/*
* Copyright (C) 2002 Ricardo Fernández Pascual
* Copyright (C) 2003 Marco Pesenti Gritti
* Copyright (C) 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ephy-encoding-menu.h"
#include "ephy-string.h"
#include "ephy-shell.h"
#include "ephy-debug.h"
#include <bonobo/bonobo-i18n.h>
#include <gtk/gtkaction.h>
#include <gtk/gtktoggleaction.h>
#include <gtk/gtkradioaction.h>
#include <gtk/gtkuimanager.h>
#include <string.h>
#define EPHY_ENCODING_MENU_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_ENCODING_MENU, EphyEncodingMenuPrivate))
struct _EphyEncodingMenuPrivate
{
EphyWindow *window;
GtkUIManager *manager;
GtkActionGroup *action_group;
gboolean update_tag;
guint merge_id;
};
#define ENCODING_PLACEHOLDER_PATH "/menubar/ViewMenu/ViewEncodingsPlaceholder"
#define ENCODING_MENU_PATH "/menubar/ViewMenu/ViewEncodingsPlaceholder/ViewEncodingMenu"
static void ephy_encoding_menu_class_init (EphyEncodingMenuClass *klass);
static void ephy_encoding_menu_init (EphyEncodingMenu *menu);
static void ephy_encoding_menu_rebuild (EphyEncodingMenu *menu);
enum
{
PROP_0,
PROP_WINDOW
};
static GObjectClass *parent_class = NULL;
GType
ephy_encoding_menu_get_type (void)
{
static GType ephy_encoding_menu_type = 0;
if (ephy_encoding_menu_type == 0)
{
static const GTypeInfo our_info =
{
sizeof (EphyEncodingMenuClass),
NULL,
NULL,
(GClassInitFunc) ephy_encoding_menu_class_init,
NULL,
NULL,
sizeof (EphyEncodingMenu),
0,
(GInstanceInitFunc) ephy_encoding_menu_init
};
ephy_encoding_menu_type = g_type_register_static (G_TYPE_OBJECT,
"EphyEncodingMenu",
&our_info, 0);
}
return ephy_encoding_menu_type;
}
static void
ephy_encoding_menu_verb_cb (GtkAction *action,
EphyEncodingMenu *menu)
{
EphyEmbed *embed;
const char *encoding;
const char *action_name;
/* do nothing if this action was _de_activated, or if we're updating
* the menu, i.e. setting the active encoding from the document
*/
if (gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)) == FALSE
|| menu->priv->update_tag)
{
return;
}
embed = ephy_window_get_active_embed (menu->priv->window);
g_return_if_fail (embed != NULL);
action_name = gtk_action_get_name (action);
if (strncmp (action_name, "Encoding", 8) == 0)
{
encoding = action_name + 8;
LOG ("Switching to encoding %s", encoding)
ephy_embed_set_encoding (embed, encoding);
}
}
static void
ephy_encoding_menu_init (EphyEncodingMenu *menu)
{
menu->priv = EPHY_ENCODING_MENU_GET_PRIVATE (menu);
menu->priv->update_tag = FALSE;
menu->priv->action_group = NULL;
menu->priv->merge_id = 0;
}
static void
update_encoding_menu_cb (GtkAction *dummy, EphyEncodingMenu *menu)
{
EphyEmbed *embed;
GtkAction *action = NULL;
char *encoding;
embed = ephy_window_get_active_embed (menu->priv->window);
g_return_if_fail (embed != NULL);
ephy_embed_get_encoding (embed, &encoding);
if (encoding != NULL)
{
char name[32];
g_snprintf (name, 32, "Encoding%s", encoding);
action = gtk_action_group_get_action (menu->priv->action_group,
name);
}
if (action != NULL)
{
/* FIXME: block the "activate" signal instead; needs to wait
* until g_signal_handlers_block_matched supports blocking
* by signal id alone.
*/
menu->priv->update_tag = TRUE;
gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), TRUE);
menu->priv->update_tag = FALSE;
}
else
{
g_warning ("Could not find action for encoding '%s'!\n", encoding);
}
g_free (encoding);
}
static void
ephy_encoding_menu_set_window (EphyEncodingMenu *menu, EphyWindow *window)
{
EphyEmbedSingle *single;
GtkActionGroup *action_group;
GtkAction *action;
GList *encodings, *groups, *l;
GSList *radio_group = NULL;
g_return_if_fail (EPHY_IS_WINDOW (window));
menu->priv->window = window;
menu->priv->manager = GTK_UI_MANAGER (window->ui_merge);
action_group = gtk_action_group_new ("EncodingActions");
menu->priv->action_group = action_group;
single = ephy_embed_shell_get_embed_single (EPHY_EMBED_SHELL (ephy_shell));
g_return_if_fail (single != NULL);
ephy_embed_single_get_encodings (single, LG_ALL, FALSE, &encodings);
for (l = encodings; l != NULL; l = l->next)
{
const EncodingInfo *info = (EncodingInfo *) l->data;
char name[32];
g_snprintf (name, 32, "Encoding%s", info->encoding);
action = g_object_new (GTK_TYPE_RADIO_ACTION,
"name", name,
"label", info->title,
NULL);
gtk_radio_action_set_group (GTK_RADIO_ACTION (action), radio_group);
radio_group = gtk_radio_action_get_group (GTK_RADIO_ACTION (action));
g_signal_connect (action, "activate",
G_CALLBACK (ephy_encoding_menu_verb_cb),
menu);
gtk_action_group_add_action (menu->priv->action_group, action);
g_object_unref (action);
}
g_list_foreach (encodings, (GFunc) encoding_info_free, NULL);
g_list_free (encodings);
ephy_embed_single_get_language_groups (single, &groups);
for (l = groups; l != NULL; l = l->next)
{
const LanguageGroupInfo *info = (LanguageGroupInfo *) l->data;
char name[32];
g_snprintf (name, 32, "EncodingGroup%d", info->group);
action = g_object_new (GTK_TYPE_ACTION,
"name", name,
"label", info->title,
NULL);
gtk_action_group_add_action (menu->priv->action_group, action);
g_object_unref (action);
}
g_list_foreach (groups, (GFunc) language_group_info_free, NULL);
g_list_free (groups);
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");
if (action != NULL)
{
g_signal_connect_object (action, "activate",
G_CALLBACK (update_encoding_menu_cb),
menu, 0);
}
ephy_encoding_menu_rebuild (menu);
}
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_class_init (EphyEncodingMenuClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
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_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);
}
static void
ephy_encoding_menu_rebuild (EphyEncodingMenu *menu)
{
EphyEmbedSingle *single;
EphyEncodingMenuPrivate *p = menu->priv;
GList *encodings, *groups, *l;
single = ephy_embed_shell_get_embed_single (EPHY_EMBED_SHELL (ephy_shell));
ephy_embed_single_get_language_groups (single, &groups);
if (p->merge_id > 0)
{
gtk_ui_manager_remove_ui (p->manager, p->merge_id);
gtk_ui_manager_ensure_update (p->manager);
}
p->merge_id = gtk_ui_manager_new_merge_id (p->manager);
gtk_ui_manager_add_ui (p->manager, p->merge_id, ENCODING_PLACEHOLDER_PATH,
"ViewEncodingMenu", "ViewEncoding",
GTK_UI_MANAGER_MENU, FALSE);
for (l = groups; l != NULL; l = l->next)
{
const LanguageGroupInfo *info = (LanguageGroupInfo *) l->data;
char name[32], action[36], path[128];
GList *enc;
g_snprintf (action, 32, "EncodingGroup%d", info->group);
g_snprintf (name, 36, "%sMenu", action);
g_snprintf (path, 128, "%s/%s", ENCODING_MENU_PATH, name);
gtk_ui_manager_add_ui (p->manager, p->merge_id,
ENCODING_MENU_PATH,
name, action,
GTK_UI_MANAGER_MENU, FALSE);
ephy_embed_single_get_encodings (single, info->group,
FALSE, &encodings);
for (enc = encodings; enc != NULL; enc = enc->next)
{
const EncodingInfo *info = (EncodingInfo *) enc->data;
g_snprintf (action, 32, "Encoding%s", info->encoding);
g_snprintf (name, 36, "%sItem", action);
gtk_ui_manager_add_ui (p->manager, p->merge_id, path,
name, action,
GTK_UI_MANAGER_MENUITEM, FALSE);
}
g_list_foreach (encodings, (GFunc) encoding_info_free, NULL);
g_list_free (encodings);
}
g_list_foreach (groups, (GFunc) language_group_info_free, NULL);
g_list_free (groups);
}