/*
* 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);
}
