diff options
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/e-storage-set-store.c | 1361 | ||||
| -rw-r--r-- | shell/e-storage-set-store.h | 91 |
2 files changed, 1452 insertions, 0 deletions
diff --git a/shell/e-storage-set-store.c b/shell/e-storage-set-store.c new file mode 100644 index 0000000000..e2816d87d2 --- /dev/null +++ b/shell/e-storage-set-store.c @@ -0,0 +1,1361 @@ +/* e-storage-set-store.c + * Copyright (C) 2002 Ximian, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <string.h> + +#include <gtk/gtktreemodel.h> +#include <gtk/gtktreednd.h> + +#include "e-icon-factory.h" +#include "e-storage-set-store.h" +#include "e-shell-constants.h" + +struct _EStorageSetStorePrivate { + EStorageSet *storage_set; + GHashTable *checkboxes; + GHashTable *path_to_node; + GHashTable *type_name_to_pixbuf; + GNode *root; + gint stamp; + EStorageSetStoreHasCheckBoxFunc has_checkbox_func; + gpointer has_checkbox_func_data; +}; + +#define G_NODE(node) ((GNode *)(node)) +#define VALID_ITER(iter, store) ((iter) != NULL && (iter)->user_data != NULL && (store)->priv->stamp == (iter)->stamp) +#define VALID_COL(col) ((col) >= 0 && (col) < E_STORAGE_SET_STORE_COLUMN_COUNT) + +static GObjectClass *parent_class = NULL; + +static gboolean +has_checkbox (EStorageSetStore *store, const gchar *folder_path) +{ + EStorageSetStorePrivate *priv = store->priv; + + g_return_val_if_fail (folder_path != NULL, FALSE); + + if (strchr (folder_path + 1, '/') == NULL) { + /* If it's a toplevel, never allow checking it. */ + return FALSE; + } + +#if 0 + if (priv->has_checkbox_func) + return (* priv->has_checkbox_func) (priv->storage_set, + folder_path, + priv->has_checkbox_func_data); +#endif + + return TRUE; +} + + +/* GtkTreeModel interface implementation */ + +static guint +esss_get_flags(GtkTreeModel *tree_model) +{ + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), 0); + + return GTK_TREE_MODEL_ITERS_PERSIST; +} + +static gint +esss_get_n_columns(GtkTreeModel *tree_model) +{ + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), 0); + + return E_STORAGE_SET_STORE_COLUMN_COUNT; +} + +static GType +esss_get_column_type(GtkTreeModel *tree_model, gint index) +{ + EStorageSetStore *store = (EStorageSetStore *) tree_model; + GType retval; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), G_TYPE_INVALID); + g_return_val_if_fail(VALID_COL(index), G_TYPE_INVALID); + + switch (index) { + case E_STORAGE_SET_STORE_COLUMN_NAME: + retval = G_TYPE_STRING; + break; + case E_STORAGE_SET_STORE_COLUMN_HIGHLIGHT: + retval = G_TYPE_INT; + break; + case E_STORAGE_SET_STORE_COLUMN_CHECKED: + case E_STORAGE_SET_STORE_COLUMN_CHECKABLE: + retval = G_TYPE_BOOLEAN; + break; + case E_STORAGE_SET_STORE_COLUMN_ICON: + retval = GDK_TYPE_PIXBUF; + break; + default: + g_assert_not_reached (); + } + + return retval; +} + +static gboolean +esss_get_iter(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path) +{ + EStorageSetStore *store = (EStorageSetStore *) tree_model; + GtkTreeIter parent; + gint *indices; + gint depth, i; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), FALSE); + g_return_val_if_fail(iter != NULL, FALSE); + + indices = gtk_tree_path_get_indices(path); + depth = gtk_tree_path_get_depth(path); + + g_return_val_if_fail(depth > 0, FALSE); + + parent.stamp = store->priv->stamp; + parent.user_data = store->priv->root; + + for (i = 0; i < depth; i++) { + if (!gtk_tree_model_iter_nth_child (tree_model, iter, &parent, indices[i])) + return FALSE; + parent = *iter; + } + + return TRUE; +} + +static GtkTreePath * +tree_path_from_node (EStorageSetStore *store, GNode *node) +{ + GtkTreePath *retval; + GNode *tmp_node, *curr_node; + gint i = 0; + + if (node == store->priv->root) + return NULL; + + retval = gtk_tree_path_new(); + + for (curr_node = node; curr_node != store->priv->root; curr_node = curr_node->parent) { + + if (curr_node->parent == NULL) { + gtk_tree_path_free(retval); + return NULL; + } + + for (i = 0, tmp_node = curr_node->parent->children; + tmp_node && tmp_node != curr_node; + i++, tmp_node = tmp_node->next); + + if (tmp_node == NULL) { + gtk_tree_path_free(retval); + return NULL; + } + + gtk_tree_path_prepend_index(retval, i); + } + + return retval; +} + +static GtkTreePath * +esss_get_path(GtkTreeModel *tree_model, GtkTreeIter *iter) +{ + EStorageSetStore *store = (EStorageSetStore *) tree_model; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), NULL); + g_return_val_if_fail(VALID_ITER(iter, store), NULL); + + if (iter->user_data == store->priv->root) + return NULL; + + return tree_path_from_node (store, G_NODE (iter->user_data)); +} + +static GdkPixbuf * +get_pixbuf_for_folder (EStorageSetStore *store, EFolder *folder) +{ + const char *type_name; + EStorageSetStorePrivate *priv; + EFolderTypeRegistry *folder_type_registry; + EStorageSet *storage_set; + GdkPixbuf *icon_pixbuf; + GdkPixbuf *scaled_pixbuf; + const char *custom_icon_name; + int icon_pixbuf_width, icon_pixbuf_height; + + priv = store->priv; + + custom_icon_name = e_folder_get_custom_icon_name (folder); + if (custom_icon_name != NULL) + return e_icon_factory_get_icon (custom_icon_name, TRUE); + + type_name = e_folder_get_type_string (folder); + + scaled_pixbuf = g_hash_table_lookup (priv->type_name_to_pixbuf, type_name); + if (scaled_pixbuf != NULL) + return scaled_pixbuf; + + storage_set = priv->storage_set; + folder_type_registry = e_storage_set_get_folder_type_registry (storage_set); + + icon_pixbuf = e_folder_type_registry_get_icon_for_type (folder_type_registry, + type_name, TRUE); + + if (icon_pixbuf == NULL) + return NULL; + + icon_pixbuf_width = gdk_pixbuf_get_width (icon_pixbuf); + icon_pixbuf_height = gdk_pixbuf_get_height (icon_pixbuf); + + if (icon_pixbuf_width == E_SHELL_MINI_ICON_SIZE && icon_pixbuf_height == E_SHELL_MINI_ICON_SIZE) { + scaled_pixbuf = g_object_ref (icon_pixbuf); + } else { + scaled_pixbuf = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (icon_pixbuf), + gdk_pixbuf_get_has_alpha (icon_pixbuf), + gdk_pixbuf_get_bits_per_sample (icon_pixbuf), + E_SHELL_MINI_ICON_SIZE, E_SHELL_MINI_ICON_SIZE); + + gdk_pixbuf_scale (icon_pixbuf, scaled_pixbuf, + 0, 0, E_SHELL_MINI_ICON_SIZE, E_SHELL_MINI_ICON_SIZE, + 0.0, 0.0, + (double) E_SHELL_MINI_ICON_SIZE / gdk_pixbuf_get_width (icon_pixbuf), + (double) E_SHELL_MINI_ICON_SIZE / gdk_pixbuf_get_height (icon_pixbuf), + GDK_INTERP_HYPER); + } + + g_hash_table_insert (priv->type_name_to_pixbuf, g_strdup (type_name), scaled_pixbuf); + + return scaled_pixbuf; +} + +static void +esss_get_value(GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value) +{ + gchar *folder_path; + const gchar *folder_name; + int unread_count; + EStorageSetStore *store = (EStorageSetStore *) tree_model; + EFolder *folder; + GNode *node; + gboolean is_storage; + + g_return_if_fail(E_IS_STORAGE_SET_STORE(tree_model)); + g_return_if_fail(VALID_ITER(iter, store)); + g_return_if_fail(VALID_COL(column)); + + node = G_NODE (iter->user_data); + g_value_init(value, esss_get_column_type(tree_model, column)); + + is_storage = (node->parent == store->priv->root); + + if (is_storage) + folder_path = g_strconcat ("/", node->data, NULL); + else + folder_path = g_strdup (node->data); + + folder = e_storage_set_get_folder(store->priv->storage_set, folder_path); + g_free (folder_path); + + switch (column) { + case E_STORAGE_SET_STORE_COLUMN_NAME: + if (!folder) { + g_value_set_string(value, "?"); + return; + } + folder_name = e_folder_get_name(folder); + unread_count = e_folder_get_unread_count(folder); + if (unread_count > 0) { + gchar *with_unread = g_strdup_printf("%s (%d)", folder_name, unread_count); + g_object_set_data_full(G_OBJECT(folder), "name_with_unread", + with_unread, g_free); + g_value_set_string(value, with_unread); + } else + g_value_set_string(value, folder_name); + break; + + case E_STORAGE_SET_STORE_COLUMN_HIGHLIGHT: + if (!folder) { + g_value_set_boolean(value, FALSE); + return; + } + g_value_set_int(value, is_storage || e_folder_get_highlighted(folder) ? PANGO_WEIGHT_BOLD : 0); + break; + + case E_STORAGE_SET_STORE_COLUMN_CHECKED: + if (is_storage || !store->priv->checkboxes) { + g_value_set_boolean(value, FALSE); + return; + } + g_value_set_boolean(value, + g_hash_table_lookup(store->priv->checkboxes, folder_path) ? TRUE : FALSE); + break; + + case E_STORAGE_SET_STORE_COLUMN_CHECKABLE: + g_value_set_boolean(value, !is_storage && has_checkbox(store, (gchar *)node->data)); + break; + + case E_STORAGE_SET_STORE_COLUMN_ICON: + if (!is_storage) + g_value_set_object (value, get_pixbuf_for_folder (store, folder)); + break; + + default: + g_assert_not_reached (); + break; + } +} + +static gboolean +esss_iter_next(GtkTreeModel *tree_model, GtkTreeIter *iter) +{ + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), FALSE); + g_return_val_if_fail(VALID_ITER(iter, E_STORAGE_SET_STORE(tree_model)), FALSE); + + if (G_NODE(iter->user_data)->next) { + iter->user_data = G_NODE(iter->user_data)->next; + return TRUE; + } else + return FALSE; +} + +static gboolean +esss_iter_children(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent) +{ + GNode *children; + EStorageSetStore *store = (EStorageSetStore *) tree_model; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), FALSE); + g_return_val_if_fail(iter != NULL, FALSE); + g_return_val_if_fail(parent == NULL || parent->user_data != NULL, FALSE); + g_return_val_if_fail(parent == NULL || parent->stamp == store->priv->stamp, FALSE); + + if (parent) + children = G_NODE(parent->user_data)->children; + else + children = + G_NODE(store->priv->root)->children; + + if (children) { + iter->stamp = store->priv->stamp; + iter->user_data = children; + return TRUE; + } else + return FALSE; +} + +static gboolean +esss_iter_has_child(GtkTreeModel *tree_model, GtkTreeIter *iter) +{ + EStorageSetStore *store = (EStorageSetStore *) tree_model; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), FALSE); + g_return_val_if_fail(VALID_ITER(iter, store), FALSE); + + return G_NODE(iter->user_data)->children != NULL; +} + +static gint +esss_iter_n_children(GtkTreeModel *tree_model, GtkTreeIter *iter) +{ + GNode *node; + gint i = 0; + EStorageSetStore *store = (EStorageSetStore *) tree_model; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), 0); + g_return_val_if_fail(iter == NULL || iter->user_data != NULL, FALSE); + + if (iter == NULL) + node = G_NODE(store->priv->root)->children; + else + node = G_NODE(iter->user_data)->children; + + while (node) { + i++; + node = node->next; + } + + return i; +} + +static gboolean +esss_iter_nth_child(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n) +{ + GNode *parent_node; + GNode *child; + EStorageSetStore *store = (EStorageSetStore *) tree_model; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), FALSE); + g_return_val_if_fail(iter != NULL, FALSE); + g_return_val_if_fail(parent == NULL || parent->user_data != NULL, FALSE); + + if (parent == NULL) + parent_node = store->priv->root; + else + parent_node = parent->user_data; + + child = g_node_nth_child(parent_node, n); + + if (child) { + iter->user_data = child; + iter->stamp = store->priv->stamp; + return TRUE; + } else + return FALSE; +} + +static gboolean +esss_iter_parent(GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *child) +{ + GNode *parent; + EStorageSetStore *store = (EStorageSetStore *) tree_model; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(tree_model), FALSE); + g_return_val_if_fail(iter != NULL, FALSE); + g_return_val_if_fail(VALID_ITER(child, store), FALSE); + + parent = G_NODE(child->user_data)->parent; + + g_assert(parent != NULL); + + if (parent != store->priv->root) { + iter->user_data = parent; + iter->stamp = store->priv->stamp; + return TRUE; + } else + return FALSE; +} + +static void +esss_tree_model_init(GtkTreeModelIface *iface) +{ + iface->get_flags = esss_get_flags; + iface->get_n_columns = esss_get_n_columns; + iface->get_column_type = esss_get_column_type; + iface->get_iter = esss_get_iter; + iface->get_path = esss_get_path; + iface->get_value = esss_get_value; + iface->iter_next = esss_iter_next; + iface->iter_children = esss_iter_children; + iface->iter_has_child = esss_iter_has_child; + iface->iter_n_children = esss_iter_n_children; + iface->iter_nth_child = esss_iter_nth_child; + iface->iter_parent = esss_iter_parent; +} + +/* GtkTreeDragSource interface implementation */ + +static gboolean +esss_drag_data_delete(GtkTreeDragSource *source, GtkTreePath *path) +{ + GtkTreeIter iter; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(source), FALSE); + + if (gtk_tree_model_get_iter(GTK_TREE_MODEL(source), &iter, path)) { +#if 0 + e_storage_set_store_remove(E_STORAGE_SET_STORE(source), &iter); +#endif + return TRUE; + } else { + return FALSE; + } +} + +static gboolean +esss_drag_data_get(GtkTreeDragSource *source, GtkTreePath *path, GtkSelectionData *selection_data) +{ + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(source), FALSE); + + /* Note that we don't need to handle the GTK_TREE_MODEL_ROW + * target, because the default handler does it for us, but + * we do anyway for the convenience of someone maybe overriding the + * default handler. + */ + + if (gtk_tree_set_row_drag_data(selection_data, GTK_TREE_MODEL(source), path)) { + return TRUE; + } else { + /* FIXME handle text targets at least. */ + } + + return FALSE; +} + +static void +esss_drag_source_init(GtkTreeDragSourceIface * iface) +{ + iface->drag_data_delete = esss_drag_data_delete; + iface->drag_data_get = esss_drag_data_get; +} + +/* GtkTreeDragDest interface implementation */ + +static void +copy_node_data(EStorageSetStore *store, GtkTreeIter *src_iter, GtkTreeIter *dest_iter) +{ +} + +static void +recursive_node_copy(EStorageSetStore * store, + GtkTreeIter * src_iter, GtkTreeIter * dest_iter) +{ +} + +static gboolean +esss_drag_data_received(GtkTreeDragDest * drag_dest, + GtkTreePath * dest, + GtkSelectionData * selection_data) +{ +#if 0 + GtkTreeModel *tree_model; + EStorageSetStore *store; + GtkTreeModel *src_model = NULL; + GtkTreePath *src_path = NULL; + gboolean retval = FALSE; + + g_return_val_if_fail(E_IS_STORAGE_SET_STORE(drag_dest), FALSE); + + tree_model = GTK_TREE_MODEL(drag_dest); + store = E_STORAGE_SET_STORE(drag_dest); + + validate_tree(store); + + if (gtk_tree_get_row_drag_data(selection_data, + &src_model, + &src_path) && + src_model == tree_model) { + /* Copy the given row to a new position */ + GtkTreeIter src_iter; + GtkTreeIter dest_iter; + GtkTreePath *prev; + + if (!gtk_tree_model_get_iter(src_model, + &src_iter, src_path)) { + goto out; + } + + /* Get the path to insert _after_ (dest is the path to insert _before_) */ + prev = gtk_tree_path_copy(dest); + + if (!gtk_tree_path_prev(prev)) { + GtkTreeIter dest_parent; + GtkTreePath *parent; + GtkTreeIter *dest_parent_p; + + /* dest was the first spot at the current depth; which means + * we are supposed to prepend. + */ + + /* Get the parent, NULL if parent is the root */ + dest_parent_p = NULL; + parent = gtk_tree_path_copy(dest); + if (gtk_tree_path_up(parent) && + gtk_tree_path_get_depth(parent) > 0) { + gtk_tree_model_get_iter(tree_model, + &dest_parent, + parent); + dest_parent_p = &dest_parent; + } + gtk_tree_path_free(parent); + parent = NULL; + + e_storage_set_store_prepend(E_STORAGE_SET_STORE(tree_model), + &dest_iter, dest_parent_p); + + retval = TRUE; + } else { + if (gtk_tree_model_get_iter + (GTK_TREE_MODEL(tree_model), &dest_iter, + prev)) { + GtkTreeIter tmp_iter = dest_iter; + + if (GPOINTER_TO_INT + (g_object_get_data + (G_OBJECT(tree_model), + "gtk-tree-model-drop-append"))) { + GtkTreeIter parent; + + if (gtk_tree_model_iter_parent + (GTK_TREE_MODEL(tree_model), + &parent, &tmp_iter)) + e_storage_set_store_append + (E_STORAGE_SET_STORE + (tree_model), + &dest_iter, &parent); + else + e_storage_set_store_append + (E_STORAGE_SET_STORE + (tree_model), + &dest_iter, NULL); + } else + e_storage_set_store_insert_after + (E_STORAGE_SET_STORE(tree_model), + &dest_iter, NULL, &tmp_iter); + retval = TRUE; + + } + } + + g_object_set_data(G_OBJECT(tree_model), + "gtk-tree-model-drop-append", NULL); + + gtk_tree_path_free(prev); + + /* If we succeeded in creating dest_iter, walk src_iter tree branch, + * duplicating it below dest_iter. + */ + + if (retval) { + recursive_node_copy(store, + &src_iter, &dest_iter); + } + } else { + /* FIXME maybe add some data targets eventually, or handle text + * targets in the simple case. + */ + + } + + out: + + if (src_path) + gtk_tree_path_free(src_path); + + return retval; +#else + return FALSE; +#endif +} + +static gboolean +esss_row_drop_possible(GtkTreeDragDest * drag_dest, + GtkTreePath * dest_path, + GtkSelectionData * selection_data) +{ +#if 0 + GtkTreeModel *src_model = NULL; + GtkTreePath *src_path = NULL; + GtkTreePath *tmp = NULL; + gboolean retval = FALSE; + + if (!gtk_tree_get_row_drag_data(selection_data, + &src_model, &src_path)) + goto out; + + /* can only drag to ourselves */ + if (src_model != GTK_TREE_MODEL(drag_dest)) + goto out; + + /* Can't drop into ourself. */ + if (gtk_tree_path_is_ancestor(src_path, dest_path)) + goto out; + + /* Can't drop if dest_path's parent doesn't exist */ + { + GtkTreeIter iter; + + if (gtk_tree_path_get_depth(dest_path) > 1) { + tmp = gtk_tree_path_copy(dest_path); + gtk_tree_path_up(tmp); + + if (!gtk_tree_model_get_iter + (GTK_TREE_MODEL(drag_dest), &iter, tmp)) + goto out; + } + } + + /* Can otherwise drop anywhere. */ + retval = TRUE; + + out: + + if (src_path) + gtk_tree_path_free(src_path); + if (tmp) + gtk_tree_path_free(tmp); + + return retval; +#else + return FALSE; +#endif +} + +static void +esss_drag_dest_init(GtkTreeDragDestIface * iface) +{ + iface->drag_data_received = esss_drag_data_received; + iface->row_drop_possible = esss_row_drop_possible; +} + +typedef struct { + gint offset; + GNode *node; +} SortTuple; + +static gint +folder_sort_callback (gconstpointer a, gconstpointer b, gpointer user_data) +{ + EStorageSetStore *store = (EStorageSetStore *) user_data; + EStorageSetStorePrivate *priv = store->priv; + EFolder *folder_1, *folder_2; + char *folder_path_1, *folder_path_2; + int priority_1, priority_2; + + + folder_path_1 = (gchar *)((SortTuple *)a)->node->data; + folder_path_2 = (gchar *)((SortTuple *)b)->node->data; + + folder_1 = e_storage_set_get_folder (priv->storage_set, folder_path_1); + folder_2 = e_storage_set_get_folder (priv->storage_set, folder_path_2); + + priority_1 = e_folder_get_sorting_priority (folder_1); + priority_2 = e_folder_get_sorting_priority (folder_2); + + if (priority_1 == priority_2) + return g_utf8_collate (e_folder_get_name (folder_1), e_folder_get_name (folder_2)); + else if (priority_1 < priority_2) + return -1; + else /* priority_1 > priority_2 */ + return +1; +} + +static gint +storage_sort_callback (gconstpointer a, gconstpointer b, gpointer user_data) +{ + char *folder_path_1; + char *folder_path_2; + gboolean path_1_local; + gboolean path_2_local; + + folder_path_1 = (gchar *)((SortTuple *)a)->node->data; + folder_path_2 = (gchar *)((SortTuple *)b)->node->data; + + /* FIXME bad hack to put the "my evolution" and "local" storages on + * top. */ + + if (strcmp (folder_path_1, E_SUMMARY_STORAGE_NAME) == 0) + return -1; + if (strcmp (folder_path_2, E_SUMMARY_STORAGE_NAME) == 0) + return +1; + + path_1_local = ! strcmp (folder_path_1, E_LOCAL_STORAGE_NAME); + path_2_local = ! strcmp (folder_path_2, E_LOCAL_STORAGE_NAME); + + if (path_1_local && path_2_local) + return 0; + if (path_1_local) + return -1; + if (path_2_local) + return 1; + + return g_utf8_collate (folder_path_1, folder_path_2); +} + +static void +esss_sort (EStorageSetStore *store, GNode *parent, GCompareDataFunc callback) +{ + GtkTreeIter iter; + GArray *sort_array; + GNode *node; + GNode *tmp_node; + gint list_length; + gint i; + gint *new_order; + GtkTreePath *path; + + node = parent->children; + if (node == NULL || node->next == NULL) + return; + + list_length = 0; + for (tmp_node = node; tmp_node; tmp_node = tmp_node->next) + list_length++; + + sort_array = g_array_sized_new(FALSE, FALSE, sizeof(SortTuple), list_length); + + i = 0; + for (tmp_node = node; tmp_node; tmp_node = tmp_node->next) { + SortTuple tuple; + + tuple.offset = i; + tuple.node = tmp_node; + g_array_append_val(sort_array, tuple); + i++; + } + + /* Sort the array */ + g_array_sort_with_data(sort_array, callback, store); + + for (i = 0; i < list_length - 1; i++) { + g_array_index(sort_array, SortTuple, i).node->next = + g_array_index(sort_array, SortTuple, i + 1).node; + g_array_index(sort_array, SortTuple, i + 1).node->prev = + g_array_index(sort_array, SortTuple, i).node; + } + g_array_index(sort_array, SortTuple, list_length - 1).node->next = NULL; + g_array_index(sort_array, SortTuple, 0).node->prev = NULL; + parent->children = g_array_index(sort_array, SortTuple, 0).node; + + /* Let the world know about our new order */ + new_order = g_new(gint, list_length); + for (i = 0; i < list_length; i++) + new_order[i] = g_array_index(sort_array, SortTuple, i).offset; + + iter.stamp = store->priv->stamp; + iter.user_data = parent; + path = esss_get_path(GTK_TREE_MODEL(store), &iter); + gtk_tree_model_rows_reordered(GTK_TREE_MODEL(store), path, &iter, new_order); + if (path) + gtk_tree_path_free(path); + g_free(new_order); + g_array_free(sort_array, TRUE); +} + +static void +esss_init(EStorageSetStore *store) +{ + store->priv = g_new0(EStorageSetStorePrivate, 1); + + store->priv->storage_set = NULL; + store->priv->checkboxes = NULL; + store->priv->root = g_node_new(NULL); + do { + store->priv->stamp = g_random_int(); + } while (store->priv->stamp == 0); + + store->priv->path_to_node = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); + store->priv->type_name_to_pixbuf = g_hash_table_new (g_str_hash, g_str_equal); +} + +static void +esss_dispose(GObject *object) +{ + EStorageSetStore *store = E_STORAGE_SET_STORE(object); + + if (store->priv->storage_set) + g_object_unref(store->priv->storage_set); + store->priv->storage_set = NULL; + + (*parent_class->dispose) (object); +} + +static void +node_free (GNode *node, gpointer data) +{ + g_free (node->data); +} + +static void +pixbuf_free_func (gpointer key, gpointer value, gpointer user_data) +{ + g_free (key); + g_object_unref (value); +} + +static void +esss_finalize(GObject *object) +{ + EStorageSetStore *store = E_STORAGE_SET_STORE(object); + + g_node_children_foreach(store->priv->root, G_TRAVERSE_ALL, node_free, NULL); + + g_hash_table_foreach (store->priv->type_name_to_pixbuf, pixbuf_free_func, NULL); + g_hash_table_destroy (store->priv->type_name_to_pixbuf); + g_hash_table_destroy (store->priv->path_to_node); + if (store->priv->checkboxes) + g_hash_table_destroy (store->priv->checkboxes); + + g_free (store->priv); + + (*parent_class->finalize) (object); +} + +static void +esss_class_init(EStorageSetStoreClass *class) +{ + GObjectClass *object_class; + + parent_class = g_type_class_peek_parent(class); + object_class = (GObjectClass *) class; + + object_class->dispose = esss_dispose; + object_class->finalize = esss_finalize; +} + +GType +e_storage_set_store_get_type(void) +{ + static GType store_type = 0; + + if (!store_type) { + static const GTypeInfo store_info = { + sizeof(EStorageSetStoreClass), + NULL, /* base_init */ + NULL, /* base_finalize */ + (GClassInitFunc) esss_class_init, + NULL, /* class_finalize */ + NULL, /* class_data */ + sizeof(EStorageSetStore), + 0, /* n_preallocs */ + (GInstanceInitFunc) esss_init + }; + + static const GInterfaceInfo tree_model_info = { + (GInterfaceInitFunc) + esss_tree_model_init, + NULL, + NULL + }; + + static const GInterfaceInfo drag_source_info = { + (GInterfaceInitFunc) + esss_drag_source_init, + NULL, + NULL + }; + + static const GInterfaceInfo drag_dest_info = { + (GInterfaceInitFunc) esss_drag_dest_init, + NULL, + NULL + }; + + store_type = g_type_register_static(G_TYPE_OBJECT, "EStorageSetStore", &store_info, 0); + + g_type_add_interface_static(store_type, GTK_TYPE_TREE_MODEL, &tree_model_info); + g_type_add_interface_static(store_type, GTK_TYPE_TREE_DRAG_SOURCE, &drag_source_info); + g_type_add_interface_static(store_type, GTK_TYPE_TREE_DRAG_DEST, &drag_dest_info); + } + + return store_type; +} + +/* Handling of the "changed" signal in EFolders displayed in the EStorageSetStore. */ + +typedef struct { + EStorageSetStore *store; + GNode * node; +} FolderChangedCallbackData; + +static void +folder_changed_cb (EFolder *folder, void *data) +{ + FolderChangedCallbackData *callback_data; + GtkTreePath *path; + GtkTreeIter iter; + + callback_data = (FolderChangedCallbackData *) data; + iter.user_data = callback_data->node; + iter.stamp = callback_data->store->priv->stamp; + path = esss_get_path (GTK_TREE_MODEL (callback_data->store), &iter); + + gtk_tree_model_row_changed (GTK_TREE_MODEL (callback_data->store), path, &iter); + if (path) + gtk_tree_path_free (path); +} + +static void +folder_name_changed_cb (EFolder *folder, void *data) +{ + FolderChangedCallbackData *callback_data; + + callback_data = (FolderChangedCallbackData *) data; + + esss_sort (callback_data->store, callback_data->node->parent, folder_sort_callback); +} + +static void +setup_folder_changed_callbacks (EStorageSetStore *store, EFolder *folder, GNode *node) +{ + FolderChangedCallbackData *callback_data = g_new0 (FolderChangedCallbackData, 1); + callback_data->store = store; + callback_data->node = node; + + g_signal_connect (G_OBJECT (folder), "changed", + G_CALLBACK (folder_changed_cb), callback_data); + + g_signal_connect_data (G_OBJECT (folder), "name_changed", + G_CALLBACK (folder_name_changed_cb), + callback_data, (GClosureNotify)g_free, 0); +} + +static void +insert_folders (EStorageSetStore *store, GNode *parent, EStorage *storage, const gchar *path) +{ + EStorageSetStorePrivate *priv; + GList *folder_path_list, *p; + const gchar *storage_name = e_storage_get_name (storage); + + priv = store->priv; + + folder_path_list = e_storage_get_subfolder_paths (storage, path); + if (folder_path_list == NULL) + return; + + for (p = folder_path_list; p != NULL; p = p->next) { + EFolder *folder; + const char *subpath = (const char *) p->data; + char *folder_path = g_strconcat ("/", storage_name, subpath, NULL); + gchar *key = g_strdup (folder_path+1); + GNode *node = g_node_new (folder_path); + + g_node_append (parent, node); + g_hash_table_replace (priv->path_to_node, key, node); + + folder = e_storage_get_folder (storage, subpath); + setup_folder_changed_callbacks (store, folder, node); + + insert_folders (store, node, storage, subpath); + } + + esss_sort (store, parent, folder_sort_callback); + + e_free_string_list (folder_path_list); +} + +/* StorageSet signal handling. */ + +static void +new_storage_cb (EStorageSet *storage_set, EStorage *storage, void *data) +{ + EStorageSetStore *store = E_STORAGE_SET_STORE (data); + EStorageSetStorePrivate *priv = store->priv; + gchar *storage_name = g_strdup (e_storage_get_name (storage)); + GNode *node = g_node_new (g_strdup (e_storage_get_name (storage))); + GtkTreePath *path; + GtkTreeIter iter; + + g_hash_table_replace (priv->path_to_node, storage_name, node); + g_node_append (priv->root, node); + esss_sort (store, priv->root, storage_sort_callback); + + iter.user_data = node; + iter.stamp = store->priv->stamp; + path = esss_get_path (GTK_TREE_MODEL (store), &iter); + gtk_tree_model_row_inserted (GTK_TREE_MODEL (store), path, &iter); + if (path) + gtk_tree_path_free (path); +} + +static void +removed_storage_cb (EStorageSet *storage_set, EStorage *storage, void *data) +{ + EStorageSetStore *store = E_STORAGE_SET_STORE (data); + EStorageSetStorePrivate *priv = store->priv; + const gchar *name = e_storage_get_name (storage); + GNode *node = g_hash_table_lookup (priv->path_to_node, name); + GtkTreePath *path; + + if (node == NULL) { + g_warning ("EStorageSetStore: unknown storage removed -- %s", name); + return; + } + + g_hash_table_remove (priv->path_to_node, name); + /* FIXME: subfolder hashtable entries might be leaked */ + + path = tree_path_from_node (store, node); + gtk_tree_model_row_deleted (GTK_TREE_MODEL (store), path); + if (path) + gtk_tree_path_free (path); + g_node_destroy (node); +} + +static void +new_folder_cb (EStorageSet *storage_set, const char *path, void *data) +{ + EStorageSetStore *store = E_STORAGE_SET_STORE (data); + EStorageSetStorePrivate *priv = store->priv; + GNode *parent_node, *new_node; + const char *last_separator; + char *parent_path; + char *copy_of_path; + GtkTreeIter iter; + GtkTreePath *treepath; + + last_separator = strrchr (path, E_PATH_SEPARATOR); + + parent_path = g_strndup (path + 1, last_separator - path - 1); + parent_node = g_hash_table_lookup (priv->path_to_node, parent_path); + g_free (parent_path); + if (parent_node == NULL) { + g_warning ("EStorageSetStore: EStorageSet reported new subfolder for non-existing folder -- %s", parent_path); + return; + } + + copy_of_path = g_strdup (path); + new_node = g_node_new (copy_of_path); + g_node_append (parent_node, new_node); + iter.user_data = new_node; + iter.stamp = priv->stamp; + treepath = esss_get_path (GTK_TREE_MODEL (store), &iter); + gtk_tree_model_row_inserted (GTK_TREE_MODEL (store), treepath, &iter); + if (treepath) + gtk_tree_path_free (treepath); + + g_hash_table_replace (priv->path_to_node, g_strdup (path + 1), new_node); + + setup_folder_changed_callbacks (store, e_storage_set_get_folder (storage_set, path), new_node); + esss_sort (store, parent_node, folder_sort_callback); +} + +static void +updated_folder_cb (EStorageSet *storage_set, const char *path, void *data) +{ + EStorageSetStore *store = E_STORAGE_SET_STORE (data); + EStorageSetStorePrivate *priv = store->priv; + GNode *node; + GtkTreeIter iter; + GtkTreePath *treepath; + + node = g_hash_table_lookup (priv->path_to_node, path+1); + if (node == NULL) { + g_warning ("EStorageSetStore: unknown folder updated -- %s", path); + return; + } + + iter.user_data = node; + iter.stamp = priv->stamp; + treepath = esss_get_path (GTK_TREE_MODEL (store), &iter); + gtk_tree_model_row_changed (GTK_TREE_MODEL (store), treepath, &iter); + if (treepath) + gtk_tree_path_free (treepath); +} + +static void +removed_folder_cb (EStorageSet *storage_set, const char *path, void *data) +{ + EStorageSetStore *store = E_STORAGE_SET_STORE (data); + EStorageSetStorePrivate *priv = store->priv; + GNode *node; + GtkTreePath *treepath; + + node = g_hash_table_lookup (priv->path_to_node, path+1); + if (node == NULL) { + g_warning ("EStorageSetStore: unknown folder removed -- %s", path); + return; + } + + g_hash_table_remove (priv->path_to_node, path+1); + /* FIXME: subfolder hashtable entries might be leaked */ + + treepath = tree_path_from_node (store, node); + gtk_tree_model_row_deleted (GTK_TREE_MODEL (store), treepath); + if (treepath) + gtk_tree_path_free (treepath); + g_node_destroy (node); +} + +static void +close_folder_cb (EStorageSet *storage_set, + const char *path, + void *data) +{ + g_warning ("FIXME: EStorageSetStore: needs to handle close_folder properly"); +#if 0 + EStorageSetStore *store; + EStorageSetStorePrivate *priv; + ETreeModel *etree; + ETreePath node; + + store = E_STORAGE_SET_STORE (data); + priv = store->priv; + etree = priv->etree_model; + + node = lookup_node_in_hash (store, path); + e_tree_model_node_request_collapse (priv->etree_model, node); +#endif +} + +static void +connect_storage_set (EStorageSetStore *store, EStorageSet *storage_set, gboolean show_folders) +{ + EStorageSetStorePrivate *priv; + GList *storage_list; + GList *p; + + priv = store->priv; + priv->storage_set = storage_set; + g_object_ref (storage_set); + + storage_list = e_storage_set_get_storage_list (storage_set); + + for (p = storage_list; p != NULL; p = p->next) { + EStorage *storage = E_STORAGE (p->data); + const char *name = e_storage_get_name (storage); + GNode *node = g_node_new (g_strdup (name)); + g_node_append (priv->root, node); + g_hash_table_replace (priv->path_to_node, g_strdup (name), node); + + if (show_folders) + insert_folders (store, node, storage, "/"); + } + + esss_sort (store, priv->root, storage_sort_callback); + + e_free_object_list (storage_list); + + g_signal_connect_object (storage_set, "new_storage", G_CALLBACK (new_storage_cb), store, 0); + g_signal_connect_object (storage_set, "removed_storage", G_CALLBACK (removed_storage_cb), store, 0); + if (!show_folders) + return; + + g_signal_connect_object (storage_set, "new_folder", G_CALLBACK (new_folder_cb), store, 0); + g_signal_connect_object (storage_set, "updated_folder", G_CALLBACK (updated_folder_cb), store, 0); + g_signal_connect_object (storage_set, "removed_folder", G_CALLBACK (removed_folder_cb), store, 0); + g_signal_connect_object (storage_set, "close_folder", G_CALLBACK (close_folder_cb), store, 0); +} + +/** + * e_storage_set_store_new: + * @storage_set: the #EStorageSet that the store exposes + * @show_folders: flag indicating if subfolders should be shown + * + * Creates a new tree store from the provided #EStorageSet. + * + * Return value: a new #EStorageSetStore + **/ +EStorageSetStore * +e_storage_set_store_new(EStorageSet *storage_set, gboolean show_folders) +{ + EStorageSetStore *store; + g_return_val_if_fail (E_IS_STORAGE_SET(storage_set), NULL); + + store = E_STORAGE_SET_STORE (g_object_new (E_STORAGE_SET_STORE_TYPE, NULL)); + connect_storage_set (store, storage_set, show_folders); + + return store; +} + +static gboolean +esss_real_set_value(EStorageSetStore *store, GtkTreeIter *iter, gint column, GValue *value) +{ + gchar *path; + + if (column != E_STORAGE_SET_STORE_COLUMN_CHECKED) + return FALSE; + + path = G_NODE (iter->user_data)->data; + + if (g_value_get_boolean (value)) { + g_hash_table_insert (store->priv->checkboxes, path, path); + } else { + g_hash_table_remove (store->priv->checkboxes, path); + } + + return TRUE; +} + +/** + * e_storage_set_store_set_value: + * @store: a #EStorageSetStore + * @iter: A valid #GtkTreeIter for the row being modified + * @column: column number to modify + * @value: new value for the cell + * + * Sets the data in the cell specified by @iter and @column. + * The type of @value must be convertible to the type of the + * column. + * + **/ +void +e_storage_set_store_set_value(EStorageSetStore *store, GtkTreeIter *iter, + gint column, GValue *value) +{ + g_return_if_fail(E_IS_STORAGE_SET_STORE(store)); + g_return_if_fail(VALID_ITER(iter, store)); + g_return_if_fail(VALID_COL(column)); + g_return_if_fail(G_IS_VALUE(value)); + + if (esss_real_set_value (store, iter, column, value)) { + GtkTreePath *path; + + path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), iter); + gtk_tree_model_row_changed(GTK_TREE_MODEL(store), path, iter); + if (path) + gtk_tree_path_free(path); + } +} + +/** + * e_storage_set_store_get_tree_path: + * @store: a #EStorageSetStore + * @folder_path: a string representing the #EStorageSet folder path + * + * Gets a #GtkTreePath corresponding to the folder path specified. + * + * Return value: the tree path of the folder + **/ +GtkTreePath * +e_storage_set_store_get_tree_path (EStorageSetStore *store, const gchar *folder_path) +{ + GNode *node; + + g_return_if_fail(E_IS_STORAGE_SET_STORE(store)); + + node = g_hash_table_lookup (store->priv->path_to_node, folder_path+1); + + return tree_path_from_node (store, node); +} + +/** + * e_storage_set_store_get_folder_path: + * @store: a #EStorageSetStore + * @folder_path: a string representing the #EStorageSet folder path + * + * Gets a #GtkTreePath corresponding to the folder path specified. + * + * Return value: the tree path of the folder + **/ +const gchar * +e_storage_set_store_get_folder_path (EStorageSetStore *store, GtkTreePath *tree_path) +{ + GtkTreeIter iter; + GNode *node; + + g_return_if_fail(E_IS_STORAGE_SET_STORE(store)); + + if (!esss_get_iter (GTK_TREE_MODEL (store), &iter, tree_path)) + return NULL; + + node = G_NODE (iter.user_data); + + return (const gchar *)node->data; +} + +/** + * e_storage_set_store_set_has_checkbox_func: + * @store: a #EStorageSetStore + * @func: a callback to determine if a row is checked + * @data: callback data + * + * Sets a callback function for checkbox visibility determination + **/ +void +e_storage_set_store_set_has_checkbox_func (EStorageSetStore *store, EStorageSetStoreHasCheckBoxFunc func, gpointer data) +{ + g_return_if_fail(E_IS_STORAGE_SET_STORE(store)); + + store->priv->has_checkbox_func = func; + store->priv->has_checkbox_func_data = data; +} + diff --git a/shell/e-storage-set-store.h b/shell/e-storage-set-store.h new file mode 100644 index 0000000000..251b61e519 --- /dev/null +++ b/shell/e-storage-set-store.h @@ -0,0 +1,91 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* e-storage-set-store.h + * + * Copyright (C) 2002 Ximian, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Mike Kestner + */ + +#ifndef __E_STORAGE_SET_STORE_H__ +#define __E_STORAGE_SET_STORE_H__ + +#include <gtk/gtktreemodel.h> +#include "e-storage-set.h" +#include "e-storage-set-store.h" + +G_BEGIN_DECLS + +#define E_STORAGE_SET_STORE_TYPE (e_storage_set_store_get_type ()) +#define E_STORAGE_SET_STORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), E_STORAGE_SET_STORE_TYPE, EStorageSetStore)) +#define E_STORAGE_SET_STORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), E_STORAGE_SET_STORE_TYPE, EStorageSetStoreClass)) +#define E_IS_STORAGE_SET_STORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), E_STORAGE_SET_STORE_TYPE)) +#define E_IS_STORAGE_SET_STORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((obj), E_STORAGE_SET_STORE_TYPE)) +#define E_STORAGE_SET_STORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), E_STORAGE_SET_STORE_TYPE, EStorageSetStoreClass)) + +typedef gboolean (* EStorageSetStoreHasCheckBoxFunc) (EStorageSet *storage_set, + const char *path, + void *data); + +typedef enum { + E_STORAGE_SET_STORE_COLUMN_NAME, + E_STORAGE_SET_STORE_COLUMN_HIGHLIGHT, + E_STORAGE_SET_STORE_COLUMN_CHECKED, + E_STORAGE_SET_STORE_COLUMN_CHECKABLE, + E_STORAGE_SET_STORE_COLUMN_ICON, + E_STORAGE_SET_STORE_COLUMN_COUNT +} E_STORAGE_SET_STORE_COLUMN_TYPE; + +typedef struct _EStorageSetStore EStorageSetStore; +typedef struct _EStorageSetStorePrivate EStorageSetStorePrivate; +typedef struct _EStorageSetStoreClass EStorageSetStoreClass; + +struct _EStorageSetStore { + GObject parent; + + EStorageSetStorePrivate *priv; +}; + +struct _EStorageSetStoreClass { + GObjectClass parent_class; +}; + + +GType e_storage_set_store_get_type (void); + +EStorageSetStore *e_storage_set_store_new (EStorageSet *storage_set, gboolean show_folders); + +EStorageSet *e_storage_set_store_get_storage_set (EStorageSetStore *storage_set_store); + +void e_storage_set_store_set_checkboxes_list (EStorageSetStore *storage_set_store, + GSList *checkboxes); +GSList *e_storage_set_store_get_checkboxes_list (EStorageSetStore *storage_set_store); + +void e_storage_set_store_set_allow_dnd (EStorageSetStore *storage_set_store, + gboolean allow_dnd); +gboolean e_storage_set_store_get_allow_dnd (EStorageSetStore *storage_set_store); + +GtkTreePath *e_storage_set_store_get_tree_path (EStorageSetStore *store, const gchar *folder_path); + +const gchar *e_storage_set_store_get_folder_path (EStorageSetStore *store, GtkTreePath *tree_path); + +void e_storage_set_store_set_has_checkbox_func (EStorageSetStore *storage_set_store, + EStorageSetStoreHasCheckBoxFunc func, + gpointer data); + +G_END_DECLS + +#endif /* __E_STORAGE_SET_STORE_H__ */ |