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#ifndef GESTURERECOGNIZERLINJAZAX_H
#define GESTURERECOGNIZERLINJAZAX_H
#include <QList>
#include <QPoint>
#include <QString>
#include <QGesture>
#include <QGestureRecognizer>
#include "linjazaxgesture.h"
struct Direction
{
QString direction;
QPoint point;
Direction(QString dir, const QPoint &pt)
: direction(dir), point(pt) { }
Direction()
: direction() { }
inline bool isEmpty() const { return direction.isEmpty(); }
inline bool isNull() const { return direction.isEmpty(); }
};
typedef QList<Direction> DirectionList;
class DirectionSimpleRecognizer
{
public:
DirectionSimpleRecognizer();
Direction addPosition(const QPoint &pos);
DirectionList getDirections() const;
void reset();
private:
QPoint lastPoint;
DirectionList directions;
};
class GestureRecognizerLinjaZax : public QGestureRecognizer
{
Q_OBJECT
public:
GestureRecognizerLinjaZax();
QGestureRecognizer::Result filterEvent(const QEvent *event);
QGesture* getGesture();
void reset();
private:
void internalReset();
QPoint pressedPos;
QPoint lastPos;
QPoint currentPos;
bool mousePressed;
bool gestureFinished;
QString lastDirections;
QString currentDirection;
DirectionSimpleRecognizer simpleRecognizer;
LinjaZaxGesture::ZoomState zoomState;
};
#endif
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