info_panels.cpp

VLC Player Source Code

/*****************************************************************************
 * infopanels.cpp : Panels for the information dialogs
 ****************************************************************************
 * Copyright (C) 2006-2007 the VideoLAN team
 * $Id: da90cab870faa3637a07c5e831df996450c0f014 $
 *
 * Authors: Clément Stenac <[e-mail]>
 *          Jean-Baptiste Kempf <[e-mail]>
 *          Ilkka Ollakka <[e-mail]>
 *
 * 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 "qt4.hpp"
#include "components/info_panels.hpp"
#include "components/interface_widgets.hpp"

#include <QTreeWidget>
#include <QListView>
#include <QPushButton>
#include <QHeaderView>
#include <QList>
#include <QStringList>
#include <QGridLayout>
#include <QLineEdit>
#include <QLabel>
#include <QSpinBox>
#include <QTabWidget>

/************************************************************************
 * Single panels
 ************************************************************************/

/**
 * First Panel - Meta Info
 * All the usual MetaData are displayed and can be changed.
 **/
MetaPanel::MetaPanel( QWidget *parent,
                      intf_thread_t *_p_intf )
                      : QWidget( parent ), p_intf( _p_intf )
{
    QGridLayout *metaLayout = new QGridLayout( this );

    int line = 0; /* Counter for GridLayout */
    p_input = NULL;

#define ADD_META( string, widget ) {                                      \
    metaLayout->addWidget( new QLabel( qtr( string ) + " :" ), line, 0 ); \
    widget = new QLineEdit;                                               \
    metaLayout->addWidget( widget, line, 1, 1, 9 );                       \
    line++;            }

    /* Title, artist and album*/
    ADD_META( VLC_META_TITLE, title_text ); /* OK */
    ADD_META( VLC_META_ARTIST, artist_text ); /* OK */
    ADD_META( VLC_META_ALBUM, collection_text ); /* OK */

    /* Genre Name */
    /* TODO List id3genres.h is not includable yet ? */
    genre_text = new QLineEdit;
    metaLayout->addWidget( new QLabel( qtr( VLC_META_GENRE ) + " :" ), line, 0 );
    metaLayout->addWidget( genre_text, line, 1, 1, 3 );

    /* Number - on the same line */
    metaLayout->addWidget( new QLabel( qtr( VLC_META_TRACK_NUMBER )  + " :" ),
                  line, 5, 1, 2  );
    seqnum_text = new QLineEdit;
    seqnum_text->setInputMask("0000");
    seqnum_text->setAlignment( Qt::AlignRight );
    metaLayout->addWidget( seqnum_text, line, 7, 1, 3 );
    line++;

    /* Date (Should be in years) */
    date_text = new QLineEdit;
    date_text->setInputMask("0000");
    date_text->setAlignment( Qt::AlignRight );
    metaLayout->addWidget( new QLabel( qtr( VLC_META_DATE ) + " :" ), line, 0 );
    metaLayout->addWidget( date_text, line, 1, 1, 3 );

    /* Rating - on the same line */
    /*
    metaLayout->addWidget( new QLabel( qtr( VLC_META_RATING ) + " :" ), line, 4, 1, 2 );
    rating_text = new QSpinBox; setSpinBounds( rating_text );
    metaLayout->addWidget( rating_text, line, 6, 1, 1 );
    */
    /* Language on the same line */
    metaLayout->addWidget( new QLabel( qfu( VLC_META_LANGUAGE ) + " :" ), line, 5, 1, 2 );
    language_text = new QLineEdit;
    language_text->setReadOnly( true );
    metaLayout->addWidget( language_text, line,  7, 1, 3 );
    line++;

    /* ART_URL */
    art_cover = new CoverArtLabel( VLC_OBJECT( p_intf ) );
    metaLayout->addWidget( art_cover, line, 8, 4, 2, Qt::AlignRight );

/* Settings is unused */
/*    l->addWidget( new QLabel( qtr( VLC_META_SETTING ) + " :" ), line, 5 );
    setting_text = new QLineEdit;
    l->addWidget( setting_text, line, 6, 1, 4 ); */

/* Less used metadata */
#define ADD_META_2( string, widget ) {                                    \
    metaLayout->addWidget( new QLabel( qtr( string ) + " :" ), line, 0 ); \
    widget = new QLineEdit;                                               \
    metaLayout->addWidget( widget, line, 1, 1, 7 );                       \
    line++;            }

    /* Now Playing - Useful for live feeds (HTTP, DVB, ETC...) */
    ADD_META_2( VLC_META_NOW_PLAYING, nowplaying_text );
    nowplaying_text->setReadOnly( true );
    ADD_META_2( VLC_META_PUBLISHER, publisher_text );
    ADD_META_2( VLC_META_COPYRIGHT, copyright_text );
    ADD_META_2( "Comments", description_text );

/* useless metadata */

    //ADD_META_2( VLC_META_ENCODED_BY, encodedby_text );
    /*  ADD_META( TRACKID )  Useless ? */
    /*  ADD_URI - DO not show it, done outside */

    metaLayout->setColumnStretch( 1, 2 );
    metaLayout->setColumnMinimumWidth ( 1, 80 );
#undef ADD_META
#undef ADD_META_2

    CONNECT( title_text, textEdited( QString ), this, enterEditMode() );
    CONNECT( artist_text, textEdited( QString ), this, enterEditMode() );
    CONNECT( collection_text, textEdited( QString ), this, enterEditMode() );
    CONNECT( genre_text, textEdited( QString ), this, enterEditMode() );
    CONNECT( seqnum_text, textEdited( QString ), this, enterEditMode() );

    CONNECT( date_text, textEdited( QString ), this, enterEditMode() );
    CONNECT( description_text, textEdited( QString ), this, enterEditMode() );
/*    CONNECT( rating_text, valueChanged( QString ), this, enterEditMode( QString ) );*/

    /* We are not yet in Edit Mode */
    b_inEditMode = false;
}

MetaPanel::~MetaPanel(){}

/**
 * Update all the MetaData and art on an "item-changed" event
 **/
void MetaPanel::update( input_item_t *p_item )
{
    /* Don't update if you are in edit mode */
    if( b_inEditMode ) return;
    else p_input = p_item;

    char *psz_meta;
#define UPDATE_META( meta, widget ) {               \
    psz_meta = input_item_Get##meta( p_item );      \
    if( !EMPTY_STR( psz_meta ) )                    \
        widget->setText( qfu( psz_meta ) );         \
    else                                            \
        widget->setText( "" ); }                    \
    free( psz_meta );

#define UPDATE_META_INT( meta, widget ) {           \
    psz_meta = input_item_Get##meta( p_item );      \
    if( !EMPTY_STR( psz_meta ) )                    \
        widget->setValue( atoi( psz_meta ) ); }     \
    free( psz_meta );

    /* Name / Title */
    psz_meta = input_item_GetTitle( p_item );
    char *psz_name = input_item_GetName( p_item );
    if( !EMPTY_STR( psz_meta ) )
        title_text->setText( qfu( psz_meta ) );
    else if( !EMPTY_STR( psz_name ) )
        title_text->setText( qfu( psz_name ) );
    else title_text->setText( "" );
    free( psz_meta );
    free( psz_name );

    /* URL / URI */
    psz_meta = input_item_GetURL( p_item );
    if( !EMPTY_STR( psz_meta ) )
        emit uriSet( QString( psz_meta ) );
    else
    {
        free( psz_meta );
        psz_meta = input_item_GetURI( p_item );
        if( !EMPTY_STR( psz_meta ) )
            emit uriSet( QString( psz_meta ) );
    }
    free( psz_meta );

    /* Other classic though */
    UPDATE_META( Artist, artist_text );
    UPDATE_META( Genre, genre_text );
    UPDATE_META( Copyright, copyright_text );
    UPDATE_META( Album, collection_text );
    UPDATE_META( Description, description_text );
    UPDATE_META( Language, language_text );
    UPDATE_META( NowPlaying, nowplaying_text );
    UPDATE_META( Publisher, publisher_text );
//    UPDATE_META( Setting, setting_text );
//    UPDATE_META( EncodedBy, encodedby_text );

    UPDATE_META( Date, date_text );
    UPDATE_META( TrackNum, seqnum_text );
//    UPDATE_META_INT( Rating, rating_text );

#undef UPDATE_META_INT
#undef UPDATE_META

    /* Update Art */
    art_cover->update( p_item );
}

/**
 * Save the MetaData, triggered by parent->save Button
 **/
void MetaPanel::saveMeta()
{
    playlist_t *p_playlist;

    meta_export_t p_export;
    p_export.p_item = p_input;

    if( p_input == NULL )
        return;

    /* we can write meta data only in a file */
    vlc_mutex_lock( &p_input->lock );
    int i_type = p_input->i_type;
    vlc_mutex_unlock( &p_input->lock );
    if( i_type == ITEM_TYPE_FILE )
    {
        char *psz_uri_orig = input_item_GetURI( p_input );
        char *psz_uri = psz_uri_orig;
        if( !strncmp( psz_uri, "file://", 7 ) )
            psz_uri += 7; /* strlen("file://") = 7 */

        p_export.psz_file = strndup( psz_uri, PATH_MAX );
        free( psz_uri_orig );
    }
    else
        return;

    /* now we read the modified meta data */
    input_item_SetTitle(  p_input, qtu( title_text->text() ) );
    input_item_SetArtist( p_input, qtu( artist_text->text() ) );
    input_item_SetAlbum(  p_input, qtu( collection_text->text() ) );
    input_item_SetGenre(  p_input, qtu( genre_text->text() ) );
    input_item_SetTrackNum(  p_input, qtu( seqnum_text->text() ) );
    input_item_SetDate(  p_input, qtu( date_text->text() ) );

    input_item_SetCopyright( p_input, qtu( copyright_text->text() ) );
    input_item_SetPublisher( p_input, qtu( publisher_text->text() ) );
    input_item_SetDescription( p_input, qtu( description_text->text() ) );

    p_playlist = pl_Yield( p_intf );
    PL_LOCK;
    p_playlist->p_private = &p_export;

    module_t *p_mod = module_Need( p_playlist, "meta writer", NULL, 0 );
    if( p_mod )
        module_Unneed( p_playlist, p_mod );
    PL_UNLOCK;
    pl_Release( p_intf );

    /* Reset the status of the mode. No need to emit any signal because parent
       is the only caller */
    b_inEditMode = false;
}


bool MetaPanel::isInEditMode()
{
    return b_inEditMode;
}

void MetaPanel::enterEditMode()
{
    msg_Dbg( p_intf, "Entering Edit MetaData Mode" );
    setEditMode( true );
}

void MetaPanel::setEditMode( bool b_editing )
{
    b_inEditMode = b_editing;