forked from qt-creator/qt-creator
700da528b8
Change-Id: I3da752d7f96162b7cd10e74667a6a3665cb12e14 Reviewed-by: Eike Ziller <eike.ziller@qt.io>
97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2019 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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****************************************************************************/
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#pragma once
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#include "helpviewer.h"
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#include "openpagesmanager.h"
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#include <utils/optional.h>
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#include <qlitehtmlwidget.h>
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#include <QTextBrowser>
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namespace Help {
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namespace Internal {
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class LiteHtmlHelpViewer : public HelpViewer
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{
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Q_OBJECT
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public:
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explicit LiteHtmlHelpViewer(QWidget *parent = nullptr);
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~LiteHtmlHelpViewer() override;
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void setViewerFont(const QFont &font) override;
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void setScale(qreal scale) override;
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QString title() const override;
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QUrl source() const override;
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void setSource(const QUrl &url) override;
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void setHtml(const QString &html) override;
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QString selectedText() const override;
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bool isForwardAvailable() const override;
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bool isBackwardAvailable() const override;
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void addBackHistoryItems(QMenu *backMenu) override;
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void addForwardHistoryItems(QMenu *forwardMenu) override;
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bool findText(const QString &text, Core::FindFlags flags,
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bool incremental, bool fromSearch, bool *wrapped = nullptr) override;
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void copy() override;
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void stop() override;
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void forward() override;
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void backward() override;
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void print(QPrinter *printer) override;
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bool eventFilter(QObject *src, QEvent *e) override;
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private:
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void goForward(int count);
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void goBackward(int count);
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void setSourceInternal(const QUrl &url, Utils::optional<int> vscroll = Utils::nullopt);
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void showContextMenu(const QPoint &pos, const QUrl &url);
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struct HistoryItem
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{
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QUrl url;
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QString title;
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int vscroll;
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};
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HistoryItem currentHistoryItem() const;
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QLiteHtmlWidget *m_viewer;
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std::vector<HistoryItem> m_backItems;
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std::vector<HistoryItem> m_forwardItems;
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};
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} // namespace Internal
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} // namespace Help
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