1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of Qt Creator. 7 ** 8 ** Commercial License Usage 9 ** Licensees holding valid commercial Qt licenses may use this file in 10 ** accordance with the commercial license agreement provided with the 11 ** Software or, alternatively, in accordance with the terms contained in 12 ** a written agreement between you and The Qt Company. For licensing terms 13 ** and conditions see https://www.qt.io/terms-conditions. For further 14 ** information use the contact form at https://www.qt.io/contact-us. 15 ** 16 ** GNU General Public License Usage 17 ** Alternatively, this file may be used under the terms of the GNU 18 ** General Public License version 3 as published by the Free Software 19 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT 20 ** included in the packaging of this file. Please review the following 21 ** information to ensure the GNU General Public License requirements will 22 ** be met: https://www.gnu.org/licenses/gpl-3.0.html. 23 ** 24 ****************************************************************************/ 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