git.maemo.org Git - modest/blob - src/widgets/modest-folder-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 <string.h>
  32
  33 #include <tny-account-store-view.h>
  34 #include <tny-gtk-account-list-model.h>
  35 #include <tny-gtk-folder-store-tree-model.h>
  36 #include <tny-gtk-header-list-model.h>
  37 #include <tny-folder.h>
  38 #include <tny-folder-monitor.h>
  39 #include <tny-account-store.h>
  40 #include <tny-account.h>
  41 #include <tny-folder.h>
  42 #include <tny-camel-folder.h>
  43 #include <tny-simple-list.h>
  44 #include <modest-tny-folder.h>
  45 #include <modest-marshal.h>
  46 #include <modest-icon-names.h>
  47 #include <modest-tny-account-store.h>
  48 #include <modest-text-utils.h>
  49 #include <modest-runtime.h>
  50 #include "modest-folder-view.h"
  51
  52 /* 'private'/'protected' functions */
  53 static void modest_folder_view_class_init  (ModestFolderViewClass *klass);
  54 static void modest_folder_view_init        (ModestFolderView *obj);
  55 static void modest_folder_view_finalize    (GObject *obj);
  56
  57 static void         tny_account_store_view_init (gpointer g,
  58                                                  gpointer iface_data);
  59
  60 static void         modest_folder_view_set_account_store (TnyAccountStoreView *self,
  61                                                           TnyAccountStore     *account_store);
  62
  63 static gboolean     update_model           (ModestFolderView *self,
  64                                             ModestTnyAccountStore *account_store);
  65
  66 static gboolean     update_model_empty     (ModestFolderView *self);
  67
  68 static void         on_selection_changed   (GtkTreeSelection *sel, gpointer data);
  69
  70 static void         on_account_update      (TnyAccountStore *account_store,
  71                                             const gchar *account,
  72                                             gpointer user_data);
  73
  74 static gint         cmp_rows               (GtkTreeModel *tree_model,
  75                                             GtkTreeIter *iter1,
  76                                             GtkTreeIter *iter2,
  77                                             gpointer user_data);
  78
  79 /* DnD functions */
  80 static void         on_drag_data_get       (GtkWidget *widget,
  81                                             GdkDragContext *context,
  82                                             GtkSelectionData *selection_data,
  83                                             guint info,
  84                                             guint time,
  85                                             gpointer data);
  86
  87 static void         on_drag_data_received  (GtkWidget *widget,
  88                                             GdkDragContext *context,
  89                                             gint x,
  90                                             gint y,
  91                                             GtkSelectionData *selection_data,
  92                                             guint info,
  93                                             guint time,
  94                                             gpointer data);
  95
  96 static gboolean     on_drag_motion         (GtkWidget      *widget,
  97                                             GdkDragContext *context,
  98                                             gint            x,
  99                                             gint            y,
 100                                             guint           time,
 101                                             gpointer        user_data);
 102
 103 static gint         expand_row_timeout     (gpointer data);
 104
 105 static void         setup_drag_and_drop    (GtkTreeView *self);
 106
 107 enum {
 108         TARGET_TREE_ROW,
 109 };
 110
 111 static const GtkTargetEntry drag_types[] =
 112 {
 113         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_WIDGET, TARGET_TREE_ROW },
 114 };
 115
 116 #define ROW_REF_DATA_NAME "row-ref"
 117
 118 enum {
 119         FOLDER_SELECTION_CHANGED_SIGNAL,
 120         FOLDER_MOVED_SIGNAL,
 121         LAST_SIGNAL
 122 };
 123
 124 typedef struct _ModestFolderViewPrivate ModestFolderViewPrivate;
 125 struct _ModestFolderViewPrivate {
 126         TnyAccountStore     *account_store;
 127         TnyFolder           *cur_folder;
 128         GtkTreeRowReference *cur_row;
 129
 130         gulong               sig1, sig2;
 131         GMutex              *lock;
 132
 133         GtkTreeSelection    *cur_selection;
 134         TnyFolderStoreQuery *query;
 135         guint                timer_expander;
 136
 137         TnyFolderMonitor    *monitor;
 138 };
 139 #define MODEST_FOLDER_VIEW_GET_PRIVATE(o)                       \
 140         (G_TYPE_INSTANCE_GET_PRIVATE((o),                       \
 141                                      MODEST_TYPE_FOLDER_VIEW,   \
 142                                      ModestFolderViewPrivate))
 143 /* globals */
 144 static GObjectClass *parent_class = NULL;
 145
 146 static guint signals[LAST_SIGNAL] = {0};
 147
 148 GType
 149 modest_folder_view_get_type (void)
 150 {
 151         static GType my_type = 0;
 152         if (!my_type) {
 153                 static const GTypeInfo my_info = {
 154                         sizeof(ModestFolderViewClass),
 155                         NULL,           /* base init */
 156                         NULL,           /* base finalize */
 157                         (GClassInitFunc) modest_folder_view_class_init,
 158                         NULL,           /* class finalize */
 159                         NULL,           /* class data */
 160                         sizeof(ModestFolderView),
 161                         1,              /* n_preallocs */
 162                         (GInstanceInitFunc) modest_folder_view_init,
 163                         NULL
 164                 };
 165
 166                 static const GInterfaceInfo tny_account_store_view_info = {
 167                         (GInterfaceInitFunc) tny_account_store_view_init, /* interface_init */
 168                         NULL,         /* interface_finalize */
 169                         NULL          /* interface_data */
 170                 };
 171
 172
 173                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 174                                                   "ModestFolderView",
 175                                                   &my_info, 0);
 176
 177                 g_type_add_interface_static (my_type,
 178                                              TNY_TYPE_ACCOUNT_STORE_VIEW,
 179                                              &tny_account_store_view_info);
 180         }
 181         return my_type;
 182 }
 183
 184 static void
 185 modest_folder_view_class_init (ModestFolderViewClass *klass)
 186 {
 187         GObjectClass *gobject_class;
 188         gobject_class = (GObjectClass*) klass;
 189
 190         parent_class            = g_type_class_peek_parent (klass);
 191         gobject_class->finalize = modest_folder_view_finalize;
 192
 193         klass->update_model = modest_folder_view_update_model;
 194
 195         g_type_class_add_private (gobject_class,
 196                                   sizeof(ModestFolderViewPrivate));
 197
 198         signals[FOLDER_SELECTION_CHANGED_SIGNAL] =
 199                 g_signal_new ("folder_selection_changed",
 200                               G_TYPE_FROM_CLASS (gobject_class),
 201                               G_SIGNAL_RUN_FIRST,
 202                               G_STRUCT_OFFSET (ModestFolderViewClass,
 203                                                folder_selection_changed),
 204                               NULL, NULL,
 205                               modest_marshal_VOID__POINTER_BOOLEAN,
 206                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_BOOLEAN);
 207
 208         /**
 209          * ModestFolderView::folder-moved
 210          * @self: the #MailOperation that emits the signal
 211          * @folder: the #TnyFolder that is going to be moved
 212          * @parent: then #TnyFolderStore that is going to be the new parent
 213          * @done: indicates if the folder move was correctly completed or not
 214          * @user_data: user data set when the signal handler was connected
 215          *
 216          * Emitted when a the user wants to move a folder through a
 217          * drag and drop action
 218          */
 219         signals[FOLDER_MOVED_SIGNAL] =
 220                 g_signal_new ("folder_moved",
 221                               G_TYPE_FROM_CLASS (gobject_class),
 222                               G_SIGNAL_RUN_FIRST,
 223                               G_STRUCT_OFFSET (ModestFolderViewClass, folder_moved),
 224                               NULL, NULL,
 225                               modest_marshal_VOID__POINTER_POINTER_POINTER,
 226                               G_TYPE_NONE, 3, G_TYPE_POINTER, G_TYPE_POINTER, G_TYPE_POINTER);
 227 }
 228
 229
 230
 231 static void
 232 text_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 233                  GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer data)
 234 {
 235         GObject *rendobj;
 236         gchar *fname;
 237         gint unread;
 238         TnyFolderType type;
 239         TnyFolder *folder;
 240
 241         g_return_if_fail (column);
 242         g_return_if_fail (tree_model);
 243
 244         gtk_tree_model_get (tree_model, iter,
 245                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
 246                             TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread,
 247                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 248                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
 249                             -1);
 250         rendobj = G_OBJECT(renderer);
 251
 252         if (!fname)
 253                 return;
 254
 255         if (folder && type != TNY_FOLDER_TYPE_ROOT) { /* FIXME: tnymail bug? crashes with root folders */
 256                 if (modest_tny_folder_is_local_folder (folder)) {
 257                         TnyFolderType type;
 258                         type = modest_tny_folder_get_local_folder_type (folder);
 259                         if (type != TNY_FOLDER_TYPE_UNKNOWN) {
 260                                 g_free (fname);
 261                                 fname = g_strdup(modest_local_folder_info_get_type_display_name (type));
 262                         }
 263                 }
 264         } else if (folder && type == TNY_FOLDER_TYPE_ROOT) {
 265                 if (strcmp (fname, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0) {/* FIXME: hack */
 266                         g_free (fname);
 267                         fname = g_strdup (MODEST_LOCAL_FOLDERS_DISPLAY_NAME);
 268                 }
 269         }
 270
 271         if (unread > 0) {
 272                 gchar *folder_title = g_strdup_printf ("%s (%d)", fname, unread);
 273                 g_object_set (rendobj,"text", folder_title,  "weight", 800, NULL);
 274                 g_free (folder_title);
 275         } else
 276                 g_object_set (rendobj,"text", fname, "weight", 400, NULL);
 277
 278         g_free (fname);
 279         if (folder)
 280                 g_object_unref (G_OBJECT(folder));
 281
 282 }
 283
 284
 285 static GdkPixbuf*
 286 get_cached_icon (const gchar *name)
 287 {
 288         GError *err = NULL;
 289         gpointer pixbuf;
 290         gpointer orig_key;
 291         static GHashTable *icon_cache = NULL;
 292
 293         g_return_val_if_fail (name, NULL);
 294
 295         if (G_UNLIKELY(!icon_cache))
 296                 icon_cache = modest_cache_mgr_get_cache (modest_runtime_get_cache_mgr(),
 297                                                          MODEST_CACHE_MGR_CACHE_TYPE_PIXBUF);
 298
 299         if (!icon_cache || !g_hash_table_lookup_extended (icon_cache, name, &orig_key, &pixbuf)) {
 300                 pixbuf = (gpointer)gdk_pixbuf_new_from_file (name, &err);
 301                 if (!pixbuf) {
 302                         g_printerr ("modest: error in icon factory while loading '%s': %s\n",
 303                                     name, err->message);
 304                         g_error_free (err);
 305                 }
 306                 /* if we cannot find it, we still insert (if we have a cache), so we get the error
 307                  * only once */
 308                 if (icon_cache)
 309                         g_hash_table_insert (icon_cache, g_strdup(name),(gpointer)pixbuf);
 310         }
 311         return GDK_PIXBUF(pixbuf);
 312 }
 313
 314
 315 static void
 316 icon_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 317                  GtkTreeModel *tree_model,  GtkTreeIter *iter, gpointer data)
 318 {
 319         GObject *rendobj;
 320         GdkPixbuf *pixbuf;
 321         TnyFolderType type;
 322         gchar *fname = NULL;
 323         gint unread;
 324
 325         rendobj = G_OBJECT(renderer);
 326         gtk_tree_model_get (tree_model, iter,
 327                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 328                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
 329                             TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread, -1);
 330         rendobj = G_OBJECT(renderer);
 331
 332         if (type == TNY_FOLDER_TYPE_NORMAL || type == TNY_FOLDER_TYPE_UNKNOWN) {
 333                 type = modest_tny_folder_guess_folder_type_from_name (fname);
 334         }
 335         g_free (fname);
 336
 337         switch (type) {
 338         case TNY_FOLDER_TYPE_ROOT:
 339                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_ACCOUNT);
 340                 break;
 341         case TNY_FOLDER_TYPE_INBOX:
 342                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_INBOX);
 343                 break;
 344         case TNY_FOLDER_TYPE_OUTBOX:
 345                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_OUTBOX);
 346                 break;
 347         case TNY_FOLDER_TYPE_JUNK:
 348                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_JUNK);
 349                 break;
 350         case TNY_FOLDER_TYPE_SENT:
 351                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_SENT);
 352                 break;
 353         case TNY_FOLDER_TYPE_TRASH:
 354                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_TRASH);
 355                 break;
 356         case TNY_FOLDER_TYPE_DRAFTS:
 357                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_DRAFTS);
 358                 break;
 359         case TNY_FOLDER_TYPE_NOTES:
 360                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_NOTES);
 361                 break;
 362         case TNY_FOLDER_TYPE_CALENDAR:
 363                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_CALENDAR);
 364                 break;
 365         case TNY_FOLDER_TYPE_CONTACTS:
 366                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_CONTACTS);
 367                 break;
 368         case TNY_FOLDER_TYPE_NORMAL:
 369         default:
 370                 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_NORMAL);
 371                 break;
 372         }
 373         g_object_set (rendobj, "pixbuf", pixbuf, NULL);
 374 }
 375
 376 static void
 377 modest_folder_view_init (ModestFolderView *obj)
 378 {
 379         ModestFolderViewPrivate *priv;
 380         GtkTreeViewColumn *column;
 381         GtkCellRenderer *renderer;
 382         GtkTreeSelection *sel;
 383
 384         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 385
 386         priv->timer_expander = 0;
 387         priv->account_store  = NULL;
 388         priv->cur_folder     = NULL;
 389         priv->cur_row        = NULL;
 390         priv->query          = NULL;
 391         priv->monitor        = NULL;
 392
 393         priv->lock           = g_mutex_new ();
 394
 395         column = gtk_tree_view_column_new ();
 396         gtk_tree_view_append_column (GTK_TREE_VIEW(obj),column);
 397
 398         renderer = gtk_cell_renderer_pixbuf_new();
 399         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 400         gtk_tree_view_column_set_cell_data_func(column, renderer,
 401                                                 icon_cell_data, NULL, NULL);
 402
 403         renderer = gtk_cell_renderer_text_new();
 404         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 405         gtk_tree_view_column_set_cell_data_func(column, renderer,
 406                                                 text_cell_data, NULL, NULL);
 407
 408         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 409         gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
 410
 411         gtk_tree_view_column_set_spacing (column, 2);
 412         gtk_tree_view_column_set_resizable (column, TRUE);
 413         gtk_tree_view_column_set_fixed_width (column, TRUE);
 414         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), FALSE);
 415         gtk_tree_view_set_enable_search     (GTK_TREE_VIEW(obj), FALSE);
 416
 417         setup_drag_and_drop (GTK_TREE_VIEW(obj));
 418 }
 419
 420 static void
 421 tny_account_store_view_init (gpointer g, gpointer iface_data)
 422 {
 423         TnyAccountStoreViewIface *klass = (TnyAccountStoreViewIface *)g;
 424
 425         klass->set_account_store_func = modest_folder_view_set_account_store;
 426
 427         return;
 428 }
 429
 430 static void
 431 modest_folder_view_finalize (GObject *obj)
 432 {
 433         ModestFolderViewPrivate *priv;
 434         GtkTreeSelection    *sel;
 435
 436         g_return_if_fail (obj);
 437
 438         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 439
 440         if (priv->timer_expander != 0) {
 441                 g_source_remove (priv->timer_expander);
 442                 priv->timer_expander = 0;
 443         }
 444
 445         if (priv->account_store) {
 446                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
 447                                              priv->sig1);
 448                 g_object_unref (G_OBJECT(priv->account_store));
 449                 priv->account_store = NULL;
 450         }
 451
 452         if (priv->lock) {
 453                 g_mutex_free (priv->lock);
 454                 priv->lock = NULL;
 455         }
 456
 457         if (priv->query) {
 458                 g_object_unref (G_OBJECT (priv->query));
 459                 priv->query = NULL;
 460         }
 461
 462         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 463         if (sel)
 464                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig2);
 465
 466         G_OBJECT_CLASS(parent_class)->finalize (obj);
 467 }
 468
 469
 470 static void
 471 modest_folder_view_set_account_store (TnyAccountStoreView *self, TnyAccountStore *account_store)
 472 {
 473         ModestFolderViewPrivate *priv;
 474         TnyDevice *device;
 475
 476         g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
 477         g_return_if_fail (TNY_IS_ACCOUNT_STORE (account_store));
 478
 479         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 480         device = tny_account_store_get_device (account_store);
 481
 482         if (G_UNLIKELY (priv->account_store)) {
 483                 TnyDevice *old_device;
 484
 485                 old_device = tny_account_store_get_device (priv->account_store);
 486
 487                 if (g_signal_handler_is_connected (G_OBJECT (old_device), priv->sig1))
 488                         g_signal_handler_disconnect (G_OBJECT (old_device),
 489                                                      priv->sig1);
 490
 491                 g_object_unref (G_OBJECT (priv->account_store));
 492                 g_object_unref (G_OBJECT (old_device));
 493         }
 494
 495         priv->account_store = g_object_ref (G_OBJECT (account_store));
 496
 497         priv->sig1 = g_signal_connect (G_OBJECT(account_store), "account_update",
 498                                        G_CALLBACK (on_account_update), self);
 499
 500         if (!update_model (MODEST_FOLDER_VIEW (self),
 501                            MODEST_TNY_ACCOUNT_STORE (priv->account_store)))
 502                 g_printerr ("modest: failed to update model\n");
 503
 504         g_object_unref (G_OBJECT (device));
 505 }
 506
 507 static void
 508 on_account_update (TnyAccountStore *account_store, const gchar *account,
 509                    gpointer user_data)
 510 {
 511         if (!update_model (MODEST_FOLDER_VIEW(user_data),
 512                            MODEST_TNY_ACCOUNT_STORE(account_store)))
 513                 g_printerr ("modest: failed to update model for changes in '%s'",
 514                             account);
 515 }
 516
 517 void
 518 modest_folder_view_set_title (ModestFolderView *self, const gchar *title)
 519 {
 520         GtkTreeViewColumn *col;
 521
 522         g_return_if_fail (self);
 523
 524         col = gtk_tree_view_get_column (GTK_TREE_VIEW(self), 0);
 525         if (!col) {
 526                 g_printerr ("modest: failed get column for title\n");
 527                 return;
 528         }
 529
 530         gtk_tree_view_column_set_title (col, title);
 531         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self),
 532                                            title != NULL);
 533 }
 534
 535 GtkWidget*
 536 modest_folder_view_new (TnyFolderStoreQuery *query)
 537 {
 538         GObject *self;
 539         ModestFolderViewPrivate *priv;
 540         GtkTreeSelection *sel;
 541
 542         self = G_OBJECT (g_object_new (MODEST_TYPE_FOLDER_VIEW, NULL));
 543         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 544
 545         priv->query = g_object_ref (query);
 546
 547         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 548         priv->sig2 = g_signal_connect (sel, "changed",
 549                                        G_CALLBACK (on_selection_changed), self);
 550         return GTK_WIDGET(self);
 551 }
 552
 553
 554 static gboolean
 555 update_model_empty (ModestFolderView *self)
 556 {
 557         ModestFolderViewPrivate *priv;
 558
 559         g_return_val_if_fail (self, FALSE);
 560         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 561
 562         g_mutex_lock (priv->lock);
 563         {
 564                 if (priv->monitor) {
 565                         tny_folder_monitor_stop (priv->monitor);
 566                         g_object_unref(G_OBJECT(priv->monitor));
 567                         priv->monitor = NULL;
 568                 }
 569         }
 570         g_mutex_unlock (priv->lock);
 571
 572         g_signal_emit (G_OBJECT(self), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 573                        NULL, TRUE);
 574         return TRUE;
 575 }
 576
 577
 578 /* this feels dirty; any other way to expand all the root items? */
 579 static void
 580 expand_root_items (ModestFolderView *self)
 581 {
 582         GtkTreePath *path;
 583         path = gtk_tree_path_new_first ();
 584
 585         /* all folders should have child items, so.. */
 586         while (gtk_tree_view_expand_row (GTK_TREE_VIEW(self), path, FALSE))
 587                 gtk_tree_path_next (path);
 588
 589         gtk_tree_path_free (path);
 590 }
 591
 592 static gboolean
 593 update_model (ModestFolderView *self, ModestTnyAccountStore *account_store)
 594 {
 595         ModestFolderViewPrivate *priv;
 596
 597         TnyList          *account_list;
 598         GtkTreeModel     *model, *sortable;
 599
 600         g_return_val_if_fail (account_store, FALSE);
 601
 602         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 603
 604         /* Notify that there is no folder selected */
 605         update_model_empty (self);
 606
 607         /* FIXME: the local accounts are not shown when the query
 608            selects only the subscribed folders. */
 609 /*      model        = tny_gtk_folder_store_tree_model_new (TRUE, priv->query); */
 610         model        = tny_gtk_folder_store_tree_model_new (TRUE, NULL);
 611         account_list = TNY_LIST(model);
 612
 613         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(account_store),
 614                                         account_list,
 615                                         TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
 616         if (account_list) {
 617                 sortable = gtk_tree_model_sort_new_with_model (model);
 618                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 619                                                       TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
 620                                                       GTK_SORT_ASCENDING);
 621                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (sortable),
 622                                                  TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
 623                                                  cmp_rows, NULL, NULL);
 624
 625                 /* Set new model */
 626                 gtk_tree_view_set_model (GTK_TREE_VIEW(self), sortable);
 627                 expand_root_items (self); /* expand all account folders */
 628                 g_object_unref (account_list);
 629         }
 630
 631         //if (model)
 632         //      g_object_unref (model);
 633
 634         return TRUE;
 635 }
 636
 637
 638 static void
 639 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 640 {
 641         GtkTreeModel            *model_sort, *model;
 642         TnyFolder               *folder = NULL;
 643         GtkTreeIter             iter, iter_sort;
 644         GtkTreePath            *path;
 645         ModestFolderView        *tree_view;
 646         ModestFolderViewPrivate *priv;
 647         gint                    type;
 648
 649         g_return_if_fail (sel);
 650         g_return_if_fail (user_data);
 651
 652         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(user_data);
 653         priv->cur_selection = sel;
 654
 655         /* folder was _un_selected if true */
 656         if (!gtk_tree_selection_get_selected (sel, &model_sort, &iter_sort)) {
 657                 priv->cur_folder = NULL; /* FIXME: need this? */
 658                 priv->cur_row = NULL; /* FIXME: need this? */
 659                 return;
 660         }
 661
 662         model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 663         gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (model_sort),
 664                                                         &iter,
 665                                                         &iter_sort);
 666
 667         tree_view = MODEST_FOLDER_VIEW (user_data);
 668
 669         gtk_tree_model_get (model, &iter,
 670                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 671                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
 672                             -1);
 673
 674         if (type == TNY_FOLDER_TYPE_ROOT)
 675                 return;
 676
 677         /* emit 2 signals: one for the unselection of the old one,
 678          * and one for the selection of the new on */
 679         g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 680                        priv->cur_folder, FALSE);
 681
 682         if (priv->cur_folder) {
 683 /*              tny_folder_sync (priv->cur_folder, TRUE, NULL); /\* FIXME *\/ */
 684                 gtk_tree_row_reference_free (priv->cur_row);
 685         }
 686         priv->cur_folder = folder;
 687         g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 688                        folder, TRUE);
 689
 690         path = gtk_tree_model_get_path (model_sort, &iter_sort);
 691         priv->cur_row = gtk_tree_row_reference_new (model_sort, path);
 692         gtk_tree_path_free (path);
 693 }
 694
 695 gboolean
 696 modest_folder_view_update_model (ModestFolderView *self, TnyAccountStore *account_store)
 697 {
 698         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (self), FALSE);
 699
 700         g_signal_emit (G_OBJECT(self), signals[FOLDER_SELECTION_CHANGED_SIGNAL],
 701                        0, NULL, TRUE);
 702
 703         return update_model (self, MODEST_TNY_ACCOUNT_STORE(account_store)); /* ugly */
 704 }
 705
 706 TnyFolder *
 707 modest_folder_view_get_selected (ModestFolderView *self)
 708 {
 709         ModestFolderViewPrivate *priv;
 710
 711         g_return_val_if_fail (self, NULL);
 712
 713         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 714         if (priv->cur_folder)
 715                 g_object_ref (priv->cur_folder);
 716
 717         return priv->cur_folder;
 718 }
 719
 720 static gboolean
 721 get_model_iter (ModestFolderView *self,
 722                 GtkTreeModel **model,
 723                 GtkTreeIter *iter)
 724 {
 725         GtkTreeModel *model_sort;
 726         GtkTreeIter iter_sort;
 727         GtkTreePath *path;
 728         ModestFolderViewPrivate *priv;
 729
 730         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 731
 732         if (!priv->cur_folder)
 733                 return FALSE;
 734
 735         if (!gtk_tree_row_reference_valid (priv->cur_row))
 736                 return FALSE;
 737
 738         model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 739         *model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 740
 741         /* Get path to retrieve iter */
 742         path = gtk_tree_row_reference_get_path (priv->cur_row);
 743         if (!gtk_tree_model_get_iter (model_sort, &iter_sort, path))
 744                 return FALSE;
 745
 746         gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (model_sort),
 747                                                         iter,
 748                                                         &iter_sort);
 749         return TRUE;
 750 }
 751
 752 gboolean
 753 modest_folder_view_rename (ModestFolderView *self)
 754 {
 755         GtkTreeModel *model;
 756         GtkTreeIter iter;
 757         ModestFolderViewPrivate *priv;
 758         gchar *old_name;
 759
 760         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (self), FALSE);
 761
 762         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 763
 764         if (!get_model_iter (self, &model, &iter))
 765                 return FALSE;
 766
 767         /* Remove old name */
 768         gtk_tree_model_get (model, &iter,
 769                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
 770                             &old_name, -1);
 771         g_free (old_name);
 772
 773         /* Set new name */
 774         gtk_tree_store_set (GTK_TREE_STORE (model), &iter,
 775                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
 776                             tny_folder_get_name (priv->cur_folder), -1);
 777
 778         /* Invalidate selection */
 779         g_signal_emit (G_OBJECT(self), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 780                        priv->cur_folder, TRUE);
 781
 782         return TRUE;
 783 }
 784
 785 gboolean
 786 modest_folder_view_add_subfolder (ModestFolderView *self, TnyFolder *folder)
 787 {
 788         GtkTreeModel *model;
 789         GtkTreeIter iter, child;
 790
 791         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (self), FALSE);
 792
 793         if (!get_model_iter (self, &model, &iter))
 794                 return FALSE;
 795
 796         /* Append a new child to the folder */
 797         gtk_tree_store_append (GTK_TREE_STORE (model), &child, &iter);
 798         gtk_tree_store_set (GTK_TREE_STORE (model), &child,
 799                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
 800                             tny_folder_get_name (TNY_FOLDER (folder)),
 801                             TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN,
 802                             tny_folder_get_unread_count (TNY_FOLDER (folder)),
 803                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN,
 804                             tny_folder_get_folder_type (TNY_FOLDER (folder)),
 805                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
 806                             folder, -1);
 807
 808         return TRUE;
 809 }
 810
 811 static gint
 812 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 813           gpointer user_data)
 814 {
 815         gint cmp;
 816         gchar         *name1, *name2;
 817         TnyFolderType type;
 818         TnyFolder     *folder1, *folder2;
 819
 820         gtk_tree_model_get (tree_model, iter1,
 821                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name1,
 822                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 823                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder1,
 824                             -1);
 825         gtk_tree_model_get (tree_model, iter2,
 826                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name2,
 827                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder2,
 828                             -1);
 829
 830         /* local_folders should be the last one */
 831         if (type == TNY_FOLDER_TYPE_ROOT) {
 832                 /* the account name is also the name of the root folder
 833                  * in case of local folders */
 834                 if (name1 && strcmp (name1, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0)
 835                         cmp = +1;
 836                 else if (name2 && strcmp (name2, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0)
 837                         cmp = -1;
 838                 else
 839                         cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
 840         } else
 841                 cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
 842
 843
 844         if (folder1)
 845                 g_object_unref(G_OBJECT(folder1));
 846         if (folder2)
 847                 g_object_unref(G_OBJECT(folder2));
 848
 849         g_free (name1);
 850         g_free (name2);
 851
 852         return cmp;
 853 }
 854
 855 /*****************************************************************************/
 856 /*                        DRAG and DROP stuff                                */
 857 /*****************************************************************************/
 858
 859 /*
 860  * This function fills the #GtkSelectionData with the row and the
 861  * model that has been dragged. It's called when this widget is a
 862  * source for dnd after the event drop happened
 863  */
 864 static void
 865 on_drag_data_get (GtkWidget *widget,
 866                   GdkDragContext *context,
 867                   GtkSelectionData *selection_data,
 868                   guint info,
 869                   guint time,
 870                   gpointer data)
 871 {
 872         GtkTreeSelection *selection;
 873         GtkTreeModel *model_sort, *model;
 874         GtkTreeIter iter;
 875         GtkTreePath *source_row_sort;
 876         GtkTreePath *source_row;
 877
 878         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
 879         gtk_tree_selection_get_selected (selection, &model_sort, &iter);
 880         source_row_sort = gtk_tree_model_get_path (model_sort, &iter);
 881
 882         /* Get the unsorted path and model */
 883         model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 884         source_row = gtk_tree_model_sort_convert_path_to_child_path (GTK_TREE_MODEL_SORT (model_sort),
 885                                                                      source_row_sort);
 886
 887         gtk_tree_set_row_drag_data (selection_data,
 888                                     model,
 889                                     source_row);
 890
 891         gtk_tree_path_free (source_row_sort);
 892         gtk_tree_path_free (source_row);
 893 }
 894
 895 /*
 896  * This function receives the data set by the "drag-data-get" signal
 897  * handler. This information comes within the #GtkSelectionData. This
 898  * function will manage both the drags of folders of the treeview and
 899  * drags of headers of the header view widget.
 900  */
 901 static void
 902 on_drag_data_received (GtkWidget *widget,
 903                        GdkDragContext *context,
 904                        gint x,
 905                        gint y,
 906                        GtkSelectionData *selection_data,
 907                        guint target_type,
 908                        guint time,
 909                        gpointer data)
 910 {
 911         GtkWidget *source_widget;
 912         GtkTreeModel *model_sort, *dest_model, *source_model;
 913         GtkTreePath *source_row, *dest_row, *child_dest_row;
 914         GtkTreeViewDropPosition pos;
 915         gboolean success = FALSE, delete_source = FALSE;
 916
 917         /* Do not allow further process */
 918         g_signal_stop_emission_by_name (widget, "drag-data-received");
 919
 920         /* Check if the get_data failed */
 921         if (selection_data == NULL || selection_data->length < 0)
 922                 return;
 923
 924         /* Get the action */
 925         if (context->action == GDK_ACTION_MOVE)
 926                 delete_source = TRUE;
 927
 928         /* Get the models */
 929         source_widget = gtk_drag_get_source_widget (context);
 930         model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
 931
 932         gtk_tree_get_row_drag_data (selection_data,
 933                                     &source_model,
 934                                     &source_row);
 935
 936         /* Select the destination model */
 937         if (source_widget == widget)
 938                 dest_model = source_model;
 939         else
 940                 dest_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 941
 942
 943         /* Get the path to the destination row. Can not call
 944            gtk_tree_view_get_drag_dest_row() because the source row
 945            it's not selected anymore */
 946         gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
 947                                            x, y,
 948                                            &dest_row,
 949                                            &pos);
 950
 951         /* Only allow drops IN other rows */
 952         if (!dest_row ||
 953             pos == GTK_TREE_VIEW_DROP_BEFORE ||
 954             pos == GTK_TREE_VIEW_DROP_AFTER)
 955                 goto finish;
 956
 957         /* Get the destination row in the usorted model */
 958         child_dest_row =
 959                 gtk_tree_model_sort_convert_path_to_child_path (GTK_TREE_MODEL_SORT (model_sort),
 960                                                                 dest_row);
 961         gtk_tree_path_free (dest_row);
 962
 963         /* Drags from the header view */
 964         if ((target_type == TARGET_TREE_ROW) && (source_widget != widget)) {
 965
 966                 /* TODO: do the mail operation */
 967
 968                 success = TRUE;
 969         } else {
 970                 GtkTreeRowReference *source_row_reference;
 971                 GtkTreeIter parent_iter, iter;
 972                 TnyFolder *folder;
 973                 TnyFolderStore *parent_folder;
 974                 gboolean done;
 975
 976                 /* Check if the drag is possible */
 977                 if (!gtk_tree_path_compare (source_row, child_dest_row))
 978                         goto out;
 979
 980                 if (!gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (dest_model),
 981                                                            child_dest_row,
 982                                                            selection_data))
 983                         goto out;
 984
 985                 /* Do the mail operation */
 986                 gtk_tree_model_get_iter (source_model, &parent_iter, child_dest_row);
 987                 gtk_tree_model_get_iter (source_model, &iter, source_row);
 988                 gtk_tree_model_get (source_model, &parent_iter,
 989                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
 990                                     &parent_folder, -1);
 991                 gtk_tree_model_get (source_model, &iter,
 992                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
 993                                     &folder, -1);
 994
 995                 g_signal_emit (G_OBJECT (widget), signals[FOLDER_MOVED_SIGNAL], 0,
 996                                folder, parent_folder, &done);
 997                 if (!done)
 998                         goto out;
 999
1000                 /* Get a row reference to the source path because the path
1001                    could change after the insertion. The gtk_drag_finish() is
1002                    not able to delete the source because that, so we have to
1003                    do it manually */
1004                 source_row_reference = gtk_tree_row_reference_new (source_model, source_row);
1005                 gtk_tree_path_free (source_row);
1006
1007                 /* Insert the dragged row as a child of the dest row */
1008                 gtk_tree_path_down (child_dest_row);
1009                 if (gtk_tree_drag_dest_drag_data_received (GTK_TREE_DRAG_DEST (dest_model),
1010                                                            child_dest_row,
1011                                                            selection_data)) {
1012
1013                         source_row = gtk_tree_row_reference_get_path (source_row_reference);
1014
1015                         success = TRUE;
1016                 }
1017                 gtk_tree_row_reference_free (source_row_reference);
1018
1019                 if (folder)
1020                         g_object_unref (G_OBJECT(folder));
1021                 if (parent_folder)
1022                         g_object_unref (G_OBJECT(parent_folder));
1023
1024         }
1025  out:
1026         gtk_tree_path_free (child_dest_row);
1027
1028         /* Save the new path, will be used by the
1029            drag-data-delete handler */
1030         if (success)
1031                 g_object_set_data (G_OBJECT (source_widget),
1032                                    ROW_REF_DATA_NAME,
1033                                    gtk_tree_path_copy (source_row));
1034
1035  finish:
1036         gtk_drag_finish (context, success, (success && delete_source), time);
1037 }
1038
1039 /*
1040  * We define a "drag-drop" signal handler because we do not want to
1041  * use the default one, because the default one always calls
1042  * gtk_drag_finish and we prefer to do it in the "drag-data-received"
1043  * signal handler, because there we have all the information available
1044  * to know if the dnd was a success or not.
1045  */
1046 static gboolean
1047 drag_drop_cb (GtkWidget      *widget,
1048               GdkDragContext *context,
1049               gint            x,
1050               gint            y,
1051               guint           time,
1052               gpointer        user_data)
1053 {
1054         if (!context->targets)
1055                 return FALSE;
1056
1057         /* Request the data from the source. */
1058         gtk_drag_get_data(widget,
1059                           context,
1060                           GDK_POINTER_TO_ATOM (context->targets->data),
1061                           time);
1062
1063     return TRUE;
1064 }
1065
1066 /*
1067  * This function deletes the data that has been dragged from its
1068  * source widget. Since is a function received by the source of the
1069  * drag, this function only deletes rows of the folder view
1070  * widget. The header view widget will need to define its own one.
1071  */
1072 static void
1073 drag_data_delete_cb (GtkWidget      *widget,
1074                      GdkDragContext *context,
1075                      gpointer        user_data)
1076 {
1077         GtkTreePath *source_row;
1078         GtkTreeModel *model_sort, *model;
1079
1080         /* Clean dest row */
1081         gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget),
1082                                          NULL,
1083                                          GTK_TREE_VIEW_DROP_BEFORE);
1084
1085         model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
1086         model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
1087         source_row = g_object_steal_data (G_OBJECT (widget), ROW_REF_DATA_NAME);
1088
1089         /* Delete the source row */
1090         gtk_tree_drag_source_drag_data_delete (GTK_TREE_DRAG_SOURCE (model),
1091                                                source_row);
1092
1093         gtk_tree_path_free (source_row);
1094 }
1095
1096 /*
1097  * This function expands a node of a tree view if it's not expanded
1098  * yet. Not sure why it needs the threads stuff, but gtk+`example code
1099  * does that, so that's why they're here.
1100  */
1101 static gint
1102 expand_row_timeout (gpointer data)
1103 {
1104         GtkTreeView *tree_view = data;
1105         GtkTreePath *dest_path = NULL;
1106         GtkTreeViewDropPosition pos;
1107         gboolean result = FALSE;
1108
1109         GDK_THREADS_ENTER ();
1110
1111         gtk_tree_view_get_drag_dest_row (tree_view,
1112                                          &dest_path,
1113                                          &pos);
1114
1115         if (dest_path &&
1116             (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
1117              pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) {
1118                 gtk_tree_view_expand_row (tree_view, dest_path, FALSE);
1119                 gtk_tree_path_free (dest_path);
1120         }
1121         else {
1122                 if (dest_path)
1123                         gtk_tree_path_free (dest_path);
1124
1125                 result = TRUE;
1126         }
1127
1128         GDK_THREADS_LEAVE ();
1129
1130         return result;
1131 }
1132
1133 /*
1134  * This function is called whenever the pointer is moved over a widget
1135  * while dragging some data. It installs a timeout that will expand a
1136  * node of the treeview if not expanded yet. This function also calls
1137  * gdk_drag_status in order to set the suggested action that will be
1138  * used by the "drag-data-received" signal handler to know if we
1139  * should do a move or just a copy of the data.
1140  */
1141 static gboolean
1142 on_drag_motion (GtkWidget      *widget,
1143                 GdkDragContext *context,
1144                 gint            x,
1145                 gint            y,
1146                 guint           time,
1147                 gpointer        user_data)
1148 {
1149         GtkTreeViewDropPosition pos;
1150         GtkTreePath *dest_row;
1151         ModestFolderViewPrivate *priv;
1152         GdkDragAction suggested_action;
1153
1154         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (widget);
1155
1156         if (priv->timer_expander != 0) {
1157                 g_source_remove (priv->timer_expander);
1158                 priv->timer_expander = 0;
1159         }
1160
1161         gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
1162                                            x, y,
1163                                            &dest_row,
1164                                            &pos);
1165
1166         if (!dest_row)
1167                 return FALSE;
1168
1169         /* Expand the selected row after 1/2 second */
1170         if (!gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), dest_row)) {
1171                 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), dest_row, pos);
1172                 priv->timer_expander = g_timeout_add (500, expand_row_timeout, widget);
1173         }
1174         gtk_tree_path_free (dest_row);
1175
1176         /* Select the desired action. By default we pick MOVE */
1177         suggested_action = GDK_ACTION_MOVE;
1178
1179         if (context->actions == GDK_ACTION_COPY)
1180             gdk_drag_status(context, GDK_ACTION_COPY, time);
1181         else if (context->actions == GDK_ACTION_MOVE)
1182             gdk_drag_status(context, GDK_ACTION_MOVE, time);
1183         else if (context->actions & suggested_action)
1184             gdk_drag_status(context, suggested_action, time);
1185         else
1186             gdk_drag_status(context, GDK_ACTION_DEFAULT, time);
1187
1188         return TRUE;
1189 }
1190
1191 /*
1192  * This function sets the treeview as a source and a target for dnd
1193  * events. It also connects all the requirede signals.
1194  */
1195 static void
1196 setup_drag_and_drop (GtkTreeView *self)
1197 {
1198         /* Set up the folder view as a dnd destination. Set only the
1199            highlight flag, otherwise gtk will have a different
1200            behaviour */
1201         gtk_drag_dest_set (GTK_WIDGET (self),
1202                            GTK_DEST_DEFAULT_HIGHLIGHT,
1203                            drag_types,
1204                            G_N_ELEMENTS (drag_types),
1205                            GDK_ACTION_MOVE | GDK_ACTION_COPY);
1206
1207         gtk_signal_connect(GTK_OBJECT (self),
1208                            "drag_data_received",
1209                            GTK_SIGNAL_FUNC(on_drag_data_received),
1210                            NULL);
1211
1212
1213         /* Set up the treeview as a dnd source */
1214         gtk_drag_source_set (GTK_WIDGET (self),
1215                              GDK_BUTTON1_MASK,
1216                              drag_types,
1217                              G_N_ELEMENTS (drag_types),
1218                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1219
1220         gtk_signal_connect(GTK_OBJECT (self),
1221                            "drag_data_delete",
1222                            GTK_SIGNAL_FUNC(drag_data_delete_cb),
1223                            NULL);
1224
1225         gtk_signal_connect(GTK_OBJECT (self),
1226                            "drag_motion",
1227                            GTK_SIGNAL_FUNC(on_drag_motion),
1228                            NULL);
1229
1230
1231         gtk_signal_connect(GTK_OBJECT (self),
1232                            "drag_data_get",
1233                            GTK_SIGNAL_FUNC(on_drag_data_get),
1234                            NULL);
1235
1236         gtk_signal_connect(GTK_OBJECT (self),
1237                            "drag_drop",
1238                            GTK_SIGNAL_FUNC(drag_drop_cb),
1239                            NULL);
1240 }