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<title>[58761] Block Themes: Fix invalid css for nested fullwidth layouts with zero padding applied</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/58761">58761</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/58761","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>hellofromTonya</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2024-07-18 17:02:31 +0000 (Thu, 18 Jul 2024)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Block Themes: Fix invalid css for nested fullwidth layouts with zero padding applied
In the Layout block support, handle 0 values for padding as 0px in calc() rules. This resolves a bug for nested fullwidth layouts when zero padding is applied. Due to how calc() works, without supplying the unit, the rule will not
work, resulting in a horizontal scrollbar.
Ref: PHP changes from https://github.com/WordPress/gutenberg/pull/63436.
Reviewed by hellofromTonya.
Merges <a href="https://core.trac.wordpress.org/changeset/58750">[58750]</a> to the 6.6 branch.
Fixes <a href="https://core.trac.wordpress.org/ticket/61656">#61656</a>.
Props andrewserong, mukesh27, aaronrobertshaw.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches66srcwpincludesblocksupportslayoutphp">branches/6.6/src/wp-includes/block-supports/layout.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches66">branches/6.6/</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/6.6
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/6.6 2024-07-18 16:52:33 UTC (rev 58760)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/6.6 2024-07-18 17:02:31 UTC (rev 58761)
</ins><a id="branches66"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/6.6</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/5.0:43681-43682,43684-43688,43719-43720,43723,43726-43727,43729-43731,43734-43744,43747,43751-43754,43758,43760-43765,43767-43770,43772,43774-43781,43783,43785,43790-43806,43808-43821,43825,43828,43830-43834,43836-43843,43846-43863,43867-43889,43891-43894,43897-43905,43908-43909,43911-43929,43931-43942,43946-43947,43949-43956,43959-43964,43967-43969,43988,43994,44014,44017,44047,44183,44185,44187-44206,44208-44213,44231-44232,44235,44248,44284,44287-44288
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.5:49373-49379,49381
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/5.8:51889
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:58570,58585,58588,58612,58617-58618,58671-58672,58685,58690-58691,58693,58710,58718-58719,58744,58747-58749,58757
</del><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:58570,58585,58588,58612,58617-58618,58671-58672,58685,58690-58691,58693,58710,58718-58719,58744,58747-58750,58757
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches66srcwpincludesblocksupportslayoutphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/6.6/src/wp-includes/block-supports/layout.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/6.6/src/wp-includes/block-supports/layout.php 2024-07-18 16:52:33 UTC (rev 58760)
+++ branches/6.6/src/wp-includes/block-supports/layout.php 2024-07-18 17:02:31 UTC (rev 58761)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -322,7 +322,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * They're added separately because padding might only be set on one side.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> if ( isset( $block_spacing_values['declarations']['padding-right'] ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $padding_right = $block_spacing_values['declarations']['padding-right'];
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $padding_right = $block_spacing_values['declarations']['padding-right'];
+ // Add unit if 0.
+ if ( '0' === $padding_right ) {
+ $padding_right = '0px';
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> $layout_styles[] = array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'selector' => "$selector > .alignfull",
</span><span class="cx" style="display: block; padding: 0 10px"> 'declarations' => array( 'margin-right' => "calc($padding_right * -1)" ),
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -329,7 +333,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> if ( isset( $block_spacing_values['declarations']['padding-left'] ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $padding_left = $block_spacing_values['declarations']['padding-left'];
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $padding_left = $block_spacing_values['declarations']['padding-left'];
+ // Add unit if 0.
+ if ( '0' === $padding_left ) {
+ $padding_left = '0px';
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> $layout_styles[] = array(
</span><span class="cx" style="display: block; padding: 0 10px"> 'selector' => "$selector > .alignfull",
</span><span class="cx" style="display: block; padding: 0 10px"> 'declarations' => array( 'margin-left' => "calc($padding_left * -1)" ),
</span></span></pre>
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