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)