Fix #540 by introducing a method to reset the view state

[pulseview.git] / pv / views / viewbase.hpp

diff --git a/pv/views/viewbase.hpp b/pv/views/viewbase.hpp
index e6a003a596c7ddda4b03226af3b759f21e4aa75f..b524c1797d0d1478ba4bd1eac36ee538a400d69a 100644 (file)
--- a/pv/views/viewbase.hpp
+++ b/pv/views/viewbase.hpp
@@ -65,6 +65,12 @@ private:
 public:
        explicit ViewBase(Session &session, bool is_main_view = false, QWidget *parent = nullptr);
 
+       /**
+        * Resets the view to its default state after construction. It does however
+        * not reset the signal bases or any other connections with the session.
+        */
+       virtual void reset_view_state();
+
        Session& session();
        const Session& session() const;
 
@@ -92,12 +98,17 @@ public:
        virtual void restore_settings(QSettings &settings);
 
 public Q_SLOTS:
-       virtual void trigger_event(util::Timestamp location);
+       virtual void trigger_event(int segment_id, util::Timestamp location);
        virtual void signals_changed();
        virtual void capture_state_updated(int state);
+       virtual void on_new_segment(int new_segment_id);
+       virtual void on_segment_completed(int new_segment_id);
        virtual void perform_delayed_view_update();
 
 private Q_SLOTS:
+       void on_samples_added(uint64_t segment_id, uint64_t start_sample,
+               uint64_t end_sample);
+
        void on_data_updated();
 
 protected:
@@ -105,10 +116,14 @@ protected:
 
        const bool is_main_view_;
 
+       util::Timestamp ruler_shift_;
        util::TimeUnit time_unit_;
 
        unordered_set< shared_ptr<data::SignalBase> > signalbases_;
 
+       /// The ID of the currently displayed segment
+       uint32_t current_segment_;
+
        QTimer delayed_view_updater_;
 };