Python QDial.setValue方法代码示例

# 需要导入模块: from PyQt5.QtWidgets import QDial [as 别名]
# 或者: from PyQt5.QtWidgets.QDial import setValue [as 别名]
    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)

# 需要导入模块: from PyQt5.QtWidgets import QDial [as 别名]
# 或者: from PyQt5.QtWidgets.QDial import setValue [as 别名]
    def setValue(self, value):
        if self.fRealValue == value:
            return

        self.fRealValue = value
        normValue = float(value - self.fMinimum) / float(self.fMaximum - self.fMinimum)
        QDial.setValue(self, int(normValue * 10000))

# 需要导入模块: from PyQt5.QtWidgets import QDial [as 别名]
# 或者: from PyQt5.QtWidgets.QDial import setValue [as 别名]
    def __init__(self, parent, index=0):
        QDial.__init__(self, parent)

        self.fMinimum   = 0.0
        self.fMaximum   = 1.0
        self.fRealValue = 0.0

        self.fIsHovered = False
        self.fHoverStep = self.HOVER_MIN

        self.fIndex     = index
        self.fPixmap    = QPixmap(":/bitmaps/dial_01d.png")
        self.fPixmapNum = "01"

        if self.fPixmap.width() > self.fPixmap.height():
            self.fPixmapOrientation = self.HORIZONTAL
        else:
            self.fPixmapOrientation = self.VERTICAL

        self.fLabel     = ""
        self.fLabelPos  = QPointF(0.0, 0.0)
        self.fLabelFont = QFont(self.font())
        self.fLabelFont.setPointSize(6)
        self.fLabelWidth  = 0
        self.fLabelHeight = 0

        if self.palette().window().color().lightness() > 100:
            # Light background
            c = self.palette().dark().color()
            self.fLabelGradientColor1 = c
            self.fLabelGradientColor2 = QColor(c.red(), c.green(), c.blue(), 0)
            self.fLabelGradientColorT = [self.palette().buttonText().color(), self.palette().mid().color()]
        else:
            # Dark background
            self.fLabelGradientColor1 = QColor(0, 0, 0, 255)
            self.fLabelGradientColor2 = QColor(0, 0, 0, 0)
            self.fLabelGradientColorT = [Qt.white, Qt.darkGray]

        self.fLabelGradient = QLinearGradient(0, 0, 0, 1)
        self.fLabelGradient.setColorAt(0.0, self.fLabelGradientColor1)
        self.fLabelGradient.setColorAt(0.6, self.fLabelGradientColor1)
        self.fLabelGradient.setColorAt(1.0, self.fLabelGradientColor2)

        self.fLabelGradientRect = QRectF(0.0, 0.0, 0.0, 0.0)

        self.fCustomPaintMode  = self.CUSTOM_PAINT_MODE_NULL
        self.fCustomPaintColor = QColor(0xff, 0xff, 0xff)

        self.updateSizes()

        # Fake internal value, 10'000 precision
        QDial.setMinimum(self, 0)
        QDial.setMaximum(self, 10000)
        QDial.setValue(self, 0)

        self.valueChanged.connect(self.slot_valueChanged)

# 需要导入模块: from PyQt5.QtWidgets import QDial [as 别名]
# 或者: from PyQt5.QtWidgets.QDial import setValue [as 别名]
    def setValue(self, value, emitSignal=False):
        if self.fRealValue == value:
            return

        if value <= self.fMinimum:
            qtValue = 0
            self.fRealValue = self.fMinimum

        elif value >= self.fMaximum:
            qtValue = self.fPrecision
            self.fRealValue = self.fMaximum

        else:
            qtValue = round(float(value - self.fMinimum) / float(self.fMaximum - self.fMinimum) * self.fPrecision)
            self.fRealValue = value

        # Block change signal, we'll handle it ourselves
        self.blockSignals(True)
        QDial.setValue(self, qtValue)
        self.blockSignals(False)

        if emitSignal:
            self.realValueChanged.emit(self.fRealValue)

# 需要导入模块: from PyQt5.QtWidgets import QDial [as 别名]
# 或者: from PyQt5.QtWidgets.QDial import setValue [as 别名]
class MainWindow(QMainWindow):

    """Voice Changer main window."""

    def __init__(self, parent=None):
        super(MainWindow, self).__init__()
        self.statusBar().showMessage("Move Dial to Deform Microphone Voice !.")
        self.setWindowTitle(__doc__)
        self.setMinimumSize(240, 240)
        self.setMaximumSize(480, 480)
        self.resize(self.minimumSize())
        self.setWindowIcon(QIcon.fromTheme("audio-input-microphone"))
        self.tray = QSystemTrayIcon(self)
        self.center()
        QShortcut("Ctrl+q", self, activated=lambda: self.close())
        self.menuBar().addMenu("&File").addAction("Quit", lambda: exit())
        self.menuBar().addMenu("Sound").addAction(
            "STOP !", lambda: call('killall rec', shell=True))
        windowMenu = self.menuBar().addMenu("&Window")
        windowMenu.addAction("Hide", lambda: self.hide())
        windowMenu.addAction("Minimize", lambda: self.showMinimized())
        windowMenu.addAction("Maximize", lambda: self.showMaximized())
        windowMenu.addAction("Restore", lambda: self.showNormal())
        windowMenu.addAction("FullScreen", lambda: self.showFullScreen())
        windowMenu.addAction("Center", lambda: self.center())
        windowMenu.addAction("Top-Left", lambda: self.move(0, 0))
        windowMenu.addAction("To Mouse", lambda: self.move_to_mouse_position())
        # widgets
        group0 = QGroupBox("Voice Deformation")
        self.setCentralWidget(group0)
        self.process = QProcess(self)
        self.process.error.connect(
            lambda: self.statusBar().showMessage("Info: Process Killed", 5000))
        self.control = QDial()
        self.control.setRange(-10, 20)
        self.control.setSingleStep(5)
        self.control.setValue(0)
        self.control.setCursor(QCursor(Qt.OpenHandCursor))
        self.control.sliderPressed.connect(
            lambda: self.control.setCursor(QCursor(Qt.ClosedHandCursor)))
        self.control.sliderReleased.connect(
            lambda: self.control.setCursor(QCursor(Qt.OpenHandCursor)))
        self.control.valueChanged.connect(
            lambda: self.control.setToolTip(f"<b>{self.control.value()}"))
        self.control.valueChanged.connect(
            lambda: self.statusBar().showMessage(
                f"Voice deformation: {self.control.value()}", 5000))
        self.control.valueChanged.connect(self.run)
        self.control.valueChanged.connect(lambda: self.process.kill())
        # Graphic effect
        self.glow = QGraphicsDropShadowEffect(self)
        self.glow.setOffset(0)
        self.glow.setBlurRadius(99)
        self.glow.setColor(QColor(99, 255, 255))
        self.control.setGraphicsEffect(self.glow)
        self.glow.setEnabled(False)
        # Timer to start
        self.slider_timer = QTimer(self)
        self.slider_timer.setSingleShot(True)
        self.slider_timer.timeout.connect(self.on_slider_timer_timeout)
        # an icon and set focus
        QLabel(self.control).setPixmap(
            QIcon.fromTheme("audio-input-microphone").pixmap(32))
        self.control.setFocus()
        QVBoxLayout(group0).addWidget(self.control)
        self.menu = QMenu(__doc__)
        self.menu.addAction(__doc__).setDisabled(True)
        self.menu.setIcon(self.windowIcon())
        self.menu.addSeparator()
        self.menu.addAction(
            "Show / Hide",
            lambda: self.hide() if self.isVisible() else self.showNormal())
        self.menu.addAction("STOP !", lambda: call('killall rec', shell=True))
        self.menu.addSeparator()
        self.menu.addAction("Quit", lambda: exit())
        self.tray.setContextMenu(self.menu)
        self.make_trayicon()

    def run(self):
        """Run/Stop the QTimer."""
        if self.slider_timer.isActive():
            self.slider_timer.stop()
        self.glow.setEnabled(True)
        call('killall rec ; killall play', shell=True)
        self.slider_timer.start(3000)

    def on_slider_timer_timeout(self):
        """Run subprocess to deform voice."""
        self.glow.setEnabled(False)
        value = int(self.control.value()) * 100
        command = f'play -q -V0 "|rec -q -V0 -n -d -R riaa bend pitch {value} "'
        print(f"Voice Deformation Value: {value}")
        print(f"Voice Deformation Command: {command}")
        self.process.start(command)
        if self.isVisible():
            self.statusBar().showMessage("Minimizing to System TrayIcon", 3000)
            print("Minimizing Main Window to System TrayIcon now...")
            sleep(3)
            self.hide()

#.........这里部分代码省略.........

# 需要导入模块: from PyQt5.QtWidgets import QDial [as 别名]
# 或者: from PyQt5.QtWidgets.QDial import setValue [as 别名]
from PyQt5.QtWidgets import QApplication, QDial


def printValue(value):
    print(value, dial.value())

app = QApplication(sys.argv)

dial = QDial()

#dial.setMinimum(-15)
#dial.setMaximum(15)

dial.setRange(-15, 15)

dial.setNotchesVisible(True)

dial.setValue(5)   # Initial value

dial.valueChanged.connect(printValue)

dial.show()

# The mainloop of the application. The event handling starts from this point.
# The exec_() method has an underscore. It is because the exec is a Python keyword. And thus, exec_() was used instead.
exit_code = app.exec_()

# The sys.exit() method ensures a clean exit.
# The environment will be informed, how the application ended.
sys.exit(exit_code)