AbsAxisEventHandler*
AbsAxisEventHandler::from_string(const std::string& str)
{
typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
tokenizer tokens(str, boost::char_separator<char>(":", "", boost::keep_empty_tokens));
int j = 0;
int code = -1;
for(tokenizer::iterator i = tokens.begin(); i != tokens.end(); ++i, ++j)
{
switch(j)
{
case 0:
code = str2abs(*i);
break;
default:
throw std::runtime_error("AxisEventHandlers::abs_from_string(): to many arguments: " + str);
}
}
if (j == 0)
{
throw std::runtime_error("AxisEventHandler::abs_from_string(): at least one argument required: " + str);
}
else if (j > 1)
{
throw std::runtime_error("AxisEventHandler::abs_from_string(): invalid extra arguments in " + str);
}
else
{
return new AbsAxisEventHandler(DEVICEID_AUTO, code, -1, -1, 0, 0);
}
}
UIEvent str2abs_event(const std::string& str)
{
int slot_id;
int device_id;
std::string rest;
split_event_name(str, &rest, &slot_id, &device_id);
return UIEvent::create(device_id, EV_ABS, str2abs(rest));
}
void str2event(const std::string& name, int& type, int& code)
{
if (name == "void" || name == "none")
{
type = -1;
code = -1;
}
else if (name.compare(0, 3, "REL") == 0)
{
type = EV_REL;
code = str2rel(name);
}
else if (name.compare(0, 3, "ABS") == 0)
{
type = EV_ABS;
code = str2abs(name);
}
else if (name.compare(0, 2, "XK") == 0)
{
type = EV_KEY;
code = xkeysym2keycode(name);
}
else if (name.compare(0, 2, "JS") == 0)
{
type = EV_KEY;
code = BTN_JOYSTICK + boost::lexical_cast<int>(name.substr(3));
}
else if (name.compare(0, 3, "KEY") == 0 ||
name.compare(0, 3, "BTN") == 0)
{
type = EV_KEY;
code = str2key(name);
}
else
{
throw std::runtime_error("str2event(): unknown event type prefix: " + name);
}
}
