You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
890 B
59 lines
890 B
// -*- C++ -*-
|
|
#ifndef history_h
|
|
#define history_h
|
|
|
|
// history.h
|
|
//
|
|
// (C) 2001 Stefan Kebekus
|
|
// Distributed under the GPL
|
|
|
|
#include <qobject.h>
|
|
#include <qvaluelist.h>
|
|
|
|
#define HISTORYLENGTH 10
|
|
|
|
class HistoryItem
|
|
{
|
|
public:
|
|
HistoryItem(Q_UINT32, Q_UINT32);
|
|
HistoryItem() {}
|
|
|
|
bool operator== (const HistoryItem& item) const;
|
|
|
|
Q_UINT32 page;
|
|
Q_UINT32 ypos;
|
|
};
|
|
|
|
inline
|
|
bool operator!=(const HistoryItem& lhs, const HistoryItem& rhs)
|
|
{
|
|
return !(lhs == rhs);
|
|
}
|
|
|
|
|
|
class History : public QObject
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
History();
|
|
|
|
void add(Q_UINT32 page, Q_UINT32 ypos);
|
|
void clear();
|
|
|
|
HistoryItem* forward();
|
|
HistoryItem* back();
|
|
|
|
signals:
|
|
void backItem(bool);
|
|
void forwardItem(bool);
|
|
|
|
private:
|
|
// List of history items. First item is the oldest.
|
|
QValueList<HistoryItem> historyList;
|
|
|
|
QValueList<HistoryItem>::iterator currentItem;
|
|
};
|
|
|
|
#endif
|