Source code of Windows XP (NT5)
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/*++
Copyright (c) 1999 Intel Corporation
Module Name:
libMenuBar.c
Abstract:
Defines the MenuBar data type and the operations to be performed on it.
--*/
#ifndef _LIB_MENU_BAR
#define _LIB_MENU_BAR
#include "libMisc.h"
STATIC UINTN HexSelStart;
STATIC UINTN HexSelEnd;
STATIC BOOLEAN EditorIsExiting = FALSE;
#define IS_EDITOR_EXITING (EditorIsExiting == TRUE)
STATIC EFI_STATUS MainMenuInit (VOID);
STATIC EFI_STATUS MainMenuCleanup (VOID);
STATIC EFI_STATUS MainMenuRefresh (VOID);
STATIC EFI_STATUS MainMenuHandleInput (EFI_INPUT_KEY*);
STATIC EFI_STATUS MenuHide(VOID);
STATIC EFI_STATUS OpenFile(VOID);
STATIC EFI_STATUS BufferClose(VOID);
STATIC EFI_STATUS BufferSave(VOID);
STATIC EFI_STATUS Exit(VOID);
STATIC EFI_STATUS DiskOpen(VOID);
STATIC EFI_STATUS MemOpen(VOID);
STATIC EFI_STATUS SelectStart(VOID);
STATIC EFI_STATUS SelectEnd(VOID);
STATIC EFI_STATUS CopyHex(VOID);
STATIC EFI_STATUS CutHex(VOID);
STATIC EFI_STATUS PasteHex(VOID);
STATIC EFI_STATUS GotoOffset(VOID);
EE_MENU_ITEM MenuItems[] = {
{ L"Open File", L"F1", OpenFile },
{ L"Open Disk", L"F2", DiskOpen },
{ L"Open Memory", L"F3", MemOpen },
{ L"Save Buffer", L"F4", BufferSave },
{ L"Select Start", L"F5", SelectStart },
{ L"Select End", L"F6", SelectEnd },
{ L"Cut", L"F7", CutHex },
{ L"Paste", L"F8", PasteHex },
{ L"Go To Offset", L"F9", GotoOffset },
{ L"Exit", L"F10", Exit },
{ L"", L"", NULL }
};
EE_MENU_BAR MainMenuBar = {
MenuItems,
MainMenuInit,
MainMenuCleanup,
MainMenuRefresh,
MenuHide,
MainMenuHandleInput
};
STATIC
EFI_STATUS
MainMenuInit (VOID)
{
HexSelStart = 0;
HexSelEnd = 0;
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
MainMenuCleanup (VOID)
{
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
MainMenuRefresh (VOID)
{
EE_MENU_ITEM *Item;
UINTN Col = 0;
UINTN Row = MENU_BAR_LOCATION;
UINTN Width;
MenuHide ();
for (Item = MainMenuBar.MenuItems; Item->Function;Item++) {
Width = max((StrLen(Item->Name)+6),18);
if ((Col + Width) >= MAX_TEXT_COLUMNS ) {
Row++;
Col = 0;
}
PrintAt(Col,Row,L"%E%s%N %H%s%N ",Item->FunctionKey,Item->Name);
Col += Width;
}
MainEditor.FileBuffer->RestorePosition();
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
MainMenuHandleInput (EFI_INPUT_KEY *Key)
{
EE_MENU_ITEM *Item;
EFI_STATUS Status;
UINTN ItemIndex = 0;
UINTN NumItems;
NumItems = sizeof(MainMenuBar.MenuItems)/sizeof(EE_MENU_ITEM) - 1;
Item = MainMenuBar.MenuItems;
ItemIndex = Key->ScanCode - SCAN_CODE_F1;
if (ItemIndex > (NumItems - 1)) {
return EFI_SUCCESS;
}
Item = &MainMenuBar.MenuItems[ItemIndex];
Status = Item->Function();
MainMenuRefresh();
return (IS_EDITOR_EXITING) ? EFI_LOAD_ERROR : Status;
}
STATIC
EFI_STATUS
OpenFile (VOID)
{
EFI_STATUS Status = EFI_SUCCESS;
CHAR16 *Filename;
MainEditor.BufferImage->FileImage->Init();
MainEditor.InputBar->SetPrompt(L"File Name to Open: ");
MainEditor.InputBar->SetStringSize (125);
Status = MainEditor.InputBar->Refresh ();
if ( EFI_ERROR(Status) ) {
return EFI_SUCCESS;
}
Filename = MainEditor.InputBar->ReturnString;
if ( Filename == NULL ) {
MainEditor.StatusBar->SetStatusString(L"Filename was NULL");
return EFI_SUCCESS;
}
Status = MainEditor.BufferImage->FileImage->SetFilename (Filename);
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Set Filename");
return EFI_NOT_FOUND;
}
Status = MainEditor.BufferImage->Open ();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Open File");
return EFI_NOT_FOUND;
}
Status = MainEditor.BufferImage->Read ();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Read File");
return EFI_NOT_FOUND;
}
Status = MainEditor.FileBuffer->Refresh();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Refresh");
return EFI_NOT_FOUND;
}
MainEditor.TitleBar->SetTitleString(Filename);
MainEditor.Refresh();
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
BufferClose (VOID)
{
EFI_INPUT_KEY Key;
EFI_STATUS Status = EFI_SUCCESS;
BOOLEAN Done = FALSE;
if (MainEditor.FileModified) {
MenuHide();
PrintAt(0,MENU_BAR_LOCATION,L"%E%Y%H Yes%N %EN%N %HNo%N %EQ%N %HCancel%N");
MainEditor.StatusBar->SetStatusString(L"Buffer Modified. Save? ");
while (!Done) {
WaitForSingleEvent(In->WaitForKey,0);
Status = In->ReadKeyStroke(In,&Key);
if ( EFI_ERROR(Status) || Key.ScanCode != 0 ) {
continue;
}
switch (Key.UnicodeChar) {
case 'q':
case 'Q':
Status = EFI_NOT_READY;
Done = TRUE;
break;
case 'n':
case 'N':
Status = EFI_SUCCESS;
Done = TRUE;
break;
case 'y':
case 'Y':
Status = BufferSave();
Done = TRUE;
break;
default:
break;
}
}
MainMenuRefresh();
}
if (!EFI_ERROR(Status)) {
MainEditor.BufferImage->Close();
MainEditor.FileBuffer->Refresh ();
MainEditor.TitleBar->SetTitleString(L"");
} else {
EditorIsExiting = FALSE;
}
MainEditor.StatusBar->Refresh();
MainMenuRefresh();
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
FileGetName (
VOID
)
{
CHAR16 *Output;
EFI_STATUS Status;
Output = PoolPrint (L"File To Save: [%s]",MainEditor.BufferImage->FileImage->FileName);
MainEditor.InputBar->SetPrompt(Output);
MainEditor.InputBar->SetStringSize(255);
Status = MainEditor.InputBar->Refresh();
FreePool(Output);
if (!EFI_ERROR(Status) && MainEditor.InputBar->StringSize > 0) {
MainEditor.BufferImage->FileImage->SetFilename(MainEditor.InputBar->ReturnString);
}
return Status;
}
STATIC
EFI_STATUS
BufferSave (VOID)
{
EFI_STATUS Status;
if (!MainEditor.FileModified) {
return EFI_SUCCESS;
}
if (MainEditor.BufferImage->BufferType == FILE_BUFFER) {
FileGetName();
}
Status = MainEditor.BufferImage->Write();
if (EFI_ERROR(Status)) {
EditorError(Status,L"BufferSave: Problems Writing");
}
MainEditor.FileModified = FALSE;
return Status;
}
STATIC
EFI_STATUS
Exit (
VOID
)
{
EditorIsExiting = TRUE;
BufferClose();
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
MenuHide (VOID)
{
MainEditor.FileBuffer->ClearLine (MENU_BAR_LOCATION);
MainEditor.FileBuffer->ClearLine (MENU_BAR_LOCATION+1);
MainEditor.FileBuffer->ClearLine (MENU_BAR_LOCATION+2);
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
SelectStart (
VOID
)
{
HexSelStart = MainEditor.FileBuffer->Offset;
HexSelEnd = HexSelStart;
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
SelectEnd (
VOID
)
{
UINTN Offset;
Offset = MainEditor.FileBuffer->Offset;
if (Offset > HexSelStart) {
HexSelEnd = Offset;
}
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
CopyHex (
VOID
)
{
MainEditor.Clipboard->Copy(HexSelStart,HexSelEnd);
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
CutHex (
VOID
)
{
MainEditor.StatusBar->SetStatusString (L"EditMenuCut: Entered Function");
MainEditor.Clipboard->Cut (HexSelStart,HexSelEnd);
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
PasteHex (
VOID
)
{
EFI_STATUS Status;
Status = MainEditor.Clipboard->Paste();
return Status;
}
STATIC
EFI_STATUS
GotoOffset (
VOID
)
{
CHAR16 *Str;
UINTN Offset;
UINTN Current;
UINTN MaxBytes;
UINTN RowDiff;
UINTN LineOffset;
BOOLEAN Refresh = FALSE;
MenuHide ();
Str = PoolPrint(L"Go To Offset: ");
MainEditor.InputBar->SetPrompt(Str);
FreePool(Str);
/* Inputing the offset as the style "0000XXXX" displayed on the editor screen will cause
* an assert error related to pool, the gived string size may be short. */
MainEditor.InputBar->SetStringSize(20);
MainEditor.InputBar->Refresh();
if (MainEditor.InputBar->StringSize > 0) {
Offset = xtoi(MainEditor.InputBar->ReturnString);
} else {
return EFI_SUCCESS;
}
FreePool(MainEditor.InputBar->ReturnString);
if (Offset > MainEditor.BufferImage->NumBytes) {
return EFI_SUCCESS;
}
Current = MainEditor.FileBuffer->Offset;
MaxBytes = MainEditor.FileBuffer->MaxVisibleBytes;
if (Offset == Current ) {
return EFI_SUCCESS;
}
if (Offset < Current) {
RowDiff = (Current - Offset) / 0x10;
LineRetreat(RowDiff);
if (Offset < MainEditor.FileBuffer->LowVisibleOffset ) {
MainEditor.FileBuffer->LowVisibleOffset = Offset & 0xfffffff0;
MainEditor.FileBuffer->HighVisibleOffset = (Offset + MaxBytes) & 0xfffffff0;
Refresh = TRUE;
}
} else {
RowDiff = (Offset - Current) / 0x10;
LineAdvance(RowDiff);
if (Offset > MainEditor.FileBuffer->HighVisibleOffset) {
MainEditor.FileBuffer->LowVisibleOffset = Offset & 0xfffffff0;
MainEditor.FileBuffer->HighVisibleOffset = (Offset + MaxBytes) & 0xfffffff0;
Refresh = TRUE;
}
}
Current = MainEditor.FileBuffer->LowVisibleOffset;
LineOffset = (Offset % 0x10) * 3 + HEX_POSITION;
if ((Offset % 0x10) > 0x07) {
++LineOffset;
}
MainEditor.FileBuffer->Offset = Offset;
MainEditor.FileBuffer->SetPosition(DISP_START_ROW+(Offset-Current)/0x10,LineOffset);
MainEditor.StatusBar->SetOffset(Offset);
if (Refresh) {
MainEditor.FileBuffer->Refresh();
}
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
DiskOpen (
VOID
)
{
UINTN n;
CHAR16 *Str;
EFI_STATUS Status;
Status = BufferClose ();
if (EFI_ERROR(Status)){
return Status;
}
MainEditor.BufferImage->DiskImage->Init();
MenuHide();
Str = PoolPrint(L"Enter Block Device: ");
MainEditor.InputBar->SetPrompt(Str);
FreePool(Str);
MainEditor.InputBar->SetStringSize(25);
MainEditor.InputBar->Refresh();
if (MainEditor.InputBar->StringSize > 0) {
Status = MainEditor.BufferImage->DiskImage->SetDevice(MainEditor.InputBar->ReturnString);
FreePool(MainEditor.InputBar->ReturnString);
if (EFI_ERROR(Status)) {
return EFI_SUCCESS;
}
} else {
return EFI_SUCCESS;
}
Str = PoolPrint(L"Starting Offset: ");
MainEditor.InputBar->SetPrompt(Str);
FreePool(Str);
MainEditor.InputBar->SetStringSize(16);
MainEditor.InputBar->Refresh();
if (MainEditor.InputBar->StringSize > 0) {
n = xtoi(MainEditor.InputBar->ReturnString);
FreePool(MainEditor.InputBar->ReturnString);
}
MainEditor.BufferImage->DiskImage->SetOffset(n);
Str = PoolPrint(L"Number of Blocks: ");
MainEditor.InputBar->SetPrompt(Str);
FreePool(Str);
MainEditor.InputBar->SetStringSize(8);
MainEditor.InputBar->Refresh();
if (MainEditor.InputBar->StringSize > 0) {
n = xtoi(MainEditor.InputBar->ReturnString);
FreePool(MainEditor.InputBar->ReturnString);
}
MainEditor.BufferImage->DiskImage->SetSize(n);
Status = MainEditor.BufferImage->Open ();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Open Device");
return EFI_NOT_FOUND;
}
Status = MainEditor.BufferImage->Read ();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Read Device");
return EFI_NOT_FOUND;
}
Status = MainEditor.FileBuffer->Refresh();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Refresh Buffer");
return EFI_NOT_FOUND;
}
MainEditor.Refresh();
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
MemOpen (
VOID
)
{
UINTN Num = 0;
CHAR16 *Str;
EFI_STATUS Status;
Status = BufferClose ();
if (EFI_ERROR(Status)){
return Status;
}
MainEditor.BufferImage->MemImage->Init();
Str = PoolPrint(L"Starting Offset: ");
MainEditor.InputBar->SetPrompt(Str);
FreePool(Str);
MainEditor.InputBar->SetStringSize(20);
MainEditor.InputBar->Refresh();
if (MainEditor.InputBar->StringSize > 0) {
Num = xtoi(MainEditor.InputBar->ReturnString);
FreePool(MainEditor.InputBar->ReturnString);
}
MainEditor.BufferImage->MemImage->SetOffset(Num);
Str = PoolPrint(L"Buffer Size: ");
MainEditor.InputBar->SetPrompt(Str);
FreePool(Str);
MainEditor.InputBar->SetStringSize(20);
MainEditor.InputBar->Refresh();
if (MainEditor.InputBar->StringSize > 0) {
Num = xtoi(MainEditor.InputBar->ReturnString);
FreePool(MainEditor.InputBar->ReturnString);
}
MainEditor.BufferImage->MemImage->SetSize(Num);
Status = MainEditor.BufferImage->Open ();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Open Device");
return EFI_NOT_FOUND;
}
Status = MainEditor.BufferImage->Read ();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Read Device");
return EFI_NOT_FOUND;
}
Status = MainEditor.FileBuffer->Refresh();
if ( EFI_ERROR(Status) ) {
EditorError(Status,L"Could Not Refresh Buffer");
return EFI_NOT_FOUND;
}
MainEditor.Refresh();
return EFI_SUCCESS;
}
#endif /* _LIB_MENU_BAR */