Editor: add text orientation for blocks with typography support.

Adds a new text orientation option to the typography block support, implemented with CSS writing-mode.

Props poena.
Fixes #59306.


git-svn-id: https://develop.svn.wordpress.org/trunk@56605 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-theme-json.php

@@ -203,6 +203,7 @@ class WP_Theme_JSON {
 	 *              removed the `--wp--style--block-gap` property.
 	 * @since 6.2.0 Added `outline-*`, and `min-height` properties.
 	 * @since 6.3.0 Added `column-count` property.
+	 * @since 6.4.0 Added `writing-mode` property.
 	 *
 	 * @var array
 	 */
@@ -261,6 +262,7 @@ class WP_Theme_JSON {
 		'text-transform'                    => array( 'typography', 'textTransform' ),
 		'filter'                            => array( 'filter', 'duotone' ),
 		'box-shadow'                        => array( 'shadow' ),
+		'writing-mode'                      => array( 'typography', 'writingMode' ),
 	);
 
 	/**
@@ -340,7 +342,7 @@ class WP_Theme_JSON {
 	 * @since 6.2.0 Added `dimensions.minHeight`, 'shadow.presets', 'shadow.defaultPresets',
 	 *              `position.fixed` and `position.sticky`.
 	 * @since 6.3.0 Added support for `typography.textColumns`, removed `layout.definitions`.
-	 * @since 6.4.0 Added `layout.allowEditing`.
+	 * @since 6.4.0 Added `layout.allowEditing` and `typography.writingMode`.
 	 *
 	 * @var array
 	 */
@@ -409,6 +411,7 @@ class WP_Theme_JSON {
 			'textColumns'    => null,
 			'textDecoration' => null,
 			'textTransform'  => null,
+			'writingMode'    => null,
 		),
 	);
 
@@ -471,6 +474,7 @@ class WP_Theme_JSON {
 			'textColumns'    => null,
 			'textDecoration' => null,
 			'textTransform'  => null,
+			'writingMode'    => null,
 		),
 		'css'        => null,
 	);