- Qt 5.5
- Qt WebEngine Widgets
- WebEngine Tab Browser Example
- urllineedit.h Example File
- Qt 5.5.1 Reference Documentation

# urllineedit.h Example File

browser/urllineedit.h

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the demonstration applications of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL$
    ** 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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    **
    ** 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
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    ** 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
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    #ifndef URLLINEEDIT_H
    #define URLLINEEDIT_H

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

    class QLineEdit;

    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