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60 lines
904 B
60 lines
904 B
// -*- C++ -*-
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#ifndef history_h
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#define history_h
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// history.h
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//
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// (C) 2001 Stefan Kebekus
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// Distributed under the GPL
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#include <tqobject.h>
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#include <tqvaluelist.h>
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#define HISTORYLENGTH 10
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class HistoryItem
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{
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public:
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HistoryItem(TQ_UINT32, TQ_UINT32);
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HistoryItem() {}
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bool operator== (const HistoryItem& item) const;
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TQ_UINT32 page;
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TQ_UINT32 ypos;
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};
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inline
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bool operator!=(const HistoryItem& lhs, const HistoryItem& rhs)
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{
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return !(lhs == rhs);
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}
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class History : public TQObject
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{
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Q_OBJECT
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public:
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History();
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void add(TQ_UINT32 page, TQ_UINT32 ypos);
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void clear();
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HistoryItem* forward();
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HistoryItem* back();
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signals:
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void backItem(bool);
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void forwardItem(bool);
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private:
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// List of history items. First item is the oldest.
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TQValueList<HistoryItem> historyList;
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TQValueList<HistoryItem>::iterator currentItem;
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};
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#endif
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