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pyqt5 combobox search

Louis Wong answered on August 22, 2022 Popularity 5/10 Helpfulness 2/10

answer pyqt5 combobox search

pyqt5 combobox search

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#!/usr/bin/python
    
    import sys
    
    from PyQt5.QtWidgets import QComboBox, QApplication, QCompleter
    from PyQt5.QtCore import QSortFilterProxyModel, Qt
    from PyQt5.Qt import QStringListModel
    
    
    class ExtendedComboBox(QComboBox):
        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.pFilterModel = QSortFilterProxyModel(self)
            self.pFilterModel.setFilterCaseSensitivity(Qt.CaseInsensitive)
            self.pFilterModel.setSourceModel(self.model())
    
            # add a completer, which uses the filter model
            self.completer = QCompleter(self.pFilterModel, self)
            # always show all (filtered) completions
            self.completer.setCompletionMode(QCompleter.UnfilteredPopupCompletion)
            self.setCompleter(self.completer)
    
            # connect signals
            self.lineEdit().textEdited[str].connect(self.pFilterModel.setFilterFixedString)
            self.completer.activated.connect(self.on_completer_activated)
    
    
        # 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)
                self.activated[str].emit(self.itemText(index))
    
    
        # on model change, update the models of the filter and completer as well
        def setModel(self, model):
            super(ExtendedComboBox, self).setModel(model)
            self.pFilterModel.setSourceModel(model)
            self.completer.setModel(self.pFilterModel)
    
    
        # on model column change, update the model column of the filter and completer as well
        def setModelColumn(self, column):
            self.completer.setCompletionColumn(column)
            self.pFilterModel.setFilterKeyColumn(column)
            super(ExtendedComboBox, self).setModelColumn(column)
    
    
    
    if __name__ == "__main__":
    
    
        app = QApplication(sys.argv)
    
        string_list = ['hola muchachos', 'adios amigos', 'hello world', 'good bye']
    
        combo = ExtendedComboBox()
    
        # either fill the standard model of the combobox
        combo.addItems(string_list)
    
        # or use another model
        #combo.setModel(QStringListModel(string_list))
    
        combo.resize(300, 40)
        combo.show()
    
        sys.exit(app.exec_())

Popularity 5/10 Helpfulness 2/10 Language python

Source: stackoverflow.com

Tags: combobox pyqt5 python search

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Contributed on Aug 22 2022

Louis Wong

0 Answers Avg Quality 2/10

pyqt5 combobox search

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