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<title>[27110] trunk/src: Fix scrolling inside the Visual editor on MacOS, add the same functionality to the Text editor, see #27013</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/27110">27110</a></dd>
<dt>Author</dt> <dd>azaozz</dd>
<dt>Date</dt> <dd>2014-02-06 19:33:13 +0000 (Thu, 06 Feb 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Fix scrolling inside the Visual editor on MacOS, add the same functionality to the Text editor, see <a href="http://core.trac.wordpress.org/ticket/27013">#27013</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminjspostjs">trunk/src/wp-admin/js/post.js</a></li>
<li><a href="#trunksrcwpincludesjstinymcepluginswordpresspluginjs">trunk/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminjspostjs"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-admin/js/post.js (27109 => 27110)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-admin/js/post.js    2014-02-06 17:56:30 UTC (rev 27109)
+++ trunk/src/wp-admin/js/post.js       2014-02-06 19:33:13 UTC (rev 27110)
</span><span class="lines">@@ -374,6 +374,7 @@
</span><span class="cx">          sticky = '',
</span><span class="cx">          last = 0,
</span><span class="cx">          co = $('#content'),
</span><ins>+               $document = $(document),
</ins><span class="cx">           $editSlugWrap = $('#edit-slug-box'),
</span><span class="cx">          postId = $('#post_ID').val() || 0,
</span><span class="cx">          $submitpost = $('#submitpost'),
</span><span class="lines">@@ -509,7 +510,7 @@
</span><span class="cx">          });
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       $(document).on( 'autosave-disable-buttons.edit-post', function() {
</del><ins>+        $document.on( 'autosave-disable-buttons.edit-post', function() {
</ins><span class="cx">           $submitButtons.addClass( 'disabled' );
</span><span class="cx">  }).on( 'autosave-enable-buttons.edit-post', function() {
</span><span class="cx">          if ( ! wp.heartbeat || ! wp.heartbeat.hasConnectionError() ) {
</span><span class="lines">@@ -940,7 +941,7 @@
</span><span class="cx"> 
</span><span class="cx">  // word count
</span><span class="cx">  if ( typeof(wpWordCount) != 'undefined' ) {
</span><del>-               $(document).triggerHandler('wpcountwords', [ co.val() ]);
</del><ins>+                $document.triggerHandler('wpcountwords', [ co.val() ]);
</ins><span class="cx"> 
</span><span class="cx">          co.keyup( function(e) {
</span><span class="cx">                  var k = e.keyCode || e.charCode;
</span><span class="lines">@@ -949,7 +950,7 @@
</span><span class="cx">                          return true;
</span><span class="cx"> 
</span><span class="cx">                  if ( 13 == k || 8 == last || 46 == last )
</span><del>-                               $(document).triggerHandler('wpcountwords', [ co.val() ]);
</del><ins>+                                $document.triggerHandler('wpcountwords', [ co.val() ]);
</ins><span class="cx"> 
</span><span class="cx">                  last = k;
</span><span class="cx">                  return true;
</span><span class="lines">@@ -985,7 +986,6 @@
</span><span class="cx">  // Resize the visual and text editors
</span><span class="cx">  ( function() {
</span><span class="cx">          var editor, offset, mce,
</span><del>-                       $document = $( document ),
</del><span class="cx">                   $textarea = $('textarea#content'),
</span><span class="cx">                  $handle = $('#post-status-info');
</span><span class="cx"> 
</span><span class="lines">@@ -1063,4 +1063,28 @@
</span><span class="cx">                  }
</span><span class="cx">          });
</span><span class="cx">  }
</span><ins>+
+       if ( ! ( 'ontouchstart' in window ) ) {
+               // When scrolling with mouse wheel or trackpad inside the Text editor, don't scroll the whole window
+               var $content = $('#content').on( 'onwheel' in $document[0] ? 'wheel.text-editor-scroll' : 'mousewheel.text-editor-scroll', function( event ) {
+                       var delta, origEvent = event.originalEvent;
+
+                       if ( wp.editor && wp.editor.fullscreen.settings.visible ) {
+                               return;
+                       }
+
+                       if ( typeof origEvent.deltaY !== 'undefined' ) {
+                               delta = origEvent.deltaY;
+
+                               if ( typeof origEvent.deltaMode !== 'undefined' && origEvent.deltaMode === origEvent.DOM_DELTA_LINE ) {
+                                       delta *= 20;
+                               }
+                       } else {
+                               delta = -origEvent.wheelDelta;
+                       }
+
+                       $content.scrollTop( $content.scrollTop() + delta );
+                       event.preventDefault();
+               });
+       }
</ins><span class="cx"> });
</span></span></pre></div>
<a id="trunksrcwpincludesjstinymcepluginswordpresspluginjs"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js (27109 => 27110)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js     2014-02-06 17:56:30 UTC (rev 27109)
+++ trunk/src/wp-includes/js/tinymce/plugins/wordpress/plugin.js        2014-02-06 19:33:13 UTC (rev 27110)
</span><span class="lines">@@ -315,43 +315,34 @@
</span><span class="cx">                  window.jQuery( document ).triggerHandler( 'tinymce-editor-init', [editor] );
</span><span class="cx">          }
</span><span class="cx"> 
</span><del>-               // When scrolling with mouse wheel or trackpad inside the editor, don't scroll the parent window
-               editor.dom.bind( doc, 'onwheel' in doc ? 'wheel' : 'mousewheel', function( event ) {
-                       var delta, docElement = doc.documentElement;
</del><ins>+                if ( ! ( 'ontouchstart' in window ) ) {
+                       // When scrolling with mouse wheel or trackpad inside the editor, don't scroll the parent window
+                       editor.dom.bind( doc, 'onwheel' in doc ? 'wheel' : 'mousewheel', function( event ) {
+                               var delta, docElement = doc.documentElement;
</ins><span class="cx"> 
</span><del>-                       if ( editor.settings.wp_fullscreen || 'ontouchstart' in window ) {
-                               return;
-                       }
</del><ins>+                                if ( editor.settings.wp_fullscreen ) {
+                                       return;
+                               }
</ins><span class="cx"> 
</span><del>-                       if ( typeof event.deltaY !== 'undefined' ) {
-                               delta = event.deltaY;
</del><ins>+                                if ( typeof event.deltaY !== 'undefined' ) {
+                                       delta = event.deltaY;
</ins><span class="cx"> 
</span><del>-                               if ( typeof event.deltaMode !== 'undefined' && event.deltaMode === event.DOM_DELTA_LINE ) {
-                                       delta *= 20;
</del><ins>+                                        if ( typeof event.deltaMode !== 'undefined' && event.deltaMode === event.DOM_DELTA_LINE ) {
+                                               delta *= 20;
+                                       }
+                               } else {
+                                       delta = -event.wheelDelta;
</ins><span class="cx">                           }
</span><del>-                       } else {
-                               delta = -event.wheelDelta;
-                       }
</del><span class="cx"> 
</span><del>-                       // Reverse direction for MacOS
-                       if ( env.mac ) {
-                               delta *= -1;
-                       }
</del><ins>+                                event.preventDefault();
</ins><span class="cx"> 
</span><del>-                       event.preventDefault();
-
-                       if ( ( docElement.scrollTop === 0 && delta < 0 ) ||
-                               ( docElement.clientHeight + docElement.scrollTop === docElement.scrollHeight && delta > 0 ) ) {
-
-                               return;
-                       }
-
-                       if ( env.webkit ) {
-                               doc.body.scrollTop += delta;
-                       } else {
-                               docElement.scrollTop += delta;
-                       }
-               });
</del><ins>+                                if ( env.webkit ) {
+                                       doc.body.scrollTop += delta;
+                               } else {
+                                       docElement.scrollTop += delta;
+                               }
+                       });
+               }
</ins><span class="cx">   });
</span><span class="cx"> 
</span><span class="cx">  // Word count
</span></span></pre>
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