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Use UnitControl for font-size #31314

Merged
merged 5 commits into from
Apr 30, 2021
Merged

Use UnitControl for font-size #31314

merged 5 commits into from
Apr 30, 2021

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aristath
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@aristath aristath commented Apr 29, 2021

Description

This PR allows using non-px values for font-sizes, by using UnitControl instead of the custom number input we were previously using.
Font-sizes were previously saved using px as a hardcoded unit, so there are no backwards-compatibility issues I could find. This just allows using em/rem units.

How has this been tested?

Tested in new blocks, tested in existing posts, nothing breaks. Tested using px, em & rem values. nothing breaks.

Screenshots

Before:

Screenshot from 2021-04-29 10-39-17

After:

Screenshot from 2021-04-29 10-52-53

Types of changes

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • I've tested my changes with keyboard and screen readers.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • I've updated all React Native files affected by any refactorings/renamings in this PR (please manually search all *.native.js files for terms that need renaming or removal).

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Size Change: +176 B (0%)

Total Size: 1.31 MB

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compressed-size-action

@carolinan
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I only have one question, doesn't this need to wait for
Continue to finish the FontSizePicker integration, i.e., finish migrating the components from #28399
Re-introduce the FontSizePicker'

In #30503 ?

@aristath
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aristath commented Apr 29, 2021

@carolinan tbh I don't know... Whatever the plan however, font-sizes should not, under any circumstances, be limited to px values. From what I've seen so far the g2 component doesn't support non-px values, so whether that gets implemented or not I don't know. Until the g2 component gets support for non-px units I think we'd be better off using the existing component which can support em/rem units with this PR.
In other words, I'd say we implement it in the existing component, and if/when g2 gets support for other units, then we migrate the font-size to use that.

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@sarayourfriend
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The G2 version of the font size picker is gone for now, to be later re-implemented once its dependencies are migrated. When it's re-implemented we can make sure that it uses UnitControl 👍 That way we don't introduce a regression.

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Code looks good to me but it appears that a couple tests are failing.

Another thing I noticed is that the label for rem is cut off:
Captura de Tela 2021-04-29 às 07 08 17

@aristath
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Another thing I noticed is that the label for rem is cut off

Yeah, that is the same for all UnitControl controls... so not related to this PR. For example this is the padding control for a group block:

Screenshot from 2021-04-30 08-15-19

@aristath aristath force-pushed the add/font-size-unitcontrol branch from ddd2b50 to 7c27cac Compare April 30, 2021 05:18
@aristath aristath requested review from nerrad and ntwb as code owners April 30, 2021 08:09
@aristath aristath requested a review from sarayourfriend April 30, 2021 08:09
@aristath
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All tests now pass 🎉

@carolinan carolinan merged commit bc4cedd into trunk Apr 30, 2021
@carolinan carolinan deleted the add/font-size-unitcontrol branch April 30, 2021 09:47
@github-actions github-actions bot added this to the Gutenberg 10.6 milestone Apr 30, 2021
@youknowriad youknowriad added the [Feature] Design Tools Tools that impact the appearance of blocks both to expand the number of tools and improve the experi label Apr 30, 2021
@youknowriad youknowriad added the [Type] Enhancement A suggestion for improvement. label Apr 30, 2021
onChange( nextSize );
}
} }
units={ CSS_UNITS }
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I think themes can control the available units or disable them, is this being taken into consideration here?

@jasmussen
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This is cool. One thing I'm using on my own site, which isn't quite launched yet, is vw units for font-size. That allows some fluid typography:

vw

It might be fun to explore some clamp usage in the future to have some intrinsic responsiveness, but that's a thought for another day.

@aristath
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aristath commented Jun 3, 2021

This is cool. One thing I'm using on my own site, which isn't quite launched yet, is vw units for font-size. That allows some fluid typography

I do the same... but I do it for all elements of a page. So the calc, vw, clamp etc are on my root font-size, and then in elements I can use em to have adaptive typography. If I want something to be non-adaptive, I just use px.
I think youshould be able to use vw though if you want now... After #31822 was merged the available units are no longer hardcoded and you can use any valid CSS unit from this list https://github.com/WordPress/gutenberg/pull/31822/files#diff-4161524a5c509693e7a2412feb7767fa2c69d841e870fc80a35d33ac3fbeb28cR17-R108. I believe I included all units there 😉

@jasmussen
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Just to follow up, I explored query-less responsiveness a bit more in this codepen. I also leveraged some of that for my theme.

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