Ticket #30668: 30668.4.patch

src/wp-admin/js/editor-expand.js

@@ -803 +803 @@
                         mouseY = event.pageY;
                 } );
 
+                function recalcEditorRect() {
+                        editorRect = $editor.offset();
+                        editorRect.right = editorRect.left + $editor.outerWidth();
+                        editorRect.bottom = editorRect.top + $editor.outerHeight();
+                }
+
                 function activate() {
                         if ( ! _isActive ) {
                                 _isActive = true;
@@ -909 +915 @@
                                 $overlay
                                         // Always recalculate the editor area entering the overlay with the mouse.
                                         .on( 'mouseenter.focus', function() {
-                                                editorRect = $editor.offset();
-                                                editorRect.right = editorRect.left + $editor.outerWidth();
-                                                editorRect.bottom = editorRect.top + $editor.outerHeight();
+                                                recalcEditorRect();
 
                                                 $window.on( 'scroll.focus', function() {
                                                         var nScrollY = window.pageYOffset;
@@ -937 +941 @@
                                         } )
                                         // Fade in when the mouse moves away form the editor area.
                                         .on( 'mousemove.focus', function( event ) {
-                                                var nx = event.pageX,
-                                                        ny = event.pageY;
+                                                var nx = event.clientX,
+                                                        ny = event.clientY,
+                                                        pageYOffset = window.pageYOffset,
+                                                        pageXOffset = window.pageXOffset;
 
                                                 if ( x && y && ( nx !== x || ny !== y ) ) {
                                                         if (
-                                                                ( ny <= y && ny < editorRect.top ) ||
-                                                                ( ny >= y && ny > editorRect.bottom ) ||
-                                                                ( nx <= x && nx < editorRect.left ) ||
-                                                                ( nx >= x && nx > editorRect.right )
+                                                                ( ny <= y && ny < editorRect.top - pageYOffset ) ||
+                                                                ( ny >= y && ny > editorRect.bottom - pageYOffset ) ||
+                                                                ( nx <= x && nx < editorRect.left - pageXOffset ) ||
+                                                                ( nx >= x && nx > editorRect.right - pageXOffset )
                                                         ) {
                                                                 traveledX += Math.abs( x - nx );
                                                                 traveledY += Math.abs( y - ny );
 
                                                                 if ( (
-                                                                        ny <= editorRect.top - buffer ||
-                                                                        ny >= editorRect.bottom + buffer ||
-                                                                        nx <= editorRect.left - buffer ||
-                                                                        nx >= editorRect.right + buffer
+                                                                        ny <= editorRect.top - buffer - pageYOffset ||
+                                                                        ny >= editorRect.bottom + buffer - pageYOffset ||
+                                                                        nx <= editorRect.left - buffer - pageXOffset ||
+                                                                        nx >= editorRect.right + buffer - pageXOffset
                                                                 ) && (
                                                                         traveledX > 10 ||
                                                                         traveledY > 10
@@ -1151 +1157 @@
                                         editor.on( 'blur', maybeFadeIn );
                                         editor.on( 'focus', focus );
                                         editor.on( 'blur', blur );
+                                        editor.on( 'wp-autoresize', recalcEditorRect );
                                 };
 
                                 mceUnbind = function() {
@@ -1158 +1165 @@
                                         editor.off( 'blur', maybeFadeIn );
                                         editor.off( 'focus', focus );
                                         editor.off( 'blur', blur );
+                                        editor.off( 'wp-autoresize', recalcEditorRect );
                                 };
 
                                 if ( _isOn ) {