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    40 ****************************************************************************/

    41 

    42 #include <QtGui>

    43 

    44 #include "window.h"

    45 

    46 //! [0]

    47 Window::Window()

    48 {

    49     createSpinBoxes();

    50     createDateTimeEdits();

    51     createDoubleSpinBoxes();

    52 

    53     QHBoxLayout *layout = new QHBoxLayout;

    54     layout->addWidget(spinBoxesGroup);

    55     layout->addWidget(editsGroup);

    56     layout->addWidget(doubleSpinBoxesGroup);

    57     setLayout(layout);

    58 

    59     setWindowTitle(tr("Spin Boxes"));

    60 }

    61 //! [0]

    62 

    63 //! [1]

    64 void Window::createSpinBoxes()

    65 {

    66     spinBoxesGroup = new QGroupBox(tr("Spinboxes"));

    67 

    68     QLabel *integerLabel = new QLabel(tr("Enter a value between "

    69         "%1 and %2:").arg(-20).arg(20));

    70     QSpinBox *integerSpinBox = new QSpinBox;

    71     integerSpinBox->setRange(-20, 20);

    72     integerSpinBox->setSingleStep(1);

    73     integerSpinBox->setValue(0);

    74 //! [1]

    75 

    76 //! [2]

    77     QLabel *zoomLabel = new QLabel(tr("Enter a zoom value between "

    78         "%1 and %2:").arg(0).arg(1000));

    79 //! [3]

    80     QSpinBox *zoomSpinBox = new QSpinBox;

    81     zoomSpinBox->setRange(0, 1000);

    82     zoomSpinBox->setSingleStep(10);

    83     zoomSpinBox->setSuffix("%");

    84     zoomSpinBox->setSpecialValueText(tr("Automatic"));

    85     zoomSpinBox->setValue(100);

    86 //! [2] //! [3]

    87 

    88 //! [4]

    89     QLabel *priceLabel = new QLabel(tr("Enter a price between "

    90         "%1 and %2:").arg(0).arg(999));

    91     QSpinBox *priceSpinBox = new QSpinBox;

    92     priceSpinBox->setRange(0, 999);

    93     priceSpinBox->setSingleStep(1);

    94     priceSpinBox->setPrefix("$");

    95     priceSpinBox->setValue(99);

    96 //! [4] //! [5]

    97 

    98     QVBoxLayout *spinBoxLayout = new QVBoxLayout;

    99     spinBoxLayout->addWidget(integerLabel);

   100     spinBoxLayout->addWidget(integerSpinBox);

   101     spinBoxLayout->addWidget(zoomLabel);

   102     spinBoxLayout->addWidget(zoomSpinBox);

   103     spinBoxLayout->addWidget(priceLabel);

   104     spinBoxLayout->addWidget(priceSpinBox);

   105     spinBoxesGroup->setLayout(spinBoxLayout);

   106 }

   107 //! [5]

   108 

   109 //! [6]

   110 void Window::createDateTimeEdits()

   111 {

   112     editsGroup = new QGroupBox(tr("Date and time spin boxes"));

   113 

   114     QLabel *dateLabel = new QLabel;

   115     QDateEdit *dateEdit = new QDateEdit(QDate::currentDate());

   116     dateEdit->setDateRange(QDate(2005, 1, 1), QDate(2010, 12, 31));

   117     dateLabel->setText(tr("Appointment date (between %0 and %1):")

   118                        .arg(dateEdit->minimumDate().toString(Qt::ISODate))

   119                        .arg(dateEdit->maximumDate().toString(Qt::ISODate)));

   120 //! [6]

   121 

   122 //! [7]

   123     QLabel *timeLabel = new QLabel;

   124     QTimeEdit *timeEdit = new QTimeEdit(QTime::currentTime());

   125     timeEdit->setTimeRange(QTime(9, 0, 0, 0), QTime(16, 30, 0, 0));

   126     timeLabel->setText(tr("Appointment time (between %0 and %1):")

   127                        .arg(timeEdit->minimumTime().toString(Qt::ISODate))

   128                        .arg(timeEdit->maximumTime().toString(Qt::ISODate)));

   129 //! [7]

   130 

   131 //! [8]

   132     meetingLabel = new QLabel;

   133     meetingEdit = new QDateTimeEdit(QDateTime::currentDateTime());

   134 //! [8]

   135 

   136 //! [9]

   137     QLabel *formatLabel = new QLabel(tr("Format string for the meeting date "

   138                                         "and time:"));

   139     QComboBox *formatComboBox = new QComboBox;

   140     formatComboBox->addItem("yyyy-MM-dd hh:mm:ss (zzz 'ms')");

   141     formatComboBox->addItem("hh:mm:ss MM/dd/yyyy");

   142     formatComboBox->addItem("hh:mm:ss dd/MM/yyyy");

   143     formatComboBox->addItem("hh:mm:ss");

   144     formatComboBox->addItem("hh:mm ap");

   145 //! [9] //! [10]

   146 

   147     connect(formatComboBox, SIGNAL(activated(const QString &)),

   148             this, SLOT(setFormatString(const QString &)));

   149 //! [10]

   150 

   151     setFormatString(formatComboBox->currentText());

   152 

   153 //! [11]

   154     QVBoxLayout *editsLayout = new QVBoxLayout;

   155     editsLayout->addWidget(dateLabel);

   156     editsLayout->addWidget(dateEdit);

   157     editsLayout->addWidget(timeLabel);

   158     editsLayout->addWidget(timeEdit);

   159     editsLayout->addWidget(meetingLabel);

   160     editsLayout->addWidget(meetingEdit);

   161     editsLayout->addWidget(formatLabel);

   162     editsLayout->addWidget(formatComboBox);

   163     editsGroup->setLayout(editsLayout);

   164 }

   165 //! [11]

   166 

   167 //! [12]

   168 void Window::setFormatString(const QString &formatString)

   169 {

   170     meetingEdit->setDisplayFormat(formatString);

   171 //! [12] //! [13]

   172     if (meetingEdit->displayedSections() & QDateTimeEdit::DateSections_Mask) {

   173         meetingEdit->setDateRange(QDate(2004, 11, 1), QDate(2005, 11, 30));

   174         meetingLabel->setText(tr("Meeting date (between %0 and %1):")

   175             .arg(meetingEdit->minimumDate().toString(Qt::ISODate))

   176 	    .arg(meetingEdit->maximumDate().toString(Qt::ISODate)));

   177     } else {

   178         meetingEdit->setTimeRange(QTime(0, 7, 20, 0), QTime(21, 0, 0, 0));

   179         meetingLabel->setText(tr("Meeting time (between %0 and %1):")

   180             .arg(meetingEdit->minimumTime().toString(Qt::ISODate))

   181 	    .arg(meetingEdit->maximumTime().toString(Qt::ISODate)));

   182     }

   183 }

   184 //! [13]

   185 

   186 //! [14]

   187 void Window::createDoubleSpinBoxes()

   188 {

   189     doubleSpinBoxesGroup = new QGroupBox(tr("Double precision spinboxes"));

   190 

   191     QLabel *precisionLabel = new QLabel(tr("Number of decimal places "

   192                                            "to show:"));

   193     QSpinBox *precisionSpinBox = new QSpinBox;

   194     precisionSpinBox->setRange(0, 100);

   195     precisionSpinBox->setValue(2);

   196 //! [14]

   197 

   198 //! [15]

   199     QLabel *doubleLabel = new QLabel(tr("Enter a value between "

   200         "%1 and %2:").arg(-20).arg(20));

   201     doubleSpinBox = new QDoubleSpinBox;

   202     doubleSpinBox->setRange(-20.0, 20.0);

   203     doubleSpinBox->setSingleStep(1.0);

   204     doubleSpinBox->setValue(0.0);

   205 //! [15]

   206 

   207 //! [16]

   208     QLabel *scaleLabel = new QLabel(tr("Enter a scale factor between "

   209         "%1 and %2:").arg(0).arg(1000.0));

   210     scaleSpinBox = new QDoubleSpinBox;

   211     scaleSpinBox->setRange(0.0, 1000.0);

   212     scaleSpinBox->setSingleStep(10.0);

   213     scaleSpinBox->setSuffix("%");

   214     scaleSpinBox->setSpecialValueText(tr("No scaling"));

   215     scaleSpinBox->setValue(100.0);

   216 //! [16]

   217 

   218 //! [17]

   219     QLabel *priceLabel = new QLabel(tr("Enter a price between "

   220         "%1 and %2:").arg(0).arg(1000));

   221     priceSpinBox = new QDoubleSpinBox;

   222     priceSpinBox->setRange(0.0, 1000.0);

   223     priceSpinBox->setSingleStep(1.0);

   224     priceSpinBox->setPrefix("$");

   225     priceSpinBox->setValue(99.99);

   226 

   227     connect(precisionSpinBox, SIGNAL(valueChanged(int)),

   228 //! [17]

   229             this, SLOT(changePrecision(int)));

   230 

   231 //! [18]

   232     QVBoxLayout *spinBoxLayout = new QVBoxLayout;

   233     spinBoxLayout->addWidget(precisionLabel);

   234     spinBoxLayout->addWidget(precisionSpinBox);

   235     spinBoxLayout->addWidget(doubleLabel);

   236     spinBoxLayout->addWidget(doubleSpinBox);

   237     spinBoxLayout->addWidget(scaleLabel);

   238     spinBoxLayout->addWidget(scaleSpinBox);

   239     spinBoxLayout->addWidget(priceLabel);

   240     spinBoxLayout->addWidget(priceSpinBox);

   241     doubleSpinBoxesGroup->setLayout(spinBoxLayout);

   242 }

   243 //! [18]

   244 

   245 //! [19]

   246 void Window::changePrecision(int decimals)

   247 {

   248     doubleSpinBox->setDecimals(decimals);

   249     scaleSpinBox->setDecimals(decimals);

   250     priceSpinBox->setDecimals(decimals);

   251 }

   252 //! [19]