further improvement to Mixer_UI::move_stripable_into_view()

diff --git a/gtk2_ardour/mixer_ui.cc b/gtk2_ardour/mixer_ui.cc
index a0e4322d40a36ad6fb85d9c9580025007aad91ad..3ea5b069f70f01640b9483be0313d076a5110d4c 100644 (file)
--- a/gtk2_ardour/mixer_ui.cc
+++ b/gtk2_ardour/mixer_ui.cc
@@ -1585,11 +1585,13 @@ Mixer_UI::move_stripable_into_view (boost::shared_ptr<ARDOUR::Stripable> s)
 #endif
        bool found = false;
        int x0 = 0;
+       Gtk::Allocation alloc;
        for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
                if ((*i)->route() == s) {
                        int y;
                        found = true;
                        (*i)->translate_coordinates (strip_packer, 0, 0, x0, y);
+                       alloc = (*i)->get_allocation ();
                        break;
                }
        }
@@ -1599,7 +1601,7 @@ Mixer_UI::move_stripable_into_view (boost::shared_ptr<ARDOUR::Stripable> s)
 
        Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
 
-       if ((x0 < adj->get_value()) || x0 >= (adj->get_value() + adj->get_page_size())) {
+       if ((x0 < adj->get_value()) || (x0 + alloc.get_width()) >= (adj->get_value() + adj->get_page_size())) {
                /* try to put left edge of strip in the middle */
                double half_page = adj->get_page_size() / 2.0;
                if (x0 >= half_page) {