1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #include "valuedatacontainer.h"

    19 #include "enginewrapper.h"

    20 

    21 #include <QGraphicsLinearLayout>

    22 #include <QPalette>

    23 #include <QPainter>

    24 #include <HbColorScheme>

    25 

    26 const int leftMargin = 2;

    27 

    28 ValueDataContainer::ValueDataContainer(const EngineWrapper& engine, QGraphicsItem *parent) :

    29     DataContainer(engine, parent)

    30 {

    31     HbFontSpec spec(HbFontSpec::Secondary);

    32     mFont = spec.font();

    33 }

    34 

    35 void ValueDataContainer::paint (QPainter *painter,

    36     const QStyleOptionGraphicsItem *option,

    37     QWidget *widget)

    38 {

    39     Q_UNUSED(option);

    40     Q_UNUSED(widget);

    41 

    42     // set proper font and prepare font metrics for text height calculation

    43     painter->setFont(mFont);

    44 

    45     QColor col = HbColorScheme::color("qtc_textedit_normal");

    46     if(col.isValid())

    47         painter->setPen(col);

    48     

    49     QFontMetricsF metrics(mFont);

    50 

    51     QList<SampleEntry> entries = engine().sampleEntries();

    52     int c = 1;

    53 

    54     for (int i=0; i<entries.length(); i++)

    55     {

    56         const SampleEntry &entry = entries.at(i);

    57 

    58         if (entry.sampleCount() == 0)

    59             continue;

    60 

    61         const SampleData &sample = entry.sample(0);

    62 

    63         if (i == 0)

    64         {

    65             // CPU

    66             double perc = sample.mSize > 0 ?

    67                           100. - 100. * sample.mFree / sample.mSize : 0;

    68 

    69 

    70             QString text = tr("%1 %2%").arg(entry.description()).

    71                            arg(perc, 0, 'f', 0);

    72             painter->drawText(QPointF(leftMargin, c * metrics.height()), text);

    73             c++;

    74         }

    75         else if (sample.mSize > 0)

    76         {

    77             // RAM and Drives

    78             QString text = tr("%1 free %L2%3").arg(entry.description()).

    79                            arg(sample.mFree).arg(entry.unitShort());

    80             painter->drawText(QPointF(leftMargin, c * metrics.height()), text);

    81             c++;

    82 

    83             text = tr("%1 size %L2%3").arg(entry.description()).

    84                    arg(sample.mSize).arg(entry.unitShort());

    85             painter->drawText(QPointF(leftMargin, c * metrics.height()), text);

    86             c++;

    87         }

    88     }

    89 }