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Hide horizontal overflow in Navigator #35332

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merged 8 commits into from
Oct 11, 2021

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stokesman
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@stokesman stokesman commented Oct 4, 2021

Simple alternative to #35317. This adds overflow-x: hidden to the root element of Navigator.

Explanation

I think the more complex approach in the aforementioned PR isn't warranted. It came about to make sure popovers inside of Navigator wouldn't be clipped or hidden.

I don't like overflow: hidden as a way to solve the scrolling issue, we can't use as otherwise we may risk hiding popovers shown inside that div potentially.

#35214 (comment)

However, if the popovers are from @wordpress/components there's not a risk as they portal to a safe place in the tree. If we are then worried about third-party components, we don't have to. There's no use of Navigator in core that has slots for expansion. Even were they to have slots, they are already nested in contexts that would clip a naive dropdown/dialog/popover anyway.

How has this been tested?

In the Post Editor preferences modal. Also tested in a version of the storybook story I adapted for a sidebar plugin. Seen in the screenshots.

Screenshots

Before After
before-navigator-overflow-x after-navigator-overflow-x
note the horizontal scrollbar appearing ^ note there's no horizontal scrollbar

Types of changes

Bug fix

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).

@stokesman stokesman added the [Package] Components /packages/components label Oct 4, 2021
@stokesman stokesman requested a review from ciampo October 4, 2021 21:54
Base automatically changed from feat/components-navigator-typescript-refactor to trunk October 5, 2021 15:13
@ciampo ciampo force-pushed the fix/components-navigator-horizontal-scrollbar branch from ae5889a to a0a1b74 Compare October 5, 2021 17:06
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ciampo commented Oct 5, 2021

I took the liberty of rebasing / force pushing after #35214 got merged.

I also started a conversation in #35317 (comment) about which approach between the 2 PRs is the most sensible for now.

@stokesman
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stokesman commented Oct 6, 2021

Thanks to @mirka’s comment #35317 (comment), I've pushed a commit to add oveflow-x auto to NavigatorScreen. It seems to work well as a safety measure for unexpected or edge cases while still keeping things pretty simple.

after-navigator-overflow-x-screen-auto.mp4

@ciampo ciampo added [Feature] UI Components Impacts or related to the UI component system [Type] Bug An existing feature does not function as intended labels Oct 6, 2021
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ciampo commented Oct 6, 2021

@stokesman , would you mind also updating the Storybook example to add:

  • a screen with a dialog/dropdown/popover
  • a screen which scrolls because of its contents overflowing

I think they would add value to the Storybook example.

@stokesman
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@ciampo, thank you for the review. I've included your suggestions.

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github-actions bot commented Oct 6, 2021

Size Change: +617 B (0%)

Total Size: 1.07 MB

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@mirka
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mirka commented Oct 6, 2021

Best of both worlds, then! I think we can go with this simpler approach unless other compelling reasons crop up.

@stokesman
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stokesman commented Oct 6, 2021

Best of both worlds, then!

Props to you for that @mirka. Thanks for your input!

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@ciampo ciampo left a comment

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Thank you for working on this alternative approach for hiding the horizontal overflow, @stokesman !

Let's go ahead with this PR and close #35317 for now. We can always revisit at a later point.

I would only consider applying some minor changes to the Storybook example (to improve the spacing and move away from inline styles)

(see proposed changes)
diff --git a/packages/components/src/navigator/stories/index.js b/packages/components/src/navigator/stories/index.js
index 56dd4bc331..ca357071cf 100644
--- a/packages/components/src/navigator/stories/index.js
+++ b/packages/components/src/navigator/stories/index.js
@@ -1,9 +1,16 @@
+/**
+ * External dependencies
+ */
+import { css } from '@emotion/react';
+
 /**
  * Internal dependencies
  */
 import Button from '../../button';
 import { CardBody, CardHeader } from '../../card';
+import { HStack } from '../../h-stack';
 import { Flyout } from '../../flyout';
+import { useCx } from '../../utils';
 import { NavigatorProvider, NavigatorScreen, useNavigator } from '../';
 
 export default {
@@ -21,57 +28,74 @@ function NavigatorButton( { path, isBack = false, ...props } ) {
 	);
 }
 
-const MyNavigation = () => (
-	<NavigatorProvider initialPath="/">
-		<NavigatorScreen path="/">
-			<p>This is the home screen.</p>
+const MyNavigation = () => {
+	const cx = useCx();
+	const screenClassName = cx(
+		css`
+			padding: 8px;
+		`
+	);
+	return (
+		<NavigatorProvider initialPath="/">
+			<NavigatorScreen className={ screenClassName } path="/">
+				<p>This is the home screen.</p>
 
-			<NavigatorButton isPrimary path="/child">
-				Navigate to child screen.
-			</NavigatorButton>
+				<HStack justify="flex-start" wrap>
+					<NavigatorButton isPrimary path="/child">
+						Navigate to child screen.
+					</NavigatorButton>
 
-			<NavigatorButton isPrimary path="/overflow-child">
-				Navigate to a screen with horizontal overflow.
-			</NavigatorButton>
+					<NavigatorButton isPrimary path="/overflow-child">
+						Navigate to a screen with horizontal overflow.
+					</NavigatorButton>
 
-			<Flyout
-				trigger={ <Button>Click top open test dialog</Button> }
-				placement="bottom-start"
-			>
-				<CardHeader>Go</CardHeader>
-				<CardBody>Stuff</CardBody>
-			</Flyout>
-		</NavigatorScreen>
+					<Flyout
+						trigger={ <Button>Click top open test dialog</Button> }
+						placement="bottom-start"
+					>
+						<CardHeader>Go</CardHeader>
+						<CardBody>Stuff</CardBody>
+					</Flyout>
+				</HStack>
+			</NavigatorScreen>
 
-		<NavigatorScreen path="/child">
-			<p>This is the child screen.</p>
-			<NavigatorButton isPrimary path="/" isBack>
-				Go back
-			</NavigatorButton>
-		</NavigatorScreen>
-		<NavigatorScreen path="/overflow-child">
-			<NavigatorButton isPrimary path="/" isBack>
-				Go back
-			</NavigatorButton>
-			<div
-				style={ {
-					display: 'inline-block',
-					background: 'papayawhip',
-				} }
+			<NavigatorScreen className={ screenClassName } path="/child">
+				<p>This is the child screen.</p>
+				<NavigatorButton isPrimary path="/" isBack>
+					Go back
+				</NavigatorButton>
+			</NavigatorScreen>
+			<NavigatorScreen
+				className={ screenClassName }
+				path="/overflow-child"
 			>
-				<span
-					style={ {
-						color: 'palevioletred',
-						whiteSpace: 'nowrap',
-						fontSize: '42vw',
-					} }
+				<NavigatorButton isPrimary path="/" isBack>
+					Go back
+				</NavigatorButton>
+				<div
+					className={ cx(
+						css( {
+							display: 'inline-block',
+							background: 'papayawhip',
+						} )
+					) }
 				>
-					¯\_(ツ)_/¯
-				</span>
-			</div>
-		</NavigatorScreen>
-	</NavigatorProvider>
-);
+					<span
+						className={ cx(
+							css( {
+								color: 'palevioletred',
+								whiteSpace: 'nowrap',
+								fontSize: '42vw',
+							} )
+						) }
+					>
+						¯\_(ツ)_/¯
+					</span>
+				</div>
+			</NavigatorScreen>
+		</NavigatorProvider>
+	);
+};
 
 export const _default = () => {
 	return <MyNavigation />;

but otherwise, feel free to merge!

@stokesman stokesman merged commit ba37ffd into trunk Oct 11, 2021
@stokesman stokesman deleted the fix/components-navigator-horizontal-scrollbar branch October 11, 2021 00:36
@github-actions github-actions bot added this to the Gutenberg 11.8 milestone Oct 11, 2021
@stokesman
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Merging this made for issues with the Post Editor’s preferences modal (@ < medium breakpoints). I was aware of the impending issues and had #35369 drafted in preparation. Now it's rebased and marked as ready for review. Mentioning it here for the context and in case @ciampo or @mirka would care to have a look. It doesn't seem urgent as everything is still usable but it'd still be nice to have fixed before a release.

By the way, #35317 would have made for the same issues they just would have been easier to overlook as they'd present only during the transition. I'd tested both approaches against that preferences modal ahead of time. I've also made #35518 to provide some more detail about the part related to sticky positioning and propose a little enhancement. I think it's not very important though.

@ciampo
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ciampo commented Oct 11, 2021

Thank you for letting us know. I'm going to take a look!

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[Feature] UI Components Impacts or related to the UI component system [Package] Components /packages/components [Type] Bug An existing feature does not function as intended
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3 participants