Rename Lesson_Checkbox to Lesson_63

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>

1 files changed, 133 insertions, 0 deletions

diff --git a/Lessons/Lesson_63/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.c b/Lessons/Lesson_63/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.c
new file mode 100644
index 0000000..5bfcab5
--- /dev/null
+++ b/Lessons/Lesson_63/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#include <Library/HiiLib.h>
+#include <Protocol/FormBrowser2.h>
+
+#include <Library/DevicePathLib.h>
+#include <Library/BaseMemoryLib.h>
+
+extern UINT8 FormBin[];
+
+#pragma pack(1)
+///
+/// HII specific Vendor Device Path definition.
+///
+typedef struct {
+  VENDOR_DEVICE_PATH             VendorDevicePath;
+  EFI_DEVICE_PATH_PROTOCOL       End;
+} HII_VENDOR_DEVICE_PATH;
+#pragma pack()
+
+#define FORMSET_GUID  {0xef2acc91, 0x7b50, 0x4ab9, {0xab, 0x67, 0x2b, 0x4, 0xf8, 0xbc, 0x13, 0x5e}}
+
+EFI_HII_HANDLE  mHiiHandle = NULL;
+EFI_HANDLE      mDriverHandle = NULL;
+
+HII_VENDOR_DEVICE_PATH  mHiiVendorDevicePath = {
+  {
+    {
+      HARDWARE_DEVICE_PATH,
+      HW_VENDOR_DP,
+      {
+        (UINT8) (sizeof (VENDOR_DEVICE_PATH)),
+        (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
+      }
+    },
+    FORMSET_GUID
+  },
+  {
+    END_DEVICE_PATH_TYPE,
+    END_ENTIRE_DEVICE_PATH_SUBTYPE,
+    {
+      (UINT8) (END_DEVICE_PATH_LENGTH),
+      (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
+    }
+  }
+};
+
+
+EFI_STATUS
+EFIAPI
+UefiMain (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS Status;
+  //
+  // Publish sample Fromset
+  //
+  Status = gBS->InstallProtocolInterface (
+                  &mDriverHandle,
+                  &gEfiDevicePathProtocolGuid,
+                  EFI_NATIVE_INTERFACE,
+                  &mHiiVendorDevicePath
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+
+  UINTN BufferSize;
+  UINT8 EfiVarstore;
+  BufferSize = sizeof(UINT8);
+  Status = gRT->GetVariable (
+                L"HIIFormCheckboxEfiVarstore",
+                &mHiiVendorDevicePath.VendorDevicePath.Guid,
+                NULL,
+                &BufferSize,
+                &EfiVarstore);
+  if (EFI_ERROR(Status)) {
+    Print(L"Error! Can't find variable! %r\n", Status);
+    ZeroMem(&EfiVarstore, sizeof(EfiVarstore));
+    Status = gRT->SetVariable(
+                  L"HIIFormCheckboxEfiVarstore",
+                  &mHiiVendorDevicePath.VendorDevicePath.Guid,
+                  EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
+                  sizeof(EfiVarstore),
+                  &EfiVarstore);
+    if (EFI_ERROR(Status)) {
+      Print(L"Error! Can't create variable! %r\n", Status);
+    }
+  }
+ 
+
+  EFI_HII_HANDLE Handle = HiiAddPackages(
+                             &gEfiCallerIdGuid,
+                             mDriverHandle,
+                             HIIFormCheckboxStrings,
+                             FormBin,
+                             NULL
+                             );
+  if (Handle == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+ 
+  EFI_FORM_BROWSER2_PROTOCOL* FormBrowser2;
+  Status = gBS->LocateProtocol(&gEfiFormBrowser2ProtocolGuid, NULL, (VOID**)&FormBrowser2);
+  if (EFI_ERROR(Status)) {
+    return Status;
+  }
+
+  Status = FormBrowser2->SendForm (
+                           FormBrowser2,
+                           &Handle,
+                           1,
+                           NULL,
+                           0,
+                           NULL,
+                           NULL
+                           );
+
+  HiiRemovePackages(Handle);
+
+  return EFI_SUCCESS;
+}