gtk/src/callbacks.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * callbacks.c
   4  * Copyright (C) John Stebbins 2008 <stebbins@stebbins>
   5  *
   6  * callbacks.c is free software.
   7  *
   8  * You may redistribute it and/or modify it under the terms of the
   9  * GNU General Public License, as published by the Free Software
  10  * Foundation; either version 2 of the License, or (at your option)
  11  * any later version.
  12  */
  13
  14 #ifdef HAVE_CONFIG_H
  15 #  include <config.h>
  16 #endif
  17
  18 #include <string.h>
  19 #include <poll.h>
  20 #include <fcntl.h>
  21 #include <sys/stat.h>
  22 #include <libhal-storage.h>
  23 #include <gtk/gtk.h>
  24 #include <gdk/gdkkeysyms.h>
  25 #include <glib/gstdio.h>
  26 #include <gio/gio.h>
  27
  28 #include "hb.h"
  29 #include "callbacks.h"
  30 #include "queuehandler.h"
  31 #include "audiohandler.h"
  32 #include "resources.h"
  33 #include "settings.h"
  34 #include "presets.h"
  35 #include "values.h"
  36 #include "plist.h"
  37 #include "hb-backend.h"
  38 #include "ghb-dvd.h"
  39 #include "ghbcellrenderertext.h"
  40
  41 static void update_chapter_list(signal_user_data_t *ud);
  42 static GList* dvd_device_list();
  43
  44 // This is a dependency map used for greying widgets
  45 // that are dependent on the state of another widget.
  46 // The enable_value comes from the values that are
  47 // obtained from ghb_widget_value().  For combo boxes
  48 // you will have to look further to combo box options
  49 // maps in hb-backend.c
  50
  51 GValue *dep_map;
  52 GValue *rev_map;
  53
  54 void
  55 ghb_init_dep_map()
  56 {
  57         dep_map = ghb_resource_get("widget-deps");
  58         rev_map = ghb_resource_get("widget-reverse-deps");
  59 }
  60
  61 static gboolean
  62 dep_check(signal_user_data_t *ud, const gchar *name)
  63 {
  64         GtkWidget *widget;
  65         GObject *dep_object;
  66         gint ii;
  67         gint count;
  68         gboolean result = TRUE;
  69         GValue *array, *data;
  70         gchar *widget_name;
  71
  72         g_debug("dep_check () %s", name);
  73
  74         array = ghb_dict_lookup(rev_map, name);
  75         count = ghb_array_len(array);
  76         for (ii = 0; ii < count; ii++)
  77         {
  78                 data = ghb_array_get_nth(array, ii);
  79                 widget_name = ghb_value_string(ghb_array_get_nth(data, 0));
  80                 widget = GHB_WIDGET(ud->builder, widget_name);
  81                 dep_object = gtk_builder_get_object(ud->builder, name);
  82                 g_free(widget_name);
  83                 if (dep_object == NULL)
  84                 {
  85                         g_message("Failed to find widget");
  86                 }
  87                 else
  88                 {
  89                         gchar *value;
  90                         gint jj = 0;
  91                         gchar **values;
  92                         gboolean sensitive = FALSE;
  93                         gboolean die;
  94
  95                         die = ghb_value_boolean(ghb_array_get_nth(data, 2));
  96                         value = ghb_value_string(ghb_array_get_nth(data, 1));
  97                         values = g_strsplit(value, "|", 10);
  98                         g_free(value);
  99
 100                         if (widget)
 101                                 value = ghb_widget_string(widget);
 102                         else
 103                                 value = ghb_settings_get_string(ud->settings, name);
 104                         while (values && values[jj])
 105                         {
 106                                 if (values[jj][0] == '>')
 107                                 {
 108                                         gdouble dbl = g_strtod (&values[jj][1], NULL);
 109                                         gdouble dvalue = ghb_widget_double(widget);
 110                                         if (dvalue > dbl)
 111                                         {
 112                                                 sensitive = TRUE;
 113                                                 break;
 114                                         }
 115                                 }
 116                                 else if (values[jj][0] == '<')
 117                                 {
 118                                         gdouble dbl = g_strtod (&values[jj][1], NULL);
 119                                         gdouble dvalue = ghb_widget_double(widget);
 120                                         if (dvalue < dbl)
 121                                         {
 122                                                 sensitive = TRUE;
 123                                                 break;
 124                                         }
 125                                 }
 126                                 if (strcmp(values[jj], value) == 0)
 127                                 {
 128                                         sensitive = TRUE;
 129                                         break;
 130                                 }
 131                                 jj++;
 132                         }
 133                         sensitive = die ^ sensitive;
 134                         if (!sensitive) result = FALSE;
 135                         g_strfreev (values);
 136                         g_free(value);
 137                 }
 138         }
 139         return result;
 140 }
 141
 142 void
 143 ghb_check_dependency(signal_user_data_t *ud, GtkWidget *widget)
 144 {
 145         GObject *dep_object;
 146         const gchar *name;
 147         GValue *array, *data;
 148         gint count, ii;
 149         gchar *dep_name;
 150         GType type;
 151
 152         type = GTK_WIDGET_TYPE(widget);
 153         if (type == GTK_TYPE_COMBO_BOX || type == GTK_TYPE_COMBO_BOX_ENTRY)
 154                 if (gtk_combo_box_get_active(GTK_COMBO_BOX(widget)) < 0) return;
 155
 156         name = gtk_widget_get_name(widget);
 157         g_debug("ghb_check_dependency () %s", name);
 158
 159         array = ghb_dict_lookup(dep_map, name);
 160         count = ghb_array_len(array);
 161         for (ii = 0; ii < count; ii++)
 162         {
 163                 gboolean sensitive;
 164
 165                 data = ghb_array_get_nth(array, ii);
 166                 dep_name = ghb_value_string(data);
 167                 dep_object = gtk_builder_get_object(ud->builder, dep_name);
 168                 if (dep_object == NULL)
 169                 {
 170                         g_message("Failed to find dependent widget %s", dep_name);
 171                         g_free(dep_name);
 172                         continue;
 173                 }
 174                 sensitive = dep_check(ud, dep_name);
 175                 g_free(dep_name);
 176                 if (GTK_IS_ACTION(dep_object))
 177                         gtk_action_set_sensitive(GTK_ACTION(dep_object), sensitive);
 178                 else
 179                         gtk_widget_set_sensitive(GTK_WIDGET(dep_object), sensitive);
 180         }
 181 }
 182
 183 void
 184 ghb_check_all_depencencies(signal_user_data_t *ud)
 185 {
 186         GHashTableIter iter;
 187         gchar *dep_name;
 188         GValue *value;
 189         GObject *dep_object;
 190
 191         g_debug("ghb_check_all_depencencies ()");
 192         ghb_dict_iter_init(&iter, rev_map);
 193         // middle (void*) cast prevents gcc warning "defreferencing type-punned
 194         // pointer will break strict-aliasing rules"
 195         while (g_hash_table_iter_next(
 196                         &iter, (gpointer*)(void*)&dep_name, (gpointer*)(void*)&value))
 197         {
 198                 gboolean sensitive;
 199                 dep_object = gtk_builder_get_object (ud->builder, dep_name);
 200                 if (dep_object == NULL)
 201                 {
 202                         g_message("Failed to find dependent widget %s", dep_name);
 203                         continue;
 204                 }
 205                 sensitive = dep_check(ud, dep_name);
 206                 if (GTK_IS_ACTION(dep_object))
 207                         gtk_action_set_sensitive(GTK_ACTION(dep_object), sensitive);
 208                 else
 209                         gtk_widget_set_sensitive(GTK_WIDGET(dep_object), sensitive);
 210         }
 211 }
 212
 213 static gchar*
 214 expand_tilde(const gchar *path)
 215 {
 216         const gchar *user_home;
 217         gchar *home;
 218         const gchar *suffix;
 219         gchar *expanded_path = NULL;
 220
 221         g_debug("expand_tilde ()");
 222         if (path[0] == '~')
 223         {
 224                 user_home = g_get_home_dir();
 225                 home = NULL; // squash warning about home uninitialized
 226                 if (path[1] == 0)
 227                 {
 228                         home = g_strdup(user_home);
 229                         suffix = "";
 230                 }
 231                 else if (path[1] == '/')
 232                 {
 233                         home = g_strdup(user_home);
 234                         suffix = &path[2];
 235                 }
 236                 else
 237                 {
 238                         home = g_path_get_dirname(user_home);
 239                         suffix = &path[1];
 240                 }
 241                 expanded_path = g_strdup_printf("%s/%s", home, suffix);
 242                 g_free(home);
 243         }
 244         return expanded_path;
 245 }
 246
 247 void
 248 on_quit1_activate(GtkMenuItem *quit, signal_user_data_t *ud)
 249 {
 250         gint state = ghb_get_queue_state();
 251         g_debug("on_quit1_activate ()");
 252         if (state & GHB_STATE_WORKING)
 253         {
 254                 if (ghb_cancel_encode("Closing HandBrake will terminate encoding.\n"))
 255                 {
 256                         ghb_hb_cleanup(FALSE);
 257                         gtk_main_quit();
 258                         return;
 259                 }
 260                 return;
 261         }
 262         ghb_hb_cleanup(FALSE);
 263         gtk_main_quit();
 264 }
 265
 266 static void
 267 set_destination(signal_user_data_t *ud)
 268 {
 269         g_debug("set_destination");
 270         if (ghb_settings_get_boolean(ud->settings, "use_source_name"))
 271         {
 272                 gchar *vol_name, *filename, *extension;
 273                 gchar *dir, *new_name;
 274
 275                 filename = ghb_settings_get_string(ud->settings, "destination");
 276                 extension = ghb_settings_get_string(ud->settings, "container");
 277                 dir = g_path_get_dirname (filename);
 278                 vol_name = ghb_settings_get_string(ud->settings, "volume_label");
 279                 if (ghb_settings_get_boolean(ud->settings, "chapters_in_destination"))
 280                 {
 281                         gint start, end;
 282
 283                         start = ghb_settings_get_int(ud->settings, "start_chapter");
 284                         end = ghb_settings_get_int(ud->settings, "end_chapter");
 285                         if (start == end)
 286                         {
 287                                 new_name = g_strdup_printf("%s/%s-%d.%s",
 288                                         dir, vol_name, start, extension);
 289                         }
 290                         else
 291                         {
 292                                 new_name = g_strdup_printf("%s/%s-%d-%d.%s",
 293                                         dir, vol_name, start, end, extension);
 294                         }
 295                 }
 296                 else
 297                 {
 298                         new_name = g_strdup_printf("%s/%s.%s", dir, vol_name, extension);
 299                 }
 300                 ghb_ui_update(ud, "destination", ghb_string_value(new_name));
 301                 g_free(filename);
 302                 g_free(extension);
 303                 g_free(vol_name);
 304                 g_free(dir);
 305                 g_free(new_name);
 306         }
 307 }
 308
 309 gboolean
 310 uppers_and_unders(const gchar *str)
 311 {
 312         if (str == NULL) return FALSE;
 313         while (*str)
 314         {
 315                 if (*str == ' ')
 316                 {
 317                         return FALSE;
 318                 }
 319                 if (*str >= 'a' && *str <= 'z')
 320                 {
 321                         return FALSE;
 322                 }
 323                 str++;
 324         }
 325         return TRUE;
 326 }
 327
 328 enum
 329 {
 330         CAMEL_FIRST_UPPER,
 331         CAMEL_OTHER
 332 };
 333
 334 void
 335 camel_convert(gchar *str)
 336 {
 337         gint state = CAMEL_OTHER;
 338
 339         if (str == NULL) return;
 340         while (*str)
 341         {
 342                 if (*str == '_') *str = ' ';
 343                 switch (state)
 344                 {
 345                         case CAMEL_OTHER:
 346                         {
 347                                 if (*str >= 'A' && *str <= 'Z')
 348                                         state = CAMEL_FIRST_UPPER;
 349                                 else
 350                                         state = CAMEL_OTHER;
 351
 352                         } break;
 353                         case CAMEL_FIRST_UPPER:
 354                         {
 355                                 if (*str >= 'A' && *str <= 'Z')
 356                                         *str = *str - 'A' + 'a';
 357                                 else
 358                                         state = CAMEL_OTHER;
 359                         } break;
 360                 }
 361                 str++;
 362         }
 363 }
 364
 365 static gboolean
 366 update_source_label(signal_user_data_t *ud, const gchar *source)
 367 {
 368         gchar *label = NULL;
 369         gint len;
 370         gchar **path;
 371         gchar *filename = g_strdup(source);
 372
 373         len = strlen(filename);
 374         if (filename[len-1] == '/') filename[len-1] = 0;
 375         if (g_file_test(filename, G_FILE_TEST_IS_DIR))
 376         {
 377                 path = g_strsplit(filename, "/", -1);
 378                 len = g_strv_length (path);
 379                 if ((len > 1) && (strcmp("VIDEO_TS", path[len-1]) == 0))
 380                 {
 381                         label = g_strdup(path[len-2]);
 382                 }
 383                 else
 384                 {
 385                         label = g_strdup(path[len-1]);
 386                 }
 387                 g_strfreev (path);
 388         }
 389         else
 390         {
 391                 // Is regular file or block dev.
 392                 // Check to see if it is a dvd image
 393                 label = ghb_dvd_volname (filename);
 394                 if (label == NULL)
 395                 {
 396                         path = g_strsplit(filename, "/", -1);
 397                         len = g_strv_length (path);
 398                         // Just use the last combonent of the path
 399                         label = g_strdup(path[len-1]);
 400                         g_strfreev (path);
 401                 }
 402                 else
 403                 {
 404                         if (uppers_and_unders(label))
 405                         {
 406                                 camel_convert(label);
 407                         }
 408                 }
 409         }
 410         g_free(filename);
 411         GtkWidget *widget = GHB_WIDGET (ud->builder, "source_title");
 412         if (label != NULL)
 413         {
 414                 gtk_label_set_text (GTK_LABEL(widget), label);
 415                 ghb_settings_set_string(ud->settings, "volume_label", label);
 416                 g_free(label);
 417                 set_destination(ud);
 418         }
 419         else
 420         {
 421                 label = "No Title Found";
 422                 gtk_label_set_text (GTK_LABEL(widget), label);
 423                 ghb_settings_set_string(ud->settings, "volume_label", label);
 424                 return FALSE;
 425         }
 426         return TRUE;
 427 }
 428
 429 static GtkWidget *dvd_device_combo = NULL;
 430
 431 void
 432 chooser_file_selected_cb(GtkFileChooser *dialog, GtkComboBox *combo)
 433 {
 434         const gchar *name = gtk_file_chooser_get_filename (dialog);
 435         GtkTreeModel *store;
 436         GtkTreeIter iter;
 437         const gchar *device;
 438         gboolean foundit = FALSE;
 439
 440         if (name == NULL) return;
 441         store = gtk_combo_box_get_model(combo);
 442         if (gtk_tree_model_get_iter_first(store, &iter))
 443         {
 444                 do
 445                 {
 446                         gtk_tree_model_get(store, &iter, 0, &device, -1);
 447                         if (strcmp(name, device) == 0)
 448                         {
 449                                 foundit = TRUE;
 450                                 break;
 451                         }
 452                 } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter));
 453         }
 454         if (foundit)
 455                 gtk_combo_box_set_active_iter (combo, &iter);
 456         else
 457                 gtk_combo_box_set_active (combo, 0);
 458 }
 459
 460 void
 461 dvd_device_changed_cb(GtkComboBox *combo, GtkWidget *dialog)
 462 {
 463         gint ii = gtk_combo_box_get_active (combo);
 464         if (ii != 0)
 465         {
 466                 const gchar *device = gtk_combo_box_get_active_text (combo);
 467                 const gchar *name = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(dialog));
 468                 if (name == NULL || strcmp(name, device) != 0)
 469                         gtk_file_chooser_select_filename (GTK_FILE_CHOOSER(dialog), device);
 470         }
 471 }
 472
 473 void
 474 source_type_changed_cb(GtkToggleButton *toggle, GtkFileChooser *chooser)
 475 {
 476         gchar *folder;
 477
 478         g_debug("source_type_changed_cb ()");
 479         folder = gtk_file_chooser_get_current_folder (chooser);
 480         if (gtk_toggle_button_get_active (toggle))
 481         {
 482                 gtk_file_chooser_set_action (chooser, GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
 483                 gtk_widget_set_sensitive (dvd_device_combo, FALSE);
 484                 gtk_combo_box_set_active (GTK_COMBO_BOX(dvd_device_combo), 0);
 485         }
 486         else
 487         {
 488                 gtk_file_chooser_set_action (chooser, GTK_FILE_CHOOSER_ACTION_OPEN);
 489                 gtk_widget_set_sensitive (dvd_device_combo, TRUE);
 490         }
 491         if (folder != NULL)
 492         {
 493                 gtk_file_chooser_set_current_folder(chooser, folder);
 494                 g_free(folder);
 495         }
 496 }
 497
 498 static GtkWidget*
 499 source_dialog_extra_widgets(GtkWidget *dialog, gboolean checkbutton_active)
 500 {
 501         GtkBox *vbox;
 502         GtkWidget *checkbutton;
 503
 504         vbox = GTK_BOX(gtk_vbox_new (FALSE, 2));
 505         checkbutton = gtk_check_button_new_with_label ("Open VIDEO_TS folder");
 506         gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(checkbutton), checkbutton_active);
 507         gtk_box_pack_start (vbox, checkbutton, FALSE, FALSE, 1);
 508         gtk_widget_show(checkbutton);
 509
 510         GtkWidget *combo;
 511         GtkBox *hbox;
 512         GList *drives, *link;
 513         GtkWidget *label, *blank;
 514
 515         hbox = GTK_BOX(gtk_hbox_new (FALSE, 2));
 516         combo = gtk_combo_box_new_text();
 517         label = gtk_label_new("Detected DVD devices:");
 518         blank = gtk_label_new("");
 519         link = drives = dvd_device_list();
 520         gtk_combo_box_append_text (GTK_COMBO_BOX(combo), "Not Selected");
 521         while (link != NULL)
 522         {
 523                 gchar *name = (gchar*)link->data;
 524                 gtk_combo_box_append_text (GTK_COMBO_BOX(combo), name);
 525                 g_free(name);
 526                 link = link->next;
 527         }
 528         g_list_free(drives);
 529         gtk_combo_box_set_active (GTK_COMBO_BOX(combo), 0);
 530         gtk_box_pack_start (vbox, GTK_WIDGET(hbox), FALSE, FALSE, 1);
 531         gtk_widget_show(GTK_WIDGET(hbox));
 532         gtk_box_pack_start (hbox, label, FALSE, FALSE, 1);
 533         gtk_widget_show(label);
 534         gtk_box_pack_start (hbox, combo, FALSE, FALSE, 2);
 535         gtk_widget_show(combo);
 536         gtk_box_pack_start (hbox, blank, TRUE, TRUE, 1);
 537         gtk_widget_show(blank);
 538
 539         // Ugly hackish global alert
 540         dvd_device_combo = combo;
 541         g_signal_connect(combo, "changed", (GCallback)dvd_device_changed_cb, dialog);
 542         g_signal_connect(dialog, "selection-changed", (GCallback)chooser_file_selected_cb, combo);
 543
 544         g_signal_connect(checkbutton, "toggled", (GCallback)source_type_changed_cb, dialog);
 545         return GTK_WIDGET(vbox);
 546 }
 547
 548 static void
 549 do_scan(signal_user_data_t *ud, const gchar *filename)
 550 {
 551         if (filename != NULL)
 552         {
 553                 ghb_settings_set_string(ud->settings, "source", filename);
 554                 if (update_source_label(ud, filename))
 555                 {
 556                         GtkProgressBar *progress;
 557                         progress = GTK_PROGRESS_BAR(GHB_WIDGET(ud->builder, "progressbar"));
 558                         gchar *path;
 559                         path = ghb_settings_get_string( ud->settings, "source");
 560                         gtk_progress_bar_set_fraction (progress, 0);
 561                         gtk_progress_bar_set_text (progress, "Scanning ...");
 562                         ghb_hb_cleanup(TRUE);
 563                         ghb_backend_scan (path, 0);
 564                         g_free(path);
 565                 }
 566                 else
 567                 {
 568                         // TODO: error dialog
 569                 }
 570         }
 571 }
 572
 573 void
 574 source_button_clicked_cb(GtkButton *button, signal_user_data_t *ud)
 575 {
 576         GtkWidget *dialog;
 577         GtkWidget *widget;
 578         gchar *sourcename;
 579         gint    response;
 580         GtkFileChooserAction action;
 581         gboolean checkbutton_active;
 582
 583         g_debug("source_browse_clicked_cb ()");
 584         sourcename = ghb_settings_get_string(ud->settings, "source");
 585         checkbutton_active = FALSE;
 586         if (g_file_test(sourcename, G_FILE_TEST_IS_DIR))
 587         {
 588                 action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 589                 checkbutton_active = TRUE;
 590         }
 591         else
 592         {
 593                 action = GTK_FILE_CHOOSER_ACTION_OPEN;
 594         }
 595         dialog = gtk_file_chooser_dialog_new ("Select Source",
 596                                                                 NULL,
 597                                                                 action,
 598                                                                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 599                                                                 GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
 600                                                                 NULL);
 601         widget = source_dialog_extra_widgets(dialog, checkbutton_active);
 602         gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER(dialog), widget);
 603         gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), sourcename);
 604         response = gtk_dialog_run(GTK_DIALOG (dialog));
 605         gtk_widget_hide(dialog);
 606         if (response == GTK_RESPONSE_ACCEPT)
 607         {
 608                 char *filename;
 609
 610                 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
 611                 if (filename != NULL)
 612                 {
 613                         do_scan(ud, filename);
 614                         if (strcmp(sourcename, filename) != 0)
 615                         {
 616                                 ghb_settings_set_string (ud->settings, "default_source", filename);
 617                                 ghb_pref_save (ud->settings, "default_source");
 618                                 ghb_dvd_set_current (filename, ud);
 619                         }
 620                         g_free(filename);
 621                 }
 622         }
 623         g_free(sourcename);
 624         gtk_widget_destroy(dialog);
 625 }
 626
 627 void
 628 dvd_source_activate_cb(GtkAction *action, signal_user_data_t *ud)
 629 {
 630         const gchar *filename;
 631         gchar *sourcename;
 632
 633         sourcename = ghb_settings_get_string(ud->settings, "source");
 634         filename = gtk_action_get_name(action);
 635         do_scan(ud, filename);
 636         if (strcmp(sourcename, filename) != 0)
 637         {
 638                 ghb_settings_set_string (ud->settings, "default_source", filename);
 639                 ghb_pref_save (ud->settings, "default_source");
 640                 ghb_dvd_set_current (filename, ud);
 641         }
 642         g_free(sourcename);
 643 }
 644
 645 static void
 646 update_destination_extension(signal_user_data_t *ud)
 647 {
 648         static gchar *containers[] = {".mkv", ".mp4", ".m4v", ".avi", ".ogm", NULL};
 649         gchar *filename;
 650         gchar *extension;
 651         gint ii;
 652         GtkEntry *entry;
 653
 654         g_debug("update_destination_extension ()");
 655         extension = ghb_settings_get_string(ud->settings, "container");
 656         entry = GTK_ENTRY(GHB_WIDGET(ud->builder, "destination"));
 657         filename = g_strdup(gtk_entry_get_text(entry));
 658         for (ii = 0; containers[ii] != NULL; ii++)
 659         {
 660                 if (g_str_has_suffix(filename, containers[ii]))
 661                 {
 662                         gchar *pos;
 663                         gchar *new_name;
 664
 665                         pos = g_strrstr( filename, "." );
 666                         if (pos == NULL)
 667                         {
 668                                 // No period? shouldn't happen
 669                                 break;
 670                         }
 671                         *pos = 0;
 672                         if (strcmp(extension, &pos[1]) == 0)
 673                         {
 674                                 // Extension is already correct
 675                                 break;
 676                         }
 677                         new_name = g_strjoin(".", filename, extension, NULL);
 678                         ghb_ui_update(ud, "destination", ghb_string_value(new_name));
 679                         g_free(new_name);
 680                         break;
 681                 }
 682         }
 683         g_free(extension);
 684         g_free(filename);
 685 }
 686
 687 static void
 688 destination_select_title(GtkEntry *entry)
 689 {
 690         const gchar *dest;
 691         gint start, end;
 692
 693         dest = gtk_entry_get_text(entry);
 694         for (end = strlen(dest)-1; end > 0; end--)
 695         {
 696                 if (dest[end] == '.')
 697                 {
 698                         break;
 699                 }
 700         }
 701         for (start = end; start >= 0; start--)
 702         {
 703                 if (dest[start] == '/')
 704                 {
 705                         start++;
 706                         break;
 707                 }
 708         }
 709         if (start < end)
 710         {
 711                 gtk_editable_select_region(GTK_EDITABLE(entry), start, end);
 712         }
 713 }
 714
 715 gboolean
 716 destination_grab_cb(
 717         GtkEntry *entry,
 718         signal_user_data_t *ud)
 719 {
 720         destination_select_title(entry);
 721         return FALSE;
 722 }
 723
 724 static gboolean update_default_destination = FALSE;
 725
 726 void
 727 destination_entry_changed_cb(GtkEntry *entry, signal_user_data_t *ud)
 728 {
 729         gchar *dest;
 730
 731         g_debug("destination_entry_changed_cb ()");
 732         if ((dest = expand_tilde(gtk_entry_get_text(entry))) != NULL)
 733         {
 734                 gtk_entry_set_text(entry, dest);
 735                 g_free(dest);
 736         }
 737         update_destination_extension(ud);
 738         ghb_widget_to_setting(ud->settings, (GtkWidget*)entry);
 739         // This signal goes off with ever keystroke, so I'm putting this
 740         // update on the timer.
 741         update_default_destination = TRUE;
 742 }
 743
 744 void
 745 destination_browse_clicked_cb(GtkButton *button, signal_user_data_t *ud)
 746 {
 747         GtkWidget *dialog;
 748         GtkEntry *entry;
 749         gchar *destname;
 750         gchar *basename;
 751
 752         g_debug("destination_browse_clicked_cb ()");
 753         destname = ghb_settings_get_string(ud->settings, "destination");
 754         dialog = gtk_file_chooser_dialog_new ("Choose Destination",
 755                                           NULL,
 756                                           GTK_FILE_CHOOSER_ACTION_SAVE,
 757                                           GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 758                                           GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 759                                           NULL);
 760         gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), destname);
 761         basename = g_path_get_basename(destname);
 762         g_free(destname);
 763         gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), basename);
 764         g_free(basename);
 765         if (gtk_dialog_run(GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 766         {
 767                 char *filename;
 768
 769                 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
 770                 entry = (GtkEntry*)GHB_WIDGET(ud->builder, "destination");
 771                 if (entry == NULL)
 772                 {
 773                         g_debug("Failed to find widget: %s", "destination");
 774                 }
 775                 else
 776                 {
 777                         gtk_entry_set_text(entry, filename);
 778                 }
 779                 g_free (filename);
 780         }
 781         gtk_widget_destroy(dialog);
 782 }
 783
 784 gboolean
 785 window_destroy_event_cb(GtkWidget *widget, GdkEvent *event, signal_user_data_t *ud)
 786 {
 787         g_debug("window_destroy_event_cb ()");
 788         ghb_hb_cleanup(FALSE);
 789         gtk_main_quit();
 790         return FALSE;
 791 }
 792
 793 gboolean
 794 window_delete_event_cb(GtkWidget *widget, GdkEvent *event, signal_user_data_t *ud)
 795 {
 796         gint state = ghb_get_queue_state();
 797         g_debug("window_delete_event_cb ()");
 798         if (state & GHB_STATE_WORKING)
 799         {
 800                 if (ghb_cancel_encode("Closing HandBrake will terminate encoding.\n"))
 801                 {
 802                         ghb_hb_cleanup(FALSE);
 803                         gtk_main_quit();
 804                         return FALSE;
 805                 }
 806                 return TRUE;
 807         }
 808         ghb_hb_cleanup(FALSE);
 809         gtk_main_quit();
 810         return FALSE;
 811 }
 812
 813 static void
 814 update_acodec_combo(signal_user_data_t *ud)
 815 {
 816         ghb_grey_combo_options (ud->builder);
 817 }
 818
 819 void
 820 container_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
 821 {
 822         const GValue *audio_list;
 823         g_debug("container_changed_cb ()");
 824         ghb_widget_to_setting(ud->settings, widget);
 825         update_destination_extension(ud);
 826         ghb_check_dependency(ud, widget);
 827         update_acodec_combo(ud);
 828         ghb_clear_presets_selection(ud);
 829
 830         audio_list = ghb_settings_get_value(ud->settings, "audio_list");
 831         if (ghb_ac3_in_audio_list (audio_list))
 832         {
 833                 gchar *container;
 834
 835                 container = ghb_settings_get_string(ud->settings, "container");
 836                 if (strcmp(container, "mp4") == 0)
 837                 {
 838                         ghb_ui_update(ud, "container", ghb_string_value("m4v"));
 839                 }
 840                 g_free(container);
 841         }
 842 }
 843
 844 static gchar*
 845 get_aspect_string(gint aspect_n, gint aspect_d)
 846 {
 847         gchar *aspect;
 848
 849         if (aspect_d < 10)
 850         {
 851                 aspect = g_strdup_printf("%d:%d", aspect_n, aspect_d);
 852         }
 853         else
 854         {
 855                 gdouble aspect_nf = (gdouble)aspect_n / aspect_d;
 856                 aspect = g_strdup_printf("%.2f:1", aspect_nf);
 857         }
 858         return aspect;
 859 }
 860
 861 static gchar*
 862 get_rate_string(gint rate_base, gint rate)
 863 {
 864         gdouble rate_f = (gdouble)rate / rate_base;
 865         gchar *rate_s;
 866
 867         rate_s = g_strdup_printf("%.6g", rate_f);
 868         return rate_s;
 869 }
 870 static void
 871 show_title_info(signal_user_data_t *ud, ghb_title_info_t *tinfo)
 872 {
 873         GtkWidget *widget;
 874         gchar *text;
 875
 876         widget = GHB_WIDGET (ud->builder, "title_duration");
 877         if (tinfo->duration != 0)
 878         {
 879                 text = g_strdup_printf ("%02d:%02d:%02d", tinfo->hours,
 880                                 tinfo->minutes, tinfo->seconds);
 881         }
 882         else
 883         {
 884                 text = g_strdup_printf ("Unknown");
 885         }
 886         gtk_label_set_text (GTK_LABEL(widget), text);
 887         g_free(text);
 888         widget = GHB_WIDGET (ud->builder, "source_dimensions");
 889         text = g_strdup_printf ("%d x %d", tinfo->width, tinfo->height);
 890         gtk_label_set_text (GTK_LABEL(widget), text);
 891         ghb_settings_set_int(ud->settings, "source_width", tinfo->width);
 892         ghb_settings_set_int(ud->settings, "source_height", tinfo->height);
 893         g_free(text);
 894         widget = GHB_WIDGET (ud->builder, "source_aspect");
 895         text = get_aspect_string(tinfo->aspect_n, tinfo->aspect_d);
 896         gtk_label_set_text (GTK_LABEL(widget), text);
 897         g_free(text);
 898
 899         widget = GHB_WIDGET (ud->builder, "source_frame_rate");
 900         text = (gchar*)get_rate_string(tinfo->rate_base, tinfo->rate);
 901         gtk_label_set_text (GTK_LABEL(widget), text);
 902         g_free(text);
 903
 904         ghb_ui_update(ud, "scale_width",
 905                 ghb_int64_value(tinfo->width - tinfo->crop[2] - tinfo->crop[3]));
 906         // If anamorphic or keep_aspect, the hight will be automatically calculated
 907         gboolean keep_aspect, anamorphic;
 908         keep_aspect = ghb_settings_get_boolean(ud->settings, "keep_aspect");
 909         anamorphic = ghb_settings_get_boolean(ud->settings, "anamorphic");
 910         if (!(keep_aspect || anamorphic))
 911         {
 912                 ghb_ui_update(ud, "scale_height",
 913                         ghb_int64_value(tinfo->height - tinfo->crop[0] - tinfo->crop[1]));
 914         }
 915
 916         // Set the limits of cropping.  hb_set_anamorphic_size crashes if
 917         // you pass it a cropped width or height == 0.
 918         gint bound;
 919         bound = tinfo->height / 2 - 2;
 920         widget = GHB_WIDGET (ud->builder, "crop_top");
 921         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 0, bound);
 922         widget = GHB_WIDGET (ud->builder, "crop_bottom");
 923         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 0, bound);
 924         bound = tinfo->width / 2 - 2;
 925         widget = GHB_WIDGET (ud->builder, "crop_left");
 926         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 0, bound);
 927         widget = GHB_WIDGET (ud->builder, "crop_right");
 928         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 0, bound);
 929         if (ghb_settings_get_boolean(ud->settings, "autocrop"))
 930         {
 931                 ghb_ui_update(ud, "crop_top", ghb_int64_value(tinfo->crop[0]));
 932                 ghb_ui_update(ud, "crop_bottom", ghb_int64_value(tinfo->crop[1]));
 933                 ghb_ui_update(ud, "crop_left", ghb_int64_value(tinfo->crop[2]));
 934                 ghb_ui_update(ud, "crop_right", ghb_int64_value(tinfo->crop[3]));
 935         }
 936         g_debug("setting max end chapter %d", tinfo->num_chapters);
 937         widget = GHB_WIDGET (ud->builder, "end_chapter");
 938         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 1, tinfo->num_chapters);
 939         gtk_spin_button_set_value (GTK_SPIN_BUTTON(widget), tinfo->num_chapters);
 940         widget = GHB_WIDGET (ud->builder, "start_chapter");
 941         gtk_spin_button_set_value (GTK_SPIN_BUTTON(widget), 1);
 942 }
 943
 944 static gint preview_button_width;
 945 static gint preview_button_height;
 946 static gboolean update_preview = FALSE;
 947
 948 static void
 949 set_preview_image(signal_user_data_t *ud)
 950 {
 951         GtkWidget *widget;
 952         gint preview_width, preview_height, target_height, width, height;
 953
 954         g_debug("set_preview_button_image ()");
 955         gint titleindex;
 956
 957         titleindex = ghb_settings_combo_int(ud->settings, "title");
 958         if (titleindex < 0) return;
 959         widget = GHB_WIDGET (ud->builder, "preview_frame");
 960         gint frame = ghb_widget_int(widget) - 1;
 961         GdkPixbuf *preview = ghb_get_preview_image (titleindex, frame, ud->settings, TRUE);
 962         if (preview == NULL) return;
 963         widget = GHB_WIDGET (ud->builder, "preview_image");
 964         gtk_image_set_from_pixbuf(GTK_IMAGE(widget), preview);
 965
 966         preview_width = gdk_pixbuf_get_width(preview);
 967         preview_height = gdk_pixbuf_get_height(preview);
 968         gchar *text = g_strdup_printf("%d x %d", preview_width, preview_height);
 969         widget = GHB_WIDGET (ud->builder, "preview_dims");
 970         gtk_label_set_text(GTK_LABEL(widget), text);
 971         g_free(text);
 972
 973         g_debug("preview %d x %d", preview_width, preview_height);
 974         target_height = MIN(preview_button_height - 12, 128);
 975         height = target_height;
 976         width = preview_width * height / preview_height;
 977
 978         if ((height >= 16) && (width >= 16))
 979         {
 980                 GdkPixbuf *scaled_preview;
 981                 scaled_preview = gdk_pixbuf_scale_simple (preview, width, height, GDK_INTERP_NEAREST);
 982                 if (scaled_preview != NULL)
 983                 {
 984                         g_object_unref (preview);
 985
 986                         widget = GHB_WIDGET (ud->builder, "preview_button_image");
 987                         gtk_image_set_from_pixbuf(GTK_IMAGE(widget), scaled_preview);
 988                         g_object_unref (scaled_preview);
 989                 }
 990         }
 991 }
 992
 993 void
 994 title_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
 995 {
 996         ghb_title_info_t tinfo;
 997         gint titleindex;
 998         gchar *preset;
 999
1000         g_debug("title_changed_cb ()");
1001         ghb_widget_to_setting(ud->settings, widget);
1002         ghb_check_dependency(ud, widget);
1003
1004         titleindex = ghb_settings_combo_int(ud->settings, "title");
1005         ghb_update_ui_combo_box (ud->builder, "audio_track", titleindex, FALSE);
1006         ghb_update_ui_combo_box (ud->builder, "subtitle_lang", titleindex, FALSE);
1007
1008         preset = ghb_settings_get_string (ud->settings, "preset");
1009         ghb_update_from_preset(ud, preset, "subtitle_lang");
1010         g_free(preset);
1011         if (ghb_get_title_info (&tinfo, titleindex))
1012         {
1013                 show_title_info(ud, &tinfo);
1014         }
1015         update_chapter_list (ud);
1016         ghb_adjust_audio_rate_combos(ud);
1017         ghb_set_pref_audio(titleindex, ud);
1018         if (ghb_settings_get_boolean(ud->settings, "vquality_type_target"))
1019         {
1020                 gint bitrate = ghb_calculate_target_bitrate (ud->settings, titleindex);
1021                 ghb_ui_update(ud, "video_bitrate", ghb_int64_value(bitrate));
1022         }
1023
1024         // Unfortunately, there is no way to query how many frames were
1025         // actually generated during the scan.  It attempts to make 10.
1026         // If I knew how many were generated, I would adjust the spin
1027         // control range here.
1028         ghb_ui_update(ud, "preview_frame", ghb_int64_value(1));
1029
1030         set_preview_image (ud);
1031 }
1032
1033 void
1034 setting_widget_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1035 {
1036         ghb_widget_to_setting(ud->settings, widget);
1037         ghb_check_dependency(ud, widget);
1038         ghb_clear_presets_selection(ud);
1039 }
1040
1041 static void
1042 validate_filter_widget(signal_user_data_t *ud, const gchar *name)
1043 {
1044         GtkTreeModel *store;
1045         GtkTreeIter iter;
1046         const gchar *str;
1047         gboolean foundit = FALSE;
1048         GtkComboBox *combo = GTK_COMBO_BOX(GHB_WIDGET(ud->builder, name));
1049         if (gtk_combo_box_get_active(combo) < 0)
1050         { // Validate user input
1051                 gchar *val = ghb_settings_get_string(ud->settings, name);
1052                 store = gtk_combo_box_get_model(combo);
1053                 // Check to see if user manually entered one of the combo options
1054                 if (gtk_tree_model_get_iter_first(store, &iter))
1055                 {
1056                         do
1057                         {
1058                                 gtk_tree_model_get(store, &iter, 0, &str, -1);
1059                                 if (strcasecmp(val, str) == 0)
1060                                 {
1061                                         gtk_combo_box_set_active_iter(combo, &iter);
1062                                         foundit = TRUE;
1063                                         break;
1064                                 }
1065                         } while (gtk_tree_model_iter_next(store, &iter));
1066                 }
1067                 if (!foundit)
1068                 { // validate format of filter string
1069                         if (!ghb_validate_filter_string(val, -1))
1070                                 gtk_combo_box_set_active(combo, 0);
1071                 }
1072                 g_free(val);
1073         }
1074 }
1075
1076 gboolean
1077 deint_tweak_focus_out_cb(GtkWidget *widget, GdkEventFocus *event,
1078         signal_user_data_t *ud)
1079 {
1080         g_debug("deint_tweak_focus_out_cb ()");
1081         validate_filter_widget(ud, "tweak_deinterlace");
1082         return FALSE;
1083 }
1084
1085 gboolean
1086 denoise_tweak_focus_out_cb(GtkWidget *widget, GdkEventFocus *event,
1087         signal_user_data_t *ud)
1088 {
1089         g_debug("denoise_tweak_focus_out_cb ()");
1090         validate_filter_widget(ud, "tweak_noise");
1091         return FALSE;
1092 }
1093
1094 void
1095 http_opt_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1096 {
1097         ghb_widget_to_setting(ud->settings, widget);
1098         ghb_check_dependency(ud, widget);
1099         ghb_clear_presets_selection(ud);
1100         // AC3 is not allowed when Web optimized
1101         ghb_grey_combo_options (ud->builder);
1102 }
1103
1104 void
1105 vcodec_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1106 {
1107         gint vqmin, vqmax;
1108
1109         ghb_widget_to_setting(ud->settings, widget);
1110         ghb_check_dependency(ud, widget);
1111         ghb_clear_presets_selection(ud);
1112         ghb_vquality_range(ud, &vqmin, &vqmax);
1113         GtkWidget *qp = GHB_WIDGET(ud->builder, "video_quality");
1114         gtk_range_set_range (GTK_RANGE(qp), vqmin, vqmax);
1115 }
1116
1117 void
1118 target_size_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1119 {
1120         const gchar *name = gtk_widget_get_name(widget);
1121         g_debug("setting_widget_changed_cb () %s", name);
1122         ghb_widget_to_setting(ud->settings, widget);
1123         ghb_check_dependency(ud, widget);
1124         ghb_clear_presets_selection(ud);
1125         if (ghb_settings_get_boolean(ud->settings, "vquality_type_target"))
1126         {
1127                 gint titleindex;
1128                 titleindex = ghb_settings_combo_int(ud->settings, "title");
1129                 gint bitrate = ghb_calculate_target_bitrate (ud->settings, titleindex);
1130                 ghb_ui_update(ud, "video_bitrate", ghb_int64_value(bitrate));
1131         }
1132 }
1133
1134 void
1135 start_chapter_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1136 {
1137         gint start, end;
1138         const gchar *name = gtk_widget_get_name(widget);
1139
1140         g_debug("start_chapter_changed_cb () %s", name);
1141         ghb_widget_to_setting(ud->settings, widget);
1142         start = ghb_settings_get_int(ud->settings, "start_chapter");
1143         end = ghb_settings_get_int(ud->settings, "end_chapter");
1144         if (start > end)
1145                 ghb_ui_update(ud, "end_chapter", ghb_int_value(start));
1146         ghb_check_dependency(ud, widget);
1147         if (ghb_settings_get_boolean(ud->settings, "chapters_in_destination"))
1148         {
1149                 set_destination(ud);
1150         }
1151 }
1152
1153 void
1154 end_chapter_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1155 {
1156         gint start, end;
1157         const gchar *name = gtk_widget_get_name(widget);
1158
1159         g_debug("end_chapter_changed_cb () %s", name);
1160         ghb_widget_to_setting(ud->settings, widget);
1161         start = ghb_settings_get_int(ud->settings, "start_chapter");
1162         end = ghb_settings_get_int(ud->settings, "end_chapter");
1163         if (start > end)
1164                 ghb_ui_update(ud, "start_chapter", ghb_int_value(end));
1165         ghb_check_dependency(ud, widget);
1166         if (ghb_settings_get_boolean(ud->settings, "chapters_in_destination"))
1167         {
1168                 set_destination(ud);
1169         }
1170 }
1171
1172 void
1173 scale_width_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1174 {
1175         g_debug("scale_width_changed_cb ()");
1176         ghb_widget_to_setting(ud->settings, widget);
1177         ghb_check_dependency(ud, widget);
1178         ghb_set_scale (ud, GHB_SCALE_KEEP_WIDTH);
1179         update_preview = TRUE;
1180         gchar *text;
1181         gint width = ghb_settings_get_int(ud->settings, "scale_width");
1182         gint height = ghb_settings_get_int(ud->settings, "scale_height");
1183         widget = GHB_WIDGET (ud->builder, "scale_dimensions");
1184         text = g_strdup_printf ("%d x %d", width, height);
1185         gtk_label_set_text (GTK_LABEL(widget), text);
1186         g_free(text);
1187 }
1188
1189 void
1190 scale_height_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1191 {
1192         g_debug("scale_height_changed_cb ()");
1193         ghb_widget_to_setting(ud->settings, widget);
1194         ghb_check_dependency(ud, widget);
1195         ghb_set_scale (ud, GHB_SCALE_KEEP_HEIGHT);
1196         update_preview = TRUE;
1197         gchar *text;
1198         gint width = ghb_settings_get_int(ud->settings, "scale_width");
1199         gint height = ghb_settings_get_int(ud->settings, "scale_height");
1200         widget = GHB_WIDGET (ud->builder, "scale_dimensions");
1201         text = g_strdup_printf ("%d x %d", width, height);
1202         gtk_label_set_text (GTK_LABEL(widget), text);
1203         g_free(text);
1204 }
1205
1206 void
1207 crop_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1208 {
1209         gint titleindex, crop[4];
1210         ghb_title_info_t tinfo;
1211
1212         g_debug("crop_changed_cb ()");
1213         ghb_widget_to_setting(ud->settings, widget);
1214         ghb_check_dependency(ud, widget);
1215         ghb_set_scale (ud, GHB_SCALE_KEEP_NONE);
1216
1217         crop[0] = ghb_settings_get_int(ud->settings, "crop_top");
1218         crop[1] = ghb_settings_get_int(ud->settings, "crop_bottom");
1219         crop[2] = ghb_settings_get_int(ud->settings, "crop_left");
1220         crop[3] = ghb_settings_get_int(ud->settings, "crop_right");
1221         titleindex = ghb_settings_combo_int(ud->settings, "title");
1222         if (ghb_get_title_info (&tinfo, titleindex))
1223         {
1224                 gint width, height;
1225                 gchar *text;
1226
1227                 width = tinfo.width - crop[2] - crop[3];
1228                 height = tinfo.height - crop[0] - crop[1];
1229                 widget = GHB_WIDGET (ud->builder, "crop_dimensions");
1230                 text = g_strdup_printf ("%d x %d", width, height);
1231                 gtk_label_set_text (GTK_LABEL(widget), text);
1232                 g_free(text);
1233         }
1234         gchar *text;
1235         widget = GHB_WIDGET (ud->builder, "crop_values");
1236         text = g_strdup_printf ("%d:%d:%d:%d", crop[0], crop[1], crop[2], crop[3]);
1237         gtk_label_set_text (GTK_LABEL(widget), text);
1238         g_free(text);
1239         update_preview = TRUE;
1240 }
1241
1242 void
1243 scale_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1244 {
1245         g_debug("scale_changed_cb ()");
1246         ghb_widget_to_setting(ud->settings, widget);
1247         ghb_check_dependency(ud, widget);
1248         ghb_clear_presets_selection(ud);
1249         ghb_set_scale (ud, GHB_SCALE_KEEP_NONE);
1250         update_preview = TRUE;
1251
1252         gchar *text;
1253
1254         text = ghb_settings_get_boolean(ud->settings, "autocrop") ? "On" : "Off";
1255         widget = GHB_WIDGET (ud->builder, "crop_auto");
1256         gtk_label_set_text (GTK_LABEL(widget), text);
1257         text = ghb_settings_get_boolean(ud->settings, "autoscale") ? "On" : "Off";
1258         widget = GHB_WIDGET (ud->builder, "scale_auto");
1259         gtk_label_set_text (GTK_LABEL(widget), text);
1260         text = ghb_settings_get_boolean(ud->settings, "anamorphic") ? "On" : "Off";
1261         widget = GHB_WIDGET (ud->builder, "scale_anamorphic");
1262         gtk_label_set_text (GTK_LABEL(widget), text);
1263 }
1264
1265 void
1266 generic_entry_changed_cb(GtkEntry *entry, signal_user_data_t *ud)
1267 {
1268         // Normally (due to user input) I only want to process the entry
1269         // when editing is done and the focus-out signal is sent.
1270         // But... there's always a but.
1271         // If the entry is changed by software, the focus-out signal is not sent.
1272         // The changed signal is sent ... so here we are.
1273         // I don't want to process upon every keystroke, so I prevent processing
1274         // while the widget has focus.
1275         g_debug("generic_entry_changed_cb ()");
1276         if (!GTK_WIDGET_HAS_FOCUS((GtkWidget*)entry))
1277         {
1278                 ghb_widget_to_setting(ud->settings, (GtkWidget*)entry);
1279         }
1280 }
1281
1282 void
1283 prefs_dialog_cb(GtkWidget *xwidget, signal_user_data_t *ud)
1284 {
1285         GtkWidget *dialog;
1286         GtkResponseType response;
1287
1288         g_debug("prefs_dialog_cb ()");
1289         dialog = GHB_WIDGET(ud->builder, "prefs_dialog");
1290         response = gtk_dialog_run(GTK_DIALOG(dialog));
1291         gtk_widget_hide(dialog);
1292 }
1293
1294 gboolean
1295 ghb_message_dialog(GtkMessageType type, const gchar *message, const gchar *no, const gchar *yes)
1296 {
1297         GtkWidget *dialog;
1298         GtkResponseType response;
1299
1300         // Toss up a warning dialog
1301         dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
1302                                                         type, GTK_BUTTONS_NONE,
1303                                                         message);
1304         gtk_dialog_add_buttons( GTK_DIALOG(dialog),
1305                                                    no, GTK_RESPONSE_NO,
1306                                                    yes, GTK_RESPONSE_YES, NULL);
1307         response = gtk_dialog_run(GTK_DIALOG(dialog));
1308         gtk_widget_destroy (dialog);
1309         if (response == GTK_RESPONSE_NO)
1310         {
1311                 return FALSE;
1312         }
1313         return TRUE;
1314 }
1315
1316 gboolean
1317 ghb_cancel_encode(const gchar *extra_msg)
1318 {
1319         GtkWidget *dialog;
1320         GtkResponseType response;
1321
1322         if (extra_msg == NULL) extra_msg = "";
1323         // Toss up a warning dialog
1324         dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
1325                                 GTK_MESSAGE_WARNING, GTK_BUTTONS_NONE,
1326                                 "%sYour movie will be lost if you don't continue encoding.",
1327                                 extra_msg);
1328         gtk_dialog_add_buttons( GTK_DIALOG(dialog),
1329                                                    "Continue Encoding", GTK_RESPONSE_NO,
1330                                                    "Stop Encoding", GTK_RESPONSE_YES, NULL);
1331         response = gtk_dialog_run(GTK_DIALOG(dialog));
1332         gtk_widget_destroy (dialog);
1333         if (response == GTK_RESPONSE_NO) return FALSE;
1334         ghb_stop_queue();
1335         return TRUE;
1336 }
1337
1338 static void
1339 submit_job(GValue *settings)
1340 {
1341         static gint unique_id = 1;
1342
1343         g_debug("submit_job");
1344         if (settings == NULL) return;
1345         ghb_settings_set_int(settings, "job_unique_id", unique_id);
1346         ghb_settings_set_int(settings, "job_status", GHB_QUEUE_RUNNING);
1347         ghb_add_job (settings, unique_id);
1348         ghb_start_queue();
1349         unique_id++;
1350 }
1351
1352 static void
1353 queue_scan(GValue *js)
1354 {
1355         gchar *path;
1356         gint titlenum;
1357
1358         path = ghb_settings_get_string( js, "source");
1359         titlenum = ghb_settings_get_int(js, "titlenum");
1360         ghb_backend_queue_scan(path, titlenum);
1361         g_free(path);
1362 }
1363
1364 GValue*
1365 ghb_start_next_job(signal_user_data_t *ud, gboolean find_first)
1366 {
1367         static gint current = 0;
1368         gint count, ii, jj;
1369         GValue *js;
1370         gint status;
1371
1372         g_debug("start_next_job");
1373         count = ghb_array_len(ud->queue);
1374         if (find_first)
1375         {       // Start the first pending item in the queue
1376                 current = 0;
1377                 for (ii = 0; ii < count; ii++)
1378                 {
1379
1380                         js = ghb_array_get_nth(ud->queue, ii);
1381                         status = ghb_settings_get_int(js, "job_status");
1382                         if (status == GHB_QUEUE_PENDING)
1383                         {
1384                                 current = ii;
1385                                 queue_scan(js);
1386                                 return js;
1387                         }
1388                 }
1389                 // Nothing pending
1390                 return NULL;
1391         }
1392         // Find the next pending item after the current running item
1393         for (ii = 0; ii < count-1; ii++)
1394         {
1395                 js = ghb_array_get_nth(ud->queue, ii);
1396                 status = ghb_settings_get_int(js, "job_status");
1397                 if (status == GHB_QUEUE_RUNNING)
1398                 {
1399                         for (jj = ii+1; jj < count; jj++)
1400                         {
1401                                 js = ghb_array_get_nth(ud->queue, jj);
1402                                 status = ghb_settings_get_int(js, "job_status");
1403                                 if (status == GHB_QUEUE_PENDING)
1404                                 {
1405                                         current = jj;
1406                                         queue_scan(js);
1407                                         return js;
1408                                 }
1409                         }
1410                 }
1411         }
1412         // No running item found? Maybe it was deleted
1413         // Look for a pending item starting from the last index we started
1414         for (ii = current; ii < count; ii++)
1415         {
1416                 js = ghb_array_get_nth(ud->queue, ii);
1417                 status = ghb_settings_get_int(js, "job_status");
1418                 if (status == GHB_QUEUE_PENDING)
1419                 {
1420                         current = ii;
1421                         queue_scan(js);
1422                         return js;
1423                 }
1424         }
1425         // Nothing found
1426         return NULL;
1427 }
1428
1429 static gint
1430 find_queue_job(GValue *queue, gint unique_id, GValue **job)
1431 {
1432         GValue *js;
1433         gint ii, count;
1434         gint job_unique_id;
1435
1436         *job = NULL;
1437         g_debug("find_queue_job");
1438         count = ghb_array_len(queue);
1439         for (ii = 0; ii < count; ii++)
1440         {
1441                 js = ghb_array_get_nth(queue, ii);
1442                 job_unique_id = ghb_settings_get_int(js, "job_unique_id");
1443                 if (job_unique_id == unique_id)
1444                 {
1445                         *job = js;
1446                         return ii;
1447                 }
1448         }
1449         return -1;
1450 }
1451
1452 gchar*
1453 working_status_string(signal_user_data_t *ud, ghb_status_t *status)
1454 {
1455         gchar *task_str, *job_str, *status_str;
1456         gint qcount;
1457         gint index;
1458         GValue *js;
1459
1460         if (status->job_count > 1)
1461         {
1462                 task_str = g_strdup_printf("pass %d of %d, ",
1463                         status->job_cur, status->job_count);
1464         }
1465         else
1466         {
1467                 task_str = g_strdup("");
1468         }
1469         qcount = ghb_array_len(ud->queue);
1470         if (qcount > 1)
1471         {
1472                 index = find_queue_job(ud->queue, status->unique_id, &js);
1473                 job_str = g_strdup_printf("job %d of %d, ", index+1, qcount);
1474         }
1475         else
1476         {
1477                 job_str = g_strdup("");
1478         }
1479         if(status->seconds > -1)
1480         {
1481                 status_str= g_strdup_printf(
1482                         "Encoding: %s%s%.2f %%"
1483                         " (%.2f fps, avg %.2f fps, ETA %02dh%02dm%02ds)",
1484                         job_str, task_str,
1485                         100.0 * status->progress,
1486                         status->rate_cur, status->rate_avg, status->hours,
1487                         status->minutes, status->seconds );
1488         }
1489         else
1490         {
1491                 status_str= g_strdup_printf(
1492                         "Encoding: %s%s%.2f %%",
1493                         job_str, task_str,
1494                         100.0 * status->progress );
1495         }
1496         g_free(task_str);
1497         g_free(job_str);
1498         return status_str;
1499 }
1500
1501 static void
1502 ghb_backend_events(signal_user_data_t *ud)
1503 {
1504         ghb_status_t status;
1505         gchar *status_str;
1506         GtkProgressBar *progress;
1507         gint titleindex;
1508         GValue *js;
1509         gint index;
1510         GtkTreeView *treeview;
1511         GtkTreeStore *store;
1512         GtkTreeIter iter;
1513         static gint working = 0;
1514         static gboolean work_started = FALSE;
1515
1516         ghb_track_status();
1517         ghb_get_status(&status);
1518         progress = GTK_PROGRESS_BAR(GHB_WIDGET (ud->builder, "progressbar"));
1519         // First handle the status of title scans
1520         // Then handle the status of the queue
1521         if (status.state & GHB_STATE_SCANNING)
1522         {
1523                 if (status.title_cur == 0)
1524                 {
1525                         status_str = g_strdup ("Scanning...");
1526                 }
1527                 else
1528                 {
1529                         status_str = g_strdup_printf ("Scanning title %d of %d...",
1530                                                                   status.title_cur, status.title_count );
1531                 }
1532                 gtk_progress_bar_set_text (progress, status_str);
1533                 g_free(status_str);
1534                 if (status.title_count > 0)
1535                 {
1536                         gtk_progress_bar_set_fraction (progress,
1537                                 (gdouble)status.title_cur / status.title_count);
1538                 }
1539         }
1540         else if (status.state & GHB_STATE_SCANDONE)
1541         {
1542                 status_str = g_strdup_printf ("Scan done");
1543                 gtk_progress_bar_set_text (progress, status_str);
1544                 g_free(status_str);
1545                 gtk_progress_bar_set_fraction (progress, 1.0);
1546
1547                 ghb_title_info_t tinfo;
1548
1549                 ghb_update_ui_combo_box(ud->builder, "title", 0, FALSE);
1550                 titleindex = ghb_longest_title();
1551                 ghb_ui_update(ud, "title", ghb_int64_value(titleindex));
1552
1553                 // Are there really any titles.
1554                 if (!ghb_get_title_info(&tinfo, titleindex))
1555                 {
1556                         GtkProgressBar *progress;
1557                         progress = GTK_PROGRESS_BAR(GHB_WIDGET (ud->builder, "progressbar"));
1558                         gtk_progress_bar_set_fraction (progress, 0);
1559                         gtk_progress_bar_set_text (progress, "No Source");
1560                 }
1561                 ghb_clear_state(GHB_STATE_SCANDONE);
1562                 ghb_queue_buttons_grey(ud, work_started);
1563         }
1564         else if (status.queue_state & GHB_STATE_SCANNING)
1565         {
1566                 status_str = g_strdup_printf ("Scanning ...");
1567                 gtk_progress_bar_set_text (progress, status_str);
1568                 g_free(status_str);
1569                 gtk_progress_bar_set_fraction (progress, 0);
1570         }
1571         else if (status.queue_state & GHB_STATE_SCANDONE)
1572         {
1573                 ghb_clear_queue_state(GHB_STATE_SCANDONE);
1574                 submit_job(ud->current_job);
1575         }
1576         else if (status.queue_state & GHB_STATE_PAUSED)
1577         {
1578                 status_str = g_strdup_printf ("Paused");
1579                 gtk_progress_bar_set_text (progress, status_str);
1580                 g_free(status_str);
1581         }
1582         else if (status.queue_state & GHB_STATE_WORKING)
1583         {
1584                 status_str = working_status_string(ud, &status);
1585                 gtk_progress_bar_set_text (progress, status_str);
1586                 gtk_progress_bar_set_fraction (progress, status.progress);
1587                 g_free(status_str);
1588         }
1589         else if (status.queue_state & GHB_STATE_WORKDONE)
1590         {
1591                 gint qstatus;
1592
1593                 work_started = FALSE;
1594                 ghb_queue_buttons_grey(ud, FALSE);
1595                 index = find_queue_job(ud->queue, status.unique_id, &js);
1596                 treeview = GTK_TREE_VIEW(GHB_WIDGET(ud->builder, "queue_list"));
1597                 store = GTK_TREE_STORE(gtk_tree_view_get_model(treeview));
1598                 if (ud->cancel_encode)
1599                         status.error = GHB_ERROR_CANCELED;
1600                 switch( status.error )
1601                 {
1602                         case GHB_ERROR_NONE:
1603                                 gtk_progress_bar_set_text( progress, "Rip done!" );
1604                                 qstatus = GHB_QUEUE_DONE;
1605                                 if (js != NULL)
1606                                 {
1607                                         gchar *path = g_strdup_printf ("%d", index);
1608                                         if (gtk_tree_model_get_iter_from_string(
1609                                                         GTK_TREE_MODEL(store), &iter, path))
1610                                         {
1611                                                 gtk_tree_store_set(store, &iter, 0, "hb-complete", -1);
1612                                         }
1613                                         g_free(path);
1614                                 }
1615                                 break;
1616                         case GHB_ERROR_CANCELED:
1617                                 gtk_progress_bar_set_text( progress, "Rip canceled." );
1618                                 qstatus = GHB_QUEUE_CANCELED;
1619                                 if (js != NULL)
1620                                 {
1621                                         gchar *path = g_strdup_printf ("%d", index);
1622                                         if (gtk_tree_model_get_iter_from_string(
1623                                                         GTK_TREE_MODEL(store), &iter, path))
1624                                         {
1625                                                 gtk_tree_store_set(store, &iter, 0, "hb-canceled", -1);
1626                                         }
1627                                         g_free(path);
1628                                 }
1629                                 break;
1630                         default:
1631                                 gtk_progress_bar_set_text( progress, "Rip failed.");
1632                                 qstatus = GHB_QUEUE_CANCELED;
1633                                 if (js != NULL)
1634                                 {
1635                                         gchar *path = g_strdup_printf ("%d", index);
1636                                         if (gtk_tree_model_get_iter_from_string(
1637                                                         GTK_TREE_MODEL(store), &iter, path))
1638                                         {
1639                                                 gtk_tree_store_set(store, &iter, 0, "hb-canceled", -1);
1640                                         }
1641                                         g_free(path);
1642                                 }
1643                 }
1644                 gtk_progress_bar_set_fraction (progress, 1.0);
1645                 ghb_clear_queue_state(GHB_STATE_WORKDONE);
1646                 if (!ud->cancel_encode)
1647                         ud->current_job = ghb_start_next_job(ud, FALSE);
1648                 else
1649                         ud->current_job = NULL;
1650                 if (js)
1651                         ghb_settings_set_int(js, "job_status", qstatus);
1652                 ghb_save_queue(ud->queue);
1653                 ud->cancel_encode = FALSE;
1654         }
1655         else if (status.queue_state & GHB_STATE_MUXING)
1656         {
1657                 gtk_progress_bar_set_text(progress, "Muxing: this may take awhile...");
1658         }
1659         if (status.queue_state & GHB_STATE_SCANNING)
1660         {
1661                 // This needs to be in scanning and working since scanning
1662                 // happens fast enough that it can be missed
1663                 if (!work_started)
1664                 {
1665                         work_started = TRUE;
1666                         ghb_queue_buttons_grey(ud, TRUE);
1667                 }
1668         }
1669         if (status.queue_state & GHB_STATE_WORKING)
1670         {
1671                 // This needs to be in scanning and working since scanning
1672                 // happens fast enough that it can be missed
1673                 if (!work_started)
1674                 {
1675                         work_started = TRUE;
1676                         ghb_queue_buttons_grey(ud, TRUE);
1677                 }
1678                 index = find_queue_job(ud->queue, status.unique_id, &js);
1679                 if (status.unique_id != 0 && index >= 0)
1680                 {
1681                         gchar working_icon[] = "hb-working0";
1682                         working_icon[10] = '0' + working;
1683                         working = (working+1) % 6;
1684                         treeview = GTK_TREE_VIEW(GHB_WIDGET(ud->builder, "queue_list"));
1685                         store = GTK_TREE_STORE(gtk_tree_view_get_model(treeview));
1686                         gchar *path = g_strdup_printf ("%d", index);
1687                         if (gtk_tree_model_get_iter_from_string(
1688                                         GTK_TREE_MODEL(store), &iter, path))
1689                         {
1690                                 gtk_tree_store_set(store, &iter, 0, working_icon, -1);
1691                         }
1692                         g_free(path);
1693                 }
1694                 GtkLabel *label;
1695                 gchar *status_str;
1696
1697                 status_str = working_status_string(ud, &status);
1698                 label = GTK_LABEL(GHB_WIDGET(ud->builder, "queue_status"));
1699                 gtk_label_set_text (label, status_str);
1700                 g_free(status_str);
1701         }
1702 }
1703
1704 gboolean
1705 ghb_timer_cb(gpointer data)
1706 {
1707         signal_user_data_t *ud = (signal_user_data_t*)data;
1708
1709         ghb_backend_events(ud);
1710         if (update_default_destination)
1711         {
1712                 gchar *dest, *dest_dir, *def_dest;
1713                 dest = ghb_settings_get_string(ud->settings, "destination");
1714                 dest_dir = g_path_get_dirname (dest);
1715                 def_dest = ghb_settings_get_string(ud->settings, "destination_dir");
1716                 if (strcmp(dest_dir, def_dest) != 0)
1717                 {
1718                         ghb_settings_set_string (ud->settings, "destination_dir", dest_dir);
1719                         ghb_pref_save (ud->settings, "destination_dir");
1720                 }
1721                 g_free(dest);
1722                 g_free(dest_dir);
1723                 g_free(def_dest);
1724                 update_default_destination = FALSE;
1725         }
1726         if (update_preview)
1727         {
1728                 set_preview_image (ud);
1729                 update_preview = FALSE;
1730         }
1731         return TRUE;
1732 }
1733
1734 gboolean
1735 ghb_log_cb(GIOChannel *source, GIOCondition cond, gpointer data)
1736 {
1737         gchar *text = NULL;
1738         gsize length;
1739         GtkTextView *textview;
1740         GtkTextBuffer *buffer;
1741         GtkTextIter iter;
1742         GtkTextMark *mark;
1743         GError *gerror = NULL;
1744         GIOStatus status;
1745
1746         signal_user_data_t *ud = (signal_user_data_t*)data;
1747
1748         status = g_io_channel_read_line (source, &text, &length, NULL, &gerror);
1749         if (text != NULL)
1750         {
1751                 GdkWindow *window;
1752                 gint width, height;
1753                 gint x, y;
1754                 gboolean bottom = FALSE;
1755
1756                 textview = GTK_TEXT_VIEW(GHB_WIDGET (ud->builder, "activity_view"));
1757                 buffer = gtk_text_view_get_buffer (textview);
1758                 // I would like to auto-scroll the window when the scrollbar
1759                 // is at the bottom,
1760                 // must determining whether the insert point is at
1761                 // the bottom of the window
1762                 window = gtk_text_view_get_window(textview, GTK_TEXT_WINDOW_TEXT);
1763                 if (window != NULL)
1764                 {
1765                         gdk_drawable_get_size(GDK_DRAWABLE(window), &width, &height);
1766                         gtk_text_view_window_to_buffer_coords(textview,
1767                                 GTK_TEXT_WINDOW_TEXT, width, height, &x, &y);
1768                         gtk_text_view_get_iter_at_location(textview, &iter, x, y);
1769                         if (gtk_text_iter_is_end(&iter))
1770                         {
1771                                 bottom = TRUE;
1772                         }
1773                 }
1774                 else
1775                 {
1776                         // If the window isn't available, assume bottom
1777                         bottom = TRUE;
1778                 }
1779                 gtk_text_buffer_get_end_iter(buffer, &iter);
1780                 gtk_text_buffer_insert(buffer, &iter, text, -1);
1781                 if (bottom)
1782                 {
1783                         //gtk_text_view_scroll_to_iter(textview, &iter, 0, FALSE, 0, 0);
1784                         mark = gtk_text_buffer_get_insert (buffer);
1785                         gtk_text_view_scroll_mark_onscreen(textview, mark);
1786                 }
1787                 g_io_channel_write_chars (ud->activity_log, text, length, &length, NULL);
1788                 g_free(text);
1789         }
1790         if (status != G_IO_STATUS_NORMAL)
1791         {
1792                 // This should never happen, but if it does I would get into an
1793                 // infinite loop.  Returning false removes this callback.
1794                 g_warning("Error while reading activity from pipe");
1795                 if (gerror != NULL)
1796                 {
1797                         g_warning("%s", gerror->message);
1798                         g_error_free (gerror);
1799                 }
1800                 return FALSE;
1801         }
1802         if (gerror != NULL)
1803                 g_error_free (gerror);
1804         return TRUE;
1805 }
1806
1807 void
1808 about_activate_cb(GtkWidget *xwidget, signal_user_data_t *ud)
1809 {
1810         GtkWidget *widget = GHB_WIDGET (ud->builder, "hb_about");
1811         gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(widget), ghb_version());
1812         gtk_widget_show (widget);
1813 }
1814
1815 void
1816 guide_activate_cb(GtkWidget *xwidget, signal_user_data_t *ud)
1817 {
1818         gboolean result;
1819         char *argv[] =
1820                 {"xdg-open","http://trac.handbrake.fr/wiki/HandBrakeGuide",NULL,NULL};
1821         result = g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
1822                                 NULL, NULL, NULL);
1823         if (result) return;
1824
1825         argv[0] = "gnome-open";
1826         result = g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
1827                                 NULL, NULL, NULL);
1828         if (result) return;
1829
1830         argv[0] = "kfmclient";
1831         argv[1] = "exec";
1832         argv[2] = "http://trac.handbrake.fr/wiki/HandBrakeGuide";
1833         result = g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
1834                                 NULL, NULL, NULL);
1835         if (result) return;
1836
1837         argv[0] = "firefox";
1838         argv[1] = "http://trac.handbrake.fr/wiki/HandBrakeGuide";
1839         argv[2] = NULL;
1840         result = g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
1841                                 NULL, NULL, NULL);
1842         if (result) return;
1843 }
1844
1845 void
1846 hb_about_response_cb(GtkWidget *widget, gint response, signal_user_data_t *ud)
1847 {
1848         gtk_widget_hide (widget);
1849 }
1850
1851 void
1852 show_activity_clicked_cb(GtkWidget *xwidget, signal_user_data_t *ud)
1853 {
1854         GtkWidget *widget = GHB_WIDGET (ud->builder, "activity_window");
1855         gtk_widget_show (widget);
1856 }
1857
1858 void
1859 show_queue_clicked_cb(GtkWidget *xwidget, signal_user_data_t *ud)
1860 {
1861         GtkWidget *widget = GHB_WIDGET (ud->builder, "queue_window");
1862         gtk_widget_show (widget);
1863 }
1864
1865 void
1866 show_presets_toggled_cb(GtkToggleButton *button, signal_user_data_t *ud)
1867 {
1868         GtkWidget *widget;
1869         GtkWindow *hb_window;
1870
1871         g_debug("show_presets_clicked_cb ()");
1872         widget = GHB_WIDGET (ud->builder, "presets_frame");
1873         if (gtk_toggle_button_get_active(button))
1874         {
1875                 gtk_widget_show_now(widget);
1876         }
1877         else
1878         {
1879                 gtk_widget_hide(widget);
1880                 hb_window = GTK_WINDOW(GHB_WIDGET (ud->builder, "hb_window"));
1881                 gtk_window_resize(hb_window, 16, 16);
1882         }
1883         ghb_widget_to_setting(ud->settings, GTK_WIDGET(button));
1884         ghb_pref_save(ud->settings, "show_presets");
1885 }
1886
1887 static void
1888 update_chapter_list(signal_user_data_t *ud)
1889 {
1890         GtkTreeView *treeview;
1891         GtkTreeIter iter;
1892         GtkListStore *store;
1893         gboolean done;
1894         GValue *chapters;
1895         gint titleindex, ii;
1896         gint count;
1897
1898         g_debug("update_chapter_list ()");
1899         titleindex = ghb_settings_combo_int(ud->settings, "title");
1900         chapters = ghb_get_chapters(titleindex);
1901         count = ghb_array_len(chapters);
1902         if (chapters)
1903                 ghb_settings_set_value(ud->settings, "chapter_list", chapters);
1904
1905         treeview = GTK_TREE_VIEW(GHB_WIDGET(ud->builder, "chapters_list"));
1906         store = GTK_LIST_STORE(gtk_tree_view_get_model(treeview));
1907         ii = 0;
1908         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter))
1909         {
1910                 do
1911                 {
1912
1913                         if (ii < count)
1914                         {
1915                                 gchar *chapter;
1916
1917                                 // Update row with settings data
1918                                 g_debug("Updating row");
1919                                 chapter = ghb_value_string(ghb_array_get_nth(chapters, ii));
1920                                 gtk_list_store_set(store, &iter,
1921                                         0, ii+1,
1922                                         1, chapter,
1923                                         2, TRUE,
1924                                         -1);
1925                                 g_free(chapter);
1926                                 ii++;
1927                                 done = !gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
1928                         }
1929                         else
1930                         {
1931                                 // No more settings data, remove row
1932                                 g_debug("Removing row");
1933                                 done = !gtk_list_store_remove(store, &iter);
1934                         }
1935                 } while (!done);
1936         }
1937         while (ii < count)
1938         {
1939                 gchar *chapter;
1940
1941                 // Additional settings, add row
1942                 g_debug("Adding row");
1943                 chapter = ghb_value_string(ghb_array_get_nth(chapters, ii));
1944                 gtk_list_store_append(store, &iter);
1945                 gtk_list_store_set(store, &iter,
1946                         0, ii+1,
1947                         1, chapter,
1948                         2, TRUE,
1949                         -1);
1950                 g_free(chapter);
1951                 ii++;
1952         }
1953 }
1954
1955 static gint chapter_edit_key = 0;
1956
1957 gboolean
1958 chapter_keypress_cb(
1959         GhbCellRendererText *cell,
1960         GdkEventKey *event,
1961         signal_user_data_t *ud)
1962 {
1963         chapter_edit_key = event->keyval;
1964         return FALSE;
1965 }
1966
1967 void
1968 chapter_edited_cb(
1969         GhbCellRendererText *cell,
1970         gchar *path,
1971         gchar *text,
1972         signal_user_data_t *ud)
1973 {
1974         GtkTreePath *treepath;
1975         GtkListStore *store;
1976         GtkTreeView *treeview;
1977         GtkTreeIter iter;
1978         gint index;
1979         gint *pi;
1980         gint row;
1981
1982         g_debug("chapter_edited_cb ()");
1983         g_debug("path (%s)", path);
1984         g_debug("text (%s)", text);
1985         treeview = GTK_TREE_VIEW(GHB_WIDGET(ud->builder, "chapters_list"));
1986         store = GTK_LIST_STORE(gtk_tree_view_get_model(treeview));
1987         treepath = gtk_tree_path_new_from_string (path);
1988         pi = gtk_tree_path_get_indices(treepath);
1989         row = pi[0];
1990         gtk_tree_model_get_iter(GTK_TREE_MODEL(store), &iter, treepath);
1991         gtk_list_store_set(store, &iter,
1992                 1, text,
1993                 2, TRUE,
1994                 -1);
1995         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, 0, &index, -1);
1996
1997         GValue *chapters;
1998         GValue *chapter;
1999
2000         chapters = ghb_settings_get_value(ud->settings, "chapter_list");
2001         chapter = ghb_array_get_nth(chapters, index-1);
2002         g_value_set_string(chapter, text);
2003         if ((chapter_edit_key == GDK_Return || chapter_edit_key == GDK_Down) &&
2004                 gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter))
2005         {
2006                 GtkTreeViewColumn *column;
2007
2008                 gtk_tree_path_next(treepath);
2009                 // When a cell has been edited, I want to advance to the
2010                 // next cell and start editing it automaitcally.
2011                 // Unfortunately, we may not be in a state here where
2012                 // editing is allowed.  This happens when the user selects
2013                 // a new cell with the mouse instead of just hitting enter.
2014                 // Some kind of Gtk quirk.  widget_editable==NULL assertion.
2015                 // Editing is enabled again once the selection event has been
2016                 // processed.  So I'm queueing up a callback to be called
2017                 // when things go idle.  There, I will advance to the next
2018                 // cell and initiate editing.
2019                 //
2020                 // Now, you might be asking why I don't catch the keypress
2021                 // event and determine what action to take based on that.
2022                 // The Gtk developers in their infinite wisdom have made the
2023                 // actual GtkEdit widget being used a private member of
2024                 // GtkCellRendererText, so it can not be accessed to hang a
2025                 // signal handler off of.  And they also do not propagate the
2026                 // keypress signals in any other way.  So that information is lost.
2027                 //g_idle_add((GSourceFunc)next_cell, ud);
2028                 //
2029                 // Keeping the above comment for posterity.
2030                 // I got industrious and made my own CellTextRendererText that
2031                 // passes on the key-press-event. So now I have much better
2032                 // control of this.
2033                 column = gtk_tree_view_get_column(treeview, 1);
2034                 gtk_tree_view_set_cursor(treeview, treepath, column, TRUE);
2035         }
2036         else if (chapter_edit_key == GDK_Up && row > 0)
2037         {
2038                 GtkTreeViewColumn *column;
2039                 gtk_tree_path_prev(treepath);
2040                 column = gtk_tree_view_get_column(treeview, 1);
2041                 gtk_tree_view_set_cursor(treeview, treepath, column, TRUE);
2042         }
2043         gtk_tree_path_free (treepath);
2044 }
2045
2046 void
2047 chapter_list_selection_changed_cb(GtkTreeSelection *selection, signal_user_data_t *ud)
2048 {
2049         g_debug("chapter_list_selection_changed_cb ()");
2050         //chapter_selection_changed = TRUE;
2051 }
2052
2053 void
2054 preview_button_clicked_cb(GtkWidget *xwidget, signal_user_data_t *ud)
2055 {
2056         gint titleindex;
2057
2058         titleindex = ghb_settings_combo_int(ud->settings, "title");
2059         if (titleindex < 0) return;
2060         g_debug("titleindex %d", titleindex);
2061
2062         GtkWidget *widget = GHB_WIDGET (ud->builder, "preview_window");
2063         gtk_widget_show (widget);
2064 }
2065
2066 void
2067 preview_frame_value_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
2068 {
2069         set_preview_image(ud);
2070 }
2071
2072 void
2073 preview_button_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation, signal_user_data_t *ud)
2074 {
2075         g_debug("-------------------------------allocate %d x %d", allocation->width, allocation->height);
2076         if (preview_button_width == allocation->width &&
2077                 preview_button_height == allocation->height)
2078         {
2079                 // Nothing to do. Bug out.
2080                 g_debug("nothing to do");
2081                 return;
2082         }
2083         g_debug("-------------------------------prev allocate %d x %d", preview_button_width, preview_button_height);
2084         preview_button_width = allocation->width;
2085         preview_button_height = allocation->height;
2086         set_preview_image(ud);
2087 }
2088
2089 void
2090 debug_log_handler(const gchar *domain, GLogLevelFlags flags, const gchar *msg, gpointer data)
2091 {
2092         signal_user_data_t *ud = (signal_user_data_t*)data;
2093
2094         if (ud->debug)
2095         {
2096                 printf("%s: %s\n", domain, msg);
2097         }
2098 }
2099
2100 static void
2101 set_visible(GtkWidget *widget, gboolean visible)
2102 {
2103         if (visible)
2104         {
2105                 gtk_widget_show_now(widget);
2106         }
2107         else
2108         {
2109                 gtk_widget_hide(widget);
2110         }
2111 }
2112
2113 void
2114 ghb_hbfd(signal_user_data_t *ud, gboolean hbfd)
2115 {
2116         GtkWidget *widget;
2117         g_debug("ghb_hbfd");
2118         widget = GHB_WIDGET(ud->builder, "queue_pause1");
2119         set_visible(widget, !hbfd);
2120         widget = GHB_WIDGET(ud->builder, "queue_add");
2121         set_visible(widget, !hbfd);
2122         widget = GHB_WIDGET(ud->builder, "show_queue");
2123         set_visible(widget, !hbfd);
2124         widget = GHB_WIDGET(ud->builder, "show_activity");
2125         set_visible(widget, !hbfd);
2126
2127         widget = GHB_WIDGET(ud->builder, "chapter_box");
2128         set_visible(widget, !hbfd);
2129         widget = GHB_WIDGET(ud->builder, "container_box");
2130         set_visible(widget, !hbfd);
2131         widget = GHB_WIDGET(ud->builder, "settings_box");
2132         set_visible(widget, !hbfd);
2133         widget = GHB_WIDGET(ud->builder, "presets_save");
2134         set_visible(widget, !hbfd);
2135         widget = GHB_WIDGET(ud->builder, "presets_remove");
2136         set_visible(widget, !hbfd);
2137         widget = GHB_WIDGET(ud->builder, "presets_default");
2138         set_visible(widget, !hbfd);
2139         widget = GHB_WIDGET (ud->builder, "hb_window");
2140         gtk_window_resize(GTK_WINDOW(widget), 16, 16);
2141
2142 }
2143
2144 void
2145 hbfd_toggled_cb(GtkWidget *widget, signal_user_data_t *ud)
2146 {
2147         g_debug("hbfd_toggled_cb");
2148         ghb_widget_to_setting (ud->settings, widget);
2149         gboolean hbfd = ghb_settings_get_boolean(ud->settings, "hbfd");
2150         ghb_hbfd(ud, hbfd);
2151         ghb_pref_save(ud->settings, "hbfd");
2152 }
2153
2154 void
2155 pref_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
2156 {
2157         g_debug("pref_changed_cb");
2158         ghb_widget_to_setting (ud->settings, widget);
2159         ghb_check_dependency(ud, widget);
2160         const gchar *name = gtk_widget_get_name(widget);
2161         ghb_pref_save(ud->settings, name);
2162 }
2163
2164 void
2165 tweaks_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
2166 {
2167         g_debug("tweaks_changed_cb");
2168         ghb_widget_to_setting (ud->settings, widget);
2169         const gchar *name = gtk_widget_get_name(widget);
2170         ghb_pref_save(ud->settings, name);
2171
2172         gboolean tweaks = ghb_settings_get_boolean(ud->settings, "allow_tweaks");
2173         widget = GHB_WIDGET(ud->builder, "deinterlace");
2174         tweaks ? gtk_widget_hide(widget) : gtk_widget_show(widget);
2175         widget = GHB_WIDGET(ud->builder, "tweak_deinterlace");
2176         !tweaks ? gtk_widget_hide(widget) : gtk_widget_show(widget);
2177
2178         widget = GHB_WIDGET(ud->builder, "denoise");
2179         tweaks ? gtk_widget_hide(widget) : gtk_widget_show(widget);
2180         widget = GHB_WIDGET(ud->builder, "tweak_denoise");
2181         !tweaks ? gtk_widget_hide(widget) : gtk_widget_show(widget);
2182         if (tweaks)
2183         {
2184                 const GValue *value;
2185                 value = ghb_settings_get_value(ud->settings, "deinterlace");
2186                 ghb_ui_update(ud, "tweak_deinterlace", value);
2187                 value = ghb_settings_get_value(ud->settings, "denoise");
2188                 ghb_ui_update(ud, "tweak_denoise", value);
2189         }
2190         else
2191         {
2192                 const GValue *value;
2193                 value = ghb_settings_get_value(ud->settings, "tweak_deinterlace");
2194                 ghb_ui_update(ud, "deinterlace", value);
2195                 value = ghb_settings_get_value(ud->settings, "tweak_denoise");
2196                 ghb_ui_update(ud, "denoise", value);
2197         }
2198 }
2199
2200 void
2201 hbfd_feature_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
2202 {
2203         g_debug("hbfd_feature_changed_cb");
2204         ghb_widget_to_setting (ud->settings, widget);
2205         const gchar *name = gtk_widget_get_name(widget);
2206         ghb_pref_save(ud->settings, name);
2207
2208         gboolean hbfd = ghb_settings_get_boolean(ud->settings, "hbfd_feature");
2209         GtkAction *action;
2210         if (hbfd)
2211         {
2212                 const GValue *val;
2213                 val = ghb_settings_get_value(ud->settings, "hbfd");
2214                 ghb_ui_update(ud, "hbfd", val);
2215         }
2216         action = GHB_ACTION (ud->builder, "hbfd");
2217         gtk_action_set_visible(action, hbfd);
2218 }
2219
2220 void
2221 ghb_file_menu_add_dvd(signal_user_data_t *ud)
2222 {
2223         GList *link, *drives;
2224
2225         GtkActionGroup *agroup = GTK_ACTION_GROUP(
2226                 gtk_builder_get_object(ud->builder, "actiongroup1"));
2227         GtkUIManager *ui = GTK_UI_MANAGER(
2228                 gtk_builder_get_object(ud->builder, "uimanager1"));
2229         guint merge_id = gtk_ui_manager_new_merge_id(ui);
2230
2231         link = drives = dvd_device_list();
2232         while (link != NULL)
2233         {
2234                 gchar *name = (gchar*)link->data;
2235                 // Create action for this drive
2236                 GtkAction *action = gtk_action_new(name, name,
2237                         "Scan this DVD source", "gtk-cdrom");
2238                 // Add action to action group
2239                 gtk_action_group_add_action_with_accel(agroup, action, "");
2240                 // Add to ui manager
2241                 gtk_ui_manager_add_ui(ui, merge_id,
2242                         "ui/menubar1/menuitem1/quit1", name, name,
2243                         GTK_UI_MANAGER_AUTO, TRUE);
2244                 // Connect signal to action (menu item)
2245                 g_signal_connect(action, "activate",
2246                         (GCallback)dvd_source_activate_cb, ud);
2247                 g_free(name);
2248                 link = link->next;
2249         }
2250         g_list_free(drives);
2251
2252         // Add separator
2253         gtk_ui_manager_add_ui(ui, merge_id,
2254                 "ui/menubar1/menuitem1/quit1", "", NULL,
2255                 GTK_UI_MANAGER_AUTO, TRUE);
2256 }
2257
2258 gboolean ghb_is_cd(GDrive *gd);
2259
2260 static GList*
2261 dvd_device_list()
2262 {
2263         GVolumeMonitor *gvm;
2264         GList *drives, *link;
2265         GList *dvd_devices = NULL;
2266
2267         gvm = g_volume_monitor_get ();
2268         drives = g_volume_monitor_get_connected_drives (gvm);
2269         link = drives;
2270         while (link != NULL)
2271         {
2272                 GDrive *gd;
2273
2274                 gd = (GDrive*)link->data;
2275                 if (ghb_is_cd(gd))
2276                 {
2277                         gchar *device;
2278                         device = g_drive_get_identifier(gd, G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
2279                         dvd_devices = g_list_append(dvd_devices, (gpointer)device);
2280                 }
2281                 g_object_unref (gd);
2282                 link = link->next;
2283         }
2284         g_list_free(drives);
2285         return dvd_devices;
2286 }
2287
2288
2289 static DBusConnection *dbus_connection = NULL;
2290 static LibHalContext *hal_ctx;
2291
2292 gboolean
2293 ghb_is_cd(GDrive *gd)
2294 {
2295         gchar *device;
2296         LibHalDrive *halDrive;
2297         LibHalDriveType dtype;
2298
2299         device = g_drive_get_identifier(gd, G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
2300         halDrive = libhal_drive_from_device_file (hal_ctx, device);
2301         dtype = libhal_drive_get_type(halDrive);
2302         libhal_drive_free(halDrive);
2303         g_free(device);
2304         return (dtype == LIBHAL_DRIVE_TYPE_CDROM);
2305 }
2306
2307 void
2308 drive_changed_cb(GVolumeMonitor *gvm, GDrive *gd, signal_user_data_t *ud)
2309 {
2310         gchar *device;
2311         gint state = ghb_get_state();
2312         static gboolean first_time = TRUE;
2313
2314         if (ud->current_dvd_device == NULL) return;
2315         // A drive change event happens when the program initially starts
2316         // and I don't want to automatically scan at that time.
2317         if (first_time)
2318         {
2319                 first_time = FALSE;
2320                 return;
2321         }
2322         if (state != GHB_STATE_IDLE) return;
2323         device = g_drive_get_identifier(gd, G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
2324
2325         // DVD insertion detected.  Scan it.
2326         if (strcmp(device, ud->current_dvd_device) == 0)
2327         {
2328                 if (g_drive_has_media (gd))
2329                 {
2330                         GtkProgressBar *progress;
2331                         progress = GTK_PROGRESS_BAR(GHB_WIDGET (ud->builder, "progressbar"));
2332                         gtk_progress_bar_set_text (progress, "Scanning ...");
2333                         gtk_progress_bar_set_fraction (progress, 0);
2334                         update_source_label(ud, device);
2335                         ghb_hb_cleanup(TRUE);
2336                         ghb_backend_scan(device, 0);
2337                 }
2338                 else
2339                 {
2340                         ghb_hb_cleanup(TRUE);
2341                         ghb_backend_scan("/dev/null", 0);
2342                 }
2343         }
2344         g_free(device);
2345 }
2346
2347
2348 static gboolean
2349 dbus_init (void)
2350 {
2351         DBusError error;
2352
2353         if (dbus_connection != NULL)
2354                 return TRUE;
2355
2356         dbus_error_init (&error);
2357         if (!(dbus_connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error))) {
2358                 g_debug ("could not get system bus: %s", error.message);
2359                 dbus_error_free (&error);
2360                 return FALSE;
2361         }
2362
2363         //dbus_connection_setup_with_g_main (dbus_connection, NULL);
2364         //dbus_connection_set_exit_on_disconnect (dbus_connection, FALSE);
2365         //dbus_connection_add_filter (dbus_connection, gvm_dbus_filter_function, NULL, NULL);
2366
2367         return TRUE;
2368 }
2369
2370 void
2371 ghb_hal_init()
2372 {
2373         DBusError error;
2374         char **devices;
2375         int nr;
2376
2377         if (!dbus_init ())
2378                 return;
2379
2380         if (!(hal_ctx = libhal_ctx_new ())) {
2381                 g_warning ("failed to create a HAL context!");
2382                 return;
2383         }
2384
2385         libhal_ctx_set_dbus_connection (hal_ctx, dbus_connection);
2386         dbus_error_init (&error);
2387         if (!libhal_ctx_init (hal_ctx, &error)) {
2388                 g_warning ("libhal_ctx_init failed: %s", error.message ? error.message : "unknown");
2389                 dbus_error_free (&error);
2390                 libhal_ctx_free (hal_ctx);
2391                 return;
2392         }
2393
2394         /*
2395          * Do something to ping the HAL daemon - the above functions will
2396          * succeed even if hald is not running, so long as DBUS is.  But we
2397          * want to exit silently if hald is not running, to behave on
2398          * pre-2.6 systems.
2399          */
2400         if (!(devices = libhal_get_all_devices (hal_ctx, &nr, &error))) {
2401                 g_warning ("seems that HAL is not running: %s", error.message ? error.message : "unknown");
2402                 dbus_error_free (&error);
2403
2404                 libhal_ctx_shutdown (hal_ctx, NULL);
2405                 libhal_ctx_free (hal_ctx);
2406                 return;
2407         }
2408
2409         libhal_free_string_array (devices);
2410
2411         //gvm_hal_claim_branch ("/org/freedesktop/Hal/devices/local");
2412 }
2413
2414 gboolean
2415 tweak_setting_cb(
2416         GtkWidget *widget,
2417         GdkEventButton *event,
2418         signal_user_data_t *ud)
2419 {
2420         const gchar *name;
2421         gchar *tweak_name;
2422         gboolean ret = FALSE;
2423         gboolean allow_tweaks;
2424
2425         g_debug("press %d %d", event->type, event->button);
2426         allow_tweaks = ghb_settings_get_boolean(ud->settings, "allow_tweaks");
2427         if (allow_tweaks && event->type == GDK_BUTTON_PRESS && event->button == 3)
2428         { // Its a right mouse click
2429                 GtkWidget *dialog;
2430                 GtkEntry *entry;
2431                 GtkResponseType response;
2432                 gchar *tweak = NULL;
2433
2434                 name = gtk_widget_get_name(widget);
2435                 if (g_str_has_prefix(name, "tweak_"))
2436                 {
2437                         tweak_name = g_strdup(name);
2438                 }
2439                 else
2440                 {
2441                         tweak_name = g_strdup_printf("tweak_%s", name);
2442                 }
2443
2444                 tweak = ghb_settings_get_string (ud->settings, tweak_name);
2445                 dialog = GHB_WIDGET(ud->builder, "tweak_dialog");
2446                 gtk_window_set_title(GTK_WINDOW(dialog), tweak_name);
2447                 entry = GTK_ENTRY(GHB_WIDGET(ud->builder, "tweak_setting"));
2448                 if (tweak)
2449                 {
2450                         gtk_entry_set_text(entry, tweak);
2451                         g_free(tweak);
2452                 }
2453                 response = gtk_dialog_run(GTK_DIALOG(dialog));
2454                 gtk_widget_hide(dialog);
2455                 if (response == GTK_RESPONSE_OK)
2456                 {
2457                         tweak = (gchar*)gtk_entry_get_text(entry);
2458                         if (ghb_validate_filter_string(tweak, -1))
2459                                 ghb_settings_set_string(ud->settings, tweak_name, tweak);
2460                         else
2461                         {
2462                                 gchar *message;
2463                                 message = g_strdup_printf(
2464                                                         "Invalid Settings:\n%s",
2465                                                         tweak);
2466                                 ghb_message_dialog(GTK_MESSAGE_ERROR, message, "Cancel", NULL);
2467                                 g_free(message);
2468                         }
2469                 }
2470                 g_free(tweak_name);
2471                 ret = TRUE;
2472         }
2473         return ret;
2474 }
2475
2476 gboolean
2477 easter_egg_cb(
2478         GtkWidget *widget,
2479         GdkEventButton *event,
2480         signal_user_data_t *ud)
2481 {
2482         g_debug("press %d %d", event->type, event->button);
2483         if (event->type == GDK_3BUTTON_PRESS && event->button == 1)
2484         { // Its a tripple left mouse button click
2485                 GtkWidget *widget;
2486                 widget = GHB_WIDGET(ud->builder, "allow_tweaks");
2487                 gtk_widget_show(widget);
2488                 widget = GHB_WIDGET(ud->builder, "hbfd_feature");
2489                 gtk_widget_show(widget);
2490         }
2491         else if (event->type == GDK_BUTTON_PRESS && event->button == 1)
2492         {
2493                 GtkWidget *widget;
2494                 widget = GHB_WIDGET(ud->builder, "allow_tweaks");
2495                 gtk_widget_hide(widget);
2496                 widget = GHB_WIDGET(ud->builder, "hbfd_feature");
2497                 gtk_widget_hide(widget);
2498         }
2499         return FALSE;
2500 }
2501
2502 gchar*
2503 format_deblock_cb(GtkScale *scale, gdouble val, signal_user_data_t *ud)
2504 {
2505         if (val < 5.0)
2506         {
2507                 return g_strdup_printf("Off");
2508         }
2509         else
2510         {
2511                 return g_strdup_printf("%d", (gint)val);
2512         }
2513 }