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/*
* Id: kloadmap.c,v 1.1 1999/11/02 03:54:46 keithp Exp $
*
* Copyright 1999 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $XFree86: xc/programs/Xserver/hw/kdrive/kloadmap.c,v 1.2 2000/02/23 20:29:54 dawes Exp $ */
#include "kdrive.h"
#include "kkeymap.h"
#ifdef WINDOWS
#define KM_BUF 1024
#define KM_EOF -1
typedef struct _km_file {
HANDLE handle;
char buf[KM_BUF];
char *bufptr;
DWORD remain;
} km_file;
int
km_fill (km_file *kf)
{
BOOL r;
NCD_DEBUG ((DEBUG_INIT, "km_fill"));
r = ReadFile (kf->handle, kf->buf, KM_BUF,
&kf->remain, NULL);
NCD_DEBUG ((DEBUG_INIT, "Got %d", kf->remain));
if (!r || !kf->remain)
return KM_EOF;
kf->bufptr = kf->buf;
--kf->remain;
return *kf->bufptr++;
}
#define km_getchar(kf) ((kf)->remain-- ? *kf->bufptr++ : km_fill (kf))
#else
#define km_getchar(kf) getc(kf)
#endif
BOOL
km_word (km_file *kf, char *buf, int len)
{
int c;
for (;;)
{
switch (c = km_getchar (kf)) {
case KM_EOF:
return FALSE;
case ' ':
case '\t':
case '\n':
case '\r':
continue;
}
break;
}
len--;
while (len--)
{
*buf++ = c;
switch (c = km_getchar (kf)) {
case KM_EOF:
case ' ':
case '\t':
case '\n':
case '\r':
*buf++ = '\0';
return TRUE;
}
}
return FALSE;
}
BOOL
km_int (km_file *kf, int *r)
{
char word[64];
if (km_word (kf, word, sizeof (word)))
{
*r = strtol (word, NULL, 0);
return TRUE;
}
return FALSE;
}
WCHAR *winKbdExtensions[] = {
L".xku",
L".xkb"
};
#define NUM_KBD_EXTENSIONS (sizeof (winKbdExtensions) / sizeof (winKbdExtensions[0]))
BOOL
winLoadKeymap (void)
{
WCHAR file[32 + KL_NAMELENGTH];
WCHAR name[KL_NAMELENGTH];
HKL layout;
km_file kf;
int width;
BOOL ret;
KeySym *m;
int scancode;
int w;
int e;
layout = GetKeyboardLayout (0);
/*
* Pre-build 46 versions of ThinSTAR software return 0
* for all layouts
*/
if (!layout)
return FALSE;
NCD_DEBUG ((DEBUG_INIT, "Keyboard layout 0x%x", layout));
for (e = 0; e < NUM_KBD_EXTENSIONS; e++)
{
wstrcpy (file, L"\\Storage Card\\");
wsprintf (name, TEXT("%08x"), layout);
wstrcat (file, name);
wstrcat (file, winKbdExtensions[e]);
NCD_DEBUG ((DEBUG_INIT, "Loading keymap from %S", file));
kf.handle = CreateFile (file,
GENERIC_READ,
FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (kf.handle != INVALID_HANDLE_VALUE)
break;
}
if (kf.handle == INVALID_HANDLE_VALUE)
{
NCD_DEBUG ((DEBUG_INIT, "No such file"));
return FALSE;
}
ret = FALSE;
kf.remain = 0;
/*
* Keymap format:
*
* flags (optional)
* width
* keycode -> keysym array (num_keycodes * width)
*/
if (!km_int (&kf, &width))
goto bail1;
if (width & KEYMAP_FLAGS)
{
CEKeymapFlags = (unsigned long) width;
if (!km_int (&kf, &width))
goto bail1;
}
else
CEKeymapFlags = 0;
if (width > MAX_WIDTH)
goto bail1;
NCD_DEBUG ((DEBUG_INIT, "Keymap width %d flags 0x%x",
width, CEKeymapFlags));
m = CEKeymap;
for (scancode = MIN_SCANCODE; scancode <= MAX_SCANCODE; scancode++)
{
for (w = 0; w < width; w++)
{
if (!km_int (&kf, m))
break;
m++;
}
if (w != width)
break;
}
CEKeySyms.mapWidth = width;
ret = TRUE;
bail1:
CloseHandle (kf.handle);
return ret;
}
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