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50
51#ifndef SETTINGSTREE_H
52#define SETTINGSTREE_H
53
54#include <QIcon>
55#include <QTimer>
56#include <QTreeWidget>
57#include <QSharedPointer>
58
59QT_BEGIN_NAMESPACE
60class QSettings;
61QT_END_NAMESPACE
62
63struct TypeChecker;
64
65class SettingsTree : public QTreeWidget
66{
67 Q_OBJECT
68
69public:
70 using SettingsPtr = QSharedPointer<QSettings>;
71 using TypeCheckerPtr = QSharedPointer<TypeChecker>;
72
73 SettingsTree(QWidget *parent = nullptr);
74 ~SettingsTree();
75
76 void setSettingsObject(const SettingsPtr &settings);
77 QSize sizeHint() const override;
78
79public slots:
80 void setAutoRefresh(bool autoRefresh);
81 void setFallbacksEnabled(bool enabled);
82 void maybeRefresh();
83 void refresh();
84
85protected:
86 bool event(QEvent *event) override;
87
88private slots:
89 void updateSetting(QTreeWidgetItem *item);
90
91private:
92 void updateChildItems(QTreeWidgetItem *parent);
93 QTreeWidgetItem *createItem(const QString &text, QTreeWidgetItem *parent,
94 int index);
95 QTreeWidgetItem *childAt(QTreeWidgetItem *parent, int index) const;
96 int childCount(QTreeWidgetItem *parent) const;
97 int findChild(QTreeWidgetItem *parent, const QString &text, int startIndex) const;
98 void moveItemForward(QTreeWidgetItem *parent, int oldIndex, int newIndex);
99
100 SettingsPtr settings;
101 TypeCheckerPtr m_typeChecker;
102 QTimer refreshTimer;
103 QIcon groupIcon;
104 QIcon keyIcon;
105 bool autoRefresh = false;
106};
107
108#endif
109

source code of qtbase/examples/widgets/tools/settingseditor/settingstree.h