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Hook AT keyboard mapping

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-19 15:00:31 +02:00
parent ed19677fe3
commit e55e09628d
9 changed files with 290 additions and 173 deletions
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127
commands/keylayouts.c
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@ -28,6 +28,115 @@
#include <grub/gzio.h>
#include <grub/i18n.h>
static struct grub_keyboard_layout layout_us = {
.at = {
.keyboard_map = {
/* 0x00 */ '\0', GRUB_TERM_ESC, '1', '2', '3', '4', '5', '6',
/* 0x08 */ '7', '8', '9', '0',
/* 0x0c */ '-', '=', GRUB_TERM_BACKSPACE, GRUB_TERM_TAB,
/* 0x10 */ 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i',
/* 0x18 */ 'o', 'p', '[', ']', '\n', '\0', 'a', 's',
/* 0x20 */ 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';',
/* 0x28 */ '\'', '`', '\0', '\\', 'z', 'x', 'c', 'v',
/* 0x30 */ 'b', 'n', 'm', ',', '.', '/', '\0', '*',
/* 0x38 */ '\0', ' ', '\0', GRUB_TERM_KEY_F1,
/* 0x3c */ GRUB_TERM_KEY_F2, GRUB_TERM_KEY_F3,
/* 0x3e */ GRUB_TERM_KEY_F4, GRUB_TERM_KEY_F5,
/* 0x40 */ GRUB_TERM_KEY_F6, GRUB_TERM_KEY_F7,
/* 0x42 */ GRUB_TERM_KEY_F8, GRUB_TERM_KEY_F9,
/* 0x44 */ GRUB_TERM_KEY_F10, '\0', '\0', GRUB_TERM_KEY_HOME,
/* 0x48 */ GRUB_TERM_KEY_UP, GRUB_TERM_KEY_NPAGE, '-', GRUB_TERM_KEY_LEFT,
/* 0x4c */ GRUB_TERM_KEY_CENTER, GRUB_TERM_KEY_RIGHT,
/* 0x4e */ '+', GRUB_TERM_KEY_END,
/* 0x50 */ GRUB_TERM_KEY_DOWN, GRUB_TERM_KEY_PPAGE,
/* 0x52 */ GRUB_TERM_KEY_INSERT, GRUB_TERM_KEY_DC,
/* 0x54 */ '\0', '\0', '\\', GRUB_TERM_KEY_F11,
/* 0x58 */ GRUB_TERM_KEY_F12, '\0', '\0', '\0', '\0', '\0', '\0', '\0',
/* 0x60 */ '\0', '\0', '\0', '\0',
/* 0x64 */ '\0', GRUB_TERM_KEY_UP, GRUB_TERM_KEY_DOWN, GRUB_TERM_KEY_LEFT,
/* 0x68 */ GRUB_TERM_KEY_RIGHT
},
.keyboard_map_shift = {
'\0', '\0', '!', '@', '#', '$', '%', '^',
'&', '*', '(', ')', '_', '+', '\0', '\0',
'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I',
'O', 'P', '{', '}', '\n', '\0', 'A', 'S',
'D', 'F', 'G', 'H', 'J', 'K', 'L', ':',
'\"', '~', '\0', '|', 'Z', 'X', 'C', 'V',
'B', 'N', 'M', '<', '>', '?',
[0x56] = '|'
}
}
};
static struct grub_keyboard_layout *grub_current_layout = &layout_us;
static int
map_key_core (int code, int status, int *alt_gr_consumed)
{
*alt_gr_consumed = 0;
if (status & GRUB_TERM_STATUS_RALT)
{
if (status & (GRUB_TERM_STATUS_LSHIFT | GRUB_TERM_STATUS_RSHIFT))
{
if (grub_current_layout->at.keyboard_map_shift_l3[code])
{
*alt_gr_consumed = 1;
return grub_current_layout->at.keyboard_map_shift_l3[code];
}
else if (grub_current_layout->at.keyboard_map_shift[code])
{
*alt_gr_consumed = 1;
return grub_current_layout->at.keyboard_map_l3[code]
| GRUB_TERM_SHIFT;
}
}
else if (grub_current_layout->at.keyboard_map_shift[code])
{
*alt_gr_consumed = 1;
return grub_current_layout->at.keyboard_map_l3[code];
}
}
if (status & (GRUB_TERM_STATUS_LSHIFT | GRUB_TERM_STATUS_RSHIFT))
{
if (grub_current_layout->at.keyboard_map_shift[code])
return grub_current_layout->at.keyboard_map_shift[code];
else
return grub_current_layout->at.keyboard_map[code] | GRUB_TERM_SHIFT;
}
else
return grub_current_layout->at.keyboard_map[code];
}
unsigned
grub_term_map_key (int code, int status)
{
int alt_gr_consumed;
int key;
key = map_key_core (code, status, &alt_gr_consumed);
if (key == 0 || key == GRUB_TERM_SHIFT)
grub_dprintf ("atkeyb", "Unknown key 0x%x detected\n", code);
if (status & GRUB_TERM_STATUS_CAPS)
{
if ((key >= 'a') && (key <= 'z'))
key += 'A' - 'a';
else if ((key >= 'A') && (key <= 'Z'))
key += 'a' - 'A';
}
if ((status & GRUB_TERM_STATUS_LALT) ||
((status & GRUB_TERM_STATUS_RALT) && !alt_gr_consumed))
key |= GRUB_TERM_ALT;
if (status & (GRUB_TERM_STATUS_LCTRL | GRUB_TERM_STATUS_RCTRL))
key |= GRUB_TERM_CTRL;
return key;
}
static grub_err_t
grub_cmd_keymap (struct grub_command *cmd __attribute__ ((unused)),
int argc, char *argv[])
@ -110,6 +219,23 @@ grub_cmd_keymap (struct grub_command *cmd __attribute__ ((unused)),
newmap->at.keyboard_map_shift_l3[i]
= grub_le_to_cpu32(newmap->at.keyboard_map_shift_l3[i]);
for (i = 0; i < ARRAY_SIZE (newmap->usb.keyboard_map); i++)
newmap->usb.keyboard_map[i] = grub_le_to_cpu32(newmap->usb.keyboard_map[i]);
for (i = 0; i < ARRAY_SIZE (newmap->usb.keyboard_map_shift); i++)
newmap->usb.keyboard_map_shift[i]
= grub_le_to_cpu32(newmap->usb.keyboard_map_shift[i]);
for (i = 0; i < ARRAY_SIZE (newmap->usb.keyboard_map_l3); i++)
newmap->usb.keyboard_map_l3[i]
= grub_le_to_cpu32(newmap->usb.keyboard_map_l3[i]);
for (i = 0; i < ARRAY_SIZE (newmap->usb.keyboard_map_shift_l3); i++)
newmap->usb.keyboard_map_shift_l3[i]
= grub_le_to_cpu32(newmap->usb.keyboard_map_shift_l3[i]);
grub_current_layout = newmap;
return GRUB_ERR_NONE;
fail:
@ -131,6 +257,5 @@ GRUB_MOD_INIT(keylayouts)
GRUB_MOD_FINI(keylayouts)
{
grub_current_layout = NULL;
grub_unregister_command (cmd);
}