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#ifndef DOCUMENTITEM_H
#define DOCUMENTITEM_H
#include <QGraphicsObject>
#include <QPair>
class DocumentBuffer;
class DocumentItem : public QGraphicsObject
{
Q_OBJECT
public:
DocumentItem(int lineCharacterCount, int lineCount, QGraphicsItem *parent = 0);
~DocumentItem();
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
QRectF boundingRect() const;
const DocumentBuffer& buffer() const;
void setBuffer(DocumentBuffer *buffer);
bool isEditable() const;
void setEditable(bool on);
void setText(const QString &text);
void scroll(int lines);
QPair<int, int> cursorLocation() const;
void setCursorLocation(const QPair<int, int> &location);
int scrollTop() const;
void setScrollTop(int top);
protected:
void keyPressEvent(QKeyEvent *event);
void wheelEvent(QGraphicsSceneWheelEvent *event);
private:
enum { CHARACTER_WIDTH = 25, CHARACTER_HEIGHT = 40 };
DocumentBuffer *m_buffer;
int m_lineCharacterCount;
int m_lineCount;
int m_currentRow;
int m_currentCol;
int m_scrollTop;
bool m_editable;
};
#endif // DOCUMENTITEM_H
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