Implement MetadataObjMousePos and use it in the TabularDecView

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

diff --git a/pv/views/trace/view.cpp b/pv/views/trace/view.cpp
index 0a51a96fb5398a590997e558a9fc7427c9e3679b..69599b1bb1bd28a8ad767e474e56be3b7a9640a6 100644 (file)
--- a/pv/views/trace/view.cpp
+++ b/pv/views/trace/view.cpp
@@ -184,9 +184,10 @@ View::View(Session &session, bool is_main_view, QMainWindow *parent) :
        GlobalSettings::add_change_handler(this);
 
        // Set up metadata objects and event handlers
-       if (is_main_view)
+       if (is_main_view) {
                session_.metadata_obj_manager()->create_object(MetadataObjMainViewRange);
-
+               session_.metadata_obj_manager()->create_object(MetadataObjMousePos);
+       }
 
        // Set up UI event handlers
        connect(scrollarea_->horizontalScrollBar(), SIGNAL(valueChanged(int)),
@@ -1572,8 +1573,19 @@ void View::update_hover_point()
        for (const shared_ptr<TraceTreeItem>& r : trace_tree_items)
                r->hover_point_changed(hover_point_);
 
-       // Notify any other listeners
+       // Notify this view's listeners
        hover_point_changed(hover_widget_, hover_point_);
+
+       // Hover point is -1 when invalid and 0 for the header
+       if (hover_point_.x() > 0) {
+               // Notify global listeners
+               pv::util::Timestamp mouse_time = offset_ + hover_point_.x() * scale_;
+               int64_t sample_num = (mouse_time * session_.get_samplerate()).convert_to<int64_t>();
+
+               MetadataObject* md_obj =
+                       session_.metadata_obj_manager()->find_object_by_type(MetadataObjMousePos);
+               md_obj->set_value(MetadataValueStartSample, QVariant((qlonglong)sample_num));
+       }
 }
 
 void View::row_item_appearance_changed(bool label, bool content)