- Tags haben jetzt einen Verlauf

- Suchfunktion hat jetzt weiter und zurück
- Tags mit Bindestrich werden erkannt

src/tagpanel.cpp

@@ -3,6 +3,10 @@
 #include <QRegularExpression>
 #include <QApplication>
 #include <QClipboard>
+#include <QDateTime>
+#include <QScrollBar>
+#include <QFont>
+#include <QTextCursor>
 
 TagPanel::TagPanel(const QString &tag, QWidget *parent)
     : QGroupBox(QStringLiteral("[%1]").arg(tag), parent)
@@ -12,7 +16,15 @@ TagPanel::TagPanel(const QString &tag, QWidget *parent)
     layout->setContentsMargins(6, 14, 6, 6);
     layout->setSpacing(4);
 
-    m_table = new QTableWidget(0, 2, this);
+    m_tabs = new QTabWidget(this);
+
+    // ── "Aktuell" tab: latest value(s), updates in-place ───────────────
+    auto *currentTab = new QWidget(m_tabs);
+    auto *currentLayout = new QVBoxLayout(currentTab);
+    currentLayout->setContentsMargins(0, 4, 0, 0);
+    currentLayout->setSpacing(4);
+
+    m_table = new QTableWidget(0, 2, currentTab);
     m_table->setHorizontalHeaderLabels({tr("Key"), tr("Value")});
     m_table->horizontalHeader()->setStretchLastSection(true);
     m_table->verticalHeader()->hide();
@@ -20,18 +32,48 @@ TagPanel::TagPanel(const QString &tag, QWidget *parent)
     m_table->setAlternatingRowColors(true);
     m_table->setMaximumHeight(220);
     m_table->verticalHeader()->setDefaultSectionSize(22);
-    layout->addWidget(m_table);
+    currentLayout->addWidget(m_table);
 
-    m_rawLabel = new QLabel(this);
+    m_rawLabel = new QLabel(currentTab);
     m_rawLabel->setWordWrap(true);
     m_rawLabel->setStyleSheet("font-family: monospace;");
     m_rawLabel->hide();
-    layout->addWidget(m_rawLabel);
+    currentLayout->addWidget(m_rawLabel);
+
+    m_tabs->addTab(currentTab, tr("Aktuell"));
+
+    // ── "Verlauf" tab: every value ever received, timestamped ──────────
+    auto *historyTab = new QWidget(m_tabs);
+    auto *historyLayout = new QVBoxLayout(historyTab);
+    historyLayout->setContentsMargins(0, 4, 0, 0);
+    historyLayout->setSpacing(4);
+
+    m_historyEdit = new QPlainTextEdit(historyTab);
+    m_historyEdit->setReadOnly(true);
+    m_historyEdit->setMaximumHeight(220);
+    m_historyEdit->setLineWrapMode(QPlainTextEdit::NoWrap);
+    QFont mono("Monospace");
+    mono.setStyleHint(QFont::Monospace);
+    mono.setPointSize(9);
+    m_historyEdit->setFont(mono);
+    historyLayout->addWidget(m_historyEdit);
+
+    auto *historyBtnRow = new QHBoxLayout();
+    auto *clearHistBtn = new QPushButton(tr("Verlauf leeren"), historyTab);
+    clearHistBtn->setToolTip(tr("Nur den Verlauf dieses Tags leeren (Panel bleibt bestehen)"));
+    connect(clearHistBtn, &QPushButton::clicked, this, &TagPanel::clearHistory);
+    historyBtnRow->addStretch();
+    historyBtnRow->addWidget(clearHistBtn);
+    historyLayout->addLayout(historyBtnRow);
+
+    m_tabs->addTab(historyTab, tr("Verlauf"));
+
+    layout->addWidget(m_tabs);
 
     auto *btnRow = new QHBoxLayout();
     btnRow->addStretch();
     auto *copyBtn = new QPushButton(tr("📋 Copy"), this);
-    copyBtn->setToolTip(tr("Copy current tag values to clipboard"));
+    copyBtn->setToolTip(tr("Copy the active tab's content to clipboard"));
     copyBtn->setMaximumWidth(90);
     connect(copyBtn, &QPushButton::clicked, this, &TagPanel::copyToClipboard);
     btnRow->addWidget(copyBtn);
@@ -40,6 +82,8 @@ TagPanel::TagPanel(const QString &tag, QWidget *parent)
 
 void TagPanel::update(const QString &value)
 {
+    appendHistory(value);
+
     static const QRegularExpression kvRe(R"((\w+)=(\S+))");
     if (kvRe.match(value).hasMatch()) {
         parseKeyValue(value);
@@ -52,6 +96,31 @@ void TagPanel::update(const QString &value)
     }
 }
 
+void TagPanel::appendHistory(const QString &value)
+{
+    const QString ts = QDateTime::currentDateTime().toString("hh:mm:ss.zzz");
+    m_historyEdit->appendPlainText(QStringLiteral("[%1]  %2").arg(ts, value));
+    m_historyEdit->verticalScrollBar()->setValue(
+        m_historyEdit->verticalScrollBar()->maximum());
+
+    ++m_historyCount;
+    if (m_historyCount > kMaxHistoryEntries) {
+        // Drop the oldest entry (topmost line) to keep memory use bounded
+        // for very chatty or long-running tags.
+        QTextCursor cursor(m_historyEdit->document());
+        cursor.movePosition(QTextCursor::Start);
+        cursor.movePosition(QTextCursor::Down, QTextCursor::KeepAnchor);
+        cursor.removeSelectedText();
+        --m_historyCount;
+    }
+}
+
+void TagPanel::clearHistory()
+{
+    m_historyEdit->clear();
+    m_historyCount = 0;
+}
+
 void TagPanel::parseKeyValue(const QString &value)
 {
     static const QRegularExpression kvRe(R"((\w+)=(\S+))");
@@ -124,6 +193,13 @@ void TagPanel::copyToClipboard()
     QStringList lines;
     lines << QStringLiteral("[%1]").arg(m_tag);
 
+    if (m_tabs->currentIndex() == 1) {
+        // "Verlauf" tab active - copy the full timestamped history as-is.
+        QApplication::clipboard()->setText(
+            lines.join('\n') + '\n' + m_historyEdit->toPlainText());
+        return;
+    }
+
     if (m_table->isVisible()) {
         QString lastKey;
         for (int r = 0; r < m_table->rowCount(); ++r) {