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KEyboard layout support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-19 02:57:05 +02:00
parent 2111447675
commit d90aa78482
1 changed files with 103 additions and 9 deletions
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112
commands/keylayouts.c
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@ -24,6 +24,10 @@
#include <grub/time.h>
#include <grub/dl.h>
#include <grub/at_keyboard.h>
#include <grub/keyboard_layouts.h>
#include <grub/command.h>
#include <grub/gzio.h>
#include <grub/i18n.h>
GRUB_AT_KEY_KEYBOARD_MAP (keyboard_map);
@ -73,20 +77,21 @@ get_abstract_code (grub_term_input_t term, int in)
}
}
static grub_uint32_t mapping[GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE];
static int
map (grub_term_input_t term, int in)
map (grub_term_input_t term __attribute__ ((unused)), int in)
{
/* No match with AltGr. Interpret it as Alt rather than as L3 modifier then.
*/
/* AltGr isn't supported yet. */
if (in & GRUB_TERM_ALT_GR)
return map (term, in & ~GRUB_TERM_ALT_GR) | GRUB_TERM_ALT_GR;
if (in == GRUB_TERM_KEY_102)
return '\\';
if (in == GRUB_TERM_KEY_SHIFT_102)
return '|';
in = (in & ~GRUB_TERM_ALT_GR) | GRUB_TERM_ALT_GR;
if ((in & GRUB_TERM_EXTENDED) || (in & GRUB_TERM_KEY_MASK) == '\b'
|| (in & GRUB_TERM_KEY_MASK) == '\t' || (in & GRUB_TERM_KEY_MASK) == '\e'
|| (in & GRUB_TERM_KEY_MASK) >= ARRAY_SIZE (mapping))
return in;
return mapping[in & GRUB_TERM_KEY_MASK] | (in & ~GRUB_TERM_KEY_MASK);
}
static int
@ -152,15 +157,104 @@ grub_checkkey (void)
return -1;
}
static grub_err_t
grub_cmd_keymap (struct grub_command *cmd __attribute__ ((unused)),
int argc, char *argv[])
{
char *filename;
grub_file_t file;
grub_uint32_t version;
grub_uint8_t magic[GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE];
grub_uint32_t newmapping[GRUB_KEYBOARD_LAYOUTS_ARRAY_SIZE];
unsigned i;
if (argc < 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "file or layout name required");
if (argv[0][0] != '(' && argv[0][0] != '/' && argv[0][0] != '+')
{
const char *prefix = grub_env_get ("prefix");
if (!prefix)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "No prefix set");
filename = grub_xasprintf ("%s/layouts/%s.gkb", prefix, argv[0]);
if (!filename)
return grub_errno;
}
else
filename = argv[0];
file = grub_gzfile_open (filename, 1);
if (! file)
goto fail;
if (grub_file_read (file, magic, sizeof (magic)) != sizeof (magic))
{
if (!grub_errno)
grub_error (GRUB_ERR_BAD_ARGUMENT, "file is too short");
goto fail;
}
if (grub_memcmp (magic, GRUB_KEYBOARD_LAYOUTS_FILEMAGIC,
GRUB_KEYBOARD_LAYOUTS_FILEMAGIC_SIZE) != 0)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid magic");
goto fail;
}
if (grub_file_read (file, &version, sizeof (version)) != sizeof (version))
{
if (!grub_errno)
grub_error (GRUB_ERR_BAD_ARGUMENT, "file is too short");
goto fail;
}
if (grub_le_to_cpu32 (version) != GRUB_KEYBOARD_LAYOUTS_VERSION)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid version");
goto fail;
}
if (grub_file_read (file, newmapping, sizeof (newmapping))
!= sizeof (newmapping))
{
if (!grub_errno)
grub_error (GRUB_ERR_BAD_ARGUMENT, "file is too short");
goto fail;
}
for (i = 0; i < ARRAY_SIZE (mapping); i++)
mapping[i] = grub_le_to_cpu32(newmapping[i]);
return GRUB_ERR_NONE;
fail:
if (filename != argv[0])
grub_free (filename);
if (file)
grub_file_close (file);
return grub_errno;
}
static int (*grub_getkey_saved) (void);
static grub_command_t cmd;
GRUB_MOD_INIT(keylayouts)
{
unsigned i;
for (i = 0; i < ARRAY_SIZE (mapping); i++)
mapping[i] = i;
mapping[GRUB_TERM_KEY_102] = '\\';
mapping[GRUB_TERM_KEY_SHIFT_102] = '|';
grub_getkey_saved = grub_getkey;
grub_getkey = grub_getkey_smart;
cmd = grub_register_command ("keymap", grub_cmd_keymap,
0, N_("Load a keyboard layout."));
}
GRUB_MOD_FINI(keylayouts)
{
grub_getkey = grub_getkey_saved;
grub_unregister_command (cmd);
}