Fix #540 by introducing a method to reset the view state

[pulseview.git] / pv / views / viewbase.cpp

diff --git a/pv/views/viewbase.cpp b/pv/views/viewbase.cpp
index 11ff7a273b6af3a2892fdfcf6c7287f2f99d12c6..c463ecc2d1a8dc16792a2c25a58f45836b8caaf7 100644 (file)
--- a/pv/views/viewbase.cpp
+++ b/pv/views/viewbase.cpp
@@ -36,10 +36,9 @@ namespace views {
 const int ViewBase::MaxViewAutoUpdateRate = 25; // No more than 25 Hz
 
 ViewBase::ViewBase(Session &session, bool is_main_view, QWidget *parent) :
+       // Note: Place defaults in ViewBase::reset_view_state(), not here
        session_(session),
-       is_main_view_(is_main_view),
-       ruler_shift_(0),
-       current_segment_(0)
+       is_main_view_(is_main_view)
 {
        (void)parent;
 
@@ -56,6 +55,12 @@ ViewBase::ViewBase(Session &session, bool is_main_view, QWidget *parent) :
        delayed_view_updater_.setInterval(1000 / MaxViewAutoUpdateRate);
 }
 
+void ViewBase::reset_view_state()
+{
+       ruler_shift_ = 0;
+       current_segment_ = 0;
+}
+
 Session& ViewBase::session()
 {
        return session_;