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/** @file
Implements titlebar interface functions.
(C) Copyright 2013 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "EditTitleBar.h"
#include "UefiShellDebug1CommandsLib.h"
CHAR16 *Title = NULL;
/**
Initialize a title bar.
@param[in] Prompt The prompt to print in the title bar.
@retval EFI_SUCCESS The initialization was successful.
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.
**/
EFI_STATUS
MainTitleBarInit (
CONST CHAR16 *Prompt
)
{
SHELL_FREE_NON_NULL (Title);
if (Prompt == NULL) {
Title = CatSPrint (NULL, L"");
} else {
//
// set Title
//
Title = CatSPrint (NULL, L"%s", Prompt);
}
if (Title == NULL) {
return EFI_OUT_OF_RESOURCES;
}
return EFI_SUCCESS;
}
/**
Clean up the memory used.
**/
VOID
MainTitleBarCleanup (
VOID
)
{
SHELL_FREE_NON_NULL (Title);
Title = NULL;
}
typedef struct {
UINT32 Foreground : 4;
UINT32 Background : 4;
} TITLE_BAR_COLOR_ATTRIBUTES;
typedef union {
TITLE_BAR_COLOR_ATTRIBUTES Colors;
UINTN Data;
} TITLE_BAR_COLOR_UNION;
/**
Refresh function for MainTitleBar
@param[in] FileName The open file's name (or NULL).
@param[in] FileType The type fo the file.
@param[in] ReadOnly TRUE if the file is read only. FALSE otherwise.
@param[in] Modified TRUE if the file was modified. FALSE otherwise.
@param[in] LastCol The last printable column.
@param[in] LastRow The last printable row.
@param[in] Offset The offset into the file. (only for mem/disk)
@param[in] Size The file's size. (only for mem/disk)
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
MainTitleBarRefresh (
IN CONST CHAR16 *FileName OPTIONAL,
IN CONST EDIT_FILE_TYPE FileType,
IN CONST BOOLEAN ReadOnly,
IN CONST BOOLEAN Modified,
IN CONST UINTN LastCol,
IN CONST UINTN LastRow,
IN CONST UINTN Offset,
IN CONST UINTN Size
)
{
TITLE_BAR_COLOR_UNION Orig;
TITLE_BAR_COLOR_UNION New;
CONST CHAR16 *FileNameTmp;
INTN TempInteger;
//
// backup the old screen attributes
//
Orig.Data = gST->ConOut->Mode->Attribute;
New.Data = 0;
New.Colors.Foreground = Orig.Colors.Background & 0xF;
New.Colors.Background = Orig.Colors.Foreground & 0x7;
gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);
//
// clear the title line
//
EditorClearLine (1, LastCol, LastRow);
if (Title != NULL) {
//
// print the new title bar prefix
//
ShellPrintEx (
0,
0,
L"%s ",
Title
);
}
if (FileName == NULL) {
gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);
return EFI_SUCCESS;
}
//
// First Extract the FileName from fullpath
//
FileNameTmp = FileName;
for (TempInteger = StrLen (FileNameTmp) - 1; TempInteger >= 0; TempInteger--) {
if (FileNameTmp[TempInteger] == L'\\') {
break;
}
}
FileNameTmp = FileNameTmp + TempInteger + 1;
//
// the space for file name is 20 characters
//
if (StrLen (FileNameTmp) <= 20) {
ShellPrintDefaultEx (L"%s ", FileNameTmp);
for (TempInteger = StrLen (FileNameTmp); TempInteger < 20; TempInteger++) {
ShellPrintDefaultEx (L" ");
}
} else {
for (TempInteger = 0; TempInteger < 17; TempInteger++) {
ShellPrintDefaultEx (L"%c", FileNameTmp[TempInteger]);
}
//
// print "..."
//
ShellPrintDefaultEx (L"... ");
}
//
// print file type field
//
switch (FileType) {
case FileTypeAscii:
case FileTypeUnicode:
if (FileType == FileTypeAscii) {
ShellPrintDefaultEx (L" ASCII ");
} else {
ShellPrintDefaultEx (L" UNICODE ");
}
//
// print read-only field for text files
//
if (ReadOnly) {
ShellPrintDefaultEx (L"ReadOnly ");
} else {
ShellPrintDefaultEx (L" ");
}
break;
case FileTypeDiskBuffer:
case FileTypeMemBuffer:
//
// Print the offset.
//
ShellPrintDefaultEx (L"Offset %X | Size %X", Offset, Size);
case FileTypeFileBuffer:
break;
default:
break;
}
//
// print modified field
//
if (Modified) {
ShellPrintDefaultEx (L"Modified");
}
//
// restore the old attribute
//
gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);
return EFI_SUCCESS;
}
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