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#include "PrettyItemDelegate.h"
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#include "../ListModel.h"
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#include "../fontutils.h"
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#include "../downloaditem.h"
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#include "../iconloader/qticonloader.h"
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#include "../videodefinition.h"
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#include <QFontMetricsF>
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const qreal PrettyItemDelegate::THUMB_HEIGHT = 90.0;
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const qreal PrettyItemDelegate::THUMB_WIDTH = 120.0;
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const qreal PrettyItemDelegate::PADDING = 10.0;
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QHash<int, QRect> authorRects;
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PrettyItemDelegate::PrettyItemDelegate(QObject* parent, bool downloadInfo)
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: QStyledItemDelegate(parent),
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downloadInfo(downloadInfo) {
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boldFont.setBold(true);
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smallerBoldFont = FontUtils::smallBold();
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smallerFont = FontUtils::small();
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progressBar = new QProgressBar(qApp->activeWindow());
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QPalette palette = progressBar->palette();
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palette.setColor(QPalette::Window, Qt::transparent);
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progressBar->setPalette(palette);
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progressBar->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
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} else createPlayIcon();
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void PrettyItemDelegate::createPlayIcon() {
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playIcon = QPixmap(THUMB_WIDTH, THUMB_HEIGHT);
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playIcon.fill(Qt::transparent);
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QPainter painter(&playIcon);
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polygon << QPoint(PADDING*4, PADDING*2)
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<< QPoint(THUMB_WIDTH-PADDING*4, THUMB_HEIGHT/2)
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<< QPoint(PADDING*4, THUMB_HEIGHT-PADDING*2);
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painter.setRenderHints(QPainter::Antialiasing, true);
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painter.setBrush(Qt::white);
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pen.setColor(Qt::white);
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pen.setWidth(PADDING);
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pen.setJoinStyle(Qt::RoundJoin);
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pen.setCapStyle(Qt::RoundCap);
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painter.drawPolygon(polygon);
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PrettyItemDelegate::~PrettyItemDelegate() { }
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QSize PrettyItemDelegate::sizeHint( const QStyleOptionViewItem& /*option*/, const QModelIndex& /*index*/ ) const {
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return QSize( 256, THUMB_HEIGHT+1.0);
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void PrettyItemDelegate::paint( QPainter* painter,
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const QStyleOptionViewItem& option, const QModelIndex& index ) const {
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int itemType = index.data(ItemTypeRole).toInt();
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if (itemType == ItemTypeVideo) {
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QStyleOptionViewItemV4 opt = QStyleOptionViewItemV4(option);
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initStyleOption(&opt, index);
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opt.widget->style()->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget);
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paintBody(painter, opt, index);
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QStyledItemDelegate::paint( painter, option, index );
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void PrettyItemDelegate::paintBody( QPainter* painter,
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const QStyleOptionViewItem& option,
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const QModelIndex& index ) const {
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painter->translate( option.rect.topLeft() );
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QRectF line(0, 0, option.rect.width(), option.rect.height());
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if (downloadInfo) line.setWidth(line.width() / 2);
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painter->setClipRect(line);
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const bool isActive = index.data( ActiveTrackRole ).toBool();
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const bool isSelected = option.state & QStyle::State_Selected;
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// draw the "current track" highlight underneath the text
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if (isActive && !isSelected) {
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paintActiveOverlay(painter, line.x(), line.y(), line.width(), line.height());
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// get the video metadata
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const VideoPointer videoPointer = index.data( VideoRole ).value<VideoPointer>();
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const Video *video = videoPointer.data();
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if (!video->thumbnail().isNull()) {
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painter->drawImage(QRect(0, 0, THUMB_WIDTH, THUMB_HEIGHT), video->thumbnail());
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// play icon overlayed on the thumb
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paintPlayIcon(painter);
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int duration = video->duration();
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if ( duration > 3600 )
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timeString = QTime().addSecs(duration).toString("h:mm:ss");
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timeString = QTime().addSecs(duration).toString("m:ss");
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drawTime(painter, timeString, line);
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if (isActive) painter->setFont(boldFont);
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painter->setPen(QPen(option.palette.brush(QPalette::HighlightedText), 0));
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painter->setPen(QPen(option.palette.brush(QPalette::Text), 0));
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QString videoTitle = video->title();
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QRectF textBox = line.adjusted(PADDING+THUMB_WIDTH, PADDING, -2 * PADDING, -PADDING);
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textBox = painter->boundingRect( textBox, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, videoTitle);
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painter->drawText(textBox, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, videoTitle);
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painter->setFont(smallerFont);
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QString publishedString = video->published().date().toString(Qt::DefaultLocaleShortDate);
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QSizeF stringSize(QFontMetrics(painter->font()).size( Qt::TextSingleLine, publishedString ) );
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QPointF textLoc(PADDING+THUMB_WIDTH, PADDING*2 + textBox.height());
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QRectF publishedTextBox(textLoc , stringSize);
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painter->drawText(publishedTextBox, Qt::AlignLeft | Qt::AlignTop, publishedString);
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bool authorHovered = false;
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bool authorPressed = false;
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const bool isHovered = index.data(HoveredItemRole).toBool();
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authorHovered = index.data(AuthorHoveredRole).toBool();
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authorPressed = index.data(AuthorPressedRole).toBool();
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painter->setFont(smallerBoldFont);
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painter->setPen(QPen(option.palette.brush(QPalette::Highlight), 0));
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painter->setPen(QPen(option.palette.brush(QPalette::Mid), 0));
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QString authorString = video->author();
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textLoc.setX(textLoc.x() + stringSize.width() + PADDING);
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stringSize = QSizeF(QFontMetrics(painter->font()).size( Qt::TextSingleLine, authorString ) );
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QRectF authorTextBox(textLoc , stringSize);
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authorRects.insert(index.row(), authorTextBox.toRect());
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painter->drawText(authorTextBox, Qt::AlignLeft | Qt::AlignTop, authorString);
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if (video->viewCount() >= 0) {
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QString viewCountString = tr("%1 views").arg(locale.toString(video->viewCount()));
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textLoc.setX(textLoc.x() + stringSize.width() + PADDING);
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stringSize = QSizeF(QFontMetrics(painter->font()).size( Qt::TextSingleLine, viewCountString ) );
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QRectF viewCountTextBox(textLoc , stringSize);
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painter->drawText(viewCountTextBox, Qt::AlignLeft | Qt::AlignBottom, viewCountString);
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QString definitionString = VideoDefinition::getDefinitionName(video->getDefinitionCode());
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textLoc.setX(textLoc.x() + stringSize.width() + PADDING);
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stringSize = QSizeF(QFontMetrics(painter->font()).size( Qt::TextSingleLine, definitionString ) );
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QRectF viewCountTextBox(textLoc , stringSize);
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painter->drawText(viewCountTextBox, Qt::AlignLeft | Qt::AlignBottom, definitionString);
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QLinearGradient myGradient;
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QPointF baseline(authorTextBox.x(), authorTextBox.y() + authorTextBox.height());
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myPath.addText(baseline, boldFont, authorString);
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painter->setBrush(palette.color(QPalette::WindowText));
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painter->setPen(palette.color(QPalette::Dark));
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painter->setRenderHints (QPainter::Antialiasing, true);
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painter->drawPath(myPath);
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painter->setClipping(false);
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painter->setPen(option.palette.color(QPalette::Midlight));
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painter->drawLine(THUMB_WIDTH, THUMB_HEIGHT, option.rect.width(), THUMB_HEIGHT);
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if (!video->thumbnail().isNull())
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painter->setPen(Qt::black);
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painter->drawLine(0, THUMB_HEIGHT, THUMB_WIDTH-1, THUMB_HEIGHT);
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if (downloadInfo) paintDownloadInfo(painter, option, index);
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void PrettyItemDelegate::paintActiveOverlay( QPainter *painter, qreal x, qreal y, qreal w, qreal h ) const {
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QColor highlightColor = palette.color(QPalette::Highlight);
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QColor backgroundColor = palette.color(QPalette::Base);
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const float animation = 0.25;
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const int gradientRange = 16;
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QColor color2 = QColor::fromHsv(
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highlightColor.hue(),
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(int) (backgroundColor.saturation() * (1.0f - animation) + highlightColor.saturation() * animation),
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(int) (backgroundColor.value() * (1.0f - animation) + highlightColor.value() * animation)
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QColor color1 = QColor::fromHsv(
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qMax(color2.saturation() - gradientRange, 0),
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qMin(color2.value() + gradientRange, 255)
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QRect rect((int) x, (int) y, (int) w, (int) h);
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painter->setPen(Qt::NoPen);
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QLinearGradient linearGradient(0, 0, 0, rect.height());
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linearGradient.setColorAt(0.0, color1);
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linearGradient.setColorAt(1.0, color2);
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painter->setBrush(linearGradient);
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painter->drawRect(rect);
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void PrettyItemDelegate::paintPlayIcon(QPainter *painter) const {
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painter->setOpacity(.5);
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painter->drawPixmap(playIcon.rect(), playIcon);
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void PrettyItemDelegate::drawTime(QPainter *painter, QString time, QRectF line) const {
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static const int timePadding = 4;
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QRectF textBox = painter->boundingRect(line, Qt::AlignLeft | Qt::AlignTop, time);
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textBox.adjust(0, 0, timePadding, 0);
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// move to bottom right corner of the thumb
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textBox.translate(THUMB_WIDTH - textBox.width(), THUMB_HEIGHT - textBox.height());
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painter->setPen(Qt::NoPen);
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painter->setBrush(Qt::black);
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painter->setOpacity(.5);
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painter->drawRect(textBox);
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painter->setPen(Qt::white);
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painter->drawText(textBox, Qt::AlignCenter, time);
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void PrettyItemDelegate::paintDownloadInfo( QPainter* painter,
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const QStyleOptionViewItem& option,
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const QModelIndex& index ) const {
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// get the video metadata
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const DownloadItemPointer downloadItemPointer = index.data(DownloadItemRole).value<DownloadItemPointer>();
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const DownloadItem *downloadItem = downloadItemPointer.data();
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const QRect line(0, 0, option.rect.width() / 2, option.rect.height());
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painter->translate(option.rect.topLeft());
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painter->translate(line.width(), 0);
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DownloadItemStatus status = downloadItem->status();
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if (status == Downloading) {
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QString downloaded = DownloadItem::formattedFilesize(downloadItem->bytesReceived());
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QString total = DownloadItem::formattedFilesize(downloadItem->bytesTotal());
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QString speed = DownloadItem::formattedSpeed(downloadItem->currentSpeed());
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QString eta = DownloadItem::formattedTime(downloadItem->remainingTime());
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message = tr("%1 of %2 (%3) — %4").arg(
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} else if (status == Starting) {
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message = tr("Preparing");
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} else if (status == Failed) {
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message = tr("Failed") + " — " + downloadItem->errorMessage();
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} else if (status == Finished) {
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message = tr("Completed");
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} else if (status == Idle) {
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message = tr("Stopped");
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// progressBar->setPalette(option.palette);
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if (status == Finished) {
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progressBar->setValue(100);
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progressBar->setEnabled(true);
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} else if (status == Downloading) {
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progressBar->setValue(downloadItem->currentPercent());
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progressBar->setEnabled(true);
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progressBar->setValue(0);
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progressBar->setEnabled(false);
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int progressBarWidth = line.width() - PADDING*4 - 16;
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progressBar->setMaximumWidth(progressBarWidth);
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progressBar->setMinimumWidth(progressBarWidth);
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painter->translate(PADDING, PADDING);
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progressBar->render(painter);
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bool downloadButtonHovered = false;
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bool downloadButtonPressed = false;
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const bool isHovered = index.data(HoveredItemRole).toBool();
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downloadButtonHovered = index.data(DownloadButtonHoveredRole).toBool();
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downloadButtonPressed = index.data(DownloadButtonPressedRole).toBool();
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QIcon::Mode iconMode;
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if (downloadButtonPressed) iconMode = QIcon::Selected;
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else if (downloadButtonHovered) iconMode = QIcon::Active;
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else iconMode = QIcon::Normal;
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if (status != Finished && status != Failed && status != Idle) {
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if (downloadButtonHovered) message = tr("Stop downloading");
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QIcon closeIcon = QtIconLoader::icon("window-close");
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painter->drawPixmap(downloadButtonRect(line), closeIcon.pixmap(16, 16, iconMode));
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else if (status == Finished) {
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if (downloadButtonHovered)
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message = tr("Show in %1").arg("Finder");
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message = tr("Open parent folder");
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QIcon searchIcon = QtIconLoader::icon("system-search");
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painter->drawPixmap(downloadButtonRect(line), searchIcon.pixmap(16, 16, iconMode));
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else if (status == Failed || status == Idle) {
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if (downloadButtonHovered) message = tr("Restart downloading");
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QIcon searchIcon = QtIconLoader::icon("view-refresh");
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painter->drawPixmap(downloadButtonRect(line), searchIcon.pixmap(16, 16, iconMode));
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QRectF textBox = line.adjusted(PADDING, PADDING*2 + progressBar->sizeHint().height(), -2 * PADDING, -PADDING);
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textBox = painter->boundingRect( textBox, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, message);
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painter->drawText(textBox, Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, message);
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QRect PrettyItemDelegate::downloadButtonRect(QRect line) const {
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line.width() - PADDING*2 - 16,
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PADDING + progressBar->sizeHint().height() / 2 - 8,
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QRect PrettyItemDelegate::authorRect(const QModelIndex& index) const {
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return authorRects.value(index.row());
added
removed
src/playlist/PrettyItemDelegate.cpp
