+ /// 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);
+
+ /// Emitted when the cursors are shown/hidden
+ void cursor_state_changed(bool show);
+