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//=========================================================
// MusE
// Linux Music Editor
// $Id: eventlist.cpp,v 1.7.2.3 2009/11/05 03:14:35 terminator356 Exp $
//
// (C) Copyright 2000-2003 Werner Schweer (ws@seh.de)
//
// 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; 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 "tempo.h"
#include "event.h"
#include "xml.h"
namespace MusECore {
//---------------------------------------------------------
// readEventList
//---------------------------------------------------------
void EventList::read(Xml& xml, const char* name, bool midi)
{
for (;;) {
Xml::Token token = xml.parse();
const QString& tag = xml.s1();
switch (token) {
case Xml::Error:
case Xml::End:
return;
case Xml::TagStart:
if (tag == "event") {
Event e(midi ? Note : Wave);
e.read(xml);
add(e);
}
else
xml.unknown("readEventList");
break;
case Xml::TagEnd:
if (tag == name)
return;
default:
break;
}
}
}
//---------------------------------------------------------
// add
//---------------------------------------------------------
iEvent EventList::add(Event& event)
{
// Added by T356. An event list containing wave events should be sorted by
// frames. WaveTrack::fetchData() relies on the sorting order, and
// there was a bug that waveparts were sometimes muted because of
// incorrect sorting order (by ticks).
// Also, when the tempo map is changed, every wave event would have to be
// re-added to the event list so that the proper sorting order (by ticks)
// could be achieved.
// Note that in a med file, the tempo list is loaded AFTER all the tracks.
// There was a bug that all the wave events' tick values were not correct,
// since they were computed BEFORE the tempo map was loaded.
if(event.type() == Wave)
return std::multimap<unsigned, Event, std::less<unsigned> >::insert(std::pair<const unsigned, Event> (event.frame(), event));
else
return std::multimap<unsigned, Event, std::less<unsigned> >::insert(std::pair<const unsigned, Event> (event.tick(), event));
}
//---------------------------------------------------------
// move
//---------------------------------------------------------
void EventList::move(Event& event, unsigned tick)
{
iEvent i = find(event);
erase(i);
// Added by T356.
if(event.type() == Wave)
std::multimap<unsigned, Event, std::less<unsigned> >::insert(std::pair<const unsigned, Event> (MusEGlobal::tempomap.tick2frame(tick), event));
else
std::multimap<unsigned, Event, std::less<unsigned> >::insert(std::pair<const unsigned, Event> (tick, event));
}
//---------------------------------------------------------
// find
//---------------------------------------------------------
iEvent EventList::find(const Event& event)
{
// Changed by T356.
// Changed by Tim. p3.3.8
//EventRange range = equal_range(event.tick());
EventRange range = equal_range(event.type() == Wave ? event.frame() : event.tick());
for (iEvent i = range.first; i != range.second; ++i) {
if (i->second == event)
return i;
}
return end();
}
//---------------------------------------------------------
// dump
//---------------------------------------------------------
void EventList::dump() const
{
for (ciEvent i = begin(); i != end(); ++i)
i->second.dump();
}
} // namespace MusECore
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