Enable lock attribute for statement and form; show this attribute same as grayout.

Signed-off-by: ydong10
Reviewed-by: lgao4

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12721 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 9 insertions, 0 deletions

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
index baf36a213b..93399c4028 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
@@ -577,6 +577,7 @@ UiWaitForSingleEvent (
 

   @param  String                 String description for this option.

   @param  Handle                 Hii handle for the package list.

+  @param  Form                   The form this statement belong to.

   @param  Statement              Statement of this Menu Option.

   @param  NumberOfLines          Display lines for this Menu Option.

   @param  MenuItemCount          The index for this Option in the Menu.

@@ -588,6 +589,7 @@ UI_MENU_OPTION *
 UiAddMenuOption (

   IN CHAR16                  *String,

   IN EFI_HII_HANDLE          Handle,

+  IN FORM_BROWSER_FORM       *Form,

   IN FORM_BROWSER_STATEMENT  *Statement,

   IN UINT16                  NumberOfLines,

   IN UINT16                  MenuItemCount

@@ -643,6 +645,13 @@ UiAddMenuOption (
       MenuOption->GrayOut = Statement->GrayOutExpression->Result.Value.b;

     }

 

+    //

+    // If the form or the question has the lock attribute, deal same as grayout.

+    //

+    if (Form->Locked || Statement->Locked) {

+      MenuOption->GrayOut = TRUE;

+    }

+    

     switch (Statement->Operand) {

     case EFI_IFR_ORDERED_LIST_OP:

     case EFI_IFR_ONE_OF_OP: