Implement segment display mode handling and update notifications

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

diff --git a/pv/views/trace/standardbar.cpp b/pv/views/trace/standardbar.cpp
index d773a5c1367df44113d9392ef8e44a2e4a53a38a..6363e2ec6fcc9717e92dfc3a327713836d5b93eb 100644 (file)
--- a/pv/views/trace/standardbar.cpp
+++ b/pv/views/trace/standardbar.cpp
@@ -91,6 +91,10 @@ StandardBar::StandardBar(Session &session, QWidget *parent,
                this, SLOT(on_new_segment(int)));
        connect(segment_selector_, SIGNAL(valueChanged(int)),
                view_, SLOT(on_segment_changed(int)));
+       connect(view_, SIGNAL(segment_changed(int)),
+               this, SLOT(on_segment_changed(int)));
+       connect(view_, SIGNAL(segment_display_mode_changed(bool)),
+               this, SLOT(on_segment_display_mode_changed(bool)));
 
        connect(view_, SIGNAL(always_zoom_to_fit_changed(bool)),
                this, SLOT(on_always_zoom_to_fit_changed(bool)));
@@ -125,6 +129,8 @@ void StandardBar::show_multi_segment_ui(const bool state)
 {
        for (QAction* action : multi_segment_actions_)
                action->setVisible(state);
+
+       on_segment_display_mode_changed(view_->segment_is_selectable());
 }
 
 QAction* StandardBar::action_view_zoom_in() const
@@ -195,6 +201,18 @@ void StandardBar::on_new_segment(int new_segment_id)
                show_multi_segment_ui(false);
 }
 
+void StandardBar::on_segment_changed(int segment_id)
+{
+       // This is called when the current segment was changed
+       // by other parts of the UI, e.g. the view itself
+       segment_selector_->setValue(segment_id);
+}
+
+void StandardBar::on_segment_display_mode_changed(bool segment_selectable)
+{
+       segment_selector_->setReadOnly(!segment_selectable);
+}
+
 } // namespace trace
 } // namespace views
 } // namespace pv