void SIM_PLOT_PANEL::EnableCursor( const wxString& aName, bool aEnable ) { TRACE* t = GetTrace( aName ); if( t == nullptr || t->HasCursor() == aEnable ) return; if( aEnable ) { CURSOR* c = new CURSOR( t ); int plotCenter = GetMarginLeft() + ( GetXScreen() - GetMarginLeft() - GetMarginRight() ) / 2; c->SetX( plotCenter ); t->SetCursor( c ); AddLayer( c ); } else { CURSOR* c = t->GetCursor(); t->SetCursor( NULL ); DelLayer( c, true ); } // Notify the parent window about the changes wxQueueEvent( GetParent(), new wxCommandEvent( EVT_SIM_CURSOR_UPDATE ) ); }