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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright © 2004 Christian Persch
* Copyright © 2005 Philip Langdale
*
* 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.
*
*/
#include "config.h"
#include "ephy-link-action.h"
#include "ephy-debug.h"
#include "ephy-gui.h"
#include "ephy-link.h"
#include <gtk/gtk.h>
G_DEFINE_TYPE_WITH_CODE (EphyLinkAction, ephy_link_action, GTK_TYPE_ACTION,
G_IMPLEMENT_INTERFACE (EPHY_TYPE_LINK,
NULL))
#define EPHY_LINK_ACTION_GET_PRIVATE(object) (G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_LINK_ACTION, EphyLinkActionPrivate))
struct _EphyLinkActionPrivate
{
guint button;
};
static gboolean
proxy_button_press_event_cb (GtkButton *button,
GdkEventButton *event,
EphyLinkAction *action)
{
action->priv->button = event->button;
return FALSE;
}
static GtkWidget *
get_event_widget (GtkWidget *proxy)
{
GtkWidget *widget;
/*
* Finding the interesting widget requires internal knowledge of
* the widgets in question. This can't be helped, but by keeping
* the sneaky code in one place, it can easily be updated.
*/
if (GTK_IS_MENU_ITEM (proxy))
{
/* Menu items already forward middle clicks */
widget = NULL;
}
else if (GTK_IS_TOOL_BUTTON (proxy))
{
/* The tool button's button is the direct child */
widget = gtk_bin_get_child (GTK_BIN (proxy));
}
else if (GTK_IS_BUTTON (proxy))
{
widget = proxy;
}
else
{
/* Don't touch anything we don't know about */
widget = NULL;
}
return widget;
}
static void
ephy_link_action_connect_proxy (GtkAction *action, GtkWidget *proxy)
{
GtkWidget *widget;
LOG ("Connect link action proxy");
widget = get_event_widget (proxy);
if (widget)
{
g_signal_connect (widget, "button-press-event",
G_CALLBACK (proxy_button_press_event_cb),
action);
}
GTK_ACTION_CLASS (ephy_link_action_parent_class)->connect_proxy (action, proxy);
}
static void
ephy_link_action_disconnect_proxy (GtkAction *action, GtkWidget *proxy)
{
GtkWidget *widget;
LOG ("Disconnect link action proxy");
widget = get_event_widget (proxy);
if (widget)
{
g_signal_handlers_disconnect_by_func (widget,
G_CALLBACK (proxy_button_press_event_cb),
action);
}
GTK_ACTION_CLASS (ephy_link_action_parent_class)->disconnect_proxy (action, proxy);
}
static void
ephy_link_action_init (EphyLinkAction *action)
{
action->priv = EPHY_LINK_ACTION_GET_PRIVATE (action);
}
static void
ephy_link_action_class_init (EphyLinkActionClass *class)
{
GtkActionClass *action_class = GTK_ACTION_CLASS (class);
action_class->connect_proxy = ephy_link_action_connect_proxy;
action_class->disconnect_proxy = ephy_link_action_disconnect_proxy;
g_type_class_add_private (G_OBJECT_CLASS (class), sizeof (EphyLinkActionPrivate));
}
/**
* ephy_link_action_get_button:
* @action: an #EphyLinkAction
*
* This method stores the mouse button number that last activated, or
* is activating, the @action. This is useful because #GtkButton's
* cannot be clicked with a middle click by default, so inside
* Epiphany we fake this by forwarding a left click (button 1) event
* instead of a middle click (button 2) to the button. That makes the
* EphyGUI methods like ephy_gui_is_middle_click not work here, so we
* need to ask the @action directly about the button that activated
* it.
*
* Returns: the button number that last activated (or is activating) the @action
**/
guint
ephy_link_action_get_button (EphyLinkAction *action)
{
g_return_val_if_fail (EPHY_IS_LINK_ACTION (action), 0);
return action->priv->button;
}
static void
ephy_link_action_group_class_init (EphyLinkActionGroupClass *klass)
{
/* Empty, needed for G_DEFINE_TYPE macro */
}
static void
ephy_link_action_group_init (EphyLinkActionGroup *action_group)
{
/* Empty, needed for G_DEFINE_TYPE macro */
}
G_DEFINE_TYPE_WITH_CODE (EphyLinkActionGroup, ephy_link_action_group, GTK_TYPE_ACTION_GROUP,
G_IMPLEMENT_INTERFACE (EPHY_TYPE_LINK,
NULL))
EphyLinkActionGroup *
ephy_link_action_group_new (const char * name)
{
return g_object_new (EPHY_TYPE_LINK_ACTION_GROUP,
"name", name,
NULL);
}
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