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audk/MdeModulePkg/Universal/DisplayEngineDxe/Popup.c

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/** @file
Implementation for Hii Popup Protocol.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "FormDisplay.h"
EFI_SCREEN_DESCRIPTOR gPopupDimensions;
LIST_ENTRY gUserSelectableOptions;
EFI_STRING gMessageString;
UINTN gMesStrLineNum;
UINTN gMaxRowWidth;
/**
Free the user selectable option structure data.
@param OptionList Point to the selectable option list which need to be freed.
**/
VOID
FreeSelectableOptions (
LIST_ENTRY *OptionList
)
{
LIST_ENTRY *Link;
USER_SELECTABLE_OPTION *SelectableOption;
while (!IsListEmpty (OptionList)) {
Link = GetFirstNode (OptionList);
SelectableOption = SELECTABLE_OPTION_FROM_LINK (Link);
RemoveEntryList (&SelectableOption->Link);
FreePool (SelectableOption);
}
}
/**
Display one selectable option.
@param SelectableOption The selectable option need to be drew.
@param Highlight Whether the option need to be highlighted.
**/
VOID
DisplayOneSelectableOption (
IN USER_SELECTABLE_OPTION *SelectableOption,
IN BOOLEAN Highlight
)
{
if (Highlight) {
gST->ConOut->SetAttribute (gST->ConOut, GetHighlightTextColor ());
}
PrintStringAt (SelectableOption->OptionCol, SelectableOption->OptionRow, SelectableOption->OptionString);
gST->ConOut->SetAttribute (gST->ConOut, GetPopupColor ());
}
/**
Add one selectable option to option list. This is the work function for AddUserSelectableOptions.
@param PopupType The option need to be drew.
@param OptionType The type of this selection option.
@param OptionString Point to the option string that to be shown.
@param OptionCol The column that the option need to be drew at.
@param OptionRow The row that the option need to be drew at.
@retval EFI_SUCCESS This function implement successfully.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available.
**/
EFI_STATUS
AddOneSelectableOption (
IN EFI_HII_POPUP_TYPE PopupType,
IN EFI_HII_POPUP_SELECTION OptionType,
IN CHAR16 *OptionString,
IN UINTN OptionCol,
IN UINTN OptionRow
)
{
USER_SELECTABLE_OPTION *UserSelectableOption;
UserSelectableOption = AllocateZeroPool (sizeof (USER_SELECTABLE_OPTION));
if (UserSelectableOption == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Initialize the user selectable option based on the PopupType and OptionType.
// And then add the option to the option list gUserSelectableOptions.
//
UserSelectableOption->Signature = USER_SELECTABLE_OPTION_SIGNATURE;
UserSelectableOption->OptionString = OptionString;
UserSelectableOption->OptionType = OptionType;
UserSelectableOption->OptionCol = OptionCol;
UserSelectableOption->OptionRow = OptionRow;
UserSelectableOption->MinSequence = 0;
switch (PopupType) {
case EfiHiiPopupTypeOk:
UserSelectableOption->MaxSequence = 0;
UserSelectableOption->Sequence = 0;
break;
case EfiHiiPopupTypeOkCancel:
UserSelectableOption->MaxSequence = 1;
if (OptionType == EfiHiiPopupSelectionOk) {
UserSelectableOption->Sequence = 0;
} else {
UserSelectableOption->Sequence = 1;
}
break;
case EfiHiiPopupTypeYesNo:
UserSelectableOption->MaxSequence = 1;
if (OptionType == EfiHiiPopupSelectionYes) {
UserSelectableOption->Sequence = 0;
} else {
UserSelectableOption->Sequence = 1;
}
break;
case EfiHiiPopupTypeYesNoCancel:
UserSelectableOption->MaxSequence = 2;
if (OptionType == EfiHiiPopupSelectionYes) {
UserSelectableOption->Sequence = 0;
} else if (OptionType == EfiHiiPopupSelectionNo) {
UserSelectableOption->Sequence = 1;
} else {
UserSelectableOption->Sequence = 2;
}
break;
default:
break;
}
InsertTailList (&gUserSelectableOptions, &UserSelectableOption->Link);
return EFI_SUCCESS;
}
/**
Add user selectable options to option list for different types of Popup.
@param PopupType Type of the popup to display.
@retval EFI_SUCCESS This function implement successfully.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available.
**/
EFI_STATUS
AddUserSelectableOptions (
IN EFI_HII_POPUP_TYPE PopupType
)
{
EFI_STATUS Status;
UINTN EndCol;
UINTN StartCol;
UINTN OptionCol;
UINTN OptionRow;
UINTN ColDimension;
Status = EFI_SUCCESS;
EndCol = gPopupDimensions.RightColumn;
StartCol = gPopupDimensions.LeftColumn;
OptionRow = gPopupDimensions.BottomRow - POPUP_BORDER;
ColDimension = EndCol - StartCol + 1;
InitializeListHead (&gUserSelectableOptions);
switch (PopupType) {
case EfiHiiPopupTypeOk:
//
// Add [Ok] option to the option list.
//
OptionCol = StartCol + (ColDimension - USER_SELECTABLE_OPTION_OK_WIDTH) / 2;
Status = AddOneSelectableOption (PopupType, EfiHiiPopupSelectionOk, gOkOption, OptionCol, OptionRow);
break;
case EfiHiiPopupTypeOkCancel:
//
// Add [Ok] and [Cancel] options to the option list.
//
OptionCol = StartCol + (ColDimension - USER_SELECTABLE_OPTION_OK_CAL_WIDTH) / 3;
Status = AddOneSelectableOption (PopupType, EfiHiiPopupSelectionOk, gOkOption, OptionCol, OptionRow);
OptionCol = EndCol - (ColDimension - USER_SELECTABLE_OPTION_OK_CAL_WIDTH) / 3 - (GetStringWidth (gCancelOption) -2) / 2 + 1;
Status = AddOneSelectableOption (PopupType, EfiHiiPopupSelectionCancel, gCancelOption, OptionCol, OptionRow);
break;
case EfiHiiPopupTypeYesNo:
//
// Add [Yes] and [No] options to the option list.
//
OptionCol = StartCol + (ColDimension - USER_SELECTABLE_OPTION_YES_NO_WIDTH) / 3;
Status = AddOneSelectableOption (PopupType, EfiHiiPopupSelectionYes, gYesOption, OptionCol, OptionRow);
OptionCol = EndCol - (ColDimension - USER_SELECTABLE_OPTION_YES_NO_WIDTH) / 3 - (GetStringWidth (gNoOption)- 2) / 2 + 1;
Status = AddOneSelectableOption (PopupType, EfiHiiPopupSelectionNo, gNoOption, OptionCol, OptionRow);
break;
case EfiHiiPopupTypeYesNoCancel:
//
// Add [Yes], [No] and [Cancel] options to the option list.
//
OptionCol = StartCol + (ColDimension - USER_SELECTABLE_OPTION_YES_NO_CAL_WIDTH) / 4;
Status = AddOneSelectableOption (PopupType, EfiHiiPopupSelectionYes, gYesOption, OptionCol, OptionRow);
OptionCol = StartCol + (ColDimension - (GetStringWidth (gNoOption) -2) / 2) / 2;
Status = AddOneSelectableOption (PopupType, EfiHiiPopupSelectionNo, gNoOption, OptionCol, OptionRow);
OptionCol = EndCol - (ColDimension - USER_SELECTABLE_OPTION_YES_NO_CAL_WIDTH) / 4 - (GetStringWidth (gCancelOption) - 2) / 2 + 1;
Status = AddOneSelectableOption (PopupType, EfiHiiPopupSelectionCancel, gCancelOption, OptionCol, OptionRow);
break;
default:
break;
}
return Status;
}
/**
Show selectable options to user and get the one that user select.
@param PopupType Type of the popup to display.
@param UserSelection User selection.
**/
VOID
GetUserSelection (
IN EFI_HII_POPUP_TYPE PopupType,
OUT EFI_HII_POPUP_SELECTION *UserSelection
)
{
LIST_ENTRY *HighlightPos;
LIST_ENTRY *Link;
USER_SELECTABLE_OPTION *SelectableOption;
USER_SELECTABLE_OPTION *HighlightOption;
EFI_INPUT_KEY KeyValue;
EFI_STATUS Status;
//
// Display user selectable options in gUserSelectableOptions and get the option which user selects.
//
HighlightPos = gUserSelectableOptions.ForwardLink;
do {
for (Link = gUserSelectableOptions.ForwardLink; Link != &gUserSelectableOptions; Link = Link->ForwardLink) {
SelectableOption = SELECTABLE_OPTION_FROM_LINK (Link);
DisplayOneSelectableOption (SelectableOption, (BOOLEAN)(Link == HighlightPos));
}
//
// If UserSelection is NULL, there is no need to handle the key user input, just return.
//
if (UserSelection == NULL) {
return;
}
Status = WaitForKeyStroke (&KeyValue);
ASSERT_EFI_ERROR (Status);
HighlightOption = SELECTABLE_OPTION_FROM_LINK (HighlightPos);
switch (KeyValue.UnicodeChar) {
case CHAR_NULL:
switch (KeyValue.ScanCode) {
case SCAN_RIGHT:
if (HighlightOption->Sequence < HighlightOption->MaxSequence) {
HighlightPos = HighlightPos->ForwardLink;
} else {
HighlightPos = gUserSelectableOptions.ForwardLink;
}
break;
case SCAN_LEFT:
if (HighlightOption->Sequence > HighlightOption->MinSequence) {
HighlightPos = HighlightPos->BackLink;
} else {
HighlightPos = gUserSelectableOptions.BackLink;
}
break;
default:
break;
}
break;
case CHAR_CARRIAGE_RETURN:
*UserSelection = HighlightOption->OptionType;
return;
default:
if (((KeyValue.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (*gConfirmOptYes | UPPER_LOWER_CASE_OFFSET)) &&
((PopupType == EfiHiiPopupTypeYesNo) || (PopupType == EfiHiiPopupTypeYesNoCancel)))
{
*UserSelection = EfiHiiPopupSelectionYes;
return;
} else if (((KeyValue.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (*gConfirmOptNo| UPPER_LOWER_CASE_OFFSET)) &&
((PopupType == EfiHiiPopupTypeYesNo) || (PopupType == EfiHiiPopupTypeYesNoCancel)))
{
*UserSelection = EfiHiiPopupSelectionNo;
return;
} else if (((KeyValue.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (*gConfirmOptOk | UPPER_LOWER_CASE_OFFSET)) &&
((PopupType == EfiHiiPopupTypeOk) || (PopupType == EfiHiiPopupTypeOkCancel)))
{
*UserSelection = EfiHiiPopupSelectionOk;
return;
} else if (((KeyValue.UnicodeChar | UPPER_LOWER_CASE_OFFSET) == (*gConfirmOptCancel| UPPER_LOWER_CASE_OFFSET)) &&
((PopupType == EfiHiiPopupTypeOkCancel) || (PopupType == EfiHiiPopupTypeYesNoCancel)))
{
*UserSelection = EfiHiiPopupSelectionCancel;
return;
}
break;
}
} while (TRUE);
}
/**
Get the offset in the input string when the width reaches to a fixed one.
The input string may contain NARROW_CHAR and WIDE_CHAR.
Notice: the input string doesn't contain line break characters.
@param String The input string to be counted.
@param MaxWidth The max length this function supported.
@param Offset The max index of the string can be show out. If string's width less than MaxWidth, offset will point to the "\0" of the string.
**/
VOID
GetStringOffsetWithWidth (
IN CHAR16 *String,
IN UINTN MaxWidth,
OUT UINTN *Offset
)
{
UINTN StringWidth;
UINTN CharWidth;
UINTN StrOffset;
StringWidth = 0;
CharWidth = 1;
for (StrOffset = 0; String[StrOffset] != CHAR_NULL; StrOffset++) {
switch (String[StrOffset]) {
case NARROW_CHAR:
CharWidth = 1;
break;
case WIDE_CHAR:
CharWidth = 2;
break;
default:
StringWidth += CharWidth;
if (StringWidth >= MaxWidth) {
*Offset = StrOffset;
return;
}
}
}
*Offset = StrOffset;
}
/**
Parse the message to check if it contains line break characters.
For once call, caller can get the string for one line and the width of the string.
This function call be called recursively to parse the whole InputString.
(Notice: current implementation, it only checks \r, \n characters, it deals \r,\n,\n\r same as \r\n.)
@param InputString String description for this option.
@param OutputString Buffer to copy the string into, caller is responsible for freeing the buffer.
@param OutputStrWidth The width of OutputString.
@param Index Where in InputString to start the copy process
@return Returns the number of CHAR16 characters that were copied into the OutputString buffer, include the '\0' info.
**/
UINTN
ParseMessageString (
IN CHAR16 *InputString,
OUT CHAR16 **OutputString,
OUT UINTN *OutputStrWidth,
IN OUT UINTN *Index
)
{
UINTN StrOffset;
if ((InputString == NULL) || (Index == NULL) || (OutputString == NULL)) {
return 0;
}
*OutputStrWidth = 0;
//
// Check the string to see if there are line break characters in the string
//
for (StrOffset = 0;
InputString[*Index + StrOffset] != CHAR_CARRIAGE_RETURN && InputString[*Index + StrOffset] != CHAR_LINEFEED && InputString[*Index + StrOffset] != CHAR_NULL;
StrOffset++
)
{
}
//
// The CHAR_NULL has process last time, this time just return 0 to stand for finishing parsing the InputString.
//
if ((StrOffset == 0) && (InputString[*Index + StrOffset] == CHAR_NULL)) {
return 0;
}
//
// Copy the string to OutputString buffer and calculate the width of OutputString.
//
*OutputString = AllocateZeroPool ((StrOffset + 1) * sizeof (CHAR16));
if (*OutputString == NULL) {
return 0;
}
CopyMem ((*OutputString), &InputString[*Index], StrOffset * sizeof (CHAR16));
*OutputStrWidth = (GetStringWidth (*OutputString) -2) / 2;
//
// Update the value of Index, can be used for marking where to check the input string for next call.
//
if (InputString[*Index + StrOffset] == CHAR_LINEFEED) {
//
// Skip the /n or /n/r info.
//
if (InputString[*Index + StrOffset + 1] == CHAR_CARRIAGE_RETURN) {
*Index = (*Index + StrOffset + 2);
} else {
*Index = (*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 = (*Index + StrOffset + 2);
} else {
*Index = (*Index + StrOffset + 1);
}
} else {
*Index = (*Index + StrOffset);
}
return StrOffset + 1;
}
/**
Calculate the position of the popup.
@param PopupType Type of the popup to display.
@param ScreenForPopup The screen dimensions for the popup.
**/
VOID
CalculatePopupPosition (
IN EFI_HII_POPUP_TYPE PopupType,
OUT EFI_SCREEN_DESCRIPTOR *ScreenForPopup
)
{
CHAR16 *OutputString;
UINTN StringIndex;
UINTN OutputStrWidth;
UINTN OptionRowWidth;
UINTN Columns;
UINTN Rows;
OptionRowWidth = 0;
//
// Calculate the row number which is needed to show the message string and the max width of the string in one row.
//
for (StringIndex = 0; ParseMessageString (gMessageString, &OutputString, &OutputStrWidth, &StringIndex) != 0;) {
gMesStrLineNum++;
if (gMaxRowWidth < OutputStrWidth) {
gMaxRowWidth = OutputStrWidth;
}
FreePool (OutputString);
}
//
// Calculate the row width for the selectable options.(OptionRowWidth = Number * SkipWidth + OptionWidth)
//
if (PopupType == EfiHiiPopupTypeOk) {
OptionRowWidth = USER_SELECTABLE_OPTION_SKIP_WIDTH *2 + USER_SELECTABLE_OPTION_OK_WIDTH;
} else if (PopupType == EfiHiiPopupTypeOkCancel) {
OptionRowWidth = USER_SELECTABLE_OPTION_SKIP_WIDTH *3 + USER_SELECTABLE_OPTION_OK_CAL_WIDTH;
} else if (PopupType == EfiHiiPopupTypeYesNo) {
OptionRowWidth = USER_SELECTABLE_OPTION_SKIP_WIDTH *3 + USER_SELECTABLE_OPTION_YES_NO_WIDTH;
} else if (PopupType == EfiHiiPopupTypeYesNoCancel) {
OptionRowWidth = USER_SELECTABLE_OPTION_SKIP_WIDTH *4 + USER_SELECTABLE_OPTION_YES_NO_CAL_WIDTH;
}
if (OptionRowWidth > gMaxRowWidth) {
gMaxRowWidth = OptionRowWidth;
}
//
// Avialble row width for message string = screen width - left popup border width - right popup border width.
// Avialble line number for message string = screen height - 1 - popup header height - popup footer height.
// (Notice: screen height - 1 because in current UI page, the bottom row of srceen is usded to show Status Bar,not for form itself.
// So we don't use the bottom row for popup either. If macro STATUS_BAR_HEIGHT changed, we also need to update the height here.)
//
// Select the smaller one between actual dimension of message string and the avialble dimension for message string.
//
gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Columns, &Rows);
gMaxRowWidth = MIN (gMaxRowWidth, Columns - 2 * POPUP_BORDER);
gMesStrLineNum = MIN (gMesStrLineNum, Rows -1 - POPUP_FOOTER_HEIGHT - POPUP_HEADER_HEIGHT);
//
// Calculate the start column, end column, top row and bottom row for the popup.
//
ScreenForPopup->LeftColumn = (Columns -2 * POPUP_BORDER - gMaxRowWidth) / 2;
ScreenForPopup->RightColumn = ScreenForPopup->LeftColumn + gMaxRowWidth + 2 * POPUP_BORDER - 1;
ScreenForPopup->TopRow = (Rows - 1 - POPUP_FOOTER_HEIGHT - POPUP_HEADER_HEIGHT - gMesStrLineNum) / 2;
ScreenForPopup->BottomRow = ScreenForPopup->TopRow + gMesStrLineNum + POPUP_FOOTER_HEIGHT + POPUP_HEADER_HEIGHT - 1;
}
/**
Draw the Message box.
+-------------------------------------------+
| ERROR/WARNING/INFO |
|-------------------------------------------|
| popup messages |
| |
| user selectable options |
+-------------------------------------------+
@param PopupStyle Popup style to use.
**/
EFI_STATUS
DrawMessageBox (
IN EFI_HII_POPUP_STYLE PopupStyle
)
{
UINTN Index;
UINTN Length;
UINTN EndCol;
UINTN TopRow;
UINTN StartCol;
UINTN BottomRow;
CHAR16 Character;
UINTN DisplayRow;
UINTN StringIndex;
CHAR16 *TempString;
CHAR16 *OutputString;
UINTN ColDimension;
UINTN OutputStrWidth;
UINTN DrawMesStrRowNum;
EndCol = gPopupDimensions.RightColumn;
TopRow = gPopupDimensions.TopRow;
StartCol = gPopupDimensions.LeftColumn;
BottomRow = gPopupDimensions.BottomRow;
ColDimension = EndCol - StartCol + 1;
DrawMesStrRowNum = 0;
//
// 1. Draw the top of the message box.
//
Character = BOXDRAW_DOWN_RIGHT;
PrintCharAt (StartCol, TopRow, Character);
Character = BOXDRAW_HORIZONTAL;
for (Index = StartCol; Index + 1 < EndCol; Index++) {
PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
}
Character = BOXDRAW_DOWN_LEFT;
PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
//
// 2. Draw the prompt string for different popup styles.
//
Character = BOXDRAW_VERTICAL;
DisplayRow = TopRow + POPUP_BORDER;
ClearLines (StartCol, EndCol, DisplayRow, DisplayRow, GetPopupColor ());
PrintCharAt (StartCol, DisplayRow, Character);
PrintCharAt (EndCol, DisplayRow, Character);
if (PopupStyle == EfiHiiPopupStyleError) {
PrintStringAt ((ColDimension - (GetStringWidth (gErrorPopup) - 2) / 2) / 2 + StartCol, DisplayRow, gErrorPopup);
} else if (PopupStyle == EfiHiiPopupStyleWarning) {
PrintStringAt ((ColDimension - (GetStringWidth (gWarningPopup) - 2) / 2) / 2 + StartCol, DisplayRow, gWarningPopup);
} else {
PrintStringAt ((ColDimension - (GetStringWidth (gInfoPopup) - 2) / 2) / 2 + StartCol, DisplayRow, gInfoPopup);
}
//
// 3. Draw the horizontal line below the prompt string for different popup styles.
//
DisplayRow = TopRow + POPUP_BORDER + POPUP_STYLE_STRING_HEIGHT;
ClearLines (StartCol, EndCol, DisplayRow, DisplayRow, GetPopupColor ());
Character = BOXDRAW_HORIZONTAL;
for (Index = StartCol + 1; Index < EndCol; Index++) {
PrintCharAt (Index, DisplayRow, Character);
}
Character = BOXDRAW_VERTICAL;
PrintCharAt (StartCol, DisplayRow, Character);
PrintCharAt (EndCol, DisplayRow, Character);
//
// 4. Draw the mesage string.
//
DisplayRow = TopRow + POPUP_HEADER_HEIGHT;
for (Index = DisplayRow, StringIndex = 0; ParseMessageString (gMessageString, &OutputString, &OutputStrWidth, &StringIndex) != 0 && DrawMesStrRowNum < gMesStrLineNum;) {
ClearLines (StartCol, EndCol, Index, Index, GetPopupColor ());
PrintCharAt (StartCol, Index, Character);
PrintCharAt (EndCol, Index, Character);
if (OutputStrWidth > gMaxRowWidth) {
//
// OutputStrWidth > MaxMesStrWidth, cut off the string and print print ... instead.
//
GetStringOffsetWithWidth (OutputString, gMaxRowWidth, &Length);
TempString = AllocateZeroPool ((Length + 1) * sizeof (CHAR16));
if (TempString == NULL) {
FreePool (OutputString);
return EFI_OUT_OF_RESOURCES;
}
StrnCpyS (TempString, Length + 1, OutputString, Length - 3);
StrCatS (TempString, Length + 1, L"...");
PrintStringAt ((ColDimension - gMaxRowWidth) / 2 + StartCol, Index, TempString);
FreePool (TempString);
} else {
PrintStringAt ((ColDimension - OutputStrWidth) / 2 + StartCol, Index, OutputString);
}
Index++;
DrawMesStrRowNum++;
FreePool (OutputString);
}
//
// 5. Draw an empty line after message string.
//
ClearLines (StartCol, EndCol, Index, Index, GetPopupColor ());
PrintCharAt (StartCol, Index, Character);
PrintCharAt (EndCol, Index, Character);
//
// Check whether the actual string row number beyond the MesStrRowNum, if yes, print the ...... in the row.
//
if ((OutputStrWidth > 0) && (DrawMesStrRowNum >= gMesStrLineNum)) {
PrintStringAt ((ColDimension - StrLen (L"......")) / 2 + StartCol, Index, L"......");
}
//
// 6. Draw an empty line which is used to show user selectable options, will draw concrete option strings in function GetUserSelection().
//
Character = BOXDRAW_VERTICAL;
DisplayRow = BottomRow - POPUP_BORDER;
ClearLines (StartCol, EndCol, DisplayRow, DisplayRow, GetPopupColor ());
PrintCharAt (StartCol, DisplayRow, Character);
PrintCharAt (EndCol, DisplayRow, Character);
//
// 7. Draw the bottom of the message box.
//
Character = BOXDRAW_UP_RIGHT;
PrintCharAt (StartCol, BottomRow, Character);
Character = BOXDRAW_HORIZONTAL;
for (Index = StartCol; Index + 1 < EndCol; Index++) {
PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
}
Character = BOXDRAW_UP_LEFT;
PrintCharAt ((UINTN)-1, (UINTN)-1, Character);
return EFI_SUCCESS;
}
/**
Displays a popup window.
@param This A pointer to the EFI_HII_POPUP_PROTOCOL instance.
@param PopupStyle Popup style to use.
@param PopupType Type of the popup to display.
@param HiiHandle HII handle of the string pack containing Message
@param Message A message to display in the popup box.
@param UserSelection User selection.
@retval EFI_SUCCESS The popup box was successfully displayed.
@retval EFI_INVALID_PARAMETER HiiHandle and Message do not define a valid HII string.
@retval EFI_INVALID_PARAMETER PopupType is not one of the values defined by this specification.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to display the popup box.
**/
EFI_STATUS
EFIAPI
CreatePopup (
IN EFI_HII_POPUP_PROTOCOL *This,
IN EFI_HII_POPUP_STYLE PopupStyle,
IN EFI_HII_POPUP_TYPE PopupType,
IN EFI_HII_HANDLE HiiHandle,
IN EFI_STRING_ID Message,
OUT EFI_HII_POPUP_SELECTION *UserSelection OPTIONAL
)
{
EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;
EFI_SIMPLE_TEXT_OUTPUT_MODE SavedConsoleMode;
EFI_STATUS Status;
if ((PopupType < EfiHiiPopupTypeOk) || (PopupType > EfiHiiPopupTypeYesNoCancel)) {
return EFI_INVALID_PARAMETER;
}
if ((HiiHandle == NULL) || (Message == 0)) {
return EFI_INVALID_PARAMETER;
}
gMessageString = HiiGetString (HiiHandle, Message, NULL);
if (gMessageString == NULL) {
return EFI_INVALID_PARAMETER;
}
ConOut = gST->ConOut;
gMaxRowWidth = 0;
gMesStrLineNum = 0;
CopyMem (&SavedConsoleMode, ConOut->Mode, sizeof (SavedConsoleMode));
ConOut->EnableCursor (ConOut, FALSE);
ConOut->SetAttribute (ConOut, GetPopupColor ());
CalculatePopupPosition (PopupType, &gPopupDimensions);
Status = DrawMessageBox (PopupStyle);
if (EFI_ERROR (Status)) {
goto Done;
}
//
// Add user selectable options to option list: gUserSelectableOptions
//
Status = AddUserSelectableOptions (PopupType);
if (EFI_ERROR (Status)) {
goto Done;
}
GetUserSelection (PopupType, UserSelection);
Done:
//
// Restore Conout attributes and free the resources allocate before.
//
ConOut->EnableCursor (ConOut, SavedConsoleMode.CursorVisible);
ConOut->SetCursorPosition (ConOut, SavedConsoleMode.CursorColumn, SavedConsoleMode.CursorRow);
ConOut->SetAttribute (ConOut, SavedConsoleMode.Attribute);
FreeSelectableOptions (&gUserSelectableOptions);
FreePool (gMessageString);
return Status;
}
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