Bug: Missing characters when pasting green square emoji

[alxgnon]

I pasted this text into tiny IRC:
🟩🟩🟩🟩🟩

I got:

For some reason there is only 3 squares instead of 5.

[trevarj]

Ah yes, all multi-width (multi-cell) characters are not rendered properly in the tui. I can take a look at this.

[trevarj]

Leaving this here for later: https://github.com/ridiculousfish/widecharwidth (see generated Rust code).

We can use it to get widths of wide characters (such as 🟩).

[osa1]

Wide character rendering in the message area should be supported, we use unicode_width for that:

tiny/crates/termbox/src/lib.rs

Line 275 in 5bcba53

let cw0 = UnicodeWidthChar::width(back_cell.ch).unwrap_or(1);

Without any investigation, I'm guessing this could be a bug in the input area.

[osa1]

Related: #306

[alxgnon]

Without any investigation, I'm guessing this could be a bug in the input area.

I've seen this bug in the chat log as well. Basically anywhere that there would be 2 consecutive squares, only 1 of them would show up.

Also, if I input one square emoji, and a letter afterwards, the square emoji will "swallow" the letter, in the input field and also in the chat log.