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/*
* This file is part of the popup menu implementation for <select> elements in WebCore.
*
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
* Copyright (C) 2008 Collabora Ltd.
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
* Copyright (C) 2010 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "PopupMenuGtk.h"
#include "FrameView.h"
#include <wtf/gobject/GOwnPtr.h>
#include "GtkUtilities.h"
#include "HostWindow.h"
#include <gtk/gtk.h>
#include <wtf/text/CString.h>
namespace WebCore {
static const uint32_t gSearchTimeoutMs = 1000;
PopupMenuGtk::PopupMenuGtk(PopupMenuClient* client)
: m_popupClient(client)
{
}
PopupMenuGtk::~PopupMenuGtk()
{
if (m_popup) {
g_signal_handlers_disconnect_matched(m_popup->platformMenu(), G_SIGNAL_MATCH_DATA, 0, 0, 0, 0, this);
hide();
}
}
GtkAction* PopupMenuGtk::createGtkActionForMenuItem(int itemIndex)
{
GOwnPtr<char> actionName(g_strdup_printf("popup-menu-action-%d", itemIndex));
GtkAction* action = gtk_action_new(actionName.get(), client()->itemText(itemIndex).utf8().data(), client()->itemToolTip(itemIndex).utf8().data(), 0);
g_object_set_data(G_OBJECT(action), "popup-menu-action-index", GINT_TO_POINTER(itemIndex));
g_signal_connect(action, "activate", G_CALLBACK(menuItemActivated), this);
// FIXME: Apply the PopupMenuStyle from client()->itemStyle(i)
gtk_action_set_visible(action, !client()->itemStyle(itemIndex).isDisplayNone());
gtk_action_set_sensitive(action, client()->itemIsEnabled(itemIndex));
return action;
}
void PopupMenuGtk::show(const IntRect& rect, FrameView* view, int index)
{
ASSERT(client());
if (!m_popup) {
m_popup = GtkPopupMenu::create();
g_signal_connect(m_popup->platformMenu(), "unmap", G_CALLBACK(PopupMenuGtk::menuUnmapped), this);
} else
m_popup->clear();
const int size = client()->listSize();
for (int i = 0; i < size; ++i) {
if (client()->itemIsSeparator(i))
m_popup->appendSeparator();
else {
GRefPtr<GtkAction> action = adoptGRef(createGtkActionForMenuItem(i));
m_popup->appendItem(action.get());
}
}
IntPoint menuPosition = convertWidgetPointToScreenPoint(GTK_WIDGET(view->hostWindow()->platformPageClient()), view->contentsToWindow(rect.location()));
menuPosition.move(0, rect.height());
m_popup->popUp(rect.size(), menuPosition, size, index, gtk_get_current_event());
// GTK can refuse to actually open the menu when mouse grabs fails.
// Ensure WebCore does not go into some pesky state.
if (!gtk_widget_get_visible(m_popup->platformMenu()))
client()->popupDidHide();
}
void PopupMenuGtk::hide()
{
ASSERT(m_popup);
m_popup->popDown();
}
void PopupMenuGtk::updateFromElement()
{
client()->setTextFromItem(client()->selectedIndex());
}
void PopupMenuGtk::disconnectClient()
{
m_popupClient = 0;
}
void PopupMenuGtk::menuItemActivated(GtkAction* action, PopupMenuGtk* that)
{
ASSERT(that->client());
that->client()->valueChanged(GPOINTER_TO_INT(g_object_get_data(G_OBJECT(action), "popup-menu-action-index")));
}
void PopupMenuGtk::menuUnmapped(GtkWidget*, PopupMenuGtk* that)
{
ASSERT(that->client());
that->client()->popupDidHide();
}
}
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