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@128: #include "view/View.h"
Chris@701: 
Chris@1078: #include "ColourDatabase.h"
Chris@692: #include "PianoScale.h"
Chris@701: #include "LinearNumericalScale.h"
Chris@701: #include "LogNumericalScale.h"
Chris@1078: #include "PaintAssistant.h"
Chris@30: 
Chris@128: #include "data/model/NoteModel.h"
Chris@30: 
Chris@70: #include "widgets/ItemEditDialog.h"
Chris@701: #include "widgets/TextAbbrev.h"
Chris@70: 
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@551: #include <utility>
Chris@30: 
Chris@665: //#define DEBUG_NOTE_LAYER 1
Chris@665: 
Chris@44: NoteLayer::NoteLayer() :
Chris@287:     SingleColourLayer(),
Chris@30:     m_editing(false),
Chris@845:     m_dragPointX(0),
Chris@845:     m_dragPointY(0),
Chris@845:     m_dragStartX(0),
Chris@845:     m_dragStartY(0),
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@1408:     m_editingCommand(nullptr),
Chris@1422:     m_editIsOpen(false),
Chris@439:     m_verticalScale(AutoAlignScale),
Chris@439:     m_scaleMinimum(0),
Chris@439:     m_scaleMaximum(0)
Chris@30: {
Chris@1315:     SVDEBUG << "constructed NoteLayer" << endl;
Chris@30: }
Chris@30: 
Chris@1470: int
Chris@1470: NoteLayer::getCompletion(LayerGeometryProvider *) const
Chris@1470: {
Chris@1470:     auto model = ModelById::get(m_model);
Chris@1470:     if (model) return model->getCompletion();
Chris@1470:     else return 0;
Chris@1470: }
Chris@1470: 
Chris@30: void
Chris@1471: NoteLayer::setModel(ModelId modelId)
Chris@1471: {
Chris@1471:     auto newModel = ModelById::getAs<NoteModel>(modelId);
Chris@1471:     
Chris@1471:     if (!modelId.isNone() && !newModel) {
Chris@1471:         throw std::logic_error("Not a NoteModel");
Chris@1471:     }
Chris@1471:     
Chris@1471:     if (m_model == modelId) return;
Chris@1471:     m_model = modelId;
Chris@30: 
Chris@1471:     if (newModel) {
Chris@1471:         connectSignals(m_model);
Chris@1471:     }
Chris@1471:     
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@701: QString
Chris@701: NoteLayer::getScaleUnits() const
Chris@701: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (model) return model->getScaleUnits();
Chris@701:     else return "";
Chris@701: }
Chris@701: 
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@1266:         
Chris@1266:         if (min) *min = 0;
Chris@1266:         if (max) *max = 3;
Chris@216:         if (deflt) *deflt = int(AutoAlignScale);
Chris@1266:         
Chris@1266:         val = int(m_verticalScale);
Chris@30: 
Chris@100:     } else if (name == "Scale Units") {
Chris@100: 
Chris@216:         if (deflt) *deflt = 0;
Chris@1471:         auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:         if (model) {
Chris@216:             val = UnitDatabase::getInstance()->getUnitId
Chris@1471:                 (model->getScaleUnits());
Chris@100:         }
Chris@100: 
Chris@30:     } else {
Chris@216: 
Chris@1266:         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@1266:         switch (value) {
Chris@1266:         default:
Chris@1266:         case 0: return tr("Auto-Align");
Chris@1266:         case 1: return tr("Linear");
Chris@1266:         case 2: return tr("Log");
Chris@1266:         case 3: return tr("MIDI Notes");
Chris@1266:         }
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@1266:         setVerticalScale(VerticalScale(value));
Chris@100:     } else if (name == "Scale Units") {
Chris@1471:         auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:         if (model) {
Chris@1471:             model->setScaleUnits
Chris@100:                 (UnitDatabase::getInstance()->getUnitById(value));
Chris@1481:             emit modelChanged(m_model);
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@918: NoteLayer::isLayerScrollable(const LayerGeometryProvider *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@701:     QString unit = 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@905: NoteLayer::getValueExtents(double &min, double &max,
Chris@101:                            bool &logarithmic, QString &unit) const
Chris@79: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return false;
Chris@1471:     min = model->getValueMinimum();
Chris@1471:     max = model->getValueMaximum();
Chris@101: 
Chris@105:     if (shouldConvertMIDIToHz()) {
Chris@105:         unit = "Hz";
Chris@905:         min = Pitch::getFrequencyForPitch(int(lrint(min)));
Chris@905:         max = Pitch::getFrequencyForPitch(int(lrint(max + 1)));
Chris@701:     } else unit = getScaleUnits();
Chris@101: 
Chris@101:     if (m_verticalScale == MIDIRangeScale ||
Chris@1471:         m_verticalScale == LogScale) {
Chris@1471:         logarithmic = true;
Chris@1471:     }
Chris@101: 
Chris@101:     return true;
Chris@101: }
Chris@101: 
Chris@101: bool
Chris@905: NoteLayer::getDisplayExtents(double &min, double &max) const
Chris@101: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!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@1471:         min = model->getValueMinimum();
Chris@1471:         max = model->getValueMaximum();
Chris@455:     } else {
Chris@455:         min = m_scaleMinimum;
Chris@455:         max = m_scaleMaximum;
Chris@439:     }
Chris@439: 
Chris@101:     if (shouldConvertMIDIToHz()) {
Chris@905:         min = Pitch::getFrequencyForPitch(int(lrint(min)));
Chris@905:         max = Pitch::getFrequencyForPitch(int(lrint(max + 1)));
Chris@101:     }
Chris@101: 
Chris@667: #ifdef DEBUG_NOTE_LAYER
Chris@682:     cerr << "NoteLayer::getDisplayExtents: min = " << min << ", max = " << max << " (m_scaleMinimum = " << m_scaleMinimum << ", m_scaleMaximum = " << m_scaleMaximum << ")" << endl;
Chris@667: #endif
Chris@667: 
Chris@79:     return true;
Chris@79: }
Chris@79: 
Chris@439: bool
Chris@905: NoteLayer::setDisplayExtents(double min, double max)
Chris@439: {
Chris@1471:     if (m_model.isNone()) 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@667: #ifdef DEBUG_NOTE_LAYER
Chris@682:     cerr << "NoteLayer::setDisplayExtents: min = " << min << ", max = " << max << endl;
Chris@667: #endif
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@1471:     if (shouldAutoAlign() || m_model.isNone()) return 0;
Chris@439:     defaultStep = 0;
Chris@439:     return 100;
Chris@439: }
Chris@439: 
Chris@439: int
Chris@439: NoteLayer::getCurrentVerticalZoomStep() const
Chris@439: {
Chris@1471:     if (shouldAutoAlign() || m_model.isNone()) return 0;
Chris@439: 
Chris@439:     RangeMapper *mapper = getNewVerticalZoomRangeMapper();
Chris@439:     if (!mapper) return 0;
Chris@439: 
Chris@905:     double 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@1471:     if (shouldAutoAlign() || m_model.isNone()) return;
Chris@439: 
Chris@439:     RangeMapper *mapper = getNewVerticalZoomRangeMapper();
Chris@439:     if (!mapper) return;
Chris@439:     
Chris@905:     double min, max;
Chris@439:     bool logarithmic;
Chris@439:     QString unit;
Chris@439:     getValueExtents(min, max, logarithmic, unit);
Chris@439:     
Chris@905:     double dmin, dmax;
Chris@439:     getDisplayExtents(dmin, dmax);
Chris@439: 
Chris@905:     double newdist = mapper->getValueForPosition(100 - step);
Chris@439: 
Chris@905:     double newmin, newmax;
Chris@439: 
Chris@439:     if (logarithmic) {
Chris@439: 
Chris@439:         // see SpectrogramLayer::setVerticalZoomStep
Chris@439: 
Chris@905:         newmax = (newdist + sqrt(newdist*newdist + 4*dmin*dmax)) / 2;
Chris@439:         newmin = newmax - newdist;
Chris@439: 
Chris@682: //        cerr << "newmin = " << newmin << ", newmax = " << newmax << endl;
Chris@439: 
Chris@439:     } else {
Chris@905:         double 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@667: #ifdef DEBUG_NOTE_LAYER
Chris@682:     cerr << "NoteLayer::setVerticalZoomStep: " << step << ": " << newmin << " -> " << newmax << " (range " << newdist << ")" << endl;
Chris@667: #endif
Chris@439: 
Chris@439:     setDisplayExtents(newmin, newmax);
Chris@439: }
Chris@439: 
Chris@439: RangeMapper *
Chris@439: NoteLayer::getNewVerticalZoomRangeMapper() const
Chris@439: {
Chris@1471:     if (m_model.isNone()) return nullptr;
Chris@439:     
Chris@439:     RangeMapper *mapper;
Chris@439: 
Chris@905:     double min, max;
Chris@439:     bool logarithmic;
Chris@439:     QString unit;
Chris@439:     getValueExtents(min, max, logarithmic, unit);
Chris@439: 
Chris@1408:     if (min == max) return nullptr;
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@1424: EventVector
Chris@918: NoteLayer::getLocalPoints(LayerGeometryProvider *v, int x) const
Chris@30: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return {};
Chris@1424:     
Chris@905:     sv_frame_t frame = v->getFrameForX(x);
Chris@30: 
Chris@1471:     EventVector local = model->getEventsCovering(frame);
Chris@1424:     if (!local.empty()) return local;
Chris@30: 
Chris@1424:     int fuzz = ViewManager::scalePixelSize(2);
Chris@1424:     sv_frame_t start = v->getFrameForX(x - fuzz);
Chris@1424:     sv_frame_t end = v->getFrameForX(x + fuzz);
Chris@30: 
Chris@1471:     local = model->getEventsStartingWithin(frame, end - frame);
Chris@1424:     if (!local.empty()) return local;
Chris@30: 
Chris@1471:     local = model->getEventsSpanning(start, frame - start);
Chris@1424:     if (!local.empty()) return local;
Chris@30: 
Chris@1424:     return {};
Chris@30: }
Chris@30: 
Chris@550: bool
Chris@1424: NoteLayer::getPointToDrag(LayerGeometryProvider *v, int x, int y, Event &point) const
Chris@550: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return false;
Chris@550: 
Chris@905:     sv_frame_t frame = v->getFrameForX(x);
Chris@550: 
Chris@1471:     EventVector onPoints = model->getEventsCovering(frame);
Chris@550:     if (onPoints.empty()) return false;
Chris@550: 
Chris@550:     int nearestDistance = -1;
Chris@1424:     for (const auto &p: onPoints) {
Chris@1424:         int distance = getYForValue(v, p.getValue()) - y;
Chris@550:         if (distance < 0) distance = -distance;
Chris@550:         if (nearestDistance == -1 || distance < nearestDistance) {
Chris@550:             nearestDistance = distance;
Chris@1424:             point = p;
Chris@550:         }
Chris@550:     }
Chris@550: 
Chris@550:     return true;
Chris@550: }
Chris@550: 
Chris@30: QString
Chris@918: NoteLayer::getFeatureDescription(LayerGeometryProvider *v, QPoint &pos) const
Chris@30: {
Chris@30:     int x = pos.x();
Chris@30: 
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || !model->getSampleRate()) return "";
Chris@30: 
Chris@1424:     EventVector points = getLocalPoints(v, x);
Chris@30: 
Chris@30:     if (points.empty()) {
Chris@1471:         if (!model->isReady()) {
Chris@1266:             return tr("In progress");
Chris@1266:         } else {
Chris@1266:             return tr("No local points");
Chris@1266:         }
Chris@30:     }
Chris@30: 
Chris@1424:     Event note;
Chris@1424:     EventVector::iterator i;
Chris@30: 
Chris@30:     for (i = points.begin(); i != points.end(); ++i) {
Chris@30: 
Chris@1424:         int y = getYForValue(v, i->getValue());
Chris@1266:         int h = 3;
Chris@30: 
Chris@1471:         if (model->getValueQuantization() != 0.0) {
Chris@1424:             h = y - getYForValue
Chris@1471:                 (v, i->getValue() + model->getValueQuantization());
Chris@1266:             if (h < 3) h = 3;
Chris@1266:         }
Chris@30: 
Chris@1266:         if (pos.y() >= y - h && pos.y() <= y) {
Chris@1266:             note = *i;
Chris@1266:             break;
Chris@1266:         }
Chris@30:     }
Chris@30: 
Chris@30:     if (i == points.end()) return tr("No local points");
Chris@30: 
Chris@1424:     RealTime rt = RealTime::frame2RealTime(note.getFrame(),
Chris@1471:                                            model->getSampleRate());
Chris@1424:     RealTime rd = RealTime::frame2RealTime(note.getDuration(),
Chris@1471:                                            model->getSampleRate());
Chris@30:     
Chris@101:     QString pitchText;
Chris@101: 
Chris@1424:     float value = note.getValue();
Chris@1424:     
Chris@101:     if (shouldConvertMIDIToHz()) {
Chris@101: 
Chris@1424:         int mnote = int(lrint(value));
Chris@1424:         int cents = int(lrint((value - float(mnote)) * 100));
Chris@905:         double freq = Pitch::getFrequencyForPitch(mnote, cents);
Chris@544:         pitchText = tr("%1 (%2, %3 Hz)")
Chris@544:             .arg(Pitch::getPitchLabel(mnote, cents))
Chris@544:             .arg(mnote)
Chris@544:             .arg(freq);
Chris@101: 
Chris@701:     } else if (getScaleUnits() == "Hz") {
Chris@101: 
Chris@544:         pitchText = tr("%1 Hz (%2, %3)")
Chris@1424:             .arg(value)
Chris@1424:             .arg(Pitch::getPitchLabelForFrequency(value))
Chris@1424:             .arg(Pitch::getPitchForFrequency(value));
Chris@101: 
Chris@101:     } else {
Chris@234:         pitchText = tr("%1 %2")
Chris@1424:             .arg(value).arg(getScaleUnits());
Chris@101:     }
Chris@101: 
Chris@30:     QString text;
Chris@30: 
Chris@1424:     if (note.getLabel() == "") {
Chris@1266:         text = QString(tr("Time:\t%1\nPitch:\t%2\nDuration:\t%3\nNo label"))
Chris@1266:             .arg(rt.toText(true).c_str())
Chris@1266:             .arg(pitchText)
Chris@1266:             .arg(rd.toText(true).c_str());
Chris@30:     } else {
Chris@1266:         text = QString(tr("Time:\t%1\nPitch:\t%2\nDuration:\t%3\nLabel:\t%4"))
Chris@1266:             .arg(rt.toText(true).c_str())
Chris@1266:             .arg(pitchText)
Chris@1266:             .arg(rd.toText(true).c_str())
Chris@1424:             .arg(note.getLabel());
Chris@30:     }
Chris@30: 
Chris@1424:     pos = QPoint(v->getXForFrame(note.getFrame()), getYForValue(v, value));
Chris@30:     return text;
Chris@30: }
Chris@30: 
Chris@30: bool
Chris@918: NoteLayer::snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame,
Chris@1266:                               int &resolution,
Chris@1266:                               SnapType snap) const
Chris@30: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) {
Chris@1266:         return Layer::snapToFeatureFrame(v, frame, resolution, snap);
Chris@30:     }
Chris@30: 
Chris@1432:     // SnapLeft / SnapRight: return frame of nearest feature in that
Chris@1432:     // direction no matter how far away
Chris@1432:     //
Chris@1432:     // SnapNeighbouring: return frame of feature that would be used in
Chris@1432:     // an editing operation, i.e. closest feature in either direction
Chris@1432:     // but only if it is "close enough"
Chris@1432: 
Chris@1471:     resolution = model->getResolution();
Chris@30: 
Chris@30:     if (snap == SnapNeighbouring) {
Chris@1432:         EventVector points = getLocalPoints(v, v->getXForFrame(frame));
Chris@1266:         if (points.empty()) return false;
Chris@1424:         frame = points.begin()->getFrame();
Chris@1266:         return true;
Chris@30:     }    
Chris@30: 
Chris@1432:     Event e;
Chris@1471:     if (model->getNearestEventMatching
Chris@1432:         (frame,
Chris@1432:          [](Event) { return true; },
Chris@1432:          snap == SnapLeft ? EventSeries::Backward : EventSeries::Forward,
Chris@1432:          e)) {
Chris@1432:         frame = e.getFrame();
Chris@1432:         return true;
Chris@30:     }
Chris@30: 
Chris@1432:     return false;
Chris@30: }
Chris@30: 
Chris@101: void
Chris@918: NoteLayer::getScaleExtents(LayerGeometryProvider *v, double &min, double &max, bool &log) const
Chris@30: {
Chris@101:     min = 0.0;
Chris@101:     max = 0.0;
Chris@101:     log = false;
Chris@42: 
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return;
Chris@1471:     
Chris@101:     QString queryUnits;
Chris@101:     if (shouldConvertMIDIToHz()) queryUnits = "Hz";
Chris@701:     else queryUnits = getScaleUnits();
Chris@30: 
Chris@439:     if (shouldAutoAlign()) {
Chris@30: 
Chris@101:         if (!v->getValueExtents(queryUnits, min, max, log)) {
Chris@30: 
Chris@1471:             min = model->getValueMinimum();
Chris@1471:             max = model->getValueMaximum();
Chris@42: 
Chris@101:             if (shouldConvertMIDIToHz()) {
Chris@905:                 min = Pitch::getFrequencyForPitch(int(lrint(min)));
Chris@905:                 max = Pitch::getFrequencyForPitch(int(lrint(max + 1)));
Chris@101:             }
Chris@42: 
Chris@665: #ifdef DEBUG_NOTE_LAYER
Chris@682:             cerr << "NoteLayer[" << this << "]::getScaleExtents: min = " << min << ", max = " << max << ", log = " << log << endl;
Chris@665: #endif
Chris@105: 
Chris@101:         } else if (log) {
Chris@101: 
Chris@197:             LogRange::mapRange(min, max);
Chris@105: 
Chris@665: #ifdef DEBUG_NOTE_LAYER
Chris@682:             cerr << "NoteLayer[" << this << "]::getScaleExtents: min = " << min << ", max = " << max << ", log = " << log << endl;
Chris@665: #endif
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@905:             min = Pitch::getFrequencyForPitch(int(lrint(min)));
Chris@905:             max = Pitch::getFrequencyForPitch(int(lrint(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@918: NoteLayer::getYForValue(LayerGeometryProvider *v, double val) const
Chris@101: {
Chris@905:     double min = 0.0, max = 0.0;
Chris@101:     bool logarithmic = false;
Chris@918:     int h = v->getPaintHeight();
Chris@101: 
Chris@101:     getScaleExtents(v, min, max, logarithmic);
Chris@101: 
Chris@665: #ifdef DEBUG_NOTE_LAYER
Chris@682:     cerr << "NoteLayer[" << this << "]::getYForValue(" << val << "): min = " << min << ", max = " << max << ", log = " << logarithmic << endl;
Chris@665: #endif
Chris@101: 
Chris@101:     if (shouldConvertMIDIToHz()) {
Chris@905:         val = Pitch::getFrequencyForPitch(int(lrint(val)),
Chris@905:                                           int(lrint((val - rint(val)) * 100)));
Chris@665: #ifdef DEBUG_NOTE_LAYER
Chris@682:         cerr << "shouldConvertMIDIToHz true, val now = " << val << endl;
Chris@665: #endif
Chris@101:     }
Chris@101: 
Chris@101:     if (logarithmic) {
Chris@197:         val = LogRange::map(val);
Chris@665: #ifdef DEBUG_NOTE_LAYER
Chris@682:         cerr << "logarithmic true, val now = " << val << endl;
Chris@665: #endif
Chris@101:     }
Chris@101: 
Chris@101:     int y = int(h - ((val - min) * h) / (max - min)) - 1;
Chris@665: #ifdef DEBUG_NOTE_LAYER
Chris@682:     cerr << "y = " << y << endl;
Chris@665: #endif
Chris@101:     return y;
Chris@30: }
Chris@30: 
Chris@905: double
Chris@918: NoteLayer::getValueForY(LayerGeometryProvider *v, int y) const
Chris@30: {
Chris@905:     double min = 0.0, max = 0.0;
Chris@101:     bool logarithmic = false;
Chris@918:     int h = v->getPaintHeight();
Chris@30: 
Chris@101:     getScaleExtents(v, min, max, logarithmic);
Chris@101: 
Chris@905:     double val = min + (double(h - y) * double(max - min)) / h;
Chris@101: 
Chris@101:     if (logarithmic) {
Chris@905:         val = pow(10.0, 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@1471:     if (m_model.isNone()) return false;
Chris@439:     return (m_verticalScale == AutoAlignScale);
Chris@439: }
Chris@439: 
Chris@30: void
Chris@916: NoteLayer::paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const
Chris@30: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || !model->isOK()) return;
Chris@30: 
Chris@1471:     sv_samplerate_t sampleRate = 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@905:     sv_frame_t frame0 = v->getFrameForX(x0);
Chris@905:     sv_frame_t frame1 = v->getFrameForX(x1);
Chris@30: 
Chris@1471:     EventVector points(model->getEventsSpanning(frame0, frame1 - frame0));
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@587: //    SVDEBUG << "NoteLayer::paint: resolution is "
Chris@1471: //              << model->getResolution() << " frames" << endl;
Chris@30: 
Chris@1471:     double min = model->getValueMinimum();
Chris@1471:     double max = model->getValueMaximum();
Chris@30:     if (max == min) max = min + 1.0;
Chris@30: 
Chris@30:     QPoint localPos;
Chris@1425:     Event illuminatePoint;
Chris@551:     bool shouldIlluminate = false;
Chris@30: 
Chris@44:     if (v->shouldIlluminateLocalFeatures(this, localPos)) {
Chris@551:         shouldIlluminate = getPointToDrag(v, localPos.x(), localPos.y(),
Chris@551:                                           illuminatePoint);
Chris@1422:     } else if (m_editIsOpen) {
Chris@1422:         shouldIlluminate = true;
Chris@1422:         illuminatePoint = m_editingPoint;
Chris@30:     }
Chris@30: 
Chris@30:     paint.save();
Chris@30:     paint.setRenderHint(QPainter::Antialiasing, false);
Chris@30:     
Chris@1425:     for (EventVector::const_iterator i = points.begin();
Chris@1266:          i != points.end(); ++i) {
Chris@30: 
Chris@1425:         const Event &p(*i);
Chris@30: 
Chris@1425:         int x = v->getXForFrame(p.getFrame());
Chris@1425:         int y = getYForValue(v, p.getValue());
Chris@1425:         int w = v->getXForFrame(p.getFrame() + p.getDuration()) - x;
Chris@1266:         int h = 3;
Chris@1266:         
Chris@1471:         if (model->getValueQuantization() != 0.0) {
Chris@1471:             h = y - getYForValue(v, p.getValue() + model->getValueQuantization());
Chris@1266:             if (h < 3) h = 3;
Chris@1266:         }
Chris@30: 
Chris@1266:         if (w < 1) w = 1;
Chris@1266:         paint.setPen(getBaseQColor());
Chris@1266:         paint.setBrush(brushColour);
Chris@30: 
Chris@1425:         if (shouldIlluminate && illuminatePoint == p) {
Chris@551: 
Chris@551:             paint.setPen(v->getForeground());
Chris@551:             paint.setBrush(v->getForeground());
Chris@551: 
Chris@1471:     // Qt 5.13 deprecates QFontMetrics::width(), but its suggested
Chris@1471:     // replacement (horizontalAdvance) was only added in Qt 5.11
Chris@1471:     // which is too new for us
Chris@1471: #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
Chris@1471: 
Chris@1425:             QString vlabel = QString("%1%2").arg(p.getValue()).arg(getScaleUnits());
Chris@1078:             PaintAssistant::drawVisibleText(v, paint, 
Chris@551:                                x - paint.fontMetrics().width(vlabel) - 2,
Chris@551:                                y + paint.fontMetrics().height()/2
Chris@551:                                  - paint.fontMetrics().descent(), 
Chris@1078:                                vlabel, PaintAssistant::OutlinedText);
Chris@551: 
Chris@551:             QString hlabel = RealTime::frame2RealTime
Chris@1471:                 (p.getFrame(), model->getSampleRate()).toText(true).c_str();
Chris@1078:             PaintAssistant::drawVisibleText(v, paint, 
Chris@551:                                x,
Chris@551:                                y - h/2 - paint.fontMetrics().descent() - 2,
Chris@1078:                                hlabel, PaintAssistant::OutlinedText);
Chris@1266:         }
Chris@1266:         
Chris@1266:         paint.drawRect(x, y - h/2, w, h);
Chris@30:     }
Chris@30: 
Chris@30:     paint.restore();
Chris@30: }
Chris@30: 
Chris@692: int
Chris@918: NoteLayer::getVerticalScaleWidth(LayerGeometryProvider *v, bool, QPainter &paint) const
Chris@692: {
Chris@1471:     if (m_model.isNone()) {
Chris@697:         return 0;
Chris@1315:     }
Chris@1315: 
Chris@1315:     if (shouldAutoAlign() && !valueExtentsMatchMine(v)) {
Chris@1315:         return 0;
Chris@1315:     }
Chris@1315: 
Chris@1315:     if (m_verticalScale == LogScale || m_verticalScale == MIDIRangeScale) {
Chris@1315:         return LogNumericalScale().getWidth(v, paint) + 10; // for piano
Chris@1315:     } else {
Chris@1315:         return LinearNumericalScale().getWidth(v, paint);
Chris@697:     }
Chris@692: }
Chris@692: 
Chris@692: void
Chris@918: NoteLayer::paintVerticalScale(LayerGeometryProvider *v, bool, QPainter &paint, QRect) const
Chris@692: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || model->isEmpty()) return;
Chris@701: 
Chris@701:     QString unit;
Chris@905:     double min, max;
Chris@701:     bool logarithmic;
Chris@701: 
Chris@701:     int w = getVerticalScaleWidth(v, false, paint);
Chris@918:     int h = v->getPaintHeight();
Chris@701: 
Chris@701:     getScaleExtents(v, min, max, logarithmic);
Chris@701: 
Chris@701:     if (logarithmic) {
Chris@701:         LogNumericalScale().paintVertical(v, this, paint, 0, min, max);
Chris@701:     } else {
Chris@701:         LinearNumericalScale().paintVertical(v, this, paint, 0, min, max);
Chris@701:     }
Chris@701:     
Chris@701:     if (logarithmic && (getScaleUnits() == "Hz")) {
Chris@697:         PianoScale().paintPianoVertical
Chris@701:             (v, paint, QRect(w - 10, 0, 10, h), 
Chris@701:              LogRange::unmap(min), 
Chris@701:              LogRange::unmap(max));
Chris@701:         paint.drawLine(w, 0, w, h);
Chris@701:     }
Chris@701:         
Chris@701:     if (getScaleUnits() != "") {
Chris@701:         int mw = w - 5;
Chris@701:         paint.drawText(5,
Chris@701:                        5 + paint.fontMetrics().ascent(),
Chris@701:                        TextAbbrev::abbreviate(getScaleUnits(),
Chris@701:                                               paint.fontMetrics(),
Chris@701:                                               mw));
Chris@697:     }
Chris@692: }
Chris@692: 
Chris@30: void
Chris@918: NoteLayer::drawStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@30: {
Chris@587: //    SVDEBUG << "NoteLayer::drawStart(" << e->x() << "," << e->y() << ")" << endl;
Chris@30: 
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return;
Chris@30: 
Chris@905:     sv_frame_t frame = v->getFrameForX(e->x());
Chris@30:     if (frame < 0) frame = 0;
Chris@1471:     frame = frame / model->getResolution() * model->getResolution();
Chris@30: 
Chris@905:     double value = getValueForY(v, e->y());
Chris@30: 
Chris@1425:     m_editingPoint = Event(frame, float(value), 0, 0.8f, tr("New Point"));
Chris@30:     m_originalPoint = m_editingPoint;
Chris@30: 
Chris@376:     if (m_editingCommand) finish(m_editingCommand);
Chris@1471:     m_editingCommand = new ChangeEventsCommand(m_model.untyped, tr("Draw Point"));
Chris@1425:     m_editingCommand->add(m_editingPoint);
Chris@30: 
Chris@30:     m_editing = true;
Chris@30: }
Chris@30: 
Chris@30: void
Chris@918: NoteLayer::drawDrag(LayerGeometryProvider *v, QMouseEvent *e)
Chris@30: {
Chris@587: //    SVDEBUG << "NoteLayer::drawDrag(" << e->x() << "," << e->y() << ")" << endl;
Chris@30: 
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@30: 
Chris@905:     sv_frame_t frame = v->getFrameForX(e->x());
Chris@30:     if (frame < 0) frame = 0;
Chris@1471:     frame = frame / model->getResolution() * model->getResolution();
Chris@30: 
Chris@905:     double newValue = getValueForY(v, e->y());
Chris@101: 
Chris@1425:     sv_frame_t newFrame = m_editingPoint.getFrame();
Chris@905:     sv_frame_t 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@1425:     m_editingCommand->remove(m_editingPoint);
Chris@1425:     m_editingPoint = m_editingPoint
Chris@1425:         .withFrame(newFrame)
Chris@1425:         .withValue(float(newValue))
Chris@1425:         .withDuration(newDuration);
Chris@1425:     m_editingCommand->add(m_editingPoint);
Chris@30: }
Chris@30: 
Chris@30: void
Chris@918: NoteLayer::drawEnd(LayerGeometryProvider *, QMouseEvent *)
Chris@30: {
Chris@587: //    SVDEBUG << "NoteLayer::drawEnd(" << e->x() << "," << e->y() << ")" << endl;
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@376:     finish(m_editingCommand);
Chris@1408:     m_editingCommand = nullptr;
Chris@30:     m_editing = false;
Chris@30: }
Chris@30: 
Chris@30: void
Chris@918: NoteLayer::eraseStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@335: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return;
Chris@335: 
Chris@550:     if (!getPointToDrag(v, e->x(), e->y(), m_editingPoint)) return;
Chris@335: 
Chris@335:     if (m_editingCommand) {
Chris@1266:         finish(m_editingCommand);
Chris@1408:         m_editingCommand = nullptr;
Chris@335:     }
Chris@335: 
Chris@335:     m_editing = true;
Chris@335: }
Chris@335: 
Chris@335: void
Chris@918: NoteLayer::eraseDrag(LayerGeometryProvider *, QMouseEvent *)
Chris@335: {
Chris@335: }
Chris@335: 
Chris@335: void
Chris@918: NoteLayer::eraseEnd(LayerGeometryProvider *v, QMouseEvent *e)
Chris@335: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@335: 
Chris@335:     m_editing = false;
Chris@335: 
Chris@1425:     Event p(0);
Chris@550:     if (!getPointToDrag(v, e->x(), e->y(), p)) return;
Chris@1425:     if (p.getFrame() != m_editingPoint.getFrame() ||
Chris@1425:         p.getValue() != m_editingPoint.getValue()) return;
Chris@550: 
Chris@1471:     m_editingCommand = new ChangeEventsCommand(m_model.untyped, tr("Erase Point"));
Chris@335: 
Chris@1425:     m_editingCommand->remove(m_editingPoint);
Chris@335: 
Chris@376:     finish(m_editingCommand);
Chris@1408:     m_editingCommand = nullptr;
Chris@335:     m_editing = false;
Chris@335: }
Chris@335: 
Chris@335: void
Chris@918: NoteLayer::editStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@30: {
Chris@587: //    SVDEBUG << "NoteLayer::editStart(" << e->x() << "," << e->y() << ")" << endl;
Chris@30: 
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return;
Chris@30: 
Chris@550:     if (!getPointToDrag(v, e->x(), e->y(), m_editingPoint)) return;
Chris@30:     m_originalPoint = m_editingPoint;
Chris@30: 
Chris@1425:     m_dragPointX = v->getXForFrame(m_editingPoint.getFrame());
Chris@1425:     m_dragPointY = getYForValue(v, m_editingPoint.getValue());
Chris@551: 
Chris@30:     if (m_editingCommand) {
Chris@1266:         finish(m_editingCommand);
Chris@1408:         m_editingCommand = nullptr;
Chris@30:     }
Chris@30: 
Chris@30:     m_editing = true;
Chris@551:     m_dragStartX = e->x();
Chris@551:     m_dragStartY = e->y();
Chris@30: }
Chris@30: 
Chris@30: void
Chris@918: NoteLayer::editDrag(LayerGeometryProvider *v, QMouseEvent *e)
Chris@30: {
Chris@587: //    SVDEBUG << "NoteLayer::editDrag(" << e->x() << "," << e->y() << ")" << endl;
Chris@30: 
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@30: 
Chris@551:     int xdist = e->x() - m_dragStartX;
Chris@551:     int ydist = e->y() - m_dragStartY;
Chris@551:     int newx = m_dragPointX + xdist;
Chris@551:     int newy = m_dragPointY + ydist;
Chris@551: 
Chris@905:     sv_frame_t frame = v->getFrameForX(newx);
Chris@30:     if (frame < 0) frame = 0;
Chris@1471:     frame = frame / model->getResolution() * model->getResolution();
Chris@30: 
Chris@905:     double value = getValueForY(v, newy);
Chris@30: 
Chris@30:     if (!m_editingCommand) {
Chris@1471:         m_editingCommand = new ChangeEventsCommand
Chris@1471:             (m_model.untyped, tr("Drag Point"));
Chris@30:     }
Chris@30: 
Chris@1425:     m_editingCommand->remove(m_editingPoint);
Chris@1425:     m_editingPoint = m_editingPoint
Chris@1425:         .withFrame(frame)
Chris@1425:         .withValue(float(value));
Chris@1425:     m_editingCommand->add(m_editingPoint);
Chris@30: }
Chris@30: 
Chris@30: void
Chris@918: NoteLayer::editEnd(LayerGeometryProvider *, QMouseEvent *)
Chris@30: {
Chris@587: //    SVDEBUG << "NoteLayer::editEnd(" << e->x() << "," << e->y() << ")" << endl;
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@30: 
Chris@30:     if (m_editingCommand) {
Chris@30: 
Chris@1266:         QString newName = m_editingCommand->getName();
Chris@30: 
Chris@1425:         if (m_editingPoint.getFrame() != m_originalPoint.getFrame()) {
Chris@1425:             if (m_editingPoint.getValue() != m_originalPoint.getValue()) {
Chris@1266:                 newName = tr("Edit Point");
Chris@1266:             } else {
Chris@1266:                 newName = tr("Relocate Point");
Chris@1266:             }
Chris@1266:         } else {
Chris@1266:             newName = tr("Change Point Value");
Chris@1266:         }
Chris@30: 
Chris@1266:         m_editingCommand->setName(newName);
Chris@1266:         finish(m_editingCommand);
Chris@30:     }
Chris@30: 
Chris@1408:     m_editingCommand = nullptr;
Chris@30:     m_editing = false;
Chris@30: }
Chris@30: 
Chris@255: bool
Chris@918: NoteLayer::editOpen(LayerGeometryProvider *v, QMouseEvent *e)
Chris@70: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return false;
Chris@70: 
Chris@1425:     Event note(0);
Chris@550:     if (!getPointToDrag(v, e->x(), e->y(), note)) return false;
Chris@550: 
Chris@70:     ItemEditDialog *dialog = new ItemEditDialog
Chris@1471:         (model->getSampleRate(),
Chris@70:          ItemEditDialog::ShowTime |
Chris@70:          ItemEditDialog::ShowDuration |
Chris@70:          ItemEditDialog::ShowValue |
Chris@1515:          ItemEditDialog::ShowLevel |
Chris@100:          ItemEditDialog::ShowText,
Chris@701:          getScaleUnits());
Chris@70: 
Chris@1425:     dialog->setFrameTime(note.getFrame());
Chris@1425:     dialog->setValue(note.getValue());
Chris@1425:     dialog->setFrameDuration(note.getDuration());
Chris@1425:     dialog->setText(note.getLabel());
Chris@70: 
Chris@1422:     m_editingPoint = note;
Chris@1422:     m_editIsOpen = true;
Chris@1422:     
Chris@70:     if (dialog->exec() == QDialog::Accepted) {
Chris@70: 
Chris@1425:         Event newNote = note
Chris@1425:             .withFrame(dialog->getFrameTime())
Chris@1425:             .withValue(dialog->getValue())
Chris@1425:             .withDuration(dialog->getFrameDuration())
Chris@1425:             .withLabel(dialog->getText());
Chris@70:         
Chris@1427:         ChangeEventsCommand *command = new ChangeEventsCommand
Chris@1471:             (m_model.untyped, tr("Edit Point"));
Chris@1425:         command->remove(note);
Chris@1425:         command->add(newNote);
Chris@376:         finish(command);
Chris@70:     }
Chris@70: 
Chris@1422:     m_editingPoint = 0;
Chris@1422:     m_editIsOpen = false;
Chris@1422:         
Chris@70:     delete dialog;
Chris@255:     return true;
Chris@70: }
Chris@70: 
Chris@70: void
Chris@905: NoteLayer::moveSelection(Selection s, sv_frame_t newStartFrame)
Chris@43: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return;
Chris@99: 
Chris@1427:     ChangeEventsCommand *command =
Chris@1471:         new ChangeEventsCommand(m_model.untyped, tr("Drag Selection"));
Chris@43: 
Chris@1425:     EventVector points =
Chris@1471:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@43: 
Chris@1425:     for (Event p: points) {
Chris@1425:         command->remove(p);
Chris@1425:         Event moved = p.withFrame(p.getFrame() +
Chris@1425:                                   newStartFrame - s.getStartFrame());
Chris@1425:         command->add(moved);
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@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model || !s.getDuration()) return;
Chris@99: 
Chris@1427:     ChangeEventsCommand *command =
Chris@1471:         new ChangeEventsCommand(m_model.untyped, tr("Resize Selection"));
Chris@43: 
Chris@1425:     EventVector points =
Chris@1471:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@43: 
Chris@1425:     double ratio = double(newSize.getDuration()) / double(s.getDuration());
Chris@1425:     double oldStart = double(s.getStartFrame());
Chris@1425:     double newStart = double(newSize.getStartFrame());
Chris@1425:     
Chris@1425:     for (Event p: points) {
Chris@43: 
Chris@1425:         double newFrame = (double(p.getFrame()) - oldStart) * ratio + newStart;
Chris@1425:         double newDuration = double(p.getDuration()) * ratio;
Chris@43: 
Chris@1425:         Event newPoint = p
Chris@1425:             .withFrame(lrint(newFrame))
Chris@1425:             .withDuration(lrint(newDuration));
Chris@1425:         command->remove(p);
Chris@1425:         command->add(newPoint);
Chris@43:     }
Chris@43: 
Chris@376:     finish(command);
Chris@43: }
Chris@43: 
Chris@76: void
Chris@76: NoteLayer::deleteSelection(Selection s)
Chris@76: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return;
Chris@99: 
Chris@1427:     ChangeEventsCommand *command =
Chris@1471:         new ChangeEventsCommand(m_model.untyped, tr("Delete Selected Points"));
Chris@76: 
Chris@1425:     EventVector points =
Chris@1471:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@76: 
Chris@1425:     for (Event p: points) {
Chris@1425:         command->remove(p);
Chris@76:     }
Chris@76: 
Chris@376:     finish(command);
Chris@76: }    
Chris@76: 
Chris@76: void
Chris@918: NoteLayer::copy(LayerGeometryProvider *v, Selection s, Clipboard &to)
Chris@76: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return;
Chris@99: 
Chris@1425:     EventVector points =
Chris@1471:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@76: 
Chris@1425:     for (Event p: points) {
Chris@1425:         to.addPoint(p.withReferenceFrame(alignToReference(v, p.getFrame())));
Chris@76:     }
Chris@76: }
Chris@76: 
Chris@125: bool
Chris@1425: NoteLayer::paste(LayerGeometryProvider *v, const Clipboard &from,
Chris@1425:                  sv_frame_t /* frameOffset */, bool /* interactive */)
Chris@76: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471:     if (!model) return false;
Chris@99: 
Chris@1423:     const EventVector &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@918:             QMessageBox::question(v->getView(), 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@1427:     ChangeEventsCommand *command =
Chris@1471:         new ChangeEventsCommand(m_model.untyped, tr("Paste"));
Chris@76: 
Chris@1423:     for (EventVector::const_iterator i = points.begin();
Chris@76:          i != points.end(); ++i) {
Chris@1425: 
Chris@905:         sv_frame_t frame = 0;
Chris@360: 
Chris@360:         if (!realign) {
Chris@360:             
Chris@360:             frame = i->getFrame();
Chris@360: 
Chris@360:         } else {
Chris@360: 
Chris@1423:             if (i->hasReferenceFrame()) {
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@1533:         Event p = i->withFrame(frame);
Chris@1533:         
Chris@1425:         Event newPoint = p;
Chris@1425:         if (!p.hasValue()) {
Chris@1471:             newPoint = newPoint.withValue((model->getValueMinimum() +
Chris@1471:                                            model->getValueMaximum()) / 2);
Chris@1425:         }
Chris@1425:         if (!p.hasDuration()) {
Chris@905:             sv_frame_t nextFrame = frame;
Chris@1423:             EventVector::const_iterator j = i;
Chris@125:             for (; j != points.end(); ++j) {
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@1471:                 newPoint = newPoint.withDuration(model->getResolution());
Chris@125:             } else {
Chris@1425:                 newPoint = newPoint.withDuration(nextFrame - frame);
Chris@125:             }
Chris@125:         }
Chris@76:         
Chris@1425:         command->add(newPoint);
Chris@76:     }
Chris@76: 
Chris@376:     finish(command);
Chris@125:     return true;
Chris@76: }
Chris@76: 
Chris@507: void
Chris@905: NoteLayer::addNoteOn(sv_frame_t frame, int pitch, int velocity)
Chris@507: {
Chris@1425:     m_pendingNoteOns.insert(Event(frame, float(pitch), 0,
Chris@1425:                                   float(velocity) / 127.f, QString()));
Chris@507: }
Chris@507: 
Chris@507: void
Chris@905: NoteLayer::addNoteOff(sv_frame_t frame, int pitch)
Chris@507: {
Chris@1471:     auto model = ModelById::getAs<NoteModel>(m_model);
Chris@1471: 
Chris@507:     for (NoteSet::iterator i = m_pendingNoteOns.begin();
Chris@507:          i != m_pendingNoteOns.end(); ++i) {
Chris@1425: 
Chris@1425:         Event p = *i;
Chris@1425: 
Chris@1425:         if (lrintf(p.getValue()) == pitch) {
Chris@507:             m_pendingNoteOns.erase(i);
Chris@1425:             Event note = p.withDuration(frame - p.getFrame());
Chris@1471:             if (model) {
Chris@1427:                 ChangeEventsCommand *c = new ChangeEventsCommand
Chris@1471:                     (m_model.untyped, tr("Record Note"));
Chris@1425:                 c->add(note);
Chris@507:                 // execute and bundle:
Chris@507:                 CommandHistory::getInstance()->addCommand(c, true, true);
Chris@507:             }
Chris@507:             break;
Chris@507:         }
Chris@507:     }
Chris@507: }
Chris@507: 
Chris@507: void
Chris@507: NoteLayer::abandonNoteOns()
Chris@507: {
Chris@507:     m_pendingNoteOns.clear();
Chris@507: }
Chris@507: 
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@1266:         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@667:     if (ok && alsoOk && min != max) setDisplayExtents(min, max);
Chris@30: }
Chris@30: 
Chris@30: