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25 
26 #pragma once
27 
28 #include <QObject>
29 
30 QT_BEGIN_NAMESPACE
31 class QAbstractItemModel;
32 class QComboBox;
33 class QListView;
34 class QModelIndex;
35 class QPoint;
36 class QUrl;
37 class QWidget;
38 QT_END_NAMESPACE
39 
40 namespace Help {
41 namespace Internal {
42 
43 class HelpWidget;
44 class HelpViewer;
45 class OpenPagesSwitcher;
46 class OpenPagesWidget;
47 
48 class OpenPagesManager : public QObject
49 {
50     Q_OBJECT
51 
52 public:
53     OpenPagesManager(HelpWidget *helpWidget);
54     ~OpenPagesManager() override;
55 
56     QWidget *openPagesWidget() const;
57     QComboBox *openPagesComboBox() const;
58 
59     void setupInitialPages();
60 
61     void closeCurrentPage();
62     void closePage(const QModelIndex &index);
63     void closePagesExcept(const QModelIndex &index);
64 
65     void gotoNextPage();
66     void gotoPreviousPage();
67 
68 private:
69     void removePage(int index);
70     void showTwicherOrSelectPage() const;
71     void openPagesContextMenu(const QPoint &point);
72 
73     QComboBox *m_comboBox = nullptr;
74     HelpWidget *m_helpWidget = nullptr;
75     mutable OpenPagesWidget *m_openPagesWidget = nullptr;
76     OpenPagesSwitcher *m_openPagesSwitcher = nullptr;
77 };
78 
79 } // namespace Internal
80 } // namespace Help
81