Chris@411: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@411: 
Chris@411: /*
Chris@411:     Sonic Visualiser
Chris@411:     An audio file viewer and annotation editor.
Chris@411:     Centre for Digital Music, Queen Mary, University of London.
Chris@411:     This file copyright 2006-2008 Chris Cannam and QMUL.
Chris@411:     
Chris@411:     This program is free software; you can redistribute it and/or
Chris@411:     modify it under the terms of the GNU General Public License as
Chris@411:     published by the Free Software Foundation; either version 2 of the
Chris@411:     License, or (at your option) any later version.  See the file
Chris@411:     COPYING included with this distribution for more information.
Chris@411: */
Chris@411: 
Chris@411: #include "RegionLayer.h"
Chris@411: 
Chris@411: #include "data/model/Model.h"
Chris@411: #include "base/RealTime.h"
Chris@411: #include "base/Profiler.h"
Chris@411: #include "base/LogRange.h"
Chris@1078: 
Chris@411: #include "ColourDatabase.h"
Chris@427: #include "ColourMapper.h"
Chris@701: #include "LinearNumericalScale.h"
Chris@701: #include "LogNumericalScale.h"
Chris@701: #include "LinearColourScale.h"
Chris@701: #include "LogColourScale.h"
Chris@1078: #include "PaintAssistant.h"
Chris@701: 
Chris@411: #include "view/View.h"
Chris@411: 
Chris@411: #include "data/model/RegionModel.h"
Chris@411: 
Chris@411: #include "widgets/ItemEditDialog.h"
Chris@701: #include "widgets/TextAbbrev.h"
Chris@411: 
Chris@411: #include <QPainter>
Chris@411: #include <QPainterPath>
Chris@411: #include <QMouseEvent>
Chris@411: #include <QTextStream>
Chris@411: #include <QMessageBox>
Chris@411: 
Chris@411: #include <iostream>
Chris@411: #include <cmath>
Chris@411: 
Chris@411: RegionLayer::RegionLayer() :
Chris@411:     SingleColourLayer(),
Chris@411:     m_editing(false),
Chris@846:     m_dragPointX(0),
Chris@846:     m_dragPointY(0),
Chris@846:     m_dragStartX(0),
Chris@846:     m_dragStartY(0),
Chris@543:     m_originalPoint(0, 0.0, 0, tr("New Region")),
Chris@543:     m_editingPoint(0, 0.0, 0, tr("New Region")),
Chris@1408:     m_editingCommand(nullptr),
Chris@433:     m_verticalScale(EqualSpaced),
Chris@427:     m_colourMap(0),
Chris@1362:     m_colourInverted(false),
Chris@412:     m_plotStyle(PlotLines)
Chris@411: {
Chris@411:     
Chris@411: }
Chris@411: 
Chris@1470: int
Chris@1470: RegionLayer::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@411: void
Chris@1471: RegionLayer::setModel(ModelId modelId)
Chris@411: {
Chris@1471:     auto oldModel = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     auto newModel = ModelById::getAs<RegionModel>(modelId);
Chris@1471:     
Chris@1471:     if (!modelId.isNone() && !newModel) {
Chris@1471:         throw std::logic_error("Not a RegionModel");
Chris@1471:     }
Chris@1471:     
Chris@1471:     if (m_model == modelId) return;
Chris@1471:     m_model = modelId;
Chris@411: 
Chris@1471:     if (newModel) {
Chris@1471:     
Chris@1471:         connectSignals(m_model);
Chris@411: 
Chris@1488:         connect(newModel.get(), SIGNAL(modelChanged(ModelId)),
Chris@1471:                 this, SLOT(recalcSpacing()));
Chris@1471:     
Chris@1471:         recalcSpacing();
Chris@433: 
Chris@1471:         if (newModel->getRDFTypeURI().endsWith("Segment")) {
Chris@1471:             setPlotStyle(PlotSegmentation);
Chris@1471:         }
Chris@1471:         if (newModel->getRDFTypeURI().endsWith("Change")) {
Chris@1471:             setPlotStyle(PlotSegmentation);
Chris@1471:         }
Chris@610:     }
Chris@1471:     
Chris@411:     emit modelReplaced();
Chris@411: }
Chris@411: 
Chris@411: Layer::PropertyList
Chris@411: RegionLayer::getProperties() const
Chris@411: {
Chris@411:     PropertyList list = SingleColourLayer::getProperties();
Chris@411:     list.push_back("Vertical Scale");
Chris@411:     list.push_back("Scale Units");
Chris@412:     list.push_back("Plot Type");
Chris@411:     return list;
Chris@411: }
Chris@411: 
Chris@411: QString
Chris@411: RegionLayer::getPropertyLabel(const PropertyName &name) const
Chris@411: {
Chris@411:     if (name == "Vertical Scale") return tr("Vertical Scale");
Chris@411:     if (name == "Scale Units") return tr("Scale Units");
Chris@412:     if (name == "Plot Type") return tr("Plot Type");
Chris@411:     return SingleColourLayer::getPropertyLabel(name);
Chris@411: }
Chris@411: 
Chris@411: Layer::PropertyType
Chris@411: RegionLayer::getPropertyType(const PropertyName &name) const
Chris@411: {
Chris@411:     if (name == "Scale Units") return UnitsProperty;
Chris@411:     if (name == "Vertical Scale") return ValueProperty;
Chris@412:     if (name == "Plot Type") return ValueProperty;
Chris@427:     if (name == "Colour" && m_plotStyle == PlotSegmentation) return ValueProperty;
Chris@411:     return SingleColourLayer::getPropertyType(name);
Chris@411: }
Chris@411: 
Chris@411: QString
Chris@411: RegionLayer::getPropertyGroupName(const PropertyName &name) const
Chris@411: {
Chris@411:     if (name == "Vertical Scale" || name == "Scale Units") {
Chris@411:         return tr("Scale");
Chris@411:     }
Chris@411:     return SingleColourLayer::getPropertyGroupName(name);
Chris@411: }
Chris@411: 
Chris@411: int
Chris@411: RegionLayer::getPropertyRangeAndValue(const PropertyName &name,
Chris@411:                                     int *min, int *max, int *deflt) const
Chris@411: {
Chris@411:     int val = 0;
Chris@411: 
Chris@427:     if (name == "Colour" && m_plotStyle == PlotSegmentation) {
Chris@427:             
Chris@427:         if (min) *min = 0;
Chris@427:         if (max) *max = ColourMapper::getColourMapCount() - 1;
Chris@427:         if (deflt) *deflt = 0;
Chris@427:         
Chris@427:         val = m_colourMap;
Chris@427: 
Chris@427:     } else if (name == "Plot Type") {
Chris@1266:         
Chris@1266:         if (min) *min = 0;
Chris@1266:         if (max) *max = 1;
Chris@412:         if (deflt) *deflt = 0;
Chris@1266:         
Chris@1266:         val = int(m_plotStyle);
Chris@412: 
Chris@412:     } else if (name == "Vertical Scale") {
Chris@1266:         
Chris@1266:         if (min) *min = 0;
Chris@1266:         if (max) *max = 3;
Chris@433:         if (deflt) *deflt = int(EqualSpaced);
Chris@1266:         
Chris@1266:         val = int(m_verticalScale);
Chris@411: 
Chris@411:     } else if (name == "Scale Units") {
Chris@411: 
Chris@411:         if (deflt) *deflt = 0;
Chris@1471:         auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:         if (model) {
Chris@411:             val = UnitDatabase::getInstance()->getUnitId
Chris@1471:                 (model->getScaleUnits());
Chris@411:         }
Chris@411: 
Chris@411:     } else {
Chris@411: 
Chris@1266:         val = SingleColourLayer::getPropertyRangeAndValue(name, min, max, deflt);
Chris@411:     }
Chris@411: 
Chris@411:     return val;
Chris@411: }
Chris@411: 
Chris@411: QString
Chris@411: RegionLayer::getPropertyValueLabel(const PropertyName &name,
Chris@427:                                    int value) const
Chris@411: {
Chris@427:     if (name == "Colour" && m_plotStyle == PlotSegmentation) {
Chris@1362:         return ColourMapper::getColourMapLabel(value);
Chris@427:     } else if (name == "Plot Type") {
Chris@412: 
Chris@1266:         switch (value) {
Chris@1266:         default:
Chris@1266:         case 0: return tr("Bars");
Chris@1266:         case 1: return tr("Segmentation");
Chris@1266:         }
Chris@412: 
Chris@412:     } else 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("Equal Spaced");
Chris@1266:         case 2: return tr("Linear");
Chris@1266:         case 3: return tr("Log");
Chris@1266:         }
Chris@411:     }
Chris@411:     return SingleColourLayer::getPropertyValueLabel(name, value);
Chris@411: }
Chris@411: 
Chris@411: void
Chris@411: RegionLayer::setProperty(const PropertyName &name, int value)
Chris@411: {
Chris@427:     if (name == "Colour" && m_plotStyle == PlotSegmentation) {
Chris@427:         setFillColourMap(value);
Chris@427:     } else if (name == "Plot Type") {
Chris@1266:         setPlotStyle(PlotStyle(value));
Chris@412:     } else if (name == "Vertical Scale") {
Chris@1266:         setVerticalScale(VerticalScale(value));
Chris@411:     } else if (name == "Scale Units") {
Chris@1471:         auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:         if (model) {
Chris@1471:             model->setScaleUnits
Chris@411:                 (UnitDatabase::getInstance()->getUnitById(value));
Chris@1481:             emit modelChanged(m_model);
Chris@411:         }
Chris@411:     } else {
Chris@411:         return SingleColourLayer::setProperty(name, value);
Chris@411:     }
Chris@411: }
Chris@411: 
Chris@411: void
Chris@427: RegionLayer::setFillColourMap(int map)
Chris@427: {
Chris@427:     if (m_colourMap == map) return;
Chris@427:     m_colourMap = map;
Chris@427:     emit layerParametersChanged();
Chris@427: }
Chris@427: 
Chris@427: void
Chris@412: RegionLayer::setPlotStyle(PlotStyle style)
Chris@412: {
Chris@412:     if (m_plotStyle == style) return;
Chris@427:     bool colourTypeChanged = (style == PlotSegmentation ||
Chris@427:                               m_plotStyle == PlotSegmentation);
Chris@412:     m_plotStyle = style;
Chris@427:     if (colourTypeChanged) {
Chris@427:         emit layerParameterRangesChanged();
Chris@427:     }
Chris@412:     emit layerParametersChanged();
Chris@412: }
Chris@412: 
Chris@412: void
Chris@411: RegionLayer::setVerticalScale(VerticalScale scale)
Chris@411: {
Chris@411:     if (m_verticalScale == scale) return;
Chris@411:     m_verticalScale = scale;
Chris@411:     emit layerParametersChanged();
Chris@411: }
Chris@411: 
Chris@411: bool
Chris@918: RegionLayer::isLayerScrollable(const LayerGeometryProvider *v) const
Chris@411: {
Chris@411:     QPoint discard;
Chris@411:     return !v->shouldIlluminateLocalFeatures(this, discard);
Chris@411: }
Chris@411: 
Chris@433: void
Chris@433: RegionLayer::recalcSpacing()
Chris@433: {
Chris@433:     m_spacingMap.clear();
Chris@551:     m_distributionMap.clear();
Chris@1471: 
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return;
Chris@433: 
Chris@587: //    SVDEBUG << "RegionLayer::recalcSpacing" << endl;
Chris@433: 
Chris@1471:     EventVector allEvents = model->getAllEvents();
Chris@1428:     for (const Event &e: allEvents) {
Chris@1428:         m_distributionMap[e.getValue()]++;
Chris@1428: //        SVDEBUG << "RegionLayer::recalcSpacing: value found: " << e.getValue() << " (now have " << m_distributionMap[e.getValue()] << " of this value)" <<  endl;
Chris@433:     }
Chris@433: 
Chris@433:     int n = 0;
Chris@433: 
Chris@551:     for (SpacingMap::const_iterator i = m_distributionMap.begin();
Chris@551:          i != m_distributionMap.end(); ++i) {
Chris@551:         m_spacingMap[i->first] = n++;
Chris@587: //        SVDEBUG << "RegionLayer::recalcSpacing: " << i->first << " -> " << m_spacingMap[i->first] << endl;
Chris@433:     }
Chris@433: }
Chris@433: 
Chris@411: bool
Chris@905: RegionLayer::getValueExtents(double &min, double &max,
Chris@411:                            bool &logarithmic, QString &unit) const
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return false;
Chris@1471:     min = model->getValueMinimum();
Chris@1471:     max = model->getValueMaximum();
Chris@701:     unit = getScaleUnits();
Chris@411: 
Chris@411:     if (m_verticalScale == LogScale) logarithmic = true;
Chris@411: 
Chris@411:     return true;
Chris@411: }
Chris@411: 
Chris@411: bool
Chris@905: RegionLayer::getDisplayExtents(double &min, double &max) const
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model ||
Chris@433:         m_verticalScale == AutoAlignScale ||
Chris@433:         m_verticalScale == EqualSpaced) return false;
Chris@411: 
Chris@1471:     min = model->getValueMinimum();
Chris@1471:     max = model->getValueMaximum();
Chris@411: 
Chris@411:     return true;
Chris@411: }
Chris@411: 
Chris@1428: EventVector
Chris@918: RegionLayer::getLocalPoints(LayerGeometryProvider *v, int x) const
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return EventVector();
Chris@411: 
Chris@989:     sv_frame_t frame = v->getFrameForX(x);
Chris@411: 
Chris@1471:     EventVector local = model->getEventsCovering(frame);
Chris@1428:     if (!local.empty()) return local;
Chris@411: 
Chris@1428:     int fuzz = ViewManager::scalePixelSize(2);
Chris@1428:     sv_frame_t start = v->getFrameForX(x - fuzz);
Chris@1428:     sv_frame_t end = v->getFrameForX(x + fuzz);
Chris@411: 
Chris@1471:     local = model->getEventsStartingWithin(frame, end - frame);
Chris@1428:     if (!local.empty()) return local;
Chris@411: 
Chris@1471:     local = model->getEventsSpanning(start, frame - start);
Chris@1428:     if (!local.empty()) return local;
Chris@411: 
Chris@1428:     return {};
Chris@411: }
Chris@411: 
Chris@550: bool
Chris@1428: RegionLayer::getPointToDrag(LayerGeometryProvider *v, int x, int y, Event &point) const
Chris@550: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return false;
Chris@550: 
Chris@989:     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@1428:     for (const auto &p: onPoints) {
Chris@1428:         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@1428:             point = p;
Chris@550:         }
Chris@550:     }
Chris@550: 
Chris@550:     return true;
Chris@550: }
Chris@550: 
Chris@411: QString
Chris@909: RegionLayer::getLabelPreceding(sv_frame_t frame) const
Chris@552: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return "";
Chris@1471:     EventVector points = model->getEventsStartingWithin
Chris@1471:         (model->getStartFrame(), frame - model->getStartFrame());
Chris@1428:     if (!points.empty()) {
Chris@1428:         for (auto i = points.rbegin(); i != points.rend(); ++i) {
Chris@1428:             if (i->getLabel() != QString()) {
Chris@1428:                 return i->getLabel();
Chris@1428:             }
Chris@1428:         }
Chris@552:     }
Chris@1428:     return QString();
Chris@552: }
Chris@552: 
Chris@552: QString
Chris@918: RegionLayer::getFeatureDescription(LayerGeometryProvider *v, QPoint &pos) const
Chris@411: {
Chris@411:     int x = pos.x();
Chris@411: 
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || !model->getSampleRate()) return "";
Chris@411: 
Chris@1428:     EventVector points = getLocalPoints(v, x);
Chris@411: 
Chris@411:     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@411:     }
Chris@411: 
Chris@1428:     Event region;
Chris@1428:     EventVector::iterator i;
Chris@411: 
Chris@413:     //!!! harmonise with whatever decision is made about point y
Chris@413:     //!!! coords in paint method
Chris@413: 
Chris@411:     for (i = points.begin(); i != points.end(); ++i) {
Chris@411: 
Chris@1428:         int y = getYForValue(v, i->getValue());
Chris@1266:         int h = 3;
Chris@411: 
Chris@1471:         if (model->getValueQuantization() != 0.0) {
Chris@1428:             h = y - getYForValue
Chris@1471:                 (v, i->getValue() + model->getValueQuantization());
Chris@1266:             if (h < 3) h = 3;
Chris@1266:         }
Chris@411: 
Chris@1266:         if (pos.y() >= y - h && pos.y() <= y) {
Chris@1266:             region = *i;
Chris@1266:             break;
Chris@1266:         }
Chris@411:     }
Chris@411: 
Chris@411:     if (i == points.end()) return tr("No local points");
Chris@411: 
Chris@1428:     RealTime rt = RealTime::frame2RealTime(region.getFrame(),
Chris@1471:                                            model->getSampleRate());
Chris@1428:     RealTime rd = RealTime::frame2RealTime(region.getDuration(),
Chris@1471:                                            model->getSampleRate());
Chris@411:     
Chris@411:     QString valueText;
Chris@411: 
Chris@1428:     valueText = tr("%1 %2").arg(region.getValue()).arg(getScaleUnits());
Chris@411: 
Chris@411:     QString text;
Chris@411: 
Chris@1428:     if (region.getLabel() == "") {
Chris@1266:         text = QString(tr("Time:\t%1\nValue:\t%2\nDuration:\t%3\nNo label"))
Chris@1266:             .arg(rt.toText(true).c_str())
Chris@1266:             .arg(valueText)
Chris@1266:             .arg(rd.toText(true).c_str());
Chris@411:     } else {
Chris@1266:         text = QString(tr("Time:\t%1\nValue:\t%2\nDuration:\t%3\nLabel:\t%4"))
Chris@1266:             .arg(rt.toText(true).c_str())
Chris@1266:             .arg(valueText)
Chris@1266:             .arg(rd.toText(true).c_str())
Chris@1428:             .arg(region.getLabel());
Chris@411:     }
Chris@411: 
Chris@1428:     pos = QPoint(v->getXForFrame(region.getFrame()),
Chris@1428:                  getYForValue(v, region.getValue()));
Chris@411:     return text;
Chris@411: }
Chris@411: 
Chris@411: bool
Chris@918: RegionLayer::snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame,
Chris@805:                                 int &resolution,
Chris@1547:                                 SnapType snap, int ycoord) const
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) {
Chris@1547:         return Layer::snapToFeatureFrame(v, frame, resolution, snap, ycoord);
Chris@411:     }
Chris@411: 
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@411: 
Chris@411:     if (snap == SnapNeighbouring) {
Chris@1432:         EventVector points = getLocalPoints(v, v->getXForFrame(frame));
Chris@1266:         if (points.empty()) return false;
Chris@1428:         frame = points.begin()->getFrame();
Chris@1266:         return true;
Chris@411:     }    
Chris@411: 
Chris@1432:     // Normally we snap to the start frame of whichever event we
Chris@1432:     // find. However here, for SnapRight only, if the end frame of
Chris@1432:     // whichever event we would have snapped to had we been snapping
Chris@1432:     // left is closer than the start frame of the next event to the
Chris@1432:     // right, then we snap to that frame instead. Clear?
Chris@1428:     
Chris@1432:     Event left;
Chris@1432:     bool haveLeft = false;
Chris@1471:     if (model->getNearestEventMatching
Chris@1432:         (frame, [](Event) { return true; }, EventSeries::Backward, left)) {
Chris@1432:         haveLeft = true;
Chris@1432:     }
Chris@411: 
Chris@1432:     if (snap == SnapLeft) {
Chris@1432:         frame = left.getFrame();
Chris@1432:         return haveLeft;
Chris@1432:     }
Chris@411: 
Chris@1432:     Event right;
Chris@1432:     bool haveRight = false;
Chris@1471:     if (model->getNearestEventMatching
Chris@1432:         (frame, [](Event) { return true; }, EventSeries::Forward, right)) {
Chris@1432:         haveRight = true;
Chris@1432:     }
Chris@411: 
Chris@1432:     if (haveLeft) {
Chris@1432:         sv_frame_t leftEnd = left.getFrame() + left.getDuration();
Chris@1432:         if (leftEnd > frame) {
Chris@1432:             if (haveRight) {
Chris@1432:                 if (leftEnd - frame < right.getFrame() - frame) {
Chris@1432:                     frame = leftEnd;
Chris@1432:                 } else {
Chris@1432:                     frame = right.getFrame();
Chris@414:                 }
Chris@414:             } else {
Chris@1432:                 frame = leftEnd;
Chris@414:             }
Chris@1432:             return true;
Chris@1266:         }
Chris@411:     }
Chris@411: 
Chris@1432:     if (haveRight) {
Chris@1432:         frame = right.getFrame();
Chris@1432:         return true;
Chris@1432:     }
Chris@1432: 
Chris@1432:     return false;
Chris@411: }
Chris@411: 
Chris@559: bool
Chris@918: RegionLayer::snapToSimilarFeature(LayerGeometryProvider *v, sv_frame_t &frame,
Chris@805:                                   int &resolution,
Chris@559:                                   SnapType snap) const
Chris@559: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) {
Chris@1266:         return Layer::snapToSimilarFeature(v, frame, resolution, snap);
Chris@559:     }
Chris@559: 
Chris@1432:     // snap is only permitted to be SnapLeft or SnapRight here.  We
Chris@1432:     // don't do the same trick as in snapToFeatureFrame, of snapping
Chris@1432:     // to the end of a feature sometimes.
Chris@1432:     
Chris@1471:     resolution = model->getResolution();
Chris@559: 
Chris@1432:     Event ref;
Chris@1432:     Event e;
Chris@1432:     float matchvalue;
Chris@1432:     bool found;
Chris@559: 
Chris@1471:     found = model->getNearestEventMatching
Chris@1432:         (frame, [](Event) { return true; }, EventSeries::Backward, ref);
Chris@559: 
Chris@1432:     if (!found) {
Chris@1432:         return false;
Chris@559:     }
Chris@559: 
Chris@1432:     matchvalue = ref.getValue();
Chris@1432:     
Chris@1471:     found = model->getNearestEventMatching
Chris@1432:         (frame,
Chris@1432:          [matchvalue](Event e) {
Chris@1432:              double epsilon = 0.0001;
Chris@1432:              return fabs(e.getValue() - matchvalue) < epsilon;
Chris@1432:          },
Chris@1432:          snap == SnapLeft ? EventSeries::Backward : EventSeries::Forward,
Chris@1432:          e);
Chris@559: 
Chris@1432:     if (!found) {
Chris@1432:         return false;
Chris@559:     }
Chris@559: 
Chris@1432:     frame = e.getFrame();
Chris@1432:     return true;
Chris@559: }
Chris@559: 
Chris@701: QString
Chris@701: RegionLayer::getScaleUnits() const
Chris@701: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (model) return model->getScaleUnits();
Chris@701:     else return "";
Chris@701: }
Chris@701: 
Chris@411: void
Chris@918: RegionLayer::getScaleExtents(LayerGeometryProvider *v, double &min, double &max, bool &log) const
Chris@411: {
Chris@411:     min = 0.0;
Chris@411:     max = 0.0;
Chris@411:     log = false;
Chris@411: 
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return;
Chris@1471: 
Chris@411:     QString queryUnits;
Chris@701:     queryUnits = getScaleUnits();
Chris@411: 
Chris@411:     if (m_verticalScale == AutoAlignScale) {
Chris@411: 
Chris@1537:         if (!v->getVisibleExtentsForUnit(queryUnits, min, max, log)) {
Chris@411: 
Chris@1471:             min = model->getValueMinimum();
Chris@1471:             max = model->getValueMaximum();
Chris@411: 
Chris@682: //            cerr << "RegionLayer[" << this << "]::getScaleExtents: min = " << min << ", max = " << max << ", log = " << log << endl;
Chris@411: 
Chris@411:         } else if (log) {
Chris@411: 
Chris@411:             LogRange::mapRange(min, max);
Chris@411: 
Chris@682: //            cerr << "RegionLayer[" << this << "]::getScaleExtents: min = " << min << ", max = " << max << ", log = " << log << endl;
Chris@411: 
Chris@411:         }
Chris@411: 
Chris@433:     } else if (m_verticalScale == EqualSpaced) {
Chris@433: 
Chris@433:         if (!m_spacingMap.empty()) {
Chris@433:             SpacingMap::const_iterator i = m_spacingMap.begin();
Chris@433:             min = i->second;
Chris@433:             i = m_spacingMap.end();
Chris@433:             --i;
Chris@433:             max = i->second;
Chris@682: //            cerr << "RegionLayer[" << this << "]::getScaleExtents: equal spaced; min = " << min << ", max = " << max << ", log = " << log << endl;
Chris@433:         }
Chris@433: 
Chris@411:     } else {
Chris@411: 
Chris@1471:         min = model->getValueMinimum();
Chris@1471:         max = model->getValueMaximum();
Chris@411: 
Chris@411:         if (m_verticalScale == LogScale) {
Chris@411:             LogRange::mapRange(min, max);
Chris@411:             log = true;
Chris@411:         }
Chris@411:     }
Chris@411: 
Chris@411:     if (max == min) max = min + 1.0;
Chris@411: }
Chris@411: 
Chris@411: int
Chris@918: RegionLayer::spacingIndexToY(LayerGeometryProvider *v, int i) const
Chris@542: {
Chris@918:     int h = v->getPaintHeight();
Chris@905:     int n = int(m_spacingMap.size());
Chris@542:     // this maps from i (spacing of the value from the spacing
Chris@542:     // map) and n (number of region types) to y
Chris@542:     int y = h - (((h * i) / n) + (h / (2 * n)));
Chris@542:     return y;
Chris@542: }
Chris@542: 
Chris@905: double
Chris@918: RegionLayer::yToSpacingIndex(LayerGeometryProvider *v, int y) const
Chris@542: {
Chris@905:     // we return an inexact result here (double rather than int)
Chris@918:     int h = v->getPaintHeight();
Chris@905:     int n = int(m_spacingMap.size());
Chris@551:     // from y = h - ((h * i) / n) + (h / (2 * n)) as above (vh taking place of i)
Chris@905:     double vh = double(2*h*n - h - 2*n*y) / double(2*h);
Chris@542:     return vh;
Chris@542: }
Chris@542: 
Chris@542: int
Chris@918: RegionLayer::getYForValue(LayerGeometryProvider *v, double val) const
Chris@411: {
Chris@905:     double min = 0.0, max = 0.0;
Chris@411:     bool logarithmic = false;
Chris@918:     int h = v->getPaintHeight();
Chris@411: 
Chris@433:     if (m_verticalScale == EqualSpaced) {
Chris@433: 
Chris@433:         if (m_spacingMap.empty()) return h/2;
Chris@433:         
Chris@433:         SpacingMap::const_iterator i = m_spacingMap.lower_bound(val);
Chris@433:         //!!! what now, if i->first != v?
Chris@433: 
Chris@542:         int y = spacingIndexToY(v, i->second);
Chris@433: 
Chris@587: //        SVDEBUG << "RegionLayer::getYForValue: value " << val << " -> i->second " << i->second << " -> y " << y << endl;
Chris@542:         return y;
Chris@433: 
Chris@433: 
Chris@433:     } else {
Chris@433: 
Chris@433:         getScaleExtents(v, min, max, logarithmic);
Chris@411: 
Chris@682: //    cerr << "RegionLayer[" << this << "]::getYForValue(" << val << "): min = " << min << ", max = " << max << ", log = " << logarithmic << endl;
Chris@682: //    cerr << "h = " << h << ", margin = " << margin << endl;
Chris@411: 
Chris@433:         if (logarithmic) {
Chris@433:             val = LogRange::map(val);
Chris@433:         }
Chris@433: 
Chris@433:         return int(h - ((val - min) * h) / (max - min));
Chris@411:     }
Chris@411: }
Chris@411: 
Chris@905: double
Chris@918: RegionLayer::getValueForY(LayerGeometryProvider *v, int y) const
Chris@701: {
Chris@701:     return getValueForY(v, y, -1);
Chris@701: }
Chris@701: 
Chris@905: double
Chris@918: RegionLayer::getValueForY(LayerGeometryProvider *v, int y, int avoid) const
Chris@542: {
Chris@905:     double min = 0.0, max = 0.0;
Chris@542:     bool logarithmic = false;
Chris@918:     int h = v->getPaintHeight();
Chris@542: 
Chris@542:     if (m_verticalScale == EqualSpaced) {
Chris@542: 
Chris@542:         // if we're equal spaced, we probably want to snap to the
Chris@542:         // nearest item when close to it, and give some notification
Chris@542:         // that we're doing so
Chris@542: 
Chris@542:         if (m_spacingMap.empty()) return 1.f;
Chris@542: 
Chris@542:         // n is the number of distinct regions.  if we are close to
Chris@542:         // one of the m/n divisions in the y scale, we should snap to
Chris@542:         // the value of the mth region.
Chris@542: 
Chris@905:         double vh = yToSpacingIndex(v, y);
Chris@542: 
Chris@542:         // spacings in the map are integral, so find the closest one,
Chris@542:         // map it back to its y coordinate, and see how far we are
Chris@542:         // from it
Chris@542: 
Chris@905:         int n = int(m_spacingMap.size());
Chris@905:         int ivh = int(lrint(vh));
Chris@542:         if (ivh < 0) ivh = 0;
Chris@542:         if (ivh > n-1) ivh = n-1;
Chris@542:         int iy = spacingIndexToY(v, ivh);
Chris@542: 
Chris@542:         int dist = iy - y;
Chris@542:         int gap = h / n; // between region lines
Chris@542: 
Chris@682: //        cerr << "getValueForY: y = " << y << ", vh = " << vh << ", ivh = " << ivh << " of " << n << ", iy = " << iy << ", dist = " << dist << ", gap = " << gap << endl;
Chris@542: 
Chris@542:         SpacingMap::const_iterator i = m_spacingMap.begin();
Chris@542:         while (i != m_spacingMap.end()) {
Chris@542:             if (i->second == ivh) break;
Chris@542:             ++i;
Chris@542:         }
Chris@542:         if (i == m_spacingMap.end()) i = m_spacingMap.begin();
Chris@542: 
Chris@682: //        cerr << "nearest existing value = " << i->first << " at " << iy << endl;
Chris@551: 
Chris@905:         double val = 0;
Chris@542: 
Chris@682: //        cerr << "note: avoid = " << avoid << ", i->second = " << i->second << endl;
Chris@551: 
Chris@551:         if (dist < -gap/3 &&
Chris@551:             ((avoid == -1) ||
Chris@551:              (avoid != i->second && avoid != i->second - 1))) {
Chris@542:             // bisect gap to prior
Chris@542:             if (i == m_spacingMap.begin()) {
Chris@542:                 val = i->first - 1.f;
Chris@682: //                cerr << "extended down to " << val << endl;
Chris@542:             } else {
Chris@542:                 SpacingMap::const_iterator j = i;
Chris@542:                 --j;
Chris@542:                 val = (i->first + j->first) / 2;
Chris@682: //                cerr << "bisected down to " << val << endl;
Chris@542:             }
Chris@551:         } else if (dist > gap/3 &&
Chris@551:                    ((avoid == -1) ||
Chris@551:                     (avoid != i->second && avoid != i->second + 1))) {
Chris@542:             // bisect gap to following
Chris@542:             SpacingMap::const_iterator j = i;
Chris@542:             ++j;
Chris@542:             if (j == m_spacingMap.end()) {
Chris@542:                 val = i->first + 1.f;
Chris@682: //                cerr << "extended up to " << val << endl;
Chris@542:             } else {
Chris@542:                 val = (i->first + j->first) / 2;
Chris@682: //                cerr << "bisected up to " << val << endl;
Chris@542:             }
Chris@551:         } else {
Chris@551:             // snap
Chris@551:             val = i->first;
Chris@682: //            cerr << "snapped to " << val << endl;
Chris@542:         }            
Chris@542: 
Chris@542:         return val;
Chris@542: 
Chris@542:     } else {
Chris@542: 
Chris@542:         getScaleExtents(v, min, max, logarithmic);
Chris@542: 
Chris@905:         double val = min + (double(h - y) * double(max - min)) / h;
Chris@542: 
Chris@542:         if (logarithmic) {
Chris@905:             val = pow(10.0, val);
Chris@542:         }
Chris@542: 
Chris@542:         return val;
Chris@542:     }
Chris@542: }
Chris@542: 
Chris@427: QColor
Chris@918: RegionLayer::getColourForValue(LayerGeometryProvider *v, double val) const
Chris@427: {
Chris@905:     double min, max;
Chris@427:     bool log;
Chris@427:     getScaleExtents(v, min, max, log);
Chris@427: 
Chris@427:     if (min > max) std::swap(min, max);
Chris@427:     if (max == min) max = min + 1;
Chris@427: 
Chris@427:     if (log) {
Chris@427:         LogRange::mapRange(min, max);
Chris@427:         val = LogRange::map(val);
Chris@427:     }
Chris@427: 
Chris@587: //    SVDEBUG << "RegionLayer::getColourForValue: min " << min << ", max "
Chris@585: //              << max << ", log " << log << ", value " << val << endl;
Chris@427: 
Chris@1362:     QColor solid = ColourMapper(m_colourMap, m_colourInverted, min, max).map(val);
Chris@427:     return QColor(solid.red(), solid.green(), solid.blue(), 120);
Chris@427: }
Chris@427: 
Chris@427: int
Chris@427: RegionLayer::getDefaultColourHint(bool darkbg, bool &impose)
Chris@427: {
Chris@427:     impose = false;
Chris@427:     return ColourDatabase::getInstance()->getColourIndex
Chris@427:         (QString(darkbg ? "Bright Blue" : "Blue"));
Chris@427: }
Chris@427: 
Chris@411: void
Chris@916: RegionLayer::paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || !model->isOK()) return;
Chris@411: 
Chris@1471:     sv_samplerate_t sampleRate = model->getSampleRate();
Chris@411:     if (!sampleRate) return;
Chris@411: 
Chris@411: //    Profiler profiler("RegionLayer::paint", true);
Chris@411: 
Chris@552:     int x0 = rect.left() - 40, x1 = rect.right();
Chris@411: 
Chris@1409:     sv_frame_t wholeFrame0 = v->getFrameForX(0);
Chris@1409:     sv_frame_t wholeFrame1 = v->getFrameForX(v->getPaintWidth());
Chris@1409: 
Chris@1471:     EventVector points(model->getEventsSpanning(wholeFrame0,
Chris@1428:                                                   wholeFrame1 - wholeFrame0));
Chris@411:     if (points.empty()) return;
Chris@411: 
Chris@411:     paint.setPen(getBaseQColor());
Chris@411: 
Chris@411:     QColor brushColour(getBaseQColor());
Chris@411:     brushColour.setAlpha(80);
Chris@411: 
Chris@587: //    SVDEBUG << "RegionLayer::paint: resolution is "
Chris@1471: //              << model->getResolution() << " frames" << endl;
Chris@411: 
Chris@1471:     double min = model->getValueMinimum();
Chris@1471:     double max = model->getValueMaximum();
Chris@411:     if (max == min) max = min + 1.0;
Chris@411: 
Chris@411:     QPoint localPos;
Chris@1428:     Event illuminatePoint(0);
Chris@551:     bool shouldIlluminate = false;
Chris@411: 
Chris@411:     if (v->shouldIlluminateLocalFeatures(this, localPos)) {
Chris@551:         shouldIlluminate = getPointToDrag(v, localPos.x(), localPos.y(),
Chris@551:                                           illuminatePoint);
Chris@411:     }
Chris@411: 
Chris@411:     paint.save();
Chris@411:     paint.setRenderHint(QPainter::Antialiasing, false);
Chris@411:     
Chris@413:     //!!! point y coords if model does not haveDistinctValues() should
Chris@413:     //!!! be assigned to avoid overlaps
Chris@413: 
Chris@413:     //!!! if it does have distinct values, we should still ensure y
Chris@413:     //!!! coord is never completely flat on the top or bottom
Chris@413: 
Chris@550:     int fontHeight = paint.fontMetrics().height();
Chris@550: 
Chris@1428:     for (EventVector::const_iterator i = points.begin();
Chris@1266:          i != points.end(); ++i) {
Chris@411: 
Chris@1428:         const Event &p(*i);
Chris@411: 
Chris@1428:         int x = v->getXForFrame(p.getFrame());
Chris@1428:         int w = v->getXForFrame(p.getFrame() + p.getDuration()) - x;
Chris@1428:         int y = getYForValue(v, p.getValue());
Chris@1266:         int h = 9;
Chris@1266:         int ex = x + w;
Chris@427: 
Chris@1409:         int gap = v->scalePixelSize(2);
Chris@1409:         
Chris@1428:         EventVector::const_iterator j = i;
Chris@1266:         ++j;
Chris@427: 
Chris@1266:         if (j != points.end()) {
Chris@1428:             const Event &q(*j);
Chris@1428:             int nx = v->getXForFrame(q.getFrame());
Chris@433:             if (nx < ex) ex = nx;
Chris@427:         }
Chris@427: 
Chris@1471:         if (model->getValueQuantization() != 0.0) {
Chris@1428:             h = y - getYForValue
Chris@1471:                 (v, p.getValue() + model->getValueQuantization());
Chris@1266:             if (h < 3) h = 3;
Chris@1266:         }
Chris@411: 
Chris@1266:         if (w < 1) w = 1;
Chris@411: 
Chris@1266:         if (m_plotStyle == PlotSegmentation) {
Chris@918:             paint.setPen(getForegroundQColor(v->getView()));
Chris@1428:             paint.setBrush(getColourForValue(v, p.getValue()));
Chris@427:         } else {
Chris@427:             paint.setPen(getBaseQColor());
Chris@427:             paint.setBrush(brushColour);
Chris@427:         }
Chris@427: 
Chris@1266:         if (m_plotStyle == PlotSegmentation) {
Chris@427: 
Chris@1266:             if (ex <= x) continue;
Chris@427: 
Chris@1428:             if (!shouldIlluminate || illuminatePoint != p) {
Chris@551: 
Chris@918:                 paint.setPen(QPen(getForegroundQColor(v->getView()), 1));
Chris@918:                 paint.drawLine(x, 0, x, v->getPaintHeight());
Chris@551:                 paint.setPen(Qt::NoPen);
Chris@552: 
Chris@552:             } else {
Chris@918:                 paint.setPen(QPen(getForegroundQColor(v->getView()), 2));
Chris@551:             }
Chris@427: 
Chris@1409:             paint.drawRect(x, -1, ex - x, v->getPaintHeight() + gap);
Chris@427: 
Chris@1266:         } else {
Chris@427: 
Chris@1428:             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@1428:                 QString vlabel =
Chris@1428:                     QString("%1%2").arg(p.getValue()).arg(getScaleUnits());
Chris@1078:                 PaintAssistant::drawVisibleText(v, paint, 
Chris@1409:                                    x - paint.fontMetrics().width(vlabel) - gap,
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@1409:                                    y - h/2 - paint.fontMetrics().descent() - gap,
Chris@1078:                                    hlabel, PaintAssistant::OutlinedText);
Chris@427:             }
Chris@551:             
Chris@427:             paint.drawLine(x, y-1, x + w, y-1);
Chris@427:             paint.drawLine(x, y+1, x + w, y+1);
Chris@427:             paint.drawLine(x, y - h/2, x, y + h/2);
Chris@427:             paint.drawLine(x+w, y - h/2, x + w, y + h/2);
Chris@427:         }
Chris@552:     }
Chris@552: 
Chris@552:     int nextLabelMinX = -100;
Chris@552:     int lastLabelY = 0;
Chris@552: 
Chris@1428:     for (EventVector::const_iterator i = points.begin();
Chris@1266:          i != points.end(); ++i) {
Chris@552: 
Chris@1428:         const Event &p(*i);
Chris@552: 
Chris@1428:         int x = v->getXForFrame(p.getFrame());
Chris@1428:         int w = v->getXForFrame(p.getFrame() + p.getDuration()) - x;
Chris@1428:         int y = getYForValue(v, p.getValue());
Chris@552: 
Chris@1428:         QString label = p.getLabel();
Chris@1409:         if (label == "") {
Chris@1428:             label = QString("%1%2").arg(p.getValue()).arg(getScaleUnits());
Chris@1409:         }
Chris@1409:         int labelWidth = paint.fontMetrics().width(label);
Chris@1409: 
Chris@1409:         int gap = v->scalePixelSize(2);
Chris@1409: 
Chris@1409:         if (m_plotStyle == PlotSegmentation) {
Chris@1409:             if ((x + w < x0 && x + labelWidth + gap < x0) || x > x1) {
Chris@1409:                 continue;
Chris@1409:             }
Chris@1409:         } else {
Chris@1409:             if (x + w < x0 || x - labelWidth - gap > x1) {
Chris@1409:                 continue;
Chris@1409:             }
Chris@1409:         }
Chris@1409:         
Chris@552:         bool illuminated = false;
Chris@552: 
Chris@1266:         if (m_plotStyle != PlotSegmentation) {
Chris@1428:             if (shouldIlluminate && illuminatePoint == p) {
Chris@552:                 illuminated = true;
Chris@552:             }
Chris@552:         }
Chris@427: 
Chris@551:         if (!illuminated) {
Chris@551: 
Chris@552:             int labelX, labelY;
Chris@552: 
Chris@551:             if (m_plotStyle != PlotSegmentation) {
Chris@1409:                 labelX = x - labelWidth - gap;
Chris@552:                 labelY = y + paint.fontMetrics().height()/2 
Chris@552:                     - paint.fontMetrics().descent();
Chris@551:             } else {
Chris@552:                 labelX = x + 5;
Chris@1537:                 labelY = v->getTextLabelYCoord(this, paint);
Chris@552:                 if (labelX < nextLabelMinX) {
Chris@918:                     if (lastLabelY < v->getPaintHeight()/2) {
Chris@552:                         labelY = lastLabelY + fontHeight;
Chris@552:                     }
Chris@552:                 }
Chris@552:                 lastLabelY = labelY;
Chris@1409:                 nextLabelMinX = labelX + labelWidth;
Chris@551:             }
Chris@552: 
Chris@1409:             PaintAssistant::drawVisibleText(v, paint, labelX, labelY, label,
Chris@1409:                                             PaintAssistant::OutlinedText);
Chris@550:         }
Chris@411:     }
Chris@411: 
Chris@411:     paint.restore();
Chris@411: }
Chris@411: 
Chris@701: int
Chris@918: RegionLayer::getVerticalScaleWidth(LayerGeometryProvider *v, bool, QPainter &paint) const
Chris@701: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || 
Chris@701:         m_verticalScale == AutoAlignScale || 
Chris@701:         m_verticalScale == EqualSpaced) {
Chris@701:         return 0;
Chris@701:     } else if (m_plotStyle == PlotSegmentation) {
Chris@701:         if (m_verticalScale == LogScale) {
Chris@701:             return LogColourScale().getWidth(v, paint);
Chris@701:         } else {
Chris@701:             return LinearColourScale().getWidth(v, paint);
Chris@701:         }
Chris@701:     } else {
Chris@701:         if (m_verticalScale == LogScale) {
Chris@701:             return LogNumericalScale().getWidth(v, paint);
Chris@701:         } else {
Chris@701:             return LinearNumericalScale().getWidth(v, paint);
Chris@701:         }
Chris@701:     }
Chris@701: }
Chris@701: 
Chris@701: void
Chris@918: RegionLayer::paintVerticalScale(LayerGeometryProvider *v, bool, QPainter &paint, QRect) const
Chris@701: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(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@701: 
Chris@701:     if (m_plotStyle == PlotSegmentation) {
Chris@701: 
Chris@701:         getValueExtents(min, max, logarithmic, unit);
Chris@701: 
Chris@701:         if (logarithmic) {
Chris@701:             LogRange::mapRange(min, max);
Chris@701:             LogColourScale().paintVertical(v, this, paint, 0, min, max);
Chris@701:         } else {
Chris@701:             LinearColourScale().paintVertical(v, this, paint, 0, min, max);
Chris@701:         }
Chris@701: 
Chris@701:     } else {
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:         
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@701:     }
Chris@701: }
Chris@701: 
Chris@411: void
Chris@918: RegionLayer::drawStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return;
Chris@411: 
Chris@989:     sv_frame_t frame = v->getFrameForX(e->x());
Chris@411:     if (frame < 0) frame = 0;
Chris@1471:     frame = frame / model->getResolution() * model->getResolution();
Chris@411: 
Chris@905:     double value = getValueForY(v, e->y());
Chris@411: 
Chris@1428:     m_editingPoint = Event(frame, float(value), 0, "");
Chris@411:     m_originalPoint = m_editingPoint;
Chris@411: 
Chris@411:     if (m_editingCommand) finish(m_editingCommand);
Chris@1471:     m_editingCommand = new ChangeEventsCommand(m_model.untyped, tr("Draw Region"));
Chris@1428:     m_editingCommand->add(m_editingPoint);
Chris@411: 
Chris@550:     recalcSpacing();
Chris@550: 
Chris@411:     m_editing = true;
Chris@411: }
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::drawDrag(LayerGeometryProvider *v, QMouseEvent *e)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@411: 
Chris@905:     sv_frame_t frame = v->getFrameForX(e->x());
Chris@411:     if (frame < 0) frame = 0;
Chris@1471:     frame = frame / model->getResolution() * model->getResolution();
Chris@411: 
Chris@1428:     double newValue = m_editingPoint.getValue();
Chris@542:     if (m_verticalScale != EqualSpaced) newValue = getValueForY(v, e->y());
Chris@411: 
Chris@1428:     sv_frame_t newFrame = m_editingPoint.getFrame();
Chris@905:     sv_frame_t newDuration = frame - newFrame;
Chris@411:     if (newDuration < 0) {
Chris@411:         newFrame = frame;
Chris@411:         newDuration = -newDuration;
Chris@411:     } else if (newDuration == 0) {
Chris@411:         newDuration = 1;
Chris@411:     }
Chris@411: 
Chris@1428:     m_editingCommand->remove(m_editingPoint);
Chris@1428:     m_editingPoint = m_editingPoint
Chris@1428:         .withFrame(newFrame)
Chris@1428:         .withValue(float(newValue))
Chris@1428:         .withDuration(newDuration);
Chris@1428:     m_editingCommand->add(m_editingPoint);
Chris@550: 
Chris@551:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::drawEnd(LayerGeometryProvider *, QMouseEvent *)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@411:     finish(m_editingCommand);
Chris@1408:     m_editingCommand = nullptr;
Chris@411:     m_editing = false;
Chris@550: 
Chris@550:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::eraseStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return;
Chris@411: 
Chris@550:     if (!getPointToDrag(v, e->x(), e->y(), m_editingPoint)) return;
Chris@411: 
Chris@411:     if (m_editingCommand) {
Chris@1266:         finish(m_editingCommand);
Chris@1408:         m_editingCommand = nullptr;
Chris@411:     }
Chris@411: 
Chris@411:     m_editing = true;
Chris@550:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::eraseDrag(LayerGeometryProvider *, QMouseEvent *)
Chris@411: {
Chris@411: }
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::eraseEnd(LayerGeometryProvider *v, QMouseEvent *e)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@411: 
Chris@411:     m_editing = false;
Chris@551: 
Chris@1428:     Event p(0);
Chris@550:     if (!getPointToDrag(v, e->x(), e->y(), p)) return;
Chris@1428:     if (p.getFrame() != m_editingPoint.getFrame() ||
Chris@1428:         p.getValue() != m_editingPoint.getValue()) return;
Chris@411: 
Chris@1428:     m_editingCommand = new ChangeEventsCommand
Chris@1471:         (m_model.untyped, tr("Erase Region"));
Chris@411: 
Chris@1428:     m_editingCommand->remove(m_editingPoint);
Chris@411: 
Chris@411:     finish(m_editingCommand);
Chris@1408:     m_editingCommand = nullptr;
Chris@411:     m_editing = false;
Chris@550:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::editStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return;
Chris@411: 
Chris@550:     if (!getPointToDrag(v, e->x(), e->y(), m_editingPoint)) {
Chris@550:         return;
Chris@550:     }
Chris@550: 
Chris@1428:     m_dragPointX = v->getXForFrame(m_editingPoint.getFrame());
Chris@1428:     m_dragPointY = getYForValue(v, m_editingPoint.getValue());
Chris@551: 
Chris@411:     m_originalPoint = m_editingPoint;
Chris@411: 
Chris@411:     if (m_editingCommand) {
Chris@1266:         finish(m_editingCommand);
Chris@1408:         m_editingCommand = nullptr;
Chris@411:     }
Chris@411: 
Chris@411:     m_editing = true;
Chris@551:     m_dragStartX = e->x();
Chris@551:     m_dragStartY = e->y();
Chris@550:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::editDrag(LayerGeometryProvider *v, QMouseEvent *e)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@411: 
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@989:     sv_frame_t frame = v->getFrameForX(newx);
Chris@411:     if (frame < 0) frame = 0;
Chris@1471:     frame = frame / model->getResolution() * model->getResolution();
Chris@411: 
Chris@551:     // Do not bisect between two values, if one of those values is
Chris@551:     // that of the point we're actually moving ...
Chris@1428:     int avoid = m_spacingMap[m_editingPoint.getValue()];
Chris@551: 
Chris@551:     // ... unless there are other points with the same value
Chris@1428:     if (m_distributionMap[m_editingPoint.getValue()] > 1) avoid = -1;
Chris@551: 
Chris@905:     double value = getValueForY(v, newy, avoid);
Chris@411: 
Chris@411:     if (!m_editingCommand) {
Chris@1471:         m_editingCommand = new ChangeEventsCommand(m_model.untyped,
Chris@1266:                                                       tr("Drag Region"));
Chris@411:     }
Chris@411: 
Chris@1428:     m_editingCommand->remove(m_editingPoint);
Chris@1428:     m_editingPoint = m_editingPoint
Chris@1428:         .withFrame(frame)
Chris@1428:         .withValue(float(value));
Chris@1428:     m_editingCommand->add(m_editingPoint);
Chris@550:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::editEnd(LayerGeometryProvider *, QMouseEvent *)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || !m_editing) return;
Chris@411: 
Chris@411:     if (m_editingCommand) {
Chris@411: 
Chris@1266:         QString newName = m_editingCommand->getName();
Chris@411: 
Chris@1428:         if (m_editingPoint.getFrame() != m_originalPoint.getFrame()) {
Chris@1428:             if (m_editingPoint.getValue() != m_originalPoint.getValue()) {
Chris@1266:                 newName = tr("Edit Region");
Chris@1266:             } else {
Chris@1266:                 newName = tr("Relocate Region");
Chris@1266:             }
Chris@1266:         } else {
Chris@1266:             newName = tr("Change Point Value");
Chris@1266:         }
Chris@411: 
Chris@1266:         m_editingCommand->setName(newName);
Chris@1266:         finish(m_editingCommand);
Chris@411:     }
Chris@411: 
Chris@1408:     m_editingCommand = nullptr;
Chris@411:     m_editing = false;
Chris@550:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: bool
Chris@918: RegionLayer::editOpen(LayerGeometryProvider *v, QMouseEvent *e)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return false;
Chris@411: 
Chris@1428:     Event region(0);
Chris@550:     if (!getPointToDrag(v, e->x(), e->y(), region)) return false;
Chris@550: 
Chris@411:     ItemEditDialog *dialog = new ItemEditDialog
Chris@1471:         (model->getSampleRate(),
Chris@411:          ItemEditDialog::ShowTime |
Chris@411:          ItemEditDialog::ShowDuration |
Chris@411:          ItemEditDialog::ShowValue |
Chris@411:          ItemEditDialog::ShowText,
Chris@701:          getScaleUnits());
Chris@411: 
Chris@1428:     dialog->setFrameTime(region.getFrame());
Chris@1428:     dialog->setValue(region.getValue());
Chris@1428:     dialog->setFrameDuration(region.getDuration());
Chris@1428:     dialog->setText(region.getLabel());
Chris@411: 
Chris@411:     if (dialog->exec() == QDialog::Accepted) {
Chris@411: 
Chris@1428:         Event newRegion = region
Chris@1428:             .withFrame(dialog->getFrameTime())
Chris@1428:             .withValue(dialog->getValue())
Chris@1428:             .withDuration(dialog->getFrameDuration())
Chris@1428:             .withLabel(dialog->getText());
Chris@411:         
Chris@1428:         ChangeEventsCommand *command = new ChangeEventsCommand
Chris@1471:             (m_model.untyped, tr("Edit Region"));
Chris@1428:         command->remove(region);
Chris@1428:         command->add(newRegion);
Chris@411:         finish(command);
Chris@411:     }
Chris@411: 
Chris@411:     delete dialog;
Chris@550:     recalcSpacing();
Chris@411:     return true;
Chris@411: }
Chris@411: 
Chris@411: void
Chris@905: RegionLayer::moveSelection(Selection s, sv_frame_t newStartFrame)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return;
Chris@411: 
Chris@1428:     ChangeEventsCommand *command =
Chris@1471:         new ChangeEventsCommand(m_model.untyped, tr("Drag Selection"));
Chris@411: 
Chris@1428:     EventVector points =
Chris@1471:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@411: 
Chris@1428:     for (EventVector::iterator i = points.begin();
Chris@1266:          i != points.end(); ++i) {
Chris@411: 
Chris@1429:         Event newPoint = (*i)
Chris@1429:             .withFrame(i->getFrame() + newStartFrame - s.getStartFrame());
Chris@1429:         command->remove(*i);
Chris@1429:         command->add(newPoint);
Chris@411:     }
Chris@411: 
Chris@411:     finish(command);
Chris@550:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: void
Chris@411: RegionLayer::resizeSelection(Selection s, Selection newSize)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model || !s.getDuration()) return;
Chris@411: 
Chris@1428:     ChangeEventsCommand *command =
Chris@1471:         new ChangeEventsCommand(m_model.untyped, tr("Resize Selection"));
Chris@411: 
Chris@1428:     EventVector points =
Chris@1471:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@411: 
Chris@1428:     double ratio = double(newSize.getDuration()) / double(s.getDuration());
Chris@1428:     double oldStart = double(s.getStartFrame());
Chris@1428:     double newStart = double(newSize.getStartFrame());
Chris@1428:     
Chris@1428:     for (Event p: points) {
Chris@411: 
Chris@1428:         double newFrame = (double(p.getFrame()) - oldStart) * ratio + newStart;
Chris@1428:         double newDuration = double(p.getDuration()) * ratio;
Chris@411: 
Chris@1428:         Event newPoint = p
Chris@1428:             .withFrame(lrint(newFrame))
Chris@1428:             .withDuration(lrint(newDuration));
Chris@1428:         command->remove(p);
Chris@1428:         command->add(newPoint);
Chris@411:     }
Chris@411: 
Chris@411:     finish(command);
Chris@550:     recalcSpacing();
Chris@411: }
Chris@411: 
Chris@411: void
Chris@411: RegionLayer::deleteSelection(Selection s)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return;
Chris@411: 
Chris@1428:     ChangeEventsCommand *command =
Chris@1471:         new ChangeEventsCommand(m_model.untyped, tr("Delete Selected Points"));
Chris@411: 
Chris@1428:     EventVector points =
Chris@1471:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@411: 
Chris@1428:     for (EventVector::iterator i = points.begin();
Chris@1266:          i != points.end(); ++i) {
Chris@411: 
Chris@1428:         if (s.contains(i->getFrame())) {
Chris@1428:             command->remove(*i);
Chris@411:         }
Chris@411:     }
Chris@411: 
Chris@411:     finish(command);
Chris@550:     recalcSpacing();
Chris@411: }    
Chris@411: 
Chris@411: void
Chris@918: RegionLayer::copy(LayerGeometryProvider *v, Selection s, Clipboard &to)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return;
Chris@411: 
Chris@1428:     EventVector points =
Chris@1471:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@411: 
Chris@1428:     for (Event p: points) {
Chris@1428:         to.addPoint(p.withReferenceFrame(alignToReference(v, p.getFrame())));
Chris@411:     }
Chris@411: }
Chris@411: 
Chris@411: bool
Chris@1533: RegionLayer::paste(LayerGeometryProvider *v, const Clipboard &from,
Chris@1533:                    sv_frame_t /* frameOffset */, bool /* interactive */)
Chris@411: {
Chris@1471:     auto model = ModelById::getAs<RegionModel>(m_model);
Chris@1471:     if (!model) return false;
Chris@411: 
Chris@1423:     const EventVector &points = from.getPoints();
Chris@411: 
Chris@411:     bool realign = false;
Chris@411: 
Chris@411:     if (clipboardHasDifferentAlignment(v, from)) {
Chris@411: 
Chris@411:         QMessageBox::StandardButton button =
Chris@918:             QMessageBox::question(v->getView(), tr("Re-align pasted items?"),
Chris@411:                                   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@411:                                   QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
Chris@411:                                   QMessageBox::Yes);
Chris@411: 
Chris@411:         if (button == QMessageBox::Cancel) {
Chris@411:             return false;
Chris@411:         }
Chris@411: 
Chris@411:         if (button == QMessageBox::Yes) {
Chris@411:             realign = true;
Chris@411:         }
Chris@411:     }
Chris@411: 
Chris@1428:     ChangeEventsCommand *command =
Chris@1471:         new ChangeEventsCommand(m_model.untyped, tr("Paste"));
Chris@411: 
Chris@1423:     for (EventVector::const_iterator i = points.begin();
Chris@411:          i != points.end(); ++i) {
Chris@411:         
Chris@905:         sv_frame_t frame = 0;
Chris@411: 
Chris@411:         if (!realign) {
Chris@411:             
Chris@411:             frame = i->getFrame();
Chris@411: 
Chris@411:         } else {
Chris@411: 
Chris@1423:             if (i->hasReferenceFrame()) {
Chris@411:                 frame = i->getReferenceFrame();
Chris@411:                 frame = alignFromReference(v, frame);
Chris@411:             } else {
Chris@411:                 frame = i->getFrame();
Chris@411:             }
Chris@411:         }
Chris@411: 
Chris@1533:         Event p = i->withFrame(frame);
Chris@1533: 
Chris@1428:         Event newPoint = p;
Chris@1428:         if (!p.hasValue()) {
Chris@1471:             newPoint = newPoint.withValue((model->getValueMinimum() +
Chris@1471:                                            model->getValueMaximum()) / 2);
Chris@1428:         }
Chris@1428:         if (!p.hasDuration()) {
Chris@905:             sv_frame_t nextFrame = frame;
Chris@1423:             EventVector::const_iterator j = i;
Chris@411:             for (; j != points.end(); ++j) {
Chris@411:                 if (j != i) break;
Chris@411:             }
Chris@411:             if (j != points.end()) {
Chris@411:                 nextFrame = j->getFrame();
Chris@411:             }
Chris@411:             if (nextFrame == frame) {
Chris@1471:                 newPoint = newPoint.withDuration(model->getResolution());
Chris@411:             } else {
Chris@1428:                 newPoint = newPoint.withDuration(nextFrame - frame);
Chris@411:             }
Chris@411:         }
Chris@411:         
Chris@1428:         command->add(newPoint);
Chris@411:     }
Chris@411: 
Chris@411:     finish(command);
Chris@550:     recalcSpacing();
Chris@411:     return true;
Chris@411: }
Chris@411: 
Chris@411: void
Chris@411: RegionLayer::toXml(QTextStream &stream,
Chris@411:                  QString indent, QString extraAttributes) const
Chris@411: {
Chris@1362:     QString s;
Chris@1362: 
Chris@1362:     s += QString("verticalScale=\"%1\" "
Chris@1362:                  "plotStyle=\"%2\" ")
Chris@1362:         .arg(m_verticalScale)
Chris@1362:         .arg(m_plotStyle);
Chris@1362: 
Chris@1362:     // New-style colour map attribute, by string id rather than by
Chris@1362:     // number
Chris@1362: 
Chris@1362:     s += QString("fillColourMap=\"%1\" ")
Chris@1362:         .arg(ColourMapper::getColourMapId(m_colourMap));
Chris@1362:     
Chris@1362:     // Old-style colour map attribute
Chris@1362: 
Chris@1362:     s += QString("colourMap=\"%1\" ")
Chris@1362:         .arg(ColourMapper::getBackwardCompatibilityColourMap(m_colourMap));
Chris@1362:     
Chris@1362:     SingleColourLayer::toXml(stream, indent, extraAttributes + " " + s);
Chris@411: }
Chris@411: 
Chris@411: void
Chris@411: RegionLayer::setProperties(const QXmlAttributes &attributes)
Chris@411: {
Chris@411:     SingleColourLayer::setProperties(attributes);
Chris@411: 
Chris@411:     bool ok;
Chris@411:     VerticalScale scale = (VerticalScale)
Chris@1266:         attributes.value("verticalScale").toInt(&ok);
Chris@411:     if (ok) setVerticalScale(scale);
Chris@412:     PlotStyle style = (PlotStyle)
Chris@1266:         attributes.value("plotStyle").toInt(&ok);
Chris@412:     if (ok) setPlotStyle(style);
Chris@1362:     
Chris@1362:     QString colourMapId = attributes.value("fillColourMap");
Chris@1362:     int colourMap = ColourMapper::getColourMapById(colourMapId);
Chris@1362:     if (colourMap >= 0) {
Chris@1362:         setFillColourMap(colourMap);
Chris@1362:     } else {
Chris@1362:         colourMap = attributes.value("colourMap").toInt(&ok);
Chris@1362:         if (ok && colourMap < ColourMapper::getColourMapCount()) {
Chris@1362:             setFillColourMap(colourMap);
Chris@1362:         }
Chris@1362:     }
Chris@411: }
Chris@411: 
Chris@411: