class ExtendedComboBox(QComboBox):
setItems = Signal(list)
def __init__(self, parent=None):
super(ExtendedComboBox, self).__init__(parent)
self.setFocusPolicy(Qt.StrongFocus)
self.setEditable(True)
# add a filter model to filter matching items
self.filter_model = QSortFilterProxyModel(self)
self.filter_model.setFilterCaseSensitivity(Qt.CaseInsensitive)
self.filter_model.setSourceModel(self.model())
# add a completer, which uses the filter model
self.completer = QCompleter(self.filter_model, self)
# always show all (filtered) completions
self.completer.setCompletionMode(QCompleter.UnfilteredPopupCompletion)
self.setCompleter(self.completer)
# connect signals
self.lineEdit().textEdited[str].connect(
self.filter_model.setFilterFixedString)
self.completer.activated.connect(self.on_completer_activated)
self.setItems.connect(self.onSetItems)
# on selection of an item from the completer, select the corresponding item from combobox
def on_completer_activated(self, text):
if text:
index = self.findText(text)
self.setCurrentIndex(index)
# on model change, update the models of the filter and completer as well
def setModel(self, model):
super(ExtendedComboBox, self).setModel(model)
self.filter_model.setSourceModel(model)
self.completer.setModel(self.filter_model)
# on model column change, update the model column of the filter and completer as well
def setModelColumn(self, column):
self.completer.setCompletionColumn(column)
self.filter_model.setFilterKeyColumn(column)
super(ExtendedComboBox, self).setModelColumn(column)
@Slot(list)
def onSetItems(self, items):
self.clear()
self.addItems(items)
class ExtendedComboBox(QComboBox):
setItems = Signal(list)
def __init__(self, parent=None):
super(ExtendedComboBox, self).__init__(parent)
self.setFocusPolicy(Qt.StrongFocus)
self.setEditable(True)
# add a filter model to filter matching items
self.filter_model = QSortFilterProxyModel(self)
self.filter_model.setFilterCaseSensitivity(Qt.CaseInsensitive)
self.filter_model.setSourceModel(self.model())
# add a completer, which uses the filter model
self.completer = QCompleter(self.filter_model, self)
# always show all (filtered) completions
self.completer.setCompletionMode(QCompleter.UnfilteredPopupCompletion)
self.setCompleter(self.completer)
# connect signals
self.lineEdit().textEdited[str].connect(self.filter_model.setFilterFixedString)
self.completer.activated.connect(self.on_completer_activated)
self.setItems.connect(self.onSetItems)
# on selection of an item from the completer, select the corresponding item from combobox
def on_completer_activated(self, text):
if text:
index = self.findText(text)
self.setCurrentIndex(index)
# on model change, update the models of the filter and completer as well
def setModel(self, model):
super(ExtendedComboBox, self).setModel(model)
self.filter_model.setSourceModel(model)
self.completer.setModel(self.filter_model)
# on model column change, update the model column of the filter and completer as well
def setModelColumn(self, column):
self.completer.setCompletionColumn(column)
self.filter_model.setFilterKeyColumn(column)
super(ExtendedComboBox, self).setModelColumn(column)
@Slot(list)
def onSetItems(self, items):
self.clear()
self.addItems(items)
