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