1. Code clean up: add IN/OUT modifier for parameters.

2. UI enchancement: if there is no editable item in a Form, the F9/F10 will not be displayed in the footer.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9363 6f19259b-4bc3-4df7-8a09-765794883524

11 files changed, 125 insertions, 76 deletions

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
index fc68754..3f81032 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Expression.c
@@ -512,7 +512,7 @@ InitializeUnicodeCollationProtocol (
 **/

 VOID

 IfrStrToUpper (

-  CHAR16                   *String

+  IN CHAR16                   *String

   )

 {

   while (*String != 0) {

@@ -635,7 +635,7 @@ IfrToUint (
     if (String == NULL) {

       return EFI_NOT_FOUND;

     }

-    

+

     IfrStrToUpper (String);

     StringPtr = StrStr (String, L"0X");

     if (StringPtr != NULL) {

@@ -724,7 +724,7 @@ Done:
   }

   if (String[1] != NULL) {

     FreePool (String[1]);

-  }  

+  }

   if (StringPtr != NULL) {

     FreePool (StringPtr);

   }

@@ -788,7 +788,7 @@ Done:
   }

   if (String[1] != NULL) {

     FreePool (String[1]);

-  }  

+  }

 

   return Status;

 }

@@ -877,7 +877,7 @@ Done:
   }

   if (String[1] != NULL) {

     FreePool (String[1]);

-  }  

+  }

 

   return Status;

 }

@@ -1051,7 +1051,7 @@ Done:
   }

   if (String[1] != NULL) {

     FreePool (String[1]);

-  }  

+  }

 

   return Status;

 }

@@ -1159,7 +1159,7 @@ Done:
   }

   if (String[1] != NULL) {

     FreePool (String[1]);

-  }  

+  }

 

   return Status;

 }

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
index 3285cfe..d9193b9 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
@@ -96,15 +96,15 @@ CreateStatement (
   Convert a numeric value to a Unicode String and insert it to String Package.

   This string is used as the Unicode Name for the EFI Variable. This is to support

   the deprecated vareqval opcode.

-  

+

   @param FormSet        The FormSet.

   @param Statement      The numeric question whose VarStoreInfo.VarName is the

                         numeric value which is used to produce the Unicode Name

                         for the EFI Variable.

-                        

+

   If the Statement is NULL, the ASSERT.

   If the opcode is not Numeric, then ASSERT.

-  

+

   @retval EFI_SUCCESS The funtion always succeeds.

 **/

 EFI_STATUS

@@ -118,7 +118,7 @@ UpdateCheckBoxStringToken (
 

   ASSERT (Statement != NULL);

   ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP);

-  

+

   UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1);

 

   Id = HiiSetString (FormSet->HiiHandle, 0, Str, NULL);

@@ -127,21 +127,21 @@ UpdateCheckBoxStringToken (
   }

 

   Statement->VarStoreInfo.VarName = Id;

-    

+

   return EFI_SUCCESS;

 }

 

 /**

   Check if the next opcode is the EFI_IFR_EXTEND_OP_VAREQNAME.

-  

+

   @param OpCodeData     The current opcode.

-                        

+

   @retval TRUE Yes.

   @retval FALSE No.

 **/

 BOOLEAN

 IsNextOpCodeGuidedVarEqName (

-  UINT8 *OpCodeData

+  IN UINT8 *OpCodeData

   )

 {

   //

@@ -151,7 +151,7 @@ IsNextOpCodeGuidedVarEqName (
   if (*OpCodeData == EFI_IFR_GUID_OP) {

     if (CompareGuid (&gEfiIfrFrameworkGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {

       //

-      // Specific GUIDed opcodes to support IFR generated from Framework HII VFR 

+      // Specific GUIDed opcodes to support IFR generated from Framework HII VFR

       //

       if ((((EFI_IFR_GUID_VAREQNAME *) OpCodeData)->ExtendOpCode) == EFI_IFR_EXTEND_OP_VAREQNAME) {

         return TRUE;

@@ -329,19 +329,19 @@ InitializeConfigHdr (
   )

 {

   CHAR16      *Name;

-  

+

   if (Storage->Type == EFI_HII_VARSTORE_BUFFER) {

     Name = Storage->Name;

   } else {

     Name = NULL;

   }

-  

+

   Storage->ConfigHdr = HiiConstructConfigHdr (

                          &Storage->Guid,

                          Name,

                          FormSet->DriverHandle

                          );

-  

+

   if (Storage->ConfigHdr == NULL) {

     return EFI_NOT_FOUND;

   }

@@ -1188,7 +1188,7 @@ ParseOpCodes (
     case EFI_IFR_SUBTITLE_OP:

       CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);

       ASSERT (CurrentStatement != NULL);

-      

+

       CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;

 

       if (Scope != 0) {

@@ -1249,7 +1249,7 @@ ParseOpCodes (
     case EFI_IFR_NUMERIC_OP:

       CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

       ASSERT(CurrentStatement != NULL);

-      

+

       CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags;

       Value = &CurrentStatement->HiiValue;

 

@@ -1300,7 +1300,7 @@ ParseOpCodes (
     case EFI_IFR_ORDERED_LIST_OP:

       CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

       ASSERT(CurrentStatement != NULL);

-      

+

       CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;

       CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;

 

@@ -1314,7 +1314,7 @@ ParseOpCodes (
     case EFI_IFR_CHECKBOX_OP:

       CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

       ASSERT(CurrentStatement != NULL);

-      

+

       CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;

       CurrentStatement->StorageWidth = sizeof (BOOLEAN);

       CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;

@@ -1363,7 +1363,7 @@ ParseOpCodes (
     case EFI_IFR_DATE_OP:

       CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

       ASSERT(CurrentStatement != NULL);

-      

+

       CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags;

       CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE;

 

@@ -1383,7 +1383,7 @@ ParseOpCodes (
     case EFI_IFR_TIME_OP:

       CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);

       ASSERT(CurrentStatement != NULL);

-      

+

       CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags;

       CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME;

 

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c b/MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c
index bef096c..b7c07e8 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c
@@ -387,7 +387,7 @@ GetNumericInput (
 

     InputText[0] = LEFT_NUMERIC_DELIMITER;

     SetUnicodeMem (InputText + 1, InputWidth, L' ');

-    ASSERT (InputWidth + 2 < MAX_NUMERIC_INPUT_WIDTH); 

+    ASSERT (InputWidth + 2 < MAX_NUMERIC_INPUT_WIDTH);

     InputText[InputWidth + 1] = RIGHT_NUMERIC_DELIMITER;

     InputText[InputWidth + 2] = L'\0';

 

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
index 5b8fc89..93267f0 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Presentation.c
@@ -31,11 +31,11 @@ UI_MENU_SELECTION  *gCurrentSelection;
 **/

 VOID

 ClearLines (

-  UINTN                                       LeftColumn,

-  UINTN                                       RightColumn,

-  UINTN                                       TopRow,

-  UINTN                                       BottomRow,

-  UINTN                                       TextAttribute

+  IN UINTN               LeftColumn,

+  IN UINTN               RightColumn,

+  IN UINTN               TopRow,

+  IN UINTN               BottomRow,

+  IN UINTN               TextAttribute

   )

 {

   CHAR16  *Buffer;

@@ -80,8 +80,8 @@ ClearLines (
 **/

 VOID

 NewStrCat (

-  CHAR16                                      *Destination,

-  CHAR16                                      *Source

+  IN OUT CHAR16               *Destination,

+  IN     CHAR16               *Source

   )

 {

   UINTN Length;

@@ -117,7 +117,7 @@ NewStrCat (
 **/

 UINTN

 GetStringWidth (

-  CHAR16                                      *String

+  IN CHAR16               *String

   )

 {

   UINTN Index;

@@ -460,6 +460,7 @@ DisplayForm (
   FORM_BROWSER_STATEMENT *Statement;

   UINT16                 NumberOfLines;

   EFI_STATUS             Status;

+  UI_MENU_OPTION         *MenuOption;

 

   Handle        = Selection->Handle;

   MenuItemCount = 0;

@@ -494,6 +495,7 @@ DisplayForm (
     return Status;

   }

 

+  Selection->FormEditable = FALSE;

   Link = GetFirstNode (&Selection->Form->StatementListHead);

   while (!IsNull (&Selection->Form->StatementListHead, Link)) {

     Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);

@@ -530,8 +532,15 @@ DisplayForm (
       // We are NOT!! removing this StringPtr buffer via FreePool since it is being used in the menuoptions, we will do

       // it in UiFreeMenu.

       //

-      UiAddMenuOption (StringPtr, Selection->Handle, Statement, NumberOfLines, MenuItemCount);

+      MenuOption = UiAddMenuOption (StringPtr, Selection->Handle, Statement, NumberOfLines, MenuItemCount);

       MenuItemCount++;

+

+      if (MenuOption->IsQuestion && !MenuOption->ReadOnly) {

+        //

+        // At least one item is not readonly, this Form is considered as editable

+        //

+        Selection->FormEditable = TRUE;

+      }

     }

 

     Link = GetNextNode (&Selection->Form->StatementListHead, Link);

@@ -553,7 +562,6 @@ InitializeBrowserStrings (
   VOID

   )

 {

-  gFunctionOneString    = GetToken (STRING_TOKEN (FUNCTION_ONE_STRING), gHiiHandle);

   gFunctionNineString   = GetToken (STRING_TOKEN (FUNCTION_NINE_STRING), gHiiHandle);

   gFunctionTenString    = GetToken (STRING_TOKEN (FUNCTION_TEN_STRING), gHiiHandle);

   gEnterString          = GetToken (STRING_TOKEN (ENTER_STRING), gHiiHandle);

@@ -596,7 +604,6 @@ FreeBrowserStrings (
   VOID

   )

 {

-  FreePool (gFunctionOneString);

   FreePool (gFunctionNineString);

   FreePool (gFunctionTenString);

   FreePool (gEnterString);

@@ -632,12 +639,14 @@ FreeBrowserStrings (
 /**

   Update key's help imformation.

 

+  @param Selection       Tell setup browser the information about the Selection

   @param  MenuOption     The Menu option

   @param  Selected       Whether or not a tag be selected

 

 **/

 VOID

 UpdateKeyHelp (

+  IN  UI_MENU_SELECTION           *Selection,

   IN  UI_MENU_OPTION              *MenuOption,

   IN  BOOLEAN                     Selected

   )

@@ -676,9 +685,10 @@ UpdateKeyHelp (
 

     if (!Selected) {

       if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {

-        PrintStringAt (StartColumnOfHelp, TopRowOfHelp, gFunctionOneString);

-        PrintStringAt (SecCol, TopRowOfHelp, gFunctionNineString);

-        PrintStringAt (ThdCol, TopRowOfHelp, gFunctionTenString);

+        if (Selection->FormEditable) {

+          PrintStringAt (SecCol, TopRowOfHelp, gFunctionNineString);

+          PrintStringAt (ThdCol, TopRowOfHelp, gFunctionTenString);

+        }

         PrintStringAt (ThdCol, BottomRowOfHelp, gEscapeString);

       }

 

@@ -732,9 +742,10 @@ UpdateKeyHelp (
     ClearLines (LeftColumnOfHelp, RightColumnOfHelp, TopRowOfHelp, BottomRowOfHelp, KEYHELP_TEXT | KEYHELP_BACKGROUND);

 

     if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {

-      PrintStringAt (StartColumnOfHelp, TopRowOfHelp, gFunctionOneString);

-      PrintStringAt (SecCol, TopRowOfHelp, gFunctionNineString);

-      PrintStringAt (ThdCol, TopRowOfHelp, gFunctionTenString);

+      if (Selection->FormEditable) {

+        PrintStringAt (SecCol, TopRowOfHelp, gFunctionNineString);

+        PrintStringAt (ThdCol, TopRowOfHelp, gFunctionTenString);

+      }

       PrintStringAt (ThdCol, BottomRowOfHelp, gEscapeString);

     }

 

@@ -752,9 +763,10 @@ UpdateKeyHelp (
 

     if (!Selected) {

       if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {

-        PrintStringAt (StartColumnOfHelp, TopRowOfHelp, gFunctionOneString);

-        PrintStringAt (SecCol, TopRowOfHelp, gFunctionNineString);

-        PrintStringAt (ThdCol, TopRowOfHelp, gFunctionTenString);

+        if (Selection->FormEditable) {

+          PrintStringAt (SecCol, TopRowOfHelp, gFunctionNineString);

+          PrintStringAt (ThdCol, TopRowOfHelp, gFunctionTenString);

+        }

         PrintStringAt (ThdCol, BottomRowOfHelp, gEscapeString);

       }

 

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/ProcessOptions.c b/MdeModulePkg/Universal/SetupBrowserDxe/ProcessOptions.c
index 3dfb567..cebe126 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/ProcessOptions.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/ProcessOptions.c
@@ -819,7 +819,7 @@ ProcessOptions (
 

           TempString = AllocateCopyPool ((Maximum + 1) * sizeof (CHAR16), Question->BufferValue);

           ASSERT (TempString != NULL);

-          

+

           TempString[Maximum] = L'\0';

 

           if (StrCmp (StringPtr, TempString) != 0) {

@@ -965,7 +965,7 @@ ProcessHelpString (
   UINTN *OldIndexArray;

 

   BlockWidth = (UINTN) gHelpBlockWidth - 1;

-  

+

   //

   // every three elements of IndexArray form a screen-line of string:[ IndexArray[i*3], IndexArray[i*3+1] )

   // IndexArray[i*3+2] stores the initial glyph width of single character. to save this is because we want

@@ -992,7 +992,7 @@ ProcessHelpString (
       OldIndexArray  = IndexArray;

       IndexArray = AllocatePool (AllocateSize * sizeof (UINTN) * 3);

       ASSERT (IndexArray != NULL);

-      

+

       CopyMem (IndexArray, OldIndexArray, LineCount * sizeof (UINTN) * 3);

       FreePool (OldIndexArray);

     }

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
index 153dbf4..ae73f09 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
@@ -44,7 +44,6 @@ BOOLEAN               gDownArrow;
 //

 // Browser Global Strings

 //

-CHAR16            *gFunctionOneString;

 CHAR16            *gFunctionNineString;

 CHAR16            *gFunctionTenString;

 CHAR16            *gEnterString;

@@ -2500,10 +2499,6 @@ InitializeFormSet (
       //

       // Function key prompt can not be displayed if the function key has been disabled.

       //

-      if ((gFunctionKeySetting & FUNCTION_ONE) != FUNCTION_ONE) {

-        gFunctionOneString = GetToken (STRING_TOKEN (EMPTY_STRING), gHiiHandle);

-      }

-

       if ((gFunctionKeySetting & FUNCTION_NINE) != FUNCTION_NINE) {

         gFunctionNineString = GetToken (STRING_TOKEN (EMPTY_STRING), gHiiHandle);

       }

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h
index 61e2131..3fc7ed2 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h
@@ -71,9 +71,8 @@ extern UINT8  SetupBrowserStrings[];
 // Definition for function key setting

 //

 #define NONE_FUNCTION_KEY_SETTING     0

-#define DEFAULT_FUNCTION_KEY_SETTING  (FUNCTION_ONE | FUNCTION_NINE | FUNCTION_TEN)

+#define DEFAULT_FUNCTION_KEY_SETTING  (FUNCTION_NINE | FUNCTION_TEN)

 

-#define FUNCTION_ONE                  (1 << 0)

 #define FUNCTION_NINE                 (1 << 2)

 #define FUNCTION_TEN                  (1 << 3)

 

@@ -466,7 +465,6 @@ extern FORM_BROWSER_FORMSET  *gOldFormSet;
 //

 // Browser Global Strings

 //

-extern CHAR16            *gFunctionOneString;

 extern CHAR16            *gFunctionNineString;

 extern CHAR16            *gFunctionTenString;

 extern CHAR16            *gEnterString;

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf b/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
index cb4ca57..0c3a03d 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe.inf
@@ -7,7 +7,7 @@
 #  are licensed and made available under the terms and conditions of the BSD License

 #  which accompanies this distribution. The full text of the license may be found at

 #  http://opensource.org/licenses/bsd-license.php

-#  

+#

 #  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

 #  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

 #

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserStr.uni b/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserStr.uni
index 8339e1f..4652bf6 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserStr.uni
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserStr.uni
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
index 66dc208..62c40e3 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
@@ -558,8 +558,10 @@ UiWaitForSingleEvent (
   @param  NumberOfLines          Display lines for this Menu Option.

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

 

+  @retval Pointer                Pointer to the added Menu Option.

+

 **/

-VOID

+UI_MENU_OPTION *

 UiAddMenuOption (

   IN CHAR16                  *String,

   IN EFI_HII_HANDLE          Handle,

@@ -573,6 +575,7 @@ UiAddMenuOption (
   UINTN           Count;

 

   Count = 1;

+  MenuOption = NULL;

 

   if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {

     //

@@ -617,6 +620,26 @@ UiAddMenuOption (
       MenuOption->GrayOut = Statement->GrayOutExpression->Result.Value.b;

     }

 

+    switch (Statement->Operand) {

+    case EFI_IFR_ORDERED_LIST_OP:

+    case EFI_IFR_ONE_OF_OP:

+    case EFI_IFR_NUMERIC_OP:

+    case EFI_IFR_TIME_OP:

+    case EFI_IFR_DATE_OP:

+    case EFI_IFR_CHECKBOX_OP:

+    case EFI_IFR_PASSWORD_OP:

+    case EFI_IFR_STRING_OP:

+      //

+      // User could change the value of these items

+      //

+      MenuOption->IsQuestion = TRUE;

+      break;

+

+    default:

+      MenuOption->IsQuestion = FALSE;

+      break;

+    }

+

     if ((Statement->ValueExpression != NULL) ||

         ((Statement->QuestionFlags & EFI_IFR_FLAG_READ_ONLY) != 0)) {

       MenuOption->ReadOnly = TRUE;

@@ -624,6 +647,8 @@ UiAddMenuOption (
 

     InsertTailList (&Menu, &MenuOption->Link);

   }

+

+  return MenuOption;

 }

 

 

@@ -2245,7 +2270,7 @@ UiDisplayMenu (
           }

         }

 

-        UpdateKeyHelp (MenuOption, FALSE);

+        UpdateKeyHelp (Selection, MenuOption, FALSE);

 

         //

         // Clear reverse attribute

@@ -2384,8 +2409,7 @@ UiDisplayMenu (
         break;

 

       case CHAR_NULL:

-        if (((Key.ScanCode == SCAN_F1) && ((gFunctionKeySetting & FUNCTION_ONE) != FUNCTION_ONE)) ||

-            ((Key.ScanCode == SCAN_F9) && ((gFunctionKeySetting & FUNCTION_NINE) != FUNCTION_NINE)) ||

+        if (((Key.ScanCode == SCAN_F9) && ((gFunctionKeySetting & FUNCTION_NINE) != FUNCTION_NINE)) ||

             ((Key.ScanCode == SCAN_F10) && ((gFunctionKeySetting & FUNCTION_TEN) != FUNCTION_TEN))

             ) {

           //

@@ -2589,16 +2613,16 @@ UiDisplayMenu (
         //

         // Editable Questions: oneof, ordered list, checkbox, numeric, string, password

         //

-        UpdateKeyHelp (MenuOption, TRUE);

+        UpdateKeyHelp (Selection, MenuOption, TRUE);

         Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);

 

         if (EFI_ERROR (Status)) {

           Repaint = TRUE;

           NewLine = TRUE;

-            UpdateKeyHelp (MenuOption, FALSE);

-          } else {

-            Selection->Action = UI_ACTION_REFRESH_FORM;

-          }

+          UpdateKeyHelp (Selection, MenuOption, FALSE);

+        } else {

+          Selection->Action = UI_ACTION_REFRESH_FORM;

+        }

 

           if (OptionString != NULL) {

             FreePool (OptionString);

@@ -3078,6 +3102,12 @@ UiDisplayMenu (
 

     case CfUiDefault:

       ControlFlag = CfCheckSelection;

+      if (!Selection->FormEditable) {

+        //

+        // This Form is not editable, ignore the F9 (reset to default)

+        //

+        break;

+      }

 

       Status = ExtractFormDefault (Selection->FormSet, Selection->Form, DefaultId);

 

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.h b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.h
index da1ddc4..8816758 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Ui.h
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Ui.h
@@ -108,6 +108,11 @@ typedef struct {
   FORM_BROWSER_FORMSET    *FormSet;

   FORM_BROWSER_FORM       *Form;

   FORM_BROWSER_STATEMENT  *Statement;

+

+  //

+  // Whether the Form is editable

+  //

+  BOOLEAN                 FormEditable;

 } UI_MENU_SELECTION;

 

 #define UI_MENU_OPTION_SIGNATURE  SIGNATURE_32 ('u', 'i', 'm', 'm')

@@ -140,6 +145,11 @@ typedef struct {
 

   BOOLEAN                 GrayOut;

   BOOLEAN                 ReadOnly;

+

+  //

+  // Whether user could change value of this item

+  //

+  BOOLEAN                 IsQuestion;

 } UI_MENU_OPTION;

 

 #define MENU_OPTION_FROM_LINK(a)  CR (a, UI_MENU_OPTION, Link, UI_MENU_OPTION_SIGNATURE)

@@ -280,8 +290,10 @@ UiFreeRefreshList (
   @param  NumberOfLines          Display lines for this Menu Option.

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

 

+  @retval Pointer                Pointer to the added Menu Option.

+

 **/

-VOID

+UI_MENU_OPTION *

 UiAddMenuOption (

   IN CHAR16                  *String,

   IN EFI_HII_HANDLE          Handle,

@@ -589,12 +601,14 @@ ProcessHelpString (
 /**

   Update key's help imformation.

 

+  @param Selection       Tell setup browser the information about the Selection

   @param  MenuOption     The Menu option

   @param  Selected       Whether or not a tag be selected

 

 **/

 VOID

 UpdateKeyHelp (

+  IN  UI_MENU_SELECTION           *Selection,

   IN  UI_MENU_OPTION              *MenuOption,

   IN  BOOLEAN                     Selected

   );

@@ -611,11 +625,11 @@ UpdateKeyHelp (
 **/

 VOID

 ClearLines (

-  UINTN                                       LeftColumn,

-  UINTN                                       RightColumn,

-  UINTN                                       TopRow,

-  UINTN                                       BottomRow,

-  UINTN                                       TextAttribute

+  IN UINTN               LeftColumn,

+  IN UINTN               RightColumn,

+  IN UINTN               TopRow,

+  IN UINTN               BottomRow,

+  IN UINTN               TextAttribute

   );

 

 /**

@@ -634,7 +648,7 @@ ClearLines (
 **/

 UINTN

 GetStringWidth (

-  CHAR16                                      *String

+  IN CHAR16               *String

   );

 

 /**

@@ -683,8 +697,8 @@ GetWidth (
 **/

 VOID

 NewStrCat (

-  CHAR16                                      *Destination,

-  CHAR16                                      *Source

+  IN OUT CHAR16               *Destination,

+  IN     CHAR16               *Source

   );

 

 /**