goldendict-ng/src/gestures.hh
shenleban tongying 483381414f
clean: remove macOS unused code related to gestures (#1421)
* clean: remove macOS unused code related to gestures

We prefer native gestures and disabled gesture.cc long time ago, those are unused

* [autofix.ci] apply automated fixes

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2024-03-20 11:11:35 +08:00

124 lines
2.5 KiB
C++

#pragma once
#ifndef __APPLE__
#include <QGestureRecognizer>
#include <QGesture>
#include <QTimer>
#include <QEvent>
#include <QAction>
namespace Gestures {
enum GestureResult {
NOT_HANLDED,
SWIPE_LEFT,
SWIPE_RIGHT,
SWIPE_UP,
SWIPE_DOWN,
ZOOM_IN,
ZOOM_OUT
};
extern Qt::GestureType GDPinchGestureType;
extern Qt::GestureType GDSwipeGestureType;
void registerRecognizers();
void unregisterRecognizers();
bool isFewTouchPointsPresented();
class GDPinchGestureRecognizer;
class GDPinchGesture: public QGesture
{
public:
GDPinchGesture( QObject * parent );
bool isScaleChanged() const
{
return scaleChanged;
}
QPointF const & getCenterPoint() const
{
return centerPoint;
}
qreal getTotalScaleFactor() const
{
return totalScaleFactor;
}
protected:
QPointF startCenterPoint;
QPointF lastCenterPoint;
QPointF centerPoint;
qreal lastScaleFactor;
qreal scaleFactor;
qreal totalScaleFactor;
bool isNewSequence;
QPointF startPosition[ 2 ];
bool scaleChanged;
friend class GDPinchGestureRecognizer;
};
class GDSwipeGestureRecognizer;
class GDSwipeGesture: public QGesture
{
public:
GDSwipeGesture( QObject * parent );
QSwipeGesture::SwipeDirection getHorizDirection() const
{
return horizDirection;
}
QSwipeGesture::SwipeDirection getVertDirection() const
{
return vertDirection;
}
protected:
QSwipeGesture::SwipeDirection vertDirection;
QSwipeGesture::SwipeDirection horizDirection;
QPoint lastPositions[ 2 ];
bool started;
friend class GDSwipeGestureRecognizer;
};
class GDPinchGestureRecognizer: public QGestureRecognizer
{
public:
static const qreal OUT_SCALE_LIMIT;
static const qreal IN_SCALE_LIMIT;
GDPinchGestureRecognizer() {}
private:
virtual QGesture * create( QObject * pTarget );
virtual QGestureRecognizer::Result recognize( QGesture * pGesture, QObject * pWatched, QEvent * pEvent );
void reset( QGesture * pGesture );
};
class GDSwipeGestureRecognizer: public QGestureRecognizer
{
public:
GDSwipeGestureRecognizer() {}
private:
static const int MOVE_X_TRESHOLD = 100;
static const int MOVE_Y_TRESHOLD = 50;
virtual QGesture * create( QObject * pTarget );
virtual QGestureRecognizer::Result recognize( QGesture * pGesture, QObject * pWatched, QEvent * pEvent );
void reset( QGesture * pGesture );
qreal computeAngle( int dx, int dy );
};
bool handleGestureEvent( QObject * obj, QEvent * event, GestureResult & result, QPoint & point );
} // namespace Gestures
#endif