forked from qt-creator/qt-creator
04e50438eb
Since we are now requiring macOS 10.14 we can remove our local implementation of optional and use std::optional for macOS too. Change-Id: I2bd018261b68da64f7f031a812045dd7784697e1 Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: <github-actions-qt-creator@cristianadam.eu> Reviewed-by: Marco Bubke <marco.bubke@qt.io>
75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
// Copyright (C) 2019 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
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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 <qlitehtmlwidget.h>
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#include <QTextBrowser>
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#include <optional>
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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, std::optional<int> vscroll = std::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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