mirror of
https://github.com/tomahawk-player/tomahawk.git
synced 2025-03-21 00:09:47 +01:00
* Added ColumnItemDelegate.
This commit is contained in:
Christian Muehlhaeuser
parent
00eb60b41a
commit
d5eec1ae8f
349
src/libtomahawk/playlist/ColumnItemDelegate.cpp
Normal file
349
src/libtomahawk/playlist/ColumnItemDelegate.cpp
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/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
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*
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* Copyright 2010-2013, Christian Muehlhaeuser <muesli@tomahawk-player.org>
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*
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* Tomahawk is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tomahawk is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tomahawk. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ColumnItemDelegate.h"
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#include <QApplication>
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#include <QPainter>
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#include <QAbstractItemView>
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#include <QHeaderView>
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#include <QMouseEvent>
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#include "Query.h"
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#include "Result.h"
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#include "utils/TomahawkStyle.h"
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#include "utils/TomahawkUtilsGui.h"
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#include "utils/Logger.h"
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#include "utils/Closure.h"
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#include "utils/PixmapDelegateFader.h"
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#include "PlayableItem.h"
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#include "TreeProxyModel.h"
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#include "ColumnView.h"
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#include "ViewManager.h"
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#include "Typedefs.h"
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ColumnItemDelegate::ColumnItemDelegate( ColumnView* parent, TreeProxyModel* proxy )
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: QStyledItemDelegate( (QObject*)parent )
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, m_view( parent )
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, m_model( proxy )
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{
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}
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QSize
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ColumnItemDelegate::sizeHint( const QStyleOptionViewItem& option, const QModelIndex& index ) const
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{
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QSize size;
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if ( index.isValid() )
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{
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Tomahawk::ModelTypes type = (Tomahawk::ModelTypes)index.data( PlayableProxyModel::TypeRole ).toInt();
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switch ( type )
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{
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case Tomahawk::TypeAlbum:
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{
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size.setHeight( option.fontMetrics.height() * 5 );
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return size;
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}
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case Tomahawk::TypeQuery:
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case Tomahawk::TypeResult:
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{
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size.setHeight( option.fontMetrics.height() * 1.6 );
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return size;
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}
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default:
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break;
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}
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}
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// artist per default
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size.setHeight( option.fontMetrics.height() * 3 );
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return size;
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}
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void
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ColumnItemDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const
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{
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PlayableItem* item = m_model->sourceModel()->itemFromIndex( m_model->mapToSource( index ) );
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if ( !item )
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return;
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QTextOption textOption( Qt::AlignVCenter | (Qt::Alignment)index.data( Qt::TextAlignmentRole ).toUInt() );
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textOption.setWrapMode( QTextOption::NoWrap );
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QString text;
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if ( !item->artist().isNull() )
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{
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text = item->artist()->name();
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}
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else if ( !item->album().isNull() )
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{
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text = item->album()->name();
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}
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else if ( !item->result().isNull() || !item->query().isNull() )
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{
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float opacity = item->result().isNull() ? 0.0 : item->result()->score();
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opacity = qMax( (float)0.3, opacity );
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QColor textColor = TomahawkUtils::alphaBlend( option.palette.color( QPalette::Foreground ), option.palette.color( QPalette::Background ), opacity );
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{
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QStyleOptionViewItemV4 o = option;
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initStyleOption( &o, QModelIndex() );
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painter->save();
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o.palette.setColor( QPalette::Text, textColor );
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if ( m_view->currentIndex() == index )
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o.state |= QStyle::State_Selected;
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else
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o.state &= ~QStyle::State_Selected;
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if ( o.state & QStyle::State_Selected && o.state & QStyle::State_Active )
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{
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o.palette.setColor( QPalette::Text, o.palette.color( QPalette::HighlightedText ) );
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}
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if ( item->isPlaying() )
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{
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textColor = TomahawkStyle::NOW_PLAYING_ITEM_TEXT;
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o.palette.setColor( QPalette::Highlight, TomahawkStyle::NOW_PLAYING_ITEM );
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o.palette.setColor( QPalette::Text, TomahawkStyle::NOW_PLAYING_ITEM_TEXT );
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o.state |= QStyle::State_Selected;
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}
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int oldX = 0;
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// if ( m_view->header()->visualIndex( index.column() ) == 0 )
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{
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oldX = o.rect.x();
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o.rect.setX( 0 );
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}
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qApp->style()->drawControl( QStyle::CE_ItemViewItem, &o, painter );
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if ( oldX > 0 )
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o.rect.setX( oldX );
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/* if ( m_hoveringOver == index && !index.data().toString().isEmpty() && index.column() == 0 )
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{
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o.rect.setWidth( o.rect.width() - o.rect.height() );
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QRect arrowRect( o.rect.x() + o.rect.width(), o.rect.y() + 1, o.rect.height() - 2, o.rect.height() - 2 );
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QPixmap infoIcon = TomahawkUtils::defaultPixmap( TomahawkUtils::InfoIcon, TomahawkUtils::Original, arrowRect.size() );
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painter->drawPixmap( arrowRect, infoIcon );
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m_infoButtonRects[ index ] = arrowRect;
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}*/
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{
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QRect r = o.rect.adjusted( 3, 0, 0, 0 );
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// Paint Now Playing Speaker Icon
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if ( item->isPlaying() )
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{
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const int pixMargin = 1;
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const int pixHeight = r.height() - pixMargin * 2;
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QRect npr = r.adjusted( pixMargin, pixMargin, pixHeight - r.width() + pixMargin, -pixMargin );
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painter->drawPixmap( npr, TomahawkUtils::defaultPixmap( TomahawkUtils::NowPlayingSpeaker, TomahawkUtils::Original, npr.size() ) );
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r.adjust( pixHeight + 6, 0, 0, 0 );
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}
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painter->setPen( o.palette.text().color() );
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QString text = index.data().toString();
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if ( item->query()->track()->albumpos() > 0 )
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{
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text = QString( "%1. %2" )
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.arg( index.data( PlayableModel::AlbumPosRole ).toString() )
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.arg( index.data().toString() );
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}
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text = painter->fontMetrics().elidedText( text, Qt::ElideRight, r.width() - 3 );
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painter->drawText( r.adjusted( 0, 1, 0, 0 ), text, textOption );
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}
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painter->restore();
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}
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return;
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}
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else
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return;
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if ( text.trimmed().isEmpty() )
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text = tr( "Unknown" );
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QStyleOptionViewItemV4 opt = option;
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initStyleOption( &opt, QModelIndex() );
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const QModelIndex curIndex = m_view->currentIndex();
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if ( curIndex == index || curIndex.parent() == index || curIndex.parent().parent() == index )
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opt.state |= QStyle::State_Selected;
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else
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opt.state &= ~QStyle::State_Selected;
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qApp->style()->drawControl( QStyle::CE_ItemViewItem, &opt, painter );
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if ( opt.state & QStyle::State_Selected )
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{
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opt.palette.setColor( QPalette::Text, opt.palette.color( QPalette::HighlightedText ) );
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}
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QRect arrowRect( m_view->viewport()->width() - option.rect.height(), option.rect.y() + 1, option.rect.height() - 2, option.rect.height() - 2 );
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if ( m_hoveringOver.row() == index.row() && m_hoveringOver.parent() == index.parent() )
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{
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QPixmap infoIcon = TomahawkUtils::defaultPixmap( TomahawkUtils::InfoIcon, TomahawkUtils::Original, arrowRect.size() );
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painter->drawPixmap( arrowRect, infoIcon );
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m_infoButtonRects[ index ] = arrowRect;
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}
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if ( index.column() > 0 )
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return;
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painter->save();
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painter->setRenderHint( QPainter::Antialiasing );
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painter->setPen( opt.palette.color( QPalette::Text ) );
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QRect r = option.rect.adjusted( 4, 4, -option.rect.width() + option.rect.height() - 4, -4 );
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// painter->drawPixmap( r, QPixmap( RESPATH "images/cover-shadow.png" ) );
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if ( !m_pixmaps.contains( index ) )
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{
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if ( !item->album().isNull() )
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{
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m_pixmaps.insert( index, QSharedPointer< Tomahawk::PixmapDelegateFader >( new Tomahawk::PixmapDelegateFader( item->album(), r.size(), TomahawkUtils::Original, false ) ) );
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_detail::Closure* closure = NewClosure( m_pixmaps[ index ], SIGNAL( repaintRequest() ), const_cast<ColumnItemDelegate*>(this), SLOT( doUpdateIndex( const QPersistentModelIndex& ) ), QPersistentModelIndex( index ) );
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closure->setAutoDelete( false );
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}
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else if ( !item->artist().isNull() )
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{
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m_pixmaps.insert( index, QSharedPointer< Tomahawk::PixmapDelegateFader >( new Tomahawk::PixmapDelegateFader( item->artist(), r.size(), TomahawkUtils::Original, false ) ) );
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_detail::Closure* closure = NewClosure( m_pixmaps[ index ], SIGNAL( repaintRequest() ), const_cast<ColumnItemDelegate*>(this), SLOT( doUpdateIndex( const QPersistentModelIndex& ) ), QPersistentModelIndex( index ) );
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closure->setAutoDelete( false );
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}
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}
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const QPixmap cover = m_pixmaps[ index ]->currentPixmap();
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painter->drawPixmap( r, cover );
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r = option.rect.adjusted( option.rect.height(), 6, -4, -option.rect.height() + 22 );
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text = painter->fontMetrics().elidedText( text, Qt::ElideRight, r.width() );
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painter->drawText( r, text, textOption );
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painter->restore();
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}
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void
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ColumnItemDelegate::doUpdateIndex( const QPersistentModelIndex& index )
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{
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PlayableItem* item = m_model->sourceModel()->itemFromIndex( m_model->mapToSource( index ) );
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if ( !item )
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return;
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item->forceUpdate();
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}
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bool
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ColumnItemDelegate::editorEvent( QEvent* event, QAbstractItemModel* model, const QStyleOptionViewItem& option, const QModelIndex& index )
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{
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Q_UNUSED( model );
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Q_UNUSED( option );
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if ( event->type() != QEvent::MouseButtonRelease &&
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event->type() != QEvent::MouseMove &&
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event->type() != QEvent::MouseButtonPress &&
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event->type() != QEvent::Leave )
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return false;
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bool hoveringInfo = false;
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if ( m_infoButtonRects.contains( index ) )
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{
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const QRect infoRect = m_infoButtonRects[ index ];
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const QMouseEvent* ev = static_cast< QMouseEvent* >( event );
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hoveringInfo = infoRect.contains( ev->pos() );
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}
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if ( event->type() == QEvent::MouseMove )
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{
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if ( hoveringInfo )
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m_view->setCursor( Qt::PointingHandCursor );
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else
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m_view->setCursor( Qt::ArrowCursor );
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if ( m_hoveringOver != index )
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{
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PlayableItem* item = m_model->sourceModel()->itemFromIndex( m_model->mapToSource( index ) );
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item->requestRepaint();
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m_hoveringOver = index;
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doUpdateIndex( m_hoveringOver );
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}
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event->accept();
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return true;
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}
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// reset mouse cursor. we switch to a pointing hand cursor when hovering an info button
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m_view->setCursor( Qt::ArrowCursor );
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if ( hoveringInfo )
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{
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if ( event->type() == QEvent::MouseButtonRelease )
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{
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PlayableItem* item = m_model->sourceModel()->itemFromIndex( m_model->mapToSource( index ) );
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if ( !item )
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return false;
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if ( item->query() )
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{
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ViewManager::instance()->show( item->query()->track()->toQuery() );
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}
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else if ( item->artist() )
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{
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ViewManager::instance()->show( item->artist() );
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}
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else if ( item->album() )
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{
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ViewManager::instance()->show( item->album() );
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}
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event->accept();
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return true;
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}
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else if ( event->type() == QEvent::MouseButtonPress )
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{
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// Stop the whole item from having a down click action as we just want the info button to be clicked
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event->accept();
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return true;
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}
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}
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return false;
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}
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void
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ColumnItemDelegate::resetHoverIndex()
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{
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m_hoveringOver = QModelIndex();
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m_infoButtonRects.clear();
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}
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62
src/libtomahawk/playlist/ColumnItemDelegate.h
Normal file
62
src/libtomahawk/playlist/ColumnItemDelegate.h
Normal file
@ -0,0 +1,62 @@
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/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
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*
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* Copyright 2010-2013, Christian Muehlhaeuser <muesli@tomahawk-player.org>
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*
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* Tomahawk is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tomahawk is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tomahawk. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef COLUMNITEMDELEGATE_H
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#define COLUMNITEMDELEGATE_H
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#include <QStyledItemDelegate>
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#include "DllMacro.h"
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#include "Typedefs.h"
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namespace Tomahawk {
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class PixmapDelegateFader;
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}
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class ColumnView;
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class TreeProxyModel;
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class DLLEXPORT ColumnItemDelegate : public QStyledItemDelegate
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{
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Q_OBJECT
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public:
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ColumnItemDelegate( ColumnView* parent, TreeProxyModel* proxy );
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virtual QSize sizeHint( const QStyleOptionViewItem& option, const QModelIndex& index ) const;
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public slots:
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void resetHoverIndex();
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protected:
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void paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const;
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bool editorEvent( QEvent* event, QAbstractItemModel* model, const QStyleOptionViewItem& option, const QModelIndex& index );
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private slots:
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void doUpdateIndex( const QPersistentModelIndex& index );
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private:
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ColumnView* m_view;
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TreeProxyModel* m_model;
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mutable QHash< QPersistentModelIndex, QSharedPointer< Tomahawk::PixmapDelegateFader > > m_pixmaps;
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mutable QHash< QPersistentModelIndex, QRect > m_infoButtonRects;
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QPersistentModelIndex m_hoveringOver;
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};
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#endif // COLUMNITEMDELEGATE_H
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