kwqradiobutton.cpp

最新Nokia手机浏览器全套源代码完美版。

/*
 * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
 * Portions Copyright (c) 2005 Nokia Corporation, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "KWQRadioButton.h"

#include "WebCoreBridge.h"
#include "WebCoreFormControlFactory.h"


QRadioButton::QRadioButton(QWidget *w)
  : m_stateChanged(this, SIGNAL(stateChanged(int)))
{
  m_radioWidget = TWebCoreFormControlFactory::Factory()->ConstructRadioButton();
  if(m_radioWidget)
  {
    m_radioWidget->SetEventHandler(this);
    setView(m_radioWidget);
  }
}

QRadioButton::~QRadioButton()
{
  if(m_radioWidget)
  {
    m_radioWidget->Close();
  }
}

QSize QRadioButton::sizeHint() const
{
  if(m_radioWidget)
  {
    TSize size = m_radioWidget->SizeHint();
    return QSize(size);
  }
  return QSize(0,0);
}

QRect QRadioButton::frameGeometry() const
{
  if(m_radioWidget)
  {
    return QRect(m_radioWidget->Rect());
  }
  return QRect();
}

void QRadioButton::setFrameGeometry(const QRect &r)
{
  if(m_radioWidget)
  {
    m_radioWidget->SetRect(r.Rect());
  }
}

void QRadioButton::setChecked(bool aChecked)
{
  if(m_radioWidget)
  {
    m_radioWidget->SetChecked(aChecked);
  }
}

bool QRadioButton::isChecked() const
{
  if(m_radioWidget)
  {
    return m_radioWidget->IsChecked();
  }
  return false;
}

void QRadioButton::click(bool sendMouseEvents)
  {
  clicked();
  }


void QRadioButton::clicked()
{
    // Note that it's important to give the stateChanged signal before
    // the clicked signal so that the corresponding JavaScript messages
    // go in the right order. A test for this at the time of this writing
    // was the languages radio buttons and check boxes at google.com prefs.
    //Call state changed only when the state is actually changing
    if(!isChecked())
       m_stateChanged.call(2);
    QButton::clicked();
}

int QRadioButton::baselinePosition(int height) const
{
  return height;
}

void QRadioButton::HandleEvent(TEvent aEvent)
{
  clicked();
}

void QRadioButton::paint(QPainter *aPainter, const QRect &aRect)
{
  TRect rect = aRect.Rect();
  if(m_radioWidget)
  {
    m_radioWidget->Draw(aPainter->Gc(), rect);
  }
}