feat: add an option to render whitespace in the diff and editor views

[mwerle]

UPDATE 2024-05-08 Refactored the PR; code changes have been minimised and commits have been merged where it made logical sense.

DESCRIPTION:

This PR adds an option to the "Editor" configuration tab to show whitespace. When this option is checked, whitespace is rendered in the diff and blame editor views. This can be very useful to see incorrect whitespaces (eg tabs vs spaces) when viewing diffs prior to committing files.

ASSOCIATED EDITS:

The translation files were updated to match the updated source files (using the CMake script).

A new translation entry was added for the new configuration option, and the german translation added.

ISSUES:

• Fixed. When changing the option, the editor view is not refreshed with the new setting. The same issue occurs with the "Blame margin" setting; all other options refresh the views as soon as they are changed. Unsure why some work and others don't as they all use the same underlying APIs.

QUESTIONS:

1. Is the option path "editor/view/showWhitespace" ok or should another path be used?
2. fixed should some/all of these commits be squashed prior to merging?

[mwerle]

Just noticed, when rebasing, I lost/accidentally merged 2 commits.

I initially showed EOL marks as well, but they are quite intrusive. I didn't investigate to see if alternate, less intrusive, glyphs can be shown in Scintilla and instead disabled showing EOL marks. This was a separate commit.

This merged commit is af75f39570947794f68c7ce5b21dae9f9d6940b4

[Murmele]

I have this macos problem now as well

[Murmele]

Can you rebase? I think I fixed the macos problem. For some reason macos 14 does not work

[lonix1]

Is this related to https://github.com/Murmele/Gittyup/issues/603 ?

[mwerle]

Is this related to #603 ?

No it wasn't; it was purely because I recently had some issues with different types of whitespace in some source files and I like to be able to visualise it to see what's going on. Being told there's a difference but not seeing what that difference actually is makes it difficult to fix..

603 sounds like it's a feature-request to make it easier to toggle whitespace significance for diffs; ie, instead of in settings, to have a button or menu item.

[lonix1]

to be able to visualise it to see what's going on.

Yes this is driving me nuts too! :)

I was wondering what this PR does because I'm using not using the dev release, I thought maybe they're related. Regardless, it seems like a good addition from what I've read above - thanks for working on it!

[mwerle]

Pictures paint a thousand words ;)

Default (whitespace hidden):

New option selected (whitespace shown):

[lonix1]

Ooooh... those little dots? Very nice!

[mwerle]

And arrows for tabs, I felt the EOL marker was too intrusive, but have since read that it's possible to override the glyph. Still, not a big requirement for me so left it off for now.