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/* fbkeyboard.c: routines for dealing with the linux fbdev display
Copyright (c) 2000-2004 Philip Kendall, Matan Ziv-Av, Darren Salt
$Id: fbkeyboard.c 4109 2009-12-27 06:15:10Z fredm $
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: philip-fuse@shadowmagic.org.uk
*/
#include <config.h>
#include <stdio.h>
#include <errno.h>
#include <linux/kd.h>
#include <termios.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "display.h"
#include "fuse.h"
#include "keyboard.h"
#include "machine.h"
#include "settings.h"
#include "snapshot.h"
#include "spectrum.h"
#include "tape.h"
#include "ui/ui.h"
#include "input.h"
static struct termios old_ts;
static int old_kbmode = K_XLATE;
static int got_old_ts = 0;
int fbkeyboard_init(void)
{
struct termios ts;
struct stat st;
int i = 1;
/* First, set up the keyboard */
if( fstat( STDIN_FILENO, &st ) ) {
fprintf( stderr, "%s: couldn't stat stdin: %s\n", fuse_progname,
strerror( errno ) );
return 1;
}
/* check for character special, major 4, minor 0..63 */
if( !isatty(STDIN_FILENO) || !S_ISCHR(st.st_mode) ||
( st.st_rdev & ~63 ) != 0x0400 ) {
fprintf( stderr, "%s: stdin isn't a local tty\n", fuse_progname );
return 1;
}
tcgetattr( STDIN_FILENO, &old_ts );
ioctl( STDIN_FILENO, KDGKBMODE, &old_kbmode );
got_old_ts = 1;
/* We need non-blocking semi-cooked keyboard input */
if( ioctl( STDIN_FILENO, FIONBIO, &i ) ) {
fprintf( stderr, "%s: can't set stdin nonblocking: %s\n", fuse_progname,
strerror( errno ) );
return 1;
}
if( ioctl( STDIN_FILENO, KDSKBMODE, K_MEDIUMRAW ) ) {
fprintf( stderr, "%s: can't set keyboard into medium-raw mode: %s\n",
fuse_progname, strerror( errno ) );
return 1;
}
/* Add in a bit of voodoo... */
ts = old_ts;
ts.c_cc[VTIME] = 0;
ts.c_cc[VMIN] = 1;
ts.c_lflag &= ~(ICANON | ECHO | ISIG);
ts.c_iflag = 0;
tcsetattr( STDIN_FILENO, TCSAFLUSH, &ts );
tcsetpgrp( STDIN_FILENO, getpgrp() );
return 0;
}
int fbkeyboard_end(void)
{
int i = 0;
ioctl( STDIN_FILENO, FIONBIO, &i );
if( got_old_ts ) {
tcsetattr( STDIN_FILENO, TCSAFLUSH, &old_ts );
ioctl( STDIN_FILENO, KDSKBMODE, old_kbmode );
}
return 0;
}
void
keyboard_update( void )
{
unsigned char keybuf[64];
static int ignore = 0;
while( 1 ) {
ssize_t available, i;
available = read( STDIN_FILENO, &keybuf, sizeof( keybuf ) );
if( available <= 0 ) return;
for( i = 0; i < available; i++ )
if( ignore ) {
ignore--;
} else if( ( keybuf[i] & 0x7f ) == 0 ) {
ignore = 2; /* ignore extended keysyms */
} else {
input_key fuse_keysym;
input_event_t fuse_event;
fuse_keysym = keysyms_remap( keybuf[i] & 0x7f );
if( fuse_keysym == INPUT_KEY_NONE ) continue;
fuse_event.type = ( keybuf[i] & 0x80 ) ?
INPUT_EVENT_KEYRELEASE :
INPUT_EVENT_KEYPRESS;
fuse_event.types.key.native_key = fuse_keysym;
fuse_event.types.key.spectrum_key = fuse_keysym;
input_event( &fuse_event );
}
}
}
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