1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 *

     5 * This program is free software: you can redistribute it and/or modify

     6 * it under the terms of the GNU Lesser General Public License as published by

     7 * the Free Software Foundation, version 2.1 of the License.

     8 *

     9 * This program is distributed in the hope that it will be useful,

    10 * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12 * GNU Lesser General Public License for more details.

    13 *

    14 * You should have received a copy of the GNU Lesser General Public License

    15 * along with this program.  If not,

    16 * see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

    17 *

    18 * Description:

    19 */

    20 

    21 #ifndef EXTERNALEVENTCHAR_H

    22 #define EXTERNALEVENTCHAR_H

    23 

    24 #include "ObjectCharm.h"

    25 

    26 namespace GVA {

    27 

    28 /*!

    29  * This class emits a signal when the user clicks outside of the given graphics object.

    30  */

    31 class ExternalEventCharm : public ObjectCharm {

    32     Q_OBJECT

    33   public:

    34     ExternalEventCharm(QGraphicsObject *object);

    35 

    36     static const QString s_mouseClick;

    37 

    38   signals:

    39     /*! This signal is emitted when the user clicks outside of the object.

    40      * \param type The Qt event type.

    41      * \param name The Qt event name (or "MouseClick" if click gesture is detected).

    42      * \param description The Qt event description.

    43      */

    44     void externalMouseEvent(

    45             QEvent * ev,

    46             const QString & name,

    47             const QString & description);

    48   private:

    49     void checkForExternalEvent(QObject * o, QEvent * e);

    50     void emitExternalEvent(QEvent * e);

    51     bool eventFilter(QObject *object, QEvent *event);

    52     QGraphicsScene *scene();

    53 

    54   private:

    55     QPointF m_pressPos;

    56     bool m_pressed;

    57 };

    58 

    59 }   // end GVA namepace

    60 

    61 #endif // EXTERNALEVENTCHAR_H