[Feature Request]: Scroll for webtoon mode

[dajotim937]

Preflight Checklist

• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Describe your suggested feature

For manga, when you scroll pages with arrow buttons scroll is limited inside one page unless you scroll to next page. Which mean that you can see 70% of page from top, click down arrow button on keyboard and you will be able to see 70% of page from middle till end page (30-100% of page will showed on screen).
Same logic applies to webtoon reading mode. However not all webtoons are split between frames. Many of them are split in the middle of frame so it doesn't make much sence to limit scroll inside "page".
For webtoon probably would be better to have same scroll size without taking into account "pages", because webtoon in essence is one long strip.
Also probably would be better to have like 90% of height reading area as scroll size for webtoon instead of scrolling full screen.

Additional Information

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Sample file

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[ollm]

Thanks for the suggestion!

I have added it in 9a86a30, with this, if the webtoon mode is enabled, the scroll always moves 70 percent of the available height.

Build: https://mega.nz/file/PGx1XAAQ#WOVnF0beibIjoUSkDdTo8Qcqbccak98D2sC7W9WUaiw