98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
/*
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Gwenview: an image viewer
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Copyright 2019 Steffen Hartleib <steffenhartleib@t-online.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
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*/
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#ifndef TOUCH_H
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#define TOUCH_H
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#include <lib/gwenviewlib_export.h>
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// Qt
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#include <QObject>
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// KF
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// Local
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#include "lib/touch/doubletap.h"
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#include "lib/touch/oneandtwofingerswipe.h"
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#include "lib/touch/tapholdandmoving.h"
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#include "lib/touch/twofingerpan.h"
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#include "lib/touch/twofingertap.h"
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namespace Gwenview
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{
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struct TouchPrivate;
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class GWENVIEWLIB_EXPORT Touch : public QObject
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{
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Q_OBJECT
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public:
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Touch(QObject *target);
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~Touch() override;
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void setZoomParameter(qreal, qreal);
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void setRotationThreshold(qreal);
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qreal getRotationFromPinchGesture(QGestureEvent *);
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qreal getZoomFromPinchGesture(QGestureEvent *);
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QPoint positionGesture(QGestureEvent *);
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bool checkTwoFingerPanGesture(QGestureEvent *);
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bool checkOneAndTwoFingerSwipeGesture(QGestureEvent *);
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bool checkTapGesture(QGestureEvent *);
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bool checkDoubleTapGesture(QGestureEvent *);
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bool checkTwoFingerTapGesture(QGestureEvent *);
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bool checkTapHoldAndMovingGesture(QGestureEvent *, QObject *);
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bool checkPinchGesture(QGestureEvent *);
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void touchToMouseRelease(QPoint, QObject *);
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void touchToMouseMove(QPoint, QEvent *, Qt::MouseButton);
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void touchToMouseMove(QPoint, QObject *, Qt::MouseButton);
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void touchToMouseClick(QPoint, QObject *);
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void setPanGestureState(QGestureEvent *event);
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Qt::GestureState getLastPanGestureState();
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QPointF getLastTapPos();
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void setLastTapPos(QPointF);
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bool getTapHoldandMovingGestureActive();
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void setTapHoldandMovingGestureActive(bool);
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Qt::GestureType getTapHoldandMovingGesture();
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Qt::GestureType getTwoFingerPanGesture();
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Qt::GestureType getOneAndTwoFingerSwipeGesture();
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Qt::GestureType getDoubleTapGesture();
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Qt::GestureType getTwoFingerTapGesture();
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protected:
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bool eventFilter(QObject *, QEvent *) override;
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Q_SIGNALS:
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void PanTriggered(const QPointF &);
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void swipeLeftTriggered();
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void swipeRightTriggered();
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void doubleTapTriggered();
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void tapHoldAndMovingTriggered(const QPoint &);
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void tapTriggered(const QPoint &);
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void pinchGestureStarted(qint64);
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void twoFingerTapTriggered();
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void pinchZoomTriggered(qreal, const QPoint &, qint64);
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void pinchRotateTriggered(qreal);
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private:
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qreal calculateZoom(qreal, qreal);
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void touchToMouseEvent(QPoint, QObject *, QEvent::Type, Qt::MouseButton, Qt::MouseButtons);
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bool gestureEvent(QGestureEvent *);
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TouchPrivate *const d;
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};
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} // namespace
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#endif /* TOUCH_H */
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