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Diffstat (limited to 'src/gui/kernel/qgesturemanager_p.h')
-rw-r--r-- | src/gui/kernel/qgesturemanager_p.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/gui/kernel/qgesturemanager_p.h b/src/gui/kernel/qgesturemanager_p.h new file mode 100644 index 0000000..8656590 --- /dev/null +++ b/src/gui/kernel/qgesturemanager_p.h @@ -0,0 +1,126 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |