sliders.py 文件源码

def createControls(self, title):
        self.controlsGroup = QGroupBox(title)

        minimumLabel = QLabel("Minimum value:")
        maximumLabel = QLabel("Maximum value:")
        valueLabel = QLabel("Current value:")

        invertedAppearance = QCheckBox("Inverted appearance")
        invertedKeyBindings = QCheckBox("Inverted key bindings")

        self.minimumSpinBox = QSpinBox()
        self.minimumSpinBox.setRange(-100, 100)
        self.minimumSpinBox.setSingleStep(1)

        self.maximumSpinBox = QSpinBox()
        self.maximumSpinBox.setRange(-100, 100)
        self.maximumSpinBox.setSingleStep(1)

        self.valueSpinBox = QSpinBox()
        self.valueSpinBox.setRange(-100, 100)
        self.valueSpinBox.setSingleStep(1)

        orientationCombo = QComboBox()
        orientationCombo.addItem("Horizontal slider-like widgets")
        orientationCombo.addItem("Vertical slider-like widgets")

        orientationCombo.activated.connect(self.stackedWidget.setCurrentIndex)
        self.minimumSpinBox.valueChanged.connect(self.horizontalSliders.setMinimum)
        self.minimumSpinBox.valueChanged.connect(self.verticalSliders.setMinimum)
        self.maximumSpinBox.valueChanged.connect(self.horizontalSliders.setMaximum)
        self.maximumSpinBox.valueChanged.connect(self.verticalSliders.setMaximum)
        invertedAppearance.toggled.connect(self.horizontalSliders.invertAppearance)
        invertedAppearance.toggled.connect(self.verticalSliders.invertAppearance)
        invertedKeyBindings.toggled.connect(self.horizontalSliders.invertKeyBindings)
        invertedKeyBindings.toggled.connect(self.verticalSliders.invertKeyBindings)

        controlsLayout = QGridLayout()
        controlsLayout.addWidget(minimumLabel, 0, 0)
        controlsLayout.addWidget(maximumLabel, 1, 0)
        controlsLayout.addWidget(valueLabel, 2, 0)
        controlsLayout.addWidget(self.minimumSpinBox, 0, 1)
        controlsLayout.addWidget(self.maximumSpinBox, 1, 1)
        controlsLayout.addWidget(self.valueSpinBox, 2, 1)
        controlsLayout.addWidget(invertedAppearance, 0, 2)
        controlsLayout.addWidget(invertedKeyBindings, 1, 2)
        controlsLayout.addWidget(orientationCombo, 3, 0, 1, 3)
        self.controlsGroup.setLayout(controlsLayout)