Chris@58: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@30: 
Chris@30: /*
Chris@59:     Sonic Visualiser
Chris@59:     An audio file viewer and annotation editor.
Chris@59:     Centre for Digital Music, Queen Mary, University of London.
Chris@59:     This file copyright 2006 Chris Cannam.
Chris@30:     
Chris@59:     This program is free software; you can redistribute it and/or
Chris@59:     modify it under the terms of the GNU General Public License as
Chris@59:     published by the Free Software Foundation; either version 2 of the
Chris@59:     License, or (at your option) any later version.  See the file
Chris@59:     COPYING included with this distribution for more information.
Chris@30: */
Chris@30: 
Chris@30: #include "NoteLayer.h"
Chris@30: 
Chris@128: #include "data/model/Model.h"
Chris@30: #include "base/RealTime.h"
Chris@30: #include "base/Profiler.h"
Chris@30: #include "base/Pitch.h"
Chris@197: #include "base/LogRange.h"
Chris@439: #include "base/RangeMapper.h"
Chris@376: #include "ColourDatabase.h"
Chris@128: #include "view/View.h"
Chris@30: 
Chris@128: #include "data/model/NoteModel.h"
Chris@30: 
Chris@70: #include "widgets/ItemEditDialog.h"
Chris@70: 
Chris@42: #include "SpectrogramLayer.h" // for optional frequency alignment
Chris@42: 
Chris@30: #include <QPainter>
Chris@30: #include <QPainterPath>
Chris@30: #include <QMouseEvent>
Chris@316: #include <QTextStream>
Chris@360: #include <QMessageBox>
Chris@30: 
Chris@30: #include <iostream>
Chris@30: #include <cmath>
Chris@30: 
Chris@44: NoteLayer::NoteLayer() :
Chris@287:     SingleColourLayer(),
Chris@30:     m_model(0),
Chris@30:     m_editing(false),
Chris@335:     m_originalPoint(0, 0.0, 0, 1.f, tr("New Point")),
Chris@335:     m_editingPoint(0, 0.0, 0, 1.f, tr("New Point")),
Chris@30:     m_editingCommand(0),
Chris@439:     m_verticalScale(AutoAlignScale),
Chris@439:     m_scaleMinimum(0),
Chris@439:     m_scaleMaximum(0)
Chris@30: {
Chris@44:     
Chris@30: }
Chris@30: 
Chris@30: void
Chris@30: NoteLayer::setModel(NoteModel *model)
Chris@30: {
Chris@30:     if (m_model == model) return;
Chris@30:     m_model = model;
Chris@30: 
Chris@320:     connectSignals(m_model);
Chris@30: 
Chris@101: //    std::cerr << "NoteLayer::setModel(" << model << ")" << std::endl;
Chris@30: 
Chris@439:     m_scaleMinimum = 0;
Chris@439:     m_scaleMaximum = 0;
Chris@439: 
Chris@30:     emit modelReplaced();
Chris@30: }
Chris@30: 
Chris@30: Layer::PropertyList
Chris@30: NoteLayer::getProperties() const
Chris@30: {
Chris@287:     PropertyList list = SingleColourLayer::getProperties();
Chris@87:     list.push_back("Vertical Scale");
Chris@100:     list.push_back("Scale Units");
Chris@30:     return list;
Chris@30: }
Chris@30: 
Chris@87: QString
Chris@87: NoteLayer::getPropertyLabel(const PropertyName &name) const
Chris@87: {
Chris@87:     if (name == "Vertical Scale") return tr("Vertical Scale");
Chris@116:     if (name == "Scale Units") return tr("Scale Units");
Chris@287:     return SingleColourLayer::getPropertyLabel(name);
Chris@87: }
Chris@87: 
Chris@30: Layer::PropertyType
Chris@100: NoteLayer::getPropertyType(const PropertyName &name) const
Chris@30: {
Chris@100:     if (name == "Scale Units") return UnitsProperty;
Chris@287:     if (name == "Vertical Scale") return ValueProperty;
Chris@287:     return SingleColourLayer::getPropertyType(name);
Chris@30: }
Chris@30: 
Chris@198: QString
Chris@198: NoteLayer::getPropertyGroupName(const PropertyName &name) const
Chris@198: {
Chris@198:     if (name == "Vertical Scale" || name == "Scale Units") {
Chris@198:         return tr("Scale");
Chris@198:     }
Chris@287:     return SingleColourLayer::getPropertyGroupName(name);
Chris@198: }
Chris@198: 
Chris@30: int
Chris@30: NoteLayer::getPropertyRangeAndValue(const PropertyName &name,
Chris@216:                                     int *min, int *max, int *deflt) const
Chris@30: {
Chris@216:     int val = 0;
Chris@30: 
Chris@287:     if (name == "Vertical Scale") {
Chris@30: 	
Chris@30: 	if (min) *min = 0;
Chris@101: 	if (max) *max = 3;
Chris@216:         if (deflt) *deflt = int(AutoAlignScale);
Chris@30: 	
Chris@216: 	val = int(m_verticalScale);
Chris@30: 
Chris@100:     } else if (name == "Scale Units") {
Chris@100: 
Chris@216:         if (deflt) *deflt = 0;
Chris@100:         if (m_model) {
Chris@216:             val = UnitDatabase::getInstance()->getUnitId
Chris@100:                 (m_model->getScaleUnits());
Chris@100:         }
Chris@100: 
Chris@30:     } else {
Chris@216: 
Chris@287: 	val = SingleColourLayer::getPropertyRangeAndValue(name, min, max, deflt);
Chris@30:     }
Chris@30: 
Chris@216:     return val;
Chris@30: }
Chris@30: 
Chris@30: QString
Chris@30: NoteLayer::getPropertyValueLabel(const PropertyName &name,
Chris@287:                                  int value) const
Chris@30: {
Chris@287:     if (name == "Vertical Scale") {
Chris@30: 	switch (value) {
Chris@30: 	default:
Chris@101: 	case 0: return tr("Auto-Align");
Chris@198: 	case 1: return tr("Linear");
Chris@198: 	case 2: return tr("Log");
Chris@198: 	case 3: return tr("MIDI Notes");
Chris@30: 	}
Chris@30:     }
Chris@287:     return SingleColourLayer::getPropertyValueLabel(name, value);
Chris@30: }
Chris@30: 
Chris@30: void
Chris@30: NoteLayer::setProperty(const PropertyName &name, int value)
Chris@30: {
Chris@287:     if (name == "Vertical Scale") {
Chris@30: 	setVerticalScale(VerticalScale(value));
Chris@100:     } else if (name == "Scale Units") {
Chris@100:         if (m_model) {
Chris@100:             m_model->setScaleUnits
Chris@100:                 (UnitDatabase::getInstance()->getUnitById(value));
Chris@100:             emit modelChanged();
Chris@100:         }
Chris@287:     } else {
Chris@287:         return SingleColourLayer::setProperty(name, value);
Chris@30:     }
Chris@30: }
Chris@30: 
Chris@30: void
Chris@30: NoteLayer::setVerticalScale(VerticalScale scale)
Chris@30: {
Chris@30:     if (m_verticalScale == scale) return;
Chris@30:     m_verticalScale = scale;
Chris@30:     emit layerParametersChanged();
Chris@30: }
Chris@30: 
Chris@30: bool
Chris@44: NoteLayer::isLayerScrollable(const View *v) const
Chris@30: {
Chris@30:     QPoint discard;
Chris@44:     return !v->shouldIlluminateLocalFeatures(this, discard);
Chris@30: }
Chris@30: 
Chris@79: bool
Chris@101: NoteLayer::shouldConvertMIDIToHz() const
Chris@101: {
Chris@101:     QString unit = m_model->getScaleUnits();
Chris@101:     return (unit != "Hz");
Chris@101: //    if (unit == "" ||
Chris@101: //        unit.startsWith("MIDI") ||
Chris@101: //        unit.startsWith("midi")) return true;
Chris@101: //    return false;
Chris@101: }
Chris@101: 
Chris@101: bool
Chris@101: NoteLayer::getValueExtents(float &min, float &max,
Chris@101:                            bool &logarithmic, QString &unit) const
Chris@79: {
Chris@79:     if (!m_model) return false;
Chris@79:     min = m_model->getValueMinimum();
Chris@79:     max = m_model->getValueMaximum();
Chris@101: 
Chris@105:     if (shouldConvertMIDIToHz()) {
Chris@105:         unit = "Hz";
Chris@105:         min = Pitch::getFrequencyForPitch(lrintf(min));
Chris@105:         max = Pitch::getFrequencyForPitch(lrintf(max + 1));
Chris@105:     } else unit = m_model->getScaleUnits();
Chris@101: 
Chris@101:     if (m_verticalScale == MIDIRangeScale ||
Chris@101:         m_verticalScale == LogScale) logarithmic = true;
Chris@101: 
Chris@101:     return true;
Chris@101: }
Chris@101: 
Chris@101: bool
Chris@101: NoteLayer::getDisplayExtents(float &min, float &max) const
Chris@101: {
Chris@439:     if (!m_model || shouldAutoAlign()) return false;
Chris@101: 
Chris@101:     if (m_verticalScale == MIDIRangeScale) {
Chris@101:         min = Pitch::getFrequencyForPitch(0);
Chris@101:         max = Pitch::getFrequencyForPitch(127);
Chris@101:         return true;
Chris@101:     }
Chris@101: 
Chris@439:     if (m_scaleMinimum == m_scaleMaximum) {
Chris@455:         min = m_model->getValueMinimum();
Chris@455:         max = m_model->getValueMaximum();
Chris@455:     } else {
Chris@455:         min = m_scaleMinimum;
Chris@455:         max = m_scaleMaximum;
Chris@439:     }
Chris@439: 
Chris@101:     if (shouldConvertMIDIToHz()) {
Chris@101:         min = Pitch::getFrequencyForPitch(lrintf(min));
Chris@101:         max = Pitch::getFrequencyForPitch(lrintf(max + 1));
Chris@101:     }
Chris@101: 
Chris@79:     return true;
Chris@79: }
Chris@79: 
Chris@439: bool
Chris@439: NoteLayer::setDisplayExtents(float min, float max)
Chris@439: {
Chris@439:     if (!m_model) return false;
Chris@439: 
Chris@439:     if (min == max) {
Chris@439:         if (min == 0.f) {
Chris@439:             max = 1.f;
Chris@439:         } else {
Chris@439:             max = min * 1.0001;
Chris@439:         }
Chris@439:     }
Chris@439: 
Chris@439:     m_scaleMinimum = min;
Chris@439:     m_scaleMaximum = max;
Chris@439: 
Chris@439: //    std::cerr << "NoteLayer::setDisplayExtents: min = " << min << ", max = " << max << std::endl;
Chris@439:     
Chris@439:     emit layerParametersChanged();
Chris@439:     return true;
Chris@439: }
Chris@439: 
Chris@439: int
Chris@439: NoteLayer::getVerticalZoomSteps(int &defaultStep) const
Chris@439: {
Chris@439:     if (shouldAutoAlign()) return 0;
Chris@439:     if (!m_model) return 0;
Chris@439: 
Chris@439:     defaultStep = 0;
Chris@439:     return 100;
Chris@439: }
Chris@439: 
Chris@439: int
Chris@439: NoteLayer::getCurrentVerticalZoomStep() const
Chris@439: {
Chris@439:     if (shouldAutoAlign()) return 0;
Chris@439:     if (!m_model) return 0;
Chris@439: 
Chris@439:     RangeMapper *mapper = getNewVerticalZoomRangeMapper();
Chris@439:     if (!mapper) return 0;
Chris@439: 
Chris@439:     float dmin, dmax;
Chris@439:     getDisplayExtents(dmin, dmax);
Chris@439: 
Chris@439:     int nr = mapper->getPositionForValue(dmax - dmin);
Chris@439: 
Chris@439:     delete mapper;
Chris@439: 
Chris@439:     return 100 - nr;
Chris@439: }
Chris@439: 
Chris@439: //!!! lots of duplication with TimeValueLayer
Chris@439: 
Chris@439: void
Chris@439: NoteLayer::setVerticalZoomStep(int step)
Chris@439: {
Chris@439:     if (shouldAutoAlign()) return;
Chris@439:     if (!m_model) return;
Chris@439: 
Chris@439:     RangeMapper *mapper = getNewVerticalZoomRangeMapper();
Chris@439:     if (!mapper) return;
Chris@439:     
Chris@439:     float min, max;
Chris@439:     bool logarithmic;
Chris@439:     QString unit;
Chris@439:     getValueExtents(min, max, logarithmic, unit);
Chris@439:     
Chris@439:     float dmin, dmax;
Chris@439:     getDisplayExtents(dmin, dmax);
Chris@439: 
Chris@439:     float newdist = mapper->getValueForPosition(100 - step);
Chris@439: 
Chris@439:     float newmin, newmax;
Chris@439: 
Chris@439:     if (logarithmic) {
Chris@439: 
Chris@439:         // see SpectrogramLayer::setVerticalZoomStep
Chris@439: 
Chris@439:         newmax = (newdist + sqrtf(newdist*newdist + 4*dmin*dmax)) / 2;
Chris@439:         newmin = newmax - newdist;
Chris@439: 
Chris@439: //        std::cerr << "newmin = " << newmin << ", newmax = " << newmax << std::endl;
Chris@439: 
Chris@439:     } else {
Chris@439:         float dmid = (dmax + dmin) / 2;
Chris@439:         newmin = dmid - newdist / 2;
Chris@439:         newmax = dmid + newdist / 2;
Chris@439:     }
Chris@439: 
Chris@439:     if (newmin < min) {
Chris@439:         newmax += (min - newmin);
Chris@439:         newmin = min;
Chris@439:     }
Chris@439:     if (newmax > max) {
Chris@439:         newmax = max;
Chris@439:     }
Chris@439:     
Chris@439:     std::cerr << "NoteLayer::setVerticalZoomStep: " << step << ": " << newmin << " -> " << newmax << " (range " << newdist << ")" << std::endl;
Chris@439: 
Chris@439:     setDisplayExtents(newmin, newmax);
Chris@439: }
Chris@439: 
Chris@439: RangeMapper *
Chris@439: NoteLayer::getNewVerticalZoomRangeMapper() const
Chris@439: {
Chris@439:     if (!m_model) return 0;
Chris@439:     
Chris@439:     RangeMapper *mapper;
Chris@439: 
Chris@439:     float min, max;
Chris@439:     bool logarithmic;
Chris@439:     QString unit;
Chris@439:     getValueExtents(min, max, logarithmic, unit);
Chris@439: 
Chris@439:     if (min == max) return 0;
Chris@439:     
Chris@439:     if (logarithmic) {
Chris@439:         mapper = new LogRangeMapper(0, 100, min, max, unit);
Chris@439:     } else {
Chris@439:         mapper = new LinearRangeMapper(0, 100, min, max, unit);
Chris@439:     }
Chris@439: 
Chris@439:     return mapper;
Chris@439: }
Chris@439: 
Chris@30: NoteModel::PointList
Chris@44: NoteLayer::getLocalPoints(View *v, int x) const
Chris@30: {
Chris@30:     if (!m_model) return NoteModel::PointList();
Chris@30: 
Chris@44:     long frame = v->getFrameForX(x);
Chris@30: 
Chris@30:     NoteModel::PointList onPoints =
Chris@30: 	m_model->getPoints(frame);
Chris@30: 
Chris@30:     if (!onPoints.empty()) {
Chris@30: 	return onPoints;
Chris@30:     }
Chris@30: 
Chris@30:     NoteModel::PointList prevPoints =
Chris@30: 	m_model->getPreviousPoints(frame);
Chris@30:     NoteModel::PointList nextPoints =
Chris@30: 	m_model->getNextPoints(frame);
Chris@30: 
Chris@30:     NoteModel::PointList usePoints = prevPoints;
Chris@30: 
Chris@30:     if (prevPoints.empty()) {
Chris@30: 	usePoints = nextPoints;
Chris@248:     } else if (long(prevPoints.begin()->frame) < v->getStartFrame() &&
Chris@44: 	       !(nextPoints.begin()->frame > v->getEndFrame())) {
Chris@30: 	usePoints = nextPoints;
Chris@248:     } else if (long(nextPoints.begin()->frame) - frame <
Chris@248: 	       frame - long(prevPoints.begin()->frame)) {
Chris@30: 	usePoints = nextPoints;
Chris@30:     }
Chris@30: 
Chris@30:     if (!usePoints.empty()) {
Chris@30: 	int fuzz = 2;
Chris@44: 	int px = v->getXForFrame(usePoints.begin()->frame);
Chris@30: 	if ((px > x && px - x > fuzz) ||
Chris@30: 	    (px < x && x - px > fuzz + 1)) {
Chris@30: 	    usePoints.clear();
Chris@30: 	}
Chris@30:     }
Chris@30: 
Chris@30:     return usePoints;
Chris@30: }
Chris@30: 
Chris@30: QString
Chris@44: NoteLayer::getFeatureDescription(View *v, QPoint &pos) const
Chris@30: {
Chris@30:     int x = pos.x();
Chris@30: 
Chris@30:     if (!m_model || !m_model->getSampleRate()) return "";
Chris@30: 
Chris@44:     NoteModel::PointList points = getLocalPoints(v, x);
Chris@30: 
Chris@30:     if (points.empty()) {
Chris@30: 	if (!m_model->isReady()) {
Chris@30: 	    return tr("In progress");
Chris@30: 	} else {
Chris@30: 	    return tr("No local points");
Chris@30: 	}
Chris@30:     }
Chris@30: 
Chris@30:     Note note(0);
Chris@30:     NoteModel::PointList::iterator i;
Chris@30: 
Chris@30:     for (i = points.begin(); i != points.end(); ++i) {
Chris@30: 
Chris@44: 	int y = getYForValue(v, i->value);
Chris@30: 	int h = 3;
Chris@30: 
Chris@30: 	if (m_model->getValueQuantization() != 0.0) {
Chris@44: 	    h = y - getYForValue(v, i->value + m_model->getValueQuantization());
Chris@30: 	    if (h < 3) h = 3;
Chris@30: 	}
Chris@30: 
Chris@30: 	if (pos.y() >= y - h && pos.y() <= y) {
Chris@30: 	    note = *i;
Chris@30: 	    break;
Chris@30: 	}
Chris@30:     }
Chris@30: 
Chris@30:     if (i == points.end()) return tr("No local points");
Chris@30: 
Chris@30:     RealTime rt = RealTime::frame2RealTime(note.frame,
Chris@30: 					   m_model->getSampleRate());
Chris@30:     RealTime rd = RealTime::frame2RealTime(note.duration,
Chris@30: 					   m_model->getSampleRate());
Chris@30:     
Chris@101:     QString pitchText;
Chris@101: 
Chris@101:     if (shouldConvertMIDIToHz()) {
Chris@101: 
Chris@101:         int mnote = lrintf(note.value);
Chris@101:         int cents = lrintf((note.value - mnote) * 100);
Chris@101:         float freq = Pitch::getFrequencyForPitch(mnote, cents);
Chris@234:         pitchText = tr("%1 (%2 Hz)")
Chris@101:             .arg(Pitch::getPitchLabel(mnote, cents)).arg(freq);
Chris@101: 
Chris@101:     } else if (m_model->getScaleUnits() == "Hz") {
Chris@101: 
Chris@234:         pitchText = tr("%1 Hz (%2)")
Chris@101:             .arg(note.value)
Chris@101:             .arg(Pitch::getPitchLabelForFrequency(note.value));
Chris@101: 
Chris@101:     } else {
Chris@234:         pitchText = tr("%1 %2")
Chris@101:             .arg(note.value).arg(m_model->getScaleUnits());
Chris@101:     }
Chris@101: 
Chris@30:     QString text;
Chris@30: 
Chris@30:     if (note.label == "") {
Chris@30: 	text = QString(tr("Time:\t%1\nPitch:\t%2\nDuration:\t%3\nNo label"))
Chris@30: 	    .arg(rt.toText(true).c_str())
Chris@101: 	    .arg(pitchText)
Chris@30: 	    .arg(rd.toText(true).c_str());
Chris@30:     } else {
Chris@30: 	text = QString(tr("Time:\t%1\nPitch:\t%2\nDuration:\t%3\nLabel:\t%4"))
Chris@30: 	    .arg(rt.toText(true).c_str())
Chris@101: 	    .arg(pitchText)
Chris@30: 	    .arg(rd.toText(true).c_str())
Chris@30: 	    .arg(note.label);
Chris@30:     }
Chris@30: 
Chris@44:     pos = QPoint(v->getXForFrame(note.frame),
Chris@44: 		 getYForValue(v, note.value));
Chris@30:     return text;
Chris@30: }
Chris@30: 
Chris@30: bool
Chris@44: NoteLayer::snapToFeatureFrame(View *v, int &frame,
Chris@44: 			      size_t &resolution,
Chris@44: 			      SnapType snap) const
Chris@30: {
Chris@30:     if (!m_model) {
Chris@44: 	return Layer::snapToFeatureFrame(v, frame, resolution, snap);
Chris@30:     }
Chris@30: 
Chris@30:     resolution = m_model->getResolution();
Chris@30:     NoteModel::PointList points;
Chris@30: 
Chris@30:     if (snap == SnapNeighbouring) {
Chris@30: 	
Chris@44: 	points = getLocalPoints(v, v->getXForFrame(frame));
Chris@30: 	if (points.empty()) return false;
Chris@30: 	frame = points.begin()->frame;
Chris@30: 	return true;
Chris@30:     }    
Chris@30: 
Chris@30:     points = m_model->getPoints(frame, frame);
Chris@30:     int snapped = frame;
Chris@30:     bool found = false;
Chris@30: 
Chris@30:     for (NoteModel::PointList::const_iterator i = points.begin();
Chris@30: 	 i != points.end(); ++i) {
Chris@30: 
Chris@30: 	if (snap == SnapRight) {
Chris@30: 
Chris@30: 	    if (i->frame > frame) {
Chris@30: 		snapped = i->frame;
Chris@30: 		found = true;
Chris@30: 		break;
Chris@30: 	    }
Chris@30: 
Chris@30: 	} else if (snap == SnapLeft) {
Chris@30: 
Chris@30: 	    if (i->frame <= frame) {
Chris@30: 		snapped = i->frame;
Chris@30: 		found = true; // don't break, as the next may be better
Chris@30: 	    } else {
Chris@30: 		break;
Chris@30: 	    }
Chris@30: 
Chris@30: 	} else { // nearest
Chris@30: 
Chris@30: 	    NoteModel::PointList::const_iterator j = i;
Chris@30: 	    ++j;
Chris@30: 
Chris@30: 	    if (j == points.end()) {
Chris@30: 
Chris@30: 		snapped = i->frame;
Chris@30: 		found = true;
Chris@30: 		break;
Chris@30: 
Chris@30: 	    } else if (j->frame >= frame) {
Chris@30: 
Chris@30: 		if (j->frame - frame < frame - i->frame) {
Chris@30: 		    snapped = j->frame;
Chris@30: 		} else {
Chris@30: 		    snapped = i->frame;
Chris@30: 		}
Chris@30: 		found = true;
Chris@30: 		break;
Chris@30: 	    }
Chris@30: 	}
Chris@30:     }
Chris@30: 
Chris@30:     frame = snapped;
Chris@30:     return found;
Chris@30: }
Chris@30: 
Chris@101: void
Chris@101: NoteLayer::getScaleExtents(View *v, float &min, float &max, bool &log) const
Chris@30: {
Chris@101:     min = 0.0;
Chris@101:     max = 0.0;
Chris@101:     log = false;
Chris@42: 
Chris@101:     QString queryUnits;
Chris@101:     if (shouldConvertMIDIToHz()) queryUnits = "Hz";
Chris@101:     else queryUnits = m_model->getScaleUnits();
Chris@30: 
Chris@439:     if (shouldAutoAlign()) {
Chris@30: 
Chris@101:         if (!v->getValueExtents(queryUnits, min, max, log)) {
Chris@30: 
Chris@101:             min = m_model->getValueMinimum();
Chris@101:             max = m_model->getValueMaximum();
Chris@42: 
Chris@101:             if (shouldConvertMIDIToHz()) {
Chris@101:                 min = Pitch::getFrequencyForPitch(lrintf(min));
Chris@101:                 max = Pitch::getFrequencyForPitch(lrintf(max + 1));
Chris@101:             }
Chris@42: 
Chris@105:             std::cerr << "NoteLayer[" << this << "]::getScaleExtents: min = " << min << ", max = " << max << ", log = " << log << std::endl;
Chris@105: 
Chris@101:         } else if (log) {
Chris@101: 
Chris@197:             LogRange::mapRange(min, max);
Chris@105: 
Chris@105:             std::cerr << "NoteLayer[" << this << "]::getScaleExtents: min = " << min << ", max = " << max << ", log = " << log << std::endl;
Chris@105: 
Chris@101:         }
Chris@101: 
Chris@101:     } else {
Chris@101: 
Chris@439:         getDisplayExtents(min, max);
Chris@101: 
Chris@101:         if (m_verticalScale == MIDIRangeScale) {
Chris@101:             min = Pitch::getFrequencyForPitch(0);
Chris@101:             max = Pitch::getFrequencyForPitch(127);
Chris@101:         } else if (shouldConvertMIDIToHz()) {
Chris@101:             min = Pitch::getFrequencyForPitch(lrintf(min));
Chris@101:             max = Pitch::getFrequencyForPitch(lrintf(max + 1));
Chris@101:         }
Chris@101: 
Chris@101:         if (m_verticalScale == LogScale || m_verticalScale == MIDIRangeScale) {
Chris@197:             LogRange::mapRange(min, max);
Chris@101:             log = true;
Chris@101:         }
Chris@30:     }
Chris@30: 
Chris@101:     if (max == min) max = min + 1.0;
Chris@101: }
Chris@30: 
Chris@101: int
Chris@101: NoteLayer::getYForValue(View *v, float val) const
Chris@101: {
Chris@101:     float min = 0.0, max = 0.0;
Chris@101:     bool logarithmic = false;
Chris@101:     int h = v->height();
Chris@101: 
Chris@101:     getScaleExtents(v, min, max, logarithmic);
Chris@101: 
Chris@101: //    std::cerr << "NoteLayer[" << this << "]::getYForValue(" << val << "): min = " << min << ", max = " << max << ", log = " << logarithmic << std::endl;
Chris@101: 
Chris@101:     if (shouldConvertMIDIToHz()) {
Chris@101:         val = Pitch::getFrequencyForPitch(lrintf(val),
Chris@101:                                           lrintf((val - lrintf(val)) * 100));
Chris@101: //        std::cerr << "shouldConvertMIDIToHz true, val now = " << val << std::endl;
Chris@101:     }
Chris@101: 
Chris@101:     if (logarithmic) {
Chris@197:         val = LogRange::map(val);
Chris@101: //        std::cerr << "logarithmic true, val now = " << val << std::endl;
Chris@101:     }
Chris@101: 
Chris@101:     int y = int(h - ((val - min) * h) / (max - min)) - 1;
Chris@101: //    std::cerr << "y = " << y << std::endl;
Chris@101:     return y;
Chris@30: }
Chris@30: 
Chris@30: float
Chris@44: NoteLayer::getValueForY(View *v, int y) const
Chris@30: {
Chris@101:     float min = 0.0, max = 0.0;
Chris@101:     bool logarithmic = false;
Chris@44:     int h = v->height();
Chris@30: 
Chris@101:     getScaleExtents(v, min, max, logarithmic);
Chris@101: 
Chris@101:     float val = min + (float(h - y) * float(max - min)) / h;
Chris@101: 
Chris@101:     if (logarithmic) {
Chris@197:         val = powf(10.f, val);
Chris@101:     }
Chris@101: 
Chris@101:     if (shouldConvertMIDIToHz()) {
Chris@101:         val = Pitch::getPitchForFrequency(val);
Chris@101:     }
Chris@101: 
Chris@101:     return val;
Chris@30: }
Chris@30: 
Chris@439: bool
Chris@439: NoteLayer::shouldAutoAlign() const
Chris@439: {
Chris@439:     if (!m_model) return false;
Chris@439:     return (m_verticalScale == AutoAlignScale);
Chris@439: }
Chris@439: 
Chris@30: void
Chris@44: NoteLayer::paint(View *v, QPainter &paint, QRect rect) const
Chris@30: {
Chris@30:     if (!m_model || !m_model->isOK()) return;
Chris@30: 
Chris@30:     int sampleRate = m_model->getSampleRate();
Chris@30:     if (!sampleRate) return;
Chris@30: 
Chris@30: //    Profiler profiler("NoteLayer::paint", true);
Chris@30: 
Chris@30:     int x0 = rect.left(), x1 = rect.right();
Chris@44:     long frame0 = v->getFrameForX(x0);
Chris@44:     long frame1 = v->getFrameForX(x1);
Chris@30: 
Chris@30:     NoteModel::PointList points(m_model->getPoints(frame0, frame1));
Chris@30:     if (points.empty()) return;
Chris@30: 
Chris@287:     paint.setPen(getBaseQColor());
Chris@30: 
Chris@287:     QColor brushColour(getBaseQColor());
Chris@30:     brushColour.setAlpha(80);
Chris@30: 
Chris@30: //    std::cerr << "NoteLayer::paint: resolution is "
Chris@30: //	      << m_model->getResolution() << " frames" << std::endl;
Chris@30: 
Chris@30:     float min = m_model->getValueMinimum();
Chris@30:     float max = m_model->getValueMaximum();
Chris@30:     if (max == min) max = min + 1.0;
Chris@30: 
Chris@30:     QPoint localPos;
Chris@30:     long illuminateFrame = -1;
Chris@30: 
Chris@44:     if (v->shouldIlluminateLocalFeatures(this, localPos)) {
Chris@30: 	NoteModel::PointList localPoints =
Chris@44: 	    getLocalPoints(v, localPos.x());
Chris@30: 	if (!localPoints.empty()) illuminateFrame = localPoints.begin()->frame;
Chris@30:     }
Chris@30: 
Chris@30:     paint.save();
Chris@30:     paint.setRenderHint(QPainter::Antialiasing, false);
Chris@30:     
Chris@30:     for (NoteModel::PointList::const_iterator i = points.begin();
Chris@30: 	 i != points.end(); ++i) {
Chris@30: 
Chris@30: 	const NoteModel::Point &p(*i);
Chris@30: 
Chris@44: 	int x = v->getXForFrame(p.frame);
Chris@44: 	int y = getYForValue(v, p.value);
Chris@44: 	int w = v->getXForFrame(p.frame + p.duration) - x;
Chris@30: 	int h = 3;
Chris@30: 	
Chris@30: 	if (m_model->getValueQuantization() != 0.0) {
Chris@44: 	    h = y - getYForValue(v, p.value + m_model->getValueQuantization());
Chris@30: 	    if (h < 3) h = 3;
Chris@30: 	}
Chris@30: 
Chris@30: 	if (w < 1) w = 1;
Chris@287: 	paint.setPen(getBaseQColor());
Chris@30: 	paint.setBrush(brushColour);
Chris@30: 
Chris@30: 	if (illuminateFrame == p.frame) {
Chris@30: 	    if (localPos.y() >= y - h && localPos.y() < y) {
Chris@287: 		paint.setPen(v->getForeground());
Chris@287: 		paint.setBrush(v->getForeground());
Chris@30: 	    }
Chris@30: 	}
Chris@30: 	
Chris@124: 	paint.drawRect(x, y - h/2, w, h);
Chris@30: 
Chris@30: ///	if (p.label != "") {
Chris@30: ///	    paint.drawText(x + 5, y - paint.fontMetrics().height() + paint.fontMetrics().ascent(), p.label);
Chris@30: ///	}
Chris@30:     }
Chris@30: 
Chris@30:     paint.restore();
Chris@30: }
Chris@30: 
Chris@30: void
Chris@44: NoteLayer::drawStart(View *v, QMouseEvent *e)
Chris@30: {
Chris@101: //    std::cerr << "NoteLayer::drawStart(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@30: 
Chris@30:     if (!m_model) return;
Chris@30: 
Chris@44:     long frame = v->getFrameForX(e->x());
Chris@30:     if (frame < 0) frame = 0;
Chris@30:     frame = frame / m_model->getResolution() * m_model->getResolution();
Chris@30: 
Chris@44:     float value = getValueForY(v, e->y());
Chris@30: 
Chris@335:     m_editingPoint = NoteModel::Point(frame, value, 0, 0.8, tr("New Point"));
Chris@30:     m_originalPoint = m_editingPoint;
Chris@30: 
Chris@376:     if (m_editingCommand) finish(m_editingCommand);
Chris@30:     m_editingCommand = new NoteModel::EditCommand(m_model,
Chris@30: 						  tr("Draw Point"));
Chris@30:     m_editingCommand->addPoint(m_editingPoint);
Chris@30: 
Chris@30:     m_editing = true;
Chris@30: }
Chris@30: 
Chris@30: void
Chris@44: NoteLayer::drawDrag(View *v, QMouseEvent *e)
Chris@30: {
Chris@101: //    std::cerr << "NoteLayer::drawDrag(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@30: 
Chris@30:     if (!m_model || !m_editing) return;
Chris@30: 
Chris@44:     long frame = v->getFrameForX(e->x());
Chris@30:     if (frame < 0) frame = 0;
Chris@30:     frame = frame / m_model->getResolution() * m_model->getResolution();
Chris@30: 
Chris@101:     float newValue = getValueForY(v, e->y());
Chris@101: 
Chris@101:     long newFrame = m_editingPoint.frame;
Chris@101:     long newDuration = frame - newFrame;
Chris@101:     if (newDuration < 0) {
Chris@101:         newFrame = frame;
Chris@101:         newDuration = -newDuration;
Chris@101:     } else if (newDuration == 0) {
Chris@101:         newDuration = 1;
Chris@101:     }
Chris@30: 
Chris@30:     m_editingCommand->deletePoint(m_editingPoint);
Chris@101:     m_editingPoint.frame = newFrame;
Chris@101:     m_editingPoint.value = newValue;
Chris@101:     m_editingPoint.duration = newDuration;
Chris@30:     m_editingCommand->addPoint(m_editingPoint);
Chris@30: }
Chris@30: 
Chris@30: void
Chris@248: NoteLayer::drawEnd(View *, QMouseEvent *)
Chris@30: {
Chris@101: //    std::cerr << "NoteLayer::drawEnd(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@30:     if (!m_model || !m_editing) return;
Chris@376:     finish(m_editingCommand);
Chris@30:     m_editingCommand = 0;
Chris@30:     m_editing = false;
Chris@30: }
Chris@30: 
Chris@30: void
Chris@335: NoteLayer::eraseStart(View *v, QMouseEvent *e)
Chris@335: {
Chris@335:     if (!m_model) return;
Chris@335: 
Chris@335:     NoteModel::PointList points = getLocalPoints(v, e->x());
Chris@335:     if (points.empty()) return;
Chris@335: 
Chris@335:     m_editingPoint = *points.begin();
Chris@335: 
Chris@335:     if (m_editingCommand) {
Chris@376: 	finish(m_editingCommand);
Chris@335: 	m_editingCommand = 0;
Chris@335:     }
Chris@335: 
Chris@335:     m_editing = true;
Chris@335: }
Chris@335: 
Chris@335: void
Chris@335: NoteLayer::eraseDrag(View *v, QMouseEvent *e)
Chris@335: {
Chris@335: }
Chris@335: 
Chris@335: void
Chris@335: NoteLayer::eraseEnd(View *v, QMouseEvent *e)
Chris@335: {
Chris@335:     if (!m_model || !m_editing) return;
Chris@335: 
Chris@335:     m_editing = false;
Chris@335: 
Chris@335:     NoteModel::PointList points = getLocalPoints(v, e->x());
Chris@335:     if (points.empty()) return;
Chris@335:     if (points.begin()->frame != m_editingPoint.frame ||
Chris@335:         points.begin()->value != m_editingPoint.value) return;
Chris@335: 
Chris@335:     m_editingCommand = new NoteModel::EditCommand
Chris@335:         (m_model, tr("Erase Point"));
Chris@335: 
Chris@335:     m_editingCommand->deletePoint(m_editingPoint);
Chris@335: 
Chris@376:     finish(m_editingCommand);
Chris@335:     m_editingCommand = 0;
Chris@335:     m_editing = false;
Chris@335: }
Chris@335: 
Chris@335: void
Chris@44: NoteLayer::editStart(View *v, QMouseEvent *e)
Chris@30: {
Chris@101: //    std::cerr << "NoteLayer::editStart(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@30: 
Chris@30:     if (!m_model) return;
Chris@30: 
Chris@44:     NoteModel::PointList points = getLocalPoints(v, e->x());
Chris@30:     if (points.empty()) return;
Chris@30: 
Chris@30:     m_editingPoint = *points.begin();
Chris@30:     m_originalPoint = m_editingPoint;
Chris@30: 
Chris@30:     if (m_editingCommand) {
Chris@376: 	finish(m_editingCommand);
Chris@30: 	m_editingCommand = 0;
Chris@30:     }
Chris@30: 
Chris@30:     m_editing = true;
Chris@30: }
Chris@30: 
Chris@30: void
Chris@44: NoteLayer::editDrag(View *v, QMouseEvent *e)
Chris@30: {
Chris@101: //    std::cerr << "NoteLayer::editDrag(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@30: 
Chris@30:     if (!m_model || !m_editing) return;
Chris@30: 
Chris@44:     long frame = v->getFrameForX(e->x());
Chris@30:     if (frame < 0) frame = 0;
Chris@30:     frame = frame / m_model->getResolution() * m_model->getResolution();
Chris@30: 
Chris@44:     float value = getValueForY(v, e->y());
Chris@30: 
Chris@30:     if (!m_editingCommand) {
Chris@30: 	m_editingCommand = new NoteModel::EditCommand(m_model,
Chris@30: 						      tr("Drag Point"));
Chris@30:     }
Chris@30: 
Chris@30:     m_editingCommand->deletePoint(m_editingPoint);
Chris@30:     m_editingPoint.frame = frame;
Chris@30:     m_editingPoint.value = value;
Chris@30:     m_editingCommand->addPoint(m_editingPoint);
Chris@30: }
Chris@30: 
Chris@30: void
Chris@248: NoteLayer::editEnd(View *, QMouseEvent *)
Chris@30: {
Chris@101: //    std::cerr << "NoteLayer::editEnd(" << e->x() << "," << e->y() << ")" << std::endl;
Chris@30:     if (!m_model || !m_editing) return;
Chris@30: 
Chris@30:     if (m_editingCommand) {
Chris@30: 
Chris@30: 	QString newName = m_editingCommand->getName();
Chris@30: 
Chris@30: 	if (m_editingPoint.frame != m_originalPoint.frame) {
Chris@30: 	    if (m_editingPoint.value != m_originalPoint.value) {
Chris@30: 		newName = tr("Edit Point");
Chris@30: 	    } else {
Chris@30: 		newName = tr("Relocate Point");
Chris@30: 	    }
Chris@30: 	} else {
Chris@30: 	    newName = tr("Change Point Value");
Chris@30: 	}
Chris@30: 
Chris@30: 	m_editingCommand->setName(newName);
Chris@376: 	finish(m_editingCommand);
Chris@30:     }
Chris@30: 
Chris@30:     m_editingCommand = 0;
Chris@30:     m_editing = false;
Chris@30: }
Chris@30: 
Chris@255: bool
Chris@70: NoteLayer::editOpen(View *v, QMouseEvent *e)
Chris@70: {
Chris@255:     if (!m_model) return false;
Chris@70: 
Chris@70:     NoteModel::PointList points = getLocalPoints(v, e->x());
Chris@255:     if (points.empty()) return false;
Chris@70: 
Chris@70:     NoteModel::Point note = *points.begin();
Chris@70: 
Chris@70:     ItemEditDialog *dialog = new ItemEditDialog
Chris@70:         (m_model->getSampleRate(),
Chris@70:          ItemEditDialog::ShowTime |
Chris@70:          ItemEditDialog::ShowDuration |
Chris@70:          ItemEditDialog::ShowValue |
Chris@100:          ItemEditDialog::ShowText,
Chris@100:          m_model->getScaleUnits());
Chris@70: 
Chris@70:     dialog->setFrameTime(note.frame);
Chris@70:     dialog->setValue(note.value);
Chris@70:     dialog->setFrameDuration(note.duration);
Chris@70:     dialog->setText(note.label);
Chris@70: 
Chris@70:     if (dialog->exec() == QDialog::Accepted) {
Chris@70: 
Chris@70:         NoteModel::Point newNote = note;
Chris@70:         newNote.frame = dialog->getFrameTime();
Chris@70:         newNote.value = dialog->getValue();
Chris@70:         newNote.duration = dialog->getFrameDuration();
Chris@70:         newNote.label = dialog->getText();
Chris@70:         
Chris@70:         NoteModel::EditCommand *command = new NoteModel::EditCommand
Chris@70:             (m_model, tr("Edit Point"));
Chris@70:         command->deletePoint(note);
Chris@70:         command->addPoint(newNote);
Chris@376:         finish(command);
Chris@70:     }
Chris@70: 
Chris@70:     delete dialog;
Chris@255:     return true;
Chris@70: }
Chris@70: 
Chris@70: void
Chris@43: NoteLayer::moveSelection(Selection s, size_t newStartFrame)
Chris@43: {
Chris@99:     if (!m_model) return;
Chris@99: 
Chris@43:     NoteModel::EditCommand *command =
Chris@43: 	new NoteModel::EditCommand(m_model, tr("Drag Selection"));
Chris@43: 
Chris@43:     NoteModel::PointList points =
Chris@43: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@43: 
Chris@43:     for (NoteModel::PointList::iterator i = points.begin();
Chris@43: 	 i != points.end(); ++i) {
Chris@43: 
Chris@43: 	if (s.contains(i->frame)) {
Chris@43: 	    NoteModel::Point newPoint(*i);
Chris@43: 	    newPoint.frame = i->frame + newStartFrame - s.getStartFrame();
Chris@43: 	    command->deletePoint(*i);
Chris@43: 	    command->addPoint(newPoint);
Chris@43: 	}
Chris@43:     }
Chris@43: 
Chris@376:     finish(command);
Chris@43: }
Chris@43: 
Chris@43: void
Chris@43: NoteLayer::resizeSelection(Selection s, Selection newSize)
Chris@43: {
Chris@99:     if (!m_model) return;
Chris@99: 
Chris@43:     NoteModel::EditCommand *command =
Chris@43: 	new NoteModel::EditCommand(m_model, tr("Resize Selection"));
Chris@43: 
Chris@43:     NoteModel::PointList points =
Chris@43: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@43: 
Chris@43:     double ratio =
Chris@43: 	double(newSize.getEndFrame() - newSize.getStartFrame()) /
Chris@43: 	double(s.getEndFrame() - s.getStartFrame());
Chris@43: 
Chris@43:     for (NoteModel::PointList::iterator i = points.begin();
Chris@43: 	 i != points.end(); ++i) {
Chris@43: 
Chris@43: 	if (s.contains(i->frame)) {
Chris@43: 
Chris@43: 	    double targetStart = i->frame;
Chris@43: 	    targetStart = newSize.getStartFrame() + 
Chris@43: 		double(targetStart - s.getStartFrame()) * ratio;
Chris@43: 
Chris@43: 	    double targetEnd = i->frame + i->duration;
Chris@43: 	    targetEnd = newSize.getStartFrame() +
Chris@43: 		double(targetEnd - s.getStartFrame()) * ratio;
Chris@43: 
Chris@43: 	    NoteModel::Point newPoint(*i);
Chris@43: 	    newPoint.frame = lrint(targetStart);
Chris@43: 	    newPoint.duration = lrint(targetEnd - targetStart);
Chris@43: 	    command->deletePoint(*i);
Chris@43: 	    command->addPoint(newPoint);
Chris@43: 	}
Chris@43:     }
Chris@43: 
Chris@376:     finish(command);
Chris@43: }
Chris@43: 
Chris@76: void
Chris@76: NoteLayer::deleteSelection(Selection s)
Chris@76: {
Chris@99:     if (!m_model) return;
Chris@99: 
Chris@76:     NoteModel::EditCommand *command =
Chris@76: 	new NoteModel::EditCommand(m_model, tr("Delete Selected Points"));
Chris@76: 
Chris@76:     NoteModel::PointList points =
Chris@76: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@76: 
Chris@76:     for (NoteModel::PointList::iterator i = points.begin();
Chris@76: 	 i != points.end(); ++i) {
Chris@76: 
Chris@76:         if (s.contains(i->frame)) {
Chris@76:             command->deletePoint(*i);
Chris@76:         }
Chris@76:     }
Chris@76: 
Chris@376:     finish(command);
Chris@76: }    
Chris@76: 
Chris@76: void
Chris@359: NoteLayer::copy(View *v, Selection s, Clipboard &to)
Chris@76: {
Chris@99:     if (!m_model) return;
Chris@99: 
Chris@76:     NoteModel::PointList points =
Chris@76: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
Chris@76: 
Chris@76:     for (NoteModel::PointList::iterator i = points.begin();
Chris@76: 	 i != points.end(); ++i) {
Chris@76: 	if (s.contains(i->frame)) {
Chris@335:             Clipboard::Point point(i->frame, i->value, i->duration, i->level, i->label);
Chris@360:             point.setReferenceFrame(alignToReference(v, i->frame));
Chris@76:             to.addPoint(point);
Chris@76:         }
Chris@76:     }
Chris@76: }
Chris@76: 
Chris@125: bool
Chris@359: NoteLayer::paste(View *v, const Clipboard &from, int frameOffset, bool /* interactive */)
Chris@76: {
Chris@125:     if (!m_model) return false;
Chris@99: 
Chris@76:     const Clipboard::PointList &points = from.getPoints();
Chris@76: 
Chris@360:     bool realign = false;
Chris@360: 
Chris@360:     if (clipboardHasDifferentAlignment(v, from)) {
Chris@360: 
Chris@360:         QMessageBox::StandardButton button =
Chris@360:             QMessageBox::question(v, tr("Re-align pasted items?"),
Chris@360:                                   tr("The items you are pasting came from a layer with different source material from this one.  Do you want to re-align them in time, to match the source material for this layer?"),
Chris@360:                                   QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
Chris@360:                                   QMessageBox::Yes);
Chris@360: 
Chris@360:         if (button == QMessageBox::Cancel) {
Chris@360:             return false;
Chris@360:         }
Chris@360: 
Chris@360:         if (button == QMessageBox::Yes) {
Chris@360:             realign = true;
Chris@360:         }
Chris@360:     }
Chris@360: 
Chris@76:     NoteModel::EditCommand *command =
Chris@76: 	new NoteModel::EditCommand(m_model, tr("Paste"));
Chris@76: 
Chris@76:     for (Clipboard::PointList::const_iterator i = points.begin();
Chris@76:          i != points.end(); ++i) {
Chris@76:         
Chris@76:         if (!i->haveFrame()) continue;
Chris@76:         size_t frame = 0;
Chris@360: 
Chris@360:         if (!realign) {
Chris@360:             
Chris@360:             frame = i->getFrame();
Chris@360: 
Chris@360:         } else {
Chris@360: 
Chris@360:             if (i->haveReferenceFrame()) {
Chris@360:                 frame = i->getReferenceFrame();
Chris@360:                 frame = alignFromReference(v, frame);
Chris@360:             } else {
Chris@360:                 frame = i->getFrame();
Chris@360:             }
Chris@76:         }
Chris@360: 
Chris@76:         NoteModel::Point newPoint(frame);
Chris@76:   
Chris@76:         if (i->haveLabel()) newPoint.label = i->getLabel();
Chris@76:         if (i->haveValue()) newPoint.value = i->getValue();
Chris@76:         else newPoint.value = (m_model->getValueMinimum() +
Chris@76:                                m_model->getValueMaximum()) / 2;
Chris@335:         if (i->haveLevel()) newPoint.level = i->getLevel();
Chris@76:         if (i->haveDuration()) newPoint.duration = i->getDuration();
Chris@125:         else {
Chris@125:             size_t nextFrame = frame;
Chris@125:             Clipboard::PointList::const_iterator j = i;
Chris@125:             for (; j != points.end(); ++j) {
Chris@125:                 if (!j->haveFrame()) continue;
Chris@125:                 if (j != i) break;
Chris@125:             }
Chris@125:             if (j != points.end()) {
Chris@125:                 nextFrame = j->getFrame();
Chris@125:             }
Chris@125:             if (nextFrame == frame) {
Chris@125:                 newPoint.duration = m_model->getResolution();
Chris@125:             } else {
Chris@125:                 newPoint.duration = nextFrame - frame;
Chris@125:             }
Chris@125:         }
Chris@76:         
Chris@76:         command->addPoint(newPoint);
Chris@76:     }
Chris@76: 
Chris@376:     finish(command);
Chris@125:     return true;
Chris@76: }
Chris@76: 
Chris@287: int
Chris@287: NoteLayer::getDefaultColourHint(bool darkbg, bool &impose)
Chris@287: {
Chris@287:     impose = false;
Chris@287:     return ColourDatabase::getInstance()->getColourIndex
Chris@287:         (QString(darkbg ? "White" : "Black"));
Chris@287: }
Chris@287: 
Chris@316: void
Chris@316: NoteLayer::toXml(QTextStream &stream,
Chris@316:                  QString indent, QString extraAttributes) const
Chris@30: {
Chris@316:     SingleColourLayer::toXml(stream, indent, extraAttributes +
Chris@445:                              QString(" verticalScale=\"%1\" scaleMinimum=\"%2\" scaleMaximum=\"%3\" ")
Chris@445:                              .arg(m_verticalScale)
Chris@445:                              .arg(m_scaleMinimum)
Chris@445:                              .arg(m_scaleMaximum));
Chris@30: }
Chris@30: 
Chris@30: void
Chris@30: NoteLayer::setProperties(const QXmlAttributes &attributes)
Chris@30: {
Chris@287:     SingleColourLayer::setProperties(attributes);
Chris@30: 
Chris@445:     bool ok, alsoOk;
Chris@30:     VerticalScale scale = (VerticalScale)
Chris@30: 	attributes.value("verticalScale").toInt(&ok);
Chris@30:     if (ok) setVerticalScale(scale);
Chris@445: 
Chris@445:     float min = attributes.value("scaleMinimum").toFloat(&ok);
Chris@445:     float max = attributes.value("scaleMaximum").toFloat(&alsoOk);
Chris@445:     if (ok && alsoOk) setDisplayExtents(min, max);
Chris@30: }
Chris@30: 
Chris@30: