webview.h Example File
webenginewidgets/demobrowser/webview.h/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the demonstration applications of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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 ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * 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. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "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 THE COPYRIGHT ** OWNER 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef WEBVIEW_H #define WEBVIEW_H #include <QIcon> #include <QWebEngineView> class QAuthenticator; class QMouseEvent; class QNetworkProxy; class QNetworkReply; class QSslError; class BrowserMainWindow; class WebPage : public QWebEnginePage { Q_OBJECT public: WebPage(QWebEngineProfile *profile, QObject *parent = 0); BrowserMainWindow *mainWindow(); protected: QWebEnginePage *createWindow(QWebEnginePage::WebWindowType type) Q_DECL_OVERRIDE; #if !defined(QT_NO_UITOOLS) QObject *createPlugin(const QString &classId, const QUrl &url, const QStringList ¶mNames, const QStringList ¶mValues); #endif virtual bool certificateError(const QWebEngineCertificateError &error) Q_DECL_OVERRIDE; private slots: #if defined(QWEBENGINEPAGE_UNSUPPORTEDCONTENT) void handleUnsupportedContent(QNetworkReply *reply); #endif void authenticationRequired(const QUrl &requestUrl, QAuthenticator *auth); void proxyAuthenticationRequired(const QUrl &requestUrl, QAuthenticator *auth, const QString &proxyHost); private: friend class WebView; // set the webview mousepressedevent Qt::KeyboardModifiers m_keyboardModifiers; Qt::MouseButtons m_pressedButtons; }; class WebView : public QWebEngineView { Q_OBJECT public: WebView(QWidget *parent = 0); WebPage *webPage() const { return m_page; } void setPage(WebPage *page); void loadUrl(const QUrl &url); QUrl url() const; QString lastStatusBarText() const; inline int progress() const { return m_progress; } protected: void mousePressEvent(QMouseEvent *event); void mouseReleaseEvent(QMouseEvent *event); void contextMenuEvent(QContextMenuEvent *event); void wheelEvent(QWheelEvent *event); private slots: void setProgress(int progress); void loadFinished(bool success); void setStatusBarText(const QString &string); void onFeaturePermissionRequested(const QUrl &securityOrigin, QWebEnginePage::Feature); void onIconChanged(const QIcon &icon); private: QString m_statusBarText; QUrl m_initialUrl; int m_progress; WebPage *m_page; }; #endif
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