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 #include "view_file.h"
  42
  43 #include <sys/socket.h>
  44 #include <sys/un.h>
  45 #include <signal.h>
  46 #include <errno.h>
  47
  48 #include "glua.h"
  49
  50 #define SERVER_MAX_CLIENTS 8
  51
  52 #define REMOTE_SERVER_BACKLOG 4
  53
  54
  55 #ifndef UNIX_PATH_MAX
  56 #define UNIX_PATH_MAX 108
  57 #endif
  58
  59
  60 static RemoteConnection *remote_client_open(const gchar *path);
  61 static gint remote_client_send(RemoteConnection *rc, const gchar *text);
  62 static void gr_raise(const gchar *text, GIOChannel *channel, gpointer data);
  63
  64 static LayoutWindow *lw_id = NULL; /* points to the window set by the --id option */
  65
  66 typedef struct _RemoteClient RemoteClient;
  67 struct _RemoteClient {
  68         gint fd;
  69         guint channel_id; /* event source id */
  70         RemoteConnection *rc;
  71 };
  72
  73 typedef struct _RemoteData RemoteData;
  74 struct _RemoteData {
  75         CollectionData *command_collection;
  76         GList *file_list;
  77         gboolean single_dir;
  78 };
  79
  80 /* To enable file names containing newlines to be processed correctly,
  81  * the --print0 remote option sets returned data to be terminated with a null
  82  * character rather a newline
  83  */
  84 static gboolean print0 = FALSE;
  85
  86 /* Remote commands from main.c are prepended with the current dir the remote
  87  * command was made from. Some remote commands require this. The
  88  * value is stored here
  89  */
  90 static gchar *pwd = NULL;
  91
  92 /**
  93  * @brief Ensures file path is absolute.
  94  * @param[in] filename Filepath, absolute or relative to calling directory
  95  * @returns absolute path
  96  *
  97  * If first character of input filepath is not the directory
  98  * separator, assume it as a relative path and prepend
  99  * the directory the remote command was initiated from
 100  *
 101  * Return value must be freed with g_free()
 102  */
 103 static gchar *set_pwd(gchar *filename)
 104 {
 105         gchar *temp;
 106
 107         if (strncmp(filename, G_DIR_SEPARATOR_S, 1) != 0)
 108                 {
 109                 temp = g_build_filename(pwd, filename, NULL);
 110                 }
 111         else
 112                 {
 113                 temp = g_strdup(filename);
 114                 }
 115
 116         return temp;
 117 }
 118
 119 static gboolean remote_server_client_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 120 {
 121         RemoteClient *client = data;
 122         RemoteConnection *rc;
 123         GIOStatus status = G_IO_STATUS_NORMAL;
 124
 125         lw_id = NULL;
 126         rc = client->rc;
 127
 128         if (condition & G_IO_IN)
 129                 {
 130                 gchar *buffer = NULL;
 131                 GError *error = NULL;
 132                 gsize termpos;
 133                 /* FIXME: it should be possible to terminate the command with a null character */
 134                 g_io_channel_set_line_term(source, "<gq_end_of_command>", -1);
 135                 while ((status = g_io_channel_read_line(source, &buffer, NULL, &termpos, &error)) == G_IO_STATUS_NORMAL)
 136                         {
 137                         if (buffer)
 138                                 {
 139                                 buffer[termpos] = '\0';
 140
 141                                 if (strlen(buffer) > 0)
 142                                         {
 143                                         if (rc->read_func) rc->read_func(rc, buffer, source, rc->read_data);
 144                                         g_io_channel_write_chars(source, "<gq_end_of_command>", -1, NULL, NULL); /* empty line finishes the command */
 145                                         g_io_channel_flush(source, NULL);
 146                                         }
 147                                 g_free(buffer);
 148
 149                                 buffer = NULL;
 150                                 }
 151                         }
 152
 153                 if (error)
 154                         {
 155                         log_printf("error reading socket: %s\n", error->message);
 156                         g_error_free(error);
 157                         }
 158                 }
 159
 160         if (condition & G_IO_HUP || status == G_IO_STATUS_EOF || status == G_IO_STATUS_ERROR)
 161                 {
 162                 rc->clients = g_list_remove(rc->clients, client);
 163
 164                 DEBUG_1("HUP detected, closing client.");
 165                 DEBUG_1("client count %d", g_list_length(rc->clients));
 166
 167                 g_source_remove(client->channel_id);
 168                 close(client->fd);
 169                 g_free(client);
 170                 }
 171
 172         return TRUE;
 173 }
 174
 175 static void remote_server_client_add(RemoteConnection *rc, gint fd)
 176 {
 177         RemoteClient *client;
 178         GIOChannel *channel;
 179
 180         if (g_list_length(rc->clients) > SERVER_MAX_CLIENTS)
 181                 {
 182                 log_printf("maximum remote clients of %d exceeded, closing connection\n", SERVER_MAX_CLIENTS);
 183                 close(fd);
 184                 return;
 185                 }
 186
 187         client = g_new0(RemoteClient, 1);
 188         client->rc = rc;
 189         client->fd = fd;
 190
 191         channel = g_io_channel_unix_new(fd);
 192         client->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN | G_IO_HUP,
 193                                                  remote_server_client_cb, client, NULL);
 194         g_io_channel_unref(channel);
 195
 196         rc->clients = g_list_append(rc->clients, client);
 197         DEBUG_1("client count %d", g_list_length(rc->clients));
 198 }
 199
 200 static void remote_server_clients_close(RemoteConnection *rc)
 201 {
 202         while (rc->clients)
 203                 {
 204                 RemoteClient *client = rc->clients->data;
 205
 206                 rc->clients = g_list_remove(rc->clients, client);
 207
 208                 g_source_remove(client->channel_id);
 209                 close(client->fd);
 210                 g_free(client);
 211                 }
 212 }
 213
 214 static gboolean remote_server_read_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 215 {
 216         RemoteConnection *rc = data;
 217         gint fd;
 218         guint alen;
 219
 220         fd = accept(rc->fd, NULL, &alen);
 221         if (fd == -1)
 222                 {
 223                 log_printf("error accepting socket: %s\n", strerror(errno));
 224                 return TRUE;
 225                 }
 226
 227         remote_server_client_add(rc, fd);
 228
 229         return TRUE;
 230 }
 231
 232 gboolean remote_server_exists(const gchar *path)
 233 {
 234         RemoteConnection *rc;
 235
 236         /* verify server up */
 237         rc = remote_client_open(path);
 238         remote_close(rc);
 239
 240         if (rc) return TRUE;
 241
 242         /* unable to connect, remove socket file to free up address */
 243         unlink(path);
 244         return FALSE;
 245 }
 246
 247 static RemoteConnection *remote_server_open(const gchar *path)
 248 {
 249         RemoteConnection *rc;
 250         struct sockaddr_un addr;
 251         gint sun_path_len;
 252         gint fd;
 253         GIOChannel *channel;
 254
 255         if (remote_server_exists(path))
 256                 {
 257                 log_printf("Address already in use: %s\n", path);
 258                 return NULL;
 259                 }
 260
 261         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 262         if (fd == -1) return NULL;
 263
 264         addr.sun_family = AF_UNIX;
 265         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 266         strncpy(addr.sun_path, path, sun_path_len);
 267         if (bind(fd, &addr, sizeof(addr)) == -1 ||
 268             listen(fd, REMOTE_SERVER_BACKLOG) == -1)
 269                 {
 270                 log_printf("error subscribing to socket: %s\n", strerror(errno));
 271                 close(fd);
 272                 return NULL;
 273                 }
 274
 275         rc = g_new0(RemoteConnection, 1);
 276
 277         rc->server = TRUE;
 278         rc->fd = fd;
 279         rc->path = g_strdup(path);
 280
 281         channel = g_io_channel_unix_new(rc->fd);
 282         g_io_channel_set_flags(channel, G_IO_FLAG_NONBLOCK, NULL);
 283
 284         rc->channel_id = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, G_IO_IN,
 285                                              remote_server_read_cb, rc, NULL);
 286         g_io_channel_unref(channel);
 287
 288         return rc;
 289 }
 290
 291 static void remote_server_subscribe(RemoteConnection *rc, RemoteReadFunc *func, gpointer data)
 292 {
 293         if (!rc || !rc->server) return;
 294
 295         rc->read_func = func;
 296         rc->read_data = data;
 297 }
 298
 299
 300 static RemoteConnection *remote_client_open(const gchar *path)
 301 {
 302         RemoteConnection *rc;
 303         struct stat st;
 304         struct sockaddr_un addr;
 305         gint sun_path_len;
 306         gint fd;
 307
 308         if (stat(path, &st) != 0 || !S_ISSOCK(st.st_mode)) return NULL;
 309
 310         fd = socket(PF_UNIX, SOCK_STREAM, 0);
 311         if (fd == -1) return NULL;
 312
 313         addr.sun_family = AF_UNIX;
 314         sun_path_len = MIN(strlen(path) + 1, UNIX_PATH_MAX);
 315         strncpy(addr.sun_path, path, sun_path_len);
 316         if (connect(fd, &addr, sizeof(addr)) == -1)
 317                 {
 318                 DEBUG_1("error connecting to socket: %s", strerror(errno));
 319                 close(fd);
 320                 return NULL;
 321                 }
 322
 323         rc = g_new0(RemoteConnection, 1);
 324         rc->server = FALSE;
 325         rc->fd = fd;
 326         rc->path = g_strdup(path);
 327
 328         return rc;
 329 }
 330
 331 static sig_atomic_t sigpipe_occurred = FALSE;
 332
 333 static void sighandler_sigpipe(gint sig)
 334 {
 335         sigpipe_occurred = TRUE;
 336 }
 337
 338 static gboolean remote_client_send(RemoteConnection *rc, const gchar *text)
 339 {
 340         struct sigaction new_action, old_action;
 341         gboolean ret = FALSE;
 342         GError *error = NULL;
 343         GIOChannel *channel;
 344
 345         if (!rc || rc->server) return FALSE;
 346         if (!text) return TRUE;
 347
 348         sigpipe_occurred = FALSE;
 349
 350         new_action.sa_handler = sighandler_sigpipe;
 351         sigemptyset(&new_action.sa_mask);
 352         new_action.sa_flags = 0;
 353
 354         /* setup our signal handler */
 355         sigaction(SIGPIPE, &new_action, &old_action);
 356
 357         channel = g_io_channel_unix_new(rc->fd);
 358
 359         g_io_channel_write_chars(channel, text, -1, NULL, &error);
 360         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, &error);
 361         g_io_channel_flush(channel, &error);
 362
 363         if (error)
 364                 {
 365                 log_printf("error reading socket: %s\n", error->message);
 366                 g_error_free(error);
 367                 ret = FALSE;;
 368                 }
 369         else
 370                 {
 371                 ret = TRUE;
 372                 }
 373
 374         if (ret)
 375                 {
 376                 gchar *buffer = NULL;
 377                 gsize termpos;
 378                 g_io_channel_set_line_term(channel, "<gq_end_of_command>", -1);
 379                 while (g_io_channel_read_line(channel, &buffer, NULL, &termpos, &error) == G_IO_STATUS_NORMAL)
 380                         {
 381                         if (buffer)
 382                                 {
 383                                 if (g_strstr_len(buffer, -1, "<gq_end_of_command>") == buffer) /* empty line finishes the command */
 384                                         {
 385                                         g_free(buffer);
 386                                         fflush(stdout);
 387                                         break;
 388                                         }
 389                                 buffer[termpos] = '\0';
 390                                 if (g_strstr_len(buffer, -1, "print0") != 0)
 391                                         {
 392                                         print0 = TRUE;
 393                                         }
 394                                 else
 395                                         {
 396                                         if (print0)
 397                                                 {
 398                                                 printf("%s%c", buffer, 0);
 399                                                 }
 400                                         else
 401                                                 {
 402                                                 printf("%s\n", buffer);
 403                                                 }
 404                                         }
 405                                 g_free(buffer);
 406                                 buffer = NULL;
 407                                 }
 408                         }
 409
 410                 if (error)
 411                         {
 412                         log_printf("error reading socket: %s\n", error->message);
 413                         g_error_free(error);
 414                         ret = FALSE;
 415                         }
 416                 }
 417
 418
 419         /* restore the original signal handler */
 420         sigaction(SIGPIPE, &old_action, NULL);
 421         g_io_channel_unref(channel);
 422         return ret;
 423 }
 424
 425 void remote_close(RemoteConnection *rc)
 426 {
 427         if (!rc) return;
 428
 429         if (rc->server)
 430                 {
 431                 remote_server_clients_close(rc);
 432
 433                 g_source_remove(rc->channel_id);
 434                 unlink(rc->path);
 435                 }
 436
 437         if (rc->read_data)
 438                 g_free(rc->read_data);
 439
 440         close(rc->fd);
 441
 442         g_free(rc->path);
 443         g_free(rc);
 444 }
 445
 446 /*
 447  *-----------------------------------------------------------------------------
 448  * remote functions
 449  *-----------------------------------------------------------------------------
 450  */
 451
 452 static void gr_image_next(const gchar *text, GIOChannel *channel, gpointer data)
 453 {
 454         layout_image_next(lw_id);
 455 }
 456
 457 static void gr_new_window(const gchar *text, GIOChannel *channel, gpointer data)
 458 {
 459         LayoutWindow *lw = NULL;
 460
 461         if (!layout_valid(&lw)) return;
 462
 463         lw_id = layout_menu_new_window(NULL, lw);
 464         layout_set_path(lw_id, pwd);
 465 }
 466
 467 static gboolean gr_close_window_cb()
 468 {
 469         if (!layout_valid(&lw_id)) return FALSE;
 470
 471         layout_menu_close_cb(NULL, lw_id);
 472
 473         return FALSE;
 474 }
 475
 476 static void gr_close_window(const gchar *text, GIOChannel *channel, gpointer data)
 477 {
 478         g_idle_add(gr_close_window_cb, NULL);
 479 }
 480
 481 static void gr_image_prev(const gchar *text, GIOChannel *channel, gpointer data)
 482 {
 483         layout_image_prev(lw_id);
 484 }
 485
 486 static void gr_image_first(const gchar *text, GIOChannel *channel, gpointer data)
 487 {
 488         layout_image_first(lw_id);
 489 }
 490
 491 static void gr_image_last(const gchar *text, GIOChannel *channel, gpointer data)
 492 {
 493         layout_image_last(lw_id);
 494 }
 495
 496 static void gr_fullscreen_toggle(const gchar *text, GIOChannel *channel, gpointer data)
 497 {
 498         layout_image_full_screen_toggle(lw_id);
 499 }
 500
 501 static void gr_fullscreen_start(const gchar *text, GIOChannel *channel, gpointer data)
 502 {
 503         layout_image_full_screen_start(lw_id);
 504 }
 505
 506 static void gr_fullscreen_stop(const gchar *text, GIOChannel *channel, gpointer data)
 507 {
 508         layout_image_full_screen_stop(lw_id);
 509 }
 510
 511 static void gr_lw_id(const gchar *text, GIOChannel *channel, gpointer data)
 512 {
 513         lw_id = layout_find_by_layout_id(text);
 514         if (!lw_id)
 515                 {
 516                 log_printf("remote sent window ID that does not exist:\"%s\"\n",text);
 517                 }
 518         layout_valid(&lw_id);
 519 }
 520
 521 static void gr_slideshow_start_rec(const gchar *text, GIOChannel *channel, gpointer data)
 522 {
 523         GList *list;
 524         FileData *dir_fd = file_data_new_dir(text);
 525
 526         layout_valid(&lw_id);
 527         list = filelist_recursive_full(dir_fd, lw_id->sort_method, lw_id->sort_ascend);
 528         file_data_unref(dir_fd);
 529         if (!list) return;
 530 //printf("length: %d\n", g_list_length(list));
 531         layout_image_slideshow_stop(lw_id);
 532         layout_image_slideshow_start_from_list(lw_id, list);
 533 }
 534
 535 static void gr_cache_thumb(const gchar *text, GIOChannel *channel, gpointer data)
 536 {
 537         if (!g_strcmp0(text, "clear"))
 538                 cache_maintain_home_remote(FALSE, TRUE);
 539         else if (!g_strcmp0(text, "clean"))
 540                 cache_maintain_home_remote(FALSE, FALSE);
 541 }
 542
 543 static void gr_cache_shared(const gchar *text, GIOChannel *channel, gpointer data)
 544 {
 545         if (!g_strcmp0(text, "clear"))
 546                 cache_manager_standard_process_remote(TRUE);
 547         else if (!g_strcmp0(text, "clean"))
 548                 cache_manager_standard_process_remote(FALSE);
 549 }
 550
 551 static void gr_cache_metadata(const gchar *text, GIOChannel *channel, gpointer data)
 552 {
 553         cache_maintain_home_remote(TRUE, FALSE);
 554 }
 555
 556 static void gr_cache_render(const gchar *text, GIOChannel *channel, gpointer data)
 557 {
 558         cache_manager_render_remote(text, FALSE, FALSE);
 559 }
 560
 561 static void gr_cache_render_recurse(const gchar *text, GIOChannel *channel, gpointer data)
 562 {
 563         cache_manager_render_remote(text, TRUE, FALSE);
 564 }
 565
 566 static void gr_cache_render_standard(const gchar *text, GIOChannel *channel, gpointer data)
 567 {
 568         if(options->thumbnails.spec_standard)
 569                 cache_manager_render_remote(text, FALSE, TRUE);
 570 }
 571
 572 static void gr_cache_render_standard_recurse(const gchar *text, GIOChannel *channel, gpointer data)
 573 {
 574         if(options->thumbnails.spec_standard)
 575                 cache_manager_render_remote(text, TRUE, TRUE);
 576 }
 577
 578 static void gr_slideshow_toggle(const gchar *text, GIOChannel *channel, gpointer data)
 579 {
 580         layout_image_slideshow_toggle(lw_id);
 581 }
 582
 583 static void gr_slideshow_start(const gchar *text, GIOChannel *channel, gpointer data)
 584 {
 585         layout_image_slideshow_start(lw_id);
 586 }
 587
 588 static void gr_slideshow_stop(const gchar *text, GIOChannel *channel, gpointer data)
 589 {
 590         layout_image_slideshow_stop(lw_id);
 591 }
 592
 593 static void gr_slideshow_delay(const gchar *text, GIOChannel *channel, gpointer data)
 594 {
 595         gdouble t1, t2, t3, n;
 596         gint res;
 597
 598         res = sscanf(text, "%lf:%lf:%lf", &t1, &t2, &t3);
 599         if (res == 3)
 600                 {
 601                 n = (t1 * 3600) + (t2 * 60) + t3;
 602                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS ||
 603                                 t1 >= 24 || t2 >= 60 || t3 >= 60)
 604                         {
 605                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 606                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 607                         return;
 608                         }
 609                 }
 610         else if (res == 2)
 611                 {
 612                 n = t1 * 60 + t2;
 613                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS ||
 614                                 t1 >= 60 || t2 >= 60)
 615                         {
 616                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 617                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 618                         return;
 619                         }
 620                 }
 621         else if (res == 1)
 622                 {
 623                 n = t1;
 624                 if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS)
 625                         {
 626                         printf_term(TRUE, "Remote slideshow delay out of range (%.1f to %.1f)\n",
 627                                                                 SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 628                         return;
 629                         }
 630                 }
 631         else
 632                 {
 633                 n = 0;
 634                 }
 635
 636         options->slideshow.delay = (gint)(n * 10.0 + 0.01);
 637 }
 638
 639 static void gr_tools_show(const gchar *text, GIOChannel *channel, gpointer data)
 640 {
 641         gboolean popped;
 642         gboolean hidden;
 643
 644         if (layout_tools_float_get(lw_id, &popped, &hidden) && hidden)
 645                 {
 646                 layout_tools_float_set(lw_id, popped, FALSE);
 647                 }
 648 }
 649
 650 static void gr_tools_hide(const gchar *text, GIOChannel *channel, gpointer data)
 651 {
 652         gboolean popped;
 653         gboolean hidden;
 654
 655         if (layout_tools_float_get(lw_id, &popped, &hidden) && !hidden)
 656                 {
 657                 layout_tools_float_set(lw_id, popped, TRUE);
 658                 }
 659 }
 660
 661 static gboolean gr_quit_idle_cb(gpointer data)
 662 {
 663         exit_program();
 664
 665         return FALSE;
 666 }
 667
 668 static void gr_quit(const gchar *text, GIOChannel *channel, gpointer data)
 669 {
 670         /* schedule exit when idle, if done from within a
 671          * remote handler remote_close will crash
 672          */
 673         g_idle_add(gr_quit_idle_cb, NULL);
 674 }
 675
 676 static void gr_file_load_no_raise(const gchar *text, GIOChannel *channel, gpointer data)
 677 {
 678         gchar *filename;
 679         gchar *tilde_filename;
 680
 681         if (!download_web_file(text, TRUE, NULL))
 682                 {
 683                 tilde_filename = expand_tilde(text);
 684                 filename = set_pwd(tilde_filename);
 685
 686                 if (isfile(filename))
 687                         {
 688                         if (file_extension_match(filename, GQ_COLLECTION_EXT))
 689                                 {
 690                                 collection_window_new(filename);
 691                                 }
 692                         else
 693                                 {
 694                                 layout_set_path(lw_id, filename);
 695                                 }
 696                         }
 697                 else if (isdir(filename))
 698                         {
 699                         layout_set_path(lw_id, filename);
 700                         }
 701                 else
 702                         {
 703                         log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
 704                         layout_set_path(lw_id, homedir());
 705                         }
 706
 707                 g_free(filename);
 708                 g_free(tilde_filename);
 709                 }
 710 }
 711
 712 static void gr_file_load(const gchar *text, GIOChannel *channel, gpointer data)
 713 {
 714         gr_file_load_no_raise(text, channel, data);
 715
 716         gr_raise(text, channel, data);
 717 }
 718
 719 static void gr_pixel_info(const gchar *text, GIOChannel *channel, gpointer data)
 720 {
 721         gchar *pixel_info;
 722         gint x_pixel, y_pixel;
 723         gint width, height;
 724         gint r_mouse, g_mouse, b_mouse;
 725         PixbufRenderer *pr;
 726
 727         if (!layout_valid(&lw_id)) return;
 728
 729         pr = (PixbufRenderer*)lw_id->image->pr;
 730
 731         if (pr)
 732                 {
 733                 pixbuf_renderer_get_image_size(pr, &width, &height);
 734                 if (width < 1 || height < 1) return;
 735
 736                 pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
 737
 738                 if (x_pixel >= 0 && y_pixel >= 0)
 739                         {
 740                         pixbuf_renderer_get_pixel_colors(pr, x_pixel, y_pixel,
 741                                                          &r_mouse, &g_mouse, &b_mouse);
 742
 743                         pixel_info = g_strdup_printf(_("[%d,%d]: RGB(%3d,%3d,%3d)"),
 744                                                  x_pixel, y_pixel,
 745                                                  r_mouse, g_mouse, b_mouse);
 746
 747                         g_io_channel_write_chars(channel, pixel_info, -1, NULL, NULL);
 748                         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 749
 750                         g_free(pixel_info);
 751                         }
 752                 else
 753                         {
 754                         return;
 755                         }
 756                 }
 757         else
 758                 {
 759                 return;
 760                 }
 761 }
 762
 763 static void gr_rectangle(const gchar *text, GIOChannel *channel, gpointer data)
 764 {
 765         gchar *rectangle_info;
 766         PixbufRenderer *pr;
 767         gint x1, y1, x2, y2;
 768
 769         if (!options->draw_rectangle) return;
 770         if (!layout_valid(&lw_id)) return;
 771
 772         pr = (PixbufRenderer*)lw_id->image->pr;
 773
 774         if (pr)
 775                 {
 776                 image_get_rectangle(&x1, &y1, &x2, &y2);
 777                 rectangle_info = g_strdup_printf(_("%dx%d+%d+%d"),
 778                                         (x2 > x1) ? x2 - x1 : x1 - x2,
 779                                         (y2 > y1) ? y2 - y1 : y1 - y2,
 780                                         (x2 > x1) ? x1 : x2,
 781                                         (y2 > y1) ? y1 : y2);
 782
 783                 g_io_channel_write_chars(channel, rectangle_info, -1, NULL, NULL);
 784                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 785
 786                 g_free(rectangle_info);
 787                 }
 788 }
 789
 790 static void gr_render_intent(const gchar *text, GIOChannel *channel, gpointer data)
 791 {
 792         gchar *render_intent;
 793
 794         switch (options->color_profile.render_intent)
 795                 {
 796                 case 0:
 797                         render_intent = g_strdup("Perceptual");
 798                         break;
 799                 case 1:
 800                         render_intent = g_strdup("Relative Colorimetric");
 801                         break;
 802                 case 2:
 803                         render_intent = g_strdup("Saturation");
 804                         break;
 805                 case 3:
 806                         render_intent = g_strdup("Absolute Colorimetric");
 807                         break;
 808                 default:
 809                         render_intent = g_strdup("none");
 810                         break;
 811                 }
 812
 813         g_io_channel_write_chars(channel, render_intent, -1, NULL, NULL);
 814         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 815
 816         g_free(render_intent);
 817 }
 818
 819 static void get_filelist(const gchar *text, GIOChannel *channel, gboolean recurse)
 820 {
 821         GList *list = NULL;
 822         FileFormatClass class;
 823         FileData *dir_fd;
 824         FileData *fd;
 825         GString *out_string = g_string_new(NULL);
 826         GList *work;
 827         gchar *tilde_filename;
 828
 829         if (strcmp(text, "") == 0)
 830                 {
 831                 if (layout_valid(&lw_id))
 832                         {
 833                         dir_fd = file_data_new_dir(lw_id->dir_fd->path);
 834                         }
 835                 else
 836                         {
 837                         return;
 838                         }
 839                 }
 840         else
 841                 {
 842                 tilde_filename = expand_tilde(text);
 843                 if (isdir(tilde_filename))
 844                         {
 845                         dir_fd = file_data_new_dir(tilde_filename);
 846                         }
 847                 else
 848                         {
 849                         g_free(tilde_filename);
 850                         return;
 851                         }
 852                 g_free(tilde_filename);
 853                 }
 854
 855         if (recurse)
 856                 {
 857                 list = filelist_recursive(dir_fd);
 858                 }
 859         else
 860                 {
 861                 filelist_read(dir_fd, &list, NULL);
 862                 }
 863
 864         work = list;
 865         while (work)
 866                 {
 867                 fd = work->data;
 868                 g_string_append_printf(out_string, "%s", fd->path);
 869                 class = filter_file_get_class(fd->path);
 870
 871                 switch (class)
 872                         {
 873                         case FORMAT_CLASS_IMAGE:
 874                                 out_string = g_string_append(out_string, "    Class: Image");
 875                                 break;
 876                         case FORMAT_CLASS_RAWIMAGE:
 877                                 out_string = g_string_append(out_string, "    Class: RAW image");
 878                                 break;
 879                         case FORMAT_CLASS_META:
 880                                 out_string = g_string_append(out_string, "    Class: Metadata");
 881                                 break;
 882                         case FORMAT_CLASS_VIDEO:
 883                                 out_string = g_string_append(out_string, "    Class: Video");
 884                                 break;
 885                         case FORMAT_CLASS_COLLECTION:
 886                                 out_string = g_string_append(out_string, "    Class: Collection");
 887                                 break;
 888                         case FORMAT_CLASS_DOCUMENT:
 889                                 out_string = g_string_append(out_string, "    Class: Document");
 890                                 break;
 891                         case FORMAT_CLASS_UNKNOWN:
 892                                 out_string = g_string_append(out_string, "    Class: Unknown");
 893                                 break;
 894                         default:
 895                                 out_string = g_string_append(out_string, "    Class: Unknown");
 896                                 break;
 897                         }
 898                 out_string = g_string_append(out_string, "\n");
 899                 work = work->next;
 900                 }
 901
 902         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
 903         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 904
 905         g_string_free(out_string, TRUE);
 906         filelist_free(list);
 907         file_data_unref(dir_fd);
 908 }
 909
 910 static void gr_collection(const gchar *text, GIOChannel *channel, gpointer data)
 911 {
 912         GString *contents = g_string_new(NULL);
 913
 914         if (is_collection(text))
 915                 {
 916                 collection_contents(text, &contents);
 917                 }
 918         else
 919                 {
 920                 return;
 921                 }
 922
 923         g_io_channel_write_chars(channel, contents->str, -1, NULL, NULL);
 924         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 925
 926         g_string_free(contents, TRUE);
 927 }
 928
 929 static void gr_collection_list(const gchar *text, GIOChannel *channel, gpointer data)
 930 {
 931
 932         GList *collection_list = NULL;
 933         GList *work;
 934         GString *out_string = g_string_new(NULL);
 935
 936         collect_manager_list(&collection_list, NULL, NULL);
 937
 938         work = collection_list;
 939         while (work)
 940                 {
 941                 const gchar *collection_name = work->data;
 942                 out_string = g_string_append(out_string, g_strdup(collection_name));
 943                 out_string = g_string_append(out_string, "\n");
 944
 945                 work = work->next;
 946                 }
 947
 948         g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
 949         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
 950
 951         string_list_free(collection_list);
 952         g_string_free(out_string, TRUE);
 953 }
 954
 955 static gboolean wait_cb(const gpointer data)
 956 {
 957         gint position = GPOINTER_TO_INT(data);
 958         gint x = position >> 16;
 959         gint y = position - (x << 16);
 960
 961         gtk_window_move(GTK_WINDOW(lw_id->window), x, y);
 962
 963         return FALSE;
 964 }
 965
 966 static void gr_geometry(const gchar *text, GIOChannel *channel, gpointer data)
 967 {
 968         gchar **geometry;
 969
 970         if (!layout_valid(&lw_id) || !text)
 971                 {
 972                 return;
 973                 }
 974
 975         if (text[0] == '+')
 976                 {
 977                 geometry = g_strsplit_set(text, "+", 3);
 978                 if (geometry[1] != NULL && geometry[2] != NULL )
 979                         {
 980                         gtk_window_move(GTK_WINDOW(lw_id->window), atoi(geometry[1]), atoi(geometry[2]));
 981                         }
 982                 }
 983         else
 984                 {
 985                 geometry = g_strsplit_set(text, "+x", 4);
 986                 if (geometry[0] != NULL && geometry[1] != NULL)
 987                         {
 988                         gtk_window_resize(GTK_WINDOW(lw_id->window), atoi(geometry[0]), atoi(geometry[1]));
 989                         }
 990                 if (geometry[2] != NULL && geometry[3] != NULL)
 991                         {
 992                         /* There is an occasional problem with a window_move immediately after a window_resize */
 993                         g_idle_add(wait_cb, GINT_TO_POINTER((atoi(geometry[2]) << 16) + atoi(geometry[3])));
 994                         }
 995                 }
 996         g_strfreev(geometry);
 997 }
 998
 999 static void gr_filelist(const gchar *text, GIOChannel *channel, gpointer data)
1000 {
1001         get_filelist(text, channel, FALSE);
1002 }
1003
1004 static void gr_filelist_recurse(const gchar *text, GIOChannel *channel, gpointer data)
1005 {
1006         get_filelist(text, channel, TRUE);
1007 }
1008
1009 static void gr_file_tell(const gchar *text, GIOChannel *channel, gpointer data)
1010 {
1011         gchar *out_string;
1012         gchar *collection_name = NULL;
1013
1014         if (!layout_valid(&lw_id)) return;
1015
1016         if (image_get_path(lw_id->image))
1017                 {
1018                 if (lw_id->image->collection && lw_id->image->collection->name)
1019                         {
1020                         collection_name = remove_extension_from_path(lw_id->image->collection->name);
1021                         out_string = g_strconcat(image_get_path(lw_id->image), "    Collection: ", collection_name, NULL);
1022                         }
1023                 else
1024                         {
1025                         out_string = g_strconcat(image_get_path(lw_id->image), NULL);
1026                         }
1027                 }
1028         else
1029                 {
1030                 out_string = g_strconcat(lw_id->dir_fd->path, G_DIR_SEPARATOR_S, NULL);
1031                 }
1032
1033         g_io_channel_write_chars(channel, out_string, -1, NULL, NULL);
1034         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1035
1036         g_free(collection_name);
1037         g_free(out_string);
1038 }
1039
1040 static void gr_file_info(const gchar *text, GIOChannel *channel, gpointer data)
1041 {
1042         gchar *filename;
1043         FileData *fd;
1044         gchar *country_name;
1045         gchar *country_code;
1046         gchar *timezone;
1047         gchar *local_time;
1048         GString *out_string;
1049         FileFormatClass format_class;
1050
1051         if (!layout_valid(&lw_id)) return;
1052
1053         if (image_get_path(lw_id->image))
1054                 {
1055                 filename = g_strdup(image_get_path(lw_id->image));
1056                 fd = file_data_new_group(filename);
1057                 out_string = g_string_new(NULL);
1058
1059                 format_class = filter_file_get_class(image_get_path(lw_id->image));
1060                 if (format_class)
1061                         {
1062                         g_string_append_printf(out_string, _("Class: %s\n"), format_class_list[format_class]);
1063                         }
1064
1065                 if (fd->page_total > 1)
1066                         {
1067                         g_string_append_printf(out_string, _("Page no: %d/%d\n"), fd->page_num + 1, fd->page_total);
1068                         }
1069
1070                 if (fd->exif)
1071                         {
1072                         country_name = exif_get_data_as_text(fd->exif, "formatted.countryname");
1073                         if (country_name)
1074                                 {
1075                                 g_string_append_printf(out_string, _("Country name: %s\n"), country_name);
1076                                 g_free(country_name);
1077                                 }
1078
1079                         country_code = exif_get_data_as_text(fd->exif, "formatted.countrycode");
1080                         if (country_name)
1081                                 {
1082                                 g_string_append_printf(out_string, _("Country code: %s\n"), country_code);
1083                                 g_free(country_code);
1084                                 }
1085
1086                         timezone = exif_get_data_as_text(fd->exif, "formatted.timezone");
1087                         if (timezone)
1088                                 {
1089                                 g_string_append_printf(out_string, _("Timezone: %s\n"), timezone);
1090                                 g_free(timezone);
1091                                 }
1092
1093                         local_time = exif_get_data_as_text(fd->exif, "formatted.localtime");
1094                         if (local_time)
1095                                 {
1096                                 g_string_append_printf(out_string, ("Local time: %s\n"), local_time);
1097                                 g_free(local_time);
1098                                 }
1099                         }
1100
1101                 g_io_channel_write_chars(channel, out_string->str, -1, NULL, NULL);
1102                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1103
1104                 g_string_free(out_string, TRUE);
1105                 file_data_unref(fd);
1106                 g_free(filename);
1107                 }
1108 }
1109
1110 static gchar *config_file_path(const gchar *param)
1111 {
1112         gchar *path = NULL;
1113         gchar *full_name = NULL;
1114
1115         if (file_extension_match(param, ".xml"))
1116                 {
1117                 path = g_build_filename(get_window_layouts_dir(), param, NULL);
1118                 }
1119         else if (file_extension_match(param, NULL))
1120                 {
1121                 full_name = g_strconcat(param, ".xml", NULL);
1122                 path = g_build_filename(get_window_layouts_dir(), full_name, NULL);
1123                 }
1124
1125         if (!isfile(path))
1126                 {
1127                 g_free(path);
1128                 path = NULL;
1129                 }
1130
1131         g_free(full_name);
1132         return path;
1133 }
1134
1135 static gboolean is_config_file(const gchar *param)
1136 {
1137         gchar *name = NULL;
1138
1139         name = config_file_path(param);
1140         if (name)
1141                 {
1142                 g_free(name);
1143                 return TRUE;
1144                 }
1145         return FALSE;
1146 }
1147
1148 static void gr_config_load(const gchar *text, GIOChannel *channel, gpointer data)
1149 {
1150         gchar *filename = expand_tilde(text);
1151
1152         if (!g_strstr_len(filename, -1, G_DIR_SEPARATOR_S))
1153                 {
1154                 if (is_config_file(filename))
1155                         {
1156                         gchar *tmp = config_file_path(filename);
1157                         g_free(filename);
1158                         filename = tmp;
1159                         }
1160                 }
1161
1162         if (isfile(filename))
1163                 {
1164                 load_config_from_file(filename, FALSE);
1165                 }
1166         else
1167                 {
1168                 log_printf("remote sent filename that does not exist:\"%s\"\n", filename);
1169                 layout_set_path(NULL, homedir());
1170                 }
1171
1172         g_free(filename);
1173 }
1174
1175 static void gr_get_sidecars(const gchar *text, GIOChannel *channel, gpointer data)
1176 {
1177         gchar *filename = expand_tilde(text);
1178         FileData *fd = file_data_new_group(filename);
1179
1180         GList *work;
1181         if (fd->parent) fd = fd->parent;
1182
1183         g_io_channel_write_chars(channel, fd->path, -1, NULL, NULL);
1184         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1185
1186         work = fd->sidecar_files;
1187
1188         while (work)
1189                 {
1190                 fd = work->data;
1191                 work = work->next;
1192                 g_io_channel_write_chars(channel, fd->path, -1, NULL, NULL);
1193                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1194                 }
1195         g_free(filename);
1196 }
1197
1198 static void gr_get_destination(const gchar *text, GIOChannel *channel, gpointer data)
1199 {
1200         gchar *filename = expand_tilde(text);
1201         FileData *fd = file_data_new_group(filename);
1202
1203         if (fd->change && fd->change->dest)
1204                 {
1205                 g_io_channel_write_chars(channel, fd->change->dest, -1, NULL, NULL);
1206                 g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1207                 }
1208         g_free(filename);
1209 }
1210
1211 static void gr_file_view(const gchar *text, GIOChannel *channel, gpointer data)
1212 {
1213         gchar *filename;
1214         gchar *tilde_filename = expand_tilde(text);
1215
1216         filename = set_pwd(tilde_filename);
1217
1218         view_window_new(file_data_new_group(filename));
1219         g_free(filename);
1220         g_free(tilde_filename);
1221 }
1222
1223 static void gr_list_clear(const gchar *text, GIOChannel *channel, gpointer data)
1224 {
1225         RemoteData *remote_data = data;
1226
1227         remote_data->command_collection = NULL;
1228         remote_data->file_list = NULL;
1229         remote_data->single_dir = TRUE;
1230 }
1231
1232 static void gr_list_add(const gchar *text, GIOChannel *channel, gpointer data)
1233 {
1234         RemoteData *remote_data = data;
1235         gboolean new = TRUE;
1236         gchar *path = NULL;
1237         FileData *fd;
1238         FileData *first;
1239
1240         /* If there is a files list on the command line
1241          * check if they are all in the same folder
1242          */
1243         if (remote_data->single_dir)
1244                 {
1245                 GList *work;
1246                 work = remote_data->file_list;
1247                 while (work && remote_data->single_dir)
1248                         {
1249                         gchar *dirname;
1250                         dirname = g_path_get_dirname(((FileData *)work->data)->path);
1251                         if (!path)
1252                                 {
1253                                 path = g_strdup(dirname);
1254                                 }
1255                         else
1256                                 {
1257                                 if (g_strcmp0(path, dirname) != 0)
1258                                         {
1259                                         remote_data->single_dir = FALSE;
1260                                         }
1261                                 }
1262                         g_free(dirname);
1263                         work = work->next;
1264                         }
1265                 g_free(path);
1266                 }
1267
1268         gchar *pathname = g_path_get_dirname(text);
1269         layout_set_path(lw_id, pathname);
1270         g_free(pathname);
1271
1272         fd = file_data_new_simple(text);
1273         remote_data->file_list = g_list_append(remote_data->file_list, fd);
1274         file_data_unref(fd);
1275
1276         vf_select_none(lw_id->vf);
1277         remote_data->file_list = g_list_reverse(remote_data->file_list);
1278
1279         layout_select_list(lw_id, remote_data->file_list);
1280         layout_refresh(lw_id);
1281         first = (FileData *)(g_list_first(vf_selection_get_list(lw_id->vf))->data);
1282         layout_set_fd(lw_id, first);
1283
1284                 CollectionData *cd;
1285                 CollectWindow *cw;
1286
1287         if (!remote_data->command_collection && !remote_data->single_dir)
1288                 {
1289                 cw = collection_window_new(NULL);
1290                 cd = cw->cd;
1291
1292                 collection_path_changed(cd);
1293
1294                 remote_data->command_collection = cd;
1295                 }
1296         else if (!remote_data->single_dir)
1297                 {
1298                 new = (!collection_get_first(remote_data->command_collection));
1299                 }
1300
1301         if (!remote_data->single_dir)
1302                 {
1303                 layout_image_set_collection(lw_id, remote_data->command_collection, collection_get_first(remote_data->command_collection));
1304                 if (collection_add(remote_data->command_collection, file_data_new_group(text), FALSE) && new)
1305                         {
1306                         layout_image_set_collection(lw_id, remote_data->command_collection, collection_get_first(remote_data->command_collection));
1307                         }
1308                 }
1309 }
1310
1311 static void gr_raise(const gchar *text, GIOChannel *channel, gpointer data)
1312 {
1313         if (layout_valid(&lw_id))
1314                 {
1315                 gtk_window_present(GTK_WINDOW(lw_id->window));
1316                 }
1317 }
1318
1319 static void gr_pwd(const gchar *text, GIOChannel *channel, gpointer data)
1320 {
1321         LayoutWindow *lw = NULL;
1322
1323         layout_valid(&lw);
1324
1325         g_free(pwd);
1326         pwd = g_strdup(text);
1327         lw_id = lw;
1328 }
1329
1330 static void gr_print0(const gchar *text, GIOChannel *channel, gpointer data)
1331 {
1332         g_io_channel_write_chars(channel, "print0", -1, NULL, NULL);
1333         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1334 }
1335
1336 #ifdef HAVE_LUA
1337 static void gr_lua(const gchar *text, GIOChannel *channel, gpointer data)
1338 {
1339         gchar *result = NULL;
1340         gchar **lua_command;
1341
1342         lua_command = g_strsplit(text, ",", 2);
1343
1344         if (lua_command[0] && lua_command[1])
1345                 {
1346                 FileData *fd = file_data_new_group(lua_command[0]);
1347                 result = g_strdup(lua_callvalue(fd, lua_command[1], NULL));
1348                 if (result)
1349                         {
1350                         g_io_channel_write_chars(channel, result, -1, NULL, NULL);
1351                         }
1352                 else
1353                         {
1354                         g_io_channel_write_chars(channel, N_("lua error: no data"), -1, NULL, NULL);
1355                         }
1356                 }
1357         else
1358                 {
1359                 g_io_channel_write_chars(channel, N_("lua error: no data"), -1, NULL, NULL);
1360                 }
1361
1362         g_io_channel_write_chars(channel, "<gq_end_of_command>", -1, NULL, NULL);
1363
1364         g_strfreev(lua_command);
1365         g_free(result);
1366 }
1367 #endif
1368
1369 typedef struct _RemoteCommandEntry RemoteCommandEntry;
1370 struct _RemoteCommandEntry {
1371         gchar *opt_s;
1372         gchar *opt_l;
1373         void (*func)(const gchar *text, GIOChannel *channel, gpointer data);
1374         gboolean needs_extra;
1375         gboolean prefer_command_line;
1376         gchar *parameter;
1377         gchar *description;
1378 };
1379
1380 static RemoteCommandEntry remote_commands[] = {
1381         /* short, long                  callback,               extra, prefer, parameter, description */
1382         { "-n", "--next",               gr_image_next,          FALSE, FALSE, NULL, N_("next image") },
1383         { "-b", "--back",               gr_image_prev,          FALSE, FALSE, NULL, N_("previous image") },
1384         { NULL, "--first",              gr_image_first,         FALSE, FALSE, NULL, N_("first image") },
1385         { NULL, "--last",               gr_image_last,          FALSE, FALSE, NULL, N_("last image") },
1386         { "-f", "--fullscreen",         gr_fullscreen_toggle,   FALSE, TRUE,  NULL, N_("toggle full screen") },
1387         { "-fs","--fullscreen-start",   gr_fullscreen_start,    FALSE, FALSE, NULL, N_("start full screen") },
1388         { "-fS","--fullscreen-stop",    gr_fullscreen_stop,     FALSE, FALSE, NULL, N_("stop full screen") },
1389         { "-s", "--slideshow",          gr_slideshow_toggle,    FALSE, TRUE,  NULL, N_("toggle slide show") },
1390         { "-ss","--slideshow-start",    gr_slideshow_start,     FALSE, FALSE, NULL, N_("start slide show") },
1391         { "-sS","--slideshow-stop",     gr_slideshow_stop,      FALSE, FALSE, NULL, N_("stop slide show") },
1392         { NULL, "--slideshow-recurse:", gr_slideshow_start_rec, TRUE,  FALSE, N_("<FOLDER>"), N_("start recursive slide show in FOLDER") },
1393         { "-d", "--delay=",             gr_slideshow_delay,     TRUE,  FALSE, N_("<[H:][M:][N][.M]>"), N_("set slide show delay to Hrs Mins N.M seconds") },
1394         { "+t", "--tools-show",         gr_tools_show,          FALSE, TRUE,  NULL, N_("show tools") },
1395         { "-t", "--tools-hide",         gr_tools_hide,          FALSE, TRUE,  NULL, N_("hide tools") },
1396         { "-q", "--quit",               gr_quit,                FALSE, FALSE, NULL, N_("quit") },
1397         { NULL, "--config-load:",       gr_config_load,         TRUE,  FALSE, N_("<FILE>|layout ID"), N_("load configuration from FILE") },
1398         { NULL, "--get-sidecars:",      gr_get_sidecars,        TRUE,  FALSE, N_("<FILE>"), N_("get list of sidecars of FILE") },
1399         { NULL, "--get-destination:",   gr_get_destination,     TRUE,  FALSE, N_("<FILE>"), N_("get destination path of FILE") },
1400         { NULL, "file:",                gr_file_load,           TRUE,  FALSE, N_("<FILE>|<URL>"), N_("open FILE or URL, bring Geeqie window to the top") },
1401         { NULL, "--file:",              gr_file_load,           TRUE,  FALSE, N_("<FILE>|<URL>"), N_("open FILE or URL, bring Geeqie window to the top") },
1402         { 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") },
1403         { 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") },
1404         { NULL, "--tell",               gr_file_tell,           FALSE, FALSE, NULL, N_("print filename [and Collection] of current image") },
1405         { NULL, "--pixel-info",         gr_pixel_info,          FALSE, FALSE, NULL, N_("print pixel info of mouse pointer on current image") },
1406         { NULL, "--get-rectangle",      gr_rectangle,           FALSE, FALSE, NULL, N_("get rectangle co-ordinates") },
1407         { NULL, "--get-render-intent",  gr_render_intent,       FALSE, FALSE, NULL, N_("get render intent") },
1408         { NULL, "--get-filelist:",      gr_filelist,            TRUE,  FALSE, N_("[<FOLDER>]"), N_("get list of files and class") },
1409         { NULL, "--get-filelist-recurse:", gr_filelist_recurse, TRUE,  FALSE, N_("[<FOLDER>]"), N_("get list of files and class recursive") },
1410         { NULL, "--get-collection:",    gr_collection,          TRUE,  FALSE, N_("<COLLECTION>"), N_("get collection content") },
1411         { NULL, "--get-collection-list", gr_collection_list,    FALSE, FALSE, NULL, N_("get collection list") },
1412         { NULL, "--get-file-info",      gr_file_info,           FALSE, FALSE, NULL, N_("get file info") },
1413         { NULL, "view:",                gr_file_view,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE in new window") },
1414         { NULL, "--view:",              gr_file_view,           TRUE,  FALSE, N_("<FILE>"), N_("open FILE in new window") },
1415         { NULL, "--list-clear",         gr_list_clear,          FALSE, FALSE, NULL, N_("clear command line collection list") },
1416         { NULL, "--list-add:",          gr_list_add,            TRUE,  FALSE, N_("<FILE>"), N_("add FILE to command line collection list") },
1417         { NULL, "raise",                gr_raise,               FALSE, FALSE, NULL, N_("bring the Geeqie window to the top") },
1418         { NULL, "--raise",              gr_raise,               FALSE, FALSE, NULL, N_("bring the Geeqie window to the top") },
1419         { NULL, "--id:",                gr_lw_id,               TRUE, FALSE, N_("<ID>"), N_("window id for following commands") },
1420         { NULL, "--new-window",         gr_new_window,          FALSE, FALSE, NULL, N_("new window") },
1421         { NULL, "--close-window",       gr_close_window,        FALSE, FALSE, NULL, N_("close window") },
1422         { NULL, "--geometry=",          gr_geometry,            TRUE, FALSE, N_("<GEOMETRY>"), N_("set window geometry") },
1423         { "-ct:", "--cache-thumbs:",    gr_cache_thumb,         TRUE, FALSE, N_("clear|clean"), N_("clear or clean thumbnail cache") },
1424         { "-cs:", "--cache-shared:",    gr_cache_shared,        TRUE, FALSE, N_("clear|clean"), N_("clear or clean shared thumbnail cache") },
1425         { "-cm","--cache-metadata",      gr_cache_metadata,               FALSE, FALSE, NULL, N_("    clean the metadata cache") },
1426         { "-cr:", "--cache-render:",    gr_cache_render,        TRUE, FALSE, N_("<folder>  "), N_(" render thumbnails") },
1427         { "-crr:", "--cache-render-recurse:", gr_cache_render_recurse, TRUE, FALSE, N_("<folder> "), N_("render thumbnails recursively") },
1428         { "-crs:", "--cache-render-shared:", gr_cache_render_standard, TRUE, FALSE, N_("<folder> "), N_(" render thumbnails (see Help)") },
1429         { "-crsr:", "--cache-render-shared-recurse:", gr_cache_render_standard_recurse, TRUE, FALSE, N_("<folder>"), N_(" render thumbnails recursively (see Help)") },
1430 #ifdef HAVE_LUA
1431         { NULL, "--lua:",               gr_lua,                 TRUE, FALSE, N_("<FILE>,<lua script>"), N_("run lua script on FILE") },
1432 #endif
1433         { NULL, "--PWD:",               gr_pwd,                 TRUE, FALSE, N_("<PWD>"), N_("use PWD as working directory for following commands") },
1434         { NULL, "--print0",             gr_print0,              TRUE, FALSE, NULL, N_("terminate returned data with null character instead of newline") },
1435         { NULL, NULL, NULL, FALSE, FALSE, NULL, NULL }
1436 };
1437
1438 static RemoteCommandEntry *remote_command_find(const gchar *text, const gchar **offset)
1439 {
1440         gboolean match = FALSE;
1441         gint i;
1442
1443         i = 0;
1444         while (!match && remote_commands[i].func != NULL)
1445                 {
1446                 if (remote_commands[i].needs_extra)
1447                         {
1448                         if (remote_commands[i].opt_s &&
1449                             strncmp(remote_commands[i].opt_s, text, strlen(remote_commands[i].opt_s)) == 0)
1450                                 {
1451                                 if (offset) *offset = text + strlen(remote_commands[i].opt_s);
1452                                 return &remote_commands[i];
1453                                 }
1454                         else if (remote_commands[i].opt_l &&
1455                                  strncmp(remote_commands[i].opt_l, text, strlen(remote_commands[i].opt_l)) == 0)
1456                                 {
1457                                 if (offset) *offset = text + strlen(remote_commands[i].opt_l);
1458                                 return &remote_commands[i];
1459                                 }
1460                         }
1461                 else
1462                         {
1463                         if ((remote_commands[i].opt_s && strcmp(remote_commands[i].opt_s, text) == 0) ||
1464                             (remote_commands[i].opt_l && strcmp(remote_commands[i].opt_l, text) == 0))
1465                                 {
1466                                 if (offset) *offset = text;
1467                                 return &remote_commands[i];
1468                                 }
1469                         }
1470
1471                 i++;
1472                 }
1473
1474         return NULL;
1475 }
1476
1477 static void remote_cb(RemoteConnection *rc, const gchar *text, GIOChannel *channel, gpointer data)
1478 {
1479         RemoteCommandEntry *entry;
1480         const gchar *offset;
1481
1482         entry = remote_command_find(text, &offset);
1483         if (entry && entry->func)
1484                 {
1485                 entry->func(offset, channel, data);
1486                 }
1487         else
1488                 {
1489                 log_printf("unknown remote command:%s\n", text);
1490                 }
1491 }
1492
1493 void remote_help(void)
1494 {
1495         gint i;
1496         gchar *s_opt_param;
1497         gchar *l_opt_param;
1498
1499         print_term(FALSE, _("Remote command list:\n"));
1500
1501         i = 0;
1502         while (remote_commands[i].func != NULL)
1503                 {
1504                 if (remote_commands[i].description)
1505                         {
1506                         s_opt_param = g_strconcat(remote_commands[i].opt_s, remote_commands[i].parameter, NULL);
1507                         l_opt_param = g_strconcat(remote_commands[i].opt_l, remote_commands[i].parameter, NULL);
1508                         printf_term(FALSE, "  %-11s%-1s %-30s%-s\n",
1509                                     (remote_commands[i].opt_s) ? s_opt_param : "",
1510                                     (remote_commands[i].opt_s && remote_commands[i].opt_l) ? "," : " ",
1511                                     (remote_commands[i].opt_l) ? l_opt_param : "",
1512                                     _(remote_commands[i].description));
1513                         g_free(s_opt_param);
1514                         g_free(l_opt_param);
1515                         }
1516                 i++;
1517                 }
1518         printf_term(FALSE, N_("\n  All other command line parameters are used as plain files if they exists.\n"));
1519 }
1520
1521 GList *remote_build_list(GList *list, gint argc, gchar *argv[], GList **errors)
1522 {
1523         gint i;
1524
1525         i = 1;
1526         while (i < argc)
1527                 {
1528                 RemoteCommandEntry *entry;
1529
1530                 entry = remote_command_find(argv[i], NULL);
1531                 if (entry)
1532                         {
1533                         list = g_list_append(list, argv[i]);
1534                         }
1535                 else if (errors && !isname(argv[i]))
1536                         {
1537                         *errors = g_list_append(*errors, argv[i]);
1538                         }
1539                 i++;
1540                 }
1541
1542         return list;
1543 }
1544
1545 /**
1546  * \param arg_exec Binary (argv0)
1547  * \param remote_list Evaluated and recognized remote commands
1548  * \param path The current path
1549  * \param cmd_list List of all non collections in Path (gchar *path)
1550  * \param collection_list List of all collections in argv
1551  */
1552 void remote_control(const gchar *arg_exec, GList *remote_list, const gchar *path,
1553                     GList *cmd_list, GList *collection_list)
1554 {
1555         RemoteConnection *rc;
1556         gboolean started = FALSE;
1557         gchar *buf;
1558
1559         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1560         rc = remote_client_open(buf);
1561         if (!rc)
1562                 {
1563                 GString *command;
1564                 GList *work;
1565                 gint retry_count = 12;
1566                 gboolean blank = FALSE;
1567
1568                 printf_term(FALSE, _("Remote %s not running, starting..."), GQ_APPNAME);
1569
1570                 command = g_string_new(arg_exec);
1571
1572                 work = remote_list;
1573                 while (work)
1574                         {
1575                         gchar *text;
1576                         RemoteCommandEntry *entry;
1577
1578                         text = work->data;
1579                         work = work->next;
1580
1581                         entry = remote_command_find(text, NULL);
1582                         if (entry)
1583                                 {
1584                                 /* If Geeqie is not running, stop the --new-window command opening a second window */
1585                                 if (g_strcmp0(text, "--new-window") == 0)
1586                                         {
1587                                         remote_list = g_list_remove(remote_list, text);
1588                                         }
1589                                 if (entry->prefer_command_line)
1590                                         {
1591                                         remote_list = g_list_remove(remote_list, text);
1592                                         g_string_append(command, " ");
1593                                         g_string_append(command, text);
1594                                         }
1595                                 if (entry->opt_l && strcmp(entry->opt_l, "file:") == 0)
1596                                         {
1597                                         blank = TRUE;
1598                                         }
1599                                 }
1600                         }
1601
1602                 if (blank || cmd_list || path) g_string_append(command, " --blank");
1603                 if (get_debug_level()) g_string_append(command, " --debug");
1604
1605                 g_string_append(command, " &");
1606                 runcmd(command->str);
1607                 g_string_free(command, TRUE);
1608
1609                 while (!rc && retry_count > 0)
1610                         {
1611                         usleep((retry_count > 10) ? 500000 : 1000000);
1612                         rc = remote_client_open(buf);
1613                         if (!rc) print_term(FALSE, ".");
1614                         retry_count--;
1615                         }
1616
1617                 print_term(FALSE, "\n");
1618
1619                 started = TRUE;
1620                 }
1621         g_free(buf);
1622
1623         if (rc)
1624                 {
1625                 GList *work;
1626                 const gchar *prefix;
1627                 gboolean use_path = TRUE;
1628                 gboolean sent = FALSE;
1629
1630                 work = remote_list;
1631                 while (work)
1632                         {
1633                         gchar *text;
1634                         RemoteCommandEntry *entry;
1635
1636                         text = work->data;
1637                         work = work->next;
1638
1639                         entry = remote_command_find(text, NULL);
1640                         if (entry &&
1641                             entry->opt_l &&
1642                             strcmp(entry->opt_l, "file:") == 0) use_path = FALSE;
1643
1644                         remote_client_send(rc, text);
1645
1646                         sent = TRUE;
1647                         }
1648
1649                 if (cmd_list && cmd_list->next)
1650                         {
1651                         prefix = "--list-add:";
1652                         remote_client_send(rc, "--list-clear");
1653                         }
1654                 else
1655                         {
1656                         prefix = "file:";
1657                         }
1658
1659                 work = cmd_list;
1660                 while (work)
1661                         {
1662                         gchar *text;
1663
1664                         text = g_strconcat(prefix, work->data, NULL);
1665                         remote_client_send(rc, text);
1666                         g_free(text);
1667                         work = work->next;
1668
1669                         sent = TRUE;
1670                         }
1671
1672                 if (path && !cmd_list && use_path)
1673                         {
1674                         gchar *text;
1675
1676                         text = g_strdup_printf("file:%s", path);
1677                         remote_client_send(rc, text);
1678                         g_free(text);
1679
1680                         sent = TRUE;
1681                         }
1682
1683                 work = collection_list;
1684                 while (work)
1685                         {
1686                         const gchar *name;
1687                         gchar *text;
1688
1689                         name = work->data;
1690                         work = work->next;
1691
1692                         text = g_strdup_printf("file:%s", name);
1693                         remote_client_send(rc, text);
1694                         g_free(text);
1695
1696                         sent = TRUE;
1697                         }
1698
1699                 if (!started && !sent)
1700                         {
1701                         remote_client_send(rc, "raise");
1702                         }
1703                 }
1704         else
1705                 {
1706                 print_term(TRUE, _("Remote not available\n"));
1707                 }
1708
1709         _exit(0);
1710 }
1711
1712 RemoteConnection *remote_server_init(gchar *path, CollectionData *command_collection)
1713 {
1714         RemoteConnection *remote_connection = remote_server_open(path);
1715         RemoteData *remote_data = g_new(RemoteData, 1);
1716
1717         remote_data->command_collection = command_collection;
1718
1719         remote_server_subscribe(remote_connection, remote_cb, remote_data);
1720         return remote_connection;
1721 }
1722 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */