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 <netinet/in.h>
  23 #include <netdb.h>
  24 #include <libhal-storage.h>
  25 #include <gtk/gtk.h>
  26 #include <gtkhtml/gtkhtml.h>
  27 #include <gdk/gdkkeysyms.h>
  28 #include <glib/gstdio.h>
  29 #include <dbus/dbus-glib.h>
  30 #include <dbus/dbus-glib-lowlevel.h>
  31 #include <gio/gio.h>
  32
  33 #include "hb.h"
  34 #include "callbacks.h"
  35 #include "queuehandler.h"
  36 #include "audiohandler.h"
  37 #include "resources.h"
  38 #include "settings.h"
  39 #include "presets.h"
  40 #include "preview.h"
  41 #include "values.h"
  42 #include "plist.h"
  43 #include "appcast.h"
  44 #include "hb-backend.h"
  45 #include "ghb-dvd.h"
  46 #include "ghbcellrenderertext.h"
  47
  48 static void update_chapter_list(signal_user_data_t *ud);
  49 static GList* dvd_device_list();
  50 static void prune_logs(signal_user_data_t *ud);
  51
  52 // This is a dependency map used for greying widgets
  53 // that are dependent on the state of another widget.
  54 // The enable_value comes from the values that are
  55 // obtained from ghb_widget_value().  For combo boxes
  56 // you will have to look further to combo box options
  57 // maps in hb-backend.c
  58
  59 GValue *dep_map;
  60 GValue *rev_map;
  61
  62 void
  63 ghb_init_dep_map()
  64 {
  65         dep_map = ghb_resource_get("widget-deps");
  66         rev_map = ghb_resource_get("widget-reverse-deps");
  67 }
  68
  69 static gboolean
  70 dep_check(signal_user_data_t *ud, const gchar *name, gboolean *out_hide)
  71 {
  72         GtkWidget *widget;
  73         GObject *dep_object;
  74         gint ii;
  75         gint count;
  76         gboolean result = TRUE;
  77         GValue *array, *data;
  78         gchar *widget_name;
  79
  80         g_debug("dep_check () %s", name);
  81
  82         array = ghb_dict_lookup(rev_map, name);
  83         count = ghb_array_len(array);
  84         *out_hide = FALSE;
  85         for (ii = 0; ii < count; ii++)
  86         {
  87                 data = ghb_array_get_nth(array, ii);
  88                 widget_name = ghb_value_string(ghb_array_get_nth(data, 0));
  89                 widget = GHB_WIDGET(ud->builder, widget_name);
  90                 dep_object = gtk_builder_get_object(ud->builder, name);
  91                 g_free(widget_name);
  92                 if (!GTK_WIDGET_SENSITIVE(widget))
  93                         continue;
  94                 if (dep_object == NULL)
  95                 {
  96                         g_message("Failed to find widget");
  97                 }
  98                 else
  99                 {
 100                         gchar *value;
 101                         gint jj = 0;
 102                         gchar **values;
 103                         gboolean sensitive = FALSE;
 104                         gboolean die, hide;
 105
 106                         die = ghb_value_boolean(ghb_array_get_nth(data, 2));
 107                         hide = ghb_value_boolean(ghb_array_get_nth(data, 3));
 108                         value = ghb_value_string(ghb_array_get_nth(data, 1));
 109                         values = g_strsplit(value, "|", 10);
 110                         g_free(value);
 111
 112                         if (widget)
 113                                 value = ghb_widget_string(widget);
 114                         else
 115                                 value = ghb_settings_get_string(ud->settings, name);
 116                         while (values && values[jj])
 117                         {
 118                                 if (values[jj][0] == '>')
 119                                 {
 120                                         gdouble dbl = g_strtod (&values[jj][1], NULL);
 121                                         gdouble dvalue = ghb_widget_double(widget);
 122                                         if (dvalue > dbl)
 123                                         {
 124                                                 sensitive = TRUE;
 125                                                 break;
 126                                         }
 127                                 }
 128                                 else if (values[jj][0] == '<')
 129                                 {
 130                                         gdouble dbl = g_strtod (&values[jj][1], NULL);
 131                                         gdouble dvalue = ghb_widget_double(widget);
 132                                         if (dvalue < dbl)
 133                                         {
 134                                                 sensitive = TRUE;
 135                                                 break;
 136                                         }
 137                                 }
 138                                 if (strcmp(values[jj], value) == 0)
 139                                 {
 140                                         sensitive = TRUE;
 141                                         break;
 142                                 }
 143                                 jj++;
 144                         }
 145                         sensitive = die ^ sensitive;
 146                         if (!sensitive)
 147                         {
 148                                 result = FALSE;
 149                                 *out_hide |= hide;
 150                         }
 151                         g_strfreev (values);
 152                         g_free(value);
 153                 }
 154         }
 155         return result;
 156 }
 157
 158 void
 159 ghb_check_dependency(signal_user_data_t *ud, GtkWidget *widget)
 160 {
 161         GObject *dep_object;
 162         const gchar *name;
 163         GValue *array, *data;
 164         gint count, ii;
 165         gchar *dep_name;
 166         GType type;
 167
 168         type = GTK_WIDGET_TYPE(widget);
 169         if (type == GTK_TYPE_COMBO_BOX || type == GTK_TYPE_COMBO_BOX_ENTRY)
 170                 if (gtk_combo_box_get_active(GTK_COMBO_BOX(widget)) < 0) return;
 171
 172         name = gtk_widget_get_name(widget);
 173         g_debug("ghb_check_dependency () %s", name);
 174
 175         array = ghb_dict_lookup(dep_map, name);
 176         count = ghb_array_len(array);
 177         for (ii = 0; ii < count; ii++)
 178         {
 179                 gboolean sensitive;
 180                 gboolean hide;
 181
 182                 data = ghb_array_get_nth(array, ii);
 183                 dep_name = ghb_value_string(data);
 184                 dep_object = gtk_builder_get_object(ud->builder, dep_name);
 185                 if (dep_object == NULL)
 186                 {
 187                         g_message("Failed to find dependent widget %s", dep_name);
 188                         g_free(dep_name);
 189                         continue;
 190                 }
 191                 sensitive = dep_check(ud, dep_name, &hide);
 192                 g_free(dep_name);
 193                 if (GTK_IS_ACTION(dep_object))
 194                 {
 195                         gtk_action_set_sensitive(GTK_ACTION(dep_object), sensitive);
 196                         gtk_action_set_visible(GTK_ACTION(dep_object), sensitive || !hide);
 197                 }
 198                 else
 199                 {
 200                         gtk_widget_set_sensitive(GTK_WIDGET(dep_object), sensitive);
 201                         if (!sensitive && hide)
 202                         {
 203                                 gtk_widget_hide(GTK_WIDGET(dep_object));
 204                         }
 205                         else
 206                         {
 207                                 gtk_widget_show_now(GTK_WIDGET(dep_object));
 208                         }
 209                 }
 210         }
 211 }
 212
 213 void
 214 ghb_check_all_depencencies(signal_user_data_t *ud)
 215 {
 216         GHashTableIter iter;
 217         gchar *dep_name;
 218         GValue *value;
 219         GObject *dep_object;
 220
 221         g_debug("ghb_check_all_depencencies ()");
 222         ghb_dict_iter_init(&iter, rev_map);
 223         // middle (void*) cast prevents gcc warning "defreferencing type-punned
 224         // pointer will break strict-aliasing rules"
 225         while (g_hash_table_iter_next(
 226                         &iter, (gpointer*)(void*)&dep_name, (gpointer*)(void*)&value))
 227         {
 228                 gboolean sensitive;
 229                 gboolean hide;
 230
 231                 dep_object = gtk_builder_get_object (ud->builder, dep_name);
 232                 if (dep_object == NULL)
 233                 {
 234                         g_message("Failed to find dependent widget %s", dep_name);
 235                         continue;
 236                 }
 237                 sensitive = dep_check(ud, dep_name, &hide);
 238                 if (GTK_IS_ACTION(dep_object))
 239                 {
 240                         gtk_action_set_sensitive(GTK_ACTION(dep_object), sensitive);
 241                         gtk_action_set_visible(GTK_ACTION(dep_object), sensitive || !hide);
 242                 }
 243                 else
 244                 {
 245                         gtk_widget_set_sensitive(GTK_WIDGET(dep_object), sensitive);
 246                         if (!sensitive && hide)
 247                         {
 248                                 gtk_widget_hide(GTK_WIDGET(dep_object));
 249                         }
 250                         else
 251                         {
 252                                 gtk_widget_show_now(GTK_WIDGET(dep_object));
 253                         }
 254                 }
 255         }
 256 }
 257
 258 void
 259 on_quit1_activate(GtkMenuItem *quit, signal_user_data_t *ud)
 260 {
 261         gint state = ghb_get_queue_state();
 262         g_debug("on_quit1_activate ()");
 263         if (state & GHB_STATE_WORKING)
 264         {
 265                 if (ghb_cancel_encode("Closing HandBrake will terminate encoding.\n"))
 266                 {
 267                         ghb_hb_cleanup(FALSE);
 268                         prune_logs(ud);
 269                         gtk_main_quit();
 270                         return;
 271                 }
 272                 return;
 273         }
 274         ghb_hb_cleanup(FALSE);
 275         prune_logs(ud);
 276         gtk_main_quit();
 277 }
 278
 279 static void
 280 set_destination(signal_user_data_t *ud)
 281 {
 282         g_debug("set_destination");
 283         if (ghb_settings_get_boolean(ud->settings, "use_source_name"))
 284         {
 285                 GString *str = g_string_new("");
 286                 gchar *vol_name, *filename, *extension;
 287                 gchar *new_name;
 288                 gint title;
 289
 290                 filename = ghb_settings_get_string(ud->settings, "dest_file");
 291                 extension = ghb_settings_get_string(ud->settings, "FileFormat");
 292                 vol_name = ghb_settings_get_string(ud->settings, "volume_label");
 293                 g_string_append_printf(str, "%s", vol_name);
 294                 title = ghb_settings_combo_int(ud->settings, "title");
 295                 if (title >= 0)
 296                 {
 297                         if (ghb_settings_get_boolean(
 298                                         ud->settings, "title_no_in_destination"))
 299                         {
 300
 301                                 title = ghb_settings_combo_int(ud->settings, "title");
 302                                 g_string_append_printf(str, " - %d", title+1);
 303                         }
 304                         if (ghb_settings_get_boolean(
 305                                         ud->settings, "chapters_in_destination"))
 306                         {
 307                                 gint start, end;
 308
 309                                 if (!ghb_settings_get_boolean(
 310                                                 ud->settings, "title_no_in_destination"))
 311                                 {
 312                                         g_string_append_printf(str, " -");
 313                                 }
 314                                 start = ghb_settings_get_int(ud->settings, "start_chapter");
 315                                 end = ghb_settings_get_int(ud->settings, "end_chapter");
 316                                 if (start == end)
 317                                         g_string_append_printf(str, " Ch %d", start);
 318                                 else
 319                                         g_string_append_printf(str, " Ch %d-%d", start, end);
 320                         }
 321                 }
 322                 g_string_append_printf(str, ".%s", extension);
 323                 new_name = g_string_free(str, FALSE);
 324                 ghb_ui_update(ud, "dest_file", ghb_string_value(new_name));
 325                 g_free(filename);
 326                 g_free(extension);
 327                 g_free(vol_name);
 328                 g_free(new_name);
 329         }
 330 }
 331
 332 gboolean
 333 uppers_and_unders(const gchar *str)
 334 {
 335         if (str == NULL) return FALSE;
 336         while (*str)
 337         {
 338                 if (*str == ' ')
 339                 {
 340                         return FALSE;
 341                 }
 342                 if (*str >= 'a' && *str <= 'z')
 343                 {
 344                         return FALSE;
 345                 }
 346                 str++;
 347         }
 348         return TRUE;
 349 }
 350
 351 enum
 352 {
 353         CAMEL_FIRST_UPPER,
 354         CAMEL_OTHER
 355 };
 356
 357 void
 358 camel_convert(gchar *str)
 359 {
 360         gint state = CAMEL_OTHER;
 361
 362         if (str == NULL) return;
 363         while (*str)
 364         {
 365                 if (*str == '_') *str = ' ';
 366                 switch (state)
 367                 {
 368                         case CAMEL_OTHER:
 369                         {
 370                                 if (*str >= 'A' && *str <= 'Z')
 371                                         state = CAMEL_FIRST_UPPER;
 372                                 else
 373                                         state = CAMEL_OTHER;
 374
 375                         } break;
 376                         case CAMEL_FIRST_UPPER:
 377                         {
 378                                 if (*str >= 'A' && *str <= 'Z')
 379                                         *str = *str - 'A' + 'a';
 380                                 else
 381                                         state = CAMEL_OTHER;
 382                         } break;
 383                 }
 384                 str++;
 385         }
 386 }
 387
 388 static gchar*
 389 get_file_label(const gchar *filename)
 390 {
 391         static gchar *containers[] =
 392                 {".vob", ".mpg", ".m2ts", ".mkv", ".mp4", ".m4v", ".avi", ".ogm", NULL};
 393         gchar *base;
 394         gint ii;
 395
 396         base = g_path_get_basename(filename);
 397         for (ii = 0; containers[ii] != NULL; ii++)
 398         {
 399                 if (g_str_has_suffix(base, containers[ii]))
 400                 {
 401                         gchar *pos;
 402                         pos = strrchr(base, '.');
 403                         *pos = 0;
 404                         break;
 405                 }
 406         }
 407         return base;
 408 }
 409
 410 static gboolean
 411 update_source_label(signal_user_data_t *ud, const gchar *source)
 412 {
 413         gchar *label = NULL;
 414         gint len;
 415         gchar **path;
 416         gchar *filename = g_strdup(source);
 417
 418         len = strlen(filename);
 419         if (filename[len-1] == '/') filename[len-1] = 0;
 420         if (g_file_test(filename, G_FILE_TEST_IS_DIR))
 421         {
 422                 path = g_strsplit(filename, "/", -1);
 423                 len = g_strv_length (path);
 424                 if ((len > 1) && (strcmp("VIDEO_TS", path[len-1]) == 0))
 425                 {
 426                         label = g_strdup(path[len-2]);
 427                 }
 428                 else
 429                 {
 430                         label = g_strdup(path[len-1]);
 431                 }
 432                 g_strfreev (path);
 433         }
 434         else
 435         {
 436                 // Is regular file or block dev.
 437                 // Check to see if it is a dvd image
 438                 label = ghb_dvd_volname (filename);
 439                 if (label == NULL)
 440                 {
 441                         label = get_file_label(filename);
 442                 }
 443                 else
 444                 {
 445                         if (uppers_and_unders(label))
 446                         {
 447                                 camel_convert(label);
 448                         }
 449                 }
 450         }
 451         g_free(filename);
 452         GtkWidget *widget = GHB_WIDGET (ud->builder, "source_title");
 453         if (label != NULL)
 454         {
 455                 gtk_label_set_text (GTK_LABEL(widget), label);
 456                 ghb_settings_set_string(ud->settings, "volume_label", label);
 457                 g_free(label);
 458                 set_destination(ud);
 459         }
 460         else
 461         {
 462                 label = "No Title Found";
 463                 gtk_label_set_text (GTK_LABEL(widget), label);
 464                 ghb_settings_set_string(ud->settings, "volume_label", label);
 465                 return FALSE;
 466         }
 467         return TRUE;
 468 }
 469
 470 void
 471 chooser_file_selected_cb(GtkFileChooser *dialog, signal_user_data_t *ud)
 472 {
 473         const gchar *name = gtk_file_chooser_get_filename (dialog);
 474         GtkTreeModel *store;
 475         GtkTreeIter iter;
 476         const gchar *device;
 477         gboolean foundit = FALSE;
 478         GtkComboBox *combo;
 479
 480         if (name == NULL) return;
 481         combo = GTK_COMBO_BOX(GHB_WIDGET(ud->builder, "source_device"));
 482         store = gtk_combo_box_get_model(combo);
 483         if (gtk_tree_model_get_iter_first(store, &iter))
 484         {
 485                 do
 486                 {
 487                         gtk_tree_model_get(store, &iter, 0, &device, -1);
 488                         if (strcmp(name, device) == 0)
 489                         {
 490                                 foundit = TRUE;
 491                                 break;
 492                         }
 493                 } while (gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter));
 494         }
 495         if (foundit)
 496                 gtk_combo_box_set_active_iter (combo, &iter);
 497         else
 498                 gtk_combo_box_set_active (combo, 0);
 499 }
 500
 501 void
 502 dvd_device_changed_cb(GtkComboBox *combo, signal_user_data_t *ud)
 503 {
 504         GtkWidget *dialog;
 505         gint ii;
 506
 507         ii = gtk_combo_box_get_active (combo);
 508         if (ii > 0)
 509         {
 510                 const gchar *device, *name;
 511
 512                 dialog = GHB_WIDGET(ud->builder, "source_dialog");
 513                 device = gtk_combo_box_get_active_text (combo);
 514                 name = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER(dialog));
 515                 if (name == NULL || strcmp(name, device) != 0)
 516                         gtk_file_chooser_select_filename (GTK_FILE_CHOOSER(dialog), device);
 517         }
 518 }
 519
 520 void
 521 source_type_changed_cb(GtkToggleButton *toggle, signal_user_data_t *ud)
 522 {
 523         gchar *folder;
 524         GtkFileChooser *chooser;
 525         GtkWidget *dvd_device_combo;
 526
 527         g_debug("source_type_changed_cb ()");
 528         chooser = GTK_FILE_CHOOSER(GHB_WIDGET(ud->builder, "source_dialog"));
 529         dvd_device_combo = GHB_WIDGET(ud->builder, "source_device");
 530         folder = gtk_file_chooser_get_current_folder (chooser);
 531         if (gtk_toggle_button_get_active (toggle))
 532         {
 533                 gtk_file_chooser_set_action (chooser,
 534                                                                         GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
 535                 gtk_widget_set_sensitive (dvd_device_combo, FALSE);
 536                 gtk_combo_box_set_active (GTK_COMBO_BOX(dvd_device_combo), 0);
 537         }
 538         else
 539         {
 540                 gtk_file_chooser_set_action (chooser, GTK_FILE_CHOOSER_ACTION_OPEN);
 541                 gtk_widget_set_sensitive (dvd_device_combo, TRUE);
 542         }
 543         if (folder != NULL)
 544         {
 545                 gtk_file_chooser_set_current_folder(chooser, folder);
 546                 g_free(folder);
 547         }
 548 }
 549
 550 static void
 551 source_dialog_extra_widgets(
 552         signal_user_data_t *ud,
 553         GtkWidget *dialog,
 554         gboolean checkbutton_active)
 555 {
 556         GtkToggleButton *checkbutton;
 557         GtkComboBox *combo;
 558         GList *drives, *link;
 559
 560         checkbutton = GTK_TOGGLE_BUTTON(
 561                 GHB_WIDGET(ud->builder, "source_folder_flag"));
 562         gtk_toggle_button_set_active(checkbutton, checkbutton_active);
 563         combo = GTK_COMBO_BOX(GHB_WIDGET(ud->builder, "source_device"));
 564         gtk_list_store_clear(GTK_LIST_STORE(
 565                                                 gtk_combo_box_get_model(combo)));
 566
 567         link = drives = dvd_device_list();
 568         gtk_combo_box_append_text (combo, "Not Selected");
 569         while (link != NULL)
 570         {
 571                 gchar *name = (gchar*)link->data;
 572                 gtk_combo_box_append_text(combo, name);
 573                 g_free(name);
 574                 link = link->next;
 575         }
 576         g_list_free(drives);
 577 }
 578
 579 extern GValue *ghb_queue_edit_settings;
 580 static gchar *last_scan_file = NULL;
 581
 582 void
 583 ghb_do_scan(
 584         signal_user_data_t *ud,
 585         const gchar *filename,
 586         gint titlenum,
 587         gboolean force)
 588 {
 589         if (!force && last_scan_file != NULL &&
 590                 strcmp(last_scan_file, filename) == 0)
 591         {
 592                 if (ghb_queue_edit_settings)
 593                 {
 594                         gint jstatus;
 595
 596                         jstatus = ghb_settings_get_int(ghb_queue_edit_settings, "job_status");
 597                         ghb_settings_to_ui(ud, ghb_queue_edit_settings);
 598                         ghb_set_audio(ud, ghb_queue_edit_settings);
 599                         if (jstatus == GHB_QUEUE_PENDING)
 600                         {
 601                                 ghb_value_free(ghb_queue_edit_settings);
 602                         }
 603                         ghb_queue_edit_settings = NULL;
 604                 }
 605                 return;
 606         }
 607         if (last_scan_file != NULL)
 608                 g_free(last_scan_file);
 609         last_scan_file = NULL;
 610         if (filename != NULL)
 611         {
 612                 last_scan_file = g_strdup(filename);
 613                 ghb_settings_set_string(ud->settings, "source", filename);
 614                 if (update_source_label(ud, filename))
 615                 {
 616                         GtkProgressBar *progress;
 617                         progress = GTK_PROGRESS_BAR(GHB_WIDGET(ud->builder, "progressbar"));
 618                         gchar *path;
 619                         path = ghb_settings_get_string( ud->settings, "source");
 620                         gtk_progress_bar_set_fraction (progress, 0);
 621                         gtk_progress_bar_set_text (progress, "Scanning ...");
 622                         prune_logs(ud);
 623                         gint preview_count;
 624                         preview_count = ghb_settings_get_int(ud->settings, "preview_count");
 625                         ghb_backend_scan(path, titlenum, preview_count);
 626                         g_free(path);
 627                 }
 628                 else
 629                 {
 630                         // TODO: error dialog
 631                 }
 632         }
 633 }
 634
 635 static gboolean
 636 update_source_name(gpointer data)
 637 {
 638         signal_user_data_t *ud = (signal_user_data_t*)data;
 639         GtkWidget *dialog;
 640         gchar *sourcename;
 641
 642         sourcename = ghb_settings_get_string(ud->settings, "source");
 643         dialog = GHB_WIDGET(ud->builder, "source_dialog");
 644         gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), sourcename);
 645         g_free(sourcename);
 646         return FALSE;
 647 }
 648
 649 static void
 650 do_source_dialog(GtkButton *button, gboolean single, signal_user_data_t *ud)
 651 {
 652         GtkWidget *dialog;
 653         gchar *sourcename;
 654         gint    response;
 655         GtkFileChooserAction action;
 656         gboolean checkbutton_active;
 657
 658         g_debug("source_browse_clicked_cb ()");
 659         sourcename = ghb_settings_get_string(ud->settings, "source");
 660         checkbutton_active = FALSE;
 661         if (g_file_test(sourcename, G_FILE_TEST_IS_DIR))
 662         {
 663                 action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER;
 664                 checkbutton_active = TRUE;
 665         }
 666         else
 667         {
 668                 action = GTK_FILE_CHOOSER_ACTION_OPEN;
 669         }
 670         GtkWidget *widget;
 671         widget = GHB_WIDGET(ud->builder, "single_title_box");
 672         if (single)
 673                 gtk_widget_show(widget);
 674         else
 675                 gtk_widget_hide(widget);
 676         dialog = GHB_WIDGET(ud->builder, "source_dialog");
 677         source_dialog_extra_widgets(ud, dialog, checkbutton_active);
 678         gtk_file_chooser_set_action(GTK_FILE_CHOOSER(dialog), action);
 679         // Updating the filename in the file chooser dialog doesn't seem
 680         // to work unless the dialog is running for some reason.
 681         // So handle it in an "idle" event.
 682         //gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), sourcename);
 683         g_idle_add((GSourceFunc)update_source_name, ud);
 684         response = gtk_dialog_run(GTK_DIALOG (dialog));
 685         gtk_widget_hide(dialog);
 686         if (response == GTK_RESPONSE_ACCEPT)
 687         {
 688                 char *filename;
 689
 690                 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
 691                 if (filename != NULL)
 692                 {
 693                         gint titlenum;
 694
 695                         if (single)
 696                                 titlenum = ghb_settings_get_int(ud->settings, "single_title");
 697                         else
 698                                 titlenum = 0;
 699                         ghb_do_scan(ud, filename, titlenum, TRUE);
 700                         if (strcmp(sourcename, filename) != 0)
 701                         {
 702                                 ghb_settings_set_string (ud->settings,
 703                                                                                 "default_source", filename);
 704                                 ghb_pref_save (ud->settings, "default_source");
 705                                 ghb_dvd_set_current (filename, ud);
 706                         }
 707                         g_free(filename);
 708                 }
 709         }
 710         g_free(sourcename);
 711 }
 712
 713 void
 714 source_button_clicked_cb(GtkButton *button, signal_user_data_t *ud)
 715 {
 716         do_source_dialog(button, FALSE, ud);
 717 }
 718
 719 void
 720 single_title_source_cb(GtkButton *button, signal_user_data_t *ud)
 721 {
 722         do_source_dialog(button, TRUE, ud);
 723 }
 724
 725 void
 726 dvd_source_activate_cb(GtkAction *action, signal_user_data_t *ud)
 727 {
 728         const gchar *filename;
 729         gchar *sourcename;
 730
 731         sourcename = ghb_settings_get_string(ud->settings, "source");
 732         filename = gtk_action_get_name(action);
 733         ghb_do_scan(ud, filename, 0, TRUE);
 734         if (strcmp(sourcename, filename) != 0)
 735         {
 736                 ghb_settings_set_string (ud->settings, "default_source", filename);
 737                 ghb_pref_save (ud->settings, "default_source");
 738                 ghb_dvd_set_current (filename, ud);
 739         }
 740         g_free(sourcename);
 741 }
 742
 743 static void
 744 update_destination_extension(signal_user_data_t *ud)
 745 {
 746         static gchar *containers[] = {".mkv", ".mp4", ".m4v", ".avi", ".ogm", NULL};
 747         gchar *filename;
 748         gchar *extension;
 749         gint ii;
 750         GtkEntry *entry;
 751
 752         g_debug("update_destination_extension ()");
 753         extension = ghb_settings_get_string(ud->settings, "FileFormat");
 754         entry = GTK_ENTRY(GHB_WIDGET(ud->builder, "dest_file"));
 755         filename = g_strdup(gtk_entry_get_text(entry));
 756         for (ii = 0; containers[ii] != NULL; ii++)
 757         {
 758                 if (g_str_has_suffix(filename, containers[ii]))
 759                 {
 760                         gchar *pos;
 761                         gchar *new_name;
 762
 763                         pos = g_strrstr( filename, "." );
 764                         if (pos == NULL)
 765                         {
 766                                 // No period? shouldn't happen
 767                                 break;
 768                         }
 769                         *pos = 0;
 770                         if (strcmp(extension, &pos[1]) == 0)
 771                         {
 772                                 // Extension is already correct
 773                                 break;
 774                         }
 775                         new_name = g_strjoin(".", filename, extension, NULL);
 776                         ghb_ui_update(ud, "dest_file", ghb_string_value(new_name));
 777                         g_free(new_name);
 778                         break;
 779                 }
 780         }
 781         g_free(extension);
 782         g_free(filename);
 783 }
 784
 785 static void
 786 destination_select_title(GtkEntry *entry)
 787 {
 788         const gchar *dest;
 789         gint start, end;
 790
 791         dest = gtk_entry_get_text(entry);
 792         for (end = strlen(dest)-1; end > 0; end--)
 793         {
 794                 if (dest[end] == '.')
 795                 {
 796                         break;
 797                 }
 798         }
 799         for (start = end; start >= 0; start--)
 800         {
 801                 if (dest[start] == '/')
 802                 {
 803                         start++;
 804                         break;
 805                 }
 806         }
 807         if (start < 0) start = 0;
 808         if (start < end)
 809         {
 810                 gtk_editable_select_region(GTK_EDITABLE(entry), start, end);
 811         }
 812 }
 813
 814 gboolean
 815 destination_grab_cb(
 816         GtkEntry *entry,
 817         signal_user_data_t *ud)
 818 {
 819         destination_select_title(entry);
 820         return FALSE;
 821 }
 822
 823 static gboolean update_default_destination = FALSE;
 824
 825 void
 826 dest_dir_set_cb(GtkFileChooserButton *dest_chooser, signal_user_data_t *ud)
 827 {
 828         gchar *dest_file, *dest_dir, *dest;
 829
 830         g_debug("dest_dir_set_cb ()");
 831         ghb_widget_to_setting(ud->settings, (GtkWidget*)dest_chooser);
 832         dest_file = ghb_settings_get_string(ud->settings, "dest_file");
 833         dest_dir = ghb_settings_get_string(ud->settings, "dest_dir");
 834         dest = g_strdup_printf("%s/%s", dest_dir, dest_file);
 835         ghb_settings_set_string(ud->settings, "destination", dest);
 836         g_free(dest_file);
 837         g_free(dest_dir);
 838         g_free(dest);
 839         update_default_destination = TRUE;
 840 }
 841
 842 void
 843 dest_file_changed_cb(GtkEntry *entry, signal_user_data_t *ud)
 844 {
 845         gchar *dest_file, *dest_dir, *dest;
 846
 847         g_debug("dest_file_changed_cb ()");
 848         update_destination_extension(ud);
 849         ghb_widget_to_setting(ud->settings, (GtkWidget*)entry);
 850         // This signal goes off with ever keystroke, so I'm putting this
 851         // update on the timer.
 852         dest_file = ghb_settings_get_string(ud->settings, "dest_file");
 853         dest_dir = ghb_settings_get_string(ud->settings, "dest_dir");
 854         dest = g_strdup_printf("%s/%s", dest_dir, dest_file);
 855         ghb_settings_set_string(ud->settings, "destination", dest);
 856         g_free(dest_file);
 857         g_free(dest_dir);
 858         g_free(dest);
 859         update_default_destination = TRUE;
 860 }
 861
 862 void
 863 destination_browse_clicked_cb(GtkButton *button, signal_user_data_t *ud)
 864 {
 865         GtkWidget *dialog;
 866         GtkEntry *entry;
 867         gchar *destname;
 868         gchar *basename;
 869
 870         g_debug("destination_browse_clicked_cb ()");
 871         destname = ghb_settings_get_string(ud->settings, "destination");
 872         dialog = gtk_file_chooser_dialog_new ("Choose Destination",
 873                                           NULL,
 874                                           GTK_FILE_CHOOSER_ACTION_SAVE,
 875                                           GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 876                                           GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
 877                                           NULL);
 878         gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(dialog), destname);
 879         basename = g_path_get_basename(destname);
 880         g_free(destname);
 881         gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), basename);
 882         g_free(basename);
 883         if (gtk_dialog_run(GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
 884         {
 885                 char *filename, *dirname;
 886                 GtkFileChooser *dest_chooser;
 887
 888                 filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
 889                 basename = g_path_get_basename(filename);
 890                 dirname = g_path_get_dirname(filename);
 891                 entry = (GtkEntry*)GHB_WIDGET(ud->builder, "dest_file");
 892                 gtk_entry_set_text(entry, basename);
 893                 dest_chooser = GTK_FILE_CHOOSER(GHB_WIDGET(ud->builder, "dest_dir"));
 894                 gtk_file_chooser_set_filename(dest_chooser, dirname);
 895                 g_free (dirname);
 896                 g_free (basename);
 897                 g_free (filename);
 898         }
 899         gtk_widget_destroy(dialog);
 900 }
 901
 902 gboolean
 903 window_destroy_event_cb(GtkWidget *widget, GdkEvent *event, signal_user_data_t *ud)
 904 {
 905         g_debug("window_destroy_event_cb ()");
 906         ghb_hb_cleanup(FALSE);
 907         prune_logs(ud);
 908         gtk_main_quit();
 909         return FALSE;
 910 }
 911
 912 gboolean
 913 window_delete_event_cb(GtkWidget *widget, GdkEvent *event, signal_user_data_t *ud)
 914 {
 915         gint state = ghb_get_queue_state();
 916         g_debug("window_delete_event_cb ()");
 917         if (state & GHB_STATE_WORKING)
 918         {
 919                 if (ghb_cancel_encode("Closing HandBrake will terminate encoding.\n"))
 920                 {
 921                         ghb_hb_cleanup(FALSE);
 922                         prune_logs(ud);
 923                         gtk_main_quit();
 924                         return FALSE;
 925                 }
 926                 return TRUE;
 927         }
 928         ghb_hb_cleanup(FALSE);
 929         prune_logs(ud);
 930         gtk_main_quit();
 931         return FALSE;
 932 }
 933
 934 static void
 935 update_acodec_combo(signal_user_data_t *ud)
 936 {
 937         ghb_grey_combo_options (ud->builder);
 938 }
 939
 940 void
 941 container_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
 942 {
 943         const GValue *audio_list;
 944         g_debug("container_changed_cb ()");
 945         ghb_widget_to_setting(ud->settings, widget);
 946         update_destination_extension(ud);
 947         ghb_check_dependency(ud, widget);
 948         update_acodec_combo(ud);
 949         ghb_clear_presets_selection(ud);
 950         ghb_live_reset(ud);
 951
 952         audio_list = ghb_settings_get_value(ud->settings, "audio_list");
 953         if (ghb_ac3_in_audio_list (audio_list))
 954         {
 955                 gchar *container;
 956
 957                 container = ghb_settings_get_string(ud->settings, "FileFormat");
 958                 if (strcmp(container, "mp4") == 0)
 959                 {
 960                         ghb_ui_update(ud, "FileFormat", ghb_string_value("m4v"));
 961                 }
 962                 g_free(container);
 963         }
 964 }
 965
 966 static gchar*
 967 get_aspect_string(gint aspect_n, gint aspect_d)
 968 {
 969         gchar *aspect;
 970
 971         if (aspect_d < 10)
 972         {
 973                 aspect = g_strdup_printf("%d:%d", aspect_n, aspect_d);
 974         }
 975         else
 976         {
 977                 gdouble aspect_nf = (gdouble)aspect_n / aspect_d;
 978                 aspect = g_strdup_printf("%.2f:1", aspect_nf);
 979         }
 980         return aspect;
 981 }
 982
 983 static gchar*
 984 get_rate_string(gint rate_base, gint rate)
 985 {
 986         gdouble rate_f = (gdouble)rate / rate_base;
 987         gchar *rate_s;
 988
 989         rate_s = g_strdup_printf("%.6g", rate_f);
 990         return rate_s;
 991 }
 992 static void
 993 show_title_info(signal_user_data_t *ud, ghb_title_info_t *tinfo)
 994 {
 995         GtkWidget *widget;
 996         gchar *text;
 997
 998         widget = GHB_WIDGET (ud->builder, "title_duration");
 999         if (tinfo->duration != 0)
1000         {
1001                 text = g_strdup_printf ("%02d:%02d:%02d", tinfo->hours,
1002                                 tinfo->minutes, tinfo->seconds);
1003         }
1004         else
1005         {
1006                 text = g_strdup_printf ("Unknown");
1007         }
1008         gtk_label_set_text (GTK_LABEL(widget), text);
1009         g_free(text);
1010         widget = GHB_WIDGET (ud->builder, "source_dimensions");
1011         text = g_strdup_printf ("%d x %d", tinfo->width, tinfo->height);
1012         gtk_label_set_text (GTK_LABEL(widget), text);
1013         ghb_settings_set_int(ud->settings, "source_width", tinfo->width);
1014         ghb_settings_set_int(ud->settings, "source_height", tinfo->height);
1015         g_free(text);
1016         widget = GHB_WIDGET (ud->builder, "source_aspect");
1017         text = get_aspect_string(tinfo->aspect_n, tinfo->aspect_d);
1018         gtk_label_set_text (GTK_LABEL(widget), text);
1019         g_free(text);
1020
1021         widget = GHB_WIDGET (ud->builder, "source_frame_rate");
1022         text = (gchar*)get_rate_string(tinfo->rate_base, tinfo->rate);
1023         gtk_label_set_text (GTK_LABEL(widget), text);
1024         g_free(text);
1025
1026         ghb_ui_update(ud, "scale_width",
1027                 ghb_int64_value(tinfo->width - tinfo->crop[2] - tinfo->crop[3]));
1028         // If anamorphic or keep_aspect, the hight will be automatically calculated
1029         gboolean keep_aspect, anamorphic;
1030         keep_aspect = ghb_settings_get_boolean(ud->settings, "PictureKeepRatio");
1031         anamorphic = ghb_settings_get_boolean(ud->settings, "anamorphic");
1032         if (!(keep_aspect || anamorphic))
1033         {
1034                 ghb_ui_update(ud, "scale_height",
1035                         ghb_int64_value(tinfo->height - tinfo->crop[0] - tinfo->crop[1]));
1036         }
1037
1038         // Set the limits of cropping.  hb_set_anamorphic_size crashes if
1039         // you pass it a cropped width or height == 0.
1040         gint bound;
1041         bound = tinfo->height / 2 - 2;
1042         widget = GHB_WIDGET (ud->builder, "PictureTopCrop");
1043         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 0, bound);
1044         widget = GHB_WIDGET (ud->builder, "PictureBottomCrop");
1045         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 0, bound);
1046         bound = tinfo->width / 2 - 2;
1047         widget = GHB_WIDGET (ud->builder, "PictureLeftCrop");
1048         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 0, bound);
1049         widget = GHB_WIDGET (ud->builder, "PictureRightCrop");
1050         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 0, bound);
1051         if (ghb_settings_get_boolean(ud->settings, "PictureAutoCrop"))
1052         {
1053                 ghb_ui_update(ud, "PictureTopCrop", ghb_int64_value(tinfo->crop[0]));
1054                 ghb_ui_update(ud, "PictureBottomCrop", ghb_int64_value(tinfo->crop[1]));
1055                 ghb_ui_update(ud, "PictureLeftCrop", ghb_int64_value(tinfo->crop[2]));
1056                 ghb_ui_update(ud, "PictureRightCrop", ghb_int64_value(tinfo->crop[3]));
1057         }
1058         ghb_set_scale (ud, GHB_SCALE_KEEP_NONE);
1059         gint width, height, crop[4];
1060         crop[0] = ghb_settings_get_int(ud->settings, "PictureTopCrop");
1061         crop[1] = ghb_settings_get_int(ud->settings, "PictureBottomCrop");
1062         crop[2] = ghb_settings_get_int(ud->settings, "PictureLeftCrop");
1063         crop[3] = ghb_settings_get_int(ud->settings, "PictureRightCrop");
1064         width = tinfo->width - crop[2] - crop[3];
1065         height = tinfo->height - crop[0] - crop[1];
1066         widget = GHB_WIDGET (ud->builder, "crop_dimensions");
1067         text = g_strdup_printf ("%d x %d", width, height);
1068         gtk_label_set_text (GTK_LABEL(widget), text);
1069         g_free(text);
1070
1071         g_debug("setting max end chapter %d", tinfo->num_chapters);
1072         widget = GHB_WIDGET (ud->builder, "end_chapter");
1073         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 1, tinfo->num_chapters);
1074         gtk_spin_button_set_value (GTK_SPIN_BUTTON(widget), tinfo->num_chapters);
1075         widget = GHB_WIDGET (ud->builder, "start_chapter");
1076         gtk_spin_button_set_value (GTK_SPIN_BUTTON(widget), 1);
1077         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 1, tinfo->num_chapters);
1078 }
1079
1080 static gboolean update_preview = FALSE;
1081
1082 void
1083 title_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1084 {
1085         ghb_title_info_t tinfo;
1086         gint titleindex;
1087
1088         g_debug("title_changed_cb ()");
1089         ghb_widget_to_setting(ud->settings, widget);
1090         ghb_check_dependency(ud, widget);
1091
1092         titleindex = ghb_settings_combo_int(ud->settings, "title");
1093         ghb_update_ui_combo_box (ud->builder, "AudioTrack", titleindex, FALSE);
1094         ghb_update_ui_combo_box (ud->builder, "Subtitles", titleindex, FALSE);
1095
1096         ghb_update_from_preset(ud, "Subtitles");
1097         if (ghb_get_title_info (&tinfo, titleindex))
1098         {
1099                 show_title_info(ud, &tinfo);
1100         }
1101         update_chapter_list (ud);
1102         ghb_adjust_audio_rate_combos(ud);
1103         ghb_set_pref_audio(titleindex, ud);
1104         if (ghb_settings_get_boolean(ud->settings, "vquality_type_target"))
1105         {
1106                 gint bitrate = ghb_calculate_target_bitrate (ud->settings, titleindex);
1107                 ghb_ui_update(ud, "VideoAvgBitrate", ghb_int64_value(bitrate));
1108         }
1109
1110         // Unfortunately, there is no way to query how many frames were
1111         // actually generated during the scan.
1112         // If I knew how many were generated, I would adjust the spin
1113         // control range here.
1114         // I do know how many were asked for.
1115         gint preview_count;
1116         preview_count = ghb_settings_get_int(ud->settings, "preview_count");
1117         widget = GHB_WIDGET(ud->builder, "preview_frame");
1118         gtk_spin_button_set_range (GTK_SPIN_BUTTON(widget), 1, preview_count);
1119         ghb_ui_update(ud, "preview_frame", ghb_int64_value(2));
1120
1121         ghb_set_preview_image (ud);
1122         if (ghb_settings_get_boolean(ud->settings, "title_no_in_destination"))
1123         {
1124                 set_destination(ud);
1125         }
1126 }
1127
1128 void
1129 setting_widget_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1130 {
1131         ghb_widget_to_setting(ud->settings, widget);
1132         ghb_check_dependency(ud, widget);
1133         ghb_clear_presets_selection(ud);
1134         ghb_live_reset(ud);
1135 }
1136
1137 void
1138 vquality_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1139 {
1140         ghb_widget_to_setting(ud->settings, widget);
1141         ghb_check_dependency(ud, widget);
1142         ghb_clear_presets_selection(ud);
1143         ghb_live_reset(ud);
1144
1145         gint vcodec = ghb_settings_combo_int(ud->settings, "VideoEncoder");
1146         gdouble step;
1147         if (vcodec == HB_VCODEC_X264)
1148         {
1149                 step = ghb_settings_combo_double(ud->settings,
1150                                                                                         "VideoQualityGranularity");
1151         }
1152         else
1153         {
1154                 step = 1;
1155         }
1156         gdouble val = gtk_range_get_value(GTK_RANGE(widget));
1157         val = ((int)((val + step / 2) / step)) * step;
1158         gtk_range_set_value(GTK_RANGE(widget), val);
1159 }
1160
1161 void
1162 http_opt_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1163 {
1164         ghb_widget_to_setting(ud->settings, widget);
1165         ghb_check_dependency(ud, widget);
1166         ghb_clear_presets_selection(ud);
1167         ghb_live_reset(ud);
1168         // AC3 is not allowed when Web optimized
1169         ghb_grey_combo_options (ud->builder);
1170 }
1171
1172 void
1173 vcodec_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1174 {
1175         gdouble vqmin, vqmax, step, page;
1176         gboolean inverted;
1177         gint digits;
1178
1179         ghb_widget_to_setting(ud->settings, widget);
1180         ghb_check_dependency(ud, widget);
1181         ghb_clear_presets_selection(ud);
1182         ghb_live_reset(ud);
1183         ghb_vquality_range(ud, &vqmin, &vqmax, &step, &page, &digits, &inverted);
1184         GtkWidget *qp = GHB_WIDGET(ud->builder, "VideoQualitySlider");
1185         gtk_range_set_range (GTK_RANGE(qp), vqmin, vqmax);
1186         gtk_range_set_increments (GTK_RANGE(qp), step, page);
1187         gtk_scale_set_digits(GTK_SCALE(qp), digits);
1188         gtk_range_set_inverted (GTK_RANGE(qp), inverted);
1189 }
1190
1191 void
1192 target_size_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1193 {
1194         const gchar *name = gtk_widget_get_name(widget);
1195         g_debug("target_size_changed_cb () %s", name);
1196         ghb_widget_to_setting(ud->settings, widget);
1197         ghb_check_dependency(ud, widget);
1198         ghb_clear_presets_selection(ud);
1199         ghb_live_reset(ud);
1200         if (ghb_settings_get_boolean(ud->settings, "vquality_type_target"))
1201         {
1202                 gint titleindex;
1203                 titleindex = ghb_settings_combo_int(ud->settings, "title");
1204                 gint bitrate = ghb_calculate_target_bitrate (ud->settings, titleindex);
1205                 ghb_ui_update(ud, "VideoAvgBitrate", ghb_int64_value(bitrate));
1206         }
1207 }
1208
1209 void
1210 start_chapter_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1211 {
1212         gint start, end;
1213         const gchar *name = gtk_widget_get_name(widget);
1214
1215         g_debug("start_chapter_changed_cb () %s", name);
1216         ghb_widget_to_setting(ud->settings, widget);
1217         start = ghb_settings_get_int(ud->settings, "start_chapter");
1218         end = ghb_settings_get_int(ud->settings, "end_chapter");
1219         if (start > end)
1220                 ghb_ui_update(ud, "end_chapter", ghb_int_value(start));
1221         ghb_check_dependency(ud, widget);
1222         if (ghb_settings_get_boolean(ud->settings, "chapters_in_destination"))
1223         {
1224                 set_destination(ud);
1225         }
1226 }
1227
1228 void
1229 end_chapter_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1230 {
1231         gint start, end;
1232         const gchar *name = gtk_widget_get_name(widget);
1233
1234         g_debug("end_chapter_changed_cb () %s", name);
1235         ghb_widget_to_setting(ud->settings, widget);
1236         start = ghb_settings_get_int(ud->settings, "start_chapter");
1237         end = ghb_settings_get_int(ud->settings, "end_chapter");
1238         if (start > end)
1239                 ghb_ui_update(ud, "start_chapter", ghb_int_value(end));
1240         ghb_check_dependency(ud, widget);
1241         if (ghb_settings_get_boolean(ud->settings, "chapters_in_destination"))
1242         {
1243                 set_destination(ud);
1244         }
1245 }
1246
1247 void
1248 scale_width_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1249 {
1250         g_debug("scale_width_changed_cb ()");
1251         ghb_widget_to_setting(ud->settings, widget);
1252         ghb_check_dependency(ud, widget);
1253         ghb_set_scale (ud, GHB_SCALE_KEEP_WIDTH);
1254         update_preview = TRUE;
1255         gchar *text;
1256         gint width = ghb_settings_get_int(ud->settings, "scale_width");
1257         gint height = ghb_settings_get_int(ud->settings, "scale_height");
1258         widget = GHB_WIDGET (ud->builder, "scale_dimensions");
1259         text = g_strdup_printf ("%d x %d", width, height);
1260         gtk_label_set_text (GTK_LABEL(widget), text);
1261         g_free(text);
1262         ghb_live_reset(ud);
1263 }
1264
1265 void
1266 scale_height_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1267 {
1268         g_debug("scale_height_changed_cb ()");
1269         ghb_widget_to_setting(ud->settings, widget);
1270         ghb_check_dependency(ud, widget);
1271         ghb_set_scale (ud, GHB_SCALE_KEEP_HEIGHT);
1272         update_preview = TRUE;
1273         gchar *text;
1274         gint width = ghb_settings_get_int(ud->settings, "scale_width");
1275         gint height = ghb_settings_get_int(ud->settings, "scale_height");
1276         widget = GHB_WIDGET (ud->builder, "scale_dimensions");
1277         text = g_strdup_printf ("%d x %d", width, height);
1278         gtk_label_set_text (GTK_LABEL(widget), text);
1279         g_free(text);
1280         ghb_live_reset(ud);
1281 }
1282
1283 void
1284 crop_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1285 {
1286         gint titleindex, crop[4];
1287         ghb_title_info_t tinfo;
1288
1289         g_debug("crop_changed_cb ()");
1290         ghb_widget_to_setting(ud->settings, widget);
1291         ghb_check_dependency(ud, widget);
1292         ghb_set_scale (ud, GHB_SCALE_KEEP_NONE);
1293
1294         crop[0] = ghb_settings_get_int(ud->settings, "PictureTopCrop");
1295         crop[1] = ghb_settings_get_int(ud->settings, "PictureBottomCrop");
1296         crop[2] = ghb_settings_get_int(ud->settings, "PictureLeftCrop");
1297         crop[3] = ghb_settings_get_int(ud->settings, "PictureRightCrop");
1298         titleindex = ghb_settings_combo_int(ud->settings, "title");
1299         if (ghb_get_title_info (&tinfo, titleindex))
1300         {
1301                 gint width, height;
1302                 gchar *text;
1303
1304                 width = tinfo.width - crop[2] - crop[3];
1305                 height = tinfo.height - crop[0] - crop[1];
1306                 widget = GHB_WIDGET (ud->builder, "crop_dimensions");
1307                 text = g_strdup_printf ("%d x %d", width, height);
1308                 gtk_label_set_text (GTK_LABEL(widget), text);
1309                 g_free(text);
1310         }
1311         gchar *text;
1312         widget = GHB_WIDGET (ud->builder, "crop_values");
1313         text = g_strdup_printf ("%d:%d:%d:%d", crop[0], crop[1], crop[2], crop[3]);
1314         gtk_label_set_text (GTK_LABEL(widget), text);
1315         g_free(text);
1316         update_preview = TRUE;
1317         ghb_live_reset(ud);
1318 }
1319
1320 void
1321 scale_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
1322 {
1323         g_debug("scale_changed_cb ()");
1324         ghb_widget_to_setting(ud->settings, widget);
1325         ghb_check_dependency(ud, widget);
1326         ghb_clear_presets_selection(ud);
1327         ghb_live_reset(ud);
1328         ghb_set_scale (ud, GHB_SCALE_KEEP_NONE);
1329         update_preview = TRUE;
1330
1331         gchar *text;
1332
1333         text = ghb_settings_get_boolean(ud->settings, "PictureAutoCrop") ? "On" : "Off";
1334         widget = GHB_WIDGET (ud->builder, "crop_auto");
1335         gtk_label_set_text (GTK_LABEL(widget), text);
1336         text = ghb_settings_get_boolean(ud->settings, "autoscale") ? "On" : "Off";
1337         widget = GHB_WIDGET (ud->builder, "scale_auto");
1338         gtk_label_set_text (GTK_LABEL(widget), text);
1339         text = ghb_settings_get_boolean(ud->settings, "anamorphic") ? "On" : "Off";
1340         widget = GHB_WIDGET (ud->builder, "scale_anamorphic");
1341         gtk_label_set_text (GTK_LABEL(widget), text);
1342 }
1343
1344 void
1345 generic_entry_changed_cb(GtkEntry *entry, signal_user_data_t *ud)
1346 {
1347         // Normally (due to user input) I only want to process the entry
1348         // when editing is done and the focus-out signal is sent.
1349         // But... there's always a but.
1350         // If the entry is changed by software, the focus-out signal is not sent.
1351         // The changed signal is sent ... so here we are.
1352         // I don't want to process upon every keystroke, so I prevent processing
1353         // while the widget has focus.
1354         g_debug("generic_entry_changed_cb ()");
1355         if (!GTK_WIDGET_HAS_FOCUS((GtkWidget*)entry))
1356         {
1357                 ghb_widget_to_setting(ud->settings, (GtkWidget*)entry);
1358         }
1359 }
1360
1361 void
1362 prefs_dialog_cb(GtkWidget *xwidget, signal_user_data_t *ud)
1363 {
1364         GtkWidget *dialog;
1365         GtkResponseType response;
1366
1367         g_debug("prefs_dialog_cb ()");
1368         dialog = GHB_WIDGET(ud->builder, "prefs_dialog");
1369         response = gtk_dialog_run(GTK_DIALOG(dialog));
1370         gtk_widget_hide(dialog);
1371 }
1372
1373 gboolean
1374 ghb_message_dialog(GtkMessageType type, const gchar *message, const gchar *no, const gchar *yes)
1375 {
1376         GtkWidget *dialog;
1377         GtkResponseType response;
1378
1379         // Toss up a warning dialog
1380         dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
1381                                                         type, GTK_BUTTONS_NONE,
1382                                                         "%s", message);
1383         gtk_dialog_add_buttons( GTK_DIALOG(dialog),
1384                                                    no, GTK_RESPONSE_NO,
1385                                                    yes, GTK_RESPONSE_YES, NULL);
1386         response = gtk_dialog_run(GTK_DIALOG(dialog));
1387         gtk_widget_destroy (dialog);
1388         if (response == GTK_RESPONSE_NO)
1389         {
1390                 return FALSE;
1391         }
1392         return TRUE;
1393 }
1394
1395 gboolean
1396 ghb_cancel_encode(const gchar *extra_msg)
1397 {
1398         GtkWidget *dialog;
1399         GtkResponseType response;
1400
1401         if (extra_msg == NULL) extra_msg = "";
1402         // Toss up a warning dialog
1403         dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL,
1404                                 GTK_MESSAGE_WARNING, GTK_BUTTONS_NONE,
1405                                 "%sYour movie will be lost if you don't continue encoding.",
1406                                 extra_msg);
1407         gtk_dialog_add_buttons( GTK_DIALOG(dialog),
1408                                                    "Continue Encoding", GTK_RESPONSE_NO,
1409                                                    "Stop Encoding", GTK_RESPONSE_YES, NULL);
1410         response = gtk_dialog_run(GTK_DIALOG(dialog));
1411         gtk_widget_destroy (dialog);
1412         if (response == GTK_RESPONSE_NO) return FALSE;
1413         ghb_stop_queue();
1414         return TRUE;
1415 }
1416
1417 static void
1418 submit_job(GValue *settings)
1419 {
1420         static gint unique_id = 1;
1421         gchar *type, *modified, *preset;
1422         const GValue *path;
1423         gboolean preset_modified;
1424
1425         g_debug("submit_job");
1426         if (settings == NULL) return;
1427         preset_modified = ghb_settings_get_boolean(settings, "preset_modified");
1428         path = ghb_settings_get_value(settings, "preset");
1429         preset = ghb_preset_path_string(path);
1430         type = ghb_preset_is_custom() ? "Custom " : "";
1431         modified = preset_modified ? "Modified " : "";
1432         ghb_log("%s%sPreset: %s", modified, type, preset);
1433         g_free(preset);
1434
1435         ghb_settings_set_int(settings, "job_unique_id", unique_id);
1436         ghb_settings_set_int(settings, "job_status", GHB_QUEUE_RUNNING);
1437         ghb_add_job (settings, unique_id);
1438         ghb_start_queue();
1439         unique_id++;
1440 }
1441
1442 static void
1443 prune_logs(signal_user_data_t *ud)
1444 {
1445         gchar *dest_dir;
1446
1447         // Only prune logs stored in the default config dir location
1448         dest_dir = ghb_get_user_config_dir("EncodeLogs");
1449         if (g_file_test(dest_dir, G_FILE_TEST_IS_DIR))
1450         {
1451                 const gchar *file;
1452                 int week = 7*24*60*60;
1453                 GDir *gdir = g_dir_open(dest_dir, 0, NULL);
1454                 time_t now;
1455
1456                 now = time(NULL);
1457                 file = g_dir_read_name(gdir);
1458                 while (file)
1459                 {
1460                         gchar *path;
1461                         struct stat stbuf;
1462
1463                         path = g_strdup_printf("%s/%s", dest_dir, file);
1464                         g_stat(path, &stbuf);
1465                         if (now - stbuf.st_mtime > week)
1466                         {
1467                                 g_unlink(path);
1468                         }
1469                         g_free(path);
1470                         file = g_dir_read_name(gdir);
1471                 }
1472                 g_dir_close(gdir);
1473         }
1474         g_free(dest_dir);
1475         ghb_preview_cleanup(ud);
1476 }
1477
1478 static void
1479 queue_scan(signal_user_data_t *ud, GValue *js)
1480 {
1481         gchar *path;
1482         gint titlenum;
1483         time_t  _now;
1484         struct tm *now;
1485         gchar *log_path, *pos, *destname, *basename, *dest_dir;
1486
1487         _now = time(NULL);
1488         now = localtime(&_now);
1489         destname = ghb_settings_get_string(js, "destination");
1490         basename = g_path_get_basename(destname);
1491         if (ghb_settings_get_boolean(ud->settings, "EncodeLogLocation"))
1492         {
1493                 dest_dir = g_path_get_dirname (destname);
1494         }
1495         else
1496         {
1497                 dest_dir = ghb_get_user_config_dir("EncodeLogs");
1498         }
1499         g_free(destname);
1500         pos = g_strrstr( basename, "." );
1501         if (pos != NULL)
1502         {
1503                 *pos = 0;
1504         }
1505         log_path = g_strdup_printf("%s/%d-%02d-%02d %02d-%02d-%02d %s.log",
1506                 dest_dir,
1507                 now->tm_year + 1900, now->tm_mon + 1, now->tm_mday,
1508                 now->tm_hour, now->tm_min, now->tm_sec, basename);
1509         g_free(basename);
1510         g_free(dest_dir);
1511         if (ud->job_activity_log)
1512                 g_io_channel_unref(ud->job_activity_log);
1513         ud->job_activity_log = g_io_channel_new_file (log_path, "w", NULL);
1514         if (ud->job_activity_log)
1515         {
1516                 gchar *ver_str;
1517
1518                 ver_str = g_strdup_printf("Handbrake Version: %s (%d)\n",
1519                                                                         hb_get_version(NULL), hb_get_build(NULL));
1520                 g_io_channel_write_chars (ud->job_activity_log, ver_str,
1521                                                                         -1, NULL, NULL);
1522                 g_free(ver_str);
1523         }
1524         g_free(log_path);
1525
1526         path = ghb_settings_get_string( js, "source");
1527         titlenum = ghb_settings_get_int(js, "titlenum");
1528         ghb_backend_queue_scan(path, titlenum);
1529         g_free(path);
1530 }
1531
1532 GValue*
1533 ghb_start_next_job(signal_user_data_t *ud, gboolean find_first)
1534 {
1535         static gint current = 0;
1536         gint count, ii, jj;
1537         GValue *js;
1538         gint status;
1539
1540         g_debug("start_next_job");
1541         count = ghb_array_len(ud->queue);
1542         if (find_first)
1543         {       // Start the first pending item in the queue
1544                 current = 0;
1545                 for (ii = 0; ii < count; ii++)
1546                 {
1547
1548                         js = ghb_array_get_nth(ud->queue, ii);
1549                         status = ghb_settings_get_int(js, "job_status");
1550                         if (status == GHB_QUEUE_PENDING)
1551                         {
1552                                 current = ii;
1553                                 ghb_inhibit_gpm();
1554                                 queue_scan(ud, js);
1555                                 return js;
1556                         }
1557                 }
1558                 // Nothing pending
1559                 ghb_uninhibit_gpm();
1560                 return NULL;
1561         }
1562         // Find the next pending item after the current running item
1563         for (ii = 0; ii < count-1; ii++)
1564         {
1565                 js = ghb_array_get_nth(ud->queue, ii);
1566                 status = ghb_settings_get_int(js, "job_status");
1567                 if (status == GHB_QUEUE_RUNNING)
1568                 {
1569                         for (jj = ii+1; jj < count; jj++)
1570                         {
1571                                 js = ghb_array_get_nth(ud->queue, jj);
1572                                 status = ghb_settings_get_int(js, "job_status");
1573                                 if (status == GHB_QUEUE_PENDING)
1574                                 {
1575                                         current = jj;
1576                                         ghb_inhibit_gpm();
1577                                         queue_scan(ud, js);
1578                                         return js;
1579                                 }
1580                         }
1581                 }
1582         }
1583         // No running item found? Maybe it was deleted
1584         // Look for a pending item starting from the last index we started
1585         for (ii = current; ii < count; ii++)
1586         {
1587                 js = ghb_array_get_nth(ud->queue, ii);
1588                 status = ghb_settings_get_int(js, "job_status");
1589                 if (status == GHB_QUEUE_PENDING)
1590                 {
1591                         current = ii;
1592                         ghb_inhibit_gpm();
1593                         queue_scan(ud, js);
1594                         return js;
1595                 }
1596         }
1597         // Nothing found
1598         ghb_uninhibit_gpm();
1599         return NULL;
1600 }
1601
1602 static gint
1603 find_queue_job(GValue *queue, gint unique_id, GValue **job)
1604 {
1605         GValue *js;
1606         gint ii, count;
1607         gint job_unique_id;
1608
1609         *job = NULL;
1610         g_debug("find_queue_job");
1611         count = ghb_array_len(queue);
1612         for (ii = 0; ii < count; ii++)
1613         {
1614                 js = ghb_array_get_nth(queue, ii);
1615                 job_unique_id = ghb_settings_get_int(js, "job_unique_id");
1616                 if (job_unique_id == unique_id)
1617                 {
1618                         *job = js;
1619                         return ii;
1620                 }
1621         }
1622         return -1;
1623 }
1624
1625 gchar*
1626 working_status_string(signal_user_data_t *ud, ghb_instance_status_t *status)
1627 {
1628         gchar *task_str, *job_str, *status_str;
1629         gint qcount;
1630         gint index;
1631         GValue *js;
1632
1633         if (status->job_count > 1)
1634         {
1635                 task_str = g_strdup_printf("pass %d of %d, ",
1636                         status->job_cur, status->job_count);
1637         }
1638         else
1639         {
1640                 task_str = g_strdup("");
1641         }
1642         qcount = ghb_array_len(ud->queue);
1643         if (qcount > 1)
1644         {
1645                 index = find_queue_job(ud->queue, status->unique_id, &js);
1646                 job_str = g_strdup_printf("job %d of %d, ", index+1, qcount);
1647         }
1648         else
1649         {
1650                 job_str = g_strdup("");
1651         }
1652         if(status->seconds > -1)
1653         {
1654                 status_str= g_strdup_printf(
1655                         "Encoding: %s%s%.2f %%"
1656                         " (%.2f fps, avg %.2f fps, ETA %02dh%02dm%02ds)",
1657                         job_str, task_str,
1658                         100.0 * status->progress,
1659                         status->rate_cur, status->rate_avg, status->hours,
1660                         status->minutes, status->seconds );
1661         }
1662         else
1663         {
1664                 status_str= g_strdup_printf(
1665                         "Encoding: %s%s%.2f %%",
1666                         job_str, task_str,
1667                         100.0 * status->progress );
1668         }
1669         g_free(task_str);
1670         g_free(job_str);
1671         return status_str;
1672 }
1673
1674 static void
1675 ghb_backend_events(signal_user_data_t *ud)
1676 {
1677         ghb_status_t status;
1678         gchar *status_str;
1679         GtkProgressBar *progress;
1680         gint titleindex;
1681         GValue *js;
1682         gint index;
1683         GtkTreeView *treeview;
1684         GtkTreeStore *store;
1685         GtkTreeIter iter;
1686         static gint working = 0;
1687         static gboolean work_started = FALSE;
1688
1689         ghb_track_status();
1690         ghb_get_status(&status);
1691         progress = GTK_PROGRESS_BAR(GHB_WIDGET (ud->builder, "progressbar"));
1692         // First handle the status of title scans
1693         // Then handle the status of the queue
1694         if (status.scan.state & GHB_STATE_SCANNING)
1695         {
1696                 if (status.scan.title_cur == 0)
1697                 {
1698                         status_str = g_strdup ("Scanning...");
1699                 }
1700                 else
1701                 {
1702                         status_str = g_strdup_printf ("Scanning title %d of %d...",
1703                                                           status.scan.title_cur, status.scan.title_count );
1704                 }
1705                 gtk_progress_bar_set_text (progress, status_str);
1706                 g_free(status_str);
1707                 if (status.scan.title_count > 0)
1708                 {
1709                         gtk_progress_bar_set_fraction (progress,
1710                                 (gdouble)status.scan.title_cur / status.scan.title_count);
1711                 }
1712         }
1713         else if (status.scan.state & GHB_STATE_SCANDONE)
1714         {
1715                 status_str = g_strdup_printf ("Scan done");
1716                 gtk_progress_bar_set_text (progress, status_str);
1717                 g_free(status_str);
1718                 gtk_progress_bar_set_fraction (progress, 1.0);
1719
1720                 ghb_title_info_t tinfo;
1721
1722                 ghb_update_ui_combo_box(ud->builder, "title", 0, FALSE);
1723                 titleindex = ghb_longest_title();
1724                 ghb_ui_update(ud, "title", ghb_int64_value(titleindex));
1725
1726                 // Are there really any titles.
1727                 if (!ghb_get_title_info(&tinfo, titleindex))
1728                 {
1729                         GtkProgressBar *progress;
1730                         progress = GTK_PROGRESS_BAR(GHB_WIDGET (ud->builder, "progressbar"));
1731                         gtk_progress_bar_set_fraction (progress, 0);
1732                         gtk_progress_bar_set_text (progress, "No Source");
1733                 }
1734                 ghb_clear_scan_state(GHB_STATE_SCANDONE);
1735                 ghb_queue_buttons_grey(ud, work_started);
1736                 if (ghb_queue_edit_settings)
1737                 {
1738                         gint jstatus;
1739
1740                         jstatus = ghb_settings_get_int(ghb_queue_edit_settings, "job_status");
1741                         ghb_settings_to_ui(ud, ghb_queue_edit_settings);
1742                         ghb_set_audio(ud, ghb_queue_edit_settings);
1743                         if (jstatus == GHB_QUEUE_PENDING)
1744                         {
1745                                 ghb_value_free(ghb_queue_edit_settings);
1746                         }
1747                         ghb_queue_edit_settings = NULL;
1748                 }
1749         }
1750         else if (status.queue.state & GHB_STATE_SCANNING)
1751         {
1752                 status_str = g_strdup_printf ("Scanning ...");
1753                 gtk_progress_bar_set_text (progress, status_str);
1754                 g_free(status_str);
1755                 gtk_progress_bar_set_fraction (progress, 0);
1756         }
1757         else if (status.queue.state & GHB_STATE_SCANDONE)
1758         {
1759                 ghb_clear_queue_state(GHB_STATE_SCANDONE);
1760                 usleep(2000000);
1761                 submit_job(ud->current_job);
1762         }
1763         else if (status.queue.state & GHB_STATE_PAUSED)
1764         {
1765                 status_str = g_strdup_printf ("Paused");
1766                 gtk_progress_bar_set_text (progress, status_str);
1767                 g_free(status_str);
1768         }
1769         else if (status.queue.state & GHB_STATE_WORKING)
1770         {
1771                 status_str = working_status_string(ud, &status.queue);
1772                 gtk_progress_bar_set_text (progress, status_str);
1773                 gtk_progress_bar_set_fraction (progress, status.queue.progress);
1774                 g_free(status_str);
1775         }
1776         else if (status.queue.state & GHB_STATE_WORKDONE)
1777         {
1778                 gint qstatus;
1779
1780                 work_started = FALSE;
1781                 ghb_queue_buttons_grey(ud, FALSE);
1782                 index = find_queue_job(ud->queue, status.queue.unique_id, &js);
1783                 treeview = GTK_TREE_VIEW(GHB_WIDGET(ud->builder, "queue_list"));
1784                 store = GTK_TREE_STORE(gtk_tree_view_get_model(treeview));
1785                 if (ud->cancel_encode)
1786                         status.queue.error = GHB_ERROR_CANCELED;
1787                 switch( status.queue.error )
1788                 {
1789                         case GHB_ERROR_NONE:
1790                                 gtk_progress_bar_set_text( progress, "Rip done!" );
1791                                 qstatus = GHB_QUEUE_DONE;
1792                                 if (js != NULL)
1793                                 {
1794                                         gchar *path = g_strdup_printf ("%d", index);
1795                                         if (gtk_tree_model_get_iter_from_string(
1796                                                         GTK_TREE_MODEL(store), &iter, path))
1797                                         {
1798                                                 gtk_tree_store_set(store, &iter, 0, "hb-complete", -1);
1799                                         }
1800                                         g_free(path);
1801                                 }
1802                                 break;
1803                         case GHB_ERROR_CANCELED:
1804                                 gtk_progress_bar_set_text( progress, "Rip canceled." );
1805                                 qstatus = GHB_QUEUE_CANCELED;
1806                                 if (js != NULL)
1807                                 {
1808                                         gchar *path = g_strdup_printf ("%d", index);
1809                                         if (gtk_tree_model_get_iter_from_string(
1810                                                         GTK_TREE_MODEL(store), &iter, path))
1811                                         {
1812                                                 gtk_tree_store_set(store, &iter, 0, "hb-canceled", -1);
1813                                         }
1814                                         g_free(path);
1815                                 }
1816                                 break;
1817                         default:
1818                                 gtk_progress_bar_set_text( progress, "Rip failed.");
1819                                 qstatus = GHB_QUEUE_CANCELED;
1820                                 if (js != NULL)
1821                                 {
1822                                         gchar *path = g_strdup_printf ("%d", index);
1823                                         if (gtk_tree_model_get_iter_from_string(
1824                                                         GTK_TREE_MODEL(store), &iter, path))
1825                                         {
1826                                                 gtk_tree_store_set(store, &iter, 0, "hb-canceled", -1);
1827                                         }
1828                                         g_free(path);
1829                                 }
1830                 }
1831                 gtk_progress_bar_set_fraction (progress, 1.0);
1832                 ghb_clear_queue_state(GHB_STATE_WORKDONE);
1833                 if (ud->job_activity_log)
1834                         g_io_channel_unref(ud->job_activity_log);
1835                 ud->job_activity_log = NULL;
1836                 if (!ud->cancel_encode)
1837                 {
1838                         ud->current_job = ghb_start_next_job(ud, FALSE);
1839                 }
1840                 else
1841                 {
1842                         ghb_uninhibit_gpm();
1843                         ud->current_job = NULL;
1844                 }
1845                 if (js)
1846                         ghb_settings_set_int(js, "job_status", qstatus);
1847                 ghb_save_queue(ud->queue);
1848                 ud->cancel_encode = FALSE;
1849         }
1850         else if (status.queue.state & GHB_STATE_MUXING)
1851         {
1852                 gtk_progress_bar_set_text(progress, "Muxing: this may take awhile...");
1853         }
1854         if (status.queue.state & GHB_STATE_SCANNING)
1855         {
1856                 // This needs to be in scanning and working since scanning
1857                 // happens fast enough that it can be missed
1858                 if (!work_started)
1859                 {
1860                         work_started = TRUE;
1861                         ghb_queue_buttons_grey(ud, TRUE);
1862                 }
1863         }
1864         if (status.queue.state & GHB_STATE_WORKING)
1865         {
1866                 // This needs to be in scanning and working since scanning
1867                 // happens fast enough that it can be missed
1868                 if (!work_started)
1869                 {
1870                         work_started = TRUE;
1871                         ghb_queue_buttons_grey(ud, TRUE);
1872                 }
1873                 index = find_queue_job(ud->queue, status.queue.unique_id, &js);
1874                 if (status.queue.unique_id != 0 && index >= 0)
1875                 {
1876                         gchar working_icon[] = "hb-working0";
1877                         working_icon[10] = '0' + working;
1878                         working = (working+1) % 6;
1879                         treeview = GTK_TREE_VIEW(GHB_WIDGET(ud->builder, "queue_list"));
1880                         store = GTK_TREE_STORE(gtk_tree_view_get_model(treeview));
1881                         gchar *path = g_strdup_printf ("%d", index);
1882                         if (gtk_tree_model_get_iter_from_string(
1883                                         GTK_TREE_MODEL(store), &iter, path))
1884                         {
1885                                 gtk_tree_store_set(store, &iter, 0, working_icon, -1);
1886                         }
1887                         g_free(path);
1888                 }
1889                 GtkLabel *label;
1890                 gchar *status_str;
1891
1892                 status_str = working_status_string(ud, &status.queue);
1893                 label = GTK_LABEL(GHB_WIDGET(ud->builder, "queue_status"));
1894                 gtk_label_set_text (label, status_str);
1895                 g_free(status_str);
1896         }
1897         if (status.scan.state & GHB_STATE_WORKING)
1898         {
1899                 GtkProgressBar *live_progress;
1900                 live_progress = GTK_PROGRESS_BAR(
1901                         GHB_WIDGET(ud->builder, "live_encode_progress"));
1902                 status_str = working_status_string(ud, &status.scan);
1903                 gtk_progress_bar_set_text (live_progress, status_str);
1904                 gtk_progress_bar_set_fraction (live_progress, status.scan.progress);
1905                 g_free(status_str);
1906         }
1907         if (status.scan.state & GHB_STATE_WORKDONE)
1908         {
1909                 switch( status.scan.error )
1910                 {
1911                         case GHB_ERROR_NONE:
1912                         {
1913                                 ghb_live_encode_done(ud, TRUE);
1914                         } break;
1915                         default:
1916                         {
1917                                 ghb_live_encode_done(ud, FALSE);
1918                         } break;
1919                 }
1920                 ghb_clear_scan_state(GHB_STATE_WORKDONE);
1921         }
1922 }
1923
1924 gboolean
1925 ghb_timer_cb(gpointer data)
1926 {
1927         signal_user_data_t *ud = (signal_user_data_t*)data;
1928
1929         ghb_live_preview_progress(ud);
1930         ghb_backend_events(ud);
1931         if (update_default_destination)
1932         {
1933                 gchar *dest, *dest_dir, *def_dest;
1934                 dest = ghb_settings_get_string(ud->settings, "destination");
1935                 dest_dir = g_path_get_dirname (dest);
1936                 def_dest = ghb_settings_get_string(ud->settings, "destination_dir");
1937                 if (strcmp(dest_dir, def_dest) != 0)
1938                 {
1939                         ghb_settings_set_string (ud->settings, "destination_dir", dest_dir);
1940                         ghb_pref_save (ud->settings, "destination_dir");
1941                 }
1942                 g_free(dest);
1943                 g_free(dest_dir);
1944                 g_free(def_dest);
1945                 update_default_destination = FALSE;
1946         }
1947         if (update_preview)
1948         {
1949                 ghb_set_preview_image (ud);
1950                 update_preview = FALSE;
1951         }
1952         return TRUE;
1953 }
1954
1955 gboolean
1956 ghb_log_cb(GIOChannel *source, GIOCondition cond, gpointer data)
1957 {
1958         gchar *text = NULL;
1959         gsize length;
1960         GtkTextView *textview;
1961         GtkTextBuffer *buffer;
1962         GtkTextIter iter;
1963         GtkTextMark *mark;
1964         GError *gerror = NULL;
1965         GIOStatus status;
1966
1967         signal_user_data_t *ud = (signal_user_data_t*)data;
1968
1969         status = g_io_channel_read_line (source, &text, &length, NULL, &gerror);
1970         if (text != NULL)
1971         {
1972                 GdkWindow *window;
1973                 gint width, height;
1974                 gint x, y;
1975                 gboolean bottom = FALSE;
1976
1977                 textview = GTK_TEXT_VIEW(GHB_WIDGET (ud->builder, "activity_view"));
1978                 buffer = gtk_text_view_get_buffer (textview);
1979                 // I would like to auto-scroll the window when the scrollbar
1980                 // is at the bottom,
1981                 // must determine whether the insert point is at
1982                 // the bottom of the window
1983                 window = gtk_text_view_get_window(textview, GTK_TEXT_WINDOW_TEXT);
1984                 if (window != NULL)
1985                 {
1986                         gdk_drawable_get_size(GDK_DRAWABLE(window), &width, &height);
1987                         gtk_text_view_window_to_buffer_coords(textview,
1988                                 GTK_TEXT_WINDOW_TEXT, width, height, &x, &y);
1989                         gtk_text_view_get_iter_at_location(textview, &iter, x, y);
1990                         if (gtk_text_iter_is_end(&iter))
1991                         {
1992                                 bottom = TRUE;
1993                         }
1994                 }
1995                 else
1996                 {
1997                         // If the window isn't available, assume bottom
1998                         bottom = TRUE;
1999                 }
2000                 gtk_text_buffer_get_end_iter(buffer, &iter);
2001                 gtk_text_buffer_insert(buffer, &iter, text, -1);
2002                 if (bottom)
2003                 {
2004                         gtk_text_buffer_get_end_iter(buffer, &iter);
2005                         mark = gtk_text_buffer_create_mark(buffer, NULL, &iter, FALSE);
2006                         gtk_text_view_scroll_mark_onscreen(textview, mark);
2007                         gtk_text_buffer_delete_mark(buffer, mark);
2008                 }
2009                 g_io_channel_write_chars (ud->activity_log, text,
2010                                                                 length, &length, NULL);
2011                 g_io_channel_flush(ud->activity_log, NULL);
2012                 if (ud->job_activity_log)
2013                 {
2014                         g_io_channel_write_chars (ud->job_activity_log, text,
2015                                                                         length, &length, NULL);
2016                         g_io_channel_flush(ud->job_activity_log, NULL);
2017                 }
2018                 g_free(text);
2019         }
2020         if (status != G_IO_STATUS_NORMAL)
2021         {
2022                 // This should never happen, but if it does I would get into an
2023                 // infinite loop.  Returning false removes this callback.
2024                 g_warning("Error while reading activity from pipe");
2025                 if (gerror != NULL)
2026                 {
2027                         g_warning("%s", gerror->message);
2028                         g_error_free (gerror);
2029                 }
2030                 return FALSE;
2031         }
2032         if (gerror != NULL)
2033                 g_error_free (gerror);
2034         return TRUE;
2035 }
2036
2037 static void
2038 set_visible(GtkWidget *widget, gboolean visible)
2039 {
2040         if (visible)
2041         {
2042                 gtk_widget_show_now(widget);
2043         }
2044         else
2045         {
2046                 gtk_widget_hide(widget);
2047         }
2048 }
2049
2050 void
2051 show_activity_clicked_cb(GtkWidget *xwidget, signal_user_data_t *ud)
2052 {
2053         GtkWidget *widget = GHB_WIDGET (ud->builder, "activity_window");
2054         set_visible(widget, gtk_toggle_tool_button_get_active(
2055                                                 GTK_TOGGLE_TOOL_BUTTON(xwidget)));
2056 }
2057
2058 void
2059 show_activity_menu_clicked_cb(GtkWidget *xwidget, signal_user_data_t *ud)
2060 {
2061         GtkWidget *widget = GHB_WIDGET (ud->builder, "activity_window");
2062         set_visible(widget, TRUE);
2063         widget = GHB_WIDGET (ud->builder, "show_activity");
2064         gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(widget), TRUE);
2065 }
2066
2067 gboolean
2068 activity_window_delete_cb(GtkWidget *xwidget, GdkEvent *event, signal_user_data_t *ud)
2069 {
2070         set_visible(xwidget, FALSE);
2071         GtkWidget *widget = GHB_WIDGET (ud->builder, "show_activity");
2072         gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(widget), FALSE);
2073         return TRUE;
2074 }
2075
2076 void
2077 ghb_log(gchar *log, ...)
2078 {
2079         va_list args;
2080         time_t _now;
2081     struct tm *now;
2082         gchar fmt[362];
2083
2084         _now = time(NULL);
2085         now = localtime( &_now );
2086         snprintf(fmt, 362, "[%02d:%02d:%02d] lingui: %s\n",
2087                         now->tm_hour, now->tm_min, now->tm_sec, log);
2088         va_start(args, log);
2089         vfprintf(stderr, fmt, args);
2090         va_end(args);
2091 }
2092
2093 static void
2094 browse_url(const gchar *url)
2095 {
2096         gboolean result;
2097         char *argv[] =
2098                 {"xdg-open",NULL,NULL,NULL};
2099         argv[1] = (gchar*)url;
2100         result = g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
2101                                 NULL, NULL, NULL);
2102         if (result) return;
2103
2104         argv[0] = "gnome-open";
2105         result = g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
2106                                 NULL, NULL, NULL);
2107         if (result) return;
2108
2109         argv[0] = "kfmclient";
2110         argv[1] = "exec";
2111         argv[2] = "http://trac.handbrake.fr/wiki/HandBrakeGuide";
2112         result = g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
2113                                 NULL, NULL, NULL);
2114         if (result) return;
2115
2116         argv[0] = "firefox";
2117         argv[1] = "http://trac.handbrake.fr/wiki/HandBrakeGuide";
2118         argv[2] = NULL;
2119         result = g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
2120                                 NULL, NULL, NULL);
2121 }
2122
2123 void
2124 about_web_hook(GtkAboutDialog *about, const gchar *link, gpointer data)
2125 {
2126         browse_url(link);
2127 }
2128
2129 void
2130 about_activate_cb(GtkWidget *xwidget, signal_user_data_t *ud)
2131 {
2132         GtkWidget *widget = GHB_WIDGET (ud->builder, "hb_about");
2133         gchar *ver;
2134
2135         ver = g_strdup_printf("%s (%s)", HB_PROJECT_VERSION, HB_PROJECT_BUILD_ARCH);
2136         gtk_about_dialog_set_url_hook(about_web_hook, NULL, NULL);
2137         gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(widget), ver);
2138         g_free(ver);
2139         gtk_about_dialog_set_website(GTK_ABOUT_DIALOG(widget),
2140                                                                 HB_PROJECT_URL_WEBSITE);
2141         gtk_about_dialog_set_website_label(GTK_ABOUT_DIALOG(widget),
2142                                                                                 HB_PROJECT_URL_WEBSITE);
2143         gtk_widget_show (widget);
2144 }
2145
2146 void
2147 guide_activate_cb(GtkWidget *xwidget, signal_user_data_t *ud)
2148 {
2149         browse_url("http://trac.handbrake.fr/wiki/HandBrakeGuide");
2150 }
2151
2152 void
2153 hb_about_response_cb(GtkWidget *widget, gint response, signal_user_data_t *ud)
2154 {
2155         gtk_widget_hide (widget);
2156 }
2157
2158 void
2159 show_queue_clicked_cb(GtkWidget *xwidget, signal_user_data_t *ud)
2160 {
2161         GtkWidget *widget = GHB_WIDGET (ud->builder, "queue_window");
2162         set_visible(widget, gtk_toggle_tool_button_get_active(
2163                                                 GTK_TOGGLE_TOOL_BUTTON(xwidget)));
2164 }
2165
2166 void
2167 show_queue_menu_clicked_cb(GtkWidget *xwidget, signal_user_data_t *ud)
2168 {
2169         GtkWidget *widget = GHB_WIDGET (ud->builder, "queue_window");
2170         set_visible(widget, TRUE);
2171         widget = GHB_WIDGET (ud->builder, "show_queue");
2172         gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(widget), TRUE);
2173 }
2174
2175 gboolean
2176 queue_window_delete_cb(GtkWidget *xwidget, GdkEvent *event, signal_user_data_t *ud)
2177 {
2178         set_visible(xwidget, FALSE);
2179         GtkWidget *widget = GHB_WIDGET (ud->builder, "show_queue");
2180         gtk_toggle_tool_button_set_active(GTK_TOGGLE_TOOL_BUTTON(widget), FALSE);
2181         return TRUE;
2182 }
2183
2184 void
2185 show_presets_toggled_cb(GtkWidget *action, signal_user_data_t *ud)
2186 {
2187         GtkWidget *widget;
2188         GtkWindow *hb_window;
2189
2190         g_debug("show_presets_clicked_cb ()");
2191         widget = GHB_WIDGET (ud->builder, "presets_frame");
2192         ghb_widget_to_setting(ud->settings, action);
2193         if (ghb_settings_get_boolean(ud->settings, "show_presets"))
2194         {
2195                 gtk_widget_show_now(widget);
2196         }
2197         else
2198         {
2199                 gtk_widget_hide(widget);
2200                 hb_window = GTK_WINDOW(GHB_WIDGET (ud->builder, "hb_window"));
2201                 gtk_window_resize(hb_window, 16, 16);
2202         }
2203         ghb_pref_save(ud->settings, "show_presets");
2204 }
2205
2206 static void
2207 update_chapter_list(signal_user_data_t *ud)
2208 {
2209         GtkTreeView *treeview;
2210         GtkTreeIter iter;
2211         GtkListStore *store;
2212         gboolean done;
2213         GValue *chapters;
2214         gint titleindex, ii;
2215         gint count;
2216
2217         g_debug("update_chapter_list ()");
2218         titleindex = ghb_settings_combo_int(ud->settings, "title");
2219         chapters = ghb_get_chapters(titleindex);
2220         count = ghb_array_len(chapters);
2221         if (chapters)
2222                 ghb_settings_set_value(ud->settings, "chapter_list", chapters);
2223
2224         treeview = GTK_TREE_VIEW(GHB_WIDGET(ud->builder, "chapters_list"));
2225         store = GTK_LIST_STORE(gtk_tree_view_get_model(treeview));
2226         ii = 0;
2227         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter))
2228         {
2229                 do
2230                 {
2231
2232                         if (ii < count)
2233                         {
2234                                 gchar *chapter, *duration;
2235                                 gint hh, mm, ss;
2236
2237                                 // Update row with settings data
2238                                 g_debug("Updating row");
2239                                 chapter = ghb_value_string(ghb_array_get_nth(chapters, ii));
2240                                 ghb_get_chapter_duration(titleindex, ii, &hh, &mm, &ss);
2241                                 duration = g_strdup_printf("%02d:%02d:%02d", hh, mm, ss);
2242                                 gtk_list_store_set(store, &iter,
2243                                         0, ii+1,
2244                                         1, duration,
2245                                         2, chapter,
2246                                         3, TRUE,
2247                                         -1);
2248                                 g_free(chapter);
2249                                 g_free(duration);
2250                                 ii++;
2251                                 done = !gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
2252                         }
2253                         else
2254                         {
2255                                 // No more settings data, remove row
2256                                 g_debug("Removing row");
2257                                 done = !gtk_list_store_remove(store, &iter);
2258                         }
2259                 } while (!done);
2260         }
2261         while (ii < count)
2262         {
2263                 gchar *chapter, *duration;
2264                 gint hh, mm, ss;
2265
2266                 // Additional settings, add row
2267                 g_debug("Adding row");
2268                 chapter = ghb_value_string(ghb_array_get_nth(chapters, ii));
2269                 ghb_get_chapter_duration(titleindex, ii, &hh, &mm, &ss);
2270                 duration = g_strdup_printf("%02d:%02d:%02d", hh, mm, ss);
2271                 gtk_list_store_append(store, &iter);
2272                 gtk_list_store_set(store, &iter,
2273                         0, ii+1,
2274                         1, duration,
2275                         2, chapter,
2276                         3, TRUE,
2277                         -1);
2278                 g_free(chapter);
2279                 g_free(duration);
2280                 ii++;
2281         }
2282 }
2283
2284 static gint chapter_edit_key = 0;
2285
2286 gboolean
2287 chapter_keypress_cb(
2288         GhbCellRendererText *cell,
2289         GdkEventKey *event,
2290         signal_user_data_t *ud)
2291 {
2292         chapter_edit_key = event->keyval;
2293         return FALSE;
2294 }
2295
2296 void
2297 chapter_edited_cb(
2298         GhbCellRendererText *cell,
2299         gchar *path,
2300         gchar *text,
2301         signal_user_data_t *ud)
2302 {
2303         GtkTreePath *treepath;
2304         GtkListStore *store;
2305         GtkTreeView *treeview;
2306         GtkTreeIter iter;
2307         gint index;
2308         gint *pi;
2309         gint row;
2310
2311         g_debug("chapter_edited_cb ()");
2312         g_debug("path (%s)", path);
2313         g_debug("text (%s)", text);
2314         treeview = GTK_TREE_VIEW(GHB_WIDGET(ud->builder, "chapters_list"));
2315         store = GTK_LIST_STORE(gtk_tree_view_get_model(treeview));
2316         treepath = gtk_tree_path_new_from_string (path);
2317         pi = gtk_tree_path_get_indices(treepath);
2318         row = pi[0];
2319         gtk_tree_model_get_iter(GTK_TREE_MODEL(store), &iter, treepath);
2320         gtk_list_store_set(store, &iter,
2321                 2, text,
2322                 3, TRUE,
2323                 -1);
2324         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, 0, &index, -1);
2325
2326         const GValue *chapters;
2327         GValue *chapter;
2328
2329         chapters = ghb_settings_get_value(ud->settings, "chapter_list");
2330         chapter = ghb_array_get_nth(chapters, index-1);
2331         g_value_set_string(chapter, text);
2332         if ((chapter_edit_key == GDK_Return || chapter_edit_key == GDK_Down) &&
2333                 gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter))
2334         {
2335                 GtkTreeViewColumn *column;
2336
2337                 gtk_tree_path_next(treepath);
2338                 // When a cell has been edited, I want to advance to the
2339                 // next cell and start editing it automaitcally.
2340                 // Unfortunately, we may not be in a state here where
2341                 // editing is allowed.  This happens when the user selects
2342                 // a new cell with the mouse instead of just hitting enter.
2343                 // Some kind of Gtk quirk.  widget_editable==NULL assertion.
2344                 // Editing is enabled again once the selection event has been
2345                 // processed.  So I'm queueing up a callback to be called
2346                 // when things go idle.  There, I will advance to the next
2347                 // cell and initiate editing.
2348                 //
2349                 // Now, you might be asking why I don't catch the keypress
2350                 // event and determine what action to take based on that.
2351                 // The Gtk developers in their infinite wisdom have made the
2352                 // actual GtkEdit widget being used a private member of
2353                 // GtkCellRendererText, so it can not be accessed to hang a
2354                 // signal handler off of.  And they also do not propagate the
2355                 // keypress signals in any other way.  So that information is lost.
2356                 //g_idle_add((GSourceFunc)next_cell, ud);
2357                 //
2358                 // Keeping the above comment for posterity.
2359                 // I got industrious and made my own CellTextRendererText that
2360                 // passes on the key-press-event. So now I have much better
2361                 // control of this.
2362                 column = gtk_tree_view_get_column(treeview, 2);
2363                 gtk_tree_view_set_cursor(treeview, treepath, column, TRUE);
2364         }
2365         else if (chapter_edit_key == GDK_Up && row > 0)
2366         {
2367                 GtkTreeViewColumn *column;
2368                 gtk_tree_path_prev(treepath);
2369                 column = gtk_tree_view_get_column(treeview, 2);
2370                 gtk_tree_view_set_cursor(treeview, treepath, column, TRUE);
2371         }
2372         gtk_tree_path_free (treepath);
2373 }
2374
2375 void
2376 chapter_list_selection_changed_cb(GtkTreeSelection *selection, signal_user_data_t *ud)
2377 {
2378         g_debug("chapter_list_selection_changed_cb ()");
2379         //chapter_selection_changed = TRUE;
2380 }
2381
2382 void
2383 debug_log_handler(const gchar *domain, GLogLevelFlags flags, const gchar *msg, gpointer data)
2384 {
2385         signal_user_data_t *ud = (signal_user_data_t*)data;
2386
2387         if (ud->debug)
2388         {
2389                 printf("%s: %s\n", domain, msg);
2390         }
2391 }
2392
2393 void
2394 warn_log_handler(const gchar *domain, GLogLevelFlags flags, const gchar *msg, gpointer data)
2395 {
2396         printf("mywarning\n");
2397         printf("%s: %s\n", domain, msg);
2398 }
2399
2400 void
2401 ghb_hbfd(signal_user_data_t *ud, gboolean hbfd)
2402 {
2403         GtkWidget *widget;
2404         g_debug("ghb_hbfd");
2405         widget = GHB_WIDGET(ud->builder, "queue_pause1");
2406         set_visible(widget, !hbfd);
2407         widget = GHB_WIDGET(ud->builder, "queue_add");
2408         set_visible(widget, !hbfd);
2409         widget = GHB_WIDGET(ud->builder, "show_queue");
2410         set_visible(widget, !hbfd);
2411         widget = GHB_WIDGET(ud->builder, "show_activity");
2412         set_visible(widget, !hbfd);
2413
2414         widget = GHB_WIDGET(ud->builder, "chapter_box");
2415         set_visible(widget, !hbfd);
2416         widget = GHB_WIDGET(ud->builder, "container_box");
2417         set_visible(widget, !hbfd);
2418         widget = GHB_WIDGET(ud->builder, "settings_box");
2419         set_visible(widget, !hbfd);
2420         widget = GHB_WIDGET(ud->builder, "presets_save");
2421         set_visible(widget, !hbfd);
2422         widget = GHB_WIDGET(ud->builder, "presets_remove");
2423         set_visible(widget, !hbfd);
2424         widget = GHB_WIDGET (ud->builder, "hb_window");
2425         gtk_window_resize(GTK_WINDOW(widget), 16, 16);
2426
2427 }
2428
2429 void
2430 hbfd_toggled_cb(GtkWidget *widget, signal_user_data_t *ud)
2431 {
2432         g_debug("hbfd_toggled_cb");
2433         ghb_widget_to_setting (ud->settings, widget);
2434         gboolean hbfd = ghb_settings_get_boolean(ud->settings, "hbfd");
2435         ghb_hbfd(ud, hbfd);
2436         ghb_pref_save(ud->settings, "hbfd");
2437 }
2438
2439 void
2440 pref_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
2441 {
2442         g_debug("pref_changed_cb");
2443         ghb_widget_to_setting (ud->settings, widget);
2444         ghb_check_dependency(ud, widget);
2445         const gchar *name = gtk_widget_get_name(widget);
2446         ghb_pref_save(ud->settings, name);
2447 }
2448
2449 void
2450 vqual_granularity_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
2451 {
2452         g_debug("vqual_granularity_changed_cb");
2453         ghb_widget_to_setting (ud->settings, widget);
2454         ghb_check_dependency(ud, widget);
2455
2456         const gchar *name = gtk_widget_get_name(widget);
2457         ghb_pref_save(ud->settings, name);
2458
2459         gdouble vqmin, vqmax, step, page;
2460         gboolean inverted;
2461         gint digits;
2462
2463         ghb_vquality_range(ud, &vqmin, &vqmax, &step, &page, &digits, &inverted);
2464         GtkWidget *qp = GHB_WIDGET(ud->builder, "VideoQualitySlider");
2465         gtk_range_set_increments (GTK_RANGE(qp), step, page);
2466 }
2467
2468 void
2469 tweaks_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
2470 {
2471         g_debug("tweaks_changed_cb");
2472         ghb_widget_to_setting (ud->settings, widget);
2473         const gchar *name = gtk_widget_get_name(widget);
2474         ghb_pref_save(ud->settings, name);
2475 }
2476
2477 void
2478 hbfd_feature_changed_cb(GtkWidget *widget, signal_user_data_t *ud)
2479 {
2480         g_debug("hbfd_feature_changed_cb");
2481         ghb_widget_to_setting (ud->settings, widget);
2482         const gchar *name = gtk_widget_get_name(widget);
2483         ghb_pref_save(ud->settings, name);
2484
2485         gboolean hbfd = ghb_settings_get_boolean(ud->settings, "hbfd_feature");
2486         GtkAction *action;
2487         if (hbfd)
2488         {
2489                 const GValue *val;
2490                 val = ghb_settings_get_value(ud->settings, "hbfd");
2491                 ghb_ui_update(ud, "hbfd", val);
2492         }
2493         action = GHB_ACTION (ud->builder, "hbfd");
2494         gtk_action_set_visible(action, hbfd);
2495 }
2496
2497 void
2498 ghb_file_menu_add_dvd(signal_user_data_t *ud)
2499 {
2500         GList *link, *drives;
2501
2502         GtkActionGroup *agroup = GTK_ACTION_GROUP(
2503                 gtk_builder_get_object(ud->builder, "actiongroup1"));
2504         GtkUIManager *ui = GTK_UI_MANAGER(
2505                 gtk_builder_get_object(ud->builder, "uimanager1"));
2506         guint merge_id = gtk_ui_manager_new_merge_id(ui);
2507
2508         link = drives = dvd_device_list();
2509         while (link != NULL)
2510         {
2511                 gchar *name = (gchar*)link->data;
2512                 // Create action for this drive
2513                 GtkAction *action = gtk_action_new(name, name,
2514                         "Scan this DVD source", "gtk-cdrom");
2515                 // Add action to action group
2516                 gtk_action_group_add_action_with_accel(agroup, action, "");
2517                 // Add to ui manager
2518                 gtk_ui_manager_add_ui(ui, merge_id,
2519                         "ui/menubar1/menuitem1/quit1", name, name,
2520                         GTK_UI_MANAGER_AUTO, TRUE);
2521                 // Connect signal to action (menu item)
2522                 g_signal_connect(action, "activate",
2523                         (GCallback)dvd_source_activate_cb, ud);
2524                 g_free(name);
2525                 link = link->next;
2526         }
2527         g_list_free(drives);
2528
2529         // Add separator
2530         gtk_ui_manager_add_ui(ui, merge_id,
2531                 "ui/menubar1/menuitem1/quit1", "", NULL,
2532                 GTK_UI_MANAGER_AUTO, TRUE);
2533 }
2534
2535 gboolean ghb_is_cd(GDrive *gd);
2536
2537 static GList*
2538 dvd_device_list()
2539 {
2540         GVolumeMonitor *gvm;
2541         GList *drives, *link;
2542         GList *dvd_devices = NULL;
2543
2544         gvm = g_volume_monitor_get ();
2545         drives = g_volume_monitor_get_connected_drives (gvm);
2546         link = drives;
2547         while (link != NULL)
2548         {
2549                 GDrive *gd;
2550
2551                 gd = (GDrive*)link->data;
2552                 if (ghb_is_cd(gd))
2553                 {
2554                         gchar *device;
2555                         device = g_drive_get_identifier(gd, G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
2556                         dvd_devices = g_list_append(dvd_devices, (gpointer)device);
2557                 }
2558                 g_object_unref (gd);
2559                 link = link->next;
2560         }
2561         g_list_free(drives);
2562         return dvd_devices;
2563 }
2564
2565 static LibHalContext *hal_ctx;
2566
2567 gboolean
2568 ghb_is_cd(GDrive *gd)
2569 {
2570         gchar *device;
2571         LibHalDrive *halDrive;
2572         LibHalDriveType dtype;
2573
2574         device = g_drive_get_identifier(gd, G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
2575         halDrive = libhal_drive_from_device_file (hal_ctx, device);
2576         dtype = libhal_drive_get_type(halDrive);
2577         libhal_drive_free(halDrive);
2578         g_free(device);
2579         return (dtype == LIBHAL_DRIVE_TYPE_CDROM);
2580 }
2581
2582 void
2583 drive_changed_cb(GVolumeMonitor *gvm, GDrive *gd, signal_user_data_t *ud)
2584 {
2585         gchar *device;
2586         gint state = ghb_get_scan_state();
2587         static gboolean first_time = TRUE;
2588
2589         if (state != GHB_STATE_IDLE) return;
2590         if (ud->current_dvd_device == NULL) return;
2591         // A drive change event happens when the program initially starts
2592         // and I don't want to automatically scan at that time.
2593         if (first_time)
2594         {
2595                 first_time = FALSE;
2596                 return;
2597         }
2598         device = g_drive_get_identifier(gd, G_VOLUME_IDENTIFIER_KIND_UNIX_DEVICE);
2599
2600         // DVD insertion detected.  Scan it.
2601         if (strcmp(device, ud->current_dvd_device) == 0)
2602         {
2603                 if (g_drive_has_media (gd))
2604                 {
2605                         GtkProgressBar *progress;
2606                         progress = GTK_PROGRESS_BAR(GHB_WIDGET (ud->builder, "progressbar"));
2607                         gtk_progress_bar_set_text (progress, "Scanning ...");
2608                         gtk_progress_bar_set_fraction (progress, 0);
2609                         update_source_label(ud, device);
2610                         prune_logs(ud);
2611                         gint preview_count;
2612                         preview_count = ghb_settings_get_int(ud->settings, "preview_count");
2613                         ghb_backend_scan(device, 0, preview_count);
2614                 }
2615                 else
2616                 {
2617                         prune_logs(ud);
2618                         ghb_backend_scan("/dev/null", 0, 1);
2619                 }
2620         }
2621         g_free(device);
2622 }
2623
2624
2625 static void
2626 dbus_init (void)
2627 {
2628         dbus_g_thread_init();
2629 }
2630
2631 #define GPM_DBUS_SERVICE                        "org.freedesktop.PowerManagement"
2632 #define GPM_DBUS_INHIBIT_PATH           "/org/freedesktop/PowerManagement/Inhibit"
2633 #define GPM_DBUS_INHIBIT_INTERFACE      "org.freedesktop.PowerManagement.Inhibit"
2634 static gboolean gpm_inhibited = FALSE;
2635 static guint gpm_cookie = -1;
2636
2637 void
2638 ghb_inhibit_gpm()
2639 {
2640         DBusGConnection *conn;
2641         DBusGProxy      *proxy;
2642         GError *error = NULL;
2643         gboolean res;
2644
2645
2646         if (gpm_inhibited)
2647         {
2648                 // Already inhibited
2649                 return;
2650         }
2651         g_debug("ghb_inhibit_gpm()");
2652         conn = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
2653         if (error != NULL)
2654         {
2655                 g_debug("DBUS cannot connect: %s", error->message);
2656                 g_error_free(error);
2657                 return;
2658         }
2659         proxy = dbus_g_proxy_new_for_name(conn, GPM_DBUS_SERVICE,
2660                                                         GPM_DBUS_INHIBIT_PATH, GPM_DBUS_INHIBIT_INTERFACE);
2661         if (proxy == NULL)
2662         {
2663                 g_debug("Could not get DBUS proxy: %s", GPM_DBUS_SERVICE);
2664                 dbus_g_connection_unref(conn);
2665                 return;
2666         }
2667         res = dbus_g_proxy_call(proxy, "Inhibit", &error,
2668                                                         G_TYPE_STRING, "ghb",
2669                                                         G_TYPE_STRING, "Encoding",
2670                                                         G_TYPE_INVALID,
2671                                                         G_TYPE_UINT, &gpm_cookie,
2672                                                         G_TYPE_INVALID);
2673         if (!res)
2674         {
2675                 g_warning("Inhibit method failed");
2676                 gpm_cookie = -1;
2677         }
2678         if (error != NULL)
2679         {
2680                 g_warning("Inhibit problem: %s", error->message);
2681                 g_error_free(error);
2682                 gpm_cookie = -1;
2683         }
2684         gpm_inhibited = TRUE;
2685         g_object_unref(G_OBJECT(proxy));
2686         dbus_g_connection_unref(conn);
2687 }
2688
2689 void
2690 ghb_uninhibit_gpm()
2691 {
2692         DBusGConnection *conn;
2693         DBusGProxy      *proxy;
2694         GError *error = NULL;
2695         gboolean res;
2696
2697         g_debug("ghb_uninhibit_gpm() gpm_cookie %u", gpm_cookie);
2698
2699         if (!gpm_inhibited)
2700         {
2701                 // Not inhibited
2702                 return;
2703         }
2704         conn = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
2705         if (error != NULL)
2706         {
2707                 g_debug("DBUS cannot connect: %s", error->message);
2708                 g_error_free(error);
2709                 return;
2710         }
2711         proxy = dbus_g_proxy_new_for_name(conn, GPM_DBUS_SERVICE,
2712                                                         GPM_DBUS_INHIBIT_PATH, GPM_DBUS_INHIBIT_INTERFACE);
2713         if (proxy == NULL)
2714         {
2715                 g_debug("Could not get DBUS proxy: %s", GPM_DBUS_SERVICE);
2716                 dbus_g_connection_unref(conn);
2717                 return;
2718         }
2719         res = dbus_g_proxy_call(proxy, "UnInhibit", &error,
2720                                                         G_TYPE_UINT, gpm_cookie,
2721                                                         G_TYPE_INVALID,
2722                                                         G_TYPE_INVALID);
2723         if (!res)
2724         {
2725                 g_warning("UnInhibit method failed");
2726         }
2727         if (error != NULL)
2728         {
2729                 g_warning("UnInhibit problem: %s", error->message);
2730                 g_error_free(error);
2731         }
2732         gpm_inhibited = FALSE;
2733         dbus_g_connection_unref(conn);
2734         g_object_unref(G_OBJECT(proxy));
2735 }
2736
2737 void
2738 ghb_hal_init()
2739 {
2740         DBusGConnection *gconn;
2741         DBusConnection *conn;
2742         GError *gerror = NULL;
2743         DBusError error;
2744         char **devices;
2745         int nr;
2746
2747         dbus_init ();
2748
2749         if (!(hal_ctx = libhal_ctx_new ())) {
2750                 g_warning ("failed to create a HAL context!");
2751                 return;
2752         }
2753
2754         gconn = dbus_g_bus_get(DBUS_BUS_SYSTEM, &gerror);
2755         if (gerror != NULL)
2756         {
2757                 g_warning("DBUS cannot connect: %s", gerror->message);
2758                 g_error_free(gerror);
2759                 return;
2760         }
2761         conn = dbus_g_connection_get_connection(gconn);
2762         libhal_ctx_set_dbus_connection (hal_ctx, conn);
2763         dbus_error_init (&error);
2764         if (!libhal_ctx_init (hal_ctx, &error)) {
2765                 g_warning ("libhal_ctx_init failed: %s", error.message ? error.message : "unknown");
2766                 dbus_error_free (&error);
2767                 libhal_ctx_free (hal_ctx);
2768                 dbus_g_connection_unref(gconn);
2769                 return;
2770         }
2771
2772         /*
2773          * Do something to ping the HAL daemon - the above functions will
2774          * succeed even if hald is not running, so long as DBUS is.  But we
2775          * want to exit silently if hald is not running, to behave on
2776          * pre-2.6 systems.
2777          */
2778         if (!(devices = libhal_get_all_devices (hal_ctx, &nr, &error))) {
2779                 g_warning ("seems that HAL is not running: %s", error.message ? error.message : "unknown");
2780                 dbus_error_free (&error);
2781
2782                 libhal_ctx_shutdown (hal_ctx, NULL);
2783                 libhal_ctx_free (hal_ctx);
2784                 dbus_g_connection_unref(gconn);
2785                 return;
2786         }
2787
2788         libhal_free_string_array (devices);
2789         dbus_g_connection_unref(gconn);
2790 }
2791
2792 gboolean
2793 tweak_setting_cb(
2794         GtkWidget *widget,
2795         GdkEventButton *event,
2796         signal_user_data_t *ud)
2797 {
2798         const gchar *name;
2799         gchar *tweak_name;
2800         gboolean ret = FALSE;
2801         gboolean allow_tweaks;
2802
2803         g_debug("press %d %d", event->type, event->button);
2804         allow_tweaks = ghb_settings_get_boolean(ud->settings, "allow_tweaks");
2805         if (allow_tweaks && event->type == GDK_BUTTON_PRESS && event->button == 3)
2806         { // Its a right mouse click
2807                 GtkWidget *dialog;
2808                 GtkEntry *entry;
2809                 GtkResponseType response;
2810                 gchar *tweak = NULL;
2811
2812                 name = gtk_widget_get_name(widget);
2813                 if (g_str_has_prefix(name, "tweak_"))
2814                 {
2815                         tweak_name = g_strdup(name);
2816                 }
2817                 else
2818                 {
2819                         tweak_name = g_strdup_printf("tweak_%s", name);
2820                 }
2821
2822                 tweak = ghb_settings_get_string (ud->settings, tweak_name);
2823                 dialog = GHB_WIDGET(ud->builder, "tweak_dialog");
2824                 gtk_window_set_title(GTK_WINDOW(dialog), tweak_name);
2825                 entry = GTK_ENTRY(GHB_WIDGET(ud->builder, "tweak_setting"));
2826                 if (tweak)
2827                 {
2828                         gtk_entry_set_text(entry, tweak);
2829                         g_free(tweak);
2830                 }
2831                 response = gtk_dialog_run(GTK_DIALOG(dialog));
2832                 gtk_widget_hide(dialog);
2833                 if (response == GTK_RESPONSE_OK)
2834                 {
2835                         tweak = (gchar*)gtk_entry_get_text(entry);
2836                         if (ghb_validate_filter_string(tweak, -1))
2837                                 ghb_settings_set_string(ud->settings, tweak_name, tweak);
2838                         else
2839                         {
2840                                 gchar *message;
2841                                 message = g_strdup_printf(
2842                                                         "Invalid Settings:\n%s",
2843                                                         tweak);
2844                                 ghb_message_dialog(GTK_MESSAGE_ERROR, message, "Cancel", NULL);
2845                                 g_free(message);
2846                         }
2847                 }
2848                 g_free(tweak_name);
2849                 ret = TRUE;
2850         }
2851         return ret;
2852 }
2853
2854 gboolean
2855 easter_egg_cb(
2856         GtkWidget *widget,
2857         GdkEventButton *event,
2858         signal_user_data_t *ud)
2859 {
2860         g_debug("press %d %d", event->type, event->button);
2861         if (event->type == GDK_3BUTTON_PRESS && event->button == 1)
2862         { // Its a tripple left mouse button click
2863                 GtkWidget *widget;
2864                 widget = GHB_WIDGET(ud->builder, "allow_tweaks");
2865                 gtk_widget_show(widget);
2866                 widget = GHB_WIDGET(ud->builder, "hbfd_feature");
2867                 gtk_widget_show(widget);
2868         }
2869         else if (event->type == GDK_BUTTON_PRESS && event->button == 1)
2870         {
2871                 GtkWidget *widget;
2872                 widget = GHB_WIDGET(ud->builder, "allow_tweaks");
2873                 gtk_widget_hide(widget);
2874                 widget = GHB_WIDGET(ud->builder, "hbfd_feature");
2875                 gtk_widget_hide(widget);
2876         }
2877         return FALSE;
2878 }
2879
2880 gchar*
2881 format_deblock_cb(GtkScale *scale, gdouble val, signal_user_data_t *ud)
2882 {
2883         if (val < 5.0)
2884         {
2885                 return g_strdup_printf("Off");
2886         }
2887         else
2888         {
2889                 return g_strdup_printf("%d", (gint)val);
2890         }
2891 }
2892
2893 gchar*
2894 format_drc_cb(GtkScale *scale, gdouble val, signal_user_data_t *ud)
2895 {
2896         if (val <= 0.0)
2897         {
2898                 return g_strdup_printf("Off");
2899         }
2900         else
2901         {
2902                 return g_strdup_printf("%.1f", val);
2903         }
2904 }
2905
2906 gchar*
2907 format_vquality_cb(GtkScale *scale, gdouble val, signal_user_data_t *ud)
2908 {
2909         gdouble percent;
2910
2911         gint vcodec = ghb_settings_combo_int(ud->settings, "VideoEncoder");
2912         switch (vcodec)
2913         {
2914                 case HB_VCODEC_X264:
2915                 {
2916                         gboolean crf;
2917                         crf = ghb_settings_get_boolean(ud->settings, "constant_rate_factor");
2918                         percent = 100. * (51 - val) / 51.;
2919                         if (crf)
2920                                 return g_strdup_printf("RF: %.4g (%.0f%%)", val, percent);
2921                         else
2922                                 return g_strdup_printf("QP: %.4g (%.0f%%)", val, percent);
2923                 } break;
2924
2925                 case HB_VCODEC_XVID:
2926                 case HB_VCODEC_FFMPEG:
2927                 {
2928                         percent = 100. * (30 - (val - 1)) / 30.;
2929                         return g_strdup_printf("QP: %d (%.0f%%)", (int)val, percent);
2930                 } break;
2931
2932                 case HB_VCODEC_THEORA:
2933                 {
2934                         percent = 100. * val / 63.;
2935                         return g_strdup_printf("QP: %d (%.0f%%)", (int)val, percent);
2936                 } break;
2937
2938                 default:
2939                 {
2940                         percent = 0;
2941                 } break;
2942         }
2943         return g_strdup_printf("QP: %.1f / %.1f%%", val, percent);
2944 }
2945
2946 static void
2947 html_link_cb(GtkHTML *html, const gchar *url, signal_user_data_t *ud)
2948 {
2949         browse_url(url);
2950 }
2951
2952 static gpointer check_stable_update(signal_user_data_t *ud);
2953 static gboolean stable_update_lock = FALSE;
2954
2955 static void
2956 process_appcast(signal_user_data_t *ud)
2957 {
2958         gchar *description = NULL, *build = NULL, *version = NULL, *msg;
2959         GtkWidget *html, *window, *dialog, *label;
2960         gint    response, ibuild = 0, skip;
2961
2962         if (ud->appcast == NULL || ud->appcast_len < 15 ||
2963                 strncmp(&(ud->appcast[9]), "200 OK", 6))
2964         {
2965                 if (!stable_update_lock && hb_get_build(NULL) % 100)
2966                         g_idle_add((GSourceFunc)check_stable_update, ud);
2967                 goto done;
2968         }
2969         ghb_appcast_parse(ud->appcast, &description, &build, &version);
2970         if (build)
2971                 ibuild = g_strtod(build, NULL);
2972         skip = ghb_settings_get_int(ud->settings, "update_skip_version");
2973         if (description == NULL || build == NULL || version == NULL
2974                 || ibuild <= hb_get_build(NULL) || skip == ibuild)
2975         {
2976                 if (!stable_update_lock && hb_get_build(NULL) % 100)
2977                         g_thread_create((GThreadFunc)check_stable_update, ud, FALSE, NULL);
2978                 goto done;
2979         }
2980         msg = g_strdup_printf("HandBrake %s/%s is now available (you have %s/%d).",
2981                         version, build, hb_get_version(NULL), hb_get_build(NULL));
2982         label = GHB_WIDGET(ud->builder, "update_message");
2983         gtk_label_set_text(GTK_LABEL(label), msg);
2984         html = gtk_html_new_from_string(description, -1);
2985         g_signal_connect(html, "link_clicked", G_CALLBACK(html_link_cb), ud);
2986         window = GHB_WIDGET(ud->builder, "update_scroll");
2987         gtk_container_add(GTK_CONTAINER(window), html);
2988         // Show it
2989         dialog = GHB_WIDGET(ud->builder, "update_dialog");
2990         gtk_widget_set_size_request(html, 420, 240);
2991         gtk_widget_show(html);
2992         response = gtk_dialog_run(GTK_DIALOG(dialog));
2993         gtk_widget_hide(dialog);
2994         gtk_widget_destroy(html);
2995         if (response == GTK_RESPONSE_OK)
2996         {
2997                 // Skip
2998                 ghb_settings_set_int(ud->settings, "update_skip_version", ibuild);
2999                 ghb_pref_save(ud->settings, "update_skip_version");
3000         }
3001         g_free(msg);
3002
3003 done:
3004         if (description) g_free(description);
3005         if (build) g_free(build);
3006         if (version) g_free(version);
3007         g_free(ud->appcast);
3008         ud->appcast_len = 0;
3009         ud->appcast = NULL;
3010 }
3011
3012 void
3013 ghb_net_close(GIOChannel *ioc)
3014 {
3015         gint fd;
3016
3017         g_debug("ghb_net_close");
3018         if (ioc == NULL) return;
3019         fd = g_io_channel_unix_get_fd(ioc);
3020         close(fd);
3021         g_io_channel_unref(ioc);
3022 }
3023
3024 gboolean
3025 ghb_net_recv_cb(GIOChannel *ioc, GIOCondition cond, gpointer data)
3026 {
3027         gchar buf[2048];
3028         gsize len;
3029         GError *gerror = NULL;
3030         GIOStatus status;
3031
3032         g_debug("ghb_net_recv_cb");
3033         signal_user_data_t *ud = (signal_user_data_t*)data;
3034
3035         status = g_io_channel_read_chars (ioc, buf, 2048, &len, &gerror);
3036         if ((status == G_IO_STATUS_NORMAL || status == G_IO_STATUS_EOF) &&
3037                 len > 0)
3038         {
3039                 gint new_len = ud->appcast_len + len;
3040                 ud->appcast = g_realloc(ud->appcast, new_len + 1);
3041                 memcpy(&(ud->appcast[ud->appcast_len]), buf, len);
3042                 ud->appcast_len = new_len;
3043         }
3044         if (status == G_IO_STATUS_EOF)
3045         {
3046                 ud->appcast[ud->appcast_len] = 0;
3047                 ghb_net_close(ioc);
3048                 process_appcast(ud);
3049                 return FALSE;
3050         }
3051         return TRUE;
3052 }
3053
3054 GIOChannel*
3055 ghb_net_open(signal_user_data_t *ud, gchar *address, gint port)
3056 {
3057         GIOChannel *ioc;
3058         gint fd;
3059
3060         struct sockaddr_in   sock;
3061         struct hostent     * host;
3062
3063         g_debug("ghb_net_open");
3064         if( !( host = gethostbyname( address ) ) )
3065         {
3066                 g_warning( "gethostbyname failed (%s)", address );
3067                 return NULL;
3068         }
3069
3070         memset( &sock, 0, sizeof( struct sockaddr_in ) );
3071         sock.sin_family = host->h_addrtype;
3072         sock.sin_port   = htons( port );
3073         memcpy( &sock.sin_addr, host->h_addr, host->h_length );
3074
3075         fd = socket(host->h_addrtype, SOCK_STREAM, 0);
3076         if( fd < 0 )
3077         {
3078                 g_debug( "socket failed" );
3079                 return NULL;
3080         }
3081
3082         if(connect(fd, (struct sockaddr*)&sock, sizeof(struct sockaddr_in )) < 0 )
3083         {
3084                 g_debug( "connect failed" );
3085                 return NULL;
3086         }
3087         ioc = g_io_channel_unix_new(fd);
3088         g_io_channel_set_encoding (ioc, NULL, NULL);
3089         g_io_channel_set_flags(ioc, G_IO_FLAG_NONBLOCK, NULL);
3090         g_io_add_watch (ioc, G_IO_IN, ghb_net_recv_cb, (gpointer)ud );
3091
3092         return ioc;
3093 }
3094
3095 gpointer
3096 ghb_check_update(signal_user_data_t *ud)
3097 {
3098         gchar *query;
3099         gsize len;
3100         GIOChannel *ioc;
3101         GError *gerror = NULL;
3102
3103         g_debug("ghb_check_update");
3104         if (hb_get_build(NULL) % 100)
3105         {
3106         query =
3107                 "GET /appcast_unstable.xml HTTP/1.0\r\nHost: handbrake.fr\r\n\r\n";
3108         }
3109         else
3110         {
3111                 stable_update_lock = TRUE;
3112         query = "GET /appcast.xml HTTP/1.0\r\nHost: handbrake.fr\r\n\r\n";
3113         }
3114         ioc = ghb_net_open(ud, "handbrake.fr", 80);
3115         if (ioc == NULL)
3116                 return NULL;
3117
3118         g_io_channel_write_chars(ioc, query, strlen(query), &len, &gerror);
3119         g_io_channel_flush(ioc, &gerror);
3120         // This function is initiated by g_idle_add.  Must return false
3121         // so that it is not called again
3122         return NULL;
3123 }
3124
3125 static gpointer
3126 check_stable_update(signal_user_data_t *ud)
3127 {
3128         gchar *query;
3129         gsize len;
3130         GIOChannel *ioc;
3131         GError *gerror = NULL;
3132
3133         g_debug("check_stable_update");
3134         stable_update_lock = TRUE;
3135         query = "GET /appcast.xml HTTP/1.0\r\nHost: handbrake.fr\r\n\r\n";
3136         ioc = ghb_net_open(ud, "handbrake.fr", 80);
3137         if (ioc == NULL)
3138                 return NULL;
3139
3140         g_io_channel_write_chars(ioc, query, strlen(query), &len, &gerror);
3141         g_io_channel_flush(ioc, &gerror);
3142         // This function is initiated by g_idle_add.  Must return false
3143         // so that it is not called again
3144         return NULL;
3145 }
3146