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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "helpviewer.h"
#include "openpagesmanager.h"
#include <QTextBrowser>
namespace Help {
namespace Internal {
class TextBrowserHelpWidget;
class TextBrowserHelpViewer : public HelpViewer
{
Q_OBJECT
public:
explicit TextBrowserHelpViewer(QWidget *parent = nullptr);
~TextBrowserHelpViewer() override;
void setViewerFont(const QFont &font) override;
void setScale(qreal scale) override;
QString title() const override;
QUrl source() const override;
void setSource(const QUrl &url) override;
void setHtml(const QString &html) override;
QString selectedText() const override;
bool isForwardAvailable() const override;
bool isBackwardAvailable() const override;
void addBackHistoryItems(QMenu *backMenu) override;
void addForwardHistoryItems(QMenu *forwardMenu) override;
bool findText(const QString &text, Core::FindFlags flags,
bool incremental, bool fromSearch, bool *wrapped = nullptr) override;
void copy() override;
void stop() override;
void forward() override;
void backward() override;
void print(QPrinter *printer) override;
private:
void setFontAndScale(const QFont &font, qreal scale);
TextBrowserHelpWidget *m_textBrowser;
};
class TextBrowserHelpWidget : public QTextBrowser
{
Q_OBJECT
public:
TextBrowserHelpWidget(TextBrowserHelpViewer *parent);
QVariant loadResource(int type, const QUrl &name) override;
void withFixedTopPosition(const std::function<void()> &action);
protected:
void contextMenuEvent(QContextMenuEvent *event) override;
bool eventFilter(QObject *obj, QEvent *event) override;
void wheelEvent(QWheelEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void resizeEvent(QResizeEvent *e) override;
private:
QString linkAt(const QPoint &pos);
void scrollToTextPosition(int position);
TextBrowserHelpViewer *m_parent;
friend class Help::Internal::TextBrowserHelpViewer;
};
} // namespace Internal
} // namespace Help
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