1 /* Copyright (c) 2006, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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.
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.
30 #include <glib/gi18n.h>
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-account-store.h>
39 #include <tny-account.h>
40 #include <tny-folder.h>
41 #include <tny-camel-folder.h>
42 #include <tny-simple-list.h>
43 #include <modest-tny-folder.h>
44 #include <modest-marshal.h>
45 #include <modest-icon-names.h>
46 #include <modest-tny-account-store.h>
47 #include <modest-text-utils.h>
48 #include <modest-runtime.h>
49 #include "modest-folder-view.h"
50 #include <modest-dnd.h>
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);
57 static void tny_account_store_view_init (gpointer g,
60 static void modest_folder_view_set_account_store (TnyAccountStoreView *self,
61 TnyAccountStore *account_store);
63 static gboolean update_model (ModestFolderView *self,
64 ModestTnyAccountStore *account_store);
66 static void on_selection_changed (GtkTreeSelection *sel, gpointer data);
68 static void on_account_update (TnyAccountStore *account_store,
72 static void on_accounts_reloaded (TnyAccountStore *store,
75 static gint cmp_rows (GtkTreeModel *tree_model,
81 static void on_drag_data_get (GtkWidget *widget,
82 GdkDragContext *context,
83 GtkSelectionData *selection_data,
88 static void on_drag_data_received (GtkWidget *widget,
89 GdkDragContext *context,
92 GtkSelectionData *selection_data,
97 static gboolean on_drag_motion (GtkWidget *widget,
98 GdkDragContext *context,
104 static gint expand_row_timeout (gpointer data);
106 static void setup_drag_and_drop (GtkTreeView *self);
109 FOLDER_SELECTION_CHANGED_SIGNAL,
113 typedef struct _ModestFolderViewPrivate ModestFolderViewPrivate;
114 struct _ModestFolderViewPrivate {
115 TnyAccountStore *account_store;
116 TnyFolder *cur_folder;
117 GtkTreeRowReference *cur_row;
119 gulong account_update_signal;
120 gulong changed_signal;
121 gulong accounts_reloaded_signal;
123 GtkTreeSelection *cur_selection;
124 TnyFolderStoreQuery *query;
125 guint timer_expander;
127 #define MODEST_FOLDER_VIEW_GET_PRIVATE(o) \
128 (G_TYPE_INSTANCE_GET_PRIVATE((o), \
129 MODEST_TYPE_FOLDER_VIEW, \
130 ModestFolderViewPrivate))
132 static GObjectClass *parent_class = NULL;
134 static guint signals[LAST_SIGNAL] = {0};
137 modest_folder_view_get_type (void)
139 static GType my_type = 0;
141 static const GTypeInfo my_info = {
142 sizeof(ModestFolderViewClass),
143 NULL, /* base init */
144 NULL, /* base finalize */
145 (GClassInitFunc) modest_folder_view_class_init,
146 NULL, /* class finalize */
147 NULL, /* class data */
148 sizeof(ModestFolderView),
150 (GInstanceInitFunc) modest_folder_view_init,
154 static const GInterfaceInfo tny_account_store_view_info = {
155 (GInterfaceInitFunc) tny_account_store_view_init, /* interface_init */
156 NULL, /* interface_finalize */
157 NULL /* interface_data */
161 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
165 g_type_add_interface_static (my_type,
166 TNY_TYPE_ACCOUNT_STORE_VIEW,
167 &tny_account_store_view_info);
173 modest_folder_view_class_init (ModestFolderViewClass *klass)
175 GObjectClass *gobject_class;
176 gobject_class = (GObjectClass*) klass;
178 parent_class = g_type_class_peek_parent (klass);
179 gobject_class->finalize = modest_folder_view_finalize;
181 g_type_class_add_private (gobject_class,
182 sizeof(ModestFolderViewPrivate));
184 signals[FOLDER_SELECTION_CHANGED_SIGNAL] =
185 g_signal_new ("folder_selection_changed",
186 G_TYPE_FROM_CLASS (gobject_class),
188 G_STRUCT_OFFSET (ModestFolderViewClass,
189 folder_selection_changed),
191 modest_marshal_VOID__POINTER_BOOLEAN,
192 G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_BOOLEAN);
198 text_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
199 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
205 TnyFolder *folder = NULL;
207 g_return_if_fail (column);
208 g_return_if_fail (tree_model);
210 gtk_tree_model_get (tree_model, iter,
211 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
212 TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread,
213 TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
214 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
216 rendobj = G_OBJECT(renderer);
221 if (folder && type != TNY_FOLDER_TYPE_ROOT) { /* FIXME: tnymail bug? crashes with root folders */
222 if (modest_tny_folder_is_local_folder (folder)) {
224 type = modest_tny_folder_get_local_folder_type (folder);
225 if (type != TNY_FOLDER_TYPE_UNKNOWN) {
227 fname = g_strdup(modest_local_folder_info_get_type_display_name (type));
230 } else if (folder && type == TNY_FOLDER_TYPE_ROOT) {
235 gchar *folder_title = g_strdup_printf ("%s (%d)", fname, unread);
236 g_object_set (rendobj,"text", folder_title, "weight", 800, NULL);
237 g_free (folder_title);
239 g_object_set (rendobj,"text", fname, "weight", 400, NULL);
242 if (folder) g_object_unref (G_OBJECT (folder));
247 get_cached_icon (const gchar *name)
252 static GHashTable *icon_cache = NULL;
254 g_return_val_if_fail (name, NULL);
256 if (G_UNLIKELY(!icon_cache))
257 icon_cache = modest_cache_mgr_get_cache (modest_runtime_get_cache_mgr(),
258 MODEST_CACHE_MGR_CACHE_TYPE_PIXBUF);
260 if (!icon_cache || !g_hash_table_lookup_extended (icon_cache, name, &orig_key, &pixbuf)) {
262 #if MODEST_PLATFORM_ID==1 /* MODES_PLATFORM_ID: 1 ==> gnome, 2==> maemo */
263 pixbuf = (gpointer) gdk_pixbuf_new_from_file (name, &err);
265 GtkIconTheme *current_theme;
266 current_theme = gtk_icon_theme_get_default ();
267 pixbuf = gtk_icon_theme_load_icon (current_theme,
270 GTK_ICON_LOOKUP_NO_SVG,
275 g_printerr ("modest: error in icon factory while loading '%s': %s\n",
279 /* if we cannot find it, we still insert (if we have a cache), so we get the error
282 g_hash_table_insert (icon_cache, g_strdup(name),(gpointer)pixbuf);
284 return GDK_PIXBUF(pixbuf);
289 icon_cell_data (GtkTreeViewColumn *column, GtkCellRenderer *renderer,
290 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
298 rendobj = G_OBJECT(renderer);
299 gtk_tree_model_get (tree_model, iter,
300 TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
301 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
302 TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread,
304 rendobj = G_OBJECT(renderer);
306 if (type == TNY_FOLDER_TYPE_NORMAL || type == TNY_FOLDER_TYPE_UNKNOWN) {
307 type = modest_tny_folder_guess_folder_type_from_name (fname);
312 case TNY_FOLDER_TYPE_ROOT:
313 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_ACCOUNT);
315 case TNY_FOLDER_TYPE_INBOX:
316 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_INBOX);
318 case TNY_FOLDER_TYPE_OUTBOX:
319 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_OUTBOX);
321 case TNY_FOLDER_TYPE_JUNK:
322 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_JUNK);
324 case TNY_FOLDER_TYPE_SENT:
325 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_SENT);
327 case TNY_FOLDER_TYPE_TRASH:
328 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_TRASH);
330 case TNY_FOLDER_TYPE_DRAFTS:
331 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_DRAFTS);
333 case TNY_FOLDER_TYPE_NORMAL:
335 pixbuf = get_cached_icon (MODEST_FOLDER_ICON_NORMAL);
338 g_object_set (rendobj, "pixbuf", pixbuf, NULL);
342 modest_folder_view_init (ModestFolderView *obj)
344 ModestFolderViewPrivate *priv;
345 GtkTreeViewColumn *column;
346 GtkCellRenderer *renderer;
347 GtkTreeSelection *sel;
349 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
351 priv->timer_expander = 0;
352 priv->account_store = NULL;
353 priv->cur_folder = NULL;
354 priv->cur_row = NULL;
357 column = gtk_tree_view_column_new ();
359 renderer = gtk_cell_renderer_pixbuf_new();
360 gtk_tree_view_column_pack_start (column, renderer, FALSE);
361 gtk_tree_view_column_set_cell_data_func(column, renderer,
362 icon_cell_data, NULL, NULL);
364 renderer = gtk_cell_renderer_text_new();
365 gtk_tree_view_column_pack_start (column, renderer, FALSE);
366 gtk_tree_view_column_set_cell_data_func(column, renderer,
367 text_cell_data, NULL, NULL);
369 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
370 gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
372 gtk_tree_view_column_set_spacing (column, 2);
373 gtk_tree_view_column_set_resizable (column, TRUE);
374 gtk_tree_view_column_set_fixed_width (column, TRUE);
375 gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), FALSE);
376 gtk_tree_view_set_enable_search (GTK_TREE_VIEW(obj), FALSE);
378 gtk_tree_view_append_column (GTK_TREE_VIEW(obj),column);
380 setup_drag_and_drop (GTK_TREE_VIEW(obj));
384 tny_account_store_view_init (gpointer g, gpointer iface_data)
386 TnyAccountStoreViewIface *klass = (TnyAccountStoreViewIface *)g;
388 klass->set_account_store_func = modest_folder_view_set_account_store;
394 modest_folder_view_finalize (GObject *obj)
396 ModestFolderViewPrivate *priv;
397 GtkTreeSelection *sel;
399 g_return_if_fail (obj);
401 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
403 if (priv->timer_expander != 0) {
404 g_source_remove (priv->timer_expander);
405 priv->timer_expander = 0;
408 if (priv->account_store) {
409 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
410 priv->account_update_signal);
411 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
412 priv->accounts_reloaded_signal);
413 g_object_unref (G_OBJECT(priv->account_store));
414 priv->account_store = NULL;
418 g_object_unref (G_OBJECT (priv->query));
422 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
424 g_signal_handler_disconnect (G_OBJECT(sel), priv->changed_signal);
426 G_OBJECT_CLASS(parent_class)->finalize (obj);
431 modest_folder_view_set_account_store (TnyAccountStoreView *self, TnyAccountStore *account_store)
433 ModestFolderViewPrivate *priv;
436 g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
437 g_return_if_fail (TNY_IS_ACCOUNT_STORE (account_store));
439 priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
440 device = tny_account_store_get_device (account_store);
442 if (G_UNLIKELY (priv->account_store)) {
444 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
445 priv->account_update_signal))
446 g_signal_handler_disconnect (G_OBJECT (priv->account_store),
447 priv->account_update_signal);
448 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
449 priv->accounts_reloaded_signal))
450 g_signal_handler_disconnect (G_OBJECT (priv->account_store),
451 priv->accounts_reloaded_signal);
453 g_object_unref (G_OBJECT (priv->account_store));
456 priv->account_store = g_object_ref (G_OBJECT (account_store));
458 priv->account_update_signal =
459 g_signal_connect (G_OBJECT(account_store), "account_update",
460 G_CALLBACK (on_account_update), self);
462 priv->accounts_reloaded_signal =
463 g_signal_connect (G_OBJECT(account_store), "accounts_reloaded",
464 G_CALLBACK (on_accounts_reloaded), self);
466 if (!update_model (MODEST_FOLDER_VIEW (self),
467 MODEST_TNY_ACCOUNT_STORE (priv->account_store)))
468 g_printerr ("modest: failed to update model\n");
470 g_object_unref (G_OBJECT (device));
474 on_account_update (TnyAccountStore *account_store, const gchar *account,
477 if (!update_model (MODEST_FOLDER_VIEW(user_data),
478 MODEST_TNY_ACCOUNT_STORE(account_store)))
479 g_printerr ("modest: failed to update model for changes in '%s'",
484 on_accounts_reloaded (TnyAccountStore *account_store,
487 update_model (MODEST_FOLDER_VIEW (user_data),
488 MODEST_TNY_ACCOUNT_STORE(account_store));
492 modest_folder_view_set_title (ModestFolderView *self, const gchar *title)
494 GtkTreeViewColumn *col;
496 g_return_if_fail (self);
498 col = gtk_tree_view_get_column (GTK_TREE_VIEW(self), 0);
500 g_printerr ("modest: failed get column for title\n");
504 gtk_tree_view_column_set_title (col, title);
505 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self),
510 modest_folder_view_new (TnyFolderStoreQuery *query)
513 ModestFolderViewPrivate *priv;
514 GtkTreeSelection *sel;
516 self = G_OBJECT (g_object_new (MODEST_TYPE_FOLDER_VIEW, NULL));
517 priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
519 priv->query = g_object_ref (query);
521 sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
522 priv->changed_signal = g_signal_connect (sel, "changed",
523 G_CALLBACK (on_selection_changed), self);
524 return GTK_WIDGET(self);
527 /* this feels dirty; any other way to expand all the root items? */
529 expand_root_items (ModestFolderView *self)
532 path = gtk_tree_path_new_first ();
534 /* all folders should have child items, so.. */
535 while (gtk_tree_view_expand_row (GTK_TREE_VIEW(self), path, FALSE))
536 gtk_tree_path_next (path);
538 gtk_tree_path_free (path);
542 update_model (ModestFolderView *self, ModestTnyAccountStore *account_store)
544 ModestFolderViewPrivate *priv;
546 TnyList *account_list;
547 GtkTreeModel *model, *sortable;
549 g_return_val_if_fail (account_store, FALSE);
551 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
553 /* Notify that there is no folder selected*/
554 g_signal_emit (G_OBJECT(self),
555 signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
558 /* FIXME: the local accounts are not shown when the query
559 selects only the subscribed folders. */
560 /* model = tny_gtk_folder_store_tree_model_new (TRUE, priv->query); */
561 model = tny_gtk_folder_store_tree_model_new (TRUE, NULL);
562 account_list = TNY_LIST(model);
564 tny_account_store_get_accounts (TNY_ACCOUNT_STORE(account_store),
566 TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
568 sortable = gtk_tree_model_sort_new_with_model (model);
569 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
570 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
572 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (sortable),
573 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
574 cmp_rows, NULL, NULL);
577 gtk_tree_view_set_model (GTK_TREE_VIEW(self), sortable);
578 expand_root_items (self); /* expand all account folders */
579 g_object_unref (account_list);
587 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
589 GtkTreeModel *model_sort, *model;
590 TnyFolder *folder = NULL;
591 GtkTreeIter iter, iter_sort;
593 ModestFolderView *tree_view;
594 ModestFolderViewPrivate *priv;
597 g_return_if_fail (sel);
598 g_return_if_fail (user_data);
600 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(user_data);
601 priv->cur_selection = sel;
603 /* folder was _un_selected if true */
604 if (!gtk_tree_selection_get_selected (sel, &model_sort, &iter_sort)) {
605 if (priv->cur_folder)
606 g_object_unref (priv->cur_folder);
608 gtk_tree_row_reference_free (priv->cur_row);
609 priv->cur_folder = NULL;
610 priv->cur_row = NULL;
614 model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
615 gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (model_sort),
619 tree_view = MODEST_FOLDER_VIEW (user_data);
621 gtk_tree_model_get (model, &iter,
622 TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
623 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
626 /* If the folder is the same or is a root folder do not notify */
627 if ((type == TNY_FOLDER_TYPE_ROOT) || (priv->cur_folder == folder)) {
628 g_object_unref (folder);
632 /* Current folder was unselected */
633 if (priv->cur_folder) {
634 g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
635 priv->cur_folder, FALSE);
636 g_object_unref (priv->cur_folder);
640 gtk_tree_row_reference_free (priv->cur_row);
642 /* New current references */
643 path = gtk_tree_model_get_path (model_sort, &iter_sort);
644 priv->cur_folder = folder;
645 priv->cur_row = gtk_tree_row_reference_new (model_sort, path);
648 gtk_tree_path_free (path);
650 /* New folder has been selected */
651 g_signal_emit (G_OBJECT(tree_view),
652 signals[FOLDER_SELECTION_CHANGED_SIGNAL],
657 modest_folder_view_get_selected (ModestFolderView *self)
659 ModestFolderViewPrivate *priv;
661 g_return_val_if_fail (self, NULL);
663 priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
664 if (priv->cur_folder)
665 g_object_ref (priv->cur_folder);
667 return priv->cur_folder;
671 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
675 gchar *name1, *name2;
677 TnyFolder *folder1, *folder2;
679 gtk_tree_model_get (tree_model, iter1,
680 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name1,
681 TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
682 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder1,
684 gtk_tree_model_get (tree_model, iter2,
685 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name2,
686 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder2,
689 /* local_folders should be the last one */
690 if (type == TNY_FOLDER_TYPE_ROOT) {
691 /* the account name is also the name of the root folder
692 * in case of local folders */
693 if (name1 && strcmp (name1, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0)
695 else if (name2 && strcmp (name2, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0)
698 cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
700 cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
704 g_object_unref(G_OBJECT(folder1));
706 g_object_unref(G_OBJECT(folder2));
714 /*****************************************************************************/
715 /* DRAG and DROP stuff */
716 /*****************************************************************************/
719 * This function fills the #GtkSelectionData with the row and the
720 * model that has been dragged. It's called when this widget is a
721 * source for dnd after the event drop happened
724 on_drag_data_get (GtkWidget *widget,
725 GdkDragContext *context,
726 GtkSelectionData *selection_data,
731 GtkTreeSelection *selection;
732 GtkTreeModel *model_sort, *model;
734 GtkTreePath *source_row_sort;
735 GtkTreePath *source_row;
737 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
738 gtk_tree_selection_get_selected (selection, &model_sort, &iter);
739 source_row_sort = gtk_tree_model_get_path (model_sort, &iter);
741 /* Get the unsorted path and model */
742 model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
743 source_row = gtk_tree_model_sort_convert_path_to_child_path (GTK_TREE_MODEL_SORT (model_sort),
746 gtk_tree_set_row_drag_data (selection_data,
750 gtk_tree_path_free (source_row_sort);
751 gtk_tree_path_free (source_row);
754 typedef struct _DndHelper {
755 gboolean delete_source;
756 GtkTreePath *source_row;
757 GdkDragContext *context;
763 * This function is the callback of the
764 * modest_mail_operation_xfer_msg() and
765 * modest_mail_operation_xfer_folder() calls. We check here if the
766 * message/folder was correctly asynchronously transferred. The reason
767 * to use the same callback is that the code is the same, it only has
768 * to check that the operation went fine and then finalize the drag
772 on_progress_changed (ModestMailOperation *mail_op, gpointer user_data)
777 helper = (DndHelper *) user_data;
779 if (!modest_mail_operation_is_finished (mail_op))
782 if (modest_mail_operation_get_status (mail_op) ==
783 MODEST_MAIL_OPERATION_STATUS_SUCCESS) {
789 /* Notify the drag source. Never call delete, the monitor will
790 do the job if needed */
791 gtk_drag_finish (helper->context, success, FALSE, helper->time);
793 /* Free the helper */
794 gtk_tree_path_free (helper->source_row);
795 g_slice_free (DndHelper, helper);
799 * This function is used by drag_data_received_cb to manage drag and
800 * drop of a header, i.e, and drag from the header view to the folder
804 drag_and_drop_from_header_view (GtkTreeModel *source_model,
805 GtkTreeModel *dest_model,
806 GtkTreePath *dest_row,
811 ModestMailOperation *mail_op;
812 GtkTreeIter source_iter, dest_iter;
815 gtk_tree_model_get_iter (source_model, &source_iter, helper->source_row);
816 gtk_tree_model_get (source_model, &source_iter,
817 TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
821 gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
822 gtk_tree_model_get (dest_model, &dest_iter,
823 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
826 /* Transfer message */
827 mail_op = modest_mail_operation_new ();
828 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
830 g_signal_connect (G_OBJECT (mail_op), "progress-changed",
831 G_CALLBACK (on_progress_changed), helper);
833 modest_mail_operation_xfer_msg (mail_op, header, folder, helper->delete_source);
836 g_object_unref (G_OBJECT (mail_op));
837 g_object_unref (G_OBJECT (header));
838 g_object_unref (G_OBJECT (folder));
842 * This function is used by drag_data_received_cb to manage drag and
843 * drop of a folder, i.e, and drag from the folder view to the same
847 drag_and_drop_from_folder_view (GtkTreeModel *source_model,
848 GtkTreeModel *dest_model,
849 GtkTreePath *dest_row,
850 GtkSelectionData *selection_data,
853 ModestMailOperation *mail_op;
854 GtkTreeIter parent_iter, iter;
855 TnyFolderStore *parent_folder;
858 /* Check if the drag is possible */
859 if (!gtk_tree_path_compare (helper->source_row, dest_row) ||
860 !gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (dest_model),
864 gtk_drag_finish (helper->context, FALSE, FALSE, helper->time);
865 gtk_tree_path_free (helper->source_row);
866 g_slice_free (DndHelper, helper);
871 gtk_tree_model_get_iter (source_model, &parent_iter, dest_row);
872 gtk_tree_model_get_iter (source_model, &iter, helper->source_row);
873 gtk_tree_model_get (source_model, &parent_iter,
874 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
876 gtk_tree_model_get (source_model, &iter,
877 TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
880 /* Do the mail operation */
881 mail_op = modest_mail_operation_new ();
882 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
884 g_signal_connect (G_OBJECT (mail_op), "progress-changed",
885 G_CALLBACK (on_progress_changed), helper);
887 modest_mail_operation_xfer_folder (mail_op,
890 helper->delete_source);
893 g_object_unref (G_OBJECT (parent_folder));
894 g_object_unref (G_OBJECT (folder));
895 g_object_unref (G_OBJECT (mail_op));
899 * This function receives the data set by the "drag-data-get" signal
900 * handler. This information comes within the #GtkSelectionData. This
901 * function will manage both the drags of folders of the treeview and
902 * drags of headers of the header view widget.
905 on_drag_data_received (GtkWidget *widget,
906 GdkDragContext *context,
909 GtkSelectionData *selection_data,
914 GtkWidget *source_widget;
915 GtkTreeModel *model_sort, *dest_model, *source_model;
916 GtkTreePath *source_row, *dest_row, *child_dest_row;
917 GtkTreeViewDropPosition pos;
918 gboolean success = FALSE, delete_source = FALSE;
921 /* Do not allow further process */
922 g_signal_stop_emission_by_name (widget, "drag-data-received");
925 if (context->action == GDK_ACTION_MOVE)
926 delete_source = TRUE;
928 /* Check if the get_data failed */
929 if (selection_data == NULL || selection_data->length < 0)
930 gtk_drag_finish (context, success, FALSE, time);
933 source_widget = gtk_drag_get_source_widget (context);
934 gtk_tree_get_row_drag_data (selection_data,
938 model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
939 /* Select the destination model */
940 if (source_widget == widget) {
941 dest_model = source_model;
943 dest_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
946 /* Get the path to the destination row. Can not call
947 gtk_tree_view_get_drag_dest_row() because the source row
948 is not selected anymore */
949 gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget), x, y,
952 /* Only allow drops IN other rows */
953 if (!dest_row || pos == GTK_TREE_VIEW_DROP_BEFORE || pos == GTK_TREE_VIEW_DROP_AFTER)
954 gtk_drag_finish (context, success, FALSE, time);
956 /* Create the helper */
957 helper = g_slice_new0 (DndHelper);
958 helper->delete_source = delete_source;
959 helper->source_row = gtk_tree_path_copy (source_row);
960 helper->context = context;
963 /* Get path from the unsorted model */
965 gtk_tree_model_sort_convert_path_to_child_path (GTK_TREE_MODEL_SORT (model_sort),
967 gtk_tree_path_free (dest_row);
969 /* Drags from the header view */
970 if (source_widget != widget) {
972 drag_and_drop_from_header_view (source_model,
979 drag_and_drop_from_folder_view (source_model,
987 gtk_tree_path_free (source_row);
988 gtk_tree_path_free (child_dest_row);
992 * We define a "drag-drop" signal handler because we do not want to
993 * use the default one, because the default one always calls
994 * gtk_drag_finish and we prefer to do it in the "drag-data-received"
995 * signal handler, because there we have all the information available
996 * to know if the dnd was a success or not.
999 drag_drop_cb (GtkWidget *widget,
1000 GdkDragContext *context,
1008 if (!context->targets)
1011 /* Check if we're dragging a folder row */
1012 target = gtk_drag_dest_find_target (widget, context, NULL);
1014 /* Request the data from the source. */
1015 gtk_drag_get_data(widget, context, target, time);
1021 * This function expands a node of a tree view if it's not expanded
1022 * yet. Not sure why it needs the threads stuff, but gtk+`example code
1023 * does that, so that's why they're here.
1026 expand_row_timeout (gpointer data)
1028 GtkTreeView *tree_view = data;
1029 GtkTreePath *dest_path = NULL;
1030 GtkTreeViewDropPosition pos;
1031 gboolean result = FALSE;
1033 GDK_THREADS_ENTER ();
1035 gtk_tree_view_get_drag_dest_row (tree_view,
1040 (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
1041 pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) {
1042 gtk_tree_view_expand_row (tree_view, dest_path, FALSE);
1043 gtk_tree_path_free (dest_path);
1047 gtk_tree_path_free (dest_path);
1052 GDK_THREADS_LEAVE ();
1058 * This function is called whenever the pointer is moved over a widget
1059 * while dragging some data. It installs a timeout that will expand a
1060 * node of the treeview if not expanded yet. This function also calls
1061 * gdk_drag_status in order to set the suggested action that will be
1062 * used by the "drag-data-received" signal handler to know if we
1063 * should do a move or just a copy of the data.
1066 on_drag_motion (GtkWidget *widget,
1067 GdkDragContext *context,
1073 GtkTreeViewDropPosition pos;
1074 GtkTreePath *dest_row;
1075 ModestFolderViewPrivate *priv;
1076 GdkDragAction suggested_action;
1077 gboolean valid_location = FALSE;
1079 priv = MODEST_FOLDER_VIEW_GET_PRIVATE (widget);
1081 if (priv->timer_expander != 0) {
1082 g_source_remove (priv->timer_expander);
1083 priv->timer_expander = 0;
1086 gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
1091 /* Do not allow drops between folders */
1093 pos == GTK_TREE_VIEW_DROP_BEFORE ||
1094 pos == GTK_TREE_VIEW_DROP_AFTER) {
1095 gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW (widget), NULL, 0);
1096 gdk_drag_status(context, 0, time);
1097 valid_location = FALSE;
1100 valid_location = TRUE;
1103 /* Expand the selected row after 1/2 second */
1104 if (!gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), dest_row)) {
1105 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), dest_row, pos);
1106 priv->timer_expander = g_timeout_add (500, expand_row_timeout, widget);
1108 gtk_tree_path_free (dest_row);
1110 /* Select the desired action. By default we pick MOVE */
1111 suggested_action = GDK_ACTION_MOVE;
1113 if (context->actions == GDK_ACTION_COPY)
1114 gdk_drag_status(context, GDK_ACTION_COPY, time);
1115 else if (context->actions == GDK_ACTION_MOVE)
1116 gdk_drag_status(context, GDK_ACTION_MOVE, time);
1117 else if (context->actions & suggested_action)
1118 gdk_drag_status(context, suggested_action, time);
1120 gdk_drag_status(context, GDK_ACTION_DEFAULT, time);
1123 g_signal_stop_emission_by_name (widget, "drag-motion");
1124 return valid_location;
1128 /* Folder view drag types */
1129 const GtkTargetEntry folder_view_drag_types[] =
1131 { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_WIDGET, MODEST_FOLDER_ROW },
1132 { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP, MODEST_HEADER_ROW }
1136 * This function sets the treeview as a source and a target for dnd
1137 * events. It also connects all the requirede signals.
1140 setup_drag_and_drop (GtkTreeView *self)
1142 /* Set up the folder view as a dnd destination. Set only the
1143 highlight flag, otherwise gtk will have a different
1145 gtk_drag_dest_set (GTK_WIDGET (self),
1146 GTK_DEST_DEFAULT_HIGHLIGHT,
1147 folder_view_drag_types,
1148 G_N_ELEMENTS (folder_view_drag_types),
1149 GDK_ACTION_MOVE | GDK_ACTION_COPY);
1151 g_signal_connect (G_OBJECT (self),
1152 "drag_data_received",
1153 G_CALLBACK (on_drag_data_received),
1157 /* Set up the treeview as a dnd source */
1158 gtk_drag_source_set (GTK_WIDGET (self),
1160 folder_view_drag_types,
1161 G_N_ELEMENTS (folder_view_drag_types),
1162 GDK_ACTION_MOVE | GDK_ACTION_COPY);
1164 g_signal_connect (G_OBJECT (self),
1166 G_CALLBACK (on_drag_motion),
1169 g_signal_connect (G_OBJECT (self),
1171 G_CALLBACK (on_drag_data_get),
1174 g_signal_connect (G_OBJECT (self),
1176 G_CALLBACK (drag_drop_cb),