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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the $MODULE$ of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGESTUREMANAGER_P_H
+#define QGESTUREMANAGER_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of other Qt classes. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qlist.h"
+#include "qset.h"
+#include "qevent.h"
+#include "qbasictimer.h"
+#include "qpointer.h"
+
+#include "qgesturerecognizer.h"
+
+QT_BEGIN_NAMESPACE
+
+class QWidget;
+class Q_AUTOTEST_EXPORT QGestureManager : public QObject
+{
+ Q_OBJECT
+public:
+ QGestureManager(QObject *parent);
+
+ int eventDeliveryDelay() const;
+ void setEventDeliveryDelay(int ms);
+
+ void addRecognizer(QGestureRecognizer *recognizer);
+ void removeRecognizer(QGestureRecognizer *recognizer);
+
+ bool filterEvent(QWidget *receiver, QEvent *event);
+ bool inGestureMode();
+
+ int makeGestureId(const QString &name);
+ void releaseGestureId(int gestureId);
+ QString gestureNameFromId(int gestureId) const;
+
+ // declared in qapplication.cpp
+ static QGestureManager* instance();
+
+ bool sendGestureEvent(QWidget *receiver,
+ const QSet<QGesture*> &startedGestures,
+ const QSet<QGesture*> &updatedGestures,
+ const QSet<QString> &cancelled = QSet<QString>());
+
+protected:
+ void timerEvent(QTimerEvent *event);
+
+private slots:
+ void recognizerStateChanged(QGestureRecognizer::Result);
+
+private:
+ QSet<QGestureRecognizer*> activeGestures;
+ QMap<QGestureRecognizer*, int> maybeGestures;
+ QSet<QGestureRecognizer*> recognizers;
+
+ QPoint lastPos;
+
+ int eventDeliveryDelayTimeout;
+ int delayedPressTimer;
+ QPointer<QWidget> lastMousePressReceiver;
+ QMouseEvent lastMousePressEvent;
+
+ QMap<int, QString> gestureIdMap;
+ int lastGestureId;
+
+ enum State {
+ Gesture,
+ NotGesture,
+ MaybeGesture // that mean timers are up and waiting for some
+ // more events, and input events are handled by
+ // gesture recognizer explicitely
+ } state;
+};
+
+QT_END_NAMESPACE
+
+#endif // QGESTUREMANAGER_P_H