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51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZSWIPEGESTURE_H
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#define MOZSWIPEGESTURE_H
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#include <QGestureRecognizer>
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#include <QGesture>
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#include <QTouchEvent>
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class MozSwipeGestureRecognizer: public QGestureRecognizer
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{
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public:
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virtual QGesture* create(QObject* aTarget);
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virtual QGestureRecognizer::Result recognize(QGesture* aState,
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QObject* aWatched,
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QEvent* aEvent);
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virtual void reset(QGesture* aState);
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};
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class MozSwipeGesture: public QGesture
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{
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public:
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int Direction();
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private:
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enum SwipeState {
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NOT_STARTED = 0,
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STARTED,
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CANCELLED,
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TRIGGERED
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};
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MozSwipeGesture();
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bool Update(const QTouchEvent::TouchPoint& aFirstPoint,
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const QTouchEvent::TouchPoint& aSecondPoint,
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const QSizeF& aSize);
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int mHorizontalDirection;
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int mVerticalDirection;
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SwipeState mSwipeState;
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friend class MozSwipeGestureRecognizer;
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};
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#endif
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