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include/mainwindow.h

@@ -1,5 +1,8 @@
 #pragma once
 #include <QMainWindow>
+#include <QCloseEvent>
+#include <QSettings>
+#include <QSplitter>
 #include <QThread>
 #include <QTabWidget>
 #include <QSplitter>
@@ -14,6 +17,7 @@
 #include "rawview.h"
 #include "tableview.h"
 #include "tagwidget.h"
+#include "videowidget.h"
 #include "connectdialog.h"
 #include <QSet>
 
@@ -37,21 +41,29 @@ private slots:
     void onTagDetected(const QString &tag, const QString &value);
     void showFormatReference();
     void configureTagFilter();
+    void showAbout();
+
+protected:
+    void closeEvent(QCloseEvent *event) override;
 
 private:
     void setupUi();
     void setupToolBar();
     void setupStatusBar();
     void clearAllViews();
+    void doShutdown();
+    void saveSettings();
+    void restoreSettings();
 
     // Worker & thread
     QThread      *m_thread = nullptr;
     SerialWorker *m_worker = nullptr;
 
     // Views
-    RawView    *m_rawView   = nullptr;
-    TableView  *m_tableView = nullptr;
-    TagWidget  *m_tagWidget = nullptr;
+    RawView     *m_rawView    = nullptr;
+    TableView   *m_tableView  = nullptr;
+    TagWidget   *m_tagWidget  = nullptr;
+    VideoWidget *m_videoWidget= nullptr;
 
     // Status bar widgets
     QLabel *m_portLabel       = nullptr;
@@ -66,6 +78,11 @@ private:
     QAction *m_connectAction    = nullptr;
     QAction *m_disconnectAction = nullptr;
 
+    // Splitters (saved/restored via QSettings)
+    QSplitter       *m_mainSplitter  = nullptr;
+    QSplitter       *m_rightSplitter = nullptr;
+
     SerialConfig    m_lastConfig;
     QSet<QString>   m_suppressedTags;   // tags hidden from Raw view
+    bool            m_shutdownDone = false;
 };