def __init__(self):
QtGui.QWidget.__init__(self)
self.start_spinbox = QtGui.QSpinBox()
self.end_spinbox = QtGui.QSpinBox()
self.slider = QSpanSlider(QtCore.Qt.Horizontal)
# Fill background to avoid to see text or widget behind
self.setAutoFillBackground(True)
AbstractIntRangeWidget.__init__(self)
# To be compatible with tree or table views, slider must keep focus
self.slider.setFocusPolicy(QtCore.Qt.StrongFocus)
self.setMinimumHeight(22)
self.start_spinbox.setMinimumHeight(18)
self.end_spinbox.setMinimumHeight(18)
self.slider.setMinimumHeight(18)
self.slider.lowerPositionChanged.connect(self.start_spinbox.setValue)
self.slider.lowerPositionChanged.connect(self.end_spinbox.setMinimum)
self.slider.upperPositionChanged.connect(self.end_spinbox.setValue)
self.slider.upperPositionChanged.connect(self.start_spinbox.setMaximum)
self.start_spinbox.valueChanged.connect(self.slider.setLowerValue)
self.end_spinbox.valueChanged.connect(self.slider.setUpperValue)
self.start_spinbox.valueChanged.connect(self.end_spinbox.setMinimum)
self.end_spinbox.valueChanged.connect(self.start_spinbox.setMaximum)
self.start_spinbox.valueChanged.connect(self.notify_start_value_changed)
self.end_spinbox.valueChanged.connect(self.notify_end_value_changed)
self.slider.spanChanged.connect(self.notify_value_changed)
layout = QtGui.QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.start_spinbox)
layout.addWidget(self.slider)
layout.addWidget(self.end_spinbox)
self.value_changed_signal = self.valueChanged
class IntRangeSlider(QtGui.QWidget, AbstractIntRangeWidget):
valueChanged = QtCore.Signal(tuple)
def __init__(self):
QtGui.QWidget.__init__(self)
self.start_spinbox = QtGui.QSpinBox()
self.end_spinbox = QtGui.QSpinBox()
self.slider = QSpanSlider(QtCore.Qt.Horizontal)
# Fill background to avoid to see text or widget behind
self.setAutoFillBackground(True)
AbstractIntRangeWidget.__init__(self)
# To be compatible with tree or table views, slider must keep focus
self.slider.setFocusPolicy(QtCore.Qt.StrongFocus)
self.setMinimumHeight(22)
self.start_spinbox.setMinimumHeight(18)
self.end_spinbox.setMinimumHeight(18)
self.slider.setMinimumHeight(18)
self.slider.lowerPositionChanged.connect(self.start_spinbox.setValue)
self.slider.lowerPositionChanged.connect(self.end_spinbox.setMinimum)
self.slider.upperPositionChanged.connect(self.end_spinbox.setValue)
self.slider.upperPositionChanged.connect(self.start_spinbox.setMaximum)
self.start_spinbox.valueChanged.connect(self.slider.setLowerValue)
self.end_spinbox.valueChanged.connect(self.slider.setUpperValue)
self.start_spinbox.valueChanged.connect(self.end_spinbox.setMinimum)
self.end_spinbox.valueChanged.connect(self.start_spinbox.setMaximum)
self.start_spinbox.valueChanged.connect(self.notify_start_value_changed)
self.end_spinbox.valueChanged.connect(self.notify_end_value_changed)
self.slider.spanChanged.connect(self.notify_value_changed)
layout = QtGui.QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.start_spinbox)
layout.addWidget(self.slider)
layout.addWidget(self.end_spinbox)
self.value_changed_signal = self.valueChanged
def reset(self, value=(0, 255), minimum=None, maximum=None, **kwargs):
if minimum is not None:
self.slider.setMinimum(minimum)
self.start_spinbox.setMinimum(minimum)
if maximum is not None:
self.slider.setMaximum(maximum)
self.end_spinbox.setMaximum(maximum)
self.start_spinbox.setMaximum(value[1])
self.end_spinbox.setMinimum(value[0])
self.setValue(value)
def apply(self, control):
AbstractQtControlWidget.apply(self, control)
control.interface.min = self.slider.minimum()
control.interface.max = self.slider.maximum()
control.value = self.value()
def value(self, interface=None):
return (self.slider.lowerValue(), self.slider.upperValue())
def setValue(self, value):
self.slider.setSpan(value[0], value[1])
self.start_spinbox.setValue(value[0])
self.start_spinbox.setMaximum(value[1])
self.end_spinbox.setValue(value[1])
self.end_spinbox.setMinimum(value[0])
def notify_value_changed(self, lower_value, upper_value):
self.valueChanged.emit((lower_value, upper_value))
def notify_start_value_changed(self, value):
self.valueChanged.emit((value, self.end_spinbox.value()))
def notify_end_value_changed(self, value):
self.valueChanged.emit((self.start_spinbox.value(), value))
def __init__(self):
QSpanSlider.__init__(self)
AbstractIntRangeWidget.__init__(self)
self.spanChanged.connect(self.notify_value_changed)
self.value_changed_signal = self.valueChanged