41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
from pyqtgraph.Qt import QtGui, QtCore
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from pyqtgraph.SignalProxy import SignalProxy
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class ComboBox(QtGui.QComboBox):
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"""Extends QComboBox to add extra functionality.
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- updateList() - updates the items in the comboBox while blocking signals, remembers and resets to the previous values if it's still in the list
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"""
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def __init__(self, parent=None, items=None, default=None):
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QtGui.QComboBox.__init__(self, parent)
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#self.value = default
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if items is not None:
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self.addItems(items)
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if default is not None:
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self.setValue(default)
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def setValue(self, value):
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ind = self.findText(value)
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if ind == -1:
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return
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#self.value = value
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self.setCurrentIndex(ind)
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def updateList(self, items):
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prevVal = str(self.currentText())
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try:
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self.blockSignals(True)
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self.clear()
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self.addItems(items)
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self.setValue(prevVal)
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finally:
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self.blockSignals(False)
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if str(self.currentText()) != prevVal:
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self.currentIndexChanged.emit(self.currentIndex())
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