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

   1
   2 /* modest-tny-header-tree-view.c
   3  */
   4 #include <glib/gi18n.h>
   5 #include "modest-tny-header-tree-view.h"
   6 #include <tny-list-iface.h>
   7 #include <string.h>
   8
   9 #include <modest-icon-names.h>
  10 #include "modest-icon-factory.h"
  11
  12 /* 'private'/'protected' functions */
  13 static void modest_tny_header_tree_view_class_init  (ModestTnyHeaderTreeViewClass *klass);
  14 static void modest_tny_header_tree_view_init        (ModestTnyHeaderTreeView *obj);
  15 static void modest_tny_header_tree_view_finalize    (GObject *obj);
  16
  17 static void selection_changed (GtkTreeSelection *sel, gpointer user_data);
  18 static void column_clicked (GtkTreeViewColumn *treeviewcolumn, gpointer user_data);
  19
  20 enum {
  21         MESSAGE_SELECTED_SIGNAL,
  22         LAST_SIGNAL
  23 };
  24
  25 typedef struct _ModestTnyHeaderTreeViewPrivate ModestTnyHeaderTreeViewPrivate;
  26 struct _ModestTnyHeaderTreeViewPrivate {
  27
  28         TnyMsgFolderIface *tny_msg_folder;
  29         TnyListIface      *headers;
  30
  31         guint sort_columns[MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM];
  32
  33         GSList *columns;
  34         ModestTnyHeaderTreeViewStyle style;
  35 };
  36 #define MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(o)      (G_TYPE_INSTANCE_GET_PRIVATE((o), \
  37                                                          MODEST_TYPE_TNY_HEADER_TREE_VIEW, \
  38                                                          ModestTnyHeaderTreeViewPrivate))
  39 /* globals */
  40 static GObjectClass *parent_class = NULL;
  41
  42 /* uncomment the following if you have defined any signals */
  43 static guint signals[LAST_SIGNAL] = {0};
  44
  45 GType
  46 modest_tny_header_tree_view_get_type (void)
  47 {
  48         static GType my_type = 0;
  49         if (!my_type) {
  50                 static const GTypeInfo my_info = {
  51                         sizeof(ModestTnyHeaderTreeViewClass),
  52                         NULL,           /* base init */
  53                         NULL,           /* base finalize */
  54                         (GClassInitFunc) modest_tny_header_tree_view_class_init,
  55                         NULL,           /* class finalize */
  56                         NULL,           /* class data */
  57                         sizeof(ModestTnyHeaderTreeView),
  58                         1,              /* n_preallocs */
  59                         (GInstanceInitFunc) modest_tny_header_tree_view_init,
  60                 };
  61                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
  62                                                   "ModestTnyHeaderTreeView",
  63                                                   &my_info, 0);
  64         }
  65         return my_type;
  66 }
  67
  68 static void
  69 modest_tny_header_tree_view_class_init (ModestTnyHeaderTreeViewClass *klass)
  70 {
  71         GObjectClass *gobject_class;
  72         gobject_class = (GObjectClass*) klass;
  73
  74         parent_class            = g_type_class_peek_parent (klass);
  75         gobject_class->finalize = modest_tny_header_tree_view_finalize;
  76
  77         g_type_class_add_private (gobject_class, sizeof(ModestTnyHeaderTreeViewPrivate));
  78
  79         signals[MESSAGE_SELECTED_SIGNAL] =
  80                 g_signal_new ("message_selected",
  81                               G_TYPE_FROM_CLASS (gobject_class),
  82                               G_SIGNAL_RUN_FIRST,
  83                               G_STRUCT_OFFSET (ModestTnyHeaderTreeViewClass,message_selected),
  84                               NULL, NULL,
  85                               g_cclosure_marshal_VOID__POINTER,
  86                               G_TYPE_NONE, 1, G_TYPE_POINTER);
  87 }
  88
  89
  90
  91
  92
  93 static void
  94 msgtype_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
  95                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
  96 {
  97         TnyMsgHeaderFlags flags;
  98         GdkPixbuf *pixbuf;
  99
 100         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 101                             &flags, -1);
 102
 103         if (flags & TNY_MSG_HEADER_FLAG_DELETED)
 104                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_DELETED);
 105         else if (flags & TNY_MSG_HEADER_FLAG_SEEN)
 106                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_READ);
 107         else
 108                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_UNREAD);
 109         if (pixbuf)
 110                 g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 111 }
 112
 113 static void
 114 attach_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
 115                   GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer user_data)
 116 {
 117         TnyMsgHeaderFlags flags;
 118         GdkPixbuf *pixbuf = NULL;
 119
 120         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 121                             &flags, -1);
 122
 123         if (flags & TNY_MSG_HEADER_FLAG_ATTACHMENTS) {
 124                 pixbuf = modest_icon_factory_get_icon (MODEST_HEADER_ICON_ATTACH);
 125                 if (pixbuf)
 126                         g_object_set (G_OBJECT (renderer), "pixbuf", pixbuf, NULL);
 127         }
 128 }
 129
 130
 131
 132 static void
 133 header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 134                   GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 135 {
 136         GObject *rendobj;
 137         TnyMsgHeaderFlags flags;
 138
 139         gtk_tree_model_get (tree_model, iter, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 140                             &flags, -1);
 141         rendobj = G_OBJECT(renderer);
 142
 143         if (!(flags & TNY_MSG_HEADER_FLAG_SEEN))
 144                 g_object_set (rendobj, "weight", 800, NULL);
 145         else
 146                 g_object_set (rendobj, "weight", 400, NULL); /* default, non-bold */
 147 }
 148
 149
 150
 151 static void
 152 sender_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 153                    GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 154 {
 155         GObject *rendobj;
 156         TnyMsgHeaderFlags flags;
 157         gchar *from;
 158         gchar *address;
 159
 160         gtk_tree_model_get (tree_model, iter,
 161                             TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 162                             TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 163                             TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN, &flags
 164                             -1);
 165         rendobj = G_OBJECT(renderer);
 166
 167         /* simplistic --> remove <email@address> from display */
 168         address = g_strstr_len (from, strlen(from), "<");
 169         if (address) {
 170                 address[0]='\0';
 171                 g_object_set (rendobj, "text", from, NULL);
 172                 g_free (from);
 173         }
 174
 175         if (!(flags & TNY_MSG_HEADER_FLAG_SEEN))
 176                 g_object_set (rendobj, "weight", 800, NULL);
 177         else
 178                 g_object_set (rendobj, "weight", 400, NULL); /* default, non-bold */
 179 }
 180
 181
 182 /* not reentrant/thread-safe */
 183 const gchar*
 184 display_date (time_t date)
 185 {
 186         struct tm date_tm, now_tm;
 187         time_t now;
 188
 189         const gint buf_size = 64;
 190         static gchar date_buf[64]; /* buf_size is not ... */
 191         static gchar now_buf[64];  /* ...const enough... */
 192
 193         now = time (NULL);
 194
 195         localtime_r(&now, &now_tm);
 196         localtime_r(&date, &date_tm);
 197
 198         /* get today's date */
 199         strftime (date_buf, buf_size, "%x", &date_tm);
 200         strftime (now_buf,  buf_size, "%x",  &now_tm);  /* today */
 201
 202         /* if this is today, get the time instead of the date */
 203         if (strcmp (date_buf, now_buf) == 0)
 204                 strftime (date_buf, buf_size, _("%X"), &date_tm);
 205
 206         return date_buf;
 207 }
 208
 209
 210
 211 compact_header_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 212                            GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer user_data)
 213 {
 214         GObject *rendobj;
 215         TnyMsgHeaderFlags flags;
 216         gchar *from, *subject;
 217         gchar *address;
 218         gchar *header;
 219         time_t date;
 220
 221         gtk_tree_model_get (tree_model, iter,
 222                             TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN, &flags,
 223                             TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,  &from,
 224                             TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN, &subject,
 225                             TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN, &date,
 226                             -1);
 227         rendobj = G_OBJECT(renderer);
 228
 229         /* simplistic --> remove <email@address> from display */
 230         address = g_strstr_len (from, strlen(from), "<");
 231         if (address)
 232                 address[0]='\0'; /* set a new endpoint */
 233
 234         header = g_strdup_printf ("%s %s\n%s", from,
 235                                   display_date(date), subject);
 236         g_object_set (rendobj, "text", header, NULL);
 237
 238         g_free (header);
 239         g_free (from);
 240         g_free (subject);
 241
 242         if (!(flags & TNY_MSG_HEADER_FLAG_SEEN))
 243                 g_object_set (rendobj, "weight", 800, NULL);
 244         else
 245                 g_object_set (rendobj, "weight", 400, NULL); /* default, non-bold */
 246 }
 247
 248
 249 static GtkTreeViewColumn*
 250 get_new_column (const gchar *name, GtkCellRenderer *renderer,
 251                 gboolean resizable, gint sort_col_id, gboolean show_as_text,
 252                 GtkTreeCellDataFunc cell_data_func, gpointer user_data)
 253 {
 254         GtkTreeViewColumn *column;
 255
 256         column =  gtk_tree_view_column_new_with_attributes(name, renderer, NULL);
 257         gtk_tree_view_column_set_resizable (column, resizable);
 258
 259         if (show_as_text)
 260                 gtk_tree_view_column_add_attribute (column, renderer, "text",
 261                                                     sort_col_id);
 262         if (sort_col_id >= 0)
 263                 gtk_tree_view_column_set_sort_column_id (column, sort_col_id);
 264
 265         gtk_tree_view_column_set_sort_indicator (column, FALSE);
 266         gtk_tree_view_column_set_reorderable (column, TRUE);
 267
 268         if (cell_data_func)
 269                 gtk_tree_view_column_set_cell_data_func(column, renderer, cell_data_func,
 270                                                         user_data, NULL);
 271
 272 /*      g_signal_connect (G_OBJECT (column), "clicked", */
 273 /*                        G_CALLBACK (column_clicked), obj);  */
 274
 275         return column;
 276 }
 277
 278
 279
 280
 281 static void
 282 remove_all_columns (ModestTnyHeaderTreeView *obj)
 283 {
 284         GList *columns, *cursor;
 285
 286         columns = gtk_tree_view_get_columns (GTK_TREE_VIEW(obj));
 287
 288         for (cursor = columns; cursor; cursor = cursor->next)
 289                 gtk_tree_view_remove_column (GTK_TREE_VIEW(obj),
 290                                              GTK_TREE_VIEW_COLUMN(cursor->data));
 291         g_list_free (columns);
 292 }
 293
 294
 295
 296
 297 static void
 298 init_columns (ModestTnyHeaderTreeView *obj)
 299 {
 300         GtkTreeViewColumn *column;
 301         GtkCellRenderer *renderer_msgtype,
 302                 *renderer_header,
 303                 *renderer_attach;
 304
 305         ModestTnyHeaderTreeViewPrivate *priv;
 306         GSList *cursor;
 307
 308         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(obj);
 309
 310         renderer_msgtype = gtk_cell_renderer_pixbuf_new ();
 311         renderer_attach  = gtk_cell_renderer_pixbuf_new ();
 312         renderer_header = gtk_cell_renderer_text_new ();
 313
 314         remove_all_columns (obj);
 315
 316         for (cursor = priv->columns; cursor; cursor = cursor->next) {
 317                 ModestTnyHeaderTreeViewColumn col =
 318                         (ModestTnyHeaderTreeViewColumn) GPOINTER_TO_INT(cursor->data);
 319
 320                 switch (col) {
 321
 322                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_MSGTYPE:
 323
 324                         column = get_new_column (_("M"), renderer_msgtype, FALSE,
 325                                                  TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 326                                                  FALSE, (GtkTreeCellDataFunc)msgtype_cell_data,
 327                                                  NULL);
 328                         break;
 329
 330                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_ATTACH:
 331
 332                         column = get_new_column (_("A"), renderer_attach, FALSE,
 333                                                  TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 334                                                  FALSE, (GtkTreeCellDataFunc)attach_cell_data,
 335                                                  NULL);
 336                         break;
 337
 338                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_RECEIVED_DATE:
 339                         column = get_new_column (_("Received"), renderer_header, TRUE,
 340                                                  TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 341                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 342                                                  NULL);
 343                         break;
 344
 345                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_FROM:
 346                         column = get_new_column (_("From"), renderer_header, TRUE,
 347                                                  TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
 348                                                  TRUE, (GtkTreeCellDataFunc)sender_cell_data,
 349                                                  NULL);
 350                         break;
 351
 352                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_COMPACT_HEADER:
 353                         column = get_new_column (_("Header"), renderer_header, TRUE,
 354                                                  TNY_MSG_HEADER_LIST_MODEL_FROM_COLUMN,
 355                                                  TRUE, (GtkTreeCellDataFunc)compact_header_cell_data,
 356                                                  NULL);
 357                         break;
 358
 359                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SUBJECT:
 360                         column = get_new_column (_("Subject"), renderer_header, TRUE,
 361                                                  TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 362                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 363                                                  NULL);
 364                         break;
 365
 366
 367                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SENT_DATE:
 368                         column = get_new_column (_("Sent"), renderer_header, TRUE,
 369                                                  TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 370                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 371                                                  NULL);
 372                         break;
 373
 374                 case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_TO:
 375                         column = get_new_column (_("To"), renderer_header, TRUE,
 376                                                  TNY_MSG_HEADER_LIST_MODEL_TO_COLUMN,
 377                                                  TRUE, (GtkTreeCellDataFunc)header_cell_data,
 378                                                  NULL);
 379                         break;
 380                 }
 381                 gtk_tree_view_append_column (GTK_TREE_VIEW(obj), column);
 382         }
 383 }
 384
 385
 386
 387
 388
 389 static void
 390 modest_tny_header_tree_view_init (ModestTnyHeaderTreeView *obj)
 391 {
 392         ModestTnyHeaderTreeViewPrivate *priv;
 393         int i;
 394
 395         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(obj);
 396
 397         for (i = 0; i != MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM; ++i)
 398                 priv->sort_columns[i] = -1;
 399
 400 }
 401
 402 static void
 403 modest_tny_header_tree_view_finalize (GObject *obj)
 404 {
 405         ModestTnyHeaderTreeView        *self;
 406         ModestTnyHeaderTreeViewPrivate *priv;
 407         int i;
 408
 409         self = MODEST_TNY_HEADER_TREE_VIEW(obj);
 410         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 411
 412         if (priv->headers)
 413                 g_object_unref (G_OBJECT(priv->headers));
 414
 415         priv->headers = NULL;
 416         priv->tny_msg_folder    = NULL;
 417 }
 418
 419 GtkWidget*
 420 modest_tny_header_tree_view_new (TnyMsgFolderIface *folder,
 421                                  GSList *columns,
 422                                  ModestTnyHeaderTreeViewStyle style)
 423 {
 424         GObject *obj;
 425         GtkTreeSelection *sel;
 426         ModestTnyHeaderTreeView *self;
 427
 428         obj  = G_OBJECT(g_object_new(MODEST_TYPE_TNY_HEADER_TREE_VIEW, NULL));
 429         self = MODEST_TNY_HEADER_TREE_VIEW(obj);
 430
 431         if (!modest_tny_header_tree_view_set_folder (self, NULL)) {
 432                 g_warning ("could not set the folder");
 433                 g_object_unref (obj);
 434                 return NULL;
 435         }
 436
 437         modest_tny_header_tree_view_set_style   (self, style);
 438         modest_tny_header_tree_view_set_columns (self, columns);
 439
 440         /* all cols */
 441         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 442         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), TRUE);
 443
 444         gtk_tree_view_set_rules_hint (GTK_TREE_VIEW(obj),
 445                                       TRUE); /* alternating row colors */
 446
 447         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 448         g_signal_connect (sel, "changed",
 449                           G_CALLBACK(selection_changed), self);
 450
 451         return GTK_WIDGET(self);
 452 }
 453
 454 gboolean
 455 modest_tny_header_tree_view_set_columns (ModestTnyHeaderTreeView *self, GSList *columns)
 456 {
 457         ModestTnyHeaderTreeViewPrivate *priv;
 458         GSList *cursor;
 459
 460         g_return_val_if_fail (self, FALSE);
 461
 462         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 463
 464         g_slist_free (priv->columns);
 465
 466         for (cursor = columns; cursor; cursor = cursor->next) {
 467                 ModestTnyHeaderTreeViewColumn col =
 468                         (ModestTnyHeaderTreeViewColumn) GPOINTER_TO_INT(cursor->data);
 469                 if (0 > col || col >= MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM)
 470                         g_warning ("invalid column in column list");
 471                 else
 472                         priv->columns = g_slist_append (priv->columns, cursor->data);
 473         }
 474
 475         init_columns (self); /* redraw them */
 476         return TRUE;
 477 }
 478
 479
 480
 481 const GSList*
 482 modest_tny_header_tree_view_get_columns (ModestTnyHeaderTreeView *self)
 483 {
 484         ModestTnyHeaderTreeViewPrivate *priv;
 485         GSList *cursor;
 486
 487         g_return_val_if_fail (self, FALSE);
 488
 489         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 490         return priv->columns;
 491 }
 492
 493
 494
 495
 496 gboolean
 497 modest_tny_header_tree_view_set_style (ModestTnyHeaderTreeView *self,
 498                                        ModestTnyHeaderTreeViewStyle style)
 499 {
 500         g_return_val_if_fail (self, FALSE);
 501         g_return_val_if_fail (style >= 0 && style < MODEST_TNY_HEADER_TREE_VIEW_STYLE_NUM,
 502                               FALSE);
 503
 504         MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self)->style = style;
 505
 506         return TRUE;
 507 }
 508
 509 ModestTnyHeaderTreeViewStyle
 510 modest_tny_header_tree_view_get_style (ModestTnyHeaderTreeView *self)
 511 {
 512         g_return_val_if_fail (self, FALSE);
 513
 514         return MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self)->style;
 515 }
 516
 517
 518
 519 /* get the length of any prefix that should be ignored for sorting */
 520 static int
 521 get_prefix_len (const gchar *sub)
 522 {
 523         int i = 0;
 524         const static gchar* prefix[] = {"Re:", "RE:", "Fwd:", "FWD:", NULL};
 525
 526         if (sub[0] != 'R' && sub[0] != 'F') /* optimization */
 527                 return 0;
 528
 529         while (prefix[i]) {
 530                 if (g_str_has_prefix(sub, prefix[i])) {
 531                         int prefix_len = strlen(prefix[i]);
 532                         if (sub[prefix_len + 1] == ' ')
 533                                 ++prefix_len; /* ignore space after prefix as well */
 534                         return prefix_len;
 535                 }
 536         }
 537         return 0;
 538 }
 539
 540
 541 static gint
 542 cmp_normalized_subject (const gchar* s1, const gchar *s2)
 543 {
 544         /* FIXME: utf8 */
 545         return strcmp (s1 + get_prefix_len(s1),
 546                        s2 + get_prefix_len(s2));
 547 }
 548
 549
 550 static gint
 551 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 552           gpointer user_data)
 553 {
 554         gint col_id = GPOINTER_TO_INT (user_data);
 555         gint val1, val2;
 556
 557         g_return_val_if_fail (GTK_IS_TREE_MODEL(tree_model), -1);
 558
 559         switch (col_id) {
 560
 561         case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_COMPACT_HEADER:
 562         case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_RECEIVED_DATE:
 563                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 564                                     &val1,-1);
 565                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_DATE_RECEIVED_COLUMN,
 566                                     &val2,-1);
 567                 return val1 - val2;
 568
 569
 570         case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SENT_DATE:
 571                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 572                                     &val1,-1);
 573                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_DATE_SENT_COLUMN,
 574                                     &val2,-1);
 575                 return val1 - val2;
 576
 577         case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_SUBJECT: {
 578                 gchar *sub1, *sub2;
 579                 int retval;
 580
 581                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 582                                     &sub1,-1);
 583                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_SUBJECT_COLUMN,
 584                                     &sub2,-1);
 585
 586                 retval = cmp_normalized_subject(sub1, sub2);
 587
 588                 g_free (sub1);
 589                 g_free (sub2);
 590
 591                 return retval;
 592         }
 593
 594         case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_ATTACH:
 595                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 596                                     &val1,-1);
 597                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 598                                     &val2,-1);
 599
 600                 return (val1 & TNY_MSG_HEADER_FLAG_ATTACHMENTS) - (val2 & TNY_MSG_HEADER_FLAG_ATTACHMENTS);
 601
 602
 603         case MODEST_TNY_HEADER_TREE_VIEW_COLUMN_MSGTYPE:
 604                 gtk_tree_model_get (tree_model, iter1, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 605                                     &val1,-1);
 606                 gtk_tree_model_get (tree_model, iter2, TNY_MSG_HEADER_LIST_MODEL_FLAGS_COLUMN,
 607                                     &val2,-1);
 608
 609                 g_message ("%p %p", iter1, iter2);
 610                 return (val1 & TNY_MSG_HEADER_FLAG_SEEN) - (val2 & TNY_MSG_HEADER_FLAG_SEEN);
 611
 612         default:
 613                 g_message ("%p %p", iter1, iter2);
 614                 return &iter1 - &iter2;
 615         }
 616 }
 617
 618
 619 gboolean
 620 modest_tny_header_tree_view_set_folder (ModestTnyHeaderTreeView *self,
 621                                         TnyMsgFolderIface *folder)
 622 {
 623         int i;
 624         GtkTreeModel *oldsortable, *sortable, *oldmodel;
 625         ModestTnyHeaderTreeViewPrivate *priv;
 626
 627         g_return_val_if_fail (self, FALSE);
 628
 629         priv = MODEST_TNY_HEADER_TREE_VIEW_GET_PRIVATE(self);
 630
 631         if (folder) {
 632                 priv->headers = TNY_LIST_IFACE(tny_msg_header_list_model_new ());
 633                 tny_msg_folder_iface_get_headers (folder, priv->headers,
 634                                                   FALSE);
 635                 tny_msg_header_list_model_set_folder (TNY_MSG_HEADER_LIST_MODEL(priv->headers),
 636                                                       folder, TRUE);
 637
 638                 oldsortable = gtk_tree_view_get_model(GTK_TREE_VIEW (self));
 639                 if (oldsortable && GTK_IS_TREE_MODEL_SORT(oldsortable)) {
 640                         GtkTreeModel *oldmodel = gtk_tree_model_sort_get_model
 641                                 (GTK_TREE_MODEL_SORT(oldsortable));
 642                         if (oldmodel)
 643                                 g_object_unref (G_OBJECT(oldmodel));
 644                         g_object_unref (oldsortable);
 645                 }
 646
 647                 sortable = gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(priv->headers));
 648
 649                 for (i = 0; i != MODEST_TNY_HEADER_TREE_VIEW_COLUMN_NUM; ++i) {
 650                         int col_id = priv->sort_columns[i];
 651                         if (col_id >= 0) {
 652                                 g_message ("%d: %p: %p: %d", i, GTK_TREE_SORTABLE(sortable), sortable, col_id);
 653                                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE(sortable), col_id,
 654                                                                  (GtkTreeIterCompareFunc)cmp_rows,
 655                                                                  GINT_TO_POINTER(col_id), NULL);
 656                         }
 657                 }
 658                 gtk_tree_view_set_model (GTK_TREE_VIEW (self), sortable);
 659                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), TRUE);
 660
 661                 /* no need to unref sortable */
 662
 663         } else /* when there is no folder */
 664                 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(self), FALSE);
 665
 666         return TRUE;
 667 }
 668
 669
 670 static void
 671 selection_changed (GtkTreeSelection *sel, gpointer user_data)
 672 {
 673         GtkTreeModel            *model;
 674         TnyMsgHeaderIface       *header;
 675         GtkTreeIter             iter;
 676         ModestTnyHeaderTreeView *tree_view;
 677
 678         g_return_if_fail (sel);
 679         g_return_if_fail (user_data);
 680
 681         if (!gtk_tree_selection_get_selected (sel, &model, &iter))
 682                 return; /* msg was _un_selected */
 683
 684         tree_view = MODEST_TNY_HEADER_TREE_VIEW (user_data);
 685
 686         gtk_tree_model_get (model, &iter,
 687                             TNY_MSG_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 688                             &header, -1);
 689
 690         if (header) {
 691                 TnyMsgHeaderFlags flags;
 692                 const TnyMsgIface *msg;
 693                 const TnyMsgFolderIface *folder;
 694
 695                 folder = tny_msg_header_iface_get_folder (TNY_MSG_HEADER_IFACE(header));
 696                 if (!folder)
 697                         g_message ("cannot find folder");
 698                 else {
 699                         msg = tny_msg_folder_iface_get_message (TNY_MSG_FOLDER_IFACE(folder),
 700                                                                 header);
 701                         if (!msg) {
 702                                 g_message ("cannot find msg");
 703                                 /* FIXME: update display */
 704                         }
 705                 }
 706
 707                 g_signal_emit (G_OBJECT(tree_view), signals[MESSAGE_SELECTED_SIGNAL], 0,
 708                                msg);
 709
 710                 /* mark message as seen; _set_flags crashes, bug in tinymail? */
 711                 flags = tny_msg_header_iface_get_flags (TNY_MSG_HEADER_IFACE(header));
 712                 //tny_msg_header_iface_set_flags (header, flags | TNY_MSG_HEADER_FLAG_SEEN);
 713         }
 714 }
 715
 716 static void
 717 column_clicked (GtkTreeViewColumn *col, gpointer user_data)
 718 {
 719         GtkTreeView *treeview;
 720         gint id;
 721
 722         treeview = GTK_TREE_VIEW (user_data);
 723         id = gtk_tree_view_column_get_sort_column_id (col);
 724
 725         gtk_tree_view_set_search_column (treeview, id);
 726 }