wine/dlls/kernel/console.c
2002-02-27 01:34:08 +00:00

807 lines
24 KiB
C

/*
* Win32 kernel functions
*
* Copyright 1995 Martin von Loewis and Cameron Heide
* Copyright 1997 Karl Garrison
* Copyright 1998 John Richardson
* Copyright 1998 Marcus Meissner
* Copyright 2001 Eric Pouech
* Copyright 2001 Alexandre Julliard
*/
/* Reference applications:
* - IDA (interactive disassembler) full version 3.75. Works.
* - LYNX/W32. Works mostly, some keys crash it.
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include "winbase.h"
#include "winnls.h"
#include "winerror.h"
#include "wincon.h"
#include "wine/server.h"
#include "wine/exception.h"
#include "wine/unicode.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(console);
static UINT console_input_codepage;
static UINT console_output_codepage;
/* map input records to ASCII */
static void input_records_WtoA( INPUT_RECORD *buffer, int count )
{
int i;
char ch;
for (i = 0; i < count; i++)
{
if (buffer[i].EventType != KEY_EVENT) continue;
WideCharToMultiByte( GetConsoleCP(), 0,
&buffer[i].Event.KeyEvent.uChar.UnicodeChar, 1, &ch, 1, NULL, NULL );
buffer[i].Event.KeyEvent.uChar.AsciiChar = ch;
}
}
/* map input records to Unicode */
static void input_records_AtoW( INPUT_RECORD *buffer, int count )
{
int i;
WCHAR ch;
for (i = 0; i < count; i++)
{
if (buffer[i].EventType != KEY_EVENT) continue;
MultiByteToWideChar( GetConsoleCP(), 0,
&buffer[i].Event.KeyEvent.uChar.AsciiChar, 1, &ch, 1 );
buffer[i].Event.KeyEvent.uChar.UnicodeChar = ch;
}
}
/* map char infos to ASCII */
static void char_info_WtoA( CHAR_INFO *buffer, int count )
{
char ch;
while (count-- > 0)
{
WideCharToMultiByte( GetConsoleOutputCP(), 0, &buffer->Char.UnicodeChar, 1,
&ch, 1, NULL, NULL );
buffer->Char.AsciiChar = ch;
buffer++;
}
}
/* map char infos to Unicode */
static void char_info_AtoW( CHAR_INFO *buffer, int count )
{
WCHAR ch;
while (count-- > 0)
{
MultiByteToWideChar( GetConsoleOutputCP(), 0, &buffer->Char.AsciiChar, 1, &ch, 1 );
buffer->Char.UnicodeChar = ch;
buffer++;
}
}
/******************************************************************************
* GetConsoleCP [KERNEL32.@] Returns the OEM code page for the console
*
* RETURNS
* Code page code
*/
UINT WINAPI GetConsoleCP(VOID)
{
if (!console_input_codepage) console_input_codepage = GetOEMCP();
return console_input_codepage;
}
/******************************************************************************
* SetConsoleCP [KERNEL32.@]
*/
BOOL WINAPI SetConsoleCP(UINT cp)
{
if (!IsValidCodePage( cp )) return FALSE;
console_input_codepage = cp;
return TRUE;
}
/***********************************************************************
* GetConsoleOutputCP (KERNEL32.@)
*/
UINT WINAPI GetConsoleOutputCP(VOID)
{
if (!console_output_codepage) console_output_codepage = GetOEMCP();
return console_output_codepage;
}
/******************************************************************************
* SetConsoleOutputCP [KERNEL32.@] Set the output codepage used by the console
*
* PARAMS
* cp [I] code page to set
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI SetConsoleOutputCP(UINT cp)
{
if (!IsValidCodePage( cp )) return FALSE;
console_output_codepage = cp;
return TRUE;
}
/******************************************************************************
* WriteConsoleInputA [KERNEL32.@]
*/
BOOL WINAPI WriteConsoleInputA( HANDLE handle, const INPUT_RECORD *buffer,
DWORD count, LPDWORD written )
{
INPUT_RECORD *recW;
BOOL ret;
if (!(recW = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*recW) ))) return FALSE;
memcpy( recW, buffer, count*sizeof(*recW) );
input_records_AtoW( recW, count );
ret = WriteConsoleInputW( handle, recW, count, written );
HeapFree( GetProcessHeap(), 0, recW );
return ret;
}
/******************************************************************************
* WriteConsoleInputW [KERNEL32.@]
*/
BOOL WINAPI WriteConsoleInputW( HANDLE handle, const INPUT_RECORD *buffer,
DWORD count, LPDWORD written )
{
BOOL ret;
TRACE("(%d,%p,%ld,%p)\n", handle, buffer, count, written);
if (written) *written = 0;
SERVER_START_REQ( write_console_input )
{
req->handle = handle;
wine_server_add_data( req, buffer, count * sizeof(INPUT_RECORD) );
if ((ret = !wine_server_call_err( req )))
{
if (written) *written = reply->written;
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* WriteConsoleOutputA (KERNEL32.@)
*/
BOOL WINAPI WriteConsoleOutputA( HANDLE hConsoleOutput, const CHAR_INFO *lpBuffer,
COORD size, COORD coord, LPSMALL_RECT region )
{
int y;
BOOL ret;
COORD new_size, new_coord;
CHAR_INFO *ciw;
new_size.X = min( region->Right - region->Left + 1, size.X - coord.X );
new_size.Y = min( region->Bottom - region->Top + 1, size.Y - coord.Y );
if (new_size.X <= 0 || new_size.Y <= 0)
{
region->Bottom = region->Top + new_size.Y - 1;
region->Right = region->Left + new_size.X - 1;
return TRUE;
}
/* only copy the useful rectangle */
if (!(ciw = HeapAlloc( GetProcessHeap(), 0, sizeof(CHAR_INFO) * new_size.X * new_size.Y )))
return FALSE;
for (y = 0; y < new_size.Y; y++)
{
memcpy( &ciw[y * new_size.X], &lpBuffer[(y + coord.Y) * size.X + coord.X],
new_size.X * sizeof(CHAR_INFO) );
char_info_AtoW( ciw, new_size.X );
}
new_coord.X = new_coord.Y = 0;
ret = WriteConsoleOutputW( hConsoleOutput, ciw, new_size, new_coord, region );
if (ciw) HeapFree( GetProcessHeap(), 0, ciw );
return ret;
}
/***********************************************************************
* WriteConsoleOutputW (KERNEL32.@)
*/
BOOL WINAPI WriteConsoleOutputW( HANDLE hConsoleOutput, const CHAR_INFO *lpBuffer,
COORD size, COORD coord, LPSMALL_RECT region )
{
int width, height, y;
BOOL ret = TRUE;
TRACE("(%x,%p,(%d,%d),(%d,%d),(%d,%dx%d,%d)\n",
hConsoleOutput, lpBuffer, size.X, size.Y, coord.X, coord.Y,
region->Left, region->Top, region->Right, region->Bottom);
width = min( region->Right - region->Left + 1, size.X - coord.X );
height = min( region->Bottom - region->Top + 1, size.Y - coord.Y );
if (width > 0 && height > 0)
{
for (y = 0; y < height; y++)
{
SERVER_START_REQ( write_console_output )
{
req->handle = hConsoleOutput;
req->x = region->Left;
req->y = region->Top + y;
req->mode = CHAR_INFO_MODE_TEXTATTR;
req->wrap = FALSE;
wine_server_add_data( req, &lpBuffer[(y + coord.Y) * size.X + coord.X],
width * sizeof(CHAR_INFO));
if ((ret = !wine_server_call_err( req )))
{
width = min( width, reply->width - region->Left );
height = min( height, reply->height - region->Top );
}
}
SERVER_END_REQ;
if (!ret) break;
}
}
region->Bottom = region->Top + height - 1;
region->Right = region->Left + width - 1;
return ret;
}
/******************************************************************************
* WriteConsoleOutputCharacterA [KERNEL32.@] Copies character to consecutive
* cells in the console screen buffer
*
* PARAMS
* hConsoleOutput [I] Handle to screen buffer
* str [I] Pointer to buffer with chars to write
* length [I] Number of cells to write to
* coord [I] Coords of first cell
* lpNumCharsWritten [O] Pointer to number of cells written
*/
BOOL WINAPI WriteConsoleOutputCharacterA( HANDLE hConsoleOutput, LPCSTR str, DWORD length,
COORD coord, LPDWORD lpNumCharsWritten )
{
BOOL ret;
LPWSTR strW;
DWORD lenW;
TRACE("(%d,%s,%ld,%dx%d,%p)\n", hConsoleOutput,
debugstr_an(str, length), length, coord.X, coord.Y, lpNumCharsWritten);
lenW = MultiByteToWideChar( GetConsoleOutputCP(), 0, str, length, NULL, 0 );
if (lpNumCharsWritten) *lpNumCharsWritten = 0;
if (!(strW = HeapAlloc( GetProcessHeap(), 0, lenW * sizeof(WCHAR) ))) return FALSE;
MultiByteToWideChar( GetConsoleOutputCP(), 0, str, length, strW, lenW );
ret = WriteConsoleOutputCharacterW( hConsoleOutput, strW, lenW, coord, lpNumCharsWritten );
HeapFree( GetProcessHeap(), 0, strW );
return ret;
}
/******************************************************************************
* WriteConsoleOutputAttribute [KERNEL32.@] Sets attributes for some cells in
* the console screen buffer
*
* PARAMS
* hConsoleOutput [I] Handle to screen buffer
* attr [I] Pointer to buffer with write attributes
* length [I] Number of cells to write to
* coord [I] Coords of first cell
* lpNumAttrsWritten [O] Pointer to number of cells written
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
*/
BOOL WINAPI WriteConsoleOutputAttribute( HANDLE hConsoleOutput, CONST WORD *attr, DWORD length,
COORD coord, LPDWORD lpNumAttrsWritten )
{
BOOL ret;
TRACE("(%d,%p,%ld,%dx%d,%p)\n", hConsoleOutput,attr,length,coord.X,coord.Y,lpNumAttrsWritten);
SERVER_START_REQ( write_console_output )
{
req->handle = hConsoleOutput;
req->x = coord.X;
req->y = coord.Y;
req->mode = CHAR_INFO_MODE_ATTR;
req->wrap = TRUE;
wine_server_add_data( req, attr, length * sizeof(WORD) );
if ((ret = !wine_server_call_err( req )))
{
if (lpNumAttrsWritten) *lpNumAttrsWritten = reply->written;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* FillConsoleOutputCharacterA [KERNEL32.@]
*
* PARAMS
* hConsoleOutput [I] Handle to screen buffer
* ch [I] Character to write
* length [I] Number of cells to write to
* coord [I] Coords of first cell
* lpNumCharsWritten [O] Pointer to number of cells written
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI FillConsoleOutputCharacterA( HANDLE hConsoleOutput, CHAR ch, DWORD length,
COORD coord, LPDWORD lpNumCharsWritten )
{
WCHAR wch;
MultiByteToWideChar( GetConsoleOutputCP(), 0, &ch, 1, &wch, 1 );
return FillConsoleOutputCharacterW(hConsoleOutput, wch, length, coord, lpNumCharsWritten);
}
/******************************************************************************
* FillConsoleOutputCharacterW [KERNEL32.@] Writes characters to console
*
* PARAMS
* hConsoleOutput [I] Handle to screen buffer
* ch [I] Character to write
* length [I] Number of cells to write to
* coord [I] Coords of first cell
* lpNumCharsWritten [O] Pointer to number of cells written
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI FillConsoleOutputCharacterW( HANDLE hConsoleOutput, WCHAR ch, DWORD length,
COORD coord, LPDWORD lpNumCharsWritten)
{
BOOL ret;
TRACE("(%d,%s,%ld,(%dx%d),%p)\n",
hConsoleOutput, debugstr_wn(&ch, 1), length, coord.X, coord.Y, lpNumCharsWritten);
SERVER_START_REQ( fill_console_output )
{
req->handle = hConsoleOutput;
req->x = coord.X;
req->y = coord.Y;
req->mode = CHAR_INFO_MODE_TEXT;
req->wrap = TRUE;
req->data.ch = ch;
req->count = length;
if ((ret = !wine_server_call_err( req )))
{
if (lpNumCharsWritten) *lpNumCharsWritten = reply->written;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* FillConsoleOutputAttribute [KERNEL32.@] Sets attributes for console
*
* PARAMS
* hConsoleOutput [I] Handle to screen buffer
* attr [I] Color attribute to write
* length [I] Number of cells to write to
* coord [I] Coords of first cell
* lpNumAttrsWritten [O] Pointer to number of cells written
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI FillConsoleOutputAttribute( HANDLE hConsoleOutput, WORD attr, DWORD length,
COORD coord, LPDWORD lpNumAttrsWritten )
{
BOOL ret;
TRACE("(%d,%d,%ld,(%dx%d),%p)\n",
hConsoleOutput, attr, length, coord.X, coord.Y, lpNumAttrsWritten);
SERVER_START_REQ( fill_console_output )
{
req->handle = hConsoleOutput;
req->x = coord.X;
req->y = coord.Y;
req->mode = CHAR_INFO_MODE_ATTR;
req->wrap = TRUE;
req->data.attr = attr;
req->count = length;
if ((ret = !wine_server_call_err( req )))
{
if (lpNumAttrsWritten) *lpNumAttrsWritten = reply->written;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* ReadConsoleOutputCharacterA [KERNEL32.@]
*
*/
BOOL WINAPI ReadConsoleOutputCharacterA(HANDLE hConsoleOutput, LPSTR lpstr, DWORD count,
COORD coord, LPDWORD read_count)
{
DWORD read;
BOOL ret;
LPWSTR wptr = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR));
if (read_count) *read_count = 0;
if (!wptr) return FALSE;
if ((ret = ReadConsoleOutputCharacterW( hConsoleOutput, wptr, count, coord, &read )))
{
read = WideCharToMultiByte( GetConsoleOutputCP(), 0, wptr, read, lpstr, count, NULL, NULL);
if (read_count) *read_count = read;
}
HeapFree( GetProcessHeap(), 0, wptr );
return ret;
}
/******************************************************************************
* ReadConsoleOutputCharacterW [KERNEL32.@]
*
*/
BOOL WINAPI ReadConsoleOutputCharacterW( HANDLE hConsoleOutput, LPWSTR buffer, DWORD count,
COORD coord, LPDWORD read_count )
{
BOOL ret;
TRACE( "(%d,%p,%ld,%dx%d,%p)\n", hConsoleOutput, buffer, count, coord.X, coord.Y, read_count );
SERVER_START_REQ( read_console_output )
{
req->handle = hConsoleOutput;
req->x = coord.X;
req->y = coord.Y;
req->mode = CHAR_INFO_MODE_TEXT;
req->wrap = TRUE;
wine_server_set_reply( req, buffer, count * sizeof(WCHAR) );
if ((ret = !wine_server_call_err( req )))
{
if (read_count) *read_count = wine_server_reply_size(reply) / sizeof(WCHAR);
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* ReadConsoleOutputAttribute [KERNEL32.@]
*/
BOOL WINAPI ReadConsoleOutputAttribute(HANDLE hConsoleOutput, LPWORD lpAttribute, DWORD length,
COORD coord, LPDWORD read_count)
{
BOOL ret;
TRACE("(%d,%p,%ld,%dx%d,%p)\n",
hConsoleOutput, lpAttribute, length, coord.X, coord.Y, read_count);
SERVER_START_REQ( read_console_output )
{
req->handle = hConsoleOutput;
req->x = coord.X;
req->y = coord.Y;
req->mode = CHAR_INFO_MODE_ATTR;
req->wrap = TRUE;
wine_server_set_reply( req, lpAttribute, length * sizeof(WORD) );
if ((ret = !wine_server_call_err( req )))
{
if (read_count) *read_count = wine_server_reply_size(reply) / sizeof(WORD);
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* ReadConsoleOutputA [KERNEL32.@]
*
*/
BOOL WINAPI ReadConsoleOutputA( HANDLE hConsoleOutput, LPCHAR_INFO lpBuffer, COORD size,
COORD coord, LPSMALL_RECT region )
{
BOOL ret;
int y;
ret = ReadConsoleOutputW( hConsoleOutput, lpBuffer, size, coord, region );
if (ret && region->Right >= region->Left)
{
for (y = 0; y <= region->Bottom - region->Top; y++)
{
char_info_WtoA( &lpBuffer[(coord.Y + y) * size.X + coord.X],
region->Right - region->Left + 1 );
}
}
return ret;
}
/******************************************************************************
* ReadConsoleOutputW [KERNEL32.@]
*
* NOTE: The NT4 (sp5) kernel crashes on me if size is (0,0). I don't
* think we need to be *that* compatible. -- AJ
*/
BOOL WINAPI ReadConsoleOutputW( HANDLE hConsoleOutput, LPCHAR_INFO lpBuffer, COORD size,
COORD coord, LPSMALL_RECT region )
{
int width, height, y;
BOOL ret = TRUE;
width = min( region->Right - region->Left + 1, size.X - coord.X );
height = min( region->Bottom - region->Top + 1, size.Y - coord.Y );
if (width > 0 && height > 0)
{
for (y = 0; y < height; y++)
{
SERVER_START_REQ( read_console_output )
{
req->handle = hConsoleOutput;
req->x = region->Left;
req->y = region->Top + y;
req->mode = CHAR_INFO_MODE_TEXTATTR;
req->wrap = FALSE;
wine_server_set_reply( req, &lpBuffer[(y+coord.Y) * size.X + coord.X],
width * sizeof(CHAR_INFO) );
if ((ret = !wine_server_call_err( req )))
{
width = min( width, reply->width - region->Left );
height = min( height, reply->height - region->Top );
}
}
SERVER_END_REQ;
if (!ret) break;
}
}
region->Bottom = region->Top + height - 1;
region->Right = region->Left + width - 1;
return ret;
}
/******************************************************************************
* ReadConsoleInputA [KERNEL32.@] Reads data from a console
*
* PARAMS
* handle [I] Handle to console input buffer
* buffer [O] Address of buffer for read data
* count [I] Number of records to read
* pRead [O] Address of number of records read
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI ReadConsoleInputA( HANDLE handle, LPINPUT_RECORD buffer, DWORD count, LPDWORD pRead )
{
DWORD read;
if (!ReadConsoleInputW( handle, buffer, count, &read )) return FALSE;
input_records_WtoA( buffer, read );
if (pRead) *pRead = read;
return TRUE;
}
/***********************************************************************
* PeekConsoleInputA (KERNEL32.@)
*
* Gets 'count' first events (or less) from input queue.
*/
BOOL WINAPI PeekConsoleInputA( HANDLE handle, LPINPUT_RECORD buffer, DWORD count, LPDWORD pRead )
{
DWORD read;
if (!PeekConsoleInputW( handle, buffer, count, &read )) return FALSE;
input_records_WtoA( buffer, read );
if (pRead) *pRead = read;
return TRUE;
}
/***********************************************************************
* PeekConsoleInputW (KERNEL32.@)
*/
BOOL WINAPI PeekConsoleInputW( HANDLE handle, LPINPUT_RECORD buffer, DWORD count, LPDWORD read )
{
BOOL ret;
SERVER_START_REQ( read_console_input )
{
req->handle = handle;
req->flush = FALSE;
wine_server_set_reply( req, buffer, count * sizeof(INPUT_RECORD) );
if ((ret = !wine_server_call_err( req )))
{
if (read) *read = count ? reply->read : 0;
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* GetNumberOfConsoleInputEvents (KERNEL32.@)
*/
BOOL WINAPI GetNumberOfConsoleInputEvents( HANDLE handle, LPDWORD nrofevents )
{
BOOL ret;
SERVER_START_REQ( read_console_input )
{
req->handle = handle;
req->flush = FALSE;
if ((ret = !wine_server_call_err( req )))
{
if (nrofevents) *nrofevents = reply->read;
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* FlushConsoleInputBuffer (KERNEL32.@)
*/
BOOL WINAPI FlushConsoleInputBuffer( HANDLE handle )
{
BOOL ret;
SERVER_START_REQ( read_console_input )
{
req->handle = handle;
req->flush = TRUE;
ret = !wine_server_call_err( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* SetConsoleTitleA (KERNEL32.@)
*/
BOOL WINAPI SetConsoleTitleA( LPCSTR title )
{
LPWSTR titleW;
BOOL ret;
DWORD len = MultiByteToWideChar( GetConsoleOutputCP(), 0, title, -1, NULL, 0 );
if (!(titleW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR)))) return FALSE;
MultiByteToWideChar( GetConsoleOutputCP(), 0, title, -1, titleW, len );
ret = SetConsoleTitleW(titleW);
HeapFree(GetProcessHeap(), 0, titleW);
return ret;
}
/***********************************************************************
* GetConsoleTitleA (KERNEL32.@)
*/
DWORD WINAPI GetConsoleTitleA(LPSTR title, DWORD size)
{
WCHAR *ptr = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * size);
DWORD ret;
if (!ptr) return 0;
ret = GetConsoleTitleW( ptr, size );
if (ret)
{
WideCharToMultiByte( GetConsoleOutputCP(), 0, ptr, ret + 1, title, size, NULL, NULL);
ret = strlen(title);
}
return ret;
}
/******************************************************************************
* GetConsoleTitleW [KERNEL32.@] Retrieves title string for console
*
* PARAMS
* title [O] Address of buffer for title
* size [I] Size of buffer
*
* RETURNS
* Success: Length of string copied
* Failure: 0
*/
DWORD WINAPI GetConsoleTitleW(LPWSTR title, DWORD size)
{
DWORD ret = 0;
SERVER_START_REQ( get_console_input_info )
{
req->handle = 0;
wine_server_set_reply( req, title, (size-1) * sizeof(WCHAR) );
if (!wine_server_call_err( req ))
{
ret = wine_server_reply_size(reply) / sizeof(WCHAR);
title[ret] = 0;
}
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* GetLargestConsoleWindowSize (KERNEL32.@)
*
* NOTE
* This should return a COORD, but calling convention for returning
* structures is different between Windows and gcc on i386.
*
* VERSION: [i386]
*/
#ifdef __i386__
#undef GetLargestConsoleWindowSize
DWORD WINAPI GetLargestConsoleWindowSize(HANDLE hConsoleOutput)
{
COORD c;
c.X = 80;
c.Y = 24;
return *(DWORD *)&c;
}
#endif /* defined(__i386__) */
/***********************************************************************
* GetLargestConsoleWindowSize (KERNEL32.@)
*
* NOTE
* This should return a COORD, but calling convention for returning
* structures is different between Windows and gcc on i386.
*
* VERSION: [!i386]
*/
#ifndef __i386__
COORD WINAPI GetLargestConsoleWindowSize(HANDLE hConsoleOutput)
{
COORD c;
c.X = 80;
c.Y = 24;
return c;
}
#endif /* defined(__i386__) */