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/* sqUnixFBDevKeymap.c -- load a console keymap file
*
* Author: Ian Piumarta <ian.piumarta@inria.fr>
*
* Last edited: 2009-08-19 04:35:54 by piumarta on emilia-2.local
*/
/* The framebuffer display driver was donated to the Squeak community by:
*
* Weather Dimensions, Inc.
* 13271 Skislope Way, Truckee, CA 96161
* http://www.weatherdimensions.com
*
* Copyright (C) 2003 Ian Piumarta
* All Rights Reserved.
*
* This file is part of Unix Squeak.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#define kmprintf(args...)
static void kb_freeKeys(_self)
{
int column;
for (column= 0; column < MAX_NR_KEYMAPS; ++column)
if (self->keyMaps[column])
free(self->keyMaps[column]);
free(self->keyMaps);
self->keyMaps= 0;
}
static int kb_loadKeys(_self, char *mapfile)
{
char line[1024];
char *err;
int mapline= 0;
FILE *fp;
char *field;
char *end;
int column;
if (!(fp= fopen(mapfile, "r")))
{
perror(mapfile);
return 0;
}
if (!(self->keyMaps= (unsigned short **)calloc(MAX_NR_KEYMAPS, sizeof(unsigned short *))))
outOfMemory();
if (!fgets(line, sizeof(line), fp)) goto noKeyMaps;
++mapline;
kmprintf("<%s", line);
if (strncmp(line, "keymaps ", 8)) goto noKeyMaps;
kmprintf(">KEYMAPS");
field= line + 8;
for (;;)
{
int last;
column= last= strtol(field, &end, 0);
if (field == end) break;
field= end;
kmprintf(" [%d", column);
if ('-' == *field)
{
++field;
last= strtol(field, &end, 0);
if (field == end) goto badKeyMaps;
field= end;
}
kmprintf("-%d]", last);
while (column <= last)
{
kmprintf(" %d", column);
self->keyMaps[column]= (unsigned short *)calloc(NR_KEYS, sizeof(unsigned short));
if (!self->keyMaps[column]) outOfMemory();
++column;
}
if (',' == *field) ++field;
}
kmprintf("\n");
while (!feof(fp))
{
int code;
int offset;
if (!fgets(line, sizeof(line), fp)) break;
++mapline;
kmprintf("<%s", line);
if (1 != sscanf(line, "keycode %d =%n", &code, &offset)) goto noKeyCode;
kmprintf(">KEYCODE %d", code);
field= line + offset;
column= 0;
for (;;)
{
long sym= strtol(field, &end, 0);
if (field == end) break;
while ((!self->keyMaps[column]) && (column < MAX_NR_KEYMAPS))
{
kmprintf(" - ");
++column;
}
if (column > 255) goto tooManySyms;
self->keyMaps[column][code]= sym;
kmprintf(" %04lx", sym);
++column;
field= end;
}
kmprintf("\n");
}
fclose(fp);
return 1;
for (;;)
{
noKeyMaps: err= "no 'keymaps' entry"; break;
badKeyMaps: err= "bad 'keymaps' entry"; break;
noKeyCode: err= "bad 'keycode' entry"; break;
tooManySyms: err= "too many columns to fit declared table"; break;
}
fprintf(stderr, "%s:%d: %s\n", mapfile, mapline, err);
fclose(fp);
kb_freeKeys(self);
return 0;
}
static void kb_loadKernelKeyMap(_self)
{
int map;
debugf("loading kernel keymap\n");
if (!(self->keyMaps= (unsigned short **)calloc(MAX_NR_KEYMAPS, sizeof(unsigned short *))))
outOfMemory();
for (map= 0; map < MAX_NR_KEYMAPS; ++map)
{
struct kbentry kb;
int key;
kb.kb_index= 0;
kb.kb_table= map;
if (ioctl(self->fd, KDGKBENT, (unsigned long)&kb))
fatalError("KDGKBENT");
if (K_NOSUCHMAP == kb.kb_value)
continue;
if (!(self->keyMaps[map]= (unsigned short *)calloc(NR_KEYS, sizeof(unsigned short))))
outOfMemory();
for (key= 0; key < NR_KEYS; ++key)
{
kb.kb_index= key;
if (ioctl(self->fd, KDGKBENT, (unsigned long)&kb))
fatalError("KDGKBENT");
self->keyMaps[map][key]= kb.kb_value;
}
}
debugf("kernel keymap loaded\n");
}
static void kb_initKeyMap(_self, char *mapfile)
{
if (!mapfile)
kb_loadKernelKeyMap(self);
else if ((kb_loadKeys(self, mapfile)))
debugf("using keymap '%s'\n", mapfile);
else
fatal("could not load keymap '%s'\n", mapfile);
}
#undef kmprintf
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