Ticket #29338: 29338.2.patch

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

@@ -223 +223 @@
                 }
 
                 function mceHide() {
-                        var wrapHeight = $( '#wpwrap' ).height();
+                        var wrapHeight = $( '#wpwrap' ).height(),
+                                windowPos = $window.scrollTop(),
+                                iframeHeight, textareaHeight;
 
                         textEditorResize();
+                        iframeHeight = $('#content_ifr').height();
+                        textareaHeight = $textEditor.height();
 
-                        if ( wrapHeight && $window.scrollTop() > wrapHeight ) {
+                        if ( iframeHeight > textareaHeight && ( windowPos + heights.windowHeight ) > ( textareaHeight + $textEditor.offset().top ) ) {
+                                window.scrollBy( 0, -( iframeHeight - textareaHeight - 1 ) );
+                                adjust();
+                                window.scrollBy( 0, 1 );
+                        } else if ( wrapHeight && windowPos > wrapHeight ) {
                                 window.scrollTo( window.pageXOffset, wrapHeight - 1 );
                         }