Ticket #25419: 25419.4.patch

wp-admin/css/widgets.css

@@ -35 +35 @@
         user-select: none;
 }
 
+/* Widget Dashicon Styles */
+.wp-widget-icon {
+        margin-left: .8em;
+        margin-top: .8em;
+        float: left;
+} 
+
+.customize-control .wp-widget-icon {
+        margin-left: .8em;
+        margin-top: .7em;
+        float: left;
+}
+
+        .wp-widget-icon+h4, .customize-control .wp-widget-icon+h4 {
+                padding-left: 7px;
+        }
+                
 .widgets-holder-wrap .widget-inside {
         border-top: none;
         padding: 1px 15px 15px 15px;

wp-includes/widgets.php

@@ -83 +83 @@
          *       - width: required if more than 250px
          *       - height: currently not used but may be needed in the future
          */
-        public function __construct( $id_base, $name, $widget_options = array(), $control_options = array() ) {
+        public function __construct( $id_base, $name, $icon_url, $widget_options = array(), $control_options = array() ) {
                 $this->id_base = empty($id_base) ? preg_replace( '/(wp_)?widget_/', '', strtolower(get_class($this)) ) : strtolower($id_base);
                 $this->name = $name;
-                $this->option_name = 'widget_' . $this->id_base;
+                $this->icon_url = is_array($icon_url) || empty($icon_url) ? '' : $icon_url; // create the icon url parameter
+                $this->option_name = 'widget_' . $this->id_base;                
                 $this->widget_options = wp_parse_args( $widget_options, array('classname' => $this->option_name) );
                 $this->control_options = wp_parse_args( $control_options, array('id_base' => $this->id_base) );
         }
@@ -94 +95 @@
         /**
          * PHP4 constructor
          */
-        public function WP_Widget( $id_base, $name, $widget_options = array(), $control_options = array() ) {
-                WP_Widget::__construct( $id_base, $name, $widget_options, $control_options );
+        public function WP_Widget( $id_base, $name, $icon_url, $widget_options = array(), $control_options = array() ) {
+                WP_Widget::__construct( $id_base, $name, $icon_url, $widget_options, $control_options );
         }
 
         /**