Save/restore view type

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

diff --git a/pv/views/viewbase.hpp b/pv/views/viewbase.hpp
index 61430136f5b032a347bf495ea7cb6ecd56cce45f..7f0a17fd004c59d3041e380a73b6bd829379e843 100644 (file)
--- a/pv/views/viewbase.hpp
+++ b/pv/views/viewbase.hpp
@@ -26,12 +26,17 @@
 #include <unordered_set>
 #include <vector>
 
+#include <QMainWindow>
 #include <QTimer>
 #include <QWidget>
 
 #include <pv/data/signalbase.hpp>
 #include <pv/util.hpp>
 
+#ifdef ENABLE_DECODE
+#include <pv/data/decodesignal.hpp>
+#endif
+
 using std::shared_ptr;
 using std::unordered_set;
 
@@ -46,11 +51,17 @@ class Signal;
 
 namespace views {
 
+// When adding an entry here, don't forget to update ViewTypeNames as well
 enum ViewType {
        ViewTypeTrace,
-       ViewTypeTabularDecode
+#ifdef ENABLE_DECODE
+       ViewTypeDecoderOutput,
+#endif
+       ViewTypeCount  // Indicates how many view types there are, must always be last
 };
 
+extern const char* ViewTypeNames[ViewTypeCount];
+
 class ViewBase : public QWidget
 {
        Q_OBJECT
@@ -59,7 +70,15 @@ private:
        static const int MaxViewAutoUpdateRate;
 
 public:
-       explicit ViewBase(Session &session, bool is_main_view = false, QWidget *parent = nullptr);
+       explicit ViewBase(Session &session, bool is_main_view = false, QMainWindow *parent = nullptr);
+
+       virtual ViewType get_type() const = 0;
+
+       /**
+        * 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;
@@ -78,9 +97,9 @@ public:
 #ifdef ENABLE_DECODE
        virtual void clear_decode_signals();
 
-       virtual void add_decode_signal(shared_ptr<data::SignalBase> signalbase);
+       virtual void add_decode_signal(shared_ptr<data::DecodeSignal> signal);
 
-       virtual void remove_decode_signal(shared_ptr<data::SignalBase> signalbase);
+       virtual void remove_decode_signal(shared_ptr<data::DecodeSignal> signal);
 #endif
 
        virtual void save_settings(QSettings &settings) const;
@@ -88,12 +107,17 @@ 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:
@@ -105,6 +129,9 @@ protected:
 
        unordered_set< shared_ptr<data::SignalBase> > signalbases_;
 
+       /// The ID of the currently displayed segment
+       uint32_t current_segment_;
+
        QTimer delayed_view_updater_;
 };