ardour/livetrax
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check sidebar re-order constrains early on.

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This commit is contained in:
Robin Gareus 2016-01-10 00:25:04 +01:00
parent 28f8b7d5d6
commit eea8d8e6c0
1 changed files with 10 additions and 0 deletions
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10
gtk2_ardour/mixer_ui.cc
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@ -2538,6 +2538,16 @@ PluginTreeStore::row_drop_possible_vfunc(const Gtk::TreeModel::Path& dest, const
if (data.get_target() != "GTK_TREE_MODEL_ROW") {
return false;
}
// only allow to re-order top-level items
TreePath src;
if (TreePath::get_from_selection_data (data, src)) {
if (src.up() && src.up()) {
return false;
}
}
// don't allow to drop as child-rows.
Gtk::TreeModel::Path _dest = dest; // un const
const bool is_child = _dest.up (); // explicit bool for clang
if (!is_child || _dest.empty ()) {