C++ (Cpp) LibRefreshUpdateData示例

示例#1

文件： FileExplorer.c 项目： wensunshine/VisualUefi

/**

  Update the File Explore page.

**/
VOID
LibUpdateFileExplorePage (
  VOID
  )
{
  UINTN           Index;
  MENU_ENTRY      *NewMenuEntry;
  FILE_CONTEXT    *NewFileContext;
  MENU_OPTION     *MenuOption;

  NewMenuEntry    = NULL;
  NewFileContext  = NULL;

  LibRefreshUpdateData ();
  MenuOption = gFileExplorerPrivate.FsOptionMenu;

  for (Index = 0; Index < MenuOption->MenuNumber; Index++) {
    NewMenuEntry    = LibGetMenuEntry (MenuOption, Index);
    NewFileContext  = (FILE_CONTEXT *) NewMenuEntry->VariableContext;

    if (!NewFileContext->IsDir) {
      //
      // Create Text opcode for directory, also create Text opcode for file in FileExplorerStateBootFromFile.
      //
      HiiCreateActionOpCode (
        mLibStartOpCodeHandle,
        (UINT16) (FILE_OPTION_OFFSET + Index),
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        0
        );
    } else {
      //
      // Create Goto opcode for file in FileExplorerStateAddBootOption or FileExplorerStateAddDriverOptionState.
      //
      HiiCreateGotoOpCode (
        mLibStartOpCodeHandle,
        FORM_FILE_EXPLORER_ID,
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (FILE_OPTION_OFFSET + Index)
        );
    }
  }

  HiiUpdateForm (
    gFileExplorerPrivate.FeHiiHandle,
    &FileExplorerGuid,
    FORM_FILE_EXPLORER_ID,
    mLibStartOpCodeHandle, // Label FORM_FILE_EXPLORER_ID
    mLibEndOpCodeHandle    // LABEL_END
    );
}

示例#2

文件： FileExplorer.c 项目： kraxel/edk2

/**

  Update the File Explore page.

**/
VOID
LibUpdateFileExplorePage (
  VOID
  )
{
  UINTN           Index;
  MENU_ENTRY      *NewMenuEntry;
  FILE_CONTEXT    *NewFileContext;
  MENU_OPTION     *MenuOption;
  BOOLEAN         CreateNewFile;

  NewMenuEntry    = NULL;
  NewFileContext  = NULL;
  CreateNewFile   = FALSE;

  LibRefreshUpdateData ();
  MenuOption = gFileExplorerPrivate.FsOptionMenu;

  mQuestionIdUpdate += QUESTION_ID_UPDATE_STEP;

  for (Index = 0; Index < MenuOption->MenuNumber; Index++) {
    NewMenuEntry    = LibGetMenuEntry (MenuOption, Index);
    NewFileContext  = (FILE_CONTEXT *) NewMenuEntry->VariableContext;

    if (!NewFileContext->IsRoot && !CreateNewFile) {
      HiiCreateGotoOpCode (
        mLibStartOpCodeHandle,
        FORM_ADD_NEW_FILE_ID,
        STRING_TOKEN (STR_NEW_FILE),
        STRING_TOKEN (STR_NEW_FILE_HELP),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (mNewFileQuestionId++)
        );
      HiiCreateGotoOpCode (
        mLibStartOpCodeHandle,
        FORM_ADD_NEW_FOLDER_ID,
        STRING_TOKEN (STR_NEW_FOLDER),
        STRING_TOKEN (STR_NEW_FOLDER_HELP),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (mNewFolderQuestionId++)
        );
      HiiCreateTextOpCode(
        mLibStartOpCodeHandle,
        STRING_TOKEN (STR_NULL_STRING),
        STRING_TOKEN (STR_NULL_STRING),
        0
        );
      CreateNewFile = TRUE;
    }

    if (!NewFileContext->IsDir) {
      //
      // Create Text opcode for directory, also create Text opcode for file in FileExplorerStateBootFromFile.
      //
      HiiCreateActionOpCode (
        mLibStartOpCodeHandle,
        (UINT16) (FILE_OPTION_OFFSET + Index + mQuestionIdUpdate),
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        0
        );
    } else {
      //
      // Create Goto opcode for file in FileExplorerStateAddBootOption or FileExplorerStateAddDriverOptionState.
      //
      HiiCreateGotoOpCode (
        mLibStartOpCodeHandle,
        FORM_FILE_EXPLORER_ID,
        NewMenuEntry->DisplayStringToken,
        STRING_TOKEN (STR_NULL_STRING),
        EFI_IFR_FLAG_CALLBACK,
        (UINT16) (FILE_OPTION_OFFSET + Index + mQuestionIdUpdate)
        );
    }
  }

  HiiUpdateForm (
    gFileExplorerPrivate.FeHiiHandle,
    &FileExplorerGuid,
    FORM_FILE_EXPLORER_ID,
    mLibStartOpCodeHandle, // Label FORM_FILE_EXPLORER_ID
    mLibEndOpCodeHandle    // LABEL_END
    );
}