Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13443 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			3905 lines
		
	
	
		
			124 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			3905 lines
		
	
	
		
			124 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /** @file
 | |
| Utility functions for User Interface functions.
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| 
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| Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
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| This program and the accompanying materials
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| are licensed and made available under the terms and conditions of the BSD License
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| which accompanies this distribution.  The full text of the license may be found at
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| http://opensource.org/licenses/bsd-license.php
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| 
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| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 
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| **/
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| 
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| #include "Setup.h"
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| 
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| LIST_ENTRY          gMenuOption;
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| LIST_ENTRY          gMenuList = INITIALIZE_LIST_HEAD_VARIABLE (gMenuList);
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| MENU_REFRESH_ENTRY  *gMenuRefreshHead;                // Menu list used for refresh timer opcode.
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| MENU_REFRESH_ENTRY  *gMenuEventGuidRefreshHead;       // Menu list used for refresh event guid opcode.
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| 
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| //
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| // Search table for UiDisplayMenu()
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| //
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| SCAN_CODE_TO_SCREEN_OPERATION     gScanCodeToOperation[] = {
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|   {
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|     SCAN_UP,
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|     UiUp,
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|   },
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|   {
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|     SCAN_DOWN,
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|     UiDown,
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|   },
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|   {
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|     SCAN_PAGE_UP,
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|     UiPageUp,
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|   },
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|   {
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|     SCAN_PAGE_DOWN,
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|     UiPageDown,
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|   },
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|   {
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|     SCAN_ESC,
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|     UiReset,
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|   },
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|   {
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|     SCAN_LEFT,
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|     UiLeft,
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|   },
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|   {
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|     SCAN_RIGHT,
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|     UiRight,
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|   }
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| };
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| 
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| UINTN mScanCodeNumber = sizeof (gScanCodeToOperation) / sizeof (gScanCodeToOperation[0]);
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| 
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| SCREEN_OPERATION_T0_CONTROL_FLAG  gScreenOperationToControlFlag[] = {
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|   {
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|     UiNoOperation,
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|     CfUiNoOperation,
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|   },
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|   {
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|     UiSelect,
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|     CfUiSelect,
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|   },
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|   {
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|     UiUp,
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|     CfUiUp,
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|   },
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|   {
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|     UiDown,
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|     CfUiDown,
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|   },
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|   {
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|     UiLeft,
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|     CfUiLeft,
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|   },
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|   {
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|     UiRight,
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|     CfUiRight,
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|   },
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|   {
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|     UiReset,
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|     CfUiReset,
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|   },
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|   {
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|     UiPageUp,
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|     CfUiPageUp,
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|   },
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|   {
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|     UiPageDown,
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|     CfUiPageDown
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|   }, 
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|   {
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|     UiHotKey,
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|     CfUiHotKey
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|   }
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| };
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| 
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| BOOLEAN  mInputError;
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| BOOLEAN GetLineByWidthFinished = FALSE;
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| 
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| 
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| /**
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|   Set Buffer to Value for Size bytes.
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| 
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|   @param  Buffer                 Memory to set.
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|   @param  Size                   Number of bytes to set
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|   @param  Value                  Value of the set operation.
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| 
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| **/
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| VOID
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| SetUnicodeMem (
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|   IN VOID   *Buffer,
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|   IN UINTN  Size,
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|   IN CHAR16 Value
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|   )
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| {
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|   CHAR16  *Ptr;
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| 
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|   Ptr = Buffer;
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|   while ((Size--)  != 0) {
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|     *(Ptr++) = Value;
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|   }
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| }
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| 
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| 
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| /**
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|   Initialize Menu option list.
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| 
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| **/
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| VOID
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| UiInitMenu (
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|   VOID
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|   )
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| {
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|   InitializeListHead (&gMenuOption);
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| }
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| 
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| 
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| /**
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|   Free Menu option linked list.
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| 
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| **/
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| VOID
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| UiFreeMenu (
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|   VOID
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|   )
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| {
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|   UI_MENU_OPTION  *MenuOption;
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| 
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|   while (!IsListEmpty (&gMenuOption)) {
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|     MenuOption = MENU_OPTION_FROM_LINK (gMenuOption.ForwardLink);
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|     RemoveEntryList (&MenuOption->Link);
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| 
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|     //
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|     // We allocated space for this description when we did a GetToken, free it here
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|     //
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|     if (MenuOption->Skip != 0) {
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|       //
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|       // For date/time, MenuOption->Description is shared by three Menu Options
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|       // Data format :      [01/02/2004]      [11:22:33]
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|       // Line number :        0  0    1         0  0  1
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|       //
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|       FreePool (MenuOption->Description);
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|     }
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|     FreePool (MenuOption);
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|   }
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| }
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| 
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| 
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| /**
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|   Create a menu with specified formset GUID and form ID, and add it as a child
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|   of the given parent menu.
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| 
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|   @param  Parent                 The parent of menu to be added.
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|   @param  HiiHandle              Hii handle related to this formset.
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|   @param  FormSetGuid            The Formset Guid of menu to be added.
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|   @param  FormId                 The Form ID of menu to be added.
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| 
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|   @return A pointer to the newly added menu or NULL if memory is insufficient.
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| 
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| **/
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| UI_MENU_LIST *
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| UiAddMenuList (
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|   IN OUT UI_MENU_LIST     *Parent,
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|   IN EFI_HII_HANDLE       HiiHandle,
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|   IN EFI_GUID             *FormSetGuid,
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|   IN UINT16               FormId
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|   )
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| {
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|   UI_MENU_LIST  *MenuList;
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| 
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|   MenuList = AllocateZeroPool (sizeof (UI_MENU_LIST));
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|   if (MenuList == NULL) {
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|     return NULL;
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|   }
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| 
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|   MenuList->Signature = UI_MENU_LIST_SIGNATURE;
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|   InitializeListHead (&MenuList->ChildListHead);
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| 
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|   MenuList->HiiHandle = HiiHandle;
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|   CopyMem (&MenuList->FormSetGuid, FormSetGuid, sizeof (EFI_GUID));
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|   MenuList->FormId = FormId;
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|   MenuList->Parent = Parent;
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| 
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|   if (Parent == NULL) {
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|     //
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|     // If parent is not specified, it is the root Form of a Formset
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|     //
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|     InsertTailList (&gMenuList, &MenuList->Link);
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|   } else {
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|     InsertTailList (&Parent->ChildListHead, &MenuList->Link);
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|   }
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| 
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|   return MenuList;
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| }
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| 
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| 
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| /**
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|   Search Menu with given FormId and FormSetGuid in all cached menu list.
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| 
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|   @param  Parent                 The parent of menu to search.
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|   @param  FormSetGuid            The Formset GUID of the menu to search.  
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|   @param  FormId                 The Form ID of menu to search.
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| 
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|   @return A pointer to menu found or NULL if not found.
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| 
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| **/
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| UI_MENU_LIST *
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| UiFindChildMenuList (
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|   IN UI_MENU_LIST         *Parent,
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|   IN EFI_GUID             *FormSetGuid, 
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|   IN UINT16               FormId
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|   )
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| {
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|   LIST_ENTRY      *Link;
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|   UI_MENU_LIST    *Child;
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|   UI_MENU_LIST    *MenuList;
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| 
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|   ASSERT (Parent != NULL);
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| 
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|   if (Parent->FormId == FormId && CompareGuid (FormSetGuid, &Parent->FormSetGuid)) {
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|     return Parent;
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|   }
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| 
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|   Link = GetFirstNode (&Parent->ChildListHead);
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|   while (!IsNull (&Parent->ChildListHead, Link)) {
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|     Child = UI_MENU_LIST_FROM_LINK (Link);
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| 
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|     MenuList = UiFindChildMenuList (Child, FormSetGuid, FormId);
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|     if (MenuList != NULL) {
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|       return MenuList;
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|     }
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| 
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|     Link = GetNextNode (&Parent->ChildListHead, Link);
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|   }
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| 
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|   return NULL;
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| }
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| 
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| 
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| /**
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|   Search Menu with given FormSetGuid and FormId in all cached menu list.
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| 
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|   @param  FormSetGuid            The Formset GUID of the menu to search.
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|   @param  FormId                 The Form ID of menu to search.
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| 
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|   @return A pointer to menu found or NULL if not found.
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| 
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| **/
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| UI_MENU_LIST *
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| UiFindMenuList (
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|   IN EFI_GUID             *FormSetGuid,
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|   IN UINT16               FormId
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|   )
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| {
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|   LIST_ENTRY      *Link;
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|   UI_MENU_LIST    *MenuList;
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|   UI_MENU_LIST    *Child;
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| 
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|   Link = GetFirstNode (&gMenuList);
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|   while (!IsNull (&gMenuList, Link)) {
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|     MenuList = UI_MENU_LIST_FROM_LINK (Link);
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| 
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|     Child = UiFindChildMenuList(MenuList, FormSetGuid, FormId);
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|     if (Child != NULL) {
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|       return Child;
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|     }
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| 
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|     Link = GetNextNode (&gMenuList, Link);
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|   }
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| 
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|   return NULL;
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| }
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| 
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| 
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| /**
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|   Free Menu option linked list.
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| 
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| **/
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| VOID
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| UiFreeRefreshList (
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|   VOID
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|   )
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| {
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|   MENU_REFRESH_ENTRY  *OldMenuRefreshEntry;
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| 
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|   while (gMenuRefreshHead != NULL) {
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|     OldMenuRefreshEntry = gMenuRefreshHead->Next;
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|     FreePool (gMenuRefreshHead);
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|     gMenuRefreshHead = OldMenuRefreshEntry;
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|   }
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| 
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|   while (gMenuEventGuidRefreshHead != NULL) {
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|     OldMenuRefreshEntry = gMenuEventGuidRefreshHead->Next;
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|     if (gMenuEventGuidRefreshHead != NULL) {
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|       gBS->CloseEvent(gMenuEventGuidRefreshHead->Event);
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|     }
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|     FreePool (gMenuEventGuidRefreshHead);
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|     gMenuEventGuidRefreshHead = OldMenuRefreshEntry;
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|   }
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| }
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| 
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| 
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| /**
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|   Process option string for date/time opcode.
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| 
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|   @param  MenuOption              Menu option point to date/time.
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|   @param  OptionString            Option string input for process.
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|   @param  AddOptCol               Whether need to update MenuOption->OptCol. 
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| 
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| **/
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| VOID 
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| ProcessStringForDateTime (
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|   UI_MENU_OPTION                  *MenuOption,
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|   CHAR16                          *OptionString,
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|   BOOLEAN                         AddOptCol
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|   )
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| {
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|   UINTN Index;
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|   UINTN Count;
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|   FORM_BROWSER_STATEMENT          *Statement;
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| 
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|   ASSERT (MenuOption != NULL && OptionString != NULL);
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|   
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|   Statement = MenuOption->ThisTag;
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|   
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|   //
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|   // If leading spaces on OptionString - remove the spaces
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|   //
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|   for (Index = 0; OptionString[Index] == L' '; Index++) {
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|     //
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|     // Base on the blockspace to get the option column info.
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|     //
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|     if (AddOptCol) {
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|       MenuOption->OptCol++;
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|     }
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|   }
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|   
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|   for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {
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|     OptionString[Count] = OptionString[Index];
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|     Count++;
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|   }
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|   OptionString[Count] = CHAR_NULL;
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|   
 | |
|   //
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|   // Enable to suppress field in the opcode base on the flag.
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|   //
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|   if (Statement->Operand == EFI_IFR_DATE_OP) {
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|     //
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|     // OptionString format is: <**:  **: ****>
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|     //                        |month|day|year|
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|     //                          4     3    5
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|     //
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|     if ((Statement->Flags & EFI_QF_DATE_MONTH_SUPPRESS) && (MenuOption->Sequence == 0)) {
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|       //
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|       // At this point, only "<**:" in the optionstring. 
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|       // Clean the day's ** field, after clean, the format is "<  :"
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|       //
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|       SetUnicodeMem (&OptionString[1], 2, L' ');
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|     } else if ((Statement->Flags & EFI_QF_DATE_DAY_SUPPRESS) && (MenuOption->Sequence == 1)) {
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|       //
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|       // At this point, only "**:" in the optionstring. 
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|       // Clean the month's "**" field, after clean, the format is "  :"
 | |
|       //                
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|       SetUnicodeMem (&OptionString[0], 2, L' ');
 | |
|     } else if ((Statement->Flags & EFI_QF_DATE_YEAR_SUPPRESS) && (MenuOption->Sequence == 2)) {
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|       //
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|       // At this point, only "****>" in the optionstring. 
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|       // Clean the year's "****" field, after clean, the format is "  >"
 | |
|       //                
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|       SetUnicodeMem (&OptionString[0], 4, L' ');
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|     }
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|   } else if (Statement->Operand == EFI_IFR_TIME_OP) {
 | |
|     //
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|     // OptionString format is: <**:  **:    **>
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|     //                        |hour|minute|second|
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|     //                          4     3      3
 | |
|     //
 | |
|     if ((Statement->Flags & QF_TIME_HOUR_SUPPRESS) && (MenuOption->Sequence == 0)) {
 | |
|       //
 | |
|       // At this point, only "<**:" in the optionstring. 
 | |
|       // Clean the hour's ** field, after clean, the format is "<  :"
 | |
|       //
 | |
|       SetUnicodeMem (&OptionString[1], 2, L' ');
 | |
|     } else if ((Statement->Flags & QF_TIME_MINUTE_SUPPRESS) && (MenuOption->Sequence == 1)) {
 | |
|       //
 | |
|       // At this point, only "**:" in the optionstring. 
 | |
|       // Clean the minute's "**" field, after clean, the format is "  :"
 | |
|       //                
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|       SetUnicodeMem (&OptionString[0], 2, L' ');
 | |
|     } else if ((Statement->Flags & QF_TIME_SECOND_SUPPRESS) && (MenuOption->Sequence == 2)) {
 | |
|       //
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|       // At this point, only "**>" in the optionstring. 
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|       // Clean the second's "**" field, after clean, the format is "  >"
 | |
|       //                
 | |
|       SetUnicodeMem (&OptionString[0], 2, L' ');
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Refresh question.
 | |
| 
 | |
|   @param     MenuRefreshEntry    Menu refresh structure which has info about the refresh question.
 | |
| **/
 | |
| EFI_STATUS 
 | |
| RefreshQuestion (
 | |
|   IN   MENU_REFRESH_ENTRY    *MenuRefreshEntry
 | |
|   )
 | |
| {
 | |
|   CHAR16                          *OptionString;
 | |
|   EFI_STATUS                      Status;
 | |
|   UI_MENU_SELECTION               *Selection;
 | |
|   FORM_BROWSER_STATEMENT          *Question;
 | |
| 
 | |
|   Selection = MenuRefreshEntry->Selection;
 | |
|   Question = MenuRefreshEntry->MenuOption->ThisTag;
 | |
| 
 | |
|   Status = GetQuestionValue (Selection->FormSet, Selection->Form, Question, FALSE);
 | |
|   if (EFI_ERROR (Status)) {
 | |
|     return Status;
 | |
|   }
 | |
| 
 | |
|   OptionString = NULL;
 | |
|   ProcessOptions (Selection, MenuRefreshEntry->MenuOption, FALSE, &OptionString);
 | |
| 
 | |
|   if (OptionString != NULL) {
 | |
|     //
 | |
|     // If old Text is longer than new string, need to clean the old string before paint the newer.
 | |
|     // This option is no need for time/date opcode, because time/data opcode has fixed string length.
 | |
|     //
 | |
|     if ((MenuRefreshEntry->MenuOption->ThisTag->Operand != EFI_IFR_DATE_OP) &&
 | |
|       (MenuRefreshEntry->MenuOption->ThisTag->Operand != EFI_IFR_TIME_OP)) {
 | |
|       ClearLines (
 | |
|         MenuRefreshEntry->CurrentColumn, 
 | |
|         MenuRefreshEntry->CurrentColumn + gOptionBlockWidth - 1,
 | |
|         MenuRefreshEntry->CurrentRow,
 | |
|         MenuRefreshEntry->CurrentRow,
 | |
|         PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND
 | |
|         );
 | |
|     }
 | |
| 
 | |
|     gST->ConOut->SetAttribute (gST->ConOut, MenuRefreshEntry->CurrentAttribute);
 | |
|     ProcessStringForDateTime(MenuRefreshEntry->MenuOption, OptionString, FALSE);
 | |
|     PrintStringAt (MenuRefreshEntry->CurrentColumn, MenuRefreshEntry->CurrentRow, OptionString);
 | |
|     FreePool (OptionString);
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Question value may be changed, need invoke its Callback()
 | |
|   //
 | |
|   Status = ProcessCallBackFunction (Selection, Question, EFI_BROWSER_ACTION_CHANGING, FALSE);
 | |
| 
 | |
|   return Status;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Refresh the question which has refresh guid event attribute.
 | |
|   
 | |
|   @param Event    The event which has this function related.     
 | |
|   @param Context  The input context info related to this event or the status code return to the caller.
 | |
| **/
 | |
| VOID
 | |
| EFIAPI
 | |
| RefreshQuestionNotify(
 | |
|   IN      EFI_EVENT Event,
 | |
|   IN      VOID      *Context
 | |
|   )
 | |
| {
 | |
|   MENU_REFRESH_ENTRY              *MenuRefreshEntry;
 | |
|   UI_MENU_SELECTION               *Selection;
 | |
| 
 | |
|   //
 | |
|   // Reset FormPackage update flag
 | |
|   //
 | |
|   mHiiPackageListUpdated = FALSE;
 | |
| 
 | |
|   MenuRefreshEntry = (MENU_REFRESH_ENTRY *)Context;
 | |
|   ASSERT (MenuRefreshEntry != NULL);
 | |
|   Selection = MenuRefreshEntry->Selection;
 | |
| 
 | |
|   RefreshQuestion (MenuRefreshEntry);
 | |
|   
 | |
|   if (mHiiPackageListUpdated) {
 | |
|     //
 | |
|     // Package list is updated, force to reparse IFR binary of target Formset
 | |
|     //
 | |
|     mHiiPackageListUpdated = FALSE;
 | |
|     Selection->Action = UI_ACTION_REFRESH_FORMSET;
 | |
|   } 
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Refresh screen.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| RefreshForm (
 | |
|   VOID
 | |
|   )
 | |
| {
 | |
|   MENU_REFRESH_ENTRY              *MenuRefreshEntry;
 | |
|   EFI_STATUS                      Status;
 | |
|   UI_MENU_SELECTION               *Selection;
 | |
| 
 | |
|   if (gMenuRefreshHead != NULL) {
 | |
|     //
 | |
|     // call from refresh interval process.
 | |
|     //
 | |
|     MenuRefreshEntry = gMenuRefreshHead;
 | |
|     Selection = MenuRefreshEntry->Selection;
 | |
|     //
 | |
|     // Reset FormPackage update flag
 | |
|     //
 | |
|     mHiiPackageListUpdated = FALSE;
 | |
| 
 | |
|     do {
 | |
|       Status = RefreshQuestion (MenuRefreshEntry);
 | |
|       if (EFI_ERROR (Status)) {
 | |
|         return Status;
 | |
|       }
 | |
| 
 | |
|       MenuRefreshEntry = MenuRefreshEntry->Next;
 | |
| 
 | |
|     } while (MenuRefreshEntry != NULL);
 | |
| 
 | |
|     if (mHiiPackageListUpdated) {
 | |
|       //
 | |
|       // Package list is updated, force to reparse IFR binary of target Formset
 | |
|       //
 | |
|       mHiiPackageListUpdated = FALSE;
 | |
|       Selection->Action = UI_ACTION_REFRESH_FORMSET;
 | |
|       return EFI_SUCCESS;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return EFI_TIMEOUT;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Wait for a given event to fire, or for an optional timeout to expire.
 | |
| 
 | |
|   @param  Event                  The event to wait for
 | |
|   @param  Timeout                An optional timeout value in 100 ns units.
 | |
|   @param  RefreshInterval        Menu refresh interval (in seconds).
 | |
| 
 | |
|   @retval EFI_SUCCESS            Event fired before Timeout expired.
 | |
|   @retval EFI_TIME_OUT           Timout expired before Event fired.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| UiWaitForSingleEvent (
 | |
|   IN EFI_EVENT                Event,
 | |
|   IN UINT64                   Timeout, OPTIONAL
 | |
|   IN UINT8                    RefreshInterval OPTIONAL
 | |
|   )
 | |
| {
 | |
|   EFI_STATUS  Status;
 | |
|   UINTN       Index;
 | |
|   EFI_EVENT   TimerEvent;
 | |
|   EFI_EVENT   WaitList[2];
 | |
| 
 | |
|   if (Timeout != 0) {
 | |
|     //
 | |
|     // Create a timer event
 | |
|     //
 | |
|     Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);
 | |
|     if (!EFI_ERROR (Status)) {
 | |
|       //
 | |
|       // Set the timer event
 | |
|       //
 | |
|       gBS->SetTimer (
 | |
|             TimerEvent,
 | |
|             TimerRelative,
 | |
|             Timeout
 | |
|             );
 | |
| 
 | |
|       //
 | |
|       // Wait for the original event or the timer
 | |
|       //
 | |
|       WaitList[0] = Event;
 | |
|       WaitList[1] = TimerEvent;
 | |
|       Status      = gBS->WaitForEvent (2, WaitList, &Index);
 | |
|       gBS->CloseEvent (TimerEvent);
 | |
| 
 | |
|       //
 | |
|       // If the timer expired, change the return to timed out
 | |
|       //
 | |
|       if (!EFI_ERROR (Status) && Index == 1) {
 | |
|         Status = EFI_TIMEOUT;
 | |
|       }
 | |
|     }
 | |
|   } else {
 | |
|     //
 | |
|     // Update screen every second
 | |
|     //
 | |
|     if (RefreshInterval == 0) {
 | |
|       Timeout = ONE_SECOND;
 | |
|     } else {
 | |
|       Timeout = RefreshInterval * ONE_SECOND;
 | |
|     }
 | |
| 
 | |
|     do {
 | |
|       Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);
 | |
| 
 | |
|       //
 | |
|       // Set the timer event
 | |
|       //
 | |
|       gBS->SetTimer (
 | |
|             TimerEvent,
 | |
|             TimerRelative,
 | |
|             Timeout
 | |
|             );
 | |
| 
 | |
|       //
 | |
|       // Wait for the original event or the timer
 | |
|       //
 | |
|       WaitList[0] = Event;
 | |
|       WaitList[1] = TimerEvent;
 | |
|       Status      = gBS->WaitForEvent (2, WaitList, &Index);
 | |
| 
 | |
|       //
 | |
|       // If the timer expired, update anything that needs a refresh and keep waiting
 | |
|       //
 | |
|       if (!EFI_ERROR (Status) && Index == 1) {
 | |
|         Status = EFI_TIMEOUT;
 | |
|         if (RefreshInterval != 0) {
 | |
|           Status = RefreshForm ();
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       gBS->CloseEvent (TimerEvent);
 | |
|     } while (Status == EFI_TIMEOUT);
 | |
|   }
 | |
| 
 | |
|   return Status;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Add one menu option by specified description and context.
 | |
| 
 | |
|   @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.
 | |
| 
 | |
|   @retval Pointer                Pointer to the added Menu Option.
 | |
| 
 | |
| **/
 | |
| 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
 | |
|   )
 | |
| {
 | |
|   UI_MENU_OPTION  *MenuOption;
 | |
|   UINTN           Index;
 | |
|   UINTN           Count;
 | |
| 
 | |
|   Count = 1;
 | |
|   MenuOption = NULL;
 | |
| 
 | |
|   if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {
 | |
|     //
 | |
|     // Add three MenuOptions for Date/Time
 | |
|     // Data format :      [01/02/2004]      [11:22:33]
 | |
|     // Line number :        0  0    1         0  0  1
 | |
|     //
 | |
|     NumberOfLines = 0;
 | |
|     Count = 3;
 | |
| 
 | |
|     if (Statement->Storage == NULL) {
 | |
|       //
 | |
|       // For RTC type of date/time, set default refresh interval to be 1 second
 | |
|       //
 | |
|       if (Statement->RefreshInterval == 0) {
 | |
|         Statement->RefreshInterval = 1;
 | |
|       }
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   for (Index = 0; Index < Count; Index++) {
 | |
|     MenuOption = AllocateZeroPool (sizeof (UI_MENU_OPTION));
 | |
|     ASSERT (MenuOption);
 | |
| 
 | |
|     MenuOption->Signature   = UI_MENU_OPTION_SIGNATURE;
 | |
|     MenuOption->Description = String;
 | |
|     MenuOption->Handle      = Handle;
 | |
|     MenuOption->ThisTag     = Statement;
 | |
|     MenuOption->EntryNumber = MenuItemCount;
 | |
| 
 | |
|     if (Index == 2) {
 | |
|       //
 | |
|       // Override LineNumber for the MenuOption in Date/Time sequence
 | |
|       //
 | |
|       MenuOption->Skip = 1;
 | |
|     } else {
 | |
|       MenuOption->Skip = NumberOfLines;
 | |
|     }
 | |
|     MenuOption->Sequence = Index;
 | |
| 
 | |
|     if (EvaluateExpressionList(Statement->Expression, FALSE, NULL, NULL) == ExpressGrayOut ) {
 | |
|       MenuOption->GrayOut = TRUE;
 | |
|     } else {
 | |
|       MenuOption->GrayOut = FALSE;
 | |
|     }
 | |
| 
 | |
|     //
 | |
|     // 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:
 | |
|     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;
 | |
| 
 | |
|     case EFI_IFR_TEXT_OP:
 | |
|       if (FeaturePcdGet (PcdBrowserGrayOutTextStatement)) {
 | |
|         //
 | |
|         // Initializing GrayOut option as TRUE for Text setup options 
 | |
|         // so that those options will be Gray in colour and un selectable.
 | |
|         //
 | |
|         MenuOption->GrayOut = TRUE;
 | |
|       }
 | |
| 
 | |
|     default:
 | |
|       MenuOption->IsQuestion = FALSE;
 | |
|       break;
 | |
|     }
 | |
| 
 | |
|     if ((Statement->ValueExpression != NULL) ||
 | |
|         ((Statement->QuestionFlags & EFI_IFR_FLAG_READ_ONLY) != 0)) {
 | |
|       MenuOption->ReadOnly = TRUE;
 | |
|     }
 | |
| 
 | |
|     InsertTailList (&gMenuOption, &MenuOption->Link);
 | |
|   }
 | |
| 
 | |
|   return MenuOption;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Routine used to abstract a generic dialog interface and return the selected key or string
 | |
| 
 | |
|   @param  NumberOfLines          The number of lines for the dialog box
 | |
|   @param  HotKey                 Defines whether a single character is parsed
 | |
|                                  (TRUE) and returned in KeyValue or a string is
 | |
|                                  returned in StringBuffer.  Two special characters
 | |
|                                  are considered when entering a string, a SCAN_ESC
 | |
|                                  and an CHAR_CARRIAGE_RETURN.  SCAN_ESC terminates
 | |
|                                  string input and returns
 | |
|   @param  MaximumStringSize      The maximum size in bytes of a typed in string
 | |
|                                  (each character is a CHAR16) and the minimum
 | |
|                                  string returned is two bytes
 | |
|   @param  StringBuffer           The passed in pointer to the buffer which will
 | |
|                                  hold the typed in string if HotKey is FALSE
 | |
|   @param  KeyValue               The EFI_KEY value returned if HotKey is TRUE..
 | |
|   @param  ...                    A series of (quantity == NumberOfLines) text
 | |
|                                  strings which will be used to construct the dialog
 | |
|                                  box
 | |
| 
 | |
|   @retval EFI_SUCCESS            Displayed dialog and received user interaction
 | |
|   @retval EFI_INVALID_PARAMETER  One of the parameters was invalid (e.g.
 | |
|                                  (StringBuffer == NULL) && (HotKey == FALSE))
 | |
|   @retval EFI_DEVICE_ERROR       User typed in an ESC character to exit the routine
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| EFIAPI
 | |
| CreateDialog (
 | |
|   IN  UINTN                       NumberOfLines,
 | |
|   IN  BOOLEAN                     HotKey,
 | |
|   IN  UINTN                       MaximumStringSize,
 | |
|   OUT CHAR16                      *StringBuffer,
 | |
|   OUT EFI_INPUT_KEY               *KeyValue,
 | |
|   ...
 | |
|   )
 | |
| {
 | |
|   VA_LIST       Marker;
 | |
|   UINTN         Count;
 | |
|   EFI_INPUT_KEY Key;
 | |
|   UINTN         LargestString;
 | |
|   CHAR16        *TempString;
 | |
|   CHAR16        *BufferedString;
 | |
|   CHAR16        *StackString;
 | |
|   CHAR16        KeyPad[2];
 | |
|   UINTN         Start;
 | |
|   UINTN         Top;
 | |
|   UINTN         Index;
 | |
|   EFI_STATUS    Status;
 | |
|   BOOLEAN       SelectionComplete;
 | |
|   UINTN         InputOffset;
 | |
|   UINTN         CurrentAttribute;
 | |
|   UINTN         DimensionsWidth;
 | |
|   UINTN         DimensionsHeight;
 | |
| 
 | |
|   DimensionsWidth   = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;
 | |
|   DimensionsHeight  = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;
 | |
| 
 | |
|   SelectionComplete = FALSE;
 | |
|   InputOffset       = 0;
 | |
|   TempString        = AllocateZeroPool (MaximumStringSize * 2);
 | |
|   BufferedString    = AllocateZeroPool (MaximumStringSize * 2);
 | |
|   CurrentAttribute  = gST->ConOut->Mode->Attribute;
 | |
| 
 | |
|   ASSERT (TempString);
 | |
|   ASSERT (BufferedString);
 | |
| 
 | |
|   //
 | |
|   // Zero the outgoing buffer
 | |
|   //
 | |
|   ZeroMem (StringBuffer, MaximumStringSize);
 | |
| 
 | |
|   if (HotKey) {
 | |
|     if (KeyValue == NULL) {
 | |
|       return EFI_INVALID_PARAMETER;
 | |
|     }
 | |
|   } else {
 | |
|     if (StringBuffer == NULL) {
 | |
|       return EFI_INVALID_PARAMETER;
 | |
|     }
 | |
|   }
 | |
|   //
 | |
|   // Disable cursor
 | |
|   //
 | |
|   gST->ConOut->EnableCursor (gST->ConOut, FALSE);
 | |
| 
 | |
|   LargestString = 0;
 | |
| 
 | |
|   VA_START (Marker, KeyValue);
 | |
| 
 | |
|   //
 | |
|   // Determine the largest string in the dialog box
 | |
|   // Notice we are starting with 1 since String is the first string
 | |
|   //
 | |
|   for (Count = 0; Count < NumberOfLines; Count++) {
 | |
|     StackString = VA_ARG (Marker, CHAR16 *);
 | |
| 
 | |
|     if (StackString[0] == L' ') {
 | |
|       InputOffset = Count + 1;
 | |
|     }
 | |
| 
 | |
|     if ((GetStringWidth (StackString) / 2) > LargestString) {
 | |
|       //
 | |
|       // Size of the string visually and subtract the width by one for the null-terminator
 | |
|       //
 | |
|       LargestString = (GetStringWidth (StackString) / 2);
 | |
|     }
 | |
|   }
 | |
|   VA_END (Marker);
 | |
| 
 | |
|   Start = (DimensionsWidth - LargestString - 2) / 2 + gScreenDimensions.LeftColumn + 1;
 | |
|   Top   = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1;
 | |
| 
 | |
|   Count = 0;
 | |
| 
 | |
|   //
 | |
|   // Display the Popup
 | |
|   //
 | |
|   VA_START (Marker, KeyValue);
 | |
|   CreateSharedPopUp (LargestString, NumberOfLines, Marker);
 | |
|   VA_END (Marker);
 | |
| 
 | |
|   //
 | |
|   // Take the first key typed and report it back?
 | |
|   //
 | |
|   if (HotKey) {
 | |
|     Status = WaitForKeyStroke (&Key);
 | |
|     ASSERT_EFI_ERROR (Status);
 | |
|     CopyMem (KeyValue, &Key, sizeof (EFI_INPUT_KEY));
 | |
| 
 | |
|   } else {
 | |
|     do {
 | |
|       Status = WaitForKeyStroke (&Key);
 | |
| 
 | |
|       switch (Key.UnicodeChar) {
 | |
|       case CHAR_NULL:
 | |
|         switch (Key.ScanCode) {
 | |
|         case SCAN_ESC:
 | |
|           FreePool (TempString);
 | |
|           FreePool (BufferedString);
 | |
|           gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);
 | |
|           gST->ConOut->EnableCursor (gST->ConOut, TRUE);
 | |
|           return EFI_DEVICE_ERROR;
 | |
| 
 | |
|         default:
 | |
|           break;
 | |
|         }
 | |
| 
 | |
|         break;
 | |
| 
 | |
|       case CHAR_CARRIAGE_RETURN:
 | |
|         SelectionComplete = TRUE;
 | |
|         FreePool (TempString);
 | |
|         FreePool (BufferedString);
 | |
|         gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);
 | |
|         gST->ConOut->EnableCursor (gST->ConOut, TRUE);
 | |
|         return EFI_SUCCESS;
 | |
|         break;
 | |
| 
 | |
|       case CHAR_BACKSPACE:
 | |
|         if (StringBuffer[0] != CHAR_NULL) {
 | |
|           for (Index = 0; StringBuffer[Index] != CHAR_NULL; Index++) {
 | |
|             TempString[Index] = StringBuffer[Index];
 | |
|           }
 | |
|           //
 | |
|           // Effectively truncate string by 1 character
 | |
|           //
 | |
|           TempString[Index - 1] = CHAR_NULL;
 | |
|           StrCpy (StringBuffer, TempString);
 | |
|         }
 | |
| 
 | |
|       default:
 | |
|         //
 | |
|         // If it is the beginning of the string, don't worry about checking maximum limits
 | |
|         //
 | |
|         if ((StringBuffer[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) {
 | |
|           StrnCpy (StringBuffer, &Key.UnicodeChar, 1);
 | |
|           StrnCpy (TempString, &Key.UnicodeChar, 1);
 | |
|         } else if ((GetStringWidth (StringBuffer) < MaximumStringSize) && (Key.UnicodeChar != CHAR_BACKSPACE)) {
 | |
|           KeyPad[0] = Key.UnicodeChar;
 | |
|           KeyPad[1] = CHAR_NULL;
 | |
|           StrCat (StringBuffer, KeyPad);
 | |
|           StrCat (TempString, KeyPad);
 | |
|         }
 | |
|         //
 | |
|         // If the width of the input string is now larger than the screen, we nee to
 | |
|         // adjust the index to start printing portions of the string
 | |
|         //
 | |
|         SetUnicodeMem (BufferedString, LargestString, L' ');
 | |
| 
 | |
|         PrintStringAt (Start + 1, Top + InputOffset, BufferedString);
 | |
| 
 | |
|         if ((GetStringWidth (StringBuffer) / 2) > (DimensionsWidth - 2)) {
 | |
|           Index = (GetStringWidth (StringBuffer) / 2) - DimensionsWidth + 2;
 | |
|         } else {
 | |
|           Index = 0;
 | |
|         }
 | |
| 
 | |
|         for (Count = 0; Index + 1 < GetStringWidth (StringBuffer) / 2; Index++, Count++) {
 | |
|           BufferedString[Count] = StringBuffer[Index];
 | |
|         }
 | |
| 
 | |
|         PrintStringAt (Start + 1, Top + InputOffset, BufferedString);
 | |
|         break;
 | |
|       }
 | |
|     } while (!SelectionComplete);
 | |
|   }
 | |
| 
 | |
|   gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);
 | |
|   gST->ConOut->EnableCursor (gST->ConOut, TRUE);
 | |
|   return EFI_SUCCESS;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Draw a pop up windows based on the dimension, number of lines and
 | |
|   strings specified.
 | |
| 
 | |
|   @param RequestedWidth  The width of the pop-up.
 | |
|   @param NumberOfLines   The number of lines.
 | |
|   @param Marker          The variable argument list for the list of string to be printed.
 | |
| 
 | |
| **/
 | |
| VOID
 | |
| CreateSharedPopUp (
 | |
|   IN  UINTN                       RequestedWidth,
 | |
|   IN  UINTN                       NumberOfLines,
 | |
|   IN  VA_LIST                     Marker
 | |
|   )
 | |
| {
 | |
|   UINTN   Index;
 | |
|   UINTN   Count;
 | |
|   CHAR16  Character;
 | |
|   UINTN   Start;
 | |
|   UINTN   End;
 | |
|   UINTN   Top;
 | |
|   UINTN   Bottom;
 | |
|   CHAR16  *String;
 | |
|   UINTN   DimensionsWidth;
 | |
|   UINTN   DimensionsHeight;
 | |
| 
 | |
|   DimensionsWidth   = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;
 | |
|   DimensionsHeight  = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;
 | |
| 
 | |
|   gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);
 | |
| 
 | |
|   if ((RequestedWidth + 2) > DimensionsWidth) {
 | |
|     RequestedWidth = DimensionsWidth - 2;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Subtract the PopUp width from total Columns, allow for one space extra on
 | |
|   // each end plus a border.
 | |
|   //
 | |
|   Start     = (DimensionsWidth - RequestedWidth - 2) / 2 + gScreenDimensions.LeftColumn + 1;
 | |
|   End       = Start + RequestedWidth + 1;
 | |
| 
 | |
|   Top       = ((DimensionsHeight - NumberOfLines - 2) / 2) + gScreenDimensions.TopRow - 1;
 | |
|   Bottom    = Top + NumberOfLines + 2;
 | |
| 
 | |
|   Character = BOXDRAW_DOWN_RIGHT;
 | |
|   PrintCharAt (Start, Top, Character);
 | |
|   Character = BOXDRAW_HORIZONTAL;
 | |
|   for (Index = Start; Index + 2 < End; Index++) {
 | |
|     PrintChar (Character);
 | |
|   }
 | |
| 
 | |
|   Character = BOXDRAW_DOWN_LEFT;
 | |
|   PrintChar (Character);
 | |
|   Character = BOXDRAW_VERTICAL;
 | |
| 
 | |
|   Count = 0;
 | |
|   for (Index = Top; Index + 2 < Bottom; Index++, Count++) {
 | |
|     String = VA_ARG (Marker, CHAR16*);
 | |
| 
 | |
|     //
 | |
|     // This will clear the background of the line - we never know who might have been
 | |
|     // here before us.  This differs from the next clear in that it used the non-reverse
 | |
|     // video for normal printing.
 | |
|     //
 | |
|     if (GetStringWidth (String) / 2 > 1) {
 | |
|       ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND);
 | |
|     }
 | |
| 
 | |
|     //
 | |
|     // Passing in a space results in the assumption that this is where typing will occur
 | |
|     //
 | |
|     if (String[0] == L' ') {
 | |
|       ClearLines (Start + 1, End - 1, Index + 1, Index + 1, POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND);
 | |
|     }
 | |
| 
 | |
|     //
 | |
|     // Passing in a NULL results in a blank space
 | |
|     //
 | |
|     if (String[0] == CHAR_NULL) {
 | |
|       ClearLines (Start, End, Index + 1, Index + 1, POPUP_TEXT | POPUP_BACKGROUND);
 | |
|     }
 | |
| 
 | |
|     PrintStringAt (
 | |
|       ((DimensionsWidth - GetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1,
 | |
|       Index + 1,
 | |
|       String
 | |
|       );
 | |
|     gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);
 | |
|     PrintCharAt (Start, Index + 1, Character);
 | |
|     PrintCharAt (End - 1, Index + 1, Character);
 | |
|   }
 | |
| 
 | |
|   Character = BOXDRAW_UP_RIGHT;
 | |
|   PrintCharAt (Start, Bottom - 1, Character);
 | |
|   Character = BOXDRAW_HORIZONTAL;
 | |
|   for (Index = Start; Index + 2 < End; Index++) {
 | |
|     PrintChar (Character);
 | |
|   }
 | |
| 
 | |
|   Character = BOXDRAW_UP_LEFT;
 | |
|   PrintChar (Character);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Draw a pop up windows based on the dimension, number of lines and
 | |
|   strings specified.
 | |
| 
 | |
|   @param RequestedWidth  The width of the pop-up.
 | |
|   @param NumberOfLines   The number of lines.
 | |
|   @param ...             A series of text strings that displayed in the pop-up.
 | |
| 
 | |
| **/
 | |
| VOID
 | |
| EFIAPI
 | |
| CreateMultiStringPopUp (
 | |
|   IN  UINTN                       RequestedWidth,
 | |
|   IN  UINTN                       NumberOfLines,
 | |
|   ...
 | |
|   )
 | |
| {
 | |
|   VA_LIST Marker;
 | |
| 
 | |
|   VA_START (Marker, NumberOfLines);
 | |
| 
 | |
|   CreateSharedPopUp (RequestedWidth, NumberOfLines, Marker);
 | |
| 
 | |
|   VA_END (Marker);
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Update status bar on the bottom of menu.
 | |
| 
 | |
|   @param  Selection              Current Selction info.
 | |
|   @param  MessageType            The type of message to be shown.
 | |
|   @param  Flags                  The flags in Question header.
 | |
|   @param  State                  Set or clear.
 | |
| 
 | |
| **/
 | |
| VOID
 | |
| UpdateStatusBar (
 | |
|   IN  UI_MENU_SELECTION           *Selection,
 | |
|   IN  UINTN                       MessageType,
 | |
|   IN  UINT8                       Flags,
 | |
|   IN  BOOLEAN                     State
 | |
|   )
 | |
| {
 | |
|   UINTN           Index;
 | |
|   CHAR16          *NvUpdateMessage;
 | |
|   CHAR16          *InputErrorMessage;
 | |
|   LIST_ENTRY              *Link;
 | |
|   FORM_BROWSER_FORMSET    *LocalFormSet;
 | |
|   FORM_BROWSER_STATEMENT  *Question;
 | |
|   
 | |
|   NvUpdateMessage   = GetToken (STRING_TOKEN (NV_UPDATE_MESSAGE), gHiiHandle);
 | |
|   InputErrorMessage = GetToken (STRING_TOKEN (INPUT_ERROR_MESSAGE), gHiiHandle);
 | |
| 
 | |
|   switch (MessageType) {
 | |
|   case INPUT_ERROR:
 | |
|     if (State) {
 | |
|       gST->ConOut->SetAttribute (gST->ConOut, ERROR_TEXT);
 | |
|       PrintStringAt (
 | |
|         gScreenDimensions.LeftColumn + gPromptBlockWidth,
 | |
|         gScreenDimensions.BottomRow - 1,
 | |
|         InputErrorMessage
 | |
|         );
 | |
|       mInputError = TRUE;
 | |
|     } else {
 | |
|       gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextHighlightColor));
 | |
|       for (Index = 0; Index < (GetStringWidth (InputErrorMessage) - 2) / 2; Index++) {
 | |
|         PrintAt (gScreenDimensions.LeftColumn + gPromptBlockWidth + Index, gScreenDimensions.BottomRow - 1, L"  ");
 | |
|       }
 | |
| 
 | |
|       mInputError = FALSE;
 | |
|     }
 | |
|     break;
 | |
| 
 | |
|   case NV_UPDATE_REQUIRED:
 | |
|     //
 | |
|     // Global setting support. Show configuration change on every form.
 | |
|     //
 | |
|     if (State) {
 | |
|       gResetRequired    = (BOOLEAN) (gResetRequired | ((Flags & EFI_IFR_FLAG_RESET_REQUIRED) == EFI_IFR_FLAG_RESET_REQUIRED));
 | |
| 
 | |
|       if (Selection != NULL && Selection->Statement != NULL) {
 | |
|         Question = Selection->Statement;
 | |
|         if (Question->Storage != NULL || Question->Operand == EFI_IFR_DATE_OP || Question->Operand == EFI_IFR_TIME_OP) {
 | |
|           //
 | |
|           // Update only for Question value that need to be saved into Storage.
 | |
|           //
 | |
|           Selection->Form->NvUpdateRequired = TRUE;
 | |
|         }
 | |
|       }
 | |
|       
 | |
|       if (Selection == NULL || IsNvUpdateRequired (Selection->FormSet)) {
 | |
|         gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT);
 | |
|         PrintStringAt (
 | |
|           gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth,
 | |
|           gScreenDimensions.BottomRow - 1,
 | |
|           NvUpdateMessage
 | |
|           );
 | |
|       }
 | |
|     } else {
 | |
|       gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextHighlightColor));
 | |
|       for (Index = 0; Index < (GetStringWidth (NvUpdateMessage) - 2) / 2; Index++) {
 | |
|         PrintAt (
 | |
|           (gScreenDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + Index),
 | |
|           gScreenDimensions.BottomRow - 1,
 | |
|           L"  "
 | |
|           );
 | |
|       }
 | |
|     }
 | |
|     break;
 | |
| 
 | |
|   case REFRESH_STATUS_BAR:
 | |
|     if (mInputError) {
 | |
|       UpdateStatusBar (Selection, INPUT_ERROR, Flags, TRUE);
 | |
|     }
 | |
| 
 | |
|     switch (gBrowserSettingScope) {
 | |
|     case SystemLevel:
 | |
|       //
 | |
|       // Check the maintain list to see whether there is any change.
 | |
|       //
 | |
|       Link = GetFirstNode (&gBrowserFormSetList);
 | |
|       while (!IsNull (&gBrowserFormSetList, Link)) {
 | |
|         LocalFormSet = FORM_BROWSER_FORMSET_FROM_LINK (Link);
 | |
|         if (IsNvUpdateRequired(LocalFormSet)) {
 | |
|           UpdateStatusBar (NULL, NV_UPDATE_REQUIRED, Flags, TRUE);
 | |
|           break;
 | |
|         }
 | |
|         Link = GetNextNode (&gBrowserFormSetList, Link);
 | |
|       }
 | |
|       break;
 | |
|     case FormSetLevel:
 | |
|     case FormLevel:
 | |
|       UpdateStatusBar (Selection, NV_UPDATE_REQUIRED, Flags, TRUE);
 | |
|     default:
 | |
|       break;
 | |
|     }
 | |
| 
 | |
|     break;
 | |
| 
 | |
|   default:
 | |
|     break;
 | |
|   }
 | |
| 
 | |
|   FreePool (InputErrorMessage);
 | |
|   FreePool (NvUpdateMessage);
 | |
|   return ;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Get the supported width for a particular op-code
 | |
| 
 | |
|   @param  Statement              The FORM_BROWSER_STATEMENT structure passed in.
 | |
|   @param  Handle                 The handle in the HII database being used
 | |
| 
 | |
|   @return Returns the number of CHAR16 characters that is support.
 | |
| 
 | |
| **/
 | |
| UINT16
 | |
| GetWidth (
 | |
|   IN FORM_BROWSER_STATEMENT        *Statement,
 | |
|   IN EFI_HII_HANDLE                 Handle
 | |
|   )
 | |
| {
 | |
|   CHAR16  *String;
 | |
|   UINTN   Size;
 | |
|   UINT16  Width;
 | |
| 
 | |
|   Size = 0;
 | |
| 
 | |
|   //
 | |
|   // See if the second text parameter is really NULL
 | |
|   //
 | |
|   if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {
 | |
|     String = GetToken (Statement->TextTwo, Handle);
 | |
|     Size   = StrLen (String);
 | |
|     FreePool (String);
 | |
|   }
 | |
| 
 | |
|   if ((Statement->Operand == EFI_IFR_SUBTITLE_OP) ||
 | |
|       (Statement->Operand == EFI_IFR_REF_OP) ||
 | |
|       (Statement->Operand == EFI_IFR_PASSWORD_OP) ||
 | |
|       (Statement->Operand == EFI_IFR_ACTION_OP) ||
 | |
|       (Statement->Operand == EFI_IFR_RESET_BUTTON_OP) ||
 | |
|       //
 | |
|       // Allow a wide display if text op-code and no secondary text op-code
 | |
|       //
 | |
|       ((Statement->Operand == EFI_IFR_TEXT_OP) && (Size == 0))
 | |
|       ) {
 | |
|     Width = (UINT16) (gPromptBlockWidth + gOptionBlockWidth);
 | |
|   } else {
 | |
|     Width = (UINT16) gPromptBlockWidth;
 | |
|   }
 | |
| 
 | |
|   if (Statement->InSubtitle) {
 | |
|     Width -= SUBTITLE_INDENT;
 | |
|   }
 | |
| 
 | |
|   return (UINT16) (Width - LEFT_SKIPPED_COLUMNS);
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Will copy LineWidth amount of a string in the OutputString buffer and return the
 | |
|   number of CHAR16 characters that were copied into the OutputString buffer.
 | |
|   The output string format is:
 | |
|     Glyph Info + String info + '\0'.
 | |
| 
 | |
|   In the code, it deals \r,\n,\r\n same as \n\r, also it not process the \r or \g.
 | |
| 
 | |
|   @param  InputString            String description for this option.
 | |
|   @param  LineWidth              Width of the desired string to extract in CHAR16
 | |
|                                  characters
 | |
|   @param  GlyphWidth             The glyph width of the begin of the char in the string.
 | |
|   @param  Index                  Where in InputString to start the copy process
 | |
|   @param  OutputString           Buffer to copy the string into
 | |
| 
 | |
|   @return Returns the number of CHAR16 characters that were copied into the OutputString 
 | |
|   buffer, include extra glyph info and '\0' info.
 | |
| 
 | |
| **/
 | |
| UINT16
 | |
| GetLineByWidth (
 | |
|   IN      CHAR16                      *InputString,
 | |
|   IN      UINT16                      LineWidth,
 | |
|   IN OUT  UINT16                      *GlyphWidth,
 | |
|   IN OUT  UINTN                       *Index,
 | |
|   OUT     CHAR16                      **OutputString
 | |
|   )
 | |
| {
 | |
|   UINT16          StrOffset;
 | |
|   UINT16          GlyphOffset;
 | |
|   UINT16          OriginalGlyphWidth;
 | |
|   BOOLEAN         ReturnFlag;
 | |
|   UINT16          LastSpaceOffset;
 | |
|   UINT16          LastGlyphWidth;
 | |
| 
 | |
|   if (InputString == NULL || Index == NULL || OutputString == NULL) {
 | |
|     return 0;
 | |
|   }
 | |
| 
 | |
|   if (LineWidth == 0 || *GlyphWidth == 0) {
 | |
|     return 0;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Save original glyph width.
 | |
|   //
 | |
|   OriginalGlyphWidth = *GlyphWidth;
 | |
|   LastGlyphWidth     = OriginalGlyphWidth;
 | |
|   ReturnFlag         = FALSE;
 | |
|   LastSpaceOffset    = 0;
 | |
| 
 | |
|   //
 | |
|   // NARROW_CHAR can not be printed in screen, so if a line only contain  the two CHARs: 'NARROW_CHAR + CHAR_CARRIAGE_RETURN' , it is a empty line  in Screen.
 | |
|   // To avoid displaying this  empty line in screen,  just skip  the two CHARs here.
 | |
|   //
 | |
|   if ((InputString[*Index] == NARROW_CHAR) && (InputString[*Index + 1] == CHAR_CARRIAGE_RETURN)) {
 | |
|     *Index = *Index + 2;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Fast-forward the string and see if there is a carriage-return in the string
 | |
|   //
 | |
|   for (StrOffset = 0, GlyphOffset = 0; GlyphOffset <= LineWidth; StrOffset++) {
 | |
|     switch (InputString[*Index + StrOffset]) {
 | |
|       case NARROW_CHAR:
 | |
|         *GlyphWidth = 1;
 | |
|         break;
 | |
| 
 | |
|       case WIDE_CHAR:
 | |
|         *GlyphWidth = 2;
 | |
|         break;
 | |
| 
 | |
|       case CHAR_CARRIAGE_RETURN:
 | |
|       case CHAR_LINEFEED:
 | |
|       case CHAR_NULL:
 | |
|         ReturnFlag = TRUE;
 | |
|         break;
 | |
| 
 | |
|       default:
 | |
|         GlyphOffset = GlyphOffset + *GlyphWidth;
 | |
| 
 | |
|         //
 | |
|         // Record the last space info in this line. Will be used in rewind.
 | |
|         //
 | |
|         if ((InputString[*Index + StrOffset] == CHAR_SPACE) && (GlyphOffset <= LineWidth)) {
 | |
|           LastSpaceOffset = StrOffset;
 | |
|           LastGlyphWidth  = *GlyphWidth;
 | |
|         }
 | |
|         break;
 | |
|     }
 | |
| 
 | |
|     if (ReturnFlag) {
 | |
|       break;
 | |
|     }
 | |
|   } 
 | |
| 
 | |
|   //
 | |
|   // Rewind the string from the maximum size until we see a space to break the line
 | |
|   //
 | |
|   if (GlyphOffset > LineWidth) {
 | |
|     //
 | |
|     // Rewind the string to last space char in this line.
 | |
|     //
 | |
|     if (LastSpaceOffset != 0) {
 | |
|       StrOffset   = LastSpaceOffset;
 | |
|       *GlyphWidth = LastGlyphWidth;
 | |
|     } else {
 | |
|       //
 | |
|       // Roll back to last char in the line width.
 | |
|       //
 | |
|       StrOffset--;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // The CHAR_NULL has process last time, this time just return 0 to stand for the end.
 | |
|   //
 | |
|   if (StrOffset == 0 && (InputString[*Index + StrOffset] == CHAR_NULL)) {
 | |
|     return 0;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Need extra glyph info and '\0' info, so +2.
 | |
|   //
 | |
|   *OutputString = AllocateZeroPool (((UINTN) (StrOffset + 2) * sizeof(CHAR16)));
 | |
|   if (*OutputString == NULL) {
 | |
|     return 0;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Save the glyph info at the begin of the string, will used by Print function.
 | |
|   //
 | |
|   if (OriginalGlyphWidth == 1) {
 | |
|     *(*OutputString) = NARROW_CHAR;
 | |
|   } else  {
 | |
|     *(*OutputString) = WIDE_CHAR;
 | |
|   }
 | |
| 
 | |
|   CopyMem ((*OutputString) + 1, &InputString[*Index], StrOffset * sizeof(CHAR16));
 | |
| 
 | |
|   if (InputString[*Index + StrOffset] == CHAR_SPACE) {
 | |
|     //
 | |
|     // Skip the space info at the begin of next line.
 | |
|     //  
 | |
|     *Index = (UINT16) (*Index + StrOffset + 1);
 | |
|   } else if ((InputString[*Index + StrOffset] == CHAR_LINEFEED)) {
 | |
|     //
 | |
|     // Skip the /n or /n/r info.
 | |
|     //
 | |
|     if (InputString[*Index + StrOffset + 1] == CHAR_CARRIAGE_RETURN) {
 | |
|       *Index = (UINT16) (*Index + StrOffset + 2);
 | |
|     } else {
 | |
|       *Index = (UINT16) (*Index + StrOffset + 1);
 | |
|     }
 | |
|   } else if ((InputString[*Index + StrOffset] == CHAR_CARRIAGE_RETURN)) {
 | |
|     //
 | |
|     // Skip the /r or /r/n info.
 | |
|     //  
 | |
|     if (InputString[*Index + StrOffset + 1] == CHAR_LINEFEED) {
 | |
|       *Index = (UINT16) (*Index + StrOffset + 2);
 | |
|     } else {
 | |
|       *Index = (UINT16) (*Index + StrOffset + 1);
 | |
|     }
 | |
|   } else {
 | |
|     *Index = (UINT16) (*Index + StrOffset);
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Include extra glyph info and '\0' info, so +2.
 | |
|   //
 | |
|   return StrOffset + 2;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Update display lines for a Menu Option.
 | |
| 
 | |
|   @param  Selection              The user's selection.
 | |
|   @param  MenuOption             The MenuOption to be checked.
 | |
| 
 | |
| **/
 | |
| VOID
 | |
| UpdateOptionSkipLines (
 | |
|   IN UI_MENU_SELECTION            *Selection,
 | |
|   IN UI_MENU_OPTION               *MenuOption
 | |
|   )
 | |
| {
 | |
|   UINTN   Index;
 | |
|   UINT16  Width;
 | |
|   UINTN   Row;
 | |
|   UINTN   OriginalRow;
 | |
|   CHAR16  *OutputString;
 | |
|   CHAR16  *OptionString;
 | |
|   UINT16  GlyphWidth;
 | |
| 
 | |
|   Row           = 0;
 | |
|   OptionString  = NULL;
 | |
|   ProcessOptions (Selection, MenuOption, FALSE, &OptionString);
 | |
| 
 | |
|   if (OptionString != NULL) {
 | |
|     Width               = (UINT16) gOptionBlockWidth;
 | |
| 
 | |
|     OriginalRow         = Row;
 | |
|     GlyphWidth          = 1;
 | |
| 
 | |
|     for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
 | |
|       //
 | |
|       // If there is more string to process print on the next row and increment the Skip value
 | |
|       //
 | |
|       if (StrLen (&OptionString[Index]) != 0) {
 | |
|         Row++;
 | |
|         //
 | |
|         // Since the Number of lines for this menu entry may or may not be reflected accurately
 | |
|         // since the prompt might be 1 lines and option might be many, and vice versa, we need to do
 | |
|         // some testing to ensure we are keeping this in-sync.
 | |
|         //
 | |
|         // If the difference in rows is greater than or equal to the skip value, increase the skip value
 | |
|         //
 | |
|         if ((Row - OriginalRow) >= MenuOption->Skip) {
 | |
|           MenuOption->Skip++;
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       FreePool (OutputString);
 | |
|     }
 | |
| 
 | |
|     Row = OriginalRow;
 | |
|   }
 | |
| 
 | |
|   if (OptionString != NULL) {
 | |
|     FreePool (OptionString);
 | |
|   }
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Check whether this Menu Option could be highlighted.
 | |
| 
 | |
|   This is an internal function.
 | |
| 
 | |
|   @param  MenuOption             The MenuOption to be checked.
 | |
| 
 | |
|   @retval TRUE                   This Menu Option is selectable.
 | |
|   @retval FALSE                  This Menu Option could not be selected.
 | |
| 
 | |
| **/
 | |
| BOOLEAN
 | |
| IsSelectable (
 | |
|   UI_MENU_OPTION   *MenuOption
 | |
|   )
 | |
| {
 | |
|   if ((MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) ||
 | |
|       MenuOption->GrayOut || MenuOption->ReadOnly) {
 | |
|     return FALSE;
 | |
|   } else {
 | |
|     return TRUE;
 | |
|   }
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Determine if the menu is the last menu that can be selected.
 | |
| 
 | |
|   This is an internal function.
 | |
| 
 | |
|   @param  Direction              The scroll direction. False is down. True is up.
 | |
|   @param  CurrentPos             The current focus.
 | |
| 
 | |
|   @return FALSE -- the menu isn't the last menu that can be selected.
 | |
|   @return TRUE  -- the menu is the last menu that can be selected.
 | |
| 
 | |
| **/
 | |
| BOOLEAN
 | |
| ValueIsScroll (
 | |
|   IN  BOOLEAN                     Direction,
 | |
|   IN  LIST_ENTRY                  *CurrentPos
 | |
|   )
 | |
| {
 | |
|   LIST_ENTRY      *Temp;
 | |
| 
 | |
|   Temp = Direction ? CurrentPos->BackLink : CurrentPos->ForwardLink;
 | |
| 
 | |
|   if (Temp == &gMenuOption) {
 | |
|     return TRUE;
 | |
|   }
 | |
| 
 | |
|   return FALSE;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Move to next selectable statement.
 | |
| 
 | |
|   This is an internal function.
 | |
| 
 | |
|   @param  Selection              Menu selection.
 | |
|   @param  GoUp                   The navigation direction. TRUE: up, FALSE: down.
 | |
|   @param  CurrentPosition        Current position.
 | |
|   @param  GapToTop               Gap position to top or bottom.
 | |
| 
 | |
|   @return The row distance from current MenuOption to next selectable MenuOption.
 | |
| 
 | |
| **/
 | |
| INTN
 | |
| MoveToNextStatement (
 | |
|   IN     UI_MENU_SELECTION         *Selection,
 | |
|   IN     BOOLEAN                   GoUp,
 | |
|   IN OUT LIST_ENTRY                **CurrentPosition,
 | |
|   IN     UINTN                     GapToTop
 | |
|   )
 | |
| {
 | |
|   INTN             Distance;
 | |
|   LIST_ENTRY       *Pos;
 | |
|   UI_MENU_OPTION   *NextMenuOption;
 | |
|   UI_MENU_OPTION   *PreMenuOption;
 | |
| 
 | |
|   Distance      = 0;
 | |
|   Pos           = *CurrentPosition;
 | |
|   PreMenuOption = MENU_OPTION_FROM_LINK (Pos);
 | |
| 
 | |
|   while (TRUE) {
 | |
|     NextMenuOption = MENU_OPTION_FROM_LINK (Pos);
 | |
|     if (NextMenuOption->Row == 0) {
 | |
|       UpdateOptionSkipLines (Selection, NextMenuOption);
 | |
|     }
 | |
|     
 | |
|     if (GoUp && (PreMenuOption != NextMenuOption)) {
 | |
|       //
 | |
|       // Current Position doesn't need to be caculated when go up.
 | |
|       // Caculate distanct at first when go up
 | |
|       //
 | |
|       if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) {
 | |
|         NextMenuOption = PreMenuOption;
 | |
|         break;
 | |
|       }
 | |
|       Distance += NextMenuOption->Skip;
 | |
|     }
 | |
|     if (IsSelectable (NextMenuOption)) {
 | |
|       break;
 | |
|     }
 | |
|     if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &gMenuOption) {
 | |
|       //
 | |
|       // Arrive at top.
 | |
|       //
 | |
|       Distance = -1;
 | |
|       break;
 | |
|     }
 | |
|     if (!GoUp) {
 | |
|       //
 | |
|       // Caculate distanct at later when go down
 | |
|       //
 | |
|       if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) {
 | |
|         NextMenuOption = PreMenuOption;
 | |
|         break;
 | |
|       }
 | |
|       Distance += NextMenuOption->Skip;
 | |
|     }
 | |
|     PreMenuOption = NextMenuOption;
 | |
|     Pos = (GoUp ? Pos->BackLink : Pos->ForwardLink);
 | |
|   }
 | |
| 
 | |
|   *CurrentPosition = &NextMenuOption->Link;
 | |
|   return Distance;
 | |
| }
 | |
| 
 | |
| 
 | |
| /**
 | |
|   Adjust Data and Time position accordingly.
 | |
|   Data format :      [01/02/2004]      [11:22:33]
 | |
|   Line number :        0  0    1         0  0  1
 | |
| 
 | |
|   This is an internal function.
 | |
| 
 | |
|   @param  DirectionUp            the up or down direction. False is down. True is
 | |
|                                  up.
 | |
|   @param  CurrentPosition        Current position. On return: Point to the last
 | |
|                                  Option (Year or Second) if up; Point to the first
 | |
|                                  Option (Month or Hour) if down.
 | |
| 
 | |
|   @return Return line number to pad. It is possible that we stand on a zero-advance
 | |
|   @return data or time opcode, so pad one line when we judge if we are going to scroll outside.
 | |
| 
 | |
| **/
 | |
| UINTN
 | |
| AdjustDateAndTimePosition (
 | |
|   IN     BOOLEAN                     DirectionUp,
 | |
|   IN OUT LIST_ENTRY                  **CurrentPosition
 | |
|   )
 | |
| {
 | |
|   UINTN           Count;
 | |
|   LIST_ENTRY      *NewPosition;
 | |
|   UI_MENU_OPTION  *MenuOption;
 | |
|   UINTN           PadLineNumber;
 | |
| 
 | |
|   PadLineNumber = 0;
 | |
|   NewPosition   = *CurrentPosition;
 | |
|   MenuOption    = MENU_OPTION_FROM_LINK (NewPosition);
 | |
| 
 | |
|   if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||
 | |
|       (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {
 | |
|     //
 | |
|     // Calculate the distance from current position to the last Date/Time MenuOption
 | |
|     //
 | |
|     Count = 0;
 | |
|     while (MenuOption->Skip == 0) {
 | |
|       Count++;
 | |
|       NewPosition   = NewPosition->ForwardLink;
 | |
|       MenuOption    = MENU_OPTION_FROM_LINK (NewPosition);
 | |
|       PadLineNumber = 1;
 | |
|     }
 | |
| 
 | |
|     NewPosition = *CurrentPosition;
 | |
|     if (DirectionUp) {
 | |
|       //
 | |
|       // Since the behavior of hitting the up arrow on a Date/Time MenuOption is intended
 | |
|       // to be one that back to the previous set of MenuOptions, we need to advance to the first
 | |
|       // Date/Time MenuOption and leave the remaining logic in CfUiUp intact so the appropriate
 | |
|       // checking can be done.
 | |
|       //
 | |
|       while (Count++ < 2) {
 | |
|         NewPosition = NewPosition->BackLink;
 | |
|       }
 | |
|     } else {
 | |
|       //
 | |
|       // Since the behavior of hitting the down arrow on a Date/Time MenuOption is intended
 | |
|       // to be one that progresses to the next set of MenuOptions, we need to advance to the last
 | |
|       // Date/Time MenuOption and leave the remaining logic in CfUiDown intact so the appropriate
 | |
|       // checking can be done.
 | |
|       //
 | |
|       while (Count-- > 0) {
 | |
|         NewPosition = NewPosition->ForwardLink;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     *CurrentPosition = NewPosition;
 | |
|   }
 | |
| 
 | |
|   return PadLineNumber;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Find HII Handle in the HII database associated with given Device Path.
 | |
| 
 | |
|   If DevicePath is NULL, then ASSERT.
 | |
| 
 | |
|   @param  DevicePath             Device Path associated with the HII package list
 | |
|                                  handle.
 | |
| 
 | |
|   @retval Handle                 HII package list Handle associated with the Device
 | |
|                                         Path.
 | |
|   @retval NULL                   Hii Package list handle is not found.
 | |
| 
 | |
| **/
 | |
| EFI_HII_HANDLE
 | |
| EFIAPI
 | |
| DevicePathToHiiHandle (
 | |
|   IN EFI_DEVICE_PATH_PROTOCOL   *DevicePath
 | |
|   )
 | |
| {
 | |
|   EFI_STATUS                  Status;
 | |
|   EFI_DEVICE_PATH_PROTOCOL    *TmpDevicePath;
 | |
|   UINTN                       BufferSize;
 | |
|   UINTN                       HandleCount;
 | |
|   UINTN                       Index;
 | |
|   EFI_HANDLE                  Handle;
 | |
|   EFI_HANDLE                  DriverHandle;
 | |
|   EFI_HII_HANDLE              *HiiHandles;
 | |
|   EFI_HII_HANDLE              HiiHandle;
 | |
| 
 | |
|   ASSERT (DevicePath != NULL);
 | |
| 
 | |
|   TmpDevicePath = DevicePath;
 | |
|   //
 | |
|   // Locate Device Path Protocol handle buffer
 | |
|   //
 | |
|   Status = gBS->LocateDevicePath (
 | |
|                   &gEfiDevicePathProtocolGuid,
 | |
|                   &TmpDevicePath,
 | |
|                   &DriverHandle
 | |
|                   );
 | |
|   if (EFI_ERROR (Status) || !IsDevicePathEnd (TmpDevicePath)) {
 | |
|     return NULL;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Retrieve all HII Handles from HII database
 | |
|   //
 | |
|   BufferSize = 0x1000;
 | |
|   HiiHandles = AllocatePool (BufferSize);
 | |
|   ASSERT (HiiHandles != NULL);
 | |
|   Status = mHiiDatabase->ListPackageLists (
 | |
|                            mHiiDatabase,
 | |
|                            EFI_HII_PACKAGE_TYPE_ALL,
 | |
|                            NULL,
 | |
|                            &BufferSize,
 | |
|                            HiiHandles
 | |
|                            );
 | |
|   if (Status == EFI_BUFFER_TOO_SMALL) {
 | |
|     FreePool (HiiHandles);
 | |
|     HiiHandles = AllocatePool (BufferSize);
 | |
|     ASSERT (HiiHandles != NULL);
 | |
| 
 | |
|     Status = mHiiDatabase->ListPackageLists (
 | |
|                              mHiiDatabase,
 | |
|                              EFI_HII_PACKAGE_TYPE_ALL,
 | |
|                              NULL,
 | |
|                              &BufferSize,
 | |
|                              HiiHandles
 | |
|                              );
 | |
|   }
 | |
| 
 | |
|   if (EFI_ERROR (Status)) {
 | |
|     FreePool (HiiHandles);
 | |
|     return NULL;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Search Hii Handle by Driver Handle
 | |
|   //
 | |
|   HiiHandle = NULL;
 | |
|   HandleCount = BufferSize / sizeof (EFI_HII_HANDLE);
 | |
|   for (Index = 0; Index < HandleCount; Index++) {
 | |
|     Status = mHiiDatabase->GetPackageListHandle (
 | |
|                              mHiiDatabase,
 | |
|                              HiiHandles[Index],
 | |
|                              &Handle
 | |
|                              );
 | |
|     if (!EFI_ERROR (Status) && (Handle == DriverHandle)) {
 | |
|       HiiHandle = HiiHandles[Index];
 | |
|       break;
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   FreePool (HiiHandles);
 | |
|   return HiiHandle;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Find HII Handle in the HII database associated with given form set guid.
 | |
| 
 | |
|   If FormSetGuid is NULL, then ASSERT.
 | |
| 
 | |
|   @param  ComparingGuid          FormSet Guid associated with the HII package list
 | |
|                                  handle.
 | |
| 
 | |
|   @retval Handle                 HII package list Handle associated with the Device
 | |
|                                         Path.
 | |
|   @retval NULL                   Hii Package list handle is not found.
 | |
| 
 | |
| **/
 | |
| EFI_HII_HANDLE
 | |
| FormSetGuidToHiiHandle (
 | |
|   EFI_GUID     *ComparingGuid
 | |
|   )
 | |
| {
 | |
|   EFI_HII_HANDLE               *HiiHandles;
 | |
|   UINTN                        Index;
 | |
|   EFI_HII_PACKAGE_LIST_HEADER  *HiiPackageList;
 | |
|   UINTN                        BufferSize;
 | |
|   UINT32                       Offset;
 | |
|   UINT32                       Offset2;
 | |
|   UINT32                       PackageListLength;
 | |
|   EFI_HII_PACKAGE_HEADER       PackageHeader;
 | |
|   UINT8                        *Package;
 | |
|   UINT8                        *OpCodeData;
 | |
|   EFI_STATUS                   Status;
 | |
|   EFI_HII_HANDLE               HiiHandle;
 | |
| 
 | |
|   ASSERT (ComparingGuid != NULL);
 | |
| 
 | |
|   HiiHandle  = NULL;
 | |
|   //
 | |
|   // Get all the Hii handles
 | |
|   //
 | |
|   HiiHandles = HiiGetHiiHandles (NULL);
 | |
|   ASSERT (HiiHandles != NULL);
 | |
| 
 | |
|   //
 | |
|   // Search for formset of each class type
 | |
|   //
 | |
|   for (Index = 0; HiiHandles[Index] != NULL; Index++) {
 | |
|     BufferSize = 0;
 | |
|     HiiPackageList = NULL;
 | |
|     Status = mHiiDatabase->ExportPackageLists (mHiiDatabase, HiiHandles[Index], &BufferSize, HiiPackageList);
 | |
|     if (Status == EFI_BUFFER_TOO_SMALL) {
 | |
|       HiiPackageList = AllocatePool (BufferSize);
 | |
|       ASSERT (HiiPackageList != NULL);
 | |
| 
 | |
|       Status = mHiiDatabase->ExportPackageLists (mHiiDatabase, HiiHandles[Index], &BufferSize, HiiPackageList);
 | |
|     }
 | |
|     if (EFI_ERROR (Status) || HiiPackageList == NULL) {
 | |
|       return NULL;
 | |
|     }
 | |
| 
 | |
|     //
 | |
|     // Get Form package from this HII package List
 | |
|     //
 | |
|     Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
 | |
|     Offset2 = 0;
 | |
|     CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32)); 
 | |
| 
 | |
|     while (Offset < PackageListLength) {
 | |
|       Package = ((UINT8 *) HiiPackageList) + Offset;
 | |
|       CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));
 | |
| 
 | |
|       if (PackageHeader.Type == EFI_HII_PACKAGE_FORMS) {
 | |
|         //
 | |
|         // Search FormSet in this Form Package
 | |
|         //
 | |
|         Offset2 = sizeof (EFI_HII_PACKAGE_HEADER);
 | |
|         while (Offset2 < PackageHeader.Length) {
 | |
|           OpCodeData = Package + Offset2;
 | |
| 
 | |
|           if (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_FORM_SET_OP) {
 | |
|             //
 | |
|             // Try to compare against formset GUID
 | |
|             //
 | |
|             if (CompareGuid (ComparingGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {
 | |
|               HiiHandle = HiiHandles[Index];
 | |
|               break;
 | |
|             }
 | |
|           }
 | |
| 
 | |
|           Offset2 += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
 | |
|         }
 | |
|       }
 | |
|       if (HiiHandle != NULL) {
 | |
|         break;
 | |
|       }
 | |
|       Offset += PackageHeader.Length;
 | |
|     }
 | |
|     
 | |
|     FreePool (HiiPackageList);
 | |
|   	if (HiiHandle != NULL) {
 | |
|   		break;
 | |
|   	}
 | |
|   }
 | |
| 
 | |
|   FreePool (HiiHandles);
 | |
| 
 | |
|   return HiiHandle;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Process the goto op code, update the info in the selection structure.
 | |
| 
 | |
|   @param Statement    The statement belong to goto op code.
 | |
|   @param Selection    The selection info.
 | |
|   @param Repaint      Whether need to repaint the menu.
 | |
|   @param NewLine      Whether need to create new line.
 | |
| 
 | |
|   @retval EFI_SUCCESS    The menu process successfully.
 | |
|   @return Other value if the process failed.
 | |
| **/
 | |
| EFI_STATUS
 | |
| ProcessGotoOpCode (
 | |
|   IN OUT   FORM_BROWSER_STATEMENT      *Statement,
 | |
|   IN OUT   UI_MENU_SELECTION           *Selection,
 | |
|   OUT      BOOLEAN                     *Repaint,
 | |
|   OUT      BOOLEAN                     *NewLine
 | |
|   )
 | |
| {
 | |
|   CHAR16                          *StringPtr;
 | |
|   UINTN                           StringLen;
 | |
|   UINTN                           BufferSize;
 | |
|   EFI_DEVICE_PATH_PROTOCOL        *DevicePath;
 | |
|   CHAR16                          TemStr[2];
 | |
|   UINT8                           *DevicePathBuffer;
 | |
|   UINTN                           Index;
 | |
|   UINT8                           DigitUint8;
 | |
|   FORM_BROWSER_FORM               *RefForm;
 | |
|   EFI_INPUT_KEY                   Key;
 | |
|   EFI_STATUS                      Status;
 | |
|   UI_MENU_LIST                    *MenuList;
 | |
|   BOOLEAN                         UpdateFormInfo;
 | |
|   
 | |
|   Status = EFI_SUCCESS;
 | |
|   UpdateFormInfo = TRUE;
 | |
|   StringPtr = NULL;
 | |
|   StringLen = 0;
 | |
| 
 | |
|   //
 | |
|   // Prepare the device path check, get the device path info first.
 | |
|   //
 | |
|   if (Statement->HiiValue.Value.ref.DevicePath != 0) {
 | |
|     StringPtr = GetToken (Statement->HiiValue.Value.ref.DevicePath, Selection->FormSet->HiiHandle);
 | |
|     if (StringPtr != NULL) {
 | |
|       StringLen = StrLen (StringPtr);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Check whether the device path string is a valid string.
 | |
|   //
 | |
|   if (Statement->HiiValue.Value.ref.DevicePath != 0 && StringPtr != NULL && StringLen != 0) {
 | |
|     if (Selection->Form->ModalForm) {
 | |
|       return Status;
 | |
|     }
 | |
|     //
 | |
|     // Goto another Hii Package list
 | |
|     //
 | |
|     Selection->Action = UI_ACTION_REFRESH_FORMSET;
 | |
|     BufferSize = StrLen (StringPtr) / 2;
 | |
|     DevicePath = AllocatePool (BufferSize);
 | |
|     ASSERT (DevicePath != NULL);
 | |
| 
 | |
|     //
 | |
|     // Convert from Device Path String to DevicePath Buffer in the reverse order.
 | |
|     //
 | |
|     DevicePathBuffer = (UINT8 *) DevicePath;
 | |
|     for (Index = 0; StringPtr[Index] != L'\0'; Index ++) {
 | |
|       TemStr[0] = StringPtr[Index];
 | |
|       DigitUint8 = (UINT8) StrHexToUint64 (TemStr);
 | |
|       if (DigitUint8 == 0 && TemStr[0] != L'0') {
 | |
|         //
 | |
|         // Invalid Hex Char as the tail.
 | |
|         //
 | |
|         break;
 | |
|       }
 | |
|       if ((Index & 1) == 0) {
 | |
|         DevicePathBuffer [Index/2] = DigitUint8;
 | |
|       } else {
 | |
|         DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8);
 | |
|       }
 | |
|     }
 | |
|     FreePool (StringPtr);
 | |
| 
 | |
|     Selection->Handle = DevicePathToHiiHandle (DevicePath);
 | |
|     FreePool (DevicePath);
 | |
| 
 | |
|     if (Selection->Handle == NULL) {
 | |
|       //
 | |
|       // If target Hii Handle not found, exit
 | |
|       //
 | |
|       Selection->Action = UI_ACTION_EXIT;
 | |
|       Selection->Statement = NULL;
 | |
|       return Status;
 | |
|     }
 | |
| 
 | |
|     CopyMem (&Selection->FormSetGuid,&Statement->HiiValue.Value.ref.FormSetGuid, sizeof (EFI_GUID));
 | |
|     Selection->FormId = Statement->HiiValue.Value.ref.FormId;
 | |
|     Selection->QuestionId = Statement->HiiValue.Value.ref.QuestionId;
 | |
|   } else if (!CompareGuid (&Statement->HiiValue.Value.ref.FormSetGuid, &gZeroGuid)) {
 | |
|     if (Selection->Form->ModalForm) {
 | |
|       return Status;
 | |
|     }  
 | |
|     //
 | |
|     // Goto another Formset, check for uncommitted data
 | |
|     //
 | |
|     Selection->Action = UI_ACTION_REFRESH_FORMSET;
 | |
|     
 | |
|     Selection->Handle = FormSetGuidToHiiHandle(&Statement->HiiValue.Value.ref.FormSetGuid);
 | |
|     if (Selection->Handle == NULL) {
 | |
|       //
 | |
|       // If target Hii Handle not found, exit
 | |
|       //
 | |
|       Selection->Action = UI_ACTION_EXIT;
 | |
|       Selection->Statement = NULL;
 | |
|       return Status;
 | |
|     } 
 | |
| 
 | |
|     CopyMem (&Selection->FormSetGuid, &Statement->HiiValue.Value.ref.FormSetGuid, sizeof (EFI_GUID));
 | |
|     Selection->FormId = Statement->HiiValue.Value.ref.FormId;
 | |
|     Selection->QuestionId = Statement->HiiValue.Value.ref.QuestionId;
 | |
|   } else if (Statement->HiiValue.Value.ref.FormId != 0) {
 | |
|     //
 | |
|     // Check whether target From is suppressed.
 | |
|     //
 | |
|     RefForm = IdToForm (Selection->FormSet, Statement->HiiValue.Value.ref.FormId);
 | |
| 
 | |
|     if ((RefForm != NULL) && (RefForm->SuppressExpression != NULL)) {
 | |
|       if (EvaluateExpressionList(RefForm->SuppressExpression, TRUE, Selection->FormSet, RefForm) != ExpressFalse) {
 | |
|         //
 | |
|         // Form is suppressed. 
 | |
|         //
 | |
|         do {
 | |
|           CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gFormSuppress, gPressEnter, gEmptyString);
 | |
|         } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
 | |
|         if (Repaint != NULL) {
 | |
|           *Repaint = TRUE;
 | |
|         }
 | |
|         return Status;
 | |
|       }
 | |
|     }
 | |
| 
 | |
|     //
 | |
|     // Goto another form inside this formset,
 | |
|     //
 | |
|     Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
| 
 | |
|     Selection->FormId = Statement->HiiValue.Value.ref.FormId;
 | |
|     Selection->QuestionId = Statement->HiiValue.Value.ref.QuestionId;
 | |
|   } else if (Statement->HiiValue.Value.ref.QuestionId != 0) {
 | |
|     //
 | |
|     // Goto another Question
 | |
|     //
 | |
|     Selection->QuestionId = Statement->HiiValue.Value.ref.QuestionId;
 | |
| 
 | |
|     if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {
 | |
|       Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
|     } else {
 | |
|       if (Repaint != NULL) {
 | |
|         *Repaint = TRUE;
 | |
|       }
 | |
|       if (NewLine != NULL) {
 | |
|         *NewLine = TRUE;
 | |
|       }
 | |
|     }
 | |
|     UpdateFormInfo = FALSE;
 | |
|   } else {
 | |
|     if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != 0) {
 | |
|       Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
|     }
 | |
|     UpdateFormInfo = FALSE;
 | |
|   }
 | |
| 
 | |
|   if (UpdateFormInfo) {
 | |
|     //
 | |
|     // Link current form so that we can always go back when someone hits the ESC
 | |
|     //
 | |
|     MenuList = UiFindMenuList (&Selection->FormSetGuid, Selection->FormId);
 | |
|     if (MenuList == NULL && Selection->CurrentMenu != NULL) {
 | |
|       MenuList = UiAddMenuList (Selection->CurrentMenu, Selection->Handle, &Selection->FormSetGuid, Selection->FormId);
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return Status;
 | |
| }
 | |
| 
 | |
| /**
 | |
|   Display menu and wait for user to select one menu option, then return it.
 | |
|   If AutoBoot is enabled, then if user doesn't select any option,
 | |
|   after period of time, it will automatically return the first menu option.
 | |
| 
 | |
|   @param  Selection              Menu selection.
 | |
| 
 | |
|   @retval EFI_SUCESSS            This function always return successfully for now.
 | |
| 
 | |
| **/
 | |
| EFI_STATUS
 | |
| UiDisplayMenu (
 | |
|   IN OUT UI_MENU_SELECTION           *Selection
 | |
|   )
 | |
| {
 | |
|   INTN                            SkipValue;
 | |
|   INTN                            Difference;
 | |
|   INTN                            OldSkipValue;
 | |
|   UINTN                           DistanceValue;
 | |
|   UINTN                           Row;
 | |
|   UINTN                           Col;
 | |
|   UINTN                           Temp;
 | |
|   UINTN                           Temp2;
 | |
|   UINTN                           TopRow;
 | |
|   UINTN                           BottomRow;
 | |
|   UINTN                           OriginalRow;
 | |
|   UINTN                           Index;
 | |
|   UINT16                          Width;
 | |
|   CHAR16                          *StringPtr;
 | |
|   CHAR16                          *OptionString;
 | |
|   CHAR16                          *OutputString;
 | |
|   CHAR16                          *HelpString;
 | |
|   CHAR16                          *HelpHeaderString;
 | |
|   CHAR16                          *HelpBottomString;
 | |
|   BOOLEAN                         NewLine;
 | |
|   BOOLEAN                         Repaint;
 | |
|   BOOLEAN                         SavedValue;
 | |
|   BOOLEAN                         UpArrow;
 | |
|   BOOLEAN                         DownArrow;
 | |
|   BOOLEAN                         InitializedFlag;
 | |
|   EFI_STATUS                      Status;
 | |
|   EFI_INPUT_KEY                   Key;
 | |
|   LIST_ENTRY                      *Link;
 | |
|   LIST_ENTRY                      *NewPos;
 | |
|   LIST_ENTRY                      *TopOfScreen;
 | |
|   LIST_ENTRY                      *SavedListEntry;
 | |
|   UI_MENU_OPTION                  *MenuOption;
 | |
|   UI_MENU_OPTION                  *NextMenuOption;
 | |
|   UI_MENU_OPTION                  *SavedMenuOption;
 | |
|   UI_MENU_OPTION                  *PreviousMenuOption;
 | |
|   UI_CONTROL_FLAG                 ControlFlag;
 | |
|   EFI_SCREEN_DESCRIPTOR           LocalScreen;
 | |
|   MENU_REFRESH_ENTRY              *MenuRefreshEntry;
 | |
|   MENU_REFRESH_ENTRY              *MenuUpdateEntry;  
 | |
|   UI_SCREEN_OPERATION             ScreenOperation;
 | |
|   UINT8                           MinRefreshInterval;
 | |
|   UINT16                          DefaultId;
 | |
|   FORM_BROWSER_STATEMENT          *Statement;
 | |
|   UI_MENU_LIST                    *CurrentMenu;
 | |
|   UINTN                           ModalSkipColumn;
 | |
|   BROWSER_HOT_KEY                 *HotKey;
 | |
|   UINTN                           HelpPageIndex;
 | |
|   UINTN                           HelpPageCount;
 | |
|   UINTN                           RowCount;
 | |
|   UINTN                           HelpLine;
 | |
|   UINTN                           HelpHeaderLine;
 | |
|   UINTN                           HelpBottomLine;
 | |
|   BOOLEAN                         MultiHelpPage;
 | |
|   UINT16                          GlyphWidth;
 | |
|   UINT16                          EachLineWidth;
 | |
|   UINT16                          HeaderLineWidth;
 | |
|   UINT16                          BottomLineWidth;
 | |
| 
 | |
|   CopyMem (&LocalScreen, &gScreenDimensions, sizeof (EFI_SCREEN_DESCRIPTOR));
 | |
| 
 | |
|   Status              = EFI_SUCCESS;
 | |
|   HelpString          = NULL;
 | |
|   HelpHeaderString    = NULL;
 | |
|   HelpBottomString    = NULL;
 | |
|   OptionString        = NULL;
 | |
|   ScreenOperation     = UiNoOperation;
 | |
|   NewLine             = TRUE;
 | |
|   MinRefreshInterval  = 0;
 | |
|   DefaultId           = 0;
 | |
|   HelpPageCount       = 0;
 | |
|   HelpLine            = 0;
 | |
|   RowCount            = 0;
 | |
|   HelpBottomLine      = 0;
 | |
|   HelpHeaderLine      = 0;
 | |
|   HelpPageIndex       = 0;
 | |
|   MultiHelpPage       = FALSE;
 | |
|   EachLineWidth       = 0;
 | |
|   HeaderLineWidth     = 0;
 | |
|   BottomLineWidth     = 0;
 | |
|   OutputString        = NULL;
 | |
|   UpArrow             = FALSE;
 | |
|   DownArrow           = FALSE;
 | |
|   SkipValue           = 0;
 | |
|   OldSkipValue        = 0;
 | |
|   MenuRefreshEntry    = gMenuRefreshHead;
 | |
| 
 | |
|   NextMenuOption      = NULL;
 | |
|   PreviousMenuOption  = NULL;
 | |
|   SavedMenuOption     = NULL;
 | |
|   HotKey              = NULL;
 | |
|   ModalSkipColumn     = (LocalScreen.RightColumn - LocalScreen.LeftColumn) / 6;
 | |
| 
 | |
|   ZeroMem (&Key, sizeof (EFI_INPUT_KEY));
 | |
| 
 | |
|   if ((gClassOfVfr & FORMSET_CLASS_FRONT_PAGE) == FORMSET_CLASS_FRONT_PAGE){
 | |
|     TopRow  = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;
 | |
|     Row     = LocalScreen.TopRow + FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;
 | |
|   } else {
 | |
|     TopRow  = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;
 | |
|     Row     = LocalScreen.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT + SCROLL_ARROW_HEIGHT;
 | |
|   }
 | |
| 
 | |
|   if (Selection->Form->ModalForm) {
 | |
|     Col = LocalScreen.LeftColumn + LEFT_SKIPPED_COLUMNS + ModalSkipColumn;
 | |
|   } else {
 | |
|     Col = LocalScreen.LeftColumn + LEFT_SKIPPED_COLUMNS;
 | |
|   }
 | |
| 
 | |
|   BottomRow = LocalScreen.BottomRow - STATUS_BAR_HEIGHT - gFooterHeight - SCROLL_ARROW_HEIGHT - 1;
 | |
| 
 | |
|   Selection->TopRow = TopRow;
 | |
|   Selection->BottomRow = BottomRow;
 | |
|   Selection->PromptCol = Col;
 | |
|   Selection->OptionCol = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;
 | |
|   Selection->Statement = NULL;
 | |
| 
 | |
|   TopOfScreen = gMenuOption.ForwardLink;
 | |
|   Repaint     = TRUE;
 | |
|   MenuOption  = NULL;
 | |
| 
 | |
|   //
 | |
|   // Find current Menu
 | |
|   //
 | |
|   CurrentMenu = UiFindMenuList (&Selection->FormSetGuid, Selection->FormId);
 | |
|   if (CurrentMenu == NULL) {
 | |
|     //
 | |
|     // Current menu not found, add it to the menu tree
 | |
|     //
 | |
|     CurrentMenu = UiAddMenuList (NULL, Selection->Handle, &Selection->FormSetGuid, Selection->FormId);
 | |
|   }
 | |
|   ASSERT (CurrentMenu != NULL);
 | |
|   Selection->CurrentMenu = CurrentMenu;
 | |
| 
 | |
|   if (Selection->QuestionId == 0) {
 | |
|     //
 | |
|     // Highlight not specified, fetch it from cached menu
 | |
|     //
 | |
|     Selection->QuestionId = CurrentMenu->QuestionId;
 | |
|     Selection->Sequence   = CurrentMenu->Sequence;
 | |
|   }
 | |
| 
 | |
|   //
 | |
|   // Init option as the current user's selection
 | |
|   //
 | |
|   InitializedFlag = TRUE;
 | |
|   NewPos = gMenuOption.ForwardLink;
 | |
| 
 | |
|   gST->ConOut->EnableCursor (gST->ConOut, FALSE);
 | |
|   UpdateStatusBar (Selection, REFRESH_STATUS_BAR, (UINT8) 0, TRUE);
 | |
| 
 | |
|   ControlFlag = CfInitialization;
 | |
|   Selection->Action = UI_ACTION_NONE;
 | |
|   while (TRUE) {
 | |
|     switch (ControlFlag) {
 | |
|     case CfInitialization:
 | |
|       if (IsListEmpty (&gMenuOption)) {
 | |
|         ControlFlag = CfReadKey;
 | |
|       } else {
 | |
|         ControlFlag = CfCheckSelection;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfCheckSelection:
 | |
|       if (Selection->Action != UI_ACTION_NONE) {
 | |
|         ControlFlag = CfExit;
 | |
|       } else {
 | |
|         ControlFlag = CfRepaint;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfRepaint:
 | |
|       ControlFlag = CfRefreshHighLight;
 | |
| 
 | |
|       if (Repaint) {
 | |
|         //
 | |
|         // Display menu
 | |
|         //
 | |
|         DownArrow       = FALSE;
 | |
|         UpArrow         = FALSE;
 | |
|         Row             = TopRow;
 | |
| 
 | |
|         Temp            = (UINTN) SkipValue;
 | |
|         Temp2           = (UINTN) SkipValue;
 | |
| 
 | |
|         if (Selection->Form->ModalForm) {
 | |
|           ClearLines (
 | |
|             LocalScreen.LeftColumn + ModalSkipColumn,
 | |
|             LocalScreen.LeftColumn + ModalSkipColumn + gPromptBlockWidth + gOptionBlockWidth,
 | |
|             TopRow - SCROLL_ARROW_HEIGHT,
 | |
|             BottomRow + SCROLL_ARROW_HEIGHT,
 | |
|             PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND
 | |
|             );   
 | |
|         } else {
 | |
|           ClearLines (
 | |
|             LocalScreen.LeftColumn,
 | |
|             LocalScreen.RightColumn,
 | |
|             TopRow - SCROLL_ARROW_HEIGHT,
 | |
|             BottomRow + SCROLL_ARROW_HEIGHT,
 | |
|             PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND
 | |
|             );
 | |
|         }
 | |
|         UiFreeRefreshList ();
 | |
|         MinRefreshInterval = 0;
 | |
| 
 | |
|         for (Link = TopOfScreen; Link != &gMenuOption; Link = Link->ForwardLink) {
 | |
|           MenuOption          = MENU_OPTION_FROM_LINK (Link);
 | |
|           MenuOption->Row     = Row;
 | |
|           MenuOption->Col     = Col;
 | |
|           if (Selection->Form->ModalForm) {
 | |
|             MenuOption->OptCol  = gPromptBlockWidth + 1 + LocalScreen.LeftColumn + ModalSkipColumn;
 | |
|           } else {
 | |
|             MenuOption->OptCol  = gPromptBlockWidth + 1 + LocalScreen.LeftColumn;
 | |
|           }
 | |
| 
 | |
|           Statement = MenuOption->ThisTag;
 | |
|           if (Statement->InSubtitle) {
 | |
|             MenuOption->Col += SUBTITLE_INDENT;
 | |
|           }
 | |
| 
 | |
|           if (MenuOption->GrayOut) {
 | |
|             gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);
 | |
|           } else {
 | |
|             if (Statement->Operand == EFI_IFR_SUBTITLE_OP) {
 | |
|               gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserSubtitleTextColor) | FIELD_BACKGROUND);
 | |
|             }
 | |
|           }
 | |
| 
 | |
|           Width       = GetWidth (Statement, MenuOption->Handle);
 | |
|           OriginalRow = Row;
 | |
|           GlyphWidth  = 1;
 | |
| 
 | |
|           if (Statement->Operand == EFI_IFR_REF_OP && MenuOption->Col >= 2) {
 | |
|             //
 | |
|             // Print Arrow for Goto button.
 | |
|             //
 | |
|             PrintAt (
 | |
|               MenuOption->Col - 2,
 | |
|               Row,
 | |
|               L"%c",
 | |
|               GEOMETRICSHAPE_RIGHT_TRIANGLE
 | |
|               );
 | |
|           }
 | |
| 
 | |
|           for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
 | |
|             if ((Temp == 0) && (Row <= BottomRow)) {
 | |
|               PrintStringAt (MenuOption->Col, Row, OutputString);
 | |
|             }
 | |
|             //
 | |
|             // If there is more string to process print on the next row and increment the Skip value
 | |
|             //
 | |
|             if (StrLen (&MenuOption->Description[Index]) != 0) {
 | |
|               if (Temp == 0) {
 | |
|                 Row++;
 | |
|               }
 | |
|             }
 | |
| 
 | |
|             FreePool (OutputString);
 | |
|             if (Temp != 0) {
 | |
|               Temp--;
 | |
|             }
 | |
|           }
 | |
| 
 | |
|           Temp  = 0;
 | |
|           Row   = OriginalRow;
 | |
| 
 | |
|           Status = ProcessOptions (Selection, MenuOption, FALSE, &OptionString);
 | |
|           if (EFI_ERROR (Status)) {
 | |
|             //
 | |
|             // Repaint to clear possible error prompt pop-up
 | |
|             //
 | |
|             Repaint = TRUE;
 | |
|             NewLine = TRUE;
 | |
|             ControlFlag = CfRepaint;
 | |
|             break;
 | |
|           }
 | |
| 
 | |
|           if (OptionString != NULL) {
 | |
|             if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {
 | |
|               ProcessStringForDateTime(MenuOption, OptionString, TRUE);
 | |
|             }
 | |
| 
 | |
|             Width       = (UINT16) gOptionBlockWidth;
 | |
|             OriginalRow = Row;
 | |
|             GlyphWidth  = 1;
 | |
| 
 | |
|             for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
 | |
|               if ((Temp2 == 0) && (Row <= BottomRow)) {
 | |
|                 PrintStringAt (MenuOption->OptCol, Row, OutputString);
 | |
|               }
 | |
|               //
 | |
|               // If there is more string to process print on the next row and increment the Skip value
 | |
|               //
 | |
|               if (StrLen (&OptionString[Index]) != 0) {
 | |
|                 if (Temp2 == 0) {
 | |
|                   Row++;
 | |
|                   //
 | |
|                   // Since the Number of lines for this menu entry may or may not be reflected accurately
 | |
|                   // since the prompt might be 1 lines and option might be many, and vice versa, we need to do
 | |
|                   // some testing to ensure we are keeping this in-sync.
 | |
|                   //
 | |
|                   // If the difference in rows is greater than or equal to the skip value, increase the skip value
 | |
|                   //
 | |
|                   if ((Row - OriginalRow) >= MenuOption->Skip) {
 | |
|                     MenuOption->Skip++;
 | |
|                   }
 | |
|                 }
 | |
|               }
 | |
| 
 | |
|               FreePool (OutputString);
 | |
|               if (Temp2 != 0) {
 | |
|                 Temp2--;
 | |
|               }
 | |
|             }
 | |
| 
 | |
|             Temp2 = 0;
 | |
|             Row   = OriginalRow;
 | |
| 
 | |
|             FreePool (OptionString);
 | |
|           }
 | |
| 
 | |
|           //
 | |
|           // If Question has refresh guid, register the op-code.
 | |
|           //
 | |
|           if (!CompareGuid (&Statement->RefreshGuid, &gZeroGuid)) {
 | |
|             if (gMenuEventGuidRefreshHead == NULL) {
 | |
|               MenuUpdateEntry = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));
 | |
|               gMenuEventGuidRefreshHead = MenuUpdateEntry;
 | |
|             } else {
 | |
|               MenuUpdateEntry = gMenuEventGuidRefreshHead;
 | |
|               while (MenuUpdateEntry->Next != NULL) {
 | |
|                 MenuUpdateEntry = MenuUpdateEntry->Next; 
 | |
|               }
 | |
|               MenuUpdateEntry->Next = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));
 | |
|               MenuUpdateEntry = MenuUpdateEntry->Next; 
 | |
|             }
 | |
|             ASSERT (MenuUpdateEntry != NULL);
 | |
|             Status = gBS->CreateEventEx (EVT_NOTIFY_SIGNAL, TPL_NOTIFY, RefreshQuestionNotify, MenuUpdateEntry, &Statement->RefreshGuid, &MenuUpdateEntry->Event);
 | |
|             ASSERT (!EFI_ERROR (Status));
 | |
|             MenuUpdateEntry->MenuOption        = MenuOption;
 | |
|             MenuUpdateEntry->Selection         = Selection;
 | |
|             MenuUpdateEntry->CurrentColumn     = MenuOption->OptCol;
 | |
|             MenuUpdateEntry->CurrentRow        = MenuOption->Row;
 | |
|             if (MenuOption->GrayOut) {
 | |
|               MenuUpdateEntry->CurrentAttribute = FIELD_TEXT_GRAYED | FIELD_BACKGROUND;
 | |
|             } else {
 | |
|               MenuUpdateEntry->CurrentAttribute = PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND;
 | |
|             }
 | |
|           }
 | |
|           
 | |
|           //
 | |
|           // If Question request refresh, register the op-code
 | |
|           //
 | |
|           if (Statement->RefreshInterval != 0) {
 | |
|             //
 | |
|             // Menu will be refreshed at minimal interval of all Questions
 | |
|             // which have refresh request
 | |
|             //
 | |
|             if (MinRefreshInterval == 0 || Statement->RefreshInterval < MinRefreshInterval) {
 | |
|               MinRefreshInterval = Statement->RefreshInterval;
 | |
|             }
 | |
|             
 | |
|             if (gMenuRefreshHead == NULL) {
 | |
|               MenuRefreshEntry = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));
 | |
|               gMenuRefreshHead = MenuRefreshEntry;
 | |
|             } else {
 | |
|               MenuRefreshEntry = gMenuRefreshHead;
 | |
|               while (MenuRefreshEntry->Next != NULL) {
 | |
|                 MenuRefreshEntry = MenuRefreshEntry->Next; 
 | |
|               }
 | |
|               MenuRefreshEntry->Next = AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY));
 | |
|               MenuRefreshEntry = MenuRefreshEntry->Next;
 | |
|             }
 | |
|             ASSERT (MenuRefreshEntry != NULL);            
 | |
|             MenuRefreshEntry->MenuOption        = MenuOption;
 | |
|             MenuRefreshEntry->Selection         = Selection;
 | |
|             MenuRefreshEntry->CurrentColumn     = MenuOption->OptCol;
 | |
|             MenuRefreshEntry->CurrentRow        = MenuOption->Row;
 | |
|             if (MenuOption->GrayOut) {
 | |
|               MenuRefreshEntry->CurrentAttribute = FIELD_TEXT_GRAYED | FIELD_BACKGROUND;
 | |
|             } else {               
 | |
|               MenuRefreshEntry->CurrentAttribute = PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND;
 | |
|             }
 | |
|           }
 | |
|           
 | |
|           //
 | |
|           // If this is a text op with secondary text information
 | |
|           //
 | |
|           if ((Statement->Operand == EFI_IFR_TEXT_OP) && (Statement->TextTwo != 0)) {
 | |
|             StringPtr   = GetToken (Statement->TextTwo, MenuOption->Handle);
 | |
| 
 | |
|             Width       = (UINT16) gOptionBlockWidth;
 | |
|             OriginalRow = Row;
 | |
|             GlyphWidth = 1;
 | |
| 
 | |
|             for (Index = 0; GetLineByWidth (StringPtr, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
 | |
|               if ((Temp == 0) && (Row <= BottomRow)) {
 | |
|                 PrintStringAt (MenuOption->OptCol, Row, OutputString);
 | |
|               }
 | |
|               //
 | |
|               // If there is more string to process print on the next row and increment the Skip value
 | |
|               //
 | |
|               if (StrLen (&StringPtr[Index]) != 0) {
 | |
|                 if (Temp2 == 0) {
 | |
|                   Row++;
 | |
|                   //
 | |
|                   // Since the Number of lines for this menu entry may or may not be reflected accurately
 | |
|                   // since the prompt might be 1 lines and option might be many, and vice versa, we need to do
 | |
|                   // some testing to ensure we are keeping this in-sync.
 | |
|                   //
 | |
|                   // If the difference in rows is greater than or equal to the skip value, increase the skip value
 | |
|                   //
 | |
|                   if ((Row - OriginalRow) >= MenuOption->Skip) {
 | |
|                     MenuOption->Skip++;
 | |
|                   }
 | |
|                 }
 | |
|               }
 | |
| 
 | |
|               FreePool (OutputString);
 | |
|               if (Temp2 != 0) {
 | |
|                 Temp2--;
 | |
|               }
 | |
|             }
 | |
| 
 | |
|             Row = OriginalRow;
 | |
|             FreePool (StringPtr);
 | |
|           }
 | |
|           gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND);
 | |
| 
 | |
|           //
 | |
|           // Need to handle the bottom of the display
 | |
|           //
 | |
|           if (MenuOption->Skip > 1) {
 | |
|             Row += MenuOption->Skip - SkipValue;
 | |
|             SkipValue = 0;
 | |
|           } else {
 | |
|             Row += MenuOption->Skip;
 | |
|           }
 | |
| 
 | |
|           if (Row > BottomRow) {
 | |
|             if (!ValueIsScroll (FALSE, Link)) {
 | |
|               DownArrow = TRUE;
 | |
|             }
 | |
| 
 | |
|             Row = BottomRow + 1;
 | |
|             break;
 | |
|           }
 | |
|         }
 | |
| 
 | |
|         if (!ValueIsScroll (TRUE, TopOfScreen)) {
 | |
|           UpArrow = TRUE;
 | |
|         }
 | |
| 
 | |
|         if (UpArrow) {
 | |
|           gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);
 | |
|           PrintAt (
 | |
|             LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,
 | |
|             TopRow - SCROLL_ARROW_HEIGHT,
 | |
|             L"%c",
 | |
|             ARROW_UP
 | |
|             );
 | |
|           gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND);
 | |
|         }
 | |
| 
 | |
|         if (DownArrow) {
 | |
|           gST->ConOut->SetAttribute (gST->ConOut, ARROW_TEXT | ARROW_BACKGROUND);
 | |
|           PrintAt (
 | |
|             LocalScreen.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,
 | |
|             BottomRow + SCROLL_ARROW_HEIGHT,
 | |
|             L"%c",
 | |
|             ARROW_DOWN
 | |
|             );
 | |
|           gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND);
 | |
|         }
 | |
| 
 | |
|         MenuOption = NULL;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfRefreshHighLight:
 | |
|       //
 | |
|       // MenuOption: Last menu option that need to remove hilight
 | |
|       //             MenuOption is set to NULL in Repaint
 | |
|       // NewPos:     Current menu option that need to hilight
 | |
|       //
 | |
|       ControlFlag = CfUpdateHelpString;
 | |
|       if (InitializedFlag) {
 | |
|         InitializedFlag = FALSE;
 | |
|         MoveToNextStatement (Selection, FALSE, &NewPos, BottomRow - TopRow);
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // Repaint flag is normally reset when finish processing CfUpdateHelpString. Temporarily
 | |
|       // reset Repaint flag because we may break halfway and skip CfUpdateHelpString processing.
 | |
|       //
 | |
|       SavedValue  = Repaint;
 | |
|       Repaint     = FALSE;
 | |
| 
 | |
|       if (Selection->QuestionId != 0) {
 | |
|         NewPos = gMenuOption.ForwardLink;
 | |
|         SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);
 | |
| 
 | |
|         while ((SavedMenuOption->ThisTag->QuestionId != Selection->QuestionId ||
 | |
|                 SavedMenuOption->Sequence != Selection->Sequence) &&
 | |
|                 NewPos->ForwardLink != &gMenuOption) {
 | |
|           NewPos     = NewPos->ForwardLink;
 | |
|           SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);
 | |
|         }
 | |
|         if (SavedMenuOption->ThisTag->QuestionId == Selection->QuestionId) {
 | |
|           //
 | |
|           // Target Question found, find its MenuOption
 | |
|           //
 | |
|           Link = TopOfScreen;
 | |
| 
 | |
|           for (Index = TopRow; Index <= BottomRow && Link != NewPos;) {
 | |
|             SavedMenuOption = MENU_OPTION_FROM_LINK (Link);
 | |
|             Index += SavedMenuOption->Skip;
 | |
|             if (Link == TopOfScreen) {
 | |
|               Index -= OldSkipValue;
 | |
|             }
 | |
|             Link = Link->ForwardLink;
 | |
|           }
 | |
|           if (NewPos == Link) {
 | |
|             SavedMenuOption = MENU_OPTION_FROM_LINK (Link);
 | |
|           }
 | |
| 
 | |
|           //
 | |
|           // Not find the selected menu in current show page.
 | |
|           // Have two case to enter this if:
 | |
|           // 1. Not find the menu at current page.
 | |
|           // 2. Find the menu in current page, but the menu shows at the bottom and not all info shows.
 | |
|           //    For case 2, has an exception: The menu can show more than one pages and now only this menu shows.
 | |
|           //
 | |
|           // Base on the selected menu will show at the bottom of the page,
 | |
|           // select the menu which will show at the top of the page.
 | |
|           //
 | |
|           if (Link != NewPos || Index > BottomRow || 
 | |
|               (Link == NewPos && (SavedMenuOption->Row + SavedMenuOption->Skip - 1 > BottomRow) && (Link != TopOfScreen))) {
 | |
|             //
 | |
|             // Find the MenuOption which has the skip value for Date/Time opcode. 
 | |
|             //
 | |
|             AdjustDateAndTimePosition(FALSE, &NewPos);
 | |
|             //
 | |
|             // NewPos is not in the current page, simply scroll page so that NewPos is in the end of the page
 | |
|             //
 | |
|             SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);
 | |
|             //
 | |
|             // SavedMenuOption->Row == 0 means the menu not show yet.
 | |
|             //
 | |
|             if (SavedMenuOption->Row == 0) {
 | |
|               UpdateOptionSkipLines (Selection, SavedMenuOption);
 | |
|             }
 | |
| 
 | |
|             //
 | |
|             // Base on the selected menu will show at the bottome of next page, 
 | |
|             // select the menu show at the top of the next page. 
 | |
|             //
 | |
|             Link    = NewPos;
 | |
|             for (Index = TopRow + SavedMenuOption->Skip; Index <= BottomRow + 1; ) {            
 | |
|               Link = Link->BackLink;
 | |
|               SavedMenuOption = MENU_OPTION_FROM_LINK (Link);
 | |
|               if (SavedMenuOption->Row == 0) {
 | |
|                 UpdateOptionSkipLines (Selection, SavedMenuOption);
 | |
|               }
 | |
|               Index += SavedMenuOption->Skip;
 | |
|             }
 | |
| 
 | |
|             //
 | |
|             // Found the menu which will show at the top of the page.
 | |
|             //
 | |
|             if (Link == NewPos) {
 | |
|               //
 | |
|               // The menu can show more than one pages, just show the menu at the top of the page.
 | |
|               //
 | |
|               SkipValue    = 0;
 | |
|               TopOfScreen  = Link;
 | |
|               OldSkipValue = SkipValue;
 | |
|             } else {
 | |
|               //
 | |
|               // Check whether need to skip some line for menu shows at the top of the page.
 | |
|               //
 | |
|               SkipValue = Index - BottomRow - 1;
 | |
|               if (SkipValue > 0 && SkipValue < (INTN) SavedMenuOption->Skip) {
 | |
|                 TopOfScreen     = Link;
 | |
|                 OldSkipValue    = SkipValue;
 | |
|               } else {
 | |
|                 SkipValue       = 0;
 | |
|                 TopOfScreen     = Link->ForwardLink;
 | |
|               }
 | |
|             }
 | |
| 
 | |
|             Repaint = TRUE;
 | |
|             NewLine = TRUE;
 | |
|             ControlFlag = CfRepaint;
 | |
|             break;
 | |
|           }
 | |
|         } else {
 | |
|           //
 | |
|           // Target Question not found, highlight the default menu option
 | |
|           //
 | |
|           NewPos = TopOfScreen;
 | |
|         }
 | |
| 
 | |
|         Selection->QuestionId = 0;
 | |
|       }
 | |
| 
 | |
|       if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) {
 | |
|         if (MenuOption != NULL) {
 | |
|           //
 | |
|           // Remove highlight on last Menu Option
 | |
|           //
 | |
|           gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);
 | |
|           ProcessOptions (Selection, MenuOption, FALSE, &OptionString);
 | |
|           gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND);
 | |
|           if (OptionString != NULL) {
 | |
|             if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) ||
 | |
|                 (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)
 | |
|                ) {
 | |
|               ProcessStringForDateTime(MenuOption, OptionString, FALSE);
 | |
|             }
 | |
| 
 | |
|             Width               = (UINT16) gOptionBlockWidth;
 | |
|             OriginalRow         = MenuOption->Row;
 | |
|             GlyphWidth          = 1;
 | |
| 
 | |
|             for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
 | |
|               if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {
 | |
|                 PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);
 | |
|               }
 | |
|               //
 | |
|               // If there is more string to process print on the next row and increment the Skip value
 | |
|               //
 | |
|               if (StrLen (&OptionString[Index]) != 0) {
 | |
|                 MenuOption->Row++;
 | |
|               }
 | |
| 
 | |
|               FreePool (OutputString);
 | |
|             }
 | |
| 
 | |
|             MenuOption->Row = OriginalRow;
 | |
| 
 | |
|             FreePool (OptionString);
 | |
|           } else {
 | |
|             if (NewLine) {
 | |
|               if (MenuOption->GrayOut) {
 | |
|                 gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_GRAYED | FIELD_BACKGROUND);
 | |
|               } else if (MenuOption->ThisTag->Operand == EFI_IFR_SUBTITLE_OP) {
 | |
|                 gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserSubtitleTextColor) | FIELD_BACKGROUND);
 | |
|               }
 | |
| 
 | |
|               OriginalRow = MenuOption->Row;
 | |
|               Width       = GetWidth (MenuOption->ThisTag, MenuOption->Handle);
 | |
|               GlyphWidth  = 1;
 | |
| 
 | |
|               for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
 | |
|                 if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {
 | |
|                   PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);
 | |
|                 }
 | |
|                 //
 | |
|                 // If there is more string to process print on the next row and increment the Skip value
 | |
|                 //
 | |
|                 if (StrLen (&MenuOption->Description[Index]) != 0) {
 | |
|                   MenuOption->Row++;
 | |
|                 }
 | |
| 
 | |
|                 FreePool (OutputString);
 | |
|               }
 | |
| 
 | |
|               MenuOption->Row = OriginalRow;
 | |
|               gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND);
 | |
|             }
 | |
|           }
 | |
|         }
 | |
| 
 | |
|         //
 | |
|         // This is the current selected statement
 | |
|         //
 | |
|         MenuOption = MENU_OPTION_FROM_LINK (NewPos);
 | |
|         Statement = MenuOption->ThisTag;
 | |
|         Selection->Statement = Statement;
 | |
|         if (!IsSelectable (MenuOption)) {
 | |
|           Repaint = SavedValue;
 | |
|           UpdateKeyHelp (Selection, MenuOption, FALSE);
 | |
|           break;
 | |
|         }
 | |
| 
 | |
|         //
 | |
|         // Record highlight for current menu
 | |
|         //
 | |
|         CurrentMenu->QuestionId = Statement->QuestionId;
 | |
|         CurrentMenu->Sequence   = MenuOption->Sequence;
 | |
| 
 | |
|         //
 | |
|         // Set reverse attribute
 | |
|         //
 | |
|         gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextHighlightColor) | PcdGet8 (PcdBrowserFieldBackgroundHighlightColor));
 | |
|         gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);
 | |
| 
 | |
|         //
 | |
|         // Assuming that we have a refresh linked-list created, lets annotate the
 | |
|         // appropriate entry that we are highlighting with its new attribute.  Just prior to this
 | |
|         // lets reset all of the entries' attribute so we do not get multiple highlights in he refresh
 | |
|         //
 | |
|         if (gMenuRefreshHead != NULL) {
 | |
|           for (MenuRefreshEntry = gMenuRefreshHead; MenuRefreshEntry != NULL; MenuRefreshEntry = MenuRefreshEntry->Next) {
 | |
|             if (MenuRefreshEntry->MenuOption->GrayOut) {
 | |
|               MenuRefreshEntry->CurrentAttribute = FIELD_TEXT_GRAYED | FIELD_BACKGROUND;
 | |
|             } else {               
 | |
|               MenuRefreshEntry->CurrentAttribute = PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND;
 | |
|             }
 | |
|             if (MenuRefreshEntry->MenuOption == MenuOption) {
 | |
|               MenuRefreshEntry->CurrentAttribute = PcdGet8 (PcdBrowserFieldTextHighlightColor) | PcdGet8 (PcdBrowserFieldBackgroundHighlightColor);
 | |
|             }
 | |
|           }
 | |
|         }
 | |
| 
 | |
|         ProcessOptions (Selection, MenuOption, FALSE, &OptionString);
 | |
|         if (OptionString != NULL) {
 | |
|           if (Statement->Operand == EFI_IFR_DATE_OP || Statement->Operand == EFI_IFR_TIME_OP) {
 | |
|             ProcessStringForDateTime(MenuOption, OptionString, FALSE);
 | |
|           }
 | |
|           Width               = (UINT16) gOptionBlockWidth;
 | |
| 
 | |
|           OriginalRow         = MenuOption->Row;
 | |
|           GlyphWidth          = 1;
 | |
| 
 | |
|           for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
 | |
|             if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {
 | |
|               PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);
 | |
|             }
 | |
|             //
 | |
|             // If there is more string to process print on the next row and increment the Skip value
 | |
|             //
 | |
|             if (StrLen (&OptionString[Index]) != 0) {
 | |
|               MenuOption->Row++;
 | |
|             }
 | |
| 
 | |
|             FreePool (OutputString);
 | |
|           }
 | |
| 
 | |
|           MenuOption->Row = OriginalRow;
 | |
| 
 | |
|           FreePool (OptionString);
 | |
|         } else {
 | |
|           if (NewLine) {
 | |
|             OriginalRow = MenuOption->Row;
 | |
| 
 | |
|             Width       = GetWidth (Statement, MenuOption->Handle);
 | |
|             GlyphWidth          = 1;
 | |
| 
 | |
|             for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
 | |
|               if (MenuOption->Row >= TopRow && MenuOption->Row <= BottomRow) {
 | |
|                 PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);
 | |
|               }
 | |
|               //
 | |
|               // If there is more string to process print on the next row and increment the Skip value
 | |
|               //
 | |
|               if (StrLen (&MenuOption->Description[Index]) != 0) {
 | |
|                 MenuOption->Row++;
 | |
|               }
 | |
| 
 | |
|               FreePool (OutputString);
 | |
|             }
 | |
| 
 | |
|             MenuOption->Row = OriginalRow;
 | |
| 
 | |
|           }
 | |
|         }
 | |
| 
 | |
|         UpdateKeyHelp (Selection, MenuOption, FALSE);
 | |
| 
 | |
|         //
 | |
|         // Clear reverse attribute
 | |
|         //
 | |
|         gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND);
 | |
|       }
 | |
|       //
 | |
|       // Repaint flag will be used when process CfUpdateHelpString, so restore its value
 | |
|       // if we didn't break halfway when process CfRefreshHighLight.
 | |
|       //
 | |
|       Repaint = SavedValue;
 | |
|       break;
 | |
| 
 | |
|     case CfUpdateHelpString:
 | |
|       ControlFlag = CfPrepareToReadKey;
 | |
|       if (Selection->Form->ModalForm) {
 | |
|         break;
 | |
|       }
 | |
| 
 | |
|       if (Repaint || NewLine) {
 | |
|         //
 | |
|         // Don't print anything if it is a NULL help token
 | |
|         //
 | |
|         ASSERT(MenuOption != NULL);
 | |
|         if (MenuOption->ThisTag->Help == 0 || !IsSelectable (MenuOption)) {
 | |
|           StringPtr = L"\0";
 | |
|         } else {
 | |
|           StringPtr = GetToken (MenuOption->ThisTag->Help, MenuOption->Handle);
 | |
|         }
 | |
| 
 | |
|         RowCount      = BottomRow - TopRow;
 | |
|         HelpPageIndex = 0;
 | |
|         //
 | |
|         // 1.Calculate how many line the help string need to print.
 | |
|         //
 | |
|         if (HelpString != NULL) {
 | |
|           FreePool (HelpString);
 | |
|         }
 | |
|         HelpLine = ProcessHelpString (StringPtr, &HelpString, &EachLineWidth, RowCount);
 | |
|         if (HelpLine > RowCount) {
 | |
|           MultiHelpPage   = TRUE;
 | |
|           StringPtr       = GetToken (STRING_TOKEN(ADJUST_HELP_PAGE_UP), gHiiHandle);
 | |
|           if (HelpHeaderString != NULL) {
 | |
|             FreePool (HelpHeaderString);
 | |
|           }
 | |
|           HelpHeaderLine  = ProcessHelpString (StringPtr, &HelpHeaderString, &HeaderLineWidth, RowCount);
 | |
|           StringPtr       = GetToken (STRING_TOKEN(ADJUST_HELP_PAGE_DOWN), gHiiHandle);
 | |
|           if (HelpBottomString != NULL) {
 | |
|             FreePool (HelpBottomString);
 | |
|           }
 | |
|           HelpBottomLine  = ProcessHelpString (StringPtr, &HelpBottomString, &BottomLineWidth, RowCount);
 | |
|           //
 | |
|           // Calculate the help page count.
 | |
|           //
 | |
|           if (HelpLine > 2 * RowCount - 2) {
 | |
|             HelpPageCount = (HelpLine - RowCount + 1) / (RowCount - 2) + 1;
 | |
|             if ((HelpLine - RowCount + 1) % (RowCount - 2) > 1) {
 | |
|               HelpPageCount += 1;
 | |
|             }
 | |
|           } else {
 | |
|             HelpPageCount = 2;
 | |
|           }
 | |
|         } else {
 | |
|           MultiHelpPage = FALSE;
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // Clean the help field first.
 | |
|       //
 | |
|       ClearLines (
 | |
|         LocalScreen.RightColumn - gHelpBlockWidth,
 | |
|         LocalScreen.RightColumn,
 | |
|         TopRow,
 | |
|         BottomRow,
 | |
|         PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND
 | |
|         );
 | |
| 
 | |
|       //
 | |
|       // Check whether need to show the 'More(U/u)' at the begin.
 | |
|       // Base on current direct info, here shows aligned to the right side of the column.
 | |
|       // If the direction is multi line and aligned to right side may have problem, so 
 | |
|       // add ASSERT code here.
 | |
|       //
 | |
|       if (HelpPageIndex > 0) {
 | |
|         gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT | FIELD_BACKGROUND);
 | |
|         for (Index = 0; Index < HelpHeaderLine; Index++) {
 | |
|           ASSERT (HelpHeaderLine == 1);
 | |
|           ASSERT (GetStringWidth (HelpHeaderString) / 2 < (UINTN) (gHelpBlockWidth - 1));
 | |
|           PrintStringAt (
 | |
|             LocalScreen.RightColumn - GetStringWidth (HelpHeaderString) / 2 - 1,
 | |
|             Index + TopRow,
 | |
|             &HelpHeaderString[Index * HeaderLineWidth]
 | |
|             );
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       gST->ConOut->SetAttribute (gST->ConOut, HELP_TEXT | FIELD_BACKGROUND);
 | |
|       //
 | |
|       // Print the help string info.
 | |
|       //
 | |
|       if (!MultiHelpPage) {
 | |
|         for (Index = 0; Index < HelpLine; Index++) {
 | |
|           PrintStringAt (
 | |
|             LocalScreen.RightColumn - gHelpBlockWidth,
 | |
|             Index + TopRow,
 | |
|             &HelpString[Index * EachLineWidth]
 | |
|             );
 | |
|         }
 | |
|         gST->ConOut->SetCursorPosition(gST->ConOut, LocalScreen.RightColumn-1, BottomRow);
 | |
|       } else  {
 | |
|         if (HelpPageIndex == 0) {
 | |
|           for (Index = 0; Index < RowCount - HelpBottomLine; Index++) {
 | |
|             PrintStringAt (
 | |
|               LocalScreen.RightColumn - gHelpBlockWidth,
 | |
|               Index + TopRow,
 | |
|               &HelpString[Index * EachLineWidth]
 | |
|               );
 | |
|           }
 | |
|         } else {
 | |
|           for (Index = 0; (Index < RowCount - HelpBottomLine - HelpHeaderLine) && 
 | |
|               (Index + HelpPageIndex * (RowCount - 2) + 1 < HelpLine); Index++) {
 | |
|             PrintStringAt (
 | |
|               LocalScreen.RightColumn - gHelpBlockWidth,
 | |
|               Index + TopRow + HelpHeaderLine,
 | |
|               &HelpString[(Index + HelpPageIndex * (RowCount - 2) + 1)* EachLineWidth]
 | |
|               );
 | |
|           }
 | |
|           if (HelpPageIndex == HelpPageCount - 1) {
 | |
|             gST->ConOut->SetCursorPosition(gST->ConOut, LocalScreen.RightColumn-1, BottomRow);
 | |
|           }
 | |
|         } 
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // Check whether need to print the 'More(D/d)' at the bottom.
 | |
|       // Base on current direct info, here shows aligned to the right side of the column.
 | |
|       // If the direction is multi line and aligned to right side may have problem, so 
 | |
|       // add ASSERT code here.
 | |
|       //
 | |
|       if (HelpPageIndex < HelpPageCount - 1 && MultiHelpPage) {
 | |
|         gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT | FIELD_BACKGROUND);
 | |
|         for (Index = 0; Index < HelpBottomLine; Index++) {
 | |
|           ASSERT (HelpBottomLine == 1);
 | |
|           ASSERT (GetStringWidth (HelpBottomString) / 2 < (UINTN) (gHelpBlockWidth - 1)); 
 | |
|           PrintStringAt (
 | |
|             LocalScreen.RightColumn - GetStringWidth (HelpBottomString) / 2 - 1,
 | |
|             Index + BottomRow - HelpBottomLine,
 | |
|             &HelpBottomString[Index * BottomLineWidth]
 | |
|             );
 | |
|         }
 | |
|       }
 | |
|       //
 | |
|       // Reset this flag every time we finish using it.
 | |
|       //
 | |
|       Repaint = FALSE;
 | |
|       NewLine = FALSE;
 | |
|       break;
 | |
| 
 | |
|     case CfPrepareToReadKey:
 | |
|       ControlFlag = CfReadKey;
 | |
|       ScreenOperation = UiNoOperation;
 | |
|       break;
 | |
| 
 | |
|     case CfReadKey:
 | |
|       ControlFlag = CfScreenOperation;
 | |
| 
 | |
|       //
 | |
|       // Wait for user's selection
 | |
|       //
 | |
|       do {
 | |
|         Status = UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, MinRefreshInterval);
 | |
|       } while (Status == EFI_TIMEOUT);
 | |
| 
 | |
|       if (Selection->Action == UI_ACTION_REFRESH_FORMSET) {
 | |
|         //
 | |
|         // IFR is updated in Callback of refresh opcode, re-parse it
 | |
|         //
 | |
|         ControlFlag = CfCheckSelection;
 | |
|         Selection->Statement = NULL;
 | |
|         break;
 | |
|       }
 | |
| 
 | |
|       Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
 | |
|       //
 | |
|       // If we encounter error, continue to read another key in.
 | |
|       //
 | |
|       if (EFI_ERROR (Status)) {
 | |
|         ControlFlag = CfReadKey;
 | |
|         break;
 | |
|       }
 | |
| 
 | |
|       switch (Key.UnicodeChar) {
 | |
|       case CHAR_CARRIAGE_RETURN:
 | |
|         if(MenuOption->GrayOut || MenuOption->ReadOnly) {
 | |
|           ControlFlag = CfReadKey;
 | |
|           break;
 | |
|         }
 | |
| 
 | |
|         ScreenOperation = UiSelect;
 | |
|         gDirection      = 0;
 | |
|         break;
 | |
| 
 | |
|       //
 | |
|       // We will push the adjustment of these numeric values directly to the input handler
 | |
|       //  NOTE: we won't handle manual input numeric
 | |
|       //
 | |
|       case '+':
 | |
|       case '-':
 | |
|         //
 | |
|         // If the screen has no menu items, and the user didn't select UiReset
 | |
|         // ignore the selection and go back to reading keys.
 | |
|         //
 | |
|         if(IsListEmpty (&gMenuOption) || MenuOption->GrayOut || MenuOption->ReadOnly) {
 | |
|           ControlFlag = CfReadKey;
 | |
|           break;
 | |
|         }
 | |
| 
 | |
|         ASSERT(MenuOption != NULL);
 | |
|         Statement = MenuOption->ThisTag;
 | |
|         if ((Statement->Operand == EFI_IFR_DATE_OP)
 | |
|           || (Statement->Operand == EFI_IFR_TIME_OP)
 | |
|           || ((Statement->Operand == EFI_IFR_NUMERIC_OP) && (Statement->Step != 0))
 | |
|         ){
 | |
|           if (Key.UnicodeChar == '+') {
 | |
|             gDirection = SCAN_RIGHT;
 | |
|           } else {
 | |
|             gDirection = SCAN_LEFT;
 | |
|           }
 | |
|           Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);
 | |
|           if (EFI_ERROR (Status)) {
 | |
|             //
 | |
|             // Repaint to clear possible error prompt pop-up
 | |
|             //
 | |
|             Repaint = TRUE;
 | |
|             NewLine = TRUE;
 | |
|           } else {
 | |
|             Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
|           }
 | |
|           if (OptionString != NULL) {
 | |
|             FreePool (OptionString);
 | |
|           }
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|       case '^':
 | |
|         ScreenOperation = UiUp;
 | |
|         break;
 | |
| 
 | |
|       case 'V':
 | |
|       case 'v':
 | |
|         ScreenOperation = UiDown;
 | |
|         break;
 | |
| 
 | |
|       case ' ':
 | |
|         if ((gClassOfVfr & FORMSET_CLASS_FRONT_PAGE) != FORMSET_CLASS_FRONT_PAGE) {
 | |
|           //
 | |
|           // If the screen has no menu items, and the user didn't select UiReset
 | |
|           // ignore the selection and go back to reading keys.
 | |
|           //
 | |
|           if(IsListEmpty (&gMenuOption)) {
 | |
|             ControlFlag = CfReadKey;
 | |
|             break;
 | |
|           }
 | |
|           
 | |
|           ASSERT(MenuOption != NULL);
 | |
|           if (MenuOption->ThisTag->Operand == EFI_IFR_CHECKBOX_OP && !MenuOption->GrayOut && !MenuOption->ReadOnly) {
 | |
|             ScreenOperation = UiSelect;
 | |
|           }
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|       case 'D':
 | |
|       case 'd':
 | |
|         if (!MultiHelpPage) {
 | |
|           ControlFlag = CfReadKey;
 | |
|           break;
 | |
|         }
 | |
|         ControlFlag    = CfUpdateHelpString;
 | |
|         HelpPageIndex  = HelpPageIndex < HelpPageCount - 1 ? HelpPageIndex + 1 : HelpPageCount - 1;
 | |
|         break;
 | |
| 
 | |
|       case 'U':
 | |
|       case 'u':
 | |
|         if (!MultiHelpPage) {
 | |
|           ControlFlag = CfReadKey;
 | |
|           break;
 | |
|         }
 | |
|         ControlFlag    = CfUpdateHelpString;
 | |
|         HelpPageIndex  = HelpPageIndex > 0 ? HelpPageIndex - 1 : 0;
 | |
|         break;
 | |
| 
 | |
|       case CHAR_NULL:
 | |
|         for (Index = 0; Index < mScanCodeNumber; Index++) {
 | |
|           if (Key.ScanCode == gScanCodeToOperation[Index].ScanCode) {
 | |
|             ScreenOperation = gScanCodeToOperation[Index].ScreenOperation;
 | |
|             break;
 | |
|           }
 | |
|         }
 | |
|         
 | |
|         if (Selection->Form->ModalForm && (Key.ScanCode == SCAN_ESC || Index == mScanCodeNumber)) {
 | |
|           //
 | |
|           // ModalForm has no ESC key and Hot Key.
 | |
|           //
 | |
|           ControlFlag = CfReadKey;
 | |
|         } else if (Index == mScanCodeNumber) {
 | |
|           //
 | |
|           // Check whether Key matches the registered hot key.
 | |
|           //
 | |
|           HotKey = NULL;
 | |
|           if ((gBrowserSettingScope == SystemLevel) || (gFunctionKeySetting != NONE_FUNCTION_KEY_SETTING)) {
 | |
|             HotKey = GetHotKeyFromRegisterList (&Key);
 | |
|           }
 | |
|           if (HotKey != NULL) {
 | |
|             ScreenOperation = UiHotKey;
 | |
|           }
 | |
|         }
 | |
|         break;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfScreenOperation:
 | |
|       if (ScreenOperation != UiReset) {
 | |
|         //
 | |
|         // If the screen has no menu items, and the user didn't select UiReset
 | |
|         // ignore the selection and go back to reading keys.
 | |
|         //
 | |
|         if (IsListEmpty (&gMenuOption)) {
 | |
|           ControlFlag = CfReadKey;
 | |
|           break;
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       for (Index = 0;
 | |
|            Index < sizeof (gScreenOperationToControlFlag) / sizeof (gScreenOperationToControlFlag[0]);
 | |
|            Index++
 | |
|           ) {
 | |
|         if (ScreenOperation == gScreenOperationToControlFlag[Index].ScreenOperation) {
 | |
|           ControlFlag = gScreenOperationToControlFlag[Index].ControlFlag;
 | |
|           break;
 | |
|         }
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfUiSelect:
 | |
|       ControlFlag = CfCheckSelection;
 | |
| 
 | |
|       ASSERT(MenuOption != NULL);
 | |
|       Statement = MenuOption->ThisTag;
 | |
|       if (Statement->Operand == EFI_IFR_TEXT_OP) {
 | |
|         break;
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // Keep highlight on current MenuOption
 | |
|       //
 | |
|       Selection->QuestionId = Statement->QuestionId;
 | |
| 
 | |
|       switch (Statement->Operand) {
 | |
|       case EFI_IFR_REF_OP:
 | |
|         ProcessGotoOpCode(Statement, Selection, &Repaint, &NewLine);
 | |
|         break;
 | |
| 
 | |
|       case EFI_IFR_ACTION_OP:
 | |
|         //
 | |
|         // Process the Config string <ConfigResp>
 | |
|         //
 | |
|         Status = ProcessQuestionConfig (Selection, Statement);
 | |
| 
 | |
|         if (EFI_ERROR (Status)) {
 | |
|           break;
 | |
|         }
 | |
| 
 | |
|         //
 | |
|         // The action button may change some Question value, so refresh the form
 | |
|         //
 | |
|         Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
|         break;
 | |
| 
 | |
|       case EFI_IFR_RESET_BUTTON_OP:
 | |
|         //
 | |
|         // Reset Question to default value specified by DefaultId
 | |
|         //
 | |
|         ControlFlag = CfUiDefault;
 | |
|         DefaultId = Statement->DefaultId;
 | |
|         break;
 | |
| 
 | |
|       default:
 | |
|         //
 | |
|         // Editable Questions: oneof, ordered list, checkbox, numeric, string, password
 | |
|         //
 | |
|         UpdateKeyHelp (Selection, MenuOption, TRUE);
 | |
|         Status = ProcessOptions (Selection, MenuOption, TRUE, &OptionString);
 | |
| 
 | |
|         if (EFI_ERROR (Status)) {
 | |
|           Repaint = TRUE;
 | |
|           NewLine = TRUE;
 | |
|           UpdateKeyHelp (Selection, MenuOption, FALSE);
 | |
|         } else {
 | |
|           Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
|         }
 | |
| 
 | |
|         if (OptionString != NULL) {
 | |
|           FreePool (OptionString);
 | |
|         }
 | |
|         break;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfUiReset:
 | |
|       //
 | |
|       // We come here when someone press ESC
 | |
|       //
 | |
|       ControlFlag = CfCheckSelection;
 | |
|       FindNextMenu (Selection, &Repaint, &NewLine);
 | |
|       break;
 | |
| 
 | |
|     case CfUiLeft:
 | |
|       ControlFlag = CfCheckSelection;
 | |
|       ASSERT(MenuOption != NULL);
 | |
|       if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {
 | |
|         if (MenuOption->Sequence != 0) {
 | |
|           //
 | |
|           // In the middle or tail of the Date/Time op-code set, go left.
 | |
|           //
 | |
|           ASSERT(NewPos != NULL);
 | |
|           NewPos = NewPos->BackLink;
 | |
|         }
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfUiRight:
 | |
|       ControlFlag = CfCheckSelection;
 | |
|       ASSERT(MenuOption != NULL);
 | |
|       if ((MenuOption->ThisTag->Operand == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)) {
 | |
|         if (MenuOption->Sequence != 2) {
 | |
|           //
 | |
|           // In the middle or tail of the Date/Time op-code set, go left.
 | |
|           //
 | |
|           ASSERT(NewPos != NULL);
 | |
|           NewPos = NewPos->ForwardLink;
 | |
|         }
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfUiUp:
 | |
|       ControlFlag = CfCheckSelection;
 | |
| 
 | |
|       SavedListEntry = NewPos;
 | |
| 
 | |
|       ASSERT(NewPos != NULL);
 | |
|       //
 | |
|       // Adjust Date/Time position before we advance forward.
 | |
|       //
 | |
|       AdjustDateAndTimePosition (TRUE, &NewPos);
 | |
|       if (NewPos->BackLink != &gMenuOption) {
 | |
|         MenuOption = MENU_OPTION_FROM_LINK (NewPos);
 | |
|         ASSERT (MenuOption != NULL);
 | |
|         NewLine    = TRUE;
 | |
|         NewPos     = NewPos->BackLink;
 | |
| 
 | |
|         PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);
 | |
|         if (PreviousMenuOption->Row == 0) {
 | |
|           UpdateOptionSkipLines (Selection, PreviousMenuOption);
 | |
|         }
 | |
|         DistanceValue = PreviousMenuOption->Skip;
 | |
|         Difference    = 0;
 | |
|         if (MenuOption->Row >= DistanceValue + TopRow) {
 | |
|           Difference = MoveToNextStatement (Selection, TRUE, &NewPos, MenuOption->Row - TopRow - DistanceValue);
 | |
|         }
 | |
|         NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);
 | |
|        
 | |
|         if (Difference < 0) {
 | |
|           //
 | |
|           // We hit the begining MenuOption that can be focused
 | |
|           // so we simply scroll to the top.
 | |
|           //
 | |
|           if (TopOfScreen != gMenuOption.ForwardLink) {
 | |
|             TopOfScreen = gMenuOption.ForwardLink;
 | |
|             Repaint     = TRUE;
 | |
|           } else {
 | |
|             //
 | |
|             // Scroll up to the last page when we have arrived at top page.
 | |
|             //
 | |
|             NewPos          = &gMenuOption;
 | |
|             TopOfScreen     = &gMenuOption;
 | |
|             MenuOption      = MENU_OPTION_FROM_LINK (SavedListEntry);
 | |
|             ScreenOperation = UiPageUp;
 | |
|             ControlFlag     = CfScreenOperation;
 | |
|             break;
 | |
|           }
 | |
|         } else if (MenuOption->Row < TopRow + DistanceValue + Difference) {
 | |
|           //
 | |
|           // Previous focus MenuOption is above the TopOfScreen, so we need to scroll
 | |
|           //
 | |
|           TopOfScreen = NewPos;
 | |
|           Repaint     = TRUE;
 | |
|           SkipValue = 0;
 | |
|           OldSkipValue = 0;
 | |
|         } else if (!IsSelectable (NextMenuOption)) {
 | |
|           //
 | |
|           // Continue to go up until scroll to next page or the selectable option is found.
 | |
|           //
 | |
|           ScreenOperation = UiUp;
 | |
|           ControlFlag     = CfScreenOperation;
 | |
|         }
 | |
| 
 | |
|         //
 | |
|         // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
 | |
|         //
 | |
|         AdjustDateAndTimePosition (TRUE, &TopOfScreen);
 | |
|         AdjustDateAndTimePosition (TRUE, &NewPos);
 | |
|         MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
 | |
|         UpdateStatusBar (Selection, INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);
 | |
|       } else {
 | |
|         //
 | |
|         // Scroll up to the last page.
 | |
|         //
 | |
|         NewPos          = &gMenuOption;
 | |
|         TopOfScreen     = &gMenuOption;
 | |
|         MenuOption      = MENU_OPTION_FROM_LINK (SavedListEntry);
 | |
|         ScreenOperation = UiPageUp;
 | |
|         ControlFlag     = CfScreenOperation;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfUiPageUp:
 | |
|       ControlFlag     = CfCheckSelection;
 | |
| 
 | |
|       ASSERT(NewPos != NULL);
 | |
|       if (NewPos->BackLink == &gMenuOption) {
 | |
|         NewLine = FALSE;
 | |
|         Repaint = FALSE;
 | |
|         break;
 | |
|       }
 | |
| 
 | |
|       NewLine   = TRUE;
 | |
|       Repaint   = TRUE;
 | |
|       Link      = TopOfScreen;
 | |
|       Index     = BottomRow;
 | |
|       while ((Index >= TopRow) && (Link->BackLink != &gMenuOption)) {
 | |
|         Link = Link->BackLink;
 | |
|         PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);
 | |
|         if (PreviousMenuOption->Row == 0) {
 | |
|           UpdateOptionSkipLines (Selection, PreviousMenuOption);
 | |
|         }        
 | |
|         if (Index < PreviousMenuOption->Skip) {
 | |
|           Index = 0;
 | |
|           break;
 | |
|         }
 | |
|         Index = Index - PreviousMenuOption->Skip;
 | |
|       }
 | |
|       
 | |
|       if ((Link->BackLink == &gMenuOption) && (Index >= TopRow)) {
 | |
|         if (TopOfScreen == &gMenuOption) {
 | |
|           TopOfScreen = gMenuOption.ForwardLink;
 | |
|           NewPos      = gMenuOption.BackLink;
 | |
|           MoveToNextStatement (Selection, TRUE, &NewPos, BottomRow - TopRow);
 | |
|           Repaint = FALSE;
 | |
|         } else if (TopOfScreen != Link) {
 | |
|           TopOfScreen = Link;
 | |
|           NewPos      = Link;
 | |
|           MoveToNextStatement (Selection, FALSE, &NewPos, BottomRow - TopRow);
 | |
|         } else {
 | |
|           //
 | |
|           // Finally we know that NewPos is the last MenuOption can be focused.
 | |
|           //
 | |
|           Repaint = FALSE;
 | |
|           NewPos  = Link;
 | |
|           MoveToNextStatement (Selection, FALSE, &NewPos, BottomRow - TopRow);
 | |
|         }
 | |
|       } else {
 | |
|         if (Index + 1 < TopRow) {
 | |
|           //
 | |
|           // Back up the previous option.
 | |
|           //
 | |
|           Link = Link->ForwardLink;
 | |
|         }
 | |
| 
 | |
|         //
 | |
|         // Move to the option in Next page.
 | |
|         //
 | |
|         if (TopOfScreen == &gMenuOption) {
 | |
|           NewPos = gMenuOption.BackLink;
 | |
|           MoveToNextStatement (Selection, TRUE, &NewPos, BottomRow - TopRow);
 | |
|         } else {
 | |
|           NewPos = Link;
 | |
|           MoveToNextStatement (Selection, FALSE, &NewPos, BottomRow - TopRow);
 | |
|         }
 | |
| 
 | |
|         //
 | |
|         // There are more MenuOption needing scrolling up.
 | |
|         //
 | |
|         TopOfScreen = Link;
 | |
|         MenuOption  = NULL;
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
 | |
|       // Don't do this when we are already in the first page.
 | |
|       //
 | |
|       AdjustDateAndTimePosition (TRUE, &TopOfScreen);
 | |
|       AdjustDateAndTimePosition (TRUE, &NewPos);
 | |
|       break;
 | |
| 
 | |
|     case CfUiPageDown:
 | |
|       ControlFlag     = CfCheckSelection;
 | |
| 
 | |
|       ASSERT (NewPos != NULL);
 | |
|       if (NewPos->ForwardLink == &gMenuOption) {
 | |
|         NewLine = FALSE;
 | |
|         Repaint = FALSE;
 | |
|         break;
 | |
|       }
 | |
| 
 | |
|       NewLine = TRUE;
 | |
|       Repaint = TRUE;
 | |
|       Link    = TopOfScreen;
 | |
|       NextMenuOption = MENU_OPTION_FROM_LINK (Link);
 | |
|       Index = TopRow;
 | |
|       while ((Index <= BottomRow) && (Link->ForwardLink != &gMenuOption)) {
 | |
|         Index = Index + NextMenuOption->Skip;
 | |
|         Link           = Link->ForwardLink;
 | |
|         NextMenuOption = MENU_OPTION_FROM_LINK (Link);
 | |
|       }
 | |
| 
 | |
|       if ((Link->ForwardLink == &gMenuOption) && (Index <= BottomRow)) {
 | |
|         //
 | |
|         // Finally we know that NewPos is the last MenuOption can be focused.
 | |
|         //
 | |
|         Repaint = FALSE;
 | |
|         MoveToNextStatement (Selection, TRUE, &Link, Index - TopRow);
 | |
|       } else {
 | |
|         if (Index - 1 > BottomRow) {
 | |
|           //
 | |
|           // Back up the previous option.
 | |
|           //
 | |
|           Link = Link->BackLink;
 | |
|         }
 | |
|         //
 | |
|         // There are more MenuOption needing scrolling down.
 | |
|         //
 | |
|         TopOfScreen = Link;
 | |
|         MenuOption = NULL;
 | |
|         //
 | |
|         // Move to the option in Next page.
 | |
|         //
 | |
|         MoveToNextStatement (Selection, FALSE, &Link, BottomRow - TopRow);
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
 | |
|       // Don't do this when we are already in the last page.
 | |
|       //
 | |
|       NewPos  = Link;
 | |
|       AdjustDateAndTimePosition (TRUE, &TopOfScreen);
 | |
|       AdjustDateAndTimePosition (TRUE, &NewPos);
 | |
|       break;
 | |
| 
 | |
|     case CfUiDown:
 | |
|       ControlFlag = CfCheckSelection;
 | |
|       //
 | |
|       // Since the behavior of hitting the down arrow on a Date/Time op-code is intended
 | |
|       // to be one that progresses to the next set of op-codes, we need to advance to the last
 | |
|       // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate
 | |
|       // checking can be done.  The only other logic we need to introduce is that if a Date/Time
 | |
|       // op-code is the last entry in the menu, we need to rewind back to the first op-code of
 | |
|       // the Date/Time op-code.
 | |
|       //
 | |
|       SavedListEntry = NewPos;
 | |
|       AdjustDateAndTimePosition (FALSE, &NewPos);
 | |
| 
 | |
|       if (NewPos->ForwardLink != &gMenuOption) {
 | |
|         MenuOption      = MENU_OPTION_FROM_LINK (NewPos);
 | |
|         NewLine         = TRUE;
 | |
|         NewPos          = NewPos->ForwardLink;
 | |
| 
 | |
|         Difference      = 0;
 | |
|         if (BottomRow >= MenuOption->Row + MenuOption->Skip) {
 | |
|           Difference    = MoveToNextStatement (Selection, FALSE, &NewPos, BottomRow - MenuOption->Row - MenuOption->Skip);
 | |
|           //
 | |
|           // We hit the end of MenuOption that can be focused
 | |
|           // so we simply scroll to the first page.
 | |
|           //
 | |
|           if (Difference < 0) {
 | |
|             //
 | |
|             // Scroll to the first page.
 | |
|             //
 | |
|             if (TopOfScreen != gMenuOption.ForwardLink) {
 | |
|               TopOfScreen = gMenuOption.ForwardLink;
 | |
|               Repaint     = TRUE;
 | |
|               MenuOption  = NULL;
 | |
|             } else {
 | |
|               MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
 | |
|             }
 | |
|             NewPos        = gMenuOption.ForwardLink;
 | |
|             MoveToNextStatement (Selection, FALSE, &NewPos, BottomRow - TopRow);
 | |
|     
 | |
|             //
 | |
|             // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.
 | |
|             //
 | |
|             AdjustDateAndTimePosition (TRUE, &TopOfScreen);
 | |
|             AdjustDateAndTimePosition (TRUE, &NewPos);
 | |
|             break;
 | |
|           }
 | |
|         }
 | |
|         NextMenuOption  = MENU_OPTION_FROM_LINK (NewPos);
 | |
| 
 | |
|         //
 | |
|         // An option might be multi-line, so we need to reflect that data in the overall skip value
 | |
|         //
 | |
|         UpdateOptionSkipLines (Selection, NextMenuOption);
 | |
|         DistanceValue  = Difference + NextMenuOption->Skip;
 | |
| 
 | |
|         Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1;
 | |
|         if ((MenuOption->Row + MenuOption->Skip == BottomRow + 1) &&
 | |
|             (NextMenuOption->ThisTag->Operand == EFI_IFR_DATE_OP ||
 | |
|              NextMenuOption->ThisTag->Operand == EFI_IFR_TIME_OP)
 | |
|             ) {
 | |
|           Temp ++;
 | |
|         }
 | |
| 
 | |
|         //
 | |
|         // If we are going to scroll, update TopOfScreen
 | |
|         //
 | |
|         if (Temp > BottomRow) {
 | |
|           do {
 | |
|             //
 | |
|             // Is the current top of screen a zero-advance op-code?
 | |
|             // If so, keep moving forward till we hit a >0 advance op-code
 | |
|             //
 | |
|             SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);
 | |
| 
 | |
|             //
 | |
|             // If bottom op-code is more than one line or top op-code is more than one line
 | |
|             //
 | |
|             if ((DistanceValue > 1) || (MenuOption->Skip > 1)) {
 | |
|               //
 | |
|               // Is the bottom op-code greater than or equal in size to the top op-code?
 | |
|               //
 | |
|               if ((Temp - BottomRow) >= (SavedMenuOption->Skip - OldSkipValue)) {
 | |
|                 //
 | |
|                 // Skip the top op-code
 | |
|                 //
 | |
|                 TopOfScreen     = TopOfScreen->ForwardLink;
 | |
|                 Difference      = (Temp - BottomRow) - (SavedMenuOption->Skip - OldSkipValue);
 | |
| 
 | |
|                 OldSkipValue    = Difference;
 | |
| 
 | |
|                 SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);
 | |
| 
 | |
|                 //
 | |
|                 // If we have a remainder, skip that many more op-codes until we drain the remainder
 | |
|                 //
 | |
|                 while (Difference >= (INTN) SavedMenuOption->Skip) {
 | |
|                   //
 | |
|                   // Since the Difference is greater than or equal to this op-code's skip value, skip it
 | |
|                   //
 | |
|                   Difference      = Difference - (INTN) SavedMenuOption->Skip;
 | |
|                   TopOfScreen     = TopOfScreen->ForwardLink;
 | |
|                   SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);
 | |
|                 }
 | |
|                 //
 | |
|                 // Since we will act on this op-code in the next routine, and increment the
 | |
|                 // SkipValue, set the skips to one less than what is required.
 | |
|                 //
 | |
|                 SkipValue = Difference - 1;
 | |
| 
 | |
|               } else {
 | |
|                 //
 | |
|                 // Since we will act on this op-code in the next routine, and increment the
 | |
|                 // SkipValue, set the skips to one less than what is required.
 | |
|                 //
 | |
|                 SkipValue = OldSkipValue + (Temp - BottomRow) - 1;
 | |
|               }
 | |
|             } else {
 | |
|               if ((OldSkipValue + 1) == (INTN) SavedMenuOption->Skip) {
 | |
|                 TopOfScreen = TopOfScreen->ForwardLink;
 | |
|                 break;
 | |
|               } else {
 | |
|                 SkipValue = OldSkipValue;
 | |
|               }
 | |
|             }
 | |
|             //
 | |
|             // If the op-code at the top of the screen is more than one line, let's not skip it yet
 | |
|             // Let's set a skip flag to smoothly scroll the top of the screen.
 | |
|             //
 | |
|             if (SavedMenuOption->Skip > 1) {
 | |
|               if (SavedMenuOption == NextMenuOption) {
 | |
|                 SkipValue = 0;
 | |
|               } else {
 | |
|                 SkipValue++;
 | |
|               }
 | |
|             } else if (SavedMenuOption->Skip == 1) {
 | |
|               SkipValue   = 0;
 | |
|             } else {
 | |
|               SkipValue   = 0;
 | |
|               TopOfScreen = TopOfScreen->ForwardLink;
 | |
|             }
 | |
|           } while (SavedMenuOption->Skip == 0);
 | |
| 
 | |
|           Repaint       = TRUE;
 | |
|           OldSkipValue  = SkipValue;
 | |
|         } else if (!IsSelectable (NextMenuOption)) {
 | |
|           //
 | |
|           // Continue to go down until scroll to next page or the selectable option is found.
 | |
|           //
 | |
|           ScreenOperation = UiDown;
 | |
|           ControlFlag     = CfScreenOperation;
 | |
|         }
 | |
| 
 | |
|         MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
 | |
| 
 | |
|         UpdateStatusBar (Selection, INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);
 | |
| 
 | |
|       } else {
 | |
|         //
 | |
|         // Scroll to the first page.
 | |
|         //
 | |
|         if (TopOfScreen != gMenuOption.ForwardLink) {
 | |
|           TopOfScreen = gMenuOption.ForwardLink;
 | |
|           Repaint     = TRUE;
 | |
|           MenuOption  = NULL;
 | |
|         } else {
 | |
|           MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
 | |
|         }
 | |
|         NewLine       = TRUE;
 | |
|         NewPos        = gMenuOption.ForwardLink;
 | |
|         MoveToNextStatement (Selection, FALSE, &NewPos, BottomRow - TopRow);
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.
 | |
|       //
 | |
|       AdjustDateAndTimePosition (TRUE, &TopOfScreen);
 | |
|       AdjustDateAndTimePosition (TRUE, &NewPos);
 | |
|       break;
 | |
| 
 | |
|     case CfUiHotKey:
 | |
|       ControlFlag = CfCheckSelection;
 | |
|       
 | |
|       Status = EFI_SUCCESS;
 | |
|       //
 | |
|       // Discard changes. After it, no NV flag is showed.
 | |
|       //
 | |
|       if ((HotKey->Action & BROWSER_ACTION_DISCARD) == BROWSER_ACTION_DISCARD) {
 | |
|         Status = DiscardForm (Selection->FormSet, Selection->Form, gBrowserSettingScope);
 | |
|         if (!EFI_ERROR (Status)) {
 | |
|           Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
|           Selection->Statement = NULL;
 | |
|           gResetRequired = FALSE;
 | |
|         } else {
 | |
|           do {
 | |
|             CreateDialog (4, TRUE, 0, NULL, &Key, HotKey->HelpString, gDiscardFailed, gPressEnter, gEmptyString);
 | |
|           } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
 | |
|           //
 | |
|           // Still show current page.
 | |
|           //
 | |
|           Selection->Action = UI_ACTION_NONE;
 | |
|           Repaint = TRUE;
 | |
|           NewLine = TRUE;
 | |
|           break;
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // Reterieve default setting. After it. NV flag will be showed.
 | |
|       //
 | |
|       if ((HotKey->Action & BROWSER_ACTION_DEFAULT) == BROWSER_ACTION_DEFAULT) {
 | |
|         Status = ExtractDefault (Selection->FormSet, Selection->Form, HotKey->DefaultId, gBrowserSettingScope, NULL);
 | |
|         if (!EFI_ERROR (Status)) {
 | |
|           Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
|           Selection->Statement = NULL;
 | |
|           gResetRequired = TRUE;
 | |
|         } else {
 | |
|           do {
 | |
|             CreateDialog (4, TRUE, 0, NULL, &Key, HotKey->HelpString, gDefaultFailed, gPressEnter, gEmptyString);
 | |
|           } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
 | |
|           //
 | |
|           // Still show current page.
 | |
|           //
 | |
|           Selection->Action = UI_ACTION_NONE;
 | |
|           Repaint = TRUE;
 | |
|           NewLine = TRUE;
 | |
|           break;
 | |
|         }
 | |
|       }
 | |
| 
 | |
|       //
 | |
|       // Save changes. After it, no NV flag is showed.
 | |
|       //
 | |
|       if ((HotKey->Action & BROWSER_ACTION_SUBMIT) == BROWSER_ACTION_SUBMIT) {
 | |
|         Status = SubmitForm (Selection->FormSet, Selection->Form, gBrowserSettingScope);
 | |
|         if (!EFI_ERROR (Status)) {
 | |
|           ASSERT(MenuOption != NULL);
 | |
|           UpdateStatusBar (Selection, INPUT_ERROR, MenuOption->ThisTag->QuestionFlags, FALSE);
 | |
|           UpdateStatusBar (Selection, NV_UPDATE_REQUIRED, MenuOption->ThisTag->QuestionFlags, FALSE);
 | |
|         } else {
 | |
|           do {
 | |
|             CreateDialog (4, TRUE, 0, NULL, &Key, HotKey->HelpString, gSaveFailed, gPressEnter, gEmptyString);
 | |
|           } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
 | |
|           //
 | |
|           // Still show current page.
 | |
|           //
 | |
|           Selection->Action = UI_ACTION_NONE;
 | |
|           Repaint = TRUE;
 | |
|           NewLine = TRUE;
 | |
|           break;
 | |
|         }
 | |
|       }
 | |
|       
 | |
|       //
 | |
|       // Set Reset required Flag
 | |
|       //
 | |
|       if ((HotKey->Action & BROWSER_ACTION_RESET) == BROWSER_ACTION_RESET) {
 | |
|         gResetRequired = TRUE;
 | |
|       }
 | |
|       
 | |
|       //
 | |
|       // Exit Action
 | |
|       //
 | |
|       if ((HotKey->Action & BROWSER_ACTION_EXIT) == BROWSER_ACTION_EXIT) {
 | |
|         //
 | |
|         // Form Exit without saving, Similar to ESC Key.
 | |
|         // FormSet Exit without saving, Exit SendForm.
 | |
|         // System Exit without saving, CallExitHandler and Exit SendForm.
 | |
|         //
 | |
|         DiscardForm (Selection->FormSet, Selection->Form, gBrowserSettingScope);
 | |
|         if (gBrowserSettingScope == FormLevel) {
 | |
|           ControlFlag = CfUiReset;
 | |
|         } else if (gBrowserSettingScope == FormSetLevel) {
 | |
|           Selection->Action = UI_ACTION_EXIT;
 | |
|         } else if (gBrowserSettingScope == SystemLevel) {
 | |
|           if (ExitHandlerFunction != NULL) {
 | |
|             ExitHandlerFunction ();
 | |
|           }
 | |
|           Selection->Action = UI_ACTION_EXIT;
 | |
|         }
 | |
|         Selection->Statement = NULL;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfUiDefault:
 | |
|       ControlFlag = CfCheckSelection;
 | |
|       //
 | |
|       // Reset to default value for all forms in the whole system.
 | |
|       //
 | |
|       Status = ExtractDefault (Selection->FormSet, NULL, DefaultId, FormSetLevel, NULL);
 | |
| 
 | |
|       if (!EFI_ERROR (Status)) {
 | |
|         Selection->Action = UI_ACTION_REFRESH_FORM;
 | |
|         Selection->Statement = NULL;
 | |
|         gResetRequired = TRUE;
 | |
|       }
 | |
|       break;
 | |
| 
 | |
|     case CfUiNoOperation:
 | |
|       ControlFlag = CfCheckSelection;
 | |
|       break;
 | |
| 
 | |
|     case CfExit:
 | |
|       UiFreeRefreshList ();
 | |
| 
 | |
|       gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
 | |
|       gST->ConOut->SetCursorPosition (gST->ConOut, 0, Row + 4);
 | |
|       gST->ConOut->EnableCursor (gST->ConOut, TRUE);
 | |
|       gST->ConOut->OutputString (gST->ConOut, L"\n");
 | |
|       if (HelpString != NULL) {
 | |
|         FreePool (HelpString);
 | |
|       }
 | |
|       if (HelpHeaderString != NULL) {
 | |
|         FreePool (HelpHeaderString);
 | |
|       }
 | |
|       if (HelpBottomString != NULL) {
 | |
|         FreePool (HelpBottomString);
 | |
|       }
 | |
| 
 | |
|       return EFI_SUCCESS;
 | |
| 
 | |
|     default:
 | |
|       break;
 | |
|     }
 | |
|   }
 | |
| }
 |