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/*
* UltraStar Deluxe - Karaoke Game
*
* UltraStar Deluxe is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "event_manager.hpp"
#include <iostream>
namespace usdx
{
log4cpp::Category& EventManager::log =
log4cpp::Category::getInstance("usdx.menu.event_manager");
EventManager::EventManager(int capacity) :
buffer(capacity), waiting(0)
{
}
EventManager::~EventManager(void)
{
boost::unique_lock<boost::shared_mutex> lock(mutex);
while (waiting > 0) {
--waiting;
delete buffer[waiting];
}
}
bool EventManager::is_not_full() const
{
return waiting < buffer.capacity();
}
bool EventManager::is_not_empty() const
{
return waiting > 0;
}
void EventManager::add_event(const SDL_Event& event)
{
boost::unique_lock<boost::shared_mutex> lock(mutex);
not_full.wait(lock, boost::bind(&EventManager::is_not_full, this));
buffer.push_front(new SDL_Event(event));
++waiting;
lock.unlock();
not_empty.notify_one();
}
void EventManager::get_next_event(SDL_Event& event)
{
boost::unique_lock<boost::shared_mutex> lock(mutex);
not_empty.wait(lock, boost::bind(&EventManager::is_not_empty, this));
--waiting;
event = *buffer[waiting];
delete buffer[waiting];
lock.unlock();
not_full.notify_one();
}
bool EventManager::available(void)
{
boost::shared_lock<boost::shared_mutex> lock(mutex);
return waiting < buffer.capacity();
}
void EventManager::handle_events(void)
{
SDL_Event event;
// run forever until this thread is interrupted
while (true) {
get_next_event(event);
switch (event.type) {
case SDL_KEYDOWN:
log << log4cpp::Priority::ERROR << "key";
break;
case SDL_MOUSEMOTION:
mouse_move(Point<int>(event.motion.x, event.motion.y));
break;
case SDL_MOUSEBUTTONDOWN:
mouse_down(event.button.button, Point<int>(event.button.x, event.button.y));
break;
case SDL_MOUSEBUTTONUP:
mouse_up(event.button.button, Point<int>(event.button.x, event.button.y));
}
}
}
};
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