Method DvkPanel

src/gui/DvkPanel.cpp:37–268

    "QPushButton:checked { background: #00b4d8; color: #000; }";

DvkPanel::DvkPanel(DvkModel* model, QWidget* parent)
    : QWidget(parent), m_model(model)
{
    theme::setContainer(this, QStringLiteral("panel/dvk"));
    auto* outerVbox = new QVBoxLayout(this);
    outerVbox->setContentsMargins(4, 4, 4, 4);
    outerVbox->setSpacing(4);

    // Title
    auto* title = new QLabel("Digital Voice Keyer");
    AetherSDR::ThemeManager::instance().applyStyleSheet(title, "QLabel { color: {{color.accent}}; font-weight: bold; font-size: 12px; }");
    outerVbox->addWidget(title);

    // Grid of slots — each row gets equal stretch
    auto* grid = new QGridLayout;
    grid->setContentsMargins(0, 0, 0, 0);
    grid->setSpacing(2);

    for (int i = 0; i < 12; ++i) {
        int id = i + 1;
        grid->setRowStretch(i, 1);

        // Inset container per row: VBox with content row + progress bar
        auto* rowFrame = new QFrame;
        AetherSDR::ThemeManager::instance().applyStyleSheet(rowFrame, "QFrame { background: #0f1520; border: 1px solid {{color.background.1}}; border-radius: 3px; }");
        rowFrame->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
        auto* rowVbox = new QVBoxLayout(rowFrame);
        rowVbox->setContentsMargins(3, 2, 3, 1);
        rowVbox->setSpacing(0);

        auto* rowLayout = new QHBoxLayout;
        rowLayout->setContentsMargins(0, 0, 0, 0);
        rowLayout->setSpacing(4);

        auto* fkeyBtn = new QPushButton(QString("F%1").arg(id));
        fkeyBtn->setStyleSheet(kFKeyStyle);
        fkeyBtn->setFixedWidth(34);
        fkeyBtn->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
        fkeyBtn->setToolTip(QString("Play recording %1 on-air (F%1)").arg(id));
        rowLayout->addWidget(fkeyBtn);

        auto* nameLabel = new QLabel(QString("Recording %1").arg(id));
        nameLabel->setStyleSheet("QLabel { color: #505060; font-size: 10px; }");
        rowLayout->addWidget(nameLabel, 1);

        auto* durLabel = new QLabel("Empty");
        durLabel->setStyleSheet(kDurStyle);
        durLabel->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
        durLabel->setFixedWidth(40);
        rowLayout->addWidget(durLabel);

        rowVbox->addLayout(rowLayout, 1);

        auto* progressBar = new QProgressBar;
        progressBar->setFixedHeight(3);
        progressBar->setTextVisible(false);
        progressBar->setRange(0, 100);
        progressBar->setValue(0);