diff options
-rw-r--r-- | gtk2_ardour/port_matrix.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gtk2_ardour/port_matrix.cc b/gtk2_ardour/port_matrix.cc index ebf6413d39..40cc80a350 100644 --- a/gtk2_ardour/port_matrix.cc +++ b/gtk2_ardour/port_matrix.cc @@ -248,17 +248,26 @@ PortMatrix::setup_scrollbars () { Adjustment* a = _hscroll.get_adjustment (); a->set_lower (0); - a->set_upper (_body->full_scroll_width()); a->set_page_size (_body->alloc_scroll_width()); a->set_step_increment (32); a->set_page_increment (128); + /* Set the adjustment to zero if the size has changed.*/ + if (a->get_upper() != _body->full_scroll_width()) { + a->set_upper (_body->full_scroll_width()); + a->set_value (0); + } + a = _vscroll.get_adjustment (); a->set_lower (0); - a->set_upper (_body->full_scroll_height()); a->set_page_size (_body->alloc_scroll_height()); a->set_step_increment (32); a->set_page_increment (128); + + if (a->get_upper() != _body->full_scroll_height()) { + a->set_upper (_body->full_scroll_height()); + a->set_value (0); + } } /** Disassociate all of our ports from each other */ |