Rework signaling mechanism for trace repainting

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

diff --git a/pv/views/viewbase.hpp b/pv/views/viewbase.hpp
index 45aae7f1021f7797e0dc11cf5e53484a81d80f7e..61430136f5b032a347bf495ea7cb6ecd56cce45f 100644 (file)
--- a/pv/views/viewbase.hpp
+++ b/pv/views/viewbase.hpp
@@ -23,15 +23,17 @@
 
 #include <cstdint>
 #include <memory>
-#include <set>
+#include <unordered_set>
 #include <vector>
 
+#include <QTimer>
 #include <QWidget>
 
 #include <pv/data/signalbase.hpp>
 #include <pv/util.hpp>
 
 using std::shared_ptr;
+using std::unordered_set;
 
 namespace pv {
 
@@ -53,6 +55,9 @@ class ViewBase : public QWidget
 {
        Q_OBJECT
 
+private:
+       static const int MaxViewAutoUpdateRate;
+
 public:
        explicit ViewBase(Session &session, bool is_main_view = false, QWidget *parent = nullptr);
 
@@ -61,6 +66,15 @@ public:
 
        virtual void clear_signals();
 
+       /**
+        * Returns the signal bases contained in this view.
+        */
+       unordered_set< shared_ptr<data::SignalBase> > signalbases() const;
+
+       virtual void clear_signalbases();
+
+       virtual void add_signalbase(const shared_ptr<data::SignalBase> signalbase);
+
 #ifdef ENABLE_DECODE
        virtual void clear_decode_signals();
 
@@ -77,7 +91,10 @@ public Q_SLOTS:
        virtual void trigger_event(util::Timestamp location);
        virtual void signals_changed();
        virtual void capture_state_updated(int state);
-       virtual void data_updated();
+       virtual void perform_delayed_view_update();
+
+private Q_SLOTS:
+       void on_data_updated();
 
 protected:
        Session &session_;
@@ -85,6 +102,10 @@ protected:
        const bool is_main_view_;
 
        util::TimeUnit time_unit_;
+
+       unordered_set< shared_ptr<data::SignalBase> > signalbases_;
+
+       QTimer delayed_view_updater_;
 };
 
 } // namespace views