Only apply metabox handle styles and JS events to .postbox .hndle, as opposed to all h3s in a .postbox.

Developers previously relying on the `h3` behavior may be affected. You may want to investigate `do_meta_boxes()` rather than recreating markup.

props SergeyBiryukov, nabil_kadimi.
fixes #28485.


git-svn-id: https://develop.svn.wordpress.org/trunk@28940 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/css/common.css

@@ -705,8 +705,8 @@ td.help {
 ------------------------------------------------------------------------------*/
 
 .widget .widget-top,
-.postbox h3,
-.stuffbox h3,
+.postbox .hndle,
+.stuffbox .hndle,
 .control-section .accordion-section-title,
 h3.dashboard-widget-title,
 h3.dashboard-widget-title span,
@@ -729,9 +729,8 @@ h3.dashboard-widget-title small,
 	color: #222;
 }
 
-.postbox h3,
-#namediv h3,
-#submitdiv h3 {
+.postbox .hndle,
+.stuffbox .hndle {
 	border-bottom: 1px solid #eee;
 }
 
@@ -1349,6 +1348,7 @@ html.wp-toolbar {
 	}
 }
 
+.js .widget .widget-top,
 .js .postbox .hndle {
 	cursor: move;
 }
@@ -1380,20 +1380,15 @@ html.wp-toolbar {
 	line-height: 1;
 }
 
-.postbox h3,
-.stuffbox h3 {
-	margin-top: 1px;
+/* user-select is not a part of the CSS standard - may change behavior in the future */
+.postbox .hndle,
+.stuffbox .hndle {
 	-webkit-user-select: none;
 	-moz-user-select: none;
 	-ms-user-select: none;
 	user-select: none;
 }
 
-.js .widget .widget-top,
-.js .postbox h3 {
-	cursor: move;
-}
-
 .postbox .inside,
 .stuffbox .inside {
 	padding: 0 12px 12px;

src/wp-admin/css/ie.css

@@ -260,7 +260,7 @@ table.fixed td {
 	border: 1px solid #dfdfdf;
 }
 
-#wpbody-content .postbox h3 {
+#wpbody-content .postbox .hndle {
 	margin-bottom: -1px;
 }
 

src/wp-admin/js/postbox.js

@@ -9,7 +9,7 @@ var postboxes;
 
 			self.init(page, args);
 
-			$('.postbox h3, .postbox .handlediv').bind('click.postboxes', function() {
+			$('.postbox .hndle, .postbox .handlediv').bind('click.postboxes', function() {
 				var p = $(this).parent('.postbox'), id = p.attr('id');
 
 				if ( 'dashboard_browser_nag' == id )
@@ -28,7 +28,7 @@ var postboxes;
 				}
 			});
 
-			$('.postbox h3 a').click( function(e) {
+			$('.postbox .hndle a').click( function(e) {
 				e.stopPropagation();
 			});