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transmission/qt/torrent-delegate-min.cc
2010-08-02 18:31:27 +00:00

169 lines
6.3 KiB
C++

/*
* This file Copyright (C) Mnemosyne LLC
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*
* $Id$
*/
#include <iostream>
#include <QApplication>
#include <QBrush>
#include <QFont>
#include <QFontMetrics>
#include <QIcon>
#include <QModelIndex>
#include <QPainter>
#include <QPixmap>
#include <QPixmapCache>
#include <QStyleOptionProgressBarV2>
#include <libtransmission/transmission.h>
#include <libtransmission/utils.h>
#include "torrent.h"
#include "torrent-delegate-min.h"
#include "torrent-model.h"
enum
{
GUI_PAD = 6,
BAR_WIDTH = 50,
BAR_HEIGHT = 12,
LINE_SPACING = 4
};
/***
****
**** +---------+-----------------------------------------------+
**** | Icon | Title shortStatusString [Progressbar] |
**** +-------- +-----------------------------------------------+
****
***/
QSize
TorrentDelegateMin :: sizeHint( const QStyleOptionViewItem& option, const Torrent& tor ) const
{
const QStyle* style( QApplication::style( ) );
static const int iconSize( style->pixelMetric( QStyle :: PM_SmallIconSize ) );
QFont nameFont( option.font );
const QFontMetrics nameFM( nameFont );
const bool isMagnet( !tor.hasMetadata( ) );
const QString nameStr = (isMagnet ? progressString( tor ) : tor.name( ) );
const int nameWidth = nameFM.width( nameStr );
QFont statusFont( option.font );
statusFont.setPointSize( int( option.font.pointSize( ) * 0.85 ) );
const QFontMetrics statusFM( statusFont );
const QString statusStr( shortStatusString( tor ) );
const int statusWidth = statusFM.width( statusStr );
const QSize m( margin( *style ) );
return QSize( m.width()*2 + iconSize + GUI_PAD + nameWidth
+ GUI_PAD + statusWidth
+ GUI_PAD + BAR_WIDTH,
m.height()*2 + std::max( nameFM.height(), (int)BAR_HEIGHT ) );
}
void
TorrentDelegateMin :: drawTorrent( QPainter * painter, const QStyleOptionViewItem& option, const Torrent& tor ) const
{
const bool isPaused( tor.isPaused( ) );
const QStyle * style( QApplication::style( ) );
static const int iconSize( style->pixelMetric( QStyle :: PM_SmallIconSize ) );
QFont nameFont( option.font );
const QFontMetrics nameFM( nameFont );
const bool isMagnet( !tor.hasMetadata( ) );
const QString nameStr = (isMagnet ? progressString( tor ) : tor.name( ) );
QFont statusFont( option.font );
statusFont.setPointSize( int( option.font.pointSize( ) * 0.85 ) );
const QFontMetrics statusFM( statusFont );
const QString statusStr( shortStatusString( tor ) );
const QSize statusSize( statusFM.size( 0, statusStr ) );
painter->save( );
if (option.state & QStyle::State_Selected) {
QPalette::ColorGroup cg = option.state & QStyle::State_Enabled
? QPalette::Normal : QPalette::Disabled;
if (cg == QPalette::Normal && !(option.state & QStyle::State_Active))
cg = QPalette::Inactive;
painter->fillRect(option.rect, option.palette.brush(cg, QPalette::Highlight));
}
QIcon::Mode im;
if( isPaused || !(option.state & QStyle::State_Enabled ) ) im = QIcon::Disabled;
else if( option.state & QStyle::State_Selected ) im = QIcon::Selected;
else im = QIcon::Normal;
QIcon::State qs;
if( isPaused ) qs = QIcon::Off;
else qs = QIcon::On;
QPalette::ColorGroup cg = QPalette::Normal;
if( isPaused || !(option.state & QStyle::State_Enabled ) ) cg = QPalette::Disabled;
if( cg == QPalette::Normal && !(option.state & QStyle::State_Active ) ) cg = QPalette::Inactive;
QPalette::ColorRole cr;
if( option.state & QStyle::State_Selected ) cr = QPalette::HighlightedText;
else cr = QPalette::Text;
QStyle::State progressBarState( option.state );
if( isPaused ) progressBarState = QStyle::State_None;
progressBarState |= QStyle::State_Small;
// layout
const QSize m( margin( *style ) );
QRect fillArea( option.rect );
fillArea.adjust( m.width(), m.height(), -m.width(), -m.height() );
const QRect iconArea( fillArea.x( ),
fillArea.y( ) + ( fillArea.height( ) - iconSize ) / 2,
iconSize,
iconSize );
const QRect barArea( fillArea.x( ) + fillArea.width( ) - BAR_WIDTH,
fillArea.y( ) + ( fillArea.height( ) - BAR_HEIGHT ) / 2,
BAR_WIDTH,
BAR_HEIGHT );
const QRect statusArea( barArea.x( ) - GUI_PAD - statusSize.width( ),
fillArea.y( ) + ( fillArea.height( ) - statusSize.height( ) ) / 2,
fillArea.width( ),
fillArea.height( ) );
const QRect nameArea( iconArea.x( ) + iconArea.width( ) + GUI_PAD,
fillArea.y( ),
statusArea.x( ) - ( iconArea.x( ) + iconArea.width( ) + GUI_PAD * 2 ),
fillArea.height( ) );
// render
if( tor.hasError( ) )
painter->setPen( QColor( "red" ) );
else
painter->setPen( option.palette.color( cg, cr ) );
tor.getMimeTypeIcon().paint( painter, iconArea, Qt::AlignCenter, im, qs );
painter->setFont( nameFont );
painter->drawText( nameArea, 0, nameFM.elidedText( nameStr, Qt::ElideRight, nameArea.width( ) ) );
painter->setFont( statusFont );
painter->drawText( statusArea, 0, statusStr );
myProgressBarStyle->rect = barArea;
myProgressBarStyle->direction = option.direction;
myProgressBarStyle->palette = option.palette;
myProgressBarStyle->palette.setCurrentColorGroup( cg );
myProgressBarStyle->state = progressBarState;
char buf[32];
tr_snprintf( buf, sizeof( buf ), "%d%%", (int)tr_truncd( 100.0 * tor.percentDone( ), 0 ) );
myProgressBarStyle->text = buf;
myProgressBarStyle->textVisible = true;
myProgressBarStyle->progress = int(myProgressBarStyle->minimum + (((isMagnet ? tor.metadataPercentDone() : tor.percentDone()) * (myProgressBarStyle->maximum - myProgressBarStyle->minimum))));
style->drawControl( QStyle::CE_ProgressBar, myProgressBarStyle, painter );
painter->restore( );
}