73 lines
3.0 KiB
C++
73 lines
3.0 KiB
C++
/***************************************************************************
|
|
* Copyright (c) 2015 Victor Titov (DeepSOIC) <vv.titov@gmail.com> *
|
|
* *
|
|
* This file is part of the FreeCAD CAx development system. *
|
|
* *
|
|
* This library is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Library General Public *
|
|
* License as published by the Free Software Foundation; either *
|
|
* version 2 of the License, or (at your option) any later version. *
|
|
* *
|
|
* This library is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU Library General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Library General Public *
|
|
* License along with this library; see the file COPYING.LIB. If not, *
|
|
* write to the Free Software Foundation, Inc., 59 Temple Place, *
|
|
* Suite 330, Boston, MA 02111-1307, USA *
|
|
* *
|
|
***************************************************************************/
|
|
|
|
/*! This file adds support for pinch gestures in Windows 8 to Qt4.8. I think it
|
|
* may not be necessary for Qt5. I also think this was actually not absolutely
|
|
* necessary, and it may be possible to force Qt gesture recognition from plain
|
|
* touch input. --DeepSOIC
|
|
*/
|
|
|
|
#ifndef WINNATIVEGESTURERECOGNIZERS_H
|
|
#define WINNATIVEGESTURERECOGNIZERS_H
|
|
|
|
#include <QGestureRecognizer>
|
|
#include <QPinchGesture>
|
|
|
|
#ifdef Q_OS_WIN
|
|
#if QT_VERSION < 0x050000
|
|
#if(WINVER >= 0x0601) // need Windows 7
|
|
#define GESTURE_MESS
|
|
#endif
|
|
#endif // QT_VERSION < 0x050000
|
|
#endif // Q_OS_WIN
|
|
|
|
#ifdef GESTURE_MESS
|
|
|
|
/*!
|
|
* \brief The QPinchGestureN class is a special version of QPinchGesture,
|
|
* containing a few extra fields for state tracking.
|
|
*/
|
|
class QPinchGestureN: public QPinchGesture
|
|
{
|
|
public:
|
|
int myFingerDistance = 0; //distance between fingers, in pixels
|
|
int myLastFingerDistance = 0;
|
|
int myStartFingerDistance = 0; //finger distance at gesture start
|
|
double myRotationAngle = 0.0;
|
|
double myLastRotationAngle = 0.0;
|
|
double myStartAngle = 0.0;
|
|
};
|
|
|
|
class WinNativeGestureRecognizerPinch : public QGestureRecognizer
|
|
{
|
|
public:
|
|
WinNativeGestureRecognizerPinch(){}
|
|
virtual QGesture* create ( QObject* target );
|
|
virtual Result recognize ( QGesture* gesture, QObject* watched, QEvent* event );
|
|
virtual void reset ( QGesture* gesture );
|
|
static void TuneWindowsGestures(QWidget* target);
|
|
};
|
|
|
|
#endif //GESTUREMESS
|
|
|
|
#endif // WINNATIVEGESTURERECOGNIZERS_H
|