1 |
/*--------------------------------*-C-*---------------------------------* |
2 |
* File: main.c |
3 |
*----------------------------------------------------------------------* |
4 |
* |
5 |
* 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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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*---------------------------------------------------------------------*/ |
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|
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#include "../config.h" /* NECESSARY */ |
33 |
#include "rxvt.h" /* NECESSARY */ |
34 |
#include "main.intpro" /* PROTOS for internal routines */ |
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|
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#include <signal.h> |
37 |
|
38 |
#ifdef TTY_GID_SUPPORT |
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# include <grp.h> |
40 |
#endif |
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|
42 |
#ifdef HAVE_TERMIOS_H |
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# include <termios.h> |
44 |
#endif |
45 |
|
46 |
#include <cstring> |
47 |
|
48 |
static char curlocale[128]; |
49 |
|
50 |
void |
51 |
rxvt_set_locale (const char *locale) |
52 |
{ |
53 |
if (locale && STRNCMP (locale, curlocale, 128)) |
54 |
{ |
55 |
STRNCPY (curlocale, locale, 128); |
56 |
setlocale (LC_CTYPE, curlocale); |
57 |
} |
58 |
} |
59 |
|
60 |
void * |
61 |
rxvt_term::operator new (size_t s) |
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{ |
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void *p = malloc (s); |
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|
65 |
MEMSET (p, 0, s); |
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return p; |
67 |
} |
68 |
|
69 |
void |
70 |
rxvt_term::operator delete (void *p, size_t s) |
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{ |
72 |
free (p); |
73 |
} |
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|
75 |
rxvt_term::rxvt_term () |
76 |
: |
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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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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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x_ev (this, &rxvt_term::x_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; |
93 |
} |
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|
95 |
rxvt_term::~rxvt_term () |
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{ |
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scr_release (); |
98 |
|
99 |
free (locale); |
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free (codeset); |
101 |
|
102 |
#ifndef NO_SETOWNER_TTYDEV |
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privileged_ttydev (RESTORE); |
104 |
#endif |
105 |
#ifdef UTMP_SUPPORT |
106 |
privileged_utmp (RESTORE); |
107 |
#endif |
108 |
#ifdef USE_XIM |
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if (Input_Context != NULL) |
110 |
{ |
111 |
XDestroyIC (Input_Context); |
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Input_Context = NULL; |
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} |
114 |
#endif |
115 |
|
116 |
if (cmd_fd >= 0) |
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close (cmd_fd); |
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|
119 |
if (Xfd >= 0) |
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XCloseDisplay (Xdisplay); |
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|
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delete PixColors; |
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} |
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|
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void |
126 |
rxvt_term::destroy () |
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{ |
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check_ev.stop (); |
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pty_ev.stop (); |
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x_ev.stop (); |
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#ifdef CURSOR_BLINK |
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cursor_blink_ev.stop (); |
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#endif |
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#ifdef TEXT_BLINK |
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text_blink_ev.stop (); |
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#endif |
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#ifdef POINTER_BLANK |
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pointer_ev.stop (); |
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#endif |
140 |
|
141 |
destroy_ev.start (0); |
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} |
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|
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void |
145 |
rxvt_term::destroy_cb (time_watcher &w) |
146 |
{ |
147 |
SET_R (this); |
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|
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delete this; |
150 |
} |
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|
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/*----------------------------------------------------------------------*/ |
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/* rxvt_init() */ |
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/* LIBPROTO */ |
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rxvt_t |
156 |
rxvt_init (int argc, const char *const *argv) |
157 |
{ |
158 |
SET_R (new rxvt_term); |
159 |
|
160 |
if (!GET_R->init_vars () || !GET_R->init (argc, argv)) |
161 |
{ |
162 |
delete GET_R; |
163 |
SET_R (0); |
164 |
} |
165 |
|
166 |
return GET_R; |
167 |
} |
168 |
|
169 |
void |
170 |
rxvt_init_signals () |
171 |
{ |
172 |
/* install exit handler for cleanup */ |
173 |
#if 0 |
174 |
#ifdef HAVE_ATEXIT |
175 |
atexit(rxvt_clean_exit); |
176 |
#else |
177 |
#endif |
178 |
#endif |
179 |
|
180 |
struct sigaction sa; |
181 |
|
182 |
sigfillset (&sa.sa_mask); |
183 |
sa.sa_flags = SA_NOCLDSTOP | SA_RESTART; |
184 |
sa.sa_handler = SIG_IGN; sigaction (SIGHUP , &sa, 0); |
185 |
sa.sa_handler = SIG_IGN; sigaction (SIGPIPE, &sa, 0); |
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sa.sa_handler = rxvt_Exit_signal; sigaction (SIGINT , &sa, 0); |
187 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGQUIT, &sa, 0); |
188 |
sa.sa_handler = rxvt_Exit_signal; sigaction (SIGTERM, &sa, 0); |
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sa.sa_handler = rxvt_Child_signal; sigaction (SIGCHLD, &sa, 0); |
190 |
|
191 |
/* need to trap SIGURG for SVR4 (Unixware) rlogin */ |
192 |
/* signal (SIGURG, SIG_DFL); */ |
193 |
|
194 |
XSetErrorHandler ((XErrorHandler) rxvt_xerror_handler); |
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//XSetIOErrorHandler ((XErrorHandler) rxvt_xioerror_handler); |
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} |
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|
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bool |
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rxvt_term::init (int argc, const char *const *argv) |
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{ |
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/* |
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* Save and then give up any super-user privileges |
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* If we need privileges in any area then we must specifically request it. |
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* We should only need to be root in these cases: |
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* 1. write utmp entries on some systems |
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* 2. chown tty on some systems |
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*/ |
208 |
privileges (SAVE); |
209 |
privileges (IGNORE); |
210 |
|
211 |
init_secondary (); |
212 |
|
213 |
const char **cmd_argv = init_resources (argc, argv); |
214 |
|
215 |
set_locale (""); |
216 |
|
217 |
#if (MENUBAR_MAX) |
218 |
menubar_read (rs[Rs_menu]); |
219 |
#endif |
220 |
#ifdef HAVE_SCROLLBARS |
221 |
if (Options & Opt_scrollBar) |
222 |
scrollBar.setIdle (); /* set existence for size calculations */ |
223 |
#endif |
224 |
|
225 |
create_windows (argc, argv); |
226 |
|
227 |
init_xlocale (); |
228 |
|
229 |
scr_reset (); /* initialize screen */ |
230 |
#ifdef RXVT_GRAPHICS |
231 |
Gr_reset (); /* reset graphics */ |
232 |
#endif |
233 |
|
234 |
#if 0 |
235 |
#ifdef DEBUG_X |
236 |
XSynchronize(Xdisplay, True); |
237 |
#endif |
238 |
#endif |
239 |
|
240 |
#ifdef HAVE_SCROLLBARS |
241 |
if (Options & Opt_scrollBar) |
242 |
resize_scrollbar (); /* create and map scrollbar */ |
243 |
#endif |
244 |
#if (MENUBAR_MAX) |
245 |
if (menubar_visible(r)) |
246 |
XMapWindow (Xdisplay, menuBar.win); |
247 |
#endif |
248 |
#ifdef TRANSPARENT |
249 |
if (Options & Opt_transparent) |
250 |
{ |
251 |
XSelectInput (Xdisplay, Xroot, PropertyChangeMask); |
252 |
check_our_parents (); |
253 |
} |
254 |
#endif |
255 |
XMapWindow (Xdisplay, TermWin.vt); |
256 |
XMapWindow (Xdisplay, TermWin.parent[0]); |
257 |
|
258 |
init_env (); |
259 |
init_command (cmd_argv); |
260 |
|
261 |
x_ev.start (Xfd, EVENT_READ); |
262 |
pty_ev.start (cmd_fd, EVENT_READ); |
263 |
|
264 |
check_ev.start (); |
265 |
|
266 |
process_x_events (); |
267 |
|
268 |
return true; |
269 |
} |
270 |
|
271 |
/* ------------------------------------------------------------------------- * |
272 |
* SIGNAL HANDLING & EXIT HANDLER * |
273 |
* ------------------------------------------------------------------------- */ |
274 |
/* |
275 |
* Catch a SIGCHLD signal and exit if the direct child has died |
276 |
*/ |
277 |
/* ARGSUSED */ |
278 |
/* EXTPROTO */ |
279 |
RETSIGTYPE |
280 |
rxvt_Child_signal(int sig __attribute__ ((unused))) |
281 |
{ |
282 |
int pid, save_errno = errno; |
283 |
while ((pid = waitpid (-1, NULL, WNOHANG)) == -1 && errno == EINTR) |
284 |
; |
285 |
errno = save_errno; |
286 |
|
287 |
#if 0 |
288 |
if (pid == cmd_pid) |
289 |
exit (EXIT_SUCCESS); |
290 |
#endif |
291 |
} |
292 |
|
293 |
/* |
294 |
* Catch a fatal signal and tidy up before quitting |
295 |
*/ |
296 |
/* EXTPROTO */ |
297 |
RETSIGTYPE |
298 |
rxvt_Exit_signal(int sig) |
299 |
{ |
300 |
signal(sig, SIG_DFL); |
301 |
#ifdef DEBUG_CMD |
302 |
rxvt_print_error("signal %d", sig); |
303 |
#endif |
304 |
rxvt_clean_exit(); |
305 |
kill(getpid(), sig); |
306 |
} |
307 |
|
308 |
/* ARGSUSED */ |
309 |
/* EXTPROTO */ |
310 |
int |
311 |
rxvt_xerror_handler(const Display * display |
312 |
__attribute__ ((unused)), const XErrorEvent * event) |
313 |
{ |
314 |
if (GET_R->allowedxerror == -1) |
315 |
GET_R->allowedxerror = event->error_code; |
316 |
else |
317 |
{ |
318 |
rxvt_print_error("XError: Request: %d . %d, Error: %d", |
319 |
event->request_code, event->minor_code, |
320 |
event->error_code); |
321 |
|
322 |
GET_R->destroy (); |
323 |
} |
324 |
|
325 |
return 0; |
326 |
} |
327 |
|
328 |
/*----------------------------------------------------------------------*/ |
329 |
/* |
330 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
331 |
* TODO: if debugging, this should free up any known resources if we can |
332 |
*/ |
333 |
/* EXTPROTO */ |
334 |
void |
335 |
rxvt_clean_exit () |
336 |
{ |
337 |
GET_R->destroy (); |
338 |
} |
339 |
|
340 |
/* ------------------------------------------------------------------------- * |
341 |
* MEMORY ALLOCATION WRAPPERS * |
342 |
* ------------------------------------------------------------------------- */ |
343 |
/* EXTPROTO */ |
344 |
void * |
345 |
rxvt_malloc(size_t size) |
346 |
{ |
347 |
void *p; |
348 |
|
349 |
p = malloc(size); |
350 |
if (p) |
351 |
return p; |
352 |
|
353 |
fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); |
354 |
rxvt_clean_exit(); |
355 |
exit(EXIT_FAILURE); |
356 |
/* NOTREACHED */ |
357 |
} |
358 |
|
359 |
/* EXTPROTO */ |
360 |
void * |
361 |
rxvt_calloc(size_t number, size_t size) |
362 |
{ |
363 |
void *p; |
364 |
|
365 |
p = calloc(number, size); |
366 |
if (p) |
367 |
return p; |
368 |
|
369 |
fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); |
370 |
rxvt_clean_exit(); |
371 |
exit(EXIT_FAILURE); |
372 |
/* NOTREACHED */ |
373 |
} |
374 |
|
375 |
/* EXTPROTO */ |
376 |
void * |
377 |
rxvt_realloc(void *ptr, size_t size) |
378 |
{ |
379 |
void *p; |
380 |
|
381 |
if (ptr) |
382 |
p = realloc(ptr, size); |
383 |
else |
384 |
p = malloc(size); |
385 |
if (p) |
386 |
return p; |
387 |
|
388 |
fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); |
389 |
rxvt_clean_exit(); |
390 |
exit(EXIT_FAILURE); |
391 |
/* NOTREACHED */ |
392 |
} |
393 |
|
394 |
/* ------------------------------------------------------------------------- * |
395 |
* PRIVILEGED OPERATIONS * |
396 |
* ------------------------------------------------------------------------- */ |
397 |
/* take care of suid/sgid super-user (root) privileges */ |
398 |
void |
399 |
rxvt_term::privileges (int mode) |
400 |
{ |
401 |
#if ! defined(__CYGWIN32__) |
402 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
403 |
/* setreuid() is the poor man's setuid(), seteuid() */ |
404 |
# define seteuid(a) setreuid(-1, (a)) |
405 |
# define setegid(a) setregid(-1, (a)) |
406 |
# define HAVE_SETEUID |
407 |
# endif |
408 |
# ifdef HAVE_SETEUID |
409 |
switch (mode) { |
410 |
case IGNORE: |
411 |
/* |
412 |
* change effective uid/gid - not real uid/gid - so we can switch |
413 |
* back to root later, as required |
414 |
*/ |
415 |
seteuid(getuid()); |
416 |
setegid(getgid()); |
417 |
break; |
418 |
case SAVE: |
419 |
euid = geteuid(); |
420 |
egid = getegid(); |
421 |
break; |
422 |
case RESTORE: |
423 |
seteuid(euid); |
424 |
setegid(egid); |
425 |
break; |
426 |
} |
427 |
# else |
428 |
switch (mode) { |
429 |
case IGNORE: |
430 |
setuid(getuid()); |
431 |
setgid(getgid()); |
432 |
/* FALLTHROUGH */ |
433 |
case SAVE: |
434 |
/* FALLTHROUGH */ |
435 |
case RESTORE: |
436 |
break; |
437 |
} |
438 |
# endif |
439 |
#endif |
440 |
} |
441 |
|
442 |
#ifdef UTMP_SUPPORT |
443 |
void |
444 |
rxvt_term::privileged_utmp (char action) |
445 |
{ |
446 |
D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", |
447 |
action, next_utmp_action, getpid())); |
448 |
if (next_utmp_action != action || (action != SAVE && action != RESTORE) |
449 |
|| (Options & Opt_utmpInhibit) |
450 |
|| ttydev == NULL || *ttydev == '\0') |
451 |
return; |
452 |
|
453 |
privileges (RESTORE); |
454 |
if (action == SAVE) { |
455 |
next_utmp_action = RESTORE; |
456 |
makeutent (ttydev, rs[Rs_display_name]); |
457 |
} else { /* action == RESTORE */ |
458 |
next_utmp_action = IGNORE; |
459 |
cleanutent (); |
460 |
} |
461 |
privileges (IGNORE); |
462 |
} |
463 |
#endif |
464 |
|
465 |
#ifndef NO_SETOWNER_TTYDEV |
466 |
void |
467 |
rxvt_term::privileged_ttydev (char action) |
468 |
{ |
469 |
D_MAIN((stderr, |
470 |
"privileged_ttydev (%c); waiting for: %c (pid: %d)", |
471 |
action, next_tty_action, getpid())); |
472 |
if (next_tty_action != action || (action != SAVE && action != RESTORE) |
473 |
|| ttydev == NULL || *ttydev == '\0') |
474 |
return; |
475 |
|
476 |
privileges (RESTORE); |
477 |
|
478 |
if (action == SAVE) { |
479 |
next_tty_action = RESTORE; |
480 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
481 |
/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */ |
482 |
if (lstat(ttydev, &ttyfd_stat) < 0) /* you lose out */ |
483 |
next_tty_action = IGNORE; |
484 |
else |
485 |
# endif |
486 |
{ |
487 |
chown(ttydev, getuid(), ttygid); /* fail silently */ |
488 |
chmod(ttydev, ttymode); |
489 |
# ifdef HAVE_REVOKE |
490 |
revoke(ttydev); |
491 |
# endif |
492 |
} |
493 |
} else { /* action == RESTORE */ |
494 |
next_tty_action = IGNORE; |
495 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
496 |
chmod(ttydev, ttyfd_stat.st_mode); |
497 |
chown(ttydev, ttyfd_stat.st_uid, ttyfd_stat.st_gid); |
498 |
# else |
499 |
chmod(ttydev, |
500 |
(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
501 |
chown(ttydev, 0, 0); |
502 |
# endif |
503 |
} |
504 |
|
505 |
privileges (IGNORE); |
506 |
|
507 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
508 |
D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", |
509 |
action == RESTORE ? "Restoring" : (action == |
510 |
SAVE ? "Saving" : |
511 |
"UNKNOWN ERROR for"), ttydev, |
512 |
ttyfd_stat.st_mode, ttyfd_stat.st_uid, |
513 |
ttyfd_stat.st_gid)); |
514 |
# endif |
515 |
} |
516 |
#endif |
517 |
|
518 |
/*----------------------------------------------------------------------*/ |
519 |
/* |
520 |
* window size/position calculcations for XSizeHint and other storage. |
521 |
* if width/height are non-zero then override calculated width/height |
522 |
*/ |
523 |
void |
524 |
rxvt_term::window_calc (unsigned int width, unsigned int height) |
525 |
{ |
526 |
short recalc_x, recalc_y; |
527 |
int x, y, sb_w, mb_h, flags; |
528 |
unsigned int w, h; |
529 |
unsigned int max_width, max_height; |
530 |
|
531 |
D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
532 |
TermWin.ncol, TermWin.nrow, szHint.width, |
533 |
szHint.height)); |
534 |
szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
535 |
szHint.win_gravity = NorthWestGravity; |
536 |
/* szHint.min_aspect.x = szHint.min_aspect.y = 1; */ |
537 |
|
538 |
recalc_x = recalc_y = 0; |
539 |
flags = 0; |
540 |
if (!parsed_geometry) { |
541 |
parsed_geometry = 1; |
542 |
if (rs[Rs_geometry]) |
543 |
flags = XParseGeometry(rs[Rs_geometry], &x, &y, &w, &h); |
544 |
if (flags & WidthValue) { |
545 |
TermWin.ncol = BOUND_POSITIVE_INT16(w); |
546 |
szHint.flags |= USSize; |
547 |
} |
548 |
if (flags & HeightValue) { |
549 |
TermWin.nrow = BOUND_POSITIVE_INT16(h); |
550 |
szHint.flags |= USSize; |
551 |
} |
552 |
if (flags & XValue) { |
553 |
szHint.x = x; |
554 |
szHint.flags |= USPosition; |
555 |
if (flags & XNegative) { |
556 |
recalc_x = 1; |
557 |
szHint.win_gravity = NorthEastGravity; |
558 |
} |
559 |
} |
560 |
if (flags & YValue) { |
561 |
szHint.y = y; |
562 |
szHint.flags |= USPosition; |
563 |
if (flags & YNegative) { |
564 |
recalc_y = 1; |
565 |
if (szHint.win_gravity == NorthEastGravity) |
566 |
szHint.win_gravity = SouthEastGravity; |
567 |
else |
568 |
szHint.win_gravity = SouthWestGravity; |
569 |
} |
570 |
} |
571 |
} |
572 |
/* TODO: BOUNDS */ |
573 |
TermWin.width = TermWin.ncol * TermWin.fwidth; |
574 |
TermWin.height = TermWin.nrow * TermWin.fheight; |
575 |
max_width = MAX_COLS * TermWin.fwidth; |
576 |
max_height = MAX_ROWS * TermWin.fheight; |
577 |
|
578 |
szHint.base_width = szHint.base_height = 2 * TermWin.int_bwidth; |
579 |
|
580 |
sb_w = mb_h = 0; |
581 |
window_vt_x = window_vt_y = 0; |
582 |
if (scrollbar_visible ()) { |
583 |
sb_w = scrollbar_TotalWidth(); |
584 |
szHint.base_width += sb_w; |
585 |
if (!(Options & Opt_scrollBar_right)) |
586 |
window_vt_x = sb_w; |
587 |
} |
588 |
if (menubar_visible ()) { |
589 |
mb_h = menuBar_TotalHeight(); |
590 |
szHint.base_height += mb_h; |
591 |
window_vt_y = mb_h; |
592 |
} |
593 |
szHint.width_inc = TermWin.fwidth; |
594 |
szHint.height_inc = TermWin.fheight; |
595 |
szHint.min_width = szHint.base_width + szHint.width_inc; |
596 |
szHint.min_height = szHint.base_height + szHint.height_inc; |
597 |
|
598 |
if (width && width - szHint.base_width < max_width) { |
599 |
szHint.width = width; |
600 |
TermWin.width = width - szHint.base_width; |
601 |
} else { |
602 |
MIN_IT(TermWin.width, max_width); |
603 |
szHint.width = szHint.base_width + TermWin.width; |
604 |
} |
605 |
if (height && height - szHint.base_height < max_height) { |
606 |
szHint.height = height; |
607 |
TermWin.height = height - szHint.base_height; |
608 |
} else { |
609 |
MIN_IT(TermWin.height, max_height); |
610 |
szHint.height = szHint.base_height + TermWin.height; |
611 |
} |
612 |
if (scrollbar_visible () && (Options & Opt_scrollBar_right)) |
613 |
window_sb_x = szHint.width - sb_w; |
614 |
|
615 |
if (recalc_x) |
616 |
szHint.x += (DisplayWidth (Xdisplay, DefaultScreen (Xdisplay)) |
617 |
- szHint.width - 2 * TermWin.ext_bwidth); |
618 |
if (recalc_y) |
619 |
szHint.y += (DisplayHeight (Xdisplay, DefaultScreen (Xdisplay)) |
620 |
- szHint.height - 2 * TermWin.ext_bwidth); |
621 |
|
622 |
TermWin.ncol = TermWin.width / TermWin.fwidth; |
623 |
TermWin.nrow = TermWin.height / TermWin.fheight; |
624 |
D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
625 |
TermWin.ncol, TermWin.nrow, szHint.width, |
626 |
szHint.height)); |
627 |
return; |
628 |
} |
629 |
|
630 |
/*----------------------------------------------------------------------*/ |
631 |
/* |
632 |
* Tell the teletype handler what size the window is. |
633 |
* Called after a window size change. |
634 |
*/ |
635 |
void |
636 |
rxvt_term::tt_winch () |
637 |
{ |
638 |
struct winsize ws; |
639 |
|
640 |
if (cmd_fd < 0) |
641 |
return; |
642 |
|
643 |
ws.ws_col = TermWin.ncol; |
644 |
ws.ws_row = TermWin.nrow; |
645 |
ws.ws_xpixel = ws.ws_ypixel = 0; |
646 |
#ifndef DEBUG_SIZE |
647 |
(void)ioctl (cmd_fd, TIOCSWINSZ, &ws); |
648 |
#else |
649 |
if (ioctl (cmd_fd, TIOCSWINSZ, &ws) < 0) |
650 |
D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); |
651 |
# ifdef SIGWINCH |
652 |
else if (cmd_pid) /* force through to the command */ |
653 |
kill (cmd_pid, SIGWINCH); |
654 |
# endif |
655 |
#endif |
656 |
} |
657 |
|
658 |
/*----------------------------------------------------------------------*/ |
659 |
/* rxvt_change_font() - Switch to a new font */ |
660 |
/* |
661 |
* init = 1 - initialize |
662 |
* |
663 |
* fontname == FONT_UP - switch to bigger font |
664 |
* fontname == FONT_DN - switch to smaller font |
665 |
*/ |
666 |
void |
667 |
rxvt_term::change_font (int init, const char *fontname) |
668 |
{ |
669 |
} |
670 |
|
671 |
void |
672 |
rxvt_term::font_up_down (int n, int direction) |
673 |
{ |
674 |
} |
675 |
|
676 |
/*----------------------------------------------------------------------*/ |
677 |
/*----------------------------------------------------------------------*/ |
678 |
/* xterm sequences - title, iconName, color (exptl) */ |
679 |
void |
680 |
rxvt_term::set_title (const char *str) |
681 |
{ |
682 |
#ifndef SMART_WINDOW_TITLE |
683 |
XStoreName(Xdisplay, TermWin.parent[0], str); |
684 |
#else |
685 |
char *name; |
686 |
|
687 |
if (XFetchName(Xdisplay, TermWin.parent[0], &name) == 0) |
688 |
name = NULL; |
689 |
if (name == NULL || STRCMP(name, str)) |
690 |
XStoreName(Xdisplay, TermWin.parent[0], str); |
691 |
if (name) |
692 |
XFree(name); |
693 |
#endif |
694 |
} |
695 |
|
696 |
void |
697 |
rxvt_term::set_iconName (const char *str) |
698 |
{ |
699 |
#ifndef SMART_WINDOW_TITLE |
700 |
XSetIconName(Xdisplay, TermWin.parent[0], str); |
701 |
#else |
702 |
char *name; |
703 |
|
704 |
if (XGetIconName(Xdisplay, TermWin.parent[0], &name)) |
705 |
name = NULL; |
706 |
if (name == NULL || STRCMP(name, str)) |
707 |
XSetIconName(Xdisplay, TermWin.parent[0], str); |
708 |
if (name) |
709 |
XFree(name); |
710 |
#endif |
711 |
} |
712 |
|
713 |
#ifdef XTERM_COLOR_CHANGE |
714 |
void |
715 |
rxvt_term::set_window_color (int idx, const char *color) |
716 |
{ |
717 |
rxvt_color xcol; |
718 |
int i; |
719 |
|
720 |
if (color == NULL || *color == '\0') |
721 |
return; |
722 |
|
723 |
/* handle color aliases */ |
724 |
if (isdigit(*color)) { |
725 |
i = atoi(color); |
726 |
if (i >= 8 && i <= 15) { /* bright colors */ |
727 |
i -= 8; |
728 |
# ifndef NO_BRIGHTCOLOR |
729 |
PixColors[idx] = PixColors[minBrightCOLOR + i]; |
730 |
SET_PIXCOLOR(idx); |
731 |
goto Done; |
732 |
# endif |
733 |
} |
734 |
if (i >= 0 && i <= 7) { /* normal colors */ |
735 |
PixColors[idx] = PixColors[minCOLOR + i]; |
736 |
SET_PIXCOLOR(idx); |
737 |
goto Done; |
738 |
} |
739 |
} |
740 |
if (!rXParseAllocColor (& xcol, color)) |
741 |
return; |
742 |
/* XStoreColor (Xdisplay, XCMAP, XColor*); */ |
743 |
|
744 |
/* |
745 |
* FIXME: should free colors here, but no idea how to do it so instead, |
746 |
* so just keep gobbling up the colormap |
747 |
*/ |
748 |
# if 0 |
749 |
for (i = Color_Black; i <= Color_White; i++) |
750 |
if (PixColors[idx] == PixColors[i]) |
751 |
break; |
752 |
if (i > Color_White) { |
753 |
/* fprintf (stderr, "XFreeColors: PixColors [%d] = %lu\n", idx, PixColors [idx]); */ |
754 |
XFreeColors(Xdisplay, XCMAP, (PixColors + idx), 1, |
755 |
DisplayPlanes(Xdisplay, Xscreen)); |
756 |
} |
757 |
# endif |
758 |
|
759 |
PixColors[idx] = xcol; |
760 |
SET_PIXCOLOR(idx); |
761 |
|
762 |
/* XSetWindowAttributes attr; */ |
763 |
/* Cursor cursor; */ |
764 |
Done: |
765 |
if (idx == Color_bg && !(Options & Opt_transparent)) |
766 |
XSetWindowBackground(Xdisplay, TermWin.vt, |
767 |
PixColors[Color_bg]); |
768 |
|
769 |
/* handle Color_BD, scrollbar background, etc. */ |
770 |
|
771 |
set_colorfgbg (); |
772 |
recolour_cursor (); |
773 |
/* the only reasonable way to enforce a clean update */ |
774 |
scr_poweron (); |
775 |
} |
776 |
|
777 |
#else |
778 |
# define set_window_color (idx,color) ((void)0) |
779 |
#endif /* XTERM_COLOR_CHANGE */ |
780 |
|
781 |
void |
782 |
rxvt_term::recolour_cursor () |
783 |
{ |
784 |
#if TODO |
785 |
rxvt_color xcol[2]; |
786 |
|
787 |
xcol[0] = PixColors[Color_pointer]; |
788 |
xcol[1] = PixColors[Color_bg]; |
789 |
XQueryColors (Xdisplay, XCMAP, xcol, 2); |
790 |
XRecolorCursor (Xdisplay, TermWin_cursor, &(xcol[0]), &(xcol[1])); |
791 |
#endif |
792 |
} |
793 |
|
794 |
/*----------------------------------------------------------------------*/ |
795 |
/* |
796 |
* find if fg/bg matches any of the normal (low-intensity) colors |
797 |
*/ |
798 |
void |
799 |
rxvt_term::set_colorfgbg () |
800 |
{ |
801 |
unsigned int i; |
802 |
const char *xpmb = "\0"; |
803 |
char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; |
804 |
|
805 |
env_colorfgbg = |
806 |
(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); |
807 |
STRCPY(fstr, "default"); |
808 |
STRCPY(bstr, "default"); |
809 |
for (i = Color_Black; i <= Color_White; i++) |
810 |
if (PixColors[Color_fg] == PixColors[i]) { |
811 |
sprintf(fstr, "%d", (i - Color_Black)); |
812 |
break; |
813 |
} |
814 |
for (i = Color_Black; i <= Color_White; i++) |
815 |
if (PixColors[Color_bg] == PixColors[i]) { |
816 |
sprintf(bstr, "%d", (i - Color_Black)); |
817 |
#ifdef XPM_BACKGROUND |
818 |
xpmb = "default;"; |
819 |
#endif |
820 |
break; |
821 |
} |
822 |
sprintf(env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
823 |
putenv(env_colorfgbg); |
824 |
|
825 |
#ifndef NO_BRIGHTCOLOR |
826 |
colorfgbg = DEFAULT_RSTYLE; |
827 |
for (i = minCOLOR; i <= maxCOLOR; i++) { |
828 |
if (PixColors[Color_fg] == PixColors[i]) |
829 |
colorfgbg = SET_FGCOLOR(colorfgbg, i); |
830 |
if (PixColors[Color_bg] == PixColors[i]) |
831 |
colorfgbg = SET_BGCOLOR(colorfgbg, i); |
832 |
} |
833 |
#endif |
834 |
} |
835 |
|
836 |
/*----------------------------------------------------------------------*/ |
837 |
/* |
838 |
* Colour determination for low colour displays, routine from |
839 |
* Hans de Goede <hans@highrise.nl> |
840 |
*/ |
841 |
|
842 |
int |
843 |
rxvt_term::rXParseAllocColor (rxvt_color *screen_in_out, const char *colour) |
844 |
{ |
845 |
if (!screen_in_out->set (this, colour)) { |
846 |
rxvt_print_error("can't allocate colour: %s", colour); |
847 |
return false; |
848 |
} |
849 |
|
850 |
return true; |
851 |
} |
852 |
|
853 |
/* -------------------------------------------------------------------- * |
854 |
* - WINDOW RESIZING - * |
855 |
* -------------------------------------------------------------------- */ |
856 |
void |
857 |
rxvt_term::resize_all_windows (unsigned int width, unsigned int height, int ignoreparent) |
858 |
{ |
859 |
int fix_screen; |
860 |
|
861 |
#ifdef SMART_RESIZE |
862 |
int old_width = szHint.width, old_height = szHint.height; |
863 |
#endif |
864 |
|
865 |
window_calc (width, height); |
866 |
XSetWMNormalHints (Xdisplay, TermWin.parent[0], &szHint); |
867 |
if (!ignoreparent) |
868 |
{ |
869 |
#ifdef SMART_RESIZE |
870 |
/* |
871 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
872 |
* reposition window on resize depending on placement on screen |
873 |
*/ |
874 |
int x, y, x1, y1; |
875 |
int dx, dy; |
876 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
877 |
Window unused_cr; |
878 |
|
879 |
XTranslateCoordinates (Xdisplay, TermWin.parent[0], Xroot, |
880 |
0, 0, &x, &y, &unused_cr); |
881 |
XGetGeometry (Xdisplay, TermWin.parent[0], &unused_cr, &x1, &y1, |
882 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
883 |
/* |
884 |
* if Xroot isn't the parent window, a WM will probably have offset |
885 |
* our position for handles and decorations. Counter it |
886 |
*/ |
887 |
if (x1 != x || y1 != y) { |
888 |
x -= x1; |
889 |
y -= y1; |
890 |
} |
891 |
|
892 |
x1 = (DisplayWidth (Xdisplay, Xscreen) - old_width) / 2; |
893 |
y1 = (DisplayHeight (Xdisplay, Xscreen) - old_height) / 2; |
894 |
dx = old_width - szHint.width; |
895 |
dy = old_height - szHint.height; |
896 |
|
897 |
/* Check position of the center of the window */ |
898 |
if (x < x1) /* left half */ |
899 |
dx = 0; |
900 |
else if (x == x1) /* exact center */ |
901 |
dx /= 2; |
902 |
if (y < y1) /* top half */ |
903 |
dy = 0; |
904 |
else if (y == y1) /* exact center */ |
905 |
dy /= 2; |
906 |
|
907 |
XMoveResizeWindow (Xdisplay, TermWin.parent[0], x + dx, y + dy, |
908 |
szHint.width, szHint.height); |
909 |
#else |
910 |
XResizeWindow (Xdisplay, TermWin.parent[0], szHint.width, |
911 |
szHint.height); |
912 |
#endif |
913 |
} |
914 |
|
915 |
fix_screen = (TermWin.ncol != prev_ncol |
916 |
|| TermWin.nrow != prev_nrow); |
917 |
|
918 |
if (fix_screen || width != old_width || height != old_height) |
919 |
{ |
920 |
if (scrollbar_visible ()) |
921 |
{ |
922 |
XMoveResizeWindow (Xdisplay, scrollBar.win, window_sb_x, |
923 |
0, scrollbar_TotalWidth (), szHint.height); |
924 |
resize_scrollbar (); |
925 |
} |
926 |
|
927 |
if (menubar_visible ()) |
928 |
XMoveResizeWindow (Xdisplay, menuBar.win, window_vt_x, |
929 |
0, TermWin_TotalWidth (), menuBar_TotalHeight ()); |
930 |
|
931 |
XMoveResizeWindow (Xdisplay, TermWin.vt, window_vt_x, |
932 |
window_vt_y, TermWin_TotalWidth (), |
933 |
TermWin_TotalHeight ()); |
934 |
#ifdef RXVT_GRAPHICS |
935 |
if (old_height) |
936 |
Gr_Resize (old_width - szHint.base_width, |
937 |
old_height - szHint.base_height); |
938 |
#endif |
939 |
scr_clear (); |
940 |
#ifdef XPM_BACKGROUND |
941 |
resize_pixmap (); |
942 |
#endif |
943 |
} |
944 |
|
945 |
if (fix_screen || old_height == 0) |
946 |
{ |
947 |
int curr_screen = -1; |
948 |
int old_ncol = prev_ncol; |
949 |
|
950 |
/* scr_reset only works on the primary screen */ |
951 |
if (old_height) /* this is not the first time through */ |
952 |
{ |
953 |
unsigned int ncol = TermWin.ncol; |
954 |
TermWin.ncol = prev_ncol; // save b/c scr_blank_screen_mem uses this |
955 |
curr_screen = scr_change_screen (PRIMARY); |
956 |
TermWin.ncol = ncol; |
957 |
} |
958 |
|
959 |
scr_reset(); |
960 |
|
961 |
if (curr_screen >= 0) /* this is not the first time through */ |
962 |
{ |
963 |
scr_change_screen (curr_screen); |
964 |
selection_check (old_ncol != TermWin.ncol ? 4 : 0); |
965 |
} |
966 |
} |
967 |
|
968 |
old_width = szHint.width; |
969 |
old_height = szHint.height; |
970 |
|
971 |
#ifdef USE_XIM |
972 |
IMSetStatusPosition (); |
973 |
#endif |
974 |
} |
975 |
|
976 |
/* |
977 |
* Set the width/height of the vt window in characters. Units are pixels. |
978 |
* good for toggling 80/132 columns |
979 |
*/ |
980 |
void |
981 |
rxvt_term::set_widthheight (unsigned int width, unsigned int height) |
982 |
{ |
983 |
XWindowAttributes wattr; |
984 |
|
985 |
if (width == 0 || height == 0) { |
986 |
XGetWindowAttributes(Xdisplay, Xroot, &wattr); |
987 |
if (width == 0) |
988 |
width = wattr.width - szHint.base_width; |
989 |
if (height == 0) |
990 |
height = wattr.height - szHint.base_height; |
991 |
} |
992 |
if (width != TermWin.width || height != TermWin.height) { |
993 |
width += szHint.base_width; |
994 |
height += szHint.base_height; |
995 |
resize_all_windows (width, height, 0); |
996 |
} |
997 |
} |
998 |
|
999 |
/* -------------------------------------------------------------------- * |
1000 |
* - X INPUT METHOD ROUTINES - * |
1001 |
* -------------------------------------------------------------------- */ |
1002 |
#ifdef USE_XIM |
1003 |
void |
1004 |
rxvt_term::set_size (XRectangle *size) |
1005 |
{ |
1006 |
size->x = TermWin.int_bwidth; |
1007 |
size->y = TermWin.int_bwidth; |
1008 |
size->width = Width2Pixel(TermWin.ncol); |
1009 |
size->height = Height2Pixel(TermWin.nrow); |
1010 |
} |
1011 |
|
1012 |
void |
1013 |
rxvt_term::set_color (unsigned long *fg, unsigned long *bg) |
1014 |
{ |
1015 |
*fg = PixColors[Color_fg]; |
1016 |
*bg = PixColors[Color_bg]; |
1017 |
} |
1018 |
|
1019 |
/* Checking whether input method is running. */ |
1020 |
bool |
1021 |
rxvt_term::IMisRunning () |
1022 |
{ |
1023 |
char *p; |
1024 |
Atom atom; |
1025 |
Window win; |
1026 |
char server[IMBUFSIZ]; |
1027 |
|
1028 |
/* get current locale modifier */ |
1029 |
if ((p = XSetLocaleModifiers(NULL)) != NULL) { |
1030 |
STRCPY(server, "@server="); |
1031 |
STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
1032 |
if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ |
1033 |
*p = '\0'; |
1034 |
|
1035 |
atom = XInternAtom(Xdisplay, server, False); |
1036 |
win = XGetSelectionOwner(Xdisplay, atom); |
1037 |
if (win != None) |
1038 |
return True; |
1039 |
} |
1040 |
return False; |
1041 |
} |
1042 |
|
1043 |
void |
1044 |
rxvt_term::IMSendSpot () |
1045 |
{ |
1046 |
XPoint spot; |
1047 |
XVaNestedList preedit_attr; |
1048 |
|
1049 |
if (Input_Context == NULL |
1050 |
|| !TermWin.focus || !(input_style & XIMPreeditPosition) |
1051 |
|| !(event_type == KeyPress |
1052 |
|| event_type == Expose |
1053 |
|| event_type == NoExpose |
1054 |
|| event_type == SelectionNotify |
1055 |
|| event_type == ButtonRelease || event_type == FocusIn) |
1056 |
|| !IMisRunning ()) |
1057 |
return; |
1058 |
|
1059 |
set_position (&spot); |
1060 |
|
1061 |
preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); |
1062 |
XSetICValues(Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
1063 |
XFree(preedit_attr); |
1064 |
} |
1065 |
|
1066 |
void |
1067 |
rxvt_term::set_preedit_area (XRectangle * preedit_rect, XRectangle * status_rect, |
1068 |
XRectangle * needed_rect) |
1069 |
{ |
1070 |
int mbh, vtx = 0; |
1071 |
|
1072 |
if (scrollbar_visible () && !(Options & Opt_scrollBar_right)) |
1073 |
vtx = scrollbar_TotalWidth(); |
1074 |
|
1075 |
mbh = menubar_visible () ? menuBar_TotalHeight() : 0; |
1076 |
mbh -= TermWin.lineSpace; |
1077 |
|
1078 |
preedit_rect->x = needed_rect->width + vtx; |
1079 |
preedit_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh; |
1080 |
|
1081 |
preedit_rect->width = Width2Pixel(TermWin.ncol + 1) - needed_rect->width + vtx; |
1082 |
preedit_rect->height = Height2Pixel(1); |
1083 |
|
1084 |
status_rect->x = vtx; |
1085 |
status_rect->y = Height2Pixel(TermWin.nrow - 1) + mbh; |
1086 |
|
1087 |
status_rect->width = needed_rect->width ? needed_rect->width : Width2Pixel(TermWin.ncol + 1); |
1088 |
status_rect->height = Height2Pixel(1); |
1089 |
} |
1090 |
|
1091 |
/* ARGSUSED */ |
1092 |
/* EXTPROTO */ |
1093 |
void |
1094 |
rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data |
1095 |
__attribute__ ((unused)), XPointer call_data |
1096 |
__attribute__ ((unused))) |
1097 |
{ |
1098 |
GET_R->Input_Context = NULL; |
1099 |
/* To avoid Segmentation Fault in C locale: Solaris only? */ |
1100 |
if (STRCMP (GET_R->locale, "C")) |
1101 |
XRegisterIMInstantiateCallback(GET_R->Xdisplay, NULL, NULL, NULL, |
1102 |
rxvt_IMInstantiateCallback, NULL); |
1103 |
} |
1104 |
|
1105 |
/* |
1106 |
* Try to open a XIM with the current modifiers, then see if we can |
1107 |
* open a suitable preedit type |
1108 |
*/ |
1109 |
bool |
1110 |
rxvt_term::IM_get_IC () |
1111 |
{ |
1112 |
int i, j, found; |
1113 |
XIM xim; |
1114 |
XPoint spot; |
1115 |
XRectangle rect, status_rect, needed_rect; |
1116 |
unsigned long fg, bg; |
1117 |
const char *p; |
1118 |
char **s; |
1119 |
XIMStyles *xim_styles; |
1120 |
XVaNestedList preedit_attr, status_attr; |
1121 |
XIMCallback ximcallback; |
1122 |
|
1123 |
D_MAIN((stderr, "rxvt_IM_get_IC()")); |
1124 |
xim = XOpenIM (Xdisplay, NULL, NULL, NULL); |
1125 |
if (xim == NULL) |
1126 |
return False; |
1127 |
|
1128 |
xim_styles = NULL; |
1129 |
if (XGetIMValues (xim, XNQueryInputStyle, &xim_styles, NULL) |
1130 |
|| !xim_styles || !xim_styles->count_styles) { |
1131 |
XCloseIM(xim); |
1132 |
return False; |
1133 |
} |
1134 |
|
1135 |
p = rs[Rs_preeditType] ? rs[Rs_preeditType] |
1136 |
: "OverTheSpot,OffTheSpot,Root"; |
1137 |
s = rxvt_splitcommastring(p); |
1138 |
for (i = found = 0; !found && s[i]; i++) { |
1139 |
if (!STRCMP(s[i], "OverTheSpot")) |
1140 |
input_style = (XIMPreeditPosition | XIMStatusNothing); |
1141 |
else if (!STRCMP(s[i], "OffTheSpot")) |
1142 |
input_style = (XIMPreeditArea | XIMStatusArea); |
1143 |
else if (!STRCMP(s[i], "Root")) |
1144 |
input_style = (XIMPreeditNothing | XIMStatusNothing); |
1145 |
|
1146 |
for (j = 0; j < xim_styles->count_styles; j++) |
1147 |
if (input_style == xim_styles->supported_styles[j]) { |
1148 |
found = 1; |
1149 |
break; |
1150 |
} |
1151 |
} |
1152 |
for (i = 0; s[i]; i++) |
1153 |
free(s[i]); |
1154 |
free(s); |
1155 |
XFree(xim_styles); |
1156 |
|
1157 |
if (!found) { |
1158 |
XCloseIM(xim); |
1159 |
return False; |
1160 |
} |
1161 |
|
1162 |
ximcallback.callback = rxvt_IMDestroyCallback; |
1163 |
|
1164 |
/* XXX: not sure why we need this (as well as IC one below) */ |
1165 |
XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); |
1166 |
|
1167 |
preedit_attr = status_attr = NULL; |
1168 |
|
1169 |
if (input_style & XIMPreeditPosition) { |
1170 |
set_size (&rect); |
1171 |
set_position (&spot); |
1172 |
set_color (&fg, &bg); |
1173 |
|
1174 |
preedit_attr = XVaCreateNestedList(0, XNArea, &rect, |
1175 |
XNSpotLocation, &spot, |
1176 |
XNForeground, fg, XNBackground, bg, |
1177 |
//XNFontSet, TermWin.fontset, |
1178 |
NULL); |
1179 |
} else if (input_style & XIMPreeditArea) { |
1180 |
set_color (&fg, &bg); |
1181 |
|
1182 |
/* |
1183 |
* The necessary width of preedit area is unknown |
1184 |
* until create input context. |
1185 |
*/ |
1186 |
needed_rect.width = 0; |
1187 |
|
1188 |
set_preedit_area(&rect, &status_rect, &needed_rect); |
1189 |
|
1190 |
preedit_attr = XVaCreateNestedList(0, XNArea, &rect, |
1191 |
XNForeground, fg, XNBackground, bg, |
1192 |
//XNFontSet, TermWin.fontset, |
1193 |
NULL); |
1194 |
status_attr = XVaCreateNestedList(0, XNArea, &status_rect, |
1195 |
XNForeground, fg, XNBackground, bg, |
1196 |
//XNFontSet, TermWin.fontset, |
1197 |
NULL); |
1198 |
} |
1199 |
Input_Context = XCreateIC(xim, XNInputStyle, input_style, |
1200 |
XNClientWindow, TermWin.parent[0], |
1201 |
XNFocusWindow, TermWin.parent[0], |
1202 |
XNDestroyCallback, &ximcallback, |
1203 |
preedit_attr ? XNPreeditAttributes : NULL, |
1204 |
preedit_attr, |
1205 |
status_attr ? XNStatusAttributes : NULL, |
1206 |
status_attr, NULL); |
1207 |
if (preedit_attr) |
1208 |
XFree(preedit_attr); |
1209 |
if (status_attr) |
1210 |
XFree(status_attr); |
1211 |
if (Input_Context == NULL) { |
1212 |
rxvt_print_error("failed to create input context"); |
1213 |
XCloseIM(xim); |
1214 |
return False; |
1215 |
} |
1216 |
if (input_style & XIMPreeditArea) |
1217 |
IMSetStatusPosition (); |
1218 |
D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection")); |
1219 |
return True; |
1220 |
} |
1221 |
|
1222 |
/* |
1223 |
* X manual pages and include files don't match on some systems: |
1224 |
* some think this is an XIDProc and others an XIMProc so we can't |
1225 |
* use the first argument - need to update this to be nice for |
1226 |
* both types via some sort of configure detection |
1227 |
*/ |
1228 |
/* ARGSUSED */ |
1229 |
/* EXTPROTO */ |
1230 |
void |
1231 |
rxvt_IMInstantiateCallback(Display * unused |
1232 |
__attribute__ ((unused)), XPointer client_data |
1233 |
__attribute__ ((unused)), XPointer call_data |
1234 |
__attribute__ ((unused))) |
1235 |
{ |
1236 |
int i, found, had_im; |
1237 |
const char *p; |
1238 |
char **s; |
1239 |
char buf[IMBUFSIZ]; |
1240 |
|
1241 |
D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); |
1242 |
if (GET_R->Input_Context) |
1243 |
return; |
1244 |
|
1245 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1246 |
if (GET_R->rs[Rs_imLocale]) |
1247 |
setlocale (LC_CTYPE, GET_R->rs[Rs_imLocale]); |
1248 |
#endif |
1249 |
|
1250 |
p = GET_R->rs[Rs_inputMethod]; |
1251 |
if (p && *p) |
1252 |
{ |
1253 |
bool found = false; |
1254 |
|
1255 |
s = rxvt_splitcommastring (p); |
1256 |
for (i = 0; s[i]; i++) |
1257 |
{ |
1258 |
if (*s[i]) |
1259 |
{ |
1260 |
STRCPY (buf, "@im="); |
1261 |
STRNCAT (buf, s[i], IMBUFSIZ - 5); |
1262 |
if ((p = XSetLocaleModifiers (buf)) && *p && GET_R->IM_get_IC ()) |
1263 |
{ |
1264 |
found = true; |
1265 |
break; |
1266 |
} |
1267 |
} |
1268 |
} |
1269 |
for (i = 0; s[i]; i++) |
1270 |
free(s[i]); |
1271 |
free(s); |
1272 |
|
1273 |
if (found) |
1274 |
goto done; |
1275 |
} |
1276 |
|
1277 |
/* try with XMODIFIERS env. var. */ |
1278 |
if ((p = XSetLocaleModifiers ("")) && *p |
1279 |
&& GET_R->IM_get_IC ()) |
1280 |
goto done; |
1281 |
|
1282 |
/* try with no modifiers base IF the user didn't specify an IM */ |
1283 |
if ((p = XSetLocaleModifiers ("@im=none")) && *p |
1284 |
&& GET_R->IM_get_IC () == True) |
1285 |
goto done; |
1286 |
|
1287 |
done: |
1288 |
#if defined(HAVE_XSETLOCALE) || defined(HAVE_SETLOCALE) |
1289 |
if (GET_R->rs[Rs_imLocale]) |
1290 |
setlocale (LC_CTYPE, GET_R->locale); |
1291 |
#endif |
1292 |
} |
1293 |
|
1294 |
void |
1295 |
rxvt_term::IMSetStatusPosition () |
1296 |
{ |
1297 |
XRectangle preedit_rect, status_rect, *needed_rect; |
1298 |
XVaNestedList preedit_attr, status_attr; |
1299 |
|
1300 |
if (Input_Context == NULL |
1301 |
|| !TermWin.focus || !(input_style & XIMPreeditArea) |
1302 |
|| !IMisRunning ()) |
1303 |
return; |
1304 |
|
1305 |
/* Getting the necessary width of preedit area */ |
1306 |
status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); |
1307 |
XGetICValues(Input_Context, XNStatusAttributes, status_attr, NULL); |
1308 |
XFree(status_attr); |
1309 |
|
1310 |
set_preedit_area(&preedit_rect, &status_rect, needed_rect); |
1311 |
|
1312 |
preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); |
1313 |
status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); |
1314 |
|
1315 |
XSetICValues(Input_Context, |
1316 |
XNPreeditAttributes, preedit_attr, |
1317 |
XNStatusAttributes, status_attr, NULL); |
1318 |
|
1319 |
XFree(preedit_attr); |
1320 |
XFree(status_attr); |
1321 |
} |
1322 |
#endif /* USE_XIM */ |
1323 |
|
1324 |
/*----------------------------------------------------------------------*/ |
1325 |
rxvt_t rxvt_current_term; |
1326 |
|
1327 |
/*----------------------- end-of-file (C source) -----------------------*/ |