new implementation of move-selected-tracks
This does not modify the editor treeview/treemodel at all but instead works directly on the PresentationInfo order data. Likely needs more testing etc.
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@ -1167,8 +1167,10 @@ EditorRoutes::sync_treeview_from_presentation_info (PropertyChange const & what_
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* The rows (stripables) are not actually removed from the model,
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* but only from the display in the DnDTreeView.
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* ->reorder() will fail to find the row_path.
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* (re-order drag -> remove row -> rync PI from TV -> notify -> sync TV from PI -> crash)
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* (re-order drag -> remove row -> sync PI from TV -> notify -> sync TV from PI -> crash)
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*/
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Unwinder<bool> uw2 (_ignore_selection_change, true);
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_display.unset_model();
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_model->reorder (neworder);
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_display.set_model (_model);
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@ -1195,7 +1197,6 @@ EditorRoutes::sync_treeview_from_presentation_info (PropertyChange const & what_
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}
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/* step two: set the Selection (for stripables/routes) */
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_editor->get_selection().set (tvl);
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}
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@ -1622,153 +1623,109 @@ EditorRoutes::display_drag_data_received (const RefPtr<Gdk::DragContext>& contex
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struct ViewStripable {
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TimeAxisView* tav;
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boost::shared_ptr<Stripable> stripable;
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uint32_t old_order;
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ViewStripable (TimeAxisView* t, boost::shared_ptr<Stripable> s, uint32_t n)
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: tav (t), stripable (s), old_order (n) {}
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ViewStripable (TimeAxisView* t, boost::shared_ptr<Stripable> s)
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: tav (t), stripable (s) {}
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};
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void
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EditorRoutes::move_selected_tracks (bool up)
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{
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if (_editor->selection->tracks.empty()) {
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StripableList sl;
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_session->get_stripables (sl);
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if (sl.size() < 2) {
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/* nope */
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return;
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}
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sl.sort (Stripable::PresentationOrderSorter());
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std::list<ViewStripable> view_stripables;
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std::vector<int> neworder;
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TreeModel::Children rows = _model->children();
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TreeModel::Children::iterator ri;
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TreeModel::Children::size_type n;
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for (n = 0, ri = rows.begin(); ri != rows.end(); ++ri, ++n) {
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TimeAxisView* tv = (*ri)[_columns.tv];
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boost::shared_ptr<Stripable> stripable = (*ri)[_columns.stripable];
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view_stripables.push_back (ViewStripable (tv, stripable, n));
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/* build a list that includes time axis view information */
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for (StripableList::const_iterator sli = sl.begin(); sli != sl.end(); ++sli) {
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TimeAxisView* tv = _editor->axis_view_from_stripable (*sli);
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view_stripables.push_back (ViewStripable (tv, *sli));
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}
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list<ViewStripable>::iterator trailing;
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list<ViewStripable>::iterator leading;
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/* for each selected stripable, move it above or below the adjacent
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* stripable that has a time-axis view representation here. If there's
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* no such representation, then
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*/
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TimeAxisView* scroll_to = NULL;
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list<ViewStripable>::iterator unselected_neighbour;
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list<ViewStripable>::iterator vsi;
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if (up) {
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{
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PresentationInfo::ChangeSuspender cs;
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trailing = view_stripables.begin();
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leading = view_stripables.begin();
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if (up) {
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unselected_neighbour = view_stripables.end ();
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vsi = view_stripables.begin();
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++vsi;
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++leading;
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while (vsi != view_stripables.end()) {
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if (vsi->stripable->presentation_info().selected()) {
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if (unselected_neighbour != view_stripables.end()) {
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PresentationInfo::order_t unselected_neighbour_order = unselected_neighbour->stripable->presentation_info().order();
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PresentationInfo::order_t my_order = vsi->stripable->presentation_info().order();
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unselected_neighbour->stripable->set_presentation_order (my_order);
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vsi->stripable->set_presentation_order (unselected_neighbour_order);
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}
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} else {
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if (vsi->tav) {
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unselected_neighbour = vsi;
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}
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while (leading != view_stripables.end()) {
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if (_editor->selection->selected (leading->tav)) {
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view_stripables.insert (trailing, ViewStripable (*leading));
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if (!scroll_to) {
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scroll_to = leading->tav;
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}
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leading = view_stripables.erase (leading);
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} else {
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++leading;
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++trailing;
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++vsi;
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}
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} else {
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unselected_neighbour = view_stripables.end();
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vsi = unselected_neighbour;
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--vsi;
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do {
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if (vsi->stripable->presentation_info().selected()) {
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if (unselected_neighbour != view_stripables.end()) {
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PresentationInfo::order_t unselected_neighbour_order = unselected_neighbour->stripable->presentation_info().order();
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PresentationInfo::order_t my_order = vsi->stripable->presentation_info().order();
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unselected_neighbour->stripable->set_presentation_order (my_order);
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vsi->stripable->set_presentation_order (unselected_neighbour_order);
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}
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} else {
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if (vsi->tav) {
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unselected_neighbour = vsi;
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}
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}
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--vsi;
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} while (vsi != view_stripables.begin());
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}
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} else {
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/* if we could use reverse_iterator in list::insert, this code
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would be a beautiful reflection of the code above. but we can't
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and so it looks like a bit of a mess.
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*/
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trailing = view_stripables.end();
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leading = view_stripables.end();
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--leading; if (leading == view_stripables.begin()) { return; }
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--leading;
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--trailing;
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while (1) {
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if (_editor->selection->selected (leading->tav)) {
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if (!scroll_to) {
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scroll_to = leading->tav;
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}
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list<ViewStripable>::iterator tmp;
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/* need to insert *after* trailing, not *before* it,
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which is what insert (iter, val) normally does.
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*/
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tmp = trailing;
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tmp++;
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view_stripables.insert (tmp, ViewStripable (*leading));
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/* can't use iter = cont.erase (iter); form here, because
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we need iter to move backwards.
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*/
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tmp = leading;
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--tmp;
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bool done = false;
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if (leading == view_stripables.begin()) {
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/* the one we've just inserted somewhere else
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was the first in the list. erase this copy,
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and then break, because we're done.
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*/
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done = true;
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}
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view_stripables.erase (leading);
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if (done) {
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break;
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}
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leading = tmp;
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} else {
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if (leading == view_stripables.begin()) {
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break;
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}
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--leading;
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--trailing;
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}
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};
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}
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bool changed = false;
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unsigned int i = 0;
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for (leading = view_stripables.begin(); leading != view_stripables.end(); ++leading, ++i) {
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if (leading->old_order != i) {
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changed = true;
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}
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neworder.push_back (leading->old_order);
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#ifndef NDEBUG
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if (leading->old_order != neworder.size() - 1) {
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DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("move %1 to %2\n", leading->old_order, neworder.size() - 1));
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}
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#endif
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}
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if (!changed) {
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return;
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}
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#ifndef NDEBUG
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DEBUG_TRACE (DEBUG::OrderKeys, "New order after moving tracks:\n");
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for (vector<int>::iterator i = neworder.begin(); i != neworder.end(); ++i) {
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DEBUG_TRACE (DEBUG::OrderKeys, string_compose ("\t%1\n", *i));
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}
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DEBUG_TRACE (DEBUG::OrderKeys, "-------\n");
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#endif
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_model->reorder (neworder);
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if (scroll_to) {
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_editor->ensure_time_axis_view_is_visible (*scroll_to, false);
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}
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// if (scroll_to) {
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// _editor->ensure_time_axis_view_is_visible (*scroll_to, false);
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// }
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}
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