LashClient.cpp

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/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 * Copyright(c) 2008-2025 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * 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, see https://www.gnu.org/licenses
 *
 */

 
#include <core/Lash/LashClient.h>
 
#if defined(H2CORE_HAVE_LASH) || _DOXYGEN_
 
#include <lash-1.0/lash/lash.h>
#include <core/Preferences/Preferences.h>
#include <core/H2Exception.h>
 
using namespace H2Core;
 
LashClient* LashClient::__instance = nullptr; 
 
void LashClient::create_instance( const char *lashClass,
                                  const char *viewName,
                                  int *argc,
                                  char ***argv )
{
        __instance = new LashClient(lashClass, viewName, argc, argv);
}
 
LashClient::LashClient(const char* lashClass, const char* viewName, int* argc, char*** argv)
{
        __instance = this;
 
        if ( H2Core::Preferences::get_instance()->useLash() ){
                newProject = true;
                lash_args_t *lash_args = lash_extract_args(argc, argv);
                lashClient = lash_init(lash_args, lashClass, LASH_Config_File, LASH_PROTOCOL(2, 0));
 
                if (isConnected())
                {
                        sendEvent(LASH_Client_Name, viewName);
                }
        }
 
}
 
LashClient::~LashClient()
{
 
}
 
bool LashClient::isConnected()
{
        return lash_enabled(lashClient);
}
 
 
void LashClient::setNewProject(bool value)
{
        newProject = value;
}
 
bool LashClient::isNewProject()
{
        return newProject;
}
 
lash_client_t* LashClient::getConnection()
{
        return lashClient;
}
 
lash_event_t* LashClient::getNextEvent()
{
        lash_event_t* event = lash_get_event(lashClient);
        return event;
}
 
void LashClient::sendEvent(LASH_Event_Type eventType)
{
        sendEvent(eventType, nullptr);
}
 
void LashClient::sendEvent(LASH_Event_Type eventType, const char* value)
{
        lash_event_t *event = lash_event_new_with_type(eventType);
        if (value != nullptr)
        {
                lash_event_set_string(event, value);
        }
        lash_send_event(lashClient, event);
}
 
void LashClient::setJackClientName( const std::string& name )
{
        jackClientName = name;
}
 
void LashClient::sendJackClientName()
{
        lash_jack_client_name(lashClient, jackClientName.c_str());
}
 
void LashClient::setAlsaClientId(unsigned char id)
{
        alsaClientId = id;
}
 
void LashClient::sendAlsaClientId()
{
        lash_alsa_client_id(lashClient, alsaClientId);
}
 
#endif