FORM_BROWSER_STATEMENT *
IdToQuestion (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN UINT16 QuestionId
)
/*++
Routine Description:
Search a Question in Formset scope using its QuestionId.
Arguments:
FormSet - The formset which contains this form.
Form - The form which contains this Question.
QuestionId - Id of this Question.
Returns:
Pointer - The Question.
NULL - Specified Question not found in the form.
--*/
{
EFI_LIST_ENTRY *Link;
FORM_BROWSER_STATEMENT *Question;
//
// Search in the form scope first
//
Question = IdToQuestion2 (Form, QuestionId);
if (Question != NULL) {
return Question;
}
//
// Search in the formset scope
//
Link = GetFirstNode (&FormSet->FormListHead);
while (!IsNull (&FormSet->FormListHead, Link)) {
Form = FORM_BROWSER_FORM_FROM_LINK (Link);
Question = IdToQuestion2 (Form, QuestionId);
if (Question != NULL) {
//
// EFI variable storage may be updated by Callback() asynchronous,
// to keep synchronous, always reload the Question Value.
//
if (Question->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {
GetQuestionValue (FormSet, Form, Question, FALSE);
}
return Question;
}
Link = GetNextNode (&FormSet->FormListHead, Link);
}
return NULL;
}
/**
Get selection for OneOf and OrderedList (Left/Right will be ignored).
@param Selection Pointer to current selection.
@param MenuOption Pointer to the current input menu.
@retval EFI_SUCCESS If Option input is processed successfully
@retval EFI_DEVICE_ERROR If operation fails
**/
EFI_STATUS
GetSelectionInputPopUp (
IN UI_MENU_SELECTION *Selection,
IN UI_MENU_OPTION *MenuOption
)
{
EFI_STATUS Status;
EFI_INPUT_KEY Key;
UINTN Index;
CHAR16 *StringPtr;
CHAR16 *TempStringPtr;
UINTN Index2;
UINTN TopOptionIndex;
UINTN HighlightOptionIndex;
UINTN Start;
UINTN End;
UINTN Top;
UINTN Bottom;
UINTN PopUpMenuLines;
UINTN MenuLinesInView;
UINTN PopUpWidth;
CHAR16 Character;
INT32 SavedAttribute;
BOOLEAN ShowDownArrow;
BOOLEAN ShowUpArrow;
UINTN DimensionsWidth;
LIST_ENTRY *Link;
BOOLEAN OrderedList;
UINT8 *ValueArray;
UINT8 ValueType;
EFI_HII_VALUE HiiValue;
EFI_HII_VALUE *HiiValueArray;
UINTN OptionCount;
QUESTION_OPTION *OneOfOption;
QUESTION_OPTION *CurrentOption;
FORM_BROWSER_STATEMENT *Question;
INTN Result;
DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;
ValueArray = NULL;
ValueType = 0;
CurrentOption = NULL;
ShowDownArrow = FALSE;
ShowUpArrow = FALSE;
StringPtr = AllocateZeroPool ((gOptionBlockWidth + 1) * 2);
ASSERT (StringPtr);
Question = MenuOption->ThisTag;
if (Question->Operand == EFI_IFR_ORDERED_LIST_OP) {
ValueArray = Question->BufferValue;
ValueType = Question->ValueType;
OrderedList = TRUE;
} else {
OrderedList = FALSE;
}
//
// Calculate Option count
//
if (OrderedList) {
for (Index = 0; Index < Question->MaxContainers; Index++) {
if (GetArrayData (ValueArray, ValueType, Index) == 0) {
break;
}
}
OptionCount = Index;
} else {
OptionCount = 0;
Link = GetFirstNode (&Question->OptionListHead);
while (!IsNull (&Question->OptionListHead, Link)) {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
OptionCount++;
Link = GetNextNode (&Question->OptionListHead, Link);
}
}
//
// Prepare HiiValue array
//
HiiValueArray = AllocateZeroPool (OptionCount * sizeof (EFI_HII_VALUE));
ASSERT (HiiValueArray != NULL);
Link = GetFirstNode (&Question->OptionListHead);
for (Index = 0; Index < OptionCount; Index++) {
if (OrderedList) {
HiiValueArray[Index].Type = ValueType;
HiiValueArray[Index].Value.u64 = GetArrayData (ValueArray, ValueType, Index);
} else {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
CopyMem (&HiiValueArray[Index], &OneOfOption->Value, sizeof (EFI_HII_VALUE));
Link = GetNextNode (&Question->OptionListHead, Link);
}
}
//
// Move Suppressed Option to list tail
//
PopUpMenuLines = 0;
for (Index = 0; Index < OptionCount; Index++) {
OneOfOption = ValueToOption (Question, &HiiValueArray[OptionCount - Index - 1]);
if (OneOfOption == NULL) {
return EFI_NOT_FOUND;
}
RemoveEntryList (&OneOfOption->Link);
if ((OneOfOption->SuppressExpression != NULL) &&
EvaluateExpressionList(OneOfOption->SuppressExpression, FALSE, NULL, NULL) != ExpressFalse) {
//
// This option is suppressed, insert to tail
//
InsertTailList (&Question->OptionListHead, &OneOfOption->Link);
} else {
//
// Insert to head
//
InsertHeadList (&Question->OptionListHead, &OneOfOption->Link);
PopUpMenuLines++;
}
}
//
// Get the number of one of options present and its size
//
PopUpWidth = 0;
HighlightOptionIndex = 0;
Link = GetFirstNode (&Question->OptionListHead);
for (Index = 0; Index < PopUpMenuLines; Index++) {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
StringPtr = GetToken (OneOfOption->Text, MenuOption->Handle);
if (StrLen (StringPtr) > PopUpWidth) {
PopUpWidth = StrLen (StringPtr);
}
FreePool (StringPtr);
if (!OrderedList && (CompareHiiValue (&Question->HiiValue, &OneOfOption->Value, &Result, NULL) == EFI_SUCCESS) && (Result == 0)) {
//
// Find current selected Option for OneOf
//
HighlightOptionIndex = Index;
}
Link = GetNextNode (&Question->OptionListHead, Link);
}
//
// Perform popup menu initialization.
//
PopUpWidth = PopUpWidth + POPUP_PAD_SPACE_COUNT;
SavedAttribute = gST->ConOut->Mode->Attribute;
gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);
if ((PopUpWidth + POPUP_FRAME_WIDTH) > DimensionsWidth) {
PopUpWidth = DimensionsWidth - POPUP_FRAME_WIDTH;
}
Start = (DimensionsWidth - PopUpWidth - POPUP_FRAME_WIDTH) / 2 + gScreenDimensions.LeftColumn;
End = Start + PopUpWidth + POPUP_FRAME_WIDTH;
Top = gScreenDimensions.TopRow + NONE_FRONT_PAGE_HEADER_HEIGHT;
Bottom = gScreenDimensions.BottomRow - STATUS_BAR_HEIGHT - gFooterHeight - 1;
MenuLinesInView = Bottom - Top - 1;
if (MenuLinesInView >= PopUpMenuLines) {
Top = Top + (MenuLinesInView - PopUpMenuLines) / 2;
Bottom = Top + PopUpMenuLines + 1;
} else {
ShowDownArrow = TRUE;
}
if (HighlightOptionIndex > (MenuLinesInView - 1)) {
TopOptionIndex = HighlightOptionIndex - MenuLinesInView + 1;
} else {
TopOptionIndex = 0;
}
do {
//
// Clear that portion of the screen
//
ClearLines (Start, End, Top, Bottom, POPUP_TEXT | POPUP_BACKGROUND);
//
// Draw "One of" pop-up menu
//
Character = BOXDRAW_DOWN_RIGHT;
PrintCharAt (Start, Top, Character);
for (Index = Start; Index + 2 < End; Index++) {
if ((ShowUpArrow) && ((Index + 1) == (Start + End) / 2)) {
Character = GEOMETRICSHAPE_UP_TRIANGLE;
} else {
Character = BOXDRAW_HORIZONTAL;
}
PrintChar (Character);
}
Character = BOXDRAW_DOWN_LEFT;
PrintChar (Character);
Character = BOXDRAW_VERTICAL;
for (Index = Top + 1; Index < Bottom; Index++) {
PrintCharAt (Start, Index, Character);
PrintCharAt (End - 1, Index, Character);
}
//
// Move to top Option
//
Link = GetFirstNode (&Question->OptionListHead);
for (Index = 0; Index < TopOptionIndex; Index++) {
Link = GetNextNode (&Question->OptionListHead, Link);
}
//
// Display the One of options
//
Index2 = Top + 1;
for (Index = TopOptionIndex; (Index < PopUpMenuLines) && (Index2 < Bottom); Index++) {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
Link = GetNextNode (&Question->OptionListHead, Link);
StringPtr = GetToken (OneOfOption->Text, MenuOption->Handle);
ASSERT (StringPtr != NULL);
//
// If the string occupies multiple lines, truncate it to fit in one line,
// and append a "..." for indication.
//
if (StrLen (StringPtr) > (PopUpWidth - 1)) {
TempStringPtr = AllocateZeroPool (sizeof (CHAR16) * (PopUpWidth - 1));
ASSERT ( TempStringPtr != NULL );
CopyMem (TempStringPtr, StringPtr, (sizeof (CHAR16) * (PopUpWidth - 5)));
FreePool (StringPtr);
StringPtr = TempStringPtr;
StrCat (StringPtr, L"...");
}
if (Index == HighlightOptionIndex) {
//
// Highlight the selected one
//
CurrentOption = OneOfOption;
gST->ConOut->SetAttribute (gST->ConOut, PICKLIST_HIGHLIGHT_TEXT | PICKLIST_HIGHLIGHT_BACKGROUND);
PrintStringAt (Start + 2, Index2, StringPtr);
gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);
} else {
gST->ConOut->SetAttribute (gST->ConOut, POPUP_TEXT | POPUP_BACKGROUND);
PrintStringAt (Start + 2, Index2, StringPtr);
}
Index2++;
FreePool (StringPtr);
}
Character = BOXDRAW_UP_RIGHT;
PrintCharAt (Start, Bottom, Character);
for (Index = Start; Index + 2 < End; Index++) {
if ((ShowDownArrow) && ((Index + 1) == (Start + End) / 2)) {
Character = GEOMETRICSHAPE_DOWN_TRIANGLE;
} else {
Character = BOXDRAW_HORIZONTAL;
}
PrintChar (Character);
}
Character = BOXDRAW_UP_LEFT;
PrintChar (Character);
//
// Get User selection
//
Key.UnicodeChar = CHAR_NULL;
if ((gDirection == SCAN_UP) || (gDirection == SCAN_DOWN)) {
Key.ScanCode = gDirection;
gDirection = 0;
goto TheKey;
}
Status = WaitForKeyStroke (&Key);
TheKey:
switch (Key.UnicodeChar) {
case '+':
if (OrderedList) {
if ((TopOptionIndex > 0) && (TopOptionIndex == HighlightOptionIndex)) {
//
// Highlight reaches the top of the popup window, scroll one menu item.
//
TopOptionIndex--;
ShowDownArrow = TRUE;
}
if (TopOptionIndex == 0) {
ShowUpArrow = FALSE;
}
if (HighlightOptionIndex > 0) {
HighlightOptionIndex--;
ASSERT (CurrentOption != NULL);
SwapListEntries (CurrentOption->Link.BackLink, &CurrentOption->Link);
}
}
break;
case '-':
//
// If an ordered list op-code, we will allow for a popup of +/- keys
// to create an ordered list of items
//
if (OrderedList) {
if (((TopOptionIndex + MenuLinesInView) < PopUpMenuLines) &&
(HighlightOptionIndex == (TopOptionIndex + MenuLinesInView - 1))) {
//
// Highlight reaches the bottom of the popup window, scroll one menu item.
//
TopOptionIndex++;
ShowUpArrow = TRUE;
}
if ((TopOptionIndex + MenuLinesInView) == PopUpMenuLines) {
ShowDownArrow = FALSE;
}
if (HighlightOptionIndex < (PopUpMenuLines - 1)) {
HighlightOptionIndex++;
ASSERT (CurrentOption != NULL);
SwapListEntries (&CurrentOption->Link, CurrentOption->Link.ForwardLink);
}
}
break;
case CHAR_NULL:
switch (Key.ScanCode) {
case SCAN_UP:
case SCAN_DOWN:
if (Key.ScanCode == SCAN_UP) {
if ((TopOptionIndex > 0) && (TopOptionIndex == HighlightOptionIndex)) {
//
// Highlight reaches the top of the popup window, scroll one menu item.
//
TopOptionIndex--;
ShowDownArrow = TRUE;
}
if (TopOptionIndex == 0) {
ShowUpArrow = FALSE;
}
if (HighlightOptionIndex > 0) {
HighlightOptionIndex--;
}
} else {
if (((TopOptionIndex + MenuLinesInView) < PopUpMenuLines) &&
(HighlightOptionIndex == (TopOptionIndex + MenuLinesInView - 1))) {
//
// Highlight reaches the bottom of the popup window, scroll one menu item.
//
TopOptionIndex++;
ShowUpArrow = TRUE;
}
if ((TopOptionIndex + MenuLinesInView) == PopUpMenuLines) {
ShowDownArrow = FALSE;
}
if (HighlightOptionIndex < (PopUpMenuLines - 1)) {
HighlightOptionIndex++;
}
}
break;
case SCAN_ESC:
gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);
//
// Restore link list order for orderedlist
//
if (OrderedList) {
HiiValue.Type = ValueType;
HiiValue.Value.u64 = 0;
for (Index = 0; Index < Question->MaxContainers; Index++) {
HiiValue.Value.u64 = GetArrayData (ValueArray, ValueType, Index);
if (HiiValue.Value.u64 == 0) {
break;
}
OneOfOption = ValueToOption (Question, &HiiValue);
if (OneOfOption == NULL) {
return EFI_NOT_FOUND;
}
RemoveEntryList (&OneOfOption->Link);
InsertTailList (&Question->OptionListHead, &OneOfOption->Link);
}
}
FreePool (HiiValueArray);
return EFI_DEVICE_ERROR;
default:
break;
}
break;
case CHAR_CARRIAGE_RETURN:
//
// return the current selection
//
if (OrderedList) {
Index = 0;
Link = GetFirstNode (&Question->OptionListHead);
while (!IsNull (&Question->OptionListHead, Link)) {
OneOfOption = QUESTION_OPTION_FROM_LINK (Link);
SetArrayData (ValueArray, ValueType, Index, OneOfOption->Value.Value.u64);
Index++;
if (Index > Question->MaxContainers) {
break;
}
Link = GetNextNode (&Question->OptionListHead, Link);
}
} else {
ASSERT (CurrentOption != NULL);
CopyMem (&Question->HiiValue, &CurrentOption->Value, sizeof (EFI_HII_VALUE));
}
gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);
FreePool (HiiValueArray);
Status = ValidateQuestion (Selection->FormSet, Selection->Form, Question, EFI_HII_EXPRESSION_INCONSISTENT_IF);
if (EFI_ERROR (Status)) {
//
// Input value is not valid, restore Question Value
//
GetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);
} else {
SetQuestionValue (Selection->FormSet, Selection->Form, Question, TRUE);
UpdateStatusBar (Selection, NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);
}
return Status;
default:
break;
}
} while (TRUE);
}
/**
This routine reads a numeric value from the user input.
@param Selection Pointer to current selection.
@param MenuOption Pointer to the current input menu.
@retval EFI_SUCCESS If numerical input is read successfully
@retval EFI_DEVICE_ERROR If operation fails
**/
EFI_STATUS
GetNumericInput (
IN UI_MENU_SELECTION *Selection,
IN UI_MENU_OPTION *MenuOption
)
{
EFI_STATUS Status;
UINTN Column;
UINTN Row;
CHAR16 InputText[MAX_NUMERIC_INPUT_WIDTH];
CHAR16 FormattedNumber[MAX_NUMERIC_INPUT_WIDTH - 1];
UINT64 PreviousNumber[MAX_NUMERIC_INPUT_WIDTH - 3];
UINTN Count;
UINTN Loop;
BOOLEAN ManualInput;
BOOLEAN HexInput;
BOOLEAN DateOrTime;
UINTN InputWidth;
UINT64 EditValue;
UINT64 Step;
UINT64 Minimum;
UINT64 Maximum;
UINTN EraseLen;
UINT8 Digital;
EFI_INPUT_KEY Key;
EFI_HII_VALUE *QuestionValue;
FORM_BROWSER_FORM *Form;
FORM_BROWSER_FORMSET *FormSet;
FORM_BROWSER_STATEMENT *Question;
Column = MenuOption->OptCol;
Row = MenuOption->Row;
PreviousNumber[0] = 0;
Count = 0;
InputWidth = 0;
Digital = 0;
FormSet = Selection->FormSet;
Form = Selection->Form;
Question = MenuOption->ThisTag;
QuestionValue = &Question->HiiValue;
Step = Question->Step;
Minimum = Question->Minimum;
Maximum = Question->Maximum;
//
// Only two case, user can enter to this function: Enter and +/- case.
// In Enter case, gDirection = 0; in +/- case, gDirection = SCAN_LEFT/SCAN_WRIGHT
//
ManualInput = (BOOLEAN)(gDirection == 0 ? TRUE : FALSE);
if ((Question->Operand == EFI_IFR_DATE_OP) || (Question->Operand == EFI_IFR_TIME_OP)) {
DateOrTime = TRUE;
} else {
DateOrTime = FALSE;
}
//
// Prepare Value to be edit
//
EraseLen = 0;
EditValue = 0;
if (Question->Operand == EFI_IFR_DATE_OP) {
Step = 1;
Minimum = 1;
switch (MenuOption->Sequence) {
case 0:
Maximum = 12;
EraseLen = 4;
EditValue = QuestionValue->Value.date.Month;
break;
case 1:
switch (QuestionValue->Value.date.Month) {
case 2:
if ((QuestionValue->Value.date.Year % 4) == 0 &&
((QuestionValue->Value.date.Year % 100) != 0 ||
(QuestionValue->Value.date.Year % 400) == 0)) {
Maximum = 29;
} else {
Maximum = 28;
}
break;
case 4:
case 6:
case 9:
case 11:
Maximum = 30;
break;
default:
Maximum = 31;
break;
}
EraseLen = 3;
EditValue = QuestionValue->Value.date.Day;
break;
case 2:
Maximum = 0xffff;
EraseLen = 5;
EditValue = QuestionValue->Value.date.Year;
break;
default:
break;
}
} else if (Question->Operand == EFI_IFR_TIME_OP) {
Step = 1;
Minimum = 0;
switch (MenuOption->Sequence) {
case 0:
Maximum = 23;
EraseLen = 4;
EditValue = QuestionValue->Value.time.Hour;
break;
case 1:
Maximum = 59;
EraseLen = 3;
EditValue = QuestionValue->Value.time.Minute;
break;
case 2:
Maximum = 59;
EraseLen = 3;
EditValue = QuestionValue->Value.time.Second;
break;
default:
break;
}
} else {
//
// Numeric
//
EraseLen = gOptionBlockWidth;
EditValue = QuestionValue->Value.u64;
if (Maximum == 0) {
Maximum = (UINT64) -1;
}
}
if ((Question->Operand == EFI_IFR_NUMERIC_OP) &&
((Question->Flags & EFI_IFR_DISPLAY) == EFI_IFR_DISPLAY_UINT_HEX)) {
HexInput = TRUE;
} else {
HexInput = FALSE;
}
//
// Enter from "Enter" input, clear the old word showing.
//
if (ManualInput) {
if (Question->Operand == EFI_IFR_NUMERIC_OP) {
if (HexInput) {
InputWidth = Question->StorageWidth * 2;
} else {
switch (Question->StorageWidth) {
case 1:
InputWidth = 3;
break;
case 2:
InputWidth = 5;
break;
case 4:
InputWidth = 10;
break;
case 8:
InputWidth = 20;
break;
default:
InputWidth = 0;
break;
}
}
InputText[0] = LEFT_NUMERIC_DELIMITER;
SetUnicodeMem (InputText + 1, InputWidth, L' ');
ASSERT (InputWidth + 2 < MAX_NUMERIC_INPUT_WIDTH);
InputText[InputWidth + 1] = RIGHT_NUMERIC_DELIMITER;
InputText[InputWidth + 2] = L'\0';
PrintAt (Column, Row, InputText);
Column++;
}
if (Question->Operand == EFI_IFR_DATE_OP) {
if (MenuOption->Sequence == 2) {
InputWidth = 4;
} else {
InputWidth = 2;
}
if (MenuOption->Sequence == 0) {
InputText[0] = LEFT_NUMERIC_DELIMITER;
SetUnicodeMem (InputText + 1, InputWidth, L' ');
} else {
SetUnicodeMem (InputText, InputWidth, L' ');
}
if (MenuOption->Sequence == 2) {
InputText[InputWidth + 1] = RIGHT_NUMERIC_DELIMITER;
} else {
InputText[InputWidth + 1] = DATE_SEPARATOR;
}
InputText[InputWidth + 2] = L'\0';
PrintAt (Column, Row, InputText);
if (MenuOption->Sequence == 0) {
Column++;
}
}
if (Question->Operand == EFI_IFR_TIME_OP) {
InputWidth = 2;
if (MenuOption->Sequence == 0) {
InputText[0] = LEFT_NUMERIC_DELIMITER;
SetUnicodeMem (InputText + 1, InputWidth, L' ');
} else {
SetUnicodeMem (InputText, InputWidth, L' ');
}
if (MenuOption->Sequence == 2) {
InputText[InputWidth + 1] = RIGHT_NUMERIC_DELIMITER;
} else {
InputText[InputWidth + 1] = TIME_SEPARATOR;
}
InputText[InputWidth + 2] = L'\0';
PrintAt (Column, Row, InputText);
if (MenuOption->Sequence == 0) {
Column++;
}
}
}
//
// First time we enter this handler, we need to check to see if
// we were passed an increment or decrement directive
//
do {
Key.UnicodeChar = CHAR_NULL;
if (gDirection != 0) {
Key.ScanCode = gDirection;
gDirection = 0;
goto TheKey2;
}
Status = WaitForKeyStroke (&Key);
TheKey2:
switch (Key.UnicodeChar) {
case '+':
case '-':
if (Key.UnicodeChar == '+') {
Key.ScanCode = SCAN_RIGHT;
} else {
Key.ScanCode = SCAN_LEFT;
}
Key.UnicodeChar = CHAR_NULL;
goto TheKey2;
case CHAR_NULL:
switch (Key.ScanCode) {
case SCAN_LEFT:
case SCAN_RIGHT:
if (DateOrTime && !ManualInput) {
//
// By setting this value, we will return back to the caller.
// We need to do this since an auto-refresh will destroy the adjustment
// based on what the real-time-clock is showing. So we always commit
// upon changing the value.
//
gDirection = SCAN_DOWN;
}
if ((Step != 0) && !ManualInput) {
if (Key.ScanCode == SCAN_LEFT) {
if (EditValue >= Minimum + Step) {
EditValue = EditValue - Step;
} else if (EditValue > Minimum) {
EditValue = Minimum;
} else {
EditValue = Maximum;
}
} else if (Key.ScanCode == SCAN_RIGHT) {
if (EditValue + Step <= Maximum) {
EditValue = EditValue + Step;
} else if (EditValue < Maximum) {
EditValue = Maximum;
} else {
EditValue = Minimum;
}
}
ZeroMem (FormattedNumber, 21 * sizeof (CHAR16));
if (Question->Operand == EFI_IFR_DATE_OP) {
if (MenuOption->Sequence == 2) {
//
// Year
//
UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%04d", (UINT16) EditValue);
} else {
//
// Month/Day
//
UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%02d", (UINT8) EditValue);
}
if (MenuOption->Sequence == 0) {
ASSERT (EraseLen >= 2);
FormattedNumber[EraseLen - 2] = DATE_SEPARATOR;
} else if (MenuOption->Sequence == 1) {
ASSERT (EraseLen >= 1);
FormattedNumber[EraseLen - 1] = DATE_SEPARATOR;
}
} else if (Question->Operand == EFI_IFR_TIME_OP) {
UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%02d", (UINT8) EditValue);
if (MenuOption->Sequence == 0) {
ASSERT (EraseLen >= 2);
FormattedNumber[EraseLen - 2] = TIME_SEPARATOR;
} else if (MenuOption->Sequence == 1) {
ASSERT (EraseLen >= 1);
FormattedNumber[EraseLen - 1] = TIME_SEPARATOR;
}
} else {
QuestionValue->Value.u64 = EditValue;
PrintFormattedNumber (Question, FormattedNumber, 21 * sizeof (CHAR16));
}
gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextColor) | FIELD_BACKGROUND);
for (Loop = 0; Loop < EraseLen; Loop++) {
PrintAt (MenuOption->OptCol + Loop, MenuOption->Row, L" ");
}
gST->ConOut->SetAttribute (gST->ConOut, PcdGet8 (PcdBrowserFieldTextHighlightColor) | PcdGet8 (PcdBrowserFieldBackgroundHighlightColor));
if (MenuOption->Sequence == 0) {
PrintCharAt (MenuOption->OptCol, Row, LEFT_NUMERIC_DELIMITER);
Column = MenuOption->OptCol + 1;
}
PrintStringAt (Column, Row, FormattedNumber);
if (!DateOrTime || MenuOption->Sequence == 2) {
PrintChar (RIGHT_NUMERIC_DELIMITER);
}
}
goto EnterCarriageReturn;
break;
case SCAN_UP:
case SCAN_DOWN:
goto EnterCarriageReturn;
case SCAN_ESC:
return EFI_DEVICE_ERROR;
default:
break;
}
break;
EnterCarriageReturn:
case CHAR_CARRIAGE_RETURN:
//
// Validate input value with Minimum value.
//
if (EditValue < Minimum) {
UpdateStatusBar (Selection, INPUT_ERROR, Question->QuestionFlags, TRUE);
break;
} else {
UpdateStatusBar (Selection, INPUT_ERROR, Question->QuestionFlags, FALSE);
}
//
// Store Edit value back to Question
//
if (Question->Operand == EFI_IFR_DATE_OP) {
switch (MenuOption->Sequence) {
case 0:
QuestionValue->Value.date.Month = (UINT8) EditValue;
break;
case 1:
QuestionValue->Value.date.Day = (UINT8) EditValue;
break;
case 2:
QuestionValue->Value.date.Year = (UINT16) EditValue;
break;
default:
break;
}
} else if (Question->Operand == EFI_IFR_TIME_OP) {
switch (MenuOption->Sequence) {
case 0:
QuestionValue->Value.time.Hour = (UINT8) EditValue;
break;
case 1:
QuestionValue->Value.time.Minute = (UINT8) EditValue;
break;
case 2:
QuestionValue->Value.time.Second = (UINT8) EditValue;
break;
default:
break;
}
} else {
//
// Numeric
//
QuestionValue->Value.u64 = EditValue;
}
//
// Adjust the value to the correct one.
// Sample like: 2012.02.29 -> 2013.02.29 -> 2013.02.01
// 2013.03.29 -> 2013.02.29 -> 2013.02.28
//
if (Question->Operand == EFI_IFR_DATE_OP &&
(MenuOption->Sequence == 0 || MenuOption->Sequence == 2)) {
AdjustQuestionValue (Question, (UINT8)MenuOption->Sequence);
}
//
// Check to see if the Value is something reasonable against consistency limitations.
// If not, let's kick the error specified.
//
Status = ValidateQuestion (FormSet, Form, Question, EFI_HII_EXPRESSION_INCONSISTENT_IF);
if (EFI_ERROR (Status)) {
//
// Input value is not valid, restore Question Value
//
GetQuestionValue (FormSet, Form, Question, TRUE);
} else {
SetQuestionValue (FormSet, Form, Question, TRUE);
if (!DateOrTime || (Question->Storage != NULL)) {
//
// NV flag is unnecessary for RTC type of Date/Time
//
UpdateStatusBar (Selection, NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);
}
}
return Status;
break;
case CHAR_BACKSPACE:
if (ManualInput) {
if (Count == 0) {
break;
}
//
// Remove a character
//
EditValue = PreviousNumber[Count - 1];
UpdateStatusBar (Selection, INPUT_ERROR, Question->QuestionFlags, FALSE);
Count--;
Column--;
PrintAt (Column, Row, L" ");
}
break;
default:
if (ManualInput) {
if (HexInput) {
if ((Key.UnicodeChar >= L'0') && (Key.UnicodeChar <= L'9')) {
Digital = (UINT8) (Key.UnicodeChar - L'0');
} else if ((Key.UnicodeChar >= L'A') && (Key.UnicodeChar <= L'F')) {
Digital = (UINT8) (Key.UnicodeChar - L'A' + 0x0A);
} else if ((Key.UnicodeChar >= L'a') && (Key.UnicodeChar <= L'f')) {
Digital = (UINT8) (Key.UnicodeChar - L'a' + 0x0A);
} else {
UpdateStatusBar (Selection, INPUT_ERROR, Question->QuestionFlags, TRUE);
break;
}
} else {
if (Key.UnicodeChar > L'9' || Key.UnicodeChar < L'0') {
UpdateStatusBar (Selection, INPUT_ERROR, Question->QuestionFlags, TRUE);
break;
}
}
//
// If Count exceed input width, there is no way more is valid
//
if (Count >= InputWidth) {
break;
}
//
// Someone typed something valid!
//
if (Count != 0) {
if (HexInput) {
EditValue = LShiftU64 (EditValue, 4) + Digital;
} else {
EditValue = MultU64x32 (EditValue, 10) + (Key.UnicodeChar - L'0');
}
} else {
if (HexInput) {
EditValue = Digital;
} else {
EditValue = Key.UnicodeChar - L'0';
}
}
if (EditValue > Maximum) {
UpdateStatusBar (Selection, INPUT_ERROR, Question->QuestionFlags, TRUE);
ASSERT (Count < sizeof (PreviousNumber) / sizeof (PreviousNumber[0]));
EditValue = PreviousNumber[Count];
break;
} else {
UpdateStatusBar (Selection, INPUT_ERROR, Question->QuestionFlags, FALSE);
}
Count++;
ASSERT (Count < (sizeof (PreviousNumber) / sizeof (PreviousNumber[0])));
PreviousNumber[Count] = EditValue;
PrintCharAt (Column, Row, Key.UnicodeChar);
Column++;
}
break;
}
} while (TRUE);
}
EFI_STATUS
GetNumericInput (
IN UI_MENU_SELECTION *Selection,
IN UI_MENU_OPTION *MenuOption
)
/*++
Routine Description:
This routine reads a numeric value from the user input.
Arguments:
Selection - Pointer to current selection.
MenuOption - Pointer to the current input menu.
Returns:
EFI_SUCCESS - If numerical input is read successfully
EFI_DEVICE_ERROR - If operation fails
--*/
{
EFI_STATUS Status;
UINTN Column;
UINTN Row;
CHAR16 InputText[23];
CHAR16 FormattedNumber[22];
UINT64 PreviousNumber[20];
UINTN Count;
UINTN Loop;
BOOLEAN ManualInput;
BOOLEAN HexInput;
BOOLEAN DateOrTime;
UINTN InputWidth;
UINT64 EditValue;
UINT64 Step;
UINT64 Minimum;
UINT64 Maximum;
UINTN EraseLen;
UINT8 Digital;
EFI_INPUT_KEY Key;
EFI_HII_VALUE *QuestionValue;
FORM_BROWSER_FORM *Form;
FORM_BROWSER_FORMSET *FormSet;
FORM_BROWSER_STATEMENT *Question;
Column = MenuOption->OptCol;
Row = MenuOption->Row;
PreviousNumber[0] = 0;
Count = 0;
InputWidth = 0;
Digital = 0;
FormSet = Selection->FormSet;
Form = Selection->Form;
Question = MenuOption->ThisTag;
QuestionValue = &Question->HiiValue;
Step = Question->Step;
Minimum = Question->Minimum;
Maximum = Question->Maximum;
if ((Question->Operand == EFI_IFR_DATE_OP) || (Question->Operand == EFI_IFR_TIME_OP)) {
DateOrTime = TRUE;
} else {
DateOrTime = FALSE;
}
//
// Prepare Value to be edit
//
EraseLen = 0;
EditValue = 0;
if (Question->Operand == EFI_IFR_DATE_OP) {
Step = 1;
Minimum = 1;
switch (MenuOption->Sequence) {
case 0:
Maximum = 12;
EraseLen = 4;
EditValue = QuestionValue->Value.date.Month;
break;
case 1:
Maximum = 31;
EraseLen = 3;
EditValue = QuestionValue->Value.date.Day;
break;
case 2:
Maximum = 0xffff;
EraseLen = 5;
EditValue = QuestionValue->Value.date.Year;
break;
default:
break;
}
} else if (Question->Operand == EFI_IFR_TIME_OP) {
Step = 1;
Minimum = 0;
switch (MenuOption->Sequence) {
case 0:
Maximum = 23;
EraseLen = 4;
EditValue = QuestionValue->Value.time.Hour;
break;
case 1:
Maximum = 59;
EraseLen = 3;
EditValue = QuestionValue->Value.time.Minute;
break;
case 2:
Maximum = 59;
EraseLen = 3;
EditValue = QuestionValue->Value.time.Second;
break;
default:
break;
}
} else {
//
// Numeric
//
EraseLen = gOptionBlockWidth;
EditValue = QuestionValue->Value.u64;
if (Maximum == 0) {
Maximum = (UINT64) -1;
}
}
if (Step == 0) {
ManualInput = TRUE;
} else {
ManualInput = FALSE;
}
if ((Question->Operand == EFI_IFR_NUMERIC_OP) &&
((Question->Flags & EFI_IFR_DISPLAY) == EFI_IFR_DISPLAY_UINT_HEX)) {
HexInput = TRUE;
} else {
HexInput = FALSE;
}
if (ManualInput) {
if (HexInput) {
InputWidth = Question->StorageWidth * 2;
} else {
switch (Question->StorageWidth) {
case 1:
InputWidth = 3;
break;
case 2:
InputWidth = 5;
break;
case 4:
InputWidth = 10;
break;
case 8:
InputWidth = 20;
break;
default:
InputWidth = 0;
break;
}
}
InputText[0] = LEFT_NUMERIC_DELIMITER;
SetUnicodeMem (InputText + 1, InputWidth, L' ');
InputText[InputWidth + 1] = RIGHT_NUMERIC_DELIMITER;
InputText[InputWidth + 2] = L'\0';
PrintAt (Column, Row, InputText);
Column++;
}
//
// First time we enter this handler, we need to check to see if
// we were passed an increment or decrement directive
//
do {
Key.UnicodeChar = CHAR_NULL;
if (gDirection != 0) {
Key.ScanCode = gDirection;
gDirection = 0;
goto TheKey2;
}
Status = WaitForKeyStroke (&Key);
TheKey2:
switch (Key.UnicodeChar) {
case '+':
case '-':
if (Key.UnicodeChar == '+') {
Key.ScanCode = SCAN_RIGHT;
} else {
Key.ScanCode = SCAN_LEFT;
}
Key.UnicodeChar = CHAR_NULL;
goto TheKey2;
case CHAR_NULL:
switch (Key.ScanCode) {
case SCAN_LEFT:
case SCAN_RIGHT:
if (DateOrTime) {
//
// By setting this value, we will return back to the caller.
// We need to do this since an auto-refresh will destroy the adjustment
// based on what the real-time-clock is showing. So we always commit
// upon changing the value.
//
gDirection = SCAN_DOWN;
}
if (!ManualInput) {
if (Key.ScanCode == SCAN_LEFT) {
if (EditValue > Step) {
EditValue = EditValue - Step;
} else {
EditValue = Minimum;
}
} else if (Key.ScanCode == SCAN_RIGHT) {
EditValue = EditValue + Step;
if (EditValue > Maximum) {
EditValue = Maximum;
}
}
EfiZeroMem (FormattedNumber, 21 * sizeof (CHAR16));
if (Question->Operand == EFI_IFR_DATE_OP) {
if (MenuOption->Sequence == 2) {
//
// Year
//
SPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%04d", (UINTN) EditValue);
} else {
//
// Month/Day
//
SPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%02d", (UINTN) EditValue);
}
if (MenuOption->Sequence == 0) {
FormattedNumber[EraseLen - 2] = DATE_SEPARATOR;
} else if (MenuOption->Sequence == 1) {
FormattedNumber[EraseLen - 1] = DATE_SEPARATOR;
}
} else if (Question->Operand == EFI_IFR_TIME_OP) {
SPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%02d", (UINTN) EditValue);
if (MenuOption->Sequence == 0) {
FormattedNumber[EraseLen - 2] = TIME_SEPARATOR;
} else if (MenuOption->Sequence == 1) {
FormattedNumber[EraseLen - 1] = TIME_SEPARATOR;
}
} else {
QuestionValue->Value.u64 = EditValue;
PrintFormattedNumber (Question, FormattedNumber, 21 * sizeof (CHAR16));
}
gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT | FIELD_BACKGROUND);
for (Loop = 0; Loop < EraseLen; Loop++) {
PrintAt (MenuOption->OptCol + Loop, MenuOption->Row, L" ");
}
gST->ConOut->SetAttribute (gST->ConOut, FIELD_TEXT_HIGHLIGHT | FIELD_BACKGROUND_HIGHLIGHT);
if (MenuOption->Sequence == 0) {
PrintCharAt (MenuOption->OptCol, Row, LEFT_NUMERIC_DELIMITER);
Column = MenuOption->OptCol + 1;
}
PrintStringAt (Column, Row, FormattedNumber);
if (!DateOrTime || MenuOption->Sequence == 2) {
PrintChar (RIGHT_NUMERIC_DELIMITER);
}
goto EnterCarriageReturn;
}
break;
case SCAN_UP:
case SCAN_DOWN:
goto EnterCarriageReturn;
case SCAN_ESC:
return EFI_DEVICE_ERROR;
default:
break;
}
break;
EnterCarriageReturn:
case CHAR_CARRIAGE_RETURN:
//
// Store Edit value back to Question
//
if (Question->Operand == EFI_IFR_DATE_OP) {
switch (MenuOption->Sequence) {
case 0:
QuestionValue->Value.date.Month = (UINT8) EditValue;
break;
case 1:
QuestionValue->Value.date.Day = (UINT8) EditValue;
break;
case 2:
QuestionValue->Value.date.Year = (UINT16) EditValue;
break;
default:
break;
}
} else if (Question->Operand == EFI_IFR_TIME_OP) {
switch (MenuOption->Sequence) {
case 0:
QuestionValue->Value.time.Hour = (UINT8) EditValue;
break;
case 1:
QuestionValue->Value.time.Minute = (UINT8) EditValue;
break;
case 2:
QuestionValue->Value.time.Second = (UINT8) EditValue;
break;
default:
break;
}
} else {
//
// Numeric
//
QuestionValue->Value.u64 = EditValue;
}
//
// Check to see if the Value is something reasonable against consistency limitations.
// If not, let's kick the error specified.
//
Status = ValidateQuestion (FormSet, Form, Question, EFI_HII_EXPRESSION_INCONSISTENT_IF);
if (EFI_ERROR (Status)) {
//
// Input value is not valid, restore Question Value
//
GetQuestionValue (FormSet, Form, Question, TRUE);
} else {
SetQuestionValue (FormSet, Form, Question, TRUE);
if (!DateOrTime || (Question->Storage != NULL)) {
//
// NV flag is unnecessary for RTC type of Date/Time
//
UpdateStatusBar (NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);
}
}
return Status;
break;
case CHAR_BACKSPACE:
if (ManualInput) {
if (Count == 0) {
break;
}
//
// Remove a character
//
EditValue = PreviousNumber[Count - 1];
UpdateStatusBar (INPUT_ERROR, Question->QuestionFlags, FALSE);
Count--;
Column--;
PrintAt (Column, Row, L" ");
}
break;
default:
if (ManualInput) {
if (HexInput) {
if (!IsHexDigit (&Digital, Key.UnicodeChar)) {
UpdateStatusBar (INPUT_ERROR, Question->QuestionFlags, TRUE);
break;
}
} else {
if (Key.UnicodeChar > L'9' || Key.UnicodeChar < L'0') {
UpdateStatusBar (INPUT_ERROR, Question->QuestionFlags, TRUE);
break;
}
}
//
// If Count exceed input width, there is no way more is valid
//
if (Count >= InputWidth) {
break;
}
//
// Someone typed something valid!
//
if (Count != 0) {
if (HexInput) {
EditValue = LShiftU64 (EditValue, 4) + Digital;
} else {
//
// EditValue = EditValue * 10 + (Key.UnicodeChar - L'0');
//
EditValue = LShiftU64 (EditValue, 3) + LShiftU64 (EditValue, 1) + (Key.UnicodeChar - L'0');
}
} else {
if (HexInput) {
EditValue = Digital;
} else {
EditValue = Key.UnicodeChar - L'0';
}
}
if (EditValue > Maximum) {
UpdateStatusBar (INPUT_ERROR, Question->QuestionFlags, TRUE);
EditValue = PreviousNumber[Count];
break;
} else {
UpdateStatusBar (INPUT_ERROR, Question->QuestionFlags, FALSE);
}
Count++;
PreviousNumber[Count] = EditValue;
PrintCharAt (Column, Row, Key.UnicodeChar);
Column++;
}
break;
}
} while (TRUE);
return EFI_SUCCESS;
}
