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25 
26 #pragma once
27 
28 #include <QObject>
29 #include <QStack>
30 
31 namespace Valgrind {
32 namespace Callgrind {
33 
34 class Function;
35 
36 class StackBrowser : public QObject
37 {
38     Q_OBJECT
39 
40 public:
41     explicit StackBrowser(QObject *parent = nullptr);
42 
43     void select(const Function *item);
44     const Function *current() const;
45     void clear();
hasPrevious()46     bool hasPrevious() const { return !m_stack.isEmpty(); }
hasNext()47     bool hasNext() const { return !m_redoStack.isEmpty(); }
48 
49     void goBack();
50     void goNext();
51 
52 signals:
53     void currentChanged();
54 
55 private:
56     QStack<const Function *> m_stack;
57     QStack<const Function *> m_redoStack;
58 };
59 
60 } // namespace Callgrind
61 } // namespace Valgrind
62