/*
* Copyright © 2002 Ricardo Fernández Pascual
* Copyright © 2003 Marco Pesenti Gritti
* Copyright © 2003 Christian Persch
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Id$
*/
#include "config.h"
#include "ephy-encoding-menu.h"
#include "ephy-encoding-dialog.h"
#include "ephy-encodings.h"
#include "ephy-embed.h"
#include "ephy-embed-shell.h"
#include "ephy-shell.h"
#include "ephy-debug.h"
#include <gtk/gtkaction.h>
#include <gtk/gtktoggleaction.h>
#include <gtk/gtkradioaction.h>
#include <gtk/gtkuimanager.h>
#include <glib/gi18n.h>
#include <string.h>
#define EPHY_ENCODING_MENU_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_ENCODING_MENU, EphyEncodingMenuPrivate))
struct _EphyEncodingMenuPrivate
{
EphyEncodings *encodings;
EphyWindow *window;
GtkUIManager *manager;
GtkActionGroup *action_group;
gboolean update_tag;
guint merge_id;
GSList *encodings_radio_group;
EphyEncodingDialog *dialog;
};
#define ENCODING_PLACEHOLDER_PATH "/menubar/ViewMenu/ViewEncodingMenu/ViewEncodingPlaceholder"
static void ephy_encoding_menu_class_init (EphyEncodingMenuClass *klass);
static void ephy_encoding_menu_init (EphyEncodingMenu *menu);
enum
{
PROP_0,
PROP_WINDOW
};
static GObjectClass *parent_class = NULL;
GType
ephy_encoding_menu_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0))
{
const GTypeInfo our_info =
{
sizeof (EphyEncodingMenuClass),
NULL,
NULL,
(GClassInitFunc) ephy_encoding_menu_class_init,
NULL,
NULL,
sizeof (EphyEncodingMenu),
0,
(GInstanceInitFunc) ephy_encoding_menu_init
};
type = g_type_register_static (G_TYPE_OBJECT,
"EphyEncodingMenu",
&our_info, 0);
}
return type;
}
static void
ephy_encoding_menu_init (EphyEncodingMenu *menu)
{
menu->priv = EPHY_ENCODING_MENU_GET_PRIVATE (menu);
menu->priv->encodings =
EPHY_ENCODINGS (ephy_embed_shell_get_encodings
(EPHY_EMBED_SHELL (ephy_shell)));
}
static int
sort_encodings (gconstpointer a, gconstpointer b)
{
EphyNode *node1 = (EphyNode *) a;
EphyNode *node2 = (EphyNode *) b;
const char *key1, *key2;
key1 = ephy_node_get_property_string
(node1, EPHY_NODE_ENCODING_PROP_COLLATION_KEY);
key2 = ephy_node_get_property_string
(node2, EPHY_NODE_ENCODING_PROP_COLLATION_KEY);
return strcmp (key1, key2);
}
static void
add_menu_item (EphyNode *node, EphyEncodingMenu *menu)
{
const char *code;
char action[128], name[128];
code = ephy_node_get_property_string
(node, EPHY_NODE_ENCODING_PROP_ENCODING);
g_snprintf (action, sizeof (action), "Encoding%s", code);
g_snprintf (name, sizeof (name), "%sItem", action);
gtk_ui_manager_add_ui (menu->priv->manager, menu->priv->merge_id,
ENCODING_PLACEHOLDER_PATH,
name, action,
GTK_UI_MANAGER_MENUITEM, FALSE);
}
static void
update_encoding_menu_cb (GtkAction *dummy, EphyEncodingMenu *menu)
{
EphyEncodingMenuPrivate *p = menu->priv;
EphyEmbed *embed;
GtkAction *action;
char name[128];
char *encoding;
EphyNode *enc_node;
GList *recent, *related = NULL, *l;
EphyLanguageGroup groups;
gboolean is_automatic;
START_PROFILER ("Rebuilding encoding menu")
/* FIXME: block the "activate" signal on the actions instead; needs to
* wait until g_signal_handlers_block_matched supports blocking
* by signal id alone.
*/
menu->priv->update_tag = TRUE;
/* get most recently used encodings */
recent = ephy_encodings_get_recent (p->encodings);
embed = ephy_window_get_active_tab (p->window);
encoding = ephy_embed_get_encoding (embed);
if (encoding == NULL) goto build_menu;
enc_node = ephy_encodings_get_node (p->encodings, encoding, TRUE);
g_assert (EPHY_IS_NODE (enc_node));
/* check if encoding was overridden */
is_automatic = ephy_embed_has_automatic_encoding (embed);
action = gtk_action_group_get_action (p->action_group,
"ViewEncodingAutomatic");
gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), is_automatic);
gtk_action_set_sensitive (action, !is_automatic);
/* set the encodings group's active member */
g_snprintf (name, sizeof (name), "Encoding%s", encoding);
action = gtk_action_group_get_action (p->action_group, name);
gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
/* get encodings related to the current encoding */
groups = ephy_node_get_property_int
(enc_node, EPHY_NODE_ENCODING_PROP_LANGUAGE_GROUPS);
related = ephy_encodings_get_encodings (p->encodings, groups);
related = g_list_sort (related, (GCompareFunc) sort_encodings);
/* add the current encoding to the list of
* things to display, making sure we don't add it more than once
*/
if (g_list_find (related, enc_node) == NULL
&& g_list_find (recent, enc_node) == NULL)
{
related = g_list_prepend (related, enc_node);
}
/* make sure related and recent are disjoint so we don't display twice */
for (l = related; l != NULL; l = l->next)
{
recent = g_list_remove (recent, l->data);
}
recent = g_list_sort (recent, (GCompareFunc) sort_encodings);
build_menu:
/* clear the menu */
if (p->merge_id > 0)
{
gtk_ui_manager_remove_ui (p->manager, p->merge_id);
gtk_ui_manager_ensure_update (p->manager);
}
/* build the new menu */
p->merge_id = gtk_ui_manager_new_merge_id (p->manager);
gtk_ui_manager_add_ui (p->manager, p->merge_id,
ENCODING_PLACEHOLDER_PATH,
"ViewEncodingAutomaticItem",
"ViewEncodingAutomatic",
GTK_UI_MANAGER_MENUITEM, FALSE);
gtk_ui_manager_add_ui (p->manager, p->merge_id,
ENCODING_PLACEHOLDER_PATH,
"Sep1Item", "Sep1",
GTK_UI_MANAGER_SEPARATOR, FALSE);
g_list_foreach (recent, (GFunc) add_menu_item, menu);
gtk_ui_manager_add_ui (p->manager, p->merge_id,
ENCODING_PLACEHOLDER_PATH,
"Sep2Item", "Sep2",
GTK_UI_MANAGER_SEPARATOR, FALSE);
g_list_foreach (related, (GFunc) add_menu_item, menu);
gtk_ui_manager_add_ui (p->manager, p->merge_id,
ENCODING_PLACEHOLDER_PATH,
"Sep3Item", "Sep3",
GTK_UI_MANAGER_SEPARATOR, FALSE);
gtk_ui_manager_add_ui (p->manager, p->merge_id,
ENCODING_PLACEHOLDER_PATH,
"ViewEncodingOtherItem",
"ViewEncodingOther",
GTK_UI_MANAGER_MENUITEM, FALSE);
/* cleanup */
g_list_free (related);
g_list_free (recent);
g_free (encoding);
menu->priv->update_tag = FALSE;
STOP_PROFILER ("Rebuilding encoding menu")
}
static void
encoding_activate_cb (GtkAction *action, EphyEncodingMenu *menu)
{
EphyEmbed *embed;
const char *name, *encoding;
if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)) == FALSE
|| menu->priv->update_tag)
{
return;
}
name = gtk_action_get_name (GTK_ACTION (action));
encoding = name + strlen("Encoding");
embed = ephy_window_get_active_tab (menu->priv->window);
ephy_embed_set_encoding (embed, encoding);
ephy_encodings_add_recent (menu->priv->encodings, encoding);
}
static void
add_action (EphyNode *encodings, EphyNode *node, EphyEncodingMenu *menu)
{
GtkAction *action;
char name[128];
const char *encoding, *title;
encoding = ephy_node_get_property_string
(node, EPHY_NODE_ENCODING_PROP_ENCODING);
title = ephy_node_get_property_string
(node, EPHY_NODE_ENCODING_PROP_TITLE);
LOG ("add_action for encoding '%s'", encoding);
g_snprintf (name, sizeof (name), "Encoding%s", encoding);
action = g_object_new (GTK_TYPE_RADIO_ACTION,
"name", name,
"label", title,
NULL);
gtk_radio_action_set_group (GTK_RADIO_ACTION (action),
menu->priv->encodings_radio_group);
menu->priv->encodings_radio_group = gtk_radio_action_get_group
(GTK_RADIO_ACTION (action));
g_signal_connect (action, "activate",
G_CALLBACK (encoding_activate_cb),
menu);
gtk_action_group_add_action_with_accel
(menu->priv->action_group, action, NULL);
g_object_unref (action);
}
static void
ephy_encoding_menu_view_dialog_cb (GtkAction *action, EphyEncodingMenu *menu)
{
if (menu->priv->dialog == NULL)
{
EphyEncodingDialog **dialog = &menu->priv->dialog;
menu->priv->dialog = ephy_encoding_dialog_new
(menu->priv->window);
g_object_add_weak_pointer(G_OBJECT (menu->priv->dialog),
(gpointer *)dialog);
}
ephy_dialog_show (EPHY_DIALOG (menu->priv->dialog));
}
static void
ephy_encoding_menu_automatic_cb (GtkAction *action, EphyEncodingMenu *menu)
{
EphyEmbed *embed;
if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)) == FALSE
|| menu->priv->update_tag)
{
return;
}
embed = ephy_window_get_active_tab (menu->priv->window);
/* setting "" will clear the forced encoding */
ephy_embed_set_encoding (embed, "");
}
static const GtkActionEntry menu_entries [] =
{
{ "ViewEncodingOther", NULL, N_("_Other…"), NULL,
N_("Other encodings"),
G_CALLBACK (ephy_encoding_menu_view_dialog_cb) }
};
static const GtkToggleActionEntry toggle_menu_entries [] =
{
{ "ViewEncodingAutomatic", NULL, N_("_Automatic"), NULL,
N_("Use the encoding specified by the document"),
G_CALLBACK (ephy_encoding_menu_automatic_cb), FALSE }
};
static void
ephy_encoding_menu_set_window (EphyEncodingMenu *menu, EphyWindow *window)
{
GtkActionGroup *action_group;
GtkAction *action;
EphyNode *encodings;
GPtrArray *children;
int i;
g_return_if_fail (EPHY_IS_WINDOW (window));
menu->priv->window = window;
menu->priv->manager = GTK_UI_MANAGER (ephy_window_get_ui_manager (window));
action_group = gtk_action_group_new ("EncodingActions");
gtk_action_group_set_translation_domain (action_group, NULL);
menu->priv->action_group = action_group;
gtk_action_group_add_actions (action_group, menu_entries,
G_N_ELEMENTS (menu_entries), menu);
gtk_action_group_add_toggle_actions (action_group, toggle_menu_entries,
G_N_ELEMENTS (toggle_menu_entries), menu);
/* add actions for the existing encodings */
encodings = ephy_encodings_get_all (menu->priv->encodings);
children = ephy_node_get_children (encodings);
for (i = 0; i < children->len; i++)
{
EphyNode *encoding;
encoding = (EphyNode *) g_ptr_array_index (children, i);
add_action (encodings, encoding, menu);
}
/* when we encounter an unknown encoding, it is added to the database,
* so we need to listen to child_added on the encodings node to
* add an action for it
*/
ephy_node_signal_connect_object (encodings,
EPHY_NODE_CHILD_ADDED,
(EphyNodeCallback) add_action,
G_OBJECT (menu));
gtk_ui_manager_insert_action_group (menu->priv->manager,
action_group, 0);
g_object_unref (action_group);
action = gtk_ui_manager_get_action (menu->priv->manager,
"/menubar/ViewMenu");
g_signal_connect_object (action, "activate",
G_CALLBACK (update_encoding_menu_cb),
menu, 0);
}
static void
ephy_encoding_menu_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EphyEncodingMenu *menu = EPHY_ENCODING_MENU (object);
switch (prop_id)
{
case PROP_WINDOW:
ephy_encoding_menu_set_window (menu, g_value_get_object (value));
break;
}
}
static void
ephy_encoding_menu_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
EphyEncodingMenu *menu = EPHY_ENCODING_MENU (object);
switch (prop_id)
{
case PROP_WINDOW:
g_value_set_object (value, menu->priv->window);
break;
}
}
static void
ephy_encoding_menu_finalize (GObject *object)
{
EphyEncodingMenu *menu = EPHY_ENCODING_MENU (object);
if (menu->priv->dialog)
{
g_object_unref (menu->priv->dialog);
}
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
ephy_encoding_menu_class_init (EphyEncodingMenuClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = ephy_encoding_menu_finalize;
object_class->set_property = ephy_encoding_menu_set_property;
object_class->get_property = ephy_encoding_menu_get_property;
g_object_class_install_property (object_class,
PROP_WINDOW,
g_param_spec_object ("window",
"Window",
"Parent window",
EPHY_TYPE_WINDOW,
G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB |
G_PARAM_CONSTRUCT_ONLY));
g_type_class_add_private (object_class, sizeof(EphyEncodingMenuPrivate));
}
EphyEncodingMenu *
ephy_encoding_menu_new (EphyWindow *window)
{
return g_object_new (EPHY_TYPE_ENCODING_MENU,
"window", window,
NULL);
}