/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef URLLINEEDIT_H
#define URLLINEEDIT_H

#include <QtCore/QUrl>
#include <QtGui/QWidget>
#include <QtGui/QStyleOptionFrame>

QT_BEGIN_NAMESPACE
class QLineEdit;
QT_END_NAMESPACE

class ClearButton;
class ExLineEdit : public QWidget
{
    Q_OBJECT

public:
    ExLineEdit(QWidget *parent = 0);

    inline QLineEdit *lineEdit() const { return m_lineEdit; }

    void setLeftWidget(QWidget *widget);
    QWidget *leftWidget() const;

    QSize sizeHint() const;

    QVariant inputMethodQuery(Qt::InputMethodQuery property) const;
protected:
    void focusInEvent(QFocusEvent *event);
    void focusOutEvent(QFocusEvent *event);
    void keyPressEvent(QKeyEvent *event);
    void paintEvent(QPaintEvent *event);
    void resizeEvent(QResizeEvent *event);
    void inputMethodEvent(QInputMethodEvent *e);
    bool event(QEvent *event);

protected:
    void updateGeometries();
    void initStyleOption(QStyleOptionFrameV2 *option) const;

    QWidget *m_leftWidget;
    QLineEdit *m_lineEdit;
    ClearButton *m_clearButton;
};

class UrlIconLabel;
class WebView;
class UrlLineEdit : public ExLineEdit
{
    Q_OBJECT

public:
    UrlLineEdit(QWidget *parent = 0);
    void setWebView(WebView *webView);

protected:
    void paintEvent(QPaintEvent *event);
    void focusOutEvent(QFocusEvent *event);

private slots:
    void webViewUrlChanged(const QUrl &url);
    void webViewIconChanged();

private:
    QLinearGradient generateGradient(const QColor &color) const;
    WebView *m_webView;
    UrlIconLabel *m_iconLabel;
    QColor m_defaultBaseColor;

};


#endif // URLLINEEDIT_H

