Theme Editor: Altered tag table entry for %pb to make image optional, implemented progress bar rendering in theme editor

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27229 a1c6a512-1295-4272-9138-f99709370657

utils/themeeditor/models/parsetreenode.cpp

@@ -26,6 +26,7 @@
 #include "parsetreemodel.h"
 
 #include "rbimage.h"
+#include "rbprogressbar.h"
 
 #include <iostream>
 
@@ -611,6 +612,18 @@ bool ParseTreeNode::execTag(const RBRenderInfo& info, RBViewport* viewport)
 
         return false;
 
+    case 'p':
+        switch(element->tag->name[1])
+        {
+        case 'b':
+            /* %pb */
+            new RBProgressBar(viewport, info, element->params_count,
+                              element->params);
+            return true;
+        }
+
+        return false;
+
     case 'w':
         switch(element->tag->name[1])
         {