src/remote.c

   1 /*
   2  * Copyright (C) 2004 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "remote.h"
  24
  25 #include "cache_maint.h"
  26 #include "collect.h"
  27 #include "collect-io.h"
  28 #include "exif.h"
  29 #include "filedata.h"
  30 #include "filefilter.h"
  31 #include "image.h"
  32 #include "img-view.h"
  33 #include "layout.h"
  34 #include "layout_image.h"
  35 #include "layout_util.h"
  36 #include "misc.h"
  37 #include "pixbuf-renderer.h"
  38 #include "slideshow.h"
  39 #include "ui_fileops.h"
  40 #include "rcfile.h"
  41
  42 #include <sys/socket.h>
  43 #include <sys/un.h>
  44 #include <signal.h>
  45 #include <errno.h>
  46
  47 #include "glua.h"
  48
  49 #define SERVER_MAX_CLIENTS 8
  50
  51 #define REMOTE_SERVER_BACKLOG 4
  52
  53
  54 #ifndef UNIX_PATH_MAX
  55 #define UNIX_PATH_MAX 108
  56 #endif
  57
  58
  59 static RemoteConnection *remote_client_open(const gchar *path);
  60 static gint remote_client_send(RemoteConnection *rc, const gchar *text);
  61 static void gr_raise(const gchar *text, GIOChannel *channel, gpointer data);
  62
  63 static LayoutWindow *lw_id = NULL; /* points to the window set by the --id option */
  64
  65 typedef struct _RemoteClient RemoteClient;
  66 struct _RemoteClient {
  67         gint fd;
  68         guint channel_id; /* event source id */
  69         RemoteConnection *rc;
  70 };
  71
  72 typedef struct _RemoteData RemoteData;
  73 struct _RemoteData {
  74         CollectionData *command_collection;
  75 };
  76
  77 /* To enable file names containing newlines to be processed correctly,
  78  * the --print0 remote option sets returned data to be terminated with a null
  79  * character rather a newline
  80  */
  81 static gboolean print0 = FALSE;
  82
  83 /* Remote commands from main.c are prepended with the current dir the remote
  84  * command was made from. Some remote commands require this. The
  85  * value is stored here
  86  */
  87 static gchar *pwd = NULL;
  88
  89 /**
  90  * @brief Ensures file path is absolute.
  91  * @param[in] filename Filepath, absolute or relative to calling directory
  92  * @returns absolute path
  93  *
  94  * If first character of input filepath is not the directory
  95  * separator, assume it as a relative path and prepend
  96  * the directory the remote command was initiated from
  97  *
  98  * Return value must be freed with g_free()
  99  */
 100 static gchar *set_pwd(gchar *filename)
 101 {
 102         gchar *temp;
 103
 104         if (strncmp(filename, G_DIR_SEPARATOR_S, 1) != 0)
 105                 {
 106                 temp = g_build_filename(pwd, filename, NULL);
 107                 }
 108         else
 109                 {
 110                 temp = g_strdup(filename);
 111                 }
 112
 113         return temp;
 114 }
 115
 116 static gboolean remote_server_client_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 117 {
 118         RemoteClient *client = data;
 119         RemoteConnection *rc;
 120         GIOStatus status = G_IO_STATUS_NORMAL;
 121
 122         lw_id = NULL;
 123         rc = client->rc;
 124
 125         if (condition & G_IO_IN)
 126                 {
 127                 gchar *buffer = NULL;
 128                 GError *error = NULL;
 129                 gsize termpos;
 130                 /* FIXME: it should be possible to terminate the command with a null character */
 131                 g_io_channel_set_line_term(source, "<gq_end_of_command>", -1);
 132                 while ((status = g_io_channel_read_line(source, &buffer, NULL, &termpos, &error)) == G_IO_STATUS_NORMAL)
 133                         {
 134                         if (buffer)
 135                                 {
 136                                 buffer[termpos] = '\0';
 137
 138                                 if (strlen(buffer) > 0)
 139                                         {
 140                                         if (rc->read_func) rc->read_func(rc, buffer, source, rc->read_data);
 141                                         g_io_channel_write_chars(source, "<gq_end_of_command>", -1, NULL, NULL); /* empty line finishes the command */
 142                                         g_io_channel_flush(source, NULL);
 143                                         }
 144                                 g_free(buffer);
 145
 146                                 buffer = NULL;
 147                                 }
 148                         }
 149
 150                 if (error)
 151                         {
 152                         log_printf("error reading socket: %s\n", error->message);
 153                         g_error_free(error);
 154                         }
 155                 }
 156
 157         if (condition & G_IO_HUP || status == G_IO_STATUS_EOF || status == G_IO_STATUS_ERROR)
 158                 {
 159                 rc->clients = g_list_remove(rc->clients, client);
 160
 161                 DEBUG_1("HUP detected, closing client.");
 162                 DEBUG_1("client count %d", g_list_length(rc->clients));
 163
 164                 g_source_remove(client->channel_id);
 165                 close(client->fd);
 166                 g_free(client);
 167                 }
 168
 169         return TRUE;
 170 }
 171
 172 static void remote_server_client_add(RemoteConnection *rc, gint fd)
 173 {
 174         RemoteClient *client;
 175         GIOChannel *channel;
 176
 177         if (g_list_length(rc->clients) > SERVER_MAX_CLIENTS)
 178                 {
 179                 log_printf("maximum remote clients of %d exceeded, closing connection\n", SERVER_MAX_CLIENTS);
 180                 close(fd);
 181                 return;
 182                 }
 183
 184         client = g_new0(RemoteClient, 1);
 185         client->rc = rc;
 186         client->fd = fd;
 187
 188         channel = g_io_channel_unix_new(fd);
 189         client->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN | G_IO_HUP,
 190                                                  remote_server_client_cb, client, NULL);
 191         g_io_channel_unref(channel);
 192
 193         rc->clients = g_list_append(rc->clients, client);
 194         DEBUG_1("client count %d", g_list_length(rc->clients));
 195 }
 196
 197 static void remote_server_clients_close(RemoteConnection *rc)
 198 {
 199         while (rc->clients)
 200                 {
 201                 RemoteClient *client = rc->clients->data;
 202
 203                 rc->clients = g_list_remove(rc->clients, client);
 204
 205                 g_source_remove(client->channel_id);
 206                 close(client->fd);
 207                 g_free(client);
 208                 }
 209 }
 210
 211 static gboolean remote_server_read_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 212 {
 213         RemoteConnection *rc = data;
 214         gint fd;
 215         guint alen;
 216
 217         fd = accept(rc->fd, NULL, &alen);
 218         if (fd == -1)
 219                 {
 220                 log_printf("error accepting socket: %s\n", strerror(errno));
 221                 return TRUE;
 222                 }
 223
 224         remote_server_client_add(rc, fd);
 225
 226         return TRUE;
 227 }
 228
 229 gboolean remote_server_exists(const gchar *path)
 230 {
 231         RemoteConnection *rc;
 232
 233         /* verify server up */
 234         rc = remote_client_open(path);
 235         remote_close(rc);
 236
 237         if (rc) return TRUE;
 238
 239         /* unable to connect, remove socket file to free up address */
 240         unlink(path);
 241         return FALSE;
 242 }
 243
 244 static RemoteConnection *remote_server_open(const gchar *path)
 245 {
 246         RemoteConnection *rc;
 247         struct sockaddr_un addr;
 248         gint sun_path_len;
 249         gint fd;
 250         GIOChannel *channel;
 251
 252         if (remote_server_exists(path))
 253                 {
 254                 log_printf("Address already in use: %s\n", path);
 255                 return NULL;
 256                 }
 257
 258         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 259         if (fd == -1) return NULL;
 260
 261         addr.sun_family = AF_UNIX;
 262         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 263         strncpy(addr.sun_path, path, sun_path_len);
 264         if (bind(fd, &addr, sizeof(addr)) == -1 ||
 265             listen(fd, REMOTE_SERVER_BACKLOG) == -1)
 266                 {
 267                 log_printf("error subscribing to socket: %s\n", strerror(errno));
 268                 close(fd);
 269                 return NULL;
 270                 }
 271
 272         rc = g_new0(RemoteConnection, 1);
 273
 274         rc->server = TRUE;
 275         rc->fd = fd;
 276         rc->path = g_strdup(path);
 277
 278         channel = g_io_channel_unix_new(rc->fd);
 279         g_io_channel_set_flags(channel, G_IO_FLAG_NONBLOCK, NULL);
 280
 281         rc->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN,
 282                                              remote_server_read_cb, rc, NULL);
 283         g_io_channel_unref(channel);
 284
 285         return rc;
 286 }
 287
 288 static void remote_server_subscribe(RemoteConnection *rc, RemoteReadFunc *func, gpointer data)
 289 {
 290         if (!rc || !rc->server) return;
 291
 292         rc->read_func = func;
 293         rc->read_data = data;
 294 }
 295
 296
 297 static RemoteConnection *remote_client_open(const gchar *path)
 298 {
 299         RemoteConnection *rc;
 300         struct stat st;
 301         struct sockaddr_un addr;
 302         gint sun_path_len;
 303         gint fd;
 304
 305         if (stat(path, &st) != 0 || !S_ISSOCK(st.st_mode)) return NULL;
 306
 307         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 308         if (fd == -1) return NULL;
 309
 310         addr.sun_family = AF_UNIX;
 311         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 312         strncpy(addr.sun_path, path, sun_path_len);
 313         if (connect(fd, &addr, sizeof(addr)) == -1)
 314                 {
 315                 DEBUG_1("error connecting to socket: %s", strerror(errno));
 316                 close(fd);
 317                 return NULL;
 318                 }
 319
 320         rc = g_new0(RemoteConnection, 1);
 321         rc->server = FALSE;
 322         rc->fd = fd;
 323         rc->path = g_strdup(path);
 324
 325         return rc;
 326 }
 327
 328 static sig_atomic_t sigpipe_occurred = FALSE;
 329
 330 static void sighandler_sigpipe(gint sig)
 331 {
 332         sigpipe_occurred = TRUE;
 333 }
 334
 335 static gboolean remote_client_send(RemoteConnection *rc, const gchar *text)
 336 {
 337         struct sigaction new_action, old_action;
 338         gboolean ret = FALSE;
 339         GError *error = NULL;
 340         GIOChannel *channel;
 341
 342         if (!rc || rc->server) return FALSE;
 343         if (!text) return TRUE;
 344
 345         sigpipe_occurred = FALSE;
 346
 347         new_action.sa_handler = sighandler_sigpipe;
 348         sigemptyset(&new_action.sa_mask);
 349         new_action.sa_flags = 0;
 350
 351         /* setup our signal handler */
 352         sigaction(SIGPIPE, &new_action, &old_action);
 353
 354         channel = g_io_channel_unix_new(rc->fd);
 355
 356         g_io_channel_write_chars(channel, text, -1, NULL, &error);
 357         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, &error);
 358         g_io_channel_flush(channel, &error);
 359
 360         if (error)
 361                 {
 362                 log_printf("error reading socket: %s\n", error->message);
 363                 g_error_free(error);
 364                 ret = FALSE;;
 365                 }
 366         else
 367                 {
 368                 ret = TRUE;
 369                 }
 370
 371         if (ret)
 372                 {
 373                 gchar *buffer = NULL;
 374                 gsize termpos;
 375                 g_io_channel_set_line_term(channel, "<gq_end_of_command>", -1);
 376                 while (g_io_channel_read_line(channel, &buffer, NULL, &termpos, &error) == G_IO_STATUS_NORMAL)
 377                         {
 378                         if (buffer)
 379                                 {
 380                                 if (g_strstr_len(buffer, -1, "<gq_end_of_command>") == buffer) /* empty line finishes the command */
 381                                         {
 382                                         g_free(buffer);
 383                                         fflush(stdout);
 384                                         break;
 385                                         }
 386                                 buffer[termpos] = '\0';
 387                                 if (g_strstr_len(buffer, -1, "print0") != 0)
 388                                         {
 389                                         print0 = TRUE;
 390                                         }
 391                                 else
 392                                         {
 393                                         if (print0)
 394                                                 {
 395                                                 printf("%s%c", buffer, 0);
 396                                                 }
 397                                         else
 398                                                 {
 399                                                 printf("%s\n", buffer);
 400                                                 }
 401                                         }
 402                                 g_free(buffer);
 403                                 buffer = NULL;
 404                                 }
 405                         }
 406
 407                 if (error)
 408                         {
 409                         log_printf("error reading socket: %s\n", error->message);
 410                         g_error_free(error);
 411                         ret = FALSE;
 412                         }
 413                 }
 414
 415
 416         /* restore the original signal handler */
 417         sigaction(SIGPIPE, &old_action, NULL);
 418         g_io_channel_unref(channel);
 419         return ret;
 420 }
 421
 422 void remote_close(RemoteConnection *rc)
 423 {
 424         if (!rc) return;
 425
 426         if (rc->server)
 427                 {
 428                 remote_server_clients_close(rc);
 429
 430                 g_source_remove(rc->channel_id);
 431                 unlink(rc->path);
 432                 }
 433
 434         if (rc->read_data)
 435                 g_free(rc->read_data);
 436
 437         close(rc->fd);
 438
 439         g_free(rc->path);
 440         g_free(rc);
 441 }
 442
 443 /*
 444  *-----------------------------------------------------------------------------
 445  * remote functions
 446  *-----------------------------------------------------------------------------
 447  */
 448
 449 static void gr_image_next(const gchar *text, GIOChannel *channel, gpointer data)
 450 {
 451         layout_image_next(lw_id);
 452 }
 453
 454 static void gr_new_window(const gchar *text, GIOChannel *channel, gpointer data)
 455 {
 456         LayoutWindow *lw = NULL;
 457
 458         if (!layout_valid(&lw)) return;
 459
 460         lw_id = layout_menu_new_window(NULL, lw);
 461 }
 462
 463 static gboolean gr_close_window_cb()
 464 {
 465         if (!layout_valid(&lw_id)) return FALSE;
 466
 467         layout_menu_close_cb(NULL, lw_id);
 468
 469         return FALSE;
 470 }
 471
 472 static void gr_close_window(const gchar *text, GIOChannel *channel, gpointer data)
 473 {
 474         g_idle_add(gr_close_window_cb, NULL);
 475 }
 476
 477 static void gr_image_prev(const gchar *text, GIOChannel *channel, gpointer data)
 478 {
 479         layout_image_prev(lw_id);
 480 }
 481
 482 static void gr_image_first(const gchar *text, GIOChannel *channel, gpointer data)
 483 {
 484         layout_image_first(lw_id);
 485 }
 486
 487 static void gr_image_last(const gchar *text, GIOChannel *channel, gpointer data)
 488 {
 489         layout_image_last(lw_id);
 490 }
 491
 492 static void gr_fullscreen_toggle(const gchar *text, GIOChannel *channel, gpointer data)
 493 {
 494         layout_image_full_screen_toggle(lw_id);
 495 }
 496
 497 static void gr_fullscreen_start(const gchar *text, GIOChannel *channel, gpointer data)
 498 {
 499         layout_image_full_screen_start(lw_id);
 500 }
 501
 502 static void gr_fullscreen_stop(const gchar *text, GIOChannel *channel, gpointer data)
 503 {
 504         layout_image_full_screen_stop(lw_id);
 505 }
 506
 507 static void gr_lw_id(const gchar *text, GIOChannel *channel, gpointer data)
 508 {
 509         lw_id = layout_find_by_layout_id(text);
 510         if (!lw_id)
 511                 {
 512                 log_printf("remote sent window ID that does not exist:\"%s\"\n",text);
 513                 }
 514         layout_valid(&lw_id);
 515 }
 516
 517 static void gr_slideshow_start_rec(const gchar *text, GIOChannel *channel, gpointer data)
 518 {
 519         GList *list;
 520         FileData *dir_fd = file_data_new_dir(text);
 521
 522         layout_valid(&lw_id);
 523         list = filelist_recursive_full(dir_fd, lw_id->sort_method, lw_id->sort_ascend);
 524         file_data_unref(dir_fd);
 525         if (!list) return;
 526 //printf("length: %d\n", g_list_length(list));
 527         layout_image_slideshow_stop(lw_id);
 528         layout_image_slideshow_start_from_list(lw_id, list);
 529 }
 530
 531 static void gr_cache_thumb(const gchar *text, GIOChannel *channel, gpointer data)
 532 {
 533         if (!g_strcmp0(text, "clear"))
 534                 cache_maintain_home_remote(FALSE, TRUE);
 535         else if (!g_strcmp0(text, "clean"))
 536                 cache_maintain_home_remote(FALSE, FALSE);
 537 }
 538
 539 static void gr_cache_shared(const gchar *text, GIOChannel *channel, gpointer data)
 540 {
 541         if (!g_strcmp0(text, "clear"))
 542                 cache_manager_standard_process_remote(TRUE);
 543         else if (!g_strcmp0(text, "clean"))
 544                 cache_manager_standard_process_remote(FALSE);
 545 }
 546
 547 static void gr_cache_metadata(const gchar *text, GIOChannel *channel, gpointer data)
 548 {
 549         cache_maintain_home_remote(TRUE, FALSE);
 550 }
 551
 552 static void gr_cache_render(const gchar *text, GIOChannel *channel, gpointer data)
 553 {
 554         cache_manager_render_remote(text, FALSE, FALSE);
 555 }
 556
 557 static void gr_cache_render_recurse(const gchar *text, GIOChannel *channel, gpointer data)
 558 {
 559         cache_manager_render_remote(text, TRUE, FALSE);
 560 }
 561
 562 static void gr_cache_render_standard(const gchar *text, GIOChannel *channel, gpointer data)
 563 {
 564         if(options->thumbnails.spec_standard)
 565                 cache_manager_render_remote(text, FALSE, TRUE);
 566 }
 567
 568 static void gr_cache_render_standard_recurse(const gchar *text, GIOChannel *channel, gpointer data)
 569 {
 570         if(options->thumbnails.spec_standard)
 571                 cache_manager_render_remote(text, TRUE, TRUE);
 572 }
 573
 574 static void gr_slideshow_toggle(const gchar *text, GIOChannel *channel, gpointer data)
 575 {
 576         layout_image_slideshow_toggle(lw_id);
 577 }
 578
 579 static void gr_slideshow_start(const gchar *text, GIOChannel *channel, gpointer data)
 580 {
 581         layout_image_slideshow_start(lw_id);
 582 }
 583
 584 static void gr_slideshow_stop(const gchar *text, GIOChannel *channel, gpointer data)
 585 {
 586         layout_image_slideshow_stop(lw_id);
 587 }
 588
 589 static void gr_slideshow_delay(const gchar *text, GIOChannel *channel, gpointer data)
 590 {
 591         gdouble t1, t2, t3, n;
 592         gint res;
 593
 594         res = sscanf(text, "%lf:%lf:%lf", &t1, &t2, &t3);
 595         if (res == 3)
 596                 {
 597                 n = (t1 * 3600) + (t2 * 60) + t3;
 598                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS ||
 599                                 t1 >= 24 || t2 >= 60 || t3 >= 60)
 600                         {
 601                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 602                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 603                         return;
 604                         }
 605                 }
 606         else if (res == 2)
 607                 {
 608                 n = t1 * 60 + t2;
 609                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS ||
 610                                 t1 >= 60 || t2 >= 60)
 611                         {
 612                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 613                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 614                         return;
 615                         }
 616                 }
 617         else if (res == 1)
 618                 {
 619                 n = t1;
 620                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS)
 621                         {
 622                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 623                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 624                         return;
 625                         }
 626                 }
 627         else
 628                 {
 629                 n = 0;
 630                 }
 631
 632         options->slideshow.delay = (gint)(n * 10.0 + 0.01);
 633 }
 634
 635 static void gr_tools_show(const gchar *text, GIOChannel *channel, gpointer data)
 636 {
 637         gboolean popped;
 638         gboolean hidden;
 639
 640         if (layout_tools_float_get(lw_id, &popped, &hidden) && hidden)
 641                 {
 642                 layout_tools_float_set(lw_id, popped, FALSE);
 643                 }
 644 }
 645
 646 static void gr_tools_hide(const gchar *text, GIOChannel *channel, gpointer data)
 647 {
 648         gboolean popped;
 649         gboolean hidden;
 650
 651         if (layout_tools_float_get(lw_id, &popped, &hidden) && !hidden)
 652                 {
 653                 layout_tools_float_set(lw_id, popped, TRUE);
 654                 }
 655 }
 656
 657 static gboolean gr_quit_idle_cb(gpointer data)
 658 {
 659         exit_program();
 660
 661         return FALSE;
 662 }
 663
 664 static void gr_quit(const gchar *text, GIOChannel *channel, gpointer data)
 665 {
 666         /* schedule exit when idle, if done from within a
 667          * remote handler remote_close will crash
 668          */
 669         g_idle_add(gr_quit_idle_cb, NULL);
 670 }
 671
 672 static void gr_file_load_no_raise(const gchar *text, GIOChannel *channel, gpointer data)
 673 {
 674         gchar *filename;
 675         gchar *tilde_filename;
 676
 677         if (!download_web_file(text, TRUE, NULL))
 678                 {
 679                 tilde_filename = expand_tilde(text);
 680                 filename = set_pwd(tilde_filename);
 681
 682                 if (isfile(filename))
 683                         {
 684                         if (file_extension_match(filename, GQ_COLLECTION_EXT))
 685                                 {
 686                                 collection_window_new(filename);
 687                                 }
 688                         else
 689                                 {
 690                                 layout_set_path(lw_id, filename);
 691                                 }
 692                         }
 693                 else if (isdir(filename))
 694                         {
 695                         layout_set_path(lw_id, filename);
 696                         }
 697                 else
 698                         {
 699                         log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
 700                         layout_set_path(lw_id, homedir());
 701                         }
 702
 703                 g_free(filename);
 704                 g_free(tilde_filename);
 705                 }
 706 }
 707
 708 static void gr_file_load(const gchar *text, GIOChannel *channel, gpointer data)
 709 {
 710         gr_file_load_no_raise(text, channel, data);
 711
 712         gr_raise(text, channel, data);
 713 }
 714
 715 static void gr_pixel_info(const gchar *text, GIOChannel *channel, gpointer data)
 716 {
 717         gchar *pixel_info;
 718         gint x_pixel, y_pixel;
 719         gint width, height;
 720         gint r_mouse, g_mouse, b_mouse;
 721         PixbufRenderer *pr;
 722         LayoutWindow *lw = NULL;
 723
 724         if (!layout_valid(&lw_id)) return;
 725
 726         pr = (PixbufRenderer*)lw_id->image->pr;
 727
 728         if (pr)
 729                 {
 730                 pixbuf_renderer_get_image_size(pr, &width, &height);
 731                 if (width < 1 || height < 1) return;
 732
 733                 pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
 734
 735                 if (x_pixel >= 0 && y_pixel >= 0)
 736                         {
 737                         pixbuf_renderer_get_pixel_colors(pr, x_pixel, y_pixel,
 738                                                          &r_mouse, &g_mouse, &b_mouse);
 739
 740                         pixel_info = g_strdup_printf(_("[%d,%d]: RGB(%3d,%3d,%3d)"),
 741                                                  x_pixel, y_pixel,
 742                                                  r_mouse, g_mouse, b_mouse);
 743
 744                         g_io_channel_write_chars(channel, pixel_info, -1, NULL, NULL);
 745                         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 746
 747                         g_free(pixel_info);
 748                         }
 749                 else
 750                         {
 751                         return;
 752                         }
 753                 }
 754         else
 755                 {
 756                 return;
 757                 }
 758 }
 759
 760 static void gr_rectangle(const gchar *text, GIOChannel *channel, gpointer data)
 761 {
 762         gchar *rectangle_info;
 763         PixbufRenderer *pr;
 764         LayoutWindow *lw = NULL;
 765         gint x1, y1, x2, y2;
 766
 767         if (!options->draw_rectangle) return;
 768         if (!layout_valid(&lw_id)) return;
 769
 770         pr = (PixbufRenderer*)lw_id->image->pr;
 771
 772         if (pr)
 773                 {
 774                 image_get_rectangle(&x1, &y1, &x2, &y2);
 775                 rectangle_info = g_strdup_printf(_("%dx%d+%d+%d"),
 776                                         (x2 > x1) ? x2 - x1 : x1 - x2,
 777                                         (y2 > y1) ? y2 - y1 : y1 - y2,
 778                                         (x2 > x1) ? x1 : x2,
 779                                         (y2 > y1) ? y1 : y2);
 780
 781                 g_io_channel_write_chars(channel, rectangle_info, -1, NULL, NULL);
 782                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 783
 784                 g_free(rectangle_info);
 785                 }
 786 }
 787
 788 static void gr_render_intent(const gchar *text, GIOChannel *channel, gpointer data)
 789 {
 790         gchar *render_intent;
 791
 792         switch (options->color_profile.render_intent)
 793                 {
 794                 case 0:
 795                         render_intent = g_strdup("Perceptual");
 796                         break;
 797                 case 1:
 798                         render_intent = g_strdup("Relative Colorimetric");
 799                         break;
 800                 case 2:
 801                         render_intent = g_strdup("Saturation");
 802                         break;
 803                 case 3:
 804                         render_intent = g_strdup("Absolute Colorimetric");
 805                         break;
 806                 default:
 807                         render_intent = g_strdup("none");
 808                         break;
 809                 }
 810
 811         g_io_channel_write_chars(channel, render_intent, -1, NULL, NULL);
 812         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 813
 814         g_free(render_intent);
 815 }
 816
 817 static void get_filelist(const gchar *text, GIOChannel *channel, gboolean recurse)
 818 {
 819         GList *list = NULL;
 820         FileFormatClass class;
 821         FileData *dir_fd;
 822         FileData *fd;
 823         GString *out_string = g_string_new(NULL);
 824         GList *work;
 825
 826         if (strcmp(text, "") == 0)
 827                 {
 828                 if (layout_valid(&lw_id))
 829                         {
 830                         dir_fd = file_data_new_dir(lw_id->dir_fd->path);
 831                         }
 832                 else
 833                         {
 834                         return;
 835                         }
 836                 }
 837         else
 838                 {
 839                 if (isdir(text))
 840                         {
 841                         dir_fd = file_data_new_dir(text);
 842                         }
 843                 else
 844                         {
 845                         return;
 846                         }
 847                 }
 848
 849         if (recurse)
 850                 {
 851                 list = filelist_recursive(dir_fd);
 852                 }
 853         else
 854                 {
 855                 filelist_read(dir_fd, &list, NULL);
 856                 }
 857
 858         work = list;
 859         while (work)
 860                 {
 861                 fd = work->data;
 862                 g_string_append_printf(out_string, "%s", fd->path);
 863                 class = filter_file_get_class(fd->path);
 864
 865                 switch (class)
 866                         {
 867                         case FORMAT_CLASS_IMAGE:
 868                                 out_string = g_string_append(out_string, "    Class: Image");
 869                                 break;
 870                         case FORMAT_CLASS_RAWIMAGE:
 871                                 out_string = g_string_append(out_string, "    Class: RAW image");
 872                                 break;
 873                         case FORMAT_CLASS_META:
 874                                 out_string = g_string_append(out_string, "    Class: Metadata");
 875                                 break;
 876                         case FORMAT_CLASS_VIDEO:
 877                                 out_string = g_string_append(out_string, "    Class: Video");
 878                                 break;
 879                         case FORMAT_CLASS_COLLECTION:
 880                                 out_string = g_string_append(out_string, "    Class: Collection");
 881                                 break;
 882                         case FORMAT_CLASS_DOCUMENT:
 883                                 out_string = g_string_append(out_string, "    Class: Document");
 884                                 break;
 885                         case FORMAT_CLASS_UNKNOWN:
 886                                 out_string = g_string_append(out_string, "    Class: Unknown");
 887                                 break;
 888                         default:
 889                                 out_string = g_string_append(out_string, "    Class: Unknown");
 890                                 break;
 891                         }
 892                 out_string = g_string_append(out_string, "\n");
 893                 work = work->next;
 894                 }
 895
 896         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
 897         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 898
 899         g_string_free(out_string, TRUE);
 900         filelist_free(list);
 901         file_data_unref(dir_fd);
 902 }
 903
 904 static void gr_collection(const gchar *text, GIOChannel *channel, gpointer data)
 905 {
 906         GString *contents = g_string_new(NULL);
 907
 908         if (is_collection(text))
 909                 {
 910                 collection_contents(text, &contents);
 911                 }
 912         else
 913                 {
 914                 return;
 915                 }
 916
 917         g_io_channel_write_chars(channel, contents->str, -1, NULL, NULL);
 918         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 919
 920         g_string_free(contents, TRUE);
 921 }
 922
 923 static void gr_collection_list(const gchar *text, GIOChannel *channel, gpointer data)
 924 {
 925
 926         GList *collection_list = NULL;
 927         GList *work;
 928         GString *out_string = g_string_new(NULL);
 929
 930         collect_manager_list(&collection_list, NULL, NULL);
 931
 932         work = collection_list;
 933         while (work)
 934                 {
 935                 const gchar *collection_name = work->data;
 936                 out_string = g_string_append(out_string, g_strdup(collection_name));
 937                 out_string = g_string_append(out_string, "\n");
 938
 939                 work = work->next;
 940                 }
 941
 942         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
 943         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 944
 945         string_list_free(collection_list);
 946         g_string_free(out_string, TRUE);
 947 }
 948
 949
 950 static void gr_filelist(const gchar *text, GIOChannel *channel, gpointer data)
 951 {
 952         get_filelist(text, channel, FALSE);
 953 }
 954
 955 static void gr_filelist_recurse(const gchar *text, GIOChannel *channel, gpointer data)
 956 {
 957         get_filelist(text, channel, TRUE);
 958 }
 959
 960 static void gr_file_tell(const gchar *text, GIOChannel *channel, gpointer data)
 961 {
 962         gchar *out_string;
 963         gchar *collection_name = NULL;
 964
 965         if (!layout_valid(&lw_id)) return;
 966
 967         if (image_get_path(lw_id->image))
 968                 {
 969                 if (lw_id->image->collection && lw_id->image->collection->name)
 970                         {
 971                         collection_name = remove_extension_from_path(lw_id->image->collection->name);
 972                         out_string = g_strconcat(image_get_path(lw_id->image), "    Collection: ", collection_name, NULL);
 973                         }
 974                 else
 975                         {
 976                         out_string = g_strconcat(image_get_path(lw_id->image), NULL);
 977                         }
 978
 979                 g_io_channel_write_chars(channel, out_string, -1, NULL, NULL);
 980                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 981
 982                 g_free(collection_name);
 983                 g_free(out_string);
 984                 }
 985 }
 986
 987 static void gr_file_info(const gchar *text, GIOChannel *channel, gpointer data)
 988 {
 989         gchar *filename;
 990         FileData *fd;
 991         gchar *country_name;
 992         gchar *country_code;
 993         gchar *timezone;
 994         gchar *local_time;
 995         GString *out_string;
 996         FileFormatClass format_class;
 997
 998         if (!layout_valid(&lw_id)) return;
 999
1000         if (image_get_path(lw_id->image))
1001                 {
1002                 filename = g_strdup(image_get_path(lw_id->image));
1003                 fd = file_data_new_group(filename);
1004                 out_string = g_string_new(NULL);
1005
1006                 format_class = filter_file_get_class(image_get_path(lw_id->image));
1007                 if (format_class)
1008                         {
1009                         g_string_append_printf(out_string, _("Class: %s\n"), format_class_list[format_class]);
1010                         }
1011
1012                 if (fd->page_total > 1)
1013                         {
1014                         g_string_append_printf(out_string, _("Page no: %d/%d\n"), fd->page_num + 1, fd->page_total);
1015                         }
1016
1017                 if (fd->exif)
1018                         {
1019                         country_name = exif_get_data_as_text(fd->exif, "formatted.countryname");
1020                         if (country_name)
1021                                 {
1022                                 g_string_append_printf(out_string, _("Country name: %s\n"), country_name);
1023                                 g_free(country_name);
1024                                 }
1025
1026                         country_code = exif_get_data_as_text(fd->exif, "formatted.countrycode");
1027                         if (country_name)
1028                                 {
1029                                 g_string_append_printf(out_string, _("Country code: %s\n"), country_code);
1030                                 g_free(country_code);
1031                                 }
1032
1033                         timezone = exif_get_data_as_text(fd->exif, "formatted.timezone");
1034                         if (timezone)
1035                                 {
1036                                 g_string_append_printf(out_string, _("Timezone: %s\n"), timezone);
1037                                 g_free(timezone);
1038                                 }
1039
1040                         local_time = exif_get_data_as_text(fd->exif, "formatted.localtime");
1041                         if (local_time)
1042                                 {
1043                                 g_string_append_printf(out_string, ("Local time: %s\n"), local_time);
1044                                 g_free(local_time);
1045                                 }
1046                         }
1047
1048                 g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
1049                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1050
1051                 g_string_free(out_string, TRUE);
1052                 file_data_unref(fd);
1053                 g_free(filename);
1054                 }
1055 }
1056
1057 static void gr_config_load(const gchar *text, GIOChannel *channel, gpointer data)
1058 {
1059         gchar *filename = expand_tilde(text);
1060
1061         if (isfile(filename))
1062                 {
1063                 load_config_from_file(filename, FALSE);
1064                 }
1065         else
1066                 {
1067                 log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
1068                 layout_set_path(NULL, homedir());
1069                 }
1070
1071         g_free(filename);
1072 }
1073
1074 static void gr_get_sidecars(const gchar *text, GIOChannel *channel, gpointer data)
1075 {
1076         gchar *filename = expand_tilde(text);
1077         FileData *fd = file_data_new_group(filename);
1078
1079         GList *work;
1080         if (fd->parent) fd = fd->parent;
1081
1082         g_io_channel_write_chars(channel, fd->path, -1, NULL, NULL);
1083         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1084
1085         work = fd->sidecar_files;
1086
1087         while (work)
1088                 {
1089                 fd = work->data;
1090                 work = work->next;
1091                 g_io_channel_write_chars(channel, fd->path, -1, NULL, NULL);
1092                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1093                 }
1094         g_free(filename);
1095 }
1096
1097 static void gr_get_destination(const gchar *text, GIOChannel *channel, gpointer data)
1098 {
1099         gchar *filename = expand_tilde(text);
1100         FileData *fd = file_data_new_group(filename);
1101
1102         if (fd->change && fd->change->dest)
1103                 {
1104                 g_io_channel_write_chars(channel, fd->change->dest, -1, NULL, NULL);
1105                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1106                 }
1107         g_free(filename);
1108 }
1109
1110 static void gr_file_view(const gchar *text, GIOChannel *channel, gpointer data)
1111 {
1112         gchar *filename;
1113         gchar *tilde_filename = expand_tilde(text);
1114
1115         filename = set_pwd(tilde_filename);
1116
1117         view_window_new(file_data_new_group(filename));
1118         g_free(filename);
1119         g_free(tilde_filename);
1120 }
1121
1122 static void gr_list_clear(const gchar *text, GIOChannel *channel, gpointer data)
1123 {
1124         RemoteData *remote_data = data;
1125
1126         if (remote_data->command_collection)
1127                 {
1128                 collection_unref(remote_data->command_collection);
1129                 remote_data->command_collection = NULL;
1130                 }
1131 }
1132
1133 static void gr_list_add(const gchar *text, GIOChannel *channel, gpointer data)
1134 {
1135         RemoteData *remote_data = data;
1136         gboolean new = TRUE;
1137
1138         if (!remote_data->command_collection)
1139                 {
1140                 CollectionData *cd;
1141
1142                 cd = collection_new("");
1143
1144                 g_free(cd->path);
1145                 cd->path = NULL;
1146                 g_free(cd->name);
1147                 cd->name = g_strdup(_("Command line"));
1148
1149                 remote_data->command_collection = cd;
1150                 }
1151         else
1152                 {
1153                 new = (!collection_get_first(remote_data->command_collection));
1154                 }
1155
1156         if (collection_add(remote_data->command_collection, file_data_new_group(text), FALSE) && new)
1157                 {
1158                 layout_image_set_collection(NULL, remote_data->command_collection,
1159                                             collection_get_first(remote_data->command_collection));
1160                 }
1161 }
1162
1163 static void gr_raise(const gchar *text, GIOChannel *channel, gpointer data)
1164 {
1165         LayoutWindow *lw = NULL;
1166
1167         if (layout_valid(&lw_id))
1168                 {
1169                 gtk_window_present(GTK_WINDOW(lw_id->window));
1170                 }
1171 }
1172
1173 static void gr_pwd(const gchar *text, GIOChannel *channel, gpointer data)
1174 {
1175         LayoutWindow *lw = NULL;
1176
1177         g_free(pwd);
1178         pwd = g_strdup(text);
1179 }
1180
1181 static void gr_print0(const gchar *text, GIOChannel *channel, gpointer data)
1182 {
1183         LayoutWindow *lw = NULL;
1184
1185         g_io_channel_write_chars(channel, "print0", -1, NULL, NULL);
1186         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1187 }
1188
1189 #ifdef HAVE_LUA
1190 static void gr_lua(const gchar *text, GIOChannel *channel, gpointer data)
1191 {
1192         gchar *result = NULL;
1193         gchar **lua_command;
1194
1195         lua_command = g_strsplit(text, ",", 2);
1196
1197         if (lua_command[0] && lua_command[1])
1198                 {
1199                 FileData *fd = file_data_new_group(lua_command[0]);
1200                 result = g_strdup(lua_callvalue(fd, lua_command[1], NULL));
1201                 if (result)
1202                         {
1203                         g_io_channel_write_chars(channel, result, -1, NULL, NULL);
1204                         }
1205                 else
1206                         {
1207                         g_io_channel_write_chars(channel, N_("lua error: no data"), -1, NULL, NULL);
1208                         }
1209                 }
1210         else
1211                 {
1212                 g_io_channel_write_chars(channel, N_("lua error: no data"), -1, NULL, NULL);
1213                 }
1214
1215         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1216
1217         g_strfreev(lua_command);
1218         g_free(result);
1219 }
1220 #endif
1221
1222 typedef struct _RemoteCommandEntry RemoteCommandEntry;
1223 struct _RemoteCommandEntry {
1224         gchar *opt_s;
1225         gchar *opt_l;
1226         void (*func)(const gchar *text, GIOChannel *channel, gpointer data);
1227         gboolean needs_extra;
1228         gboolean prefer_command_line;
1229         gchar *parameter;
1230         gchar *description;
1231 };
1232
1233 static RemoteCommandEntry remote_commands[] = {
1234         /* short, long                  callback,               extra, prefer, parameter, description */
1235         { "-n", "--next",               gr_image_next,          FALSE, FALSE, NULL, N_("next image") },
1236         { "-b", "--back",               gr_image_prev,          FALSE, FALSE, NULL, N_("previous image") },
1237         { NULL, "--first",              gr_image_first,         FALSE, FALSE, NULL, N_("first image") },
1238         { NULL, "--last",               gr_image_last,          FALSE, FALSE, NULL, N_("last image") },
1239         { "-f", "--fullscreen",         gr_fullscreen_toggle,   FALSE, TRUE,  NULL, N_("toggle full screen") },
1240         { "-fs","--fullscreen-start",   gr_fullscreen_start,    FALSE, FALSE, NULL, N_("start full screen") },
1241         { "-fS","--fullscreen-stop",    gr_fullscreen_stop,     FALSE, FALSE, NULL, N_("stop full screen") },
1242         { "-s", "--slideshow",          gr_slideshow_toggle,    FALSE, TRUE,  NULL, N_("toggle slide show") },
1243         { "-ss","--slideshow-start",    gr_slideshow_start,     FALSE, FALSE, NULL, N_("start slide show") },
1244         { "-sS","--slideshow-stop",     gr_slideshow_stop,      FALSE, FALSE, NULL, N_("stop slide show") },
1245         { NULL, "--slideshow-recurse:", gr_slideshow_start_rec, TRUE,  FALSE, N_("<FOLDER>"), N_("start recursive slide show in FOLDER") },
1246         { "-d", "--delay=",             gr_slideshow_delay,     TRUE,  FALSE, N_("<[H:][M:][N][.M]>"), N_("set slide show delay to Hrs Mins N.M seconds") },
1247         { "+t", "--tools-show",         gr_tools_show,          FALSE, TRUE,  NULL, N_("show tools") },
1248         { "-t", "--tools-hide",         gr_tools_hide,          FALSE, TRUE,  NULL, N_("hide tools") },
1249         { "-q", "--quit",               gr_quit,                FALSE, FALSE, NULL, N_("quit") },
1250         { NULL, "--config-load:",       gr_config_load,         TRUE,  FALSE, N_("<FILE>"), N_("load configuration from FILE") },
1251         { NULL, "--get-sidecars:",      gr_get_sidecars,        TRUE,  FALSE, N_("<FILE>"), N_("get list of sidecars of FILE") },
1252         { NULL, "--get-destination:",   gr_get_destination,     TRUE,  FALSE, N_("<FILE>"), N_("get destination path of FILE") },
1253         { NULL, "file:",                gr_file_load,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE, bring Geeqie window to the top") },
1254         { NULL, "--file:",              gr_file_load,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE, bring Geeqie window to the top") },
1255         { NULL, "File:",                gr_file_load_no_raise,  TRUE,  FALSE, N_("<FILE>"), N_("open FILE, do not bring Geeqie window to the top") },
1256         { NULL, "--File:",              gr_file_load_no_raise,  TRUE,  FALSE, N_("<FILE>"), N_("open FILE, do not bring Geeqie window to the top") },
1257         { NULL, "--tell",               gr_file_tell,           FALSE, FALSE, NULL, N_("print filename [and Collection] of current image") },
1258         { NULL, "--pixel-info",         gr_pixel_info,          FALSE, FALSE, NULL, N_("print pixel info of mouse pointer on current image") },
1259         { NULL, "--get-rectangle",      gr_rectangle,           FALSE, FALSE, NULL, N_("get rectangle co-ordinates") },
1260         { NULL, "--get-render-intent",  gr_render_intent,       FALSE, FALSE, NULL, N_("get render intent") },
1261         { NULL, "--get-filelist:",      gr_filelist,            TRUE,  FALSE, N_("[<FOLDER>]"), N_("get list of files and class") },
1262         { NULL, "--get-filelist-recurse:", gr_filelist_recurse, TRUE,  FALSE, N_("[<FOLDER>]"), N_("get list of files and class recursive") },
1263         { NULL, "--get-collection:",    gr_collection,          TRUE,  FALSE, N_("<COLLECTION>"), N_("get collection content") },
1264         { NULL, "--get-collection-list", gr_collection_list,    FALSE, FALSE, NULL, N_("get collection list") },
1265         { NULL, "--get-file-info",      gr_file_info,           FALSE, FALSE, NULL, N_("get file info") },
1266         { NULL, "view:",                gr_file_view,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE in new window") },
1267         { NULL, "--view:",              gr_file_view,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE in new window") },
1268         { NULL, "--list-clear",         gr_list_clear,          FALSE, FALSE, NULL, N_("clear command line collection list") },
1269         { NULL, "--list-add:",          gr_list_add,            TRUE,  FALSE, N_("<FILE>"), N_("add FILE to command line collection list") },
1270         { NULL, "raise",                gr_raise,               FALSE, FALSE, NULL, N_("bring the Geeqie window to the top") },
1271         { NULL, "--raise",              gr_raise,               FALSE, FALSE, NULL, N_("bring the Geeqie window to the top") },
1272         { NULL, "--id:",                gr_lw_id,               TRUE, FALSE, N_("<ID>"), N_("window id for following commands") },
1273         { NULL, "--new-window",         gr_new_window,          FALSE, FALSE, NULL, N_("new window") },
1274         { NULL, "--close-window",       gr_close_window,        FALSE, FALSE, NULL, N_("close window") },
1275         { "-ct:", "--cache-thumbs:",    gr_cache_thumb,         TRUE, FALSE, N_("clear|clean"), N_("clear or clean thumbnail cache") },
1276         { "-cs:", "--cache-shared:",    gr_cache_shared,        TRUE, FALSE, N_("clear|clean"), N_("clear or clean shared thumbnail cache") },
1277         { "-cm","--cache-metadata",      gr_cache_metadata,               FALSE, FALSE, NULL, N_("    clean the metadata cache") },
1278         { "-cr:", "--cache-render:",    gr_cache_render,        TRUE, FALSE, N_("<folder>  "), N_(" render thumbnails") },
1279         { "-crr:", "--cache-render-recurse:", gr_cache_render_recurse, TRUE, FALSE, N_("<folder> "), N_("render thumbnails recursively") },
1280         { "-crs:", "--cache-render-shared:", gr_cache_render_standard, TRUE, FALSE, N_("<folder> "), N_(" render thumbnails (see Help)") },
1281         { "-crsr:", "--cache-render-shared-recurse:", gr_cache_render_standard_recurse, TRUE, FALSE, N_("<folder>"), N_(" render thumbnails recursively (see Help)") },
1282 #ifdef HAVE_LUA
1283         { NULL, "--lua:",               gr_lua,                 TRUE, FALSE, N_("<FILE>,<lua script>"), N_("run lua script on FILE") },
1284 #endif
1285         { NULL, "--PWD:",               gr_pwd,                 TRUE, FALSE, N_("<PWD>"), N_("use PWD as working directory for following commands") },
1286         { NULL, "--print0",             gr_print0,              TRUE, FALSE, NULL, N_("terminate returned data with null character instead of newline") },
1287         { NULL, NULL, NULL, FALSE, FALSE, NULL, NULL }
1288 };
1289
1290 static RemoteCommandEntry *remote_command_find(const gchar *text, const gchar **offset)
1291 {
1292         gboolean match = FALSE;
1293         gint i;
1294
1295         i = 0;
1296         while (!match && remote_commands[i].func != NULL)
1297                 {
1298                 if (remote_commands[i].needs_extra)
1299                         {
1300                         if (remote_commands[i].opt_s &&
1301                             strncmp(remote_commands[i].opt_s, text, strlen(remote_commands[i].opt_s)) == 0)
1302                                 {
1303                                 if (offset) *offset = text + strlen(remote_commands[i].opt_s);
1304                                 return &remote_commands[i];
1305                                 }
1306                         else if (remote_commands[i].opt_l &&
1307                                  strncmp(remote_commands[i].opt_l, text, strlen(remote_commands[i].opt_l)) == 0)
1308                                 {
1309                                 if (offset) *offset = text + strlen(remote_commands[i].opt_l);
1310                                 return &remote_commands[i];
1311                                 }
1312                         }
1313                 else
1314                         {
1315                         if ((remote_commands[i].opt_s && strcmp(remote_commands[i].opt_s, text) == 0) ||
1316                             (remote_commands[i].opt_l && strcmp(remote_commands[i].opt_l, text) == 0))
1317                                 {
1318                                 if (offset) *offset = text;
1319                                 return &remote_commands[i];
1320                                 }
1321                         }
1322
1323                 i++;
1324                 }
1325
1326         return NULL;
1327 }
1328
1329 static void remote_cb(RemoteConnection *rc, const gchar *text, GIOChannel *channel, gpointer data)
1330 {
1331         RemoteCommandEntry *entry;
1332         const gchar *offset;
1333
1334         entry = remote_command_find(text, &offset);
1335         if (entry && entry->func)
1336                 {
1337                 entry->func(offset, channel, data);
1338                 }
1339         else
1340                 {
1341                 log_printf("unknown remote command:%s\n", text);
1342                 }
1343 }
1344
1345 void remote_help(void)
1346 {
1347         gint i;
1348         gchar *s_opt_param;
1349         gchar *l_opt_param;
1350
1351         print_term(FALSE, _("Remote command list:\n"));
1352
1353         i = 0;
1354         while (remote_commands[i].func != NULL)
1355                 {
1356                 if (remote_commands[i].description)
1357                         {
1358                         s_opt_param = g_strconcat(remote_commands[i].opt_s, remote_commands[i].parameter, NULL);
1359                         l_opt_param = g_strconcat(remote_commands[i].opt_l, remote_commands[i].parameter, NULL);
1360                         printf_term(FALSE, "  %-11s%-1s %-30s%-s\n",
1361                                     (remote_commands[i].opt_s) ? s_opt_param : "",
1362                                     (remote_commands[i].opt_s && remote_commands[i].opt_l) ? "," : " ",
1363                                     (remote_commands[i].opt_l) ? l_opt_param : "",
1364                                     _(remote_commands[i].description));
1365                         g_free(s_opt_param);
1366                         g_free(l_opt_param);
1367                         }
1368                 i++;
1369                 }
1370         printf_term(FALSE, N_("\n  All other command line parameters are used as plain files if they exists.\n"));
1371 }
1372
1373 GList *remote_build_list(GList *list, gint argc, gchar *argv[], GList **errors)
1374 {
1375         gint i;
1376
1377         i = 1;
1378         while (i < argc)
1379                 {
1380                 RemoteCommandEntry *entry;
1381
1382                 entry = remote_command_find(argv[i], NULL);
1383                 if (entry)
1384                         {
1385                         list = g_list_append(list, argv[i]);
1386                         }
1387                 else if (errors && !isfile(argv[i]))
1388                         {
1389                         *errors = g_list_append(*errors, argv[i]);
1390                         }
1391                 i++;
1392                 }
1393
1394         return list;
1395 }
1396
1397 /**
1398  * \param arg_exec Binary (argv0)
1399  * \param remote_list Evaluated and recognized remote commands
1400  * \param path The current path
1401  * \param cmd_list List of all non collections in Path
1402  * \param collection_list List of all collections in argv
1403  */
1404 void remote_control(const gchar *arg_exec, GList *remote_list, const gchar *path,
1405                     GList *cmd_list, GList *collection_list)
1406 {
1407         RemoteConnection *rc;
1408         gboolean started = FALSE;
1409         gchar *buf;
1410
1411         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1412         rc = remote_client_open(buf);
1413         if (!rc)
1414                 {
1415                 GString *command;
1416                 GList *work;
1417                 gint retry_count = 12;
1418                 gboolean blank = FALSE;
1419
1420                 printf_term(FALSE, _("Remote %s not running, starting..."), GQ_APPNAME);
1421
1422                 command = g_string_new(arg_exec);
1423
1424                 work = remote_list;
1425                 while (work)
1426                         {
1427                         gchar *text;
1428                         RemoteCommandEntry *entry;
1429
1430                         text = work->data;
1431                         work = work->next;
1432
1433                         entry = remote_command_find(text, NULL);
1434                         if (entry)
1435                                 {
1436                                 /* If Geeqie is not running, stop the --new-window command opening a second window */
1437                                 if (g_strcmp0(text, "--new-window") == 0)
1438                                         {
1439                                         remote_list = g_list_remove(remote_list, text);
1440                                         }
1441                                 if (entry->prefer_command_line)
1442                                         {
1443                                         remote_list = g_list_remove(remote_list, text);
1444                                         g_string_append(command, " ");
1445                                         g_string_append(command, text);
1446                                         }
1447                                 if (entry->opt_l && strcmp(entry->opt_l, "file:") == 0)
1448                                         {
1449                                         blank = TRUE;
1450                                         }
1451                                 }
1452                         }
1453
1454                 if (blank || cmd_list || path) g_string_append(command, " --blank");
1455                 if (get_debug_level()) g_string_append(command, " --debug");
1456
1457                 g_string_append(command, " &");
1458                 runcmd(command->str);
1459                 g_string_free(command, TRUE);
1460
1461                 while (!rc && retry_count > 0)
1462                         {
1463                         usleep((retry_count > 10) ? 500000 : 1000000);
1464                         rc = remote_client_open(buf);
1465                         if (!rc) print_term(FALSE, ".");
1466                         retry_count--;
1467                         }
1468
1469                 print_term(FALSE, "\n");
1470
1471                 started = TRUE;
1472                 }
1473         g_free(buf);
1474
1475         if (rc)
1476                 {
1477                 GList *work;
1478                 const gchar *prefix;
1479                 gboolean use_path = TRUE;
1480                 gboolean sent = FALSE;
1481
1482                 work = remote_list;
1483                 while (work)
1484                         {
1485                         gchar *text;
1486                         RemoteCommandEntry *entry;
1487
1488                         text = work->data;
1489                         work = work->next;
1490
1491                         entry = remote_command_find(text, NULL);
1492                         if (entry &&
1493                             entry->opt_l &&
1494                             strcmp(entry->opt_l, "file:") == 0) use_path = FALSE;
1495
1496                         remote_client_send(rc, text);
1497
1498                         sent = TRUE;
1499                         }
1500
1501                 if (cmd_list && cmd_list->next)
1502                         {
1503                         prefix = "--list-add:";
1504                         remote_client_send(rc, "--list-clear");
1505                         }
1506                 else
1507                         {
1508                         prefix = "file:";
1509                         }
1510
1511                 work = cmd_list;
1512                 while (work)
1513                         {
1514                         FileData *fd;
1515                         gchar *text;
1516
1517                         fd = work->data;
1518                         work = work->next;
1519
1520                         text = g_strconcat(prefix, fd->path, NULL);
1521                         remote_client_send(rc, text);
1522                         g_free(text);
1523
1524                         sent = TRUE;
1525                         }
1526
1527                 if (path && !cmd_list && use_path)
1528                         {
1529                         gchar *text;
1530
1531                         text = g_strdup_printf("file:%s", path);
1532                         remote_client_send(rc, text);
1533                         g_free(text);
1534
1535                         sent = TRUE;
1536                         }
1537
1538                 work = collection_list;
1539                 while (work)
1540                         {
1541                         const gchar *name;
1542                         gchar *text;
1543
1544                         name = work->data;
1545                         work = work->next;
1546
1547                         text = g_strdup_printf("file:%s", name);
1548                         remote_client_send(rc, text);
1549                         g_free(text);
1550
1551                         sent = TRUE;
1552                         }
1553
1554                 if (!started && !sent)
1555                         {
1556                         remote_client_send(rc, "raise");
1557                         }
1558                 }
1559         else
1560                 {
1561                 print_term(TRUE, _("Remote not available\n"));
1562                 }
1563
1564         _exit(0);
1565 }
1566
1567 RemoteConnection *remote_server_init(gchar *path, CollectionData *command_collection)
1568 {
1569         RemoteConnection *remote_connection = remote_server_open(path);
1570         RemoteData *remote_data = g_new(RemoteData, 1);
1571
1572         remote_data->command_collection = command_collection;
1573
1574         remote_server_subscribe(remote_connection, remote_cb, remote_data);
1575         return remote_connection;
1576 }
1577 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */