diff options
Diffstat (limited to 'modules/imap-features/e-mail-config-header-manager.c')
| -rw-r--r-- | modules/imap-features/e-mail-config-header-manager.c | 500 |
1 files changed, 500 insertions, 0 deletions
diff --git a/modules/imap-features/e-mail-config-header-manager.c b/modules/imap-features/e-mail-config-header-manager.c new file mode 100644 index 0000000000..1e8e3ec159 --- /dev/null +++ b/modules/imap-features/e-mail-config-header-manager.c @@ -0,0 +1,500 @@ +/* + * e-mail-config-header-manager.c + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + */ + +#include "e-mail-config-header-manager.h" + +#define E_MAIL_CONFIG_HEADER_MANAGER_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_MAIL_CONFIG_HEADER_MANAGER, EMailConfigHeaderManagerPrivate)) + +struct _EMailConfigHeaderManagerPrivate { + GHashTable *headers; + + GtkWidget *entry; /* not referenced */ + GtkWidget *tree_view; /* not referenced */ + GtkWidget *add_button; /* not referenced */ + GtkWidget *remove_button; /* not referenced */ +}; + +enum { + PROP_0, + PROP_HEADERS +}; + +G_DEFINE_DYNAMIC_TYPE ( + EMailConfigHeaderManager, + e_mail_config_header_manager, + GTK_TYPE_GRID) + +static gboolean +mail_config_header_manager_header_is_valid (const gchar *header) +{ + gchar *stripped_header; + gboolean is_valid; + glong length; + + if (header == NULL) + return FALSE; + + stripped_header = g_strstrip (g_strdup (header)); + length = g_utf8_strlen (stripped_header, -1); + + is_valid = + (*stripped_header != '\0') && + (g_utf8_strchr (stripped_header, length, ':') == NULL) && + (g_utf8_strchr (stripped_header, length, ' ') == NULL); + + g_free (stripped_header); + + return is_valid; +} + +static gboolean +mail_config_header_manager_header_to_boolean (GBinding *binding, + const GValue *source_value, + GValue *target_value, + gpointer unused) +{ + gboolean is_valid; + const gchar *string; + + string = g_value_get_string (source_value); + is_valid = mail_config_header_manager_header_is_valid (string); + g_value_set_boolean (target_value, is_valid); + + return TRUE; +} + +static void +mail_config_header_manager_update_list (EMailConfigHeaderManager *manager) +{ + GtkTreeView *tree_view; + GtkTreeModel *tree_model; + GtkListStore *list_store; + GtkTreeSelection *selection; + GtkTreePath *path = NULL; + GList *list, *link; + + tree_view = GTK_TREE_VIEW (manager->priv->tree_view); + selection = gtk_tree_view_get_selection (tree_view); + + list = gtk_tree_selection_get_selected_rows (selection, &tree_model); + if (g_list_length (list) == 1) + path = gtk_tree_path_copy (list->data); + g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free); + + list_store = GTK_LIST_STORE (tree_model); + gtk_list_store_clear (list_store); + + list = g_hash_table_get_keys (manager->priv->headers); + list = g_list_sort (list, (GCompareFunc) g_utf8_collate); + + for (link = list; link != NULL; link = g_list_next (link)) { + GtkTreeIter iter; + const gchar *header = link->data; + gtk_list_store_append (list_store, &iter); + gtk_list_store_set (list_store, &iter, 0, header, -1); + } + + g_list_free (list); + + if (path != NULL) { + gtk_tree_selection_select_path (selection, path); + if (!gtk_tree_selection_path_is_selected (selection, path)) + if (gtk_tree_path_prev (path)) + gtk_tree_selection_select_path (selection, path); + gtk_tree_path_free (path); + } +} + +static gboolean +mail_config_header_manager_add_header (EMailConfigHeaderManager *manager, + const gchar *header) +{ + gchar *stripped_header; + + if (!mail_config_header_manager_header_is_valid (header)) + return FALSE; + + stripped_header = g_strstrip (g_strdup (header)); + + g_hash_table_replace ( + manager->priv->headers, + stripped_header, stripped_header); + + g_object_notify (G_OBJECT (manager), "headers"); + + mail_config_header_manager_update_list (manager); + + return TRUE; +} + +static void +mail_config_header_manager_remove_selected (EMailConfigHeaderManager *manager) +{ + GtkTreeView *tree_view; + GtkTreeModel *tree_model; + GtkTreeSelection *selection; + GList *list, *link; + + tree_view = GTK_TREE_VIEW (manager->priv->tree_view); + selection = gtk_tree_view_get_selection (tree_view); + list = gtk_tree_selection_get_selected_rows (selection, &tree_model); + + for (link = list; link != NULL; link = g_list_next (link)) { + GtkTreePath *path = link->data; + GtkTreeIter iter; + gchar *header; + + gtk_tree_model_get_iter (tree_model, &iter, path); + gtk_tree_model_get (tree_model, &iter, 0, &header, -1); + g_hash_table_remove (manager->priv->headers, header); + } + + g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free); + + g_object_notify (G_OBJECT (manager), "headers"); + + mail_config_header_manager_update_list (manager); +} + +static void +mail_config_header_manager_entry_activate (GtkEntry *entry, + EMailConfigHeaderManager *manager) +{ + const gchar *header; + + header = gtk_entry_get_text (entry); + if (mail_config_header_manager_add_header (manager, header)) + gtk_entry_set_text (entry, ""); +} + +static gboolean +mail_config_header_manager_key_press_event (GtkTreeView *tree_view, + GdkEventKey *event, + EMailConfigHeaderManager *manager) +{ + if (event->keyval == GDK_KEY_Delete) { + mail_config_header_manager_remove_selected (manager); + return TRUE; + } + + return FALSE; +} + +static void +mail_config_header_manager_add_clicked (GtkButton *button, + EMailConfigHeaderManager *manager) +{ + GtkEntry *entry; + const gchar *header; + + entry = GTK_ENTRY (manager->priv->entry); + + header = gtk_entry_get_text (entry); + if (mail_config_header_manager_add_header (manager, header)) + gtk_entry_set_text (entry, ""); +} + +static void +mail_config_header_manager_remove_clicked (GtkButton *button, + EMailConfigHeaderManager *manager) +{ + mail_config_header_manager_remove_selected (manager); +} + +static void +mail_config_header_manager_selection_changed (GtkTreeSelection *selection, + EMailConfigHeaderManager *manager) +{ + gint n_rows; + + n_rows = gtk_tree_selection_count_selected_rows (selection); + gtk_widget_set_sensitive (manager->priv->remove_button, n_rows > 0); +} + +static void +mail_config_header_manager_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + switch (property_id) { + case PROP_HEADERS: + e_mail_config_header_manager_set_headers ( + E_MAIL_CONFIG_HEADER_MANAGER (object), + g_value_get_boxed (value)); + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +mail_config_header_manager_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + switch (property_id) { + case PROP_HEADERS: + g_value_take_boxed ( + value, + e_mail_config_header_manager_dup_headers ( + E_MAIL_CONFIG_HEADER_MANAGER (object))); + return; + } + + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); +} + +static void +mail_config_header_manager_finalize (GObject *object) +{ + EMailConfigHeaderManagerPrivate *priv; + + priv = E_MAIL_CONFIG_HEADER_MANAGER_GET_PRIVATE (object); + + g_hash_table_destroy (priv->headers); + + /* Chain up to parent's finalize() method. */ + G_OBJECT_CLASS (e_mail_config_header_manager_parent_class)-> + finalize (object); +} + +static void +mail_config_header_manager_constructed (GObject *object) +{ + EMailConfigHeaderManager *manager; + GtkTreeViewColumn *column; + GtkTreeSelection *selection; + GtkCellRenderer *renderer; + GtkListStore *list_store; + GtkWidget *widget; + GtkWidget *container; + + manager = E_MAIL_CONFIG_HEADER_MANAGER (object); + + /* Chain up to parent's constructed() method. */ + G_OBJECT_CLASS (e_mail_config_header_manager_parent_class)-> + constructed (object); + + gtk_grid_set_row_spacing (GTK_GRID (manager), 6); + gtk_grid_set_column_spacing (GTK_GRID (manager), 12); + + widget = gtk_entry_new (); + gtk_widget_set_hexpand (widget, TRUE); + gtk_grid_attach (GTK_GRID (manager), widget, 0, 0, 1, 1); + manager->priv->entry = widget; /* not referenced */ + gtk_widget_show (widget); + + widget = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy ( + GTK_SCROLLED_WINDOW (widget), + GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); + gtk_scrolled_window_set_shadow_type ( + GTK_SCROLLED_WINDOW (widget), GTK_SHADOW_IN); + gtk_widget_set_hexpand (widget, TRUE); + gtk_widget_set_vexpand (widget, TRUE); + gtk_grid_attach (GTK_GRID (manager), widget, 0, 1, 1, 1); + gtk_widget_show (widget); + + container = widget; + + list_store = gtk_list_store_new (1, G_TYPE_STRING); + widget = gtk_tree_view_new_with_model (GTK_TREE_MODEL (list_store)); + gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (widget), FALSE); + gtk_container_add (GTK_CONTAINER (container), widget); + manager->priv->tree_view = widget; /* not referenced */ + gtk_widget_show (widget); + g_object_unref (list_store); + + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget)); + gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE); + + widget = gtk_button_box_new (GTK_ORIENTATION_VERTICAL); + gtk_box_set_spacing (GTK_BOX (widget), 6); + gtk_button_box_set_layout ( + GTK_BUTTON_BOX (widget), GTK_BUTTONBOX_START); + gtk_grid_attach (GTK_GRID (manager), widget, 1, 0, 1, 2); + gtk_widget_show (widget); + + container = widget; + + widget = gtk_button_new_from_stock (GTK_STOCK_ADD); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + manager->priv->add_button = widget; /* not referenced */ + gtk_widget_show (widget); + + widget = gtk_button_new_from_stock (GTK_STOCK_REMOVE); + gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0); + manager->priv->remove_button = widget; /* not referenced */ + gtk_widget_show (widget); + + column = gtk_tree_view_column_new (); + gtk_tree_view_append_column ( + GTK_TREE_VIEW (manager->priv->tree_view), column); + + renderer = gtk_cell_renderer_text_new (); + gtk_tree_view_column_pack_start (column, renderer, TRUE); + gtk_cell_layout_add_attribute ( + GTK_CELL_LAYOUT (column), renderer, "text", 0); + + g_object_bind_property_full ( + manager->priv->entry, "text", + manager->priv->add_button, "sensitive", + G_BINDING_SYNC_CREATE, + mail_config_header_manager_header_to_boolean, + NULL, + NULL, (GDestroyNotify) NULL); + + g_signal_connect ( + manager->priv->entry, "activate", + G_CALLBACK (mail_config_header_manager_entry_activate), + manager); + + g_signal_connect ( + manager->priv->tree_view, "key-press-event", + G_CALLBACK (mail_config_header_manager_key_press_event), + manager); + + g_signal_connect ( + manager->priv->add_button, "clicked", + G_CALLBACK (mail_config_header_manager_add_clicked), + manager); + + g_signal_connect ( + manager->priv->remove_button, "clicked", + G_CALLBACK (mail_config_header_manager_remove_clicked), + manager); + + g_signal_connect ( + selection, "changed", + G_CALLBACK (mail_config_header_manager_selection_changed), + manager); + + mail_config_header_manager_selection_changed (selection, manager); +} + +static void +e_mail_config_header_manager_class_init (EMailConfigHeaderManagerClass *class) +{ + GObjectClass *object_class; + + g_type_class_add_private ( + class, sizeof (EMailConfigHeaderManagerPrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->set_property = mail_config_header_manager_set_property; + object_class->get_property = mail_config_header_manager_get_property; + object_class->finalize = mail_config_header_manager_finalize; + object_class->constructed = mail_config_header_manager_constructed; + + g_object_class_install_property ( + object_class, + PROP_HEADERS, + g_param_spec_boxed ( + "headers", + "Headers", + "Array of header names", + G_TYPE_STRV, + G_PARAM_READWRITE)); +} + +static void +e_mail_config_header_manager_class_finalize (EMailConfigHeaderManagerClass *class) +{ +} + +static void +e_mail_config_header_manager_init (EMailConfigHeaderManager *manager) +{ + manager->priv = E_MAIL_CONFIG_HEADER_MANAGER_GET_PRIVATE (manager); + + manager->priv->headers = g_hash_table_new_full ( + (GHashFunc) g_str_hash, + (GEqualFunc) g_str_equal, + (GDestroyNotify) g_free, + (GDestroyNotify) NULL); +} + +void +e_mail_config_header_manager_type_register (GTypeModule *type_module) +{ + /* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration + * function, so we have to wrap it with a public function in + * order to register types from a separate compilation unit. */ + e_mail_config_header_manager_register_type (type_module); +} + +GtkWidget * +e_mail_config_header_manager_new (void) +{ + return g_object_new (E_TYPE_MAIL_CONFIG_HEADER_MANAGER, NULL); +} + +gchar ** +e_mail_config_header_manager_dup_headers (EMailConfigHeaderManager *manager) +{ + GList *list, *link; + gchar **headers = NULL; + guint ii = 0; + + g_return_val_if_fail (E_IS_MAIL_CONFIG_HEADER_MANAGER (manager), NULL); + + list = g_hash_table_get_keys (manager->priv->headers); + list = g_list_sort (list, (GCompareFunc) g_utf8_collate); + + if (list != NULL) { + headers = g_new0 (gchar *, g_list_length (list) + 1); + for (link = list; link != NULL; link = g_list_next (link)) + headers[ii++] = g_strdup (link->data); + g_list_free (list); + } + + return headers; +} + +void +e_mail_config_header_manager_set_headers (EMailConfigHeaderManager *manager, + const gchar * const *headers) +{ + gint ii = 0; + + g_return_if_fail (E_IS_MAIL_CONFIG_HEADER_MANAGER (manager)); + + g_hash_table_remove_all (manager->priv->headers); + + while (headers != NULL && headers[ii] != NULL) { + gchar *stripped_header; + + stripped_header = g_strstrip (g_strdup (headers[ii++])); + + if (*stripped_header != '\0') + g_hash_table_insert ( + manager->priv->headers, + stripped_header, stripped_header); + else + g_free (stripped_header); + } + + g_object_notify (G_OBJECT (manager), "headers"); + + mail_config_header_manager_update_list (manager); +} + |