class Demo(QWidget):
def __init__(self):
super(Demo, self).__init__()
# setWindowTitle()方法可以设置窗口标题；
self.setWindowTitle('QDial') # 1
self.dial = QDial(self)
# 实例化一个QDial控件后，通过setFixedSize()方法来固定QDial的大小
# 如果不设置该方法的话，我们会发现在改变表盘数值时，表盘的大小会发生改变；
self.dial.setFixedSize(100, 100) # 2
# 使用setRange()方法来设置表盘数值范围，
# 当然也可以使用setMinimum()和setMaximum()方法；
self.dial.setRange(0, 100) # 3
# setNotchesVisible(True)可以显示刻度，刻度会根据我们设置的数值自动调整；
self.dial.setNotchesVisible(True) # 4
# 当改变表盘数值时，会触发valueChanged信号，在槽函数中我们让QLabel显示出当前表盘数值。
self.dial.valueChanged.connect(self.on_change_func) # 5
self.label = QLabel('0', self)
self.label.setFont(QFont('Arial Black', 0))
self.h_layout = QHBoxLayout()
self.h_layout.addWidget(self.dial)
self.h_layout.addWidget(self.label)
self.setLayout(self.h_layout)
def on_change_func(self):
self.label.setText(str(self.dial.value()))
self.label.setFont(QFont('Arial Black', (int(self.dial.value()) + 10)))
class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
# 윈도우 설정
self.setGeometry(200, 100, 300, 300) # x, y, w, h
self.setWindowTitle('삼인성호')
# QSliter 추가
self.dial = QDial(self)
self.dial.move(10, 10)
self.dial.setFixedSize(100, 100)
self.dial.setRange(0, 100)
self.dial.setMinimum(1)
self.dial.setMaximum(24)
self.dial.setNotchesVisible(True)
self.dial.valueChanged.connect(self.value_changed)
# QSlider 데이터를 표시할 라벨
self.label = QLabel(self)
self.label.setGeometry(10, 120, 200, 100)
self.label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
self.label.setStyleSheet("border-radius: 5px;"
"border: 1px solid gray;"
"background-color: #ffffff")
# 슬라이드 시그널 valueChanged 연결 함수
def value_changed(self, value):
self.label.setText(str(value) + "시")
self.label.setFont(QtGui.QFont("Malgun Gothic", 40)) #폰트,크기 조절
class Demo(QWidget):
def __init__(self):
super(Demo, self).__init__()
self.setWindowTitle('QDial') # 1
self.dial = QDial(self)
self.dial.setFixedSize(100, 100) # 2
self.dial.setRange(0, 100) # 3
self.dial.setNotchesVisible(False) # 4
self.dial.valueChanged.connect(self.on_change_func) # 5
self.label = QLabel('0', self)
self.label.setFont(QFont('Arial Black', 20))
self.h_layout = QHBoxLayout()
self.h_layout.addWidget(self.dial)
self.h_layout.addWidget(self.label)
self.setLayout(self.h_layout)
def on_change_func(self):
self.label.setText(str(self.dial.value()))
class QDialSlider(QWidget, QObject):
'''New signals should only be defined in sub-classes of QObject. They must be part of the class definition and
cannot be dynamically added as class attributes after the class has been defined.'''
trigger = pyqtSignal()
def __init__(self, name, maxV, bipolar=True, parent=None):
super(QDialSlider, self).__init__(parent)
self.overflow = False
self.value = 0.0
if (maxV > 10):
self.slider_multi = 10
else:
self.slider_multi = 100
# Object
self.edit = QDoubleSpinBox()
self.dial = QDial()
self.slider = QSlider(Qt.Horizontal)
self.scale = QScale(maxV, bipolar)
self.layout = self.CreateGroup(name)
self.timer = QtCore.QTimer()
# Property
self.dial.setRange(-10, 10)
self.slider.setTickInterval(100)
self.edit.setSingleStep(0.01)
self.edit.setDecimals(2)
if bipolar:
self.edit.setRange(-maxV, maxV)
self.slider.setRange(int(-maxV * self.slider_multi),
int(maxV * self.slider_multi))
else:
self.edit.setRange(0, maxV)
self.slider.setRange(0, int(maxV * self.slider_multi))
# Event
self.slider.valueChanged.connect(self.SliderChange)
self.edit.valueChanged.connect(self.EditChange)
self.dial.sliderPressed.connect(self.DialPress)
self.dial.sliderReleased.connect(self.DialRelease)
self.timer.timeout.connect(self.onTimer)
def setValue(self, dvalue):
self.value = dvalue
def setOverflow(self):
self.overflow = True
#layout and style
def CreateGroup(self, name):
self.edit.setFixedSize(98, 32)
self.dial.setFixedSize(80, 80)
#self.slider.setTickInterval(10)
self.slider.setFocusPolicy(Qt.StrongFocus)
self.slider.setTickPosition(QSlider.TicksBothSides)
self.edit.setAlignment(Qt.AlignRight)
self.edit.setFont(QFont("Arial", 16))
self.edit.setStyleSheet("color: rgb(36,36,36);")
#layout
hbox1 = QHBoxLayout()
hbox1.addWidget(self.dial)
hbox1.addWidget(self.edit, Qt.AlignCenter)
vbox = QVBoxLayout()
vbox.addLayout(hbox1)
vbox.addWidget(self.scale)
vbox.addWidget(self.slider)
groupBox = QGroupBox(name)
groupBox.setLayout(vbox)
return groupBox
@pyqtSlot()
def SliderChange(self):
if (self.slider.hasFocus()):
val = self.slider.value()
self.edit.setValue(val / self.slider_multi)
#print('SliderChange'+str(val/self.slider_multi))
@pyqtSlot()
def EditChange(self):
val = self.edit.value()
self.slider.setValue(int(val * self.slider_multi))
if (self.overflow):
self.overflow = False
else:
self.trigger.emit()
#print('EditChange'+str(val))
@pyqtSlot()
def DialPress(self):
self.timer.start(100)
#print('DialPress')
@pyqtSlot()
def DialRelease(self):
self.timer.stop()
self.dial.setValue(0)
#print('DialRelease')
def onTimer(self):
delta = self.dial.value()
sign = lambda x: math.copysign(1, x)
delta = sign(delta) * int((10**(abs(delta) / 4)) - 0.5) / 100
self.edit.setValue(self.edit.value() + delta)
