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 HBABSTRACTSLIDERCONTROL_P_H

    27 #define HBABSTRACTSLIDERCONTROL_P_H

    28 

    29 #include "hbabstractslidercontrol.h"

    30 #include "hbwidget_p.h"

    31 #include <QStyle>

    32 #include <QBasicTimer>

    33 #include <QApplication>

    34 

    35 class HbAbstractSliderControlPrivate : public HbWidgetPrivate

    36 {

    37     Q_DECLARE_PUBLIC(HbAbstractSliderControl)

    38 

    39 public:

    40     HbAbstractSliderControlPrivate();

    41     ~HbAbstractSliderControlPrivate();

    42 

    43     void setSteps(int single, int page);

    44     inline int bound(int val) const { return qMax(minimum, qMin(maximum, val)); }

    45 

    46     inline int overflowSafeAdd(int add) const

    47     {

    48         int newValue = value + add;

    49         if (add > 0 && newValue < value)

    50             newValue = maximum;

    51         else if (add < 0 && newValue > value)

    52             newValue = minimum;

    53         return newValue;

    54     }

    55 

    56     inline void adjustSliderPosition(int step)

    57     {

    58         Q_Q(HbAbstractSliderControl);

    59         // NOTE: the widget parameter is not used by

    60         // QStyle::styleHint(QStyle::SH_Slider_StopMouseOverSlider)

    61 		if (qApp->style()->styleHint(QStyle::SH_Slider_StopMouseOverSlider, 0, 0)) {

    62             if (qAbs(position - pressValue) < step) {

    63                 repeatAction = HbAbstractSliderControl::SliderNoAction;

    64                 q->setSliderPosition(pressValue);

    65                 return;

    66             }

    67         }

    68         q->triggerAction(repeatAction);

    69     }

    70     //data member

    71     int minimum;

    72     int maximum;

    73     int singleStep;

    74     int pageStep;

    75     int value;

    76     int position;

    77     int pressValue;

    78     uint tracking : 1;

    79     uint blocktracking :1;

    80     uint pressed : 1;

    81     uint invertedAppearance : 1;

    82     uint invertedControls : 1;

    83     Qt::Orientation orientation;

    84 

    85     QBasicTimer repeatActionTimer;

    86     int repeatActionTime;

    87     HbAbstractSliderControl::SliderAction repeatAction;

    88 

    89     int origValue;

    90 

    91 };

    92 

    93 #endif // HBABSTRACTSLIDERCONTROL_P_H