Index: compose.c
===================================================================
--- compose.c	(revision 728)
+++ compose.c	(working copy)
@@ -449,6 +449,12 @@
 					     guint		 info,
 					     guint		 time,
 					     gpointer		 user_data);
+static void compose_table_drag_motion_cb (GtkWidget		*widget,
+					     GdkDragContext	*drag_context,
+					     gint		 x,
+					     gint		 y,
+					     guint		 time,
+					     gpointer		 user_data);
 static void compose_insert_drag_received_cb (GtkWidget		*widget,
 					     GdkDragContext	*drag_context,
 					     gint		 x,
@@ -4210,6 +4216,13 @@
 			 G_CALLBACK(compose_insert_drag_received_cb),
 			 compose);
 
+	/* drag & hover */
+	gtk_drag_dest_set(table, GTK_DEST_DEFAULT_MOTION, compose_drag_types,
+			  N_DRAG_TYPES, GDK_ACTION_COPY | GDK_ACTION_MOVE);
+	g_signal_connect(G_OBJECT(table), "drag-motion",
+			 G_CALLBACK(compose_table_drag_motion_cb),
+			 compose);
+
 	gtk_widget_show_all(vbox);
 
 	if (prefs_common.textfont) {
@@ -6298,6 +6311,20 @@
 	gtk_drag_finish(drag_context, TRUE, FALSE, time);
 }
 
+static void compose_table_drag_motion_cb (GtkWidget		*widget,
+		GdkDragContext	*drag_context,
+		gint		 x,
+		gint		 y,
+		guint		 time,
+		gpointer		 user_data)
+{
+	Compose *compose = (Compose *)user_data;
+	GtkItemFactory *ifactory = NULL;
+
+	ifactory = gtk_item_factory_from_widget(compose->menubar);
+	menu_set_active(ifactory, "/View/Attachment", TRUE);
+}
+
 static void compose_insert_drag_received_cb (GtkWidget		*widget,
 					     GdkDragContext	*drag_context,
 					     gint		 x,