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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "centralwidget.h"
#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;
QFont viewerFont() const override;
void setViewerFont(const QFont &font) override;
qreal scale() const 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 scaleUp() override;
void scaleDown() override;
void resetScale() override;
void copy() override;
void stop() override;
void forward() override;
void backward() override;
void print(QPrinter *printer) override;
private:
void goToHistoryItem();
TextBrowserHelpWidget *m_textBrowser;
};
class TextBrowserHelpWidget : public QTextBrowser
{
Q_OBJECT
public:
TextBrowserHelpWidget(TextBrowserHelpViewer *parent);
QVariant loadResource(int type, const QUrl &name) override;
void scaleUp();
void scaleDown();
void setSource(const QUrl &name) override;
protected:
void contextMenuEvent(QContextMenuEvent *event) override;
bool eventFilter(QObject *obj, QEvent *event) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
private:
QString linkAt(const QPoint& pos);
int zoomCount;
bool forceFont;
TextBrowserHelpViewer *m_parent;
friend class Help::Internal::TextBrowserHelpViewer;
};
} // namespace Internal
} // namespace Help
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