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* fhandler_console.c (fhandler_console::read): Record the state of the SHIFT, 

CTRL and ALT keys at the time of the last keyboard input event.
(fhandler_console::ioctl): Handle requests to retrieve the keyboard modifiers
via the TIOCLINUX command.
* fhandler_tty.c (fhandler_tty_slave::read): Ditto.
* include/sys/termios.h (TIOCLINUX): New macro definition.
This commit is contained in:
Christopher Faylor 2003-09-27 02:36:50 +00:00
parent ecc28ff8db
commit 63726a5eb4
4 changed files with 54 additions and 2 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2003-09-26 Pavel Tsekov <ptsekov@gmx.net>
* fhandler_console.c (fhandler_console::read): Record the state of the
SHIFT, CTRL and ALT keys at the time of the last keyboard input event.
(fhandler_console::ioctl): Handle requests to retrieve the keyboard
modifiers via the TIOCLINUX command.
* fhandler_tty.c (fhandler_tty_slave::read): Ditto.
* include/sys/termios.h (TIOCLINUX): New macro definition.
2003-09-26 Pierre Humblet <pierre.humblet@ieee.org>
* pinfo.cc (pinfo::init): Do not give FILE_MAP_WRITE access to Everybody.

26
winsup/cygwin/fhandler_console.cc
View File

@ -294,6 +294,8 @@ fhandler_console::read (void *pv, size_t& buflen)
#define virtual_key_code (input_rec.Event.KeyEvent.wVirtualKeyCode)
#define control_key_state (input_rec.Event.KeyEvent.dwControlKeyState)
dev_state->nModifiers = 0;
#ifdef DEBUGGING
/* allow manual switching to/from raw mode via ctrl-alt-scrolllock */
if (input_rec.Event.KeyEvent.bKeyDown &&
@ -340,13 +342,25 @@ fhandler_console::read (void *pv, size_t& buflen)
&& input_rec.Event.KeyEvent.wVirtualScanCode == 0x38))
continue;
if (control_key_state & SHIFT_PRESSED)
dev_state->nModifiers |= 1;
if (control_key_state & RIGHT_ALT_PRESSED)
dev_state->nModifiers |= 2;
if (control_key_state & CTRL_PRESSED)
dev_state->nModifiers |= 4;
if (control_key_state & LEFT_ALT_PRESSED)
dev_state->nModifiers |= 8;
if (wch == 0 ||
/* arrow/function keys */
(input_rec.Event.KeyEvent.dwControlKeyState & ENHANCED_KEY))
{
toadd = get_nonascii_key (input_rec, tmp);
if (!toadd)
{
dev_state->nModifiers = 0;
continue;
}
nread = strlen (toadd);
}
else
@ -379,6 +393,7 @@ fhandler_console::read (void *pv, size_t& buflen)
tmp[1] = cyg_tolower (tmp[1]);
toadd = tmp;
nread++;
dev_state->nModifiers &= ~4;
}
}
#undef ich
@ -715,6 +730,17 @@ fhandler_console::ioctl (unsigned int cmd, void *buf)
case TIOCSWINSZ:
(void) bg_check (SIGTTOU);
return 0;
case TIOCLINUX:
if (* (int *) buf == 6)
{
* (int *) buf = dev_state->nModifiers;
return 0;
}
else
{
set_errno (EINVAL);
return -1;
}
}
return fhandler_base::ioctl (cmd, buf);

16
winsup/cygwin/fhandler_tty.cc
View File

@ -1028,6 +1028,7 @@ fhandler_tty_slave::ioctl (unsigned int cmd, void *arg)
{
case TIOCGWINSZ:
case TIOCSWINSZ:
case TIOCLINUX:
break;
case FIONBIO:
set_nonblocking (*(int *) arg);
@ -1071,6 +1072,21 @@ fhandler_tty_slave::ioctl (unsigned int cmd, void *arg)
WaitForSingleObject (ioctl_done_event, INFINITE);
}
break;
case TIOCLINUX:
int val = * (unsigned char *) arg;
if (val == 6 && ioctl_request_event && ioctl_done_event)
{
get_ttyp ()->arg.value = val;
SetEvent (ioctl_request_event);
WaitForSingleObject (ioctl_done_event, INFINITE);
* (unsigned char *) arg = get_ttyp ()->arg.value & 0xFF;
}
else
{
get_ttyp ()->ioctl_retval = -1;
set_errno (EINVAL);
}
break;
}
release_output_mutex ();

1
winsup/cygwin/include/sys/termios.h
View File

@ -330,5 +330,6 @@ struct winsize
#define TIOCGWINSZ (('T' << 8) | 1)
#define TIOCSWINSZ (('T' << 8) | 2)
#define TIOCLINUX (('T' << 8) | 3)
#endif /* _SYS_TERMIOS_H */