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  3. PyQt5.QtGui.QDoubleValidator()

Python PyQt5.QtGui 模块，QDoubleValidator() 实例源码

我们从Python开源项目中，提取了以下12个代码示例，用于说明如何使用PyQt5.QtGui.QDoubleValidator()。

项目：Osdag    作者：osdag-admin    | 项目源码 | 文件源码 
def __init__(self, parent=None):
        QDialog.__init__(self, parent)
        self.ui = Ui_ShearDesignPreferences()
        self.ui.setupUi(self)
        self.main_controller = parent
        self.saved = None
        self.ui.combo_design_method.model().item(1).setEnabled(False)
        self.ui.combo_design_method.model().item(2).setEnabled(False)
        self.ui.tabWidget.removeTab(1)
        self.set_default_para()
        #int_validator = QIntValidator()
        dbl_validator = QDoubleValidator()
        self.ui.txt_boltFu.setValidator(dbl_validator)
        self.ui.txt_boltFu.setMaxLength(7)
        self.ui.txt_detailingGap.setValidator(dbl_validator)
        self.ui.txt_detailingGap.setMaxLength(4)
        self.ui.btn_defaults.clicked.connect(self.set_default_para)
        self.ui.btn_save.clicked.connect(self.save_designPref_para)
        self.ui.btn_close.clicked.connect(self.close_designPref)
        self.ui.combo_boltHoleType.currentIndexChanged[str].connect(self.set_bolthole_clearance)
项目：Osdag    作者：osdag-admin    | 项目源码 | 文件源码 
def __init__(self, parent=None):

        QDialog.__init__(self, parent)
        self.ui = Ui_ShearDesignPreferences()
        self.ui.setupUi(self)
        self.main_controller = parent
        #self.uiobj = self.main_controller.uiObj
        self.saved = None
        self.ui.combo_design_method.model().item(1).setEnabled(False)
        self.ui.combo_design_method.model().item(2).setEnabled(False)
        self.set_default_para()
        dbl_validator = QDoubleValidator()
        self.ui.txt_boltFu.setValidator(dbl_validator)
        self.ui.txt_boltFu.setMaxLength(7)
        self.ui.txt_weldFu.setValidator(dbl_validator)
        self.ui.txt_weldFu.setMaxLength(7)
        self.ui.txt_detailingGap.setValidator(dbl_validator)
        self.ui.txt_detailingGap.setMaxLength(5)
        self.ui.btn_defaults.clicked.connect(self.set_default_para)
        self.ui.btn_save.clicked.connect(self.save_designPref_para)
        self.ui.btn_close.clicked.connect(self.close_designPref)
        self.ui.combo_boltHoleType.currentIndexChanged[str].connect(self.get_clearance)
项目：Osdag    作者：osdag-admin    | 项目源码 | 文件源码 
def __init__(self, parent=None):

        QDialog.__init__(self, parent)
        self.ui = Ui_ShearDesignPreferences()
        self.ui.setupUi(self)
        self.main_controller = parent
        self.saved = None
        self.ui.combo_design_method.model().item(1).setEnabled(False)
        self.ui.combo_design_method.model().item(2).setEnabled(False)
        self.set_default_para()
        dbl_validator = QDoubleValidator()
        self.ui.txt_boltFu.setValidator(dbl_validator)
        self.ui.txt_boltFu.setMaxLength(7)
        self.ui.txt_weldFu.setValidator(dbl_validator)
        self.ui.txt_weldFu.setMaxLength(7)
        self.ui.btn_defaults.clicked.connect(self.set_default_para)
        self.ui.btn_save.clicked.connect(self.save_designPref_para)
        self.ui.btn_close.clicked.connect(self.close_designPref)
        self.ui.combo_boltHoleType.currentIndexChanged[str].connect(self.get_clearance)
项目：Osdag    作者：osdag-admin    | 项目源码 | 文件源码 
def __init__(self, parent=None):

        QDialog.__init__(self, parent)
        self.ui = Ui_ShearDesignPreferences()
        self.ui.setupUi(self)
        self.main_controller = parent
        self.saved = None
        self.ui.combo_design_method.model().item(1).setEnabled(False)
        self.ui.combo_design_method.model().item(2).setEnabled(False)
        self.ui.tabWidget.removeTab(1)
        int_validator = QIntValidator()
        dbl_validator = QDoubleValidator()
        self.ui.txt_boltFu.setValidator(dbl_validator)
        self.ui.txt_boltFu.setMaxLength(7)
        self.ui.txt_detailingGap.setValidator(dbl_validator)
        self.ui.txt_detailingGap.setMaxLength(5)
        self.set_default_para()
        self.ui.btn_defaults.clicked.connect(self.set_default_para)
        self.ui.btn_save.clicked.connect(self.save_designPref_para)
        self.ui.btn_close.clicked.connect(self.close_designPref)
        self.ui.combo_boltHoleType.currentIndexChanged[str].connect(self.get_clearance)
项目：BATS-Bayesian-Adaptive-Trial-Simulator    作者：ContaTP    | 项目源码 | 文件源码 
def __init__(self, parent = None):

        QtGui.QDoubleValidator.__init__(self, parent)
        self.setNotation(QtGui.QDoubleValidator.StandardNotation)
项目：BATS-Bayesian-Adaptive-Trial-Simulator    作者：ContaTP    | 项目源码 | 文件源码 
def __init__(self, parent = None):

        QtGui.QDoubleValidator.__init__(self, parent)
        self.setNotation(QtGui.QDoubleValidator.StandardNotation)
项目：Mac-Python-3.X    作者：L1nwatch    | 项目源码 | 文件源码 
def validatorChanged(self, index):
        if index == 0:
            self.validatorLineEdit.setValidator(0)
        elif index == 1:
            self.validatorLineEdit.setValidator(QIntValidator(self.validatorLineEdit))
        elif index == 2:
            self.validatorLineEdit.setValidator(QDoubleValidator(-999.0, 999.0, 2, self.validatorLineEdit))

        self.validatorLineEdit.clear()
项目：examples    作者：pyqt    | 项目源码 | 文件源码 
def validatorChanged(self, index):
        if index == 0:
            self.validatorLineEdit.setValidator(0)
        elif index == 1:
            self.validatorLineEdit.setValidator(QIntValidator(self.validatorLineEdit))
        elif index == 2:
            self.validatorLineEdit.setValidator(QDoubleValidator(-999.0, 999.0, 2, self.validatorLineEdit))

        self.validatorLineEdit.clear()
项目：pyqt5-example    作者：guinslym    | 项目源码 | 文件源码 
def validatorChanged(self, index):
        if index == 0:
            self.validatorLineEdit.setValidator(0)
        elif index == 1:
            self.validatorLineEdit.setValidator(QIntValidator(self.validatorLineEdit))
        elif index == 2:
            self.validatorLineEdit.setValidator(QDoubleValidator(-999.0, 999.0, 2, self.validatorLineEdit))

        self.validatorLineEdit.clear()
项目：BATS-Bayesian-Adaptive-Trial-Simulator    作者：ContaTP    | 项目源码 | 文件源码 
def validate(self, input, pos):

        state, input, pos = QtGui.QDoubleValidator.validate(self, input, pos)
        if state == QtGui.QValidator.Invalid:

            QtWidgets.QApplication.beep()
            return (QtGui.QValidator.Invalid, input, pos)

        elif state == QtGui.QValidator.Intermediate:

            return (QtGui.QValidator.Intermediate, input, pos)

        if pos == 1:

            try: 

                if float(str(input)) > 1:

                    QtWidgets.QApplication.beep()
                    return (QtGui.QValidator.Invalid, input, pos)

            except:

                QtWidgets.QApplication.beep()
                return (QtGui.QValidator.Invalid, input, pos)

        elif pos == 2:

            if not str(input)[pos-1] == ".":

                QtWidgets.QApplication.beep() 
                return (QtGui.QValidator.Invalid, input, pos)

        elif pos > 2:

            try:

                if  float(str(input)) > 1:

                    QtWidgets.QApplication.beep() 
                    return (QtGui.QValidator.Invalid, input, pos)

            except:

                QtWidgets.QApplication.beep()
                return (QtGui.QValidator.Invalid, input, pos)

        return (QtGui.QValidator.Acceptable, input, pos)



# Validator for integers
项目：BATS-Bayesian-Adaptive-Trial-Simulator    作者：ContaTP    | 项目源码 | 文件源码 
def validate(self, input, pos):

        state, input, pos = QtGui.QDoubleValidator.validate(self, input, pos)
        if state == QtGui.QValidator.Invalid:

            QtWidgets.QApplication.beep()
            return (QtGui.QValidator.Invalid, input, pos)

        elif state == QtGui.QValidator.Intermediate:

            return (QtGui.QValidator.Intermediate, input, pos)

        if pos == 1:

            try: 

                if float(str(input)) > 4:

                    QtWidgets.QApplication.beep() 
                    return (QtGui.QValidator.Invalid, input, pos)

            except:

                QtWidgets.QApplication.beep() 
                return (QtGui.QValidator.Invalid, input, pos)

        elif pos == 2:

            if not str(input)[pos-1] == ".":

                QtWidgets.QApplication.beep() 
                return (QtGui.QValidator.Invalid, input, pos)

        elif pos > 2:

            try:

                if  float(str(input)) >= 4:

                    QtWidgets.QApplication.beep()  
                    return (QtGui.QValidator.Invalid, input, pos)

            except:

                QtWidgets.QApplication.beep()    
                return (QtGui.QValidator.Invalid, input, pos)

        return (QtGui.QValidator.Acceptable, input, pos)



# Validator for table entry, rewrite the table
项目：crispy    作者：mretegan    | 项目源码 | 文件源码 
def setUi(self):
        self.temperatureLineEdit.setValidator(QDoubleValidator(self))
        self.magneticFieldLineEdit.setValidator(QDoubleValidator(self))

        self.e1MinLineEdit.setValidator(QDoubleValidator(self))
        self.e1MaxLineEdit.setValidator(QDoubleValidator(self))
        self.e1NPointsLineEdit.setValidator(QIntValidator(self))
        self.e1LorentzianLineEdit.setValidator(QDoubleValidator(self))
        self.e1GaussianLineEdit.setValidator(QDoubleValidator(self))

        self.e2MinLineEdit.setValidator(QDoubleValidator(self))
        self.e2MaxLineEdit.setValidator(QDoubleValidator(self))
        self.e2NPointsLineEdit.setValidator(QIntValidator(self))
        self.e2LorentzianLineEdit.setValidator(QDoubleValidator(self))
        self.e2GaussianLineEdit.setValidator(QDoubleValidator(self))

        self.nPsisLineEdit.setValidator(QIntValidator(self))
        self.fkLineEdit.setValidator(QDoubleValidator(self))
        self.gkLineEdit.setValidator(QDoubleValidator(self))
        self.zetaLineEdit.setValidator(QDoubleValidator(self))

        # Create the results model and assign it to the view.
        self.resultsModel = ListModel()

        self.resultsView.setModel(self.resultsModel)
        self.resultsView.setSelectionMode(QAbstractItemView.ExtendedSelection)
        self.resultsView.selectionModel().selectionChanged.connect(
            self.selectedCalculationsChanged)
        # Add a context menu.
        self.resultsView.setContextMenuPolicy(Qt.CustomContextMenu)
        self.createResultsContextMenu()
        self.resultsView.customContextMenuRequested[QPoint].connect(
            self.showResultsContextMenu)

        # Enable actions.
        self.elementComboBox.currentTextChanged.connect(self.resetCalculation)
        self.chargeComboBox.currentTextChanged.connect(self.resetCalculation)
        self.symmetryComboBox.currentTextChanged.connect(self.resetCalculation)
        self.experimentComboBox.currentTextChanged.connect(
            self.resetCalculation)
        self.edgeComboBox.currentTextChanged.connect(self.resetCalculation)

        self.magneticFieldLineEdit.editingFinished.connect(
            self.updateMagneticField)

        self.e1GaussianLineEdit.editingFinished.connect(self.updateBroadening)
        self.e2GaussianLineEdit.editingFinished.connect(self.updateBroadening)

        self.kinLineEdit.editingFinished.connect(self.updateIncidentWaveVector)
        self.einLineEdit.editingFinished.connect(
            self.updateIncidentPolarizationVector)

        self.nPsisAutoCheckBox.toggled.connect(self.updateNPsisLineEditState)
        self.fkLineEdit.editingFinished.connect(self.updateScalingFactors)
        self.gkLineEdit.editingFinished.connect(self.updateScalingFactors)
        self.zetaLineEdit.editingFinished.connect(self.updateScalingFactors)

        self.saveInputAsPushButton.clicked.connect(self.saveInputAs)
        self.calculationPushButton.clicked.connect(self.runCalculation)