X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fsignal.hpp;h=e10e93eac4d2863d200c530fbcb7ff4a07e72b7d;hb=67784be7a0b4ab46ed566119d182d92695a40ae3;hp=d763609d972abc322dc796e9aca32a2add66269f;hpb=2d458a761b9fb184cd1c903485293f86fd552637;p=pulseview.git
diff --git a/pv/views/trace/signal.hpp b/pv/views/trace/signal.hpp
index d763609d..e10e93ea 100644
--- a/pv/views/trace/signal.hpp
+++ b/pv/views/trace/signal.hpp
@@ -17,16 +17,20 @@
* along with this program; if not, see .
*/
-#ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_SIGNAL_HPP
-#define PULSEVIEW_PV_VIEWS_TRACEVIEW_SIGNAL_HPP
+#ifndef PULSEVIEW_PV_VIEWS_TRACE_SIGNAL_HPP
+#define PULSEVIEW_PV_VIEWS_TRACE_SIGNAL_HPP
#include
#include
+#include
+#include
#include
#include
+#include
+
#include "trace.hpp"
#include "viewitemowner.hpp"
@@ -44,12 +48,21 @@ class SignalData;
namespace views {
namespace trace {
+/**
+ * The Signal class represents a series of numeric values that can be drawn.
+ * This is the main difference to the more generic @ref Trace class.
+ *
+ * It is generally accepted that Signal instances consider themselves to be
+ * individual channels on e.g. an oscilloscope, though it should be kept in
+ * mind that virtual signals (e.g. math) will also be served by the Signal
+ * class.
+ */
class Signal : public Trace, public ViewItemOwner
{
Q_OBJECT
protected:
- Signal(pv::Session &session, shared_ptr channel);
+ Signal(pv::Session &session, shared_ptr signal);
public:
/**
@@ -57,7 +70,14 @@ public:
*/
virtual void set_name(QString name);
- virtual shared_ptr data() const = 0;
+ /**
+ * Determines the closest level change (i.e. edge) to a given sample, which
+ * is useful for e.g. the "snap to edge" functionality.
+ *
+ * @param sample_pos Sample to use
+ * @return The changes left and right of the given position
+ */
+ virtual vector get_nearest_level_changes(uint64_t sample_pos) = 0;
/**
* Returns true if the trace is visible and enabled.
@@ -67,14 +87,16 @@ public:
shared_ptr base() const;
virtual void save_settings(QSettings &settings) const;
+ virtual std::map save_settings() const;
virtual void restore_settings(QSettings &settings);
+ virtual void restore_settings(std::map settings);
void paint_back(QPainter &p, ViewItemPaintParams &pp);
virtual void populate_popup_form(QWidget *parent, QFormLayout *form);
- QMenu* create_context_menu(QWidget *parent);
+ QMenu* create_header_context_menu(QWidget *parent);
void delete_pressed();
@@ -95,4 +117,4 @@ protected:
} // namespace views
} // namespace pv
-#endif // PULSEVIEW_PV_VIEWS_TRACEVIEW_SIGNAL_HPP
+#endif // PULSEVIEW_PV_VIEWS_TRACE_SIGNAL_HPP