Make possible to set (some) config options from a skin

program/include/rcmail_output_html.php

@@ -297,6 +297,10 @@ EOF;
                 $this->load_skin('skins/' . $meta['extends']);
             }
         }
+
+        foreach ((array) $meta['config'] as $key => $value) {
+            $this->config->set($key, $value, true);
+        }
     }
 
     /**

program/js/app.js

@@ -2594,10 +2594,9 @@ function rcube_webmail()
 
     // load message list to target frame/window
     if (mbox) {
-      this.set_busy(true, 'loading');
       url._mbox = mbox;
-      if (page)
-        url._page = page;
+      url._page = page;
+      this.set_busy(true, 'loading');
       this.location_href(url, target);
     }
   };
@@ -2618,9 +2617,10 @@ function rcube_webmail()
 
     if (typeof url != 'object')
       url = {};
+
+    url._layout = this.env.layout
     url._mbox = mbox;
-    if (page)
-      url._page = page;
+    url._page = page;
 
     // disable double-click on the list when preview pane is on
     // this eliminates delay when opening a message in preview pane (#5199)
@@ -5251,9 +5251,6 @@ function rcube_webmail()
     if (!search && this.gui_objects.qsearchbox)
       search = this.gui_objects.qsearchbox.value;
 
-    if (filter)
-      url._filter = filter;
-
     if (this.gui_objects.search_interval)
       url._interval = $(this.gui_objects.search_interval).val();
 
@@ -5270,8 +5267,10 @@ function rcube_webmail()
       }
     }
 
-    if (scope)
-      url._scope = scope;
+    url._layout = this.env.layout;
+    url._filter = filter;
+    url._scope = scope;
+
     if (mbox && scope != 'all')
       url._mbox = mbox;
 

program/lib/Roundcube/rcube_config.php

@@ -31,6 +31,7 @@ class rcube_config
     private $prop      = array();
     private $errors    = array();
     private $userprefs = array();
+    private $immutable = array();
 
 
     /**
@@ -415,12 +416,17 @@ class rcube_config
     /**
      * Setter for a config parameter
      *
-     * @param string $name  Parameter name
-     * @param mixed  $value Parameter value
+     * @param string $name      Parameter name
+     * @param mixed  $value     Parameter value
+     * @param bool   $immutable Make the value immutable
      */
-    public function set($name, $value)
+    public function set($name, $value, $immutable = false)
     {
         $this->prop[$name] = $value;
+
+        if ($immutable) {
+            $this->immutable[$name] = $value;
+        }
     }
 
     /**
@@ -431,7 +437,7 @@ class rcube_config
     public function merge($prefs)
     {
         $prefs = $this->fix_legacy_props($prefs);
-        $this->prop = array_merge($this->prop, $prefs, $this->userprefs);
+        $this->prop = array_merge($this->prop, $prefs, $this->userprefs, $this->immutable);
     }
 
     /**