allow copying alt text from images

[igalic]

It's possible to fold out alt text from images, but it's not real text as it cannot be copied.

When following people who speak (many) different languages, it's convenient to copy the things they say to paste them into a translation engine

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• Tusky Version: 14.0

• Android Version: 10

• Android Device: One Plus 5t

• Mastodon instance (if applicable): cathode.church

• [x] I searched or browsed the repo’s other issues to ensure this is not a duplicate.

[stopregionblocking]

Came to open this same issue and almost submitted before searching again. Had used the language of "media descriptions" instead of alt text.

Tusky Version 19 Android Version 8

[jsoref]

I haven't discovered how to expand alt text. As alt text can be considerably longer than post bodies, a small info bubble isn't enough...

Sample: https://mastodon.social/@jsoref/109308434825452481

Basically, I was here: And couldn't figure out how to get to here:

In case anyone wonders, the trick is a simple tap on the image in the feed to open the individual image, and then slowly drag the caption drawer up from the top—you drag too quickly, it'll snap back to the bottom and you get to start all over.