git.maemo.org Git - modest/blob - src/widgets/modest-header-view.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <glib/gi18n.h>
  31 #include <tny-list.h>
  32 #include <tny-simple-list.h>
  33 #include <tny-folder-monitor.h>
  34 #include <string.h>
  35
  36 #include <modest-header-view.h>
  37 #include <modest-header-view-priv.h>
  38 #include <modest-dnd.h>
  39
  40 #include <modest-marshal.h>
  41 #include <modest-text-utils.h>
  42 #include <modest-icon-names.h>
  43 #include <modest-runtime.h>
  44
  45 static void modest_header_view_class_init  (ModestHeaderViewClass *klass);
  46 static void modest_header_view_init        (ModestHeaderView *obj);
  47 static void modest_header_view_finalize    (GObject *obj);
  48
  49 static gboolean      on_header_clicked      (GtkWidget *widget,
  50                                             GdkEventButton *event,
  51                                             gpointer user_data);
  52
  53 static gint          cmp_rows               (GtkTreeModel *tree_model,
  54                                              GtkTreeIter *iter1,
  55                                              GtkTreeIter *iter2,
  56                                              gpointer user_data);
  57
  58 static void          on_selection_changed   (GtkTreeSelection *sel,
  59                                              gpointer user_data);
  60
  61 static void          setup_drag_and_drop    (GtkTreeView *self);
  62
  63 static GtkTreePath * get_selected_row       (GtkTreeView *self, GtkTreeModel **model);
  64
  65
  66 typedef struct _ModestHeaderViewPrivate ModestHeaderViewPrivate;
  67 struct _ModestHeaderViewPrivate {
  68         TnyFolder            *folder;
  69         ModestHeaderViewStyle style;
  70
  71         TnyFolderMonitor     *monitor;
  72         GMutex               *monitor_lock;
  73 };
  74
  75 #define MODEST_HEADER_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  76                                                 MODEST_TYPE_HEADER_VIEW, \
  77                                                 ModestHeaderViewPrivate))
  78
  79
  80
  81 #define MODEST_HEADER_VIEW_PTR "modest-header-view"
  82
  83 enum {
  84         HEADER_SELECTED_SIGNAL,
  85         HEADER_ACTIVATED_SIGNAL,
  86         ITEM_NOT_FOUND_SIGNAL,
  87         STATUS_UPDATE_SIGNAL,
  88         LAST_SIGNAL
  89 };
  90
  91 /* globals */
  92 static GObjectClass *parent_class = NULL;
  93
  94 /* uncomment the following if you have defined any signals */
  95 static guint signals[LAST_SIGNAL] = {0};
  96
  97 GType
  98 modest_header_view_get_type (void)
  99 {
 100         static GType my_type = 0;
 101         if (!my_type) {
 102                 static const GTypeInfo my_info = {
 103                         sizeof(ModestHeaderViewClass),
 104                         NULL,           /* base init */
 105                         NULL,           /* base finalize */
 106                         (GClassInitFunc) modest_header_view_class_init,
 107                         NULL,           /* class finalize */
 108                         NULL,           /* class data */
 109                         sizeof(ModestHeaderView),
 110                         1,              /* n_preallocs */
 111                         (GInstanceInitFunc) modest_header_view_init,
 112                         NULL
 113                 };
 114                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 115                                                   "ModestHeaderView",
 116                                                   &my_info, 0);
 117         }
 118         return my_type;
 119 }
 120
 121 static void
 122 modest_header_view_class_init (ModestHeaderViewClass *klass)
 123 {
 124         GObjectClass *gobject_class;
 125         gobject_class = (GObjectClass*) klass;
 126
 127         parent_class            = g_type_class_peek_parent (klass);
 128         gobject_class->finalize = modest_header_view_finalize;
 129
 130         g_type_class_add_private (gobject_class, sizeof(ModestHeaderViewPrivate));
 131
 132         signals[HEADER_SELECTED_SIGNAL] =
 133                 g_signal_new ("header_selected",
 134                               G_TYPE_FROM_CLASS (gobject_class),
 135                               G_SIGNAL_RUN_FIRST,
 136                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_selected),
 137                               NULL, NULL,
 138                               g_cclosure_marshal_VOID__POINTER,
 139                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 140
 141         signals[HEADER_ACTIVATED_SIGNAL] =
 142                 g_signal_new ("header_activated",
 143                               G_TYPE_FROM_CLASS (gobject_class),
 144                               G_SIGNAL_RUN_FIRST,
 145                               G_STRUCT_OFFSET (ModestHeaderViewClass,header_activated),
 146                               NULL, NULL,
 147                               g_cclosure_marshal_VOID__POINTER,
 148                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 149
 150
 151         signals[ITEM_NOT_FOUND_SIGNAL] =
 152                 g_signal_new ("item_not_found",
 153                               G_TYPE_FROM_CLASS (gobject_class),
 154                               G_SIGNAL_RUN_FIRST,
 155                               G_STRUCT_OFFSET (ModestHeaderViewClass,item_not_found),
 156                               NULL, NULL,
 157                               g_cclosure_marshal_VOID__INT,
 158                               G_TYPE_NONE, 1, G_TYPE_INT);
 159
 160         signals[STATUS_UPDATE_SIGNAL] =
 161                 g_signal_new ("status_update",
 162                               G_TYPE_FROM_CLASS (gobject_class),
 163                               G_SIGNAL_RUN_FIRST,
 164                               G_STRUCT_OFFSET (ModestHeaderViewClass,status_update),
 165                               NULL, NULL,
 166                               modest_marshal_VOID__STRING_INT_INT,
 167                               G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
 168 }
 169
 170 static GtkTreeViewColumn*
 171 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 172                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 173                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 174 {
 175         GtkTreeViewColumn *column;
 176
 177         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 178         gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
 179
 180         gtk_tree_view_column_set_resizable (column, resizable);
 181         if (resizable)
 182                 gtk_tree_view_column_set_expand (column, TRUE);
 183
 184         if (show_as_text)
 185                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 186                                                     sort_col_id);
 187         if (sort_col_id >= 0)
 188                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 189
 190         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 191         gtk_tree_view_column_set_reorderable (column, TRUE);
 192
 193         if (cell_data_func)
 194                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 195                                                         user_data, NULL);
 196         return column;
 197 }
 198
 199
 200
 201
 202 static void
 203 remove_all_columns (ModestHeaderView *obj)
 204 {
 205         GList *columns, *cursor;
 206
 207         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 208
 209         for (cursor = columns; cursor; cursor = cursor->next)
 210                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 211                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 212         g_list_free (columns);
 213 }
 214
 215 gboolean
 216 modest_header_view_set_columns (ModestHeaderView *self, const GList *columns)
 217 {
 218         GtkTreeModel *sortable;
 219         GtkTreeViewColumn *column=NULL;
 220         GtkTreeSelection *selection = NULL;
 221         GtkCellRenderer *renderer_msgtype,*renderer_header,
 222                 *renderer_attach,  *renderer_comptact_flag,
 223                 *renderer_compact_date;
 224         ModestHeaderViewPrivate *priv;
 225         const GList *cursor;
 226
 227         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 228
 229         /* FIXME: check whether these renderers need to be freed */
 230         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 231         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 232         renderer_header  = gtk_cell_renderer_text_new ();
 233         renderer_comptact_flag  = gtk_cell_renderer_pixbuf_new ();
 234         renderer_compact_date  = gtk_cell_renderer_text_new ();
 235
 236         g_object_set(G_OBJECT(renderer_compact_date),
 237                      "xalign", 1.0,
 238                      NULL);
 239
 240         remove_all_columns (self);
 241
 242         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 243         gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE);
 244         sortable = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 245
 246         /* Add new columns */
 247         for (cursor = columns; cursor; cursor = g_list_next(cursor)) {
 248                 ModestHeaderViewColumn col =
 249                         (ModestHeaderViewColumn) GPOINTER_TO_INT(cursor->data);
 250
 251                 if (0> col || col >= MODEST_HEADER_VIEW_COLUMN_NUM) {
 252                         g_printerr ("modest: invalid column %d in column list\n", col);
 253                         continue;
 254                 }
 255
 256                 switch (col) {
 257
 258                 case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
 259                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 260                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 261                                                  FALSE,
 262                                                  (GtkTreeCellDataFunc)_modest_header_view_msgtype_cell_data,
 263                                                  NULL);
 264                         gtk_tree_view_column_set_fixed_width (column, 45);
 265                         break;
 266
 267                 case MODEST_HEADER_VIEW_COLUMN_ATTACH:
 268                         column = get_new_column (_("A"), renderer_attach, FALSE,
 269                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 270                                                  FALSE,
 271                                                  (GtkTreeCellDataFunc)_modest_header_view_attach_cell_data,
 272                                                  NULL);
 273                         gtk_tree_view_column_set_fixed_width (column, 45);
 274                         break;
 275
 276
 277                 case MODEST_HEADER_VIEW_COLUMN_FROM:
 278                         column = get_new_column (_("From"), renderer_header, TRUE,
 279                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 280                                                  TRUE,
 281                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 282                                                  GINT_TO_POINTER(TRUE));
 283                         break;
 284
 285                 case MODEST_HEADER_VIEW_COLUMN_TO:
 286                         column = get_new_column (_("To"), renderer_header, TRUE,
 287                                                  TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN,
 288                                                  TRUE,
 289                                                  (GtkTreeCellDataFunc)_modest_header_view_sender_receiver_cell_data,
 290                                                  GINT_TO_POINTER(FALSE));
 291                         break;
 292
 293                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_FLAG:
 294                         column = get_new_column (_("F"), renderer_comptact_flag, FALSE,
 295                                                  TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN,
 296                                                  FALSE,
 297                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_flag_cell_data,
 298                                                  NULL);
 299                         gtk_tree_view_column_set_fixed_width (column, 45);
 300                         break;
 301
 302                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 303                         column = get_new_column (_("Header"), renderer_header, TRUE,
 304                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 305                                                  TRUE,
 306                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 307                                                  GINT_TO_POINTER(TRUE));
 308                         break;
 309
 310                 case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 311                         column = get_new_column (_("Header"), renderer_header, TRUE,
 312                                                  TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN,
 313                                                  TRUE,
 314                                                  (GtkTreeCellDataFunc)_modest_header_view_compact_header_cell_data,
 315                                                  GINT_TO_POINTER(FALSE));
 316                         break;
 317
 318
 319                 case MODEST_HEADER_VIEW_COLUMN_SUBJECT:
 320                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 321                                                  TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 322                                                  TRUE,
 323                                                  (GtkTreeCellDataFunc)_modest_header_view_header_cell_data,
 324                                                  NULL);
 325                         break;
 326
 327                 case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 328                         column = get_new_column (_("Received"), renderer_compact_date, TRUE,
 329                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 330                                                  TRUE,
 331                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 332                                                  GINT_TO_POINTER(TRUE));
 333                         break;
 334
 335                 case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 336                         column = get_new_column (_("Sent"), renderer_compact_date, TRUE,
 337                                                  TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 338                                                  TRUE,
 339                                                  (GtkTreeCellDataFunc)_modest_header_view_date_cell_data,
 340                                                  GINT_TO_POINTER(FALSE));
 341                         break;
 342
 343                 case MODEST_HEADER_VIEW_COLUMN_SIZE:
 344                         column = get_new_column (_("Size"), renderer_header, TRUE,
 345                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 346                                                  FALSE,
 347                                                  (GtkTreeCellDataFunc)_modest_header_view_size_cell_data,
 348                                                  NULL);
 349                         break;
 350                 case MODEST_HEADER_VIEW_COLUMN_STATUS:
 351                         column = get_new_column (_("Status"), renderer_compact_date, TRUE,
 352                                                  TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN,
 353                                                  FALSE,
 354                                                  (GtkTreeCellDataFunc)_modest_header_view_status_cell_data,
 355                                                  NULL);
 356                         break;
 357
 358                 default:
 359                         g_return_val_if_reached(FALSE);
 360                 }
 361
 362                 if (sortable)
 363                         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 364                                                          col, (GtkTreeIterCompareFunc)cmp_rows,
 365                                                          column, NULL);
 366
 367                 /* we keep the column id around */
 368                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_COLUMN,
 369                                    GINT_TO_POINTER(col));
 370
 371                 /* we need this ptr when sorting the rows */
 372                 g_object_set_data (G_OBJECT(column), MODEST_HEADER_VIEW_PTR,
 373                                    self);
 374                 gtk_tree_view_append_column (GTK_TREE_VIEW(self), column);
 375         }
 376
 377         return TRUE;
 378 }
 379
 380 static void
 381 modest_header_view_init (ModestHeaderView *obj)
 382 {
 383         ModestHeaderViewPrivate *priv;
 384
 385         priv = MODEST_HEADER_VIEW_GET_PRIVATE(obj);
 386
 387         priv->folder  = NULL;
 388
 389         priv->monitor        = NULL;
 390         priv->monitor_lock   = g_mutex_new ();
 391
 392
 393         setup_drag_and_drop (GTK_TREE_VIEW (obj));
 394 }
 395
 396 static void
 397 modest_header_view_finalize (GObject *obj)
 398 {
 399         ModestHeaderView        *self;
 400         ModestHeaderViewPrivate *priv;
 401
 402         self = MODEST_HEADER_VIEW(obj);
 403         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 404
 405         g_mutex_lock (priv->monitor_lock);
 406         if (priv->monitor) {
 407                 tny_folder_monitor_stop (priv->monitor);
 408                 g_object_unref (G_OBJECT (priv->monitor));
 409         }
 410         g_mutex_unlock (priv->monitor_lock);
 411         g_mutex_free (priv->monitor_lock);
 412
 413         if (priv->folder) {
 414                 g_object_unref (G_OBJECT (priv->folder));
 415                 priv->folder   = NULL;
 416         }
 417
 418         G_OBJECT_CLASS(parent_class)->finalize (obj);
 419 }
 420
 421
 422 GtkWidget*
 423 modest_header_view_new (TnyFolder *folder, ModestHeaderViewStyle style)
 424 {
 425         GObject *obj;
 426         GtkTreeSelection *sel;
 427         ModestHeaderView *self;
 428         ModestHeaderViewPrivate *priv;
 429
 430         g_return_val_if_fail (style >= 0 && style < MODEST_HEADER_VIEW_STYLE_NUM,
 431                               NULL);
 432
 433         obj  = G_OBJECT(g_object_new(MODEST_TYPE_HEADER_VIEW, NULL));
 434         self = MODEST_HEADER_VIEW(obj);
 435         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 436
 437         modest_header_view_set_style   (self, style);
 438         modest_header_view_set_folder (self, NULL);
 439
 440         gtk_tree_view_columns_autosize (GTK_TREE_VIEW(obj));
 441         gtk_tree_view_set_fixed_height_mode (GTK_TREE_VIEW(obj),TRUE);
 442         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), TRUE);
 443
 444         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 445                                       TRUE); /* alternating row colors */
 446         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 447
 448         g_signal_connect (sel, "changed",
 449                           G_CALLBACK(on_selection_changed), self);
 450
 451         g_signal_connect (self, "button-press-event",
 452                           G_CALLBACK(on_header_clicked), NULL);
 453
 454         return GTK_WIDGET(self);
 455 }
 456
 457
 458 TnyList *
 459 modest_header_view_get_selected_headers (ModestHeaderView *self)
 460 {
 461         GtkTreeSelection *sel;
 462         ModestHeaderViewPrivate *priv;
 463         TnyList *header_list = NULL;
 464         TnyHeader *header;
 465         GList *list, *tmp = NULL;
 466         GtkTreeModel *tree_model = NULL;
 467         GtkTreeIter iter;
 468
 469         g_return_val_if_fail (self, NULL);
 470
 471         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 472
 473         /* Get selected rows */
 474         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 475         list = gtk_tree_selection_get_selected_rows (sel, &tree_model);
 476
 477         if (list) {
 478                 header_list = tny_simple_list_new();
 479
 480                 list = g_list_reverse (list);
 481                 tmp = list;
 482                 while (tmp) {
 483                         /* get header from selection */
 484                         gtk_tree_model_get_iter (tree_model, &iter, (GtkTreePath *) (tmp->data));
 485                         gtk_tree_model_get (tree_model, &iter,
 486                                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 487                                             &header, -1);
 488                         /* Prepend to list */
 489                         tny_list_prepend (header_list, G_OBJECT (header));
 490                         g_object_unref (G_OBJECT (header));
 491
 492                         tmp = g_list_next (tmp);
 493                 }
 494                 /* Clean up*/
 495                 g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
 496                 g_list_free (list);
 497         }
 498         return header_list;
 499 }
 500
 501
 502 /* scroll our list view so the selected item is visible */
 503 static void
 504 scroll_to_selected (ModestHeaderView *self, GtkTreeIter *iter, gboolean up)
 505 {
 506 #ifdef MODEST_PLATFORM_GNOME
 507
 508         GtkTreePath *selected_path;
 509         GtkTreePath *start, *end;
 510
 511         GtkTreeModel *model;
 512
 513         model         = gtk_tree_view_get_model (GTK_TREE_VIEW(self));
 514         selected_path = gtk_tree_model_get_path (model, iter);
 515
 516         start = gtk_tree_path_new ();
 517         end   = gtk_tree_path_new ();
 518
 519         gtk_tree_view_get_visible_range (GTK_TREE_VIEW(self), &start, &end);
 520
 521         if (gtk_tree_path_compare (selected_path, start) < 0 ||
 522             gtk_tree_path_compare (end, selected_path) < 0)
 523                 gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW(self),
 524                                               selected_path, NULL, TRUE,
 525                                               up ? 0.0 : 1.0,
 526                                               up ? 0.0 : 1.0);
 527         gtk_tree_path_free (selected_path);
 528         gtk_tree_path_free (start);
 529         gtk_tree_path_free (end);
 530
 531 #endif /* MODEST_PLATFORM_GNOME */
 532 }
 533
 534
 535 void
 536 modest_header_view_select_next (ModestHeaderView *self)
 537 {
 538         GtkTreeSelection *sel;
 539         GtkTreeIter iter;
 540         GtkTreeModel *model;
 541         GtkTreePath *path;
 542
 543         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 544         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 545         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 546                 /* Unselect previous path */
 547                 gtk_tree_selection_unselect_path (sel, path);
 548
 549                 /* Move path down and selects new one  */
 550                 if (gtk_tree_model_iter_next (model, &iter)) {
 551                         gtk_tree_selection_select_iter (sel, &iter);
 552                         scroll_to_selected (self, &iter, FALSE);
 553                 }
 554                 gtk_tree_path_free(path);
 555         }
 556
 557 }
 558
 559 void
 560 modest_header_view_select_prev (ModestHeaderView *self)
 561 {
 562         GtkTreeSelection *sel;
 563         GtkTreeIter iter;
 564         GtkTreeModel *model;
 565         GtkTreePath *path;
 566
 567         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 568         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 569         if ((path != NULL) && (gtk_tree_model_get_iter(model, &iter, path))) {
 570                 /* Unselect previous path */
 571                 gtk_tree_selection_unselect_path (sel, path);
 572
 573                 /* Move path up */
 574                 if (gtk_tree_path_prev (path)) {
 575                         gtk_tree_model_get_iter (model, &iter, path);
 576
 577                         /* Select the new one */
 578                         gtk_tree_selection_select_iter (sel, &iter);
 579                         scroll_to_selected (self, &iter, TRUE);
 580
 581                 }
 582                 gtk_tree_path_free (path);
 583         }
 584 }
 585
 586 GList*
 587 modest_header_view_get_columns (ModestHeaderView *self)
 588 {
 589         g_return_val_if_fail (self, FALSE);
 590         return gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 591 }
 592
 593 gboolean
 594 modest_header_view_is_empty (ModestHeaderView *self)
 595 {
 596         g_return_val_if_fail (self, FALSE);
 597         return FALSE; /* FIXME */
 598 }
 599
 600
 601 gboolean
 602 modest_header_view_set_style (ModestHeaderView *self,
 603                               ModestHeaderViewStyle style)
 604 {
 605         ModestHeaderViewPrivate *priv;
 606         gboolean show_col_headers = FALSE;
 607         ModestHeaderViewStyle old_style;
 608
 609         g_return_val_if_fail (self, FALSE);
 610         g_return_val_if_fail (style >= 0 && MODEST_HEADER_VIEW_STYLE_NUM,
 611                               FALSE);
 612
 613         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 614         if (priv->style == style)
 615                 return TRUE; /* nothing to do */
 616
 617         switch (style) {
 618         case MODEST_HEADER_VIEW_STYLE_DETAILS:
 619                 show_col_headers = TRUE;
 620                 break;
 621         case MODEST_HEADER_VIEW_STYLE_TWOLINES:
 622                 break;
 623         default:
 624                 g_return_val_if_reached (FALSE);
 625         }
 626         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(self), show_col_headers);
 627         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), show_col_headers);
 628
 629         old_style   = priv->style;
 630         priv->style = style;
 631
 632         return TRUE;
 633 }
 634
 635
 636 ModestHeaderViewStyle
 637 modest_header_view_get_style (ModestHeaderView *self)
 638 {
 639         g_return_val_if_fail (self, FALSE);
 640         return MODEST_HEADER_VIEW_GET_PRIVATE(self)->style;
 641 }
 642
 643 /*
 644  * This function sets a sortable model in the header view. It's just
 645  * used for developing purposes, because it only does a
 646  * gtk_tree_view_set_model
 647  */
 648 static void
 649 modest_header_view_set_model (GtkTreeView *header_view, GtkTreeModel *model)
 650 {
 651         GtkTreeModel *old_model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (header_view));
 652
 653         if (old_model_sort && GTK_IS_TREE_MODEL_SORT (old_model_sort)) {
 654                 GtkTreeModel *old_model;
 655                 ModestHeaderViewPrivate *priv;
 656
 657                 priv = MODEST_HEADER_VIEW_GET_PRIVATE (header_view);
 658                 old_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (old_model_sort));
 659
 660                 /* Set new model */
 661                 gtk_tree_view_set_model (header_view, model);
 662
 663                 modest_runtime_verify_object_death (old_model, "");
 664                 modest_runtime_verify_object_death (old_model_sort, "");
 665         } else
 666                 gtk_tree_view_set_model (header_view, model);
 667
 668         return;
 669 }
 670
 671 static void
 672 on_progress_changed (ModestMailOperation *mail_op,
 673                      ModestHeaderView *self)
 674 {
 675         GtkTreeModel *sortable;
 676         ModestHeaderViewPrivate *priv;
 677         GList *cols, *cursor;
 678         TnyList *headers;
 679
 680         if (!modest_mail_operation_is_finished (mail_op))
 681                 return;
 682
 683         if (modest_mail_operation_get_error (mail_op))
 684                 return;
 685
 686         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 687
 688         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 689
 690         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 691                                               priv->folder, TRUE);
 692
 693         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 694         g_object_unref (G_OBJECT (headers));
 695
 696         /* install our special sorting functions */
 697         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 698         while (cursor) {
 699                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 700                                                                  MODEST_HEADER_VIEW_COLUMN));
 701                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 702                                                  col_id,
 703                                                  (GtkTreeIterCompareFunc) cmp_rows,
 704                                                  cursor->data, NULL);
 705                 cursor = g_list_next(cursor);
 706         }
 707         g_list_free (cols);
 708
 709         /* Set new model */
 710         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 711         g_object_unref (G_OBJECT (sortable));
 712
 713         /* Add a folder observer */
 714         g_mutex_lock (priv->monitor_lock);
 715         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (priv->folder));
 716         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 717         tny_folder_monitor_start (priv->monitor);
 718         g_mutex_unlock (priv->monitor_lock);
 719 }
 720
 721 TnyFolder*
 722 modest_header_view_get_folder (ModestHeaderView *self)
 723 {
 724         ModestHeaderViewPrivate *priv;
 725         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 726
 727         if (priv->folder)
 728                 g_object_ref (priv->folder);
 729
 730         return priv->folder;
 731 }
 732
 733 static void
 734 modest_header_view_set_folder_intern (ModestHeaderView *self, TnyFolder *folder)
 735 {
 736         TnyList *headers;
 737         ModestHeaderViewPrivate *priv;
 738         GList *cols, *cursor;
 739         GtkTreeModel *sortable;
 740
 741         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 742
 743         headers = TNY_LIST (tny_gtk_header_list_model_new ());
 744
 745         tny_gtk_header_list_model_set_folder (TNY_GTK_HEADER_LIST_MODEL(headers),
 746                                               folder, FALSE);
 747
 748         /* Add a folder observer */
 749         g_mutex_lock (priv->monitor_lock);
 750         if (priv->monitor) {
 751                 tny_folder_monitor_stop (priv->monitor);
 752                 g_object_unref (G_OBJECT (priv->monitor));
 753         }
 754         priv->monitor = TNY_FOLDER_MONITOR (tny_folder_monitor_new (folder));
 755         tny_folder_monitor_add_list (priv->monitor, TNY_LIST (headers));
 756         tny_folder_monitor_start (priv->monitor);
 757         g_mutex_unlock (priv->monitor_lock);
 758
 759
 760         sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(headers));
 761         g_object_unref (G_OBJECT (headers));
 762
 763         /* install our special sorting functions */
 764         cursor = cols = gtk_tree_view_get_columns (GTK_TREE_VIEW(self));
 765         while (cursor) {
 766                 gint col_id = GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cursor->data),
 767                                                                  MODEST_HEADER_VIEW_COLUMN));
 768                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable),
 769                                                  col_id,
 770                                                  (GtkTreeIterCompareFunc) cmp_rows,
 771                                                  cursor->data, NULL);
 772                 cursor = g_list_next(cursor);
 773         }
 774         g_list_free (cols);
 775
 776
 777         /* Set new model */
 778         modest_header_view_set_model (GTK_TREE_VIEW (self), sortable);
 779         g_object_unref (G_OBJECT (sortable));
 780 }
 781
 782 void
 783 modest_header_view_set_folder (ModestHeaderView *self, TnyFolder *folder)
 784 {
 785         ModestHeaderViewPrivate *priv;
 786
 787         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 788
 789         if (priv->folder) {
 790                 g_object_unref (priv->folder);
 791                 priv->folder = NULL;
 792         }
 793
 794         if (folder) {
 795                 ModestMailOperation *mail_op;
 796
 797                 modest_header_view_set_folder_intern (self, folder);
 798
 799                 /* Pick my reference. Nothing to do with the mail operation */
 800                 priv->folder = g_object_ref (folder);
 801
 802                 /* no message selected */
 803                 g_signal_emit (G_OBJECT(self), signals[HEADER_SELECTED_SIGNAL], 0, NULL);
 804
 805                 /* Create the mail operation */
 806                 mail_op = modest_mail_operation_new ();
 807                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 808                                                  mail_op);
 809
 810                 /* Register a mail operation observer */
 811                 g_signal_connect (mail_op, "progress-changed",
 812                                   G_CALLBACK (on_progress_changed), self);
 813
 814                 /* Refresh the folder asynchronously */
 815                 modest_mail_operation_refresh_folder (mail_op, folder);
 816
 817                 /* Free */
 818                 g_object_unref (mail_op);
 819
 820         } else {
 821                 g_mutex_lock (priv->monitor_lock);
 822                 modest_header_view_set_model (GTK_TREE_VIEW (self), NULL);
 823
 824                 if (priv->monitor) {
 825                         tny_folder_monitor_stop (priv->monitor);
 826                         g_object_unref (G_OBJECT (priv->monitor));
 827                         priv->monitor = NULL;
 828                 }
 829                 g_mutex_unlock (priv->monitor_lock);
 830         }
 831 }
 832
 833 static gboolean
 834 on_header_clicked (GtkWidget *widget, GdkEventButton *event, gpointer user_data)
 835 {
 836         ModestHeaderView *self = NULL;
 837         ModestHeaderViewPrivate *priv = NULL;
 838         GtkTreePath *path = NULL;
 839         GtkTreeIter iter;
 840         GtkTreeModel *model = NULL;
 841         TnyHeader *header;
 842         /* ignore everything but doubleclick */
 843         if (event->type != GDK_2BUTTON_PRESS)
 844                 return FALSE;
 845
 846         self = MODEST_HEADER_VIEW (widget);
 847         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 848
 849         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 850         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 851                 return FALSE;
 852
 853         /* get the first selected item */
 854         gtk_tree_model_get (model, &iter,
 855                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 856                             &header, -1);
 857         /* Emit signal */
 858         g_signal_emit (G_OBJECT(self),
 859                        signals[HEADER_ACTIVATED_SIGNAL],
 860                        0, header);
 861
 862         /* Free */
 863         g_object_unref (G_OBJECT (header));
 864         gtk_tree_path_free(path);
 865
 866         return TRUE;
 867 }
 868
 869
 870 static void
 871 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 872 {
 873         GtkTreeModel *model;
 874         TnyHeader *header;
 875         GtkTreePath *path = NULL;
 876         GtkTreeIter iter;
 877         ModestHeaderView *self;
 878         ModestHeaderViewPrivate *priv;
 879
 880         g_return_if_fail (sel);
 881         g_return_if_fail (user_data);
 882
 883         self = MODEST_HEADER_VIEW (user_data);
 884         priv = MODEST_HEADER_VIEW_GET_PRIVATE(self);
 885
 886         path = get_selected_row (GTK_TREE_VIEW(self), &model);
 887         if ((path == NULL) || (!gtk_tree_model_get_iter(model, &iter, path)))
 888                 return; /* msg was _un_selected */
 889
 890         gtk_tree_model_get (model, &iter,
 891                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 892                             &header, -1);
 893
 894         /* Emit signal */
 895         g_signal_emit (G_OBJECT(self),
 896                        signals[HEADER_SELECTED_SIGNAL],
 897                        0, header);
 898
 899         g_object_unref (G_OBJECT (header));
 900         gtk_tree_path_free(path);
 901 }
 902
 903
 904 /* PROTECTED method. It's useful when we want to force a given
 905    selection to reload a msg. For example if we have selected a header
 906    in offline mode, when Modest become online, we want to reload the
 907    message automatically without an user click over the header */
 908 void
 909 _modest_header_view_change_selection (GtkTreeSelection *selection,
 910                                       gpointer user_data)
 911 {
 912         g_return_if_fail (GTK_IS_TREE_SELECTION (selection));
 913         g_return_if_fail (MODEST_IS_HEADER_VIEW (user_data));
 914
 915         on_selection_changed (selection, user_data);
 916 }
 917
 918
 919 static gint
 920 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 921           gpointer user_data)
 922 {
 923         gint col_id;
 924         gint t1, t2;
 925         gint val1, val2;
 926         gchar *s1, *s2;
 927         gint cmp;
 928
 929         static int counter = 0;
 930         col_id = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(user_data), MODEST_HEADER_VIEW_COLUMN));
 931
 932         if (!(++counter % 100)) {
 933                 GObject *header_view = g_object_get_data(G_OBJECT(user_data),
 934                                                          MODEST_HEADER_VIEW_PTR);
 935                 g_signal_emit (header_view,
 936                                signals[STATUS_UPDATE_SIGNAL],
 937                                0, _("Sorting..."), 0, 0);
 938         }
 939         switch (col_id) {
 940
 941                 /* first one, we decide based on the time */
 942         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN:
 943         case MODEST_HEADER_VIEW_COLUMN_RECEIVED_DATE:
 944
 945                 gtk_tree_model_get (tree_model, iter1,
 946                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 947                                     &t1,-1);
 948                 gtk_tree_model_get (tree_model, iter2,
 949                                     TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN,
 950                                     &t2,-1);
 951                 return t1 - t2;
 952
 953         case MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT:
 954         case MODEST_HEADER_VIEW_COLUMN_SENT_DATE:
 955                 gtk_tree_model_get (tree_model, iter1,
 956                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 957                                     &t1,-1);
 958                 gtk_tree_model_get (tree_model, iter2,
 959                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN,
 960                                     &t2,-1);
 961                 return t1 - t2;
 962
 963
 964                 /* next ones, we try the search criteria first, if they're the same, then we use 'sent date' */
 965                 /* FIXME: what about received-date? */
 966         case MODEST_HEADER_VIEW_COLUMN_SUBJECT: {
 967
 968                 gtk_tree_model_get (tree_model, iter1,
 969                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s1,
 970                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 971                                     -1);
 972                 gtk_tree_model_get (tree_model, iter2,
 973                                     TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN, &s2,
 974                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 975                                     -1);
 976
 977                 /* the prefix ('Re:', 'Fwd:' etc.) we ignore */
 978                 cmp = modest_text_utils_utf8_strcmp (s1 + modest_text_utils_get_subject_prefix_len(s1),
 979                                                      s2 + modest_text_utils_get_subject_prefix_len(s2),
 980                                                      TRUE);
 981                 g_free (s1);
 982                 g_free (s2);
 983
 984                 return cmp ? cmp : t1 - t2;
 985         }
 986
 987         case MODEST_HEADER_VIEW_COLUMN_FROM:
 988
 989                 gtk_tree_model_get (tree_model, iter1,
 990                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s1,
 991                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
 992                                     -1);
 993                 gtk_tree_model_get (tree_model, iter2,
 994                                     TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN, &s2,
 995                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
 996                                     -1);
 997                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
 998                 g_free (s1);
 999                 g_free (s2);
1000
1001                 return cmp ? cmp : t1 - t2;
1002
1003         case MODEST_HEADER_VIEW_COLUMN_TO:
1004
1005                 gtk_tree_model_get (tree_model, iter1,
1006                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s1,
1007                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,
1008                                     -1);
1009                 gtk_tree_model_get (tree_model, iter2,
1010                                     TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN, &s2,
1011                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,
1012                                     -1);
1013                 cmp = modest_text_utils_utf8_strcmp (s1, s2, TRUE);
1014                 g_free (s1);
1015                 g_free (s2);
1016
1017                 return cmp ? cmp : t1 - t2;
1018
1019         case MODEST_HEADER_VIEW_COLUMN_ATTACH:
1020
1021                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1022                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1, -1);
1023                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1024                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2, -1);
1025
1026                 cmp = (val1 & TNY_HEADER_FLAG_ATTACHMENTS) -
1027                         (val2 & TNY_HEADER_FLAG_ATTACHMENTS);
1028
1029                 return cmp ? cmp : t1 - t2;
1030
1031         case MODEST_HEADER_VIEW_COLUMN_MSGTYPE:
1032                 gtk_tree_model_get (tree_model, iter1, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val1,
1033                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t1,-1);
1034                 gtk_tree_model_get (tree_model, iter2, TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN, &val2,
1035                                     TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN, &t2,-1);
1036                 cmp =  (val1 & TNY_HEADER_FLAG_SEEN) - (val2 & TNY_HEADER_FLAG_SEEN);
1037
1038                 return cmp ? cmp : t1 - t2;
1039
1040         default:
1041                 return &iter1 - &iter2; /* oughhhh  */
1042         }
1043 }
1044
1045 /* Drag and drop stuff */
1046 static void
1047 drag_data_get_cb (GtkWidget *widget, GdkDragContext *context,
1048                   GtkSelectionData *selection_data,
1049                   guint info,  guint time, gpointer data)
1050 {
1051         GtkTreeModel *model;
1052         GtkTreeIter iter;
1053         GtkTreePath *source_row;
1054
1055         source_row = get_selected_row (GTK_TREE_VIEW(widget), &model);
1056         if ((source_row == NULL) || (!gtk_tree_model_get_iter(model, &iter, source_row))) return;
1057
1058         switch (info) {
1059         case MODEST_HEADER_ROW:
1060                 gtk_tree_set_row_drag_data (selection_data, model, source_row);
1061                 break;
1062         case MODEST_MSG: {
1063                 TnyHeader *hdr;
1064                 gtk_tree_model_get (model, &iter,
1065                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, &hdr,
1066                                     -1);
1067                 if (hdr) {
1068                         g_object_unref (G_OBJECT(hdr));
1069                 }
1070                 break;
1071         }
1072         default:
1073                 g_message ("default");
1074         }
1075
1076         gtk_tree_path_free (source_row);
1077 }
1078
1079 /* Header view drag types */
1080 const GtkTargetEntry header_view_drag_types[] = {
1081         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW },
1082         { "text/uri-list",      0,                   MODEST_MSG },
1083
1084 };
1085
1086 static void
1087 setup_drag_and_drop (GtkTreeView *self)
1088 {
1089         gtk_drag_source_set (GTK_WIDGET (self),
1090                              GDK_BUTTON1_MASK,
1091                              header_view_drag_types,
1092                              G_N_ELEMENTS (header_view_drag_types),
1093                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1094
1095         g_signal_connect(G_OBJECT (self), "drag_data_get",
1096                          G_CALLBACK(drag_data_get_cb), NULL);
1097 }
1098
1099 static GtkTreePath *
1100 get_selected_row (GtkTreeView *self, GtkTreeModel **model)
1101 {
1102         GtkTreePath *path = NULL;
1103         GtkTreeSelection *sel = NULL;
1104         GList *rows = NULL;
1105
1106         sel   = gtk_tree_view_get_selection(self);
1107         rows = gtk_tree_selection_get_selected_rows (sel, model);
1108
1109         if ((rows == NULL) || (g_list_length(rows) != 1))
1110                 goto frees;
1111
1112         path = gtk_tree_path_copy(g_list_nth_data (rows, 0));
1113
1114
1115         /* Free */
1116  frees:
1117         g_list_foreach(rows,(GFunc) gtk_tree_path_free, NULL);
1118         g_list_free(rows);
1119
1120         return path;
1121 }