361 lines
7.8 KiB
C++
361 lines
7.8 KiB
C++
/*
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* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
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* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2006-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2014-2016 Nick Mainsbridge <mainsbridge@gmail.com>
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* Copyright (C) 2016-2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <algorithm>
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#include "ardour/region.h"
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#include "gui_thread.h"
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#include "midi_region_view.h"
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#include "region_view.h"
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#include "region_selection.h"
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#include "time_axis_view.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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/** Construct an empty RegionSelection.
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*/
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RegionSelection::RegionSelection ()
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{
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RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, boost::bind (&RegionSelection::remove_it, this, _1), gui_context());
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}
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/** Copy constructor.
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* @param other RegionSelection to copy.
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*/
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RegionSelection::RegionSelection (const RegionSelection& other)
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: std::list<RegionView*>()
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{
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RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, boost::bind (&RegionSelection::remove_it, this, _1), gui_context());
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for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
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add (*i);
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}
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}
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/** operator= to set a RegionSelection to be the same as another.
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* @param other Other RegionSelection.
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*/
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RegionSelection&
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RegionSelection::operator= (const RegionSelection& other)
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{
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if (this != &other) {
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clear_all();
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for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
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add (*i);
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}
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}
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return *this;
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}
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/** Empty this RegionSelection.
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*/
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void
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RegionSelection::clear_all()
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{
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clear();
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pending.clear ();
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_bylayer.clear();
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}
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/**
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* @param rv RegionView.
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* @return true if this selection contains rv.
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*/
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bool RegionSelection::contains (RegionView* rv) const
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{
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return find (begin(), end(), rv) != end();
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}
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bool RegionSelection::contains (boost::shared_ptr<ARDOUR::Region> region) const
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{
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for (const_iterator r = begin (); r != end (); ++r) {
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if ((*r)->region () == region) {
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return true;
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}
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}
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return false;
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}
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/** Add a region to the selection.
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* @param rv Region to add.
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* @return false if we already had the region or if it cannot be added,
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* otherwise true.
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*/
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bool
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RegionSelection::add (RegionView* rv)
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{
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if (!rv->region()->playlist()) {
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/* not attached to a playlist - selection not allowed.
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This happens if the user tries to select a region
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during a capture pass.
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*/
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return false;
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}
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if (contains (rv)) {
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/* we already have it */
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return false;
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}
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push_back (rv);
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/* add to layer sorted list */
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add_to_layer (rv);
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return true;
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}
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/** Remove a region from the selection.
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* @param rv Region to remove.
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*/
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void
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RegionSelection::remove_it (RegionView *rv)
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{
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remove (rv);
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}
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/** Remove a region from the selection.
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* @param rv Region to remove.
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* @return true if the region was in the selection, false if not.
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*/
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bool
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RegionSelection::remove (RegionView* rv)
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{
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RegionSelection::iterator r;
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if ((r = find (begin(), end(), rv)) != end()) {
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// remove from layer sorted list
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_bylayer.remove (rv);
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pending.remove (rv->region()->id());
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erase (r);
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return true;
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}
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return false;
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}
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bool
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RegionSelection::remove (vector<RegionView*> rv)
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{
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RegionSelection::iterator r;
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bool removed_at_least_one = false;
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for (vector<RegionView*>::iterator rx = rv.begin(); rx != rv.end(); ++rx) {
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if ((r = find (begin(), end(), *rx)) != end()) {
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// remove from layer sorted list
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_bylayer.remove (*rx);
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pending.remove ((*rx)->region()->id());
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erase (r);
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removed_at_least_one = true;
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}
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}
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return removed_at_least_one;
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}
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/** Add a region to the list sorted by layer.
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* @param rv Region to add.
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*/
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void
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RegionSelection::add_to_layer (RegionView * rv)
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{
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// insert it into layer sorted position
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list<RegionView*>::iterator i;
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for (i = _bylayer.begin(); i != _bylayer.end(); ++i)
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{
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if (rv->region()->layer() < (*i)->region()->layer()) {
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_bylayer.insert(i, rv);
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return;
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}
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}
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// insert at end if we get here
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_bylayer.insert(i, rv);
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}
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struct RegionSortByTime {
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bool operator() (const RegionView* a, const RegionView* b) const {
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return a->region()->position() < b->region()->position();
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}
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};
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/**
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* @param foo List which will be filled with the selection's regions
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* sorted by position.
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*/
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void
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RegionSelection::by_position (list<RegionView*>& foo) const
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{
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list<RegionView*>::const_iterator i;
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RegionSortByTime sorter;
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for (i = _bylayer.begin(); i != _bylayer.end(); ++i) {
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foo.push_back (*i);
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}
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foo.sort (sorter);
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return;
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}
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struct RegionSortByTrack {
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bool operator() (const RegionView* a, const RegionView* b) const {
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/* really, track and position */
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if (a->get_time_axis_view().order() == b->get_time_axis_view().order()) {
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return a->region()->position() < b->region()->position();
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} else {
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return a->get_time_axis_view().order() < b->get_time_axis_view().order();
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}
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}
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};
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/**
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* @param List which will be filled with the selection's regions
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* sorted by track and position.
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*/
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void
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RegionSelection::by_track (list<RegionView*>& foo) const
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{
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list<RegionView*>::const_iterator i;
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RegionSortByTrack sorter;
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for (i = _bylayer.begin(); i != _bylayer.end(); ++i) {
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foo.push_back (*i);
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}
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foo.sort (sorter);
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return;
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}
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/**
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* @param Sort the selection by position and track.
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*/
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void
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RegionSelection::sort_by_position_and_track ()
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{
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RegionSortByTrack sorter;
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sort (sorter);
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}
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/**
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* @param tv Track.
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* @return true if any of the selection's regions are on tv.
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*/
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bool
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RegionSelection::involves (const TimeAxisView& tv) const
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{
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for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
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if (&(*i)->get_time_axis_view() == &tv) {
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return true;
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}
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}
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return false;
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}
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timepos_t
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RegionSelection::start_time () const
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{
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if (empty()) {
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return timepos_t ();
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}
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timepos_t s = timepos_t::max (front()->region()->position().time_domain());
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for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
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s = min (s, (*i)->region()->position ());
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}
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if (s == timepos_t::max (front()->region()->position().time_domain())) {
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return timepos_t ();
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}
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return s;
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}
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timepos_t
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RegionSelection::end_time () const
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{
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if (empty()) {
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return timepos_t ();
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}
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timepos_t e (timepos_t::zero (front()->region()->position().time_domain()));
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for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
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e = max (e, (*i)->region()->end ());
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}
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return e;
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}
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/** @return the playlists that the regions in the selection are on */
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set<boost::shared_ptr<Playlist> >
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RegionSelection::playlists () const
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{
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set<boost::shared_ptr<Playlist> > pl;
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for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
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pl.insert ((*i)->region()->playlist ());
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}
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return pl;
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}
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size_t
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RegionSelection::n_midi_regions () const
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{
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size_t count = 0;
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for (const_iterator r = begin(); r != end(); ++r) {
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MidiRegionView* const mrv = dynamic_cast<MidiRegionView*> (*r);
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if (mrv) {
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++count;
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}
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}
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return count;
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}
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ARDOUR::RegionList
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RegionSelection::regionlist () const
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{
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ARDOUR::RegionList rl;
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for (const_iterator r = begin (); r != end (); ++r) {
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rl.push_back ((*r)->region ());
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}
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return rl;
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}
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