int
w32_console_toggle_lock_key (int vk_code, Lisp_Object new_state)
{
int cur_state = (GetKeyState (vk_code) & 1);
if (NILP (new_state)
|| (NUMBERP (new_state)
&& ((XUINT (new_state)) & 1) != cur_state))
{
faked_key = vk_code;
keybd_event ((BYTE) vk_code,
(BYTE) MapVirtualKey (vk_code, 0),
KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
keybd_event ((BYTE) vk_code,
(BYTE) MapVirtualKey (vk_code, 0),
KEYEVENTF_EXTENDEDKEY | 0, 0);
keybd_event ((BYTE) vk_code,
(BYTE) MapVirtualKey (vk_code, 0),
KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
cur_state = !cur_state;
}
return cur_state;
}
/* return code -1 means that event_queue_ptr won't be incremented.
In other word, this event makes two key codes. (by himi) */
static int
key_event (KEY_EVENT_RECORD *event, struct input_event *emacs_ev, int *isdead)
{
static int mod_key_state = 0;
int wParam;
*isdead = 0;
/* Skip key-up events. */
if (!event->bKeyDown)
{
switch (event->wVirtualKeyCode)
{
case VK_LWIN:
mod_key_state &= ~LEFT_WIN_PRESSED;
break;
case VK_RWIN:
mod_key_state &= ~RIGHT_WIN_PRESSED;
break;
case VK_APPS:
mod_key_state &= ~APPS_PRESSED;
break;
}
return 0;
}
/* Ignore keystrokes we fake ourself; see below. */
if (faked_key == event->wVirtualKeyCode)
{
faked_key = 0;
return 0;
}
/* To make it easier to debug this code, ignore modifier keys! */
switch (event->wVirtualKeyCode)
{
case VK_LWIN:
if (NILP (Vw32_pass_lwindow_to_system))
{
/* Prevent system from acting on keyup (which opens the Start
menu if no other key was pressed) by simulating a press of
Space which we will ignore. */
if ((mod_key_state & LEFT_WIN_PRESSED) == 0)
{
if (NUMBERP (Vw32_phantom_key_code))
faked_key = XUINT (Vw32_phantom_key_code) & 255;
else
faked_key = VK_SPACE;
keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0);
}
}
mod_key_state |= LEFT_WIN_PRESSED;
if (!NILP (Vw32_lwindow_modifier))
return 0;
break;
case VK_RWIN:
if (NILP (Vw32_pass_rwindow_to_system))
{
if ((mod_key_state & RIGHT_WIN_PRESSED) == 0)
{
if (NUMBERP (Vw32_phantom_key_code))
faked_key = XUINT (Vw32_phantom_key_code) & 255;
else
faked_key = VK_SPACE;
keybd_event (faked_key, (BYTE) MapVirtualKey (faked_key, 0), 0, 0);
}
}
mod_key_state |= RIGHT_WIN_PRESSED;
if (!NILP (Vw32_rwindow_modifier))
return 0;
break;
case VK_APPS:
mod_key_state |= APPS_PRESSED;
if (!NILP (Vw32_apps_modifier))
return 0;
break;
case VK_CAPITAL:
/* Decide whether to treat as modifier or function key. */
if (NILP (Vw32_enable_caps_lock))
goto disable_lock_key;
return 0;
case VK_NUMLOCK:
/* Decide whether to treat as modifier or function key. */
if (NILP (Vw32_enable_num_lock))
goto disable_lock_key;
return 0;
case VK_SCROLL:
/* Decide whether to treat as modifier or function key. */
if (NILP (Vw32_scroll_lock_modifier))
goto disable_lock_key;
return 0;
disable_lock_key:
/* Ensure the appropriate lock key state is off (and the
indicator light as well). */
wParam = event->wVirtualKeyCode;
if (GetAsyncKeyState (wParam) & 0x8000)
{
/* Fake another press of the relevant key. Apparently, this
really is the only way to turn off the indicator. */
faked_key = wParam;
keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
KEYEVENTF_EXTENDEDKEY | 0, 0);
keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
}
break;
case VK_MENU:
case VK_CONTROL:
case VK_SHIFT:
return 0;
case VK_CANCEL:
/* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL,
which is confusing for purposes of key binding; convert
VK_CANCEL events into VK_PAUSE events. */
event->wVirtualKeyCode = VK_PAUSE;
break;
case VK_PAUSE:
/* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing
for purposes of key binding; convert these back into
VK_NUMLOCK events, at least when we want to see NumLock key
presses. (Note that there is never any possibility that
VK_PAUSE with Ctrl really is C-Pause as per above.) */
if (NILP (Vw32_enable_num_lock)
&& (event->dwControlKeyState
& (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)) != 0)
event->wVirtualKeyCode = VK_NUMLOCK;
break;
}
/* Recognize state of Windows and Apps keys. */
event->dwControlKeyState |= mod_key_state;
/* Distinguish numeric keypad keys from extended keys. */
event->wVirtualKeyCode =
map_keypad_keys (event->wVirtualKeyCode,
(event->dwControlKeyState & ENHANCED_KEY));
if (lispy_function_keys[event->wVirtualKeyCode] == 0)
{
if (!NILP (Vw32_recognize_altgr)
&& (event->dwControlKeyState & LEFT_CTRL_PRESSED)
&& (event->dwControlKeyState & RIGHT_ALT_PRESSED))
{
/* Don't try to interpret AltGr key chords; ToAscii seems not
to process them correctly. */
}
/* Handle key chords including any modifiers other than shift
directly, in order to preserve as much modifier information as
possible. */
else if (event->dwControlKeyState
& ( RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED
| RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED
| (!NILP (Vw32_lwindow_modifier) ? LEFT_WIN_PRESSED : 0)
| (!NILP (Vw32_rwindow_modifier) ? RIGHT_WIN_PRESSED : 0)
| (!NILP (Vw32_apps_modifier) ? APPS_PRESSED : 0)
| (!NILP (Vw32_scroll_lock_modifier) ? SCROLLLOCK_ON : 0)))
{
/* Don't translate modified alphabetic keystrokes, so the user
doesn't need to constantly switch layout to type control or
meta keystrokes when the normal layout translates
alphabetic characters to non-ascii characters. */
if ('A' <= event->wVirtualKeyCode && event->wVirtualKeyCode <= 'Z')
{
event->uChar.AsciiChar = event->wVirtualKeyCode;
if ((event->dwControlKeyState & SHIFT_PRESSED) == 0)
event->uChar.AsciiChar += ('a' - 'A');
}
/* Try to handle unrecognized keystrokes by determining the
base character (ie. translating the base key plus shift
modifier). */
else if (event->uChar.AsciiChar == 0)
w32_kbd_patch_key (event, -1);
}
if (event->uChar.AsciiChar == 0)
{
emacs_ev->kind = NO_EVENT;
return 0;
}
else if (event->uChar.AsciiChar > 0)
{
/* Pure ASCII characters < 128. */
emacs_ev->kind = ASCII_KEYSTROKE_EVENT;
emacs_ev->code = event->uChar.AsciiChar;
}
else if (event->uChar.UnicodeChar > 0
&& w32_console_unicode_input)
{
/* Unicode codepoint; only valid if we are using Unicode
console input mode. */
emacs_ev->kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT;
emacs_ev->code = event->uChar.UnicodeChar;
}
else
{
/* Fallback handling of non-ASCII characters for non-Unicode
versions of Windows, and for non-Unicode input on NT
family of Windows. Only characters in the current
console codepage are supported by this fallback. */
wchar_t code;
char dbcs[2];
int cpId;
/* Get the current console input codepage to interpret this
key with. Note that the system defaults for the OEM
codepage could have been changed by calling SetConsoleCP
or w32-set-console-codepage, so using GetLocaleInfo to
get LOCALE_IDEFAULTCODEPAGE is not TRT here. */
cpId = GetConsoleCP ();
dbcs[0] = dbcs_lead;
dbcs[1] = event->uChar.AsciiChar;
if (dbcs_lead)
{
dbcs_lead = 0;
if (!MultiByteToWideChar (cpId, 0, dbcs, 2, &code, 1))
{
/* Garbage */
DebPrint (("Invalid DBCS sequence: %d %d\n",
dbcs[0], dbcs[1]));
emacs_ev->kind = NO_EVENT;
}
}
else if (IsDBCSLeadByteEx (cpId, dbcs[1]))
{
dbcs_lead = dbcs[1];
emacs_ev->kind = NO_EVENT;
}
else
{
if (!MultiByteToWideChar (cpId, 0, &dbcs[1], 1, &code, 1))
{
/* Garbage */
DebPrint (("Invalid character: %d\n", dbcs[1]));
emacs_ev->kind = NO_EVENT;
}
}
emacs_ev->kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT;
emacs_ev->code = code;
}
}
else
{
/* Function keys and other non-character keys. */
emacs_ev->kind = NON_ASCII_KEYSTROKE_EVENT;
emacs_ev->code = event->wVirtualKeyCode;
}
XSETFRAME (emacs_ev->frame_or_window, get_frame ());
emacs_ev->modifiers = w32_kbd_mods_to_emacs (event->dwControlKeyState,
event->wVirtualKeyCode);
emacs_ev->timestamp = GetTickCount ();
return 1;
}
