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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "callgrindstackbrowser.h"
namespace Valgrind {
namespace Callgrind {
StackBrowser::StackBrowser(QObject *parent)
: QObject(parent)
{
}
void StackBrowser::clear()
{
m_stack.clear();
m_redoStack.clear();
emit currentChanged();
}
void StackBrowser::select(const Function *item)
{
if (!m_stack.isEmpty() && m_stack.top() == item)
return;
m_stack.push(item);
m_redoStack.clear();
emit currentChanged();
}
const Function *StackBrowser::current() const
{
return m_stack.isEmpty() ? 0 : m_stack.top();
}
void StackBrowser::goBack()
{
if (m_stack.isEmpty())
return;
m_redoStack.push(m_stack.pop());
emit currentChanged();
}
void StackBrowser::goNext()
{
if (m_redoStack.isEmpty())
return;
m_stack.push(m_redoStack.pop());
emit currentChanged();
}
} // namespace Callgrind
} // namespace Valgrind
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