Header: Keep a shared_ptr of the clicked item

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

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index 372aff252336289e735122332326aa19224af8fd..615802239e2486d1a37d44705f0c98c98265ba80 100644 (file)
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -69,7 +69,6 @@ const int View::MaxScrollValue = INT_MAX / 2;
 
 const int View::SignalHeight = 30;
 const int View::SignalMargin = 10;
-const int View::SignalSnapGridSize = 10;
 
 const QColor View::CursorAreaColour(220, 231, 243);
 
@@ -326,14 +325,12 @@ const QPoint& View::hover_point() const
 
 void View::normalize_layout()
 {
-       const vector< shared_ptr<RowItem> > row_items(child_items());
-
        int v_min = INT_MAX;
-       for (const shared_ptr<RowItem> r : row_items)
+       for (const shared_ptr<RowItem> r : *this)
                v_min = min(r->v_offset(), v_min);
 
        const int delta = -min(v_min, 0);
-       for (shared_ptr<RowItem> r : row_items)
+       for (shared_ptr<RowItem> r : *this)
                r->set_v_offset(r->v_offset() + delta);
 
        verticalScrollBar()->setSliderPosition(_v_offset + delta);
@@ -517,13 +514,17 @@ void View::signals_changed()
 
        // Create the initial layout
        int offset = SignalMargin + SignalHeight;
-       for (shared_ptr<RowItem> r : child_items()) {
+       for (shared_ptr<RowItem> r : *this) {
                r->set_v_offset(offset);
                offset += SignalHeight + 2 * SignalMargin;
        }
 
        update_layout();
        normalize_layout();
+
+       // Update the child widgets
+       _header->signals_updated();
+       _viewport->signals_updated();
 }
 
 void View::data_updated()
@@ -554,8 +555,7 @@ void View::on_geometry_updated()
 
 void View::on_hover_point_changed()
 {
-       const vector< shared_ptr<RowItem> > row_items(child_items());
-       for (shared_ptr<RowItem> r : row_items)
+       for (shared_ptr<RowItem> r : *this)
                r->hover_point_changed();
 }