[mirror_edk2.git] / MdeModulePkg / Library / CustomizedDisplayLib / CustomizedDisplayLib.c

/** @file\r
\r
  This library class defines a set of interfaces to customize Display module\r
\r
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
#include "CustomizedDisplayLibInternal.h"\r
\r
EFI_GUID  gCustomizedDisplayLibGuid = {\r
  0x99fdc8fd, 0x849b, 0x4eba, { 0xad, 0x13, 0xfb, 0x96, 0x99, 0xc9, 0xa, 0x4d }\r
};\r
\r
EFI_HII_HANDLE  mCDLStringPackHandle;\r
UINT16          gClassOfVfr;                   // Formset class information\r
BOOLEAN         gLibIsFirstForm = TRUE;\r
BANNER_DATA     *gBannerData;\r
\r
UINTN  gFooterHeight;\r
\r
/**\r
+------------------------------------------------------------------------------+\r
|                                 Setup Page                                   |\r
+------------------------------------------------------------------------------+\r
\r
Statement\r
Statement\r
Statement\r
\r
\r
\r
\r
\r
+------------------------------------------------------------------------------+\r
|                                F9=Reset to Defaults        F10=Save          |\r
| ^"=Move Highlight          <Spacebar> Toggles Checkbox     Esc=Exit          |\r
+------------------------------------------------------------------------------+\r
  StatusBar\r
**/\r
\r
/**\r
  This funtion defines Page Frame and Backgroud.\r
\r
  Based on the above layout, it will be responsible for HeaderHeight, FooterHeight,\r
  StatusBarHeight and Backgroud. And, it will reserve Screen for Statement.\r
\r
  @param[in]  FormData             Form Data to be shown in Page.\r
  @param[out] ScreenForStatement   Screen to be used for Statement. (Prompt, Value and Help)\r
\r
  @return Status\r
**/\r
EFI_STATUS\r
EFIAPI\r
DisplayPageFrame (\r
  IN FORM_DISPLAY_ENGINE_FORM  *FormData,\r
  OUT EFI_SCREEN_DESCRIPTOR    *ScreenForStatement\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  ASSERT (FormData != NULL && ScreenForStatement != NULL);\r
  if ((FormData == NULL) || (ScreenForStatement == NULL)) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  Status = ScreenDiemensionInfoValidate (FormData);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  gClassOfVfr = FORMSET_CLASS_PLATFORM_SETUP;\r
\r
  ProcessExternedOpcode (FormData);\r
\r
  //\r
  // Calculate the ScreenForStatement.\r
  //\r
  ScreenForStatement->BottomRow = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - gFooterHeight;\r
  if (gClassOfVfr == FORMSET_CLASS_FRONT_PAGE) {\r
    ScreenForStatement->TopRow = gScreenDimensions.TopRow + FRONT_PAGE_HEADER_HEIGHT;\r
  } else {\r
    ScreenForStatement->TopRow = gScreenDimensions.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT;\r
  }\r
\r
  ScreenForStatement->LeftColumn  = gScreenDimensions.LeftColumn;\r
  ScreenForStatement->RightColumn = gScreenDimensions.RightColumn;\r
\r
  if ((gLibIsFirstForm) || ((FormData->Attribute & HII_DISPLAY_MODAL) != 0)) {\r
    //\r
    // Ensure we are in Text mode\r
    //\r
    gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r
    ClearLines (0, gScreenDimensions.RightColumn, 0, gScreenDimensions.BottomRow, KEYHELP_BACKGROUND);\r
    gLibIsFirstForm = FALSE;\r
  }\r
\r
  //\r
  // Don't print frame for modal form.\r
  //\r
  if ((FormData->Attribute & HII_DISPLAY_MODAL) != 0) {\r
    return EFI_SUCCESS;\r
  }\r
\r
  if (gClassOfVfr == FORMSET_CLASS_FRONT_PAGE) {\r
    PrintBannerInfo (FormData);\r
  }\r
\r
  PrintFramework (FormData);\r
\r
  UpdateStatusBar (NV_UPDATE_REQUIRED, FormData->SettingChangedFlag);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  This function updates customized key panel's help information.\r
  The library will prepare those Strings for the basic key, ESC, Enter, Up/Down/Left/Right, +/-.\r
  and arrange them in Footer panel.\r
\r
  @param[in]  FormData       Form Data to be shown in Page. FormData has the highlighted statement.\r
  @param[in]  Statement      The statement current selected.\r
  @param[in]  Selected       Whether or not a tag be selected. TRUE means Enter has hit this question.\r
**/\r
VOID\r
EFIAPI\r
RefreshKeyHelp (\r
  IN FORM_DISPLAY_ENGINE_FORM       *FormData,\r
  IN FORM_DISPLAY_ENGINE_STATEMENT  *Statement,\r
  IN  BOOLEAN                       Selected\r
  )\r
{\r
  UINTN            SecCol;\r
  UINTN            ThdCol;\r
  UINTN            RightColumnOfHelp;\r
  UINTN            TopRowOfHelp;\r
  UINTN            BottomRowOfHelp;\r
  UINTN            StartColumnOfHelp;\r
  EFI_IFR_NUMERIC  *NumericOp;\r
  EFI_IFR_DATE     *DateOp;\r
  EFI_IFR_TIME     *TimeOp;\r
  BOOLEAN          HexDisplay;\r
  UINTN            ColumnWidth1;\r
  UINTN            ColumnWidth2;\r
  UINTN            ColumnWidth3;\r
  CHAR16           *ColumnStr1;\r
  CHAR16           *ColumnStr2;\r
  CHAR16           *ColumnStr3;\r
\r
  ASSERT (FormData != NULL);\r
  if (FormData == NULL) {\r
    return;\r
  }\r
\r
  gST->ConOut->SetAttribute (gST->ConOut, KEYHELP_TEXT | KEYHELP_BACKGROUND);\r
\r
  if ((FormData->Attribute & HII_DISPLAY_MODAL) != 0) {\r
    return;\r
  }\r
\r
  SecCol = gScreenDimensions.LeftColumn + (gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn) / 3;\r
  ThdCol = gScreenDimensions.LeftColumn + (gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn) / 3 * 2;\r
\r
  //\r
  // + 2 means leave 1 space before the first hotkey info.\r
  //\r
  StartColumnOfHelp = gScreenDimensions.LeftColumn + 2;\r
  RightColumnOfHelp = gScreenDimensions.RightColumn - 1;\r
  TopRowOfHelp      = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - gFooterHeight + 1;\r
  BottomRowOfHelp   = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - 2;\r
\r
  ColumnWidth1 = SecCol - StartColumnOfHelp;\r
  ColumnWidth2 = ThdCol - SecCol;\r
  ColumnWidth3 = RightColumnOfHelp - ThdCol;\r
  ColumnStr1   = gLibEmptyString;\r
  ColumnStr2   = gLibEmptyString;\r
  ColumnStr3   = gLibEmptyString;\r
\r
  //\r
  // Clean the space at gScreenDimensions.LeftColumn + 1.\r
  //\r
  PrintStringAtWithWidth (StartColumnOfHelp - 1, BottomRowOfHelp, gLibEmptyString, 1);\r
  PrintStringAtWithWidth (StartColumnOfHelp - 1, TopRowOfHelp, gLibEmptyString, 1);\r
\r
  if (Statement == NULL) {\r
    //\r
    // Print Key for Form without showable statement.\r
    //\r
    PrintHotKeyHelpString (FormData, TRUE);\r
    PrintStringAtWithWidth (StartColumnOfHelp, BottomRowOfHelp, gLibEmptyString, ColumnWidth1);\r
    PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gLibEmptyString, ColumnWidth2);\r
    PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, gLibEmptyString, ColumnWidth1);\r
    if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {\r
      ColumnStr3 = gEscapeString;\r
    }\r
\r
    PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);\r
\r
    return;\r
  }\r
\r
  HexDisplay = FALSE;\r
  NumericOp  = NULL;\r
  DateOp     = NULL;\r
  TimeOp     = NULL;\r
  if (Statement->OpCode->OpCode == EFI_IFR_NUMERIC_OP) {\r
    NumericOp  = (EFI_IFR_NUMERIC *)Statement->OpCode;\r
    HexDisplay = (NumericOp->Flags & EFI_IFR_DISPLAY_UINT_HEX) == EFI_IFR_DISPLAY_UINT_HEX;\r
  } else if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP) {\r
    DateOp     = (EFI_IFR_DATE *)Statement->OpCode;\r
    HexDisplay = (DateOp->Flags & EFI_IFR_DISPLAY_UINT_HEX) == EFI_IFR_DISPLAY_UINT_HEX;\r
  } else if (Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {\r
    TimeOp     = (EFI_IFR_TIME *)Statement->OpCode;\r
    HexDisplay = (TimeOp->Flags & EFI_IFR_DISPLAY_UINT_HEX) == EFI_IFR_DISPLAY_UINT_HEX;\r
  }\r
\r
  switch (Statement->OpCode->OpCode) {\r
    case EFI_IFR_ORDERED_LIST_OP:\r
    case EFI_IFR_ONE_OF_OP:\r
    case EFI_IFR_NUMERIC_OP:\r
    case EFI_IFR_TIME_OP:\r
    case EFI_IFR_DATE_OP:\r
      if (!Selected) {\r
        PrintHotKeyHelpString (FormData, TRUE);\r
\r
        if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {\r
          ColumnStr3 = gEscapeString;\r
        }\r
\r
        PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);\r
\r
        if ((Statement->OpCode->OpCode == EFI_IFR_DATE_OP) ||\r
            (Statement->OpCode->OpCode == EFI_IFR_TIME_OP))\r
        {\r
          PrintAt (\r
            ColumnWidth1,\r
            StartColumnOfHelp,\r
            BottomRowOfHelp,\r
            L"%c%c%c%c%s",\r
            ARROW_UP,\r
            ARROW_DOWN,\r
            ARROW_RIGHT,\r
            ARROW_LEFT,\r
            gMoveHighlight\r
            );\r
          PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gEnterString, ColumnWidth2);\r
          PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, gAdjustNumber, ColumnWidth1);\r
        } else {\r
          PrintAt (ColumnWidth1, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);\r
          if ((Statement->OpCode->OpCode == EFI_IFR_NUMERIC_OP) && (NumericOp != NULL) && (LibGetFieldFromNum (Statement->OpCode) != 0)) {\r
            ColumnStr1 = gAdjustNumber;\r
          }\r
\r
          PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, ColumnStr1, ColumnWidth1);\r
          PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gEnterString, ColumnWidth2);\r
        }\r
      } else {\r
        PrintHotKeyHelpString (FormData, FALSE);\r
        PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gEnterCommitString, ColumnWidth2);\r
\r
        //\r
        // If it is a selected numeric with manual input, display different message\r
        //\r
        if ((Statement->OpCode->OpCode == EFI_IFR_NUMERIC_OP) ||\r
            (Statement->OpCode->OpCode == EFI_IFR_DATE_OP) ||\r
            (Statement->OpCode->OpCode == EFI_IFR_TIME_OP))\r
        {\r
          ColumnStr2 = HexDisplay ? gHexNumericInput : gDecNumericInput;\r
          PrintStringAtWithWidth (StartColumnOfHelp, BottomRowOfHelp, gLibEmptyString, ColumnWidth1);\r
        } else {\r
          PrintAt (ColumnWidth1, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);\r
        }\r
\r
        if (Statement->OpCode->OpCode == EFI_IFR_ORDERED_LIST_OP) {\r
          ColumnStr1 = gPlusString;\r
          ColumnStr3 = gMinusString;\r
        }\r
\r
        PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, ColumnStr1, ColumnWidth1);\r
        PrintStringAtWithWidth (ThdCol, TopRowOfHelp, ColumnStr3, ColumnWidth3);\r
        PrintStringAtWithWidth (SecCol, TopRowOfHelp, ColumnStr2, ColumnWidth2);\r
\r
        PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, gEnterEscapeString, ColumnWidth3);\r
      }\r
\r
      break;\r
\r
    case EFI_IFR_CHECKBOX_OP:\r
      PrintHotKeyHelpString (FormData, TRUE);\r
\r
      if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {\r
        ColumnStr3 = gEscapeString;\r
      }\r
\r
      PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);\r
\r
      PrintAt (ColumnWidth1, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);\r
      PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gToggleCheckBox, ColumnWidth2);\r
      PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, gLibEmptyString, ColumnWidth1);\r
      break;\r
\r
    case EFI_IFR_REF_OP:\r
    case EFI_IFR_PASSWORD_OP:\r
    case EFI_IFR_STRING_OP:\r
    case EFI_IFR_TEXT_OP:\r
    case EFI_IFR_ACTION_OP:\r
    case EFI_IFR_RESET_BUTTON_OP:\r
    case EFI_IFR_SUBTITLE_OP:\r
      if (!Selected) {\r
        PrintHotKeyHelpString (FormData, TRUE);\r
\r
        if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {\r
          ColumnStr3 = gEscapeString;\r
        }\r
\r
        PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);\r
\r
        PrintAt (ColumnWidth1, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);\r
        if ((Statement->OpCode->OpCode != EFI_IFR_TEXT_OP) && (Statement->OpCode->OpCode != EFI_IFR_SUBTITLE_OP)) {\r
          ColumnStr2 = gEnterString;\r
        }\r
\r
        PrintStringAtWithWidth (SecCol, BottomRowOfHelp, ColumnStr2, ColumnWidth2);\r
        PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, ColumnStr1, ColumnWidth1);\r
      } else {\r
        PrintHotKeyHelpString (FormData, FALSE);\r
        if (Statement->OpCode->OpCode != EFI_IFR_REF_OP) {\r
          ColumnStr2 = gEnterCommitString;\r
          ColumnStr3 = gEnterEscapeString;\r
        }\r
\r
        PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, ColumnStr1, ColumnWidth1);\r
        PrintStringAtWithWidth (StartColumnOfHelp, BottomRowOfHelp, ColumnStr1, ColumnWidth1);\r
        PrintStringAtWithWidth (SecCol, BottomRowOfHelp, ColumnStr2, ColumnWidth2);\r
        PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);\r
      }\r
\r
      break;\r
\r
    default:\r
      break;\r
  }\r
}\r
\r
/**\r
  Update status bar.\r
\r
  This function updates the status bar on the bottom of menu screen. It just shows StatusBar.\r
  Original logic in this function should be splitted out.\r
\r
  @param[in]  MessageType            The type of message to be shown. InputError or Configuration Changed.\r
  @param[in]  State                  Show or Clear Message.\r
**/\r
VOID\r
EFIAPI\r
UpdateStatusBar (\r
  IN  UINTN    MessageType,\r
  IN  BOOLEAN  State\r
  )\r
{\r
  UINTN   Index;\r
  CHAR16  OptionWidth;\r
\r
  OptionWidth = (CHAR16)((gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn) / 3);\r
\r
  switch (MessageType) {\r
    case INPUT_ERROR:\r
      if (State) {\r
        gST->ConOut->SetAttribute (gST->ConOut, ERROR_TEXT);\r
        PrintStringAt (\r
          gScreenDimensions.LeftColumn + OptionWidth,\r
          gScreenDimensions.BottomRow - 1,\r
          gInputErrorMessage\r
          );\r
      } else {\r
        gST->ConOut->SetAttribute (gST->ConOut, KEYHELP_BACKGROUND);\r
        for (Index = 0; Index < (LibGetStringWidth (gInputErrorMessage) - 2) / 2; Index++) {\r
          PrintStringAt (gScreenDimensions.LeftColumn + OptionWidth + Index, gScreenDimensions.BottomRow - 1, L"  ");\r
        }\r
      }\r
\r
      break;\r
\r
    case NV_UPDATE_REQUIRED:\r
      //\r
      // Global setting support. Show configuration change on every form.\r
      //\r
      if (State) {\r
        gST->ConOut->SetAttribute (gST->ConOut, INFO_TEXT);\r
        PrintStringAt (\r
          gScreenDimensions.LeftColumn + OptionWidth * 2,\r
          gScreenDimensions.BottomRow - 1,\r
          gNvUpdateMessage\r
          );\r
      } else {\r
        gST->ConOut->SetAttribute (gST->ConOut, KEYHELP_BACKGROUND);\r
        for (Index = 0; Index < (LibGetStringWidth (gNvUpdateMessage) - 2) / 2; Index++) {\r
          PrintStringAt (\r
            (gScreenDimensions.LeftColumn + OptionWidth * 2 + Index),\r
            gScreenDimensions.BottomRow - 1,\r
            L"  "\r
            );\r
        }\r
      }\r
\r
      break;\r
\r
    default:\r
      break;\r
  }\r
}\r
\r
/**\r
  Create popup window. It will replace CreateDialog().\r
\r
  This function draws OEM/Vendor specific pop up windows.\r
\r
  @param[out]  Key    User Input Key\r
  @param       ...    String to be shown in Popup. The variable argument list is terminated by a NULL.\r
\r
**/\r
VOID\r
EFIAPI\r
CreateDialog (\r
  OUT EFI_INPUT_KEY  *Key         OPTIONAL,\r
  ...\r
  )\r
{\r
  VA_LIST        Marker;\r
  EFI_INPUT_KEY  KeyValue;\r
  EFI_STATUS     Status;\r
  UINTN          LargestString;\r
  UINTN          LineNum;\r
  UINTN          Index;\r
  UINTN          Count;\r
  CHAR16         Character;\r
  UINTN          Start;\r
  UINTN          End;\r
  UINTN          Top;\r
  UINTN          Bottom;\r
  CHAR16         *String;\r
  UINTN          DimensionsWidth;\r
  UINTN          DimensionsHeight;\r
  UINTN          CurrentAttribute;\r
  BOOLEAN        CursorVisible;\r
\r
  //\r
  // If screen dimension info is not ready, get it from console.\r
  //\r
  if ((gScreenDimensions.RightColumn == 0) || (gScreenDimensions.BottomRow == 0)) {\r
    ZeroMem (&gScreenDimensions, sizeof (EFI_SCREEN_DESCRIPTOR));\r
    gST->ConOut->QueryMode (\r
                   gST->ConOut,\r
                   gST->ConOut->Mode->Mode,\r
                   &gScreenDimensions.RightColumn,\r
                   &gScreenDimensions.BottomRow\r
                   );\r
  }\r
\r
  DimensionsWidth  = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;\r
  DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;\r
\r
  LargestString = 0;\r
  LineNum       = 0;\r
  VA_START (Marker, Key);\r
  while ((String = VA_ARG (Marker, CHAR16 *)) != NULL) {\r
    LineNum++;\r
\r
    if ((LibGetStringWidth (String) / 2) > LargestString) {\r
      LargestString = (LibGetStringWidth (String) / 2);\r
    }\r
  }\r
\r
  VA_END (Marker);\r
\r
  if ((LargestString + 2) > DimensionsWidth) {\r
    LargestString = DimensionsWidth - 2;\r
  }\r
\r
  CurrentAttribute = gST->ConOut->Mode->Attribute;\r
  CursorVisible    = gST->ConOut->Mode->CursorVisible;\r
  gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r
  gST->ConOut->SetAttribute (gST->ConOut, GetPopupColor ());\r
\r
  //\r
  // Subtract the PopUp width from total Columns, allow for one space extra on\r
  // each end plus a border.\r
  //\r
  Start = (DimensionsWidth - LargestString - 2) / 2 + gScreenDimensions.LeftColumn + 1;\r
  End   = Start + LargestString + 1;\r
\r
  Top    = ((DimensionsHeight - LineNum - 2) / 2) + gScreenDimensions.TopRow - 1;\r
  Bottom = Top + LineNum + 2;\r
\r
  Character = BOXDRAW_DOWN_RIGHT;\r
  PrintCharAt (Start, Top, Character);\r
  Character = BOXDRAW_HORIZONTAL;\r
  for (Index = Start; Index + 2 < End; Index++) {\r
    PrintCharAt ((UINTN)-1, (UINTN)-1, Character);\r
  }\r
\r
  Character = BOXDRAW_DOWN_LEFT;\r
  PrintCharAt ((UINTN)-1, (UINTN)-1, Character);\r
  Character = BOXDRAW_VERTICAL;\r
\r
  Count = 0;\r
  VA_START (Marker, Key);\r
  for (Index = Top; Index + 2 < Bottom; Index++, Count++) {\r
    String = VA_ARG (Marker, CHAR16 *);\r
\r
    if (String[0] == CHAR_NULL) {\r
      //\r
      // Passing in a NULL results in a blank space\r
      //\r
      ClearLines (Start, End, Index + 1, Index + 1, GetPopupColor ());\r
    } else if (String[0] == L' ') {\r
      //\r
      // Passing in a space results in the assumption that this is where typing will occur\r
      //\r
      ClearLines (Start + 1, End - 1, Index + 1, Index + 1, POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND);\r
      PrintStringAt (\r
        ((DimensionsWidth - LibGetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1,\r
        Index + 1,\r
        String + 1\r
        );\r
    } else {\r
      //\r
      // This will clear the background of the line - we never know who might have been\r
      // here before us.  This differs from the next clear in that it used the non-reverse\r
      // video for normal printing.\r
      //\r
      ClearLines (Start, End, Index + 1, Index + 1, GetPopupColor ());\r
      PrintStringAt (\r
        ((DimensionsWidth - LibGetStringWidth (String) / 2) / 2) + gScreenDimensions.LeftColumn + 1,\r
        Index + 1,\r
        String\r
        );\r
    }\r
\r
    gST->ConOut->SetAttribute (gST->ConOut, GetPopupColor ());\r
    PrintCharAt (Start, Index + 1, Character);\r
    PrintCharAt (End - 1, Index + 1, Character);\r
  }\r
\r
  VA_END (Marker);\r
\r
  Character = BOXDRAW_UP_RIGHT;\r
  PrintCharAt (Start, Bottom - 1, Character);\r
  Character = BOXDRAW_HORIZONTAL;\r
  for (Index = Start; Index + 2 < End; Index++) {\r
    PrintCharAt ((UINTN)-1, (UINTN)-1, Character);\r
  }\r
\r
  Character = BOXDRAW_UP_LEFT;\r
  PrintCharAt ((UINTN)-1, (UINTN)-1, Character);\r
\r
  if (Key != NULL) {\r
    Status = WaitForKeyStroke (&KeyValue);\r
    ASSERT_EFI_ERROR (Status);\r
    CopyMem (Key, &KeyValue, sizeof (EFI_INPUT_KEY));\r
  }\r
\r
  gST->ConOut->SetAttribute (gST->ConOut, CurrentAttribute);\r
  gST->ConOut->EnableCursor (gST->ConOut, CursorVisible);\r
}\r
\r
/**\r
  Confirm how to handle the changed data.\r
\r
  @return Action BROWSER_ACTION_SUBMIT, BROWSER_ACTION_DISCARD or other values.\r
**/\r
UINTN\r
EFIAPI\r
ConfirmDataChange (\r
  VOID\r
  )\r
{\r
  CHAR16         YesResponse;\r
  CHAR16         NoResponse;\r
  EFI_INPUT_KEY  Key;\r
\r
  gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r
\r
  YesResponse = gYesResponse[0];\r
  NoResponse  = gNoResponse[0];\r
\r
  //\r
  // If NV flag is up, prompt user\r
  //\r
  do {\r
    CreateDialog (&Key, gLibEmptyString, gSaveChanges, gAreYouSure, gLibEmptyString, NULL);\r
  } while\r
  (\r
   (Key.ScanCode != SCAN_ESC) &&\r
   ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (NoResponse | UPPER_LOWER_CASE_OFFSET)) &&\r
   ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) != (YesResponse | UPPER_LOWER_CASE_OFFSET))\r
  );\r
\r
  if (Key.ScanCode == SCAN_ESC) {\r
    return BROWSER_ACTION_NONE;\r
  } else if ((Key.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (YesResponse | UPPER_LOWER_CASE_OFFSET)) {\r
    return BROWSER_ACTION_SUBMIT;\r
  } else {\r
    return BROWSER_ACTION_DISCARD;\r
  }\r
}\r
\r
/**\r
  OEM specifies whether Setup exits Page by ESC key.\r
\r
  This function customized the behavior that whether Setup exits Page so that\r
  system able to boot when configuration is not changed.\r
\r
  @retval  TRUE     Exits FrontPage\r
  @retval  FALSE    Don't exit FrontPage.\r
**/\r
BOOLEAN\r
EFIAPI\r
FormExitPolicy (\r
  VOID\r
  )\r
{\r
  return gClassOfVfr == FORMSET_CLASS_FRONT_PAGE ? FALSE : TRUE;\r
}\r
\r
/**\r
  Set Timeout value for a ceratain Form to get user response.\r
\r
  This function allows to set timeout value on a ceratain form if necessary.\r
  If timeout is not zero, the form will exit if user has no response in timeout.\r
\r
  @param[in]  FormData   Form Data to be shown in Page\r
\r
  @return 0     No timeout for this form.\r
  @return > 0   Timeout value in 100 ns units.\r
**/\r
UINT64\r
EFIAPI\r
FormExitTimeout (\r
  IN FORM_DISPLAY_ENGINE_FORM  *FormData\r
  )\r
{\r
  return 0;\r
}\r
\r
//\r
// Print Functions\r
//\r
\r
/**\r
  Prints a unicode string to the default console, at\r
  the supplied cursor position, using L"%s" format.\r
\r
  @param  Column     The cursor position to print the string at. When it is -1, use current Position.\r
  @param  Row        The cursor position to print the string at. When it is -1, use current Position.\r
  @param  String     String pointer.\r
\r
  @return Length of string printed to the console\r
\r
**/\r
UINTN\r
EFIAPI\r
PrintStringAt (\r
  IN UINTN   Column,\r
  IN UINTN   Row,\r
  IN CHAR16  *String\r
  )\r
{\r
  return PrintAt (0, Column, Row, L"%s", String);\r
}\r
\r
/**\r
  Prints a unicode string to the default console, at\r
  the supplied cursor position, using L"%s" format.\r
\r
  @param  Column     The cursor position to print the string at. When it is -1, use current Position.\r
  @param  Row        The cursor position to print the string at. When it is -1, use current Position.\r
  @param  String     String pointer.\r
  @param  Width      Width for String.\r
\r
  @return Length of string printed to the console\r
\r
**/\r
UINTN\r
EFIAPI\r
PrintStringAtWithWidth (\r
  IN UINTN   Column,\r
  IN UINTN   Row,\r
  IN CHAR16  *String,\r
  IN UINTN   Width\r
  )\r
{\r
  return PrintAt (Width, Column, Row, L"%s", String);\r
}\r
\r
/**\r
  Prints a character to the default console, at\r
  the supplied cursor position, using L"%c" format.\r
\r
  @param  Column     The cursor position to print the string at. When it is -1, use current Position.\r
  @param  Row        The cursor position to print the string at. When it is -1, use current Position.\r
  @param  Character  Character to print.\r
\r
  @return Length of string printed to the console.\r
\r
**/\r
UINTN\r
EFIAPI\r
PrintCharAt (\r
  IN UINTN  Column,\r
  IN UINTN  Row,\r
  CHAR16    Character\r
  )\r
{\r
  return PrintAt (0, Column, Row, L"%c", Character);\r
}\r
\r
/**\r
  Clear retangle with specified text attribute.\r
\r
  @param  LeftColumn     Left column of retangle.\r
  @param  RightColumn    Right column of retangle.\r
  @param  TopRow         Start row of retangle.\r
  @param  BottomRow      End row of retangle.\r
  @param  TextAttribute  The character foreground and background.\r
\r
**/\r
VOID\r
EFIAPI\r
ClearLines (\r
  IN UINTN  LeftColumn,\r
  IN UINTN  RightColumn,\r
  IN UINTN  TopRow,\r
  IN UINTN  BottomRow,\r
  IN UINTN  TextAttribute\r
  )\r
{\r
  CHAR16  *Buffer;\r
  UINTN   Row;\r
\r
  //\r
  // For now, allocate an arbitrarily long buffer\r
  //\r
  Buffer = AllocateZeroPool (0x10000);\r
  ASSERT (Buffer != NULL);\r
\r
  //\r
  // Set foreground and background as defined\r
  //\r
  gST->ConOut->SetAttribute (gST->ConOut, TextAttribute);\r
\r
  //\r
  // Much faster to buffer the long string instead of print it a character at a time\r
  //\r
  LibSetUnicodeMem (Buffer, RightColumn - LeftColumn, L' ');\r
\r
  //\r
  // Clear the desired area with the appropriate foreground/background\r
  //\r
  for (Row = TopRow; Row <= BottomRow; Row++) {\r
    PrintStringAt (LeftColumn, Row, Buffer);\r
  }\r
\r
  gST->ConOut->SetCursorPosition (gST->ConOut, LeftColumn, TopRow);\r
\r
  FreePool (Buffer);\r
}\r
\r
//\r
// Color Setting Functions\r
//\r
\r
/**\r
  Get OEM/Vendor specific popup attribute colors.\r
\r
  @retval  Byte code color setting for popup color.\r
**/\r
UINT8\r
EFIAPI\r
GetPopupColor (\r
  VOID\r
  )\r
{\r
  return POPUP_TEXT | POPUP_BACKGROUND;\r
}\r
\r
/**\r
  Get OEM/Vendor specific popup attribute colors.\r
\r
  @retval  Byte code color setting for popup inverse color.\r
**/\r
UINT8\r
EFIAPI\r
GetPopupInverseColor (\r
  VOID\r
  )\r
{\r
  return POPUP_INVERSE_TEXT | POPUP_INVERSE_BACKGROUND;\r
}\r
\r
/**\r
  Get OEM/Vendor specific PickList color attribute.\r
\r
  @retval  Byte code color setting for pick list color.\r
**/\r
UINT8\r
EFIAPI\r
GetPickListColor (\r
  VOID\r
  )\r
{\r
  return PICKLIST_HIGHLIGHT_TEXT | PICKLIST_HIGHLIGHT_BACKGROUND;\r
}\r
\r
/**\r
  Get OEM/Vendor specific arrow color attribute.\r
\r
  @retval  Byte code color setting for arrow color.\r
**/\r
UINT8\r
EFIAPI\r
GetArrowColor (\r
  VOID\r
  )\r
{\r
  return ARROW_TEXT | ARROW_BACKGROUND;\r
}\r
\r
/**\r
  Get OEM/Vendor specific info text color attribute.\r
\r
  @retval  Byte code color setting for info text color.\r
**/\r
UINT8\r
EFIAPI\r
GetInfoTextColor (\r
  VOID\r
  )\r
{\r
  return INFO_TEXT | FIELD_BACKGROUND;\r
}\r
\r
/**\r
  Get OEM/Vendor specific help text color attribute.\r
\r
  @retval  Byte code color setting for help text color.\r
**/\r
UINT8\r
EFIAPI\r
GetHelpTextColor (\r
  VOID\r
  )\r
{\r
  return HELP_TEXT | FIELD_BACKGROUND;\r
}\r
\r
/**\r
  Get OEM/Vendor specific grayed out text color attribute.\r
\r
  @retval  Byte code color setting for grayed out text color.\r
**/\r
UINT8\r
EFIAPI\r
GetGrayedTextColor (\r
  VOID\r
  )\r
{\r
  return FIELD_TEXT_GRAYED | FIELD_BACKGROUND;\r
}\r
\r
/**\r
  Get OEM/Vendor specific highlighted text color attribute.\r
\r
  @retval  Byte code color setting for highlight text color.\r
**/\r
UINT8\r
EFIAPI\r
GetHighlightTextColor (\r
  VOID\r
  )\r
{\r
  return PcdGet8 (PcdBrowserFieldTextHighlightColor) | PcdGet8 (PcdBrowserFieldBackgroundHighlightColor);\r
}\r
\r
/**\r
  Get OEM/Vendor specific field text color attribute.\r
\r
  @retval  Byte code color setting for field text color.\r
**/\r
UINT8\r
EFIAPI\r
GetFieldTextColor (\r
  VOID\r
  )\r
{\r
  return PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND;\r
}\r
\r
/**\r
  Get OEM/Vendor specific subtitle text color attribute.\r
\r
  @retval  Byte code color setting for subtitle text color.\r
**/\r
UINT8\r
EFIAPI\r
GetSubTitleTextColor (\r
  VOID\r
  )\r
{\r
  return PcdGet8 (PcdBrowserSubtitleTextColor) | FIELD_BACKGROUND;\r
}\r
\r
/**\r
  Clear Screen to the initial state.\r
**/\r
VOID\r
EFIAPI\r
ClearDisplayPage (\r
  VOID\r
  )\r
{\r
  gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));\r
  gST->ConOut->ClearScreen (gST->ConOut);\r
  gLibIsFirstForm = TRUE;\r
}\r
\r
/**\r
  Constructor of Customized Display Library Instance.\r
\r
  @param  ImageHandle   The firmware allocated handle for the EFI image.\r
  @param  SystemTable   A pointer to the EFI System Table.\r
\r
  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CustomizedDisplayLibConstructor (\r
  IN      EFI_HANDLE        ImageHandle,\r
  IN      EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  mCDLStringPackHandle = HiiAddPackages (&gCustomizedDisplayLibGuid, ImageHandle, CustomizedDisplayLibStrings, NULL);\r
  ASSERT (mCDLStringPackHandle != NULL);\r
\r
  InitializeLibStrings ();\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Destructor of Customized Display Library Instance.\r
\r
  @param  ImageHandle   The firmware allocated handle for the EFI image.\r
  @param  SystemTable   A pointer to the EFI System Table.\r
\r
  @retval EFI_SUCCESS   The destructor completed successfully.\r
  @retval Other value   The destructor did not complete successfully.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CustomizedDisplayLibDestructor (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  HiiRemovePackages (mCDLStringPackHandle);\r
\r
  FreeLibStrings ();\r
\r
  return EFI_SUCCESS;\r
}\r