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audk/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.c

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/** @file
This library class defines a set of interfaces to customize Display module
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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 RightColumnOfHelp;
UINTN TopRowOfHelp;
UINTN BottomRowOfHelp;
UINTN StartColumnOfHelp;
EFI_IFR_NUMERIC *NumericOp;
EFI_IFR_DATE *DateOp;
EFI_IFR_TIME *TimeOp;
BOOLEAN HexDisplay;
UINTN ColumnWidth1;
UINTN ColumnWidth2;
UINTN ColumnWidth3;
CHAR16 *ColumnStr1;
CHAR16 *ColumnStr2;
CHAR16 *ColumnStr3;
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;
//
// + 2 means leave 1 space before the first hotkey info.
//
StartColumnOfHelp = gScreenDimensions.LeftColumn + 2;
RightColumnOfHelp = gScreenDimensions.RightColumn - 1;
TopRowOfHelp = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - gFooterHeight + 1;
BottomRowOfHelp = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - 2;
ColumnWidth1 = SecCol - StartColumnOfHelp;
ColumnWidth2 = ThdCol - SecCol;
ColumnWidth3 = RightColumnOfHelp - ThdCol;
ColumnStr1 = gLibEmptyString;
ColumnStr2 = gLibEmptyString;
ColumnStr3 = gLibEmptyString;
//
// Clean the space at gScreenDimensions.LeftColumn + 1.
//
PrintStringAtWithWidth (StartColumnOfHelp - 1, BottomRowOfHelp, gLibEmptyString, 1);
PrintStringAtWithWidth (StartColumnOfHelp - 1, TopRowOfHelp, gLibEmptyString, 1);
if (Statement == NULL) {
//
// Print Key for Form without showable statement.
//
PrintHotKeyHelpString (FormData, TRUE);
PrintStringAtWithWidth (StartColumnOfHelp, BottomRowOfHelp, gLibEmptyString, ColumnWidth1);
PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gLibEmptyString, ColumnWidth2);
PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, gLibEmptyString, ColumnWidth1);
if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {
ColumnStr3 = gEscapeString;
}
PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);
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, TRUE);
if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {
ColumnStr3 = gEscapeString;
}
PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);
if ((Statement->OpCode->OpCode == EFI_IFR_DATE_OP) ||
(Statement->OpCode->OpCode == EFI_IFR_TIME_OP)) {
PrintAt (
ColumnWidth1,
StartColumnOfHelp,
BottomRowOfHelp,
L"%c%c%c%c%s",
ARROW_UP,
ARROW_DOWN,
ARROW_RIGHT,
ARROW_LEFT,
gMoveHighlight
);
PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gEnterString, ColumnWidth2);
PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, gAdjustNumber, ColumnWidth1);
} else {
PrintAt (ColumnWidth1, 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) {
ColumnStr1 = gAdjustNumber;
}
PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, ColumnStr1, ColumnWidth1);
PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gEnterString, ColumnWidth2);
}
} else {
PrintHotKeyHelpString (FormData, FALSE);
PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gEnterCommitString, ColumnWidth2);
//
// 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)) {
ColumnStr2 = HexDisplay ? gHexNumericInput : gDecNumericInput;
PrintStringAtWithWidth (StartColumnOfHelp, BottomRowOfHelp, gLibEmptyString, ColumnWidth1);
} else {
PrintAt (ColumnWidth1, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);
}
if (Statement->OpCode->OpCode == EFI_IFR_ORDERED_LIST_OP) {
ColumnStr1 = gPlusString;
ColumnStr3 = gMinusString;
}
PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, ColumnStr1, ColumnWidth1);
PrintStringAtWithWidth (ThdCol, TopRowOfHelp, ColumnStr3, ColumnWidth3);
PrintStringAtWithWidth (SecCol, TopRowOfHelp, ColumnStr2, ColumnWidth2);
PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, gEnterEscapeString, ColumnWidth3);
}
break;
case EFI_IFR_CHECKBOX_OP:
PrintHotKeyHelpString (FormData, TRUE);
if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {
ColumnStr3 = gEscapeString;
}
PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);
PrintAt (ColumnWidth1, StartColumnOfHelp, BottomRowOfHelp, L"%c%c%s", ARROW_UP, ARROW_DOWN, gMoveHighlight);
PrintStringAtWithWidth (SecCol, BottomRowOfHelp, gToggleCheckBox, ColumnWidth2);
PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, gLibEmptyString, ColumnWidth1);
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, TRUE);
if (gClassOfVfr == FORMSET_CLASS_PLATFORM_SETUP) {
ColumnStr3 = gEscapeString;
}
PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);
PrintAt (ColumnWidth1, 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) {
ColumnStr2 = gEnterString;
}
PrintStringAtWithWidth (SecCol, BottomRowOfHelp, ColumnStr2, ColumnWidth2);
PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, ColumnStr1, ColumnWidth1);
} else {
PrintHotKeyHelpString (FormData, FALSE);
if (Statement->OpCode->OpCode != EFI_IFR_REF_OP) {
ColumnStr2 = gEnterCommitString;
ColumnStr3 = gEnterEscapeString;
}
PrintStringAtWithWidth (StartColumnOfHelp, TopRowOfHelp, ColumnStr1, ColumnWidth1);
PrintStringAtWithWidth (StartColumnOfHelp, BottomRowOfHelp, ColumnStr1, ColumnWidth1);
PrintStringAtWithWidth (SecCol, BottomRowOfHelp, ColumnStr2, ColumnWidth2);
PrintStringAtWithWidth (ThdCol, BottomRowOfHelp, ColumnStr3, ColumnWidth3);
}
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;
BOOLEAN CursorVisible;
//
// 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;
CursorVisible = gST->ConOut->Mode->CursorVisible;
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, CursorVisible);
}
/**
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 character 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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