refactor: MainWindow class into multiple items / controllers ; fix: Bug with PlaylistBrowserDialog.cpp : List item "No playlists available" was selectable

2026-06-19 13:05:45 +02:00
parent 97166e9f4e
commit e62ab4626c
10 changed files with 573 additions and 391 deletions
@@ -0,0 +1,107 @@
+#include "NowPlayingPanel.h"
+#include "CoverArtWidget.h"
+#include "engine/MusicLibrary.h"
+
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QFont>
+
+NowPlayingPanel::NowPlayingPanel(QWidget *parent)
+    : QGroupBox("Now Playing", parent)
+    , m_cover(new CoverArtWidget)
+{
+    buildLayout();
+
+    connect(m_btnPlay, &QPushButton::clicked, this, &NowPlayingPanel::playPauseClicked);
+    connect(m_btnPrev, &QPushButton::clicked, this, &NowPlayingPanel::prevClicked);
+    connect(m_btnNext, &QPushButton::clicked, this, &NowPlayingPanel::nextClicked);
+
+    connect(m_seekBar, &QSlider::sliderPressed,  this, [this]{ m_seekDragging = true; });
+    connect(m_seekBar, &QSlider::sliderReleased, this, [this]{
+        m_seekDragging = false;
+        emit seekRequested(m_seekBar->value() / 1000.0);
+    });
+
+    connect(m_volSlider, &QSlider::valueChanged, this, &NowPlayingPanel::volumeChanged);
+}
+
+void NowPlayingPanel::buildLayout()
+{
+    m_cover->setFixedSize(130, 130);
+
+    QFont boldF = m_lblTitle->font();
+    boldF.setBold(true);
+    boldF.setPointSizeF(11);
+    m_lblTitle->setFont(boldF);
+
+    m_seekBar->setRange(0, 1000);
+    m_seekBar->setValue(0);
+
+    m_volSlider->setRange(0, 100);
+    m_volSlider->setValue(80);
+    m_volSlider->setFixedWidth(90);
+
+    auto *seekRow = new QHBoxLayout;
+    seekRow->addWidget(m_seekBar);
+    seekRow->addWidget(m_lblTime);
+
+    auto *btns = new QHBoxLayout;
+    btns->setSpacing(3);
+    btns->addWidget(m_btnPrev);
+    btns->addWidget(m_btnPlay);
+    btns->addWidget(m_btnNext);
+    btns->addSpacing(8);
+    btns->addWidget(m_chkShuffle);
+    btns->addWidget(m_chkRepeat);
+
+    auto *transport = new QHBoxLayout;
+    transport->addLayout(btns);
+    transport->addStretch();
+    transport->addWidget(new QLabel("Volume:"));
+    transport->addWidget(m_volSlider);
+
+    auto *right = new QVBoxLayout;
+    right->setSpacing(4);
+    right->addWidget(m_lblTitle);
+    right->addWidget(m_lblArtist);
+    right->addWidget(m_lblAlbum);
+    right->addLayout(seekRow);
+    right->addLayout(transport);
+
+    auto *hlay = new QHBoxLayout(this);
+    hlay->addWidget(m_cover);
+    hlay->addLayout(right, 1);
+}
+
+void NowPlayingPanel::updateTrack(const engine::Track *t)
+{
+    if (!t) return;
+    m_cover->setTrack(t);
+    m_lblTitle->setText(t->displayTitle());
+    m_lblArtist->setText(t->artist);
+    m_lblAlbum->setText(t->album +
+        (t->year > 0 ? "  (" + QString::number(t->year) + ")" : ""));
+    m_seekBar->setValue(0);
+    m_btnPlay->setText("Pause");
+}
+
+void NowPlayingPanel::updatePosition(qint64 posFrames, qint64 totalFrames, float sampleRate)
+{
+    auto fmt = [](qint64 s) {
+        return QString("%1:%2").arg(s / 60).arg(s % 60, 2, 10, QChar('0'));
+    };
+
+    qint64 posSec = (sampleRate > 0) ? qint64(posFrames / sampleRate) : 0;
+    qint64 totSec = (sampleRate > 0 && totalFrames > 0)
+                    ? qint64(totalFrames / sampleRate) : 0;
+
+    m_lblTime->setText(fmt(posSec) + " / " + fmt(totSec));
+
+    if (!m_seekDragging && totalFrames > 0)
+        m_seekBar->setValue(int(posFrames * 1000 / totalFrames));
+}
+
+void NowPlayingPanel::setPlaybackActive(bool playing)
+{
+    m_btnPlay->setText(playing ? "Pause" : "Play");
+}