How to implement the input drop-down box

# compose-desktop

[姜尚]

How to implement the input drop-down box

[Adam Brown]

actually just wrote one last night, I can post my code when I get back to my computer in about an hour

[Adam Brown]

https://gist.github.com/Wavesonics/e3d5c122b7aed3a6114c33a2dcb8719c