Add segment display mode UI controls and some related changes

[pulseview.git] / pv / views / trace / view.hpp

diff --git a/pv/views/trace/view.hpp b/pv/views/trace/view.hpp
index b6759a4ffbc64ac911ebfc75fe0812a422c73e8f..e80198d329062f8175b04e9e28dbf4c1be543c75 100644 (file)
--- a/pv/views/trace/view.hpp
+++ b/pv/views/trace/view.hpp
@@ -37,6 +37,7 @@
 
 #include "cursorpair.hpp"
 #include "flag.hpp"
+#include "trace.hpp"
 #include "tracetreeitemowner.hpp"
 
 using std::list;
@@ -190,6 +191,20 @@ public:
         */
        unsigned int depth() const;
 
+       /**
+        * Returns the currently displayed segment, starting at 0.
+        */
+       uint32_t current_segment() const;
+
+       /**
+        * Returns whether the currently shown segment can be influenced
+        * (selected) or not.
+        */
+       bool segment_is_selectable() const;
+
+       Trace::SegmentDisplayMode segment_display_mode() const;
+       void set_segment_display_mode(Trace::SegmentDisplayMode mode);
+
        void zoom(double steps);
        void zoom(double steps, int offset);
 
@@ -295,6 +310,13 @@ Q_SIGNALS:
        /// Emitted when the time_unit changed.
        void time_unit_changed();
 
+       /// Emitted when the currently selected segment changed
+       void segment_changed(int segment_id);
+
+       /// Emitted when the multi-segment display mode changed
+       /// @param mode is a value of Trace::SegmentDisplayMode
+       void segment_display_mode_changed(int mode, bool segment_selectable);
+
 public Q_SLOTS:
        void trigger_event(util::Timestamp location);
 
@@ -366,6 +388,8 @@ private Q_SLOTS:
        void signals_changed();
        void capture_state_updated(int state);
 
+       void on_new_segment(int new_segment_id);
+       void on_segment_completed(int new_segment_id);
        void on_segment_changed(int segment);
 
        virtual void perform_delayed_view_update();
@@ -408,6 +432,11 @@ private Q_SLOTS:
         */
        void set_time_unit(pv::util::TimeUnit time_unit);
 
+       /**
+        * Sets the current segment with the first segment starting at 0.
+        */
+       void set_current_segment(uint32_t segment_id);
+
 private:
        CustomScrollArea *scrollarea_;
        Viewport *viewport_;
@@ -421,8 +450,10 @@ private:
        vector< shared_ptr<DecodeTrace> > decode_traces_;
 #endif
 
-       /// The ID of the currently displayed segment
-       int current_segment_;
+       Trace::SegmentDisplayMode segment_display_mode_;
+
+       /// Signals whether the user can change the currently shown segment.
+       bool segment_selectable_;
 
        /// The view time scale in seconds per pixel.
        double scale_;