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

   1 /* modest-tny-header-tree-view.c
   2  */
   3 #include <glib/gi18n.h>
   4 #include "modest-tny-header-tree-view.h"
   5 #include <tny-list-iface.h>
   6 #include <string.h>
   7
   8 /* 'private'/'protected' functions */
   9 static void modest_tny_header_tree_view_class_init  (ModestTnyHeaderTreeViewClass *klass);
  10 static void modest_tny_header_tree_view_init        (ModestTnyHeaderTreeView *obj);
  11 static void modest_tny_header_tree_view_finalize    (GObject *obj);
  12
  13 static void selection_changed (GtkTreeSelection *sel, gpointer user_data);
  14 static void column_clicked (GtkTreeViewColumn *treeviewcolumn, gpointer user_data);
  15
  16 #define PIXMAP_PREFIX PREFIX "/share/modest/pixmaps/"
  17
  18 enum {
  19         MESSAGE_SELECTED_SIGNAL,
  20         LAST_SIGNAL
  21 };
  22
  23 enum {
  24         HEADER_ICON_READ  = 1,
  25         HEADER_ICON_UNREAD,
  26         HEADER_ICON_ATTACH,
  27         HEADER_ICON_NUM
  28 };
  29
  30
  31 typedef struct _ModestTnyHeaderTreeViewPrivate ModestTnyHeaderTreeViewPrivate;
  32 struct _ModestTnyHeaderTreeViewPrivate {
  33
  34         TnyMsgFolderIface *tny_msg_folder;
  35         TnyListIface      *headers;
  36
  37         GdkPixbuf   *icons[HEADER_ICON_NUM];
  38         guint sort_columns[MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM];
  39
  40         GSList *columns;
  41         ModestTnyHeaderTreeViewStyle style;
  42 };
  43 #define MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  44                                                          MODEST_TYPE_TNY_HEADER_TREE_VIEW, \
  45                                                          ModestTnyHeaderTreeViewPrivate))
  46 /* globals */
  47 static GObjectClass *parent_class = NULL;
  48
  49 /* uncomment the following if you have defined any signals */
  50 static guint signals[LAST_SIGNAL] = {0};
  51
  52 GType
  53 modest_tny_header_tree_view_get_type (void)
  54 {
  55         static GType my_type = 0;
  56         if (!my_type) {
  57                 static const GTypeInfo my_info = {
  58                         sizeof(ModestTnyHeaderTreeViewClass),
  59                         NULL,           /* base init */
  60                         NULL,           /* base finalize */
  61                         (GClassInitFunc) modest_tny_header_tree_view_class_init,
  62                         NULL,           /* class finalize */
  63                         NULL,           /* class data */
  64                         sizeof(ModestTnyHeaderTreeView),
  65                         1,              /* n_preallocs */
  66                         (GInstanceInitFunc) modest_tny_header_tree_view_init,
  67                 };
  68                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  69                                                   "ModestTnyHeaderTreeView",
  70                                                   &my_info, 0);
  71         }
  72         return my_type;
  73 }
  74
  75 static void
  76 modest_tny_header_tree_view_class_init (ModestTnyHeaderTreeViewClass *klass)
  77 {
  78         GObjectClass *gobject_class;
  79         gobject_class = (GObjectClass*) klass;
  80
  81         parent_class            = g_type_class_peek_parent (klass);
  82         gobject_class->finalize = modest_tny_header_tree_view_finalize;
  83
  84         g_type_class_add_private (gobject_class, sizeof(ModestTnyHeaderTreeViewPrivate));
  85
  86         signals[MESSAGE_SELECTED_SIGNAL] =
  87                 g_signal_new ("message_selected",
  88                               G_TYPE_FROM_CLASS (gobject_class),
  89                               G_SIGNAL_RUN_FIRST,
  90                               G_STRUCT_OFFSET (ModestTnyHeaderTreeViewClass,message_selected),
  91                               NULL, NULL,
  92                               g_cclosure_marshal_VOID__POINTER,
  93                               G_TYPE_NONE, 1, G_TYPE_POINTER);
  94 }
  95
  96
  97
  98
  99
 100 static void
 101 msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 102                    GtkTreeModel *tree_model, GtkTreeIter *iter,
 103                    GdkPixbuf *icons[HEADER_ICON_NUM])
 104 {
 105         TnyMsgHeaderFlags flags;
 106         GdkPixbuf *pixbuf;
 107
 108         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 109                             &flags, -1);
 110
 111         if (flags & TNY_MSG_HEADER_FLAG_SEEN)
 112                 pixbuf = icons[HEADER_ICON_READ];
 113         else
 114                 pixbuf = icons[HEADER_ICON_UNREAD];
 115
 116         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf,
 117                       NULL);
 118 }
 119
 120 static void
 121 attach_cell_data (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 122                   GtkTreeModel *tree_model,  GtkTreeIter *iter, GdkPixbuf *icons[HEADER_ICON_NUM])
 123 {
 124         TnyMsgHeaderFlags flags;
 125         GdkPixbuf *pixbuf;
 126
 127         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 128                             &flags, -1);
 129         if (flags & TNY_MSG_HEADER_FLAG_ATTACHMENTS)
 130                 pixbuf = icons[HEADER_ICON_ATTACH];
 131         else
 132                 pixbuf = NULL;
 133
 134         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 135 }
 136
 137
 138
 139 static void
 140 header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 141                   GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 142 {
 143         GObject *rendobj;
 144         TnyMsgHeaderFlags flags;
 145
 146         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 147                             &flags, -1);
 148         rendobj = G_OBJECT(renderer);
 149
 150         if (!(flags & TNY_MSG_HEADER_FLAG_SEEN))
 151                 g_object_set (rendobj, "weight", 800, NULL);
 152         else
 153                 g_object_set (rendobj, "weight", 400, NULL); /* default, non-bold */
 154 }
 155
 156
 157
 158 static void
 159 sender_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 160                    GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 161 {
 162         GObject *rendobj;
 163         TnyMsgHeaderFlags flags;
 164         gchar *from;
 165         gchar *address;
 166
 167         gtk_tree_model_get (tree_model, iter,
 168                             TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 169                             TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 170                             -1);
 171         rendobj = G_OBJECT(renderer);
 172
 173         /* simplistic --> remove <email@address> from display */
 174         address = g_strstr_len (from, strlen(from), "<");
 175         if (address) {
 176                 address[0]='\0';
 177                 g_object_set (rendobj, "text", from, NULL);
 178                 g_free (from);
 179         }
 180
 181         if (!(flags & TNY_MSG_HEADER_FLAG_SEEN))
 182                 g_object_set (rendobj, "weight", 800, NULL);
 183         else
 184                 g_object_set (rendobj, "weight", 400, NULL); /* default, non-bold */
 185 }
 186
 187
 188 static void
 189 init_icons (GdkPixbuf *icons[HEADER_ICON_NUM])
 190 {
 191         icons[HEADER_ICON_READ] =
 192                 gdk_pixbuf_new_from_file (PIXMAP_PREFIX "read.xpm",NULL);
 193         icons[HEADER_ICON_UNREAD] =
 194                 gdk_pixbuf_new_from_file (PIXMAP_PREFIX "unread.xpm",NULL);
 195         icons[HEADER_ICON_ATTACH] =
 196                 gdk_pixbuf_new_from_file (PIXMAP_PREFIX "clip.xpm",NULL);
 197 }
 198
 199
 200
 201 static GtkTreeViewColumn*
 202 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 203                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 204                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 205 {
 206         GtkTreeViewColumn *column;
 207
 208         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 209         gtk_tree_view_column_set_resizable (column, resizable);
 210
 211         if (show_as_text)
 212                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 213                                                     sort_col_id);
 214         if (sort_col_id >= 0)
 215                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 216
 217         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 218         gtk_tree_view_column_set_reorderable (column, TRUE);
 219
 220         if (cell_data_func)
 221                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 222                                                         user_data, NULL);
 223
 224 /*      g_signal_connect (G_OBJECT (column), "clicked", */
 225 /*                        G_CALLBACK (column_clicked), obj);  */
 226
 227         return column;
 228 }
 229
 230
 231
 232
 233 static void
 234 remove_all_columns (ModestTnyHeaderTreeView *obj)
 235 {
 236         GList *columns, *cursor;
 237
 238         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 239
 240         for (cursor = columns; cursor; cursor = cursor->next)
 241                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 242                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 243         g_list_free (columns);
 244 }
 245
 246
 247
 248
 249 static void
 250 init_columns (ModestTnyHeaderTreeView *obj)
 251 {
 252         GtkTreeViewColumn *column;
 253         GtkCellRenderer *renderer_msgtype,
 254                 *renderer_header,
 255                 *renderer_attach;
 256
 257         ModestTnyHeaderTreeViewPrivate *priv;
 258         GSList *cursor;
 259
 260         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(obj);
 261
 262         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 263         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 264         renderer_header = gtk_cell_renderer_text_new ();
 265
 266         remove_all_columns (obj);
 267
 268         for (cursor = priv->columns; cursor; cursor = cursor->next) {
 269                 ModestTnyHeaderTreeViewColumn col =
 270                         (ModestTnyHeaderTreeViewColumn) GPOINTER_TO_INT(cursor->data);
 271
 272                 switch (col) {
 273
 274                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_MSGTYPE:
 275
 276                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 277                                                  TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 278                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data, priv->icons);
 279                         break;
 280
 281                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_ATTACH:
 282
 283                         column = get_new_column (_("A"), renderer_attach, FALSE,
 284                                                  TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 285                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data, priv->icons);
 286                         break;
 287
 288                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_RECEIVED_DATE:
 289                         column = get_new_column (_("Received"), renderer_header, TRUE,
 290                                                  TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 291                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data, NULL);
 292                         break;
 293
 294                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_FROM:
 295                         column = get_new_column (_("From"), renderer_header, TRUE,
 296                                                  TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
 297                                                  TRUE, (GtkTreeCellDataFunc)sender_cell_data, NULL);
 298                         break;
 299
 300                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SUBJECT:
 301                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 302                                                  TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 303                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data, NULL);
 304                         break;
 305
 306
 307                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SENT_DATE:
 308                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 309                                                  TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 310                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data, NULL);
 311                         break;
 312
 313                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_TO:
 314                         column = get_new_column (_("To"), renderer_header, TRUE,
 315                                                  TNY_MSG_HEADER_LIST_MODEL_TO_COLUMN,
 316                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data, NULL);
 317                         break;
 318                 }
 319                 gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 320         }
 321 }
 322
 323
 324
 325
 326
 327 static void
 328 modest_tny_header_tree_view_init (ModestTnyHeaderTreeView *obj)
 329 {
 330         ModestTnyHeaderTreeViewPrivate *priv;
 331         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(obj);
 332
 333         init_icons (priv->icons);
 334 }
 335
 336 static void
 337 modest_tny_header_tree_view_finalize (GObject *obj)
 338 {
 339         ModestTnyHeaderTreeView        *self;
 340         ModestTnyHeaderTreeViewPrivate *priv;
 341         int i;
 342
 343         self = MODEST_TNY_HEADER_TREE_VIEW(obj);
 344         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 345
 346         if (priv->headers)
 347                 g_object_unref (G_OBJECT(priv->headers));
 348
 349         priv->headers = NULL;
 350         priv->tny_msg_folder    = NULL;
 351
 352         /* cleanup our icons */
 353         for (i = 0; i != HEADER_ICON_NUM; ++i) {
 354                 if (priv->icons[i]) {
 355                         g_object_unref (G_OBJECT(priv->icons[i]));
 356                         priv->icons[i] = NULL;
 357                 }
 358         }
 359 }
 360
 361 GtkWidget*
 362 modest_tny_header_tree_view_new (TnyMsgFolderIface *folder,
 363                                  GSList *columns,
 364                                  ModestTnyHeaderTreeViewStyle style)
 365 {
 366         GObject *obj;
 367         GtkTreeSelection *sel;
 368         ModestTnyHeaderTreeView *self;
 369
 370         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_HEADER_TREE_VIEW, NULL));
 371         self = MODEST_TNY_HEADER_TREE_VIEW(obj);
 372
 373         if (!modest_tny_header_tree_view_set_folder (self, NULL)) {
 374                 g_warning ("could not set the folder");
 375                 g_object_unref (obj);
 376                 return NULL;
 377         }
 378
 379         modest_tny_header_tree_view_set_style   (self, style);
 380         modest_tny_header_tree_view_set_columns (self, columns);
 381
 382         /* all cols */
 383         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 384         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 385
 386         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 387                                       TRUE); /* alternating row colors */
 388
 389         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 390         g_signal_connect (sel, "changed",
 391                           G_CALLBACK(selection_changed), self);
 392
 393         return GTK_WIDGET(self);
 394 }
 395
 396 gboolean
 397 modest_tny_header_tree_view_set_columns (ModestTnyHeaderTreeView *self, GSList *columns)
 398 {
 399         ModestTnyHeaderTreeViewPrivate *priv;
 400         GSList *cursor;
 401
 402         g_return_val_if_fail (self, FALSE);
 403
 404         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 405
 406         g_slist_free (priv->columns);
 407
 408         for (cursor = columns; cursor; cursor = cursor->next) {
 409                 ModestTnyHeaderTreeViewColumn col =
 410                         (ModestTnyHeaderTreeViewColumn) GPOINTER_TO_INT(cursor->data);
 411                 if (0 > col || col >= MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM)
 412                         g_warning ("invalid column in column list");
 413                 else
 414                         priv->columns = g_slist_append (priv->columns, cursor->data);
 415         }
 416
 417         init_columns (self); /* redraw them */
 418         return TRUE;
 419 }
 420
 421
 422
 423 const GSList*
 424 modest_tny_header_tree_view_get_columns (ModestTnyHeaderTreeView *self)
 425 {
 426         ModestTnyHeaderTreeViewPrivate *priv;
 427         GSList *cursor;
 428
 429         g_return_val_if_fail (self, FALSE);
 430
 431         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 432         return priv->columns;
 433 }
 434
 435
 436
 437
 438 gboolean
 439 modest_tny_header_tree_view_set_style (ModestTnyHeaderTreeView *self,
 440                                        ModestTnyHeaderTreeViewStyle style)
 441 {
 442         g_return_val_if_fail (self, FALSE);
 443         g_return_val_if_fail (style >= 0 && style < MODEST_TNY_HEADER_TREE_VIEW_STYLE_NUM,
 444                               FALSE);
 445
 446         MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self)->style = style;
 447
 448         return TRUE;
 449 }
 450
 451 ModestTnyHeaderTreeViewStyle
 452 modest_tny_header_tree_view_get_style (ModestTnyHeaderTreeView *self)
 453 {
 454         g_return_val_if_fail (self, FALSE);
 455
 456         return MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self)->style;
 457 }
 458
 459
 460 # if 0
 461 static gint
 462 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 463           gpointer user_data)
 464 {
 465         gint col_id = GPOINTER_TO_INT (user_data);
 466         gint val1, val2;
 467
 468         g_return_val_if_fail (GTK_IS_TREE_MODEL(tree_model), -1);
 469
 470         switch (col_id) {
 471
 472         case SORT_COLUMN_RECEIVED:
 473                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 474                                     &val1,-1);
 475                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 476                                     &val2,-1);
 477
 478                 g_message ("%d %d %d %d", col_id, val1, val2, val1 - val2);
 479
 480                 return val1 - val2;
 481
 482         case SORT_COLUMN_SENT:
 483                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 484                                     &val1,-1);
 485                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 486                                     &val2,-1);
 487                 return val1 - val2;
 488
 489         case SORT_COLUMN_ATTACH:
 490                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 491                                     &val1,-1);
 492                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 493                                     &val2,-1);
 494
 495                 return (val1 & TNY_MSG_HEADER_FLAG_ATTACHMENTS) - (val2 & TNY_MSG_HEADER_FLAG_ATTACHMENTS);
 496
 497
 498         case SORT_COLUMN_MSGTYPE:
 499                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 500                                     &val1,-1);
 501                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 502                                     &val2,-1);
 503
 504                 return (val1 & TNY_MSG_HEADER_FLAG_SEEN) - (val2 & TNY_MSG_HEADER_FLAG_SEEN);
 505
 506         default:
 507                 g_message ("%p %p", iter1, iter2);
 508                 return &iter1 - &iter2;
 509         }
 510 }
 511 #endif
 512
 513
 514 gboolean
 515 modest_tny_header_tree_view_set_folder (ModestTnyHeaderTreeView *self,
 516                                         TnyMsgFolderIface *folder)
 517 {
 518         int i;
 519         GtkTreeModel *oldsortable, *sortable, *oldmodel;
 520         ModestTnyHeaderTreeViewPrivate *priv;
 521
 522         g_return_val_if_fail (self, FALSE);
 523
 524         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 525
 526         if (folder) {
 527                 priv->headers = TNY_LIST_IFACE(tny_msg_header_list_model_new ());
 528                 tny_msg_folder_iface_get_headers (folder, priv->headers,
 529                                                   FALSE);
 530                 tny_msg_header_list_model_set_folder (TNY_MSG_HEADER_LIST_MODEL(priv->headers),
 531                                                       folder, TRUE);
 532
 533                 oldsortable = gtk_tree_view_get_model(GTK_TREE_VIEW (self));
 534                 if (oldsortable && GTK_IS_TREE_MODEL_SORT(oldsortable)) {
 535                         GtkTreeModel *oldmodel = gtk_tree_model_sort_get_model
 536                                 (GTK_TREE_MODEL_SORT(oldsortable));
 537                         if (oldmodel)
 538                                 g_object_unref (G_OBJECT(oldmodel));
 539                         g_object_unref (oldsortable);
 540                 }
 541
 542                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 543
 544                 /* set special sorting functions */
 545 #if 0 /* FIXME */
 546                 gtk_tree_model_sort_reset_default_sort_func (sortable);
 547
 548                 for (i = 0; i != SORT_COLUMN_NUM; ++i) {
 549                         int col_id = priv->sort_columns[i];
 550                         if (col_id >= 0) {
 551                                 g_message ("%d: %p: %p: %d", i, GTK_TREE_SORTABLE(sortable), sortable, col_id);
 552                                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable), col_id,
 553                                                                  (GtkTreeIterCompareFunc)cmp_rows,
 554                                                                  GINT_TO_POINTER(col_id), NULL);
 555                         }
 556                 }
 557 #endif
 558                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 559                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), TRUE);
 560
 561                 /* no need to unref sortable */
 562
 563         } else /* when there is no folder */
 564                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), FALSE);
 565
 566         return TRUE;
 567 }
 568
 569
 570 static void
 571 selection_changed (GtkTreeSelection *sel, gpointer user_data)
 572 {
 573         GtkTreeModel            *model;
 574         TnyMsgHeaderIface       *header;
 575         GtkTreeIter             iter;
 576         ModestTnyHeaderTreeView *tree_view;
 577
 578         g_return_if_fail (sel);
 579         g_return_if_fail (user_data);
 580
 581         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 582                 return; /* msg was _un_selected */
 583
 584         tree_view = MODEST_TNY_HEADER_TREE_VIEW (user_data);
 585
 586         gtk_tree_model_get (model, &iter,
 587                             TNY_MSG_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 588                             &header, -1);
 589
 590         if (header) {
 591                 TnyMsgHeaderFlags flags;
 592                 const TnyMsgIface *msg;
 593                 const TnyMsgFolderIface *folder;
 594
 595                 folder = tny_msg_header_iface_get_folder (TNY_MSG_HEADER_IFACE(header));
 596                 if (!folder)
 597                         g_message ("cannot find folder");
 598                 else {
 599                         msg = tny_msg_folder_iface_get_message (TNY_MSG_FOLDER_IFACE(folder),
 600                                                                 header);
 601                         if (!msg) {
 602                                 g_message ("cannot find msg");
 603                                 /* FIXME: update display */
 604                         }
 605                 }
 606
 607                 g_signal_emit (G_OBJECT(tree_view), signals[MESSAGE_SELECTED_SIGNAL], 0,
 608                                msg);
 609
 610                 /* mark message as seen; _set_flags crashes, bug in tinymail? */
 611                 flags = tny_msg_header_iface_get_flags (TNY_MSG_HEADER_IFACE(header));
 612                 //tny_msg_header_iface_set_flags (header, flags | TNY_MSG_HEADER_FLAG_SEEN);
 613         }
 614 }
 615
 616 static void
 617 column_clicked (GtkTreeViewColumn *col, gpointer user_data)
 618 {
 619         GtkTreeView *treeview;
 620         gint id;
 621
 622         treeview = GTK_TREE_VIEW (user_data);
 623         id = gtk_tree_view_column_get_sort_column_id (col);
 624
 625         gtk_tree_view_set_search_column (treeview, id);
 626 }