add internal config entry for current netwm theme whenever we set it

SVN revision: 74375

src/bin/e_config.h

@@ -365,6 +365,7 @@ struct _E_Config
       const char   *xft_hint_style;
       const char   *xft_rgba;
       const char   *net_theme_name;  // GUI
+      const char   *net_theme_name_detected; // not saved
       const char   *net_icon_theme_name;  // GUI
       const char   *gtk_font_name;
    } xsettings;

src/bin/e_xsettings.c

@@ -169,6 +169,8 @@ _e_xsettings_string_set(const char *name, const char *value)
    Eina_List *l;
 
    if (!name) return;
+   if (name == _setting_theme_name)
+     e_config->xsettings.net_theme_name_detected = value;
    name = eina_stringshare_add(name);
 
    EINA_LIST_FOREACH(settings, l, s)