04c7158a41
applies to the selected tracks. Some tinkering with how tracks are selected during time selections. git-svn-id: svn://localhost/ardour2/branches/3.0@6360 d708f5d6-7413-0410-9779-e7cbd77b26cf
108 lines
2.3 KiB
C++
108 lines
2.3 KiB
C++
/*
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Copyright (C) 2003-2004 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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*/
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#include <algorithm>
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#include "pbd/error.h"
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#include "ardour/ardour.h"
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#include "time_selection.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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AudioRange&
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TimeSelection::operator[] (uint32_t which)
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{
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for (std::list<AudioRange>::iterator i = begin(); i != end(); ++i) {
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if ((*i).id == which) {
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return *i;
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}
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}
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fatal << string_compose (_("programming error: request for non-existent audio range (%1)!"), which) << endmsg;
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/*NOTREACHED*/
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return *(new AudioRange(0,0,0)); /* keep the compiler happy; never called */
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}
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bool
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TimeSelection::consolidate ()
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{
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bool changed = false;
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restart:
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for (std::list<AudioRange>::iterator a = begin(); a != end(); ++a) {
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for (std::list<AudioRange>::iterator b = begin(); b != end(); ++b) {
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if (&(*a) == &(*b)) {
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continue;
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}
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if ((*a).coverage ((*b).start, (*b).end) != OverlapNone) {
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(*a).start = std::min ((*a).start, (*b).start);
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(*a).end = std::max ((*a).end, (*b).end);
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erase (b);
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changed = true;
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goto restart;
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}
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}
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}
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return changed;
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}
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nframes_t
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TimeSelection::start ()
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{
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if (empty()) {
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return 0;
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}
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nframes_t first = max_frames;
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for (std::list<AudioRange>::iterator i = begin(); i != end(); ++i) {
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if ((*i).start < first) {
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first = (*i).start;
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}
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}
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return first;
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}
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nframes_t
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TimeSelection::end_frame ()
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{
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nframes_t last = 0;
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/* XXX make this work like RegionSelection: no linear search needed */
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for (std::list<AudioRange>::iterator i = begin(); i != end(); ++i) {
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if ((*i).end > last) {
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last = (*i).end;
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}
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}
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return last;
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}
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nframes_t
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TimeSelection::length()
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{
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return end_frame() - start() + 1;
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}
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