1 /* GTK - The GIMP Toolkit
2 * gtkfilesystemmodel.c: GtkTreeModel wrapping a GtkFileSystem
3 * Copyright (C) 2003, Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
23 #include "gtkfilesystemmodel.h"
28 #include "gtkfilesystem.h"
30 #include "gtkmarshalers.h"
31 #include "gtktreedatalist.h"
32 #include "gtktreednd.h"
33 #include "gtktreemodel.h"
38 /* priority used for all async callbacks in the main loop
39 * This should be higher than redraw priorities so multiple callbacks
40 * firing can be handled without intermediate redraws */
41 #define IO_PRIORITY G_PRIORITY_DEFAULT
43 /* random number that everyone else seems to use, too */
44 #define FILES_PER_QUERY 100
46 typedef struct _FileModelNode FileModelNode;
47 typedef struct _GtkFileSystemModelClass GtkFileSystemModelClass;
51 GFile * file; /* file represented by this node or NULL for editable */
52 GFileInfo * info; /* info for this file or NULL if unknown */
54 guint index; /* if valid, index in path - aka visible nodes before this one */
56 guint visible :1; /* if the file is currently visible */
57 guint frozen_add :1; /* true if the model was frozen and the entry has not been added yet */
59 GValue values[1]; /* actually n_columns values */
62 struct _GtkFileSystemModel
64 GObject parent_instance;
66 GFile * dir; /* directory that's displayed */
67 guint dir_thaw_source;/* GSource id for unfreezing the model */
68 char * attributes; /* attributes the file info must contain, or NULL for all attributes */
69 GFileMonitor * dir_monitor; /* directory that is monitored, or NULL if monitoring was not supported */
71 GCancellable * cancellable; /* cancellable in use for all operations - cancelled on dispose */
72 GArray * files; /* array of FileModelNode containing all our files */
73 GSize node_size; /* Size of a FileModelNode structure once its ->values field has n_columns */
74 guint n_indexes_valid;/* count of valid indexes */
75 GHashTable * file_lookup; /* file => array index table */
77 guint n_columns; /* number of columns */
78 GType * column_types; /* types of each column */
79 GtkFileSystemModelGetValue get_func; /* function to call to fill in values in columns */
80 gpointer get_data; /* data to pass to get_func */
82 GtkFileFilter * filter; /* filter to use for deciding which nodes are visible */
84 int sort_column_id; /* current sorting column */
85 GtkSortType sort_order; /* current sorting order */
86 GList * sort_list; /* list of sorting functions */
87 GtkTreeIterCompareFunc default_sort_func; /* default sort function */
88 gpointer default_sort_data; /* data to pass to default sort func */
89 GDestroyNotify default_sort_destroy; /* function to call to destroy default_sort_data */
91 guint frozen; /* number of times we're frozen */
93 gboolean filter_on_thaw :1;/* set when filtering needs to happen upon thawing */
94 gboolean sort_on_thaw :1;/* set when sorting needs to happen upon thawing */
96 guint show_hidden :1; /* whether to show hidden files */
97 guint show_folders :1;/* whether to show folders */
98 guint show_files :1; /* whether to show files */
101 #define GTK_FILE_SYSTEM_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_SYSTEM_MODEL, GtkFileSystemModelClass))
102 #define GTK_IS_FILE_SYSTEM_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_SYSTEM_MODEL))
103 #define GTK_FILE_SYSTEM_MODEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_SYSTEM_MODEL, GtkFileSystemModelClass))
105 struct _GtkFileSystemModelClass
107 GObjectClass parent_class;
111 void (*finished_loading) (GtkFileSystemModel *model, GError *error);
114 static void add_file (GtkFileSystemModel *model,
117 static void remove_file (GtkFileSystemModel *model,
121 * @user_data: the model
122 * @user_data2: GUINT_TO_POINTER of array index of current entry
124 * All other fields are unused. Note that the array index does not corrspond
125 * 1:1 with the path index as entries might not be visible.
127 #define ITER_INDEX(iter) GPOINTER_TO_UINT((iter)->user_data2)
128 #define ITER_IS_VALID(model, iter) ((model) == (iter)->user_data)
129 #define ITER_INIT_FROM_INDEX(model, _iter, _index) G_STMT_START {\
130 g_assert (_index < (model)->files->len); \
131 (_iter)->user_data = (model); \
132 (_iter)->user_data2 = GUINT_TO_POINTER (_index); \
135 /*** FileModelNode ***/
137 #define get_node(_model, _index) ((FileModelNode *) ((_model)->files->data + (_index) * (_model)->node_size))
138 #define node_index(_model, _node) (((gchar *) (_node) - (_model)->files->data) / (_model)->node_size)
141 node_validate_indexes (GtkFileSystemModel *model, guint min_index, guint min_visible)
143 guint validate, current;
145 if (model->files->len == 0)
147 min_index = MIN (min_index, model->files->len - 1);
148 validate = model->n_indexes_valid;
150 current = get_node (model, validate - 1)->index;
153 while (validate <= min_index && current <= min_visible)
155 FileModelNode *node = get_node (model, validate);
158 node->index = current;
161 model->n_indexes_valid = validate;
165 node_get_index (GtkFileSystemModel *model, guint id)
167 if (model->n_indexes_valid <= id)
168 node_validate_indexes (model, id, G_MAXUINT);
170 return get_node (model, id)->index - 1;
174 node_invalidate_index (GtkFileSystemModel *model, guint id)
176 model->n_indexes_valid = MIN (model->n_indexes_valid, id);
180 gtk_tree_path_new_from_node (GtkFileSystemModel *model, guint id)
182 guint i = node_get_index (model, id);
184 g_assert (i < model->files->len);
186 return gtk_tree_path_new_from_indices (i, -1);
190 node_set_visible (GtkFileSystemModel *model, guint id, gboolean visible)
192 FileModelNode *node = get_node (model, id);
196 if (node->visible == visible ||
202 node->visible = TRUE;
203 node_invalidate_index (model, id);
204 path = gtk_tree_path_new_from_node (model, id);
205 ITER_INIT_FROM_INDEX (model, &iter, id);
206 gtk_tree_model_row_inserted (GTK_TREE_MODEL (model), path, &iter);
207 gtk_tree_path_free (path);
211 path = gtk_tree_path_new_from_node (model, id);
212 node->visible = FALSE;
213 node_invalidate_index (model, id);
214 gtk_tree_model_row_deleted (GTK_TREE_MODEL (model), path);
215 gtk_tree_path_free (path);
220 node_should_be_visible (GtkFileSystemModel *model, guint id)
222 FileModelNode *node = get_node (model, id);
223 GtkFileFilterInfo filter_info = { 0, };
224 GtkFileFilterFlags required;
225 gboolean is_folder, result;
226 char *mime_type = NULL;
227 char *filename = NULL;
230 if (node->info == NULL)
233 if (!model->show_hidden &&
234 (g_file_info_get_is_hidden (node->info) || g_file_info_get_is_backup (node->info)))
237 is_folder = _gtk_file_info_consider_as_directory (node->info);
240 if (model->show_folders != model->show_files &&
241 model->show_folders != is_folder)
247 if (model->filter == NULL)
251 required = gtk_file_filter_get_needed (model->filter);
253 filter_info.contains = GTK_FILE_FILTER_DISPLAY_NAME;
254 filter_info.display_name = g_file_info_get_display_name (node->info);
256 if (required & GTK_FILE_FILTER_MIME_TYPE)
258 filter_info.mime_type = g_file_info_get_attribute_string (node->info, "filechooser::mime-type");
259 if (filter_info.mime_type != NULL)
260 filter_info.contains |= GTK_FILE_FILTER_MIME_TYPE;
263 const char *s = g_file_info_get_content_type (node->info);
266 mime_type = g_content_type_get_mime_type (s);
269 filter_info.mime_type = mime_type;
270 filter_info.contains |= GTK_FILE_FILTER_MIME_TYPE;
276 if (required & GTK_FILE_FILTER_FILENAME)
278 filename = g_file_get_path (node->file);
279 if (filter_info.filename)
281 filter_info.filename = filename;
282 filter_info.contains |= GTK_FILE_FILTER_FILENAME;
286 if (required & GTK_FILE_FILTER_URI)
288 uri = g_file_get_uri (node->file);
291 filter_info.uri = uri;
292 filter_info.contains |= GTK_FILE_FILTER_URI;
296 result = gtk_file_filter_filter (model->filter, &filter_info);
305 /*** GtkTreeModel ***/
307 static GtkTreeModelFlags
308 gtk_file_system_model_get_flags (GtkTreeModel *tree_model)
310 /* GTK_TREE_MODEL_ITERS_PERSIST doesn't work with arrays :( */
311 return GTK_TREE_MODEL_LIST_ONLY;
315 gtk_file_system_model_get_n_columns (GtkTreeModel *tree_model)
317 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (tree_model);
319 return model->n_columns;
323 gtk_file_system_model_get_column_type (GtkTreeModel *tree_model,
326 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (tree_model);
328 g_return_val_if_fail (i >= 0 && (guint) i < model->n_columns, G_TYPE_NONE);
330 return model->column_types[i];
334 compare_indices (gconstpointer key, gconstpointer _node)
336 const FileModelNode *node = _node;
338 return GPOINTER_TO_UINT (key) - node->index;
342 gtk_file_system_model_iter_nth_child (GtkTreeModel *tree_model,
347 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (tree_model);
351 g_return_val_if_fail (n >= 0, FALSE);
358 if (model->n_indexes_valid > 0 &&
359 get_node (model, model->n_indexes_valid - 1)->index >= find)
362 node = bsearch (GUINT_TO_POINTER (find),
364 model->n_indexes_valid,
370 id = node_index (model, node);
371 while (!get_node (model, id)->visible)
376 node_validate_indexes (model, G_MAXUINT, n);
377 id = model->n_indexes_valid - 1;
378 if (model->n_indexes_valid == 0 || get_node (model, id)->index != find)
382 ITER_INIT_FROM_INDEX (model, iter, id);
387 gtk_file_system_model_get_iter (GtkTreeModel *tree_model,
391 g_return_val_if_fail (gtk_tree_path_get_depth (path) > 0, FALSE);
393 return gtk_file_system_model_iter_nth_child (tree_model,
396 gtk_tree_path_get_indices (path)[0]);
400 gtk_file_system_model_get_path (GtkTreeModel *tree_model,
403 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (tree_model);
405 g_return_val_if_fail (ITER_IS_VALID (model, iter), NULL);
407 return gtk_tree_path_new_from_node (model, ITER_INDEX (iter));
411 gtk_file_system_model_get_value (GtkTreeModel *tree_model,
416 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (tree_model);
417 const GValue *original;
419 g_return_if_fail ((guint) column < model->n_columns);
420 g_return_if_fail (ITER_IS_VALID (model, iter));
422 original = _gtk_file_system_model_get_value (model, iter, column);
425 g_value_init (value, G_VALUE_TYPE (original));
426 g_value_copy (original, value);
429 g_value_init (value, model->column_types[column]);
433 gtk_file_system_model_iter_next (GtkTreeModel *tree_model,
436 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (tree_model);
439 g_return_val_if_fail (ITER_IS_VALID (model, iter), FALSE);
441 for (i = ITER_INDEX (iter) + 1; i < model->files->len; i++)
443 FileModelNode *node = get_node (model, i);
447 ITER_INIT_FROM_INDEX (model, iter, i);
456 gtk_file_system_model_iter_children (GtkTreeModel *tree_model,
464 gtk_file_system_model_iter_has_child (GtkTreeModel *tree_model,
471 gtk_file_system_model_iter_n_children (GtkTreeModel *tree_model,
474 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (tree_model);
479 return node_get_index (model, model->files->len - 1) + 1;
483 gtk_file_system_model_iter_parent (GtkTreeModel *tree_model,
491 gtk_file_system_model_ref_node (GtkTreeModel *tree_model,
494 /* FIXME: implement */
498 gtk_file_system_model_unref_node (GtkTreeModel *tree_model,
501 /* FIXME: implement */
505 gtk_file_system_model_iface_init (GtkTreeModelIface *iface)
507 iface->get_flags = gtk_file_system_model_get_flags;
508 iface->get_n_columns = gtk_file_system_model_get_n_columns;
509 iface->get_column_type = gtk_file_system_model_get_column_type;
510 iface->get_iter = gtk_file_system_model_get_iter;
511 iface->get_path = gtk_file_system_model_get_path;
512 iface->get_value = gtk_file_system_model_get_value;
513 iface->iter_next = gtk_file_system_model_iter_next;
514 iface->iter_children = gtk_file_system_model_iter_children;
515 iface->iter_has_child = gtk_file_system_model_iter_has_child;
516 iface->iter_n_children = gtk_file_system_model_iter_n_children;
517 iface->iter_nth_child = gtk_file_system_model_iter_nth_child;
518 iface->iter_parent = gtk_file_system_model_iter_parent;
519 iface->ref_node = gtk_file_system_model_ref_node;
520 iface->unref_node = gtk_file_system_model_unref_node;
523 /*** GtkTreeSortable ***/
525 typedef struct _SortData SortData;
527 GtkFileSystemModel * model;
528 GtkTreeIterCompareFunc func;
530 int order; /* -1 to invert sort order or 1 to keep it */
533 /* returns FALSE if no sort necessary */
535 sort_data_init (SortData *data, GtkFileSystemModel *model)
537 GtkTreeDataSortHeader *header;
539 if (model->files->len <= 2)
542 switch (model->sort_column_id)
544 case GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID:
545 if (!model->default_sort_func)
547 data->func = model->default_sort_func;
548 data->data = model->default_sort_data;
550 case GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID:
553 header = _gtk_tree_data_list_get_header (model->sort_list, model->sort_column_id);
556 data->func = header->func;
557 data->data = header->data;
561 data->order = model->sort_order == GTK_SORT_DESCENDING ? -1 : 1;
567 compare_array_element (gconstpointer a, gconstpointer b, gpointer user_data)
569 SortData *data = user_data;
570 GtkTreeIter itera, iterb;
572 ITER_INIT_FROM_INDEX (data->model, &itera, node_index (data->model, a));
573 ITER_INIT_FROM_INDEX (data->model, &iterb, node_index (data->model, b));
574 return data->func (GTK_TREE_MODEL (data->model), &itera, &iterb, data->data) * data->order;
578 gtk_file_system_model_sort (GtkFileSystemModel *model)
584 model->sort_on_thaw = TRUE;
588 if (sort_data_init (&data, model))
591 guint i, j, n_elements;
593 node_validate_indexes (model, G_MAXUINT, G_MAXUINT);
594 n_elements = node_get_index (model, model->files->len - 1) + 1;
595 model->n_indexes_valid = 0;
596 g_hash_table_remove_all (model->file_lookup);
597 g_qsort_with_data (get_node (model, 1),
598 model->files->len - 1,
600 compare_array_element,
602 g_assert (model->n_indexes_valid == 0);
603 g_assert (g_hash_table_size (model->file_lookup) == 0);
606 int *new_order = g_new (int, n_elements);
609 for (i = 0; i < model->files->len; i++)
611 FileModelNode *node = get_node (model, i);
618 new_order[j] = node->index;
622 g_assert (j == n_elements);
623 path = gtk_tree_path_new ();
624 gtk_tree_model_rows_reordered (GTK_TREE_MODEL (model),
628 gtk_tree_path_free (path);
633 model->sort_on_thaw = FALSE;
637 gtk_file_system_model_sort_node (GtkFileSystemModel *model, guint node)
640 gtk_file_system_model_sort (model);
644 gtk_file_system_model_get_sort_column_id (GtkTreeSortable *sortable,
645 gint *sort_column_id,
648 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (sortable);
651 *sort_column_id = model->sort_column_id;
653 *order = model->sort_order;
655 if (model->sort_column_id == GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID ||
656 model->sort_column_id == GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID)
663 gtk_file_system_model_set_sort_column_id (GtkTreeSortable *sortable,
667 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (sortable);
669 if ((model->sort_column_id == sort_column_id) &&
670 (model->sort_order == order))
673 if (sort_column_id != GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID)
675 if (sort_column_id != GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID)
677 GtkTreeDataSortHeader *header = NULL;
679 header = _gtk_tree_data_list_get_header (model->sort_list,
682 /* We want to make sure that we have a function */
683 g_return_if_fail (header != NULL);
684 g_return_if_fail (header->func != NULL);
688 g_return_if_fail (model->default_sort_func != NULL);
693 model->sort_column_id = sort_column_id;
694 model->sort_order = order;
696 gtk_tree_sortable_sort_column_changed (sortable);
698 gtk_file_system_model_sort (model);
702 gtk_file_system_model_set_sort_func (GtkTreeSortable *sortable,
704 GtkTreeIterCompareFunc func,
706 GDestroyNotify destroy)
708 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (sortable);
710 model->sort_list = _gtk_tree_data_list_set_header (model->sort_list,
712 func, data, destroy);
714 if (model->sort_column_id == sort_column_id)
715 gtk_file_system_model_sort (model);
719 gtk_file_system_model_set_default_sort_func (GtkTreeSortable *sortable,
720 GtkTreeIterCompareFunc func,
722 GDestroyNotify destroy)
724 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (sortable);
726 if (model->default_sort_destroy)
728 GDestroyNotify d = model->default_sort_destroy;
730 model->default_sort_destroy = NULL;
731 d (model->default_sort_data);
734 model->default_sort_func = func;
735 model->default_sort_data = data;
736 model->default_sort_destroy = destroy;
738 if (model->sort_column_id == GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID)
739 gtk_file_system_model_sort (model);
743 gtk_file_system_model_has_default_sort_func (GtkTreeSortable *sortable)
745 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (sortable);
747 return (model->default_sort_func != NULL);
751 gtk_file_system_model_sortable_init (GtkTreeSortableIface *iface)
753 iface->get_sort_column_id = gtk_file_system_model_get_sort_column_id;
754 iface->set_sort_column_id = gtk_file_system_model_set_sort_column_id;
755 iface->set_sort_func = gtk_file_system_model_set_sort_func;
756 iface->set_default_sort_func = gtk_file_system_model_set_default_sort_func;
757 iface->has_default_sort_func = gtk_file_system_model_has_default_sort_func;
760 /*** GtkTreeDragSource ***/
763 drag_source_row_draggable (GtkTreeDragSource *drag_source,
766 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (drag_source);
769 if (!gtk_file_system_model_get_iter (GTK_TREE_MODEL (model), &iter, path))
772 return ITER_INDEX (&iter) != 0;
776 drag_source_drag_data_get (GtkTreeDragSource *drag_source,
778 GtkSelectionData *selection_data)
780 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (drag_source);
785 if (!gtk_file_system_model_get_iter (GTK_TREE_MODEL (model), &iter, path))
788 node = get_node (model, ITER_INDEX (&iter));
789 if (node->file == NULL)
792 uris[0] = g_file_get_uri (node->file);
794 gtk_selection_data_set_uris (selection_data, uris);
801 drag_source_iface_init (GtkTreeDragSourceIface *iface)
803 iface->row_draggable = drag_source_row_draggable;
804 iface->drag_data_get = drag_source_drag_data_get;
805 iface->drag_data_delete = NULL;
808 /*** GtkFileSystemModel ***/
816 static guint file_system_model_signals[LAST_SIGNAL] = { 0 };
820 G_DEFINE_TYPE_WITH_CODE (GtkFileSystemModel, _gtk_file_system_model, G_TYPE_OBJECT,
821 G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL,
822 gtk_file_system_model_iface_init)
823 G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_SORTABLE,
824 gtk_file_system_model_sortable_init)
825 G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_DRAG_SOURCE,
826 drag_source_iface_init))
829 gtk_file_system_model_dispose (GObject *object)
831 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (object);
833 g_cancellable_cancel (model->cancellable);
834 if (model->dir_monitor)
835 g_file_monitor_cancel (model->dir_monitor);
837 G_OBJECT_CLASS (_gtk_file_system_model_parent_class)->dispose (object);
842 gtk_file_system_model_finalize (GObject *object)
844 GtkFileSystemModel *model = GTK_FILE_SYSTEM_MODEL (object);
847 for (i = 0; i < model->files->len; i++)
849 FileModelNode *node = get_node (model, i);
851 g_object_unref (node->file);
853 g_object_unref (node->info);
855 g_array_free (model->files, TRUE);
857 g_object_unref (model->cancellable);
858 g_free (model->attributes);
860 g_object_unref (model->dir);
861 if (model->dir_monitor)
862 g_object_unref (model->dir_monitor);
863 g_hash_table_destroy (model->file_lookup);
865 g_object_unref (model->filter);
867 _gtk_tree_data_list_header_free (model->sort_list);
868 if (model->default_sort_destroy)
869 model->default_sort_destroy (model->default_sort_data);
871 G_OBJECT_CLASS (_gtk_file_system_model_parent_class)->finalize (object);
875 _gtk_file_system_model_class_init (GtkFileSystemModelClass *class)
877 GObjectClass *gobject_class = G_OBJECT_CLASS (class);
879 gobject_class->finalize = gtk_file_system_model_finalize;
880 gobject_class->dispose = gtk_file_system_model_dispose;
882 file_system_model_signals[FINISHED_LOADING] =
883 g_signal_new (I_("finished-loading"),
884 G_OBJECT_CLASS_TYPE (gobject_class),
886 G_STRUCT_OFFSET (GtkFileSystemModelClass, finished_loading),
888 _gtk_marshal_VOID__POINTER,
889 G_TYPE_NONE, 1, G_TYPE_POINTER);
893 _gtk_file_system_model_init (GtkFileSystemModel *model)
895 model->show_files = TRUE;
896 model->show_folders = TRUE;
897 model->show_hidden = FALSE;
899 model->sort_column_id = GTK_TREE_SORTABLE_UNSORTED_SORT_COLUMN_ID;
901 model->file_lookup = g_hash_table_new (g_file_hash, (GEqualFunc) g_file_equal);
902 model->cancellable = g_cancellable_new ();
908 gtk_file_system_model_closed_enumerator (GObject *object, GAsyncResult *res, gpointer data)
910 g_file_enumerator_close_finish (G_FILE_ENUMERATOR (object), res, NULL);
914 thaw_func (gpointer data)
916 GtkFileSystemModel *model = data;
918 _gtk_file_system_model_thaw_updates (model);
919 model->dir_thaw_source = 0;
925 gtk_file_system_model_got_files (GObject *object, GAsyncResult *res, gpointer data)
927 GFileEnumerator *enumerator = G_FILE_ENUMERATOR (object);
928 GtkFileSystemModel *model = data;
930 GError *error = NULL;
932 gdk_threads_enter ();
934 files = g_file_enumerator_next_files_finish (enumerator, res, &error);
938 if (model->dir_thaw_source == 0)
940 _gtk_file_system_model_freeze_updates (model);
941 model->dir_thaw_source = gdk_threads_add_timeout_full (IO_PRIORITY + 1,
948 for (walk = files; walk; walk = walk->next)
955 name = g_file_info_get_name (info);
958 /* Shouldn't happen, but the APIs allow it */
959 g_object_unref (info);
962 file = g_file_get_child (model->dir, name);
963 add_file (model, file, info);
964 g_object_unref (file);
965 g_object_unref (info);
972 g_file_enumerator_close_async (enumerator,
975 gtk_file_system_model_closed_enumerator,
977 if (model->dir_thaw_source != 0)
979 g_source_remove (model->dir_thaw_source);
980 model->dir_thaw_source = 0;
981 _gtk_file_system_model_thaw_updates (model);
985 g_error_free (error);
987 g_signal_emit (model, file_system_model_signals[FINISHED_LOADING], 0, NULL);
989 g_object_unref (model);
992 g_file_enumerator_next_files_async (enumerator,
993 g_file_is_native (model->dir) ? 50 * FILES_PER_QUERY : FILES_PER_QUERY,
996 gtk_file_system_model_got_files,
999 gdk_threads_leave ();
1003 gtk_file_system_model_query_done (GObject * object,
1007 GtkFileSystemModel *model = data; /* only a valid pointer if not cancelled */
1008 GFile *file = G_FILE (object);
1011 info = g_file_query_info_finish (file, res, NULL);
1015 _gtk_file_system_model_update_file (model, file, info, TRUE);
1019 gtk_file_system_model_monitor_change (GFileMonitor * monitor,
1022 GFileMonitorEvent type,
1023 GtkFileSystemModel *model)
1027 case G_FILE_MONITOR_EVENT_CREATED:
1028 case G_FILE_MONITOR_EVENT_CHANGED:
1029 case G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED:
1030 /* We can treat all of these the same way */
1031 g_file_query_info_async (file,
1036 gtk_file_system_model_query_done,
1039 case G_FILE_MONITOR_EVENT_DELETED:
1040 remove_file (model, file);
1042 case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
1043 /* FIXME: use freeze/thaw with this somehow? */
1044 case G_FILE_MONITOR_EVENT_PRE_UNMOUNT:
1045 case G_FILE_MONITOR_EVENT_UNMOUNTED:
1053 gtk_file_system_model_got_enumerator (GObject *dir, GAsyncResult *res, gpointer data)
1055 GtkFileSystemModel *model = data;
1056 GFileEnumerator *enumerator;
1057 GError *error = NULL;
1059 gdk_threads_enter ();
1061 enumerator = g_file_enumerate_children_finish (G_FILE (dir), res, &error);
1062 if (enumerator == NULL)
1064 g_signal_emit (model, file_system_model_signals[FINISHED_LOADING], 0, error);
1065 g_object_unref (model);
1066 g_error_free (error);
1070 g_file_enumerator_next_files_async (enumerator,
1071 g_file_is_native (model->dir) ? 50 * FILES_PER_QUERY : FILES_PER_QUERY,
1074 gtk_file_system_model_got_files,
1076 g_object_unref (enumerator);
1077 model->dir_monitor = g_file_monitor_directory (model->dir,
1078 G_FILE_MONITOR_NONE,
1080 NULL); /* we don't mind if directory monitoring isn't supported, so the GError is NULL here */
1081 if (model->dir_monitor)
1082 g_signal_connect (model->dir_monitor,
1084 G_CALLBACK (gtk_file_system_model_monitor_change),
1088 gdk_threads_leave ();
1092 gtk_file_system_model_set_n_columns (GtkFileSystemModel *model,
1098 g_assert (model->files == NULL);
1099 g_assert (n_columns > 0);
1101 model->n_columns = n_columns;
1102 model->column_types = g_slice_alloc (sizeof (GType) * n_columns);
1104 model->node_size = sizeof (FileModelNode) + sizeof (GValue) * (n_columns - 1); /* minus 1 because FileModelNode.values[] has a default size of 1 */
1106 for (i = 0; i < (guint) n_columns; i++)
1108 GType type = va_arg (args, GType);
1109 if (! _gtk_tree_data_list_check_type (type))
1111 g_error ("%s: type %s cannot be a column type for GtkFileSystemModel\n", G_STRLOC, g_type_name (type));
1112 return; /* not reached */
1115 model->column_types[i] = type;
1118 model->sort_list = _gtk_tree_data_list_header_new (n_columns, model->column_types);
1120 model->files = g_array_sized_new (FALSE, FALSE, model->node_size, FILES_PER_QUERY);
1121 /* add editable node at start */
1122 g_array_set_size (model->files, 1);
1123 memset (get_node (model, 0), 0, model->node_size);
1127 gtk_file_system_model_set_directory (GtkFileSystemModel *model,
1129 const gchar * attributes)
1131 g_assert (G_IS_FILE (dir));
1133 model->dir = g_object_ref (dir);
1134 model->attributes = g_strdup (attributes);
1136 g_object_ref (model);
1137 g_file_enumerate_children_async (model->dir,
1139 G_FILE_QUERY_INFO_NONE,
1142 gtk_file_system_model_got_enumerator,
1147 static GtkFileSystemModel *
1148 _gtk_file_system_model_new_valist (GtkFileSystemModelGetValue get_func,
1153 GtkFileSystemModel *model;
1155 model = g_object_new (GTK_TYPE_FILE_SYSTEM_MODEL, NULL);
1156 model->get_func = get_func;
1157 model->get_data = get_data;
1159 gtk_file_system_model_set_n_columns (model, n_columns, args);
1165 * _gtk_file_system_model_new:
1166 * @get_func: function to call for getting a value
1167 * @get_data: user data argument passed to @get_func
1168 * @n_columns: number of columns
1169 * @...: @n_columns #GType types for the columns
1171 * Creates a new #GtkFileSystemModel object. You need to add files
1172 * to the list using _gtk_file_system_model_add_and_query_file()
1173 * or _gtk_file_system_model_update_file().
1175 * Return value: the newly created #GtkFileSystemModel
1177 GtkFileSystemModel *
1178 _gtk_file_system_model_new (GtkFileSystemModelGetValue get_func,
1183 GtkFileSystemModel *model;
1186 g_return_val_if_fail (get_func != NULL, NULL);
1187 g_return_val_if_fail (n_columns > 0, NULL);
1189 va_start (args, n_columns);
1190 model = _gtk_file_system_model_new_valist (get_func, get_data, n_columns, args);
1197 * _gtk_file_system_model_new_for_directory:
1198 * @directory: the directory to show.
1199 * @attributes: attributes to immediately load or %NULL for all
1200 * @get_func: function that the model should call to query data about a file
1201 * @get_data: user data to pass to the @get_func
1202 * @n_columns: number of columns
1203 * @...: @n_columns #GType types for the columns
1205 * Creates a new #GtkFileSystemModel object. The #GtkFileSystemModel
1206 * object wraps the given @directory as a #GtkTreeModel.
1207 * The model will query the given directory with the given @attributes
1208 * and add all files inside the directory automatically. If supported,
1209 * it will also monitor the drectory and update the model's
1210 * contents to reflect changes, if the @directory supports monitoring.
1212 * Return value: the newly created #GtkFileSystemModel
1214 GtkFileSystemModel *
1215 _gtk_file_system_model_new_for_directory (GFile * dir,
1216 const gchar * attributes,
1217 GtkFileSystemModelGetValue get_func,
1222 GtkFileSystemModel *model;
1225 g_return_val_if_fail (G_IS_FILE (dir), NULL);
1226 g_return_val_if_fail (get_func != NULL, NULL);
1227 g_return_val_if_fail (n_columns > 0, NULL);
1229 va_start (args, n_columns);
1230 model = _gtk_file_system_model_new_valist (get_func, get_data, n_columns, args);
1233 gtk_file_system_model_set_directory (model, dir, attributes);
1239 gtk_file_system_model_refilter_all (GtkFileSystemModel *model)
1245 model->filter_on_thaw = TRUE;
1249 _gtk_file_system_model_freeze_updates (model);
1251 /* start at index 1, don't change the editable */
1252 for (i = 1; i < model->files->len; i++)
1254 node_set_visible (model, i, node_should_be_visible (model, i));
1257 model->filter_on_thaw = FALSE;
1258 _gtk_file_system_model_thaw_updates (model);
1262 * _gtk_file_system_model_set_show_hidden:
1263 * @model: a #GtkFileSystemModel
1264 * @show_hidden: whether hidden files should be displayed
1266 * Sets whether hidden files should be included in the #GtkTreeModel
1270 _gtk_file_system_model_set_show_hidden (GtkFileSystemModel *model,
1271 gboolean show_hidden)
1273 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1275 show_hidden = show_hidden != FALSE;
1277 if (show_hidden != model->show_hidden)
1279 model->show_hidden = show_hidden;
1280 gtk_file_system_model_refilter_all (model);
1285 * _gtk_file_system_model_set_show_folders:
1286 * @model: a #GtkFileSystemModel
1287 * @show_folders: whether folders should be displayed
1289 * Sets whether folders should be included in the #GtkTreeModel for
1293 _gtk_file_system_model_set_show_folders (GtkFileSystemModel *model,
1294 gboolean show_folders)
1296 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1298 show_folders = show_folders != FALSE;
1300 if (show_folders != model->show_folders)
1302 model->show_folders = show_folders;
1303 gtk_file_system_model_refilter_all (model);
1308 * _gtk_file_system_model_set_show_files:
1309 * @model: a #GtkFileSystemModel
1310 * @show_files: whether files (as opposed to folders) should
1313 * Sets whether files (as opposed to folders) should be included
1314 * in the #GtkTreeModel for display.
1317 _gtk_file_system_model_set_show_files (GtkFileSystemModel *model,
1318 gboolean show_files)
1320 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1322 show_files = show_files != FALSE;
1324 if (show_files != model->show_files)
1326 model->show_files = show_files;
1327 gtk_file_system_model_refilter_all (model);
1332 * _gtk_file_system_model_get_cancellable:
1335 * Gets the cancellable used by the @model. This is the cancellable used
1336 * internally by the @model that will be cancelled when @model is
1337 * disposed. So you can use it for operations that should be cancelled
1338 * when the model goes away.
1340 * Returns: The cancellable used by @model
1343 _gtk_file_system_model_get_cancellable (GtkFileSystemModel *model)
1345 g_return_val_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model), NULL);
1347 return model->cancellable;
1351 * _gtk_file_system_model_get_is_visible:
1353 * @iter: a valid iterator
1355 * Checks if the iterator is visible. A visible iterator references
1356 * a row that is currently exposed using the #GtkTreeModel API. If
1357 * the iterator is invisible, it references a file that is not shown
1358 * for some reason, such as being filtered by the current filter or
1359 * being a hidden file.
1361 * Returns: %TRUE if the iterator is visible
1364 _gtk_file_system_model_get_is_visible (GtkFileSystemModel *model,
1367 FileModelNode *node;
1369 g_return_val_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model), FALSE);
1370 g_return_val_if_fail (iter != NULL, FALSE);
1372 node = get_node (model, ITER_INDEX (iter));
1373 return node->visible;
1377 * _gtk_file_system_model_get_info:
1378 * @model: a #GtkFileSystemModel
1379 * @iter: a #GtkTreeIter pointing to a row of @model
1381 * Gets the #GFileInfo structure for a particular row
1384 * Return value: a #GFileInfo structure. This structure
1385 * is owned by @model and must not be modified or freed.
1386 * If you want to keep the information for later use,
1387 * you must take a reference, since the structure may be
1388 * freed on later changes to the file system. If you have
1389 * called _gtk_file_system_model_add_editable() and the @iter
1390 * corresponds to the row that this function returned, the
1391 * return value will be NULL.
1394 _gtk_file_system_model_get_info (GtkFileSystemModel *model,
1397 FileModelNode *node;
1399 g_return_val_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model), NULL);
1400 g_return_val_if_fail (iter != NULL, NULL);
1402 node = get_node (model, ITER_INDEX (iter));
1403 g_assert (node->info == NULL || G_IS_FILE_INFO (node->info));
1408 * _gtk_file_system_model_get_file:
1409 * @model: a #GtkFileSystemModel
1410 * @iter: a #GtkTreeIter pointing to a row of @model
1412 * Gets the file for a particular row in @model.
1414 * Return value: the file. This object is owned by @model and
1415 * or freed. If you want to save the path for later use,
1416 * you must take a ref, since the object may be freed
1417 * on later changes to the file system.
1420 _gtk_file_system_model_get_file (GtkFileSystemModel *model,
1423 FileModelNode *node;
1425 g_return_val_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model), NULL);
1427 node = get_node (model, ITER_INDEX (iter));
1432 * _gtk_file_system_model_get_value:
1433 * @model: a #GtkFileSystemModel
1434 * @iter: a #GtkTreeIter pointing to a row of @model
1435 * @column: the column to get the value for
1437 * Gets the value associated with the given row @iter and @column.
1438 * If no value is available yet and the default value should be used,
1439 * %NULL is returned.
1440 * This is a performance optimization for the calls
1441 * gtk_tree_model_get() or gtk_tree_model_get_value(), which copy
1442 * the value and spend a considerable amount of time in iterator
1443 * lookups. Both of which are slow.
1445 * Returns: a pointer to the actual value as stored in @model or %NULL
1446 * if no value available yet.
1449 _gtk_file_system_model_get_value (GtkFileSystemModel *model,
1453 FileModelNode *node;
1455 g_return_val_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model), NULL);
1456 g_return_val_if_fail (column >= 0 && (guint) column < model->n_columns, NULL);
1458 node = get_node (model, ITER_INDEX (iter));
1460 if (!G_VALUE_TYPE (&node->values[column]))
1462 g_value_init (&node->values[column], model->column_types[column]);
1463 if (!model->get_func (model,
1467 &node->values[column],
1470 g_value_unset (&node->values[column]);
1475 return &node->values[column];
1479 node_get_for_file (GtkFileSystemModel *model,
1484 i = GPOINTER_TO_UINT (g_hash_table_lookup (model->file_lookup, file));
1488 /* node 0 is the editable row and has no associated file or entry in the table */
1489 for (i = g_hash_table_size (model->file_lookup) + 1; i < model->files->len; i++)
1491 FileModelNode *node = get_node (model, i);
1493 g_hash_table_insert (model->file_lookup, node->file, GUINT_TO_POINTER (i));
1494 if (g_file_equal (node->file, file))
1502 * _gtk_file_system_model_get_iter_for_file:
1504 * @iter: the iterator to be initialized
1505 * @file: the file to look up
1507 * Initializes @iter to point to the row used for @file, if @file is part
1508 * of the model. Note that upon successful return, @iter may point to an
1509 * invisible row in the @model. Use
1510 * _gtk_file_system_model_get_is_visible() to make sure it is visible to
1513 * Returns: %TRUE if file is part of the model and @iter was initialized
1516 _gtk_file_system_model_get_iter_for_file (GtkFileSystemModel *model,
1522 g_return_val_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model), FALSE);
1523 g_return_val_if_fail (iter != NULL, FALSE);
1524 g_return_val_if_fail (G_IS_FILE (file), FALSE);
1526 i = node_get_for_file (model, file);
1531 ITER_INIT_FROM_INDEX (model, iter, i);
1538 * @file: the file to add
1539 * @info: the information to associate with the file
1541 * Adds the given @file with its associated @info to the @model.
1542 * If the model is frozen, the file will only show up after it is thawn.
1545 add_file (GtkFileSystemModel *model,
1549 FileModelNode *node;
1551 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1552 g_return_if_fail (G_IS_FILE (file));
1553 g_return_if_fail (G_IS_FILE_INFO (info));
1555 node = g_slice_alloc0 (model->node_size);
1556 node->file = g_object_ref (file);
1558 node->info = g_object_ref (info);
1559 node->frozen_add = model->frozen ? TRUE : FALSE;
1561 g_array_append_vals (model->files, node, 1);
1562 g_slice_free1 (model->node_size, node);
1565 node_set_visible (model, model->files->len -1,
1566 node_should_be_visible (model, model->files->len - 1));
1567 gtk_file_system_model_sort_node (model, model->files->len -1);
1573 * @file: file to remove from the model. The file must have been
1574 * added to the model previously
1576 * Removes the given file from the model. If the file is not part of
1577 * @model, this function does nothing.
1580 remove_file (GtkFileSystemModel *model,
1583 FileModelNode *node;
1586 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1587 g_return_if_fail (G_IS_FILE (file));
1589 id = node_get_for_file (model, file);
1593 node = get_node (model, id);
1594 node_set_visible (model, id, FALSE);
1595 g_object_unref (node->file);
1597 g_object_unref (node->info);
1598 g_array_remove_index (model->files, id);
1602 * _gtk_file_system_model_update_file:
1605 * @info: the new file info
1606 * @requires_resort: FIXME: get rid of this argument
1608 * Tells the file system model that the file changed and that the
1609 * new @info should be used for it now. If the file is not part of
1610 * @model, it will get added automatically.
1613 _gtk_file_system_model_update_file (GtkFileSystemModel *model,
1616 gboolean requires_resort)
1618 FileModelNode *node;
1621 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1622 g_return_if_fail (G_IS_FILE (file));
1623 g_return_if_fail (G_IS_FILE_INFO (info));
1625 id = node_get_for_file (model, file);
1627 add_file (model, file, info);
1629 node = get_node (model, id);
1631 g_object_unref (node->info);
1632 node->info = g_object_ref (info);
1633 for (i = 0; i < model->n_columns; i++)
1635 if (G_VALUE_TYPE (&node->values[i]))
1636 g_value_unset (&node->values[i]);
1644 path = gtk_tree_path_new_from_node (model, id);
1645 ITER_INIT_FROM_INDEX (model, &iter, id);
1646 gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, &iter);
1647 gtk_tree_path_free (path);
1650 if (requires_resort)
1651 gtk_file_system_model_sort_node (model, id);
1655 * _gtk_file_system_model_set_filter:
1656 * @mode: a #GtkFileSystemModel
1657 * @filter: %NULL or filter to use
1659 * Sets a filter to be used for deciding if a row should be visible or not.
1660 * Directories are always visible.
1663 _gtk_file_system_model_set_filter (GtkFileSystemModel *model,
1664 GtkFileFilter * filter)
1666 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1667 g_return_if_fail (filter == NULL || GTK_IS_FILE_FILTER (filter));
1670 g_object_ref (filter);
1672 g_object_unref (model->filter);
1673 model->filter = filter;
1675 gtk_file_system_model_refilter_all (model);
1679 * _gtk_file_system_model_add_editable:
1680 * @model: a #GtkFileSystemModel
1681 * @iter: Location to return the iter corresponding to the editable row
1683 * Adds an "empty" row at the beginning of the model. This does not refer to
1684 * any file, but is a temporary placeholder for a file name that the user will
1685 * type when a corresponding cell is made editable. When your code is done
1686 * using this temporary row, call _gtk_file_system_model_remove_editable().
1689 _gtk_file_system_model_add_editable (GtkFileSystemModel *model, GtkTreeIter *iter)
1691 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1692 g_return_if_fail (!get_node (model, 0)->visible);
1694 node_set_visible (model, 0, TRUE);
1695 ITER_INIT_FROM_INDEX (model, iter, 0);
1699 * _gtk_file_system_model_remove_editable:
1700 * @model: a #GtkFileSystemModel
1702 * Removes the "empty" row at the beginning of the model that was
1703 * created with _gtk_file_system_model_add_editable(). You should call
1704 * this function when your code is finished editing this temporary row.
1707 _gtk_file_system_model_remove_editable (GtkFileSystemModel *model)
1709 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1710 g_return_if_fail (get_node (model, 0)->visible);
1712 node_set_visible (model, 0, FALSE);
1716 * _gtk_file_system_model_freeze_updates:
1717 * @model: a #GtkFileSystemModel
1719 * Freezes most updates on the model, so that performing multiple
1720 * operations on the files in the model do not cause any events.
1721 * Use _gtk_file_system_model_thaw_updates() to resume proper
1722 * operations. It is fine to call this function multiple times as
1723 * long as freeze and thaw calls are balanced.
1726 _gtk_file_system_model_freeze_updates (GtkFileSystemModel *model)
1728 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1734 * _gtk_file_system_model_thaw_updates:
1735 * @model: a #GtkFileSystemModel
1737 * Undoes the effect of a previous call to
1738 * _gtk_file_system_model_freeze_updates()
1741 _gtk_file_system_model_thaw_updates (GtkFileSystemModel *model)
1743 gboolean stuff_added;
1745 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1746 g_return_if_fail (model->frozen > 0);
1749 if (model->frozen > 0)
1752 stuff_added = get_node (model, model->files->len - 1)->frozen_add;
1754 if (model->filter_on_thaw)
1755 gtk_file_system_model_refilter_all (model);
1756 if (model->sort_on_thaw)
1757 gtk_file_system_model_sort (model);
1762 for (i = 0; i < model->files->len; i++)
1764 FileModelNode *node = get_node (model, i);
1766 if (!node->frozen_add)
1768 node->frozen_add = FALSE;
1769 node_set_visible (model, i, node_should_be_visible (model, i));
1775 * _gtk_file_system_model_clear_cached_values:
1776 * @model: a #GtkFileSystemModel
1777 * @column: the column to clear or -1 for all columns
1779 * Clears the cached values in the model for the given @column. Use
1780 * this function whenever your get_value function would return different
1781 * values for a column.
1782 * The file chooser uses this for example when the icon theme changes to
1783 * invalidate the cached pixbufs.
1786 _gtk_file_system_model_clear_cache (GtkFileSystemModel *model,
1793 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1794 g_return_if_fail (column >= -1 && (guint) column < model->n_columns);
1804 end = model->n_columns;
1807 for (i = 0; i < model->files->len; i++)
1809 FileModelNode *node = get_node (model, i);
1811 for (column = start; column < end; column++)
1813 if (!G_VALUE_TYPE (&node->values[column]))
1816 g_value_unset (&node->values[column]);
1820 if (changed && node->visible)
1825 path = gtk_tree_path_new_from_node (model, i);
1826 ITER_INIT_FROM_INDEX (model, &iter, i);
1827 gtk_tree_model_row_changed (GTK_TREE_MODEL (model), path, &iter);
1828 gtk_tree_path_free (path);
1832 /* FIXME: resort? */
1836 * _gtk_file_system_model_add_and_query_file:
1837 * @model: a #GtkFileSystemModel
1838 * @file: the file to add
1839 * @attributes: attributes to query before adding the file
1841 * This is a conenience function that calls g_file_query_info_async() on
1842 * the given file, and when successful, adds it to the model.
1843 * Upon failure, the @file is discarded.
1846 _gtk_file_system_model_add_and_query_file (GtkFileSystemModel *model,
1848 const char * attributes)
1850 g_return_if_fail (GTK_IS_FILE_SYSTEM_MODEL (model));
1851 g_return_if_fail (G_IS_FILE (file));
1852 g_return_if_fail (attributes != NULL);
1854 g_file_query_info_async (file,
1859 gtk_file_system_model_query_done,