Erste lauffähige Version

src/tagpanel.cpp

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+#include "tagpanel.h"
+#include <QHeaderView>
+#include <QRegularExpression>
+
+TagPanel::TagPanel(const QString &tag, QWidget *parent)
+    : QGroupBox(QStringLiteral("[%1]").arg(tag), parent)
+    , m_tag(tag)
+{
+    auto *layout = new QVBoxLayout(this);
+    layout->setContentsMargins(6, 12, 6, 6);
+    layout->setSpacing(4);
+
+    // Timestamp line
+    m_timestampLabel = new QLabel(tr("No data yet"), this);
+    m_timestampLabel->setStyleSheet("color: gray; font-size: 10px;");
+    layout->addWidget(m_timestampLabel);
+
+    // Table for key=value pairs
+    m_table = new QTableWidget(0, 2, this);
+    m_table->setHorizontalHeaderLabels({tr("Key"), tr("Value")});
+    m_table->horizontalHeader()->setStretchLastSection(true);
+    m_table->verticalHeader()->hide();
+    m_table->setEditTriggers(QAbstractItemView::NoEditTriggers);
+    m_table->setAlternatingRowColors(true);
+    m_table->setMaximumHeight(200);
+    m_table->verticalHeader()->setDefaultSectionSize(22);
+    layout->addWidget(m_table);
+
+    // Fallback label for non-kv data
+    m_rawLabel = new QLabel(this);
+    m_rawLabel->setWordWrap(true);
+    m_rawLabel->setStyleSheet("font-family: monospace;");
+    m_rawLabel->hide();
+    layout->addWidget(m_rawLabel);
+}
+
+void TagPanel::update(const QString &value)
+{
+    m_timestampLabel->setText(
+        QDateTime::currentDateTime().toString("hh:mm:ss.zzz"));
+
+    // Detect key=value format: word=anything (space separated)
+    static const QRegularExpression kvRe(R"((\w+)=(\S+))");
+    auto it = kvRe.globalMatch(value);
+    if (it.hasNext()) {
+        parseKeyValue(value);
+        m_rawLabel->hide();
+        m_table->show();
+    } else {
+        showRaw(value);
+        m_table->hide();
+        m_rawLabel->show();
+    }
+}
+
+void TagPanel::parseKeyValue(const QString &value)
+{
+    static const QRegularExpression kvRe(R"((\w+)=(\S+))");
+    auto it = kvRe.globalMatch(value);
+    while (it.hasNext()) {
+        const auto match = it.next();
+        const QString key = match.captured(1);
+        const QString val = match.captured(2);
+        ensureRow(key);
+        const int row = m_keys.indexOf(key);
+        m_table->item(row, 1)->setText(val);
+        // Flash highlight
+        m_table->item(row, 1)->setBackground(QColor(0x2d, 0x5a, 0x2d));
+    }
+}
+
+void TagPanel::showRaw(const QString &value)
+{
+    m_rawLabel->setText(value);
+}
+
+void TagPanel::ensureRow(const QString &key)
+{
+    if (m_keys.contains(key))
+        return;
+    m_keys.append(key);
+    const int row = m_table->rowCount();
+    m_table->insertRow(row);
+    m_table->setItem(row, 0, new QTableWidgetItem(key));
+    m_table->setItem(row, 1, new QTableWidgetItem(QString()));
+}