class MyWidget(QWidget):
def __init__(self):
QWidget.__init__(self)
self.amtLabel = QLabel('Loan Amount')
self.roiLabel = QLabel('Rate of Interest')
self.yrsLabel = QLabel('No. of Years')
self.emiLabel = QLabel('EMI per month')
self.emiValue = QLCDNumber()
self.emiValue.setSegmentStyle(QLCDNumber.Flat)
self.emiValue.setFixedSize(QSize(130, 30))
self.emiValue.setDigitCount(8)
self.amtText = QLineEdit('10000')
self.roiSpin = QSpinBox()
self.roiSpin.setMinimum(1)
self.roiSpin.setMaximum(15)
self.yrsSpin = QSpinBox()
self.yrsSpin.setMinimum(1)
self.yrsSpin.setMaximum(20)
self.roiDial = QDial()
self.roiDial.setNotchesVisible(True)
self.roiDial.setMaximum(15)
self.roiDial.setMinimum(1)
self.roiDial.setValue(1)
self.yrsSlide = QSlider(Qt.Horizontal)
self.yrsSlide.setMaximum(20)
self.yrsSlide.setMinimum(1)
self.calculateButton = QPushButton('Calculate EMI')
self.myGridLayout = QGridLayout()
self.myGridLayout.addWidget(self.amtLabel, 0, 0)
self.myGridLayout.addWidget(self.roiLabel, 1, 0)
self.myGridLayout.addWidget(self.yrsLabel, 2, 0)
self.myGridLayout.addWidget(self.amtText, 0, 1)
self.myGridLayout.addWidget(self.roiSpin, 1, 1)
self.myGridLayout.addWidget(self.yrsSpin, 2, 1)
self.myGridLayout.addWidget(self.roiDial, 1, 2)
self.myGridLayout.addWidget(self.yrsSlide, 2, 2)
self.myGridLayout.addWidget(self.calculateButton, 3, 1)
self.setLayout(self.myGridLayout)
self.setWindowTitle("A simple EMI calculator")
self.roiDial.valueChanged.connect(self.roiSpin.setValue)
self.connect(self.roiSpin, SIGNAL("valueChanged(int)"), self.roiDial.setValue)
self.yrsSlide.valueChanged.connect(self.yrsSpin.setValue)
self.connect(self.yrsSpin, SIGNAL("valueChanged(int)"),self.yrsSlide, SLOT("setValue(int)"))
self.connect(self.calculateButton, SIGNAL("clicked()"),self.showEMI)
def showEMI(self):
loanAmount = float(self.amtText.text())
rateInterest = float(float(self.roiSpin.value() / 12) / 100)
noMonths = int(self.yrsSpin.value() * 12)
emi = (loanAmount * rateInterest) * ((((1 + rateInterest) ** noMonths) / (((1 + rateInterest) ** noMonths) - 1)))
self.emiValue.display(emi)
self.myGridLayout.addWidget(self.emiLabel, 4, 0)
self.myGridLayout.addWidget(self.emiValue, 4, 2)
def initUI(self):
dial = QDial()
dial.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
dial.setNotchesVisible(True)
dial.setMinimum(self.value_min)
dial.setMaximum(self.value_max)
dial.setValue(self.value_old)
dial.valueChanged.connect(lambda: self.dialer_changed(dial, label))
label = QLabel()
self.disp_value(label, self.value_old)
vbox = QVBoxLayout()
vbox.addWidget(dial)
vbox.addWidget(label)
self.setLayout(vbox)
self.show()
def init_item_rotation_layout(item):
current_rotation = item.rotation()
label_layout = QHBoxLayout()
label_layout.addWidget(QLabel("Rotation"))
rotation_value_label = QLabel(str(current_rotation) + " \N{DEGREE SIGN}")
label_layout.addWidget(rotation_value_label)
rotation_layout = QVBoxLayout()
rotation_layout.addLayout(label_layout)
rotation_input = QDial()
rotation_input.setMinimum(0)
rotation_input.setMaximum(359)
rotation_input.setSingleStep(1)
rotation_input.setWrapping(True)
rotation_input.setValue(int(current_rotation))
rotation_input.valueChanged.connect(lambda current_value:
set_item_rotation(
current_value, item,
rotation_value_label))
rotation_layout.addWidget(rotation_input)
return rotation_layout
class Potentiometre(QWidget):
def __init__(self):
'''Class d'initialisation des 3 potentiometres
=> Les fonctions à la fin (knob1,2,3 et ligne1,2,3) permettent de synchroniser la valeur du potentiometre avec le lineEdit
=> dial1 > Translation Z ; dial2 > Rotation Y ; dial3 > Rotation X
'''
QWidget.__init__(self)
self.__restriction1 = QIntValidator(-180, 180)
self.__restriction2 = QDoubleValidator(-10, 10, 2)
A = QFont("DIN Condensed", 70)
self.titre = QLabel("S T L B O A T")
self.titre.setAlignment(QtCore.Qt.AlignCenter | QtCore.Qt.AlignVCenter)
#self.titre.adjustSize()
self.titre.setFont(A)
self.dial1 = QDial()
self.dial1.setValue(0)
self.dial1.setMaximum(100)
self.dial1.setMinimum(-100)
self.dial1.valueChanged.connect(self.knob1)
self.dial2 = QDial()
self.dial2.valueChanged.connect(self.knob2)
self.dial2.setMinimum(-180)
self.dial2.setMaximum(180)
self.dial2.setValue(0)
self.dial3 = QDial()
self.dial3.setMinimum(-180)
self.dial3.setMaximum(180)
self.dial3.setValue(0)
self.dial3.valueChanged.connect(self.knob3)
self.layout = QGridLayout()
self.__lab1 = QLabel('Translation Z (m)')
self.__lab1.setAlignment(QtCore.Qt.AlignCenter
| QtCore.Qt.AlignVCenter)
self.__lab2 = QLabel('Rotation Y (deg)')
self.__lab2.setAlignment(QtCore.Qt.AlignCenter
| QtCore.Qt.AlignVCenter)
self.__lab3 = QLabel('Rotation X (deg)')
self.__lab3.setAlignment(QtCore.Qt.AlignCenter
| QtCore.Qt.AlignVCenter)
self.line1 = QLineEdit()
self.line1.setValidator(self.__restriction2)
self.line1.editingFinished.connect(self.ligne1)
self.line1.setText('0')
self.line2 = QLineEdit()
self.line2.setValidator(self.__restriction1)
self.line2.editingFinished.connect(self.ligne2)
self.line2.setText('0')
self.line3 = QLineEdit()
self.line3.setValidator(self.__restriction1)
self.line3.setText('0')
self.line3.editingFinished.connect(self.ligne3)
self.layout.addWidget(self.titre, 0, 0, 1, 0)
self.layout.addWidget(self.dial1, 1, 0)
self.layout.addWidget(self.dial2, 1, 1)
self.layout.addWidget(self.dial3, 1, 2)
self.layout.addWidget(self.__lab1, 2, 0)
self.layout.addWidget(self.__lab2, 2, 1)
self.layout.addWidget(self.__lab3, 2, 2)
self.layout.addWidget(self.line1, 3, 0)
self.layout.addWidget(self.line2, 3, 1)
self.layout.addWidget(self.line3, 3, 2)
self.setLayout(self.layout)
self.show()
def knob1(self):
self.line1.setText(str(self.dial1.value() / 10))
def knob2(self):
self.line2.setText(str(self.dial2.value()))
def knob3(self):
self.line3.setText(str(self.dial3.value()))
def ligne1(self):
#self.dial1.setValue(int(self.line1.text()))
a = self.line1.text()
#a=str(a.replace(',','.'))
print(a)
self.dial1.setValue(float(a) * 10)
def ligne2(self):
self.dial2.setValue(float(self.line2.text()))
def ligne3(self):
self.dial2.setValue(float(self.line3.text()))