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Copyright (C) 2006 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#include "ardour/region.h"
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#include "gui_thread.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 ARDOUR;
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/** Construct an empty RegionSelection.
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RegionSelection::RegionSelection ()
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RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, boost::bind (&RegionSelection::remove_it, this, _1), gui_context());
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* @param other RegionSelection to copy.
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RegionSelection::RegionSelection (const RegionSelection& other)
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: std::list<RegionView*>()
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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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/** operator= to set a RegionSelection to be the same as another.
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* @param other Other RegionSelection.
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RegionSelection::operator= (const RegionSelection& other)
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for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
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/** Empty this RegionSelection.
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RegionSelection::clear_all()
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* @param rv RegionView.
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* @return true if this selection contains rv.
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bool RegionSelection::contains (RegionView* rv) const
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return find (begin(), end(), rv) != end();
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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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RegionSelection::add (RegionView* rv)
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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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/* we already have it */
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/* add to layer sorted list */
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/** Remove a region from the selection.
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* @param rv Region to remove.
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RegionSelection::remove_it (RegionView *rv)
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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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RegionSelection::remove (RegionView* rv)
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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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/** Add a region to the list sorted by layer.
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* @param rv Region to add.
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RegionSelection::add_to_layer (RegionView * rv)
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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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if (rv->region()->layer() < (*i)->region()->layer()) {
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_bylayer.insert(i, rv);
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// insert at end if we get here
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_bylayer.insert(i, rv);
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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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* @param foo List which will be filled with the selection's regions
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* sorted by position.
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RegionSelection::by_position (list<RegionView*>& foo) const
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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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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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return a->get_time_axis_view().order() < b->get_time_axis_view().order();
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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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RegionSelection::by_track (list<RegionView*>& foo) const
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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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* @param Sort the selection by position and track.
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RegionSelection::sort_by_position_and_track ()
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RegionSortByTrack sorter;
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* @return true if any of the selection's regions are on tv.
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RegionSelection::involves (const TimeAxisView& tv) const
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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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RegionSelection::start () const
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framepos_t s = max_framepos;
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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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if (s == max_framepos) {
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RegionSelection::end_frame () const
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for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
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e = max (e, (*i)->region()->last_frame ());
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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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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 ());