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//=========================================================
// MusE
// Linux Music Editor
// $Id: midieditor.cpp,v 1.1.1.1 2003/10/29 10:05:11 wschweer Exp $
// (C) Copyright 1999 Werner Schweer (ws@seh.de)
//=========================================================
#include "midieditor.h"
#include "midiedit/ecanvas.h"
#include "waveedit/waveview.h"
#include "scrollscale.h"
#include "mtscale.h"
#include <qlayout.h>
#include <qrect.h>
#include <qcolor.h>
#include "xml.h"
#include "part.h"
#include "track.h"
#include "song.h"
//---------------------------------------------------------
// MidiEditor
//---------------------------------------------------------
MidiEditor::MidiEditor(int q, int r, PartList* pl,
QWidget* parent, const char* name) : TopWin(parent, name)
{
_pl = pl;
if (_pl)
for (iPart i = _pl->begin(); i != _pl->end(); ++i)
_parts.push_back(i->second->sn());
_quant = q;
_raster = r;
canvas = 0;
wview = 0;
mainw = new QWidget(this);
mainGrid = new QGridLayout(mainw);
setCentralWidget(mainw);
}
//---------------------------------------------------------
// genPartlist
//---------------------------------------------------------
void MidiEditor::genPartlist()
{
_pl->clear();
for (std::list<int>::iterator i = _parts.begin(); i != _parts.end(); ++i) {
TrackList* tl = song->tracks();
for (iTrack it = tl->begin(); it != tl->end(); ++it) {
PartList* pl = (*it)->parts();
iPart ip;
for (ip = pl->begin(); ip != pl->end(); ++ip) {
if (ip->second->sn() == *i) {
_pl->add(ip->second);
break;
}
}
if (ip != pl->end())
break;
}
}
}
//---------------------------------------------------------
// MidiEditor
//---------------------------------------------------------
MidiEditor::~MidiEditor()
{
if (_pl)
delete _pl;
}
//---------------------------------------------------------
// quantVal
//---------------------------------------------------------
int MidiEditor::quantVal(int v) const
{
int val = ((v+_quant/2)/_quant)*_quant;
if (val == 0)
val = _quant;
return val;
}
//---------------------------------------------------------
// readStatus
//---------------------------------------------------------
void MidiEditor::readStatus(Xml& xml)
{
if (_pl == 0)
_pl = new PartList;
for (;;) {
Xml::Token token = xml.parse();
QString tag = xml.s1();
switch (token) {
case Xml::Error:
case Xml::End:
return;
case Xml::TagStart:
if (tag == "quant")
_quant = xml.parseInt();
else if (tag == "raster")
_raster = xml.parseInt();
else if (tag == "topwin")
TopWin::readStatus(xml);
else
xml.unknown("MidiEditor");
break;
case Xml::TagEnd:
if (tag == "midieditor")
return;
default:
break;
}
}
}
//---------------------------------------------------------
// writePartList
//---------------------------------------------------------
void MidiEditor::writePartList(int level, Xml& xml) const
{
for (ciPart p = _pl->begin(); p != _pl->end(); ++p) {
Part* part = p->second;
Track* track = part->track();
int trkIdx = song->tracks()->index(track);
int partIdx = track->parts()->index(part);
xml.put(level, "<part>%d:%d</part>", trkIdx, partIdx);
}
}
//---------------------------------------------------------
// writeStatus
//---------------------------------------------------------
void MidiEditor::writeStatus(int level, Xml& xml) const
{
xml.tag(level++, "midieditor");
TopWin::writeStatus(level, xml);
xml.intTag(level, "quant", _quant);
xml.intTag(level, "raster", _raster);
xml.tag(level, "/midieditor");
}
//---------------------------------------------------------
// songChanged
//---------------------------------------------------------
void MidiEditor::songChanged(int type)
{
if (type) {
if (type & (SC_PART_REMOVED | SC_PART_MODIFIED
| SC_PART_INSERTED | SC_TRACK_REMOVED)) {
genPartlist();
// close window if editor has no parts anymore
if (parts()->empty()) {
close(false);
return;
}
}
if (canvas)
canvas->songChanged(type);
else if (wview)
wview->songChanged(type);
if (type & (SC_PART_REMOVED | SC_PART_MODIFIED
| SC_PART_INSERTED | SC_TRACK_REMOVED)) {
int s, e;
if (canvas)
canvas->range(&s, &e);
else if (wview)
wview->range(&s, &e);
int s1, e1;
hscroll->range(&s1, &e1);
if (s != s1 || e != e1) {
hscroll->setRange(s, e);
hscroll->setOffset(s);
}
if (canvas)
setCaption(canvas->getCaption());
else if (wview)
setCaption(wview->getCaption());
if (type & SC_SIG)
time->update();
}
}
}
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