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Add example usage of EFI_BROWSER_ACTION_FORM_OPEN and EFI_BROWSER_ACTION_FORM_CLOSE to DriverSample. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9365 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xdu2 2009-10-26 05:27:28 +00:00
parent ce6d12cce0
commit a6973cff62
3 changed files with 119 additions and 33 deletions
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146
MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
View File

@ -2,7 +2,7 @@
This is an example of how a driver might export data to the HII protocol to be
later utilized by the Setup Protocol
Copyright (c) 2004 - 2008, Intel Corporation
Copyright (c) 2004 - 2009, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -43,7 +43,7 @@ HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath0 = {
{
END_DEVICE_PATH_TYPE,
END_ENTIRE_DEVICE_PATH_SUBTYPE,
{
{
(UINT8) (END_DEVICE_PATH_LENGTH),
(UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
}
@ -68,7 +68,7 @@ HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath1 = {
{
END_DEVICE_PATH_TYPE,
END_ENTIRE_DEVICE_PATH_SUBTYPE,
{
{
(UINT8) (END_DEVICE_PATH_LENGTH),
(UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
}
@ -77,10 +77,10 @@ HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath1 = {
/**
Encode the password using a simple algorithm.
@param Password The string to be encoded.
@param MaxSize The size of the string.
**/
VOID
EncodePassword (
@ -111,10 +111,10 @@ EncodePassword (
/**
Validate the user's password.
@param PrivateData This driver's private context data.
@param StringId The user's input.
@retval EFI_SUCCESS The user's input matches the password.
@retval EFI_NOT_READY The user's input does not match the password.
**/
@ -204,13 +204,13 @@ ValidatePassword (
/**
Encode the password using a simple algorithm.
@param PrivateData This driver's private context data.
@param StringId The password from User.
@retval EFI_SUCESS The operation is successful.
@return Other value if gRT->SetVariable () fails.
**/
EFI_STATUS
SetPassword (
@ -244,9 +244,9 @@ SetPassword (
// Get user input password
//
Password = &PrivateData->Configuration.WhatIsThePassword2[0];
PasswordSize = sizeof (PrivateData->Configuration.WhatIsThePassword2);
PasswordSize = sizeof (PrivateData->Configuration.WhatIsThePassword2);
ZeroMem (Password, PasswordSize);
TempPassword = HiiGetString (PrivateData->HiiHandle[0], StringId, NULL);
if (TempPassword == NULL) {
return EFI_NOT_READY;
@ -344,7 +344,7 @@ ExtractConfig (
EFI_STRING ConfigRequest;
EFI_STRING ConfigRequestHdr;
UINTN Size;
if (Progress == NULL || Results == NULL || Request == NULL) {
return EFI_INVALID_PARAMETER;
}
@ -374,14 +374,14 @@ ExtractConfig (
if (EFI_ERROR (Status)) {
return EFI_NOT_FOUND;
}
if (Request == NULL) {
//
// Request is set to NULL, construct full request string.
//
//
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// Allocate and fill a buffer large enough to hold the <ConfigHdr> template
// followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator
//
ConfigRequestHdr = HiiConstructConfigHdr (&mFormSetGuid, VariableName, PrivateData->DriverHandle[0]);
@ -411,7 +411,7 @@ ExtractConfig (
Results,
Progress
);
if (Request == NULL) {
FreePool (ConfigRequest);
*Progress = NULL;
@ -554,15 +554,76 @@ DriverCallback (
EFI_IFR_GUID_LABEL *StartLabel;
VOID *EndOpCodeHandle;
EFI_IFR_GUID_LABEL *EndLabel;
EFI_INPUT_KEY Key;
DRIVER_SAMPLE_CONFIGURATION *Configuration;
if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {
//
// On FORM_OPEN event, update the form on-the-fly
//
PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
//
// Initialize the container for dynamic opcodes
//
StartOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (StartOpCodeHandle != NULL);
//
// Create Hii Extend Label OpCode as the start opcode
//
StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
StartLabel->Number = LABEL_UPDATE2;
HiiCreateActionOpCode (
StartOpCodeHandle, // Container for dynamic created opcodes
0x1238, // Question ID
STRING_TOKEN(STR_SAVE_TEXT), // Prompt text
STRING_TOKEN(STR_SAVE_TEXT), // Help text
EFI_IFR_FLAG_CALLBACK, // Question flag
0 // Action String ID
);
HiiUpdateForm (
PrivateData->HiiHandle[0], // HII handle
&mFormSetGuid, // Formset GUID
0x3, // Form ID
StartOpCodeHandle, // Label for where to insert opcodes
NULL // Insert data
);
HiiFreeOpCodeHandle (StartOpCodeHandle);
return EFI_SUCCESS;
}
if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {
//
// On FORM_CLOSE event, show up a pop-up
//
do {
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
L"",
L"You are going to leave the Form!",
L"Press ESC or ENTER to continue ...",
L"",
NULL
);
} while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));
return EFI_SUCCESS;
}
if ((Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
if ((Type == EFI_IFR_TYPE_STRING) && (Value->string == 0)) {
return EFI_INVALID_PARAMETER;
}
Status = EFI_SUCCESS;
PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
@ -635,6 +696,28 @@ DriverCallback (
&PrivateData->Configuration
);
//
// Set initial vlaue of dynamic created oneof Question in Form Browser
//
Configuration = AllocateZeroPool (sizeof (DRIVER_SAMPLE_CONFIGURATION));
ASSERT (Configuration != NULL);
Status = HiiGetBrowserData (&mFormSetGuid, VariableName, sizeof (DRIVER_SAMPLE_CONFIGURATION), (UINT8 *) Configuration);
if (!EFI_ERROR (Status)) {
Configuration->DynamicOneof = 2;
//
// Update uncommitted data of Browser
//
HiiSetBrowserData (
&mFormSetGuid,
VariableName,
sizeof (DRIVER_SAMPLE_CONFIGURATION),
(UINT8 *) Configuration,
NULL
);
}
FreePool (Configuration);
HiiCreateOneOfOpCode (
StartOpCodeHandle, // Container for dynamic created opcodes
0x8001, // Question ID (or call it "key")
@ -682,8 +765,9 @@ DriverCallback (
HiiFreeOpCodeHandle (StartOpCodeHandle);
HiiFreeOpCodeHandle (OptionsOpCodeHandle);
HiiFreeOpCodeHandle (EndOpCodeHandle);
break;
case 0x5678:
//
// We will reach here once the Question is refreshed
@ -710,7 +794,7 @@ DriverCallback (
EFI_IFR_FLAG_CALLBACK, // Question flag
0 // Action String ID
);
HiiUpdateForm (
PrivateData->HiiHandle[0], // HII handle
&mFormSetGuid, // Formset GUID
@ -719,8 +803,8 @@ DriverCallback (
NULL // Insert data
);
HiiFreeOpCodeHandle (StartOpCodeHandle);
HiiFreeOpCodeHandle (StartOpCodeHandle);
//
// Refresh the Question value
//
@ -732,7 +816,7 @@ DriverCallback (
sizeof (DRIVER_SAMPLE_CONFIGURATION),
&PrivateData->Configuration
);
//
// Change an EFI Variable storage (MyEfiVar) asynchronous, this will cause
// the first statement in Form 3 be suppressed
@ -795,7 +879,7 @@ DriverCallback (
/**
Main entry for this driver.
@param ImageHandle Image handle this driver.
@param SystemTable Pointer to SystemTable.
@ -820,8 +904,8 @@ DriverSampleInit (
UINTN BufferSize;
DRIVER_SAMPLE_CONFIGURATION *Configuration;
BOOLEAN ActionFlag;
EFI_STRING ConfigRequestHdr;
EFI_STRING ConfigRequestHdr;
//
// Initialize the local variables.
//
@ -990,18 +1074,18 @@ DriverSampleInit (
ActionFlag = HiiValidateSettings (ConfigRequestHdr);
ASSERT (ActionFlag);
}
FreePool (ConfigRequestHdr);
//
// In default, this driver is built into Flash device image,
// In default, this driver is built into Flash device image,
// the following code doesn't run.
//
//
// Example of how to display only the item we sent to HII
// When this driver is not built into Flash device image,
// When this driver is not built into Flash device image,
// it need to call SendForm to show front page by itself.
//
if (DISPLAY_ONLY_MY_ITEM <= 1) {
@ -1017,9 +1101,9 @@ DriverSampleInit (
NULL,
NULL
);
HiiRemovePackages (HiiHandle[0]);
HiiRemovePackages (HiiHandle[1]);
}

3
MdeModulePkg/Universal/DriverSampleDxe/DriverSample.h
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2007, Intel Corporation
Copyright (c) 2007 - 2009, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -43,6 +43,7 @@ Revision History
#include <Library/HiiLib.h>
#include <Library/DevicePathLib.h>
#include <Library/PrintLib.h>
#include <Library/UefiLib.h>
#include "NVDataStruc.h"

3
MdeModulePkg/Universal/DriverSampleDxe/DriverSampleDxe.inf
View File

@ -2,7 +2,7 @@
# This is a sample driver which show how HII protocol, VFR and UNI files are used to
# create a driver which can be dipslayed and configured by a UEFI HII Form Browser.
#
# Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.
# Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.
#
# All rights reserved. This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
@ -55,6 +55,7 @@
DebugLib
HiiLib
PrintLib
UefiLib
[Guids]
gEfiIfrTianoGuid ## CONSUMES ## Guid