129 lines
3.7 KiB
C++
129 lines
3.7 KiB
C++
// SPDX-FileCopyrightText: 2024 Gary Wang <git@blumia.net>
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//
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// SPDX-License-Identifier: MIT
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#include "lrcbar.h"
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#include "lyricsmanager.h"
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#include <QMouseEvent>
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#include <QPainter>
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#include <QWindow>
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LrcBar::LrcBar(QWidget *parent)
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: QWidget(parent, Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::Tool)
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, m_lrcMgr(new LyricsManager(this))
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{
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m_font.setPointSize(30);
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m_font.setStyleStrategy(QFont::PreferAntialias);
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QSize windowSize(sizeHint());
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QFontMetrics fm(m_font);
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m_baseLinearGradient.setColorAt(0, QColor(20, 100, 200));
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m_baseLinearGradient.setColorAt(1, QColor(0, 80, 255));
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m_baseLinearGradient.setStart(0, (windowSize.height() - fm.height()) / 2);
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m_baseLinearGradient.setFinalStop(0, (windowSize.height() + fm.height()) / 2);
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m_maskLinearGradient.setColorAt(0, QColor(255, 128, 0));
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m_maskLinearGradient.setColorAt(0.5, QColor(255, 255, 0));
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m_maskLinearGradient.setColorAt(1, QColor(255, 128, 0));
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m_maskLinearGradient.setStart(0, (windowSize.height() - fm.height()) / 2);
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m_maskLinearGradient.setFinalStop(0, (windowSize.height() + fm.height()) / 2);
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setAttribute(Qt::WA_TranslucentBackground);
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setMouseTracking(true);
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setGeometry(QRect(QPoint((qApp->primaryScreen()->geometry().width() - windowSize.width()) / 2,
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qApp->primaryScreen()->geometry().height() - windowSize.height() - 50),
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windowSize));
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}
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LrcBar::~LrcBar()
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{
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}
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bool LrcBar::loadLyrics(QString filepath)
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{
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m_currentTimeMs = 0;
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return m_lrcMgr->loadLyrics(filepath);
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}
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void LrcBar::playbackPositionChanged(int timestampMs, int totalTimeMs)
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{
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if (!isVisible()) return;
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m_currentTimeMs = timestampMs;
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m_lrcMgr->updateCurrentTimeMs(timestampMs, totalTimeMs);
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update();
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}
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QSize LrcBar::sizeHint() const
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{
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return QSize(1000, 88);
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}
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void LrcBar::mouseMoveEvent(QMouseEvent *event)
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{
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if (event->buttons() & Qt::LeftButton) {
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window()->windowHandle()->startSystemMove();
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event->accept();
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}
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return QWidget::mouseMoveEvent(event);
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}
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void LrcBar::paintEvent(QPaintEvent *)
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{
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QPainter painter(this);
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if (underMouse()) {
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painter.setBrush(QBrush(QColor(255, 255, 255, 120)));
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painter.setPen(Qt::NoPen);
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painter.drawRect(0, 0, width(), height());
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}
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painter.setFont(m_font);
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painter.setRenderHint(QPainter::Antialiasing, true);
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QString curLrc(m_lrcMgr->lyrics().trimmed());
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if (curLrc.isEmpty()) {
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curLrc = m_lrcMgr->hasLyrics() ? tr("(Interlude...)")
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: QCoreApplication::translate("MainWindow", "Pineapple Music", nullptr);
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}
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QFontMetrics fm(m_font);
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int lrcWidth = fm.horizontalAdvance(curLrc);
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int maskWidth = lrcWidth * m_lrcMgr->maskPercent(m_currentTimeMs);
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int startOffsetX = 0;
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if (fm.horizontalAdvance(curLrc) < width()) {
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startOffsetX = (width() - lrcWidth) / 2;
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} else {
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if (maskWidth < width() / 2) {
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startOffsetX = 0;
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} else if (lrcWidth - maskWidth < width() / 2) {
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startOffsetX = width() - lrcWidth;
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} else {
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startOffsetX = 0 - (maskWidth - width() / 2);
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}
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}
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// shadow
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painter.setPen(QColor(0, 0, 0, 80));
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painter.drawText(startOffsetX + 2, 2, lrcWidth, this->height(), Qt::AlignVCenter, curLrc);
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// text itself
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painter.setPen(QPen(m_baseLinearGradient, 0));
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painter.drawText(startOffsetX, 0, lrcWidth, this->height(), Qt::AlignVCenter, curLrc);
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// mask
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painter.setPen(QPen(m_maskLinearGradient, 0));
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painter.drawText(startOffsetX, 0, maskWidth, this->height(), Qt::AlignVCenter, curLrc);
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}
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void LrcBar::enterEvent(QEnterEvent *)
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{
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update();
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}
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void LrcBar::leaveEvent(QEvent *)
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{
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update();
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}
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