Duotone: Add Global Styles controls for blocks that support duotone

lib/class-wp-theme-json-gutenberg.php

@@ -2425,8 +2425,19 @@ function( $pseudo_selector ) use ( $selector ) {
 		$declarations_duotone = array();
 		foreach ( $declarations as $index => $declaration ) {
 			if ( 'filter' === $declaration['name'] ) {
+				/*
+				 * 'unset' filters happen when a filter is unset
+				 * in the site-editor UI. Because the 'unset' value
+				 * in the user origin overrides the value in the
+				 * theme origin, we can skip rendering anything
+				 * here as no filter needs to be applied anymore.
+				 * So only add declarations to with values other
+				 * than 'unset'.
+				 */
+				if ( 'unset' !== $declaration['value'] ) {
+					$declarations_duotone[] = $declaration;
+				}
 				unset( $declarations[ $index ] );
-				$declarations_duotone[] = $declaration;
 			}
 		}
 

packages/block-editor/src/components/global-styles/use-global-styles-output.js

@@ -790,9 +790,10 @@ export const toStyles = (
 				if ( duotoneDeclarations.length > 0 ) {
 					ruleset =
 						ruleset +
-						`${ duotoneSelector }{${ duotoneDeclarations.join(
-							';'
-						) };}`;
+						`${ scopeSelector(
+							selector,
+							duotoneSelector
+						) }{${ duotoneDeclarations.join( ';' ) };}`;
 				}
 			}
 

packages/block-editor/src/components/global-styles/utils.js

@@ -57,6 +57,7 @@ export const PRESET_METADATA = [
 	},
 	{
 		path: [ 'color', 'duotone' ],
+		valueKey: 'colors',
 		cssVarInfix: 'duotone',
 		valueFunc: ( { slug } ) => `url( '#wp-duotone-${ slug }' )`,
 		classes: [],
@@ -95,6 +96,7 @@ export const PRESET_METADATA = [
 export const STYLE_PATH_TO_CSS_VAR_INFIX = {
 	'color.background': 'color',
 	'color.text': 'color',
+	'filter.duotone': 'duotone',
 	'elements.link.color.text': 'color',
 	'elements.link.:hover.color.text': 'color',
 	'elements.link.typography.fontFamily': 'font-family',

packages/edit-site/src/components/global-styles/context-menu.js

@@ -12,6 +12,7 @@ import {
 import {
 	typography,
 	border,
+	filter,
 	shadow,
 	color,
 	layout,
@@ -30,6 +31,7 @@ import { useMemo } from '@wordpress/element';
 import { useHasBorderPanel } from './border-panel';
 import { useHasColorPanel } from './color-utils';
 import { useHasDimensionsPanel } from './dimensions-panel';
+import { useHasFilterPanel } from './filter-utils';
 import { useHasVariationsPanel } from './variations-panel';
 import { NavigationButtonAsItem } from './navigation-button';
 import { IconWithCurrentColor } from './icon-with-current-color';
@@ -55,6 +57,7 @@ function ContextMenu( { name, parentMenu = '' } ) {
 	const hasColorPanel = useHasColorPanel( name );
 	const hasBorderPanel = useHasBorderPanel( name );
 	const hasEffectsPanel = useHasShadowControl( name );
+	const hasFilterPanel = useHasFilterPanel( name );
 	const hasDimensionsPanel = useHasDimensionsPanel( name );
 	const hasLayoutPanel = hasDimensionsPanel;
 	const hasVariationsPanel = useHasVariationsPanel( name, parentMenu );
@@ -117,6 +120,15 @@ function ContextMenu( { name, parentMenu = '' } ) {
 						{ __( 'Shadow' ) }
 					</NavigationButtonAsItem>
 				) }
+				{ hasFilterPanel && (
+					<NavigationButtonAsItem
+						icon={ filter }
+						path={ parentMenu + '/filters' }
+						aria-label={ __( 'Filters styles' ) }
+					>
+						{ __( 'Filters' ) }
+					</NavigationButtonAsItem>
+				) }
 				{ hasLayoutPanel && (
 					<NavigationButtonAsItem
 						icon={ layout }

packages/edit-site/src/components/global-styles/duotone-panel.js

@@ -0,0 +1,82 @@
+/**
+ * WordPress dependencies
+ */
+import { __ } from '@wordpress/i18n';
+import {
+	__experimentalToolsPanel as ToolsPanel,
+	DuotonePicker,
+} from '@wordpress/components';
+import {
+	privateApis as blockEditorPrivateApis,
+	useSetting,
+} from '@wordpress/block-editor';
+import { useMemo } from '@wordpress/element';
+
+/**
+ * Internal dependencies
+ */
+import { unlock } from '../../private-apis';
+const { useGlobalStyle } = unlock( blockEditorPrivateApis );
+
+const EMPTY_ARRAY = [];
+
+function useMultiOriginPresets( { presetSetting, defaultSetting } ) {
+	const disableDefault = ! useSetting( defaultSetting );
+	const userPresets =
+		useSetting( `${ presetSetting }.custom` ) || EMPTY_ARRAY;
+	const themePresets =
+		useSetting( `${ presetSetting }.theme` ) || EMPTY_ARRAY;
+	const defaultPresets =
+		useSetting( `${ presetSetting }.default` ) || EMPTY_ARRAY;
+	return useMemo(
+		() => [
+			...userPresets,
+			...themePresets,
+			...( disableDefault ? EMPTY_ARRAY : defaultPresets ),
+		],
+		[ disableDefault, userPresets, themePresets, defaultPresets ]
+	);
+}
+
+function DuotonePanel( { name } ) {
+	const [ themeDuotone, setThemeDuotone ] = useGlobalStyle(
+		'filter.duotone',
+		name
+	);
+
+	const duotonePalette = useMultiOriginPresets( {
+		presetSetting: 'color.duotone',
+		defaultSetting: 'color.defaultDuotone',
+	} );
+	const colorPalette = useMultiOriginPresets( {
+		presetSetting: 'color.palette',
+		defaultSetting: 'color.defaultPalette',
+	} );
+
+	if ( duotonePalette?.length === 0 ) {
+		return null;
+	}
+	return (
+		<>
+			<ToolsPanel label={ __( 'Duotone' ) }>
+				<span className="span-columns">
+					{ __(
+						'Create a two-tone color effect without losing your original image.'
+					) }
+				</span>
+				<div className="span-columns">
+					<DuotonePicker
+						colorPalette={ colorPalette }
+						duotonePalette={ duotonePalette }
+						disableCustomColors={ true }
+						disableCustomDuotone={ true }
+						value={ themeDuotone }
+						onChange={ setThemeDuotone }
+					/>
+				</div>
+			</ToolsPanel>
+		</>
+	);
+}
+
+export default DuotonePanel;

packages/edit-site/src/components/global-styles/filter-utils.js

@@ -0,0 +1,9 @@
+/**
+ * Internal dependencies
+ */
+import { useSupportedStyles } from './hooks';
+
+export function useHasFilterPanel( name ) {
+	const supports = useSupportedStyles( name );
+	return supports.includes( 'filter' );
+}

packages/edit-site/src/components/global-styles/screen-filters.js

@@ -0,0 +1,27 @@
+/**
+ * WordPress dependencies
+ */
+import { __ } from '@wordpress/i18n';
+
+/**
+ * Internal dependencies
+ */
+import DuotonePanel from './duotone-panel';
+import BlockPreviewPanel from './block-preview-panel';
+
+/**
+ * Internal dependencies
+ */
+import ScreenHeader from './header';
+
+function ScreenFilters( { name } ) {
+	return (
+		<>
+			<ScreenHeader title={ __( 'Filters' ) } />
+			<BlockPreviewPanel name={ name } />
+			<DuotonePanel name={ name } />
+		</>
+	);
+}
+
+export default ScreenFilters;

packages/edit-site/src/components/global-styles/ui.js

@@ -24,6 +24,7 @@ import ScreenBlockList from './screen-block-list';
 import ScreenBlock from './screen-block';
 import ScreenTypography from './screen-typography';
 import ScreenTypographyElement from './screen-typography-element';
+import ScreenFilters from './screen-filters';
 import ScreenColors from './screen-colors';
 import ScreenColorPalette from './screen-color-palette';
 import ScreenBackgroundColor from './screen-background-color';
@@ -205,6 +206,10 @@ function ContextScreens( { name, parentMenu = '', variation = '' } ) {
 				<ScreenBackgroundColor name={ name } variation={ variation } />
 			</GlobalStylesNavigationScreen>
 
+			<GlobalStylesNavigationScreen path={ parentMenu + '/filters' }>
+				<ScreenFilters name={ name } />
+			</GlobalStylesNavigationScreen>
+
 			<GlobalStylesNavigationScreen path={ parentMenu + '/colors/text' }>
 				<ScreenTextColor name={ name } variation={ variation } />
 			</GlobalStylesNavigationScreen>