Esempio n. 1
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    def __init__(self):
        super(MainWindow, self).__init__()

        self.selectedDate = QDate.currentDate()
        self.fontSize = 15

        centralWidget = QWidget()
        centralWidget.setStyleSheet("background-color:white;")
        dateLabel = QLabel("Date:")
        monthCombo = QComboBox()

        for month in range(1, 13):
            monthCombo.addItem(QDate.longMonthName(month))

        yearEdit = QDateTimeEdit()
        yearEdit.setDisplayFormat('yyyy')
        yearEdit.setDateRange(QDate(1753, 1, 1), QDate(8000, 1, 1))

        monthCombo.setCurrentIndex(self.selectedDate.month() - 1)
        yearEdit.setDate(self.selectedDate)

        self.fontSizeLabel = QLabel("Font size:")
        self.fontSizeSpinBox = QSpinBox()
        self.fontSizeSpinBox.setRange(1, 64)
        self.fontSizeSpinBox.setValue(10)

        self.editor = QTextBrowser()
        self.insertCalendar()

        self.l1 = QLabel()
        self.l1.setText(QDate.longMonthName(self.selectedDate.month()))
        self.l1.setAlignment(Qt.AlignCenter)
        self.l1.setStyleSheet(
            "border: 2px solid #F44336;color:white;"
            "border-radius: 10px;font-size:19px;margin-left:100px;margin-right:100px; background-color:#F44336;"
        )

        monthCombo.activated.connect(self.setMonth)
        yearEdit.dateChanged.connect(self.setYear)
        self.fontSizeSpinBox.valueChanged.connect(self.setfontSize)

        controlsLayout = QHBoxLayout()
        # controlsLayout.setStyleSheet("background-color:red;")
        # controlsLayout.addWidget(dateLabel)
        controlsLayout.addWidget(monthCombo)
        controlsLayout.addWidget(yearEdit)
        controlsLayout.addSpacing(20)
        #       controlsLayout.addWidget(self.fontSizeLabel)
        #       controlsLayout.addWidget(self.fontSizeSpinBox)
        controlsLayout.addStretch(1)

        centralLayout = QVBoxLayout()
        centralLayout.addWidget(self.l1)
        centralLayout.addWidget(self.editor, 1)
        centralLayout.addLayout(controlsLayout)

        centralWidget.setLayout(centralLayout)

        self.setCentralWidget(centralWidget)
        self.editor.setStyleSheet("background-color:white;padding:10px;")
Esempio n. 2
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    def __init__(self):
        super(MainWindow, self).__init__()

        self.selectedDate = QDate.currentDate()
        self.fontSize = 10

        centralWidget = QWidget()

        dateLabel = QLabel("Date:")
        monthCombo = QComboBox()

        for month in range(1, 13):
            monthCombo.addItem(QDate.longMonthName(month))

        yearEdit = QDateTimeEdit()
        yearEdit.setDisplayFormat("yyyy")
        yearEdit.setDateRange(QDate(1753, 1, 1), QDate(8000, 1, 1))

        monthCombo.setCurrentIndex(self.selectedDate.month() - 1)
        yearEdit.setDate(self.selectedDate)

        self.fontSizeLabel = QLabel("Font size:")
        self.fontSizeSpinBox = QSpinBox()
        self.fontSizeSpinBox.setRange(1, 64)
        self.fontSizeSpinBox.setValue(10)

        self.editor = QTextBrowser()
        self.insertCalendar()

        monthCombo.activated.connect(self.setMonth)
        yearEdit.dateChanged.connect(self.setYear)
        self.fontSizeSpinBox.valueChanged.connect(self.setfontSize)

        controlsLayout = QHBoxLayout()
        controlsLayout.addWidget(dateLabel)
        controlsLayout.addWidget(monthCombo)
        controlsLayout.addWidget(yearEdit)
        controlsLayout.addSpacing(24)
        controlsLayout.addWidget(self.fontSizeLabel)
        controlsLayout.addWidget(self.fontSizeSpinBox)
        controlsLayout.addStretch(1)

        centralLayout = QVBoxLayout()
        centralLayout.addLayout(controlsLayout)
        centralLayout.addWidget(self.editor, 1)
        centralWidget.setLayout(centralLayout)

        self.setCentralWidget(centralWidget)
Esempio n. 3
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    def __init__(self):
        super(MainWindow, self).__init__()

        self.selectedDate = QDate.currentDate()
        self.fontSize = 10

        centralWidget = QWidget()

        dateLabel = QLabel("Date:")
        monthCombo = QComboBox()

        for month in range(1, 13):
            monthCombo.addItem(QDate.longMonthName(month))

        yearEdit = QDateTimeEdit()
        yearEdit.setDisplayFormat('yyyy')
        yearEdit.setDateRange(QDate(1753, 1, 1), QDate(8000, 1, 1))

        monthCombo.setCurrentIndex(self.selectedDate.month() - 1)
        yearEdit.setDate(self.selectedDate)

        self.fontSizeLabel = QLabel("Font size:")
        self.fontSizeSpinBox = QSpinBox()
        self.fontSizeSpinBox.setRange(1, 64)
        self.fontSizeSpinBox.setValue(10)

        self.editor = QTextBrowser()
        self.insertCalendar()

        monthCombo.activated.connect(self.setMonth)
        yearEdit.dateChanged.connect(self.setYear)
        self.fontSizeSpinBox.valueChanged.connect(self.setfontSize)

        controlsLayout = QHBoxLayout()
        controlsLayout.addWidget(dateLabel)
        controlsLayout.addWidget(monthCombo)
        controlsLayout.addWidget(yearEdit)
        controlsLayout.addSpacing(24)
        controlsLayout.addWidget(self.fontSizeLabel)
        controlsLayout.addWidget(self.fontSizeSpinBox)
        controlsLayout.addStretch(1)

        centralLayout = QVBoxLayout()
        centralLayout.addLayout(controlsLayout)
        centralLayout.addWidget(self.editor, 1)
        centralWidget.setLayout(centralLayout)

        self.setCentralWidget(centralWidget)
Esempio n. 4
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class Window(QWidget):
    def __init__(self):
        super(Window, self).__init__()

        self.createSpinBoxes()
        self.createDateTimeEdits()
        self.createDoubleSpinBoxes()

        layout = QHBoxLayout()
        layout.addWidget(self.spinBoxesGroup)
        layout.addWidget(self.editsGroup)
        layout.addWidget(self.doubleSpinBoxesGroup)
        self.setLayout(layout)

        self.setWindowTitle("Spin Boxes")

    def createSpinBoxes(self):
        self.spinBoxesGroup = QGroupBox("Spinboxes")

        integerLabel = QLabel("Enter a value between %d and %d:" % (-20, 20))
        integerSpinBox = QSpinBox()
        integerSpinBox.setRange(-20, 20)
        integerSpinBox.setSingleStep(1)
        integerSpinBox.setValue(0)

        zoomLabel = QLabel("Enter a zoom value between %d and %d:" % (0, 1000))
        zoomSpinBox = QSpinBox()
        zoomSpinBox.setRange(0, 1000)
        zoomSpinBox.setSingleStep(10)
        zoomSpinBox.setSuffix('%')
        zoomSpinBox.setSpecialValueText("Automatic")
        zoomSpinBox.setValue(100)

        priceLabel = QLabel("Enter a price between %d and %d:" % (0, 999))
        priceSpinBox = QSpinBox()
        priceSpinBox.setRange(0, 999)
        priceSpinBox.setSingleStep(1)
        priceSpinBox.setPrefix('$')
        priceSpinBox.setValue(99)

        spinBoxLayout = QVBoxLayout()
        spinBoxLayout.addWidget(integerLabel)
        spinBoxLayout.addWidget(integerSpinBox)
        spinBoxLayout.addWidget(zoomLabel)
        spinBoxLayout.addWidget(zoomSpinBox)
        spinBoxLayout.addWidget(priceLabel)
        spinBoxLayout.addWidget(priceSpinBox)
        self.spinBoxesGroup.setLayout(spinBoxLayout)

    def createDateTimeEdits(self):
        self.editsGroup = QGroupBox("Date and time spin boxes")

        dateLabel = QLabel()
        dateEdit = QDateEdit(QDate.currentDate())
        dateEdit.setDateRange(QDate(2005, 1, 1), QDate(2010, 12, 31))
        dateLabel.setText("Appointment date (between %s and %s):" %
                    (dateEdit.minimumDate().toString(Qt.ISODate),
                    dateEdit.maximumDate().toString(Qt.ISODate)))

        timeLabel = QLabel()
        timeEdit = QTimeEdit(QTime.currentTime())
        timeEdit.setTimeRange(QTime(9, 0, 0, 0), QTime(16, 30, 0, 0))
        timeLabel.setText("Appointment time (between %s and %s):" %
                    (timeEdit.minimumTime().toString(Qt.ISODate),
                    timeEdit.maximumTime().toString(Qt.ISODate)))

        self.meetingLabel = QLabel()
        self.meetingEdit = QDateTimeEdit(QDateTime.currentDateTime())

        formatLabel = QLabel("Format string for the meeting date and time:")

        formatComboBox = QComboBox()
        formatComboBox.addItem('yyyy-MM-dd hh:mm:ss (zzz \'ms\')')
        formatComboBox.addItem('hh:mm:ss MM/dd/yyyy')
        formatComboBox.addItem('hh:mm:ss dd/MM/yyyy')
        formatComboBox.addItem('hh:mm:ss')
        formatComboBox.addItem('hh:mm ap')

        formatComboBox.activated[str].connect(self.setFormatString)

        self.setFormatString(formatComboBox.currentText())

        editsLayout = QVBoxLayout()
        editsLayout.addWidget(dateLabel)
        editsLayout.addWidget(dateEdit)
        editsLayout.addWidget(timeLabel)
        editsLayout.addWidget(timeEdit)
        editsLayout.addWidget(self.meetingLabel)
        editsLayout.addWidget(self.meetingEdit)
        editsLayout.addWidget(formatLabel)
        editsLayout.addWidget(formatComboBox)
        self.editsGroup.setLayout(editsLayout)

    def setFormatString(self, formatString):
        self.meetingEdit.setDisplayFormat(formatString)

        if self.meetingEdit.displayedSections() & QDateTimeEdit.DateSections_Mask:
            self.meetingEdit.setDateRange(QDate(2004, 11, 1), QDate(2005, 11, 30))
            self.meetingLabel.setText("Meeting date (between %s and %s):" %
                    (self.meetingEdit.minimumDate().toString(Qt.ISODate),
                    self.meetingEdit.maximumDate().toString(Qt.ISODate)))
        else:
            self.meetingEdit.setTimeRange(QTime(0, 7, 20, 0), QTime(21, 0, 0, 0))
            self.meetingLabel.setText("Meeting time (between %s and %s):" %
                    (self.meetingEdit.minimumTime().toString(Qt.ISODate),
                    self.meetingEdit.maximumTime().toString(Qt.ISODate)))

    def createDoubleSpinBoxes(self):
        self.doubleSpinBoxesGroup = QGroupBox("Double precision spinboxes")

        precisionLabel = QLabel("Number of decimal places to show:")
        precisionSpinBox = QSpinBox()
        precisionSpinBox.setRange(0, 100)
        precisionSpinBox.setValue(2)

        doubleLabel = QLabel("Enter a value between %d and %d:" % (-20, 20))
        self.doubleSpinBox = QDoubleSpinBox()
        self.doubleSpinBox.setRange(-20.0, 20.0)
        self.doubleSpinBox.setSingleStep(1.0)
        self.doubleSpinBox.setValue(0.0)

        scaleLabel = QLabel("Enter a scale factor between %d and %d:" % (0, 1000))
        self.scaleSpinBox = QDoubleSpinBox()
        self.scaleSpinBox.setRange(0.0, 1000.0)
        self.scaleSpinBox.setSingleStep(10.0)
        self.scaleSpinBox.setSuffix('%')
        self.scaleSpinBox.setSpecialValueText("No scaling")
        self.scaleSpinBox.setValue(100.0)

        priceLabel = QLabel("Enter a price between %d and %d:" % (0, 1000))
        self.priceSpinBox = QDoubleSpinBox()
        self.priceSpinBox.setRange(0.0, 1000.0)
        self.priceSpinBox.setSingleStep(1.0)
        self.priceSpinBox.setPrefix('$')
        self.priceSpinBox.setValue(99.99)

        precisionSpinBox.valueChanged.connect(self.changePrecision)

        spinBoxLayout = QVBoxLayout()
        spinBoxLayout.addWidget(precisionLabel)
        spinBoxLayout.addWidget(precisionSpinBox)
        spinBoxLayout.addWidget(doubleLabel)
        spinBoxLayout.addWidget(self.doubleSpinBox)
        spinBoxLayout.addWidget(scaleLabel)
        spinBoxLayout.addWidget(self.scaleSpinBox)
        spinBoxLayout.addWidget(priceLabel)
        spinBoxLayout.addWidget(self.priceSpinBox)
        self.doubleSpinBoxesGroup.setLayout(spinBoxLayout)

    def changePrecision(self, decimals):
        self.doubleSpinBox.setDecimals(decimals)
        self.scaleSpinBox.setDecimals(decimals)
        self.priceSpinBox.setDecimals(decimals)
Esempio n. 5
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class PhoneLogDlg(QDialog):

    FIRST, PREV, NEXT, LAST = range(4)

    def __init__(self, parent=None):
        super(PhoneLogDlg, self).__init__(parent)

        callerLabel = QLabel("&Caller:")
        self.callerEdit = QLineEdit()
        callerLabel.setBuddy(self.callerEdit)
        today = QDate.currentDate()
        startLabel = QLabel("&Start:")
        self.startDateTime = QDateTimeEdit()
        startLabel.setBuddy(self.startDateTime)
        self.startDateTime.setDateRange(today, today)
        self.startDateTime.setDisplayFormat(DATETIME_FORMAT)
        endLabel = QLabel("&End:")
        self.endDateTime = QDateTimeEdit()
        endLabel.setBuddy(self.endDateTime)
        self.endDateTime.setDateRange(today, today)
        self.endDateTime.setDisplayFormat(DATETIME_FORMAT)
        topicLabel = QLabel("&Topic:")
        topicEdit = QLineEdit()
        topicLabel.setBuddy(topicEdit)
        outcomeLabel = QLabel("&Outcome:")
        self.outcomeComboBox = QComboBox()
        outcomeLabel.setBuddy(self.outcomeComboBox)
        firstButton = QPushButton()
        firstButton.setIcon(QIcon(":/first.png"))
        prevButton = QPushButton()
        prevButton.setIcon(QIcon(":/prev.png"))
        nextButton = QPushButton()
        nextButton.setIcon(QIcon(":/next.png"))
        lastButton = QPushButton()
        lastButton.setIcon(QIcon(":/last.png"))
        addButton = QPushButton("&Add")
        addButton.setIcon(QIcon(":/add.png"))
        deleteButton = QPushButton("&Delete")
        deleteButton.setIcon(QIcon(":/delete.png"))
        quitButton = QPushButton("&Quit")
        quitButton.setIcon(QIcon(":/quit.png"))
        if not MAC:
            addButton.setFocusPolicy(Qt.NoFocus)
            deleteButton.setFocusPolicy(Qt.NoFocus)

        fieldLayout = QGridLayout()
        fieldLayout.addWidget(callerLabel, 0, 0)
        fieldLayout.addWidget(self.callerEdit, 0, 1, 1, 3)
        fieldLayout.addWidget(startLabel, 1, 0)
        fieldLayout.addWidget(self.startDateTime, 1, 1)
        fieldLayout.addWidget(endLabel, 1, 2)
        fieldLayout.addWidget(self.endDateTime, 1, 3)
        fieldLayout.addWidget(topicLabel, 2, 0)
        fieldLayout.addWidget(topicEdit, 2, 1, 1, 3)
        fieldLayout.addWidget(outcomeLabel, 3, 0)
        fieldLayout.addWidget(self.outcomeComboBox, 3, 1, 1, 3)
        navigationLayout = QHBoxLayout()
        navigationLayout.addWidget(firstButton)
        navigationLayout.addWidget(prevButton)
        navigationLayout.addWidget(nextButton)
        navigationLayout.addWidget(lastButton)
        fieldLayout.addLayout(navigationLayout, 4, 0, 1, 2)
        buttonLayout = QVBoxLayout()
        buttonLayout.addWidget(addButton)
        buttonLayout.addWidget(deleteButton)
        buttonLayout.addStretch()
        buttonLayout.addWidget(quitButton)
        layout = QHBoxLayout()
        layout.addLayout(fieldLayout)
        layout.addLayout(buttonLayout)
        self.setLayout(layout)

        self.model = QSqlRelationalTableModel(self)
        self.model.setTable("calls")
        self.model.setRelation(OUTCOMEID, QSqlRelation("outcomes", "id",
                                                       "name"))
        self.model.setSort(STARTTIME, Qt.AscendingOrder)
        self.model.select()

        self.mapper = QDataWidgetMapper(self)
        self.mapper.setSubmitPolicy(QDataWidgetMapper.ManualSubmit)
        self.mapper.setModel(self.model)
        self.mapper.setItemDelegate(QSqlRelationalDelegate(self))
        self.mapper.addMapping(self.callerEdit, CALLER)
        self.mapper.addMapping(self.startDateTime, STARTTIME)
        self.mapper.addMapping(self.endDateTime, ENDTIME)
        self.mapper.addMapping(topicEdit, TOPIC)
        relationModel = self.model.relationModel(OUTCOMEID)
        self.outcomeComboBox.setModel(relationModel)
        self.outcomeComboBox.setModelColumn(relationModel.fieldIndex("name"))
        self.mapper.addMapping(self.outcomeComboBox, OUTCOMEID)
        self.mapper.toFirst()

        firstButton.clicked.connect(lambda: self.saveRecord(PhoneLogDlg.FIRST))
        prevButton.clicked.connect(lambda: self.saveRecord(PhoneLogDlg.PREV))
        nextButton.clicked.connect(lambda: self.saveRecord(PhoneLogDlg.NEXT))
        lastButton.clicked.connect(lambda: self.saveRecord(PhoneLogDlg.LAST))
        addButton.clicked.connect(self.addRecord)
        deleteButton.clicked.connect(self.deleteRecord)
        quitButton.clicked.connect(self.done)
        self.setWindowTitle("Phone Log")

    def done(self, result=None):
        self.mapper.submit()
        QDialog.done(self, True)

    def addRecord(self):
        row = self.model.rowCount()
        self.mapper.submit()
        self.model.insertRow(row)
        self.mapper.setCurrentIndex(row)
        now = QDateTime.currentDateTime()
        self.startDateTime.setDateTime(now)
        self.endDateTime.setDateTime(now)
        self.outcomeComboBox.setCurrentIndex(
            self.outcomeComboBox.findText("Unresolved"))
        self.callerEdit.setFocus()

    def deleteRecord(self):
        caller = self.callerEdit.text()
        starttime = self.startDateTime.dateTime().toString(DATETIME_FORMAT)
        if (QMessageBox.question(
                self, "Delete",
                "Delete call made by<br>{0} on {1}?".format(caller, starttime),
                QMessageBox.Yes | QMessageBox.No) == QMessageBox.No):
            return
        row = self.mapper.currentIndex()
        self.model.removeRow(row)
        self.model.submitAll()
        self.model.select()
        if row + 1 >= self.model.rowCount():
            row = self.model.rowCount() - 1
        self.mapper.setCurrentIndex(row)

    def saveRecord(self, where):
        row = self.mapper.currentIndex()
        self.mapper.submit()
        if where == PhoneLogDlg.FIRST:
            row = 0
        elif where == PhoneLogDlg.PREV:
            row = 0 if row <= 1 else row - 1
        elif where == PhoneLogDlg.NEXT:
            row += 1
            if row >= self.model.rowCount():
                row = self.model.rowCount() - 1
        elif where == PhoneLogDlg.LAST:
            row = self.model.rowCount() - 1
        self.mapper.setCurrentIndex(row)
Esempio n. 6
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class Window(QWidget):
    def __init__(self):
        super(Window, self).__init__()

        self.createSpinBoxes()
        self.createDateTimeEdits()
        self.createDoubleSpinBoxes()

        layout = QHBoxLayout()
        layout.addWidget(self.spinBoxesGroup)
        layout.addWidget(self.editsGroup)
        layout.addWidget(self.doubleSpinBoxesGroup)
        self.setLayout(layout)

        self.setWindowTitle("Spin Boxes")

    def createSpinBoxes(self):
        self.spinBoxesGroup = QGroupBox("Spinboxes")

        integerLabel = QLabel("Enter a value between %d and %d:" % (-20, 20))
        integerSpinBox = QSpinBox()
        integerSpinBox.setRange(-20, 20)
        integerSpinBox.setSingleStep(1)
        integerSpinBox.setValue(0)

        zoomLabel = QLabel("Enter a zoom value between %d and %d:" % (0, 1000))
        zoomSpinBox = QSpinBox()
        zoomSpinBox.setRange(0, 1000)
        zoomSpinBox.setSingleStep(10)
        zoomSpinBox.setSuffix('%')
        zoomSpinBox.setSpecialValueText("Automatic")
        zoomSpinBox.setValue(100)

        priceLabel = QLabel("Enter a price between %d and %d:" % (0, 999))
        priceSpinBox = QSpinBox()
        priceSpinBox.setRange(0, 999)
        priceSpinBox.setSingleStep(1)
        priceSpinBox.setPrefix('$')
        priceSpinBox.setValue(99)

        spinBoxLayout = QVBoxLayout()
        spinBoxLayout.addWidget(integerLabel)
        spinBoxLayout.addWidget(integerSpinBox)
        spinBoxLayout.addWidget(zoomLabel)
        spinBoxLayout.addWidget(zoomSpinBox)
        spinBoxLayout.addWidget(priceLabel)
        spinBoxLayout.addWidget(priceSpinBox)
        self.spinBoxesGroup.setLayout(spinBoxLayout)

    def createDateTimeEdits(self):
        self.editsGroup = QGroupBox("Date and time spin boxes")

        dateLabel = QLabel()
        dateEdit = QDateEdit(QDate.currentDate())
        dateEdit.setDateRange(QDate(2005, 1, 1), QDate(2010, 12, 31))
        dateLabel.setText("Appointment date (between %s and %s):" %
                          (dateEdit.minimumDate().toString(Qt.ISODate),
                           dateEdit.maximumDate().toString(Qt.ISODate)))

        timeLabel = QLabel()
        timeEdit = QTimeEdit(QTime.currentTime())
        timeEdit.setTimeRange(QTime(9, 0, 0, 0), QTime(16, 30, 0, 0))
        timeLabel.setText("Appointment time (between %s and %s):" %
                          (timeEdit.minimumTime().toString(Qt.ISODate),
                           timeEdit.maximumTime().toString(Qt.ISODate)))

        self.meetingLabel = QLabel()
        self.meetingEdit = QDateTimeEdit(QDateTime.currentDateTime())

        formatLabel = QLabel("Format string for the meeting date and time:")

        formatComboBox = QComboBox()
        formatComboBox.addItem('yyyy-MM-dd hh:mm:ss (zzz \'ms\')')
        formatComboBox.addItem('hh:mm:ss MM/dd/yyyy')
        formatComboBox.addItem('hh:mm:ss dd/MM/yyyy')
        formatComboBox.addItem('hh:mm:ss')
        formatComboBox.addItem('hh:mm ap')

        formatComboBox.activated[str].connect(self.setFormatString)

        self.setFormatString(formatComboBox.currentText())

        editsLayout = QVBoxLayout()
        editsLayout.addWidget(dateLabel)
        editsLayout.addWidget(dateEdit)
        editsLayout.addWidget(timeLabel)
        editsLayout.addWidget(timeEdit)
        editsLayout.addWidget(self.meetingLabel)
        editsLayout.addWidget(self.meetingEdit)
        editsLayout.addWidget(formatLabel)
        editsLayout.addWidget(formatComboBox)
        self.editsGroup.setLayout(editsLayout)

    def setFormatString(self, formatString):
        self.meetingEdit.setDisplayFormat(formatString)

        if self.meetingEdit.displayedSections(
        ) & QDateTimeEdit.DateSections_Mask:
            self.meetingEdit.setDateRange(QDate(2004, 11, 1),
                                          QDate(2005, 11, 30))
            self.meetingLabel.setText(
                "Meeting date (between %s and %s):" %
                (self.meetingEdit.minimumDate().toString(Qt.ISODate),
                 self.meetingEdit.maximumDate().toString(Qt.ISODate)))
        else:
            self.meetingEdit.setTimeRange(QTime(0, 7, 20, 0),
                                          QTime(21, 0, 0, 0))
            self.meetingLabel.setText(
                "Meeting time (between %s and %s):" %
                (self.meetingEdit.minimumTime().toString(Qt.ISODate),
                 self.meetingEdit.maximumTime().toString(Qt.ISODate)))

    def createDoubleSpinBoxes(self):
        self.doubleSpinBoxesGroup = QGroupBox("Double precision spinboxes")

        precisionLabel = QLabel("Number of decimal places to show:")
        precisionSpinBox = QSpinBox()
        precisionSpinBox.setRange(0, 100)
        precisionSpinBox.setValue(2)

        doubleLabel = QLabel("Enter a value between %d and %d:" % (-20, 20))
        self.doubleSpinBox = QDoubleSpinBox()
        self.doubleSpinBox.setRange(-20.0, 20.0)
        self.doubleSpinBox.setSingleStep(1.0)
        self.doubleSpinBox.setValue(0.0)

        scaleLabel = QLabel("Enter a scale factor between %d and %d:" %
                            (0, 1000))
        self.scaleSpinBox = QDoubleSpinBox()
        self.scaleSpinBox.setRange(0.0, 1000.0)
        self.scaleSpinBox.setSingleStep(10.0)
        self.scaleSpinBox.setSuffix('%')
        self.scaleSpinBox.setSpecialValueText("No scaling")
        self.scaleSpinBox.setValue(100.0)

        priceLabel = QLabel("Enter a price between %d and %d:" % (0, 1000))
        self.priceSpinBox = QDoubleSpinBox()
        self.priceSpinBox.setRange(0.0, 1000.0)
        self.priceSpinBox.setSingleStep(1.0)
        self.priceSpinBox.setPrefix('$')
        self.priceSpinBox.setValue(99.99)

        precisionSpinBox.valueChanged.connect(self.changePrecision)

        spinBoxLayout = QVBoxLayout()
        spinBoxLayout.addWidget(precisionLabel)
        spinBoxLayout.addWidget(precisionSpinBox)
        spinBoxLayout.addWidget(doubleLabel)
        spinBoxLayout.addWidget(self.doubleSpinBox)
        spinBoxLayout.addWidget(scaleLabel)
        spinBoxLayout.addWidget(self.scaleSpinBox)
        spinBoxLayout.addWidget(priceLabel)
        spinBoxLayout.addWidget(self.priceSpinBox)
        self.doubleSpinBoxesGroup.setLayout(spinBoxLayout)

    def changePrecision(self, decimals):
        self.doubleSpinBox.setDecimals(decimals)
        self.scaleSpinBox.setDecimals(decimals)
        self.priceSpinBox.setDecimals(decimals)