joystickinputdevice.cpp

Go to the documentation of this file.

// PTF - Psychological Test Framework
// http://ptf.sourceforge.net
//
// 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#include <ptf/input/joystickinputdevice.hpp>
#include <ptf/core/ptfcore.hpp>
#include <SDL.h>
#include <stdexcept>

JoystickInputDevice::JoystickInputDevice() {
    SDL_Joystick* joystick;
    SDL_InitSubSystem(SDL_INIT_JOYSTICK);
    SDL_ShowCursor(0);
    if (SDL_NumJoysticks() < 1){
        PtfCore::getSingleton().getMessageLog() 
            << "ERROR:   At least one joystick is needed for joystick as input device.\n";
        throw std::runtime_error("At least one joystick is needed for joystick as input device.");
    }
    PtfCore::getSingleton().getMessageLog() 
            << "MESSAGE: Using joystick 0 (" << SDL_JoystickName(0) << ").\n";
    SDL_JoystickEventState(SDL_ENABLE);
    joystick = SDL_JoystickOpen(0);
}

JoystickInputDevice::~JoystickInputDevice() {
    // nothing to do here
}

bool JoystickInputDevice::poll() {
    SDL_Event event;
    if (SDL_PollEvent(&event)){
        if (event.type == SDL_QUIT){
            PtfCore::getSingleton().getScheduler().quit();
        } 
        else if (event.type == SDL_JOYBUTTONDOWN) {
            lastButton = event.jbutton.button;
            return true;  
        }
    }
    return false;
}

int JoystickInputDevice::getLastButton() const {
    return lastButton;
}

bool JoystickInputDevice::handle(vector<bool>& states) {
    return false;
}

---