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livetrax/gtk2_ardour/region_selection.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

331 lines
7.2 KiB
C++

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