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/*****************************************************************************
* EPGWidget.cpp : EPGWidget
****************************************************************************
* Copyright © 2009-2010 VideoLAN
* $Id: 23730941a5381f2ed00fed19545098c03afecbac $
*
* Authors: Ludovic Fauvet <etix@l0cal.com>
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "EPGWidget.hpp"
#include <QStackedWidget>
#include <QVBoxLayout>
#include <QScrollBar>
#include <QLabel>
#include <QStringList>
#include "qt4.hpp"
#include "input_manager.hpp"
#include <vlc_common.h>
#include <vlc_epg.h>
EPGWidget::EPGWidget( QWidget *parent ) : QWidget( parent )
{
b_input_type_known = false;
m_rulerWidget = new EPGRuler( this );
m_epgView = new EPGView( this );
m_channelsWidget = new EPGChannels( this, m_epgView );
m_channelsWidget->setMinimumWidth( 100 );
m_epgView->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
setZoom( 1 );
rootWidget = new QStackedWidget( this );
QWidget *containerWidget = new QWidget( this );
QGridLayout* layout = new QGridLayout( this );
layout->addWidget( m_rulerWidget, 0, 1 );
layout->addWidget( m_channelsWidget, 1, 0 );
layout->addWidget( m_epgView, 1, 1 );
layout->setSpacing( 0 );
containerWidget->setLayout( layout );
rootWidget->insertWidget( EPGVIEW_WIDGET, containerWidget );
QLabel *noepgLabel = new QLabel( qtr("No EPG Data Available"), this );
noepgLabel->setAlignment( Qt::AlignCenter );
rootWidget->insertWidget( NOEPG_WIDGET, noepgLabel );
rootWidget->setCurrentIndex( 1 );
layout = new QGridLayout( this );
layout->addWidget( rootWidget );
setLayout( layout );
CONNECT( m_epgView, startTimeChanged(QDateTime),
m_rulerWidget, setStartTime(QDateTime) );
CONNECT( m_epgView, durationChanged(int),
m_rulerWidget, setDuration(int) );
CONNECT( m_epgView->horizontalScrollBar(), valueChanged(int),
m_rulerWidget, setOffset(int) );
CONNECT( m_epgView->verticalScrollBar(), valueChanged(int),
m_channelsWidget, setOffset(int) );
connect( m_epgView, SIGNAL( itemFocused(EPGItem*)),
this, SIGNAL(itemSelectionChanged(EPGItem*)) );
CONNECT( m_epgView, channelAdded(QString), m_channelsWidget, addChannel(QString) );
CONNECT( m_epgView, channelRemoved(QString), m_channelsWidget, removeChannel(QString) );
}
void EPGWidget::reset()
{
m_epgView->reset();
m_epgView->updateDuration();
m_epgView->updateStartTime();
}
void EPGWidget::setZoom( int level )
{
double scale = (double)level / 20;
m_epgView->setScale( scale );
m_rulerWidget->setScale( scale );
}
void EPGWidget::updateEPG( input_item_t *p_input_item )
{
if( !p_input_item ) return;
/* flush our EPG data if input type has changed */
if ( b_input_type_known && p_input_item->i_type != i_event_source_type ) m_epgView->reset();
i_event_source_type = p_input_item->i_type;
b_input_type_known = true;
m_epgView->cleanup(); /* expire items and flags */
/* Fixme: input could have dissapeared */
vlc_mutex_lock( & p_input_item->lock );
for ( int i = 0; i < p_input_item->i_epg; ++i )
{
vlc_epg_t *p_epg = p_input_item->pp_epg[i];
/* Read current epg events from libvlc and try to insert them */
for ( int j = 0; j < p_epg->i_event; ++j )
{
vlc_epg_event_t *p_event = p_epg->pp_event[j];
m_epgView->addEPGEvent( p_event, qfu( p_epg->psz_name ),
( p_epg->p_current == p_event ) );
}
}
vlc_mutex_unlock( & p_input_item->lock );
/* toggle our widget view */
rootWidget->setCurrentIndex(
m_epgView->hasValidData() ? EPGVIEW_WIDGET : NOEPG_WIDGET );
// Update the global duration and start time.
m_epgView->updateDuration();
m_epgView->updateStartTime();
}
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