1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (developer.feedback@nokia.com)

     6 **

     7 ** This file is part of the HbWidgets module of the UI Extensions for Mobile.

     8 **

     9 ** GNU Lesser General Public License Usage

    10 ** This file may be used under the terms of the GNU Lesser General Public

    11 ** License version 2.1 as published by the Free Software Foundation and

    12 ** appearing in the file LICENSE.LGPL included in the packaging of this file.

    13 ** Please review the following information to ensure the GNU Lesser General

    14 ** Public License version 2.1 requirements will be met:

    15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    16 **

    17 ** In addition, as a special exception, Nokia gives you certain additional

    18 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    20 **

    21 ** If you have questions regarding the use of this file, please contact

    22 ** Nokia at developer.feedback@nokia.com.

    23 **

    24 ****************************************************************************/

    25 

    26 #ifndef HBINDEXFEEDBACKPRIVATE_H

    27 #define HBINDEXFEEDBACKPRIVATE_H

    28 

    29 //

    30 //  W A R N I N G

    31 //  -------------

    32 //

    33 // This file is not part of the Qt API.  It exists purely as an

    34 // implementation detail.  This header file may change from version to

    35 // version without notice, or even be removed.

    36 //

    37 // We mean it.

    38 //

    39 

    40 #include "hbindexfeedback.h"

    41 #include <hbwidget_p.h>

    42 

    43 #define HB_INDEXFEEDBACK_TYPE "indexfeedback"

    44 #define EFFECT_IFAPPEAR "appear"

    45 #define EFFECT_IFDISAPPEAR "disappear"

    46 

    47 QT_BEGIN_NAMESPACE

    48 class QGraphicsWidget;

    49 class QGraphicsItem;

    50 class QRectF;

    51 QT_END_NAMESPACE

    52 

    53 class HbIndexFeedbackPrivate : public HbWidgetPrivate

    54 {

    55     Q_DECLARE_PUBLIC( HbIndexFeedback )

    56 

    57 public:

    58     HbIndexFeedbackPrivate();

    59     virtual ~HbIndexFeedbackPrivate();

    60     void init();

    61 

    62     void showIndexFeedback();

    63 

    64     void scrollBarPressed();

    65     void scrollBarReleased();

    66 

    67     void connectScrollBarToIndexFeedback(HbScrollBar* scrollBar);

    68     void disconnectItemView();

    69 

    70     void _q_scrollPositionChanged(qreal value, Qt::Orientation orientation);

    71     void _q_hideIndexFeedback();

    72     void _q_itemViewDestroyed();

    73     void _q_hideIndexFeedbackNow();

    74 

    75     void updatePrimitives();

    76     void createPrimitives();

    77 

    78     void calculatePopupRects();

    79     qreal textHeight() const;

    80     qreal textWidth() const;

    81 

    82     QString displayText(const QVariant &data) const;

    83 

    84 public:

    85     int mIndexFeedbackPressTimeout;

    86     int mIndexFeedbackDwellTimeout;

    87     int mIndexFeedbackReleaseTimeout;

    88     HbIndexFeedback::IndexFeedbackPolicy mIndexFeedbackPolicy;

    89 

    90     // TODO::The values are storred here is a work around for a bug in hbscrollbar.

    91     // the bug is that the value changed signal is emitted when the thumb

    92     // is pressed, and again when it is released, regaurdless of if there was a value change.

    93     // once that bug is fixed, this should be removed.

    94     qreal mVerticalScrollBarValue;

    95     qreal mHorizontalScrollBarValue;

    96 

    97     QTimer *mIndexFeedbackTimer;

    98     QTimer *mDisappearTimer;

    99 

   100     QString mPopupContent;

   101     QGraphicsItem *mTextItem;

   102     QGraphicsItem *mPopupItem;

   103 

   104     HbAbstractItemView *mItemView;

   105 

   106     QRectF mPopupTextRect;

   107     QRectF mPopupBackgroundRect;

   108     QRectF mItemViewContentsRect;

   109 

   110     qreal mOneCharHeight;

   111     qreal mThreeCharHeight;

   112     qreal mThreeCharWidth;

   113     qreal mStringOffset;

   114 

   115     QList<QGraphicsItem*> mPopupItemList;

   116 };

   117 

   118 #endif //HBINDEXFEEDBACKPRIVATE_H