diff options
Diffstat (limited to 'capplets/file-types/mime-types-model.c')
| -rw-r--r-- | capplets/file-types/mime-types-model.c | 624 |
1 files changed, 0 insertions, 624 deletions
diff --git a/capplets/file-types/mime-types-model.c b/capplets/file-types/mime-types-model.c deleted file mode 100644 index 5522d0ab1..000000000 --- a/capplets/file-types/mime-types-model.c +++ /dev/null @@ -1,624 +0,0 @@ -/* -*- mode: c; style: linux -*- */ - -/* mime-types-model.c - * Copyright (C) 2000 Red Hat, Inc., - * (C) 2002 Ximian, Inc. - * - * Written by Bradford Hovinen <hovinen@ximian.com> - * Based on code by Jonathan Blandford <jrb@redhat.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * 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. - * - * The model-related bootstrapping is lifted from gtk+/gtk/gtktreestore.c - */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include "mime-types-model.h" -#include "mime-type-info.h" -#include "service-info.h" - -#define IS_CATEGORY(entry) ((entry) != NULL && (entry)->type == MODEL_ENTRY_CATEGORY) - -enum { - PROP_0, - PROP_CATEGORY_ONLY -}; - -struct _MimeTypesModelPrivate -{ - gint stamp; - gboolean category_only; -}; - -static GObjectClass *parent_class; - - - -static void mime_types_model_init (MimeTypesModel *mime_types_model, - MimeTypesModelClass *class); -static void mime_types_model_class_init (MimeTypesModelClass *class); -static void mime_types_model_base_init (MimeTypesModelClass *class); - -static void mime_types_model_tree_model_init (GtkTreeModelIface *iface); - -static void mime_types_model_set_prop (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec); -static void mime_types_model_get_prop (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec); - -static void mime_types_model_finalize (GObject *object); - -static guint mime_types_model_get_flags (GtkTreeModel *tree_model); -static gint mime_types_model_get_n_columns (GtkTreeModel *tree_model); -static GType mime_types_model_get_column_type (GtkTreeModel *tree_model, - gint index); -static gboolean mime_types_model_get_iter (GtkTreeModel *tree_model, - GtkTreeIter *iter, - GtkTreePath *path); -static GtkTreePath *mime_types_model_get_path (GtkTreeModel *tree_model, - GtkTreeIter *iter); -static void mime_types_model_get_value (GtkTreeModel *tree_model, - GtkTreeIter *iter, - gint column, - GValue *value); -static gboolean mime_types_model_iter_next (GtkTreeModel *tree_model, - GtkTreeIter *iter); -static gboolean mime_types_model_iter_children (GtkTreeModel *tree_model, - GtkTreeIter *iter, - GtkTreeIter *parent); -static gboolean mime_types_model_iter_has_child (GtkTreeModel *tree_model, - GtkTreeIter *iter); -static gint mime_types_model_iter_n_children (GtkTreeModel *tree_model, - GtkTreeIter *iter); -static gboolean mime_types_model_iter_nth_child (GtkTreeModel *tree_model, - GtkTreeIter *iter, - GtkTreeIter *parent, - gint n); -static gboolean mime_types_model_iter_parent (GtkTreeModel *tree_model, - GtkTreeIter *result, - GtkTreeIter *child); - - - -GType -mime_types_model_get_type (void) -{ - static GType mime_types_model_type = 0; - - if (!mime_types_model_type) { - static const GTypeInfo mime_types_model_info = { - sizeof (MimeTypesModelClass), - (GBaseInitFunc) mime_types_model_base_init, - NULL, /* GBaseFinalizeFunc */ - (GClassInitFunc) mime_types_model_class_init, - NULL, /* GClassFinalizeFunc */ - NULL, /* user-supplied data */ - sizeof (MimeTypesModel), - 0, /* n_preallocs */ - (GInstanceInitFunc) mime_types_model_init, - NULL - }; - - static const GInterfaceInfo tree_model_info = { - (GInterfaceInitFunc) mime_types_model_tree_model_init, - NULL, - NULL - }; - - mime_types_model_type = - g_type_register_static (G_TYPE_OBJECT, - "MimeTypesModel", - &mime_types_model_info, 0); - - g_type_add_interface_static (mime_types_model_type, - GTK_TYPE_TREE_MODEL, - &tree_model_info); - } - - return mime_types_model_type; -} - -static void -mime_types_model_init (MimeTypesModel *mime_types_model, MimeTypesModelClass *class) -{ - mime_types_model->p = g_new0 (MimeTypesModelPrivate, 1); - mime_types_model->p->stamp = g_random_int (); -} - -static void -mime_types_model_base_init (MimeTypesModelClass *class) -{ -} - -static void -mime_types_model_class_init (MimeTypesModelClass *class) -{ - GObjectClass *object_class; - - object_class = G_OBJECT_CLASS (class); - - object_class->finalize = mime_types_model_finalize; - object_class->set_property = mime_types_model_set_prop; - object_class->get_property = mime_types_model_get_prop; - - g_object_class_install_property - (object_class, PROP_CATEGORY_ONLY, - g_param_spec_boolean ("category-only", - _("Model for categories only"), - _("Model for categories only"), - FALSE, - G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); - - parent_class = G_OBJECT_CLASS - (g_type_class_ref (G_TYPE_OBJECT)); -} - -static void -mime_types_model_tree_model_init (GtkTreeModelIface *iface) -{ - iface->get_flags = mime_types_model_get_flags; - iface->get_n_columns = mime_types_model_get_n_columns; - iface->get_column_type = mime_types_model_get_column_type; - iface->get_iter = mime_types_model_get_iter; - iface->get_path = mime_types_model_get_path; - iface->get_value = mime_types_model_get_value; - iface->iter_next = mime_types_model_iter_next; - iface->iter_children = mime_types_model_iter_children; - iface->iter_has_child = mime_types_model_iter_has_child; - iface->iter_n_children = mime_types_model_iter_n_children; - iface->iter_nth_child = mime_types_model_iter_nth_child; - iface->iter_parent = mime_types_model_iter_parent; -} - -static void -mime_types_model_set_prop (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) -{ - MimeTypesModel *mime_types_model; - - g_return_if_fail (object != NULL); - g_return_if_fail (IS_MIME_TYPES_MODEL (object)); - - mime_types_model = MIME_TYPES_MODEL (object); - - switch (prop_id) { - case PROP_CATEGORY_ONLY: - mime_types_model->p->category_only = g_value_get_boolean (value); - break; - - default: - g_warning ("Bad property set"); - break; - } -} - -static void -mime_types_model_get_prop (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) -{ - MimeTypesModel *mime_types_model; - - g_return_if_fail (object != NULL); - g_return_if_fail (IS_MIME_TYPES_MODEL (object)); - - mime_types_model = MIME_TYPES_MODEL (object); - - switch (prop_id) { - case PROP_CATEGORY_ONLY: - g_value_set_boolean (value, mime_types_model->p->category_only); - break; - - default: - g_warning ("Bad property get"); - break; - } -} - -static void -mime_types_model_finalize (GObject *object) -{ - MimeTypesModel *mime_types_model; - - g_return_if_fail (object != NULL); - g_return_if_fail (IS_MIME_TYPES_MODEL (object)); - - mime_types_model = MIME_TYPES_MODEL (object); - - g_free (mime_types_model->p); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - - - -GObject * -mime_types_model_new (gboolean category_only) -{ - return g_object_new (mime_types_model_get_type (), - "category-only", category_only, - NULL); -} - -void -mime_types_model_construct_iter (MimeTypesModel *model, ModelEntry *entry, GtkTreeIter *iter) -{ - g_return_if_fail (model != NULL); - g_return_if_fail (IS_MIME_TYPES_MODEL (model)); - g_return_if_fail (iter != NULL); - - iter->stamp = model->p->stamp; - iter->user_data = entry; -} - - - -static guint -mime_types_model_get_flags (GtkTreeModel *tree_model) -{ - g_return_val_if_fail (tree_model != NULL, 0); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), 0); - - return GTK_TREE_MODEL_ITERS_PERSIST; -} - -static gint -mime_types_model_get_n_columns (GtkTreeModel *tree_model) -{ - g_return_val_if_fail (tree_model != NULL, 0); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), 0); - - return MODEL_LAST_COLUMN; -} - -static GType -mime_types_model_get_column_type (GtkTreeModel *tree_model, gint index) -{ - g_return_val_if_fail (tree_model != NULL, G_TYPE_INVALID); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), G_TYPE_INVALID); - - switch (index) { - case MODEL_COLUMN_MIME_TYPE: - case MODEL_COLUMN_DESCRIPTION: - case MODEL_COLUMN_FILE_EXT: - return G_TYPE_STRING; - break; - - case MODEL_COLUMN_ICON: - return GDK_TYPE_PIXBUF; - break; - - default: - return G_TYPE_INVALID; - break; - } -} - -/* Adapted from gtk+/gtk/gtktreestore.c, gtk_tree_store_get_iter */ - -static gboolean -mime_types_model_get_iter (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreePath *path) -{ - MimeTypesModel *model; - gint *indices, depth, i; - GtkTreeIter parent; - - g_return_val_if_fail (tree_model != NULL, FALSE); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), FALSE); - - model = MIME_TYPES_MODEL (tree_model); - - indices = gtk_tree_path_get_indices (path); - depth = gtk_tree_path_get_depth (path); - - g_return_val_if_fail (depth > 0, FALSE); - - parent.stamp = model->p->stamp; - parent.user_data = get_model_entries (tree_model); - - if (!gtk_tree_model_iter_nth_child (tree_model, iter, &parent, indices[0])) - return FALSE; - - for (i = 1; i < depth; i++) { - parent = *iter; - if (!gtk_tree_model_iter_nth_child (tree_model, iter, &parent, indices[i])) - return FALSE; - } - - return TRUE; -} - -static GtkTreePath * -mime_types_model_get_path (GtkTreeModel *tree_model, GtkTreeIter *iter) -{ - MimeTypesModel *model; - ModelEntry *entry; - GtkTreePath *path; - - g_return_val_if_fail (tree_model != NULL, NULL); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), NULL); - - model = MIME_TYPES_MODEL (tree_model); - - path = gtk_tree_path_new (); - entry = iter->user_data; - - while (entry->parent != NULL) { - gtk_tree_path_prepend_index (path, model_entry_get_index (entry->parent, entry)); - entry = entry->parent; - } - - return path; -} - -static void -mime_types_model_get_value (GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value) -{ - MimeTypesModel *model; - ModelEntry *entry; - GdkPixbuf *icon; - gchar *pretty_string; - - g_return_if_fail (tree_model != NULL); - g_return_if_fail (IS_MIME_TYPES_MODEL (tree_model)); - - model = MIME_TYPES_MODEL (tree_model); - entry = iter->user_data; - - switch (column) { - case MODEL_COLUMN_MIME_TYPE: - g_value_init (value, G_TYPE_STRING); - - switch (entry->type) { - case MODEL_ENTRY_MIME_TYPE: - g_value_set_static_string (value, MIME_TYPE_INFO (entry)->mime_type); - break; - - case MODEL_ENTRY_SERVICE: - g_value_set_static_string (value, SERVICE_INFO (entry)->protocol); - break; - - default: - g_value_set_string (value, ""); - break; - } - - break; - - case MODEL_COLUMN_DESCRIPTION: - g_value_init (value, G_TYPE_STRING); - - switch (entry->type) { - case MODEL_ENTRY_MIME_TYPE: - g_value_set_static_string (value, mime_type_info_get_description (MIME_TYPE_INFO (entry))); - break; - - case MODEL_ENTRY_CATEGORY: - g_value_set_static_string (value, MIME_CATEGORY_INFO (entry)->description); - break; - - case MODEL_ENTRY_SERVICE: - g_value_set_static_string (value, service_info_get_description (SERVICE_INFO (entry))); - break; - - case MODEL_ENTRY_SERVICES_CATEGORY: - g_value_set_static_string (value, _("Internet Services")); - break; - - default: - g_value_set_string (value, ""); - break; - } - - break; - - case MODEL_COLUMN_ICON: - g_value_init (value, GDK_TYPE_PIXBUF); - - switch (entry->type) { - case MODEL_ENTRY_MIME_TYPE: - icon = mime_type_info_get_icon (MIME_TYPE_INFO (entry)); - - if (icon != NULL) - g_value_set_object (value, G_OBJECT (icon)); - else - g_value_set_object (value, NULL); - - break; - - default: - g_value_set_object (value, NULL); - break; - } - - break; - - case MODEL_COLUMN_FILE_EXT: - g_value_init (value, G_TYPE_STRING); - - switch (entry->type) { - case MODEL_ENTRY_MIME_TYPE: - pretty_string = mime_type_info_get_file_extensions_pretty_string (MIME_TYPE_INFO (entry)); - g_value_set_string (value, pretty_string); - g_free (pretty_string); - break; - - case MODEL_ENTRY_SERVICE: - g_value_set_static_string (value, SERVICE_INFO (entry)->protocol); - break; - - default: - g_value_set_string (value, ""); - break; - } - - break; - } -} - -static gboolean -mime_types_model_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter) -{ - MimeTypesModel *model; - ModelEntry *entry; - - g_return_val_if_fail (tree_model != NULL, FALSE); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), FALSE); - - model = MIME_TYPES_MODEL (tree_model); - entry = iter->user_data; - - if (entry != NULL) - iter->user_data = entry->next; - - if (model->p->category_only) - while (iter->user_data != NULL && !IS_CATEGORY (MODEL_ENTRY (iter->user_data))) - iter->user_data = MODEL_ENTRY (iter->user_data)->next; - - return iter->user_data != NULL; -} - -static gboolean -mime_types_model_iter_children (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent) -{ - MimeTypesModel *model; - ModelEntry *entry; - - g_return_val_if_fail (tree_model != NULL, FALSE); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), FALSE); - - model = MIME_TYPES_MODEL (tree_model); - - if (parent != NULL) - entry = parent->user_data; - else - entry = get_model_entries (tree_model); - - iter->user_data = entry->first_child; - - if (model->p->category_only) - while (iter->user_data != NULL && !IS_CATEGORY (MODEL_ENTRY (iter->user_data))) - iter->user_data = MODEL_ENTRY (iter->user_data)->next; - - return iter->user_data != NULL; -} - -static gboolean -mime_types_model_iter_has_child (GtkTreeModel *tree_model, GtkTreeIter *iter) -{ - MimeTypesModel *model; - ModelEntry *entry; - - g_return_val_if_fail (tree_model != NULL, FALSE); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), FALSE); - - model = MIME_TYPES_MODEL (tree_model); - entry = iter->user_data; - - if (entry == NULL) - return get_model_entries (tree_model)->first_child != NULL; - else if (!model->p->category_only || IS_CATEGORY (entry->first_child)) - return entry->first_child != NULL; - else { - for (entry = entry->first_child; entry != NULL; entry = entry->next) - if (IS_CATEGORY (entry)) - return TRUE; - - return FALSE; - } -} - -static gint -mime_types_model_iter_n_children (GtkTreeModel *tree_model, GtkTreeIter *iter) -{ - MimeTypesModel *model; - ModelEntry *entry, *tmp; - gint count = 0; - - g_return_val_if_fail (tree_model != NULL, 0); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), 0); - - model = MIME_TYPES_MODEL (tree_model); - - if (iter != NULL) - entry = iter->user_data; - else - entry = NULL; - - if (entry == NULL) - entry = get_model_entries (tree_model); - - if (model->p->category_only) { - for (tmp = entry->first_child; tmp != NULL; tmp = tmp->next) { - if (tmp->type == MODEL_ENTRY_CATEGORY) - count++; - } - } else { - for (tmp = entry->first_child; tmp != NULL; tmp = tmp->next) - count++; - } - - return count; -} - -static gboolean -mime_types_model_iter_nth_child (GtkTreeModel *tree_model, GtkTreeIter *iter, GtkTreeIter *parent, gint n) -{ - MimeTypesModel *model; - ModelEntry *entry; - - g_return_val_if_fail (tree_model != NULL, FALSE); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), FALSE); - - model = MIME_TYPES_MODEL (tree_model); - - if (parent != NULL) - entry = parent->user_data; - else - entry = NULL; - - if (entry == NULL) - iter->user_data = model_entry_get_nth_child (get_model_entries (tree_model), n, model->p->category_only); - else - iter->user_data = model_entry_get_nth_child (entry, n, model->p->category_only); - - return iter->user_data != NULL; -} - -static gboolean -mime_types_model_iter_parent (GtkTreeModel *tree_model, GtkTreeIter *result, GtkTreeIter *child) -{ - MimeTypesModel *model; - ModelEntry *entry; - - g_return_val_if_fail (tree_model != NULL, FALSE); - g_return_val_if_fail (IS_MIME_TYPES_MODEL (tree_model), FALSE); - - model = MIME_TYPES_MODEL (tree_model); - entry = child->user_data; - - if (entry != NULL && entry->parent->type != MODEL_ENTRY_NONE) - result->user_data = entry->parent; - else - result->user_data = NULL; - - return result->user_data != NULL; -} - |