Updated with native ui (imgui + qt)

Client/NativeUI-Qt/src/mainwindow.h

@@ -0,0 +1,109 @@
+#pragma once
+
+#include "config.h"
+#include "layout_picker.h"
+#include "source.h"
+#include "trigger_engine.h"
+#include "trigger_toolbar.h"
+
+#include <QMainWindow>
+#include <QTimer>
+#include <memory>
+#include <utility>
+#include <vector>
+
+class Sidebar;
+class PlotWidget;
+class StatsPanel;
+class QSplitter;
+class QLabel;
+class QAction;
+class QComboBox;
+class QPushButton;
+class QToolBar;
+
+class MainWindow : public QMainWindow {
+    Q_OBJECT
+public:
+    explicit MainWindow(const AppConfig& cfg, QWidget* parent = nullptr);
+    ~MainWindow() override;
+
+    void addSource(const std::string& label,
+                   const std::string& host, uint16_t port,
+                   const std::string& multicast_group = "",
+                   uint16_t data_port = 0);
+
+    enum class Layout { L1x1, L1x2, L1x3, L1x4,
+                        L2x1, L2x2, L3x1, L4x1 };
+
+private slots:
+    void onTimer();
+    void onPauseToggled(bool paused);
+    void onWindowSecChanged(double secs);
+    void onLayoutChanged(int index);
+    void onAddSource();
+    void onTriggerArm();
+    void onTriggerDisarm();
+    void onCursorAPlaced(double t);
+    void onCursorBPlaced(double t);
+    void onAutoZoom();
+    void onZoomBack();
+    void onExportCsv();
+
+private:
+    void buildToolbar();
+    void buildPlotGrid();
+    void applyLayout(Layout lay);
+    void refreshStatus();
+    void applyStylesheet();
+
+    AppConfig cfg_;
+
+    std::vector<std::shared_ptr<Source>> sources_;
+
+    // UI
+    Sidebar*        sidebar_      = nullptr;
+    StatsPanel*     statsPanel_   = nullptr;
+    TriggerToolBar* triggerPanel_ = nullptr;
+    QWidget*        plotGrid_     = nullptr;
+    QWidget*        centralArea_  = nullptr;
+
+    std::vector<PlotWidget*> plots_;
+
+    // Toolbar controls
+    QPushButton*  pauseBtn_    = nullptr;
+    QComboBox*    windowCombo_ = nullptr;
+    LayoutPicker* layoutPicker_= nullptr;
+    QPushButton*  cursorABtn_  = nullptr;
+    QPushButton*  cursorBBtn_  = nullptr;
+    QLabel*       deltaLabel_  = nullptr;
+    QPushButton*  autoBtn_     = nullptr;   // "Live" — visible only when zoomed
+    QPushButton*  backBtn_     = nullptr;   // "← Back" — visible when history non-empty
+    QPushButton*  exportBtn_   = nullptr;
+
+    QLabel*  statsLabel_ = nullptr;
+    QTimer*  timer_      = nullptr;
+
+    // A/B cursor state (global, pushed to all plots)
+    bool   cursorAActive_ = false;
+    bool   cursorBActive_ = false;
+    double cursorATime_   = 0.0;
+    double cursorBTime_   = 0.0;
+
+    bool   paused_    = false;
+    double windowSec_ = 5.0;
+    double viewTMax_  = 0.0;
+    Layout layout_    = Layout::L1x1;
+
+    // Zoom history: each entry is a (lo, hi) pair; {-1,-1} = rolling sentinel
+    std::vector<std::pair<double,double>> zoomHistory_;
+    bool zoomed_ = false;   // any plot is currently in user-zoomed state
+
+    // Trigger engine
+    TriggerEngine               trigger_;
+    std::shared_ptr<Source>     triggerSrc_;
+    int                         triggerSigIdx_   = -1;
+    size_t                      triggerLastHead_ = 0;
+    static constexpr size_t     kTriggerFeedPts  = 10'000;
+    std::vector<double>         trigFeedT_, trigFeedV_;
+};