/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the Qt Mobility Components. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 1.1, 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 MAPWIDGET_H #define MAPWIDGET_H #include <qgraphicsgeomap.h> #include <qgeomapcircleobject.h> #include <qgeomappingmanager.h> #include <qgeocoordinate.h> #include <QGraphicsSceneMouseEvent> #include <QTime> QTM_USE_NAMESPACE class MapWidget : public QGraphicsGeoMap { Q_OBJECT public: MapWidget(QGeoMappingManager *manager); ~MapWidget(); public slots: void setMouseClickCoordQuery(bool state); signals: void coordQueryResult(const QGeoCoordinate &coord); private slots: void kineticTimerEvent(); protected: void mousePressEvent(QGraphicsSceneMouseEvent* event); void mouseReleaseEvent(QGraphicsSceneMouseEvent* event); void mouseMoveEvent(QGraphicsSceneMouseEvent* event); void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); void keyPressEvent(QKeyEvent *event); void keyReleaseEvent(QKeyEvent* event); void wheelEvent(QGraphicsSceneWheelEvent* event); private: bool coordQueryState; bool panActive; bool panDecellerate; // Fractional pan, used by panFloatWrapper QPointF remainingPan; // current kinetic panning speed, in pixel/msec QPointF kineticPanSpeed; QPoint panDir; QTimer *kineticTimer; QTime lastMoveTime; // An entry in the mouse history. first=speed, second=time typedef QPair<QPointF, QTime> MouseHistoryEntry; // A history of the last (currently 5) mouse move events is stored in order to smooth out movement detection for kinetic panning QList<MouseHistoryEntry> mouseHistory; void panFloatWrapper(const QPointF& delta); void applyPan(const Qt::KeyboardModifiers& modifiers); public: QGeoMapCircleObject *lastCircle; }; #endif // MAPWIDGET_H