mirror of https://github.com/encounter/SDL.git
Fixed warning and code style in SDL_evdev.c
This commit is contained in:
Sam Lantinga
parent
d2c8c5094c
commit
a0d3e0d64a
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@ -110,9 +110,9 @@ static void SDL_EVDEV_sync_device(SDL_evdevlist_item *item);
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static int SDL_EVDEV_device_removed(const char *dev_path);
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#if SDL_USE_LIBUDEV
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static int SDL_EVDEV_device_added( const char *dev_path, int udev_class );
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void SDL_EVDEV_udev_callback( SDL_UDEV_deviceevent udev_type, int udev_class,
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const char *dev_path );
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static int SDL_EVDEV_device_added(const char *dev_path, int udev_class);
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void SDL_EVDEV_udev_callback(SDL_UDEV_deviceevent udev_type, int udev_class,
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const char *dev_path);
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#endif /* SDL_USE_LIBUDEV */
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static Uint8 EVDEV_MouseButtons[] = {
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@ -141,29 +141,29 @@ static const char* EVDEV_consoles[] = {
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"/dev/console"
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};
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static int SDL_EVDEV_is_console( int fd ) {
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static int SDL_EVDEV_is_console(int fd) {
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int type;
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return isatty( fd ) && ioctl( fd, KDGKBTYPE, &type ) == 0 &&
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( type == KB_101 || type == KB_84 );
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return isatty(fd) && ioctl(fd, KDGKBTYPE, &type) == 0 &&
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(type == KB_101 || type == KB_84);
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}
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/* Prevent keystrokes from reaching the tty */
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static int SDL_EVDEV_mute_keyboard( int tty_fd, int* old_kb_mode )
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static int SDL_EVDEV_mute_keyboard(int tty_fd, int* old_kb_mode)
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{
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if( !SDL_EVDEV_is_console( tty_fd ) ) {
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return SDL_SetError( "Tried to mute an invalid tty" );
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if (!SDL_EVDEV_is_console(tty_fd)) {
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return SDL_SetError("Tried to mute an invalid tty");
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}
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if( ioctl( tty_fd, KDGKBMODE, old_kb_mode ) < 0 ) {
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return SDL_SetError( "Failed to get keyboard mode during muting" );
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if (ioctl(tty_fd, KDGKBMODE, old_kb_mode) < 0) {
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return SDL_SetError("Failed to get keyboard mode during muting");
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}
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/* FIXME: atm this absolutely ruins the vt, and KDSKBMUTE isn't implemented
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in the kernel */
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/*
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if( ioctl( tty_fd, KDSKBMODE, K_OFF ) < 0 ) {
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return SDL_SetError( "Failed to set keyboard mode during muting" );
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if (ioctl(tty_fd, KDSKBMODE, K_OFF) < 0) {
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return SDL_SetError("Failed to set keyboard mode during muting");
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}
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*/
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@ -171,12 +171,12 @@ static int SDL_EVDEV_mute_keyboard( int tty_fd, int* old_kb_mode )
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}
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/* Restore the keyboard mode for given tty */
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static void SDL_EVDEV_unmute_keyboard( int tty_fd, int kb_mode )
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static void SDL_EVDEV_unmute_keyboard(int tty_fd, int kb_mode)
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{
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/* read above */
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/*
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if( ioctl( tty_fd, KDSKBMODE, kb_mode ) < 0 ) {
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SDL_Log( "Failed to unmute keyboard" );
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if (ioctl(tty_fd, KDSKBMODE, kb_mode) < 0) {
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SDL_Log("Failed to unmute keyboard");
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}
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*/
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}
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@ -188,43 +188,43 @@ static int SDL_EVDEV_get_active_tty()
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struct vt_stat vt_state;
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char path[PATH_MAX + 1];
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for( i = 0; i < SDL_arraysize( EVDEV_consoles ); i++ ) {
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fd = open( EVDEV_consoles[i], O_RDONLY );
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for(i = 0; i < SDL_arraysize(EVDEV_consoles); i++) {
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fd = open(EVDEV_consoles[i], O_RDONLY);
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if( fd < 0 && !SDL_EVDEV_is_console( fd ) )
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if (fd < 0 && !SDL_EVDEV_is_console(fd))
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break;
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tiocl = TIOCL_GETFGCONSOLE;
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if( ( ret = ioctl( fd, TIOCLINUX, &tiocl ) ) >= 0 )
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if ((ret = ioctl(fd, TIOCLINUX, &tiocl)) >= 0)
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tty = ret + 1;
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else if( ioctl( fd, VT_GETSTATE, &vt_state ) == 0 )
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else if (ioctl(fd, VT_GETSTATE, &vt_state) == 0)
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tty = vt_state.v_active;
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close( fd );
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close(fd);
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if( tty ) {
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sprintf( path, "/dev/tty%u", tty );
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fd = open( path, O_RDONLY );
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if( fd >= 0 && SDL_EVDEV_is_console( fd ) )
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if (tty) {
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sprintf(path, "/dev/tty%u", tty);
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fd = open(path, O_RDONLY);
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if (fd >= 0 && SDL_EVDEV_is_console(fd))
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return fd;
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}
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}
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return SDL_SetError( "Failed to determine active tty" );
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return SDL_SetError("Failed to determine active tty");
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}
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int
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SDL_EVDEV_Init(void)
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{
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if( _this == NULL ) {
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_this = (SDL_EVDEV_PrivateData*)SDL_calloc( 1, sizeof( *_this ) );
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if( _this == NULL ) {
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if (_this == NULL) {
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_this = (SDL_EVDEV_PrivateData*)SDL_calloc(1, sizeof(*_this));
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if (_this == NULL) {
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return SDL_OutOfMemory();
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}
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#if SDL_USE_LIBUDEV
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if( SDL_UDEV_Init() < 0 ) {
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SDL_free( _this );
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if (SDL_UDEV_Init() < 0) {
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SDL_free(_this);
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_this = NULL;
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return -1;
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}
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@ -232,7 +232,7 @@ SDL_EVDEV_Init(void)
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/* Set up the udev callback */
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if (SDL_UDEV_AddCallback(SDL_EVDEV_udev_callback) < 0) {
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SDL_UDEV_Quit();
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SDL_free( _this );
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SDL_free(_this);
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_this = NULL;
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return -1;
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}
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@ -249,7 +249,7 @@ SDL_EVDEV_Init(void)
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/* Mute the keyboard so keystrokes only generate evdev events and do not
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leak through to the console */
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SDL_EVDEV_mute_keyboard( _this->console_fd, &_this->kb_mode );
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SDL_EVDEV_mute_keyboard(_this->console_fd, &_this->kb_mode);
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}
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_this->ref_count += 1;
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@ -260,55 +260,55 @@ SDL_EVDEV_Init(void)
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void
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SDL_EVDEV_Quit(void)
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{
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if( _this == NULL ) {
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if (_this == NULL) {
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return;
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}
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_this->ref_count -= 1;
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if( _this->ref_count < 1 ) {
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if (_this->ref_count < 1) {
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#if SDL_USE_LIBUDEV
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SDL_UDEV_DelCallback( SDL_EVDEV_udev_callback );
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SDL_UDEV_DelCallback(SDL_EVDEV_udev_callback);
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SDL_UDEV_Quit();
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#endif /* SDL_USE_LIBUDEV */
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if( _this->console_fd >= 0 ) {
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SDL_EVDEV_unmute_keyboard( _this->console_fd, _this->kb_mode );
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close( _this->console_fd );
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if (_this->console_fd >= 0) {
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SDL_EVDEV_unmute_keyboard(_this->console_fd, _this->kb_mode);
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close(_this->console_fd);
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}
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/* Remove existing devices */
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while(_this->first != NULL) {
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SDL_EVDEV_device_removed( _this->first->path );
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SDL_EVDEV_device_removed(_this->first->path);
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}
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SDL_assert( _this->first == NULL );
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SDL_assert( _this->last == NULL );
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SDL_assert( _this->num_devices == 0 );
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SDL_assert(_this->first == NULL);
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SDL_assert(_this->last == NULL);
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SDL_assert(_this->num_devices == 0);
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SDL_free( _this );
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SDL_free(_this);
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_this = NULL;
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}
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}
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#if SDL_USE_LIBUDEV
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void SDL_EVDEV_udev_callback( SDL_UDEV_deviceevent udev_event, int udev_class,
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const char* dev_path )
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void SDL_EVDEV_udev_callback(SDL_UDEV_deviceevent udev_event, int udev_class,
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const char* dev_path)
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{
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if( dev_path == NULL ) {
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if (dev_path == NULL) {
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return;
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}
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switch( udev_event ) {
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switch(udev_event) {
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case SDL_UDEV_DEVICEADDED:
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if( !( udev_class & ( SDL_UDEV_DEVICE_MOUSE | SDL_UDEV_DEVICE_KEYBOARD |
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SDL_UDEV_DEVICE_TOUCHSCREEN ) ) )
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if (!(udev_class & (SDL_UDEV_DEVICE_MOUSE | SDL_UDEV_DEVICE_KEYBOARD |
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SDL_UDEV_DEVICE_TOUCHSCREEN)))
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return;
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SDL_EVDEV_device_added( dev_path, udev_class );
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SDL_EVDEV_device_added(dev_path, udev_class);
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break;
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case SDL_UDEV_DEVICEREMOVED:
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SDL_EVDEV_device_removed( dev_path );
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SDL_EVDEV_device_removed(dev_path);
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break;
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default:
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break;
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@ -319,18 +319,18 @@ void SDL_EVDEV_udev_callback( SDL_UDEV_deviceevent udev_event, int udev_class,
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#ifdef SDL_INPUT_LINUXKD
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/* this logic is pulled from kbd_keycode() in drivers/tty/vt/keyboard.c in the
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Linux kernel source */
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static void SDL_EVDEV_do_text_input( unsigned short keycode ) {
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static void SDL_EVDEV_do_text_input(unsigned short keycode) {
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char shift_state;
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int locks_state;
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struct kbentry kbe;
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unsigned char type;
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char text[2] = { 0 };
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if( _this->console_fd < 0 )
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if (_this->console_fd < 0)
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return;
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shift_state = TIOCL_GETSHIFTSTATE;
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if( ioctl( _this->console_fd, TIOCLINUX, &shift_state ) < 0 ) {
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if (ioctl(_this->console_fd, TIOCLINUX, &shift_state) < 0) {
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/* TODO: error */
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return;
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}
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@ -338,14 +338,14 @@ static void SDL_EVDEV_do_text_input( unsigned short keycode ) {
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kbe.kb_table = shift_state;
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kbe.kb_index = keycode;
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if( ioctl( _this->console_fd, KDGKBENT, &kbe ) < 0 ) {
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if (ioctl(_this->console_fd, KDGKBENT, &kbe) < 0) {
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/* TODO: error */
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return;
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}
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type = KTYP( kbe.kb_value );
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type = KTYP(kbe.kb_value);
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if( type < 0xf0 ) {
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if (type < 0xf0) {
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/*
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* FIXME: keysyms with a type below 0xf0 represent a unicode character
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* which requires special handling due to dead characters, diacritics,
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@ -365,18 +365,18 @@ static void SDL_EVDEV_do_text_input( unsigned short keycode ) {
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type -= 0xf0;
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/* if type is KT_LETTER then it can be affected by Caps Lock */
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if( type == KT_LETTER ) {
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if (type == KT_LETTER) {
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type = KT_LATIN;
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if( ioctl( _this->console_fd, KDGKBLED, &locks_state ) < 0 ) {
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if (ioctl(_this->console_fd, KDGKBLED, &locks_state) < 0) {
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/* TODO: error */
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return;
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}
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if( locks_state & K_CAPSLOCK ) {
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kbe.kb_table = shift_state ^ ( 1 << KG_SHIFT );
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if (locks_state & K_CAPSLOCK) {
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kbe.kb_table = shift_state ^ (1 << KG_SHIFT);
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if( ioctl( _this->console_fd, KDGKBENT, &kbe ) < 0 ) {
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if (ioctl(_this->console_fd, KDGKBENT, &kbe) < 0) {
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/* TODO: error */
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return;
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}
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@ -384,11 +384,11 @@ static void SDL_EVDEV_do_text_input( unsigned short keycode ) {
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}
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/* TODO: convert values >= 0x80 from ISO-8859-1? to UTF-8 */
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if( type != KT_LATIN || KVAL( kbe.kb_value ) >= 0x80 )
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if (type != KT_LATIN || KVAL(kbe.kb_value) >= 0x80)
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return;
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*text = KVAL( kbe.kb_value );
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SDL_SendKeyboardText( text );
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*text = KVAL(kbe.kb_value);
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SDL_SendKeyboardText(text);
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}
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#endif /* SDL_INPUT_LINUXKD */
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@ -419,8 +419,8 @@ SDL_EVDEV_Poll(void)
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for (i = 0; i < len; ++i) {
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/* special handling for touchscreen, that should eventually be
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used for all devices */
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if( item->out_of_sync && item->is_touchscreen &&
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events[i].type == EV_SYN && events[i].code != SYN_REPORT ) {
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if (item->out_of_sync && item->is_touchscreen &&
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events[i].type == EV_SYN && events[i].code != SYN_REPORT) {
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break;
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}
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@ -441,10 +441,10 @@ SDL_EVDEV_Poll(void)
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if (scan_code != SDL_SCANCODE_UNKNOWN) {
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if (events[i].value == 0) {
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SDL_SendKeyboardKey(SDL_RELEASED, scan_code);
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} else if( events[i].value == 1 || events[i].value == 2 /* key repeated */ ) {
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} else if (events[i].value == 1 || events[i].value == 2 /* key repeated */) {
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SDL_SendKeyboardKey(SDL_PRESSED, scan_code);
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#ifdef SDL_INPUT_LINUXKD
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SDL_EVDEV_do_text_input( events[i].code );
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SDL_EVDEV_do_text_input(events[i].code);
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#endif /* SDL_INPUT_LINUXKD */
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}
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}
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@ -452,14 +452,14 @@ SDL_EVDEV_Poll(void)
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case EV_ABS:
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switch(events[i].code) {
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case ABS_MT_SLOT:
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if( !item->is_touchscreen ) /* FIXME: temp hack */
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if (!item->is_touchscreen) /* FIXME: temp hack */
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break;
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item->touchscreen_data->current_slot = events[i].value;
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break;
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case ABS_MT_TRACKING_ID:
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if( !item->is_touchscreen ) /* FIXME: temp hack */
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if (!item->is_touchscreen) /* FIXME: temp hack */
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break;
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if( events[i].value >= 0 ) {
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if (events[i].value >= 0) {
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item->touchscreen_data->slots[item->touchscreen_data->current_slot].tracking_id = events[i].value;
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item->touchscreen_data->slots[item->touchscreen_data->current_slot].delta = EVDEV_TOUCH_SLOTDELTA_DOWN;
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} else {
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@ -467,28 +467,28 @@ SDL_EVDEV_Poll(void)
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}
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break;
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case ABS_MT_POSITION_X:
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if( !item->is_touchscreen ) /* FIXME: temp hack */
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if (!item->is_touchscreen) /* FIXME: temp hack */
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break;
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item->touchscreen_data->slots[item->touchscreen_data->current_slot].x = events[i].value;
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if( item->touchscreen_data->slots[item->touchscreen_data->current_slot].delta == EVDEV_TOUCH_SLOTDELTA_NONE ) {
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if (item->touchscreen_data->slots[item->touchscreen_data->current_slot].delta == EVDEV_TOUCH_SLOTDELTA_NONE) {
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item->touchscreen_data->slots[item->touchscreen_data->current_slot].delta = EVDEV_TOUCH_SLOTDELTA_MOVE;
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}
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break;
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case ABS_MT_POSITION_Y:
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if( !item->is_touchscreen ) /* FIXME: temp hack */
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if (!item->is_touchscreen) /* FIXME: temp hack */
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break;
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item->touchscreen_data->slots[item->touchscreen_data->current_slot].y = events[i].value;
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if( item->touchscreen_data->slots[item->touchscreen_data->current_slot].delta == EVDEV_TOUCH_SLOTDELTA_NONE ) {
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if (item->touchscreen_data->slots[item->touchscreen_data->current_slot].delta == EVDEV_TOUCH_SLOTDELTA_NONE) {
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item->touchscreen_data->slots[item->touchscreen_data->current_slot].delta = EVDEV_TOUCH_SLOTDELTA_MOVE;
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}
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break;
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case ABS_X:
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if( item->is_touchscreen ) /* FIXME: temp hack */
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if (item->is_touchscreen) /* FIXME: temp hack */
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break;
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SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, events[i].value, mouse->y);
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break;
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case ABS_Y:
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if( item->is_touchscreen ) /* FIXME: temp hack */
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if (item->is_touchscreen) /* FIXME: temp hack */
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break;
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SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, mouse->x, events[i].value);
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break;
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@ -517,27 +517,27 @@ SDL_EVDEV_Poll(void)
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case EV_SYN:
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switch (events[i].code) {
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case SYN_REPORT:
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if( !item->is_touchscreen ) /* FIXME: temp hack */
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if (!item->is_touchscreen) /* FIXME: temp hack */
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break;
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for( j = 0; j < item->touchscreen_data->max_slots; j++ ) {
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for(j = 0; j < item->touchscreen_data->max_slots; j++) {
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norm_x = (float)(item->touchscreen_data->slots[j].x - item->touchscreen_data->min_x) /
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(float)item->touchscreen_data->range_x;
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norm_y = (float)(item->touchscreen_data->slots[j].y - item->touchscreen_data->min_y) /
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(float)item->touchscreen_data->range_y;
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switch( item->touchscreen_data->slots[j].delta ) {
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switch(item->touchscreen_data->slots[j].delta) {
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case EVDEV_TOUCH_SLOTDELTA_DOWN:
|
||||
SDL_SendTouch( item->fd, item->touchscreen_data->slots[j].tracking_id, SDL_TRUE, norm_x, norm_y, 1.0f );
|
||||
SDL_SendTouch(item->fd, item->touchscreen_data->slots[j].tracking_id, SDL_TRUE, norm_x, norm_y, 1.0f);
|
||||
item->touchscreen_data->slots[j].delta = EVDEV_TOUCH_SLOTDELTA_NONE;
|
||||
break;
|
||||
case EVDEV_TOUCH_SLOTDELTA_UP:
|
||||
SDL_SendTouch( item->fd, item->touchscreen_data->slots[j].tracking_id, SDL_FALSE, norm_x, norm_y, 1.0f );
|
||||
SDL_SendTouch(item->fd, item->touchscreen_data->slots[j].tracking_id, SDL_FALSE, norm_x, norm_y, 1.0f);
|
||||
item->touchscreen_data->slots[j].tracking_id = -1;
|
||||
item->touchscreen_data->slots[j].delta = EVDEV_TOUCH_SLOTDELTA_NONE;
|
||||
break;
|
||||
case EVDEV_TOUCH_SLOTDELTA_MOVE:
|
||||
SDL_SendTouchMotion( item->fd, item->touchscreen_data->slots[j].tracking_id, norm_x, norm_y, 1.0f );
|
||||
SDL_SendTouchMotion(item->fd, item->touchscreen_data->slots[j].tracking_id, norm_x, norm_y, 1.0f);
|
||||
item->touchscreen_data->slots[j].delta = EVDEV_TOUCH_SLOTDELTA_NONE;
|
||||
break;
|
||||
default:
|
||||
|
|
@ -545,11 +545,11 @@ SDL_EVDEV_Poll(void)
|
|||
}
|
||||
}
|
||||
|
||||
if( item->out_of_sync )
|
||||
if (item->out_of_sync)
|
||||
item->out_of_sync = 0;
|
||||
break;
|
||||
case SYN_DROPPED:
|
||||
if( item->is_touchscreen )
|
||||
if (item->is_touchscreen)
|
||||
item->out_of_sync = 1;
|
||||
SDL_EVDEV_sync_device(item);
|
||||
break;
|
||||
|
|
@ -564,109 +564,112 @@ SDL_EVDEV_Poll(void)
|
|||
}
|
||||
|
||||
static SDL_Scancode
|
||||
SDL_EVDEV_translate_keycode( int keycode )
|
||||
SDL_EVDEV_translate_keycode(int keycode)
|
||||
{
|
||||
SDL_Scancode scancode = SDL_SCANCODE_UNKNOWN;
|
||||
|
||||
if( keycode < SDL_arraysize( linux_scancode_table ) )
|
||||
if (keycode < SDL_arraysize(linux_scancode_table))
|
||||
scancode = linux_scancode_table[keycode];
|
||||
|
||||
if( scancode == SDL_SCANCODE_UNKNOWN ) {
|
||||
SDL_Log( "The key you just pressed is not recognized by SDL. To help "
|
||||
if (scancode == SDL_SCANCODE_UNKNOWN) {
|
||||
SDL_Log("The key you just pressed is not recognized by SDL. To help "
|
||||
"get this fixed, please report this to the SDL mailing list "
|
||||
"<sdl@libsdl.org> EVDEV KeyCode %d\n", keycode );
|
||||
"<sdl@libsdl.org> EVDEV KeyCode %d\n", keycode);
|
||||
}
|
||||
|
||||
return scancode;
|
||||
}
|
||||
|
||||
#ifdef SDL_USE_LIBUDEV
|
||||
static int
|
||||
SDL_EVDEV_init_touchscreen( SDL_evdevlist_item* item ) {
|
||||
SDL_EVDEV_init_touchscreen(SDL_evdevlist_item* item)
|
||||
{
|
||||
int ret, i;
|
||||
char name[64];
|
||||
struct input_absinfo abs_info;
|
||||
|
||||
if( !item->is_touchscreen )
|
||||
if (!item->is_touchscreen)
|
||||
return 0;
|
||||
|
||||
item->touchscreen_data = SDL_calloc( 1, sizeof( *item->touchscreen_data ) );
|
||||
if( item->touchscreen_data == NULL )
|
||||
item->touchscreen_data = SDL_calloc(1, sizeof(*item->touchscreen_data));
|
||||
if (item->touchscreen_data == NULL)
|
||||
return SDL_OutOfMemory();
|
||||
|
||||
ret = ioctl( item->fd, EVIOCGNAME( sizeof( name ) ), name );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( item->touchscreen_data );
|
||||
return SDL_SetError( "Failed to get evdev touchscreen name" );
|
||||
ret = ioctl(item->fd, EVIOCGNAME(sizeof(name)), name);
|
||||
if (ret < 0) {
|
||||
SDL_free(item->touchscreen_data);
|
||||
return SDL_SetError("Failed to get evdev touchscreen name");
|
||||
}
|
||||
|
||||
item->touchscreen_data->name = SDL_strdup( name );
|
||||
if( item->touchscreen_data->name == NULL ) {
|
||||
SDL_free( item->touchscreen_data );
|
||||
item->touchscreen_data->name = SDL_strdup(name);
|
||||
if (item->touchscreen_data->name == NULL) {
|
||||
SDL_free(item->touchscreen_data);
|
||||
return SDL_OutOfMemory();
|
||||
}
|
||||
|
||||
ret = ioctl( item->fd, EVIOCGABS( ABS_MT_POSITION_X ), &abs_info );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( item->touchscreen_data->name );
|
||||
SDL_free( item->touchscreen_data );
|
||||
return SDL_SetError( "Failed to get evdev touchscreen limits" );
|
||||
ret = ioctl(item->fd, EVIOCGABS(ABS_MT_POSITION_X), &abs_info);
|
||||
if (ret < 0) {
|
||||
SDL_free(item->touchscreen_data->name);
|
||||
SDL_free(item->touchscreen_data);
|
||||
return SDL_SetError("Failed to get evdev touchscreen limits");
|
||||
}
|
||||
item->touchscreen_data->min_x = abs_info.minimum;
|
||||
item->touchscreen_data->max_x = abs_info.maximum;
|
||||
item->touchscreen_data->range_x = abs_info.maximum - abs_info.minimum;
|
||||
|
||||
ret = ioctl( item->fd, EVIOCGABS( ABS_MT_POSITION_Y ), &abs_info );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( item->touchscreen_data->name );
|
||||
SDL_free( item->touchscreen_data );
|
||||
return SDL_SetError( "Failed to get evdev touchscreen limits" );
|
||||
ret = ioctl(item->fd, EVIOCGABS(ABS_MT_POSITION_Y), &abs_info);
|
||||
if (ret < 0) {
|
||||
SDL_free(item->touchscreen_data->name);
|
||||
SDL_free(item->touchscreen_data);
|
||||
return SDL_SetError("Failed to get evdev touchscreen limits");
|
||||
}
|
||||
item->touchscreen_data->min_y = abs_info.minimum;
|
||||
item->touchscreen_data->max_y = abs_info.maximum;
|
||||
item->touchscreen_data->range_y = abs_info.maximum - abs_info.minimum;
|
||||
|
||||
ret = ioctl( item->fd, EVIOCGABS( ABS_MT_SLOT ), &abs_info );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( item->touchscreen_data->name );
|
||||
SDL_free( item->touchscreen_data );
|
||||
return SDL_SetError( "Failed to get evdev touchscreen limits" );
|
||||
ret = ioctl(item->fd, EVIOCGABS(ABS_MT_SLOT), &abs_info);
|
||||
if (ret < 0) {
|
||||
SDL_free(item->touchscreen_data->name);
|
||||
SDL_free(item->touchscreen_data);
|
||||
return SDL_SetError("Failed to get evdev touchscreen limits");
|
||||
}
|
||||
item->touchscreen_data->max_slots = abs_info.maximum + 1;
|
||||
|
||||
item->touchscreen_data->slots = SDL_calloc(
|
||||
item->touchscreen_data->max_slots,
|
||||
sizeof( *item->touchscreen_data->slots ) );
|
||||
if( item->touchscreen_data->slots == NULL ) {
|
||||
SDL_free( item->touchscreen_data->name );
|
||||
SDL_free( item->touchscreen_data );
|
||||
sizeof(*item->touchscreen_data->slots));
|
||||
if (item->touchscreen_data->slots == NULL) {
|
||||
SDL_free(item->touchscreen_data->name);
|
||||
SDL_free(item->touchscreen_data);
|
||||
return SDL_OutOfMemory();
|
||||
}
|
||||
|
||||
for( i = 0; i < item->touchscreen_data->max_slots; i++ ) {
|
||||
for(i = 0; i < item->touchscreen_data->max_slots; i++) {
|
||||
item->touchscreen_data->slots[i].tracking_id = -1;
|
||||
}
|
||||
|
||||
ret = SDL_AddTouch( item->fd, /* I guess our fd is unique enough */
|
||||
item->touchscreen_data->name );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( item->touchscreen_data->slots );
|
||||
SDL_free( item->touchscreen_data->name );
|
||||
SDL_free( item->touchscreen_data );
|
||||
ret = SDL_AddTouch(item->fd, /* I guess our fd is unique enough */
|
||||
item->touchscreen_data->name);
|
||||
if (ret < 0) {
|
||||
SDL_free(item->touchscreen_data->slots);
|
||||
SDL_free(item->touchscreen_data->name);
|
||||
SDL_free(item->touchscreen_data);
|
||||
return ret;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif /* SDL_USE_LIBUDEV */
|
||||
|
||||
static void
|
||||
SDL_EVDEV_destroy_touchscreen( SDL_evdevlist_item* item ) {
|
||||
if( !item->is_touchscreen )
|
||||
SDL_EVDEV_destroy_touchscreen(SDL_evdevlist_item* item) {
|
||||
if (!item->is_touchscreen)
|
||||
return;
|
||||
|
||||
SDL_DelTouch( item->fd );
|
||||
SDL_free( item->touchscreen_data->slots );
|
||||
SDL_free( item->touchscreen_data->name );
|
||||
SDL_free( item->touchscreen_data );
|
||||
SDL_DelTouch(item->fd);
|
||||
SDL_free(item->touchscreen_data->slots);
|
||||
SDL_free(item->touchscreen_data->name);
|
||||
SDL_free(item->touchscreen_data);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -687,28 +690,28 @@ SDL_EVDEV_sync_device(SDL_evdevlist_item *item)
|
|||
size_t mt_req_size;
|
||||
|
||||
/* TODO: sync devices other than touchscreen */
|
||||
if( !item->is_touchscreen )
|
||||
if (!item->is_touchscreen)
|
||||
return;
|
||||
|
||||
mt_req_size = sizeof( *mt_req_code ) +
|
||||
sizeof( *mt_req_values ) * item->touchscreen_data->max_slots;
|
||||
mt_req_size = sizeof(*mt_req_code) +
|
||||
sizeof(*mt_req_values) * item->touchscreen_data->max_slots;
|
||||
|
||||
mt_req_code = SDL_calloc( 1, mt_req_size );
|
||||
if( mt_req_code == NULL ) {
|
||||
SDL_Log( "Failed to sync device" );
|
||||
mt_req_code = SDL_calloc(1, mt_req_size);
|
||||
if (mt_req_code == NULL) {
|
||||
SDL_Log("Failed to sync device");
|
||||
return;
|
||||
}
|
||||
|
||||
mt_req_values = (__s32*)mt_req_code + 1;
|
||||
|
||||
*mt_req_code = ABS_MT_TRACKING_ID;
|
||||
ret = ioctl( item->fd, EVIOCGMTSLOTS( mt_req_size ), mt_req_code );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( mt_req_code );
|
||||
SDL_Log( "Failed to sync device" );
|
||||
ret = ioctl(item->fd, EVIOCGMTSLOTS(mt_req_size), mt_req_code);
|
||||
if (ret < 0) {
|
||||
SDL_free(mt_req_code);
|
||||
SDL_Log("Failed to sync device");
|
||||
return;
|
||||
}
|
||||
for( i = 0; i < item->touchscreen_data->max_slots; i++ ) {
|
||||
for(i = 0; i < item->touchscreen_data->max_slots; i++) {
|
||||
/*
|
||||
* This doesn't account for the very edge case of the user removing their
|
||||
* finger and replacing it on the screen during the time we're out of sync,
|
||||
|
|
@ -718,30 +721,30 @@ SDL_EVDEV_sync_device(SDL_evdevlist_item *item)
|
|||
* SDL_EVDEV_Poll to tell SDL, the current structure of this code doesn't
|
||||
* allow it. Lets just pray to God it doesn't happen.
|
||||
*/
|
||||
if( item->touchscreen_data->slots[i].tracking_id < 0 &&
|
||||
mt_req_values[i] >= 0 ) {
|
||||
if (item->touchscreen_data->slots[i].tracking_id < 0 &&
|
||||
mt_req_values[i] >= 0) {
|
||||
item->touchscreen_data->slots[i].tracking_id = mt_req_values[i];
|
||||
item->touchscreen_data->slots[i].delta = EVDEV_TOUCH_SLOTDELTA_DOWN;
|
||||
} else if( item->touchscreen_data->slots[i].tracking_id >= 0 &&
|
||||
mt_req_values[i] < 0 ) {
|
||||
} else if (item->touchscreen_data->slots[i].tracking_id >= 0 &&
|
||||
mt_req_values[i] < 0) {
|
||||
item->touchscreen_data->slots[i].tracking_id = -1;
|
||||
item->touchscreen_data->slots[i].delta = EVDEV_TOUCH_SLOTDELTA_UP;
|
||||
}
|
||||
}
|
||||
|
||||
*mt_req_code = ABS_MT_POSITION_X;
|
||||
ret = ioctl( item->fd, EVIOCGMTSLOTS( mt_req_size ), mt_req_code );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( mt_req_code );
|
||||
SDL_Log( "Failed to sync device" );
|
||||
ret = ioctl(item->fd, EVIOCGMTSLOTS(mt_req_size), mt_req_code);
|
||||
if (ret < 0) {
|
||||
SDL_free(mt_req_code);
|
||||
SDL_Log("Failed to sync device");
|
||||
return;
|
||||
}
|
||||
for( i = 0; i < item->touchscreen_data->max_slots; i++ ) {
|
||||
if( item->touchscreen_data->slots[i].tracking_id >= 0 &&
|
||||
item->touchscreen_data->slots[i].x != mt_req_values[i] ) {
|
||||
for(i = 0; i < item->touchscreen_data->max_slots; i++) {
|
||||
if (item->touchscreen_data->slots[i].tracking_id >= 0 &&
|
||||
item->touchscreen_data->slots[i].x != mt_req_values[i]) {
|
||||
item->touchscreen_data->slots[i].x = mt_req_values[i];
|
||||
if( item->touchscreen_data->slots[i].delta ==
|
||||
EVDEV_TOUCH_SLOTDELTA_NONE ) {
|
||||
if (item->touchscreen_data->slots[i].delta ==
|
||||
EVDEV_TOUCH_SLOTDELTA_NONE) {
|
||||
item->touchscreen_data->slots[i].delta =
|
||||
EVDEV_TOUCH_SLOTDELTA_MOVE;
|
||||
}
|
||||
|
|
@ -749,33 +752,33 @@ SDL_EVDEV_sync_device(SDL_evdevlist_item *item)
|
|||
}
|
||||
|
||||
*mt_req_code = ABS_MT_POSITION_Y;
|
||||
ret = ioctl( item->fd, EVIOCGMTSLOTS( mt_req_size ), mt_req_code );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( mt_req_code );
|
||||
SDL_Log( "Failed to sync device" );
|
||||
ret = ioctl(item->fd, EVIOCGMTSLOTS(mt_req_size), mt_req_code);
|
||||
if (ret < 0) {
|
||||
SDL_free(mt_req_code);
|
||||
SDL_Log("Failed to sync device");
|
||||
return;
|
||||
}
|
||||
for( i = 0; i < item->touchscreen_data->max_slots; i++ ) {
|
||||
if( item->touchscreen_data->slots[i].tracking_id >= 0 &&
|
||||
item->touchscreen_data->slots[i].y != mt_req_values[i] ) {
|
||||
for(i = 0; i < item->touchscreen_data->max_slots; i++) {
|
||||
if (item->touchscreen_data->slots[i].tracking_id >= 0 &&
|
||||
item->touchscreen_data->slots[i].y != mt_req_values[i]) {
|
||||
item->touchscreen_data->slots[i].y = mt_req_values[i];
|
||||
if( item->touchscreen_data->slots[i].delta ==
|
||||
EVDEV_TOUCH_SLOTDELTA_NONE ) {
|
||||
if (item->touchscreen_data->slots[i].delta ==
|
||||
EVDEV_TOUCH_SLOTDELTA_NONE) {
|
||||
item->touchscreen_data->slots[i].delta =
|
||||
EVDEV_TOUCH_SLOTDELTA_MOVE;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ret = ioctl( item->fd, EVIOCGABS( ABS_MT_SLOT ), &abs_info );
|
||||
if( ret < 0 ) {
|
||||
SDL_free( mt_req_code );
|
||||
SDL_Log( "Failed to sync device" );
|
||||
ret = ioctl(item->fd, EVIOCGABS(ABS_MT_SLOT), &abs_info);
|
||||
if (ret < 0) {
|
||||
SDL_free(mt_req_code);
|
||||
SDL_Log("Failed to sync device");
|
||||
return;
|
||||
}
|
||||
item->touchscreen_data->current_slot = abs_info.value;
|
||||
|
||||
SDL_free( mt_req_code );
|
||||
SDL_free(mt_req_code);
|
||||
}
|
||||
|
||||
#if SDL_USE_LIBUDEV
|
||||
|
|
@ -797,7 +800,7 @@ SDL_EVDEV_device_added(const char *dev_path, int udev_class)
|
|||
return SDL_OutOfMemory();
|
||||
}
|
||||
|
||||
item->fd = open( dev_path, O_RDONLY | O_NONBLOCK );
|
||||
item->fd = open(dev_path, O_RDONLY | O_NONBLOCK);
|
||||
if (item->fd < 0) {
|
||||
SDL_free(item);
|
||||
return SDL_SetError("Unable to open %s", dev_path);
|
||||
|
|
@ -810,10 +813,10 @@ SDL_EVDEV_device_added(const char *dev_path, int udev_class)
|
|||
return SDL_OutOfMemory();
|
||||
}
|
||||
|
||||
if( udev_class & SDL_UDEV_DEVICE_TOUCHSCREEN ) {
|
||||
if (udev_class & SDL_UDEV_DEVICE_TOUCHSCREEN) {
|
||||
item->is_touchscreen = 1;
|
||||
|
||||
if( ( ret = SDL_EVDEV_init_touchscreen( item ) ) < 0 ) {
|
||||
if ((ret = SDL_EVDEV_init_touchscreen(item)) < 0) {
|
||||
close(item->fd);
|
||||
SDL_free(item);
|
||||
return ret;
|
||||
|
|
@ -851,8 +854,8 @@ SDL_EVDEV_device_removed(const char *dev_path)
|
|||
if (item == _this->last) {
|
||||
_this->last = prev;
|
||||
}
|
||||
if( item->is_touchscreen ) {
|
||||
SDL_EVDEV_destroy_touchscreen( item );
|
||||
if (item->is_touchscreen) {
|
||||
SDL_EVDEV_destroy_touchscreen(item);
|
||||
}
|
||||
close(item->fd);
|
||||
SDL_free(item->path);
|
||||
|
|
|
|||
Loading…
Reference in New Issue