diff options
Diffstat (limited to 'MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c')
| -rw-r--r-- | MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c | 2290 |
1 files changed, 1144 insertions, 1146 deletions
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c b/MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c index cc580b8..b958f4f 100644 --- a/MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c +++ b/MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c @@ -1,1146 +1,1144 @@ -/** @file - -Copyright (c) 2004 - 2007, Intel Corporation -All rights reserved. This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which 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. - -Module Name: - - InputHandler.c - -Abstract: - - Implementation for handling user input from the User Interface - -Revision History - - -**/ - -#include "Ui.h" -#include "Setup.h" - - -/** - Get string or password input from user. - - @param MenuOption Pointer to the current input menu. - @param Prompt The prompt string shown on popup window. - @param StringPtr Destination for use input string. - - @retval EFI_SUCCESS If string input is read successfully - @retval EFI_DEVICE_ERROR If operation fails - -**/ -EFI_STATUS -ReadString ( - IN UI_MENU_OPTION *MenuOption, - IN CHAR16 *Prompt, - OUT CHAR16 *StringPtr - ) -{ - EFI_STATUS Status; - EFI_INPUT_KEY Key; - CHAR16 NullCharacter; - UINTN ScreenSize; - CHAR16 Space[2]; - CHAR16 KeyPad[2]; - CHAR16 *TempString; - CHAR16 *BufferedString; - UINTN Index; - UINTN Count; - UINTN Start; - UINTN Top; - UINTN DimensionsWidth; - UINTN DimensionsHeight; - BOOLEAN CursorVisible; - UINTN Minimum; - UINTN Maximum; - FORM_BROWSER_STATEMENT *Question; - BOOLEAN IsPassword; - - DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn; - DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow; - - NullCharacter = CHAR_NULL; - ScreenSize = GetStringWidth (Prompt) / sizeof (CHAR16); - Space[0] = L' '; - Space[1] = CHAR_NULL; - - Question = MenuOption->ThisTag; - Minimum = (UINTN) Question->Minimum; - Maximum = (UINTN) Question->Maximum; - - if (Question->Operand == EFI_IFR_PASSWORD_OP) { - IsPassword = TRUE; - } else { - IsPassword = FALSE; - } - - TempString = AllocateZeroPool ((Maximum + 1)* sizeof (CHAR16)); - ASSERT (TempString); - - if (ScreenSize < (Maximum + 1)) { - ScreenSize = Maximum + 1; - } - - if ((ScreenSize + 2) > DimensionsWidth) { - ScreenSize = DimensionsWidth - 2; - } - - BufferedString = AllocateZeroPool (ScreenSize * 2); - ASSERT (BufferedString); - - Start = (DimensionsWidth - ScreenSize - 2) / 2 + gScreenDimensions.LeftColumn + 1; - Top = ((DimensionsHeight - 6) / 2) + gScreenDimensions.TopRow - 1; - - // - // Display prompt for string - // - CreatePopUp (ScreenSize, 4, &NullCharacter, Prompt, Space, &NullCharacter); - - gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_BLACK, EFI_LIGHTGRAY)); - - CursorVisible = gST->ConOut->Mode->CursorVisible; - gST->ConOut->EnableCursor (gST->ConOut, TRUE); - - do { - Status = WaitForKeyStroke (&Key); - ASSERT_EFI_ERROR (Status); - - gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_BLACK, EFI_LIGHTGRAY)); - switch (Key.UnicodeChar) { - case CHAR_NULL: - switch (Key.ScanCode) { - case SCAN_LEFT: - break; - - case SCAN_RIGHT: - break; - - case SCAN_ESC: - gBS->FreePool (TempString); - gBS->FreePool (BufferedString); - gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK)); - gST->ConOut->EnableCursor (gST->ConOut, CursorVisible); - return EFI_DEVICE_ERROR; - - default: - break; - } - - break; - - case CHAR_CARRIAGE_RETURN: - if (GetStringWidth (StringPtr) >= ((Minimum + 1) * sizeof (CHAR16))) { - - gBS->FreePool (TempString); - gBS->FreePool (BufferedString); - gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK)); - gST->ConOut->EnableCursor (gST->ConOut, CursorVisible); - return EFI_SUCCESS; - } else { - // - // Simply create a popup to tell the user that they had typed in too few characters. - // To save code space, we can then treat this as an error and return back to the menu. - // - do { - CreateDialog (4, TRUE, 0, NULL, &Key, &NullCharacter, gMiniString, gPressEnter, &NullCharacter); - } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN); - - gBS->FreePool (TempString); - gBS->FreePool (BufferedString); - gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK)); - gST->ConOut->EnableCursor (gST->ConOut, CursorVisible); - return EFI_DEVICE_ERROR; - } - - break; - - case CHAR_BACKSPACE: - if (StringPtr[0] != CHAR_NULL) { - for (Index = 0; StringPtr[Index] != CHAR_NULL; Index++) { - TempString[Index] = StringPtr[Index]; - } - // - // Effectively truncate string by 1 character - // - TempString[Index - 1] = CHAR_NULL; - StrCpy (StringPtr, TempString); - } - - default: - // - // If it is the beginning of the string, don't worry about checking maximum limits - // - if ((StringPtr[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) { - StrnCpy (StringPtr, &Key.UnicodeChar, 1); - StrnCpy (TempString, &Key.UnicodeChar, 1); - } else if ((GetStringWidth (StringPtr) < ((Maximum + 1) * sizeof (CHAR16))) && (Key.UnicodeChar != CHAR_BACKSPACE)) { - KeyPad[0] = Key.UnicodeChar; - KeyPad[1] = CHAR_NULL; - StrCat (StringPtr, KeyPad); - StrCat (TempString, KeyPad); - } - - // - // If the width of the input string is now larger than the screen, we nee to - // adjust the index to start printing portions of the string - // - SetUnicodeMem (BufferedString, ScreenSize - 1, L' '); - PrintStringAt (Start + 1, Top + 3, BufferedString); - - if ((GetStringWidth (StringPtr) / 2) > (DimensionsWidth - 2)) { - Index = (GetStringWidth (StringPtr) / 2) - DimensionsWidth + 2; - } else { - Index = 0; - } - - if (IsPassword) { - gST->ConOut->SetCursorPosition (gST->ConOut, Start + 1, Top + 3); - } - - for (Count = 0; Index + 1 < GetStringWidth (StringPtr) / 2; Index++, Count++) { - BufferedString[Count] = StringPtr[Index]; - - if (IsPassword) { - PrintChar (L'*'); - } - } - - if (!IsPassword) { - PrintStringAt (Start + 1, Top + 3, BufferedString); - } - break; - } - - gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK)); - gST->ConOut->SetCursorPosition (gST->ConOut, Start + GetStringWidth (StringPtr) / 2, Top + 3); - } 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[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; - } - } - - ZeroMem (FormattedNumber, 21 * sizeof (CHAR16)); - if (Question->Operand == EFI_IFR_DATE_OP) { - if (MenuOption->Sequence == 2) { - // - // Year - // - UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%04d", EditValue); - } else { - // - // Month/Day - // - UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%02d", 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) { - UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%02d", 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); - } - } - 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 = MultU64x32 (EditValue, 10) + (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); - -} - - -/** - 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; - EFI_HII_VALUE HiiValue; - EFI_HII_VALUE *HiiValueArray; - UINTN OptionCount; - QUESTION_OPTION *OneOfOption; - QUESTION_OPTION *CurrentOption; - FORM_BROWSER_STATEMENT *Question; - - DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn; - - ValueArray = NULL; - 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; - OrderedList = TRUE; - } else { - OrderedList = FALSE; - } - - // - // Calculate Option count - // - if (OrderedList) { - for (Index = 0; Index < Question->MaxContainers; Index++) { - if (ValueArray[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 = EFI_IFR_TYPE_NUM_SIZE_8; - HiiValueArray[Index].Value.u8 = ValueArray[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) && - (OneOfOption->SuppressExpression->Result.Value.b)) { - // - // 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); - } - gBS->FreePool (StringPtr); - - if (!OrderedList && CompareHiiValue (&Question->HiiValue, &OneOfOption->Value, NULL) == 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 - FOOTER_HEIGHT - 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); - // - // 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))); - gBS->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++; - gBS->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--; - - 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++; - - 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 = EFI_IFR_TYPE_NUM_SIZE_8; - HiiValue.Value.u64 = 0; - for (Index = 0; Index < Question->MaxContainers; Index++) { - HiiValue.Value.u8 = ValueArray[Index]; - if (HiiValue.Value.u8) { - break; - } - - OneOfOption = ValueToOption (Question, &HiiValue); - if (OneOfOption == NULL) { - return EFI_NOT_FOUND; - } - - RemoveEntryList (&OneOfOption->Link); - InsertTailList (&Question->OptionListHead, &OneOfOption->Link); - } - } - - gBS->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); - - Question->BufferValue[Index] = OneOfOption->Value.Value.u8; - - Index++; - if (Index > Question->MaxContainers) { - break; - } - - Link = GetNextNode (&Question->OptionListHead, Link); - } - } else { - CopyMem (&Question->HiiValue, &CurrentOption->Value, sizeof (EFI_HII_VALUE)); - } - - gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute); - gBS->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 (NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE); - } - - return Status; - - default: - break; - } - } while (TRUE); - -} - -EFI_STATUS -WaitForKeyStroke ( - OUT EFI_INPUT_KEY *Key - ) -{ - EFI_STATUS Status; - - do { - UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, 0); - Status = gST->ConIn->ReadKeyStroke (gST->ConIn, Key); - } while (EFI_ERROR(Status)); - - return Status; -} +/** @file
+Implementation for handling user input from the User Interfaces.
+
+Copyright (c) 2004 - 2007, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which 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 "Ui.h"
+#include "Setup.h"
+
+
+/**
+ Get string or password input from user.
+
+ @param MenuOption Pointer to the current input menu.
+ @param Prompt The prompt string shown on popup window.
+ @param StringPtr Destination for use input string.
+
+ @retval EFI_SUCCESS If string input is read successfully
+ @retval EFI_DEVICE_ERROR If operation fails
+
+**/
+EFI_STATUS
+ReadString (
+ IN UI_MENU_OPTION *MenuOption,
+ IN CHAR16 *Prompt,
+ OUT CHAR16 *StringPtr
+ )
+{
+ EFI_STATUS Status;
+ EFI_INPUT_KEY Key;
+ CHAR16 NullCharacter;
+ UINTN ScreenSize;
+ CHAR16 Space[2];
+ CHAR16 KeyPad[2];
+ CHAR16 *TempString;
+ CHAR16 *BufferedString;
+ UINTN Index;
+ UINTN Count;
+ UINTN Start;
+ UINTN Top;
+ UINTN DimensionsWidth;
+ UINTN DimensionsHeight;
+ BOOLEAN CursorVisible;
+ UINTN Minimum;
+ UINTN Maximum;
+ FORM_BROWSER_STATEMENT *Question;
+ BOOLEAN IsPassword;
+
+ DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;
+ DimensionsHeight = gScreenDimensions.BottomRow - gScreenDimensions.TopRow;
+
+ NullCharacter = CHAR_NULL;
+ ScreenSize = GetStringWidth (Prompt) / sizeof (CHAR16);
+ Space[0] = L' ';
+ Space[1] = CHAR_NULL;
+
+ Question = MenuOption->ThisTag;
+ Minimum = (UINTN) Question->Minimum;
+ Maximum = (UINTN) Question->Maximum;
+
+ if (Question->Operand == EFI_IFR_PASSWORD_OP) {
+ IsPassword = TRUE;
+ } else {
+ IsPassword = FALSE;
+ }
+
+ TempString = AllocateZeroPool ((Maximum + 1)* sizeof (CHAR16));
+ ASSERT (TempString);
+
+ if (ScreenSize < (Maximum + 1)) {
+ ScreenSize = Maximum + 1;
+ }
+
+ if ((ScreenSize + 2) > DimensionsWidth) {
+ ScreenSize = DimensionsWidth - 2;
+ }
+
+ BufferedString = AllocateZeroPool (ScreenSize * 2);
+ ASSERT (BufferedString);
+
+ Start = (DimensionsWidth - ScreenSize - 2) / 2 + gScreenDimensions.LeftColumn + 1;
+ Top = ((DimensionsHeight - 6) / 2) + gScreenDimensions.TopRow - 1;
+
+ //
+ // Display prompt for string
+ //
+ CreatePopUp (ScreenSize, 4, &NullCharacter, Prompt, Space, &NullCharacter);
+
+ gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_BLACK, EFI_LIGHTGRAY));
+
+ CursorVisible = gST->ConOut->Mode->CursorVisible;
+ gST->ConOut->EnableCursor (gST->ConOut, TRUE);
+
+ do {
+ Status = WaitForKeyStroke (&Key);
+ ASSERT_EFI_ERROR (Status);
+
+ gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_BLACK, EFI_LIGHTGRAY));
+ switch (Key.UnicodeChar) {
+ case CHAR_NULL:
+ switch (Key.ScanCode) {
+ case SCAN_LEFT:
+ break;
+
+ case SCAN_RIGHT:
+ break;
+
+ case SCAN_ESC:
+ gBS->FreePool (TempString);
+ gBS->FreePool (BufferedString);
+ gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
+ gST->ConOut->EnableCursor (gST->ConOut, CursorVisible);
+ return EFI_DEVICE_ERROR;
+
+ default:
+ break;
+ }
+
+ break;
+
+ case CHAR_CARRIAGE_RETURN:
+ if (GetStringWidth (StringPtr) >= ((Minimum + 1) * sizeof (CHAR16))) {
+
+ gBS->FreePool (TempString);
+ gBS->FreePool (BufferedString);
+ gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
+ gST->ConOut->EnableCursor (gST->ConOut, CursorVisible);
+ return EFI_SUCCESS;
+ } else {
+ //
+ // Simply create a popup to tell the user that they had typed in too few characters.
+ // To save code space, we can then treat this as an error and return back to the menu.
+ //
+ do {
+ CreateDialog (4, TRUE, 0, NULL, &Key, &NullCharacter, gMiniString, gPressEnter, &NullCharacter);
+ } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
+
+ gBS->FreePool (TempString);
+ gBS->FreePool (BufferedString);
+ gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
+ gST->ConOut->EnableCursor (gST->ConOut, CursorVisible);
+ return EFI_DEVICE_ERROR;
+ }
+
+ break;
+
+ case CHAR_BACKSPACE:
+ if (StringPtr[0] != CHAR_NULL) {
+ for (Index = 0; StringPtr[Index] != CHAR_NULL; Index++) {
+ TempString[Index] = StringPtr[Index];
+ }
+ //
+ // Effectively truncate string by 1 character
+ //
+ TempString[Index - 1] = CHAR_NULL;
+ StrCpy (StringPtr, TempString);
+ }
+
+ default:
+ //
+ // If it is the beginning of the string, don't worry about checking maximum limits
+ //
+ if ((StringPtr[0] == CHAR_NULL) && (Key.UnicodeChar != CHAR_BACKSPACE)) {
+ StrnCpy (StringPtr, &Key.UnicodeChar, 1);
+ StrnCpy (TempString, &Key.UnicodeChar, 1);
+ } else if ((GetStringWidth (StringPtr) < ((Maximum + 1) * sizeof (CHAR16))) && (Key.UnicodeChar != CHAR_BACKSPACE)) {
+ KeyPad[0] = Key.UnicodeChar;
+ KeyPad[1] = CHAR_NULL;
+ StrCat (StringPtr, KeyPad);
+ StrCat (TempString, KeyPad);
+ }
+
+ //
+ // If the width of the input string is now larger than the screen, we nee to
+ // adjust the index to start printing portions of the string
+ //
+ SetUnicodeMem (BufferedString, ScreenSize - 1, L' ');
+ PrintStringAt (Start + 1, Top + 3, BufferedString);
+
+ if ((GetStringWidth (StringPtr) / 2) > (DimensionsWidth - 2)) {
+ Index = (GetStringWidth (StringPtr) / 2) - DimensionsWidth + 2;
+ } else {
+ Index = 0;
+ }
+
+ if (IsPassword) {
+ gST->ConOut->SetCursorPosition (gST->ConOut, Start + 1, Top + 3);
+ }
+
+ for (Count = 0; Index + 1 < GetStringWidth (StringPtr) / 2; Index++, Count++) {
+ BufferedString[Count] = StringPtr[Index];
+
+ if (IsPassword) {
+ PrintChar (L'*');
+ }
+ }
+
+ if (!IsPassword) {
+ PrintStringAt (Start + 1, Top + 3, BufferedString);
+ }
+ break;
+ }
+
+ gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
+ gST->ConOut->SetCursorPosition (gST->ConOut, Start + GetStringWidth (StringPtr) / 2, Top + 3);
+ } 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[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;
+ }
+ }
+
+ ZeroMem (FormattedNumber, 21 * sizeof (CHAR16));
+ if (Question->Operand == EFI_IFR_DATE_OP) {
+ if (MenuOption->Sequence == 2) {
+ //
+ // Year
+ //
+ UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%04d", EditValue);
+ } else {
+ //
+ // Month/Day
+ //
+ UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%02d", 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) {
+ UnicodeSPrint (FormattedNumber, 21 * sizeof (CHAR16), L"%02d", 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);
+ }
+ }
+ 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 = MultU64x32 (EditValue, 10) + (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);
+
+}
+
+
+/**
+ 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;
+ EFI_HII_VALUE HiiValue;
+ EFI_HII_VALUE *HiiValueArray;
+ UINTN OptionCount;
+ QUESTION_OPTION *OneOfOption;
+ QUESTION_OPTION *CurrentOption;
+ FORM_BROWSER_STATEMENT *Question;
+
+ DimensionsWidth = gScreenDimensions.RightColumn - gScreenDimensions.LeftColumn;
+
+ ValueArray = NULL;
+ 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;
+ OrderedList = TRUE;
+ } else {
+ OrderedList = FALSE;
+ }
+
+ //
+ // Calculate Option count
+ //
+ if (OrderedList) {
+ for (Index = 0; Index < Question->MaxContainers; Index++) {
+ if (ValueArray[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 = EFI_IFR_TYPE_NUM_SIZE_8;
+ HiiValueArray[Index].Value.u8 = ValueArray[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) &&
+ (OneOfOption->SuppressExpression->Result.Value.b)) {
+ //
+ // 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);
+ }
+ gBS->FreePool (StringPtr);
+
+ if (!OrderedList && CompareHiiValue (&Question->HiiValue, &OneOfOption->Value, NULL) == 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 - FOOTER_HEIGHT - 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);
+ //
+ // 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)));
+ gBS->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++;
+ gBS->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--;
+
+ 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++;
+
+ 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 = EFI_IFR_TYPE_NUM_SIZE_8;
+ HiiValue.Value.u64 = 0;
+ for (Index = 0; Index < Question->MaxContainers; Index++) {
+ HiiValue.Value.u8 = ValueArray[Index];
+ if (HiiValue.Value.u8) {
+ break;
+ }
+
+ OneOfOption = ValueToOption (Question, &HiiValue);
+ if (OneOfOption == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ RemoveEntryList (&OneOfOption->Link);
+ InsertTailList (&Question->OptionListHead, &OneOfOption->Link);
+ }
+ }
+
+ gBS->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);
+
+ Question->BufferValue[Index] = OneOfOption->Value.Value.u8;
+
+ Index++;
+ if (Index > Question->MaxContainers) {
+ break;
+ }
+
+ Link = GetNextNode (&Question->OptionListHead, Link);
+ }
+ } else {
+ CopyMem (&Question->HiiValue, &CurrentOption->Value, sizeof (EFI_HII_VALUE));
+ }
+
+ gST->ConOut->SetAttribute (gST->ConOut, SavedAttribute);
+ gBS->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 (NV_UPDATE_REQUIRED, Question->QuestionFlags, TRUE);
+ }
+
+ return Status;
+
+ default:
+ break;
+ }
+ } while (TRUE);
+
+}
+
+/**
+ Wait for a key to be pressed by user.
+
+ @param Key The key which is pressed by user.
+
+ @retval EFI_SUCCESS The function always completed successfully.
+
+**/
+EFI_STATUS
+WaitForKeyStroke (
+ OUT EFI_INPUT_KEY *Key
+ )
+{
+ EFI_STATUS Status;
+
+ do {
+ UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, 0);
+ Status = gST->ConIn->ReadKeyStroke (gST->ConIn, Key);
+ } while (EFI_ERROR(Status));
+
+ return Status;
+}
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