#include "e-signature-combo-box.h"
#include <glib/gi18n.h>
#define E_SIGNATURE_COMBO_BOX_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_SIGNATURE_COMBO_BOX, ESignatureComboBoxPrivate))
enum {
COLUMN_STRING,
COLUMN_SIGNATURE
};
enum {
REFRESHED,
LAST_SIGNAL
};
struct _ESignatureComboBoxPrivate {
ESignatureList *signature_list;
GHashTable *index;
};
static gpointer parent_class;
static guint signal_ids[LAST_SIGNAL];
static void
signature_combo_box_refresh_cb (ESignatureList *signature_list,
ESignature *unused,
ESignatureComboBox *combo_box)
{
GtkListStore *store;
GtkTreeModel *model;
GtkTreeIter tree_iter;
EIterator *signature_iter;
ESignature *signature;
GHashTable *index;
GList *list = NULL;
GList *iter;
store = gtk_list_store_new (2, G_TYPE_STRING, E_TYPE_SIGNATURE);
model = GTK_TREE_MODEL (store);
index = combo_box->priv->index;
g_hash_table_remove_all (index);
gtk_list_store_append (store, &tree_iter);
gtk_list_store_set (
store, &tree_iter,
COLUMN_STRING, _("None"),
COLUMN_SIGNATURE, NULL, -1);
if (signature_list == NULL)
goto skip;
/* Build a list of ESignatures to display. */
signature_iter = e_list_get_iterator (E_LIST (signature_list));
while (e_iterator_is_valid (signature_iter)) {
/* XXX EIterator misuses const. */
signature = (ESignature *) e_iterator_get (signature_iter);
list = g_list_prepend (list, signature);
e_iterator_next (signature_iter);
}
g_object_unref (signature_iter);
list = g_list_reverse (list);
/* Populate the list store and index. */
for (iter = list; iter != NULL; iter = iter->next) {
GtkTreeRowReference *reference;
GtkTreePath *path;
const gchar *string;
signature = iter->data;
if (signature->autogen)
string = _("Autogenerated");
else
string = signature->name;
gtk_list_store_append (store, &tree_iter);
gtk_list_store_set (
store, &tree_iter,
COLUMN_STRING, string,
COLUMN_SIGNATURE, signature, -1);
path = gtk_tree_model_get_path (model, &tree_iter);
reference = gtk_tree_row_reference_new (model, path);
g_hash_table_insert (index, signature, reference);
gtk_tree_path_free (path);
}
skip:
/* Restore the previously selected signature. */
signature = e_signature_combo_box_get_active (combo_box);
if (signature != NULL)
g_object_ref (signature);
gtk_combo_box_set_model (GTK_COMBO_BOX (combo_box), model);
e_signature_combo_box_set_active (combo_box, signature);
if (signature != NULL)
g_object_unref (signature);
g_signal_emit (combo_box, signal_ids[REFRESHED], 0);
}
static GObject *
signature_combo_box_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GObject *object;
GtkCellRenderer *renderer;
/* Chain up to parent's constructor() method. */
object = G_OBJECT_CLASS (parent_class)->constructor (
type, n_construct_properties, construct_properties);
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (
GTK_CELL_LAYOUT (object), renderer, TRUE);
gtk_cell_layout_add_attribute (
GTK_CELL_LAYOUT (object), renderer, "text", COLUMN_STRING);
e_signature_combo_box_set_signature_list (
E_SIGNATURE_COMBO_BOX (object), NULL);
return object;
}
static void
signature_combo_box_dispose (GObject *object)
{
ESignatureComboBoxPrivate *priv;
priv = E_SIGNATURE_COMBO_BOX_GET_PRIVATE (object);
if (priv->signature_list != NULL) {
g_signal_handlers_disconnect_by_func (
priv->signature_list,
signature_combo_box_refresh_cb, object);
g_object_unref (priv->signature_list);
priv->signature_list = NULL;
}
g_hash_table_remove_all (priv->index);
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
signature_combo_box_finalize (GObject *object)
{
ESignatureComboBoxPrivate *priv;
priv = E_SIGNATURE_COMBO_BOX_GET_PRIVATE (object);
g_hash_table_destroy (priv->index);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
signature_combo_box_class_init (ESignatureComboBoxClass *class)
{
GObjectClass *object_class;
parent_class = g_type_class_peek_parent (class);
g_type_class_add_private (class, sizeof (ESignatureComboBoxPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->constructor = signature_combo_box_constructor;
object_class->dispose = signature_combo_box_dispose;
object_class->finalize = signature_combo_box_finalize;
signal_ids[REFRESHED] = g_signal_new (
"refreshed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
0, NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
static void
signature_combo_box_init (ESignatureComboBox *combo_box)
{
GHashTable *index;
/* Reverse-lookup index */
index = g_hash_table_new_full (
g_direct_hash, g_direct_equal,
(GDestroyNotify) g_object_unref,
(GDestroyNotify) gtk_tree_row_reference_free);
combo_box->priv = E_SIGNATURE_COMBO_BOX_GET_PRIVATE (combo_box);
combo_box->priv->index = index;
}
GType
e_signature_combo_box_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0)) {
static const GTypeInfo type_info = {
sizeof (ESignatureComboBoxClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) signature_combo_box_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class_data */
sizeof (ESignatureComboBox),
0, /* n_preallocs */
(GInstanceInitFunc) signature_combo_box_init,
NULL /* value_table */
};
type = g_type_register_static (
GTK_TYPE_COMBO_BOX, "ESignatureComboBox",
&type_info, 0);
}
return type;
}
GtkWidget *
e_signature_combo_box_new (void)
{
return g_object_new (E_TYPE_SIGNATURE_COMBO_BOX, NULL);
}
void
e_signature_combo_box_set_signature_list (ESignatureComboBox *combo_box,
ESignatureList *signature_list)
{
ESignatureComboBoxPrivate *priv;
g_return_if_fail (E_IS_SIGNATURE_COMBO_BOX (combo_box));
if (signature_list != NULL)
g_return_if_fail (E_IS_SIGNATURE_LIST (signature_list));
priv = E_SIGNATURE_COMBO_BOX_GET_PRIVATE (combo_box);
if (priv->signature_list != NULL) {
g_signal_handlers_disconnect_by_func (
priv->signature_list,
signature_combo_box_refresh_cb, combo_box);
g_object_unref (priv->signature_list);
priv->signature_list = NULL;
}
if (signature_list != NULL) {
priv->signature_list = g_object_ref (signature_list);
/* Listen for changes to the signature list. */
g_signal_connect (
priv->signature_list, "signature-added",
G_CALLBACK (signature_combo_box_refresh_cb),
combo_box);
g_signal_connect (
priv->signature_list, "signature-changed",
G_CALLBACK (signature_combo_box_refresh_cb),
combo_box);
g_signal_connect (
priv->signature_list, "signature-removed",
G_CALLBACK (signature_combo_box_refresh_cb),
combo_box);
}
signature_combo_box_refresh_cb (signature_list, NULL, combo_box);
}
ESignature *
e_signature_combo_box_get_active (ESignatureComboBox *combo_box)
{
ESignature *signature;
GtkTreeModel *model;
GtkTreeIter iter;
gboolean iter_set;
g_return_val_if_fail (E_IS_SIGNATURE_COMBO_BOX (combo_box), NULL);
iter_set = gtk_combo_box_get_active_iter (
GTK_COMBO_BOX (combo_box), &iter);
if (!iter_set)
return NULL;
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
gtk_tree_model_get (model, &iter, COLUMN_SIGNATURE, &signature, -1);
return signature;
}
gboolean
e_signature_combo_box_set_active (ESignatureComboBox *combo_box,
ESignature *signature)
{
GtkTreeRowReference *reference;
GtkTreeModel *model;
GtkTreePath *path;
GtkTreeIter iter;
gboolean iter_set;
g_return_val_if_fail (E_IS_SIGNATURE_COMBO_BOX (combo_box), FALSE);
if (signature != NULL)
g_return_val_if_fail (E_IS_SIGNATURE (signature), FALSE);
/* NULL means select "None" (always the first item). */
if (signature == NULL) {
gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), 0);
return TRUE;
}
/* Lookup the tree row reference for the signature. */
reference = g_hash_table_lookup (combo_box->priv->index, signature);
if (reference == NULL)
return FALSE;
/* Convert the reference to a tree iterator. */
path = gtk_tree_row_reference_get_path (reference);
model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box));
iter_set = gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_path_free (path);
if (!iter_set)
return FALSE;
/* Activate the corresponding combo box item. */
gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_box), &iter);
return TRUE;
}
