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/*
* This file is part of the popup menu implementation for <select> elements in WebCore.
*
* Copyright (C) 2008 Apple Computer, Inc.
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
*
* 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 "PopupMenuWx.h"
#include "Frame.h"
#include "FrameView.h"
#include "PopupMenuClient.h"
#include "PlatformString.h"
#include <wx/defs.h>
#if __WXMSW__
#include <wx/msw/winundef.h>
#endif
#include <wx/event.h>
#include <wx/menu.h>
static int s_menuStartId = wxNewId();
namespace WebCore {
class PopupMenuEventHandler : public wxEvtHandler
{
public:
PopupMenuEventHandler(PopupMenuClient* client) :
m_client(client)
{}
void OnMenuItemSelected(wxCommandEvent& event)
{
if (m_client) {
m_client->valueChanged(event.GetId() - s_menuStartId);
m_client->popupDidHide();
}
// TODO: Do we need to call Disconnect here? Do we have a ref to the native window still?
}
private:
PopupMenuClient* m_client;
};
PopupMenuWx::PopupMenuWx(PopupMenuClient* client)
: m_popupClient(client)
, m_menu(0)
{
PopupMenuEventHandler m_popupHandler(client);
}
PopupMenuWx::~PopupMenuWx()
{
delete m_menu;
}
void PopupMenuWx::disconnectClient()
{
m_popupClient = 0;
}
void PopupMenuWx::show(const IntRect& r, FrameView* v, int index)
{
// just delete and recreate
delete m_menu;
ASSERT(client());
wxWindow* nativeWin = v->platformWidget();
if (nativeWin) {
// construct the menu
m_menu = new wxMenu();
int size = client()->listSize();
for (int i = 0; i < size; i++) {
int id = s_menuStartId + i;
if (client()->itemIsSeparator(i)) {
m_menu->AppendSeparator();
}
else {
// FIXME: appending a menu item with an empty label asserts in
// wx. This needs to be fixed at wx level so that we can have
// the concept of "no selection" in choice boxes, etc.
if (!client()->itemText(i).isEmpty())
m_menu->Append(s_menuStartId + i, client()->itemText(i));
}
}
nativeWin->Connect(s_menuStartId, s_menuStartId + (size-1), wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(PopupMenuEventHandler::OnMenuItemSelected), 0, m_popupHandler);
nativeWin->PopupMenu(m_menu, r.x() - v->scrollX(), r.y() - v->scrollY());
nativeWin->Disconnect(s_menuStartId, s_menuStartId + (size-1), wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(PopupMenuEventHandler::OnMenuItemSelected), 0, m_popupHandler);
}
}
void PopupMenuWx::hide()
{
// we don't need to do anything here, the native control only exists during the time
// show is called
}
void PopupMenuWx::updateFromElement()
{
client()->setTextFromItem(m_popupClient->selectedIndex());
}
}
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