |
1147 |
*/ |
1148 |
void |
1149 |
rxvt_term::set_widthheight (unsigned int width, unsigned int height) |
1150 |
{ |
1151 |
XWindowAttributes wattr; |
1152 |
|
1153 |
if (width == 0 || height == 0) |
1154 |
{ |
1155 |
XGetWindowAttributes (display->display, display->root, &wattr); |
1156 |
if (width == 0) |
1157 |
width = wattr.width - szHint.base_width; |
1158 |
if (height == 0) |
1159 |
height = wattr.height - szHint.base_height; |
1160 |
} |
1161 |
if (width != TermWin.width || height != TermWin.height) |
1162 |
{ |
1163 |
width += szHint.base_width; |
1164 |
height += szHint.base_height; |
1165 |
resize_all_windows (width, height, 0); |
1166 |
} |
1167 |
} |
1168 |
|
1169 |
/* -------------------------------------------------------------------- * |
1170 |
* - X INPUT METHOD ROUTINES - * |
1171 |
* -------------------------------------------------------------------- */ |
1172 |
#ifdef USE_XIM |
1173 |
|
1174 |
void |
1175 |
rxvt_term::im_set_size (XRectangle *size) |
1176 |
{ |
1177 |
size->x = TermWin.int_bwidth; |
1178 |
size->y = TermWin.int_bwidth; |
1179 |
size->width = Width2Pixel (TermWin.ncol); |
1180 |
size->height = Height2Pixel (TermWin.nrow); |
1181 |
} |
1182 |
|
1183 |
void |
1184 |
rxvt_term::im_set_color (unsigned long *fg, unsigned long *bg) |
1185 |
{ |
1186 |
*fg = PixColors[Color_fg]; |
1187 |
*bg = PixColors[Color_bg]; |
1188 |
} |
1189 |
|
1190 |
/* Checking whether input method is running. */ |
1191 |
bool |
1192 |
rxvt_term::IMisRunning () |
1193 |
{ |
1194 |
char *p; |
1195 |
Atom atom; |
1196 |
Window win; |
1197 |
char server[IMBUFSIZ]; |
1198 |
|
1199 |
/* get current locale modifier */ |
1200 |
if ((p = XSetLocaleModifiers (NULL)) != NULL) |
1201 |
{ |
1202 |
STRCPY (server, "@server="); |
1203 |
STRNCAT (server, & (p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1204 |
if ((p = STRCHR (server + 1, '@')) != NULL) /* first one only */ |
1205 |
*p = '\0'; |
1206 |
|
1207 |
atom = XInternAtom (display->display, server, False); |
1208 |
win = XGetSelectionOwner (display->display, atom); |
1209 |
if (win != None) |
1210 |
return True; |
1211 |
} |
1212 |
return False; |
1213 |
} |
1214 |
|
1215 |
void |
1216 |
rxvt_term::IMSendSpot () |
1217 |
{ |
1218 |
XPoint spot; |
1219 |
XVaNestedList preedit_attr; |
1220 |
|
1221 |
if (Input_Context == NULL |
1222 |
|| !TermWin.focus || ! (input_style & XIMPreeditPosition) |
1223 |
|| ! (event_type == KeyPress |
1224 |
|| event_type == Expose |
1225 |
|| event_type == NoExpose |
1226 |
|| event_type == SelectionNotify |
1227 |
|| event_type == ButtonRelease || event_type == FocusIn) |
1228 |
|| !IMisRunning ()) |
1229 |
return; |
1230 |
|
1231 |
im_set_position (&spot); |
1232 |
|
1233 |
preedit_attr = XVaCreateNestedList (0, XNSpotLocation, &spot, NULL); |
1234 |
XSetICValues (Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1235 |
XFree (preedit_attr); |
1236 |
} |
1237 |
|
1238 |
void |
1239 |
rxvt_term::im_set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect, |
1240 |
XRectangle * needed_rect) |
1241 |
{ |
1242 |
int mbh, vtx = 0; |
1243 |
|
1244 |
if (scrollbar_visible () && ! (Options & Opt_scrollBar_right)) |
1245 |
vtx = scrollbar_TotalWidth (); |
1246 |
|
1247 |
mbh = menubar_visible () ? menuBar_TotalHeight () : 0; |
1248 |
mbh -= TermWin.lineSpace; |
1249 |
|
1250 |
preedit_rect->x = needed_rect->width + vtx; |
1251 |
preedit_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh; |
1252 |
|
1253 |
preedit_rect->width = Width2Pixel (TermWin.ncol + 1) - needed_rect->width + vtx; |
1254 |
preedit_rect->height = Height2Pixel (1); |
1255 |
|
1256 |
status_rect->x = vtx; |
1257 |
status_rect->y = Height2Pixel (TermWin.nrow - 1) + mbh; |
1258 |
|
1259 |
status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel (TermWin.ncol + 1); |
1260 |
status_rect->height = Height2Pixel (1); |
1261 |
} |
1262 |
|
1263 |
void |
1264 |
rxvt_term::im_destroy () |
1265 |
{ |
1266 |
if (Input_Context) |
1267 |
{ |
1268 |
XDestroyIC (Input_Context); |
1269 |
Input_Context = NULL; |
1270 |
} |
1271 |
|
1272 |
if (input_method) |
1273 |
{ |
1274 |
display->put_xim (input_method); |
1275 |
input_method = 0; |
1276 |
} |
1277 |
} |
1278 |
|
1279 |
/* |
1280 |
* Try to open a XIM with the current modifiers, then see if we can |
1281 |
* open a suitable preedit type |
1282 |
*/ |
1283 |
bool |
1284 |
rxvt_term::IM_get_IC (const char *modifiers) |
1285 |
{ |
1286 |
int i, j, found; |
1287 |
XIM xim; |
1288 |
XPoint spot; |
1289 |
XRectangle rect, status_rect, needed_rect; |
1290 |
unsigned long fg, bg; |
1291 |
const char *p; |
1292 |
char **s; |
1293 |
XIMStyles *xim_styles; |
1294 |
XVaNestedList preedit_attr, status_attr; |
1295 |
|
1296 |
if (! ((p = XSetLocaleModifiers (modifiers)) && *p)) |
1297 |
return false; |
1298 |
|
1299 |
D_MAIN ((stderr, "rxvt_IM_get_IC ()")); |
1300 |
input_method = display->get_xim (locale, modifiers); |
1301 |
if (input_method == NULL) |
1302 |
return false; |
1303 |
|
1304 |
xim = input_method->xim; |
1305 |
|
1306 |
xim_styles = NULL; |
1307 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1308 |
|| !xim_styles || !xim_styles->count_styles) |
1309 |
{ |
1310 |
display->put_xim (input_method); |
1311 |
return false; |
1312 |
} |
1313 |
|
1314 |
p = rs[Rs_preeditType] ? rs[Rs_preeditType] : "OverTheSpot,OffTheSpot,Root"; |
1315 |
s = rxvt_splitcommastring (p); |
1316 |
for (i = found = 0; !found && s[i]; i++) |
1317 |
{ |
1318 |
if (!STRCMP (s[i], "OverTheSpot")) |
1319 |
input_style = (XIMPreeditPosition | XIMStatusNothing); |
1320 |
else if (!STRCMP (s[i], "OffTheSpot")) |
1321 |
input_style = (XIMPreeditArea | XIMStatusArea); |
1322 |
else if (!STRCMP (s[i], "Root")) |
1323 |
input_style = (XIMPreeditNothing | XIMStatusNothing); |
1324 |
|
1325 |
for (j = 0; j < xim_styles->count_styles; j++) |
1326 |
if (input_style == xim_styles->supported_styles[j]) |
1327 |
{ |
1328 |
found = 1; |
1329 |
break; |
1330 |
} |
1331 |
} |
1332 |
|
1333 |
for (i = 0; s[i]; i++) |
1334 |
free (s[i]); |
1335 |
|
1336 |
free (s); |
1337 |
XFree (xim_styles); |
1338 |
|
1339 |
if (!found) |
1340 |
{ |
1341 |
display->put_xim (input_method); |
1342 |
return false; |
1343 |
} |
1344 |
|
1345 |
preedit_attr = status_attr = NULL; |
1346 |
|
1347 |
if (input_style & XIMPreeditPosition) |
1348 |
{ |
1349 |
im_set_size (&rect); |
1350 |
im_set_position (&spot); |
1351 |
im_set_color (&fg, &bg); |
1352 |
|
1353 |
preedit_attr = XVaCreateNestedList (0, XNArea, &rect, |
1354 |
XNSpotLocation, &spot, |
1355 |
XNForeground, fg, XNBackground, bg, |
1356 |
//XNFontSet, TermWin.fontset, |
1357 |
NULL); |
1358 |
} |
1359 |
else if (input_style & XIMPreeditArea) |
1360 |
{ |
1361 |
im_set_color (&fg, &bg); |
1362 |
|
1363 |
/* |
1364 |
* The necessary width of preedit area is unknown |
1365 |
* until create input context. |
1366 |
*/ |
1367 |
needed_rect.width = 0; |
1368 |
|
1369 |
im_set_preedit_area (&rect, &status_rect, &needed_rect); |
1370 |
|
1371 |
preedit_attr = XVaCreateNestedList (0, XNArea, &rect, |
1372 |
XNForeground, fg, XNBackground, bg, |
1373 |
//XNFontSet, TermWin.fontset, |
1374 |
NULL); |
1375 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, |
1376 |
XNForeground, fg, XNBackground, bg, |
1377 |
//XNFontSet, TermWin.fontset, |
1378 |
NULL); |
1379 |
} |
1380 |
|
1381 |
Input_Context = XCreateIC (xim, XNInputStyle, input_style, |
1382 |
XNClientWindow, TermWin.parent[0], |
1383 |
XNFocusWindow, TermWin.parent[0], |
1384 |
preedit_attr ? XNPreeditAttributes : NULL, |
1385 |
preedit_attr, |
1386 |
status_attr ? XNStatusAttributes : NULL, |
1387 |
status_attr, NULL); |
1388 |
if (preedit_attr) XFree (preedit_attr); |
1389 |
if (status_attr) XFree (status_attr); |
1390 |
|
1391 |
if (Input_Context == NULL) |
1392 |
{ |
1393 |
rxvt_print_error ("failed to create input context"); |
1394 |
display->put_xim (input_method); |
1395 |
return false; |
1396 |
} |
1397 |
|
1398 |
if (input_style & XIMPreeditArea) |
1399 |
IMSetStatusPosition (); |
1400 |
|
1401 |
D_MAIN ((stderr, "rxvt_IM_get_IC () - successful connection")); |
1402 |
return true; |
1403 |
} |
1404 |
|
1405 |
void |
1406 |
rxvt_term::im_cb () |
1407 |
{ |
1408 |
int i, found, had_im; |
1409 |
const char *p; |
1410 |
char **s; |
1411 |
char buf[IMBUFSIZ]; |
1412 |
|
1413 |
im_destroy (); |
1414 |
|
1415 |
D_MAIN ((stderr, "rxvt_IMInstantiateCallback ()")); |
1416 |
if (Input_Context) |
1417 |
return; |
1418 |
|
1419 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1420 |
if (rs[Rs_imLocale]) |
1421 |
SET_LOCALE (rs[Rs_imLocale]); |
1422 |
#endif |
1423 |
|
1424 |
p = rs[Rs_inputMethod]; |
1425 |
if (p && *p) |
1426 |
{ |
1427 |
bool found = false; |
1428 |
|
1429 |
s = rxvt_splitcommastring (p); |
1430 |
for (i = 0; s[i]; i++) |
1431 |
{ |
1432 |
if (*s[i]) |
1433 |
{ |
1434 |
STRCPY (buf, "@im="); |
1435 |
STRNCAT (buf, s[i], IMBUFSIZ - 5); |
1436 |
if (IM_get_IC (buf)) |
1437 |
{ |
1438 |
found = true; |
1439 |
break; |
1440 |
} |
1441 |
} |
1442 |
} |
1443 |
for (i = 0; s[i]; i++) |
1444 |
free (s[i]); |
1445 |
free (s); |
1446 |
|
1447 |
if (found) |
1448 |
goto done; |
1449 |
} |
1450 |
|
1451 |
/* try with XMODIFIERS env. var. */ |
1452 |
if (IM_get_IC ("")) |
1453 |
goto done; |
1454 |
|
1455 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1456 |
if (IM_get_IC ("@im=none")) |
1457 |
goto done; |
1458 |
|
1459 |
done: |
1460 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1461 |
if (rs[Rs_imLocale]) |
1462 |
SET_LOCALE (locale); |
1463 |
#endif |
1464 |
} |
1465 |
|
1466 |
void |
1467 |
rxvt_term::IMSetStatusPosition () |
1468 |
{ |
1469 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1470 |
XVaNestedList preedit_attr, status_attr; |
1471 |
|
1472 |
if (Input_Context == NULL |
1473 |
|| !TermWin.focus || ! (input_style & XIMPreeditArea) |
1474 |
|| !IMisRunning ()) |
1475 |
return; |
1476 |
|
1477 |
/* Getting the necessary width of preedit area */ |
1478 |
status_attr = XVaCreateNestedList (0, XNAreaNeeded, &needed_rect, NULL); |
1479 |
XGetICValues (Input_Context, XNStatusAttributes, status_attr, NULL); |
1480 |
XFree (status_attr); |
1481 |
|
1482 |
im_set_preedit_area (&preedit_rect, &status_rect, needed_rect); |
1483 |
|
1484 |
preedit_attr = XVaCreateNestedList (0, XNArea, &preedit_rect, NULL); |
1485 |
status_attr = XVaCreateNestedList (0, XNArea, &status_rect, NULL); |
1486 |
|
1487 |
XSetICValues (Input_Context, |
1488 |
XNPreeditAttributes, preedit_attr, |
1489 |
XNStatusAttributes, status_attr, NULL); |
1490 |
|
1491 |
XFree (preedit_attr); |
1492 |
XFree (status_attr); |
1493 |
} |
1494 |
#endif /* USE_XIM */ |
1495 |
|
1496 |
/*----------------------------------------------------------------------*/ |
1497 |
rxvt_t rxvt_current_term; |
1498 |
|
1499 |
/*----------------------- end-of-file (C source) -----------------------*/ |