def createBottomRightGroupBox(self):
self.bottomRightGroupBox = QGroupBox("Group 3")
self.bottomRightGroupBox.setCheckable(True)
self.bottomRightGroupBox.setChecked(True)
lineEdit = QLineEdit('s3cRe7')
lineEdit.setEchoMode(QLineEdit.Password)
spinBox = QSpinBox(self.bottomRightGroupBox)
spinBox.setValue(50)
dateTimeEdit = QDateTimeEdit(self.bottomRightGroupBox)
dateTimeEdit.setDateTime(QDateTime.currentDateTime())
slider = QSlider(Qt.Horizontal, self.bottomRightGroupBox)
slider.setValue(40)
scrollBar = QScrollBar(Qt.Horizontal, self.bottomRightGroupBox)
scrollBar.setValue(60)
dial = QDial(self.bottomRightGroupBox)
dial.setValue(30)
dial.setNotchesVisible(True)
layout = QGridLayout()
layout.addWidget(lineEdit, 0, 0, 1, 2)
layout.addWidget(spinBox, 1, 0, 1, 2)
layout.addWidget(dateTimeEdit, 2, 0, 1, 2)
layout.addWidget(slider, 3, 0)
layout.addWidget(scrollBar, 4, 0)
layout.addWidget(dial, 3, 1, 2, 1)
layout.setRowStretch(5, 1)
self.bottomRightGroupBox.setLayout(layout)
class PowerBar(QWidget):
"""Custom Qt Widget to show a power bar and dial.
Left-clicking the button shows the color-chooser, while
right-clicking resets the color to None (no-color)."""
colorChanged = QtCore.Signal()
def __init__(self, steps: Union[int, List[AllowedColorType]] = 5) -> None:
super().__init__()
layout = QVBoxLayout()
self._bar = _Bar(steps)
layout.addWidget(self._bar)
# Create the QDial widget and set up defaults.
# - we provide accessors on this class to override.
self._dial = QDial()
self._dial.setNotchesVisible(True)
self._dial.setWrapping(False)
self._dial.valueChanged.connect(self._bar._trigger_refresh)
# Take feedback from click events on the meter.
self._bar.clickedValue.connect(self._dial.setValue)
layout.addWidget(self._dial)
self.setLayout(layout)
def __getattr__(self, name: str) -> Any:
if name in self.__dict__:
return self[name]
else:
return getattr(self._dial, name)
def setColor(self, color: AllowedColorType) -> None:
self._bar.steps = [color] * self._bar.n_steps
self._bar.update()
def setColors(self, colors: List[AllowedColorType]) -> None:
self._bar.n_steps = len(colors)
self._bar.steps = colors
self._bar.update()
def setBarPadding(self, i: float) -> None:
self._bar._padding = int(i)
self._bar.update()
def setBarSolidPercent(self, f: float) -> None:
self._bar._bar_solid_percent = float(f)
self._bar.update()
def setBackgroundColor(self, color: AllowedColorType) -> None:
self._bar._background_color = QtGui.QColor(color)
self._bar.update()
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()