diff options
Diffstat (limited to 'gtk2_ardour/meterbridge.cc')
| -rw-r--r-- | gtk2_ardour/meterbridge.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gtk2_ardour/meterbridge.cc b/gtk2_ardour/meterbridge.cc index 74c13f45eb..227f533a18 100644 --- a/gtk2_ardour/meterbridge.cc +++ b/gtk2_ardour/meterbridge.cc @@ -309,6 +309,7 @@ Meterbridge::on_scroll_event (GdkEventScroll* ev) void Meterbridge::scroll_left () { + if (!scroller.get_hscrollbar()) return; Adjustment* adj = scroller.get_hscrollbar()->get_adjustment(); /* stupid GTK: can't rely on clamping across versions */ scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment())); @@ -317,6 +318,7 @@ Meterbridge::scroll_left () void Meterbridge::scroll_right () { + if (!scroller.get_hscrollbar()) return; Adjustment* adj = scroller.get_hscrollbar()->get_adjustment(); /* stupid GTK: can't rely on clamping across versions */ scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment())); |