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    41 // This file contains benchmarks for QRect/QRectF functions.

    42 

    43 #include <QtGui>

    44 #include <qtest.h>

    45 

    46 class tst_qstylesheetstyle : public QObject

    47 {

    48     Q_OBJECT

    49 private slots:

    50     void empty();

    51     void empty_events();

    52 

    53     void simple();

    54     void simple_events();

    55 

    56     void grid_data();

    57     void grid();

    58 

    59 private:

    60     QWidget *buildSimpleWidgets();

    61 

    62 };

    63 

    64 

    65 QWidget *tst_qstylesheetstyle::buildSimpleWidgets()

    66 {

    67     QWidget *w = new QWidget();

    68     QGridLayout *layout = new QGridLayout(w);

    69     w->setLayout(layout);

    70     layout->addWidget(new QPushButton("pushButton")     ,0,0);

    71     layout->addWidget(new QComboBox()                   ,0,1);

    72     layout->addWidget(new QCheckBox("checkBox")         ,0,2);

    73     layout->addWidget(new QRadioButton("radioButton")   ,0,3);

    74     layout->addWidget(new QLineEdit()                   ,1,0);

    75     layout->addWidget(new QLabel("label")               ,1,1);

    76     layout->addWidget(new QSpinBox()                    ,1,2);

    77     layout->addWidget(new QProgressBar()                ,1,3);

    78     return w;

    79 }

    80 

    81 void tst_qstylesheetstyle::empty()

    82 {

    83     QWidget *w = buildSimpleWidgets();

    84     w->setStyleSheet("/* */");

    85     QApplication::processEvents();

    86     int i = 0;

    87     QBENCHMARK {

    88         w->setStyleSheet("/*" + QString::number(i) + "*/");

    89         i++; // we want a different string in case we have severals iterations

    90     }

    91     delete w;

    92 }

    93 

    94 void tst_qstylesheetstyle::empty_events()

    95 {

    96     QWidget *w = buildSimpleWidgets();

    97     w->setStyleSheet("/* */");

    98     QApplication::processEvents();

    99     int i = 0;

   100     QBENCHMARK {

   101         w->setStyleSheet("/*" + QString::number(i) + "*/");

   102         i++; // we want a different string in case we have severals iterations

   103         qApp->processEvents();

   104     }

   105     delete w;

   106 }

   107 

   108 static const char *simple_css =

   109    " QLineEdit { background: red; }   QPushButton { border: 1px solid yellow; color: pink; }  \n"

   110    " QCheckBox { margin: 3px 5px; background-color:red; } QAbstractButton { background-color: #456; } \n"

   111    " QFrame { padding: 3px; } QLabel { color: black } QSpinBox:hover { background-color:blue; }  ";

   112 

   113 void tst_qstylesheetstyle::simple()

   114 {

   115     QWidget *w = buildSimpleWidgets();

   116     w->setStyleSheet("/* */");

   117     QApplication::processEvents();

   118     int i = 0;

   119     QBENCHMARK {

   120         w->setStyleSheet(QString(simple_css) + "/*" + QString::number(i) + "*/");

   121         i++; // we want a different string in case we have severals iterations

   122     }

   123     delete w;

   124 }

   125 

   126 void tst_qstylesheetstyle::simple_events()

   127 {

   128     QWidget *w = buildSimpleWidgets();

   129     w->setStyleSheet("/* */");

   130     QApplication::processEvents();

   131     int i = 0;

   132     QBENCHMARK {

   133         w->setStyleSheet(QString(simple_css) + "/*" + QString::number(i) + "*/");

   134         i++; // we want a different string in case we have severals iterations

   135         qApp->processEvents();

   136     }

   137     delete w;

   138 }

   139 

   140 void tst_qstylesheetstyle::grid_data()

   141 {

   142         QTest::addColumn<bool>("events");

   143         QTest::addColumn<bool>("show");

   144         QTest::addColumn<int>("N");

   145         for (int n = 5; n <= 25; n += 5) {

   146            const QByteArray nString = QByteArray::number(n*n);

   147             QTest::newRow(("simple--" + nString).constData()) << false << false << n;

   148             QTest::newRow(("events--" + nString).constData()) << true << false << n;

   149             QTest::newRow(("show--" + nString).constData()) << true << true << n;

   150         }

   151 }

   152 

   153 

   154 void tst_qstylesheetstyle::grid()

   155 {

   156     QFETCH(bool, events);

   157     QFETCH(bool, show);

   158     QFETCH(int, N);

   159 

   160 #ifdef Q_OS_SYMBIAN

   161     // Symbian has limited stack (max 80k), which will run out when N >= 20 due to

   162     // QWidget::show() using recursion among grid labels somewhere down the line.

   163     if (show && N >= 20)

   164         QSKIP("Grid too big for device to show", SkipSingle);

   165 #endif

   166 

   167     QWidget *w = new QWidget();

   168     QGridLayout *layout = new QGridLayout(w);

   169     w->setLayout(layout);

   170     QString stylesheet;

   171     for(int x=0; x<N ;x++)

   172         for(int y=0; y<N ;y++) {

   173         QLabel *label = new QLabel(QString::number(y * N + x));

   174         layout->addWidget(label ,x,y);

   175         label->setObjectName(QString("label%1").arg(y * N + x));

   176         stylesheet += QString("#label%1 { background-color: rgb(0,%2,%3); color: rgb(%2,%3,255);  } ").arg(y*N+x).arg(y*255/N).arg(x*255/N);

   177     }

   178 

   179     w->setStyleSheet("/* */");

   180     if(show) {

   181         w->show();

   182         QTest::qWaitForWindowShown(w);

   183         QApplication::flush();

   184         QApplication::processEvents();

   185         QTest::qWait(30);

   186         QApplication::processEvents();

   187     }

   188     QApplication::processEvents();

   189     int i = 0;

   190     QBENCHMARK {

   191         w->setStyleSheet(stylesheet + "/*" + QString::number(i) + "*/");

   192         i++; // we want a different string in case we have severals iterations

   193         if(events)

   194             qApp->processEvents();

   195     }

   196     delete w;

   197 }

   198 

   199 QTEST_MAIN(tst_qstylesheetstyle)

   200 

   201 #include "main.moc"