User-Interface

[halley]

betancourt, looks like you wanted to start a new thread with that question.

In brief, I would just have a global string variable hold the letters typed so far; whenever you get a keyboard event that's a letter, add it to the string, and whenever you get a keyboard event that's a backspace, remove the last character from the string. If you want to discuss this or other options, consider starting a new thread so it's not confused with this thread's topic.