1 files changed, 111 insertions, 0 deletions
diff --git a/src/assistant/assistant/helpviewerimpl.h b/src/assistant/assistant/helpviewerimpl.h
new file mode 100644
index 000000000..5bf2f92e4
--- /dev/null
+++ b/src/assistant/assistant/helpviewerimpl.h
@@ -0,0 +1,111 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef HELPVIEWERIMPL_H
+#define HELPVIEWERIMPL_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/QUrl>
+#include <QtCore/QVariant>
+
+#include <QtGui/QFont>
+
+#if defined(BROWSER_QTWEBKIT)
+#  include <QWebView>
+#elif defined(BROWSER_QTEXTBROWSER)
+#  include <QtWidgets/QTextBrowser>
+#endif
+
+#include "helpviewer.h"
+
+QT_BEGIN_NAMESPACE
+
+#if defined(BROWSER_QTWEBKIT)
+#define TEXTBROWSER_OVERRIDE
+class HelpViewerImpl : public QWebView
+#elif defined(BROWSER_QTEXTBROWSER)
+#define TEXTBROWSER_OVERRIDE override
+class HelpViewerImpl : public QTextBrowser
+#endif
+{
+    Q_OBJECT
+    class HelpViewerImplPrivate;
+
+public:
+    HelpViewerImpl(qreal zoom, QWidget *parent = nullptr);
+    ~HelpViewerImpl() override;
+
+    QFont viewerFont() const;
+    void setViewerFont(const QFont &font);
+
+    void scaleUp();
+    void scaleDown();
+
+    void resetScale();
+    qreal scale() const;
+
+    QString title() const;
+
+    QUrl source() const;
+    void doSetSource(const QUrl &url, QTextDocument::ResourceType type) TEXTBROWSER_OVERRIDE;
+
+    QString selectedText() const;
+    bool isForwardAvailable() const;
+    bool isBackwardAvailable() const;
+
+    bool findText(const QString &text, HelpViewer::FindFlags flags, bool incremental,
+        bool fromSearch);
+
+    static const QString AboutBlank;
+    static const QString LocalHelpFile;
+    static const QString PageNotFoundMessage;
+
+public slots:
+#if QT_CONFIG(clipboard)
+    void copy();
+#endif
+    void home() TEXTBROWSER_OVERRIDE;
+
+    void forward() TEXTBROWSER_OVERRIDE;
+    void backward() TEXTBROWSER_OVERRIDE;
+
+signals:
+    void titleChanged();
+#if !defined(BROWSER_QTEXTBROWSER)
+    // Provide signals present in QTextBrowser, QTextEdit for browsers that do not inherit QTextBrowser
+    void copyAvailable(bool yes);
+    void sourceChanged(const QUrl &url);
+    void forwardAvailable(bool enabled);
+    void backwardAvailable(bool enabled);
+    void highlighted(const QUrl &link);
+    void printRequested();
+#elif !defined(BROWSER_QTWEBKIT)
+    // Provide signals present in QWebView for browsers that do not inherit QWebView
+    void loadFinished(bool finished);
+#endif
+
+protected:
+    void keyPressEvent(QKeyEvent *e) override;
+    void wheelEvent(QWheelEvent *event) override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void mouseReleaseEvent(QMouseEvent *event) override;
+    void resizeEvent(QResizeEvent *e) override;
+
+private slots:
+    void actionChanged();
+    void setLoadFinished();
+
+private:
+    bool eventFilter(QObject *obj, QEvent *event) override;
+    void contextMenuEvent(QContextMenuEvent *event) override;
+    QVariant loadResource(int type, const QUrl &name) TEXTBROWSER_OVERRIDE;
+    bool handleForwardBackwardMouseButtons(QMouseEvent *e);
+    void scrollToTextPosition(int position);
+
+private:
+    HelpViewerImplPrivate *d;
+};
+
+QT_END_NAMESPACE
+
+#endif  // HELPVIEWERIMPL_H