Ticket #19878: screen_icon.patch

screen.php

@@ -135 +135 @@
  *      which it uses to determine an icon HTML ID. Or, if a string is provided, it is used to form the icon HTML ID.
  */
 function screen_icon( $screen = '' ) {
-        echo get_screen_icon( $screen );
+        echo apply_filters ( 'wp_screen_icon' , get_screen_icon( $screen ) );
 }
 
 /**
@@ -148 +148 @@
  * @return string HTML for the screen icon.
  */
 function get_screen_icon( $screen = '' ) {
+        $style = '';
         if ( empty( $screen ) )
                 $screen = get_current_screen();
         elseif ( is_string( $screen ) )
                 $icon_id = $screen;
+        elseif ( is_array( $screen ) ) {
+                /*
+                        $screen = array (
+                                'name' => 'custom' ,
+                                'icon' => 'URL',
+                        );
+                */
+                $icon_id = isset ( $screen['name'] ) ? $screen['name'] : 'custom';
+                $style = ' style="background:transparent url(' . $screen['icon'] . ') no-repeat;"';
+        }
 
         $class = 'icon32';
 
@@ -168 +179 @@
                         $class .= ' ' . sanitize_html_class( 'icon32-posts-' . $screen->post_type );
         }
 
-        return '<div id="icon-' . esc_attr( $icon_id ) . '" class="' . $class . '"><br /></div>';
+        return apply_filters ( 'wp_get_screen_icon' , '<div id="icon-' . esc_attr( $icon_id ) . '" class="' . $class . '"' . $style .'><br /></div>' , $screen );
 }
 
 /**