Example

use egui_autocomplete::AutoCompleteTextEdit;
struct AutoCompleteExample {
  // User entered text
  text: String,
  // A list of strings to search for completions
  inputs: Vec<String>,
}

impl AutoCompleteExample {
  fn update(&mut self, _ctx: &egui::Context, ui: &mut egui::Ui) {
    ui.add(AutoCompleteTextEdit::new(
       &mut self.text,
       &self.inputs,
    ));
  }
}

egui_autocomplete

An extension to the egui::TextEdit that allows for a dropdown box with autocomplete to popup while typing.
You can select the suggestions with arrows keys + enter/tab or mouse clicks.

View web example here

To enable egui persistence, enable the serde feature