efl/legacy/ecore/src/lib/ecore_x/xcb/ecore_xcb_keymap.c

492 lines
13 KiB
C

#include "ecore_xcb_private.h"
#define NEED_KEYSYM_TABLE
#define NEED_VTABLE
#include "ecore_xcb_keysym_table.h"
#include <xcb/xcb_keysyms.h>
#include <X11/keysym.h>
/* local function prototypes */
static int _ecore_xcb_keymap_mask_get(void *reply,
xcb_keysym_t sym);
static xcb_keysym_t _ecore_xcb_keymap_string_to_keysym(const char *str);
static int _ecore_xcb_keymap_translate_key(xcb_keycode_t keycode,
unsigned int modifiers,
unsigned int *modifiers_return,
xcb_keysym_t *keysym_return);
static int _ecore_xcb_keymap_translate_keysym(xcb_keysym_t keysym,
unsigned int modifiers,
char *buffer,
int bytes);
/* local variables */
static xcb_key_symbols_t *_ecore_xcb_keysyms;
static int _ecore_xcb_mode_switch = 0;
/* public variables */
EAPI int ECORE_X_MODIFIER_SHIFT = 0;
EAPI int ECORE_X_MODIFIER_CTRL = 0;
EAPI int ECORE_X_MODIFIER_ALT = 0;
EAPI int ECORE_X_MODIFIER_WIN = 0;
EAPI int ECORE_X_MODIFIER_ALTGR = 0;
EAPI int ECORE_X_LOCK_SCROLL = 0;
EAPI int ECORE_X_LOCK_NUM = 0;
EAPI int ECORE_X_LOCK_CAPS = 0;
EAPI int ECORE_X_LOCK_SHIFT = 0;
void
_ecore_xcb_keymap_init(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
_ecore_xcb_keysyms = xcb_key_symbols_alloc(_ecore_xcb_conn);
}
void
_ecore_xcb_keymap_finalize(void)
{
xcb_get_modifier_mapping_cookie_t cookie;
xcb_get_modifier_mapping_reply_t *reply;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
cookie = xcb_get_modifier_mapping_unchecked(_ecore_xcb_conn);
reply = xcb_get_modifier_mapping_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply)
{
xcb_key_symbols_free(_ecore_xcb_keysyms);
return;
}
_ecore_xcb_mode_switch = _ecore_xcb_keymap_mask_get(reply, XK_Mode_switch);
ECORE_X_MODIFIER_SHIFT = _ecore_xcb_keymap_mask_get(reply, XK_Shift_L);
ECORE_X_MODIFIER_CTRL = _ecore_xcb_keymap_mask_get(reply, XK_Control_L);
ECORE_X_MODIFIER_ALT = _ecore_xcb_keymap_mask_get(reply, XK_Alt_L);
if (!ECORE_X_MODIFIER_ALT)
ECORE_X_MODIFIER_ALT = _ecore_xcb_keymap_mask_get(reply, XK_Meta_L);
if (!ECORE_X_MODIFIER_ALT)
ECORE_X_MODIFIER_ALT = _ecore_xcb_keymap_mask_get(reply, XK_Super_L);
ECORE_X_MODIFIER_WIN = _ecore_xcb_keymap_mask_get(reply, XK_Super_L);
if (!ECORE_X_MODIFIER_WIN)
ECORE_X_MODIFIER_WIN = _ecore_xcb_keymap_mask_get(reply, XK_Meta_L);
ECORE_X_MODIFIER_ALTGR = _ecore_xcb_keymap_mask_get(reply, XK_Mode_switch);
if (ECORE_X_MODIFIER_WIN == ECORE_X_MODIFIER_ALT)
ECORE_X_MODIFIER_WIN = 0;
if (ECORE_X_MODIFIER_ALT == ECORE_X_MODIFIER_CTRL)
ECORE_X_MODIFIER_ALT = 0;
ECORE_X_LOCK_SCROLL = _ecore_xcb_keymap_mask_get(reply, XK_Scroll_Lock);
ECORE_X_LOCK_NUM = _ecore_xcb_keymap_mask_get(reply, XK_Num_Lock);
ECORE_X_LOCK_CAPS = _ecore_xcb_keymap_mask_get(reply, XK_Caps_Lock);
ECORE_X_LOCK_SHIFT = _ecore_xcb_keymap_mask_get(reply, XK_Shift_Lock);
}
void
_ecore_xcb_modifiers_get(void)
{
_ecore_xcb_keymap_finalize();
}
void
_ecore_xcb_keymap_shutdown(void)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (_ecore_xcb_keysyms) xcb_key_symbols_free(_ecore_xcb_keysyms);
}
void
_ecore_xcb_keymap_refresh(xcb_mapping_notify_event_t *event)
{
CHECK_XCB_CONN;
xcb_refresh_keyboard_mapping(_ecore_xcb_keysyms, event);
}
xcb_keysym_t
_ecore_xcb_keymap_keycode_to_keysym(xcb_keycode_t keycode,
int col)
{
xcb_keysym_t key0, key1;
CHECK_XCB_CONN;
if (col & _ecore_xcb_mode_switch)
{
key0 = xcb_key_symbols_get_keysym(_ecore_xcb_keysyms, keycode, 4);
key1 = xcb_key_symbols_get_keysym(_ecore_xcb_keysyms, keycode, 5);
}
else
{
key0 = xcb_key_symbols_get_keysym(_ecore_xcb_keysyms, keycode, 0);
key1 = xcb_key_symbols_get_keysym(_ecore_xcb_keysyms, keycode, 1);
}
if (key1 == XCB_NO_SYMBOL)
key1 = key0;
if ((col & ECORE_X_LOCK_NUM) &&
((xcb_is_keypad_key(key1)) || (xcb_is_private_keypad_key(key1))))
{
if ((col & XCB_MOD_MASK_SHIFT) ||
((col & XCB_MOD_MASK_LOCK) && (col & ECORE_X_LOCK_SHIFT)))
return key0;
else
return key1;
}
else if (!(col & XCB_MOD_MASK_SHIFT) && !(col & XCB_MOD_MASK_LOCK))
return key0;
else if (!(col & XCB_MOD_MASK_SHIFT) &&
(col & XCB_MOD_MASK_LOCK && (col & ECORE_X_LOCK_CAPS)))
return key1;
else if ((col & XCB_MOD_MASK_SHIFT) &&
(col & XCB_MOD_MASK_LOCK) && (col & ECORE_X_LOCK_CAPS))
return key0;
else if ((col & XCB_MOD_MASK_SHIFT) ||
(col & XCB_MOD_MASK_LOCK && (col & ECORE_X_LOCK_SHIFT)))
return key1;
return XCB_NO_SYMBOL;
}
xcb_keycode_t *
_ecore_xcb_keymap_keysym_to_keycode(xcb_keysym_t keysym)
{
CHECK_XCB_CONN;
return xcb_key_symbols_get_keycode(_ecore_xcb_keysyms, keysym);
}
char *
_ecore_xcb_keymap_keysym_to_string(xcb_keysym_t keysym)
{
int i = 0, n = 0, h = 0, idx = 0;
const unsigned char *entry;
unsigned char val1, val2, val3, val4;
CHECK_XCB_CONN;
if (!keysym) return NULL;
if (keysym == XK_VoidSymbol) keysym = 0;
if (keysym <= 0x1fffffff)
{
val1 = (keysym >> 24);
val2 = ((keysym >> 16) & 0xff);
val3 = ((keysym >> 8) & 0xff);
val4 = (keysym & 0xff);
i = keysym % VTABLESIZE;
h = i + 1;
n = VMAXHASH;
while ((idx = hashKeysym[i]))
{
entry = &_ecore_xcb_keytable[idx];
if ((entry[0] == val1) && (entry[1] == val2) &&
(entry[2] == val3) && (entry[3] == val4))
return (char *)entry + 4;
if (!--n) break;
i += h;
if (i >= VTABLESIZE) i -= VTABLESIZE;
}
}
if ((keysym >= 0x01000100) && (keysym <= 0x0110ffff))
{
xcb_keysym_t val;
char *s = NULL;
int i = 0;
val = (keysym & 0xffffff);
if (val & 0xff0000)
i = 10;
else
i = 6;
if (!(s = malloc(i))) return NULL;
i--;
s[i--] = '\0';
for (; i; i--)
{
val1 = (val & 0xf);
val >>= 4;
if (val1 < 10)
s[i] = '0' + val1;
else
s[i] = 'A' + val1 - 10;
}
s[i] = 'U';
return s;
}
return NULL;
}
xcb_keycode_t
_ecore_xcb_keymap_string_to_keycode(const char *key)
{
if (!strncmp(key, "Keycode-", 8))
return atoi(key + 8);
else
{
xcb_keysym_t keysym = XCB_NO_SYMBOL;
xcb_keycode_t *keycodes, keycode = 0;
int i = 0;
CHECK_XCB_CONN;
keysym = _ecore_xcb_keymap_string_to_keysym(key);
if (keysym == XCB_NO_SYMBOL) return XCB_NO_SYMBOL;
keycodes = _ecore_xcb_keymap_keysym_to_keycode(keysym);
if (!keycodes) return XCB_NO_SYMBOL;
while (keycodes[i] != XCB_NO_SYMBOL)
{
if (keycodes[i] != 0)
{
keycode = keycodes[i];
break;
}
i++;
}
return keycode;
}
}
int
_ecore_xcb_keymap_lookup_string(xcb_keycode_t keycode,
int state,
char *buffer,
int bytes,
xcb_keysym_t *sym)
{
unsigned int modifiers = 0;
xcb_keysym_t keysym;
CHECK_XCB_CONN;
if (!_ecore_xcb_keymap_translate_key(keycode, state, &modifiers, &keysym))
return 0;
if (sym) *sym = keysym;
return _ecore_xcb_keymap_translate_keysym(keysym, state, buffer, bytes);
}
EAPI const char *
ecore_x_keysym_string_get(int keysym)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
return _ecore_xcb_keymap_keysym_to_string(keysym);
}
EAPI int
ecore_x_keysym_keycode_get(const char *keyname)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
return _ecore_xcb_keymap_string_to_keycode(keyname);
}
/* local functions */
static int
_ecore_xcb_keymap_mask_get(void *reply,
xcb_keysym_t sym)
{
xcb_get_modifier_mapping_reply_t *rep;
xcb_keysym_t sym2;
int mask = 0;
const int masks[8] =
{
XCB_MOD_MASK_SHIFT, XCB_MOD_MASK_LOCK, XCB_MOD_MASK_CONTROL,
XCB_MOD_MASK_1, XCB_MOD_MASK_2, XCB_MOD_MASK_3, XCB_MOD_MASK_4,
XCB_MOD_MASK_5
};
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
rep = (xcb_get_modifier_mapping_reply_t *)reply;
if ((rep) && (rep->keycodes_per_modifier > 0))
{
int i = 0;
xcb_keycode_t *modmap;
modmap = xcb_get_modifier_mapping_keycodes(rep);
for (i = 0; i < (8 * rep->keycodes_per_modifier); i++)
{
int j = 0;
for (j = 0; j < 8; j++)
{
sym2 =
xcb_key_symbols_get_keysym(_ecore_xcb_keysyms,
modmap[i], j);
if (sym2 != 0) break;
}
if (sym2 == sym)
{
mask = masks[i / rep->keycodes_per_modifier];
break;
}
}
}
return mask;
}
static xcb_keysym_t
_ecore_xcb_keymap_string_to_keysym(const char *str)
{
int i = 0, n = 0, h = 0;
unsigned long sig = 0;
const char *p = NULL;
int c = 0, idx = 0;
const unsigned char *entry;
unsigned char sig1, sig2;
long unsigned int val;
p = str;
while ((c = *p++))
sig = (sig << 1) + c;
i = (sig % KTABLESIZE);
h = i + 1;
sig1 = (sig >> 8) & 0xff;
sig2 = sig & 0xff;
n = KMAXHASH;
while ((idx = hashString[i]))
{
entry = &_ecore_xcb_keytable[idx];
if ((entry[0] == sig1) && (entry[1] == sig2) &&
!strcmp(str, (char *)entry + 6))
{
val = ((entry[2] << 24) | (entry[3] << 16) |
(entry[4] << 8) | (entry[5]));
if (!val) val = 0xffffff;
return val;
}
if (!--n) break;
i += h;
if (i >= KTABLESIZE) i -= KTABLESIZE;
}
if (*str == 'U')
{
val = 0;
for (p = &str[1]; *p; p++)
{
c = *p;
if (('0' <= c) && (c <= '9'))
val = (val << 4) + c - '0';
else if (('a' <= c) && (c <= 'f'))
val = (val << 4) + c - 'a' + 10;
else if (('A' <= c) && (c <= 'F'))
val = (val << 4) + c - 'A' + 10;
else
return XCB_NO_SYMBOL;
if (val > 0x10ffff) return XCB_NO_SYMBOL;
}
if ((val < 0x20) || ((val > 0x7e) && (val < 0xa0)))
return XCB_NO_SYMBOL;
if (val < 0x100) return val;
return val | 0x01000000;
}
if ((strlen(str) > 2) && (str[0] == '0') && (str[1] == 'x'))
{
char *tmp = NULL;
val = strtoul(str, &tmp, 16);
if ((val == ULONG_MAX) || ((tmp) && (*tmp != '\0')))
return XCB_NO_SYMBOL;
else
return val;
}
if (!strncmp(str, "XF86_", 5))
{
long unsigned int ret;
char *tmp;
tmp = strdup(str);
if (!tmp) return XCB_NO_SYMBOL;
memmove(&tmp[4], &tmp[5], strlen(str) - 5 + 1);
ret = _ecore_xcb_keymap_string_to_keysym(tmp);
free(tmp);
return ret;
}
return XCB_NO_SYMBOL;
}
static int
_ecore_xcb_keymap_translate_key(xcb_keycode_t keycode,
unsigned int modifiers,
unsigned int *modifiers_return,
xcb_keysym_t *keysym_return)
{
xcb_keysym_t sym;
if (!_ecore_xcb_keysyms) return 0;
sym = _ecore_xcb_keymap_keycode_to_keysym(keycode, modifiers);
if (modifiers_return)
*modifiers_return = ((XCB_MOD_MASK_SHIFT | XCB_MOD_MASK_LOCK) |
_ecore_xcb_mode_switch | ECORE_X_LOCK_NUM);
if (keysym_return)
*keysym_return = sym;
return 1;
}
static int
_ecore_xcb_keymap_translate_keysym(xcb_keysym_t keysym,
unsigned int modifiers,
char *buffer,
int bytes)
{
unsigned long hbytes = 0;
unsigned char c;
if (!keysym) return 0;
hbytes = (keysym >> 8);
if (!(bytes &&
((hbytes == 0) ||
((hbytes == 0xFF) &&
(((keysym >= XK_BackSpace) && (keysym <= XK_Clear)) ||
(keysym == XK_Return) || (keysym == XK_Escape) ||
(keysym == XK_KP_Space) || (keysym == XK_KP_Tab) ||
(keysym == XK_KP_Enter) ||
((keysym >= XK_KP_Multiply) && (keysym <= XK_KP_9)) ||
(keysym == XK_KP_Equal) || (keysym == XK_Delete))))))
return 0;
if (keysym == XK_KP_Space)
c = (XK_space & 0x7F);
else if (hbytes == 0xFF)
c = (keysym & 0x7F);
else
c = (keysym & 0xFF);
if (modifiers & ECORE_X_MODIFIER_CTRL)
{
if (((c >= '@') && (c < '\177')) || c == ' ')
c &= 0x1F;
else if (c == '2')
c = '\000';
else if ((c >= '3') && (c <= '7'))
c -= ('3' - '\033');
else if (c == '8')
c = '\177';
else if (c == '/')
c = '_' & 0x1F;
}
buffer[0] = c;
return 1;
}