/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
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** In addition, as a special exception, Digia gives you certain additional
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/

#ifndef URLLINEEDIT_H
#define URLLINEEDIT_H

#include <QtCore/QUrl>
#include <QtWidgets/QWidget>
#include <QtWidgets/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