mirror of https://github.com/acidanthera/audk.git
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
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@ -2,7 +2,7 @@
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This is an example of how a driver might export data to the HII protocol to be
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later utilized by the Setup Protocol
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Copyright (c) 2004 - 2008, Intel Corporation
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Copyright (c) 2004 - 2009, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@ -554,6 +554,67 @@ DriverCallback (
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EFI_IFR_GUID_LABEL *StartLabel;
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VOID *EndOpCodeHandle;
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EFI_IFR_GUID_LABEL *EndLabel;
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EFI_INPUT_KEY Key;
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DRIVER_SAMPLE_CONFIGURATION *Configuration;
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if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {
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//
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// On FORM_OPEN event, update the form on-the-fly
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//
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PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
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//
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// Initialize the container for dynamic opcodes
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//
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StartOpCodeHandle = HiiAllocateOpCodeHandle ();
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ASSERT (StartOpCodeHandle != NULL);
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//
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// Create Hii Extend Label OpCode as the start opcode
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//
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StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
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StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
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StartLabel->Number = LABEL_UPDATE2;
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HiiCreateActionOpCode (
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StartOpCodeHandle, // Container for dynamic created opcodes
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0x1238, // Question ID
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STRING_TOKEN(STR_SAVE_TEXT), // Prompt text
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STRING_TOKEN(STR_SAVE_TEXT), // Help text
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EFI_IFR_FLAG_CALLBACK, // Question flag
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0 // Action String ID
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);
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HiiUpdateForm (
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PrivateData->HiiHandle[0], // HII handle
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&mFormSetGuid, // Formset GUID
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0x3, // Form ID
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StartOpCodeHandle, // Label for where to insert opcodes
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NULL // Insert data
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);
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HiiFreeOpCodeHandle (StartOpCodeHandle);
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return EFI_SUCCESS;
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}
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if (Action == EFI_BROWSER_ACTION_FORM_CLOSE) {
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//
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// On FORM_CLOSE event, show up a pop-up
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//
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do {
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CreatePopUp (
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EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
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&Key,
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L"",
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L"You are going to leave the Form!",
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L"Press ESC or ENTER to continue ...",
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L"",
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NULL
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);
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} while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));
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return EFI_SUCCESS;
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}
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if ((Value == NULL) || (ActionRequest == NULL)) {
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return EFI_INVALID_PARAMETER;
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@ -635,6 +696,28 @@ DriverCallback (
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&PrivateData->Configuration
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);
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//
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// Set initial vlaue of dynamic created oneof Question in Form Browser
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//
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Configuration = AllocateZeroPool (sizeof (DRIVER_SAMPLE_CONFIGURATION));
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ASSERT (Configuration != NULL);
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Status = HiiGetBrowserData (&mFormSetGuid, VariableName, sizeof (DRIVER_SAMPLE_CONFIGURATION), (UINT8 *) Configuration);
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if (!EFI_ERROR (Status)) {
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Configuration->DynamicOneof = 2;
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//
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// Update uncommitted data of Browser
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//
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HiiSetBrowserData (
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&mFormSetGuid,
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VariableName,
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sizeof (DRIVER_SAMPLE_CONFIGURATION),
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(UINT8 *) Configuration,
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NULL
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);
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}
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FreePool (Configuration);
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HiiCreateOneOfOpCode (
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StartOpCodeHandle, // Container for dynamic created opcodes
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0x8001, // Question ID (or call it "key")
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@ -682,6 +765,7 @@ DriverCallback (
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HiiFreeOpCodeHandle (StartOpCodeHandle);
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HiiFreeOpCodeHandle (OptionsOpCodeHandle);
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HiiFreeOpCodeHandle (EndOpCodeHandle);
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break;
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case 0x5678:
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@ -1,6 +1,6 @@
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/** @file
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Copyright (c) 2007, Intel Corporation
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Copyright (c) 2007 - 2009, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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@ -43,6 +43,7 @@ Revision History
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#include <Library/HiiLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/PrintLib.h>
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#include <Library/UefiLib.h>
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#include "NVDataStruc.h"
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@ -2,7 +2,7 @@
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# This is a sample driver which show how HII protocol, VFR and UNI files are used to
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# create a driver which can be dipslayed and configured by a UEFI HII Form Browser.
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#
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# Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.
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# Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.
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#
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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@ -55,6 +55,7 @@
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DebugLib
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HiiLib
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PrintLib
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UefiLib
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[Guids]
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gEfiIfrTianoGuid ## CONSUMES ## Guid
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