src/main.c

   1 /*
   2  * GQview
   3  * (C) 2004 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12
  13 #include "gqview.h"
  14
  15 #include "cache.h"
  16 #include "collect.h"
  17 #include "collect-io.h"
  18 #include "dnd.h"
  19 #include "editors.h"
  20 #include "filelist.h"
  21 #include "img-view.h"
  22 #include "layout.h"
  23 #include "layout_image.h"
  24 #include "menu.h"
  25 #include "preferences.h"
  26 #include "rcfile.h"
  27 #include "remote.h"
  28 #include "similar.h"
  29 #include "slideshow.h"
  30 #include "utilops.h"
  31 #include "ui_bookmark.h"
  32 #include "ui_help.h"
  33 #include "ui_fileops.h"
  34 #include "ui_tabcomp.h"
  35 #include "ui_utildlg.h"
  36
  37 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  38
  39 #include "icons/icon.xpm"
  40
  41
  42 #include <math.h>
  43
  44
  45 static RemoteConnection *gqview_remote = NULL;
  46 static CollectionData *gqview_command_collection = NULL;
  47
  48
  49 /*
  50  *-----------------------------------------------------------------------------
  51  * misc (public)
  52  *-----------------------------------------------------------------------------
  53  */
  54
  55 typedef struct _WindowIconData WindowIconData;
  56 struct _WindowIconData
  57 {
  58         const char **icon;
  59         gchar *path;
  60 };
  61
  62 static void window_set_icon_cb(GtkWidget *widget, gpointer data)
  63 {
  64         WindowIconData *wid = data;
  65         GdkPixbuf *pb;
  66         GdkPixmap *pixmap;
  67         GdkBitmap *mask;
  68
  69         if (wid->icon)
  70                 {
  71                 pb = gdk_pixbuf_new_from_xpm_data(wid->icon);
  72                 }
  73         else
  74                 {
  75                 pb = gdk_pixbuf_new_from_file(wid->path, NULL);
  76                 }
  77
  78         g_free(wid->path);
  79         g_free(wid);
  80
  81         if (!pb) return;
  82
  83         gdk_pixbuf_render_pixmap_and_mask(pb, &pixmap, &mask, 128);
  84         gdk_pixbuf_unref(pb);
  85
  86         gdk_window_set_icon(widget->window, NULL, pixmap, mask);
  87         /* apparently, gdk_window_set_icon does not ref the pixmap and mask, so don't unref it (leak?) */
  88 }
  89
  90 void window_set_icon(GtkWidget *window, const char **icon, const gchar *file)
  91 {
  92         WindowIconData *wid;
  93
  94         if (!icon && !file) icon = (const char **)icon_xpm;
  95
  96         wid = g_new0(WindowIconData, 1);
  97         wid->icon = icon;
  98         wid->path = g_strdup(file);
  99
 100         g_signal_connect(G_OBJECT(window), "realize",
 101                          G_CALLBACK(window_set_icon_cb), wid);
 102 }
 103
 104 gint window_maximized(GtkWidget *window)
 105 {
 106         GdkWindowState state;
 107
 108         if (!window || !window->window) return FALSE;
 109
 110         state = gdk_window_get_state(window->window);
 111         return (state & GDK_WINDOW_STATE_MAXIMIZED);
 112 }
 113
 114 gdouble get_zoom_increment(void)
 115 {
 116         return ((zoom_increment != 0) ? (gdouble)zoom_increment / 10.0 : 1.0);
 117 }
 118
 119 /*
 120  *-----------------------------------------------------------------------------
 121  * Open  browser with the help Documentation
 122  *-----------------------------------------------------------------------------
 123  */
 124
 125 static gchar *command_result(const gchar *binary, const gchar *command)
 126 {
 127         gchar *result = NULL;
 128         FILE *f;
 129         char buf[2048];
 130         int l;
 131
 132         if (!binary) return NULL;
 133         if (!file_in_path(binary)) return NULL;
 134
 135         if (!command) return g_strdup(binary);
 136         if (command[0] == '!') return g_strdup(command + 1);
 137
 138         f = popen(command, "r");
 139         if (!f) return NULL;
 140
 141         while ((l = fread(buf, sizeof(char), sizeof(buf), f)) > 0)
 142                 {
 143                 if (!result)
 144                         {
 145                         int n = 0;
 146
 147                         while (n < l && buf[n] != '\n' && buf[n] != '\r') n++;
 148                         if (n > 0) result = g_strndup(buf, n);
 149                         }
 150                 }
 151
 152         pclose(f);
 153
 154         return result;
 155 }
 156
 157 static void help_browser_command(const gchar *command, const gchar *path)
 158 {
 159         gchar *result;
 160         gchar *buf;
 161         gchar *begin;
 162         gchar *end;
 163
 164         if (!command || !path) return;
 165
 166         if (debug) printf("Help command pre \"%s\", \"%s\"\n", command, path);
 167
 168         buf = g_strdup(command);
 169         begin = strstr(buf, "%s");
 170         if (begin)
 171                 {
 172                 *begin = '\0';
 173                 end = begin + 2;
 174                 begin = buf;
 175
 176                 result = g_strdup_printf("%s%s%s &", begin, path, end);
 177                 }
 178         else
 179                 {
 180                 result = g_strdup_printf("%s \"%s\" &", command, path);
 181                 }
 182         g_free(buf);
 183
 184         if (debug) printf("Help command post [%s]\n", result);
 185
 186         system(result);
 187
 188         g_free(result);
 189 }
 190
 191 /*
 192  * each set of 2 strings is one browser:
 193  *   the 1st is the binary to look for in the path
 194  *   the 2nd has 3 capabilities:
 195  *        NULL     exec binary with html file path as command line
 196  *        string   exec string and use results for command line
 197  *        !string  use text following ! as command line, replacing optional %s with html file path
 198 */
 199 static gchar *html_browsers[] =
 200 {
 201         /* Redhat has a nifty htmlview script to start the user's preferred browser */
 202         "htmlview",     NULL,
 203         /* GNOME 2 */
 204         "gconftool-2",  "gconftool-2 -g /desktop/gnome/url-handlers/http/command",
 205         /* KDE */
 206         "kfmclient",    "!kfmclient exec \"%s\"",
 207         /* use fallbacks */
 208         "firefox",      NULL,
 209         "mozilla",      NULL,
 210         "konqueror",    NULL,
 211         "netscape",     NULL,
 212         NULL,           NULL
 213 };
 214
 215 static void help_browser_run(void)
 216 {
 217         gchar *result = NULL;
 218         gint i;
 219
 220         i = 0;
 221         while (!result && html_browsers[i])
 222                 {
 223                 result = command_result(html_browsers[i], html_browsers[i+1]);
 224                 i += 2;
 225                 }
 226
 227         if (!result)
 228                 {
 229                 printf("Unable to detect an installed browser.\n");
 230                 return;
 231                 }
 232
 233         help_browser_command(result, GQVIEW_HTMLDIR "/index.html");
 234
 235         g_free(result);
 236 }
 237
 238 /*
 239  *-----------------------------------------------------------------------------
 240  * help window
 241  *-----------------------------------------------------------------------------
 242  */
 243
 244 static GtkWidget *help_window = NULL;
 245
 246 static void help_window_destroy_cb(GtkWidget *window, gpointer data)
 247 {
 248         help_window = NULL;
 249 }
 250
 251 void help_window_show(const gchar *key)
 252 {
 253         if (key && strcmp(key, "html_contents") == 0)
 254                 {
 255                 help_browser_run();
 256                 return;
 257                 }
 258
 259         if (help_window)
 260                 {
 261                 gtk_window_present(GTK_WINDOW(help_window));
 262                 if (key) help_window_set_key(help_window, key);
 263                 return;
 264                 }
 265
 266         help_window = help_window_new(_("Help - GQview"), "GQview", "help",
 267                                       GQVIEW_HELPDIR "/README", key);
 268         g_signal_connect(G_OBJECT(help_window), "destroy",
 269                          G_CALLBACK(help_window_destroy_cb), NULL);
 270 }
 271
 272
 273 /*
 274  *-----------------------------------------------------------------------------
 275  * keyboard functions
 276  *-----------------------------------------------------------------------------
 277  */
 278
 279 void keyboard_scroll_calc(gint *x, gint *y, GdkEventKey *event)
 280 {
 281         static gint delta = 0;
 282         static guint32 time_old = 0;
 283         static guint keyval_old = 0;
 284
 285         if (event->state & GDK_CONTROL_MASK)
 286                 {
 287                 if (*x < 0) *x = G_MININT / 2;
 288                 if (*x > 0) *x = G_MAXINT / 2;
 289                 if (*y < 0) *y = G_MININT / 2;
 290                 if (*y > 0) *y = G_MAXINT / 2;
 291
 292                 return;
 293                 }
 294
 295         if (progressive_key_scrolling)
 296                 {
 297                 guint32 time_diff;
 298
 299                 time_diff = event->time - time_old;
 300
 301                 /* key pressed within 125ms ? (1/8 second) */
 302                 if (time_diff > 125 || event->keyval != keyval_old) delta = 0;
 303
 304                 time_old = event->time;
 305                 keyval_old = event->keyval;
 306
 307                 delta += 2;
 308                 }
 309         else
 310                 {
 311                 delta = 8;
 312                 }
 313
 314         *x = *x * delta;
 315         *y = *y * delta;
 316 }
 317
 318
 319 /*
 320  *-----------------------------------------------------------------------------
 321  * remote functions
 322  *-----------------------------------------------------------------------------
 323  */
 324
 325 static void gr_image_next(const gchar *text, gpointer data)
 326 {
 327         layout_image_next(NULL);
 328 }
 329
 330 static void gr_image_prev(const gchar *text, gpointer data)
 331 {
 332         layout_image_prev(NULL);
 333 }
 334
 335 static void gr_image_first(const gchar *text, gpointer data)
 336 {
 337         layout_image_first(NULL);
 338 }
 339
 340 static void gr_image_last(const gchar *text, gpointer data)
 341 {
 342         layout_image_last(NULL);
 343 }
 344
 345 static void gr_fullscreen_toggle(const gchar *text, gpointer data)
 346 {
 347         layout_image_full_screen_toggle(NULL);
 348 }
 349
 350 static void gr_fullscreen_start(const gchar *text, gpointer data)
 351 {
 352         layout_image_full_screen_start(NULL);
 353 }
 354
 355 static void gr_fullscreen_stop(const gchar *text, gpointer data)
 356 {
 357         layout_image_full_screen_stop(NULL);
 358 }
 359
 360 static void gr_slideshow_start_rec(const gchar *text, gpointer data)
 361 {
 362         GList *list;
 363
 364         list = path_list_recursive(text);
 365         if (!list) return;
 366 printf("length: %d\n", g_list_length(list));
 367         layout_image_slideshow_stop(NULL);
 368         layout_image_slideshow_start_from_list(NULL, list);
 369 }
 370
 371 static void gr_slideshow_toggle(const gchar *text, gpointer data)
 372 {
 373         layout_image_slideshow_toggle(NULL);
 374 }
 375
 376 static void gr_slideshow_start(const gchar *text, gpointer data)
 377 {
 378         layout_image_slideshow_start(NULL);
 379 }
 380
 381 static void gr_slideshow_stop(const gchar *text, gpointer data)
 382 {
 383         layout_image_slideshow_stop(NULL);
 384 }
 385
 386 static void gr_slideshow_delay(const gchar *text, gpointer data)
 387 {
 388         gdouble n;
 389
 390         n = strtod(text, NULL);
 391         if (n < SLIDESHOW_MIN_SECONDS || n > SLIDESHOW_MAX_SECONDS)
 392                 {
 393                 gchar *buf;
 394
 395                 buf = g_strdup_printf("Remote slideshow delay out of range (%.1f to %.1f)\n",
 396                                       SLIDESHOW_MIN_SECONDS, SLIDESHOW_MAX_SECONDS);
 397                 print_term(buf);
 398                 g_free(buf);
 399
 400                 return;
 401                 }
 402         slideshow_delay = (gint)(n * 10.0 + 0.01);
 403 }
 404
 405 static void gr_tools_show(const gchar *text, gpointer data)
 406 {
 407         gint popped;
 408         gint hidden;
 409
 410         if (layout_tools_float_get(NULL, &popped, &hidden) && hidden)
 411                 {
 412                 layout_tools_float_set(NULL, popped, FALSE);
 413                 }
 414 }
 415
 416 static void gr_tools_hide(const gchar *text, gpointer data)
 417 {
 418         gint popped;
 419         gint hidden;
 420
 421         if (layout_tools_float_get(NULL, &popped, &hidden) && !hidden)
 422                 {
 423                 layout_tools_float_set(NULL, popped, TRUE);
 424                 }
 425 }
 426
 427 static gint gr_quit_idle_cb(gpointer data)
 428 {
 429         exit_gqview();
 430
 431         return FALSE;
 432 }
 433
 434 static void gr_quit(const gchar *text, gpointer data)
 435 {
 436         /* schedule exit when idle, if done from within a
 437          * remote handler remote_close will crash
 438          */
 439         g_idle_add(gr_quit_idle_cb, NULL);
 440 }
 441
 442 static void gr_file_load(const gchar *text, gpointer data)
 443 {
 444         if (isfile(text))
 445                 {
 446                 if (file_extension_match(text, ".gqv"))
 447                         {
 448                         collection_window_new(text);
 449                         }
 450                 else
 451                         {
 452                         layout_set_path(NULL, text);
 453                         }
 454                 }
 455         else if (isdir(text))
 456                 {
 457                 layout_set_path(NULL, text);
 458                 }
 459         else
 460                 {
 461                 printf("remote sent filename that does not exist:\"%s\"\n", text);
 462                 }
 463 }
 464
 465 static void gr_file_view(const gchar *text, gpointer data)
 466 {
 467         view_window_new(text);
 468 }
 469
 470 static void gr_list_clear(const gchar *text, gpointer data)
 471 {
 472         if (gqview_command_collection) collection_unref(gqview_command_collection);
 473         gqview_command_collection = NULL;
 474 }
 475
 476 static void gr_list_add(const gchar *text, gpointer data)
 477 {
 478         gint new = TRUE;
 479
 480         if (!gqview_command_collection)
 481                 {
 482                 CollectionData *cd;
 483
 484                 cd = collection_new("");
 485
 486                 g_free(cd->path);
 487                 cd->path = NULL;
 488                 g_free(cd->name);
 489                 cd->name = g_strdup(_("Command line"));
 490
 491                 gqview_command_collection = cd;
 492                 }
 493         else
 494                 {
 495                 new = (!collection_get_first(gqview_command_collection));
 496                 }
 497
 498         if (collection_add(gqview_command_collection, text, FALSE) && new)
 499                 {
 500                 layout_image_set_collection(NULL, gqview_command_collection,
 501                                             collection_get_first(gqview_command_collection));
 502                 }
 503 }
 504
 505 static void gr_raise(const gchar *text, gpointer data)
 506 {
 507         LayoutWindow *lw = NULL;
 508
 509         if (layout_valid(&lw))
 510                 {
 511                 gtk_window_present(GTK_WINDOW(lw->window));
 512                 }
 513 }
 514
 515 typedef struct _RemoteCommandEntry RemoteCommandEntry;
 516 struct _RemoteCommandEntry {
 517         gchar *opt_s;
 518         gchar *opt_l;
 519         void (*func)(const gchar *text, gpointer data);
 520         gint needs_extra;
 521         gint prefer_command_line;
 522         gchar *description;
 523 };
 524
 525 static RemoteCommandEntry remote_commands[] = {
 526         /* short, long                  callback,               extra, prefer,description */
 527         { "-n", "--next",               gr_image_next,          FALSE, FALSE, N_("next image") },
 528         { "-b", "--back",               gr_image_prev,          FALSE, FALSE, N_("previous image") },
 529         { NULL, "--first",              gr_image_first,         FALSE, FALSE, N_("first image") },
 530         { NULL, "--last",               gr_image_last,          FALSE, FALSE, N_("last image") },
 531         { "-f", "--fullscreen",         gr_fullscreen_toggle,   FALSE, TRUE,  N_("toggle full screen") },
 532         { "-fs","--fullscreen-start",   gr_fullscreen_start,    FALSE, FALSE, N_("start full screen") },
 533         { "-fS","--fullscreen-stop",    gr_fullscreen_stop,     FALSE, FALSE, N_("stop full screen") },
 534         { "-s", "--slideshow",          gr_slideshow_toggle,    FALSE, TRUE,  N_("toggle slide show") },
 535         { "-ss","--slideshow-start",    gr_slideshow_start,     FALSE, FALSE, N_("start slide show") },
 536         { "-sS","--slideshow-stop",     gr_slideshow_stop,      FALSE, FALSE, N_("stop slide show") },
 537         { "-sr","--slideshow-recurse",  gr_slideshow_start_rec, TRUE,  FALSE, N_("start recursive slide show") },
 538         { "-d", "--delay=",             gr_slideshow_delay,     TRUE,  FALSE, N_("set slide show delay in seconds") },
 539         { "+t", "--tools-show",         gr_tools_show,          FALSE, TRUE,  N_("show tools") },
 540         { "-t", "--tools-hide",         gr_tools_hide,          FALSE, TRUE,  N_("hide tools") },
 541         { "-q", "--quit",               gr_quit,                FALSE, FALSE, N_("quit") },
 542         { NULL, "file:",                gr_file_load,           TRUE,  FALSE, N_("open file") },
 543         { NULL, "view:",                gr_file_view,           TRUE,  FALSE, N_("open file in new window") },
 544         { NULL, "--list-clear",         gr_list_clear,          FALSE, FALSE, NULL },
 545         { NULL, "--list-add:",          gr_list_add,            TRUE,  FALSE, NULL },
 546         { NULL, "raise",                gr_raise,               FALSE, FALSE, NULL },
 547         { NULL, NULL, NULL, FALSE, FALSE, NULL }
 548 };
 549
 550 static RemoteCommandEntry *gqview_remote_command_find(const gchar *text, const gchar **offset)
 551 {
 552         gint match = FALSE;
 553         gint i;
 554
 555         i = 0;
 556         while (!match && remote_commands[i].func != NULL)
 557                 {
 558                 if (remote_commands[i].needs_extra)
 559                         {
 560                         if (remote_commands[i].opt_s &&
 561                             strncmp(remote_commands[i].opt_s, text, strlen(remote_commands[i].opt_s)) == 0)
 562                                 {
 563                                 if (offset) *offset = text + strlen(remote_commands[i].opt_s);
 564                                 return &remote_commands[i];
 565                                 }
 566                         else if (remote_commands[i].opt_l &&
 567                                  strncmp(remote_commands[i].opt_l, text, strlen(remote_commands[i].opt_l)) == 0)
 568                                 {
 569                                 if (offset) *offset = text + strlen(remote_commands[i].opt_l);
 570                                 return &remote_commands[i];
 571                                 }
 572                         }
 573                 else
 574                         {
 575                         if ((remote_commands[i].opt_s && strcmp(remote_commands[i].opt_s, text) == 0) ||
 576                             (remote_commands[i].opt_l && strcmp(remote_commands[i].opt_l, text) == 0))
 577                                 {
 578                                 if (offset) *offset = text;
 579                                 return &remote_commands[i];
 580                                 }
 581                         }
 582
 583                 i++;
 584                 }
 585
 586         return NULL;
 587 }
 588
 589 static void gqview_remote_cb(RemoteConnection *rc, const gchar *text, gpointer data)
 590 {
 591         RemoteCommandEntry *entry;
 592         const gchar *offset;
 593
 594         entry = gqview_remote_command_find(text, &offset);
 595         if (entry && entry->func)
 596                 {
 597                 entry->func(offset, data);
 598                 }
 599         else
 600                 {
 601                 printf("unknown remote command:%s\n", text);
 602                 }
 603 }
 604
 605 static void gqview_remote_help(void)
 606 {
 607         gint i;
 608
 609         print_term(_("Remote command list:\n"));
 610
 611         i = 0;
 612         while (remote_commands[i].func != NULL)
 613                 {
 614                 if (remote_commands[i].description)
 615                         {
 616                         gchar *buf;
 617
 618                         buf = g_strdup_printf("  %-3s%s %-20s %s\n",
 619                                 (remote_commands[i].opt_s) ? remote_commands[i].opt_s : "",
 620                                 (remote_commands[i].opt_s && remote_commands[i].opt_l) ? "," : " ",
 621                                 (remote_commands[i].opt_l) ? remote_commands[i].opt_l : "",
 622                                 _(remote_commands[i].description));
 623
 624                         print_term(buf);
 625                         g_free(buf);
 626                         }
 627                 i++;
 628                 }
 629 }
 630
 631 static GList *gqview_remote_build_list(GList *list, int argc, char *argv[])
 632 {
 633         gint i;
 634
 635         i = 1;
 636         while (i < argc)
 637                 {
 638                 RemoteCommandEntry *entry;
 639
 640                 entry = gqview_remote_command_find(argv[i], NULL);
 641                 if (entry)
 642                         {
 643                         list = g_list_append(list, argv[i]);
 644                         }
 645                 i++;
 646                 }
 647
 648         return list;
 649 }
 650
 651 static void gqview_remote_control(const gchar *arg_exec, GList *remote_list, const gchar *path,
 652                                   GList *cmd_list, GList *collection_list)
 653 {
 654         RemoteConnection *rc;
 655         gint started = FALSE;
 656         gchar *buf;
 657
 658         buf = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/.command", NULL);
 659         rc = remote_client_open(buf);
 660         if (!rc)
 661                 {
 662                 GString *command;
 663                 GList *work;
 664                 gint retry_count = 12;
 665                 gint blank = FALSE;
 666
 667                 print_term(_("Remote GQview not running, starting..."));
 668                 command = g_string_new(arg_exec);
 669
 670                 work = remote_list;
 671                 while (work)
 672                         {
 673                         gchar *text;
 674                         RemoteCommandEntry *entry;
 675
 676                         text = work->data;
 677                         work = work->next;
 678
 679                         entry = gqview_remote_command_find(text, NULL);
 680                         if (entry)
 681                                 {
 682                                 if (entry->prefer_command_line)
 683                                         {
 684                                         remote_list = g_list_remove(remote_list, text);
 685                                         g_string_append(command, " ");
 686                                         g_string_append(command, text);
 687                                         }
 688                                 if (entry->opt_l && strcmp(entry->opt_l, "file:") == 0)
 689                                         {
 690                                         blank = TRUE;
 691                                         }
 692                                 }
 693                         }
 694
 695                 if (blank || cmd_list || path) g_string_append(command, " --blank");
 696                 if (debug) g_string_append(command, " --debug");
 697
 698                 g_string_append(command, " &");
 699                 system(command->str);
 700                 g_string_free(command, TRUE);
 701
 702                 while (!rc && retry_count > 0)
 703                         {
 704                         usleep((retry_count > 10) ? 500000 : 1000000);
 705                         rc = remote_client_open(buf);
 706                         if (!rc) print_term(".");
 707                         retry_count--;
 708                         }
 709
 710                 print_term("\n");
 711
 712                 started = TRUE;
 713                 }
 714         g_free(buf);
 715
 716         if (rc)
 717                 {
 718                 GList *work;
 719                 const gchar *prefix;
 720                 gint use_path = TRUE;
 721                 gint sent = FALSE;
 722
 723                 work = remote_list;
 724                 while (work)
 725                         {
 726                         gchar *text;
 727                         RemoteCommandEntry *entry;
 728
 729                         text = work->data;
 730                         work = work->next;
 731
 732                         entry = gqview_remote_command_find(text, NULL);
 733                         if (entry &&
 734                             entry->opt_l &&
 735                             strcmp(entry->opt_l, "file:") == 0) use_path = FALSE;
 736
 737                         remote_client_send(rc, text);
 738
 739                         sent = TRUE;
 740                         }
 741
 742                 if (cmd_list && cmd_list->next)
 743                         {
 744                         prefix = "--list-add:";
 745                         remote_client_send(rc, "--list-clear");
 746                         }
 747                 else
 748                         {
 749                         prefix = "file:";
 750                         }
 751
 752                 work = cmd_list;
 753                 while (work)
 754                         {
 755                         const gchar *name;
 756                         gchar *text;
 757
 758                         name = work->data;
 759                         work = work->next;
 760
 761                         text = g_strconcat(prefix, name, NULL);
 762                         remote_client_send(rc, text);
 763                         g_free(text);
 764
 765                         sent = TRUE;
 766                         }
 767
 768                 if (path && !cmd_list && use_path)
 769                         {
 770                         gchar *text;
 771
 772                         text = g_strdup_printf("file:%s", path);
 773                         remote_client_send(rc, text);
 774                         g_free(text);
 775
 776                         sent = TRUE;
 777                         }
 778
 779                 work = collection_list;
 780                 while (work)
 781                         {
 782                         const gchar *name;
 783                         gchar *text;
 784
 785                         name = work->data;
 786                         work = work->next;
 787
 788                         text = g_strdup_printf("file:%s", name);
 789                         remote_client_send(rc, text);
 790                         g_free(text);
 791
 792                         sent = TRUE;
 793                         }
 794
 795                 if (!started && !sent)
 796                         {
 797                         remote_client_send(rc, "raise");
 798                         }
 799                 }
 800         else
 801                 {
 802                 print_term(_("Remote not available\n"));
 803                 }
 804
 805         _exit(0);
 806 }
 807
 808 /*
 809  *-----------------------------------------------------------------------------
 810  * command line parser (private) hehe, who needs popt anyway?
 811  *-----------------------------------------------------------------------------
 812  */
 813
 814 static gint startup_blank = FALSE;
 815 static gint startup_full_screen = FALSE;
 816 static gint startup_in_slideshow = FALSE;
 817 static gint startup_command_line_collection = FALSE;
 818
 819
 820 static void parse_command_line_add_file(const gchar *new_path, gchar **path, gchar **file,
 821                                         GList **list, GList **collection_list)
 822 {
 823         gchar *path_parsed;
 824
 825         path_parsed = g_strdup(new_path);
 826         parse_out_relatives(path_parsed);
 827
 828         if (file_extension_match(new_path, ".gqv"))
 829                 {
 830                 *collection_list = g_list_append(*collection_list, path_parsed);
 831                 }
 832         else
 833                 {
 834                 if (!*path) *path = remove_level_from_path(path_parsed);
 835                 if (!*file) *file = g_strdup(path_parsed);
 836                 *list = g_list_append(*list, path_parsed);
 837                 }
 838 }
 839
 840 static void parse_command_line(int argc, char *argv[], gchar **path, gchar **file,
 841                                GList **cmd_list, GList **collection_list)
 842 {
 843         GList *list = NULL;
 844         GList *remote_list = NULL;
 845         gint remote_do = FALSE;
 846
 847         if (argc > 1)
 848                 {
 849                 gint i;
 850                 gchar *base_dir = get_current_dir();
 851                 i = 1;
 852                 while (i < argc)
 853                         {
 854                         const gchar *cmd_line = argv[i];
 855                         gchar *cmd_all = concat_dir_and_file(base_dir, cmd_line);
 856
 857                         if (!*path && cmd_line[0] == '/' && isdir(cmd_line))
 858                                 {
 859                                 *path = g_strdup(cmd_line);
 860                                 }
 861                         else if (!*path && isdir(cmd_all))
 862                                 {
 863                                 *path = g_strdup(cmd_all);
 864                                 }
 865                         else if (cmd_line[0] == '/' && isfile(cmd_line))
 866                                 {
 867                                 parse_command_line_add_file(cmd_line, path, file, &list, collection_list);
 868                                 }
 869                         else if (isfile(cmd_all))
 870                                 {
 871                                 parse_command_line_add_file(cmd_all, path, file, &list, collection_list);
 872                                 }
 873                         else if (strcmp(cmd_line, "--debug") == 0)
 874                                 {
 875                                 /* we now increment the debug state for verbosity */
 876                                 debug++;
 877                                 printf("debugging output enabled (level %d)\n", debug);
 878                                 }
 879                         else if (strcmp(cmd_line, "+t") == 0 ||
 880                                  strcmp(cmd_line, "--with-tools") == 0)
 881                                 {
 882                                 tools_float = FALSE;
 883                                 tools_hidden = FALSE;
 884
 885                                 remote_list = g_list_append(remote_list, "+t");
 886                                 }
 887                         else if (strcmp(cmd_line, "-t") == 0 ||
 888                                  strcmp(cmd_line, "--without-tools") == 0)
 889                                 {
 890                                 tools_hidden = TRUE;
 891
 892                                 remote_list = g_list_append(remote_list, "-t");
 893                                 }
 894                         else if (strcmp(cmd_line, "-f") == 0 ||
 895                                  strcmp(cmd_line, "--fullscreen") == 0)
 896                                 {
 897                                 startup_full_screen = TRUE;
 898                                 }
 899                         else if (strcmp(cmd_line, "-s") == 0 ||
 900                                  strcmp(cmd_line, "--slideshow") == 0)
 901                                 {
 902                                 startup_in_slideshow = TRUE;
 903                                 }
 904                         else if (strcmp(cmd_line, "-l") == 0 ||
 905                                  strcmp(cmd_line, "--list") == 0)
 906                                 {
 907                                 startup_command_line_collection = TRUE;
 908                                 }
 909                         else if (strcmp(cmd_line, "-r") == 0 ||
 910                                  strcmp(cmd_line, "--remote") == 0)
 911                                 {
 912                                 if (!remote_do)
 913                                         {
 914                                         remote_do = TRUE;
 915                                         remote_list = gqview_remote_build_list(remote_list, argc, argv);
 916                                         }
 917                                 }
 918                         else if (strcmp(cmd_line, "-rh") == 0 ||
 919                                  strcmp(cmd_line, "--remote-help") == 0)
 920                                 {
 921                                 gqview_remote_help();
 922                                 exit (0);
 923                                 }
 924                         else if (strcmp(cmd_line, "--blank") == 0)
 925                                 {
 926                                 startup_blank = TRUE;
 927                                 }
 928                         else if (strcmp(cmd_line, "-v") == 0 ||
 929                                  strcmp(cmd_line, "--version") == 0)
 930                                 {
 931                                 printf("GQview %s\n", VERSION);
 932                                 exit (0);
 933                                 }
 934                         else if (strcmp(cmd_line, "--alternate") == 0)
 935                                 {
 936                                 /* enable faster experimental algorithm */
 937                                 printf("Alternate similarity algorithm enabled\n");
 938                                 image_sim_alternate_set(TRUE);
 939                                 }
 940                         else if (strcmp(cmd_line, "-h") == 0 ||
 941                                  strcmp(cmd_line, "--help") == 0)
 942                                 {
 943                                 printf("GQview %s\n", VERSION);
 944                                 print_term(_("Usage: gqview [options] [path]\n\n"));
 945                                 print_term(_("valid options are:\n"));
 946                                 print_term(_("  +t, --with-tools           force show of tools\n"));
 947                                 print_term(_("  -t, --without-tools        force hide of tools\n"));
 948                                 print_term(_("  -f, --fullscreen           start in full screen mode\n"));
 949                                 print_term(_("  -s, --slideshow            start in slideshow mode\n"));
 950                                 print_term(_("  -l, --list                 open collection window for command line\n"));
 951                                 print_term(_("  -r, --remote               send following commands to open window\n"));
 952                                 print_term(_("  -rh,--remote-help          print remote command list\n"));
 953                                 print_term(_("  --debug                    turn on debug output\n"));
 954                                 print_term(_("  -v, --version              print version info\n"));
 955                                 print_term(_("  -h, --help                 show this message\n\n"));
 956
 957 #if 0
 958                                 /* these options are not officially supported!
 959                                  * only for testing new features, no need to translate them */
 960                                 print_term(  "  --alternate                use alternate similarity algorithm\n");
 961 #endif
 962
 963                                 exit (0);
 964                                 }
 965                         else if (!remote_do)
 966                                 {
 967                                 gchar *buf;
 968
 969                                 buf = g_strdup_printf(_("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
 970                                 print_term(buf);
 971                                 g_free(buf);
 972                                 }
 973
 974                         g_free(cmd_all);
 975                         i++;
 976                         }
 977                 g_free(base_dir);
 978                 parse_out_relatives(*path);
 979                 parse_out_relatives(*file);
 980                 }
 981
 982         if (remote_do)
 983                 {
 984                 gqview_remote_control(argv[0], remote_list, *path, list, *collection_list);
 985                 }
 986         g_list_free(remote_list);
 987
 988         if (list && list->next)
 989                 {
 990                 *cmd_list = list;
 991                 }
 992         else
 993                 {
 994                 path_list_free(list);
 995                 *cmd_list = NULL;
 996                 }
 997 }
 998
 999 /*
1000  *-----------------------------------------------------------------------------
1001  * startup, init, and exit
1002  *-----------------------------------------------------------------------------
1003  */
1004
1005 #define RC_HISTORY_NAME "history"
1006
1007 static void keys_load(void)
1008 {
1009         gchar *path;
1010
1011         path = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/", RC_HISTORY_NAME, NULL);
1012         history_list_load(path);
1013         g_free(path);
1014 }
1015
1016 static void keys_save(void)
1017 {
1018         gchar *path;
1019
1020         path = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/", RC_HISTORY_NAME, NULL);
1021         history_list_save(path);
1022         g_free(path);
1023 }
1024
1025 static void check_for_home_path(gchar *path)
1026 {
1027         gchar *buf;
1028
1029         buf = g_strconcat(homedir(), "/", path, NULL);
1030         if (!isdir(buf))
1031                 {
1032                 gchar *tmp;
1033
1034                 tmp = g_strdup_printf(_("Creating GQview dir:%s\n"), buf);
1035                 print_term(tmp);
1036                 g_free(tmp);
1037
1038                 if (!mkdir_utf8(buf, 0755))
1039                         {
1040                         tmp = g_strdup_printf(_("Could not create dir:%s\n"), buf);
1041                         print_term(tmp);
1042                         g_free(tmp);
1043                         }
1044                 }
1045         g_free(buf);
1046 }
1047
1048 static void setup_default_options(void)
1049 {
1050         gchar *path;
1051         gint i;
1052
1053         for (i = 0; i < GQVIEW_EDITOR_SLOTS; i++)
1054                 {
1055                 editor_name[i] = NULL;
1056                 editor_command[i] = NULL;
1057                 }
1058
1059         editor_reset_defaults();
1060
1061         bookmark_add_default(_("Home"), homedir());
1062         path = concat_dir_and_file(homedir(), "Desktop");
1063         bookmark_add_default(_("Desktop"), path);
1064         g_free(path);
1065         path = concat_dir_and_file(homedir(), GQVIEW_RC_DIR_COLLECTIONS);
1066         bookmark_add_default(_("Collections"), path);
1067         g_free(path);
1068
1069         g_free(safe_delete_path);
1070         safe_delete_path = concat_dir_and_file(homedir(), GQVIEW_RC_DIR_TRASH);
1071 }
1072
1073 static void exit_gqview_final(void)
1074 {
1075         gchar *path;
1076         gchar *pathl;
1077         LayoutWindow *lw = NULL;
1078
1079         remote_close(gqview_remote);
1080
1081         collect_manager_flush();
1082
1083         if (layout_valid(&lw))
1084                 {
1085                 main_window_maximized =  window_maximized(lw->window);
1086                 if (!main_window_maximized)
1087                         {
1088                         layout_geometry_get(NULL, &main_window_x, &main_window_y,
1089                                             &main_window_w, &main_window_h);
1090                         }
1091                 }
1092
1093         layout_geometry_get_dividers(NULL, &window_hdivider_pos, &window_vdivider_pos);
1094
1095         layout_views_get(NULL, &layout_view_tree, &layout_view_icons);
1096
1097         thumbnails_enabled = layout_thumb_get(NULL);
1098         layout_sort_get(NULL, &file_sort_method, &file_sort_ascending);
1099
1100         layout_geometry_get_tools(NULL, &float_window_x, &float_window_y,
1101                                   &float_window_w, &float_window_h, &float_window_divider);
1102         layout_tools_float_get(NULL, &tools_float, &tools_hidden);
1103         toolbar_hidden = layout_toolbar_hidden(NULL);
1104
1105         save_options();
1106         keys_save();
1107
1108         path = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/accels", NULL);
1109         pathl = path_from_utf8(path);
1110         gtk_accel_map_save(pathl);
1111         g_free(pathl);
1112         g_free(path);
1113
1114         gtk_main_quit();
1115 }
1116
1117 static GenericDialog *exit_dialog = NULL;
1118
1119 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
1120 {
1121         exit_dialog = NULL;
1122         generic_dialog_close(gd);
1123 }
1124
1125 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
1126 {
1127         exit_dialog = NULL;
1128         generic_dialog_close(gd);
1129         exit_gqview_final();
1130 }
1131
1132 static gint exit_confirm_dlg(void)
1133 {
1134         GtkWidget *parent;
1135         LayoutWindow *lw;
1136
1137         if (exit_dialog)
1138                 {
1139                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
1140                 return TRUE;
1141                 }
1142
1143         if (!collection_window_modified_exists()) return FALSE;
1144
1145         parent = NULL;
1146         lw = NULL;
1147         if (layout_valid(&lw))
1148                 {
1149                 parent = lw->window;
1150                 }
1151
1152         exit_dialog = generic_dialog_new(_("GQview - exit"),
1153                                 "GQview", "exit", parent, FALSE,
1154                                 exit_confirm_cancel_cb, NULL);
1155         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
1156                                    _("Quit GQview"), _("Collections have been modified. Quit anyway?"));
1157         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
1158
1159         gtk_widget_show(exit_dialog->dialog);
1160
1161         return TRUE;
1162 }
1163
1164 void exit_gqview(void)
1165 {
1166         layout_image_full_screen_stop(NULL);
1167
1168         if (exit_confirm_dlg()) return;
1169
1170         exit_gqview_final();
1171 }
1172
1173 int main (int argc, char *argv[])
1174 {
1175         LayoutWindow *lw;
1176         gchar *path = NULL;
1177         gchar *cmd_path = NULL;
1178         gchar *cmd_file = NULL;
1179         GList *cmd_list = NULL;
1180         GList *collection_list = NULL;
1181         CollectionData *first_collection = NULL;
1182         gchar *buf;
1183         gchar *bufl;
1184
1185         /* setup locale, i18n */
1186         gtk_set_locale();
1187         bindtextdomain(PACKAGE, GQVIEW_LOCALEDIR);
1188         bind_textdomain_codeset(PACKAGE, "UTF-8");
1189         textdomain(PACKAGE);
1190
1191         /* setup random seed for random slideshow */
1192         srand(time(NULL));
1193
1194 #if 1
1195         printf("GQview %s, This is a beta release.\n", VERSION);
1196 #endif
1197
1198         layout_order = g_strdup("123");
1199         setup_default_options();
1200         load_options();
1201
1202         parse_command_line(argc, argv, &cmd_path, &cmd_file, &cmd_list, &collection_list);
1203
1204         gtk_init (&argc, &argv);
1205
1206         if (gtk_major_version < GTK_MAJOR_VERSION ||
1207             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
1208                 {
1209                 gchar *msg;
1210                 print_term("!!! This is a friendly warning.\n");
1211                 print_term("!!! The version of GTK+ in use now is older than when GQview was compiled.\n");
1212                 msg = g_strdup_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
1213                 print_term(msg);
1214                 g_free(msg);
1215                 msg = g_strdup_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
1216                 print_term(msg);
1217                 g_free(msg);
1218                 print_term("!!! GQview may quit unexpectedly with a relocation error.\n");
1219                 }
1220
1221         check_for_home_path(GQVIEW_RC_DIR);
1222         check_for_home_path(GQVIEW_RC_DIR_COLLECTIONS);
1223         check_for_home_path(GQVIEW_CACHE_RC_THUMB);
1224         check_for_home_path(GQVIEW_CACHE_RC_METADATA);
1225
1226         keys_load();
1227         filter_add_defaults();
1228         filter_rebuild();
1229
1230         buf = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/accels", NULL);
1231         bufl = path_from_utf8(buf);
1232         gtk_accel_map_load(bufl);
1233         g_free(bufl);
1234         g_free(buf);
1235
1236         if (startup_blank)
1237                 {
1238                 g_free(cmd_path);
1239                 cmd_path = NULL;
1240                 g_free(cmd_file);
1241                 cmd_file = NULL;
1242                 path_list_free(cmd_list);
1243                 cmd_list = NULL;
1244                 path_list_free(collection_list);
1245                 collection_list = NULL;
1246
1247                 path = NULL;
1248                 }
1249         else if (cmd_path)
1250                 {
1251                 path = g_strdup(cmd_path);
1252                 }
1253         else if (startup_path_enable && startup_path && isdir(startup_path))
1254                 {
1255                 path = g_strdup(startup_path);
1256                 }
1257         else
1258                 {
1259                 path = get_current_dir();
1260                 }
1261
1262         lw = layout_new(NULL, tools_float, tools_hidden);
1263         layout_sort_set(lw, file_sort_method, file_sort_ascending);
1264
1265         if (collection_list && !startup_command_line_collection)
1266                 {
1267                 GList *work;
1268
1269                 work = collection_list;
1270                 while (work)
1271                         {
1272                         CollectWindow *cw;
1273                         const gchar *path;
1274
1275                         path = work->data;
1276                         work = work->next;
1277
1278                         cw = collection_window_new(path);
1279                         if (!first_collection && cw) first_collection = cw->cd;
1280                         }
1281                 }
1282
1283         if (cmd_list ||
1284             (startup_command_line_collection && collection_list))
1285                 {
1286                 CollectionData *cd;
1287                 GList *work;
1288
1289                 if (startup_command_line_collection)
1290                         {
1291                         CollectWindow *cw;
1292
1293                         cw = collection_window_new("");
1294                         cd = cw->cd;
1295                         }
1296                 else
1297                         {
1298                         cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
1299                         gqview_command_collection = cd;
1300                         }
1301
1302                 g_free(cd->path);
1303                 cd->path = NULL;
1304                 g_free(cd->name);
1305                 cd->name = g_strdup(_("Command line"));
1306
1307                 collection_path_changed(cd);
1308
1309                 work = cmd_list;
1310                 while (work)
1311                         {
1312                         collection_add(cd, (gchar *)work->data, FALSE);
1313                         work = work->next;
1314                         }
1315
1316                 work = collection_list;
1317                 while (work)
1318                         {
1319                         collection_load(cd, (gchar *)work->data, TRUE);
1320                         work = work->next;
1321                         }
1322
1323                 layout_set_path(lw, path);
1324                 if (cd->list) layout_image_set_collection(lw, cd, cd->list->data);
1325
1326                 /* mem leak, we never unref this collection when !startup_command_line_collection
1327                  * (the image view of the main window does not hold a ref to the collection)
1328                  * this is sort of unavoidable, for if it did hold a ref, next/back
1329                  * may not work as expected when closing collection windows.
1330                  *
1331                  * collection_unref(cd);
1332                  */
1333
1334                 }
1335         else if (cmd_file)
1336                 {
1337                 layout_set_path(lw, cmd_file);
1338                 }
1339         else
1340                 {
1341                 layout_set_path(lw, path);
1342                 if (first_collection)
1343                         {
1344                         layout_image_set_collection(lw, first_collection,
1345                                                     collection_get_first(first_collection));
1346                         }
1347                 }
1348
1349         g_free(cmd_path);
1350         g_free(cmd_file);
1351         path_list_free(cmd_list);
1352         path_list_free(collection_list);
1353         g_free(path);
1354
1355         if (startup_full_screen) layout_image_full_screen_start(lw);
1356         if (startup_in_slideshow) layout_image_slideshow_start(lw);
1357
1358         buf = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/.command", NULL);
1359         gqview_remote = remote_server_open(buf);
1360         remote_server_subscribe(gqview_remote, gqview_remote_cb, NULL);
1361         g_free(buf);
1362
1363         gtk_main ();
1364         return 0;
1365 }
1366