src/remote.cc

   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-image.h"
  34 #include "layout-util.h"
  35 #include "misc.h"
  36 #include "pixbuf-renderer.h"
  37 #include "slideshow.h"
  38 #include "ui-fileops.h"
  39 #include "rcfile.h"
  40 #include "view-file.h"
  41
  42 #include <sys/socket.h>
  43 #include <sys/un.h>
  44 #include <signal.h>
  45
  46 #include "glua.h"
  47
  48 #define SERVER_MAX_CLIENTS 8
  49
  50 #define REMOTE_SERVER_BACKLOG 4
  51
  52
  53 #ifndef UNIX_PATH_MAX
  54 #define UNIX_PATH_MAX 108
  55 #endif
  56
  57
  58 static RemoteConnection *remote_client_open(const gchar *path);
  59 static gint remote_client_send(RemoteConnection *rc, const gchar *text);
  60 static void gr_raise(const gchar *text, GIOChannel *channel, gpointer data);
  61
  62 static LayoutWindow *lw_id = NULL; /* points to the window set by the --id option */
  63
  64 typedef struct _RemoteClient RemoteClient;
  65 struct _RemoteClient {
  66         gint fd;
  67         guint channel_id; /* event source id */
  68         RemoteConnection *rc;
  69 };
  70
  71 typedef struct _RemoteData RemoteData;
  72 struct _RemoteData {
  73         CollectionData *command_collection;
  74         GList *file_list;
  75         gboolean single_dir;
  76 };
  77
  78 /* To enable file names containing newlines to be processed correctly,
  79  * the --print0 remote option sets returned data to be terminated with a null
  80  * character rather a newline
  81  */
  82 static gboolean print0 = FALSE;
  83
  84 /* Remote commands from main.cc are prepended with the current dir the remote
  85  * command was made from. Some remote commands require this. The
  86  * value is stored here
  87  */
  88 static gchar *pwd = NULL;
  89
  90 /**
  91  * @brief Ensures file path is absolute.
  92  * @param[in] filename Filepath, absolute or relative to calling directory
  93  * @returns absolute path
  94  *
  95  * If first character of input filepath is not the directory
  96  * separator, assume it as a relative path and prepend
  97  * the directory the remote command was initiated from
  98  *
  99  * Return value must be freed with g_free()
 100  */
 101 static gchar *set_pwd(gchar *filename)
 102 {
 103         gchar *temp;
 104
 105         if (strncmp(filename, G_DIR_SEPARATOR_S, 1) != 0)
 106                 {
 107                 temp = g_build_filename(pwd, filename, NULL);
 108                 }
 109         else
 110                 {
 111                 temp = g_strdup(filename);
 112                 }
 113
 114         return temp;
 115 }
 116
 117 static gboolean remote_server_client_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 118 {
 119         RemoteClient *client = data;
 120         RemoteConnection *rc;
 121         GIOStatus status = G_IO_STATUS_NORMAL;
 122
 123         lw_id = NULL;
 124         rc = client->rc;
 125
 126         if (condition & G_IO_IN)
 127                 {
 128                 gchar *buffer = NULL;
 129                 GError *error = NULL;
 130                 gsize termpos;
 131                 /** @FIXME it should be possible to terminate the command with a null character */
 132                 g_io_channel_set_line_term(source, "<gq_end_of_command>", -1);
 133                 while ((status = g_io_channel_read_line(source, &buffer, NULL, &termpos, &error)) == G_IO_STATUS_NORMAL)
 134                         {
 135                         if (buffer)
 136                                 {
 137                                 buffer[termpos] = '\0';
 138
 139                                 if (strlen(buffer) > 0)
 140                                         {
 141                                         if (rc->read_func) rc->read_func(rc, buffer, source, rc->read_data);
 142                                         g_io_channel_write_chars(source, "<gq_end_of_command>", -1, NULL, NULL); /* empty line finishes the command */
 143                                         g_io_channel_flush(source, NULL);
 144                                         }
 145                                 g_free(buffer);
 146
 147                                 buffer = NULL;
 148                                 }
 149                         }
 150
 151                 if (error)
 152                         {
 153                         log_printf("error reading socket: %s\n", error->message);
 154                         g_error_free(error);
 155                         }
 156                 }
 157
 158         if (condition & G_IO_HUP || status == G_IO_STATUS_EOF || status == G_IO_STATUS_ERROR)
 159                 {
 160                 rc->clients = g_list_remove(rc->clients, client);
 161
 162                 DEBUG_1("HUP detected, closing client.");
 163                 DEBUG_1("client count %d", g_list_length(rc->clients));
 164
 165                 g_source_remove(client->channel_id);
 166                 close(client->fd);
 167                 g_free(client);
 168                 }
 169
 170         return TRUE;
 171 }
 172
 173 static void remote_server_client_add(RemoteConnection *rc, gint fd)
 174 {
 175         RemoteClient *client;
 176         GIOChannel *channel;
 177
 178         if (g_list_length(rc->clients) > SERVER_MAX_CLIENTS)
 179                 {
 180                 log_printf("maximum remote clients of %d exceeded, closing connection\n", SERVER_MAX_CLIENTS);
 181                 close(fd);
 182                 return;
 183                 }
 184
 185         client = g_new0(RemoteClient, 1);
 186         client->rc = rc;
 187         client->fd = fd;
 188
 189         channel = g_io_channel_unix_new(fd);
 190         client->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN | G_IO_HUP,
 191                                                  remote_server_client_cb, client, NULL);
 192         g_io_channel_unref(channel);
 193
 194         rc->clients = g_list_append(rc->clients, client);
 195         DEBUG_1("client count %d", g_list_length(rc->clients));
 196 }
 197
 198 static void remote_server_clients_close(RemoteConnection *rc)
 199 {
 200         while (rc->clients)
 201                 {
 202                 RemoteClient *client = rc->clients->data;
 203
 204                 rc->clients = g_list_remove(rc->clients, client);
 205
 206                 g_source_remove(client->channel_id);
 207                 close(client->fd);
 208                 g_free(client);
 209                 }
 210 }
 211
 212 static gboolean remote_server_read_cb(GIOChannel *UNUSED(source), GIOCondition UNUSED(condition), gpointer data)
 213 {
 214         RemoteConnection *rc = data;
 215         gint fd;
 216         guint alen;
 217
 218         fd = accept(rc->fd, NULL, &alen);
 219         if (fd == -1)
 220                 {
 221                 log_printf("error accepting socket: %s\n", strerror(errno));
 222                 return TRUE;
 223                 }
 224
 225         remote_server_client_add(rc, fd);
 226
 227         return TRUE;
 228 }
 229
 230 gboolean remote_server_exists(const gchar *path)
 231 {
 232         RemoteConnection *rc;
 233
 234         /* verify server up */
 235         rc = remote_client_open(path);
 236         remote_close(rc);
 237
 238         if (rc) return TRUE;
 239
 240         /* unable to connect, remove socket file to free up address */
 241         unlink(path);
 242         return FALSE;
 243 }
 244
 245 static RemoteConnection *remote_server_open(const gchar *path)
 246 {
 247         RemoteConnection *rc;
 248         struct sockaddr_un addr;
 249         gint sun_path_len;
 250         gint fd;
 251         GIOChannel *channel;
 252
 253         if (remote_server_exists(path))
 254                 {
 255                 log_printf("Address already in use: %s\n", path);
 256                 return NULL;
 257                 }
 258
 259         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 260         if (fd == -1) return NULL;
 261
 262         addr.sun_family = AF_UNIX;
 263         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 264         strncpy(addr.sun_path, path, sun_path_len);
 265         if (bind(fd, (const struct sockaddr*)&addr, sizeof(addr)) == -1 ||
 266             listen(fd, REMOTE_SERVER_BACKLOG) == -1)
 267                 {
 268                 log_printf("error subscribing to socket: %s\n", strerror(errno));
 269                 close(fd);
 270                 return NULL;
 271                 }
 272
 273         rc = g_new0(RemoteConnection, 1);
 274
 275         rc->server = TRUE;
 276         rc->fd = fd;
 277         rc->path = g_strdup(path);
 278
 279         channel = g_io_channel_unix_new(rc->fd);
 280         g_io_channel_set_flags(channel, G_IO_FLAG_NONBLOCK, NULL);
 281
 282         rc->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN,
 283                                              remote_server_read_cb, rc, NULL);
 284         g_io_channel_unref(channel);
 285
 286         return rc;
 287 }
 288
 289 static void remote_server_subscribe(RemoteConnection *rc, RemoteReadFunc *func, gpointer data)
 290 {
 291         if (!rc || !rc->server) return;
 292
 293         rc->read_func = func;
 294         rc->read_data = data;
 295 }
 296
 297
 298 static RemoteConnection *remote_client_open(const gchar *path)
 299 {
 300         RemoteConnection *rc;
 301         struct stat st;
 302         struct sockaddr_un addr;
 303         gint sun_path_len;
 304         gint fd;
 305
 306         if (stat(path, &st) != 0 || !S_ISSOCK(st.st_mode)) return NULL;
 307
 308         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 309         if (fd == -1) return NULL;
 310
 311         addr.sun_family = AF_UNIX;
 312         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 313         strncpy(addr.sun_path, path, sun_path_len);
 314         if (connect(fd, (struct sockaddr*)&addr, sizeof(addr)) == -1)
 315                 {
 316                 DEBUG_1("error connecting to socket: %s", strerror(errno));
 317                 close(fd);
 318                 return NULL;
 319                 }
 320
 321         rc = g_new0(RemoteConnection, 1);
 322         rc->server = FALSE;
 323         rc->fd = fd;
 324         rc->path = g_strdup(path);
 325
 326         return rc;
 327 }
 328
 329 static sig_atomic_t sigpipe_occurred = FALSE;
 330
 331 static void sighandler_sigpipe(gint UNUSED(sig))
 332 {
 333         sigpipe_occurred = TRUE;
 334 }
 335
 336 static gboolean remote_client_send(RemoteConnection *rc, const gchar *text)
 337 {
 338         struct sigaction new_action, old_action;
 339         gboolean ret = FALSE;
 340         GError *error = NULL;
 341         GIOChannel *channel;
 342
 343         if (!rc || rc->server) return FALSE;
 344         if (!text) return TRUE;
 345
 346         sigpipe_occurred = FALSE;
 347
 348         new_action.sa_handler = sighandler_sigpipe;
 349         sigemptyset(&new_action.sa_mask);
 350         new_action.sa_flags = 0;
 351
 352         /* setup our signal handler */
 353         sigaction(SIGPIPE, &new_action, &old_action);
 354
 355         channel = g_io_channel_unix_new(rc->fd);
 356
 357         g_io_channel_write_chars(channel, text, -1, NULL, &error);
 358         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, &error);
 359         g_io_channel_flush(channel, &error);
 360
 361         if (error)
 362                 {
 363                 log_printf("error reading socket: %s\n", error->message);
 364                 g_error_free(error);
 365                 ret = FALSE;;
 366                 }
 367         else
 368                 {
 369                 ret = TRUE;
 370                 }
 371
 372         if (ret)
 373                 {
 374                 gchar *buffer = NULL;
 375                 gsize termpos;
 376                 g_io_channel_set_line_term(channel, "<gq_end_of_command>", -1);
 377                 while (g_io_channel_read_line(channel, &buffer, NULL, &termpos, &error) == G_IO_STATUS_NORMAL)
 378                         {
 379                         if (buffer)
 380                                 {
 381                                 if (g_strstr_len(buffer, -1, "<gq_end_of_command>") == buffer) /* empty line finishes the command */
 382                                         {
 383                                         g_free(buffer);
 384                                         fflush(stdout);
 385                                         break;
 386                                         }
 387                                 buffer[termpos] = '\0';
 388                                 if (g_strstr_len(buffer, -1, "print0") != 0)
 389                                         {
 390                                         print0 = TRUE;
 391                                         }
 392                                 else
 393                                         {
 394                                         if (print0)
 395                                                 {
 396                                                 printf("%s%c", buffer, 0);
 397                                                 }
 398                                         else
 399                                                 {
 400                                                 printf("%s\n", buffer);
 401                                                 }
 402                                         }
 403                                 g_free(buffer);
 404                                 buffer = NULL;
 405                                 }
 406                         }
 407
 408                 if (error)
 409                         {
 410                         log_printf("error reading socket: %s\n", error->message);
 411                         g_error_free(error);
 412                         ret = FALSE;
 413                         }
 414                 }
 415
 416
 417         /* restore the original signal handler */
 418         sigaction(SIGPIPE, &old_action, NULL);
 419         g_io_channel_unref(channel);
 420         return ret;
 421 }
 422
 423 void remote_close(RemoteConnection *rc)
 424 {
 425         if (!rc) return;
 426
 427         if (rc->server)
 428                 {
 429                 remote_server_clients_close(rc);
 430
 431                 g_source_remove(rc->channel_id);
 432                 unlink(rc->path);
 433                 }
 434
 435         if (rc->read_data)
 436                 g_free(rc->read_data);
 437
 438         close(rc->fd);
 439
 440         g_free(rc->path);
 441         g_free(rc);
 442 }
 443
 444 /*
 445  *-----------------------------------------------------------------------------
 446  * remote functions
 447  *-----------------------------------------------------------------------------
 448  */
 449
 450 static void gr_image_next(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 451 {
 452         layout_image_next(lw_id);
 453 }
 454
 455 static void gr_new_window(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 456 {
 457         LayoutWindow *lw = NULL;
 458
 459         if (!layout_valid(&lw)) return;
 460
 461         lw_id = layout_new_from_default();
 462
 463         layout_set_path(lw_id, pwd);
 464 }
 465
 466 static gboolean gr_close_window_cb()
 467 {
 468         if (!layout_valid(&lw_id)) return FALSE;
 469
 470         layout_menu_close_cb(NULL, lw_id);
 471
 472         return FALSE;
 473 }
 474
 475 static void gr_close_window(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 476 {
 477         g_idle_add(gr_close_window_cb, NULL);
 478 }
 479
 480 static void gr_image_prev(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 481 {
 482         layout_image_prev(lw_id);
 483 }
 484
 485 static void gr_image_first(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 486 {
 487         layout_image_first(lw_id);
 488 }
 489
 490 static void gr_image_last(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 491 {
 492         layout_image_last(lw_id);
 493 }
 494
 495 static void gr_fullscreen_toggle(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 496 {
 497         layout_image_full_screen_toggle(lw_id);
 498 }
 499
 500 static void gr_fullscreen_start(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 501 {
 502         layout_image_full_screen_start(lw_id);
 503 }
 504
 505 static void gr_fullscreen_stop(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 506 {
 507         layout_image_full_screen_stop(lw_id);
 508 }
 509
 510 static void gr_lw_id(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 511 {
 512         lw_id = layout_find_by_layout_id(text);
 513         if (!lw_id)
 514                 {
 515                 log_printf("remote sent window ID that does not exist:\"%s\"\n",text);
 516                 }
 517         layout_valid(&lw_id);
 518 }
 519
 520 static void gr_slideshow_start_rec(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 521 {
 522         GList *list;
 523         gchar *tilde_filename;
 524
 525         tilde_filename = expand_tilde(text);
 526
 527         FileData *dir_fd = file_data_new_dir(tilde_filename);
 528         g_free(tilde_filename);
 529
 530         layout_valid(&lw_id);
 531         list = filelist_recursive_full(dir_fd, lw_id->sort_method, lw_id->sort_ascend);
 532         file_data_unref(dir_fd);
 533         if (!list) return;
 534 //printf("length: %d\n", g_list_length(list));
 535         layout_image_slideshow_stop(lw_id);
 536         layout_image_slideshow_start_from_list(lw_id, list);
 537 }
 538
 539 static void gr_cache_thumb(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 540 {
 541         if (!g_strcmp0(text, "clear"))
 542                 {
 543                 cache_maintain_home_remote(FALSE, TRUE, NULL);
 544                 }
 545         else if (!g_strcmp0(text, "clean"))
 546                 {
 547                 cache_maintain_home_remote(FALSE, FALSE, NULL);
 548                 }
 549 }
 550
 551 static void gr_cache_shared(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 552 {
 553         if (!g_strcmp0(text, "clear"))
 554                 cache_manager_standard_process_remote(TRUE);
 555         else if (!g_strcmp0(text, "clean"))
 556                 cache_manager_standard_process_remote(FALSE);
 557 }
 558
 559 static void gr_cache_metadata(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 560 {
 561         cache_maintain_home_remote(TRUE, FALSE, NULL);
 562 }
 563
 564 static void gr_cache_render(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 565 {
 566         cache_manager_render_remote(text, FALSE, FALSE, NULL);
 567 }
 568
 569 static void gr_cache_render_recurse(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 570 {
 571         cache_manager_render_remote(text, TRUE, FALSE, NULL);
 572 }
 573
 574 static void gr_cache_render_standard(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 575 {
 576         if(options->thumbnails.spec_standard)
 577                 {
 578                 cache_manager_render_remote(text, FALSE, TRUE, NULL);
 579                 }
 580 }
 581
 582 static void gr_cache_render_standard_recurse(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 583 {
 584         if(options->thumbnails.spec_standard)
 585                 {
 586                 cache_manager_render_remote(text, TRUE, TRUE, NULL);
 587                 }
 588 }
 589
 590 static void gr_slideshow_toggle(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 591 {
 592         layout_image_slideshow_toggle(lw_id);
 593 }
 594
 595 static void gr_slideshow_start(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 596 {
 597         layout_image_slideshow_start(lw_id);
 598 }
 599
 600 static void gr_slideshow_stop(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 601 {
 602         layout_image_slideshow_stop(lw_id);
 603 }
 604
 605 static void gr_slideshow_delay(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 606 {
 607         gdouble t1, t2, t3, n;
 608         gint res;
 609
 610         res = sscanf(text, "%lf:%lf:%lf", &t1, &t2, &t3);
 611         if (res == 3)
 612                 {
 613                 n = (t1 * 3600) + (t2 * 60) + t3;
 614                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS ||
 615                                 t1 >= 24 || t2 >= 60 || t3 >= 60)
 616                         {
 617                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 618                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 619                         return;
 620                         }
 621                 }
 622         else if (res == 2)
 623                 {
 624                 n = t1 * 60 + t2;
 625                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS ||
 626                                 t1 >= 60 || t2 >= 60)
 627                         {
 628                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 629                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 630                         return;
 631                         }
 632                 }
 633         else if (res == 1)
 634                 {
 635                 n = t1;
 636                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS)
 637                         {
 638                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 639                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 640                         return;
 641                         }
 642                 }
 643         else
 644                 {
 645                 n = 0;
 646                 }
 647
 648         options->slideshow.delay = (gint)(n * 10.0 + 0.01);
 649 }
 650
 651 static void gr_tools_show(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 652 {
 653         gboolean popped;
 654         gboolean hidden;
 655
 656         if (layout_tools_float_get(lw_id, &popped, &hidden) && hidden)
 657                 {
 658                 layout_tools_float_set(lw_id, popped, FALSE);
 659                 }
 660 }
 661
 662 static void gr_tools_hide(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 663 {
 664         gboolean popped;
 665         gboolean hidden;
 666
 667         if (layout_tools_float_get(lw_id, &popped, &hidden) && !hidden)
 668                 {
 669                 layout_tools_float_set(lw_id, popped, TRUE);
 670                 }
 671 }
 672
 673 static gboolean gr_quit_idle_cb(gpointer UNUSED(data))
 674 {
 675         exit_program();
 676
 677         return FALSE;
 678 }
 679
 680 static void gr_quit(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 681 {
 682         /* schedule exit when idle, if done from within a
 683          * remote handler remote_close will crash
 684          */
 685         g_idle_add(gr_quit_idle_cb, NULL);
 686 }
 687
 688 static void gr_file_load_no_raise(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 689 {
 690         gchar *filename;
 691         gchar *tilde_filename;
 692
 693         if (!download_web_file(text, TRUE, NULL))
 694                 {
 695                 tilde_filename = expand_tilde(text);
 696                 filename = set_pwd(tilde_filename);
 697
 698                 if (isfile(filename))
 699                         {
 700                         if (file_extension_match(filename, GQ_COLLECTION_EXT))
 701                                 {
 702                                 collection_window_new(filename);
 703                                 }
 704                         else
 705                                 {
 706                                 layout_set_path(lw_id, filename);
 707                                 }
 708                         }
 709                 else if (isdir(filename))
 710                         {
 711                         layout_set_path(lw_id, filename);
 712                         }
 713                 else
 714                         {
 715                         log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
 716                         layout_set_path(lw_id, homedir());
 717                         }
 718
 719                 g_free(filename);
 720                 g_free(tilde_filename);
 721                 }
 722 }
 723
 724 static void gr_file_load(const gchar *text, GIOChannel *channel, gpointer data)
 725 {
 726         gr_file_load_no_raise(text, channel, data);
 727
 728         gr_raise(text, channel, data);
 729 }
 730
 731 static void gr_pixel_info(const gchar *UNUSED(text), GIOChannel *channel, gpointer UNUSED(data))
 732 {
 733         gchar *pixel_info;
 734         gint x_pixel, y_pixel;
 735         gint width, height;
 736         gint r_mouse, g_mouse, b_mouse;
 737         PixbufRenderer *pr;
 738
 739         if (!layout_valid(&lw_id)) return;
 740
 741         pr = (PixbufRenderer*)lw_id->image->pr;
 742
 743         if (pr)
 744                 {
 745                 pixbuf_renderer_get_image_size(pr, &width, &height);
 746                 if (width < 1 || height < 1) return;
 747
 748                 pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
 749
 750                 if (x_pixel >= 0 && y_pixel >= 0)
 751                         {
 752                         pixbuf_renderer_get_pixel_colors(pr, x_pixel, y_pixel,
 753                                                          &r_mouse, &g_mouse, &b_mouse);
 754
 755                         pixel_info = g_strdup_printf(_("[%d,%d]: RGB(%3d,%3d,%3d)"),
 756                                                  x_pixel, y_pixel,
 757                                                  r_mouse, g_mouse, b_mouse);
 758
 759                         g_io_channel_write_chars(channel, pixel_info, -1, NULL, NULL);
 760                         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 761
 762                         g_free(pixel_info);
 763                         }
 764                 else
 765                         {
 766                         return;
 767                         }
 768                 }
 769         else
 770                 {
 771                 return;
 772                 }
 773 }
 774
 775 static void gr_rectangle(const gchar *UNUSED(text), GIOChannel *channel, gpointer UNUSED(data))
 776 {
 777         gchar *rectangle_info;
 778         PixbufRenderer *pr;
 779         gint x1, y1, x2, y2;
 780
 781         if (!options->draw_rectangle) return;
 782         if (!layout_valid(&lw_id)) return;
 783
 784         pr = (PixbufRenderer*)lw_id->image->pr;
 785
 786         if (pr)
 787                 {
 788                 image_get_rectangle(&x1, &y1, &x2, &y2);
 789                 rectangle_info = g_strdup_printf(_("%dx%d+%d+%d"),
 790                                         (x2 > x1) ? x2 - x1 : x1 - x2,
 791                                         (y2 > y1) ? y2 - y1 : y1 - y2,
 792                                         (x2 > x1) ? x1 : x2,
 793                                         (y2 > y1) ? y1 : y2);
 794
 795                 g_io_channel_write_chars(channel, rectangle_info, -1, NULL, NULL);
 796                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 797
 798                 g_free(rectangle_info);
 799                 }
 800 }
 801
 802 static void gr_render_intent(const gchar *UNUSED(text), GIOChannel *channel, gpointer UNUSED(data))
 803 {
 804         gchar *render_intent;
 805
 806         switch (options->color_profile.render_intent)
 807                 {
 808                 case 0:
 809                         render_intent = g_strdup("Perceptual");
 810                         break;
 811                 case 1:
 812                         render_intent = g_strdup("Relative Colorimetric");
 813                         break;
 814                 case 2:
 815                         render_intent = g_strdup("Saturation");
 816                         break;
 817                 case 3:
 818                         render_intent = g_strdup("Absolute Colorimetric");
 819                         break;
 820                 default:
 821                         render_intent = g_strdup("none");
 822                         break;
 823                 }
 824
 825         g_io_channel_write_chars(channel, render_intent, -1, NULL, NULL);
 826         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 827
 828         g_free(render_intent);
 829 }
 830
 831 static void get_filelist(const gchar *text, GIOChannel *channel, gboolean recurse)
 832 {
 833         GList *list = NULL;
 834         FileFormatClass format_class;
 835         FileData *dir_fd;
 836         FileData *fd;
 837         GString *out_string = g_string_new(NULL);
 838         GList *work;
 839         gchar *tilde_filename;
 840
 841         if (strcmp(text, "") == 0)
 842                 {
 843                 if (layout_valid(&lw_id))
 844                         {
 845                         dir_fd = file_data_new_dir(lw_id->dir_fd->path);
 846                         }
 847                 else
 848                         {
 849                         return;
 850                         }
 851                 }
 852         else
 853                 {
 854                 tilde_filename = expand_tilde(text);
 855                 if (isdir(tilde_filename))
 856                         {
 857                         dir_fd = file_data_new_dir(tilde_filename);
 858                         }
 859                 else
 860                         {
 861                         g_free(tilde_filename);
 862                         return;
 863                         }
 864                 g_free(tilde_filename);
 865                 }
 866
 867         if (recurse)
 868                 {
 869                 list = filelist_recursive(dir_fd);
 870                 }
 871         else
 872                 {
 873                 filelist_read(dir_fd, &list, NULL);
 874                 }
 875
 876         work = list;
 877         while (work)
 878                 {
 879                 fd = work->data;
 880                 g_string_append_printf(out_string, "%s", fd->path);
 881                 format_class = filter_file_get_class(fd->path);
 882
 883                 switch (format_class)
 884                         {
 885                         case FORMAT_CLASS_IMAGE:
 886                                 out_string = g_string_append(out_string, "    Class: Image");
 887                                 break;
 888                         case FORMAT_CLASS_RAWIMAGE:
 889                                 out_string = g_string_append(out_string, "    Class: RAW image");
 890                                 break;
 891                         case FORMAT_CLASS_META:
 892                                 out_string = g_string_append(out_string, "    Class: Metadata");
 893                                 break;
 894                         case FORMAT_CLASS_VIDEO:
 895                                 out_string = g_string_append(out_string, "    Class: Video");
 896                                 break;
 897                         case FORMAT_CLASS_COLLECTION:
 898                                 out_string = g_string_append(out_string, "    Class: Collection");
 899                                 break;
 900                         case FORMAT_CLASS_DOCUMENT:
 901                                 out_string = g_string_append(out_string, "    Class: Document");
 902                                 break;
 903                         case FORMAT_CLASS_ARCHIVE:
 904                                 out_string = g_string_append(out_string, "    Class: Archive");
 905                                 break;
 906                         case FORMAT_CLASS_UNKNOWN:
 907                                 out_string = g_string_append(out_string, "    Class: Unknown");
 908                                 break;
 909                         default:
 910                                 out_string = g_string_append(out_string, "    Class: Unknown");
 911                                 break;
 912                         }
 913                 out_string = g_string_append(out_string, "\n");
 914                 work = work->next;
 915                 }
 916
 917         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
 918         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 919
 920         g_string_free(out_string, TRUE);
 921         filelist_free(list);
 922         file_data_unref(dir_fd);
 923 }
 924
 925 static void gr_get_selection(const gchar *UNUSED(text), GIOChannel *channel, gboolean UNUSED(data))
 926 {
 927         if (!layout_valid(&lw_id)) return;
 928
 929         GList *selected = layout_selection_list(lw_id);  // Keep copy to free.
 930         GString *out_string = g_string_new(NULL);
 931
 932         GList *work = selected;
 933         while (work)
 934                 {
 935                 FileData *fd = work->data;
 936                 g_assert(fd->magick == FD_MAGICK);
 937
 938                 g_string_append_printf(out_string, "%s    %s\n",
 939                                        fd->path,
 940                                        format_class_list[filter_file_get_class(fd->path)]);
 941
 942                 work = work->next;
 943                 }
 944
 945         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
 946         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 947
 948         filelist_free(selected);
 949         g_string_free(out_string, TRUE);
 950 }
 951
 952 static void gr_selection_add(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
 953 {
 954         if (!layout_valid(&lw_id)) return;
 955
 956         FileData *fd_to_select = NULL;
 957         if (strcmp(text, "") == 0)
 958                 {
 959                 // No file specified, use current fd.
 960                 fd_to_select = layout_image_get_fd(lw_id);
 961                 }
 962         else
 963                 {
 964                 // Search through the current file list for a file matching the specified path.
 965                 // "Match" is either a basename match or a file path match.
 966                 gchar *path = expand_tilde(text);
 967                 gchar *filename = g_path_get_basename(path);
 968                 gchar *slash_plus_filename = g_strdup_printf("%s%s", G_DIR_SEPARATOR_S, filename);
 969
 970                 GList *file_list = layout_list(lw_id);
 971                 for (GList *work = file_list; work && !fd_to_select; work = work->next)
 972                         {
 973                         FileData *fd = work->data;
 974                         if (!strcmp(path, fd->path) || g_str_has_suffix(fd->path, slash_plus_filename))
 975                                 {
 976                                 fd_to_select = file_data_ref(fd);
 977                                 continue;  // will exit loop.
 978                                 }
 979
 980                         for (GList *sidecar = fd->sidecar_files; sidecar && !fd_to_select; sidecar = sidecar->next)
 981                                 {
 982                                 FileData *side_fd = sidecar->data;
 983                                 if (!strcmp(path, side_fd->path)
 984                                     || g_str_has_suffix(side_fd->path, slash_plus_filename))
 985                                         {
 986                                         fd_to_select = file_data_ref(side_fd);
 987                                         continue;  // will exit both nested loops.
 988                                         }
 989                                 }
 990                         }
 991
 992                 if (!fd_to_select)
 993                         {
 994                         log_printf("remote sent --selection-add filename that could not be found: \"%s\"\n",
 995                                    filename);
 996                         }
 997
 998                 filelist_free(file_list);
 999                 g_free(slash_plus_filename);
1000                 g_free(filename);
1001                 g_free(path);
1002                 }
1003
1004         if (fd_to_select)
1005                 {
1006                 GList *to_select = g_list_append(NULL, fd_to_select);
1007                 // Using the "_list" variant doesn't clear the existing selection.
1008                 layout_select_list(lw_id, to_select);
1009                 filelist_free(to_select);
1010                 }
1011 }
1012
1013 static void gr_selection_clear(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
1014 {
1015         layout_select_none(lw_id);  // Checks lw_id validity internally.
1016 }
1017
1018 static void gr_collection(const gchar *text, GIOChannel *channel, gpointer UNUSED(data))
1019 {
1020         GString *contents = g_string_new(NULL);
1021
1022         if (is_collection(text))
1023                 {
1024                 collection_contents(text, &contents);
1025                 }
1026         else
1027                 {
1028                 return;
1029                 }
1030
1031         g_io_channel_write_chars(channel, contents->str, -1, NULL, NULL);
1032         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1033
1034         g_string_free(contents, TRUE);
1035 }
1036
1037 static void gr_collection_list(const gchar *UNUSED(text), GIOChannel *channel, gpointer UNUSED(data))
1038 {
1039
1040         GList *collection_list = NULL;
1041         GList *work;
1042         GString *out_string = g_string_new(NULL);
1043
1044         collect_manager_list(&collection_list, NULL, NULL);
1045
1046         work = collection_list;
1047         while (work)
1048                 {
1049                 const gchar *collection_name = work->data;
1050                 out_string = g_string_append(out_string, g_strdup(collection_name));
1051                 out_string = g_string_append(out_string, "\n");
1052
1053                 work = work->next;
1054                 }
1055
1056         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
1057         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1058
1059         string_list_free(collection_list);
1060         g_string_free(out_string, TRUE);
1061 }
1062
1063 static gboolean wait_cb(const gpointer data)
1064 {
1065         gint position = GPOINTER_TO_INT(data);
1066         gint x = position >> 16;
1067         gint y = position - (x << 16);
1068
1069         gtk_window_move(GTK_WINDOW(lw_id->window), x, y);
1070
1071         return FALSE;
1072 }
1073
1074 static void gr_geometry(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
1075 {
1076         gchar **geometry;
1077
1078         if (!layout_valid(&lw_id) || !text)
1079                 {
1080                 return;
1081                 }
1082
1083         if (text[0] == '+')
1084                 {
1085                 geometry = g_strsplit_set(text, "+", 3);
1086                 if (geometry[1] != NULL && geometry[2] != NULL )
1087                         {
1088                         gtk_window_move(GTK_WINDOW(lw_id->window), atoi(geometry[1]), atoi(geometry[2]));
1089                         }
1090                 }
1091         else
1092                 {
1093                 geometry = g_strsplit_set(text, "+x", 4);
1094                 if (geometry[0] != NULL && geometry[1] != NULL)
1095                         {
1096                         gtk_window_resize(GTK_WINDOW(lw_id->window), atoi(geometry[0]), atoi(geometry[1]));
1097                         }
1098                 if (geometry[2] != NULL && geometry[3] != NULL)
1099                         {
1100                         /* There is an occasional problem with a window_move immediately after a window_resize */
1101                         g_idle_add(wait_cb, GINT_TO_POINTER((atoi(geometry[2]) << 16) + atoi(geometry[3])));
1102                         }
1103                 }
1104         g_strfreev(geometry);
1105 }
1106
1107 static void gr_filelist(const gchar *text, GIOChannel *channel, gpointer UNUSED(data))
1108 {
1109         get_filelist(text, channel, FALSE);
1110 }
1111
1112 static void gr_filelist_recurse(const gchar *text, GIOChannel *channel, gpointer UNUSED(data))
1113 {
1114         get_filelist(text, channel, TRUE);
1115 }
1116
1117 static void gr_file_tell(const gchar *UNUSED(text), GIOChannel *channel, gpointer UNUSED(data))
1118 {
1119         gchar *out_string;
1120         gchar *collection_name = NULL;
1121
1122         if (!layout_valid(&lw_id)) return;
1123
1124         if (image_get_path(lw_id->image))
1125                 {
1126                 if (lw_id->image->collection && lw_id->image->collection->name)
1127                         {
1128                         collection_name = remove_extension_from_path(lw_id->image->collection->name);
1129                         out_string = g_strconcat(image_get_path(lw_id->image), "    Collection: ", collection_name, NULL);
1130                         }
1131                 else
1132                         {
1133                         out_string = g_strconcat(image_get_path(lw_id->image), NULL);
1134                         }
1135                 }
1136         else
1137                 {
1138                 out_string = g_strconcat(lw_id->dir_fd->path, G_DIR_SEPARATOR_S, NULL);
1139                 }
1140
1141         g_io_channel_write_chars(channel, out_string, -1, NULL, NULL);
1142         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1143
1144         g_free(collection_name);
1145         g_free(out_string);
1146 }
1147
1148 static void gr_file_info(const gchar *UNUSED(text), GIOChannel *channel, gpointer UNUSED(data))
1149 {
1150         gchar *filename;
1151         FileData *fd;
1152         gchar *country_name;
1153         gchar *country_code;
1154         gchar *timezone;
1155         gchar *local_time;
1156         GString *out_string;
1157         FileFormatClass format_class;
1158
1159         if (!layout_valid(&lw_id)) return;
1160
1161         if (image_get_path(lw_id->image))
1162                 {
1163                 filename = g_strdup(image_get_path(lw_id->image));
1164                 fd = file_data_new_group(filename);
1165                 out_string = g_string_new(NULL);
1166
1167                 format_class = filter_file_get_class(image_get_path(lw_id->image));
1168                 if (format_class)
1169                         {
1170                         g_string_append_printf(out_string, _("Class: %s\n"), format_class_list[format_class]);
1171                         }
1172
1173                 if (fd->page_total > 1)
1174                         {
1175                         g_string_append_printf(out_string, _("Page no: %d/%d\n"), fd->page_num + 1, fd->page_total);
1176                         }
1177
1178                 if (fd->exif)
1179                         {
1180                         country_name = exif_get_data_as_text(fd->exif, "formatted.countryname");
1181                         if (country_name)
1182                                 {
1183                                 g_string_append_printf(out_string, _("Country name: %s\n"), country_name);
1184                                 g_free(country_name);
1185                                 }
1186
1187                         country_code = exif_get_data_as_text(fd->exif, "formatted.countrycode");
1188                         if (country_name)
1189                                 {
1190                                 g_string_append_printf(out_string, _("Country code: %s\n"), country_code);
1191                                 g_free(country_code);
1192                                 }
1193
1194                         timezone = exif_get_data_as_text(fd->exif, "formatted.timezone");
1195                         if (timezone)
1196                                 {
1197                                 g_string_append_printf(out_string, _("Timezone: %s\n"), timezone);
1198                                 g_free(timezone);
1199                                 }
1200
1201                         local_time = exif_get_data_as_text(fd->exif, "formatted.localtime");
1202                         if (local_time)
1203                                 {
1204                                 g_string_append_printf(out_string, ("Local time: %s\n"), local_time);
1205                                 g_free(local_time);
1206                                 }
1207                         }
1208
1209                 g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
1210                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1211
1212                 g_string_free(out_string, TRUE);
1213                 file_data_unref(fd);
1214                 g_free(filename);
1215                 }
1216 }
1217
1218 static gchar *config_file_path(const gchar *param)
1219 {
1220         gchar *path = NULL;
1221         gchar *full_name = NULL;
1222
1223         if (file_extension_match(param, ".xml"))
1224                 {
1225                 path = g_build_filename(get_window_layouts_dir(), param, NULL);
1226                 }
1227         else if (file_extension_match(param, NULL))
1228                 {
1229                 full_name = g_strconcat(param, ".xml", NULL);
1230                 path = g_build_filename(get_window_layouts_dir(), full_name, NULL);
1231                 }
1232
1233         if (!isfile(path))
1234                 {
1235                 g_free(path);
1236                 path = NULL;
1237                 }
1238
1239         g_free(full_name);
1240         return path;
1241 }
1242
1243 static gboolean is_config_file(const gchar *param)
1244 {
1245         gchar *name = NULL;
1246
1247         name = config_file_path(param);
1248         if (name)
1249                 {
1250                 g_free(name);
1251                 return TRUE;
1252                 }
1253         return FALSE;
1254 }
1255
1256 static void gr_config_load(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
1257 {
1258         gchar *filename = expand_tilde(text);
1259
1260         if (!g_strstr_len(filename, -1, G_DIR_SEPARATOR_S))
1261                 {
1262                 if (is_config_file(filename))
1263                         {
1264                         gchar *tmp = config_file_path(filename);
1265                         g_free(filename);
1266                         filename = tmp;
1267                         }
1268                 }
1269
1270         if (isfile(filename))
1271                 {
1272                 load_config_from_file(filename, FALSE);
1273                 }
1274         else
1275                 {
1276                 log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
1277                 layout_set_path(NULL, homedir());
1278                 }
1279
1280         g_free(filename);
1281 }
1282
1283 static void gr_get_sidecars(const gchar *text, GIOChannel *channel, gpointer UNUSED(data))
1284 {
1285         gchar *filename = expand_tilde(text);
1286         FileData *fd = file_data_new_group(filename);
1287
1288         GList *work;
1289         if (fd->parent) fd = fd->parent;
1290
1291         g_io_channel_write_chars(channel, fd->path, -1, NULL, NULL);
1292         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1293
1294         work = fd->sidecar_files;
1295
1296         while (work)
1297                 {
1298                 fd = work->data;
1299                 work = work->next;
1300                 g_io_channel_write_chars(channel, fd->path, -1, NULL, NULL);
1301                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1302                 }
1303         g_free(filename);
1304 }
1305
1306 static void gr_get_destination(const gchar *text, GIOChannel *channel, gpointer UNUSED(data))
1307 {
1308         gchar *filename = expand_tilde(text);
1309         FileData *fd = file_data_new_group(filename);
1310
1311         if (fd->change && fd->change->dest)
1312                 {
1313                 g_io_channel_write_chars(channel, fd->change->dest, -1, NULL, NULL);
1314                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1315                 }
1316         g_free(filename);
1317 }
1318
1319 static void gr_file_view(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
1320 {
1321         gchar *filename;
1322         gchar *tilde_filename = expand_tilde(text);
1323
1324         filename = set_pwd(tilde_filename);
1325
1326         view_window_new(file_data_new_group(filename));
1327         g_free(filename);
1328         g_free(tilde_filename);
1329 }
1330
1331 static void gr_list_clear(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer data)
1332 {
1333         RemoteData *remote_data = data;
1334
1335         remote_data->command_collection = NULL;
1336         remote_data->file_list = NULL;
1337         remote_data->single_dir = TRUE;
1338 }
1339
1340 static void gr_list_add(const gchar *text, GIOChannel *UNUSED(channel), gpointer data)
1341 {
1342         RemoteData *remote_data = data;
1343         gboolean is_new = TRUE;
1344         gchar *path = NULL;
1345         FileData *fd;
1346         FileData *first;
1347
1348         /** @FIXME Should check if file is in current dir, has tilde or is relative */
1349         if (!isfile(text))
1350                 {
1351                 log_printf("Warning: File does not exist --remote --list-add:%s", text);
1352
1353                 return;
1354                 }
1355
1356         /* If there is a files list on the command line
1357          * check if they are all in the same folder
1358          */
1359         if (remote_data->single_dir)
1360                 {
1361                 GList *work;
1362                 work = remote_data->file_list;
1363                 while (work && remote_data->single_dir)
1364                         {
1365                         gchar *dirname;
1366                         dirname = g_path_get_dirname(((FileData *)work->data)->path);
1367                         if (!path)
1368                                 {
1369                                 path = g_strdup(dirname);
1370                                 }
1371                         else
1372                                 {
1373                                 if (g_strcmp0(path, dirname) != 0)
1374                                         {
1375                                         remote_data->single_dir = FALSE;
1376                                         }
1377                                 }
1378                         g_free(dirname);
1379                         work = work->next;
1380                         }
1381                 g_free(path);
1382                 }
1383
1384         gchar *pathname = g_path_get_dirname(text);
1385         layout_set_path(lw_id, pathname);
1386         g_free(pathname);
1387
1388         fd = file_data_new_simple(text);
1389         remote_data->file_list = g_list_append(remote_data->file_list, fd);
1390         file_data_unref(fd);
1391
1392         vf_select_none(lw_id->vf);
1393         remote_data->file_list = g_list_reverse(remote_data->file_list);
1394
1395         layout_select_list(lw_id, remote_data->file_list);
1396         layout_refresh(lw_id);
1397         first = (FileData *)(g_list_first(vf_selection_get_list(lw_id->vf))->data);
1398         layout_set_fd(lw_id, first);
1399
1400                 CollectionData *cd;
1401                 CollectWindow *cw;
1402
1403         if (!remote_data->command_collection && !remote_data->single_dir)
1404                 {
1405                 cw = collection_window_new(NULL);
1406                 cd = cw->cd;
1407
1408                 collection_path_changed(cd);
1409
1410                 remote_data->command_collection = cd;
1411                 }
1412         else if (!remote_data->single_dir)
1413                 {
1414                 is_new = (!collection_get_first(remote_data->command_collection));
1415                 }
1416
1417         if (!remote_data->single_dir)
1418                 {
1419                 layout_image_set_collection(lw_id, remote_data->command_collection, collection_get_first(remote_data->command_collection));
1420                 if (collection_add(remote_data->command_collection, file_data_new_group(text), FALSE) && is_new)
1421                         {
1422                         layout_image_set_collection(lw_id, remote_data->command_collection, collection_get_first(remote_data->command_collection));
1423                         }
1424                 }
1425 }
1426
1427 static void gr_raise(const gchar *UNUSED(text), GIOChannel *UNUSED(channel), gpointer UNUSED(data))
1428 {
1429         if (layout_valid(&lw_id))
1430                 {
1431                 gtk_window_present(GTK_WINDOW(lw_id->window));
1432                 }
1433 }
1434
1435 static void gr_pwd(const gchar *text, GIOChannel *UNUSED(channel), gpointer UNUSED(data))
1436 {
1437         LayoutWindow *lw = NULL;
1438
1439         layout_valid(&lw);
1440
1441         g_free(pwd);
1442         pwd = g_strdup(text);
1443         lw_id = lw;
1444 }
1445
1446 static void gr_print0(const gchar *UNUSED(text), GIOChannel *channel, gpointer UNUSED(data))
1447 {
1448         g_io_channel_write_chars(channel, "print0", -1, NULL, NULL);
1449         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1450 }
1451
1452 #ifdef HAVE_LUA
1453 static void gr_lua(const gchar *text, GIOChannel *channel, gpointer UNUSED(data))
1454 {
1455         gchar *result = NULL;
1456         gchar **lua_command;
1457
1458         lua_command = g_strsplit(text, ",", 2);
1459
1460         if (lua_command[0] && lua_command[1])
1461                 {
1462                 FileData *fd = file_data_new_group(lua_command[0]);
1463                 result = g_strdup(lua_callvalue(fd, lua_command[1], NULL));
1464                 if (result)
1465                         {
1466                         g_io_channel_write_chars(channel, result, -1, NULL, NULL);
1467                         }
1468                 else
1469                         {
1470                         g_io_channel_write_chars(channel, N_("lua error: no data"), -1, NULL, NULL);
1471                         }
1472                 }
1473         else
1474                 {
1475                 g_io_channel_write_chars(channel, N_("lua error: no data"), -1, NULL, NULL);
1476                 }
1477
1478         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1479
1480         g_strfreev(lua_command);
1481         g_free(result);
1482 }
1483 #endif
1484
1485 typedef struct _RemoteCommandEntry RemoteCommandEntry;
1486 struct _RemoteCommandEntry {
1487         gchar *opt_s;
1488         gchar *opt_l;
1489         void (*func)(const gchar *text, GIOChannel *channel, gpointer data);
1490         gboolean needs_extra;
1491         gboolean prefer_command_line;
1492         gchar *parameter;
1493         gchar *description;
1494 };
1495
1496 static RemoteCommandEntry remote_commands[] = {
1497         /* short, long                  callback,               extra, prefer, parameter, description */
1498         { "-b", "--back",               gr_image_prev,          FALSE, FALSE, NULL, N_("previous image") },
1499         { NULL, "--close-window",       gr_close_window,        FALSE, FALSE, NULL, N_("close window") },
1500         { NULL, "--config-load:",       gr_config_load,         TRUE,  FALSE, N_("<FILE>|layout ID"), N_("load configuration from FILE") },
1501         { "-cm","--cache-metadata",      gr_cache_metadata,               FALSE, FALSE, NULL, N_("clean the metadata cache") },
1502         { "-cr:", "--cache-render:",    gr_cache_render,        TRUE, FALSE, N_("<folder>  "), N_(" render thumbnails") },
1503         { "-crr:", "--cache-render-recurse:", gr_cache_render_recurse, TRUE, FALSE, N_("<folder> "), N_("render thumbnails recursively") },
1504         { "-crs:", "--cache-render-shared:", gr_cache_render_standard, TRUE, FALSE, N_("<folder> "), N_(" render thumbnails (see Help)") },
1505         { "-crsr:", "--cache-render-shared-recurse:", gr_cache_render_standard_recurse, TRUE, FALSE, N_("<folder>"), N_(" render thumbnails recursively (see Help)") },
1506         { "-cs:", "--cache-shared:",    gr_cache_shared,        TRUE, FALSE, N_("clear|clean"), N_("clear or clean shared thumbnail cache") },
1507         { "-ct:", "--cache-thumbs:",    gr_cache_thumb,         TRUE, FALSE, N_("clear|clean"), N_("clear or clean thumbnail cache") },
1508         { "-d", "--delay=",             gr_slideshow_delay,     TRUE,  FALSE, N_("<[H:][M:][N][.M]>"), N_("set slide show delay to Hrs Mins N.M seconds") },
1509         { NULL, "--first",              gr_image_first,         FALSE, FALSE, NULL, N_("first image") },
1510         { "-f", "--fullscreen",         gr_fullscreen_toggle,   FALSE, TRUE,  NULL, N_("toggle full screen") },
1511         { NULL, "--file:",              gr_file_load,           TRUE,  FALSE, N_("<FILE>|<URL>"), N_("open FILE or URL, bring Geeqie window to the top") },
1512         { NULL, "file:",                gr_file_load,           TRUE,  FALSE, N_("<FILE>|<URL>"), N_("open FILE or URL, bring Geeqie window to the top") },
1513         { 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") },
1514         { 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") },
1515         { "-fs","--fullscreen-start",   gr_fullscreen_start,    FALSE, FALSE, NULL, N_("start full screen") },
1516         { "-fS","--fullscreen-stop",    gr_fullscreen_stop,     FALSE, FALSE, NULL, N_("stop full screen") },
1517         { NULL, "--geometry=",          gr_geometry,            TRUE, FALSE, N_("<GEOMETRY>"), N_("set window geometry") },
1518         { NULL, "--get-collection:",    gr_collection,          TRUE,  FALSE, N_("<COLLECTION>"), N_("get collection content") },
1519         { NULL, "--get-collection-list", gr_collection_list,    FALSE, FALSE, NULL, N_("get collection list") },
1520         { NULL, "--get-destination:",   gr_get_destination,     TRUE,  FALSE, N_("<FILE>"), N_("get destination path of FILE (See Plugins Configuration)") },
1521         { NULL, "--get-file-info",      gr_file_info,           FALSE, FALSE, NULL, N_("get file info") },
1522         { NULL, "--get-filelist:",      gr_filelist,            TRUE,  FALSE, N_("[<FOLDER>]"), N_("get list of files and class") },
1523         { NULL, "--get-filelist-recurse:", gr_filelist_recurse, TRUE,  FALSE, N_("[<FOLDER>]"), N_("get list of files and class recursive") },
1524         { NULL, "--get-rectangle",      gr_rectangle,           FALSE, FALSE, NULL, N_("get rectangle co-ordinates") },
1525         { NULL, "--get-render-intent",  gr_render_intent,       FALSE, FALSE, NULL, N_("get render intent") },
1526         { NULL, "--get-selection",      gr_get_selection,       FALSE, FALSE, NULL, N_("get list of selected files") },
1527         { NULL, "--get-sidecars:",      gr_get_sidecars,        TRUE,  FALSE, N_("<FILE>"), N_("get list of sidecars of FILE") },
1528         { NULL, "--id:",                gr_lw_id,               TRUE, FALSE, N_("<ID>"), N_("window id for following commands") },
1529         { NULL, "--last",               gr_image_last,          FALSE, FALSE, NULL, N_("last image") },
1530         { NULL, "--list-add:",          gr_list_add,            TRUE,  FALSE, N_("<FILE>"), N_("add FILE to command line collection list") },
1531         { NULL, "--list-clear",         gr_list_clear,          FALSE, FALSE, NULL, N_("clear command line collection list") },
1532 #ifdef HAVE_LUA
1533         { NULL, "--lua:",               gr_lua,                 TRUE, FALSE, N_("<FILE>,<lua script>"), N_("run lua script on FILE") },
1534 #endif
1535         { NULL, "--new-window",         gr_new_window,          FALSE, FALSE, NULL, N_("new window") },
1536         { "-n", "--next",               gr_image_next,          FALSE, FALSE, NULL, N_("next image") },
1537         { NULL, "--pixel-info",         gr_pixel_info,          FALSE, FALSE, NULL, N_("print pixel info of mouse pointer on current image") },
1538         { NULL, "--print0",             gr_print0,              TRUE, FALSE, NULL, N_("terminate returned data with null character instead of newline") },
1539         { NULL, "--PWD:",               gr_pwd,                 TRUE, FALSE, N_("<PWD>"), N_("use PWD as working directory for following commands") },
1540         { "-q", "--quit",               gr_quit,                FALSE, FALSE, NULL, N_("quit") },
1541         { NULL, "--raise",              gr_raise,               FALSE, FALSE, NULL, N_("bring the Geeqie window to the top") },
1542         { NULL, "raise",                gr_raise,               FALSE, FALSE, NULL, N_("bring the Geeqie window to the top") },
1543         { NULL, "--selection-add:",     gr_selection_add,       TRUE,  FALSE, N_("[<FILE>]"), N_("adds the current file (or the specified file) to the current selection") },
1544         { NULL, "--selection-clear",    gr_selection_clear,     FALSE, FALSE, NULL, N_("clears the current selection") },
1545         { "-s", "--slideshow",          gr_slideshow_toggle,    FALSE, TRUE,  NULL, N_("toggle slide show") },
1546         { NULL, "--slideshow-recurse:", gr_slideshow_start_rec, TRUE,  FALSE, N_("<FOLDER>"), N_("start recursive slide show in FOLDER") },
1547         { "-ss","--slideshow-start",    gr_slideshow_start,     FALSE, FALSE, NULL, N_("start slide show") },
1548         { "-sS","--slideshow-stop",     gr_slideshow_stop,      FALSE, FALSE, NULL, N_("stop slide show") },
1549         { NULL, "--tell",               gr_file_tell,           FALSE, FALSE, NULL, N_("print filename [and Collection] of current image") },
1550         { "+t", "--tools-show",         gr_tools_show,          FALSE, TRUE,  NULL, N_("show tools") },
1551         { "-t", "--tools-hide",         gr_tools_hide,          FALSE, TRUE,  NULL, N_("hide tools") },
1552         { NULL, "--view:",              gr_file_view,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE in new window") },
1553         { NULL, "view:",                gr_file_view,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE in new window") },
1554         { NULL, NULL, NULL, FALSE, FALSE, NULL, NULL }
1555 };
1556
1557 static RemoteCommandEntry *remote_command_find(const gchar *text, const gchar **offset)
1558 {
1559         gboolean match = FALSE;
1560         gint i;
1561
1562         i = 0;
1563         while (!match && remote_commands[i].func != NULL)
1564                 {
1565                 if (remote_commands[i].needs_extra)
1566                         {
1567                         if (remote_commands[i].opt_s &&
1568                             strncmp(remote_commands[i].opt_s, text, strlen(remote_commands[i].opt_s)) == 0)
1569                                 {
1570                                 if (offset) *offset = text + strlen(remote_commands[i].opt_s);
1571                                 return &remote_commands[i];
1572                                 }
1573                         else if (remote_commands[i].opt_l &&
1574                                  strncmp(remote_commands[i].opt_l, text, strlen(remote_commands[i].opt_l)) == 0)
1575                                 {
1576                                 if (offset) *offset = text + strlen(remote_commands[i].opt_l);
1577                                 return &remote_commands[i];
1578                                 }
1579                         }
1580                 else
1581                         {
1582                         if ((remote_commands[i].opt_s && strcmp(remote_commands[i].opt_s, text) == 0) ||
1583                             (remote_commands[i].opt_l && strcmp(remote_commands[i].opt_l, text) == 0))
1584                                 {
1585                                 if (offset) *offset = text;
1586                                 return &remote_commands[i];
1587                                 }
1588                         }
1589
1590                 i++;
1591                 }
1592
1593         return NULL;
1594 }
1595
1596 static void remote_cb(RemoteConnection *UNUSED(rc), const gchar *text, GIOChannel *channel, gpointer data)
1597 {
1598         RemoteCommandEntry *entry;
1599         const gchar *offset;
1600
1601         entry = remote_command_find(text, &offset);
1602         if (entry && entry->func)
1603                 {
1604                 entry->func(offset, channel, data);
1605                 }
1606         else
1607                 {
1608                 log_printf("unknown remote command:%s\n", text);
1609                 }
1610 }
1611
1612 void remote_help(void)
1613 {
1614         gint i;
1615         gchar *s_opt_param;
1616         gchar *l_opt_param;
1617
1618         print_term(FALSE, _("Remote command list:\n"));
1619
1620         i = 0;
1621         while (remote_commands[i].func != NULL)
1622                 {
1623                 if (remote_commands[i].description)
1624                         {
1625                         s_opt_param = g_strdup(remote_commands[i].opt_s  ? remote_commands[i].opt_s : "" );
1626                         l_opt_param = g_strconcat(remote_commands[i].opt_l, remote_commands[i].parameter, NULL);
1627                         printf_term(FALSE, "  %-4s %-40s%-s\n",
1628                                         s_opt_param,
1629                                         l_opt_param,
1630                                         _(remote_commands[i].description));
1631                         g_free(s_opt_param);
1632                         g_free(l_opt_param);
1633                         }
1634                 i++;
1635                 }
1636         printf_term(FALSE, _("\n\n  All other command line parameters are used as plain files if they exist.\n\n  The name of a collection, with or without either path or extension (.gqv) may be used.\n"));
1637 }
1638
1639 GList *remote_build_list(GList *list, gint argc, gchar *argv[], GList **errors)
1640 {
1641         gint i;
1642
1643         i = 1;
1644         while (i < argc)
1645                 {
1646                 RemoteCommandEntry *entry;
1647
1648                 entry = remote_command_find(argv[i], NULL);
1649                 if (entry)
1650                         {
1651                         list = g_list_append(list, argv[i]);
1652                         }
1653                 else if (errors && !isname(argv[i]))
1654                         {
1655                         *errors = g_list_append(*errors, argv[i]);
1656                         }
1657                 i++;
1658                 }
1659
1660         return list;
1661 }
1662
1663 /**
1664  * @param arg_exec Binary (argv0)
1665  * @param remote_list Evaluated and recognized remote commands
1666  * @param path The current path
1667  * @param cmd_list List of all non collections in Path (gchar *path)
1668  * @param collection_list List of all collections in argv
1669  */
1670 void remote_control(const gchar *arg_exec, GList *remote_list, const gchar *path,
1671                     GList *cmd_list, GList *collection_list)
1672 {
1673         RemoteConnection *rc;
1674         gboolean started = FALSE;
1675         gchar *buf;
1676
1677         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1678         rc = remote_client_open(buf);
1679         if (!rc)
1680                 {
1681                 GString *command;
1682                 GList *work;
1683                 gint retry_count = 12;
1684                 gboolean blank = FALSE;
1685
1686                 printf_term(FALSE, _("Remote %s not running, starting..."), GQ_APPNAME);
1687
1688                 command = g_string_new(arg_exec);
1689
1690                 work = remote_list;
1691                 while (work)
1692                         {
1693                         gchar *text;
1694                         RemoteCommandEntry *entry;
1695
1696                         text = work->data;
1697                         work = work->next;
1698
1699                         entry = remote_command_find(text, NULL);
1700                         if (entry)
1701                                 {
1702                                 /* If Geeqie is not running, stop the --new-window command opening a second window */
1703                                 if (g_strcmp0(text, "--new-window") == 0)
1704                                         {
1705                                         remote_list = g_list_remove(remote_list, text);
1706                                         }
1707                                 if (entry->prefer_command_line)
1708                                         {
1709                                         remote_list = g_list_remove(remote_list, text);
1710                                         g_string_append(command, " ");
1711                                         g_string_append(command, text);
1712                                         }
1713                                 if (entry->opt_l && strcmp(entry->opt_l, "file:") == 0)
1714                                         {
1715                                         blank = TRUE;
1716                                         }
1717                                 }
1718                         }
1719
1720                 if (blank || cmd_list || path) g_string_append(command, " --blank");
1721                 if (get_debug_level()) g_string_append(command, " --debug");
1722
1723                 g_string_append(command, " &");
1724                 runcmd(command->str);
1725                 g_string_free(command, TRUE);
1726
1727                 while (!rc && retry_count > 0)
1728                         {
1729                         usleep((retry_count > 10) ? 500000 : 1000000);
1730                         rc = remote_client_open(buf);
1731                         if (!rc) print_term(FALSE, ".");
1732                         retry_count--;
1733                         }
1734
1735                 print_term(FALSE, "\n");
1736
1737                 started = TRUE;
1738                 }
1739         g_free(buf);
1740
1741         if (rc)
1742                 {
1743                 GList *work;
1744                 const gchar *prefix;
1745                 gboolean use_path = TRUE;
1746                 gboolean sent = FALSE;
1747
1748                 work = remote_list;
1749                 while (work)
1750                         {
1751                         gchar *text;
1752                         RemoteCommandEntry *entry;
1753
1754                         text = work->data;
1755                         work = work->next;
1756
1757                         entry = remote_command_find(text, NULL);
1758                         if (entry &&
1759                             entry->opt_l &&
1760                             strcmp(entry->opt_l, "file:") == 0) use_path = FALSE;
1761
1762                         remote_client_send(rc, text);
1763
1764                         sent = TRUE;
1765                         }
1766
1767                 if (cmd_list && cmd_list->next)
1768                         {
1769                         prefix = "--list-add:";
1770                         remote_client_send(rc, "--list-clear");
1771                         }
1772                 else
1773                         {
1774                         prefix = "file:";
1775                         }
1776
1777                 work = cmd_list;
1778                 while (work)
1779                         {
1780                         gchar *text;
1781
1782                         text = g_strconcat(prefix, work->data, NULL);
1783                         remote_client_send(rc, text);
1784                         g_free(text);
1785                         work = work->next;
1786
1787                         sent = TRUE;
1788                         }
1789
1790                 if (path && !cmd_list && use_path)
1791                         {
1792                         gchar *text;
1793
1794                         text = g_strdup_printf("file:%s", path);
1795                         remote_client_send(rc, text);
1796                         g_free(text);
1797
1798                         sent = TRUE;
1799                         }
1800
1801                 work = collection_list;
1802                 while (work)
1803                         {
1804                         const gchar *name;
1805                         gchar *text;
1806
1807                         name = work->data;
1808                         work = work->next;
1809
1810                         text = g_strdup_printf("file:%s", name);
1811                         remote_client_send(rc, text);
1812                         g_free(text);
1813
1814                         sent = TRUE;
1815                         }
1816
1817                 if (!started && !sent)
1818                         {
1819                         remote_client_send(rc, "raise");
1820                         }
1821                 }
1822         else
1823                 {
1824                 print_term(TRUE, _("Remote not available\n"));
1825                 }
1826
1827         _exit(0);
1828 }
1829
1830 RemoteConnection *remote_server_init(gchar *path, CollectionData *command_collection)
1831 {
1832         RemoteConnection *remote_connection = remote_server_open(path);
1833         RemoteData *remote_data = g_new(RemoteData, 1);
1834
1835         remote_data->command_collection = command_collection;
1836
1837         remote_server_subscribe(remote_connection, remote_cb, remote_data);
1838         return remote_connection;
1839 }
1840 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */