222 lines
7.9 KiB
C++
222 lines
7.9 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2017 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 GNU
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* 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 this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "titlewidget.h"
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#include "support/squeezedtextlabel.h"
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#include "support/utils.h"
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#include "support/icon.h"
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#include "gui/stdactions.h"
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#include "toolbutton.h"
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#ifdef Q_OS_MAC
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#include "support/osxstyle.h"
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#endif
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#include "gui/covers.h"
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#include <QAction>
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#include <QImage>
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#include <QPixmap>
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#include <QGridLayout>
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#include <QEvent>
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#include <QMouseEvent>
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#include <QApplication>
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#include <QPainter>
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static int twHeight=-1;
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TitleWidget::TitleWidget(QWidget *p)
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: QWidget(p)
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, controls(0)
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{
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QGridLayout *layout=new QGridLayout(this);
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QVBoxLayout *textLayout=new QVBoxLayout(0);
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image=new QLabel(this);
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mainText=new SqueezedTextLabel(this);
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subText=new SqueezedTextLabel(this);
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QLabel *chevron=new QLabel(QChar(Qt::RightToLeft==layoutDirection() ? 0x203A : 0x2039), this);
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QFont f=mainText->font();
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subText->setFont(Utils::smallFont(f));
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mainText->setFont(f);
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if (f.pixelSize()>0) {
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f.setPixelSize(f.pixelSize()*2);
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} else {
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f.setPointSizeF(f.pointSizeF()*2);
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}
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QPalette pal=mainText->palette();
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QColor col(mainText->palette().windowText().color());
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col.setAlphaF(0.5);
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pal.setColor(QPalette::WindowText, col);
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subText->setPalette(pal);
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chevron->setFont(f);
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int spacing=Utils::layoutSpacing(this);
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mainText->ensurePolished();
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subText->ensurePolished();
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int size=mainText->sizeHint().height()+subText->sizeHint().height()+spacing;
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if (size<72) {
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size=Icon::stdSize(size);
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}
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int pad=Utils::scaleForDpi(6);
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size=qMax(qMax(size, QFontMetrics(mainText->font()).height()+QFontMetrics(subText->font()).height()+spacing), Utils::scaleForDpi(40))+pad;
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image->setFixedSize(size, size);
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setToolTip(tr("Click to go back"));
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spacing=qMin(4, spacing-1);
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layout->addItem(new QSpacerItem(spacing, spacing), 0, 0, 2, 1);
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layout->addWidget(chevron, 0, 1, 2, 1);
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layout->addWidget(image, 0, 2, 2, 1);
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textLayout->addWidget(mainText);
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textLayout->addWidget(subText);
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layout->addItem(textLayout, 0, 3, 2, 1);
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mainText->installEventFilter(this);
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subText->installEventFilter(this);
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image->installEventFilter(this);
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installEventFilter(this);
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setAttribute(Qt::WA_Hover);
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connect(Covers::self(), SIGNAL(cover(Song,QImage,QString)), this, SLOT(coverRetrieved(Song,QImage,QString)));
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connect(Covers::self(), SIGNAL(coverUpdated(Song,QImage,QString)), this, SLOT(coverRetrieved(Song,QImage,QString)));
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connect(Covers::self(), SIGNAL(artistImage(Song,QImage,QString)), this, SLOT(coverRetrieved(Song,QImage,QString)));
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layout->setMargin(0);
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layout->setSpacing(spacing);
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textLayout->setMargin(0);
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textLayout->setSpacing(spacing);
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mainText->setAlignment(Qt::AlignBottom);
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subText->setAlignment(Qt::AlignTop);
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image->setAlignment(Qt::AlignCenter);
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chevron->setAlignment(Qt::AlignCenter);
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chevron->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
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if (-1==twHeight) {
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ToolButton tb;
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twHeight=qMax((tb.iconSize().height()*2), size);
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}
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setFixedHeight(twHeight);
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}
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void TitleWidget::update(const Song &sng, const QIcon &icon, const QString &text, const QString &sub, bool showControls)
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{
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song=sng;
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image->setVisible(true);
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mainText->setText(text);
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subText->setText(sub);
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if (!showControls) {
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if (controls) {
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controls->setVisible(false);
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}
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} else {
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if (!controls) {
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controls=new QWidget(this);
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QVBoxLayout *l=new QVBoxLayout(controls);
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l->setMargin(0);
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l->setSpacing(0);
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ToolButton *add=new ToolButton(this);
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ToolButton *replace=new ToolButton(this);
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add->QAbstractButton::setIcon(StdActions::self()->appendToPlayQueueAction->icon());
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replace->QAbstractButton::setIcon(StdActions::self()->replacePlayQueueAction->icon());
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int size=qMax(add->iconSize().height()+6, (height()/2)-1);
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if (size>(height()-1)) {
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size--;
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}
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add->setFixedSize(QSize(size, size));
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replace->setFixedSize(add->size());
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add->setToolTip(tr("Add All To Play Queue"));
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replace->setToolTip(tr("Add All And Replace Play Queue"));
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l->addWidget(replace);
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l->addWidget(add);
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connect(add, SIGNAL(clicked()), this, SIGNAL(addToPlayQueue()));
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connect(replace, SIGNAL(clicked()), this, SIGNAL(replacePlayQueue()));
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static_cast<QGridLayout *>(layout())->addWidget(controls, 0, 4, 2, 1);
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}
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controls->setVisible(true);
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}
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subText->setVisible(!sub.isEmpty());
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mainText->setAlignment(sub.isEmpty() ? Qt::AlignVCenter : Qt::AlignBottom);
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if (!sng.isEmpty()) {
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Covers::Image cImg=Covers::self()->requestImage(sng, true);
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if (!cImg.img.isNull()) {
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image->setPixmap(QPixmap::fromImage(cImg.img.scaled(image->width()-2, image->height()-2, Qt::KeepAspectRatio, Qt::SmoothTransformation)));
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return;
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}
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}
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if (icon.isNull()) {
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image->setVisible(false);
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} else {
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int iconPad=Utils::scaleForDpi(8);
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int iconSize=image->width()-iconPad;
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if (iconSize<44 && iconSize>=32) {
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iconSize=32;
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}
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image->setPixmap(Icon::getScaledPixmap(icon, iconSize, iconSize, 96));
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}
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}
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bool TitleWidget::eventFilter(QObject *o, QEvent *event)
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{
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switch(event->type()) {
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case QEvent::HoverEnter:
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if (isEnabled() && o==this) {
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#ifdef Q_OS_MAC
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setStyleSheet(QString("QLabel{color:%1;}").arg(OSXStyle::self()->viewPalette().highlight().color().name()));
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#else
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setStyleSheet(QLatin1String("QLabel{color:palette(highlight);}"));
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#endif
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}
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break;
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case QEvent::HoverLeave:
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if (isEnabled() && o==this) {
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setStyleSheet(QString());
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}
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break;
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case QEvent::MouseButtonPress:
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if (Qt::LeftButton==static_cast<QMouseEvent *>(event)->button() && Qt::NoModifier==static_cast<QMouseEvent *>(event)->modifiers()) {
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pressed=true;
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}
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break;
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case QEvent::MouseButtonRelease:
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if (pressed && Qt::LeftButton==static_cast<QMouseEvent *>(event)->button() && !QApplication::overrideCursor()) {
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actions().first()->trigger();
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}
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pressed=false;
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break;
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default:
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break;
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}
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return QWidget::eventFilter(o, event);
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}
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void TitleWidget::coverRetrieved(const Song &s, const QImage &img, const QString &file)
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{
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Q_UNUSED(file);
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if (song.isEmpty() || img.isNull()) {
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return;
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}
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if (song.artistOrComposer()!=s.artistOrComposer()) {
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return;
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}
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if (s.isArtistImageRequest()!=song.isArtistImageRequest()) {
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return;
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}
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if (s.isComposerImageRequest()!=song.isComposerImageRequest()) {
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return;
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}
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if (!s.isComposerImageRequest() && !s.isArtistImageRequest() && s.album!=song.album) {
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return;
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}
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image->setPixmap(QPixmap::fromImage(img.scaled(image->width()-6, image->height()-6, Qt::KeepAspectRatio, Qt::SmoothTransformation)));
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}
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