def __init__(self, *args, **kwargs):
super(Calculator, self).__init__(*args, **kwargs)
# Single-inheritence approach: http://goo.gl/WNiHc
# Calculator class only inherits from QWidget
# A specific member attribute self.ui contains all
# widgets set up in the designer.
self.ui = Ui_Calculator()
self.ui.setupUi(self)
# Create a validator for each QLineEdit that only
# allows a user to enter floats: 123.123
self.ui.inputA.setValidator(QtGui.QDoubleValidator())
self.ui.inputB.setValidator(QtGui.QDoubleValidator())
# instead of using the stock operator values set in the
# ui file, lets set the box to match our class attribute
self.ui.operatorBox.clear()
self.ui.operatorBox.addItems(self.OPS.keys())
self.ui.clearButton.clicked.connect(self.clear)
# every time the text is edited in either input field,
# calculate the result live
self.ui.inputA.textEdited.connect(self.calc)
self.ui.inputB.textEdited.connect(self.calc)
# also when the operator box is changed
self.ui.operatorBox.currentIndexChanged.connect(self.calc)
def __init__(self, *args, **kwargs):
super(Calculator, self).__init__(*args, **kwargs)
# Single-inheritence approach: http://goo.gl/WNiHc
# Calculator class only inherits from QWidget
# A specific member attribute self.ui contains all
# widgets set up in the designer.
self.ui = Ui_Calculator()
self.ui.setupUi(self)
self.ui.calcButton = QtGui.QPushButton("Calculate")
self.ui.horizontalLayout_2.addWidget(self.ui.calcButton)
# Create a validator for each QLineEdit that only
# allows a user to enter floats: 123.123
self.ui.inputA.setValidator(QtGui.QDoubleValidator())
self.ui.inputB.setValidator(QtGui.QDoubleValidator())
# instead of using the stock operator values set in the
# ui file, lets set the box to match our class attribute
self.ui.operatorBox.clear()
self.ui.operatorBox.addItems(self.OPS.keys())
self.ui.clearButton.clicked.connect(self.clear)
self.ui.calcButton.clicked.connect(self.calc)
