35 lines
582 B
C++
35 lines
582 B
C++
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#include "pathhistory.h"
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#include <QUrl>
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PathHistory::PathHistory(QObject *parent)
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: QObject(parent)
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{
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}
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void PathHistory::append(const QUrl &path)
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{
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m_prevHistory.append(path);
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}
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QUrl PathHistory::posteriorPath()
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{
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if (m_postHistory.isEmpty())
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return QUrl();
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return m_postHistory.takeLast();
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}
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QUrl PathHistory::previousPath()
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{
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if (m_prevHistory.isEmpty())
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return QUrl();
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if (m_prevHistory.length() < 2)
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return m_prevHistory.at(0);
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m_postHistory.append(m_prevHistory.takeLast());
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return m_prevHistory.takeLast();
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}
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