3 This library class defines a set of interfaces to customize Display module
5 Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
6 This program and the accompanying materials are licensed and made available under
7 the terms and conditions of the BSD License that accompanies this distribution.
8 The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php.
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #include "CustomizedDisplayLibInternal.h"
17 EFI_SCREEN_DESCRIPTOR gScreenDimensions
;
18 CHAR16
*mLibUnknownString
;
19 extern EFI_HII_HANDLE mCDLStringPackHandle
;
21 #define SPACE_BUFFER_SIZE 1000
24 // Browser Global Strings
27 CHAR16
*gEnterCommitString
;
28 CHAR16
*gEnterEscapeString
;
29 CHAR16
*gEscapeString
;
30 CHAR16
*gMoveHighlight
;
31 CHAR16
*gDecNumericInput
;
32 CHAR16
*gHexNumericInput
;
33 CHAR16
*gToggleCheckBox
;
34 CHAR16
*gLibEmptyString
;
40 CHAR16
*gAdjustNumber
;
42 CHAR16
*gNvUpdateMessage
;
43 CHAR16
*gInputErrorMessage
;
47 Print banner info for front page.
49 @param[in] FormData Form Data to be shown in Page
54 IN FORM_DISPLAY_ENGINE_FORM
*FormData
59 CHAR16
*StrFrontPageBanner
;
64 // ClearLines(0, LocalScreen.RightColumn, 0, BANNER_HEIGHT-1, BANNER_TEXT | BANNER_BACKGROUND);
67 gScreenDimensions
.LeftColumn
,
68 gScreenDimensions
.RightColumn
,
69 gScreenDimensions
.TopRow
,
70 FRONT_PAGE_HEADER_HEIGHT
- 1 + gScreenDimensions
.TopRow
,
71 BANNER_TEXT
| BANNER_BACKGROUND
75 // for (Line = 0; Line < BANNER_HEIGHT; Line++) {
77 for (Line
= (UINT8
) gScreenDimensions
.TopRow
; Line
< BANNER_HEIGHT
+ (UINT8
) gScreenDimensions
.TopRow
; Line
++) {
79 // for (Alignment = 0; Alignment < BANNER_COLUMNS; Alignment++) {
81 for (Alignment
= (UINT8
) gScreenDimensions
.LeftColumn
;
82 Alignment
< BANNER_COLUMNS
+ (UINT8
) gScreenDimensions
.LeftColumn
;
85 RowIdx
= (UINT8
) (Line
- (UINT8
) gScreenDimensions
.TopRow
);
86 ColumnIdx
= (UINT8
) (Alignment
- (UINT8
) gScreenDimensions
.LeftColumn
);
88 ASSERT (RowIdx
< BANNER_HEIGHT
&& ColumnIdx
< BANNER_COLUMNS
);
90 if (gBannerData
!= NULL
&& gBannerData
->Banner
[RowIdx
][ColumnIdx
] != 0x0000) {
91 StrFrontPageBanner
= LibGetToken (gBannerData
->Banner
[RowIdx
][ColumnIdx
], FormData
->HiiHandle
);
96 switch (Alignment
- gScreenDimensions
.LeftColumn
) {
101 PrintStringAt (gScreenDimensions
.LeftColumn
+ BANNER_LEFT_COLUMN_INDENT
, Line
, StrFrontPageBanner
);
106 // Handle center column
109 gScreenDimensions
.LeftColumn
+ (gScreenDimensions
.RightColumn
- gScreenDimensions
.LeftColumn
) / 3,
117 // Handle right column
120 gScreenDimensions
.LeftColumn
+ (gScreenDimensions
.RightColumn
- gScreenDimensions
.LeftColumn
) * 2 / 3,
127 FreePool (StrFrontPageBanner
);
134 Print framework for a page.
147 Buffer
= AllocateZeroPool (0x10000);
148 ASSERT (Buffer
!= NULL
);
149 Character
= BOXDRAW_HORIZONTAL
;
150 for (Index
= 0; Index
+ 2 < (gScreenDimensions
.RightColumn
- gScreenDimensions
.LeftColumn
); Index
++) {
151 Buffer
[Index
] = Character
;
155 gScreenDimensions
.LeftColumn
,
156 gScreenDimensions
.RightColumn
,
157 gScreenDimensions
.BottomRow
- STATUS_BAR_HEIGHT
- gFooterHeight
,
158 gScreenDimensions
.BottomRow
- STATUS_BAR_HEIGHT
- 1,
159 KEYHELP_TEXT
| KEYHELP_BACKGROUND
162 if ((gClassOfVfr
& FORMSET_CLASS_PLATFORM_SETUP
) == FORMSET_CLASS_PLATFORM_SETUP
) {
164 gScreenDimensions
.LeftColumn
,
165 gScreenDimensions
.RightColumn
,
166 gScreenDimensions
.TopRow
,
167 gScreenDimensions
.TopRow
+ NONE_FRONT_PAGE_HEADER_HEIGHT
- 1,
168 TITLE_TEXT
| TITLE_BACKGROUND
171 // Print Top border line
172 // +------------------------------------------------------------------------------+
174 // +------------------------------------------------------------------------------+
176 Character
= BOXDRAW_DOWN_RIGHT
;
178 PrintCharAt ((UINTN
) -1, (UINTN
) -1, Character
);
179 PrintStringAt ((UINTN
) -1, (UINTN
) -1, Buffer
);
181 Character
= BOXDRAW_DOWN_LEFT
;
182 PrintCharAt ((UINTN
) -1, (UINTN
) -1, Character
);
184 Character
= BOXDRAW_VERTICAL
;
185 for (Row
= gScreenDimensions
.TopRow
+ 1; Row
<= gScreenDimensions
.TopRow
+ NONE_FRONT_PAGE_HEADER_HEIGHT
- 2; Row
++) {
186 PrintCharAt (gScreenDimensions
.LeftColumn
, Row
, Character
);
187 PrintCharAt (gScreenDimensions
.RightColumn
- 1, Row
, Character
);
190 Character
= BOXDRAW_UP_RIGHT
;
191 PrintCharAt (gScreenDimensions
.LeftColumn
, gScreenDimensions
.TopRow
+ NONE_FRONT_PAGE_HEADER_HEIGHT
- 1, Character
);
192 PrintStringAt ((UINTN
) -1, (UINTN
) -1, Buffer
);
194 Character
= BOXDRAW_UP_LEFT
;
195 PrintCharAt ((UINTN
) -1, (UINTN
) -1, Character
);
198 // Print Bottom border line
199 // +------------------------------------------------------------------------------+
201 // +------------------------------------------------------------------------------+
203 Character
= BOXDRAW_DOWN_RIGHT
;
204 PrintCharAt (gScreenDimensions
.LeftColumn
, gScreenDimensions
.BottomRow
- STATUS_BAR_HEIGHT
- gFooterHeight
, Character
);
206 PrintStringAt ((UINTN
) -1, (UINTN
) -1, Buffer
);
208 Character
= BOXDRAW_DOWN_LEFT
;
209 PrintCharAt ((UINTN
) -1, (UINTN
) -1, Character
);
210 Character
= BOXDRAW_VERTICAL
;
211 for (Row
= gScreenDimensions
.BottomRow
- STATUS_BAR_HEIGHT
- gFooterHeight
+ 1;
212 Row
<= gScreenDimensions
.BottomRow
- STATUS_BAR_HEIGHT
- 2;
215 PrintCharAt (gScreenDimensions
.LeftColumn
, Row
, Character
);
216 PrintCharAt (gScreenDimensions
.RightColumn
- 1, Row
, Character
);
219 Character
= BOXDRAW_UP_RIGHT
;
220 PrintCharAt (gScreenDimensions
.LeftColumn
, gScreenDimensions
.BottomRow
- STATUS_BAR_HEIGHT
- 1, Character
);
222 PrintStringAt ((UINTN
) -1, (UINTN
) -1, Buffer
);
224 Character
= BOXDRAW_UP_LEFT
;
225 PrintCharAt ((UINTN
) -1, (UINTN
) -1, Character
);
232 Print the form title.
234 @param[in] FormData Form Data to be shown in Page
239 IN FORM_DISPLAY_ENGINE_FORM
*FormData
244 if ((gClassOfVfr
& FORMSET_CLASS_PLATFORM_SETUP
) != FORMSET_CLASS_PLATFORM_SETUP
) {
246 // Only Setup Page need Title.
251 TitleStr
= LibGetToken (FormData
->FormTitle
, FormData
->HiiHandle
);
252 ASSERT (TitleStr
!= NULL
);
254 gST
->ConOut
->SetAttribute (gST
->ConOut
, TITLE_TEXT
| TITLE_BACKGROUND
);
257 gScreenDimensions
.LeftColumn
+ 1,
258 gScreenDimensions
.RightColumn
- 1,
259 gScreenDimensions
.TopRow
+ 1,
260 gScreenDimensions
.TopRow
+ 1,
261 TITLE_TEXT
| TITLE_BACKGROUND
265 (gScreenDimensions
.RightColumn
+ gScreenDimensions
.LeftColumn
- LibGetStringWidth (TitleStr
) / 2) / 2,
266 gScreenDimensions
.TopRow
+ 1,
274 Process some op code which is not recognized by browser core.
276 @param OpCodeData The pointer to the op code buffer.
278 @return EFI_SUCCESS Pass the statement success.
283 IN EFI_IFR_OP_HEADER
*OpCodeData
286 switch (OpCodeData
->OpCode
) {
287 case EFI_IFR_GUID_OP
:
288 if (CompareGuid (&gEfiIfrTianoGuid
, (EFI_GUID
*)((CHAR8
*) OpCodeData
+ sizeof (EFI_IFR_OP_HEADER
)))) {
290 // Tiano specific GUIDed opcodes
292 switch (((EFI_IFR_GUID_LABEL
*) OpCodeData
)->ExtendOpCode
) {
293 case EFI_IFR_EXTEND_OP_LABEL
:
299 case EFI_IFR_EXTEND_OP_BANNER
:
301 // Only in front page form set, we care about the banner data.
303 if ((gClassOfVfr
& FORMSET_CLASS_FRONT_PAGE
) == FORMSET_CLASS_FRONT_PAGE
) {
305 // Initialize Driver private data
307 if (gBannerData
== NULL
) {
308 gBannerData
= AllocateZeroPool (sizeof (BANNER_DATA
));
309 ASSERT (gBannerData
!= NULL
);
313 &gBannerData
->Banner
[((EFI_IFR_GUID_BANNER
*) OpCodeData
)->LineNumber
][
314 ((EFI_IFR_GUID_BANNER
*) OpCodeData
)->Alignment
],
315 &((EFI_IFR_GUID_BANNER
*) OpCodeData
)->Title
,
316 sizeof (EFI_STRING_ID
)
321 case EFI_IFR_EXTEND_OP_SUBCLASS
:
322 if (((EFI_IFR_GUID_SUBCLASS
*) OpCodeData
)->SubClass
== EFI_FRONT_PAGE_SUBCLASS
) {
323 gClassOfVfr
= FORMSET_CLASS_FRONT_PAGE
;
339 Process some op codes which is out side of current form.
341 @param FormData Pointer to the form data.
343 @return EFI_SUCCESS Pass the statement success.
347 ProcessExternedOpcode (
348 IN FORM_DISPLAY_ENGINE_FORM
*FormData
352 FORM_DISPLAY_ENGINE_STATEMENT
*Statement
;
354 Link
= GetFirstNode (&FormData
->StatementListOSF
);
355 while (!IsNull (&FormData
->StatementListOSF
, Link
)) {
356 Statement
= FORM_DISPLAY_ENGINE_STATEMENT_FROM_LINK (Link
);
357 Link
= GetNextNode (&FormData
->StatementListOSF
, Link
);
359 ProcessUserOpcode(Statement
->OpCode
);
362 Link
= GetFirstNode (&FormData
->StatementListHead
);
363 while (!IsNull (&FormData
->StatementListHead
, Link
)) {
364 Statement
= FORM_DISPLAY_ENGINE_STATEMENT_FROM_LINK (Link
);
365 Link
= GetNextNode (&FormData
->StatementListHead
, Link
);
367 ProcessUserOpcode(Statement
->OpCode
);
372 Validate the input screen diemenstion info.
374 @param FormData The input form data info.
376 @return EFI_SUCCESS The input screen info is acceptable.
377 @return EFI_INVALID_PARAMETER The input screen info is not acceptable.
381 ScreenDiemensionInfoValidate (
382 IN FORM_DISPLAY_ENGINE_FORM
*FormData
389 // Calculate total number of Register HotKeys.
392 if (!IsListEmpty (&FormData
->HotKeyListHead
)){
393 Link
= GetFirstNode (&FormData
->HotKeyListHead
);
394 while (!IsNull (&FormData
->HotKeyListHead
, Link
)) {
395 Link
= GetNextNode (&FormData
->HotKeyListHead
, Link
);
401 // Show three HotKeys help information on one row.
403 gFooterHeight
= FOOTER_HEIGHT
+ (Index
/ 3);
406 ZeroMem (&gScreenDimensions
, sizeof (EFI_SCREEN_DESCRIPTOR
));
407 gST
->ConOut
->QueryMode (
409 gST
->ConOut
->Mode
->Mode
,
410 &gScreenDimensions
.RightColumn
,
411 &gScreenDimensions
.BottomRow
415 // Check local dimension vs. global dimension.
417 if (FormData
->ScreenDimensions
!= NULL
) {
418 if ((gScreenDimensions
.RightColumn
< FormData
->ScreenDimensions
->RightColumn
) ||
419 (gScreenDimensions
.BottomRow
< FormData
->ScreenDimensions
->BottomRow
)
421 return EFI_INVALID_PARAMETER
;
424 // Local dimension validation.
426 if ((FormData
->ScreenDimensions
->RightColumn
> FormData
->ScreenDimensions
->LeftColumn
) &&
427 (FormData
->ScreenDimensions
->BottomRow
> FormData
->ScreenDimensions
->TopRow
) &&
428 ((FormData
->ScreenDimensions
->RightColumn
- FormData
->ScreenDimensions
->LeftColumn
) > 2) &&
429 ((FormData
->ScreenDimensions
->BottomRow
- FormData
->ScreenDimensions
->TopRow
) > STATUS_BAR_HEIGHT
+
430 FRONT_PAGE_HEADER_HEIGHT
+ gFooterHeight
+ 3)) {
431 CopyMem (&gScreenDimensions
, (VOID
*) FormData
->ScreenDimensions
, sizeof (EFI_SCREEN_DESCRIPTOR
));
433 return EFI_INVALID_PARAMETER
;
442 Get the string based on the StringId and HII Package List Handle.
444 @param Token The String's ID.
445 @param HiiHandle The package list in the HII database to search for
446 the specified string.
448 @return The output string.
453 IN EFI_STRING_ID Token
,
454 IN EFI_HII_HANDLE HiiHandle
459 String
= HiiGetString (HiiHandle
, Token
, NULL
);
460 if (String
== NULL
) {
461 String
= AllocateCopyPool (StrSize (mLibUnknownString
), mLibUnknownString
);
462 ASSERT (String
!= NULL
);
465 return (CHAR16
*) String
;
470 Count the storage space of a Unicode string.
472 This function handles the Unicode string with NARROW_CHAR
473 and WIDE_CHAR control characters. NARROW_HCAR and WIDE_CHAR
474 does not count in the resultant output. If a WIDE_CHAR is
475 hit, then 2 Unicode character will consume an output storage
476 space with size of CHAR16 till a NARROW_CHAR is hit.
478 If String is NULL, then ASSERT ().
480 @param String The input string to be counted.
482 @return Storage space for the input string.
492 UINTN IncrementValue
;
494 ASSERT (String
!= NULL
);
495 if (String
== NULL
) {
505 // Advance to the null-terminator or to the first width directive
508 (String
[Index
] != NARROW_CHAR
) && (String
[Index
] != WIDE_CHAR
) && (String
[Index
] != 0);
509 Index
++, Count
= Count
+ IncrementValue
514 // We hit the null-terminator, we now have a count
516 if (String
[Index
] == 0) {
520 // We encountered a narrow directive - strip it from the size calculation since it doesn't get printed
521 // and also set the flag that determines what we increment by.(if narrow, increment by 1, if wide increment by 2)
523 if (String
[Index
] == NARROW_CHAR
) {
525 // Skip to the next character
531 // Skip to the next character
536 } while (String
[Index
] != 0);
539 // Increment by one to include the null-terminator in the size
543 return Count
* sizeof (CHAR16
);
547 Show all registered HotKey help strings on bottom Rows.
549 @param FormData The curent input form data info.
553 PrintHotKeyHelpString (
554 IN FORM_DISPLAY_ENGINE_FORM
*FormData
559 UINTN BottomRowOfHotKeyHelp
;
562 EFI_SCREEN_DESCRIPTOR LocalScreen
;
564 BROWSER_HOT_KEY
*HotKey
;
566 if (IsListEmpty (&FormData
->HotKeyListHead
)) {
570 CopyMem (&LocalScreen
, &gScreenDimensions
, sizeof (EFI_SCREEN_DESCRIPTOR
));
571 ColumnWidth
= (LocalScreen
.RightColumn
- LocalScreen
.LeftColumn
) / 3;
572 BottomRowOfHotKeyHelp
= LocalScreen
.BottomRow
- STATUS_BAR_HEIGHT
- 3;
575 // Calculate total number of Register HotKeys.
578 Link
= GetFirstNode (&FormData
->HotKeyListHead
);
579 while (!IsNull (&FormData
->HotKeyListHead
, Link
)) {
580 HotKey
= BROWSER_HOT_KEY_FROM_LINK (Link
);
582 // Help string can't exceed ColumnWidth. One Row will show three Help information.
584 if (StrLen (HotKey
->HelpString
) > ColumnWidth
) {
585 HotKey
->HelpString
[ColumnWidth
] = L
'\0';
588 // Calculate help information Column and Row.
590 if ((Index
% 3) != 2) {
591 CurrentCol
= LocalScreen
.LeftColumn
+ (2 - Index
% 3) * ColumnWidth
;
593 CurrentCol
= LocalScreen
.LeftColumn
+ 2;
595 CurrentRow
= BottomRowOfHotKeyHelp
- Index
/ 3;
597 // Print HotKey help string on bottom Row.
599 PrintStringAt (CurrentCol
, CurrentRow
, HotKey
->HelpString
);
604 Link
= GetNextNode (&FormData
->HotKeyListHead
, Link
);
612 Get step info from numeric opcode.
614 @param[in] OpCode The input numeric op code.
616 @return step info for this opcode.
620 IN EFI_IFR_OP_HEADER
*OpCode
623 EFI_IFR_NUMERIC
*NumericOp
;
626 NumericOp
= (EFI_IFR_NUMERIC
*) OpCode
;
628 switch (NumericOp
->Flags
& EFI_IFR_NUMERIC_SIZE
) {
629 case EFI_IFR_NUMERIC_SIZE_1
:
630 Step
= NumericOp
->data
.u8
.Step
;
633 case EFI_IFR_NUMERIC_SIZE_2
:
634 Step
= NumericOp
->data
.u16
.Step
;
637 case EFI_IFR_NUMERIC_SIZE_4
:
638 Step
= NumericOp
->data
.u32
.Step
;
641 case EFI_IFR_NUMERIC_SIZE_8
:
642 Step
= NumericOp
->data
.u64
.Step
;
654 Initialize the HII String Token to the correct values.
658 InitializeLibStrings (
662 mLibUnknownString
= L
"!";
664 gEnterString
= LibGetToken (STRING_TOKEN (ENTER_STRING
), mCDLStringPackHandle
);
665 gEnterCommitString
= LibGetToken (STRING_TOKEN (ENTER_COMMIT_STRING
), mCDLStringPackHandle
);
666 gEnterEscapeString
= LibGetToken (STRING_TOKEN (ENTER_ESCAPE_STRING
), mCDLStringPackHandle
);
667 gEscapeString
= LibGetToken (STRING_TOKEN (ESCAPE_STRING
), mCDLStringPackHandle
);
668 gMoveHighlight
= LibGetToken (STRING_TOKEN (MOVE_HIGHLIGHT
), mCDLStringPackHandle
);
669 gDecNumericInput
= LibGetToken (STRING_TOKEN (DEC_NUMERIC_INPUT
), mCDLStringPackHandle
);
670 gHexNumericInput
= LibGetToken (STRING_TOKEN (HEX_NUMERIC_INPUT
), mCDLStringPackHandle
);
671 gToggleCheckBox
= LibGetToken (STRING_TOKEN (TOGGLE_CHECK_BOX
), mCDLStringPackHandle
);
673 gAreYouSure
= LibGetToken (STRING_TOKEN (ARE_YOU_SURE
), mCDLStringPackHandle
);
674 gYesResponse
= LibGetToken (STRING_TOKEN (ARE_YOU_SURE_YES
), mCDLStringPackHandle
);
675 gNoResponse
= LibGetToken (STRING_TOKEN (ARE_YOU_SURE_NO
), mCDLStringPackHandle
);
676 gPlusString
= LibGetToken (STRING_TOKEN (PLUS_STRING
), mCDLStringPackHandle
);
677 gMinusString
= LibGetToken (STRING_TOKEN (MINUS_STRING
), mCDLStringPackHandle
);
678 gAdjustNumber
= LibGetToken (STRING_TOKEN (ADJUST_NUMBER
), mCDLStringPackHandle
);
679 gSaveChanges
= LibGetToken (STRING_TOKEN (SAVE_CHANGES
), mCDLStringPackHandle
);
681 gLibEmptyString
= LibGetToken (STRING_TOKEN (EMPTY_STRING
), mCDLStringPackHandle
);
683 gNvUpdateMessage
= LibGetToken (STRING_TOKEN (NV_UPDATE_MESSAGE
), mCDLStringPackHandle
);
684 gInputErrorMessage
= LibGetToken (STRING_TOKEN (INPUT_ERROR_MESSAGE
), mCDLStringPackHandle
);
689 mSpaceBuffer
= AllocatePool ((SPACE_BUFFER_SIZE
+ 1) * sizeof (CHAR16
));
690 ASSERT (mSpaceBuffer
!= NULL
);
691 LibSetUnicodeMem (mSpaceBuffer
, SPACE_BUFFER_SIZE
, L
' ');
692 mSpaceBuffer
[SPACE_BUFFER_SIZE
] = L
'\0';
705 FreePool (gEnterString
);
706 FreePool (gEnterCommitString
);
707 FreePool (gEnterEscapeString
);
708 FreePool (gEscapeString
);
709 FreePool (gMoveHighlight
);
710 FreePool (gDecNumericInput
);
711 FreePool (gHexNumericInput
);
712 FreePool (gToggleCheckBox
);
714 FreePool (gAreYouSure
);
715 FreePool (gYesResponse
);
716 FreePool (gNoResponse
);
717 FreePool (gPlusString
);
718 FreePool (gMinusString
);
719 FreePool (gAdjustNumber
);
720 FreePool (gSaveChanges
);
722 FreePool (gLibEmptyString
);
724 FreePool (gNvUpdateMessage
);
725 FreePool (gInputErrorMessage
);
727 FreePool (mSpaceBuffer
);
731 Wait for a key to be pressed by user.
733 @param Key The key which is pressed by user.
735 @retval EFI_SUCCESS The function always completed successfully.
740 OUT EFI_INPUT_KEY
*Key
747 Status
= gST
->ConIn
->ReadKeyStroke (gST
->ConIn
, Key
);
748 if (!EFI_ERROR (Status
)) {
752 if (Status
!= EFI_NOT_READY
) {
756 gBS
->WaitForEvent (1, &gST
->ConIn
->WaitForKey
, &Index
);
763 Set Buffer to Value for Size bytes.
765 @param Buffer Memory to set.
766 @param Size Number of bytes to set
767 @param Value Value of the set operation.
780 while ((Size
--) != 0) {
786 The internal function prints to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
789 @param Width Width of string to be print.
790 @param Column The position of the output string.
791 @param Row The position of the output string.
792 @param Out The EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL instance.
793 @param Fmt The format string.
794 @param Args The additional argument for the variables in the format string.
796 @return Number of Unicode character printed.
804 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
*Out
,
810 CHAR16
*BackupBuffer
;
818 // For now, allocate an arbitrarily long buffer
820 Buffer
= AllocateZeroPool (0x10000);
821 BackupBuffer
= AllocateZeroPool (0x10000);
823 ASSERT (BackupBuffer
);
825 if (Column
!= (UINTN
) -1) {
826 Out
->SetCursorPosition (Out
, Column
, Row
);
829 UnicodeVSPrint (Buffer
, 0x10000, Fmt
, Args
);
831 Out
->Mode
->Attribute
= Out
->Mode
->Attribute
& 0x7f;
833 Out
->SetAttribute (Out
, Out
->Mode
->Attribute
);
842 for (; (Buffer
[Index
] != NARROW_CHAR
) && (Buffer
[Index
] != WIDE_CHAR
) && (Buffer
[Index
] != 0); Index
++) {
843 BackupBuffer
[Index
] = Buffer
[Index
];
846 if (Buffer
[Index
] == 0) {
850 // Null-terminate the temporary string
852 BackupBuffer
[Index
] = 0;
855 // Print this out, we are about to switch widths
857 Out
->OutputString (Out
, &BackupBuffer
[PreviousIndex
]);
858 Count
+= StrLen (&BackupBuffer
[PreviousIndex
]);
859 PrintWidth
+= Count
* CharWidth
;
862 // Preserve the current index + 1, since this is where we will start printing from next
864 PreviousIndex
= Index
+ 1;
867 // We are at a narrow or wide character directive. Set attributes and strip it and print it
869 if (Buffer
[Index
] == NARROW_CHAR
) {
871 // Preserve bits 0 - 6 and zero out the rest
873 Out
->Mode
->Attribute
= Out
->Mode
->Attribute
& 0x7f;
874 Out
->SetAttribute (Out
, Out
->Mode
->Attribute
);
878 // Must be wide, set bit 7 ON
880 Out
->Mode
->Attribute
= Out
->Mode
->Attribute
| EFI_WIDE_ATTRIBUTE
;
881 Out
->SetAttribute (Out
, Out
->Mode
->Attribute
);
887 } while (Buffer
[Index
] != 0);
890 // We hit the end of the string - print it
892 Out
->OutputString (Out
, &BackupBuffer
[PreviousIndex
]);
893 Count
+= StrLen (&BackupBuffer
[PreviousIndex
]);
894 PrintWidth
+= Count
* CharWidth
;
895 if (PrintWidth
< Width
) {
896 Out
->Mode
->Attribute
= Out
->Mode
->Attribute
& 0x7f;
897 Out
->SetAttribute (Out
, Out
->Mode
->Attribute
);
898 Out
->OutputString (Out
, &mSpaceBuffer
[SPACE_BUFFER_SIZE
- Width
+ PrintWidth
]);
902 FreePool (BackupBuffer
);
907 Prints a formatted unicode string to the default console, at
908 the supplied cursor position.
910 @param Width Width of String to be printed.
911 @param Column The cursor position to print the string at.
912 @param Row The cursor position to print the string at.
913 @param Fmt Format string.
914 @param ... Variable argument list for format string.
916 @return Length of string printed to the console
930 UINTN LengthOfPrinted
;
932 VA_START (Args
, Fmt
);
933 LengthOfPrinted
= PrintInternal (Width
, Column
, Row
, gST
->ConOut
, Fmt
, Args
);
935 return LengthOfPrinted
;