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28 
29 #ifndef INDEXWINDOW_H
30 #define INDEXWINDOW_H
31 
32 #include <QtCore/QUrl>
33 #include <QtWidgets/QWidget>
34 #include <QtWidgets/QLineEdit>
35 
36 QT_BEGIN_NAMESPACE
37 
38 class QHelpIndexWidget;
39 class QModelIndex;
40 struct QHelpLink;
41 
42 class IndexWindow : public QWidget
43 {
44     Q_OBJECT
45 
46 public:
47     IndexWindow(QWidget *parent = nullptr);
48     ~IndexWindow() override;
49 
50     void setSearchLineEditText(const QString &text);
searchLineEditText()51     QString searchLineEditText() const
52     {
53         return m_searchLineEdit->text();
54     }
55 
56 signals:
57     void linkActivated(const QUrl &link);
58     void documentsActivated(const QList<QHelpLink> &documents, const QString &keyword);
59     void escapePressed();
60 
61 private slots:
62     void filterIndices(const QString &filter);
63     void enableSearchLineEdit();
64     void disableSearchLineEdit();
65 
66 private:
67     bool eventFilter(QObject *obj, QEvent *e) override;
68     void focusInEvent(QFocusEvent *e) override;
69     void open(QHelpIndexWidget *indexWidget, const QModelIndex &index);
70 
71     QLineEdit *m_searchLineEdit;
72     QHelpIndexWidget *m_indexWidget;
73 };
74 
75 QT_END_NAMESPACE
76 
77 #endif // INDEXWINDOW_H
78