зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.8 KiB
C++
84 строки
2.8 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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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Nokia Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2010
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Miika Jarvinen <mjarvin@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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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