Colorize checkboxes depending on theming color

apps/theming/lib/controller/themingcontroller.php

@@ -219,6 +219,14 @@ class ThemingController extends Controller {
 				'#body-user #header,#body-settings #header,#body-public #header,#body-login,.searchbox input[type="search"]:focus,.searchbox input[type="search"]:active,.searchbox input[type="search"]:valid {background-color: %s}',
 				$color
 			);
+			$responseCss .= sprintf('
+				input[type="checkbox"].checkbox:checked + label:before {
+					background-image:url(/core/img/actions/checkmark-white.svg);
+					background-color: %s; background-position: center center; background-size:contain;
+					width:12px; height:12px; padding:0; margin:1px 6px 7px 2px;
+        		}',
+				$color
+			);
 		}
 		$logo = $this->config->getAppValue($this->appName, 'logoMime');
 		if($logo !== '') {

core/img/actions/checkmark-white.svg

@@ -1,4 +1 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" xml:space="preserve" height="16px" viewBox="-0.5 -0.5 16 16" width="16px" version="1.1" y="0px" x="0px" xmlns:cc="http://creativecommons.org/ns#" enable-background="new -0.5 -0.5 16 16" overflow="visible" xmlns:dc="http://purl.org/dc/elements/1.1/">
-<path fill="#fff" transform="translate(-.5 -.5)" d="m12.438 3.6875c-0.363 0-0.726 0.1314-1 0.4063l-4.5005 4.5-1.9687-2c-0.5498-0.5484-1.4489-0.5498-2 0l-0.5 0.5c-0.5512 0.5496-0.5512 1.4502 0 2l2.9687 2.9682c0.0063 0.007-0.0065 0.025 0 0.032l0.5 0.5c0.5497 0.55 1.4503 0.55 2 0l0.5-0.5 0.1875-0.219 5.313-5.2812c0.549-0.5498 0.549-1.4503 0-2l-0.5-0.5c-0.275-0.2749-0.638-0.4063-1-0.4063z"/>
-</svg>
+<svg xmlns="http://www.w3.org/2000/svg" height="16" viewBox="-0.5 -0.5 16 16" width="16" overflow="visible"><path d="M6.089 12.5l-4.95-4.95 1.414-1.414L6.09 9.671l6.345-6.383 1.433 1.434z" fill="#fff"/></svg>