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feat(core): forcing the letter to always change after selection in T2B1 recovery

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grdddj 2023-09-21 15:19:50 +02:00 committed by Jiří Musil
parent 5ab4f1a45a
commit a3f137d488
1 changed files with 38 additions and 8 deletions
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46
core/embed/rust/src/ui/model_tr/component/input_methods/wordlist.rs
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@ -157,19 +157,49 @@ where
ChoiceFactoryWordlist::new(self.wordlist_type, self.textbox.content())
}
fn get_last_textbox_letter(&self) -> Option<char> {
self.textbox.content().chars().last()
}
fn get_new_page_counter(&self, new_choices: &ChoiceFactoryWordlist) -> usize {
// Starting at the random position in case of letters and at the beginning in
// case of words.
if self.offer_words {
INITIAL_PAGE_COUNTER
} else {
let choices_count = <ChoiceFactoryWordlist as ChoiceFactory<T>>::count(new_choices);
// There should be always DELETE and at least one letter
assert!(choices_count > 1);
if choices_count == 2 {
// In case there is only DELETE and one letter, starting on that letter
// (regardless of the last letter in the textbox)
return INITIAL_PAGE_COUNTER;
}
// We do not want to end up at the same letter as the last one in the textbox
loop {
let random_position = get_random_position(choices_count);
let current_action =
<ChoiceFactoryWordlist as ChoiceFactory<T>>::get(new_choices, random_position)
.1;
if let WordlistAction::Letter(current_letter) = current_action {
if let Some(last_letter) = self.get_last_textbox_letter() {
if current_letter == last_letter {
// Randomly trying again when the last and current letter match
continue;
}
}
}
break random_position;
}
}
}
/// Updates the whole page.
fn update(&mut self, ctx: &mut EventCtx) {
self.update_chosen_letters(ctx);
let new_choices = self.get_current_choices();
self.offer_words = new_choices.offer_words;
// Starting at the random position in case of letters and at the beginning in
// case of words
let new_page_counter = if self.offer_words {
INITIAL_PAGE_COUNTER
} else {
let choices_count = <ChoiceFactoryWordlist as ChoiceFactory<T>>::count(&new_choices);
get_random_position(choices_count)
};
let new_page_counter = self.get_new_page_counter(&new_choices);
// Not using carousel in case of words, as that looks weird in case
// there is only one word to choose from.
self.choice_page