Sweden-Number/dlls/msvcrt/console.c

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/*
* msvcrt.dll console functions
*
* Copyright 2000 Jon Griffiths
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Note: init and free don't need MT locking since they are called at DLL
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* (de)attachment time, which is synchronised for us
*/
#include "msvcrt.h"
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#include "winnls.h"
#include "wincon.h"
#include "mtdll.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
/* MT */
#define LOCK_CONSOLE _lock(_CONIO_LOCK)
#define UNLOCK_CONSOLE _unlock(_CONIO_LOCK)
static HANDLE MSVCRT_console_in;
static HANDLE MSVCRT_console_out;
static int __MSVCRT_console_buffer = EOF;
static wchar_t __MSVCRT_console_buffer_w = WEOF;
/* INTERNAL: Initialise console handles, _CONIO_LOCK must be held */
static HANDLE msvcrt_input_console(void)
{
if (!MSVCRT_console_in)
{
MSVCRT_console_in = CreateFileA("CONIN$", GENERIC_WRITE|GENERIC_READ,
FILE_SHARE_WRITE|FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, NULL);
if (MSVCRT_console_in == INVALID_HANDLE_VALUE)
WARN("Input console handle initialization failed!\n");
}
return MSVCRT_console_in;
}
static HANDLE msvcrt_output_console(void)
{
if (!MSVCRT_console_out)
{
MSVCRT_console_out = CreateFileA("CONOUT$", GENERIC_WRITE, FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
if (MSVCRT_console_out == INVALID_HANDLE_VALUE)
WARN("Output console handle initialization failed!\n");
}
return MSVCRT_console_out;
}
/* INTERNAL: Free console handles */
void msvcrt_free_console(void)
{
TRACE(":Closing console handles\n");
CloseHandle(MSVCRT_console_in);
CloseHandle(MSVCRT_console_out);
}
/*********************************************************************
* _cputs (MSVCRT.@)
*/
int CDECL _cputs(const char* str)
{
DWORD count;
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int len, retval = -1;
if (!MSVCRT_CHECK_PMT(str != NULL)) return -1;
len = strlen(str);
LOCK_CONSOLE;
if (WriteConsoleA(msvcrt_output_console(), str, len, &count, NULL)
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&& count == len)
retval = 0;
UNLOCK_CONSOLE;
return retval;
}
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/*********************************************************************
* _cputws (MSVCRT.@)
*/
int CDECL _cputws(const wchar_t* str)
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{
DWORD count;
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int len, retval = -1;
if (!MSVCRT_CHECK_PMT(str != NULL)) return -1;
len = wcslen(str);
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LOCK_CONSOLE;
if (WriteConsoleW(msvcrt_output_console(), str, len, &count, NULL)
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&& count == len)
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retval = 0;
UNLOCK_CONSOLE;
return retval;
}
#define NORMAL_CHAR 0
#define ALT_CHAR 1
#define CTRL_CHAR 2
#define SHIFT_CHAR 3
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static const struct {unsigned short vk; unsigned char ch[4][2];} enh_map[] = {
{0x47, {{0xE0, 0x47}, {0x00, 0x97}, {0xE0, 0x77}, {0xE0, 0x47}}},
{0x48, {{0xE0, 0x48}, {0x00, 0x98}, {0xE0, 0x8D}, {0xE0, 0x48}}},
{0x49, {{0xE0, 0x49}, {0x00, 0x99}, {0xE0, 0x86}, {0xE0, 0x49}}},
{0x4B, {{0xE0, 0x4B}, {0x00, 0x9B}, {0xE0, 0x73}, {0xE0, 0x4B}}},
{0x4D, {{0xE0, 0x4D}, {0x00, 0x9D}, {0xE0, 0x74}, {0xE0, 0x4D}}},
{0x4F, {{0xE0, 0x4F}, {0x00, 0x9F}, {0xE0, 0x75}, {0xE0, 0x4F}}},
{0x50, {{0xE0, 0x50}, {0x00, 0xA0}, {0xE0, 0x91}, {0xE0, 0x50}}},
{0x51, {{0xE0, 0x51}, {0x00, 0xA1}, {0xE0, 0x76}, {0xE0, 0x51}}},
{0x52, {{0xE0, 0x52}, {0x00, 0xA2}, {0xE0, 0x92}, {0xE0, 0x52}}},
{0x53, {{0xE0, 0x53}, {0x00, 0xA3}, {0xE0, 0x93}, {0xE0, 0x53}}},
};
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static BOOL handle_enhanced_keys(INPUT_RECORD *ir, unsigned char *ch1, unsigned char *ch2)
{
int i;
for (i = 0; i < ARRAY_SIZE(enh_map); i++)
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{
if (ir->Event.KeyEvent.wVirtualScanCode == enh_map[i].vk)
{
unsigned idx;
if (ir->Event.KeyEvent.dwControlKeyState & (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED))
idx = ALT_CHAR;
else if (ir->Event.KeyEvent.dwControlKeyState & (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED) )
idx = CTRL_CHAR;
else if (ir->Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED)
idx = SHIFT_CHAR;
else
idx = NORMAL_CHAR;
*ch1 = enh_map[i].ch[idx][0];
*ch2 = enh_map[i].ch[idx][1];
return TRUE;
}
}
WARN("Unmapped char keyState=%lx vk=%x\n",
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ir->Event.KeyEvent.dwControlKeyState, ir->Event.KeyEvent.wVirtualScanCode);
return FALSE;
}
/*********************************************************************
* _getch_nolock (MSVCR80.@)
*/
int CDECL _getch_nolock(void)
{
int retval = EOF;
if (__MSVCRT_console_buffer != EOF)
{
retval = __MSVCRT_console_buffer;
__MSVCRT_console_buffer = EOF;
}
else
{
INPUT_RECORD ir;
DWORD count;
DWORD mode = 0;
GetConsoleMode(msvcrt_input_console(), &mode);
if(mode)
SetConsoleMode(msvcrt_input_console(), 0);
do {
if (ReadConsoleInputA(msvcrt_input_console(), &ir, 1, &count))
{
/* Only interested in ASCII chars */
if (ir.EventType == KEY_EVENT &&
ir.Event.KeyEvent.bKeyDown)
{
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unsigned char ch1, ch2;
if (ir.Event.KeyEvent.uChar.AsciiChar)
{
retval = ir.Event.KeyEvent.uChar.AsciiChar;
break;
}
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if (handle_enhanced_keys(&ir, &ch1, &ch2))
{
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retval = ch1;
__MSVCRT_console_buffer = ch2;
break;
}
}
}
else
break;
} while(1);
if (mode)
SetConsoleMode(msvcrt_input_console(), mode);
}
return retval;
}
/*********************************************************************
* _getch (MSVCRT.@)
*/
int CDECL _getch(void)
{
int ret;
LOCK_CONSOLE;
ret = _getch_nolock();
UNLOCK_CONSOLE;
return ret;
}
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/*********************************************************************
* _getwch_nolock (MSVCR80.@)
*/
wchar_t CDECL _getwch_nolock(void)
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{
wchar_t retval = WEOF;
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if (__MSVCRT_console_buffer_w != WEOF)
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{
retval = __MSVCRT_console_buffer_w;
__MSVCRT_console_buffer_w = WEOF;
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}
else
{
INPUT_RECORD ir;
DWORD count;
DWORD mode = 0;
GetConsoleMode(msvcrt_input_console(), &mode);
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if(mode)
SetConsoleMode(msvcrt_input_console(), 0);
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do {
if (ReadConsoleInputW(msvcrt_input_console(), &ir, 1, &count))
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{
/* Only interested in ASCII chars */
if (ir.EventType == KEY_EVENT &&
ir.Event.KeyEvent.bKeyDown)
{
unsigned char ch1, ch2;
if (ir.Event.KeyEvent.uChar.UnicodeChar)
{
retval = ir.Event.KeyEvent.uChar.UnicodeChar;
break;
}
if (handle_enhanced_keys(&ir, &ch1, &ch2))
{
retval = ch1;
__MSVCRT_console_buffer_w = ch2;
break;
}
}
}
else
break;
} while(1);
if (mode)
SetConsoleMode(msvcrt_input_console(), mode);
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}
return retval;
}
/*********************************************************************
* _getwch (MSVCRT.@)
*/
wchar_t CDECL _getwch(void)
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{
wchar_t ret;
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LOCK_CONSOLE;
ret = _getwch_nolock();
UNLOCK_CONSOLE;
return ret;
}
/*********************************************************************
* _putch_nolock (MSVCR80.@)
*/
int CDECL _putch_nolock(int c)
{
DWORD count;
if (WriteConsoleA(msvcrt_output_console(), &c, 1, &count, NULL) && count == 1)
return c;
return EOF;
}
/*********************************************************************
* _putch (MSVCRT.@)
*/
int CDECL _putch(int c)
{
LOCK_CONSOLE;
c = _putch_nolock(c);
UNLOCK_CONSOLE;
return c;
}
/*********************************************************************
* _putwch_nolock (MSVCR80.@)
*/
wchar_t CDECL _putwch_nolock(wchar_t c)
{
DWORD count;
if (WriteConsoleW(msvcrt_output_console(), &c, 1, &count, NULL) && count==1)
return c;
return WEOF;
}
/*********************************************************************
* _putwch (MSVCRT.@)
*/
wchar_t CDECL _putwch(wchar_t c)
{
LOCK_CONSOLE;
c = _putwch_nolock(c);
UNLOCK_CONSOLE;
return c;
}
/*********************************************************************
* _getche_nolock (MSVCR80.@)
*/
int CDECL _getche_nolock(void)
{
int retval;
retval = _getch_nolock();
if (retval != EOF)
retval = _putch_nolock(retval);
return retval;
}
/*********************************************************************
* _getche (MSVCRT.@)
*/
int CDECL _getche(void)
{
int ret;
LOCK_CONSOLE;
ret = _getche_nolock();
UNLOCK_CONSOLE;
return ret;
}
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/*********************************************************************
* _getwche_nolock (MSVCR80.@)
*/
wchar_t CDECL _getwche_nolock(void)
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{
wchar_t wch;
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wch = _getch_nolock();
if (wch == WEOF)
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return wch;
return _putwch_nolock(wch);
}
/*********************************************************************
* _getwche (MSVCRT.@)
*/
wchar_t CDECL _getwche(void)
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{
wchar_t ret;
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LOCK_CONSOLE;
ret = _getwche_nolock();
UNLOCK_CONSOLE;
return ret;
}
/*********************************************************************
* _cgets (MSVCRT.@)
*/
char* CDECL _cgets(char* str)
{
char *buf = str + 2;
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DWORD got;
DWORD conmode = 0;
TRACE("(%p)\n", str);
str[1] = 0; /* Length */
LOCK_CONSOLE;
GetConsoleMode(msvcrt_input_console(), &conmode);
SetConsoleMode(msvcrt_input_console(), ENABLE_LINE_INPUT|ENABLE_ECHO_INPUT|ENABLE_PROCESSED_INPUT);
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if(ReadConsoleA(msvcrt_input_console(), buf, str[0], &got, NULL)) {
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if(buf[got-2] == '\r') {
buf[got-2] = 0;
str[1] = got-2;
}
else if(got == 1 && buf[got-1] == '\n') {
buf[0] = 0;
str[1] = 0;
}
else if(got == str[0] && buf[got-1] == '\r') {
buf[got-1] = 0;
str[1] = got-1;
}
else
str[1] = got;
}
else
buf = NULL;
SetConsoleMode(msvcrt_input_console(), conmode);
UNLOCK_CONSOLE;
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return buf;
}
/*********************************************************************
* _ungetch_nolock (MSVCRT.@)
*/
int CDECL _ungetch_nolock(int c)
{
int retval = EOF;
if (c != EOF && __MSVCRT_console_buffer == EOF)
retval = __MSVCRT_console_buffer = c;
return retval;
}
/*********************************************************************
* _ungetch (MSVCRT.@)
*/
int CDECL _ungetch(int c)
{
LOCK_CONSOLE;
c = _ungetch_nolock(c);
UNLOCK_CONSOLE;
return c;
}
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/*********************************************************************
* _ungetwch_nolock (MSVCR80.@)
*/
wchar_t CDECL _ungetwch_nolock(wchar_t c)
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{
wchar_t retval = WEOF;
if (c != WEOF && __MSVCRT_console_buffer_w == WEOF)
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retval = __MSVCRT_console_buffer_w = c;
return retval;
}
/*********************************************************************
* _ungetwch (MSVCRT.@)
*/
wchar_t CDECL _ungetwch(wchar_t c)
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{
LOCK_CONSOLE;
c = _ungetwch_nolock(c);
UNLOCK_CONSOLE;
return c;
}
/*********************************************************************
* _kbhit (MSVCRT.@)
*/
int CDECL _kbhit(void)
{
int retval = 0;
LOCK_CONSOLE;
if (__MSVCRT_console_buffer != EOF)
retval = 1;
else
{
/* FIXME: There has to be a faster way than this in Win32.. */
INPUT_RECORD *ir = NULL;
DWORD count = 0, i;
GetNumberOfConsoleInputEvents(msvcrt_input_console(), &count);
if (count && (ir = malloc(count * sizeof(INPUT_RECORD))) &&
PeekConsoleInputA(msvcrt_input_console(), ir, count, &count))
for(i = 0; i < count - 1; i++)
{
if (ir[i].EventType == KEY_EVENT &&
ir[i].Event.KeyEvent.bKeyDown &&
ir[i].Event.KeyEvent.uChar.AsciiChar)
{
retval = 1;
break;
}
}
free(ir);
}
UNLOCK_CONSOLE;
return retval;
}
static int puts_clbk_console_a(void *ctx, int len, const char *str)
{
LOCK_CONSOLE;
if(!WriteConsoleA(msvcrt_output_console(), str, len, NULL, NULL))
len = -1;
UNLOCK_CONSOLE;
return len;
}
static int puts_clbk_console_w(void *ctx, int len, const wchar_t *str)
{
LOCK_CONSOLE;
if(!WriteConsoleW(msvcrt_output_console(), str, len, NULL, NULL))
len = -1;
UNLOCK_CONSOLE;
return len;
}
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/*********************************************************************
* _vcprintf (MSVCRT.@)
*/
int CDECL _vcprintf(const char* format, va_list valist)
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{
return pf_printf_a(puts_clbk_console_a, NULL, format, NULL, 0, arg_clbk_valist, NULL, &valist);
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}
/*********************************************************************
* _cprintf (MSVCRT.@)
*/
int WINAPIV _cprintf(const char* format, ...)
{
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int retval;
va_list valist;
va_start( valist, format );
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retval = _vcprintf(format, valist);
va_end(valist);
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return retval;
}
/*********************************************************************
* _vcwprintf (MSVCRT.@)
*/
int CDECL _vcwprintf(const wchar_t* format, va_list valist)
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{
return pf_printf_w(puts_clbk_console_w, NULL, format, NULL, 0, arg_clbk_valist, NULL, &valist);
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}
/*********************************************************************
* _cwprintf (MSVCRT.@)
*/
int WINAPIV _cwprintf(const wchar_t* format, ...)
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{
int retval;
va_list valist;
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va_start( valist, format );
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retval = _vcwprintf(format, valist);
va_end(valist);
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return retval;
}
#if _MSVCR_VER>=140
/*********************************************************************
* __conio_common_vcprintf (UCRTBASE.@)
*/
int CDECL __conio_common_vcprintf(unsigned __int64 options, const char* format,
_locale_t locale, va_list valist)
{
if (options & ~UCRTBASE_PRINTF_MASK)
FIXME("options %#I64x not handled\n", options);
return pf_printf_a(puts_clbk_console_a, NULL, format, locale,
options & UCRTBASE_PRINTF_MASK, arg_clbk_valist, NULL, &valist);
}
/*********************************************************************
* __conio_common_vcwprintf (UCRTBASE.@)
*/
int CDECL __conio_common_vcwprintf(unsigned __int64 options, const wchar_t* format,
_locale_t locale, va_list valist)
{
if (options & ~UCRTBASE_PRINTF_MASK)
FIXME("options %#I64x not handled\n", options);
return pf_printf_w(puts_clbk_console_w, NULL, format, locale,
options & UCRTBASE_PRINTF_MASK, arg_clbk_valist, NULL, &valist);
}
#endif /* _MSVCR_VER>=140 */