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470 lines
8.2 KiB
470 lines
8.2 KiB
/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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Con
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Abstract:
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Takes care of request involving the console ( CON: )
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Author:
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Ramon Juan San Andres (ramonsa) 26-Jun-1991
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Notes:
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This module issues direct calls to USER, because having ULIB doing
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so causes programs to crash.
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Revision History:
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--*/
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#include "mode.hxx"
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#include "cons.hxx"
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#include "keyboard.hxx"
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#include "path.hxx"
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#include "screen.hxx"
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#include "stream.hxx"
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#include "system.hxx"
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//
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// Local prototypes
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//
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BOOLEAN
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ConStatus(
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IN PREQUEST_HEADER Request,
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IN BOOLEAN JustCodePage
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);
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BOOLEAN
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ConCodePage(
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IN PREQUEST_HEADER Request
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);
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BOOLEAN
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ConSetRowCol(
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IN PREQUEST_HEADER Request
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);
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BOOLEAN
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ConSetTypematic(
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IN PREQUEST_HEADER Request
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);
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BOOLEAN
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ConHandler(
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IN PREQUEST_HEADER Request
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)
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/*++
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Routine Description:
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Handles console requests
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Arguments:
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Request - Supplies pointer to request
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Return Value:
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None.
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Notes:
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--*/
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{
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BOOLEAN Served = TRUE; // TRUE if request served OK.
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DebugPtrAssert( Request );
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DebugAssert( Request->DeviceType == DEVICE_TYPE_CON );
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//
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// So the device is valid. Now serve the request
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//
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switch( Request->RequestType ) {
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case REQUEST_TYPE_STATUS:
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//
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// Display state of CON device
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//
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Served = ConStatus( Request, FALSE );
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break;
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case REQUEST_TYPE_CODEPAGE_PREPARE:
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case REQUEST_TYPE_CODEPAGE_SELECT:
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case REQUEST_TYPE_CODEPAGE_REFRESH:
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//
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// Handle Codepage requests
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//
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Served = ConCodePage( Request );
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break;
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case REQUEST_TYPE_CODEPAGE_STATUS:
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//
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// Display codepage status
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//
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Served = ConStatus( Request, TRUE );
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break;
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case REQUEST_TYPE_CON_SET_ROWCOL:
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//
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// Set rows & columns
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//
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Served = ConSetRowCol( Request );
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break;
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case REQUEST_TYPE_CON_SET_TYPEMATIC:
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//
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// Set typematic rate
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//
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Served = ConSetTypematic( Request );
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break;
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default:
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DisplayMessageAndExit( MODE_ERROR_INVALID_PARAMETER,
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NULL,
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(ULONG)EXIT_ERROR );
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}
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return Served;
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}
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BOOLEAN
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ConStatus(
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IN PREQUEST_HEADER Request,
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IN BOOLEAN JustCodePage
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)
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/*++
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Routine Description:
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Displays status of a console
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Arguments:
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Request - Supplies pointer to request
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JustCodePage- Supplies a flag which if TRUE means that only
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the codepage status should be displayed.
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Return Value:
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BOOLEAN - TRUE if status displayed successfully,
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FALSE otherwise
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Notes:
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--*/
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{
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SCREEN Screen;
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PATH ConPath;
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USHORT Rows;
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USHORT Cols;
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ULONG Delay = 0;
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ULONG Speed = 0;
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DSTRING CodepageName;
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ULONG Language;
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ULONG Country;
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ULONG Codepage;
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DSTRING CodepageString;
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PSTR S1, S2;
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if ( !ConPath.Initialize( (LPWSTR)L"CON" ) ) {
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DisplayMessageAndExit( MODE_ERROR_NO_MEMORY, NULL, (ULONG)EXIT_ERROR );
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}
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//
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// Write the Header
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//
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WriteStatusHeader( &ConPath );
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if ( !Screen.Initialize() ) {
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DisplayMessageAndExit( MODE_ERROR_NO_MEMORY, NULL, (ULONG)EXIT_ERROR );
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}
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if ( !JustCodePage ) {
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//
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// Display non-codepage information
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//
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Screen.QueryScreenSize( &Rows, &Cols );
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Message->Set( MODE_MESSAGE_STATUS_LINES );
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Message->Display( "%d", Rows );
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Message->Set( MODE_MESSAGE_STATUS_COLS );
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Message->Display( "%d", Cols );
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if (!SystemParametersInfo( SPI_GETKEYBOARDSPEED, 0, (PVOID)&Speed, 0 )) {
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ExitWithError( GetLastError() );
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}
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Message->Set( MODE_MESSAGE_STATUS_RATE );
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Message->Display( "%d", Speed );
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if (!SystemParametersInfo( SPI_GETKEYBOARDDELAY, 0, (PVOID)&Delay, 0 )) {
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ExitWithError( GetLastError() );
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}
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Message->Set( MODE_MESSAGE_STATUS_DELAY );
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Message->Display( "%d", Delay );
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}
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Message->Set( MODE_MESSAGE_STATUS_CODEPAGE );
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Message->Display( "%d", Screen.QueryCodePage( ) );
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Get_Standard_Output_Stream()->WriteChar( '\r' );
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Get_Standard_Output_Stream()->WriteChar( '\n' );
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return TRUE;
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}
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BOOLEAN
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ConCodePage(
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IN PREQUEST_HEADER Request
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)
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/*++
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Routine Description:
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Handles Codepage requests for the console
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Arguments:
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Request - Supplies pointer to request
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Return Value:
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BOOLEAN - TRUE if request handled successfully,
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FALSE otherwise
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Notes:
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--*/
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{
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SCREEN Screen;
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PREQUEST_DATA_CON_CODEPAGE_SELECT Data;
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//
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// We only process Codepage Select requests, all other requests
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// are No-Ops. Note that the Codepage Status request is not
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// processed here.
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//
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if ( Request->RequestType == REQUEST_TYPE_CODEPAGE_SELECT ) {
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Data = (PREQUEST_DATA_CON_CODEPAGE_SELECT)&(((PCON_REQUEST)Request)->
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Data.CpSelect);
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if ( !Screen.Initialize() ) {
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DisplayMessageAndExit( MODE_ERROR_NO_MEMORY, NULL, (ULONG)EXIT_ERROR );
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}
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if ( !Screen.SetCodePage( Data->Codepage ) ||
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!Screen.SetOutputCodePage( Data->Codepage) ) {
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DisplayMessageAndExit( MODE_ERROR_INVALID_CODEPAGE, NULL, (ULONG)EXIT_ERROR );
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}
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#ifdef FE_SB
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LANGID LangId;
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switch (GetConsoleOutputCP()) {
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case 932:
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LangId = MAKELANGID( LANG_JAPANESE, SUBLANG_DEFAULT );
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break;
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case 949:
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LangId = MAKELANGID( LANG_KOREAN, SUBLANG_KOREAN );
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break;
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case 936:
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LangId = MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED );
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break;
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case 950:
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LangId = MAKELANGID( LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL );
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break;
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default:
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LangId = PRIMARYLANGID(LANGIDFROMLCID( GetUserDefaultLCID() ));
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if (LangId == LANG_JAPANESE ||
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LangId == LANG_KOREAN ||
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LangId == LANG_CHINESE ) {
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LangId = MAKELANGID( LANG_ENGLISH, SUBLANG_ENGLISH_US );
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}
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else {
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LangId = MAKELANGID( LANG_NEUTRAL, SUBLANG_DEFAULT );
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}
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break;
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}
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SetThreadLocale( MAKELCID(LangId, SORT_DEFAULT) );
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#endif
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ConStatus( Request, FALSE );
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} else {
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DisplayMessageAndExit( MODE_MESSAGE_NOT_NEEDED, NULL, EXIT_SUCCESS );
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}
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return TRUE;
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}
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BOOLEAN
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ConSetRowCol(
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IN PREQUEST_HEADER Request
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)
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/*++
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Routine Description:
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Sets number of rows and columns in the console window.
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Arguments:
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Request - Supplies pointer to request
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Return Value:
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BOOLEAN - TRUE if Number of Rows & Columns set successfully,
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FALSE otherwise
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Notes:
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--*/
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{
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PREQUEST_DATA_CON_ROWCOL Data;
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SCREEN Screen;
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USHORT Rows;
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USHORT Cols;
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BOOLEAN IsFullScreen;
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DebugPtrAssert( Request);
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Data = (PREQUEST_DATA_CON_ROWCOL)&(((PCON_REQUEST)Request)->Data.RowCol);
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if ( !Screen.Initialize() ) {
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DisplayMessageAndExit( MODE_ERROR_NO_MEMORY, NULL, (ULONG)EXIT_ERROR );
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}
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if ( !Data->SetCol || !Data->SetLines ) {
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//
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// Since we don't have both values, take the current ones.
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//
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Screen.QueryScreenSize( &Rows, &Cols );
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}
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//
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// Set the number of rows and columns
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//
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if ( Data->SetCol ) {
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Cols = (USHORT)Data->Col;
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}
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if ( Data->SetLines ) {
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Rows = (USHORT)Data->Lines;
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}
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if ( !Screen.ChangeScreenSize( Rows, Cols, &IsFullScreen ) ) {
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//
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// Cannot change the screen size
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//
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if ( IsFullScreen ) {
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DisplayMessageAndExit( MODE_ERROR_FULL_SCREEN, NULL, (ULONG)EXIT_ERROR );
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} else {
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DisplayMessageAndExit( MODE_ERROR_INVALID_SCREEN_SIZE, NULL, (ULONG)EXIT_ERROR );
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}
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}
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return TRUE;
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}
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BOOLEAN
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ConSetTypematic(
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IN PREQUEST_HEADER Request
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)
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/*++
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Routine Description:
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Sets thje typematic rate
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Arguments:
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DevicePath - Supplies pointer to path of device
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Request - Supplies pointer to request
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Return Value:
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BOOLEAN - TRUE if typematic rate set successfully,
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FALSE otherwise
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Notes:
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--*/
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{
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PREQUEST_DATA_CON_TYPEMATIC Data;
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DebugPtrAssert( Request);
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Data = (PREQUEST_DATA_CON_TYPEMATIC)&(((PCON_REQUEST)Request)->Data.Typematic);
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if ( Data->SetRate ) {
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if (!SystemParametersInfo( SPI_SETKEYBOARDSPEED, (UINT)Data->Rate, NULL, SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE )) {
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DisplayMessageAndExit( MODE_ERROR_INVALID_RATE, NULL, (ULONG)EXIT_ERROR);
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}
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}
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if ( Data->SetDelay ) {
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if (!SystemParametersInfo( SPI_SETKEYBOARDDELAY, (UINT)Data->Delay, NULL, SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE )) {
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DisplayMessageAndExit( MODE_ERROR_INVALID_DELAY, NULL, (ULONG)EXIT_ERROR);
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}
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}
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return TRUE;
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}
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