Hi,
I am writing a custom view for a simple data model and need to have a
custom widget change it's background colour when it's associated
QStandardItem has a certain attribute.
I thought I'd simply subclass QStandardItem, give it the custom
attribute, e.g. isSelected, then a method called setSelected() which
sets the attribute's value and emits a selectionChanged signal, to which
I can connect the associated widget's slot that changes the background
colour.
So this is what I have for the item:
class ElemItem(QtGui.QStandardItem):
selectionChanged = QtCore.Signal(bool)
def __init__(self, elementData):
super(ElemItem, self).__init__(elementData)
self.isSelected = False
self.filePath = elementData
def setSelected(self, selected):
self.isSelected = selected
selectionChanged.emit(selected)
However, since QStandardItem doesn't inherit QObject it doesn't seem to
be able to emit a signal. When I try something like this in the widget:
self.item.selectionChanged.connect(self.markAsSelected)
I get this error:
AttributeError: 'PySide.QtCore.Signal' object has no attribute 'connect'
Is this the entirely wrong way of achieving what I'm after?
I can achieve what I'm after in other ways but would like to understand
this hiccup before moving on, so any input would be welcome.
Cheers,
frank
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