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         layout_set_path(lw_id, pwd);
 462 }
 463
 464 static gboolean gr_close_window_cb()
 465 {
 466         if (!layout_valid(&lw_id)) return FALSE;
 467
 468         layout_menu_close_cb(NULL, lw_id);
 469
 470         return FALSE;
 471 }
 472
 473 static void gr_close_window(const gchar *text, GIOChannel *channel, gpointer data)
 474 {
 475         g_idle_add(gr_close_window_cb, NULL);
 476 }
 477
 478 static void gr_image_prev(const gchar *text, GIOChannel *channel, gpointer data)
 479 {
 480         layout_image_prev(lw_id);
 481 }
 482
 483 static void gr_image_first(const gchar *text, GIOChannel *channel, gpointer data)
 484 {
 485         layout_image_first(lw_id);
 486 }
 487
 488 static void gr_image_last(const gchar *text, GIOChannel *channel, gpointer data)
 489 {
 490         layout_image_last(lw_id);
 491 }
 492
 493 static void gr_fullscreen_toggle(const gchar *text, GIOChannel *channel, gpointer data)
 494 {
 495         layout_image_full_screen_toggle(lw_id);
 496 }
 497
 498 static void gr_fullscreen_start(const gchar *text, GIOChannel *channel, gpointer data)
 499 {
 500         layout_image_full_screen_start(lw_id);
 501 }
 502
 503 static void gr_fullscreen_stop(const gchar *text, GIOChannel *channel, gpointer data)
 504 {
 505         layout_image_full_screen_stop(lw_id);
 506 }
 507
 508 static void gr_lw_id(const gchar *text, GIOChannel *channel, gpointer data)
 509 {
 510         lw_id = layout_find_by_layout_id(text);
 511         if (!lw_id)
 512                 {
 513                 log_printf("remote sent window ID that does not exist:\"%s\"\n",text);
 514                 }
 515         layout_valid(&lw_id);
 516 }
 517
 518 static void gr_slideshow_start_rec(const gchar *text, GIOChannel *channel, gpointer data)
 519 {
 520         GList *list;
 521         FileData *dir_fd = file_data_new_dir(text);
 522
 523         layout_valid(&lw_id);
 524         list = filelist_recursive_full(dir_fd, lw_id->sort_method, lw_id->sort_ascend);
 525         file_data_unref(dir_fd);
 526         if (!list) return;
 527 //printf("length: %d\n", g_list_length(list));
 528         layout_image_slideshow_stop(lw_id);
 529         layout_image_slideshow_start_from_list(lw_id, list);
 530 }
 531
 532 static void gr_cache_thumb(const gchar *text, GIOChannel *channel, gpointer data)
 533 {
 534         if (!g_strcmp0(text, "clear"))
 535                 cache_maintain_home_remote(FALSE, TRUE);
 536         else if (!g_strcmp0(text, "clean"))
 537                 cache_maintain_home_remote(FALSE, FALSE);
 538 }
 539
 540 static void gr_cache_shared(const gchar *text, GIOChannel *channel, gpointer data)
 541 {
 542         if (!g_strcmp0(text, "clear"))
 543                 cache_manager_standard_process_remote(TRUE);
 544         else if (!g_strcmp0(text, "clean"))
 545                 cache_manager_standard_process_remote(FALSE);
 546 }
 547
 548 static void gr_cache_metadata(const gchar *text, GIOChannel *channel, gpointer data)
 549 {
 550         cache_maintain_home_remote(TRUE, FALSE);
 551 }
 552
 553 static void gr_cache_render(const gchar *text, GIOChannel *channel, gpointer data)
 554 {
 555         cache_manager_render_remote(text, FALSE, FALSE);
 556 }
 557
 558 static void gr_cache_render_recurse(const gchar *text, GIOChannel *channel, gpointer data)
 559 {
 560         cache_manager_render_remote(text, TRUE, FALSE);
 561 }
 562
 563 static void gr_cache_render_standard(const gchar *text, GIOChannel *channel, gpointer data)
 564 {
 565         if(options->thumbnails.spec_standard)
 566                 cache_manager_render_remote(text, FALSE, TRUE);
 567 }
 568
 569 static void gr_cache_render_standard_recurse(const gchar *text, GIOChannel *channel, gpointer data)
 570 {
 571         if(options->thumbnails.spec_standard)
 572                 cache_manager_render_remote(text, TRUE, TRUE);
 573 }
 574
 575 static void gr_slideshow_toggle(const gchar *text, GIOChannel *channel, gpointer data)
 576 {
 577         layout_image_slideshow_toggle(lw_id);
 578 }
 579
 580 static void gr_slideshow_start(const gchar *text, GIOChannel *channel, gpointer data)
 581 {
 582         layout_image_slideshow_start(lw_id);
 583 }
 584
 585 static void gr_slideshow_stop(const gchar *text, GIOChannel *channel, gpointer data)
 586 {
 587         layout_image_slideshow_stop(lw_id);
 588 }
 589
 590 static void gr_slideshow_delay(const gchar *text, GIOChannel *channel, gpointer data)
 591 {
 592         gdouble t1, t2, t3, n;
 593         gint res;
 594
 595         res = sscanf(text, "%lf:%lf:%lf", &t1, &t2, &t3);
 596         if (res == 3)
 597                 {
 598                 n = (t1 * 3600) + (t2 * 60) + t3;
 599                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS ||
 600                                 t1 >= 24 || t2 >= 60 || t3 >= 60)
 601                         {
 602                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 603                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 604                         return;
 605                         }
 606                 }
 607         else if (res == 2)
 608                 {
 609                 n = t1 * 60 + t2;
 610                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS ||
 611                                 t1 >= 60 || t2 >= 60)
 612                         {
 613                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 614                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 615                         return;
 616                         }
 617                 }
 618         else if (res == 1)
 619                 {
 620                 n = t1;
 621                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS)
 622                         {
 623                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 624                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 625                         return;
 626                         }
 627                 }
 628         else
 629                 {
 630                 n = 0;
 631                 }
 632
 633         options->slideshow.delay = (gint)(n * 10.0 + 0.01);
 634 }
 635
 636 static void gr_tools_show(const gchar *text, GIOChannel *channel, gpointer data)
 637 {
 638         gboolean popped;
 639         gboolean hidden;
 640
 641         if (layout_tools_float_get(lw_id, &popped, &hidden) && hidden)
 642                 {
 643                 layout_tools_float_set(lw_id, popped, FALSE);
 644                 }
 645 }
 646
 647 static void gr_tools_hide(const gchar *text, GIOChannel *channel, gpointer data)
 648 {
 649         gboolean popped;
 650         gboolean hidden;
 651
 652         if (layout_tools_float_get(lw_id, &popped, &hidden) && !hidden)
 653                 {
 654                 layout_tools_float_set(lw_id, popped, TRUE);
 655                 }
 656 }
 657
 658 static gboolean gr_quit_idle_cb(gpointer data)
 659 {
 660         exit_program();
 661
 662         return FALSE;
 663 }
 664
 665 static void gr_quit(const gchar *text, GIOChannel *channel, gpointer data)
 666 {
 667         /* schedule exit when idle, if done from within a
 668          * remote handler remote_close will crash
 669          */
 670         g_idle_add(gr_quit_idle_cb, NULL);
 671 }
 672
 673 static void gr_file_load_no_raise(const gchar *text, GIOChannel *channel, gpointer data)
 674 {
 675         gchar *filename;
 676         gchar *tilde_filename;
 677
 678         if (!download_web_file(text, TRUE, NULL))
 679                 {
 680                 tilde_filename = expand_tilde(text);
 681                 filename = set_pwd(tilde_filename);
 682
 683                 if (isfile(filename))
 684                         {
 685                         if (file_extension_match(filename, GQ_COLLECTION_EXT))
 686                                 {
 687                                 collection_window_new(filename);
 688                                 }
 689                         else
 690                                 {
 691                                 layout_set_path(lw_id, filename);
 692                                 }
 693                         }
 694                 else if (isdir(filename))
 695                         {
 696                         layout_set_path(lw_id, filename);
 697                         }
 698                 else
 699                         {
 700                         log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
 701                         layout_set_path(lw_id, homedir());
 702                         }
 703
 704                 g_free(filename);
 705                 g_free(tilde_filename);
 706                 }
 707 }
 708
 709 static void gr_file_load(const gchar *text, GIOChannel *channel, gpointer data)
 710 {
 711         gr_file_load_no_raise(text, channel, data);
 712
 713         gr_raise(text, channel, data);
 714 }
 715
 716 static void gr_pixel_info(const gchar *text, GIOChannel *channel, gpointer data)
 717 {
 718         gchar *pixel_info;
 719         gint x_pixel, y_pixel;
 720         gint width, height;
 721         gint r_mouse, g_mouse, b_mouse;
 722         PixbufRenderer *pr;
 723         LayoutWindow *lw = NULL;
 724
 725         if (!layout_valid(&lw_id)) return;
 726
 727         pr = (PixbufRenderer*)lw_id->image->pr;
 728
 729         if (pr)
 730                 {
 731                 pixbuf_renderer_get_image_size(pr, &width, &height);
 732                 if (width < 1 || height < 1) return;
 733
 734                 pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
 735
 736                 if (x_pixel >= 0 && y_pixel >= 0)
 737                         {
 738                         pixbuf_renderer_get_pixel_colors(pr, x_pixel, y_pixel,
 739                                                          &r_mouse, &g_mouse, &b_mouse);
 740
 741                         pixel_info = g_strdup_printf(_("[%d,%d]: RGB(%3d,%3d,%3d)"),
 742                                                  x_pixel, y_pixel,
 743                                                  r_mouse, g_mouse, b_mouse);
 744
 745                         g_io_channel_write_chars(channel, pixel_info, -1, NULL, NULL);
 746                         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 747
 748                         g_free(pixel_info);
 749                         }
 750                 else
 751                         {
 752                         return;
 753                         }
 754                 }
 755         else
 756                 {
 757                 return;
 758                 }
 759 }
 760
 761 static void gr_rectangle(const gchar *text, GIOChannel *channel, gpointer data)
 762 {
 763         gchar *rectangle_info;
 764         PixbufRenderer *pr;
 765         LayoutWindow *lw = NULL;
 766         gint x1, y1, x2, y2;
 767
 768         if (!options->draw_rectangle) return;
 769         if (!layout_valid(&lw_id)) return;
 770
 771         pr = (PixbufRenderer*)lw_id->image->pr;
 772
 773         if (pr)
 774                 {
 775                 image_get_rectangle(&x1, &y1, &x2, &y2);
 776                 rectangle_info = g_strdup_printf(_("%dx%d+%d+%d"),
 777                                         (x2 > x1) ? x2 - x1 : x1 - x2,
 778                                         (y2 > y1) ? y2 - y1 : y1 - y2,
 779                                         (x2 > x1) ? x1 : x2,
 780                                         (y2 > y1) ? y1 : y2);
 781
 782                 g_io_channel_write_chars(channel, rectangle_info, -1, NULL, NULL);
 783                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 784
 785                 g_free(rectangle_info);
 786                 }
 787 }
 788
 789 static void gr_render_intent(const gchar *text, GIOChannel *channel, gpointer data)
 790 {
 791         gchar *render_intent;
 792
 793         switch (options->color_profile.render_intent)
 794                 {
 795                 case 0:
 796                         render_intent = g_strdup("Perceptual");
 797                         break;
 798                 case 1:
 799                         render_intent = g_strdup("Relative Colorimetric");
 800                         break;
 801                 case 2:
 802                         render_intent = g_strdup("Saturation");
 803                         break;
 804                 case 3:
 805                         render_intent = g_strdup("Absolute Colorimetric");
 806                         break;
 807                 default:
 808                         render_intent = g_strdup("none");
 809                         break;
 810                 }
 811
 812         g_io_channel_write_chars(channel, render_intent, -1, NULL, NULL);
 813         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 814
 815         g_free(render_intent);
 816 }
 817
 818 static void get_filelist(const gchar *text, GIOChannel *channel, gboolean recurse)
 819 {
 820         GList *list = NULL;
 821         FileFormatClass class;
 822         FileData *dir_fd;
 823         FileData *fd;
 824         GString *out_string = g_string_new(NULL);
 825         GList *work;
 826
 827         if (strcmp(text, "") == 0)
 828                 {
 829                 if (layout_valid(&lw_id))
 830                         {
 831                         dir_fd = file_data_new_dir(lw_id->dir_fd->path);
 832                         }
 833                 else
 834                         {
 835                         return;
 836                         }
 837                 }
 838         else
 839                 {
 840                 if (isdir(text))
 841                         {
 842                         dir_fd = file_data_new_dir(text);
 843                         }
 844                 else
 845                         {
 846                         return;
 847                         }
 848                 }
 849
 850         if (recurse)
 851                 {
 852                 list = filelist_recursive(dir_fd);
 853                 }
 854         else
 855                 {
 856                 filelist_read(dir_fd, &list, NULL);
 857                 }
 858
 859         work = list;
 860         while (work)
 861                 {
 862                 fd = work->data;
 863                 g_string_append_printf(out_string, "%s", fd->path);
 864                 class = filter_file_get_class(fd->path);
 865
 866                 switch (class)
 867                         {
 868                         case FORMAT_CLASS_IMAGE:
 869                                 out_string = g_string_append(out_string, "    Class: Image");
 870                                 break;
 871                         case FORMAT_CLASS_RAWIMAGE:
 872                                 out_string = g_string_append(out_string, "    Class: RAW image");
 873                                 break;
 874                         case FORMAT_CLASS_META:
 875                                 out_string = g_string_append(out_string, "    Class: Metadata");
 876                                 break;
 877                         case FORMAT_CLASS_VIDEO:
 878                                 out_string = g_string_append(out_string, "    Class: Video");
 879                                 break;
 880                         case FORMAT_CLASS_COLLECTION:
 881                                 out_string = g_string_append(out_string, "    Class: Collection");
 882                                 break;
 883                         case FORMAT_CLASS_DOCUMENT:
 884                                 out_string = g_string_append(out_string, "    Class: Document");
 885                                 break;
 886                         case FORMAT_CLASS_UNKNOWN:
 887                                 out_string = g_string_append(out_string, "    Class: Unknown");
 888                                 break;
 889                         default:
 890                                 out_string = g_string_append(out_string, "    Class: Unknown");
 891                                 break;
 892                         }
 893                 out_string = g_string_append(out_string, "\n");
 894                 work = work->next;
 895                 }
 896
 897         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
 898         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 899
 900         g_string_free(out_string, TRUE);
 901         filelist_free(list);
 902         file_data_unref(dir_fd);
 903 }
 904
 905 static void gr_collection(const gchar *text, GIOChannel *channel, gpointer data)
 906 {
 907         GString *contents = g_string_new(NULL);
 908
 909         if (is_collection(text))
 910                 {
 911                 collection_contents(text, &contents);
 912                 }
 913         else
 914                 {
 915                 return;
 916                 }
 917
 918         g_io_channel_write_chars(channel, contents->str, -1, NULL, NULL);
 919         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 920
 921         g_string_free(contents, TRUE);
 922 }
 923
 924 static void gr_collection_list(const gchar *text, GIOChannel *channel, gpointer data)
 925 {
 926
 927         GList *collection_list = NULL;
 928         GList *work;
 929         GString *out_string = g_string_new(NULL);
 930
 931         collect_manager_list(&collection_list, NULL, NULL);
 932
 933         work = collection_list;
 934         while (work)
 935                 {
 936                 const gchar *collection_name = work->data;
 937                 out_string = g_string_append(out_string, g_strdup(collection_name));
 938                 out_string = g_string_append(out_string, "\n");
 939
 940                 work = work->next;
 941                 }
 942
 943         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
 944         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 945
 946         string_list_free(collection_list);
 947         g_string_free(out_string, TRUE);
 948 }
 949
 950
 951 static void gr_filelist(const gchar *text, GIOChannel *channel, gpointer data)
 952 {
 953         get_filelist(text, channel, FALSE);
 954 }
 955
 956 static void gr_filelist_recurse(const gchar *text, GIOChannel *channel, gpointer data)
 957 {
 958         get_filelist(text, channel, TRUE);
 959 }
 960
 961 static void gr_file_tell(const gchar *text, GIOChannel *channel, gpointer data)
 962 {
 963         gchar *out_string;
 964         gchar *collection_name = NULL;
 965
 966         if (!layout_valid(&lw_id)) return;
 967
 968         if (image_get_path(lw_id->image))
 969                 {
 970                 if (lw_id->image->collection && lw_id->image->collection->name)
 971                         {
 972                         collection_name = remove_extension_from_path(lw_id->image->collection->name);
 973                         out_string = g_strconcat(image_get_path(lw_id->image), "    Collection: ", collection_name, NULL);
 974                         }
 975                 else
 976                         {
 977                         out_string = g_strconcat(image_get_path(lw_id->image), NULL);
 978                         }
 979                 }
 980         else
 981                 {
 982                 out_string = g_strconcat(lw_id->dir_fd->path, G_DIR_SEPARATOR_S, NULL);
 983                 }
 984
 985         g_io_channel_write_chars(channel, out_string, -1, NULL, NULL);
 986         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 987
 988         g_free(collection_name);
 989         g_free(out_string);
 990 }
 991
 992 static void gr_file_info(const gchar *text, GIOChannel *channel, gpointer data)
 993 {
 994         gchar *filename;
 995         FileData *fd;
 996         gchar *country_name;
 997         gchar *country_code;
 998         gchar *timezone;
 999         gchar *local_time;
1000         GString *out_string;
1001         FileFormatClass format_class;
1002
1003         if (!layout_valid(&lw_id)) return;
1004
1005         if (image_get_path(lw_id->image))
1006                 {
1007                 filename = g_strdup(image_get_path(lw_id->image));
1008                 fd = file_data_new_group(filename);
1009                 out_string = g_string_new(NULL);
1010
1011                 format_class = filter_file_get_class(image_get_path(lw_id->image));
1012                 if (format_class)
1013                         {
1014                         g_string_append_printf(out_string, _("Class: %s\n"), format_class_list[format_class]);
1015                         }
1016
1017                 if (fd->page_total > 1)
1018                         {
1019                         g_string_append_printf(out_string, _("Page no: %d/%d\n"), fd->page_num + 1, fd->page_total);
1020                         }
1021
1022                 if (fd->exif)
1023                         {
1024                         country_name = exif_get_data_as_text(fd->exif, "formatted.countryname");
1025                         if (country_name)
1026                                 {
1027                                 g_string_append_printf(out_string, _("Country name: %s\n"), country_name);
1028                                 g_free(country_name);
1029                                 }
1030
1031                         country_code = exif_get_data_as_text(fd->exif, "formatted.countrycode");
1032                         if (country_name)
1033                                 {
1034                                 g_string_append_printf(out_string, _("Country code: %s\n"), country_code);
1035                                 g_free(country_code);
1036                                 }
1037
1038                         timezone = exif_get_data_as_text(fd->exif, "formatted.timezone");
1039                         if (timezone)
1040                                 {
1041                                 g_string_append_printf(out_string, _("Timezone: %s\n"), timezone);
1042                                 g_free(timezone);
1043                                 }
1044
1045                         local_time = exif_get_data_as_text(fd->exif, "formatted.localtime");
1046                         if (local_time)
1047                                 {
1048                                 g_string_append_printf(out_string, ("Local time: %s\n"), local_time);
1049                                 g_free(local_time);
1050                                 }
1051                         }
1052
1053                 g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
1054                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1055
1056                 g_string_free(out_string, TRUE);
1057                 file_data_unref(fd);
1058                 g_free(filename);
1059                 }
1060 }
1061
1062 static gchar *config_file_path(const gchar *param)
1063 {
1064         gchar *path = NULL;
1065         gchar *full_name = NULL;
1066
1067         if (file_extension_match(param, ".xml"))
1068                 {
1069                 path = g_build_filename(get_window_layouts_dir(), param, NULL);
1070                 }
1071         else if (file_extension_match(param, NULL))
1072                 {
1073                 full_name = g_strconcat(param, ".xml", NULL);
1074                 path = g_build_filename(get_window_layouts_dir(), full_name, NULL);
1075                 }
1076
1077         if (!isfile(path))
1078                 {
1079                 g_free(path);
1080                 path = NULL;
1081                 }
1082
1083         g_free(full_name);
1084         return path;
1085 }
1086
1087 static gboolean is_config_file(const gchar *param)
1088 {
1089         gchar *name = NULL;
1090
1091         name = config_file_path(param);
1092         if (name)
1093                 {
1094                 g_free(name);
1095                 return TRUE;
1096                 }
1097         return FALSE;
1098 }
1099
1100 static void gr_config_load(const gchar *text, GIOChannel *channel, gpointer data)
1101 {
1102         gchar *filename = expand_tilde(text);
1103
1104         if (!g_strstr_len(filename, -1, G_DIR_SEPARATOR_S))
1105                 {
1106                 if (is_config_file(filename))
1107                         {
1108                         gchar *tmp = config_file_path(filename);
1109                         g_free(filename);
1110                         filename = tmp;
1111                         }
1112                 }
1113
1114         if (isfile(filename))
1115                 {
1116                 load_config_from_file(filename, FALSE);
1117                 }
1118         else
1119                 {
1120                 log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
1121                 layout_set_path(NULL, homedir());
1122                 }
1123
1124         g_free(filename);
1125 }
1126
1127 static void gr_get_sidecars(const gchar *text, GIOChannel *channel, gpointer data)
1128 {
1129         gchar *filename = expand_tilde(text);
1130         FileData *fd = file_data_new_group(filename);
1131
1132         GList *work;
1133         if (fd->parent) fd = fd->parent;
1134
1135         g_io_channel_write_chars(channel, fd->path, -1, NULL, NULL);
1136         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1137
1138         work = fd->sidecar_files;
1139
1140         while (work)
1141                 {
1142                 fd = work->data;
1143                 work = work->next;
1144                 g_io_channel_write_chars(channel, fd->path, -1, NULL, NULL);
1145                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1146                 }
1147         g_free(filename);
1148 }
1149
1150 static void gr_get_destination(const gchar *text, GIOChannel *channel, gpointer data)
1151 {
1152         gchar *filename = expand_tilde(text);
1153         FileData *fd = file_data_new_group(filename);
1154
1155         if (fd->change && fd->change->dest)
1156                 {
1157                 g_io_channel_write_chars(channel, fd->change->dest, -1, NULL, NULL);
1158                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1159                 }
1160         g_free(filename);
1161 }
1162
1163 static void gr_file_view(const gchar *text, GIOChannel *channel, gpointer data)
1164 {
1165         gchar *filename;
1166         gchar *tilde_filename = expand_tilde(text);
1167
1168         filename = set_pwd(tilde_filename);
1169
1170         view_window_new(file_data_new_group(filename));
1171         g_free(filename);
1172         g_free(tilde_filename);
1173 }
1174
1175 static void gr_list_clear(const gchar *text, GIOChannel *channel, gpointer data)
1176 {
1177         RemoteData *remote_data = data;
1178
1179         if (remote_data->command_collection)
1180                 {
1181                 collection_unref(remote_data->command_collection);
1182                 remote_data->command_collection = NULL;
1183                 }
1184 }
1185
1186 static void gr_list_add(const gchar *text, GIOChannel *channel, gpointer data)
1187 {
1188         RemoteData *remote_data = data;
1189         gboolean new = TRUE;
1190
1191         if (!remote_data->command_collection)
1192                 {
1193                 CollectionData *cd;
1194
1195                 cd = collection_new("");
1196
1197                 g_free(cd->path);
1198                 cd->path = NULL;
1199                 g_free(cd->name);
1200                 cd->name = g_strdup(_("Command line"));
1201
1202                 remote_data->command_collection = cd;
1203                 }
1204         else
1205                 {
1206                 new = (!collection_get_first(remote_data->command_collection));
1207                 }
1208
1209         if (collection_add(remote_data->command_collection, file_data_new_group(text), FALSE) && new)
1210                 {
1211                 layout_image_set_collection(lw_id, remote_data->command_collection, collection_get_first(remote_data->command_collection));
1212                 }
1213 }
1214
1215 static void gr_raise(const gchar *text, GIOChannel *channel, gpointer data)
1216 {
1217         LayoutWindow *lw = NULL;
1218
1219         if (layout_valid(&lw_id))
1220                 {
1221                 gtk_window_present(GTK_WINDOW(lw_id->window));
1222                 }
1223 }
1224
1225 static void gr_pwd(const gchar *text, GIOChannel *channel, gpointer data)
1226 {
1227         LayoutWindow *lw = NULL;
1228
1229         lw = layout_find_by_layout_id("main");
1230         if (!lw)
1231                 {
1232                 lw = g_list_first(layout_window_list)->data;
1233                 }
1234
1235         g_free(pwd);
1236         pwd = g_strdup(text);
1237         lw_id = lw;
1238 }
1239
1240 static void gr_print0(const gchar *text, GIOChannel *channel, gpointer data)
1241 {
1242         LayoutWindow *lw = NULL;
1243
1244         g_io_channel_write_chars(channel, "print0", -1, NULL, NULL);
1245         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1246 }
1247
1248 #ifdef HAVE_LUA
1249 static void gr_lua(const gchar *text, GIOChannel *channel, gpointer data)
1250 {
1251         gchar *result = NULL;
1252         gchar **lua_command;
1253
1254         lua_command = g_strsplit(text, ",", 2);
1255
1256         if (lua_command[0] && lua_command[1])
1257                 {
1258                 FileData *fd = file_data_new_group(lua_command[0]);
1259                 result = g_strdup(lua_callvalue(fd, lua_command[1], NULL));
1260                 if (result)
1261                         {
1262                         g_io_channel_write_chars(channel, result, -1, NULL, NULL);
1263                         }
1264                 else
1265                         {
1266                         g_io_channel_write_chars(channel, N_("lua error: no data"), -1, NULL, NULL);
1267                         }
1268                 }
1269         else
1270                 {
1271                 g_io_channel_write_chars(channel, N_("lua error: no data"), -1, NULL, NULL);
1272                 }
1273
1274         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1275
1276         g_strfreev(lua_command);
1277         g_free(result);
1278 }
1279 #endif
1280
1281 typedef struct _RemoteCommandEntry RemoteCommandEntry;
1282 struct _RemoteCommandEntry {
1283         gchar *opt_s;
1284         gchar *opt_l;
1285         void (*func)(const gchar *text, GIOChannel *channel, gpointer data);
1286         gboolean needs_extra;
1287         gboolean prefer_command_line;
1288         gchar *parameter;
1289         gchar *description;
1290 };
1291
1292 static RemoteCommandEntry remote_commands[] = {
1293         /* short, long                  callback,               extra, prefer, parameter, description */
1294         { "-n", "--next",               gr_image_next,          FALSE, FALSE, NULL, N_("next image") },
1295         { "-b", "--back",               gr_image_prev,          FALSE, FALSE, NULL, N_("previous image") },
1296         { NULL, "--first",              gr_image_first,         FALSE, FALSE, NULL, N_("first image") },
1297         { NULL, "--last",               gr_image_last,          FALSE, FALSE, NULL, N_("last image") },
1298         { "-f", "--fullscreen",         gr_fullscreen_toggle,   FALSE, TRUE,  NULL, N_("toggle full screen") },
1299         { "-fs","--fullscreen-start",   gr_fullscreen_start,    FALSE, FALSE, NULL, N_("start full screen") },
1300         { "-fS","--fullscreen-stop",    gr_fullscreen_stop,     FALSE, FALSE, NULL, N_("stop full screen") },
1301         { "-s", "--slideshow",          gr_slideshow_toggle,    FALSE, TRUE,  NULL, N_("toggle slide show") },
1302         { "-ss","--slideshow-start",    gr_slideshow_start,     FALSE, FALSE, NULL, N_("start slide show") },
1303         { "-sS","--slideshow-stop",     gr_slideshow_stop,      FALSE, FALSE, NULL, N_("stop slide show") },
1304         { NULL, "--slideshow-recurse:", gr_slideshow_start_rec, TRUE,  FALSE, N_("<FOLDER>"), N_("start recursive slide show in FOLDER") },
1305         { "-d", "--delay=",             gr_slideshow_delay,     TRUE,  FALSE, N_("<[H:][M:][N][.M]>"), N_("set slide show delay to Hrs Mins N.M seconds") },
1306         { "+t", "--tools-show",         gr_tools_show,          FALSE, TRUE,  NULL, N_("show tools") },
1307         { "-t", "--tools-hide",         gr_tools_hide,          FALSE, TRUE,  NULL, N_("hide tools") },
1308         { "-q", "--quit",               gr_quit,                FALSE, FALSE, NULL, N_("quit") },
1309         { NULL, "--config-load:",       gr_config_load,         TRUE,  FALSE, N_("<FILE>|layout ID"), N_("load configuration from FILE") },
1310         { NULL, "--get-sidecars:",      gr_get_sidecars,        TRUE,  FALSE, N_("<FILE>"), N_("get list of sidecars of FILE") },
1311         { NULL, "--get-destination:",   gr_get_destination,     TRUE,  FALSE, N_("<FILE>"), N_("get destination path of FILE") },
1312         { NULL, "file:",                gr_file_load,           TRUE,  FALSE, N_("<FILE>|<URL>"), N_("open FILE or URL, bring Geeqie window to the top") },
1313         { NULL, "--file:",              gr_file_load,           TRUE,  FALSE, N_("<FILE>|<URL>"), N_("open FILE or URL, bring Geeqie window to the top") },
1314         { NULL, "File:",                gr_file_load_no_raise,  TRUE,  FALSE, N_("<FILE>|<URL>"), N_("open FILE or URL, do not bring Geeqie window to the top") },
1315         { NULL, "--File:",              gr_file_load_no_raise,  TRUE,  FALSE, N_("<FILE>|<URL>"), N_("open FILE or URL, do not bring Geeqie window to the top") },
1316         { NULL, "--tell",               gr_file_tell,           FALSE, FALSE, NULL, N_("print filename [and Collection] of current image") },
1317         { NULL, "--pixel-info",         gr_pixel_info,          FALSE, FALSE, NULL, N_("print pixel info of mouse pointer on current image") },
1318         { NULL, "--get-rectangle",      gr_rectangle,           FALSE, FALSE, NULL, N_("get rectangle co-ordinates") },
1319         { NULL, "--get-render-intent",  gr_render_intent,       FALSE, FALSE, NULL, N_("get render intent") },
1320         { NULL, "--get-filelist:",      gr_filelist,            TRUE,  FALSE, N_("[<FOLDER>]"), N_("get list of files and class") },
1321         { NULL, "--get-filelist-recurse:", gr_filelist_recurse, TRUE,  FALSE, N_("[<FOLDER>]"), N_("get list of files and class recursive") },
1322         { NULL, "--get-collection:",    gr_collection,          TRUE,  FALSE, N_("<COLLECTION>"), N_("get collection content") },
1323         { NULL, "--get-collection-list", gr_collection_list,    FALSE, FALSE, NULL, N_("get collection list") },
1324         { NULL, "--get-file-info",      gr_file_info,           FALSE, FALSE, NULL, N_("get file info") },
1325         { NULL, "view:",                gr_file_view,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE in new window") },
1326         { NULL, "--view:",              gr_file_view,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE in new window") },
1327         { NULL, "--list-clear",         gr_list_clear,          FALSE, FALSE, NULL, N_("clear command line collection list") },
1328         { NULL, "--list-add:",          gr_list_add,            TRUE,  FALSE, N_("<FILE>"), N_("add FILE to command line collection list") },
1329         { NULL, "raise",                gr_raise,               FALSE, FALSE, NULL, N_("bring the Geeqie window to the top") },
1330         { NULL, "--raise",              gr_raise,               FALSE, FALSE, NULL, N_("bring the Geeqie window to the top") },
1331         { NULL, "--id:",                gr_lw_id,               TRUE, FALSE, N_("<ID>"), N_("window id for following commands") },
1332         { NULL, "--new-window",         gr_new_window,          FALSE, FALSE, NULL, N_("new window") },
1333         { NULL, "--close-window",       gr_close_window,        FALSE, FALSE, NULL, N_("close window") },
1334         { "-ct:", "--cache-thumbs:",    gr_cache_thumb,         TRUE, FALSE, N_("clear|clean"), N_("clear or clean thumbnail cache") },
1335         { "-cs:", "--cache-shared:",    gr_cache_shared,        TRUE, FALSE, N_("clear|clean"), N_("clear or clean shared thumbnail cache") },
1336         { "-cm","--cache-metadata",      gr_cache_metadata,               FALSE, FALSE, NULL, N_("    clean the metadata cache") },
1337         { "-cr:", "--cache-render:",    gr_cache_render,        TRUE, FALSE, N_("<folder>  "), N_(" render thumbnails") },
1338         { "-crr:", "--cache-render-recurse:", gr_cache_render_recurse, TRUE, FALSE, N_("<folder> "), N_("render thumbnails recursively") },
1339         { "-crs:", "--cache-render-shared:", gr_cache_render_standard, TRUE, FALSE, N_("<folder> "), N_(" render thumbnails (see Help)") },
1340         { "-crsr:", "--cache-render-shared-recurse:", gr_cache_render_standard_recurse, TRUE, FALSE, N_("<folder>"), N_(" render thumbnails recursively (see Help)") },
1341 #ifdef HAVE_LUA
1342         { NULL, "--lua:",               gr_lua,                 TRUE, FALSE, N_("<FILE>,<lua script>"), N_("run lua script on FILE") },
1343 #endif
1344         { NULL, "--PWD:",               gr_pwd,                 TRUE, FALSE, N_("<PWD>"), N_("use PWD as working directory for following commands") },
1345         { NULL, "--print0",             gr_print0,              TRUE, FALSE, NULL, N_("terminate returned data with null character instead of newline") },
1346         { NULL, NULL, NULL, FALSE, FALSE, NULL, NULL }
1347 };
1348
1349 static RemoteCommandEntry *remote_command_find(const gchar *text, const gchar **offset)
1350 {
1351         gboolean match = FALSE;
1352         gint i;
1353
1354         i = 0;
1355         while (!match && remote_commands[i].func != NULL)
1356                 {
1357                 if (remote_commands[i].needs_extra)
1358                         {
1359                         if (remote_commands[i].opt_s &&
1360                             strncmp(remote_commands[i].opt_s, text, strlen(remote_commands[i].opt_s)) == 0)
1361                                 {
1362                                 if (offset) *offset = text + strlen(remote_commands[i].opt_s);
1363                                 return &remote_commands[i];
1364                                 }
1365                         else if (remote_commands[i].opt_l &&
1366                                  strncmp(remote_commands[i].opt_l, text, strlen(remote_commands[i].opt_l)) == 0)
1367                                 {
1368                                 if (offset) *offset = text + strlen(remote_commands[i].opt_l);
1369                                 return &remote_commands[i];
1370                                 }
1371                         }
1372                 else
1373                         {
1374                         if ((remote_commands[i].opt_s && strcmp(remote_commands[i].opt_s, text) == 0) ||
1375                             (remote_commands[i].opt_l && strcmp(remote_commands[i].opt_l, text) == 0))
1376                                 {
1377                                 if (offset) *offset = text;
1378                                 return &remote_commands[i];
1379                                 }
1380                         }
1381
1382                 i++;
1383                 }
1384
1385         return NULL;
1386 }
1387
1388 static void remote_cb(RemoteConnection *rc, const gchar *text, GIOChannel *channel, gpointer data)
1389 {
1390         RemoteCommandEntry *entry;
1391         const gchar *offset;
1392
1393         entry = remote_command_find(text, &offset);
1394         if (entry && entry->func)
1395                 {
1396                 entry->func(offset, channel, data);
1397                 }
1398         else
1399                 {
1400                 log_printf("unknown remote command:%s\n", text);
1401                 }
1402 }
1403
1404 void remote_help(void)
1405 {
1406         gint i;
1407         gchar *s_opt_param;
1408         gchar *l_opt_param;
1409
1410         print_term(FALSE, _("Remote command list:\n"));
1411
1412         i = 0;
1413         while (remote_commands[i].func != NULL)
1414                 {
1415                 if (remote_commands[i].description)
1416                         {
1417                         s_opt_param = g_strconcat(remote_commands[i].opt_s, remote_commands[i].parameter, NULL);
1418                         l_opt_param = g_strconcat(remote_commands[i].opt_l, remote_commands[i].parameter, NULL);
1419                         printf_term(FALSE, "  %-11s%-1s %-30s%-s\n",
1420                                     (remote_commands[i].opt_s) ? s_opt_param : "",
1421                                     (remote_commands[i].opt_s && remote_commands[i].opt_l) ? "," : " ",
1422                                     (remote_commands[i].opt_l) ? l_opt_param : "",
1423                                     _(remote_commands[i].description));
1424                         g_free(s_opt_param);
1425                         g_free(l_opt_param);
1426                         }
1427                 i++;
1428                 }
1429         printf_term(FALSE, N_("\n  All other command line parameters are used as plain files if they exists.\n"));
1430 }
1431
1432 GList *remote_build_list(GList *list, gint argc, gchar *argv[], GList **errors)
1433 {
1434         gint i;
1435
1436         i = 1;
1437         while (i < argc)
1438                 {
1439                 RemoteCommandEntry *entry;
1440
1441                 entry = remote_command_find(argv[i], NULL);
1442                 if (entry)
1443                         {
1444                         list = g_list_append(list, argv[i]);
1445                         }
1446                 else if (errors && !isname(argv[i]))
1447                         {
1448                         *errors = g_list_append(*errors, argv[i]);
1449                         }
1450                 i++;
1451                 }
1452
1453         return list;
1454 }
1455
1456 /**
1457  * \param arg_exec Binary (argv0)
1458  * \param remote_list Evaluated and recognized remote commands
1459  * \param path The current path
1460  * \param cmd_list List of all non collections in Path
1461  * \param collection_list List of all collections in argv
1462  */
1463 void remote_control(const gchar *arg_exec, GList *remote_list, const gchar *path,
1464                     GList *cmd_list, GList *collection_list)
1465 {
1466         RemoteConnection *rc;
1467         gboolean started = FALSE;
1468         gchar *buf;
1469
1470         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1471         rc = remote_client_open(buf);
1472         if (!rc)
1473                 {
1474                 GString *command;
1475                 GList *work;
1476                 gint retry_count = 12;
1477                 gboolean blank = FALSE;
1478
1479                 printf_term(FALSE, _("Remote %s not running, starting..."), GQ_APPNAME);
1480
1481                 command = g_string_new(arg_exec);
1482
1483                 work = remote_list;
1484                 while (work)
1485                         {
1486                         gchar *text;
1487                         RemoteCommandEntry *entry;
1488
1489                         text = work->data;
1490                         work = work->next;
1491
1492                         entry = remote_command_find(text, NULL);
1493                         if (entry)
1494                                 {
1495                                 /* If Geeqie is not running, stop the --new-window command opening a second window */
1496                                 if (g_strcmp0(text, "--new-window") == 0)
1497                                         {
1498                                         remote_list = g_list_remove(remote_list, text);
1499                                         }
1500                                 if (entry->prefer_command_line)
1501                                         {
1502                                         remote_list = g_list_remove(remote_list, text);
1503                                         g_string_append(command, " ");
1504                                         g_string_append(command, text);
1505                                         }
1506                                 if (entry->opt_l && strcmp(entry->opt_l, "file:") == 0)
1507                                         {
1508                                         blank = TRUE;
1509                                         }
1510                                 }
1511                         }
1512
1513                 if (blank || cmd_list || path) g_string_append(command, " --blank");
1514                 if (get_debug_level()) g_string_append(command, " --debug");
1515
1516                 g_string_append(command, " &");
1517                 runcmd(command->str);
1518                 g_string_free(command, TRUE);
1519
1520                 while (!rc && retry_count > 0)
1521                         {
1522                         usleep((retry_count > 10) ? 500000 : 1000000);
1523                         rc = remote_client_open(buf);
1524                         if (!rc) print_term(FALSE, ".");
1525                         retry_count--;
1526                         }
1527
1528                 print_term(FALSE, "\n");
1529
1530                 started = TRUE;
1531                 }
1532         g_free(buf);
1533
1534         if (rc)
1535                 {
1536                 GList *work;
1537                 const gchar *prefix;
1538                 gboolean use_path = TRUE;
1539                 gboolean sent = FALSE;
1540
1541                 work = remote_list;
1542                 while (work)
1543                         {
1544                         gchar *text;
1545                         RemoteCommandEntry *entry;
1546
1547                         text = work->data;
1548                         work = work->next;
1549
1550                         entry = remote_command_find(text, NULL);
1551                         if (entry &&
1552                             entry->opt_l &&
1553                             strcmp(entry->opt_l, "file:") == 0) use_path = FALSE;
1554
1555                         remote_client_send(rc, text);
1556
1557                         sent = TRUE;
1558                         }
1559
1560                 if (cmd_list && cmd_list->next)
1561                         {
1562                         prefix = "--list-add:";
1563                         remote_client_send(rc, "--list-clear");
1564                         }
1565                 else
1566                         {
1567                         prefix = "file:";
1568                         }
1569
1570                 work = cmd_list;
1571                 while (work)
1572                         {
1573                         FileData *fd;
1574                         gchar *text;
1575
1576                         fd = work->data;
1577                         work = work->next;
1578
1579                         text = g_strconcat(prefix, fd->path, NULL);
1580                         remote_client_send(rc, text);
1581                         g_free(text);
1582
1583                         sent = TRUE;
1584                         }
1585
1586                 if (path && !cmd_list && use_path)
1587                         {
1588                         gchar *text;
1589
1590                         text = g_strdup_printf("file:%s", path);
1591                         remote_client_send(rc, text);
1592                         g_free(text);
1593
1594                         sent = TRUE;
1595                         }
1596
1597                 work = collection_list;
1598                 while (work)
1599                         {
1600                         const gchar *name;
1601                         gchar *text;
1602
1603                         name = work->data;
1604                         work = work->next;
1605
1606                         text = g_strdup_printf("file:%s", name);
1607                         remote_client_send(rc, text);
1608                         g_free(text);
1609
1610                         sent = TRUE;
1611                         }
1612
1613                 if (!started && !sent)
1614                         {
1615                         remote_client_send(rc, "raise");
1616                         }
1617                 }
1618         else
1619                 {
1620                 print_term(TRUE, _("Remote not available\n"));
1621                 }
1622
1623         _exit(0);
1624 }
1625
1626 RemoteConnection *remote_server_init(gchar *path, CollectionData *command_collection)
1627 {
1628         RemoteConnection *remote_connection = remote_server_open(path);
1629         RemoteData *remote_data = g_new(RemoteData, 1);
1630
1631         remote_data->command_collection = command_collection;
1632
1633         remote_server_subscribe(remote_connection, remote_cb, remote_data);
1634         return remote_connection;
1635 }
1636 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */