Select an Entry or Add a New One ComboBox

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How to select a specific text entry (or add it if does not exist) in a combo box

The following method acts on a combo box searching for a specified text string and:

  • if the string is present select it
  • if the string is not present add it to the combo box model

In the following piece of code myText is the QString searched for and combo is a reference to the combo box.