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-rw-r--r--MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c3255
1 files changed, 0 insertions, 3255 deletions
diff --git a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c b/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
deleted file mode 100644
index a07cc75a47..0000000000
--- a/MdeModulePkg/Universal/DisplayEngineDxe/FormDisplay.c
+++ /dev/null
@@ -1,3255 +0,0 @@
-/** @file
-Entry and initialization module for the browser.
-
-Copyright (c) 2007 - 2013, Intel Corporation. All rights reserved.<BR>
-This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-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 "FormDisplay.h"
-
-//
-// Search table for UiDisplayMenu()
-//
-SCAN_CODE_TO_SCREEN_OPERATION gScanCodeToOperation[] = {
- {
- SCAN_UP,
- UiUp,
- },
- {
- SCAN_DOWN,
- UiDown,
- },
- {
- SCAN_PAGE_UP,
- UiPageUp,
- },
- {
- SCAN_PAGE_DOWN,
- UiPageDown,
- },
- {
- SCAN_ESC,
- UiReset,
- },
- {
- SCAN_LEFT,
- UiLeft,
- },
- {
- SCAN_RIGHT,
- UiRight,
- }
-};
-
-UINTN mScanCodeNumber = sizeof (gScanCodeToOperation) / sizeof (gScanCodeToOperation[0]);
-
-SCREEN_OPERATION_T0_CONTROL_FLAG gScreenOperationToControlFlag[] = {
- {
- UiNoOperation,
- CfUiNoOperation,
- },
- {
- UiSelect,
- CfUiSelect,
- },
- {
- UiUp,
- CfUiUp,
- },
- {
- UiDown,
- CfUiDown,
- },
- {
- UiLeft,
- CfUiLeft,
- },
- {
- UiRight,
- CfUiRight,
- },
- {
- UiReset,
- CfUiReset,
- },
- {
- UiPageUp,
- CfUiPageUp,
- },
- {
- UiPageDown,
- CfUiPageDown
- },
- {
- UiHotKey,
- CfUiHotKey
- }
-};
-
-EFI_GUID gDisplayEngineGuid = {
- 0xE38C1029, 0xE38F, 0x45b9, {0x8F, 0x0D, 0xE2, 0xE6, 0x0B, 0xC9, 0xB2, 0x62}
-};
-
-FORM_ENTRY_INFO gFormEntryInfo;
-UINTN gSequence;
-EFI_SCREEN_DESCRIPTOR gStatementDimensions;
-BOOLEAN mStatementLayoutIsChanged = TRUE;
-USER_INPUT *gUserInput;
-FORM_DISPLAY_ENGINE_FORM *gFormData;
-EFI_HII_HANDLE gHiiHandle;
-UINT16 gDirection;
-LIST_ENTRY gMenuOption;
-DISPLAY_HIGHLIGHT_MENU_INFO gHighligthMenuInfo = {0};
-BOOLEAN mIsFirstForm = TRUE;
-FORM_ENTRY_INFO gOldFormEntry = {0};
-
-//
-// Browser Global Strings
-//
-CHAR16 *gFormNotFound;
-CHAR16 *gNoSubmitIf;
-CHAR16 *gBrwoserError;
-CHAR16 *gSaveFailed;
-CHAR16 *gPromptForData;
-CHAR16 *gPromptForPassword;
-CHAR16 *gPromptForNewPassword;
-CHAR16 *gConfirmPassword;
-CHAR16 *gConfirmError;
-CHAR16 *gPassowordInvalid;
-CHAR16 *gPressEnter;
-CHAR16 *gEmptyString;
-CHAR16 *gMiniString;
-CHAR16 *gOptionMismatch;
-CHAR16 *gFormSuppress;
-CHAR16 *gProtocolNotFound;
-
-CHAR16 gPromptBlockWidth;
-CHAR16 gOptionBlockWidth;
-CHAR16 gHelpBlockWidth;
-CHAR16 *mUnknownString;
-
-FORM_DISPLAY_DRIVER_PRIVATE_DATA mPrivateData = {
- FORM_DISPLAY_DRIVER_SIGNATURE,
- NULL,
- {
- FormDisplay,
- DriverClearDisplayPage,
- ConfirmDataChange
- }
-};
-
-
-/**
- Get the string based on the StringId and HII Package List Handle.
-
- @param Token The String's ID.
- @param HiiHandle The package list in the HII database to search for
- the specified string.
-
- @return The output string.
-
-**/
-CHAR16 *
-GetToken (
- IN EFI_STRING_ID Token,
- IN EFI_HII_HANDLE HiiHandle
- )
-{
- EFI_STRING String;
-
- String = HiiGetString (HiiHandle, Token, NULL);
- if (String == NULL) {
- String = AllocateCopyPool (StrSize (mUnknownString), mUnknownString);
- ASSERT (String != NULL);
- }
-
- return (CHAR16 *) String;
-}
-
-
-/**
- Initialize the HII String Token to the correct values.
-
-**/
-VOID
-InitializeDisplayStrings (
- VOID
- )
-{
- mUnknownString = GetToken (STRING_TOKEN (UNKNOWN_STRING), gHiiHandle);
- gSaveFailed = GetToken (STRING_TOKEN (SAVE_FAILED), gHiiHandle);
- gPromptForData = GetToken (STRING_TOKEN (PROMPT_FOR_DATA), gHiiHandle);
- gPromptForPassword = GetToken (STRING_TOKEN (PROMPT_FOR_PASSWORD), gHiiHandle);
- gPromptForNewPassword = GetToken (STRING_TOKEN (PROMPT_FOR_NEW_PASSWORD), gHiiHandle);
- gConfirmPassword = GetToken (STRING_TOKEN (CONFIRM_PASSWORD), gHiiHandle);
- gConfirmError = GetToken (STRING_TOKEN (CONFIRM_ERROR), gHiiHandle);
- gPassowordInvalid = GetToken (STRING_TOKEN (PASSWORD_INVALID), gHiiHandle);
- gPressEnter = GetToken (STRING_TOKEN (PRESS_ENTER), gHiiHandle);
- gEmptyString = GetToken (STRING_TOKEN (EMPTY_STRING), gHiiHandle);
- gMiniString = GetToken (STRING_TOKEN (MINI_STRING), gHiiHandle);
- gOptionMismatch = GetToken (STRING_TOKEN (OPTION_MISMATCH), gHiiHandle);
- gFormSuppress = GetToken (STRING_TOKEN (FORM_SUPPRESSED), gHiiHandle);
- gProtocolNotFound = GetToken (STRING_TOKEN (PROTOCOL_NOT_FOUND), gHiiHandle);
- gFormNotFound = GetToken (STRING_TOKEN (STATUS_BROWSER_FORM_NOT_FOUND), gHiiHandle);
- gNoSubmitIf = GetToken (STRING_TOKEN (STATUS_BROWSER_NO_SUBMIT_IF), gHiiHandle);
- gBrwoserError = GetToken (STRING_TOKEN (STATUS_BROWSER_ERROR), gHiiHandle);
-}
-
-/**
- Free up the resource allocated for all strings required
- by Setup Browser.
-
-**/
-VOID
-FreeDisplayStrings (
- VOID
- )
-{
- FreePool (mUnknownString);
- FreePool (gEmptyString);
- FreePool (gSaveFailed);
- FreePool (gPromptForData);
- FreePool (gPromptForPassword);
- FreePool (gPromptForNewPassword);
- FreePool (gConfirmPassword);
- FreePool (gConfirmError);
- FreePool (gPassowordInvalid);
- FreePool (gPressEnter);
- FreePool (gMiniString);
- FreePool (gOptionMismatch);
- FreePool (gFormSuppress);
- FreePool (gProtocolNotFound);
- FreePool (gBrwoserError);
- FreePool (gNoSubmitIf);
- FreePool (gFormNotFound);
-}
-
-/**
- Get prompt string id from the opcode data buffer.
-
- @param OpCode The input opcode buffer.
-
- @return The prompt string id.
-
-**/
-EFI_STRING_ID
-GetPrompt (
- IN EFI_IFR_OP_HEADER *OpCode
- )
-{
- EFI_IFR_STATEMENT_HEADER *Header;
-
- if (OpCode->Length <= sizeof (EFI_IFR_OP_HEADER)) {
- return 0;
- }
-
- Header = (EFI_IFR_STATEMENT_HEADER *) (OpCode + 1);
-
- return Header->Prompt;
-}
-
-/**
- Get the supported width for a particular op-code
-
- @param Statement The curent statement.
-
- @return Returns the number of CHAR16 characters that is support.
-
-**/
-UINT16
-GetWidth (
- IN FORM_DISPLAY_ENGINE_STATEMENT *Statement
- )
-{
- CHAR16 *String;
- UINTN Size;
- UINT16 Width;
- EFI_IFR_TEXT *TestOp;
-
- Size = 0;
-
- //
- // See if the second text parameter is really NULL
- //
- if (Statement->OpCode->OpCode == EFI_IFR_TEXT_OP) {
- TestOp = (EFI_IFR_TEXT *) Statement->OpCode;
- if (TestOp->TextTwo != 0) {
- String = GetToken (TestOp->TextTwo, gFormData->HiiHandle);
- Size = StrLen (String);
- FreePool (String);
- }
- }
-
- if ((Statement->OpCode->OpCode == EFI_IFR_SUBTITLE_OP) ||
- (Statement->OpCode->OpCode == EFI_IFR_REF_OP) ||
- (Statement->OpCode->OpCode == EFI_IFR_PASSWORD_OP) ||
- (Statement->OpCode->OpCode == EFI_IFR_ACTION_OP) ||
- (Statement->OpCode->OpCode == EFI_IFR_RESET_BUTTON_OP) ||
- //
- // Allow a wide display if text op-code and no secondary text op-code
- //
- ((Statement->OpCode->OpCode == EFI_IFR_TEXT_OP) && (Size == 0))
- ) {
- Width = (UINT16) (gPromptBlockWidth + gOptionBlockWidth);
- } else {
- Width = (UINT16) gPromptBlockWidth;
- }
-
- return (UINT16) (Width - LEFT_SKIPPED_COLUMNS);
-}
-
-/**
- Will copy LineWidth amount of a string in the OutputString buffer and return the
- number of CHAR16 characters that were copied into the OutputString buffer.
- The output string format is:
- Glyph Info + String info + '\0'.
-
- In the code, it deals \r,\n,\r\n same as \n\r, also it not process the \r or \g.
-
- @param InputString String description for this option.
- @param LineWidth Width of the desired string to extract in CHAR16
- characters
- @param GlyphWidth The glyph width of the begin of the char in the string.
- @param Index Where in InputString to start the copy process
- @param OutputString Buffer to copy the string into
-
- @return Returns the number of CHAR16 characters that were copied into the OutputString
- buffer, include extra glyph info and '\0' info.
-
-**/
-UINT16
-GetLineByWidth (
- IN CHAR16 *InputString,
- IN UINT16 LineWidth,
- IN OUT UINT16 *GlyphWidth,
- IN OUT UINTN *Index,
- OUT CHAR16 **OutputString
- )
-{
- UINT16 StrOffset;
- UINT16 GlyphOffset;
- UINT16 OriginalGlyphWidth;
- BOOLEAN ReturnFlag;
- UINT16 LastSpaceOffset;
- UINT16 LastGlyphWidth;
-
- if (InputString == NULL || Index == NULL || OutputString == NULL) {
- return 0;
- }
-
- if (LineWidth == 0 || *GlyphWidth == 0) {
- return 0;
- }
-
- //
- // Save original glyph width.
- //
- OriginalGlyphWidth = *GlyphWidth;
- LastGlyphWidth = OriginalGlyphWidth;
- ReturnFlag = FALSE;
- LastSpaceOffset = 0;
-
- //
- // NARROW_CHAR can not be printed in screen, so if a line only contain the two CHARs: 'NARROW_CHAR + CHAR_CARRIAGE_RETURN' , it is a empty line in Screen.
- // To avoid displaying this empty line in screen, just skip the two CHARs here.
- //
- if ((InputString[*Index] == NARROW_CHAR) && (InputString[*Index + 1] == CHAR_CARRIAGE_RETURN)) {
- *Index = *Index + 2;
- }
-
- //
- // Fast-forward the string and see if there is a carriage-return in the string
- //
- for (StrOffset = 0, GlyphOffset = 0; GlyphOffset <= LineWidth; StrOffset++) {
- switch (InputString[*Index + StrOffset]) {
- case NARROW_CHAR:
- *GlyphWidth = 1;
- break;
-
- case WIDE_CHAR:
- *GlyphWidth = 2;
- break;
-
- case CHAR_CARRIAGE_RETURN:
- case CHAR_LINEFEED:
- case CHAR_NULL:
- ReturnFlag = TRUE;
- break;
-
- default:
- GlyphOffset = GlyphOffset + *GlyphWidth;
-
- //
- // Record the last space info in this line. Will be used in rewind.
- //
- if ((InputString[*Index + StrOffset] == CHAR_SPACE) && (GlyphOffset <= LineWidth)) {
- LastSpaceOffset = StrOffset;
- LastGlyphWidth = *GlyphWidth;
- }
- break;
- }
-
- if (ReturnFlag) {
- break;
- }
- }
-
- //
- // Rewind the string from the maximum size until we see a space to break the line
- //
- if (GlyphOffset > LineWidth) {
- //
- // Rewind the string to last space char in this line.
- //
- if (LastSpaceOffset != 0) {
- StrOffset = LastSpaceOffset;
- *GlyphWidth = LastGlyphWidth;
- } else {
- //
- // Roll back to last char in the line width.
- //
- StrOffset--;
- }
- }
-
- //
- // The CHAR_NULL has process last time, this time just return 0 to stand for the end.
- //
- if (StrOffset == 0 && (InputString[*Index + StrOffset] == CHAR_NULL)) {
- return 0;
- }
-
- //
- // Need extra glyph info and '\0' info, so +2.
- //
- *OutputString = AllocateZeroPool (((UINTN) (StrOffset + 2) * sizeof(CHAR16)));
- if (*OutputString == NULL) {
- return 0;
- }
-
- //
- // Save the glyph info at the begin of the string, will used by Print function.
- //
- if (OriginalGlyphWidth == 1) {
- *(*OutputString) = NARROW_CHAR;
- } else {
- *(*OutputString) = WIDE_CHAR;
- }
-
- CopyMem ((*OutputString) + 1, &InputString[*Index], StrOffset * sizeof(CHAR16));
-
- if (InputString[*Index + StrOffset] == CHAR_SPACE) {
- //
- // Skip the space info at the begin of next line.
- //
- *Index = (UINT16) (*Index + StrOffset + 1);
- } else if (InputString[*Index + StrOffset] == CHAR_LINEFEED) {
- //
- // Skip the /n or /n/r info.
- //
- if (InputString[*Index + StrOffset + 1] == CHAR_CARRIAGE_RETURN) {
- *Index = (UINT16) (*Index + StrOffset + 2);
- } else {
- *Index = (UINT16) (*Index + StrOffset + 1);
- }
- } else if (InputString[*Index + StrOffset] == CHAR_CARRIAGE_RETURN) {
- //
- // Skip the /r or /r/n info.
- //
- if (InputString[*Index + StrOffset + 1] == CHAR_LINEFEED) {
- *Index = (UINT16) (*Index + StrOffset + 2);
- } else {
- *Index = (UINT16) (*Index + StrOffset + 1);
- }
- } else {
- *Index = (UINT16) (*Index + StrOffset);
- }
-
- //
- // Include extra glyph info and '\0' info, so +2.
- //
- return StrOffset + 2;
-}
-
-/**
- Add one menu option by specified description and context.
-
- @param Statement Statement of this Menu Option.
- @param MenuItemCount The index for this Option in the Menu.
- @param NestIn Whether this statement is nest in another statement.
-
-**/
-VOID
-UiAddMenuOption (
- IN FORM_DISPLAY_ENGINE_STATEMENT *Statement,
- IN UINT16 *MenuItemCount,
- IN BOOLEAN NestIn
- )
-{
- UI_MENU_OPTION *MenuOption;
- UINTN Index;
- UINTN Count;
- CHAR16 *String;
- UINT16 NumberOfLines;
- UINT16 GlyphWidth;
- UINT16 Width;
- UINTN ArrayEntry;
- CHAR16 *OutputString;
- EFI_STRING_ID PromptId;
-
- NumberOfLines = 1;
- ArrayEntry = 0;
- GlyphWidth = 1;
- Count = 1;
- MenuOption = NULL;
-
- PromptId = GetPrompt (Statement->OpCode);
- ASSERT (PromptId != 0);
-
- String = GetToken (PromptId, gFormData->HiiHandle);
- ASSERT (String != NULL);
-
- Width = GetWidth (Statement);
- for (; GetLineByWidth (String, Width, &GlyphWidth,&ArrayEntry, &OutputString) != 0x0000;) {
- //
- // If there is more string to process print on the next row and increment the Skip value
- //
- if (StrLen (&String[ArrayEntry]) != 0) {
- NumberOfLines++;
- }
- FreePool (OutputString);
- }
-
- if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP || Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {
- //
- // Add three MenuOptions for Date/Time
- // Data format : [01/02/2004] [11:22:33]
- // Line number : 0 0 1 0 0 1
- //
- NumberOfLines = 0;
- Count = 3;
- }
-
- for (Index = 0; Index < Count; Index++) {
- MenuOption = AllocateZeroPool (sizeof (UI_MENU_OPTION));
- ASSERT (MenuOption);
-
- MenuOption->Signature = UI_MENU_OPTION_SIGNATURE;
- MenuOption->Description = String;
- MenuOption->Handle = gFormData->HiiHandle;
- MenuOption->ThisTag = Statement;
- MenuOption->NestInStatement = NestIn;
- MenuOption->EntryNumber = *MenuItemCount;
-
- if (Index == 2) {
- //
- // Override LineNumber for the MenuOption in Date/Time sequence
- //
- MenuOption->Skip = 1;
- } else {
- MenuOption->Skip = NumberOfLines;
- }
- MenuOption->Sequence = Index;
-
- if ((Statement->Attribute & HII_DISPLAY_GRAYOUT) != 0) {
- MenuOption->GrayOut = TRUE;
- } else {
- MenuOption->GrayOut = FALSE;
- }
-
- if ((Statement->Attribute & HII_DISPLAY_LOCK) != 0 || (gFormData->Attribute & HII_DISPLAY_LOCK) != 0) {
- MenuOption->GrayOut = TRUE;
- }
-
- //
- // If the form or the question has the lock attribute, deal same as grayout.
- //
- if ((gFormData->Attribute & HII_DISPLAY_LOCK) != 0 || (Statement->Attribute & HII_DISPLAY_LOCK) != 0) {
- MenuOption->GrayOut = TRUE;
- }
-
- 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:
- case EFI_IFR_CHECKBOX_OP:
- case EFI_IFR_PASSWORD_OP:
- case EFI_IFR_STRING_OP:
- //
- // User could change the value of these items
- //
- MenuOption->IsQuestion = TRUE;
- break;
- case EFI_IFR_TEXT_OP:
- if (FeaturePcdGet (PcdBrowserGrayOutTextStatement)) {
- //
- // Initializing GrayOut option as TRUE for Text setup options
- // so that those options will be Gray in colour and un selectable.
- //
- MenuOption->GrayOut = TRUE;
- }
- break;
- default:
- MenuOption->IsQuestion = FALSE;
- break;
- }
-
- if ((Statement->Attribute & HII_DISPLAY_READONLY) != 0) {
- MenuOption->ReadOnly = TRUE;
- if (FeaturePcdGet (PcdBrowerGrayOutReadOnlyMenu)) {
- MenuOption->GrayOut = TRUE;
- }
- }
-
- InsertTailList (&gMenuOption, &MenuOption->Link);
- }
-
- (*MenuItemCount)++;
-}
-
-/**
- Create the menu list base on the form data info.
-
-**/
-VOID
-ConvertStatementToMenu (
- VOID
- )
-{
- UINT16 MenuItemCount;
- LIST_ENTRY *Link;
- LIST_ENTRY *NestLink;
- FORM_DISPLAY_ENGINE_STATEMENT *Statement;
- FORM_DISPLAY_ENGINE_STATEMENT *NestStatement;
-
- MenuItemCount = 0;
- InitializeListHead (&gMenuOption);
-
- Link = GetFirstNode (&gFormData->StatementListHead);
- while (!IsNull (&gFormData->StatementListHead, Link)) {
- Statement = FORM_DISPLAY_ENGINE_STATEMENT_FROM_LINK (Link);
- Link = GetNextNode (&gFormData->StatementListHead, Link);
-
- //
- // Skip the opcode not recognized by Display core.
- //
- if (Statement->OpCode->OpCode == EFI_IFR_GUID_OP) {
- continue;
- }
-
- UiAddMenuOption (Statement, &MenuItemCount, FALSE);
-
- //
- // Check the statement nest in this host statement.
- //
- NestLink = GetFirstNode (&Statement->NestStatementList);
- while (!IsNull (&Statement->NestStatementList, NestLink)) {
- NestStatement = FORM_DISPLAY_ENGINE_STATEMENT_FROM_LINK (NestLink);
- NestLink = GetNextNode (&Statement->NestStatementList, NestLink);
-
- UiAddMenuOption (NestStatement, &MenuItemCount, TRUE);
- }
- }
-}
-
-/**
- Count the storage space of a Unicode string.
-
- This function handles the Unicode string with NARROW_CHAR
- and WIDE_CHAR control characters. NARROW_HCAR and WIDE_CHAR
- does not count in the resultant output. If a WIDE_CHAR is
- hit, then 2 Unicode character will consume an output storage
- space with size of CHAR16 till a NARROW_CHAR is hit.
-
- If String is NULL, then ASSERT ().
-
- @param String The input string to be counted.
-
- @return Storage space for the input string.
-
-**/
-UINTN
-GetStringWidth (
- IN CHAR16 *String
- )
-{
- UINTN Index;
- UINTN Count;
- UINTN IncrementValue;
-
- ASSERT (String != NULL);
- if (String == NULL) {
- return 0;
- }
-
- Index = 0;
- Count = 0;
- IncrementValue = 1;
-
- do {
- //
- // Advance to the null-terminator or to the first width directive
- //
- for (;
- (String[Index] != NARROW_CHAR) && (String[Index] != WIDE_CHAR) && (String[Index] != 0);
- Index++, Count = Count + IncrementValue
- )
- ;
-
- //
- // We hit the null-terminator, we now have a count
- //
- if (String[Index] == 0) {
- break;
- }
- //
- // We encountered a narrow directive - strip it from the size calculation since it doesn't get printed
- // and also set the flag that determines what we increment by.(if narrow, increment by 1, if wide increment by 2)
- //
- if (String[Index] == NARROW_CHAR) {
- //
- // Skip to the next character
- //
- Index++;
- IncrementValue = 1;
- } else {
- //
- // Skip to the next character
- //
- Index++;
- IncrementValue = 2;
- }
- } while (String[Index] != 0);
-
- //
- // Increment by one to include the null-terminator in the size
- //
- Count++;
-
- return Count * sizeof (CHAR16);
-}
-
-/**
- Base on the input option string to update the skip value for a menu option.
-
- @param MenuOption The MenuOption to be checked.
- @param OptionString The input option string.
-
-**/
-VOID
-UpdateSkipInfoForMenu (
- IN UI_MENU_OPTION *MenuOption,
- IN CHAR16 *OptionString
- )
-{
- UINTN Index;
- UINT16 Width;
- UINTN Row;
- CHAR16 *OutputString;
- UINT16 GlyphWidth;
-
- Width = (UINT16) gOptionBlockWidth;
- GlyphWidth = 1;
- Row = 1;
-
- for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
- if (StrLen (&OptionString[Index]) != 0) {
- Row++;
- }
-
- FreePool (OutputString);
- }
-
- if ((Row > MenuOption->Skip) &&
- (MenuOption->ThisTag->OpCode->OpCode != EFI_IFR_DATE_OP) &&
- (MenuOption->ThisTag->OpCode->OpCode != EFI_IFR_TIME_OP)) {
- MenuOption->Skip = Row;
- }
-}
-
-/**
- Update display lines for a Menu Option.
-
- @param MenuOption The MenuOption to be checked.
-
-**/
-VOID
-UpdateOptionSkipLines (
- IN UI_MENU_OPTION *MenuOption
- )
-{
- CHAR16 *OptionString;
-
- OptionString = NULL;
-
- ProcessOptions (MenuOption, FALSE, &OptionString, TRUE);
- if (OptionString != NULL) {
- UpdateSkipInfoForMenu (MenuOption, OptionString);
-
- FreePool (OptionString);
- }
-
- if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TEXT_OP) && (((EFI_IFR_TEXT*)MenuOption->ThisTag->OpCode)->TextTwo != 0)) {
- OptionString = GetToken (((EFI_IFR_TEXT*)MenuOption->ThisTag->OpCode)->TextTwo, gFormData->HiiHandle);
-
- if (OptionString != NULL) {
- UpdateSkipInfoForMenu (MenuOption, OptionString);
-
- FreePool (OptionString);
- }
- }
-}
-
-/**
- Check whether this Menu Option could be highlighted.
-
- This is an internal function.
-
- @param MenuOption The MenuOption to be checked.
-
- @retval TRUE This Menu Option is selectable.
- @retval FALSE This Menu Option could not be selected.
-
-**/
-BOOLEAN
-IsSelectable (
- UI_MENU_OPTION *MenuOption
- )
-{
- if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_SUBTITLE_OP) ||
- MenuOption->GrayOut || MenuOption->ReadOnly) {
- return FALSE;
- } else {
- return TRUE;
- }
-}
-
-/**
- Move to next selectable statement.
-
- This is an internal function.
-
- @param GoUp The navigation direction. TRUE: up, FALSE: down.
- @param CurrentPosition Current position.
- @param GapToTop Gap position to top or bottom.
-
- @return The row distance from current MenuOption to next selectable MenuOption.
-
- @retval -1 Reach the begin of the menu, still can't find the selectable menu.
- @retval Value Find the selectable menu, maybe the truly selectable, maybe the l
- last menu showing at current form.
-
-**/
-INTN
-MoveToNextStatement (
- IN BOOLEAN GoUp,
- IN OUT LIST_ENTRY **CurrentPosition,
- IN UINTN GapToTop
- )
-{
- INTN Distance;
- LIST_ENTRY *Pos;
- UI_MENU_OPTION *NextMenuOption;
- UI_MENU_OPTION *PreMenuOption;
-
- Distance = 0;
- Pos = *CurrentPosition;
- PreMenuOption = MENU_OPTION_FROM_LINK (Pos);
-
- while (TRUE) {
- NextMenuOption = MENU_OPTION_FROM_LINK (Pos);
- //
- // NextMenuOption->Row == 0 means this menu has not calculate
- // the NextMenuOption->Skip value yet, just calculate here.
- //
- if (NextMenuOption->Row == 0) {
- UpdateOptionSkipLines (NextMenuOption);
- }
-
- if (GoUp && (PreMenuOption != NextMenuOption)) {
- //
- // In this case, still can't find the selectable menu,
- // return the last one in the showing form.
- //
- if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) {
- NextMenuOption = PreMenuOption;
- break;
- }
-
- //
- // Current Position doesn't need to be caculated when go up.
- // Caculate distanct at first when go up
- //
- Distance += NextMenuOption->Skip;
- }
-
- if (IsSelectable (NextMenuOption)) {
- break;
- }
-
- //
- // Arrive at begin of the menu list.
- //
- if ((GoUp ? Pos->BackLink : Pos->ForwardLink) == &gMenuOption) {
- Distance = -1;
- break;
- }
-
- if (!GoUp) {
- //
- // In this case, still can't find the selectable menu,
- // return the last one in the showing form.
- //
- if ((UINTN) Distance + NextMenuOption->Skip > GapToTop) {
- NextMenuOption = PreMenuOption;
- break;
- }
-
- Distance += NextMenuOption->Skip;
- }
-
- PreMenuOption = NextMenuOption;
- Pos = (GoUp ? Pos->BackLink : Pos->ForwardLink);
- }
-
- *CurrentPosition = &NextMenuOption->Link;
- return Distance;
-}
-
-
-/**
- Process option string for date/time opcode.
-
- @param MenuOption Menu option point to date/time.
- @param OptionString Option string input for process.
- @param AddOptCol Whether need to update MenuOption->OptCol.
-
-**/
-VOID
-ProcessStringForDateTime (
- UI_MENU_OPTION *MenuOption,
- CHAR16 *OptionString,
- BOOLEAN AddOptCol
- )
-{
- UINTN Index;
- UINTN Count;
- FORM_DISPLAY_ENGINE_STATEMENT *Statement;
- EFI_IFR_DATE *Date;
- EFI_IFR_TIME *Time;
-
- ASSERT (MenuOption != NULL && OptionString != NULL);
-
- Statement = MenuOption->ThisTag;
- Date = NULL;
- Time = NULL;
- if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP) {
- Date = (EFI_IFR_DATE *) Statement->OpCode;
- } else if (Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {
- Time = (EFI_IFR_TIME *) Statement->OpCode;
- }
-
- //
- // If leading spaces on OptionString - remove the spaces
- //
- for (Index = 0; OptionString[Index] == L' '; Index++) {
- //
- // Base on the blockspace to get the option column info.
- //
- if (AddOptCol) {
- MenuOption->OptCol++;
- }
- }
-
- for (Count = 0; OptionString[Index] != CHAR_NULL; Index++) {
- OptionString[Count] = OptionString[Index];
- Count++;
- }
- OptionString[Count] = CHAR_NULL;
-
- //
- // Enable to suppress field in the opcode base on the flag.
- //
- if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP) {
- //
- // OptionString format is: <**: **: ****>
- // |month|day|year|
- // 4 3 5
- //
- if ((Date->Flags & EFI_QF_DATE_MONTH_SUPPRESS) && (MenuOption->Sequence == 0)) {
- //
- // At this point, only "<**:" in the optionstring.
- // Clean the day's ** field, after clean, the format is "< :"
- //
- SetUnicodeMem (&OptionString[1], 2, L' ');
- } else if ((Date->Flags & EFI_QF_DATE_DAY_SUPPRESS) && (MenuOption->Sequence == 1)) {
- //
- // At this point, only "**:" in the optionstring.
- // Clean the month's "**" field, after clean, the format is " :"
- //
- SetUnicodeMem (&OptionString[0], 2, L' ');
- } else if ((Date->Flags & EFI_QF_DATE_YEAR_SUPPRESS) && (MenuOption->Sequence == 2)) {
- //
- // At this point, only "****>" in the optionstring.
- // Clean the year's "****" field, after clean, the format is " >"
- //
- SetUnicodeMem (&OptionString[0], 4, L' ');
- }
- } else if (Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {
- //
- // OptionString format is: <**: **: **>
- // |hour|minute|second|
- // 4 3 3
- //
- if ((Time->Flags & QF_TIME_HOUR_SUPPRESS) && (MenuOption->Sequence == 0)) {
- //
- // At this point, only "<**:" in the optionstring.
- // Clean the hour's ** field, after clean, the format is "< :"
- //
- SetUnicodeMem (&OptionString[1], 2, L' ');
- } else if ((Time->Flags & QF_TIME_MINUTE_SUPPRESS) && (MenuOption->Sequence == 1)) {
- //
- // At this point, only "**:" in the optionstring.
- // Clean the minute's "**" field, after clean, the format is " :"
- //
- SetUnicodeMem (&OptionString[0], 2, L' ');
- } else if ((Time->Flags & QF_TIME_SECOND_SUPPRESS) && (MenuOption->Sequence == 2)) {
- //
- // At this point, only "**>" in the optionstring.
- // Clean the second's "**" field, after clean, the format is " >"
- //
- SetUnicodeMem (&OptionString[0], 2, L' ');
- }
- }
-}
-
-
-/**
- Adjust Data and Time position accordingly.
- Data format : [01/02/2004] [11:22:33]
- Line number : 0 0 1 0 0 1
-
- This is an internal function.
-
- @param DirectionUp the up or down direction. False is down. True is
- up.
- @param CurrentPosition Current position. On return: Point to the last
- Option (Year or Second) if up; Point to the first
- Option (Month or Hour) if down.
-
- @return Return line number to pad. It is possible that we stand on a zero-advance
- @return data or time opcode, so pad one line when we judge if we are going to scroll outside.
-
-**/
-UINTN
-AdjustDateAndTimePosition (
- IN BOOLEAN DirectionUp,
- IN OUT LIST_ENTRY **CurrentPosition
- )
-{
- UINTN Count;
- LIST_ENTRY *NewPosition;
- UI_MENU_OPTION *MenuOption;
- UINTN PadLineNumber;
-
- PadLineNumber = 0;
- NewPosition = *CurrentPosition;
- MenuOption = MENU_OPTION_FROM_LINK (NewPosition);
-
- if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP) ||
- (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP)) {
- //
- // Calculate the distance from current position to the last Date/Time MenuOption
- //
- Count = 0;
- while (MenuOption->Skip == 0) {
- Count++;
- NewPosition = NewPosition->ForwardLink;
- MenuOption = MENU_OPTION_FROM_LINK (NewPosition);
- PadLineNumber = 1;
- }
-
- NewPosition = *CurrentPosition;
- if (DirectionUp) {
- //
- // Since the behavior of hitting the up arrow on a Date/Time MenuOption is intended
- // to be one that back to the previous set of MenuOptions, we need to advance to the first
- // Date/Time MenuOption and leave the remaining logic in CfUiUp intact so the appropriate
- // checking can be done.
- //
- while (Count++ < 2) {
- NewPosition = NewPosition->BackLink;
- }
- } else {
- //
- // Since the behavior of hitting the down arrow on a Date/Time MenuOption is intended
- // to be one that progresses to the next set of MenuOptions, we need to advance to the last
- // Date/Time MenuOption and leave the remaining logic in CfUiDown intact so the appropriate
- // checking can be done.
- //
- while (Count-- > 0) {
- NewPosition = NewPosition->ForwardLink;
- }
- }
-
- *CurrentPosition = NewPosition;
- }
-
- return PadLineNumber;
-}
-
-/**
- Get step info from numeric opcode.
-
- @param[in] OpCode The input numeric op code.
-
- @return step info for this opcode.
-**/
-UINT64
-GetFieldFromNum (
- IN EFI_IFR_OP_HEADER *OpCode
- )
-{
- EFI_IFR_NUMERIC *NumericOp;
- UINT64 Step;
-
- NumericOp = (EFI_IFR_NUMERIC *) OpCode;
-
- switch (NumericOp->Flags & EFI_IFR_NUMERIC_SIZE) {
- case EFI_IFR_NUMERIC_SIZE_1:
- Step = NumericOp->data.u8.Step;
- break;
-
- case EFI_IFR_NUMERIC_SIZE_2:
- Step = NumericOp->data.u16.Step;
- break;
-
- case EFI_IFR_NUMERIC_SIZE_4:
- Step = NumericOp->data.u32.Step;
- break;
-
- case EFI_IFR_NUMERIC_SIZE_8:
- Step = NumericOp->data.u64.Step;
- break;
-
- default:
- Step = 0;
- break;
- }
-
- return Step;
-}
-
-/**
- Find the registered HotKey based on KeyData.
-
- @param[in] KeyData A pointer to a buffer that describes the keystroke
- information for the hot key.
-
- @return The registered HotKey context. If no found, NULL will return.
-**/
-BROWSER_HOT_KEY *
-GetHotKeyFromRegisterList (
- IN EFI_INPUT_KEY *KeyData
- )
-{
- LIST_ENTRY *Link;
- BROWSER_HOT_KEY *HotKey;
-
- Link = GetFirstNode (&gFormData->HotKeyListHead);
- while (!IsNull (&gFormData->HotKeyListHead, Link)) {
- HotKey = BROWSER_HOT_KEY_FROM_LINK (Link);
-
- if (HotKey->KeyData->ScanCode == KeyData->ScanCode) {
- return HotKey;
- }
-
- Link = GetNextNode (&gFormData->HotKeyListHead, Link);
- }
-
- return NULL;
-}
-
-
-/**
- Determine if the menu is the last menu that can be selected.
-
- This is an internal function.
-
- @param Direction The scroll direction. False is down. True is up.
- @param CurrentPos The current focus.
-
- @return FALSE -- the menu isn't the last menu that can be selected.
- @return TRUE -- the menu is the last menu that can be selected.
-
-**/
-BOOLEAN
-ValueIsScroll (
- IN BOOLEAN Direction,
- IN LIST_ENTRY *CurrentPos
- )
-{
- LIST_ENTRY *Temp;
-
- Temp = Direction ? CurrentPos->BackLink : CurrentPos->ForwardLink;
-
- if (Temp == &gMenuOption) {
- return TRUE;
- }
-
- return FALSE;
-}
-
-/**
- Wait for a given event to fire, or for an optional timeout to expire.
-
- @param Event The event to wait for
-
- @retval UI_EVENT_TYPE The type of the event which is trigged.
-
-**/
-UI_EVENT_TYPE
-UiWaitForEvent (
- IN EFI_EVENT Event
- )
-{
- EFI_STATUS Status;
- UINTN Index;
- UINTN EventNum;
- UINT64 Timeout;
- EFI_EVENT TimerEvent;
- EFI_EVENT WaitList[3];
- UI_EVENT_TYPE EventType;
-
- TimerEvent = NULL;
- Timeout = FormExitTimeout(gFormData);
-
- if (Timeout != 0) {
- Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);
-
- //
- // Set the timer event
- //
- gBS->SetTimer (
- TimerEvent,
- TimerRelative,
- Timeout
- );
- }
-
- WaitList[0] = Event;
- EventNum = 1;
- if (gFormData->FormRefreshEvent != NULL) {
- WaitList[EventNum] = gFormData->FormRefreshEvent;
- EventNum ++;
- }
-
- if (Timeout != 0) {
- WaitList[EventNum] = TimerEvent;
- EventNum ++;
- }
-
- Status = gBS->WaitForEvent (EventNum, WaitList, &Index);
- ASSERT_EFI_ERROR (Status);
-
- switch (Index) {
- case 0:
- EventType = UIEventKey;
- break;
-
- case 1:
- if (gFormData->FormRefreshEvent != NULL) {
- EventType = UIEventDriver;
- } else {
- ASSERT (Timeout != 0 && EventNum == 2);
- EventType = UIEventTimeOut;
- }
- break;
-
- default:
- ASSERT (Index == 2 && EventNum == 3);
- EventType = UIEventTimeOut;
- break;
- }
-
- if (Timeout != 0) {
- gBS->CloseEvent (TimerEvent);
- }
-
- return EventType;
-}
-
-/**
- Get question id info from the input opcode header.
-
- @param OpCode The input opcode header pointer.
-
- @retval The question id for this opcode.
-
-**/
-EFI_QUESTION_ID
-GetQuestionIdInfo (
- IN EFI_IFR_OP_HEADER *OpCode
- )
-{
- EFI_IFR_QUESTION_HEADER *QuestionHeader;
-
- if (OpCode->Length < sizeof (EFI_IFR_OP_HEADER) + sizeof (EFI_IFR_QUESTION_HEADER)) {
- return 0;
- }
-
- QuestionHeader = (EFI_IFR_QUESTION_HEADER *)((UINT8 *) OpCode + sizeof(EFI_IFR_OP_HEADER));
-
- return QuestionHeader->QuestionId;
-}
-
-/**
- Find the first menu which will be show at the top.
-
- @param FormData The data info for this form.
- @param TopOfScreen The link_entry pointer to top menu.
- @param HighlightMenu The menu which will be highlight.
- @param SkipValue The skip value for the top menu.
-
-**/
-VOID
-FindTopMenu (
- IN FORM_DISPLAY_ENGINE_FORM *FormData,
- OUT LIST_ENTRY **TopOfScreen,
- OUT LIST_ENTRY **HighlightMenu,
- OUT INTN *SkipValue
- )
-{
- LIST_ENTRY *Link;
- LIST_ENTRY *NewPos;
- UINTN TopRow;
- UINTN BottomRow;
- UINTN Index;
- UI_MENU_OPTION *SavedMenuOption;
- UINTN EndRow;
-
- TopRow = gStatementDimensions.TopRow + SCROLL_ARROW_HEIGHT;
- BottomRow = gStatementDimensions.BottomRow - SCROLL_ARROW_HEIGHT;
-
- //
- // If not has input highlight statement, just return the first one in this form.
- //
- if (FormData->HighLightedStatement == NULL) {
- *TopOfScreen = gMenuOption.ForwardLink;
- *HighlightMenu = gMenuOption.ForwardLink;
- if (!IsListEmpty (&gMenuOption)) {
- MoveToNextStatement (FALSE, HighlightMenu, BottomRow - TopRow);
- }
- *SkipValue = 0;
- return;
- }
-
- //
- // Now base on the input highlight menu to find the top menu in this page.
- // Will base on the highlight menu show at the bottom to find the top menu.
- //
- NewPos = gMenuOption.ForwardLink;
- SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);
-
- while ((SavedMenuOption->ThisTag != FormData->HighLightedStatement) ||
- (SavedMenuOption->Sequence != gSequence)) {
- NewPos = NewPos->ForwardLink;
- if (NewPos == &gMenuOption) {
- //
- // Not Found it, break
- //
- break;
- }
- SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);
- }
- ASSERT (SavedMenuOption->ThisTag == FormData->HighLightedStatement);
-
- *HighlightMenu = NewPos;
-
- AdjustDateAndTimePosition(FALSE, &NewPos);
- SavedMenuOption = MENU_OPTION_FROM_LINK (NewPos);
- UpdateOptionSkipLines (SavedMenuOption);
-
- //
- // If highlight opcode is date/time, keep the highlight row info not change.
- //
- if ((SavedMenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP || SavedMenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP) &&
- (gHighligthMenuInfo.QuestionId != 0) &&
- (gHighligthMenuInfo.QuestionId == GetQuestionIdInfo(SavedMenuOption->ThisTag->OpCode))) {
- //
- // Still show the highlight menu before exit from display engine.
- //
- EndRow = gHighligthMenuInfo.DisplayRow + SavedMenuOption->Skip;
- } else {
- EndRow = BottomRow;
- }
-
- //
- // Base on the selected menu will show at the bottome of next page,
- // select the menu show at the top of the next page.
- //
- Link = NewPos;
- for (Index = TopRow + SavedMenuOption->Skip; Index <= EndRow; ) {
- Link = Link->BackLink;
- //
- // Already find the first menu in this form, means highlight menu
- // will show in first page of this form.
- //
- if (Link == &gMenuOption) {
- *TopOfScreen = gMenuOption.ForwardLink;
- *SkipValue = 0;
- return;
- }
- SavedMenuOption = MENU_OPTION_FROM_LINK (Link);
- UpdateOptionSkipLines (SavedMenuOption);
- Index += SavedMenuOption->Skip;
- }
-
- //
- // Found the menu which will show at the top of the page.
- //
- if (Link == NewPos) {
- //
- // The menu can show more than one pages, just show the menu at the top of the page.
- //
- *SkipValue = 0;
- *TopOfScreen = Link;
- } else {
- //
- // Check whether need to skip some line for menu shows at the top of the page.
- //
- *SkipValue = Index - EndRow;
- if (*SkipValue > 0 && *SkipValue < (INTN) SavedMenuOption->Skip) {
- *TopOfScreen = Link;
- } else {
- *SkipValue = 0;
- *TopOfScreen = Link->ForwardLink;
- }
- }
-}
-
-/**
- Display menu and wait for user to select one menu option, then return it.
- If AutoBoot is enabled, then if user doesn't select any option,
- after period of time, it will automatically return the first menu option.
-
- @param FormData The current form data info.
-
- @retval EFI_SUCESSS Process the user selection success.
- @retval EFI_NOT_FOUND Process option string for orderedlist/Oneof fail.
-
-**/
-EFI_STATUS
-UiDisplayMenu (
- IN FORM_DISPLAY_ENGINE_FORM *FormData
- )
-{
- INTN SkipValue;
- INTN Difference;
- UINTN DistanceValue;
- UINTN Row;
- UINTN Col;
- UINTN TempRightCol;
- UINTN Temp;
- UINTN Temp2;
- UINTN Temp3;
- UINTN TopRow;
- UINTN BottomRow;
- UINTN OriginalRow;
- UINTN Index;
- UINT16 Width;
- CHAR16 *StringPtr;
- CHAR16 *OptionString;
- CHAR16 *OutputString;
- CHAR16 *HelpString;
- CHAR16 *HelpHeaderString;
- CHAR16 *HelpBottomString;
- BOOLEAN NewLine;
- BOOLEAN Repaint;
- BOOLEAN UpArrow;
- BOOLEAN DownArrow;
- EFI_STATUS Status;
- EFI_INPUT_KEY Key;
- LIST_ENTRY *Link;
- LIST_ENTRY *NewPos;
- LIST_ENTRY *TopOfScreen;
- LIST_ENTRY *SavedListEntry;
- UI_MENU_OPTION *MenuOption;
- UI_MENU_OPTION *NextMenuOption;
- UI_MENU_OPTION *SavedMenuOption;
- UI_MENU_OPTION *PreviousMenuOption;
- UI_CONTROL_FLAG ControlFlag;
- UI_SCREEN_OPERATION ScreenOperation;
- UINT16 DefaultId;
- FORM_DISPLAY_ENGINE_STATEMENT *Statement;
- UINTN ModalSkipColumn;
- BROWSER_HOT_KEY *HotKey;
- UINTN HelpPageIndex;
- UINTN HelpPageCount;
- UINTN RowCount;
- UINTN HelpLine;
- UINTN HelpHeaderLine;
- UINTN HelpBottomLine;
- BOOLEAN MultiHelpPage;
- UINT16 GlyphWidth;
- UINT16 EachLineWidth;
- UINT16 HeaderLineWidth;
- UINT16 BottomLineWidth;
- EFI_STRING_ID HelpInfo;
- UI_EVENT_TYPE EventType;
- FORM_DISPLAY_ENGINE_STATEMENT *InitialHighlight;
-
- EventType = UIEventNone;
- Status = EFI_SUCCESS;
- HelpString = NULL;
- HelpHeaderString = NULL;
- HelpBottomString = NULL;
- OptionString = NULL;
- ScreenOperation = UiNoOperation;
- NewLine = TRUE;
- DefaultId = 0;
- HelpPageCount = 0;
- HelpLine = 0;
- RowCount = 0;
- HelpBottomLine = 0;
- HelpHeaderLine = 0;
- HelpPageIndex = 0;
- MultiHelpPage = FALSE;
- EachLineWidth = 0;
- HeaderLineWidth = 0;
- BottomLineWidth = 0;
- OutputString = NULL;
- UpArrow = FALSE;
- DownArrow = FALSE;
- SkipValue = 0;
-
- NextMenuOption = NULL;
- PreviousMenuOption = NULL;
- SavedMenuOption = NULL;
- HotKey = NULL;
- Repaint = TRUE;
- MenuOption = NULL;
- ModalSkipColumn = (gStatementDimensions.RightColumn - gStatementDimensions.LeftColumn) / 6;
- InitialHighlight = gFormData->HighLightedStatement;
-
- ZeroMem (&Key, sizeof (EFI_INPUT_KEY));
-
- gOptionBlockWidth = (CHAR16) ((gStatementDimensions.RightColumn - gStatementDimensions.LeftColumn) / 3);
- gPromptBlockWidth = (CHAR16) (gOptionBlockWidth + LEFT_SKIPPED_COLUMNS);
- gHelpBlockWidth = (CHAR16) (gOptionBlockWidth - LEFT_SKIPPED_COLUMNS);
-
- TopRow = gStatementDimensions.TopRow + SCROLL_ARROW_HEIGHT;
- BottomRow = gStatementDimensions.BottomRow - SCROLL_ARROW_HEIGHT - 1;
-
- Row = TopRow;
- if ((FormData->Attribute & HII_DISPLAY_MODAL) != 0) {
- Col = gStatementDimensions.LeftColumn + LEFT_SKIPPED_COLUMNS + ModalSkipColumn;
- } else {
- Col = gStatementDimensions.LeftColumn + LEFT_SKIPPED_COLUMNS;
- }
-
- FindTopMenu(FormData, &TopOfScreen, &NewPos, &SkipValue);
-
- gST->ConOut->EnableCursor (gST->ConOut, FALSE);
-
- ControlFlag = CfInitialization;
- while (TRUE) {
- switch (ControlFlag) {
- case CfInitialization:
- if (IsListEmpty (&gMenuOption)) {
-
- if ((FormData->Attribute & HII_DISPLAY_MODAL) == 0) {
- //
- // Clear Statement range.
- //
- ClearLines (
- gStatementDimensions.LeftColumn,
- gStatementDimensions.RightColumn,
- TopRow - SCROLL_ARROW_HEIGHT,
- BottomRow + SCROLL_ARROW_HEIGHT,
- GetFieldTextColor ()
- );
-
- //
- // Clear Key Range
- //
- RefreshKeyHelp (gFormData, NULL, FALSE);
- }
-
- ControlFlag = CfReadKey;
- } else {
- ControlFlag = CfRepaint;
- }
- break;
-
- case CfRepaint:
- ControlFlag = CfRefreshHighLight;
-
- if (Repaint) {
- //
- // Display menu
- //
- DownArrow = FALSE;
- UpArrow = FALSE;
- Row = TopRow;
-
- Temp = (UINTN) SkipValue;
- Temp2 = (UINTN) SkipValue;
- Temp3 = (UINTN) SkipValue;
-
- //
- // 1. Clear the screen.
- //
- if ((FormData->Attribute & HII_DISPLAY_MODAL) != 0) {
- ClearLines (
- gStatementDimensions.LeftColumn + ModalSkipColumn,
- gStatementDimensions.LeftColumn + ModalSkipColumn + gPromptBlockWidth + gOptionBlockWidth,
- TopRow - SCROLL_ARROW_HEIGHT,
- BottomRow + SCROLL_ARROW_HEIGHT,
- GetFieldTextColor ()
- );
- } else {
- TempRightCol = gStatementDimensions.RightColumn;
- if (!mStatementLayoutIsChanged) {
- TempRightCol = gStatementDimensions.RightColumn - gHelpBlockWidth;
- }
- ClearLines (
- gStatementDimensions.LeftColumn,
- gStatementDimensions.RightColumn,
- TopRow - SCROLL_ARROW_HEIGHT,
- TopRow - 1,
- GetFieldTextColor ()
- );
- ClearLines (
- gStatementDimensions.LeftColumn,
- TempRightCol,
- TopRow,
- BottomRow,
- GetFieldTextColor ()
- );
- ClearLines (
- gStatementDimensions.LeftColumn,
- gStatementDimensions.RightColumn,
- BottomRow + 1,
- BottomRow + SCROLL_ARROW_HEIGHT,
- GetFieldTextColor ()
- );
- }
-
- //
- // 2.Paint the menu.
- //
- for (Link = TopOfScreen; Link != &gMenuOption; Link = Link->ForwardLink) {
- MenuOption = MENU_OPTION_FROM_LINK (Link);
- MenuOption->Row = Row;
- MenuOption->Col = Col;
- if ((FormData->Attribute & HII_DISPLAY_MODAL) != 0) {
- MenuOption->OptCol = gPromptBlockWidth + 1 + gStatementDimensions.LeftColumn + ModalSkipColumn;
- } else {
- MenuOption->OptCol = gPromptBlockWidth + 1 + gStatementDimensions.LeftColumn;
- }
-
- Statement = MenuOption->ThisTag;
- if (MenuOption->NestInStatement) {
- MenuOption->Col += SUBTITLE_INDENT;
- }
-
- if (MenuOption->GrayOut) {
- gST->ConOut->SetAttribute (gST->ConOut, GetGrayedTextColor ());
- } else {
- if (Statement->OpCode->OpCode == EFI_IFR_SUBTITLE_OP) {
- gST->ConOut->SetAttribute (gST->ConOut, GetSubTitleTextColor ());
- }
- }
-
- Width = GetWidth (Statement);
- OriginalRow = Row;
- GlyphWidth = 1;
-
- if (Statement->OpCode->OpCode == EFI_IFR_REF_OP && MenuOption->Col >= 2) {
- //
- // Print Arrow for Goto button.
- //
- PrintCharAt (
- MenuOption->Col - 2,
- Row,
- GEOMETRICSHAPE_RIGHT_TRIANGLE
- );
- }
-
- //
- // 2.1. Paint the description.
- //
- for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
- //
- // Temp means need to skip how many lines from the start.
- //
- if ((Temp == 0) && (Row <= BottomRow)) {
- PrintStringAt (MenuOption->Col, Row, OutputString);
- }
- //
- // If there is more string to process print on the next row and increment the Skip value
- //
- if (StrLen (&MenuOption->Description[Index]) != 0) {
- if (Temp == 0) {
- Row++;
- }
- }
-
- FreePool (OutputString);
- if (Temp != 0) {
- Temp--;
- }
- }
-
- Temp = 0;
- Row = OriginalRow;
-
- //
- // 2.2. Paint the option string.
- //
- Status = ProcessOptions (MenuOption, FALSE, &OptionString, FALSE);
- //
- // If Error occur, question value update in ProcessOptions.
- // Exit current FormDisplay with new question value.
- //
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if (OptionString != NULL) {
- if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP || Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {
- ProcessStringForDateTime(MenuOption, OptionString, TRUE);
- }
-
- Width = (UINT16) gOptionBlockWidth;
- OriginalRow = Row;
- GlyphWidth = 1;
-
- for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
- if ((Temp2 == 0) && (Row <= BottomRow)) {
- PrintStringAt (MenuOption->OptCol, Row, OutputString);
- }
- //
- // If there is more string to process print on the next row and increment the Skip value
- //
- if (StrLen (&OptionString[Index]) != 0) {
- if (Temp2 == 0) {
- Row++;
- //
- // Since the Number of lines for this menu entry may or may not be reflected accurately
- // since the prompt might be 1 lines and option might be many, and vice versa, we need to do
- // some testing to ensure we are keeping this in-sync.
- //
- // If the difference in rows is greater than or equal to the skip value, increase the skip value
- //
- if ((Row - OriginalRow) >= MenuOption->Skip) {
- MenuOption->Skip++;
- }
- }
- }
-
- FreePool (OutputString);
- if (Temp2 != 0) {
- Temp2--;
- }
- }
-
- Row = OriginalRow;
-
- FreePool (OptionString);
- }
- Temp2 = 0;
-
- //
- // If this is a text op with secondary text information
- //
- if ((Statement->OpCode->OpCode == EFI_IFR_TEXT_OP) && (((EFI_IFR_TEXT*)Statement->OpCode)->TextTwo != 0)) {
- StringPtr = GetToken (((EFI_IFR_TEXT*)Statement->OpCode)->TextTwo, gFormData->HiiHandle);
-
- Width = (UINT16) gOptionBlockWidth;
- OriginalRow = Row;
- GlyphWidth = 1;
-
- for (Index = 0; GetLineByWidth (StringPtr, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
- if ((Temp3 == 0) && (Row <= BottomRow)) {
- PrintStringAt (MenuOption->OptCol, Row, OutputString);
- }
- //
- // If there is more string to process print on the next row and increment the Skip value
- //
- if (StrLen (&StringPtr[Index]) != 0) {
- if (Temp3 == 0) {
- Row++;
- //
- // Since the Number of lines for this menu entry may or may not be reflected accurately
- // since the prompt might be 1 lines and option might be many, and vice versa, we need to do
- // some testing to ensure we are keeping this in-sync.
- //
- // If the difference in rows is greater than or equal to the skip value, increase the skip value
- //
- if ((Row - OriginalRow) >= MenuOption->Skip) {
- MenuOption->Skip++;
- }
- }
- }
-
- FreePool (OutputString);
- if (Temp3 != 0) {
- Temp3--;
- }
- }
-
- Row = OriginalRow;
- FreePool (StringPtr);
- }
- Temp3 = 0;
-
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());
-
- //
- // 3. Update the row info which will be used by next menu.
- //
- if (Link == TopOfScreen) {
- Row += MenuOption->Skip - SkipValue;
- } else {
- Row += MenuOption->Skip;
- }
-
- if (Row > BottomRow) {
- if (!ValueIsScroll (FALSE, Link)) {
- DownArrow = TRUE;
- }
-
- Row = BottomRow + 1;
- break;
- }
- }
-
- if (!ValueIsScroll (TRUE, TopOfScreen)) {
- UpArrow = TRUE;
- }
-
- if (UpArrow) {
- gST->ConOut->SetAttribute (gST->ConOut, GetArrowColor ());
- PrintCharAt (
- gStatementDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,
- TopRow - SCROLL_ARROW_HEIGHT,
- ARROW_UP
- );
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());
- }
-
- if (DownArrow) {
- gST->ConOut->SetAttribute (gST->ConOut, GetArrowColor ());
- PrintCharAt (
- gStatementDimensions.LeftColumn + gPromptBlockWidth + gOptionBlockWidth + 1,
- BottomRow + SCROLL_ARROW_HEIGHT,
- ARROW_DOWN
- );
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());
- }
-
- MenuOption = NULL;
- }
- break;
-
- case CfRefreshHighLight:
-
- //
- // MenuOption: Last menu option that need to remove hilight
- // MenuOption is set to NULL in Repaint
- // NewPos: Current menu option that need to hilight
- //
- ControlFlag = CfUpdateHelpString;
-
- if (MenuOption != NULL && TopOfScreen == &MenuOption->Link) {
- Temp = SkipValue;
- } else {
- Temp = 0;
- }
- if (NewPos == TopOfScreen) {
- Temp2 = SkipValue;
- } else {
- Temp2 = 0;
- }
-
- if (NewPos != NULL && (MenuOption == NULL || NewPos != &MenuOption->Link)) {
- if (MenuOption != NULL) {
- //
- // Remove highlight on last Menu Option
- //
- gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);
- ProcessOptions (MenuOption, FALSE, &OptionString, TRUE);
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());
- if (OptionString != NULL) {
- if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP) ||
- (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP)
- ) {
- ProcessStringForDateTime(MenuOption, OptionString, FALSE);
- }
-
- Width = (UINT16) gOptionBlockWidth;
- OriginalRow = MenuOption->Row;
- GlyphWidth = 1;
-
- for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
- if ((Temp == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow)) {
- PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);
- }
- //
- // If there is more string to process print on the next row and increment the Skip value
- //
- if (StrLen (&OptionString[Index]) != 0) {
- if (Temp == 0) {
- MenuOption->Row++;
- }
- }
-
- FreePool (OutputString);
- if (Temp != 0) {
- Temp--;
- }
- }
-
- MenuOption->Row = OriginalRow;
-
- FreePool (OptionString);
- } else {
- if (NewLine) {
- if (MenuOption->GrayOut) {
- gST->ConOut->SetAttribute (gST->ConOut, GetGrayedTextColor ());
- } else if (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_SUBTITLE_OP) {
- gST->ConOut->SetAttribute (gST->ConOut, GetSubTitleTextColor ());
- }
-
- OriginalRow = MenuOption->Row;
- Width = GetWidth (MenuOption->ThisTag);
- GlyphWidth = 1;
-
- for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
- if ((Temp == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow)) {
- PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);
- }
- //
- // If there is more string to process print on the next row and increment the Skip value
- //
- if (StrLen (&MenuOption->Description[Index]) != 0) {
- if (Temp == 0) {
- MenuOption->Row++;
- }
- }
-
- FreePool (OutputString);
- if (Temp != 0) {
- Temp--;
- }
- }
-
- MenuOption->Row = OriginalRow;
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());
- }
- }
- }
-
- //
- // This is the current selected statement
- //
- MenuOption = MENU_OPTION_FROM_LINK (NewPos);
- Statement = MenuOption->ThisTag;
-
- //
- // Get the highlight statement.
- //
- gUserInput->SelectedStatement = Statement;
- gSequence = (UINT16) MenuOption->Sequence;
-
- //
- // Record highlight row info for date/time opcode.
- //
- if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP || Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {
- gHighligthMenuInfo.QuestionId = GetQuestionIdInfo(Statement->OpCode);
- gHighligthMenuInfo.DisplayRow = (UINT16) MenuOption->Row;
- } else {
- gHighligthMenuInfo.QuestionId = 0;
- gHighligthMenuInfo.DisplayRow = 0;
- }
-
- if (!IsSelectable (MenuOption)) {
- RefreshKeyHelp(gFormData, Statement, FALSE);
- break;
- }
-
- //
- // Set reverse attribute
- //
- gST->ConOut->SetAttribute (gST->ConOut, GetHighlightTextColor ());
- gST->ConOut->SetCursorPosition (gST->ConOut, MenuOption->Col, MenuOption->Row);
-
- ProcessOptions (MenuOption, FALSE, &OptionString, TRUE);
- if (OptionString != NULL) {
- if (Statement->OpCode->OpCode == EFI_IFR_DATE_OP || Statement->OpCode->OpCode == EFI_IFR_TIME_OP) {
- ProcessStringForDateTime(MenuOption, OptionString, FALSE);
- }
- Width = (UINT16) gOptionBlockWidth;
-
- OriginalRow = MenuOption->Row;
- GlyphWidth = 1;
-
- for (Index = 0; GetLineByWidth (OptionString, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
- if ((Temp2 == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow) ) {
- PrintStringAt (MenuOption->OptCol, MenuOption->Row, OutputString);
- }
- //
- // If there is more string to process print on the next row and increment the Skip value
- //
- if (StrLen (&OptionString[Index]) != 0) {
- if (Temp2 == 0) {
- MenuOption->Row++;
- }
- }
-
- FreePool (OutputString);
- if (Temp2 != 0) {
- Temp2--;
- }
- }
-
- MenuOption->Row = OriginalRow;
-
- FreePool (OptionString);
- } else {
- if (NewLine) {
- OriginalRow = MenuOption->Row;
-
- Width = GetWidth (Statement);
- GlyphWidth = 1;
-
- for (Index = 0; GetLineByWidth (MenuOption->Description, Width, &GlyphWidth, &Index, &OutputString) != 0x0000;) {
- if ((Temp2 == 0) && (MenuOption->Row >= TopRow) && (MenuOption->Row <= BottomRow) ) {
- PrintStringAt (MenuOption->Col, MenuOption->Row, OutputString);
- }
- //
- // If there is more string to process print on the next row and increment the Skip value
- //
- if (StrLen (&MenuOption->Description[Index]) != 0) {
- if (Temp2 == 0) {
- MenuOption->Row++;
- }
- }
-
- FreePool (OutputString);
- if (Temp2 != 0) {
- Temp2--;
- }
- }
-
- MenuOption->Row = OriginalRow;
-
- }
- }
-
- RefreshKeyHelp(gFormData, MenuOption->ThisTag, FALSE);
-
- //
- // Clear reverse attribute
- //
- gST->ConOut->SetAttribute (gST->ConOut, GetFieldTextColor ());
- }
- break;
-
- case CfUpdateHelpString:
- ControlFlag = CfPrepareToReadKey;
- if ((FormData->Attribute & HII_DISPLAY_MODAL) != 0) {
- break;
- }
-
- if (Repaint || NewLine) {
- //
- // Don't print anything if it is a NULL help token
- //
- ASSERT(MenuOption != NULL);
- HelpInfo = ((EFI_IFR_STATEMENT_HEADER *) ((CHAR8 *)MenuOption->ThisTag->OpCode + sizeof (EFI_IFR_OP_HEADER)))->Help;
- if (HelpInfo == 0 || !IsSelectable (MenuOption)) {
- StringPtr = GetToken (STRING_TOKEN (EMPTY_STRING), gHiiHandle);
- } else {
- StringPtr = GetToken (HelpInfo, gFormData->HiiHandle);
- }
-
- RowCount = BottomRow - TopRow + 1;
- HelpPageIndex = 0;
- //
- // 1.Calculate how many line the help string need to print.
- //
- if (HelpString != NULL) {
- FreePool (HelpString);
- HelpString = NULL;
- }
- HelpLine = ProcessHelpString (StringPtr, &HelpString, &EachLineWidth, RowCount);
- FreePool (StringPtr);
-
- if (HelpLine > RowCount) {
- MultiHelpPage = TRUE;
- StringPtr = GetToken (STRING_TOKEN(ADJUST_HELP_PAGE_UP), gHiiHandle);
- if (HelpHeaderString != NULL) {
- FreePool (HelpHeaderString);
- HelpHeaderString = NULL;
- }
- HelpHeaderLine = ProcessHelpString (StringPtr, &HelpHeaderString, &HeaderLineWidth, 0);
- FreePool (StringPtr);
- StringPtr = GetToken (STRING_TOKEN(ADJUST_HELP_PAGE_DOWN), gHiiHandle);
- if (HelpBottomString != NULL) {
- FreePool (HelpBottomString);
- HelpBottomString = NULL;
- }
- HelpBottomLine = ProcessHelpString (StringPtr, &HelpBottomString, &BottomLineWidth, 0);
- FreePool (StringPtr);
- //
- // Calculate the help page count.
- //
- if (HelpLine > 2 * RowCount - 2) {
- HelpPageCount = (HelpLine - RowCount + 1) / (RowCount - 2) + 1;
- if ((HelpLine - RowCount + 1) % (RowCount - 2) > 1) {
- HelpPageCount += 1;
- }
- } else {
- HelpPageCount = 2;
- }
- } else {
- MultiHelpPage = FALSE;
- }
- }
-
- //
- // Check whether need to show the 'More(U/u)' at the begin.
- // Base on current direct info, here shows aligned to the right side of the column.
- // If the direction is multi line and aligned to right side may have problem, so
- // add ASSERT code here.
- //
- if (HelpPageIndex > 0) {
- gST->ConOut->SetAttribute (gST->ConOut, GetInfoTextColor ());
- for (Index = 0; Index < HelpHeaderLine; Index++) {
- ASSERT (HelpHeaderLine == 1);
- ASSERT (GetStringWidth (HelpHeaderString) / 2 < (UINTN) (gHelpBlockWidth - 1));
- PrintStringAtWithWidth (
- gStatementDimensions.RightColumn - gHelpBlockWidth,
- Index + TopRow,
- gEmptyString,
- gHelpBlockWidth
- );
- PrintStringAt (
- gStatementDimensions.RightColumn - GetStringWidth (HelpHeaderString) / 2 - 1,
- Index + TopRow,
- &HelpHeaderString[Index * HeaderLineWidth]
- );
- }
- }
-
- gST->ConOut->SetAttribute (gST->ConOut, GetHelpTextColor ());
- //
- // Print the help string info.
- //
- if (!MultiHelpPage) {
- for (Index = 0; Index < HelpLine; Index++) {
- PrintStringAtWithWidth (
- gStatementDimensions.RightColumn - gHelpBlockWidth,
- Index + TopRow,
- &HelpString[Index * EachLineWidth],
- gHelpBlockWidth
- );
- }
- for (; Index < RowCount; Index ++) {
- PrintStringAtWithWidth (
- gStatementDimensions.RightColumn - gHelpBlockWidth,
- Index + TopRow,
- gEmptyString,
- gHelpBlockWidth
- );
- }
- gST->ConOut->SetCursorPosition(gST->ConOut, gStatementDimensions.RightColumn-1, BottomRow);
- } else {
- if (HelpPageIndex == 0) {
- for (Index = 0; Index < RowCount - HelpBottomLine; Index++) {
- PrintStringAtWithWidth (
- gStatementDimensions.RightColumn - gHelpBlockWidth,
- Index + TopRow,
- &HelpString[Index * EachLineWidth],
- gHelpBlockWidth
- );
- }
- } else {
- for (Index = 0; (Index < RowCount - HelpBottomLine - HelpHeaderLine) &&
- (Index + HelpPageIndex * (RowCount - 2) + 1 < HelpLine); Index++) {
- PrintStringAtWithWidth (
- gStatementDimensions.RightColumn - gHelpBlockWidth,
- Index + TopRow + HelpHeaderLine,
- &HelpString[(Index + HelpPageIndex * (RowCount - 2) + 1)* EachLineWidth],
- gHelpBlockWidth
- );
- }
- if (HelpPageIndex == HelpPageCount - 1) {
- for (; Index < RowCount - HelpHeaderLine; Index ++) {
- PrintStringAtWithWidth (
- gStatementDimensions.RightColumn - gHelpBlockWidth,
- Index + TopRow + HelpHeaderLine,
- gEmptyString,
- gHelpBlockWidth
- );
- }
- gST->ConOut->SetCursorPosition(gST->ConOut, gStatementDimensions.RightColumn-1, BottomRow);
- }
- }
- }
-
- //
- // Check whether need to print the 'More(D/d)' at the bottom.
- // Base on current direct info, here shows aligned to the right side of the column.
- // If the direction is multi line and aligned to right side may have problem, so
- // add ASSERT code here.
- //
- if (HelpPageIndex < HelpPageCount - 1 && MultiHelpPage) {
- gST->ConOut->SetAttribute (gST->ConOut, GetInfoTextColor ());
- for (Index = 0; Index < HelpBottomLine; Index++) {
- ASSERT (HelpBottomLine == 1);
- ASSERT (GetStringWidth (HelpBottomString) / 2 < (UINTN) (gHelpBlockWidth - 1));
- PrintStringAtWithWidth (
- gStatementDimensions.RightColumn - gHelpBlockWidth,
- BottomRow + Index - HelpBottomLine + 1,
- gEmptyString,
- gHelpBlockWidth
- );
- PrintStringAt (
- gStatementDimensions.RightColumn - GetStringWidth (HelpBottomString) / 2 - 1,
- BottomRow + Index - HelpBottomLine + 1,
- &HelpBottomString[Index * BottomLineWidth]
- );
- }
- }
- //
- // Reset this flag every time we finish using it.
- //
- Repaint = FALSE;
- NewLine = FALSE;
- break;
-
- case CfPrepareToReadKey:
- ControlFlag = CfReadKey;
- ScreenOperation = UiNoOperation;
- break;
-
- case CfReadKey:
- ControlFlag = CfScreenOperation;
-
- //
- // Wait for user's selection
- //
- while (TRUE) {
- Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
- if (!EFI_ERROR (Status)) {
- EventType = UIEventKey;
- break;
- }
-
- //
- // If we encounter error, continue to read another key in.
- //
- if (Status != EFI_NOT_READY) {
- continue;
- }
-
- EventType = UiWaitForEvent(gST->ConIn->WaitForKey);
- if (EventType == UIEventKey) {
- gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
- }
- break;
- }
-
- if (EventType == UIEventDriver) {
- gUserInput->Action = BROWSER_ACTION_NONE;
- ControlFlag = CfExit;
- break;
- }
-
- if (EventType == UIEventTimeOut) {
- gUserInput->Action = BROWSER_ACTION_FORM_EXIT;
- ControlFlag = CfExit;
- break;
- }
-
- switch (Key.UnicodeChar) {
- case CHAR_CARRIAGE_RETURN:
- if(MenuOption == NULL || MenuOption->GrayOut || MenuOption->ReadOnly) {
- ControlFlag = CfReadKey;
- break;
- }
-
- ScreenOperation = UiSelect;
- gDirection = 0;
- break;
-
- //
- // We will push the adjustment of these numeric values directly to the input handler
- // NOTE: we won't handle manual input numeric
- //
- case '+':
- case '-':
- //
- // If the screen has no menu items, and the user didn't select UiReset
- // ignore the selection and go back to reading keys.
- //
- if(IsListEmpty (&gMenuOption) || MenuOption->GrayOut || MenuOption->ReadOnly) {
- ControlFlag = CfReadKey;
- break;
- }
-
- ASSERT(MenuOption != NULL);
- Statement = MenuOption->ThisTag;
- if ((Statement->OpCode->OpCode == EFI_IFR_DATE_OP)
- || (Statement->OpCode->OpCode == EFI_IFR_TIME_OP)
- || ((Statement->OpCode->OpCode == EFI_IFR_NUMERIC_OP) && (GetFieldFromNum(Statement->OpCode) != 0))
- ){
- if (Key.UnicodeChar == '+') {
- gDirection = SCAN_RIGHT;
- } else {
- gDirection = SCAN_LEFT;
- }
-
- Status = ProcessOptions (MenuOption, TRUE, &OptionString, TRUE);
- if (OptionString != NULL) {
- FreePool (OptionString);
- }
- if (EFI_ERROR (Status)) {
- //
- // Repaint to clear possible error prompt pop-up
- //
- Repaint = TRUE;
- NewLine = TRUE;
- } else {
- ControlFlag = CfExit;
- }
- }
- break;
-
- case '^':
- ScreenOperation = UiUp;
- break;
-
- case 'V':
- case 'v':
- ScreenOperation = UiDown;
- break;
-
- case ' ':
- if(IsListEmpty (&gMenuOption)) {
- ControlFlag = CfReadKey;
- break;
- }
-
- ASSERT(MenuOption != NULL);
- if (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_CHECKBOX_OP && !MenuOption->GrayOut && !MenuOption->ReadOnly) {
- ScreenOperation = UiSelect;
- }
- break;
-
- case 'D':
- case 'd':
- if (!MultiHelpPage) {
- ControlFlag = CfReadKey;
- break;
- }
- ControlFlag = CfUpdateHelpString;
- HelpPageIndex = HelpPageIndex < HelpPageCount - 1 ? HelpPageIndex + 1 : HelpPageCount - 1;
- break;
-
- case 'U':
- case 'u':
- if (!MultiHelpPage) {
- ControlFlag = CfReadKey;
- break;
- }
- ControlFlag = CfUpdateHelpString;
- HelpPageIndex = HelpPageIndex > 0 ? HelpPageIndex - 1 : 0;
- break;
-
- case CHAR_NULL:
- for (Index = 0; Index < mScanCodeNumber; Index++) {
- if (Key.ScanCode == gScanCodeToOperation[Index].ScanCode) {
- ScreenOperation = gScanCodeToOperation[Index].ScreenOperation;
- break;
- }
- }
-
- if (((FormData->Attribute & HII_DISPLAY_MODAL) != 0) && (Key.ScanCode == SCAN_ESC || Index == mScanCodeNumber)) {
- //
- // ModalForm has no ESC key and Hot Key.
- //
- ControlFlag = CfReadKey;
- } else if (Index == mScanCodeNumber) {
- //
- // Check whether Key matches the registered hot key.
- //
- HotKey = NULL;
- HotKey = GetHotKeyFromRegisterList (&Key);
- if (HotKey != NULL) {
- ScreenOperation = UiHotKey;
- }
- }
- break;
- }
- break;
-
- case CfScreenOperation:
- if (ScreenOperation != UiReset) {
- //
- // If the screen has no menu items, and the user didn't select UiReset
- // ignore the selection and go back to reading keys.
- //
- if (IsListEmpty (&gMenuOption)) {
- ControlFlag = CfReadKey;
- break;
- }
- }
-
- for (Index = 0;
- Index < sizeof (gScreenOperationToControlFlag) / sizeof (gScreenOperationToControlFlag[0]);
- Index++
- ) {
- if (ScreenOperation == gScreenOperationToControlFlag[Index].ScreenOperation) {
- ControlFlag = gScreenOperationToControlFlag[Index].ControlFlag;
- break;
- }
- }
- break;
-
- case CfUiSelect:
- ControlFlag = CfRepaint;
-
- ASSERT(MenuOption != NULL);
- Statement = MenuOption->ThisTag;
- if (Statement->OpCode->OpCode == EFI_IFR_TEXT_OP) {
- break;
- }
-
- switch (Statement->OpCode->OpCode) {
- case EFI_IFR_REF_OP:
- case EFI_IFR_ACTION_OP:
- case EFI_IFR_RESET_BUTTON_OP:
- ControlFlag = CfExit;
- break;
-
- default:
- //
- // Editable Questions: oneof, ordered list, checkbox, numeric, string, password
- //
- RefreshKeyHelp (gFormData, Statement, TRUE);
- Status = ProcessOptions (MenuOption, TRUE, &OptionString, TRUE);
-
- if (OptionString != NULL) {
- FreePool (OptionString);
- }
-
- if (EFI_ERROR (Status)) {
- Repaint = TRUE;
- NewLine = TRUE;
- RefreshKeyHelp (gFormData, Statement, FALSE);
- break;
- } else {
- ControlFlag = CfExit;
- break;
- }
- }
- break;
-
- case CfUiReset:
- //
- // We come here when someone press ESC
- // If the policy is not exit front page when user press ESC, process here.
- //
- if (!FormExitPolicy()) {
- Repaint = TRUE;
- NewLine = TRUE;
- ControlFlag = CfRepaint;
- break;
- }
-
- //
- // When user press ESC, it will try to show another menu, should clean the gSequence info.
- //
- if (gSequence != 0) {
- gSequence = 0;
- }
-
- gUserInput->Action = BROWSER_ACTION_FORM_EXIT;
- ControlFlag = CfExit;
- break;
-
- case CfUiHotKey:
- ControlFlag = CfRepaint;
-
- gUserInput->Action = HotKey->Action;
- ControlFlag = CfExit;
- break;
-
- case CfUiLeft:
- ControlFlag = CfRepaint;
- ASSERT(MenuOption != NULL);
- if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP)) {
- if (MenuOption->Sequence != 0) {
- //
- // In the middle or tail of the Date/Time op-code set, go left.
- //
- ASSERT(NewPos != NULL);
- NewPos = NewPos->BackLink;
- }
- }
- break;
-
- case CfUiRight:
- ControlFlag = CfRepaint;
- ASSERT(MenuOption != NULL);
- if ((MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP) || (MenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP)) {
- if (MenuOption->Sequence != 2) {
- //
- // In the middle or tail of the Date/Time op-code set, go left.
- //
- ASSERT(NewPos != NULL);
- NewPos = NewPos->ForwardLink;
- }
- }
- break;
-
- case CfUiUp:
- ControlFlag = CfRepaint;
-
- SavedListEntry = NewPos;
-
- ASSERT(NewPos != NULL);
- //
- // Adjust Date/Time position before we advance forward.
- //
- AdjustDateAndTimePosition (TRUE, &NewPos);
- if (NewPos->BackLink != &gMenuOption) {
- MenuOption = MENU_OPTION_FROM_LINK (NewPos);
- ASSERT (MenuOption != NULL);
- NewLine = TRUE;
- NewPos = NewPos->BackLink;
-
- PreviousMenuOption = MENU_OPTION_FROM_LINK (NewPos);
- if (PreviousMenuOption->Row == 0) {
- UpdateOptionSkipLines (PreviousMenuOption);
- }
- DistanceValue = PreviousMenuOption->Skip;
- Difference = 0;
- if (MenuOption->Row >= DistanceValue + TopRow) {
- Difference = MoveToNextStatement (TRUE, &NewPos, MenuOption->Row - TopRow - DistanceValue);
- }
- NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);
-
- if (Difference < 0) {
- //
- // We hit the begining MenuOption that can be focused
- // so we simply scroll to the top.
- //
- if (TopOfScreen != gMenuOption.ForwardLink) {
- TopOfScreen = gMenuOption.ForwardLink;
- Repaint = TRUE;
- } else {
- //
- // Scroll up to the last page when we have arrived at top page.
- //
- NewPos = &gMenuOption;
- TopOfScreen = &gMenuOption;
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
- ScreenOperation = UiPageUp;
- ControlFlag = CfScreenOperation;
- break;
- }
- } else if (MenuOption->Row < TopRow + DistanceValue + Difference) {
- //
- // Previous focus MenuOption is above the TopOfScreen, so we need to scroll
- //
- TopOfScreen = NewPos;
- Repaint = TRUE;
- SkipValue = 0;
- } else if (!IsSelectable (NextMenuOption)) {
- //
- // Continue to go up until scroll to next page or the selectable option is found.
- //
- ScreenOperation = UiUp;
- ControlFlag = CfScreenOperation;
- }
-
- //
- // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
- //
- AdjustDateAndTimePosition (TRUE, &TopOfScreen);
- AdjustDateAndTimePosition (TRUE, &NewPos);
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
- UpdateStatusBar (INPUT_ERROR, FALSE);
- } else {
- //
- // Scroll up to the last page.
- //
- NewPos = &gMenuOption;
- TopOfScreen = &gMenuOption;
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
- ScreenOperation = UiPageUp;
- ControlFlag = CfScreenOperation;
- }
- break;
-
- case CfUiPageUp:
- //
- // SkipValue means lines is skipped when show the top menu option.
- //
- ControlFlag = CfRepaint;
-
- ASSERT(NewPos != NULL);
- //
- // Already at the first menu option, Check the skip value.
- //
- if (NewPos->BackLink == &gMenuOption) {
- if (SkipValue == 0) {
- NewLine = FALSE;
- Repaint = FALSE;
- } else {
- NewLine = TRUE;
- Repaint = TRUE;
- SkipValue = 0;
- }
- break;
- }
-
- NewLine = TRUE;
- Repaint = TRUE;
-
- //
- // SkipValue > (BottomRow - TopRow + 1) means current menu has more than one
- // form of options to be show, so just update the SkipValue to show the next
- // parts of options.
- //
- if (SkipValue > (INTN) (BottomRow - TopRow + 1)) {
- SkipValue -= BottomRow - TopRow + 1;
- break;
- }
-
- Link = TopOfScreen;
- //
- // First minus the menu of the top screen, it's value is SkipValue.
- //
- Index = (BottomRow + 1) - SkipValue;
- while ((Index > TopRow) && (Link->BackLink != &gMenuOption)) {
- Link = Link->BackLink;
- PreviousMenuOption = MENU_OPTION_FROM_LINK (Link);
- if (PreviousMenuOption->Row == 0) {
- UpdateOptionSkipLines (PreviousMenuOption);
- }
- if (Index < PreviousMenuOption->Skip) {
- break;
- }
- Index = Index - PreviousMenuOption->Skip;
- }
-
- if ((Link->BackLink == &gMenuOption) && (Index >= TopRow)) {
- SkipValue = 0;
- if (TopOfScreen == &gMenuOption) {
- TopOfScreen = gMenuOption.ForwardLink;
- NewPos = gMenuOption.BackLink;
- MoveToNextStatement (TRUE, &NewPos, BottomRow - TopRow);
- Repaint = FALSE;
- } else if (TopOfScreen != Link) {
- TopOfScreen = Link;
- NewPos = Link;
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);
- } else {
- //
- // Finally we know that NewPos is the last MenuOption can be focused.
- //
- Repaint = FALSE;
- NewPos = Link;
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);
- }
- } else {
- if (Index > TopRow) {
- //
- // At here, only case "Index < PreviousMenuOption->Skip" can reach here.
- //
- SkipValue = PreviousMenuOption->Skip - (Index - TopRow);
- } else if (Index == TopRow) {
- SkipValue = 0;
- } else {
- SkipValue = TopRow - Index;
- }
-
- //
- // Move to the option in Next page.
- //
- if (TopOfScreen == &gMenuOption) {
- NewPos = gMenuOption.BackLink;
- MoveToNextStatement (TRUE, &NewPos, BottomRow - TopRow);
- } else {
- NewPos = Link;
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);
- }
-
- //
- // There are more MenuOption needing scrolling up.
- //
- TopOfScreen = Link;
- MenuOption = NULL;
- }
-
- //
- // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
- // Don't do this when we are already in the first page.
- //
- AdjustDateAndTimePosition (TRUE, &TopOfScreen);
- AdjustDateAndTimePosition (TRUE, &NewPos);
- break;
-
- case CfUiPageDown:
- //
- // SkipValue means lines is skipped when show the top menu option.
- //
- ControlFlag = CfRepaint;
-
- ASSERT (NewPos != NULL);
- if (NewPos->ForwardLink == &gMenuOption) {
- NewLine = FALSE;
- Repaint = FALSE;
- break;
- }
-
- NewLine = TRUE;
- Repaint = TRUE;
- Link = TopOfScreen;
- NextMenuOption = MENU_OPTION_FROM_LINK (Link);
- Index = TopRow + NextMenuOption->Skip - SkipValue;
- //
- // Count to the menu option which will show at the top of the next form.
- //
- while ((Index <= BottomRow + 1) && (Link->ForwardLink != &gMenuOption)) {
- Link = Link->ForwardLink;
- NextMenuOption = MENU_OPTION_FROM_LINK (Link);
- Index = Index + NextMenuOption->Skip;
- }
-
- if ((Link->ForwardLink == &gMenuOption) && (Index <= BottomRow + 1)) {
- //
- // Finally we know that NewPos is the last MenuOption can be focused.
- //
- Repaint = FALSE;
- MoveToNextStatement (TRUE, &Link, Index - TopRow);
- } else {
- //
- // Calculate the skip line for top of screen menu.
- //
- if (Link == TopOfScreen) {
- //
- // The top of screen menu option occupies the entire form.
- //
- SkipValue += BottomRow - TopRow + 1;
- } else {
- SkipValue = NextMenuOption->Skip - (Index - (BottomRow + 1));
- }
-
- TopOfScreen = Link;
- MenuOption = NULL;
- //
- // Move to the Next selectable menu.
- //
- MoveToNextStatement (FALSE, &Link, BottomRow - TopRow);
- }
-
- //
- // Save the menu as the next highlight menu.
- //
- NewPos = Link;
-
- //
- // If we encounter a Date/Time op-code set, rewind to the first op-code of the set.
- // Don't do this when we are already in the last page.
- //
- AdjustDateAndTimePosition (TRUE, &TopOfScreen);
- AdjustDateAndTimePosition (TRUE, &NewPos);
- break;
-
- case CfUiDown:
- //
- // SkipValue means lines is skipped when show the top menu option.
- // NewPos points to the menu which is highlighted now.
- //
- ControlFlag = CfRepaint;
-
- //
- // Since the behavior of hitting the down arrow on a Date/Time op-code is intended
- // to be one that progresses to the next set of op-codes, we need to advance to the last
- // Date/Time op-code and leave the remaining logic in UiDown intact so the appropriate
- // checking can be done. The only other logic we need to introduce is that if a Date/Time
- // op-code is the last entry in the menu, we need to rewind back to the first op-code of
- // the Date/Time op-code.
- //
- SavedListEntry = NewPos;
- AdjustDateAndTimePosition (FALSE, &NewPos);
-
- if (NewPos->ForwardLink != &gMenuOption) {
- MenuOption = MENU_OPTION_FROM_LINK (NewPos);
- NewLine = TRUE;
- NewPos = NewPos->ForwardLink;
-
- Difference = 0;
- //
- // Current menu not at the bottom of the form.
- //
- if (BottomRow >= MenuOption->Row + MenuOption->Skip) {
- //
- // Find the next selectable menu.
- //
- Difference = MoveToNextStatement (FALSE, &NewPos, BottomRow - MenuOption->Row - MenuOption->Skip);
- //
- // We hit the end of MenuOption that can be focused
- // so we simply scroll to the first page.
- //
- if (Difference < 0) {
- //
- // Scroll to the first page.
- //
- if (TopOfScreen != gMenuOption.ForwardLink) {
- TopOfScreen = gMenuOption.ForwardLink;
- Repaint = TRUE;
- MenuOption = NULL;
- } else {
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
- }
- NewPos = gMenuOption.ForwardLink;
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);
-
- SkipValue = 0;
- //
- // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.
- //
- AdjustDateAndTimePosition (TRUE, &TopOfScreen);
- AdjustDateAndTimePosition (TRUE, &NewPos);
- break;
- }
- }
- NextMenuOption = MENU_OPTION_FROM_LINK (NewPos);
- if (NextMenuOption->Row == 0) {
- UpdateOptionSkipLines (NextMenuOption);
- }
- DistanceValue = Difference + NextMenuOption->Skip;
-
- Temp = MenuOption->Row + MenuOption->Skip + DistanceValue - 1;
- if ((MenuOption->Row + MenuOption->Skip == BottomRow + 1) &&
- (NextMenuOption->ThisTag->OpCode->OpCode == EFI_IFR_DATE_OP ||
- NextMenuOption->ThisTag->OpCode->OpCode == EFI_IFR_TIME_OP)
- ) {
- Temp ++;
- }
-
- //
- // If we are going to scroll, update TopOfScreen
- //
- if (Temp > BottomRow) {
- do {
- //
- // Is the current top of screen a zero-advance op-code?
- // If so, keep moving forward till we hit a >0 advance op-code
- //
- SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);
-
- //
- // If bottom op-code is more than one line or top op-code is more than one line
- //
- if ((DistanceValue > 1) || (SavedMenuOption->Skip > 1)) {
- //
- // Is the bottom op-code greater than or equal in size to the top op-code?
- //
- if ((Temp - BottomRow) >= (SavedMenuOption->Skip - SkipValue)) {
- //
- // Skip the top op-code
- //
- TopOfScreen = TopOfScreen->ForwardLink;
- Difference = (Temp - BottomRow) - (SavedMenuOption->Skip - SkipValue);
-
- SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);
-
- //
- // If we have a remainder, skip that many more op-codes until we drain the remainder
- //
- while (Difference >= (INTN) SavedMenuOption->Skip) {
- //
- // Since the Difference is greater than or equal to this op-code's skip value, skip it
- //
- Difference = Difference - (INTN) SavedMenuOption->Skip;
- TopOfScreen = TopOfScreen->ForwardLink;
- SavedMenuOption = MENU_OPTION_FROM_LINK (TopOfScreen);
- }
- //
- // Since we will act on this op-code in the next routine, and increment the
- // SkipValue, set the skips to one less than what is required.
- //
- SkipValue = Difference - 1;
- } else {
- //
- // Since we will act on this op-code in the next routine, and increment the
- // SkipValue, set the skips to one less than what is required.
- //
- SkipValue += (Temp - BottomRow) - 1;
- }
- } else {
- if ((SkipValue + 1) == (INTN) SavedMenuOption->Skip) {
- TopOfScreen = TopOfScreen->ForwardLink;
- break;
- }
- }
- //
- // If the op-code at the top of the screen is more than one line, let's not skip it yet
- // Let's set a skip flag to smoothly scroll the top of the screen.
- //
- if (SavedMenuOption->Skip > 1) {
- if (SavedMenuOption == NextMenuOption) {
- SkipValue = 0;
- } else {
- SkipValue++;
- }
- } else if (SavedMenuOption->Skip == 1) {
- SkipValue = 0;
- } else {
- SkipValue = 0;
- TopOfScreen = TopOfScreen->ForwardLink;
- }
- } while (SavedMenuOption->Skip == 0);
-
- Repaint = TRUE;
- } else if (!IsSelectable (NextMenuOption)) {
- //
- // Continue to go down until scroll to next page or the selectable option is found.
- //
- ScreenOperation = UiDown;
- ControlFlag = CfScreenOperation;
- }
-
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
-
- UpdateStatusBar (INPUT_ERROR, FALSE);
-
- } else {
- //
- // Scroll to the first page.
- //
- if (TopOfScreen != gMenuOption.ForwardLink) {
- TopOfScreen = gMenuOption.ForwardLink;
- Repaint = TRUE;
- MenuOption = NULL;
- } else {
- //
- // Need to remove the current highlight menu.
- // MenuOption saved the last highlight menu info.
- //
- MenuOption = MENU_OPTION_FROM_LINK (SavedListEntry);
- }
-
- SkipValue = 0;
- NewLine = TRUE;
- //
- // Get the next highlight menu.
- //
- NewPos = gMenuOption.ForwardLink;
- MoveToNextStatement (FALSE, &NewPos, BottomRow - TopRow);
- }
-
- //
- // If we are at the end of the list and sitting on a Date/Time op, rewind to the head.
- //
- AdjustDateAndTimePosition (TRUE, &TopOfScreen);
- AdjustDateAndTimePosition (TRUE, &NewPos);
- break;
-
- case CfUiNoOperation:
- ControlFlag = CfRepaint;
- break;
-
- case CfExit:
- gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK));
- if (HelpString != NULL) {
- FreePool (HelpString);
- }
- if (HelpHeaderString != NULL) {
- FreePool (HelpHeaderString);
- }
- if (HelpBottomString != NULL) {
- FreePool (HelpBottomString);
- }
- return EFI_SUCCESS;
-
- default:
- break;
- }
- }
-}
-
-/**
-
- Base on the browser status info to show an pop up message.
-
-**/
-VOID
-BrowserStatusProcess (
- VOID
- )
-{
- CHAR16 *ErrorInfo;
- EFI_INPUT_KEY Key;
-
- if (gFormData->BrowserStatus == BROWSER_SUCCESS) {
- return;
- }
-
- if (gFormData->ErrorString != NULL) {
- ErrorInfo = gFormData->ErrorString;
- } else {
- switch (gFormData->BrowserStatus) {
- case BROWSER_SUBMIT_FAIL:
- ErrorInfo = gSaveFailed;
- break;
-
- case BROWSER_NO_SUBMIT_IF:
- ErrorInfo = gNoSubmitIf;
- break;
-
- case BROWSER_FORM_NOT_FOUND:
- ErrorInfo = gFormNotFound;
- break;
-
- case BROWSER_FORM_SUPPRESS:
- ErrorInfo = gFormSuppress;
- break;
-
- case BROWSER_PROTOCOL_NOT_FOUND:
- ErrorInfo = gProtocolNotFound;
- break;
-
- default:
- ErrorInfo = gBrwoserError;
- break;
- }
- }
-
- //
- // Error occur, prompt error message.
- //
- do {
- CreateDialog (&Key, gEmptyString, ErrorInfo, gPressEnter, gEmptyString, NULL);
- } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
-}
-
-/**
- Display one form, and return user input.
-
- @param FormData Form Data to be shown.
- @param UserInputData User input data.
-
- @retval EFI_SUCCESS 1.Form Data is shown, and user input is got.
- 2.Error info has show and return.
- @retval EFI_INVALID_PARAMETER The input screen dimension is not valid
- @retval EFI_NOT_FOUND New form data has some error.
-**/
-EFI_STATUS
-EFIAPI
-FormDisplay (
- IN FORM_DISPLAY_ENGINE_FORM *FormData,
- OUT USER_INPUT *UserInputData
- )
-{
- EFI_STATUS Status;
-
- ASSERT (FormData != NULL);
- if (FormData == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- gUserInput = UserInputData;
- gFormData = FormData;
-
- //
- // Process the status info first.
- //
- BrowserStatusProcess();
- if (UserInputData == NULL) {
- //
- // UserInputData == NULL, means only need to print the error info, return here.
- //
- return EFI_SUCCESS;
- }
-
- ConvertStatementToMenu();
-
- Status = DisplayPageFrame (FormData, &gStatementDimensions);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Check whether layout is changed.
- //
- if (mIsFirstForm
- || (gOldFormEntry.HiiHandle != FormData->HiiHandle)
- || (!CompareGuid (&gOldFormEntry.FormSetGuid, &FormData->FormSetGuid))
- || (gOldFormEntry.FormId != FormData->FormId)) {
- mStatementLayoutIsChanged = TRUE;
- } else {
- mStatementLayoutIsChanged = FALSE;
- }
-
- Status = UiDisplayMenu(FormData);
-
- //
- // Backup last form info.
- //
- mIsFirstForm = FALSE;
- gOldFormEntry.HiiHandle = FormData->HiiHandle;
- CopyGuid (&gOldFormEntry.FormSetGuid, &FormData->FormSetGuid);
- gOldFormEntry.FormId = FormData->FormId;
-
- return Status;
-}
-
-/**
- Clear Screen to the initial state.
-**/
-VOID
-EFIAPI
-DriverClearDisplayPage (
- VOID
- )
-{
- ClearDisplayPage ();
- mIsFirstForm = TRUE;
-}
-
-/**
- Set Buffer to Value for Size bytes.
-
- @param Buffer Memory to set.
- @param Size Number of bytes to set
- @param Value Value of the set operation.
-
-**/
-VOID
-SetUnicodeMem (
- IN VOID *Buffer,
- IN UINTN Size,
- IN CHAR16 Value
- )
-{
- CHAR16 *Ptr;
-
- Ptr = Buffer;
- while ((Size--) != 0) {
- *(Ptr++) = Value;
- }
-}
-
-/**
- Initialize Setup Browser driver.
-
- @param ImageHandle The image handle.
- @param SystemTable The system table.
-
- @retval EFI_SUCCESS The Setup Browser module is initialized correctly..
- @return Other value if failed to initialize the Setup Browser module.
-
-**/
-EFI_STATUS
-EFIAPI
-InitializeDisplayEngine (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- EFI_INPUT_KEY HotKey;
- EFI_STRING NewString;
- EDKII_FORM_BROWSER_EXTENSION2_PROTOCOL *FormBrowserEx2;
-
- //
- // Publish our HII data
- //
- gHiiHandle = HiiAddPackages (
- &gDisplayEngineGuid,
- ImageHandle,
- DisplayEngineStrings,
- NULL
- );
- ASSERT (gHiiHandle != NULL);
-
- //
- // Install Form Display protocol
- //
- Status = gBS->InstallProtocolInterface (
- &mPrivateData.Handle,
- &gEdkiiFormDisplayEngineProtocolGuid,
- EFI_NATIVE_INTERFACE,
- &mPrivateData.FromDisplayProt
- );
- ASSERT_EFI_ERROR (Status);
-
- InitializeDisplayStrings();
-
- ZeroMem (&gHighligthMenuInfo, sizeof (gHighligthMenuInfo));
- ZeroMem (&gOldFormEntry, sizeof (gOldFormEntry));
-
- //
- // Use BrowserEx2 protocol to register HotKey.
- //
- Status = gBS->LocateProtocol (&gEdkiiFormBrowserEx2ProtocolGuid, NULL, (VOID **) &FormBrowserEx2);
- if (!EFI_ERROR (Status)) {
- //
- // Register the default HotKey F9 and F10 again.
- //
- HotKey.UnicodeChar = CHAR_NULL;
- HotKey.ScanCode = SCAN_F10;
- NewString = HiiGetString (gHiiHandle, STRING_TOKEN (FUNCTION_TEN_STRING), NULL);
- ASSERT (NewString != NULL);
- FormBrowserEx2->RegisterHotKey (&HotKey, BROWSER_ACTION_SUBMIT, 0, NewString);
-
- HotKey.ScanCode = SCAN_F9;
- NewString = HiiGetString (gHiiHandle, STRING_TOKEN (FUNCTION_NINE_STRING), NULL);
- ASSERT (NewString != NULL);
- FormBrowserEx2->RegisterHotKey (&HotKey, BROWSER_ACTION_DEFAULT, EFI_HII_DEFAULT_CLASS_STANDARD, NewString);
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- This is the default unload handle for display core drivers.
-
- @param[in] ImageHandle The drivers' driver image.
-
- @retval EFI_SUCCESS The image is unloaded.
- @retval Others Failed to unload the image.
-
-**/
-EFI_STATUS
-EFIAPI
-UnloadDisplayEngine (
- IN EFI_HANDLE ImageHandle
- )
-{
- HiiRemovePackages(gHiiHandle);
-
- FreeDisplayStrings ();
-
- return EFI_SUCCESS;
-}