mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 06:11:37 +00:00
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 -*- */
|
|
/* vim:expandtab:shiftwidth=4:tabstop=4:
|
|
*/
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef MOZSWIPEGESTURE_H
|
|
#define MOZSWIPEGESTURE_H
|
|
|
|
#include <QGestureRecognizer>
|
|
#include <QGesture>
|
|
#include <QTouchEvent>
|
|
|
|
class MozSwipeGestureRecognizer: public QGestureRecognizer
|
|
{
|
|
public:
|
|
virtual QGesture* create(QObject* aTarget);
|
|
virtual QGestureRecognizer::Result recognize(QGesture* aState,
|
|
QObject* aWatched,
|
|
QEvent* aEvent);
|
|
virtual void reset(QGesture* aState);
|
|
};
|
|
|
|
class MozSwipeGesture: public QGesture
|
|
{
|
|
public:
|
|
int Direction();
|
|
|
|
private:
|
|
enum SwipeState {
|
|
NOT_STARTED = 0,
|
|
STARTED,
|
|
CANCELLED,
|
|
TRIGGERED
|
|
};
|
|
|
|
MozSwipeGesture();
|
|
|
|
bool Update(const QTouchEvent::TouchPoint& aFirstPoint,
|
|
const QTouchEvent::TouchPoint& aSecondPoint,
|
|
const QSizeF& aSize);
|
|
|
|
int mHorizontalDirection;
|
|
int mVerticalDirection;
|
|
SwipeState mSwipeState;
|
|
friend class MozSwipeGestureRecognizer;
|
|
};
|
|
|
|
#endif
|