| 1 |
/*--------------------------------*-C-*---------------------------------* |
| 2 |
* File: main.c |
| 3 |
*----------------------------------------------------------------------* |
| 4 |
* $Id: main.C,v 1.2 2003/11/24 17:31:27 pcg Exp $ |
| 5 |
* |
| 6 |
* All portions of code are copyright by their respective author/s. |
| 7 |
* Copyright (c) 1992 John Bovey, University of Kent at Canterbury <jdb@ukc.ac.uk> |
| 8 |
* - original version |
| 9 |
* Copyright (c) 1994 Robert Nation <nation@rocket.sanders.lockheed.com> |
| 10 |
* - extensive modifications |
| 11 |
* Copyright (c) 1995 Garrett D'Amore <garrett@netcom.com> |
| 12 |
* Copyright (c) 1997 mj olesen <olesen@me.QueensU.CA> |
| 13 |
* - extensive modifications |
| 14 |
* Copyright (c) 1997,1998 Oezguer Kesim <kesim@math.fu-berlin.de> |
| 15 |
* Copyright (c) 1998-2001 Geoff Wing <gcw@pobox.com> |
| 16 |
* - extensive modifications |
| 17 |
* |
| 18 |
* This program is free software; you can redistribute it and/or modify |
| 19 |
* it under the terms of the GNU General Public License as published by |
| 20 |
* the Free Software Foundation; either version 2 of the License, or |
| 21 |
* (at your option) any later version. |
| 22 |
* |
| 23 |
* This program is distributed in the hope that it will be useful, |
| 24 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 25 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 26 |
* GNU General Public License for more details. |
| 27 |
* |
| 28 |
* You should have received a copy of the GNU General Public License |
| 29 |
* along with this program; if not, write to the Free Software |
| 30 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 31 |
*---------------------------------------------------------------------*/ |
| 32 |
|
| 33 |
#include "../config.h" /* NECESSARY */ |
| 34 |
#include "rxvt.h" /* NECESSARY */ |
| 35 |
#include "main.intpro" /* PROTOS for internal routines */ |
| 36 |
|
| 37 |
#include <signal.h> |
| 38 |
|
| 39 |
#ifdef TTY_GID_SUPPORT |
| 40 |
# include <grp.h> |
| 41 |
#endif |
| 42 |
|
| 43 |
#ifdef HAVE_TERMIOS_H |
| 44 |
# include <termios.h> |
| 45 |
#endif |
| 46 |
|
| 47 |
rxvt_term::rxvt_term() |
| 48 |
: pty_ev(this, &rxvt_term::pty_cb), |
| 49 |
x_ev (this, &rxvt_term::x_cb) |
| 50 |
{ |
| 51 |
cmdbuf_ptr = cmdbuf_endp = cmdbuf_base; |
| 52 |
} |
| 53 |
|
| 54 |
void * |
| 55 |
rxvt_term::operator new (size_t s) |
| 56 |
{ |
| 57 |
void *p = malloc (s); |
| 58 |
|
| 59 |
MEMSET (p, 0, s); |
| 60 |
return p; |
| 61 |
} |
| 62 |
|
| 63 |
void |
| 64 |
rxvt_term::operator delete (void *p, size_t s) |
| 65 |
{ |
| 66 |
free (p); |
| 67 |
} |
| 68 |
|
| 69 |
/*----------------------------------------------------------------------*/ |
| 70 |
/* rxvt_init() */ |
| 71 |
/* LIBPROTO */ |
| 72 |
rxvt_t |
| 73 |
rxvt_init(int argc, const char *const *argv) |
| 74 |
{ |
| 75 |
const char **cmd_argv; |
| 76 |
|
| 77 |
SET_R(new rxvt_term); |
| 78 |
dR; |
| 79 |
|
| 80 |
if (rxvt_init_vars(aR) < 0) |
| 81 |
{ |
| 82 |
free(R); |
| 83 |
return NULL; |
| 84 |
} |
| 85 |
|
| 86 |
/* |
| 87 |
* Save and then give up any super-user privileges |
| 88 |
* If we need privileges in any area then we must specifically request it. |
| 89 |
* We should only need to be root in these cases: |
| 90 |
* 1. write utmp entries on some systems |
| 91 |
* 2. chown tty on some systems |
| 92 |
*/ |
| 93 |
rxvt_privileges(aR_ SAVE); |
| 94 |
rxvt_privileges(aR_ IGNORE); |
| 95 |
|
| 96 |
rxvt_init_secondary(aR); |
| 97 |
|
| 98 |
cmd_argv = rxvt_init_resources(aR_ argc, argv); |
| 99 |
|
| 100 |
R->x_ev.start (ConnectionNumber (R->Xdisplay), EVENT_READ); |
| 101 |
|
| 102 |
#if (MENUBAR_MAX) |
| 103 |
rxvt_menubar_read(aR_ R->rs[Rs_menu]); |
| 104 |
#endif |
| 105 |
#ifdef HAVE_SCROLLBARS |
| 106 |
if (R->Options & Opt_scrollBar) |
| 107 |
scrollbar_setIdle(); /* set existence for size calculations */ |
| 108 |
#endif |
| 109 |
|
| 110 |
rxvt_Create_Windows(aR_ argc, argv); |
| 111 |
|
| 112 |
rxvt_init_xlocale(aR); |
| 113 |
|
| 114 |
rxvt_scr_reset(aR); /* initialize screen */ |
| 115 |
#ifdef RXVT_GRAPHICS |
| 116 |
rxvt_Gr_reset(aR); /* reset graphics */ |
| 117 |
#endif |
| 118 |
|
| 119 |
#if 0 |
| 120 |
#ifdef DEBUG_X |
| 121 |
XSynchronize(R->Xdisplay, True); |
| 122 |
XSetErrorHandler((XErrorHandler) abort); |
| 123 |
#else |
| 124 |
XSetErrorHandler((XErrorHandler) rxvt_xerror_handler); |
| 125 |
#endif |
| 126 |
#endif |
| 127 |
|
| 128 |
#ifdef HAVE_SCROLLBARS |
| 129 |
if (R->Options & Opt_scrollBar) |
| 130 |
rxvt_Resize_scrollBar(aR); /* create and map scrollbar */ |
| 131 |
#endif |
| 132 |
#if (MENUBAR_MAX) |
| 133 |
if (menubar_visible(r)) |
| 134 |
XMapWindow(R->Xdisplay, R->menuBar.win); |
| 135 |
#endif |
| 136 |
#ifdef TRANSPARENT |
| 137 |
if (R->Options & Opt_transparent) |
| 138 |
{ |
| 139 |
XSelectInput(R->Xdisplay, Xroot, PropertyChangeMask); |
| 140 |
rxvt_check_our_parents(aR); |
| 141 |
} |
| 142 |
#endif |
| 143 |
XMapWindow(R->Xdisplay, R->TermWin.vt); |
| 144 |
XMapWindow(R->Xdisplay, R->TermWin.parent[0]); |
| 145 |
|
| 146 |
rxvt_init_env(aR); |
| 147 |
rxvt_init_command(aR_ cmd_argv); |
| 148 |
|
| 149 |
R->pty_ev.start (R->cmd_fd, EVENT_READ); |
| 150 |
|
| 151 |
return R; |
| 152 |
} |
| 153 |
|
| 154 |
/* ------------------------------------------------------------------------- * |
| 155 |
* SIGNAL HANDLING & EXIT HANDLER * |
| 156 |
* ------------------------------------------------------------------------- */ |
| 157 |
/* |
| 158 |
* Catch a SIGCHLD signal and exit if the direct child has died |
| 159 |
*/ |
| 160 |
/* ARGSUSED */ |
| 161 |
/* EXTPROTO */ |
| 162 |
RETSIGTYPE |
| 163 |
rxvt_Child_signal(int sig __attribute__ ((unused))) |
| 164 |
{ |
| 165 |
dR; |
| 166 |
int pid, save_errno = errno; |
| 167 |
|
| 168 |
do { |
| 169 |
errno = 0; |
| 170 |
} while ((pid = waitpid(-1, NULL, WNOHANG)) == -1 && errno == EINTR); |
| 171 |
|
| 172 |
if (pid == R->cmd_pid) |
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exit(EXIT_SUCCESS); |
| 174 |
|
| 175 |
errno = save_errno; |
| 176 |
signal(SIGCHLD, rxvt_Child_signal); |
| 177 |
} |
| 178 |
|
| 179 |
/* |
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* Catch a fatal signal and tidy up before quitting |
| 181 |
*/ |
| 182 |
/* EXTPROTO */ |
| 183 |
RETSIGTYPE |
| 184 |
rxvt_Exit_signal(int sig) |
| 185 |
{ |
| 186 |
signal(sig, SIG_DFL); |
| 187 |
#ifdef DEBUG_CMD |
| 188 |
rxvt_print_error("signal %d", sig); |
| 189 |
#endif |
| 190 |
rxvt_clean_exit(); |
| 191 |
kill(getpid(), sig); |
| 192 |
} |
| 193 |
|
| 194 |
/* ARGSUSED */ |
| 195 |
/* INTPROTO */ |
| 196 |
int |
| 197 |
rxvt_xerror_handler(const Display * display |
| 198 |
__attribute__ ((unused)), const XErrorEvent * event) |
| 199 |
{ |
| 200 |
dR; |
| 201 |
|
| 202 |
if (R->allowedxerror == -1) { |
| 203 |
R->allowedxerror = event->error_code; |
| 204 |
return 0; /* ignored anyway */ |
| 205 |
} |
| 206 |
rxvt_print_error("XError: Request: %d . %d, Error: %d", |
| 207 |
event->request_code, event->minor_code, |
| 208 |
event->error_code); |
| 209 |
/* XXX: probably should call rxvt_clean_exit() bypassing X routines */ |
| 210 |
exit(EXIT_FAILURE); |
| 211 |
/* NOTREACHED */ |
| 212 |
} |
| 213 |
|
| 214 |
/*----------------------------------------------------------------------*/ |
| 215 |
/* |
| 216 |
* Exit gracefully, clearing the utmp entry and restoring tty attributes |
| 217 |
* TODO: if debugging, this should free up any known resources if we can |
| 218 |
*/ |
| 219 |
/* EXTPROTO */ |
| 220 |
void |
| 221 |
rxvt_clean_exit(void) |
| 222 |
{ |
| 223 |
dR; |
| 224 |
|
| 225 |
#ifdef DEBUG_SCREEN |
| 226 |
rxvt_scr_release(aR); |
| 227 |
#endif |
| 228 |
#ifndef NO_SETOWNER_TTYDEV |
| 229 |
rxvt_privileged_ttydev(aR_ RESTORE); |
| 230 |
#endif |
| 231 |
#ifdef UTMP_SUPPORT |
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rxvt_privileged_utmp(aR_ RESTORE); |
| 233 |
#endif |
| 234 |
#ifdef USE_XIM |
| 235 |
if (R->Input_Context != NULL) { |
| 236 |
XDestroyIC(R->Input_Context); |
| 237 |
R->Input_Context = NULL; |
| 238 |
} |
| 239 |
#endif |
| 240 |
} |
| 241 |
|
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/* ------------------------------------------------------------------------- * |
| 243 |
* MEMORY ALLOCATION WRAPPERS * |
| 244 |
* ------------------------------------------------------------------------- */ |
| 245 |
/* EXTPROTO */ |
| 246 |
void * |
| 247 |
rxvt_malloc(size_t size) |
| 248 |
{ |
| 249 |
void *p; |
| 250 |
|
| 251 |
p = malloc(size); |
| 252 |
if (p) |
| 253 |
return p; |
| 254 |
|
| 255 |
fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); |
| 256 |
rxvt_clean_exit(); |
| 257 |
exit(EXIT_FAILURE); |
| 258 |
/* NOTREACHED */ |
| 259 |
} |
| 260 |
|
| 261 |
/* EXTPROTO */ |
| 262 |
void * |
| 263 |
rxvt_calloc(size_t number, size_t size) |
| 264 |
{ |
| 265 |
void *p; |
| 266 |
|
| 267 |
p = calloc(number, size); |
| 268 |
if (p) |
| 269 |
return p; |
| 270 |
|
| 271 |
fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); |
| 272 |
rxvt_clean_exit(); |
| 273 |
exit(EXIT_FAILURE); |
| 274 |
/* NOTREACHED */ |
| 275 |
} |
| 276 |
|
| 277 |
/* EXTPROTO */ |
| 278 |
void * |
| 279 |
rxvt_realloc(void *ptr, size_t size) |
| 280 |
{ |
| 281 |
void *p; |
| 282 |
|
| 283 |
if (ptr) |
| 284 |
p = realloc(ptr, size); |
| 285 |
else |
| 286 |
p = malloc(size); |
| 287 |
if (p) |
| 288 |
return p; |
| 289 |
|
| 290 |
fprintf(stderr, APL_NAME ": memory allocation failure. Aborting"); |
| 291 |
rxvt_clean_exit(); |
| 292 |
exit(EXIT_FAILURE); |
| 293 |
/* NOTREACHED */ |
| 294 |
} |
| 295 |
|
| 296 |
/* ------------------------------------------------------------------------- * |
| 297 |
* PRIVILEGED OPERATIONS * |
| 298 |
* ------------------------------------------------------------------------- */ |
| 299 |
/* take care of suid/sgid super-user (root) privileges */ |
| 300 |
/* INTPROTO */ |
| 301 |
void |
| 302 |
rxvt_privileges(pR_ int mode) |
| 303 |
{ |
| 304 |
#if ! defined(__CYGWIN32__) |
| 305 |
# if !defined(HAVE_SETEUID) && defined(HAVE_SETREUID) |
| 306 |
/* setreuid() is the poor man's setuid(), seteuid() */ |
| 307 |
# define seteuid(a) setreuid(-1, (a)) |
| 308 |
# define setegid(a) setregid(-1, (a)) |
| 309 |
# define HAVE_SETEUID |
| 310 |
# endif |
| 311 |
# ifdef HAVE_SETEUID |
| 312 |
switch (mode) { |
| 313 |
case IGNORE: |
| 314 |
/* |
| 315 |
* change effective uid/gid - not real uid/gid - so we can switch |
| 316 |
* back to root later, as required |
| 317 |
*/ |
| 318 |
seteuid(getuid()); |
| 319 |
setegid(getgid()); |
| 320 |
break; |
| 321 |
case SAVE: |
| 322 |
R->euid = geteuid(); |
| 323 |
R->egid = getegid(); |
| 324 |
break; |
| 325 |
case RESTORE: |
| 326 |
seteuid(R->euid); |
| 327 |
setegid(R->egid); |
| 328 |
break; |
| 329 |
} |
| 330 |
# else |
| 331 |
switch (mode) { |
| 332 |
case IGNORE: |
| 333 |
setuid(getuid()); |
| 334 |
setgid(getgid()); |
| 335 |
/* FALLTHROUGH */ |
| 336 |
case SAVE: |
| 337 |
/* FALLTHROUGH */ |
| 338 |
case RESTORE: |
| 339 |
break; |
| 340 |
} |
| 341 |
# endif |
| 342 |
#endif |
| 343 |
} |
| 344 |
|
| 345 |
#ifdef UTMP_SUPPORT |
| 346 |
/* EXTPROTO */ |
| 347 |
void |
| 348 |
rxvt_privileged_utmp(pR_ char action) |
| 349 |
{ |
| 350 |
D_MAIN((stderr, "rxvt_privileged_utmp(%c); waiting for: %c (pid: %d)", |
| 351 |
action, R->next_utmp_action, getpid())); |
| 352 |
if (R->next_utmp_action != action || (action != SAVE && action != RESTORE) |
| 353 |
|| (R->Options & Opt_utmpInhibit) |
| 354 |
|| R->ttydev == NULL || *R->ttydev == '\0') |
| 355 |
return; |
| 356 |
|
| 357 |
rxvt_privileges(aR_ RESTORE); |
| 358 |
if (action == SAVE) { |
| 359 |
R->next_utmp_action = RESTORE; |
| 360 |
rxvt_makeutent(aR_ R->ttydev, R->rs[Rs_display_name]); |
| 361 |
} else { /* action == RESTORE */ |
| 362 |
R->next_utmp_action = IGNORE; |
| 363 |
rxvt_cleanutent(aR); |
| 364 |
} |
| 365 |
rxvt_privileges(aR_ IGNORE); |
| 366 |
} |
| 367 |
#endif |
| 368 |
|
| 369 |
#ifndef NO_SETOWNER_TTYDEV |
| 370 |
/* EXTPROTO */ |
| 371 |
void |
| 372 |
rxvt_privileged_ttydev(pR_ char action) |
| 373 |
{ |
| 374 |
D_MAIN((stderr, |
| 375 |
"rxvt_privileged_ttydev(aR_ %c); waiting for: %c (pid: %d)", |
| 376 |
action, R->next_tty_action, getpid())); |
| 377 |
if (R->next_tty_action != action || (action != SAVE && action != RESTORE) |
| 378 |
|| R->ttydev == NULL || *R->ttydev == '\0') |
| 379 |
return; |
| 380 |
|
| 381 |
rxvt_privileges(aR_ RESTORE); |
| 382 |
|
| 383 |
if (action == SAVE) { |
| 384 |
R->next_tty_action = RESTORE; |
| 385 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
| 386 |
/* store original tty status for restoration rxvt_clean_exit() -- rgg 04/12/95 */ |
| 387 |
if (lstat(R->ttydev, &R->ttyfd_stat) < 0) /* you lose out */ |
| 388 |
R->next_tty_action = IGNORE; |
| 389 |
else |
| 390 |
# endif |
| 391 |
{ |
| 392 |
chown(R->ttydev, getuid(), R->ttygid); /* fail silently */ |
| 393 |
chmod(R->ttydev, R->ttymode); |
| 394 |
# ifdef HAVE_REVOKE |
| 395 |
revoke(R->ttydev); |
| 396 |
# endif |
| 397 |
} |
| 398 |
} else { /* action == RESTORE */ |
| 399 |
R->next_tty_action = IGNORE; |
| 400 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
| 401 |
chmod(R->ttydev, R->ttyfd_stat.st_mode); |
| 402 |
chown(R->ttydev, R->ttyfd_stat.st_uid, R->ttyfd_stat.st_gid); |
| 403 |
# else |
| 404 |
chmod(R->ttydev, |
| 405 |
(S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)); |
| 406 |
chown(R->ttydev, 0, 0); |
| 407 |
# endif |
| 408 |
} |
| 409 |
|
| 410 |
rxvt_privileges(aR_ IGNORE); |
| 411 |
|
| 412 |
# ifndef RESET_TTY_TO_COMMON_DEFAULTS |
| 413 |
D_MAIN((stderr, "%s \"%s\": mode %03o, uid %d, gid %d", |
| 414 |
action == RESTORE ? "Restoring" : (action == |
| 415 |
SAVE ? "Saving" : |
| 416 |
"UNKNOWN ERROR for"), R->ttydev, |
| 417 |
R->ttyfd_stat.st_mode, R->ttyfd_stat.st_uid, |
| 418 |
R->ttyfd_stat.st_gid)); |
| 419 |
# endif |
| 420 |
} |
| 421 |
#endif |
| 422 |
|
| 423 |
/*----------------------------------------------------------------------*/ |
| 424 |
/* |
| 425 |
* window size/position calculcations for XSizeHint and other storage. |
| 426 |
* if width/height are non-zero then override calculated width/height |
| 427 |
*/ |
| 428 |
/* EXTPROTO */ |
| 429 |
void |
| 430 |
rxvt_window_calc(pR_ unsigned int width, unsigned int height) |
| 431 |
{ |
| 432 |
short recalc_x, recalc_y; |
| 433 |
int x, y, sb_w, mb_h, flags; |
| 434 |
unsigned int w, h; |
| 435 |
unsigned int max_width, max_height; |
| 436 |
|
| 437 |
D_SIZE((stderr, "< Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
| 438 |
R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, |
| 439 |
R->szHint.height)); |
| 440 |
R->szHint.flags = PMinSize | PResizeInc | PBaseSize | PWinGravity; |
| 441 |
R->szHint.win_gravity = NorthWestGravity; |
| 442 |
/* R->szHint.min_aspect.x = R->szHint.min_aspect.y = 1; */ |
| 443 |
|
| 444 |
recalc_x = recalc_y = 0; |
| 445 |
flags = 0; |
| 446 |
if (!R->parsed_geometry) { |
| 447 |
R->parsed_geometry = 1; |
| 448 |
if (R->rs[Rs_geometry]) |
| 449 |
flags = XParseGeometry(R->rs[Rs_geometry], &x, &y, &w, &h); |
| 450 |
if (flags & WidthValue) { |
| 451 |
R->TermWin.ncol = BOUND_POSITIVE_INT16(w); |
| 452 |
R->szHint.flags |= USSize; |
| 453 |
} |
| 454 |
if (flags & HeightValue) { |
| 455 |
R->TermWin.nrow = BOUND_POSITIVE_INT16(h); |
| 456 |
R->szHint.flags |= USSize; |
| 457 |
} |
| 458 |
if (flags & XValue) { |
| 459 |
R->szHint.x = x; |
| 460 |
R->szHint.flags |= USPosition; |
| 461 |
if (flags & XNegative) { |
| 462 |
recalc_x = 1; |
| 463 |
R->szHint.win_gravity = NorthEastGravity; |
| 464 |
} |
| 465 |
} |
| 466 |
if (flags & YValue) { |
| 467 |
R->szHint.y = y; |
| 468 |
R->szHint.flags |= USPosition; |
| 469 |
if (flags & YNegative) { |
| 470 |
recalc_y = 1; |
| 471 |
if (R->szHint.win_gravity == NorthEastGravity) |
| 472 |
R->szHint.win_gravity = SouthEastGravity; |
| 473 |
else |
| 474 |
R->szHint.win_gravity = SouthWestGravity; |
| 475 |
} |
| 476 |
} |
| 477 |
} |
| 478 |
/* TODO: BOUNDS */ |
| 479 |
R->TermWin.width = R->TermWin.ncol * R->TermWin.fwidth; |
| 480 |
R->TermWin.height = R->TermWin.nrow * R->TermWin.fheight; |
| 481 |
max_width = MAX_COLS * R->TermWin.fwidth; |
| 482 |
max_height = MAX_ROWS * R->TermWin.fheight; |
| 483 |
|
| 484 |
R->szHint.base_width = R->szHint.base_height = 2 * R->TermWin.int_bwidth; |
| 485 |
|
| 486 |
sb_w = mb_h = 0; |
| 487 |
R->window_vt_x = R->window_vt_y = 0; |
| 488 |
if (scrollbar_visible(R)) { |
| 489 |
sb_w = scrollbar_TotalWidth(); |
| 490 |
R->szHint.base_width += sb_w; |
| 491 |
if (!(R->Options & Opt_scrollBar_right)) |
| 492 |
R->window_vt_x = sb_w; |
| 493 |
} |
| 494 |
if (menubar_visible(R)) { |
| 495 |
mb_h = menuBar_TotalHeight(); |
| 496 |
R->szHint.base_height += mb_h; |
| 497 |
R->window_vt_y = mb_h; |
| 498 |
} |
| 499 |
R->szHint.width_inc = R->TermWin.fwidth; |
| 500 |
R->szHint.height_inc = R->TermWin.fheight; |
| 501 |
R->szHint.min_width = R->szHint.base_width + R->szHint.width_inc; |
| 502 |
R->szHint.min_height = R->szHint.base_height + R->szHint.height_inc; |
| 503 |
|
| 504 |
if (width && width - R->szHint.base_width < max_width) { |
| 505 |
R->szHint.width = width; |
| 506 |
R->TermWin.width = width - R->szHint.base_width; |
| 507 |
} else { |
| 508 |
MIN_IT(R->TermWin.width, max_width); |
| 509 |
R->szHint.width = R->szHint.base_width + R->TermWin.width; |
| 510 |
} |
| 511 |
if (height && height - R->szHint.base_height < max_height) { |
| 512 |
R->szHint.height = height; |
| 513 |
R->TermWin.height = height - R->szHint.base_height; |
| 514 |
} else { |
| 515 |
MIN_IT(R->TermWin.height, max_height); |
| 516 |
R->szHint.height = R->szHint.base_height + R->TermWin.height; |
| 517 |
} |
| 518 |
if (scrollbar_visible(R) && (R->Options & Opt_scrollBar_right)) |
| 519 |
R->window_sb_x = R->szHint.width - sb_w; |
| 520 |
|
| 521 |
if (recalc_x) |
| 522 |
R->szHint.x += (DisplayWidth(R->Xdisplay, Xscreen) |
| 523 |
- R->szHint.width - 2 * R->TermWin.ext_bwidth); |
| 524 |
if (recalc_y) |
| 525 |
R->szHint.y += (DisplayHeight(R->Xdisplay, Xscreen) |
| 526 |
- R->szHint.height - 2 * R->TermWin.ext_bwidth); |
| 527 |
|
| 528 |
R->TermWin.ncol = R->TermWin.width / R->TermWin.fwidth; |
| 529 |
R->TermWin.nrow = R->TermWin.height / R->TermWin.fheight; |
| 530 |
D_SIZE((stderr, "> Cols/Rows: %3d x %3d ; Width/Height: %4d x %4d", |
| 531 |
R->TermWin.ncol, R->TermWin.nrow, R->szHint.width, |
| 532 |
R->szHint.height)); |
| 533 |
return; |
| 534 |
} |
| 535 |
|
| 536 |
/*----------------------------------------------------------------------*/ |
| 537 |
/* |
| 538 |
* Tell the teletype handler what size the window is. |
| 539 |
* Called after a window size change. |
| 540 |
*/ |
| 541 |
/* EXTPROTO */ |
| 542 |
void |
| 543 |
rxvt_tt_winsize(int fd, unsigned short col, unsigned short row, int pid) |
| 544 |
{ |
| 545 |
struct winsize ws; |
| 546 |
|
| 547 |
if (fd < 0) |
| 548 |
return; |
| 549 |
ws.ws_col = col; |
| 550 |
ws.ws_row = row; |
| 551 |
ws.ws_xpixel = ws.ws_ypixel = 0; |
| 552 |
#ifndef DEBUG_SIZE |
| 553 |
(void)ioctl(fd, TIOCSWINSZ, &ws); |
| 554 |
#else |
| 555 |
if (ioctl(fd, TIOCSWINSZ, &ws) < 0) { |
| 556 |
D_SIZE((stderr, "Failed to send TIOCSWINSZ to fd %d", fd)); |
| 557 |
} |
| 558 |
# ifdef SIGWINCH |
| 559 |
else if (pid) /* force through to the command */ |
| 560 |
kill(pid, SIGWINCH); |
| 561 |
# endif |
| 562 |
#endif |
| 563 |
} |
| 564 |
|
| 565 |
/*----------------------------------------------------------------------*/ |
| 566 |
/* rxvt_change_font() - Switch to a new font */ |
| 567 |
/* |
| 568 |
* init = 1 - initialize |
| 569 |
* |
| 570 |
* fontname == FONT_UP - switch to bigger font |
| 571 |
* fontname == FONT_DN - switch to smaller font |
| 572 |
*/ |
| 573 |
/* EXTPROTO */ |
| 574 |
void |
| 575 |
rxvt_change_font(pR_ int init, const char *fontname) |
| 576 |
{ |
| 577 |
} |
| 578 |
|
| 579 |
/* INTPROTO */ |
| 580 |
void |
| 581 |
rxvt_font_up_down(pR_ int n, int direction) |
| 582 |
{ |
| 583 |
} |
| 584 |
|
| 585 |
/*----------------------------------------------------------------------*/ |
| 586 |
/*----------------------------------------------------------------------*/ |
| 587 |
/* xterm sequences - title, iconName, color (exptl) */ |
| 588 |
/* EXTPROTO */ |
| 589 |
void |
| 590 |
rxvt_set_title(pR_ const char *str) |
| 591 |
{ |
| 592 |
#ifndef SMART_WINDOW_TITLE |
| 593 |
XStoreName(R->Xdisplay, R->TermWin.parent[0], str); |
| 594 |
#else |
| 595 |
char *name; |
| 596 |
|
| 597 |
if (XFetchName(R->Xdisplay, R->TermWin.parent[0], &name) == 0) |
| 598 |
name = NULL; |
| 599 |
if (name == NULL || STRCMP(name, str)) |
| 600 |
XStoreName(R->Xdisplay, R->TermWin.parent[0], str); |
| 601 |
if (name) |
| 602 |
XFree(name); |
| 603 |
#endif |
| 604 |
} |
| 605 |
|
| 606 |
/* EXTPROTO */ |
| 607 |
void |
| 608 |
rxvt_set_iconName(pR_ const char *str) |
| 609 |
{ |
| 610 |
#ifndef SMART_WINDOW_TITLE |
| 611 |
XSetIconName(R->Xdisplay, R->TermWin.parent[0], str); |
| 612 |
#else |
| 613 |
char *name; |
| 614 |
|
| 615 |
if (XGetIconName(R->Xdisplay, R->TermWin.parent[0], &name)) |
| 616 |
name = NULL; |
| 617 |
if (name == NULL || STRCMP(name, str)) |
| 618 |
XSetIconName(R->Xdisplay, R->TermWin.parent[0], str); |
| 619 |
if (name) |
| 620 |
XFree(name); |
| 621 |
#endif |
| 622 |
} |
| 623 |
|
| 624 |
#ifdef XTERM_COLOR_CHANGE |
| 625 |
/* EXTPROTO */ |
| 626 |
void |
| 627 |
rxvt_set_window_color(pR_ int idx, const char *color) |
| 628 |
{ |
| 629 |
rxvt_color xcol; |
| 630 |
int i; |
| 631 |
|
| 632 |
if (color == NULL || *color == '\0') |
| 633 |
return; |
| 634 |
|
| 635 |
/* handle color aliases */ |
| 636 |
if (isdigit(*color)) { |
| 637 |
i = atoi(color); |
| 638 |
if (i >= 8 && i <= 15) { /* bright colors */ |
| 639 |
i -= 8; |
| 640 |
# ifndef NO_BRIGHTCOLOR |
| 641 |
R->PixColors[idx] = R->PixColors[minBrightCOLOR + i]; |
| 642 |
SET_PIXCOLOR(R, idx); |
| 643 |
goto Done; |
| 644 |
# endif |
| 645 |
} |
| 646 |
if (i >= 0 && i <= 7) { /* normal colors */ |
| 647 |
R->PixColors[idx] = R->PixColors[minCOLOR + i]; |
| 648 |
SET_PIXCOLOR(R, idx); |
| 649 |
goto Done; |
| 650 |
} |
| 651 |
} |
| 652 |
if (!rxvt_rXParseAllocColor(aR_ & xcol, color)) |
| 653 |
return; |
| 654 |
/* XStoreColor (R->Xdisplay, XCMAP, XColor*); */ |
| 655 |
|
| 656 |
/* |
| 657 |
* FIXME: should free colors here, but no idea how to do it so instead, |
| 658 |
* so just keep gobbling up the colormap |
| 659 |
*/ |
| 660 |
# if 0 |
| 661 |
for (i = Color_Black; i <= Color_White; i++) |
| 662 |
if (R->PixColors[idx] == R->PixColors[i]) |
| 663 |
break; |
| 664 |
if (i > Color_White) { |
| 665 |
/* fprintf (stderr, "XFreeColors: R->PixColors [%d] = %lu\n", idx, R->PixColors [idx]); */ |
| 666 |
XFreeColors(R->Xdisplay, XCMAP, (R->PixColors + idx), 1, |
| 667 |
DisplayPlanes(R->Xdisplay, Xscreen)); |
| 668 |
} |
| 669 |
# endif |
| 670 |
|
| 671 |
R->PixColors[idx] = xcol; |
| 672 |
SET_PIXCOLOR(R, idx); |
| 673 |
|
| 674 |
/* XSetWindowAttributes attr; */ |
| 675 |
/* Cursor cursor; */ |
| 676 |
Done: |
| 677 |
if (idx == Color_bg && !(R->Options & Opt_transparent)) |
| 678 |
XSetWindowBackground(R->Xdisplay, R->TermWin.vt, |
| 679 |
R->PixColors[Color_bg]); |
| 680 |
|
| 681 |
/* handle Color_BD, scrollbar background, etc. */ |
| 682 |
|
| 683 |
rxvt_set_colorfgbg(aR); |
| 684 |
rxvt_recolour_cursor(aR); |
| 685 |
/* the only reasonable way to enforce a clean update */ |
| 686 |
rxvt_scr_poweron(aR); |
| 687 |
} |
| 688 |
|
| 689 |
#else |
| 690 |
# define rxvt_set_window_color(aR_ idx,color) ((void)0) |
| 691 |
#endif /* XTERM_COLOR_CHANGE */ |
| 692 |
|
| 693 |
/* EXTPROTO */ |
| 694 |
void |
| 695 |
rxvt_recolour_cursor(pR) |
| 696 |
{ |
| 697 |
rxvt_color xcol[2]; |
| 698 |
|
| 699 |
#if TODO |
| 700 |
xcol[0] = R->PixColors[Color_pointer]; |
| 701 |
xcol[1] = R->PixColors[Color_bg]; |
| 702 |
XQueryColors(R->Xdisplay, XCMAP, xcol, 2); |
| 703 |
XRecolorCursor(R->Xdisplay, R->TermWin_cursor, &(xcol[0]), &(xcol[1])); |
| 704 |
#endif |
| 705 |
} |
| 706 |
|
| 707 |
/*----------------------------------------------------------------------*/ |
| 708 |
/* |
| 709 |
* find if fg/bg matches any of the normal (low-intensity) colors |
| 710 |
*/ |
| 711 |
/* INTPROTO */ |
| 712 |
void |
| 713 |
rxvt_set_colorfgbg(pR) |
| 714 |
{ |
| 715 |
unsigned int i; |
| 716 |
const char *xpmb = "\0"; |
| 717 |
char fstr[sizeof("default") + 1], bstr[sizeof("default") + 1]; |
| 718 |
|
| 719 |
R->env_colorfgbg = |
| 720 |
(char *)rxvt_malloc(sizeof("COLORFGBG=default;default;bg") + 1); |
| 721 |
STRCPY(fstr, "default"); |
| 722 |
STRCPY(bstr, "default"); |
| 723 |
for (i = Color_Black; i <= Color_White; i++) |
| 724 |
if (R->PixColors[Color_fg] == R->PixColors[i]) { |
| 725 |
sprintf(fstr, "%d", (i - Color_Black)); |
| 726 |
break; |
| 727 |
} |
| 728 |
for (i = Color_Black; i <= Color_White; i++) |
| 729 |
if (R->PixColors[Color_bg] == R->PixColors[i]) { |
| 730 |
sprintf(bstr, "%d", (i - Color_Black)); |
| 731 |
#ifdef XPM_BACKGROUND |
| 732 |
xpmb = "default;"; |
| 733 |
#endif |
| 734 |
break; |
| 735 |
} |
| 736 |
sprintf(R->env_colorfgbg, "COLORFGBG=%s;%s%s", fstr, xpmb, bstr); |
| 737 |
putenv(R->env_colorfgbg); |
| 738 |
|
| 739 |
#ifndef NO_BRIGHTCOLOR |
| 740 |
R->colorfgbg = DEFAULT_RSTYLE; |
| 741 |
for (i = minCOLOR; i <= maxCOLOR; i++) { |
| 742 |
if (R->PixColors[Color_fg] == R->PixColors[i]) |
| 743 |
R->colorfgbg = SET_FGCOLOR(R->colorfgbg, i); |
| 744 |
if (R->PixColors[Color_bg] == R->PixColors[i]) |
| 745 |
R->colorfgbg = SET_BGCOLOR(R->colorfgbg, i); |
| 746 |
} |
| 747 |
#endif |
| 748 |
} |
| 749 |
|
| 750 |
/*----------------------------------------------------------------------*/ |
| 751 |
/* |
| 752 |
* Colour determination for low colour displays, routine from |
| 753 |
* Hans de Goede <hans@highrise.nl> |
| 754 |
*/ |
| 755 |
|
| 756 |
/* EXTPROTO */ |
| 757 |
int |
| 758 |
rxvt_rXParseAllocColor(pR_ rxvt_color * screen_in_out, const char *colour) |
| 759 |
{ |
| 760 |
screen_in_out->set(aR_ colour); |
| 761 |
|
| 762 |
if (!screen_in_out->set(aR_ colour)) { |
| 763 |
rxvt_print_error("can't allocate colour: %s", colour); |
| 764 |
return false; |
| 765 |
} |
| 766 |
|
| 767 |
return true; |
| 768 |
} |
| 769 |
|
| 770 |
/* -------------------------------------------------------------------- * |
| 771 |
* - WINDOW RESIZING - * |
| 772 |
* -------------------------------------------------------------------- */ |
| 773 |
/* EXTPROTO */ |
| 774 |
void |
| 775 |
rxvt_resize_all_windows(pR_ unsigned int width, unsigned int height, |
| 776 |
int ignoreparent) |
| 777 |
{ |
| 778 |
int fix_screen; |
| 779 |
|
| 780 |
#ifdef SMART_RESIZE |
| 781 |
int old_width = R->szHint.width, old_height = R->szHint.height; |
| 782 |
#endif |
| 783 |
|
| 784 |
rxvt_window_calc(aR_ width, height); |
| 785 |
XSetWMNormalHints(R->Xdisplay, R->TermWin.parent[0], &R->szHint); |
| 786 |
if (!ignoreparent) { |
| 787 |
#ifdef SMART_RESIZE |
| 788 |
/* |
| 789 |
* resize by Marius Gedminas <marius.gedminas@uosis.mif.vu.lt> |
| 790 |
* reposition window on resize depending on placement on screen |
| 791 |
*/ |
| 792 |
int x, y, x1, y1; |
| 793 |
int dx, dy; |
| 794 |
unsigned int unused_w1, unused_h1, unused_b1, unused_d1; |
| 795 |
Window unused_cr; |
| 796 |
|
| 797 |
XTranslateCoordinates(R->Xdisplay, R->TermWin.parent[0], Xroot, |
| 798 |
0, 0, &x, &y, &unused_cr); |
| 799 |
XGetGeometry(R->Xdisplay, R->TermWin.parent[0], &unused_cr, &x1, &y1, |
| 800 |
&unused_w1, &unused_h1, &unused_b1, &unused_d1); |
| 801 |
/* |
| 802 |
* if Xroot isn't the parent window, a WM will probably have offset |
| 803 |
* our position for handles and decorations. Counter it |
| 804 |
*/ |
| 805 |
if (x1 != x || y1 != y) { |
| 806 |
x -= x1; |
| 807 |
y -= y1; |
| 808 |
} |
| 809 |
|
| 810 |
x1 = (DisplayWidth(R->Xdisplay, Xscreen) - old_width) / 2; |
| 811 |
y1 = (DisplayHeight(R->Xdisplay, Xscreen) - old_height) / 2; |
| 812 |
dx = old_width - R->szHint.width; |
| 813 |
dy = old_height - R->szHint.height; |
| 814 |
|
| 815 |
/* Check position of the center of the window */ |
| 816 |
if (x < x1) /* left half */ |
| 817 |
dx = 0; |
| 818 |
else if (x == x1) /* exact center */ |
| 819 |
dx /= 2; |
| 820 |
if (y < y1) /* top half */ |
| 821 |
dy = 0; |
| 822 |
else if (y == y1) /* exact center */ |
| 823 |
dy /= 2; |
| 824 |
|
| 825 |
XMoveResizeWindow(R->Xdisplay, R->TermWin.parent[0], x + dx, y + dy, |
| 826 |
R->szHint.width, R->szHint.height); |
| 827 |
#else |
| 828 |
XResizeWindow(R->Xdisplay, R->TermWin.parent[0], R->szHint.width, |
| 829 |
R->szHint.height); |
| 830 |
#endif |
| 831 |
} |
| 832 |
|
| 833 |
fix_screen = (R->TermWin.ncol != R->prev_ncol |
| 834 |
|| R->TermWin.nrow != R->prev_nrow); |
| 835 |
if (fix_screen || width != R->old_width || height != R->old_height) { |
| 836 |
if (scrollbar_visible(R)) { |
| 837 |
XMoveResizeWindow(R->Xdisplay, R->scrollBar.win, R->window_sb_x, |
| 838 |
0, scrollbar_TotalWidth(), R->szHint.height); |
| 839 |
rxvt_Resize_scrollBar(aR); |
| 840 |
} |
| 841 |
if (menubar_visible(R)) |
| 842 |
XMoveResizeWindow(R->Xdisplay, R->menuBar.win, R->window_vt_x, |
| 843 |
0, TermWin_TotalWidth(), menuBar_TotalHeight()); |
| 844 |
XMoveResizeWindow(R->Xdisplay, R->TermWin.vt, R->window_vt_x, |
| 845 |
R->window_vt_y, TermWin_TotalWidth(), |
| 846 |
TermWin_TotalHeight()); |
| 847 |
#ifdef RXVT_GRAPHICS |
| 848 |
if (R->old_height) |
| 849 |
rxvt_Gr_Resize(aR_ R->old_width - R->szHint.base_width, |
| 850 |
R->old_height - R->szHint.base_height); |
| 851 |
#endif |
| 852 |
rxvt_scr_clear(aR); |
| 853 |
#ifdef XPM_BACKGROUND |
| 854 |
rxvt_resize_pixmap(aR); |
| 855 |
#endif |
| 856 |
} |
| 857 |
|
| 858 |
if (fix_screen || R->old_height == 0) { |
| 859 |
int curr_screen = -1; |
| 860 |
uint16_t old_ncol = R->prev_ncol; |
| 861 |
|
| 862 |
/* scr_reset only works on the primary screen */ |
| 863 |
if (R->old_height) /* this is not the first time through */ |
| 864 |
curr_screen = rxvt_scr_change_screen(aR_ PRIMARY); |
| 865 |
rxvt_scr_reset(aR); |
| 866 |
if (curr_screen >= 0) { /* this is not the first time through */ |
| 867 |
rxvt_scr_change_screen(aR_ curr_screen); |
| 868 |
rxvt_selection_check(aR_(old_ncol != R->TermWin.ncol ? 4 : 0)); |
| 869 |
} |
| 870 |
} |
| 871 |
|
| 872 |
R->old_width = R->szHint.width; |
| 873 |
R->old_height = R->szHint.height; |
| 874 |
|
| 875 |
#ifdef USE_XIM |
| 876 |
rxvt_IMSetStatusPosition(aR); |
| 877 |
#endif |
| 878 |
} |
| 879 |
|
| 880 |
/* |
| 881 |
* Set the width/height of the vt window in characters. Units are pixels. |
| 882 |
* good for toggling 80/132 columns |
| 883 |
*/ |
| 884 |
/* EXTPROTO */ |
| 885 |
void |
| 886 |
rxvt_set_widthheight(pR_ unsigned int width, unsigned int height) |
| 887 |
{ |
| 888 |
XWindowAttributes wattr; |
| 889 |
|
| 890 |
if (width == 0 || height == 0) { |
| 891 |
XGetWindowAttributes(R->Xdisplay, Xroot, &wattr); |
| 892 |
if (width == 0) |
| 893 |
width = wattr.width - R->szHint.base_width; |
| 894 |
if (height == 0) |
| 895 |
height = wattr.height - R->szHint.base_height; |
| 896 |
} |
| 897 |
if (width != R->TermWin.width || height != R->TermWin.height) { |
| 898 |
width += R->szHint.base_width; |
| 899 |
height += R->szHint.base_height; |
| 900 |
rxvt_resize_all_windows(aR_ width, height, 0); |
| 901 |
} |
| 902 |
} |
| 903 |
|
| 904 |
/* -------------------------------------------------------------------- * |
| 905 |
* - X INPUT METHOD ROUTINES - * |
| 906 |
* -------------------------------------------------------------------- */ |
| 907 |
#ifdef USE_XIM |
| 908 |
/* INTPROTO */ |
| 909 |
void |
| 910 |
rxvt_setSize(pR_ XRectangle * size) |
| 911 |
{ |
| 912 |
size->x = R->TermWin.int_bwidth; |
| 913 |
size->y = R->TermWin.int_bwidth; |
| 914 |
size->width = Width2Pixel(R->TermWin.ncol); |
| 915 |
size->height = Height2Pixel(R->TermWin.nrow); |
| 916 |
} |
| 917 |
|
| 918 |
/* INTPROTO */ |
| 919 |
void |
| 920 |
rxvt_setColor(pR_ unsigned long *fg, unsigned long *bg) |
| 921 |
{ |
| 922 |
*fg = R->PixColors[Color_fg]; |
| 923 |
*bg = R->PixColors[Color_bg]; |
| 924 |
} |
| 925 |
|
| 926 |
/* Checking whether input method is running. */ |
| 927 |
/* INTPROTO */ |
| 928 |
Bool |
| 929 |
rxvt_IMisRunning(pR) |
| 930 |
{ |
| 931 |
char *p; |
| 932 |
Atom atom; |
| 933 |
Window win; |
| 934 |
char server[IMBUFSIZ]; |
| 935 |
|
| 936 |
/* get current locale modifier */ |
| 937 |
if ((p = XSetLocaleModifiers(NULL)) != NULL) { |
| 938 |
STRCPY(server, "@server="); |
| 939 |
STRNCAT(server, &(p[4]), IMBUFSIZ - 9); /* skip "@im=" */ |
| 940 |
if ((p = STRCHR(server + 1, '@')) != NULL) /* first one only */ |
| 941 |
*p = '\0'; |
| 942 |
|
| 943 |
atom = XInternAtom(R->Xdisplay, server, False); |
| 944 |
win = XGetSelectionOwner(R->Xdisplay, atom); |
| 945 |
if (win != None) |
| 946 |
return True; |
| 947 |
} |
| 948 |
return False; |
| 949 |
} |
| 950 |
|
| 951 |
/* EXTPROTO */ |
| 952 |
void |
| 953 |
rxvt_IMSendSpot(pR) |
| 954 |
{ |
| 955 |
XPoint spot; |
| 956 |
XVaNestedList preedit_attr; |
| 957 |
|
| 958 |
if (R->Input_Context == NULL |
| 959 |
|| !R->TermWin.focus || !(R->input_style & XIMPreeditPosition) |
| 960 |
|| !(R->event_type == KeyPress |
| 961 |
|| R->event_type == Expose |
| 962 |
|| R->event_type == NoExpose |
| 963 |
|| R->event_type == SelectionNotify |
| 964 |
|| R->event_type == ButtonRelease || R->event_type == FocusIn) |
| 965 |
|| !rxvt_IMisRunning(aR)) |
| 966 |
return; |
| 967 |
|
| 968 |
rxvt_setPosition(aR_ & spot); |
| 969 |
|
| 970 |
preedit_attr = XVaCreateNestedList(0, XNSpotLocation, &spot, NULL); |
| 971 |
XSetICValues(R->Input_Context, XNPreeditAttributes, preedit_attr, NULL); |
| 972 |
XFree(preedit_attr); |
| 973 |
} |
| 974 |
|
| 975 |
/* EXTPROTO */ |
| 976 |
void |
| 977 |
rxvt_setTermFontSet(pR_ int idx) |
| 978 |
{ |
| 979 |
char *string; |
| 980 |
long length; |
| 981 |
int success = 0; |
| 982 |
|
| 983 |
if (idx < 0 || idx >= MAX_NFONTS) |
| 984 |
return; |
| 985 |
} |
| 986 |
|
| 987 |
/* INTPROTO */ |
| 988 |
void |
| 989 |
rxvt_setPreeditArea(pR_ XRectangle * preedit_rect, XRectangle * status_rect, |
| 990 |
XRectangle * needed_rect) |
| 991 |
{ |
| 992 |
int mbh, vtx = 0; |
| 993 |
|
| 994 |
if (scrollbar_visible(R) && !(R->Options & Opt_scrollBar_right)) |
| 995 |
vtx = scrollbar_TotalWidth(); |
| 996 |
mbh = menubar_visible(R) ? menuBar_TotalHeight() : 0; |
| 997 |
mbh -= R->TermWin.lineSpace; |
| 998 |
|
| 999 |
preedit_rect->x = needed_rect->width + vtx; |
| 1000 |
preedit_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh; |
| 1001 |
|
| 1002 |
preedit_rect->width = Width2Pixel(R->TermWin.ncol + 1) - needed_rect->width |
| 1003 |
+ vtx; |
| 1004 |
preedit_rect->height = Height2Pixel(1); |
| 1005 |
|
| 1006 |
status_rect->x = vtx; |
| 1007 |
status_rect->y = Height2Pixel(R->TermWin.nrow - 1) + mbh; |
| 1008 |
|
| 1009 |
status_rect->width = needed_rect->width ? needed_rect->width |
| 1010 |
: Width2Pixel(R->TermWin.ncol + 1); |
| 1011 |
status_rect->height = Height2Pixel(1); |
| 1012 |
} |
| 1013 |
|
| 1014 |
/* ARGSUSED */ |
| 1015 |
/* INTPROTO */ |
| 1016 |
void |
| 1017 |
rxvt_IMDestroyCallback(XIM xim __attribute__ ((unused)), XPointer client_data |
| 1018 |
__attribute__ ((unused)), XPointer call_data |
| 1019 |
__attribute__ ((unused))) |
| 1020 |
{ |
| 1021 |
dR; |
| 1022 |
|
| 1023 |
R->Input_Context = NULL; |
| 1024 |
/* To avoid Segmentation Fault in C locale: Solaris only? */ |
| 1025 |
if (STRCMP(R->locale, "C")) |
| 1026 |
XRegisterIMInstantiateCallback(R->Xdisplay, NULL, NULL, NULL, |
| 1027 |
rxvt_IMInstantiateCallback, NULL); |
| 1028 |
} |
| 1029 |
|
| 1030 |
/* |
| 1031 |
* X manual pages and include files don't match on some systems: |
| 1032 |
* some think this is an XIDProc and others an XIMProc so we can't |
| 1033 |
* use the first argument - need to update this to be nice for |
| 1034 |
* both types via some sort of configure detection |
| 1035 |
*/ |
| 1036 |
/* ARGSUSED */ |
| 1037 |
/* EXTPROTO */ |
| 1038 |
void |
| 1039 |
rxvt_IMInstantiateCallback(Display * unused |
| 1040 |
__attribute__ ((unused)), XPointer client_data |
| 1041 |
__attribute__ ((unused)), XPointer call_data |
| 1042 |
__attribute__ ((unused))) |
| 1043 |
{ |
| 1044 |
dR; |
| 1045 |
int i, found, had_im; |
| 1046 |
const char *p; |
| 1047 |
char **s; |
| 1048 |
char buf[IMBUFSIZ]; |
| 1049 |
|
| 1050 |
D_MAIN((stderr, "rxvt_IMInstantiateCallback()")); |
| 1051 |
if (R->Input_Context) |
| 1052 |
return; |
| 1053 |
|
| 1054 |
found = had_im = 0; |
| 1055 |
p = R->rs[Rs_inputMethod]; |
| 1056 |
if (p && *p) { |
| 1057 |
had_im = 1; |
| 1058 |
s = rxvt_splitcommastring(p); |
| 1059 |
for (i = 0; s[i]; i++) { |
| 1060 |
if (*s[i]) { |
| 1061 |
STRCPY(buf, "@im="); |
| 1062 |
STRNCAT(buf, s[i], IMBUFSIZ - 5); |
| 1063 |
if ((p = XSetLocaleModifiers(buf)) != NULL && *p |
| 1064 |
&& (rxvt_IM_get_IC(aR) == True)) { |
| 1065 |
found = 1; |
| 1066 |
break; |
| 1067 |
} |
| 1068 |
} |
| 1069 |
} |
| 1070 |
for (i = 0; s[i]; i++) |
| 1071 |
free(s[i]); |
| 1072 |
free(s); |
| 1073 |
} |
| 1074 |
if (found) |
| 1075 |
return; |
| 1076 |
|
| 1077 |
/* try with XMODIFIERS env. var. */ |
| 1078 |
if ((p = XSetLocaleModifiers("")) != NULL && *p) { |
| 1079 |
rxvt_IM_get_IC(aR); |
| 1080 |
return; |
| 1081 |
} |
| 1082 |
|
| 1083 |
/* try with no modifiers base IF the user didn't specify an IM */ |
| 1084 |
if (!had_im && (p = XSetLocaleModifiers("@im=none")) != NULL && *p |
| 1085 |
&& rxvt_IM_get_IC(aR) == True) |
| 1086 |
return; |
| 1087 |
} |
| 1088 |
|
| 1089 |
/* |
| 1090 |
* Try to open a XIM with the current modifiers, then see if we can |
| 1091 |
* open a suitable preedit type |
| 1092 |
*/ |
| 1093 |
/* INTPROTO */ |
| 1094 |
Bool |
| 1095 |
rxvt_IM_get_IC(pR) |
| 1096 |
{ |
| 1097 |
int i, j, found; |
| 1098 |
XIM xim; |
| 1099 |
XPoint spot; |
| 1100 |
XRectangle rect, status_rect, needed_rect; |
| 1101 |
unsigned long fg, bg; |
| 1102 |
const char *p; |
| 1103 |
char **s; |
| 1104 |
XIMStyles *xim_styles; |
| 1105 |
XVaNestedList preedit_attr, status_attr; |
| 1106 |
XIMCallback ximcallback; |
| 1107 |
|
| 1108 |
D_MAIN((stderr, "rxvt_IM_get_IC()")); |
| 1109 |
xim = XOpenIM(R->Xdisplay, NULL, NULL, NULL); |
| 1110 |
if (xim == NULL) |
| 1111 |
return False; |
| 1112 |
|
| 1113 |
xim_styles = NULL; |
| 1114 |
if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) |
| 1115 |
|| !xim_styles || !xim_styles->count_styles) { |
| 1116 |
XCloseIM(xim); |
| 1117 |
return False; |
| 1118 |
} |
| 1119 |
|
| 1120 |
p = R->rs[Rs_preeditType] ? R->rs[Rs_preeditType] |
| 1121 |
: "OverTheSpot,OffTheSpot,Root"; |
| 1122 |
s = rxvt_splitcommastring(p); |
| 1123 |
for (i = found = 0; !found && s[i]; i++) { |
| 1124 |
if (!STRCMP(s[i], "OverTheSpot")) |
| 1125 |
R->input_style = (XIMPreeditPosition | XIMStatusNothing); |
| 1126 |
else if (!STRCMP(s[i], "OffTheSpot")) |
| 1127 |
R->input_style = (XIMPreeditArea | XIMStatusArea); |
| 1128 |
else if (!STRCMP(s[i], "Root")) |
| 1129 |
R->input_style = (XIMPreeditNothing | XIMStatusNothing); |
| 1130 |
|
| 1131 |
for (j = 0; j < xim_styles->count_styles; j++) |
| 1132 |
if (R->input_style == xim_styles->supported_styles[j]) { |
| 1133 |
found = 1; |
| 1134 |
break; |
| 1135 |
} |
| 1136 |
} |
| 1137 |
for (i = 0; s[i]; i++) |
| 1138 |
free(s[i]); |
| 1139 |
free(s); |
| 1140 |
XFree(xim_styles); |
| 1141 |
|
| 1142 |
if (!found) { |
| 1143 |
XCloseIM(xim); |
| 1144 |
return False; |
| 1145 |
} |
| 1146 |
|
| 1147 |
ximcallback.callback = rxvt_IMDestroyCallback; |
| 1148 |
|
| 1149 |
/* XXX: not sure why we need this (as well as IC one below) */ |
| 1150 |
XSetIMValues(xim, XNDestroyCallback, &ximcallback, NULL); |
| 1151 |
|
| 1152 |
preedit_attr = status_attr = NULL; |
| 1153 |
|
| 1154 |
if (R->input_style & XIMPreeditPosition) { |
| 1155 |
rxvt_setSize(aR_ & rect); |
| 1156 |
rxvt_setPosition(aR_ & spot); |
| 1157 |
rxvt_setColor(aR_ & fg, &bg); |
| 1158 |
|
| 1159 |
preedit_attr = XVaCreateNestedList(0, XNArea, &rect, |
| 1160 |
XNSpotLocation, &spot, |
| 1161 |
XNForeground, fg, XNBackground, bg, |
| 1162 |
//XNFontSet, R->TermWin.fontset, |
| 1163 |
NULL); |
| 1164 |
} else if (R->input_style & XIMPreeditArea) { |
| 1165 |
rxvt_setColor(aR_ & fg, &bg); |
| 1166 |
|
| 1167 |
/* |
| 1168 |
* The necessary width of preedit area is unknown |
| 1169 |
* until create input context. |
| 1170 |
*/ |
| 1171 |
needed_rect.width = 0; |
| 1172 |
|
| 1173 |
rxvt_setPreeditArea(aR_ & rect, &status_rect, &needed_rect); |
| 1174 |
|
| 1175 |
preedit_attr = XVaCreateNestedList(0, XNArea, &rect, |
| 1176 |
XNForeground, fg, XNBackground, bg, |
| 1177 |
//XNFontSet, R->TermWin.fontset, |
| 1178 |
NULL); |
| 1179 |
status_attr = XVaCreateNestedList(0, XNArea, &status_rect, |
| 1180 |
XNForeground, fg, XNBackground, bg, |
| 1181 |
//XNFontSet, R->TermWin.fontset, |
| 1182 |
NULL); |
| 1183 |
} |
| 1184 |
R->Input_Context = XCreateIC(xim, XNInputStyle, R->input_style, |
| 1185 |
XNClientWindow, R->TermWin.parent[0], |
| 1186 |
XNFocusWindow, R->TermWin.parent[0], |
| 1187 |
XNDestroyCallback, &ximcallback, |
| 1188 |
preedit_attr ? XNPreeditAttributes : NULL, |
| 1189 |
preedit_attr, |
| 1190 |
status_attr ? XNStatusAttributes : NULL, |
| 1191 |
status_attr, NULL); |
| 1192 |
if (preedit_attr) |
| 1193 |
XFree(preedit_attr); |
| 1194 |
if (status_attr) |
| 1195 |
XFree(status_attr); |
| 1196 |
if (R->Input_Context == NULL) { |
| 1197 |
rxvt_print_error("failed to create input context"); |
| 1198 |
XCloseIM(xim); |
| 1199 |
return False; |
| 1200 |
} |
| 1201 |
if (R->input_style & XIMPreeditArea) |
| 1202 |
rxvt_IMSetStatusPosition(aR); |
| 1203 |
D_MAIN((stderr, "rxvt_IM_get_IC() - successful connection")); |
| 1204 |
return True; |
| 1205 |
} |
| 1206 |
|
| 1207 |
/* EXTPROTO */ |
| 1208 |
void |
| 1209 |
rxvt_IMSetStatusPosition(pR) |
| 1210 |
{ |
| 1211 |
XRectangle preedit_rect, status_rect, *needed_rect; |
| 1212 |
XVaNestedList preedit_attr, status_attr; |
| 1213 |
|
| 1214 |
if (R->Input_Context == NULL |
| 1215 |
|| !R->TermWin.focus || !(R->input_style & XIMPreeditArea) |
| 1216 |
|| !rxvt_IMisRunning(aR)) |
| 1217 |
return; |
| 1218 |
|
| 1219 |
/* Getting the necessary width of preedit area */ |
| 1220 |
status_attr = XVaCreateNestedList(0, XNAreaNeeded, &needed_rect, NULL); |
| 1221 |
XGetICValues(R->Input_Context, XNStatusAttributes, status_attr, NULL); |
| 1222 |
XFree(status_attr); |
| 1223 |
|
| 1224 |
rxvt_setPreeditArea(aR_ & preedit_rect, &status_rect, needed_rect); |
| 1225 |
|
| 1226 |
preedit_attr = XVaCreateNestedList(0, XNArea, &preedit_rect, NULL); |
| 1227 |
status_attr = XVaCreateNestedList(0, XNArea, &status_rect, NULL); |
| 1228 |
|
| 1229 |
XSetICValues(R->Input_Context, |
| 1230 |
XNPreeditAttributes, preedit_attr, |
| 1231 |
XNStatusAttributes, status_attr, NULL); |
| 1232 |
|
| 1233 |
XFree(preedit_attr); |
| 1234 |
XFree(status_attr); |
| 1235 |
} |
| 1236 |
#endif /* USE_XIM */ |
| 1237 |
|
| 1238 |
/*----------------------------------------------------------------------*/ |
| 1239 |
rxvt_t rxvt_current_term; |
| 1240 |
|
| 1241 |
/*----------------------- end-of-file (C source) -----------------------*/ |
