diff options
| author | Eric Dong <eric.dong@intel.com> | 2013-08-09 05:26:47 +0000 |
|---|---|---|
| committer | ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-08-09 05:26:47 +0000 |
| commit | b9feb4bdf281bcd9c61d9b089c379f265664674b (patch) | |
| tree | 8e0d577f3767750ce82be625bd507311d370b97c /MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.c | |
| parent | 301c867b27f975eda41ffb340e7a314e5f4d0ff1 (diff) | |
| download | edk2-b9feb4bdf281bcd9c61d9b089c379f265664674b.tar.gz edk2-b9feb4bdf281bcd9c61d9b089c379f265664674b.tar.bz2 edk2-b9feb4bdf281bcd9c61d9b089c379f265664674b.zip | |
Update Browser to provide the customization possibilities.
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
MdeModulePkg Patch
Tested-by: Laszlo Ersek <lersek@redhat.com>
OvmfPkg Patch
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14537 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.c')
| -rw-r--r-- | MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.c | 921 |
1 files changed, 921 insertions, 0 deletions
diff --git a/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.c b/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.c new file mode 100644 index 0000000000..aa28146b02 --- /dev/null +++ b/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.c @@ -0,0 +1,921 @@ +/** @file
+
+ This library class defines a set of interfaces to customize Display module
+
+Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#include "CustomizedDisplayLibInternal.h"
+
+EFI_GUID gCustomizedDisplayLibGuid = { 0x99fdc8fd, 0x849b, 0x4eba, { 0xad, 0x13, 0xfb, 0x96, 0x99, 0xc9, 0xa, 0x4d } };
+
+EFI_HII_HANDLE mCDLStringPackHandle;
+UINT16 gClassOfVfr; // Formset class information
+BOOLEAN gLibIsFirstForm = TRUE;
+BANNER_DATA *gBannerData;
+
+UINTN gFooterHeight;
+
+/**
++------------------------------------------------------------------------------+
+| Setup Page |
++------------------------------------------------------------------------------+
+
+Statement
+Statement
+Statement
+
+
+
+
+
++------------------------------------------------------------------------------+
+| F9=Reset to Defaults F10=Save |
+| ^"=Move Highlight <Spacebar> Toggles Checkbox Esc=Exit |
++------------------------------------------------------------------------------+
+ StatusBar
+**/
+
+/**
+ This funtion defines Page Frame and Backgroud.
+
+ Based on the above layout, it will be responsible for HeaderHeight, FooterHeight,
+ StatusBarHeight and Backgroud. And, it will reserve Screen for Statement.
+
+ @param[in] FormData Form Data to be shown in Page.
+ @param[out] ScreenForStatement Screen to be used for Statement. (Prompt, Value and Help)
+
+ @return Status
+**/
+EFI_STATUS
+EFIAPI
+DisplayPageFrame (
+ IN FORM_DISPLAY_ENGINE_FORM *FormData,
+ OUT EFI_SCREEN_DESCRIPTOR *ScreenForStatement
+ )
+{
+ EFI_STATUS Status;
+
+ ASSERT (FormData != NULL && ScreenForStatement != NULL);
+ if (FormData == NULL || ScreenForStatement == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Status = ScreenDiemensionInfoValidate (FormData);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ gClassOfVfr = FORMSET_CLASS_PLATFORM_SETUP;
+
+ ProcessExternedOpcode(FormData);
+
+ //
+ // Calculate the ScreenForStatement.
+ //
+ ScreenForStatement->BottomRow = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - gFooterHeight;
+ if (gClassOfVfr == FORMSET_CLASS_FRONT_PAGE) {
+ ScreenForStatement->TopRow = gScreenDimensions.TopRow + FRONT_PAGE_HEADER_HEIGHT;
+ } else {
+ ScreenForStatement->TopRow = gScreenDimensions.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT;
+ }
+ ScreenForStatement->LeftColumn = gScreenDimensions.LeftColumn;
+ ScreenForStatement->RightColumn = gScreenDimensions.RightColumn;
+
+ if ((gLibIsFirstForm) || ((FormData->Attribute & HII_DISPLAY_MODAL) != 0)) {
+ //
+ // Ensure we are in Text mode
+ //
+ gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
+ ClearLines (0, gScreenDimensions.RightColumn, 0, gScreenDimensions.BottomRow, KEYHELP_BACKGROUND);
+ gLibIsFirstForm = FALSE;
+ }
+
+ //
+ // Don't print frame for modal form.
+ //
+ if ((FormData->Attribute & HII_DISPLAY_MODAL) != 0) {
+ return EFI_SUCCESS;
+ }
+
+ if (gClassOfVfr == FORMSET_CLASS_FRONT_PAGE) {
+ PrintBannerInfo (FormData);
+ }
+
+ PrintFramework (FormData);
+
+ UpdateStatusBar(NV_UPDATE_REQUIRED, FormData->SettingChangedFlag);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ This function updates customized key panel's help information.
+ The library will prepare those Strings for the basic key, ESC, Enter, Up/Down/Left/Right, +/-.
+ and arrange them in Footer panel.
+
+ @param[in] FormData Form Data to be shown in Page. FormData has the highlighted statement.
+ @param[in] Statement The statement current selected.
+ @param[in] Selected Whether or not a tag be selected. TRUE means Enter has hit this question.
+**/
+VOID
+EFIAPI
+RefreshKeyHelp (
+ IN FORM_DISPLAY_ENGINE_FORM *FormData,
+ IN FORM_DISPLAY_ENGINE_STATEMENT *Statement,
+ IN BOOLEAN Selected
+ )
+{
+ UINTN SecCol;
+ UINTN ThdCol;
+ UINTN LeftColumnOfHelp;
+ UINTN RightColumnOfHelp;
+ UINTN TopRowOfHelp;
+ UINTN BottomRowOfHelp;
+ UINTN StartColumnOfHelp;
+ EFI_IFR_NUMERIC *NumericOp;
+ EFI_IFR_DATE *DateOp;
+ EFI_IFR_TIME *TimeOp;
+ BOOLEAN HexDisplay;
+
+ ASSERT (FormData != NULL);
+ if (FormData == NULL) {
+ return;
+ }
+
+ gST->ConOut->SetAttribute (gST->ConOut, KEYHELP_TEXT | KEYHELP_BACKGROUND);
+
+ if ((FormData->Attribute & HII_DISPLAY_MODAL) != 0) {
+ return;
+ }
+
+ SecCol = gScreenDimensions.LeftColumn + (gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn) / 3;
+ ThdCol = gScreenDimensions.LeftColumn + (gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn) / 3 * 2;
+
+ StartColumnOfHelp = gScreenDimensions.LeftColumn + 2;
+ LeftColumnOfHelp = gScreenDimensions.LeftColumn + 1;
+ RightColumnOfHelp = gScreenDimensions.RightColumn - 2;
+ TopRowOfHelp = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - gFooterHeight + 1;
+ BottomRowOfHelp = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - 2;
+
+ ClearLines (LeftColumnOfHelp, RightColumnOfHelp, TopRowOfHelp, BottomRowOfHelp, KEYHELP_TEXT | KEYHELP_BACKGROUND);
+ if (Statement == NULL) {
+ //
+ // Print Key for Form without showable statement.
+ //
+ PrintHotKeyHelpString (FormData);
+ PrintStringAt (ThdCol, BottomRowOfHelp, gEscapeString);
+ return;
+ }
+
+ HexDisplay = FALSE;
+ NumericOp = NULL;
+ DateOp = NULL;
+ TimeOp = NULL;
+ if (Statement->OpCode->OpCode == EFI_IFR_NUMERIC_OP) {
+ NumericOp = (EFI_IFR_NUMERIC *) Statement->OpCode;
+ HexDisplay = (NumericOp->Flags & EFI_IFR_DISPLAY_UINT_HEX) == EFI_IFR_DISPLAY_UINT_HEX;
+ } else if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP) {
+ DateOp = (EFI_IFR_DATE *) Statement->OpCode;
+ HexDisplay = (DateOp->Flags & EFI_IFR_DISPLAY_UINT_HEX) == EFI_IFR_DISPLAY_UINT_HEX;
+ } else if (Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {
+ TimeOp = (EFI_IFR_TIME *) Statement->OpCode;
+ HexDisplay = (TimeOp->Flags & EFI_IFR_DISPLAY_UINT_HEX) == EFI_IFR_DISPLAY_UINT_HEX;
+ }
+ switch (Statement->OpCode->OpCode) {
+ case EFI_IFR_ORDERED_LIST_OP:
+ case EFI_IFR_ONE_OF_OP:
+ case EFI_IFR_NUMERIC_OP:
+ case EFI_IFR_TIME_OP:
+ case EFI_IFR_DATE_OP:
+ if (!Selected) {
+ PrintHotKeyHelpString (FormData);
+
+ if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {
+ PrintStringAt (ThdCol, BottomRowOfHelp, gEscapeString);
+ }
+
+ if ((Statement->OpCode->OpCode == EFI_IFR_DATE_OP) ||
+ (Statement->OpCode->OpCode == EFI_IFR_TIME_OP)) {
+ PrintAt (
+ 0,
+ StartColumnOfHelp,
+ BottomRowOfHelp,
+ L"%c%c%c%c%s",
+ ARROW_UP,
+ ARROW_DOWN,
+ ARROW_RIGHT,
+ ARROW_LEFT,
+ gMoveHighlight
+ );
+ PrintStringAt (SecCol, BottomRowOfHelp, gEnterString);
+ PrintStringAt (StartColumnOfHelp, TopRowOfHelp, gAdjustNumber);
+ } else {
+ PrintAt (0, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);
+ if (Statement->OpCode->OpCode == EFI_IFR_NUMERIC_OP && NumericOp != NULL && LibGetFieldFromNum(Statement->OpCode) != 0) {
+ PrintStringAt (StartColumnOfHelp, TopRowOfHelp, gAdjustNumber);
+ }
+ PrintStringAt (SecCol, BottomRowOfHelp, gEnterString);
+ }
+ } else {
+ PrintStringAt (SecCol, BottomRowOfHelp, gEnterCommitString);
+
+ //
+ // If it is a selected numeric with manual input, display different message
+ //
+ if ((Statement->OpCode->OpCode == EFI_IFR_NUMERIC_OP) ||
+ (Statement->OpCode->OpCode == EFI_IFR_DATE_OP) ||
+ (Statement->OpCode->OpCode == EFI_IFR_TIME_OP)) {
+ PrintStringAt (
+ SecCol,
+ TopRowOfHelp,
+ HexDisplay ? gHexNumericInput : gDecNumericInput
+ );
+ } else if (Statement->OpCode->OpCode != EFI_IFR_ORDERED_LIST_OP) {
+ PrintAt (0, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);
+ }
+
+ if (Statement->OpCode->OpCode == EFI_IFR_ORDERED_LIST_OP) {
+ PrintStringAt (StartColumnOfHelp, TopRowOfHelp, gPlusString);
+ PrintStringAt (ThdCol, TopRowOfHelp, gMinusString);
+ }
+
+ PrintStringAt (ThdCol, BottomRowOfHelp, gEnterEscapeString);
+ }
+ break;
+
+ case EFI_IFR_CHECKBOX_OP:
+ PrintHotKeyHelpString (FormData);
+
+ if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {
+ PrintStringAt (ThdCol, BottomRowOfHelp, gEscapeString);
+ }
+
+ PrintAt (0, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);
+ PrintStringAt (SecCol, BottomRowOfHelp, gToggleCheckBox);
+ break;
+
+ case EFI_IFR_REF_OP:
+ case EFI_IFR_PASSWORD_OP:
+ case EFI_IFR_STRING_OP:
+ case EFI_IFR_TEXT_OP:
+ case EFI_IFR_ACTION_OP:
+ case EFI_IFR_RESET_BUTTON_OP:
+ case EFI_IFR_SUBTITLE_OP:
+ if (!Selected) {
+ PrintHotKeyHelpString (FormData);
+
+ if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {
+ PrintStringAt (ThdCol, BottomRowOfHelp, gEscapeString);
+ }
+
+ PrintAt (0, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);
+ if (Statement->OpCode->OpCode != EFI_IFR_TEXT_OP && Statement->OpCode->OpCode != EFI_IFR_SUBTITLE_OP) {
+ PrintStringAt (SecCol, BottomRowOfHelp, gEnterString);
+ }
+ } else {
+ if (Statement->OpCode->OpCode != EFI_IFR_REF_OP) {
+ PrintStringAt (
+ (gScreenDimensions.RightColumn - LibGetStringWidth (gEnterCommitString) / 2) / 2,
+ BottomRowOfHelp,
+ gEnterCommitString
+ );
+ PrintStringAt (ThdCol, BottomRowOfHelp, gEnterEscapeString);
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/**
+ Update status bar.
+
+ This function updates the status bar on the bottom of menu screen. It just shows StatusBar.
+ Original logic in this function should be splitted out.
+
+ @param[in] MessageType The type of message to be shown. InputError or Configuration Changed.
+ @param[in] State Show or Clear Message.
+**/
+VOID
+EFIAPI
+UpdateStatusBar (
+ IN UINTN MessageType,
+ IN BOOLEAN State
+ )
+{
+ UINTN Index;
+ CHAR16 OptionWidth;
+
+ OptionWidth = (CHAR16) ((gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn) / 3);
+
+ switch (MessageType) {
+ case INPUT_ERROR:
+ if (State) {
+ gST->ConOut->SetAttribute (gST->ConOut, ERROR_TEXT);
+ PrintStringAt (
+ gScreenDimensions.LeftColumn + OptionWidth,
+ gScreenDimensions.BottomRow - 1,
+ gInputErrorMessage
+ );
+ } else {
+ gST->ConOut->SetAttribute (gST->ConOut, KEYHELP_BACKGROUND);
+ for (Index = 0; Index < (LibGetStringWidth (gInputErrorMessage) - 2) / 2; Index++) {
+ PrintStringAt (gScreenDimensions.LeftColumn + OptionWidth + Index, gScreenDimensions.BottomRow - 1, L" ");
+ }
+ }
+ break;
+
+ case NV_UPDATE_REQUIRED:
+ //
+ // Global setting support. Show configuration change on every form.
+ //
+ if (State) {
+ gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT);
+ PrintStringAt (
+ gScreenDimensions.LeftColumn + OptionWidth * 2,
+ gScreenDimensions.BottomRow - 1,
+ gNvUpdateMessage
+ );
+ } else {
+ gST->ConOut->SetAttribute (gST->ConOut, KEYHELP_BACKGROUND);
+ for (Index = 0; Index < (LibGetStringWidth (gNvUpdateMessage) - 2) / 2; Index++) {
+ PrintStringAt (
+ (gScreenDimensions.LeftColumn + OptionWidth * 2 + Index),
+ gScreenDimensions.BottomRow - 1,
+ L" "
+ );
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/**
+ Create popup window. It will replace CreateDialog().
+
+ This function draws OEM/Vendor specific pop up windows.
+
+ @param[out] Key User Input Key
+ @param ... String to be shown in Popup. The variable argument list is terminated by a NULL.
+
+**/
+VOID
+EFIAPI
+CreateDialog (
+ OUT EFI_INPUT_KEY *Key, OPTIONAL
+ ...
+ )
+{
+ VA_LIST Marker;
+ EFI_INPUT_KEY KeyValue;
+ EFI_STATUS Status;
+ UINTN LargestString;
+ UINTN LineNum;
+ UINTN Index;
+ UINTN Count;
+ CHAR16 Character;
+ UINTN Start;
+ UINTN End;
+ UINTN Top;
+ UINTN Bottom;
+ CHAR16 *String;
+ UINTN DimensionsWidth;
+ UINTN DimensionsHeight;
+ UINTN CurrentAttribute;
+
+ //
+ // If screen dimension info is not ready, get it from console.
+ //
+ if (gScreenDimensions.RightColumn == 0 || gScreenDimensions.BottomRow == 0) {
+ ZeroMem (&gScreenDimensions, sizeof (EFI_SCREEN_DESCRIPTOR));
+ gST->ConOut->QueryMode (
+ gST->ConOut,
+ gST->ConOut->Mode->Mode,
+ &gScreenDimensions.RightColumn,
+ &gScreenDimensions.BottomRow
+ );
+ }
+
+ DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;
+ DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;
+
+ LargestString = 0;
+ LineNum = 0;
+ VA_START (Marker, Key);
+ while ((String = VA_ARG (Marker, CHAR16 *)) != NULL) {
+ LineNum ++;
+
+ if ((LibGetStringWidth (String) / 2) > LargestString) {
+ LargestString = (LibGetStringWidth (String) / 2);
+ }
+ }
+ VA_END (Marker);
+
+ if ((LargestString + 2) > DimensionsWidth) {
+ LargestString = DimensionsWidth - 2;
+ }
+
+ CurrentAttribute = gST->ConOut->Mode->Attribute;
+ gST->ConOut->EnableCursor (gST->ConOut, FALSE);
+ gST->ConOut->SetAttribute (gST->ConOut, GetPopupColor ());
+
+ //
+ // Subtract the PopUp width from total Columns, allow for one space extra on
+ // each end plus a border.
+ //
+ Start = (DimensionsWidth - LargestString - 2) / 2 + gScreenDimensions.LeftColumn + 1;
+ End = Start + LargestString + 1;
+
+ Top = ((DimensionsHeight - LineNum - 2) / 2) + gScreenDimensions.TopRow - 1;
+ Bottom = Top + LineNum + 2;
+
+ Character = BOXDRAW_DOWN_RIGHT;
+ PrintCharAt (Start, Top, Character);
+ Character = BOXDRAW_HORIZONTAL;
+ for (Index = Start; Index + 2 < End; Index++) {
+ PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
+ }
+
+ Character = BOXDRAW_DOWN_LEFT;
+ PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
+ Character = BOXDRAW_VERTICAL;
+
+ Count = 0;
+ VA_START (Marker, Key);
+ for (Index = Top; Index + 2 < Bottom; Index++, Count++) {
+ String = VA_ARG (Marker, CHAR16*);
+
+ if (String[0] == CHAR_NULL) {
+ //
+ // Passing in a NULL results in a blank space
+ //
+ ClearLines (Start, End, Index + 1, Index + 1, GetPopupColor ());
+ } else if (String[0] == L' ') {
+ //
+ // Passing in a space results in the assumption that this is where typing will occur
+ //
+ ClearLines (Start + 1, End - 1, Index + 1, Index + 1, POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND);
+ PrintStringAt (
+ ((DimensionsWidth - LibGetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1,
+ Index + 1,
+ String + 1
+ );
+ } else {
+ //
+ // This will clear the background of the line - we never know who might have been
+ // here before us. This differs from the next clear in that it used the non-reverse
+ // video for normal printing.
+ //
+ ClearLines (Start, End, Index + 1, Index + 1, GetPopupColor ());
+ PrintStringAt (
+ ((DimensionsWidth - LibGetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1,
+ Index + 1,
+ String
+ );
+ }
+
+ gST->ConOut->SetAttribute (gST->ConOut, GetPopupColor ());
+ PrintCharAt (Start, Index + 1, Character);
+ PrintCharAt (End - 1, Index + 1, Character);
+ }
+ VA_END (Marker);
+
+ Character = BOXDRAW_UP_RIGHT;
+ PrintCharAt (Start, Bottom - 1, Character);
+ Character = BOXDRAW_HORIZONTAL;
+ for (Index = Start; Index + 2 < End; Index++) {
+ PrintCharAt ((UINTN)-1, (UINTN) -1, Character);
+ }
+
+ Character = BOXDRAW_UP_LEFT;
+ PrintCharAt ((UINTN)-1, (UINTN) -1, Character);
+
+ if (Key != NULL) {
+ Status = WaitForKeyStroke (&KeyValue);
+ ASSERT_EFI_ERROR (Status);
+ CopyMem (Key, &KeyValue, sizeof (EFI_INPUT_KEY));
+ }
+
+ gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);
+ gST->ConOut->EnableCursor (gST->ConOut, TRUE);
+}
+
+/**
+ Confirm how to handle the changed data.
+
+ @return Action BROWSER_ACTION_SUBMIT, BROWSER_ACTION_DISCARD or other values.
+**/
+UINTN
+EFIAPI
+ConfirmDataChange (
+ VOID
+ )
+{
+ CHAR16 YesResponse;
+ CHAR16 NoResponse;
+ EFI_INPUT_KEY Key;
+
+ gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
+
+ YesResponse = gYesResponse[0];
+ NoResponse = gNoResponse[0];
+
+ //
+ // If NV flag is up, prompt user
+ //
+ do {
+ CreateDialog (&Key, gLibEmptyString, gSaveChanges, gAreYouSure, gLibEmptyString, NULL);
+ } while
+ (
+ (Key.ScanCode != SCAN_ESC) &&
+ ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (NoResponse | UPPER_LOWER_CASE_OFFSET)) &&
+ ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (YesResponse | UPPER_LOWER_CASE_OFFSET))
+ );
+
+ if (Key.ScanCode == SCAN_ESC) {
+ return BROWSER_ACTION_NONE;
+ } else if ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (YesResponse | UPPER_LOWER_CASE_OFFSET)) {
+ return BROWSER_ACTION_SUBMIT;
+ } else {
+ return BROWSER_ACTION_DISCARD;
+ }
+}
+
+/**
+ OEM specifies whether Setup exits Page by ESC key.
+
+ This function customized the behavior that whether Setup exits Page so that
+ system able to boot when configuration is not changed.
+
+ @retval TRUE Exits FrontPage
+ @retval FALSE Don't exit FrontPage.
+**/
+BOOLEAN
+EFIAPI
+FormExitPolicy (
+ VOID
+ )
+{
+ return gClassOfVfr == FORMSET_CLASS_FRONT_PAGE ? FALSE : TRUE;
+}
+
+/**
+ Set Timeout value for a ceratain Form to get user response.
+
+ This function allows to set timeout value on a ceratain form if necessary.
+ If timeout is not zero, the form will exit if user has no response in timeout.
+
+ @param[in] FormData Form Data to be shown in Page
+
+ @return 0 No timeout for this form.
+ @return > 0 Timeout value in 100 ns units.
+**/
+UINT64
+EFIAPI
+FormExitTimeout (
+ IN FORM_DISPLAY_ENGINE_FORM *FormData
+ )
+{
+ return 0;
+}
+//
+// Print Functions
+//
+/**
+ Prints a unicode string to the default console, at
+ the supplied cursor position, using L"%s" format.
+
+ @param Column The cursor position to print the string at. When it is -1, use current Position.
+ @param Row The cursor position to print the string at. When it is -1, use current Position.
+ @param String String pointer.
+
+ @return Length of string printed to the console
+
+**/
+UINTN
+EFIAPI
+PrintStringAt (
+ IN UINTN Column,
+ IN UINTN Row,
+ IN CHAR16 *String
+ )
+{
+ return PrintAt (0, Column, Row, L"%s", String);
+}
+
+/**
+ Prints a unicode string to the default console, at
+ the supplied cursor position, using L"%s" format.
+
+ @param Column The cursor position to print the string at. When it is -1, use current Position.
+ @param Row The cursor position to print the string at. When it is -1, use current Position.
+ @param String String pointer.
+ @param Width Width for String.
+
+ @return Length of string printed to the console
+
+**/
+UINTN
+EFIAPI
+PrintStringAtWithWidth (
+ IN UINTN Column,
+ IN UINTN Row,
+ IN CHAR16 *String,
+ IN UINTN Width
+ )
+{
+ return PrintAt (Width, Column, Row, L"%s", String);
+}
+
+/**
+ Prints a chracter to the default console, at
+ the supplied cursor position, using L"%c" format.
+
+ @param Column The cursor position to print the string at. When it is -1, use current Position.
+ @param Row The cursor position to print the string at. When it is -1, use current Position.
+ @param Character Character to print.
+
+ @return Length of string printed to the console.
+
+**/
+UINTN
+EFIAPI
+PrintCharAt (
+ IN UINTN Column,
+ IN UINTN Row,
+ CHAR16 Character
+ )
+{
+ return PrintAt (0, Column, Row, L"%c", Character);
+}
+
+/**
+ Clear retangle with specified text attribute.
+
+ @param LeftColumn Left column of retangle.
+ @param RightColumn Right column of retangle.
+ @param TopRow Start row of retangle.
+ @param BottomRow End row of retangle.
+ @param TextAttribute The character foreground and background.
+
+**/
+VOID
+EFIAPI
+ClearLines (
+ IN UINTN LeftColumn,
+ IN UINTN RightColumn,
+ IN UINTN TopRow,
+ IN UINTN BottomRow,
+ IN UINTN TextAttribute
+ )
+{
+ CHAR16 *Buffer;
+ UINTN Row;
+
+ //
+ // For now, allocate an arbitrarily long buffer
+ //
+ Buffer = AllocateZeroPool (0x10000);
+ ASSERT (Buffer != NULL);
+
+ //
+ // Set foreground and background as defined
+ //
+ gST->ConOut->SetAttribute (gST->ConOut, TextAttribute);
+
+ //
+ // Much faster to buffer the long string instead of print it a character at a time
+ //
+ LibSetUnicodeMem (Buffer, RightColumn - LeftColumn, L' ');
+
+ //
+ // Clear the desired area with the appropriate foreground/background
+ //
+ for (Row = TopRow; Row <= BottomRow; Row++) {
+ PrintStringAt (LeftColumn, Row, Buffer);
+ }
+
+ gST->ConOut->SetCursorPosition (gST->ConOut, LeftColumn, TopRow);
+
+ FreePool (Buffer);
+}
+
+//
+// Color Setting Functions
+//
+
+/**
+ Get OEM/Vendor specific popup attribute colors.
+
+ @retval Byte code color setting for popup color.
+**/
+UINT8
+EFIAPI
+GetPopupColor (
+ VOID
+ )
+{
+ return POPUP_TEXT | POPUP_BACKGROUND;
+}
+
+/**
+ Get OEM/Vendor specific popup attribute colors.
+
+ @retval Byte code color setting for popup inverse color.
+**/
+UINT8
+EFIAPI
+GetPopupInverseColor (
+ VOID
+ )
+{
+ return POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND;
+}
+
+/**
+ Get OEM/Vendor specific PickList color attribute.
+
+ @retval Byte code color setting for pick list color.
+**/
+UINT8
+EFIAPI
+GetPickListColor (
+ VOID
+ )
+{
+ return PICKLIST_HIGHLIGHT_TEXT | PICKLIST_HIGHLIGHT_BACKGROUND;
+}
+
+/**
+ Get OEM/Vendor specific arrow color attribute.
+
+ @retval Byte code color setting for arrow color.
+**/
+UINT8
+EFIAPI
+GetArrowColor (
+ VOID
+ )
+{
+ return ARROW_TEXT | ARROW_BACKGROUND;
+}
+
+/**
+ Get OEM/Vendor specific info text color attribute.
+
+ @retval Byte code color setting for info text color.
+**/
+UINT8
+EFIAPI
+GetInfoTextColor (
+ VOID
+ )
+{
+ return INFO_TEXT | FIELD_BACKGROUND;
+}
+
+/**
+ Get OEM/Vendor specific help text color attribute.
+
+ @retval Byte code color setting for help text color.
+**/
+UINT8
+EFIAPI
+GetHelpTextColor (
+ VOID
+ )
+{
+ return HELP_TEXT | FIELD_BACKGROUND;
+}
+
+/**
+ Get OEM/Vendor specific grayed out text color attribute.
+
+ @retval Byte code color setting for grayed out text color.
+**/
+UINT8
+EFIAPI
+GetGrayedTextColor (
+ VOID
+ )
+{
+ return FIELD_TEXT_GRAYED | FIELD_BACKGROUND;
+}
+
+/**
+ Get OEM/Vendor specific highlighted text color attribute.
+
+ @retval Byte code color setting for highlight text color.
+**/
+UINT8
+EFIAPI
+GetHighlightTextColor (
+ VOID
+ )
+{
+ return PcdGet8 (PcdBrowserFieldTextHighlightColor) | PcdGet8 (PcdBrowserFieldBackgroundHighlightColor);
+}
+
+/**
+ Get OEM/Vendor specific field text color attribute.
+
+ @retval Byte code color setting for field text color.
+**/
+UINT8
+EFIAPI
+GetFieldTextColor (
+ VOID
+ )
+{
+ return PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND;
+}
+
+/**
+ Get OEM/Vendor specific subtitle text color attribute.
+
+ @retval Byte code color setting for subtitle text color.
+**/
+UINT8
+EFIAPI
+GetSubTitleTextColor (
+ VOID
+ )
+{
+ return PcdGet8 (PcdBrowserSubtitleTextColor) | FIELD_BACKGROUND;
+}
+
+/**
+ Clear Screen to the initial state.
+**/
+VOID
+EFIAPI
+ClearDisplayPage (
+ VOID
+ )
+{
+ gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
+ gST->ConOut->ClearScreen (gST->ConOut);
+ gLibIsFirstForm = TRUE;
+}
+
+/**
+ Constructor of Customized Display Library Instance.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+CustomizedDisplayLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ mCDLStringPackHandle = HiiAddPackages (&gCustomizedDisplayLibGuid, ImageHandle, CustomizedDisplayLibStrings, NULL);
+ ASSERT (mCDLStringPackHandle != NULL);
+
+ InitializeLibStrings();
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Destructor of Customized Display Library Instance.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The destructor completed successfully.
+ @retval Other value The destructor did not complete successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+CustomizedDisplayLibDestructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ HiiRemovePackages(mCDLStringPackHandle);
+
+ FreeLibStrings ();
+
+ return EFI_SUCCESS;
+}
+
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