3 Copyright (c) 2006, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 Implementation for UI.
41 Set Buffer to Value for Size bytes.
45 Buffer - Memory to set.
47 Size - Number of bytes to set
49 Value - Value of the set operation.
72 Initialize Menu option list.
80 InitializeListHead (&Menu
);
90 Initialize Menu option list.
98 InitializeListHead (&gMenuList
);
102 UiRemoveMenuListEntry (
103 IN UI_MENU_OPTION
*Selection
,
104 OUT UI_MENU_OPTION
**PreviousSelection
109 Remove Menu option list.
117 UI_MENU_LIST
*UiMenuList
;
119 *PreviousSelection
= AllocateZeroPool (sizeof (UI_MENU_OPTION
));
120 ASSERT (*PreviousSelection
!= NULL
);
122 if (!IsListEmpty (&gMenuList
)) {
123 UiMenuList
= CR (gMenuList
.ForwardLink
, UI_MENU_LIST
, MenuLink
, UI_MENU_LIST_SIGNATURE
);
124 (*PreviousSelection
)->IfrNumber
= UiMenuList
->Selection
.IfrNumber
;
125 (*PreviousSelection
)->FormId
= UiMenuList
->Selection
.FormId
;
126 (*PreviousSelection
)->Tags
= UiMenuList
->Selection
.Tags
;
127 (*PreviousSelection
)->ThisTag
= UiMenuList
->Selection
.ThisTag
;
128 (*PreviousSelection
)->Handle
= UiMenuList
->Selection
.Handle
;
129 gEntryNumber
= UiMenuList
->FormerEntryNumber
;
130 RemoveEntryList (&UiMenuList
->MenuLink
);
131 gBS
->FreePool (UiMenuList
);
142 Free Menu option linked list.
150 UI_MENU_LIST
*UiMenuList
;
152 while (!IsListEmpty (&gMenuList
)) {
153 UiMenuList
= CR (gMenuList
.ForwardLink
, UI_MENU_LIST
, MenuLink
, UI_MENU_LIST_SIGNATURE
);
154 RemoveEntryList (&UiMenuList
->MenuLink
);
155 gBS
->FreePool (UiMenuList
);
161 IN UI_MENU_OPTION
*Selection
166 Add one menu entry to the linked lst
174 UI_MENU_LIST
*UiMenuList
;
176 UiMenuList
= AllocateZeroPool (sizeof (UI_MENU_LIST
));
177 ASSERT (UiMenuList
!= NULL
);
179 UiMenuList
->Signature
= UI_MENU_LIST_SIGNATURE
;
180 CopyMem (&UiMenuList
->Selection
, Selection
, sizeof (UI_MENU_OPTION
));
182 InsertHeadList (&gMenuList
, &UiMenuList
->MenuLink
);
192 Free Menu option linked list.
200 UI_MENU_OPTION
*MenuOption
;
202 while (!IsListEmpty (&Menu
)) {
203 MenuOption
= CR (Menu
.ForwardLink
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
204 RemoveEntryList (&MenuOption
->Link
);
207 // We allocated space for this description when we did a GetToken, free it here
209 gBS
->FreePool (MenuOption
->Description
);
210 gBS
->FreePool (MenuOption
);
221 Refresh screen with current date and/or time based on screen context
229 CHAR16
*OptionString
;
230 MENU_REFRESH_ENTRY
*MenuRefreshEntry
;
236 if (gMenuRefreshHead
!= NULL
) {
238 MenuRefreshEntry
= gMenuRefreshHead
;
241 gST
->ConOut
->SetAttribute (gST
->ConOut
, MenuRefreshEntry
->CurrentAttribute
);
242 ProcessOptions (MenuRefreshEntry
->MenuOption
, FALSE
, MenuRefreshEntry
->FileFormTagsHead
, NULL
, &OptionString
);
244 if (OptionString
!= NULL
) {
246 // If leading spaces on OptionString - remove the spaces
248 for (Index
= 0; OptionString
[Index
] == L
' '; Index
++)
251 for (Loop
= 0; OptionString
[Index
] != CHAR_NULL
; Index
++) {
252 OptionString
[Loop
] = OptionString
[Index
];
256 OptionString
[Loop
] = CHAR_NULL
;
258 PrintStringAt (MenuRefreshEntry
->CurrentColumn
, MenuRefreshEntry
->CurrentRow
, OptionString
);
261 MenuRefreshEntry
= MenuRefreshEntry
->Next
;
263 } while (MenuRefreshEntry
!= NULL
);
266 if (OptionString
!= NULL
) {
267 gBS
->FreePool (OptionString
);
272 UiWaitForSingleEvent (
274 IN UINT64 Timeout OPTIONAL
279 Wait for a given event to fire, or for an optional timeout to expire.
282 Event - The event to wait for
284 Timeout - An optional timeout value in 100 ns units.
288 EFI_SUCCESS - Event fired before Timeout expired.
289 EFI_TIME_OUT - Timout expired before Event fired.
295 EFI_EVENT TimerEvent
;
296 EFI_EVENT WaitList
[2];
300 // Create a timer event
302 Status
= gBS
->CreateEvent (EFI_EVENT_TIMER
, 0, NULL
, NULL
, &TimerEvent
);
303 if (!EFI_ERROR (Status
)) {
305 // Set the timer event
314 // Wait for the original event or the timer
317 WaitList
[1] = TimerEvent
;
318 Status
= gBS
->WaitForEvent (2, WaitList
, &Index
);
319 gBS
->CloseEvent (TimerEvent
);
322 // If the timer expired, change the return to timed out
324 if (!EFI_ERROR (Status
) && Index
== 1) {
325 Status
= EFI_TIMEOUT
;
330 // Update screen every second
332 Timeout
= ONE_SECOND
;
335 Status
= gBS
->CreateEvent (EFI_EVENT_TIMER
, 0, NULL
, NULL
, &TimerEvent
);
338 // Set the timer event
347 // Wait for the original event or the timer
350 WaitList
[1] = TimerEvent
;
351 Status
= gBS
->WaitForEvent (2, WaitList
, &Index
);
354 // If the timer expired, update anything that needs a refresh and keep waiting
356 if (!EFI_ERROR (Status
) && Index
== 1) {
357 Status
= EFI_TIMEOUT
;
358 UpdateDateAndTime ();
361 gBS
->CloseEvent (TimerEvent
);
362 } while (Status
== EFI_TIMEOUT
);
371 IN EFI_HII_HANDLE Handle
,
379 Add one menu option by specified description and context.
382 String - String description for this option.
383 Context - Context data for entry.
389 UI_MENU_OPTION
*MenuOption
;
391 MenuOption
= AllocateZeroPool (sizeof (UI_MENU_OPTION
));
394 MenuOption
->Signature
= UI_MENU_OPTION_SIGNATURE
;
395 MenuOption
->Description
= String
;
396 MenuOption
->Handle
= Handle
;
397 MenuOption
->FormBinary
= FormBinary
;
398 MenuOption
->IfrNumber
= IfrNumber
;
399 MenuOption
->Skip
= 1;
400 MenuOption
->Tags
= Tags
;
401 MenuOption
->TagIndex
= 0;
402 MenuOption
->ThisTag
= &(MenuOption
->Tags
[MenuOption
->TagIndex
]);
403 MenuOption
->EntryNumber
= (UINT16
) IfrNumber
;
405 InsertTailList (&Menu
, &MenuOption
->Link
);
411 IN EFI_HII_HANDLE Handle
,
415 IN UINT16 MenuItemCount
420 Add one menu option by specified description and context.
423 String - String description for this option.
424 Context - Context data for entry.
430 UI_MENU_OPTION
*MenuOption
;
432 MenuOption
= AllocateZeroPool (sizeof (UI_MENU_OPTION
));
435 MenuOption
->Signature
= UI_MENU_OPTION_SIGNATURE
;
436 MenuOption
->Description
= String
;
437 MenuOption
->Handle
= Handle
;
438 MenuOption
->Skip
= Tags
[TagIndex
].NumberOfLines
;
439 MenuOption
->IfrNumber
= gActiveIfr
;
440 MenuOption
->Tags
= Tags
;
441 MenuOption
->TagIndex
= TagIndex
;
442 MenuOption
->ThisTag
= &(MenuOption
->Tags
[MenuOption
->TagIndex
]);
443 MenuOption
->Consistency
= Tags
[TagIndex
].Consistency
;
444 MenuOption
->FormId
= FormId
;
445 MenuOption
->GrayOut
= Tags
[TagIndex
].GrayOut
;
446 MenuOption
->EntryNumber
= MenuItemCount
;
448 InsertTailList (&Menu
, &MenuOption
->Link
);
453 IN UINTN NumberOfLines
,
455 IN UINTN MaximumStringSize
,
456 OUT CHAR16
*StringBuffer
,
457 OUT EFI_INPUT_KEY
*KeyValue
,
464 Routine used to abstract a generic dialog interface and return the selected key or string
467 NumberOfLines - The number of lines for the dialog box
468 HotKey - Defines whether a single character is parsed (TRUE) and returned in KeyValue
469 or a string is returned in StringBuffer. Two special characters are considered when entering a string, a SCAN_ESC and
470 an CHAR_CARRIAGE_RETURN. SCAN_ESC terminates string input and returns
471 MaximumStringSize - The maximum size in bytes of a typed in string (each character is a CHAR16) and the minimum string returned is two bytes
472 StringBuffer - The passed in pointer to the buffer which will hold the typed in string if HotKey is FALSE
473 KeyValue - The EFI_KEY value returned if HotKey is TRUE..
474 String - Pointer to the first string in the list
475 ... - A series of (quantity == NumberOfLines) text strings which will be used to construct the dialog box
478 EFI_SUCCESS - Displayed dialog and received user interaction
479 EFI_INVALID_PARAMETER - One of the parameters was invalid (e.g. (StringBuffer == NULL) && (HotKey == FALSE))
480 EFI_DEVICE_ERROR - User typed in an ESC character to exit the routine
489 CHAR16
*BufferedString
;
496 BOOLEAN SelectionComplete
;
498 UINTN CurrentAttribute
;
499 UINTN DimensionsWidth
;
500 UINTN DimensionsHeight
;
502 DimensionsWidth
= gScreenDimensions
.RightColumn
- gScreenDimensions
.LeftColumn
;
503 DimensionsHeight
= gScreenDimensions
.BottomRow
- gScreenDimensions
.TopRow
;
505 SelectionComplete
= FALSE
;
507 TempString
= AllocateZeroPool (MaximumStringSize
* 2);
508 BufferedString
= AllocateZeroPool (MaximumStringSize
* 2);
509 CurrentAttribute
= gST
->ConOut
->Mode
->Attribute
;
512 ASSERT (BufferedString
);
514 VA_START (Marker
, String
);
517 // Zero the outgoing buffer
519 ZeroMem (StringBuffer
, MaximumStringSize
);
522 if (KeyValue
== NULL
) {
523 return EFI_INVALID_PARAMETER
;
526 if (StringBuffer
== NULL
) {
527 return EFI_INVALID_PARAMETER
;
533 gST
->ConOut
->EnableCursor (gST
->ConOut
, FALSE
);
535 LargestString
= (GetStringWidth (String
) / 2);
537 if (LargestString
== L
' ') {
541 // Determine the largest string in the dialog box
542 // Notice we are starting with 1 since String is the first string
544 for (Count
= 1; Count
< NumberOfLines
; Count
++) {
545 StackString
= VA_ARG (Marker
, CHAR16
*);
547 if (StackString
[0] == L
' ') {
548 InputOffset
= Count
+ 1;
551 if ((GetStringWidth (StackString
) / 2) > LargestString
) {
553 // Size of the string visually and subtract the width by one for the null-terminator
555 LargestString
= (GetStringWidth (StackString
) / 2);
559 Start
= (DimensionsWidth
- LargestString
- 2) / 2 + gScreenDimensions
.LeftColumn
+ 1;
560 Top
= ((DimensionsHeight
- NumberOfLines
- 2) / 2) + gScreenDimensions
.TopRow
- 1;
567 CreateSharedPopUp (LargestString
, NumberOfLines
, &String
);
570 // Take the first key typed and report it back?
573 Status
= WaitForKeyStroke (&Key
);
574 CopyMem (KeyValue
, &Key
, sizeof (EFI_INPUT_KEY
));
578 Status
= WaitForKeyStroke (&Key
);
580 switch (Key
.UnicodeChar
) {
582 switch (Key
.ScanCode
) {
584 gBS
->FreePool (TempString
);
585 gBS
->FreePool (BufferedString
);
586 gST
->ConOut
->SetAttribute (gST
->ConOut
, CurrentAttribute
);
587 gST
->ConOut
->EnableCursor (gST
->ConOut
, TRUE
);
588 return EFI_DEVICE_ERROR
;
596 case CHAR_CARRIAGE_RETURN
:
597 SelectionComplete
= TRUE
;
598 gBS
->FreePool (TempString
);
599 gBS
->FreePool (BufferedString
);
600 gST
->ConOut
->SetAttribute (gST
->ConOut
, CurrentAttribute
);
601 gST
->ConOut
->EnableCursor (gST
->ConOut
, TRUE
);
606 if (StringBuffer
[0] != CHAR_NULL
) {
607 for (Index
= 0; StringBuffer
[Index
] != CHAR_NULL
; Index
++) {
608 TempString
[Index
] = StringBuffer
[Index
];
611 // Effectively truncate string by 1 character
613 TempString
[Index
- 1] = CHAR_NULL
;
614 StrCpy (StringBuffer
, TempString
);
619 // If it is the beginning of the string, don't worry about checking maximum limits
621 if ((StringBuffer
[0] == CHAR_NULL
) && (Key
.UnicodeChar
!= CHAR_BACKSPACE
)) {
622 StrnCpy (StringBuffer
, &Key
.UnicodeChar
, 1);
623 StrnCpy (TempString
, &Key
.UnicodeChar
, 1);
624 } else if ((GetStringWidth (StringBuffer
) < MaximumStringSize
) && (Key
.UnicodeChar
!= CHAR_BACKSPACE
)) {
625 KeyPad
[0] = Key
.UnicodeChar
;
626 KeyPad
[1] = CHAR_NULL
;
627 StrCat (StringBuffer
, KeyPad
);
628 StrCat (TempString
, KeyPad
);
631 // If the width of the input string is now larger than the screen, we nee to
632 // adjust the index to start printing portions of the string
634 SetUnicodeMem (BufferedString
, LargestString
, L
' ');
636 PrintStringAt (Start
+ 1, Top
+ InputOffset
, BufferedString
);
638 if ((GetStringWidth (StringBuffer
) / 2) > (DimensionsWidth
- 2)) {
639 Index
= (GetStringWidth (StringBuffer
) / 2) - DimensionsWidth
+ 2;
644 for (Count
= 0; Index
+ 1 < GetStringWidth (StringBuffer
) / 2; Index
++, Count
++) {
645 BufferedString
[Count
] = StringBuffer
[Index
];
648 PrintStringAt (Start
+ 1, Top
+ InputOffset
, BufferedString
);
651 } while (!SelectionComplete
);
654 gST
->ConOut
->SetAttribute (gST
->ConOut
, CurrentAttribute
);
655 gST
->ConOut
->EnableCursor (gST
->ConOut
, TRUE
);
661 IN UINTN RequestedWidth
,
662 IN UINTN NumberOfLines
,
663 IN CHAR16
**ArrayOfStrings
675 UINTN DimensionsWidth
;
676 UINTN DimensionsHeight
;
678 DimensionsWidth
= gScreenDimensions
.RightColumn
- gScreenDimensions
.LeftColumn
;
679 DimensionsHeight
= gScreenDimensions
.BottomRow
- gScreenDimensions
.TopRow
;
683 gST
->ConOut
->SetAttribute (gST
->ConOut
, POPUP_TEXT
| POPUP_BACKGROUND
);
685 if ((RequestedWidth
+ 2) > DimensionsWidth
) {
686 RequestedWidth
= DimensionsWidth
- 2;
689 // Subtract the PopUp width from total Columns, allow for one space extra on
690 // each end plus a border.
692 Start
= (DimensionsWidth
- RequestedWidth
- 2) / 2 + gScreenDimensions
.LeftColumn
+ 1;
693 End
= Start
+ RequestedWidth
+ 1;
695 Top
= ((DimensionsHeight
- NumberOfLines
- 2) / 2) + gScreenDimensions
.TopRow
- 1;
696 Bottom
= Top
+ NumberOfLines
+ 2;
698 Character
= (CHAR16
) BOXDRAW_DOWN_RIGHT
;
699 PrintCharAt (Start
, Top
, Character
);
700 Character
= (CHAR16
) BOXDRAW_HORIZONTAL
;
701 for (Index
= Start
; Index
+ 2 < End
; Index
++) {
702 PrintChar (Character
);
705 Character
= (CHAR16
) BOXDRAW_DOWN_LEFT
;
706 PrintChar (Character
);
707 Character
= (CHAR16
) BOXDRAW_VERTICAL
;
708 for (Index
= Top
; Index
+ 2 < Bottom
; Index
++) {
709 String
= ArrayOfStrings
[Count
];
713 // This will clear the background of the line - we never know who might have been
714 // here before us. This differs from the next clear in that it used the non-reverse
715 // video for normal printing.
717 if (GetStringWidth (String
) / 2 > 1) {
718 ClearLines (Start
, End
, Index
+ 1, Index
+ 1, POPUP_TEXT
| POPUP_BACKGROUND
);
721 // Passing in a space results in the assumption that this is where typing will occur
723 if (String
[0] == L
' ') {
724 ClearLines (Start
+ 1, End
- 1, Index
+ 1, Index
+ 1, POPUP_INVERSE_TEXT
| POPUP_INVERSE_BACKGROUND
);
727 // Passing in a NULL results in a blank space
729 if (String
[0] == CHAR_NULL
) {
730 ClearLines (Start
, End
, Index
+ 1, Index
+ 1, POPUP_TEXT
| POPUP_BACKGROUND
);
734 ((DimensionsWidth
- GetStringWidth (String
) / 2) / 2) + gScreenDimensions
.LeftColumn
+ 1,
738 gST
->ConOut
->SetAttribute (gST
->ConOut
, POPUP_TEXT
| POPUP_BACKGROUND
);
739 PrintCharAt (Start
, Index
+ 1, Character
);
740 PrintCharAt (End
- 1, Index
+ 1, Character
);
743 Character
= (CHAR16
) BOXDRAW_UP_RIGHT
;
744 PrintCharAt (Start
, Bottom
- 1, Character
);
745 Character
= (CHAR16
) BOXDRAW_HORIZONTAL
;
746 for (Index
= Start
; Index
+ 2 < End
; Index
++) {
747 PrintChar (Character
);
750 Character
= (CHAR16
) BOXDRAW_UP_LEFT
;
751 PrintChar (Character
);
756 IN UINTN RequestedWidth
,
757 IN UINTN NumberOfLines
,
758 IN CHAR16
*ArrayOfStrings
,
762 CreateSharedPopUp (RequestedWidth
, NumberOfLines
, &ArrayOfStrings
);
767 IN UINTN MessageType
,
773 STATIC BOOLEAN InputError
;
774 CHAR16
*NvUpdateMessage
;
775 CHAR16
*InputErrorMessage
;
777 NvUpdateMessage
= GetToken (STRING_TOKEN (NV_UPDATE_MESSAGE
), gHiiHandle
);
778 InputErrorMessage
= GetToken (STRING_TOKEN (INPUT_ERROR_MESSAGE
), gHiiHandle
);
780 switch (MessageType
) {
783 gST
->ConOut
->SetAttribute (gST
->ConOut
, ERROR_TEXT
);
785 gScreenDimensions
.LeftColumn
+ gPromptBlockWidth
,
786 gScreenDimensions
.BottomRow
- 1,
791 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT_HIGHLIGHT
);
792 for (Index
= 0; Index
< (GetStringWidth (InputErrorMessage
) - 2) / 2; Index
++) {
793 PrintAt (gScreenDimensions
.LeftColumn
+ gPromptBlockWidth
+ Index
, gScreenDimensions
.BottomRow
- 1, (CHAR16
*) L
" ");
800 case NV_UPDATE_REQUIRED
:
801 if (gClassOfVfr
!= EFI_FRONT_PAGE_SUBCLASS
) {
803 gST
->ConOut
->SetAttribute (gST
->ConOut
, INFO_TEXT
);
805 gScreenDimensions
.LeftColumn
+ gPromptBlockWidth
+ gOptionBlockWidth
,
806 gScreenDimensions
.BottomRow
- 1,
809 gResetRequired
= (BOOLEAN
) (gResetRequired
| ((Flags
& EFI_IFR_FLAG_RESET_REQUIRED
) == EFI_IFR_FLAG_RESET_REQUIRED
));
811 gNvUpdateRequired
= TRUE
;
813 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT_HIGHLIGHT
);
814 for (Index
= 0; Index
< (GetStringWidth (NvUpdateMessage
) - 2) / 2; Index
++) {
816 (gScreenDimensions
.LeftColumn
+ gPromptBlockWidth
+ gOptionBlockWidth
+ Index
),
817 gScreenDimensions
.BottomRow
- 1,
822 gNvUpdateRequired
= FALSE
;
827 case REFRESH_STATUS_BAR
:
829 UpdateStatusBar (INPUT_ERROR
, Flags
, TRUE
);
832 if (gNvUpdateRequired
) {
833 UpdateStatusBar (NV_UPDATE_REQUIRED
, Flags
, TRUE
);
841 gBS
->FreePool (InputErrorMessage
);
842 gBS
->FreePool (NvUpdateMessage
);
848 IN EFI_FILE_FORM_TAGS
*FileFormTagsHead
,
849 IN CHAR16
*FormattedString
,
850 IN CHAR16
*OptionString
856 Used to remove the allocated data instances
864 EFI_FILE_FORM_TAGS
*FileForm
;
865 EFI_FILE_FORM_TAGS
*PreviousFileForm
;
866 EFI_FORM_TAGS
*FormTags
;
867 EFI_FORM_TAGS
*PreviousFormTags
;
868 EFI_IFR_BINARY
*IfrBinary
;
869 EFI_IFR_BINARY
*PreviousIfrBinary
;
870 EFI_INCONSISTENCY_DATA
*Inconsistent
;
871 EFI_VARIABLE_DEFINITION
*VariableDefinition
;
872 EFI_VARIABLE_DEFINITION
*PreviousVariableDefinition
;
876 FileForm
= FileFormTagsHead
;
878 if (FormattedString
!= NULL
) {
879 gBS
->FreePool (FormattedString
);
882 if (OptionString
!= NULL
) {
883 gBS
->FreePool (OptionString
);
886 for (; FileForm
!= NULL
;) {
887 PreviousFileForm
= NULL
;
890 // Advance FileForm to the last entry
892 for (; FileForm
->NextFile
!= NULL
; FileForm
= FileForm
->NextFile
) {
893 PreviousFileForm
= FileForm
;
896 FormTags
= &FileForm
->FormTags
;
898 for (; FormTags
!= NULL
;) {
899 FormTags
= &FileForm
->FormTags
;
900 PreviousFormTags
= NULL
;
903 // Advance FormTags to the last entry
905 for (; FormTags
->Next
!= NULL
; FormTags
= FormTags
->Next
) {
906 PreviousFormTags
= FormTags
;
909 // Walk through each of the tags and free the IntList allocation
911 for (Index
= 0; FormTags
->Tags
[Index
].Operand
!= EFI_IFR_END_FORM_OP
; Index
++) {
913 // It is more than likely that the very last page will contain an end formset
915 if (FormTags
->Tags
[Index
].Operand
== EFI_IFR_END_FORM_SET_OP
) {
919 if (FormTags
->Tags
[Index
].IntList
!= NULL
) {
920 gBS
->FreePool (FormTags
->Tags
[Index
].IntList
);
924 if (PreviousFormTags
!= NULL
) {
925 gBS
->FreePool (FormTags
->Tags
);
926 FormTags
= PreviousFormTags
;
927 gBS
->FreePool (FormTags
->Next
);
928 FormTags
->Next
= NULL
;
930 gBS
->FreePool (FormTags
->Tags
);
935 // Last FileForm entry's Inconsistent database
937 Inconsistent
= FileForm
->InconsistentTags
;
940 // Advance Inconsistent to the last entry
942 for (; Inconsistent
->Next
!= NULL
; Inconsistent
= Inconsistent
->Next
)
945 for (; Inconsistent
!= NULL
;) {
947 // Preserve the Previous pointer
949 Buffer
= (VOID
*) Inconsistent
->Previous
;
952 // Free the current entry
954 gBS
->FreePool (Inconsistent
);
957 // Restore the Previous pointer
959 Inconsistent
= (EFI_INCONSISTENCY_DATA
*) Buffer
;
962 VariableDefinition
= FileForm
->VariableDefinitions
;
964 for (; VariableDefinition
!= NULL
;) {
965 VariableDefinition
= FileForm
->VariableDefinitions
;
966 PreviousVariableDefinition
= NULL
;
969 // Advance VariableDefinitions to the last entry
971 for (; VariableDefinition
->Next
!= NULL
; VariableDefinition
= VariableDefinition
->Next
) {
972 PreviousVariableDefinition
= VariableDefinition
;
975 gBS
->FreePool (VariableDefinition
->VariableName
);
976 gBS
->FreePool (VariableDefinition
->NvRamMap
);
977 gBS
->FreePool (VariableDefinition
->FakeNvRamMap
);
979 if (PreviousVariableDefinition
!= NULL
) {
980 VariableDefinition
= PreviousVariableDefinition
;
981 gBS
->FreePool (VariableDefinition
->Next
);
982 VariableDefinition
->Next
= NULL
;
984 gBS
->FreePool (VariableDefinition
);
985 VariableDefinition
= NULL
;
989 if (PreviousFileForm
!= NULL
) {
990 FileForm
= PreviousFileForm
;
991 gBS
->FreePool (FileForm
->NextFile
);
992 FileForm
->NextFile
= NULL
;
994 gBS
->FreePool (FileForm
);
999 IfrBinary
= gBinaryDataHead
;
1001 for (; IfrBinary
!= NULL
;) {
1002 IfrBinary
= gBinaryDataHead
;
1003 PreviousIfrBinary
= NULL
;
1006 // Advance IfrBinary to the last entry
1008 for (; IfrBinary
->Next
!= NULL
; IfrBinary
= IfrBinary
->Next
) {
1009 PreviousIfrBinary
= IfrBinary
;
1012 gBS
->FreePool (IfrBinary
->IfrPackage
);
1014 if (PreviousIfrBinary
!= NULL
) {
1015 IfrBinary
= PreviousIfrBinary
;
1016 gBS
->FreePool (IfrBinary
->Next
);
1017 IfrBinary
->Next
= NULL
;
1019 gBS
->FreePool (IfrBinary
);
1024 gBS
->FreePool (gPreviousValue
);
1025 gPreviousValue
= NULL
;
1028 // Free Browser Strings
1030 gBS
->FreePool (gPressEnter
);
1031 gBS
->FreePool (gConfirmError
);
1032 gBS
->FreePool (gConfirmPassword
);
1033 gBS
->FreePool (gPromptForNewPassword
);
1034 gBS
->FreePool (gPromptForPassword
);
1035 gBS
->FreePool (gToggleCheckBox
);
1036 gBS
->FreePool (gNumericInput
);
1037 gBS
->FreePool (gMakeSelection
);
1038 gBS
->FreePool (gMoveHighlight
);
1039 gBS
->FreePool (gEscapeString
);
1040 gBS
->FreePool (gEnterCommitString
);
1041 gBS
->FreePool (gEnterString
);
1042 gBS
->FreePool (gFunctionOneString
);
1043 gBS
->FreePool (gFunctionTwoString
);
1044 gBS
->FreePool (gFunctionNineString
);
1045 gBS
->FreePool (gFunctionTenString
);
1050 SelectionsAreValid (
1051 IN UI_MENU_OPTION
*MenuOption
,
1052 IN EFI_FILE_FORM_TAGS
*FileFormTagsHead
1056 Routine Description:
1057 Initiate late consistency checks against the current page.
1068 EFI_FILE_FORM_TAGS
*FileFormTags
;
1070 CHAR16 NullCharacter
;
1076 EFI_VARIABLE_DEFINITION
*VariableDefinition
;
1078 StringPtr
= (CHAR16
*) L
"\0";
1079 NullCharacter
= CHAR_NULL
;
1081 FileFormTags
= FileFormTagsHead
;
1083 for (Index
= 0; Index
< MenuOption
->IfrNumber
; Index
++) {
1084 FileFormTags
= FileFormTags
->NextFile
;
1087 for (Link
= Menu
.ForwardLink
; Link
!= &Menu
; Link
= Link
->ForwardLink
) {
1088 MenuOption
= CR (Link
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
1090 Tag
= MenuOption
->ThisTag
;
1092 ExtractRequestedNvMap (FileFormTags
, Tag
->VariableNumber
, &VariableDefinition
);
1093 NvRamMap
= (UINT16
*) &VariableDefinition
->NvRamMap
[Tag
->StorageStart
];
1096 // If the op-code has a late check, ensure consistency checks are now applied
1098 if (Tag
->Flags
& EFI_IFR_FLAG_LATE_CHECK
) {
1099 if (ValueIsNotValid (TRUE
, 0, Tag
, FileFormTags
, &PopUp
)) {
1100 if (PopUp
!= 0x0000) {
1101 StringPtr
= GetToken (PopUp
, MenuOption
->Handle
);
1103 CreatePopUp (GetStringWidth (StringPtr
) / 2, 3, &NullCharacter
, StringPtr
, &NullCharacter
);
1106 Status
= WaitForKeyStroke (&Key
);
1108 switch (Key
.UnicodeChar
) {
1110 case CHAR_CARRIAGE_RETURN
:
1112 // Since the value can be one byte long or two bytes long, do a CopyMem based on StorageWidth
1114 CopyMem (NvRamMap
, &Tag
->OldValue
, Tag
->StorageWidth
);
1115 gBS
->FreePool (StringPtr
);
1121 } while (Key
.UnicodeChar
!= CHAR_CARRIAGE_RETURN
);
1135 IN EFI_HII_HANDLE Handle
1139 Routine Description:
1140 Get the supported width for a particular op-code
1143 Tag - The Tag structure passed in.
1144 Handle - The handle in the HII database being used
1147 Returns the number of CHAR16 characters that is support.
1158 // See if the second text parameter is really NULL
1160 if ((Tag
->Operand
== EFI_IFR_TEXT_OP
) && (Tag
->TextTwo
!= 0)) {
1161 String
= GetToken (Tag
->TextTwo
, Handle
);
1162 Size
= StrLen (String
);
1163 gBS
->FreePool (String
);
1166 if ((Tag
->Operand
== EFI_IFR_SUBTITLE_OP
) ||
1167 (Tag
->Operand
== EFI_IFR_REF_OP
) ||
1168 (Tag
->Operand
== EFI_IFR_PASSWORD_OP
) ||
1169 (Tag
->Operand
== EFI_IFR_STRING_OP
) ||
1170 (Tag
->Operand
== EFI_IFR_INVENTORY_OP
) ||
1172 // Allow a wide display if text op-code and no secondary text op-code
1174 ((Tag
->Operand
== EFI_IFR_TEXT_OP
) && (Size
== 0x0000))
1176 return (UINT16
) (gPromptBlockWidth
+ gOptionBlockWidth
);
1178 return (UINT16
) gPromptBlockWidth
;
1184 IN CHAR16
*InputString
,
1185 IN UINT16 LineWidth
,
1186 IN OUT UINTN
*Index
,
1187 OUT CHAR16
**OutputString
1191 Routine Description:
1192 Will copy LineWidth amount of a string in the OutputString buffer and return the
1193 number of CHAR16 characters that were copied into the OutputString buffer.
1196 InputString - String description for this option.
1197 LineWidth - Width of the desired string to extract in CHAR16 characters
1198 Index - Where in InputString to start the copy process
1199 OutputString - Buffer to copy the string into
1202 Returns the number of CHAR16 characters that were copied into the OutputString buffer.
1207 static BOOLEAN Finished
;
1219 *OutputString
= AllocateZeroPool (((UINTN
) (LineWidth
+ 1) * 2));
1222 // Ensure we have got a valid buffer
1224 if (*OutputString
!= NULL
) {
1227 //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.
1228 //To avoid displaying this empty line in screen, just skip the two CHARs here.
1230 if ((InputString
[*Index
] == NARROW_CHAR
) && (InputString
[*Index
+ 1] == CHAR_CARRIAGE_RETURN
)) {
1231 *Index
= *Index
+ 2;
1235 // Fast-forward the string and see if there is a carriage-return in the string
1237 for (; (InputString
[*Index
+ Count2
] != CHAR_CARRIAGE_RETURN
) && (Count2
!= LineWidth
); Count2
++)
1241 // Copy the desired LineWidth of data to the output buffer.
1242 // Also make sure that we don't copy more than the string.
1243 // Also make sure that if there are linefeeds, we account for them.
1245 if ((StrSize (&InputString
[*Index
]) <= ((UINTN
) (LineWidth
+ 1) * 2)) &&
1246 (StrSize (&InputString
[*Index
]) <= ((UINTN
) (Count2
+ 1) * 2))
1249 // Convert to CHAR16 value and show that we are done with this operation
1251 LineWidth
= (UINT16
) ((StrSize (&InputString
[*Index
]) - 2) / 2);
1252 if (LineWidth
!= 0) {
1256 if (Count2
== LineWidth
) {
1258 // Rewind the string from the maximum size until we see a space to break the line
1260 for (; (InputString
[*Index
+ LineWidth
] != CHAR_SPACE
) && (LineWidth
!= 0); LineWidth
--)
1262 if (LineWidth
== 0) {
1270 CopyMem (*OutputString
, &InputString
[*Index
], LineWidth
* 2);
1273 // If currently pointing to a space, increment the index to the first non-space character
1276 (InputString
[*Index
+ LineWidth
] == CHAR_SPACE
) || (InputString
[*Index
+ LineWidth
] == CHAR_CARRIAGE_RETURN
);
1280 *Index
= (UINT16
) (*Index
+ LineWidth
);
1288 UpdateOptionSkipLines (
1289 IN EFI_IFR_DATA_ARRAY
*PageData
,
1290 IN UI_MENU_OPTION
*MenuOption
,
1291 IN EFI_FILE_FORM_TAGS
*FileFormTagsHead
,
1292 IN CHAR16
**OptionalString
,
1301 CHAR16
*OutputString
;
1302 CHAR16
*OptionString
;
1305 OptionString
= *OptionalString
;
1306 OutputString
= NULL
;
1308 ProcessOptions (MenuOption
, FALSE
, FileFormTagsHead
, PageData
, &OptionString
);
1310 if (OptionString
!= NULL
) {
1312 // If leading spaces on OptionString - remove the spaces
1314 for (Index
= 0; OptionString
[Index
] == L
' '; Index
++)
1317 for (Loop
= 0; OptionString
[Index
] != CHAR_NULL
; Index
++) {
1318 OptionString
[Loop
] = OptionString
[Index
];
1322 OptionString
[Loop
] = CHAR_NULL
;
1324 Width
= (UINT16
) gOptionBlockWidth
;
1328 for (Index
= 0; GetLineByWidth (OptionString
, Width
, &Index
, &OutputString
) != 0x0000;) {
1330 // If there is more string to process print on the next row and increment the Skip value
1332 if (StrLen (&OptionString
[Index
])) {
1333 if (SkipValue
== 0) {
1336 // Since the Number of lines for this menu entry may or may not be reflected accurately
1337 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do
1338 // some testing to ensure we are keeping this in-sync.
1340 // If the difference in rows is greater than or equal to the skip value, increase the skip value
1342 if ((Row
- OriginalRow
) >= MenuOption
->Skip
) {
1348 gBS
->FreePool (OutputString
);
1349 if (SkipValue
!= 0) {
1357 *OptionalString
= OptionString
;
1360 // Search table for UiDisplayMenu()
1362 SCAN_CODE_TO_SCREEN_OPERATION gScanCodeToOperation
[] = {
1364 { SCAN_DOWN
, UiDown
},
1365 { SCAN_PAGE_UP
, UiPageUp
},
1366 { SCAN_PAGE_DOWN
, UiPageDown
},
1367 { SCAN_ESC
, UiReset
},
1368 { SCAN_F2
, UiPrevious
},
1369 { SCAN_LEFT
, UiLeft
},
1370 { SCAN_RIGHT
, UiRight
},
1371 { SCAN_F9
, UiDefault
},
1372 { SCAN_F10
, UiSave
}
1375 SCREEN_OPERATION_T0_CONTROL_FLAG gScreenOperationToControlFlag
[] = {
1376 { UiNoOperation
, CfUiNoOperation
},
1377 { UiDefault
, CfUiDefault
},
1378 { UiSelect
, CfUiSelect
},
1380 { UiDown
, CfUiDown
},
1381 { UiLeft
, CfUiLeft
},
1382 { UiRight
, CfUiRight
},
1383 { UiReset
, CfUiReset
},
1384 { UiSave
, CfUiSave
},
1385 { UiPrevious
, CfUiPrevious
},
1386 { UiPageUp
, CfUiPageUp
},
1387 { UiPageDown
, CfUiPageDown
}
1393 IN EFI_FILE_FORM_TAGS
*FileFormTagsHead
,
1394 OUT EFI_IFR_DATA_ARRAY
*PageData
1398 Routine Description:
1399 Display menu and wait for user to select one menu option, then return it.
1400 If AutoBoot is enabled, then if user doesn't select any option,
1401 after period of time, it will automatically return the first menu option.
1404 SubMenu - Indicate is sub menu.
1405 FileFormTagsHead - A pointer to the EFI_FILE_FORM_TAGS structure.
1406 PageData - A pointer to the EFI_IFR_DATA_ARRAY.
1409 Return the pointer of the menu which selected,
1410 otherwise return NULL.
1425 UINTN DataAndTimeLineNumberPad
;
1427 INT16 OriginalTimeOut
;
1431 CHAR16
*OptionString
;
1432 CHAR16
*OutputString
;
1433 CHAR16
*FormattedString
;
1440 UI_MENU_LIST
*UiMenuList
;
1444 LIST_ENTRY
*TopOfScreen
;
1445 LIST_ENTRY
*SavedListEntry
;
1446 UI_MENU_OPTION
*Selection
;
1447 UI_MENU_OPTION
*MenuOption
;
1448 UI_MENU_OPTION
*NextMenuOption
;
1449 UI_MENU_OPTION
*SavedMenuOption
;
1450 UI_MENU_OPTION
*PreviousMenuOption
;
1451 EFI_IFR_BINARY
*IfrBinary
;
1452 UI_CONTROL_FLAG ControlFlag
;
1453 EFI_SCREEN_DESCRIPTOR LocalScreen
;
1454 EFI_FILE_FORM_TAGS
*FileFormTags
;
1455 MENU_REFRESH_ENTRY
*MenuRefreshEntry
;
1456 MENU_REFRESH_ENTRY
*OldMenuRefreshEntry
;
1457 UI_SCREEN_OPERATION ScreenOperation
;
1458 EFI_VARIABLE_DEFINITION
*VariableDefinition
;
1459 EFI_FORM_CALLBACK_PROTOCOL
*FormCallback
;
1460 EFI_HII_VARIABLE_PACK_LIST
*NvMapListHead
;
1461 EFI_HII_VARIABLE_PACK_LIST
*NvMapListNode
;
1465 CopyMem (&LocalScreen
, &gScreenDimensions
, sizeof (EFI_SCREEN_DESCRIPTOR
));
1467 VariableDefinition
= NULL
;
1468 Status
= EFI_SUCCESS
;
1469 FormattedString
= NULL
;
1470 OptionString
= NULL
;
1471 ScreenOperation
= UiNoOperation
;
1473 FormCallback
= NULL
;
1474 FileFormTags
= NULL
;
1475 OutputString
= NULL
;
1480 MenuRefreshEntry
= gMenuRefreshHead
;
1481 OldMenuRefreshEntry
= gMenuRefreshHead
;
1482 NextMenuOption
= NULL
;
1483 PreviousMenuOption
= NULL
;
1484 SavedMenuOption
= NULL
;
1489 ZeroMem (&Key
, sizeof (EFI_INPUT_KEY
));
1491 if (gClassOfVfr
== EFI_FRONT_PAGE_SUBCLASS
) {
1492 TopRow
= LocalScreen
.TopRow
+ FRONT_PAGE_HEADER_HEIGHT
+ SCROLL_ARROW_HEIGHT
;
1493 Row
= LocalScreen
.TopRow
+ FRONT_PAGE_HEADER_HEIGHT
+ SCROLL_ARROW_HEIGHT
;
1495 TopRow
= LocalScreen
.TopRow
+ NONE_FRONT_PAGE_HEADER_HEIGHT
+ SCROLL_ARROW_HEIGHT
;
1496 Row
= LocalScreen
.TopRow
+ NONE_FRONT_PAGE_HEADER_HEIGHT
+ SCROLL_ARROW_HEIGHT
;
1500 Col
= LocalScreen
.LeftColumn
;
1502 Col
= LocalScreen
.LeftColumn
+ LEFT_SKIPPED_COLUMNS
;
1505 BottomRow
= LocalScreen
.BottomRow
- STATUS_BAR_HEIGHT
- FOOTER_HEIGHT
- SCROLL_ARROW_HEIGHT
- 1;
1507 TopOfScreen
= Menu
.ForwardLink
;
1512 // Get user's selection
1515 NewPos
= Menu
.ForwardLink
;
1516 gST
->ConOut
->EnableCursor (gST
->ConOut
, FALSE
);
1518 UpdateStatusBar (REFRESH_STATUS_BAR
, (UINT8
) 0, TRUE
);
1520 ControlFlag
= CfInitialization
;
1523 switch (ControlFlag
) {
1524 case CfInitialization
:
1525 ControlFlag
= CfCheckSelection
;
1526 if (gExitRequired
) {
1527 ScreenOperation
= UiReset
;
1528 ControlFlag
= CfScreenOperation
;
1529 } else if (gSaveRequired
) {
1530 ScreenOperation
= UiSave
;
1531 ControlFlag
= CfScreenOperation
;
1532 } else if (IsListEmpty (&Menu
)) {
1533 ControlFlag
= CfReadKey
;
1537 case CfCheckSelection
:
1538 if (Selection
!= NULL
) {
1539 ControlFlag
= CfExit
;
1541 ControlFlag
= CfRepaint
;
1544 FileFormTags
= FileFormTagsHead
;
1548 ControlFlag
= CfRefreshHighLight
;
1554 SavedMenuOption
= MenuOption
;
1563 LocalScreen
.LeftColumn
,
1564 LocalScreen
.RightColumn
,
1565 TopRow
- SCROLL_ARROW_HEIGHT
,
1566 BottomRow
+ SCROLL_ARROW_HEIGHT
,
1567 FIELD_TEXT
| FIELD_BACKGROUND
1570 while (gMenuRefreshHead
!= NULL
) {
1571 OldMenuRefreshEntry
= gMenuRefreshHead
->Next
;
1573 gBS
->FreePool (gMenuRefreshHead
);
1575 gMenuRefreshHead
= OldMenuRefreshEntry
;
1578 for (Link
= TopOfScreen
; Link
!= &Menu
; Link
= Link
->ForwardLink
) {
1579 MenuOption
= CR (Link
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
1580 MenuOption
->Row
= Row
;
1582 MenuOption
->Col
= Col
;
1583 MenuOption
->OptCol
= gPromptBlockWidth
+ 1 + LocalScreen
.LeftColumn
;
1586 if (MenuOption
->ThisTag
->GrayOut
) {
1587 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT_GRAYED
| FIELD_BACKGROUND
);
1589 if (MenuOption
->ThisTag
->Operand
== EFI_IFR_SUBTITLE_OP
) {
1590 gST
->ConOut
->SetAttribute (gST
->ConOut
, SUBTITLE_TEXT
| FIELD_BACKGROUND
);
1594 Width
= GetWidth (MenuOption
->ThisTag
, MenuOption
->Handle
);
1598 for (Index
= 0; GetLineByWidth (MenuOption
->Description
, Width
, &Index
, &OutputString
) != 0x0000;) {
1599 if ((Temp
== 0) && (Row
<= BottomRow
)) {
1600 PrintStringAt (Col
, Row
, OutputString
);
1603 // If there is more string to process print on the next row and increment the Skip value
1605 if (StrLen (&MenuOption
->Description
[Index
])) {
1611 gBS
->FreePool (OutputString
);
1621 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT
| FIELD_BACKGROUND
);
1622 ProcessOptions (MenuOption
, FALSE
, FileFormTagsHead
, PageData
, &OptionString
);
1624 if (OptionString
!= NULL
) {
1626 // If leading spaces on OptionString - remove the spaces
1628 for (Index
= 0; OptionString
[Index
] == L
' '; Index
++) {
1629 MenuOption
->OptCol
++;
1632 for (Count
= 0; OptionString
[Index
] != CHAR_NULL
; Index
++) {
1633 OptionString
[Count
] = OptionString
[Index
];
1637 OptionString
[Count
] = CHAR_NULL
;
1640 // If this is a date or time op-code and is used to reflect an RTC, register the op-code
1642 if ((MenuOption
->ThisTag
->Operand
== EFI_IFR_DATE_OP
||
1643 MenuOption
->ThisTag
->Operand
== EFI_IFR_TIME_OP
) &&
1644 (MenuOption
->ThisTag
->StorageStart
>= FileFormTags
->FormTags
.Tags
[0].NvDataSize
)) {
1646 if (gMenuRefreshHead
== NULL
) {
1647 MenuRefreshEntry
= AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY
));
1648 ASSERT (MenuRefreshEntry
!= NULL
);
1649 MenuRefreshEntry
->MenuOption
= MenuOption
;
1650 MenuRefreshEntry
->FileFormTagsHead
= FileFormTagsHead
;
1651 MenuRefreshEntry
->CurrentColumn
= MenuOption
->OptCol
;
1652 MenuRefreshEntry
->CurrentRow
= MenuOption
->Row
;
1653 MenuRefreshEntry
->CurrentAttribute
= FIELD_TEXT
| FIELD_BACKGROUND
;
1654 gMenuRefreshHead
= MenuRefreshEntry
;
1657 // Advance to the last entry
1659 for (MenuRefreshEntry
= gMenuRefreshHead
;
1660 MenuRefreshEntry
->Next
!= NULL
;
1661 MenuRefreshEntry
= MenuRefreshEntry
->Next
1664 MenuRefreshEntry
->Next
= AllocateZeroPool (sizeof (MENU_REFRESH_ENTRY
));
1665 ASSERT (MenuRefreshEntry
->Next
!= NULL
);
1666 MenuRefreshEntry
= MenuRefreshEntry
->Next
;
1667 MenuRefreshEntry
->MenuOption
= MenuOption
;
1668 MenuRefreshEntry
->FileFormTagsHead
= FileFormTagsHead
;
1669 MenuRefreshEntry
->CurrentColumn
= MenuOption
->OptCol
;
1670 MenuRefreshEntry
->CurrentRow
= MenuOption
->Row
;
1671 MenuRefreshEntry
->CurrentAttribute
= FIELD_TEXT
| FIELD_BACKGROUND
;
1675 Width
= (UINT16
) gOptionBlockWidth
;
1679 for (Index
= 0; GetLineByWidth (OptionString
, Width
, &Index
, &OutputString
) != 0x0000;) {
1680 if ((Temp2
== 0) && (Row
<= BottomRow
)) {
1681 PrintStringAt (MenuOption
->OptCol
, Row
, OutputString
);
1684 // If there is more string to process print on the next row and increment the Skip value
1686 if (StrLen (&OptionString
[Index
])) {
1690 // Since the Number of lines for this menu entry may or may not be reflected accurately
1691 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do
1692 // some testing to ensure we are keeping this in-sync.
1694 // If the difference in rows is greater than or equal to the skip value, increase the skip value
1696 if ((Row
- OriginalRow
) >= MenuOption
->Skip
) {
1702 gBS
->FreePool (OutputString
);
1712 // If this is a text op with secondary text information
1714 if ((MenuOption
->ThisTag
->Operand
== EFI_IFR_TEXT_OP
) && (MenuOption
->ThisTag
->TextTwo
!= 0)) {
1715 StringPtr
= GetToken (MenuOption
->ThisTag
->TextTwo
, MenuOption
->Handle
);
1717 Width
= (UINT16
) gOptionBlockWidth
;
1721 for (Index
= 0; GetLineByWidth (StringPtr
, Width
, &Index
, &OutputString
) != 0x0000;) {
1722 if ((Temp
== 0) && (Row
<= BottomRow
)) {
1723 PrintStringAt (MenuOption
->OptCol
, Row
, OutputString
);
1726 // If there is more string to process print on the next row and increment the Skip value
1728 if (StrLen (&StringPtr
[Index
])) {
1732 // Since the Number of lines for this menu entry may or may not be reflected accurately
1733 // since the prompt might be 1 lines and option might be many, and vice versa, we need to do
1734 // some testing to ensure we are keeping this in-sync.
1736 // If the difference in rows is greater than or equal to the skip value, increase the skip value
1738 if ((Row
- OriginalRow
) >= MenuOption
->Skip
) {
1744 gBS
->FreePool (OutputString
);
1751 gBS
->FreePool (StringPtr
);
1755 // For now, assume left-justified 72 width max setup entries
1757 PrintStringAt (Col
, Row
, MenuOption
->Description
);
1760 // Tracker 6210 - need to handle the bottom of the display
1762 if (MenuOption
->Skip
> 1) {
1763 Row
+= MenuOption
->Skip
- SkipValue
;
1766 Row
+= MenuOption
->Skip
;
1769 if (Row
> BottomRow
) {
1770 if (!ValueIsScroll (FALSE
, Link
)) {
1774 Row
= BottomRow
+ 1;
1779 if (!ValueIsScroll (TRUE
, TopOfScreen
)) {
1784 gST
->ConOut
->SetAttribute (gST
->ConOut
, ARROW_TEXT
| ARROW_BACKGROUND
);
1786 LocalScreen
.LeftColumn
+ gPromptBlockWidth
+ gOptionBlockWidth
+ 1,
1787 TopRow
- SCROLL_ARROW_HEIGHT
,
1791 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT
| FIELD_BACKGROUND
);
1795 gST
->ConOut
->SetAttribute (gST
->ConOut
, ARROW_TEXT
| ARROW_BACKGROUND
);
1797 LocalScreen
.LeftColumn
+ gPromptBlockWidth
+ gOptionBlockWidth
+ 1,
1798 BottomRow
+ SCROLL_ARROW_HEIGHT
,
1802 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT
| FIELD_BACKGROUND
);
1805 if (SavedMenuOption
!= NULL
) {
1806 MenuOption
= SavedMenuOption
;
1811 case CfRefreshHighLight
:
1812 ControlFlag
= CfUpdateHelpString
;
1814 // Repaint flag is normally reset when finish processing CfUpdateHelpString. Temporarily
1815 // reset Repaint flag because we may break halfway and skip CfUpdateHelpString processing.
1817 SavedValue
= Repaint
;
1820 if (NewPos
!= NULL
) {
1821 gST
->ConOut
->SetCursorPosition (gST
->ConOut
, MenuOption
->Col
, MenuOption
->Row
);
1823 if (gLastOpr
&& (gEntryNumber
!= -1)) {
1824 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
1825 if (gEntryNumber
!= MenuOption
->EntryNumber
) {
1826 ScreenOperation
= UiDown
;
1827 ControlFlag
= CfScreenOperation
;
1834 ProcessOptions (MenuOption
, FALSE
, FileFormTagsHead
, PageData
, &OptionString
);
1835 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT
| FIELD_BACKGROUND
);
1836 if (OptionString
!= NULL
) {
1838 // If leading spaces on OptionString - remove the spaces
1840 for (Index
= 0; OptionString
[Index
] == L
' '; Index
++)
1843 for (Count
= 0; OptionString
[Index
] != CHAR_NULL
; Index
++) {
1844 OptionString
[Count
] = OptionString
[Index
];
1848 OptionString
[Count
] = CHAR_NULL
;
1850 Width
= (UINT16
) gOptionBlockWidth
;
1852 OriginalRow
= MenuOption
->Row
;
1854 for (Index
= 0; GetLineByWidth (OptionString
, Width
, &Index
, &OutputString
) != 0x0000;) {
1855 if (MenuOption
->Row
>= TopRow
&& MenuOption
->Row
<= BottomRow
) {
1856 PrintStringAt (MenuOption
->OptCol
, MenuOption
->Row
, OutputString
);
1859 // If there is more string to process print on the next row and increment the Skip value
1861 if (StrLen (&OptionString
[Index
])) {
1865 gBS
->FreePool (OutputString
);
1868 MenuOption
->Row
= OriginalRow
;
1871 if (MenuOption
->ThisTag
->GrayOut
) {
1872 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT_GRAYED
| FIELD_BACKGROUND
);
1874 if (MenuOption
->ThisTag
->Operand
== EFI_IFR_SUBTITLE_OP
) {
1875 gST
->ConOut
->SetAttribute (gST
->ConOut
, SUBTITLE_TEXT
| FIELD_BACKGROUND
);
1879 OriginalRow
= MenuOption
->Row
;
1880 Width
= GetWidth (MenuOption
->ThisTag
, MenuOption
->Handle
);
1882 for (Index
= 0; GetLineByWidth (MenuOption
->Description
, Width
, &Index
, &OutputString
) != 0x0000;) {
1883 if (MenuOption
->Row
>= TopRow
&& MenuOption
->Row
<= BottomRow
) {
1884 PrintStringAt (Col
, MenuOption
->Row
, OutputString
);
1887 // If there is more string to process print on the next row and increment the Skip value
1889 if (StrLen (&MenuOption
->Description
[Index
])) {
1893 gBS
->FreePool (OutputString
);
1896 MenuOption
->Row
= OriginalRow
;
1897 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT
| FIELD_BACKGROUND
);
1901 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT
| FIELD_BACKGROUND
);
1902 gST
->ConOut
->OutputString (gST
->ConOut
, MenuOption
->Description
);
1905 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
1907 if ((gPriorMenuEntry
!= 0) && (MenuOption
->EntryNumber
!= gPriorMenuEntry
) && (NewPos
->ForwardLink
!= &Menu
)) {
1908 ScreenOperation
= UiDown
;
1909 ControlFlag
= CfScreenOperation
;
1912 gPriorMenuEntry
= 0;
1915 // This is only possible if we entered this page and the first menu option is
1916 // a "non-menu" item. In that case, force it UiDown
1918 if (MenuOption
->ThisTag
->Operand
== EFI_IFR_SUBTITLE_OP
|| MenuOption
->ThisTag
->GrayOut
) {
1920 // If we previously hit an UP command and we are still sitting on a text operation
1921 // we must continue going up
1923 if (ScreenOperation
== UiUp
) {
1924 ControlFlag
= CfScreenOperation
;
1927 ScreenOperation
= UiDown
;
1928 ControlFlag
= CfScreenOperation
;
1933 // Set reverse attribute
1935 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT_HIGHLIGHT
| FIELD_BACKGROUND_HIGHLIGHT
);
1936 gST
->ConOut
->SetCursorPosition (gST
->ConOut
, MenuOption
->Col
, MenuOption
->Row
);
1939 // Assuming that we have a refresh linked-list created, lets annotate the
1940 // appropriate entry that we are highlighting with its new attribute. Just prior to this
1941 // lets reset all of the entries' attribute so we do not get multiple highlights in he refresh
1943 if (gMenuRefreshHead
!= NULL
) {
1944 for (MenuRefreshEntry
= gMenuRefreshHead
; MenuRefreshEntry
!= NULL
; MenuRefreshEntry
= MenuRefreshEntry
->Next
) {
1945 MenuRefreshEntry
->CurrentAttribute
= FIELD_TEXT
| FIELD_BACKGROUND
;
1946 if (MenuRefreshEntry
->MenuOption
== MenuOption
) {
1947 MenuRefreshEntry
->CurrentAttribute
= FIELD_TEXT_HIGHLIGHT
| FIELD_BACKGROUND_HIGHLIGHT
;
1953 ProcessOptions (MenuOption
, FALSE
, FileFormTagsHead
, PageData
, &OptionString
);
1954 if (OptionString
!= NULL
) {
1956 // If leading spaces on OptionString - remove the spaces
1958 for (Index
= 0; OptionString
[Index
] == L
' '; Index
++)
1961 for (Count
= 0; OptionString
[Index
] != CHAR_NULL
; Index
++) {
1962 OptionString
[Count
] = OptionString
[Index
];
1966 OptionString
[Count
] = CHAR_NULL
;
1968 Width
= (UINT16
) gOptionBlockWidth
;
1970 OriginalRow
= MenuOption
->Row
;
1972 for (Index
= 0; GetLineByWidth (OptionString
, Width
, &Index
, &OutputString
) != 0x0000;) {
1973 if (MenuOption
->Row
>= TopRow
&& MenuOption
->Row
<= BottomRow
) {
1974 PrintStringAt (MenuOption
->OptCol
, MenuOption
->Row
, OutputString
);
1977 // If there is more string to process print on the next row and increment the Skip value
1979 if (StrLen (&OptionString
[Index
])) {
1983 gBS
->FreePool (OutputString
);
1986 MenuOption
->Row
= OriginalRow
;
1989 OriginalRow
= MenuOption
->Row
;
1991 Width
= GetWidth (MenuOption
->ThisTag
, MenuOption
->Handle
);
1993 for (Index
= 0; GetLineByWidth (MenuOption
->Description
, Width
, &Index
, &OutputString
) != 0x0000;) {
1994 if (MenuOption
->Row
>= TopRow
&& MenuOption
->Row
<= BottomRow
) {
1995 PrintStringAt (Col
, MenuOption
->Row
, OutputString
);
1998 // If there is more string to process print on the next row and increment the Skip value
2000 if (StrLen (&MenuOption
->Description
[Index
])) {
2004 gBS
->FreePool (OutputString
);
2007 MenuOption
->Row
= OriginalRow
;
2012 if (((NewPos
->ForwardLink
!= &Menu
) && (ScreenOperation
== UiDown
)) ||
2013 ((NewPos
->BackLink
!= &Menu
) && (ScreenOperation
== UiUp
)) ||
2014 (ScreenOperation
== UiNoOperation
)
2016 UpdateKeyHelp (MenuOption
, FALSE
);
2019 gST
->ConOut
->OutputString (gST
->ConOut
, MenuOption
->Description
);
2022 // Clear reverse attribute
2024 gST
->ConOut
->SetAttribute (gST
->ConOut
, FIELD_TEXT
| FIELD_BACKGROUND
);
2027 // Repaint flag will be used when process CfUpdateHelpString, so restore its value
2028 // if we didn't break halfway when process CfRefreshHighLight.
2030 Repaint
= SavedValue
;
2033 case CfUpdateHelpString
:
2034 ControlFlag
= CfPrepareToReadKey
;
2037 (Repaint
|| NewLine
||
2038 (MenuOption
->ThisTag
->Operand
== EFI_IFR_DATE_OP
) ||
2039 (MenuOption
->ThisTag
->Operand
== EFI_IFR_TIME_OP
)) &&
2040 !(gClassOfVfr
== EFI_GENERAL_APPLICATION_SUBCLASS
)) {
2042 // Don't print anything if it is a NULL help token
2044 if (MenuOption
->ThisTag
->Help
== 0x00000000) {
2045 StringPtr
= (CHAR16
*) L
"\0";
2047 StringPtr
= GetToken (MenuOption
->ThisTag
->Help
, MenuOption
->Handle
);
2050 ProcessHelpString (StringPtr
, &FormattedString
, BottomRow
- TopRow
);
2052 gST
->ConOut
->SetAttribute (gST
->ConOut
, HELP_TEXT
| FIELD_BACKGROUND
);
2054 for (Index
= 0; Index
< BottomRow
- TopRow
; Index
++) {
2056 // Pad String with spaces to simulate a clearing of the previous line
2058 for (; GetStringWidth (&FormattedString
[Index
* gHelpBlockWidth
]) / 2 < gHelpBlockWidth
;) {
2059 StrCat (&FormattedString
[Index
* gHelpBlockWidth
], (CHAR16
*) L
" ");
2063 LocalScreen
.RightColumn
- gHelpBlockWidth
,
2065 &FormattedString
[Index
* gHelpBlockWidth
]
2070 // Reset this flag every time we finish using it.
2076 case CfPrepareToReadKey
:
2077 ControlFlag
= CfReadKey
;
2079 for (Index
= 0; Index
< MenuOption
->IfrNumber
; Index
++) {
2080 FileFormTags
= FileFormTags
->NextFile
;
2083 ScreenOperation
= UiNoOperation
;
2085 Status
= gBS
->HandleProtocol (
2086 (VOID
*) (UINTN
) FileFormTags
->FormTags
.Tags
[0].CallbackHandle
,
2087 &gEfiFormCallbackProtocolGuid
,
2088 (VOID
**) &FormCallback
2094 ControlFlag
= CfScreenOperation
;
2096 OriginalTimeOut
= FrontPageTimeOutValue
;
2098 if (FrontPageTimeOutValue
>= 0 && (gClassOfVfr
== EFI_FRONT_PAGE_SUBCLASS
) && FrontPageTimeOutValue
!= (INT16
) -1) {
2100 // Remember that if set to 0, must immediately boot an option
2102 if (FrontPageTimeOutValue
== 0) {
2103 FrontPageTimeOutValue
= 0xFFFF;
2104 Status
= gST
->ConIn
->ReadKeyStroke (gST
->ConIn
, &Key
);
2105 if (EFI_ERROR (Status
)) {
2106 Status
= EFI_TIMEOUT
;
2111 Status
= UiWaitForSingleEvent (gST
->ConIn
->WaitForKey
, ONE_SECOND
);
2112 if (Status
== EFI_TIMEOUT
) {
2113 EFI_IFR_DATA_ENTRY
*DataEntry
;
2115 DataEntry
= (EFI_IFR_DATA_ENTRY
*) (PageData
+ 1);
2117 PageData
->EntryCount
= 1;
2118 Count
= (UINT32
) ((OriginalTimeOut
- FrontPageTimeOutValue
) * 100 / OriginalTimeOut
);
2119 CopyMem (&DataEntry
->Data
, &Count
, sizeof (UINT32
));
2121 if ((FormCallback
!= NULL
) && (FormCallback
->Callback
!= NULL
)) {
2122 FormCallback
->Callback (
2125 (EFI_IFR_DATA_ARRAY
*) PageData
,
2130 // Count down 1 second
2132 FrontPageTimeOutValue
--;
2135 ASSERT (!EFI_ERROR (Status
));
2136 PageData
->EntryCount
= 0;
2137 if ((FormCallback
!= NULL
) && (FormCallback
->Callback
!= NULL
)) {
2138 FormCallback
->Callback (
2141 (EFI_IFR_DATA_ARRAY
*) PageData
,
2146 FrontPageTimeOutValue
= 0xFFFF;
2150 // Wait for user's selection, no auto boot
2152 Status
= UiWaitForSingleEvent (gST
->ConIn
->WaitForKey
, 0);
2154 } while (Status
== EFI_TIMEOUT
);
2158 gST
->ConOut
->SetAttribute (gST
->ConOut
, EFI_TEXT_ATTR (EFI_LIGHTGRAY
, EFI_BLACK
));
2159 DisableQuietBoot ();
2162 if (Status
== EFI_TIMEOUT
) {
2163 Key
.UnicodeChar
= CHAR_CARRIAGE_RETURN
;
2165 Status
= gST
->ConIn
->ReadKeyStroke (gST
->ConIn
, &Key
);
2167 // if we encounter error, continue to read another key in.
2169 if (EFI_ERROR (Status
)) {
2170 ControlFlag
= CfReadKey
;
2175 switch (Key
.UnicodeChar
) {
2176 case CHAR_CARRIAGE_RETURN
:
2177 Selection
= MenuOption
;
2178 ScreenOperation
= UiSelect
;
2183 // We will push the adjustment of these numeric values directly to the input handler
2187 if ((MenuOption
->ThisTag
->Operand
== EFI_IFR_DATE_OP
) || (MenuOption
->ThisTag
->Operand
== EFI_IFR_TIME_OP
)) {
2189 if (Key
.UnicodeChar
== '+') {
2190 gDirection
= SCAN_RIGHT
;
2192 gDirection
= SCAN_LEFT
;
2195 Status
= ProcessOptions (MenuOption
, TRUE
, FileFormTagsHead
, NULL
, &OptionString
);
2200 ScreenOperation
= UiUp
;
2205 ScreenOperation
= UiDown
;
2209 if (gClassOfVfr
!= EFI_FRONT_PAGE_SUBCLASS
) {
2211 if (MenuOption
->ThisTag
->Operand
== EFI_IFR_CHECKBOX_OP
&& !(MenuOption
->ThisTag
->GrayOut
)) {
2212 gST
->ConOut
->SetCursorPosition (gST
->ConOut
, MenuOption
->Col
, MenuOption
->Row
);
2213 gST
->ConOut
->OutputString (gST
->ConOut
, MenuOption
->Description
);
2214 Selection
= MenuOption
;
2215 ScreenOperation
= UiSelect
;
2222 if (((Key
.ScanCode
== SCAN_F1
) && ((gFunctionKeySetting
& FUNCTION_ONE
) != FUNCTION_ONE
)) ||
2223 ((Key
.ScanCode
== SCAN_F2
) && ((gFunctionKeySetting
& FUNCTION_TWO
) != FUNCTION_TWO
)) ||
2224 ((Key
.ScanCode
== SCAN_F9
) && ((gFunctionKeySetting
& FUNCTION_NINE
) != FUNCTION_NINE
)) ||
2225 ((Key
.ScanCode
== SCAN_F10
) && ((gFunctionKeySetting
& FUNCTION_TEN
) != FUNCTION_TEN
))
2228 // If the function key has been disabled, just ignore the key.
2231 for (Index
= 0; Index
< sizeof (gScanCodeToOperation
) / sizeof (gScanCodeToOperation
[0]); Index
++) {
2232 if (Key
.ScanCode
== gScanCodeToOperation
[Index
].ScanCode
) {
2233 if ((Key
.ScanCode
== SCAN_F9
) || (Key
.ScanCode
== SCAN_F10
)) {
2235 ScreenOperation
= gScanCodeToOperation
[Index
].ScreenOperation
;
2238 ScreenOperation
= gScanCodeToOperation
[Index
].ScreenOperation
;
2247 case CfScreenOperation
:
2248 IfrBinary
= gBinaryDataHead
;
2251 // Advance to the Ifr we are using
2253 for (Index
= 0; Index
< gActiveIfr
; Index
++) {
2254 IfrBinary
= IfrBinary
->Next
;
2257 if (ScreenOperation
!= UiPrevious
&& ScreenOperation
!= UiReset
) {
2259 // If the screen has no menu items, and the user didn't select UiPrevious, or UiReset
2260 // ignore the selection and go back to reading keys.
2262 if (IsListEmpty (&Menu
)) {
2263 ControlFlag
= CfReadKey
;
2267 // if there is nothing logical to place a cursor on, just move on to wait for a key.
2269 for (Link
= Menu
.ForwardLink
; Link
!= &Menu
; Link
= Link
->ForwardLink
) {
2270 NextMenuOption
= CR (Link
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2271 if (!(NextMenuOption
->ThisTag
->GrayOut
) && (NextMenuOption
->ThisTag
->Operand
!= EFI_IFR_SUBTITLE_OP
)) {
2276 if (Link
== &Menu
) {
2277 ControlFlag
= CfPrepareToReadKey
;
2283 Index
< sizeof (gScreenOperationToControlFlag
) / sizeof (gScreenOperationToControlFlag
[0]);
2286 if (ScreenOperation
== gScreenOperationToControlFlag
[Index
].ScreenOperation
) {
2287 ControlFlag
= gScreenOperationToControlFlag
[Index
].ControlFlag
;
2294 ControlFlag
= CfCheckSelection
;
2296 // Check for tags that might have LATE_CHECK enabled. If they do, we can't switch pages or save NV data.
2298 if (MenuOption
!= NULL
) {
2299 if (!SelectionsAreValid (MenuOption
, FileFormTagsHead
)) {
2306 if (IsListEmpty (&gMenuList
)) {
2308 if (IsListEmpty (&Menu
)) {
2309 ControlFlag
= CfReadKey
;
2316 while (gMenuRefreshHead
!= NULL
) {
2317 OldMenuRefreshEntry
= gMenuRefreshHead
->Next
;
2319 gBS
->FreePool (gMenuRefreshHead
);
2321 gMenuRefreshHead
= OldMenuRefreshEntry
;
2324 // Remove the Cached page entry, free and init the menus, flag Selection as jumping to previous page and a valid Tag
2327 UiRemoveMenuListEntry (MenuOption
, &Selection
);
2328 Selection
->Previous
= TRUE
;
2333 gActiveIfr
= Selection
->IfrNumber
;
2337 ControlFlag
= CfCheckSelection
;
2339 ExtractRequestedNvMap (FileFormTags
, MenuOption
->ThisTag
->VariableNumber
, &VariableDefinition
);
2342 if ((MenuOption
->ThisTag
->Operand
== EFI_IFR_TEXT_OP
&&
2343 !(MenuOption
->ThisTag
->Flags
& EFI_IFR_FLAG_INTERACTIVE
)) ||
2344 (MenuOption
->ThisTag
->GrayOut
) ||
2345 (MenuOption
->ThisTag
->Operand
== EFI_IFR_DATE_OP
) ||
2346 (MenuOption
->ThisTag
->Operand
== EFI_IFR_TIME_OP
)) {
2352 UpdateKeyHelp (MenuOption
, TRUE
);
2353 Status
= ProcessOptions (MenuOption
, TRUE
, FileFormTagsHead
, PageData
, &OptionString
);
2355 if (EFI_ERROR (Status
)) {
2361 if (OptionString
!= NULL
) {
2362 PrintStringAt (LocalScreen
.LeftColumn
+ gPromptBlockWidth
+ 1, MenuOption
->Row
, OptionString
);
2365 if (MenuOption
->ThisTag
->Flags
& EFI_IFR_FLAG_INTERACTIVE
) {
2366 Selection
= MenuOption
;
2369 if (Selection
== NULL
) {
2373 Location
= (UINT8
*) &PageData
->EntryCount
;
2376 // If not a goto, dump single piece of data, otherwise dump everything
2378 if (Selection
->ThisTag
->Operand
== EFI_IFR_REF_OP
) {
2380 // Check for tags that might have LATE_CHECK enabled. If they do, we can't switch pages or save NV data.
2382 if (!SelectionsAreValid (MenuOption
, FileFormTagsHead
)) {
2388 UiAddMenuListEntry (Selection
);
2389 gPriorMenuEntry
= 0;
2392 // Now that we added a menu entry specific to a goto, we can always go back when someone hits the UiPrevious
2394 UiMenuList
= CR (gMenuList
.ForwardLink
, UI_MENU_LIST
, MenuLink
, UI_MENU_LIST_SIGNATURE
);
2395 UiMenuList
->FormerEntryNumber
= MenuOption
->EntryNumber
;
2400 // Rewind to the beginning of the menu
2402 for (; NewPos
->BackLink
!= &Menu
; NewPos
= NewPos
->BackLink
)
2406 // Get Total Count of Menu entries
2408 for (Count
= 1; NewPos
->ForwardLink
!= &Menu
; NewPos
= NewPos
->ForwardLink
) {
2412 // Rewind to the beginning of the menu
2414 for (; NewPos
->BackLink
!= &Menu
; NewPos
= NewPos
->BackLink
)
2418 // Copy the number of entries being described to the PageData location
2420 CopyMem (&Location
[0], &Count
, sizeof (UINT32
));
2422 for (Index
= 4; NewPos
->ForwardLink
!= &Menu
; Index
= Index
+ MenuOption
->ThisTag
->StorageWidth
+ 2) {
2424 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2425 Location
[Index
] = MenuOption
->ThisTag
->Operand
;
2426 Location
[Index
+ 1] = (UINT8
) (MenuOption
->ThisTag
->StorageWidth
+ 4);
2428 &Location
[Index
+ 4],
2429 &VariableDefinition
->NvRamMap
[MenuOption
->ThisTag
->StorageStart
],
2430 MenuOption
->ThisTag
->StorageWidth
2432 NewPos
= NewPos
->ForwardLink
;
2436 gPriorMenuEntry
= MenuOption
->EntryNumber
;
2441 // Copy the number of entries being described to the PageData location
2443 CopyMem (&Location
[0], &Count
, sizeof (UINT32
));
2446 // Start at PageData[4] since the EntryCount is a UINT32
2451 // Copy data to destination
2453 Location
[Index
] = MenuOption
->ThisTag
->Operand
;
2454 Location
[Index
+ 1] = (UINT8
) (MenuOption
->ThisTag
->StorageWidth
+ 4);
2456 &Location
[Index
+ 4],
2457 &VariableDefinition
->NvRamMap
[MenuOption
->ThisTag
->StorageStart
],
2458 MenuOption
->ThisTag
->StorageWidth
2465 ControlFlag
= CfCheckSelection
;
2467 if (gClassOfVfr
== EFI_FRONT_PAGE_SUBCLASS
) {
2471 // If NV flag is up, prompt user
2473 if (gNvUpdateRequired
) {
2474 Status
= gST
->ConIn
->ReadKeyStroke (gST
->ConIn
, &Key
);
2476 YesResponse
= gYesResponse
[0];
2477 NoResponse
= gNoResponse
[0];
2480 CreateDialog (3, TRUE
, 0, NULL
, &Key
, gEmptyString
, gAreYouSure
, gEmptyString
);
2483 (Key
.ScanCode
!= SCAN_ESC
) &&
2484 ((Key
.UnicodeChar
| UPPER_LOWER_CASE_OFFSET
) != (NoResponse
| UPPER_LOWER_CASE_OFFSET
)) &&
2485 ((Key
.UnicodeChar
| UPPER_LOWER_CASE_OFFSET
) != (YesResponse
| UPPER_LOWER_CASE_OFFSET
))
2489 // If the user hits the YesResponse key
2491 if ((Key
.UnicodeChar
| UPPER_LOWER_CASE_OFFSET
) == (YesResponse
| UPPER_LOWER_CASE_OFFSET
)) {
2499 // Check for tags that might have LATE_CHECK enabled. If they do, we can't switch pages or save NV data.
2501 if (MenuOption
!= NULL
) {
2502 if (!SelectionsAreValid (MenuOption
, FileFormTagsHead
)) {
2510 gST
->ConOut
->SetAttribute (gST
->ConOut
, EFI_TEXT_ATTR (EFI_LIGHTGRAY
, EFI_BLACK
));
2511 gST
->ConOut
->EnableCursor (gST
->ConOut
, TRUE
);
2515 gST
->ConOut
->ClearScreen (gST
->ConOut
);
2519 UpdateStatusBar (INPUT_ERROR
, MenuOption
->ThisTag
->Flags
, FALSE
);
2520 UpdateStatusBar (NV_UPDATE_REQUIRED
, MenuOption
->ThisTag
->Flags
, FALSE
);
2522 if (IfrBinary
->UnRegisterOnExit
) {
2523 Hii
->RemovePack (Hii
, MenuOption
->Handle
);
2529 // Clean up the allocated data buffers
2531 FreeData (FileFormTagsHead
, FormattedString
, OptionString
);
2533 gST
->ConOut
->ClearScreen (gST
->ConOut
);
2537 ControlFlag
= CfCheckSelection
;
2538 if ((MenuOption
->ThisTag
->Operand
== EFI_IFR_DATE_OP
) || (MenuOption
->ThisTag
->Operand
== EFI_IFR_TIME_OP
)) {
2539 if (MenuOption
->Skip
== 1) {
2541 // In the tail of the Date/Time op-code set, go left.
2543 NewPos
= NewPos
->BackLink
;
2546 // In the middle of the Data/Time op-code set, go left.
2548 NextMenuOption
= CR (NewPos
->ForwardLink
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2549 if (NextMenuOption
->Skip
== 1) {
2550 NewPos
= NewPos
->BackLink
;
2557 ControlFlag
= CfCheckSelection
;
2558 if ((MenuOption
->Skip
== 0) &&
2559 ((MenuOption
->ThisTag
->Operand
== EFI_IFR_DATE_OP
) || (MenuOption
->ThisTag
->Operand
== EFI_IFR_TIME_OP
))
2562 // We are in the head or middle of the Date/Time op-code set, advance right.
2564 NewPos
= NewPos
->ForwardLink
;
2569 ControlFlag
= CfCheckSelection
;
2571 if (NewPos
->BackLink
!= &Menu
) {
2574 // Adjust Date/Time position before we advance forward.
2576 AdjustDateAndTimePosition (TRUE
, &NewPos
);
2579 // Caution that we have already rewind to the top, don't go backward in this situation.
2581 if (NewPos
->BackLink
!= &Menu
) {
2582 NewPos
= NewPos
->BackLink
;
2585 PreviousMenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2588 // Since the behavior of hitting the up arrow on a Date/Time op-code is intended
2589 // to be one that back to the previous set of op-codes, we need to advance to the sencond
2590 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate
2591 // checking can be done.
2593 DataAndTimeLineNumberPad
= AdjustDateAndTimePosition (TRUE
, &NewPos
);
2597 // If the previous MenuOption contains a display-only op-code, skip to the next one
2599 if (PreviousMenuOption
->ThisTag
->Operand
== EFI_IFR_SUBTITLE_OP
|| PreviousMenuOption
->ThisTag
->GrayOut
) {
2601 // This is ok as long as not at the end of the list
2603 if (NewPos
->BackLink
== &Menu
) {
2605 // If we are at the start of the list, then this list must start with a display only
2606 // piece of data, so do not allow the backward motion
2608 ScreenOperation
= UiDown
;
2610 if (PreviousMenuOption
->Row
<= TopRow
) {
2611 if (TopOfScreen
->BackLink
!= &Menu
) {
2612 TopOfScreen
= TopOfScreen
->BackLink
;
2617 UpdateStatusBar (INPUT_ERROR
, PreviousMenuOption
->ThisTag
->Flags
, FALSE
);
2623 // Check the previous menu entry to see if it was a zero-length advance. If it was,
2624 // don't worry about a redraw.
2626 if ((MenuOption
->Row
- PreviousMenuOption
->Skip
- DataAndTimeLineNumberPad
< TopRow
) ||
2627 (PreviousMenuOption
->Skip
> MenuOption
->Row
)
2630 if (TopOfScreen
->BackLink
== &Menu
) {
2637 // Is the current top of screen a zero-advance op-code?
2638 // If so, keep moving forward till we hit a >0 advance op-code
2640 SavedMenuOption
= CR (TopOfScreen
->BackLink
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2641 TopOfScreen
= TopOfScreen
->BackLink
;
2642 } while (SavedMenuOption
->Skip
== 0);
2644 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
2646 AdjustDateAndTimePosition (TRUE
, &TopOfScreen
);
2649 UpdateStatusBar (INPUT_ERROR
, MenuOption
->ThisTag
->Flags
, FALSE
);
2652 SavedMenuOption
= MenuOption
;
2653 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2654 if (MenuOption
->ThisTag
->Operand
== EFI_IFR_SUBTITLE_OP
|| MenuOption
->ThisTag
->GrayOut
) {
2656 // If we are at the end of the list and sitting on a text op, we need to more forward
2658 ScreenOperation
= UiDown
;
2659 ControlFlag
= CfScreenOperation
;
2663 MenuOption
= SavedMenuOption
;
2669 ControlFlag
= CfCheckSelection
;
2671 SavedListEntry
= NewPos
;
2673 for (Index
= BottomRow
; Index
>= TopRow
+ 1; Index
-= MenuOption
->Skip
) {
2674 if (Link
->BackLink
== &Menu
) {
2676 Link
= SavedListEntry
;
2677 MenuOption
= CR (Link
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2683 Link
= Link
->BackLink
;
2684 MenuOption
= CR (Link
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2686 SavedListEntry
= Link
;
2692 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
2693 // Don't do this when we are already in the first page.
2696 AdjustDateAndTimePosition (TRUE
, &TopOfScreen
);
2697 AdjustDateAndTimePosition (TRUE
, &NewPos
);
2698 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2703 ControlFlag
= CfCheckSelection
;
2705 SavedListEntry
= NewPos
;
2707 NewPos
= TopOfScreen
;
2708 for (Index
= TopRow
; Index
<= BottomRow
- 1; Index
+= MenuOption
->Skip
) {
2709 if (NewPos
->ForwardLink
== &Menu
) {
2710 NewPos
= SavedListEntry
;
2711 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2720 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2721 NewPos
= NewPos
->ForwardLink
;
2728 // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
2729 // Don't do this when we are already in the last page.
2732 AdjustDateAndTimePosition (TRUE
, &TopOfScreen
);
2733 AdjustDateAndTimePosition (TRUE
, &NewPos
);
2734 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2739 ControlFlag
= CfCheckSelection
;
2741 // Since the behavior of hitting the down arrow on a Date/Time op-code is intended
2742 // to be one that progresses to the next set of op-codes, we need to advance to the last
2743 // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate
2744 // checking can be done. The only other logic we need to introduce is that if a Date/Time
2745 // op-code is the last entry in the menu, we need to rewind back to the first op-code of
2746 // the Date/Time op-code.
2748 DataAndTimeLineNumberPad
= AdjustDateAndTimePosition (FALSE
, &NewPos
);
2750 if (NewPos
->ForwardLink
!= &Menu
) {
2752 NewPos
= NewPos
->ForwardLink
;
2753 NextMenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2757 // If the next MenuOption contains a display-only op-code, skip to the next one
2758 // Also if the next MenuOption is date or time,
2760 if (NextMenuOption
->ThisTag
->Operand
== EFI_IFR_SUBTITLE_OP
|| NextMenuOption
->ThisTag
->GrayOut
) {
2762 // This is ok as long as not at the end of the list
2764 if (NewPos
== &Menu
) {
2766 // If we are at the end of the list, then this list must end with a display only
2767 // piece of data, so do not allow the forward motion
2769 UpdateStatusBar (INPUT_ERROR
, NextMenuOption
->ThisTag
->Flags
, FALSE
);
2770 NewPos
= NewPos
->BackLink
;
2771 ScreenOperation
= UiUp
;
2777 // An option might be multi-line, so we need to reflect that data in the overall skip value
2779 UpdateOptionSkipLines (PageData
, NextMenuOption
, FileFormTagsHead
, &OptionString
, SkipValue
);
2781 if (NextMenuOption
->Skip
> 1) {
2782 Temp
= MenuOption
->Row
+ MenuOption
->Skip
+ NextMenuOption
->Skip
- 1;
2784 Temp
= MenuOption
->Row
+ MenuOption
->Skip
+ DataAndTimeLineNumberPad
;
2787 // If we are going to scroll
2789 if (Temp
> BottomRow
) {
2792 // Is the current top of screen a zero-advance op-code?
2793 // If so, keep moving forward till we hit a >0 advance op-code
2795 SavedMenuOption
= CR (TopOfScreen
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2798 // If bottom op-code is more than one line or top op-code is more than one line
2800 if ((NextMenuOption
->Skip
> 1) || (MenuOption
->Skip
> 1)) {
2802 // Is the bottom op-code greater than or equal in size to the top op-code?
2804 if ((Temp
- BottomRow
) >= (SavedMenuOption
->Skip
- OldSkipValue
)) {
2806 // Skip the top op-code
2808 TopOfScreen
= TopOfScreen
->ForwardLink
;
2809 Difference
= (Temp
- BottomRow
) - (SavedMenuOption
->Skip
- OldSkipValue
);
2811 OldSkipValue
= Difference
;
2813 SavedMenuOption
= CR (TopOfScreen
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2816 // If we have a remainder, skip that many more op-codes until we drain the remainder
2819 Difference
>= (INTN
) SavedMenuOption
->Skip
;
2820 Difference
= Difference
- (INTN
) SavedMenuOption
->Skip
2823 // Since the Difference is greater than or equal to this op-code's skip value, skip it
2825 TopOfScreen
= TopOfScreen
->ForwardLink
;
2826 SavedMenuOption
= CR (TopOfScreen
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2827 if (Difference
< (INTN
) SavedMenuOption
->Skip
) {
2828 Difference
= SavedMenuOption
->Skip
- Difference
- 1;
2831 if (Difference
== (INTN
) SavedMenuOption
->Skip
) {
2832 TopOfScreen
= TopOfScreen
->ForwardLink
;
2833 SavedMenuOption
= CR (TopOfScreen
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2834 Difference
= SavedMenuOption
->Skip
- Difference
;
2840 // Since we will act on this op-code in the next routine, and increment the
2841 // SkipValue, set the skips to one less than what is required.
2843 SkipValue
= Difference
- 1;
2847 // Since we will act on this op-code in the next routine, and increment the
2848 // SkipValue, set the skips to one less than what is required.
2850 SkipValue
= OldSkipValue
+ (Temp
- BottomRow
) - 1;
2853 if ((OldSkipValue
+ 1) == (INTN
) SavedMenuOption
->Skip
) {
2854 TopOfScreen
= TopOfScreen
->ForwardLink
;
2857 SkipValue
= OldSkipValue
;
2861 // If the op-code at the top of the screen is more than one line, let's not skip it yet
2862 // Let's set a skip flag to smoothly scroll the top of the screen.
2864 if (SavedMenuOption
->Skip
> 1) {
2865 if (SavedMenuOption
== NextMenuOption
) {
2872 TopOfScreen
= TopOfScreen
->ForwardLink
;
2874 } while (SavedMenuOption
->Skip
== 0);
2877 OldSkipValue
= SkipValue
;
2880 UpdateStatusBar (INPUT_ERROR
, MenuOption
->ThisTag
->Flags
, FALSE
);
2884 SavedMenuOption
= MenuOption
;
2885 MenuOption
= CR (NewPos
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
2886 if (MenuOption
->ThisTag
->Operand
== EFI_IFR_SUBTITLE_OP
|| MenuOption
->ThisTag
->GrayOut
) {
2888 // If we are at the end of the list and sitting on a text op, we need to more forward
2890 ScreenOperation
= UiUp
;
2891 ControlFlag
= CfScreenOperation
;
2895 MenuOption
= SavedMenuOption
;
2897 // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.
2899 AdjustDateAndTimePosition (TRUE
, &NewPos
);
2905 ControlFlag
= CfCheckSelection
;
2907 // Check for tags that might have LATE_CHECK enabled. If they do, we can't switch pages or save NV data.
2909 if (MenuOption
!= NULL
) {
2910 if (!SelectionsAreValid (MenuOption
, FileFormTagsHead
)) {
2917 // If callbacks are active, and the callback has a Write method, try to use it
2919 if (FileFormTags
->VariableDefinitions
->VariableName
== NULL
) {
2920 if ((FormCallback
!= NULL
) && (FormCallback
->NvWrite
!= NULL
)) {
2921 Status
= FormCallback
->NvWrite (
2923 (CHAR16
*) L
"Setup",
2924 &FileFormTags
->FormTags
.Tags
[0].GuidValue
,
2925 EFI_VARIABLE_NON_VOLATILE
| EFI_VARIABLE_BOOTSERVICE_ACCESS
| EFI_VARIABLE_RUNTIME_ACCESS
,
2926 VariableDefinition
->VariableSize
,
2927 (VOID
*) VariableDefinition
->NvRamMap
,
2932 Status
= gRT
->SetVariable (
2933 (CHAR16
*) L
"Setup",
2934 &FileFormTags
->FormTags
.Tags
[0].GuidValue
,
2935 EFI_VARIABLE_NON_VOLATILE
| EFI_VARIABLE_BOOTSERVICE_ACCESS
| EFI_VARIABLE_RUNTIME_ACCESS
,
2936 VariableDefinition
->VariableSize
,
2937 (VOID
*) VariableDefinition
->NvRamMap
2941 VariableDefinition
= FileFormTags
->VariableDefinitions
;
2943 for (; VariableDefinition
!= NULL
; VariableDefinition
= VariableDefinition
->Next
) {
2944 if ((FormCallback
!= NULL
) && (FormCallback
->NvWrite
!= NULL
)) {
2945 Status
= FormCallback
->NvWrite (
2947 VariableDefinition
->VariableName
,
2948 &VariableDefinition
->Guid
,
2949 EFI_VARIABLE_NON_VOLATILE
| EFI_VARIABLE_BOOTSERVICE_ACCESS
| EFI_VARIABLE_RUNTIME_ACCESS
,
2950 VariableDefinition
->VariableSize
,
2951 (VOID
*) VariableDefinition
->NvRamMap
,
2956 Status
= gRT
->SetVariable (
2957 VariableDefinition
->VariableName
,
2958 &VariableDefinition
->Guid
,
2959 EFI_VARIABLE_NON_VOLATILE
| EFI_VARIABLE_BOOTSERVICE_ACCESS
| EFI_VARIABLE_RUNTIME_ACCESS
,
2960 VariableDefinition
->VariableSize
,
2961 (VOID
*) VariableDefinition
->NvRamMap
2967 UpdateStatusBar (INPUT_ERROR
, MenuOption
->ThisTag
->Flags
, FALSE
);
2968 UpdateStatusBar (NV_UPDATE_REQUIRED
, MenuOption
->ThisTag
->Flags
, FALSE
);
2972 ControlFlag
= CfCheckSelection
;
2974 NvMapListHead
= NULL
;
2976 Status
= Hii
->GetDefaultImage (Hii
, MenuOption
->Handle
, EFI_IFR_FLAG_DEFAULT
, &NvMapListHead
);
2978 if (!EFI_ERROR (Status
)) {
2979 ASSERT_EFI_ERROR (NULL
!= NvMapListHead
);
2981 NvMapListNode
= NvMapListHead
;
2983 while (NULL
!= NvMapListNode
) {
2984 if (FileFormTags
->VariableDefinitions
->VariableId
== NvMapListNode
->VariablePack
->VariableId
) {
2985 NvMap
= (VOID
*) ((CHAR8
*) NvMapListNode
->VariablePack
+ sizeof (EFI_HII_VARIABLE_PACK
) + NvMapListNode
->VariablePack
->VariableNameLength
);
2986 NvMapSize
= NvMapListNode
->VariablePack
->Header
.Length
- sizeof (EFI_HII_VARIABLE_PACK
) - NvMapListNode
->VariablePack
->VariableNameLength
;
2989 NvMapListNode
= NvMapListNode
->NextVariablePack
;
2993 // Free the buffer that was allocated.
2995 gBS
->FreePool (FileFormTags
->VariableDefinitions
->NvRamMap
);
2996 gBS
->FreePool (FileFormTags
->VariableDefinitions
->FakeNvRamMap
);
2999 // Allocate, copy the NvRamMap.
3001 FileFormTags
->VariableDefinitions
->VariableFakeSize
= (UINT16
) (FileFormTags
->VariableDefinitions
->VariableFakeSize
- FileFormTags
->VariableDefinitions
->VariableSize
);
3002 FileFormTags
->VariableDefinitions
->VariableSize
= (UINT16
) NvMapSize
;
3003 FileFormTags
->VariableDefinitions
->VariableFakeSize
= (UINT16
) (FileFormTags
->VariableDefinitions
->VariableFakeSize
+ FileFormTags
->VariableDefinitions
->VariableSize
);
3005 FileFormTags
->VariableDefinitions
->NvRamMap
= AllocateZeroPool (FileFormTags
->VariableDefinitions
->VariableSize
);
3006 FileFormTags
->VariableDefinitions
->FakeNvRamMap
= AllocateZeroPool (NvMapSize
+ FileFormTags
->VariableDefinitions
->VariableFakeSize
);
3008 CopyMem (FileFormTags
->VariableDefinitions
->NvRamMap
, NvMap
, NvMapSize
);
3009 gBS
->FreePool (NvMapListHead
);
3012 UpdateStatusBar (NV_UPDATE_REQUIRED
, MenuOption
->ThisTag
->Flags
, TRUE
);
3015 // After the repaint operation, we should refresh the highlight.
3020 case CfUiNoOperation
:
3021 ControlFlag
= CfCheckSelection
;
3025 while (gMenuRefreshHead
!= NULL
) {
3026 OldMenuRefreshEntry
= gMenuRefreshHead
->Next
;
3028 gBS
->FreePool (gMenuRefreshHead
);
3030 gMenuRefreshHead
= OldMenuRefreshEntry
;
3033 gST
->ConOut
->SetCursorPosition (gST
->ConOut
, 0, Row
+ 4);
3034 gST
->ConOut
->EnableCursor (gST
->ConOut
, TRUE
);
3035 gST
->ConOut
->OutputString (gST
->ConOut
, (CHAR16
*) L
"\n");
3037 gActiveIfr
= MenuOption
->IfrNumber
;
3048 IN BOOLEAN Direction
,
3049 IN LIST_ENTRY
*CurrentPos
3053 Routine Description:
3054 Determine if the menu is the last menu that can be selected.
3057 Direction - the scroll direction. False is down. True is up.
3060 FALSE -- the menu isn't the last menu that can be selected.
3061 TRUE -- the menu is the last menu that can be selected.
3065 UI_MENU_OPTION
*MenuOption
;
3068 Temp
= Direction
? CurrentPos
->BackLink
: CurrentPos
->ForwardLink
;
3070 if (Temp
== &Menu
) {
3074 for (; Temp
!= &Menu
; Temp
= Direction
? Temp
->BackLink
: Temp
->ForwardLink
) {
3075 MenuOption
= CR (Temp
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
3076 if (!(MenuOption
->ThisTag
->Operand
== EFI_IFR_SUBTITLE_OP
|| MenuOption
->ThisTag
->GrayOut
)) {
3085 AdjustDateAndTimePosition (
3086 IN BOOLEAN DirectionUp
,
3087 IN LIST_ENTRY
**CurrentPosition
3090 Routine Description:
3091 Adjust Data and Time tag position accordingly.
3092 Data format : [01/02/2004] [11:22:33]
3093 Line number : 0 0 1 0 0 1
3096 Direction - the up or down direction. False is down. True is up.
3097 CurrentPos - Current position.
3100 Return line number to pad. It is possible that we stand on a zero-advance
3101 data or time opcode, so pad one line when we judge if we are going to scroll outside.
3105 LIST_ENTRY
*NewPosition
;
3106 UI_MENU_OPTION
*MenuOption
;
3107 UINTN PadLineNumber
;
3110 NewPosition
= *CurrentPosition
;
3111 MenuOption
= CR (NewPosition
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
3113 if ((MenuOption
->ThisTag
->Operand
== EFI_IFR_DATE_OP
) || (MenuOption
->ThisTag
->Operand
== EFI_IFR_TIME_OP
)) {
3115 // Calculate the distance from current position to the last Date/Time op-code.
3118 while (MenuOption
->ThisTag
->NumberOfLines
== 0) {
3120 NewPosition
= NewPosition
->ForwardLink
;
3121 MenuOption
= CR (NewPosition
, UI_MENU_OPTION
, Link
, UI_MENU_OPTION_SIGNATURE
);
3125 NewPosition
= *CurrentPosition
;
3128 // Since the behavior of hitting the up arrow on a Date/Time op-code is intended
3129 // to be one that back to the previous set of op-codes, we need to advance to the first
3130 // Date/Time op-code and leave the remaining logic in CfUiUp intact so the appropriate
3131 // checking can be done.
3133 while (Count
++ < 2) {
3134 NewPosition
= NewPosition
->BackLink
;
3138 // Since the behavior of hitting the down arrow on a Date/Time op-code is intended
3139 // to be one that progresses to the next set of op-codes, we need to advance to the last
3140 // Date/Time op-code and leave the remaining logic in CfUiDown intact so the appropriate
3141 // checking can be done.
3143 while (Count
-- > 0) {
3144 NewPosition
= NewPosition
->ForwardLink
;
3148 *CurrentPosition
= NewPosition
;
3151 return PadLineNumber
;