Chris@1511: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@1511: 
Chris@1511: /*
Chris@1511:     Sonic Visualiser
Chris@1511:     An audio file viewer and annotation editor.
Chris@1511:     Centre for Digital Music, Queen Mary, University of London.
Chris@1511:     
Chris@1511:     This program is free software; you can redistribute it and/or
Chris@1511:     modify it under the terms of the GNU General Public License as
Chris@1511:     published by the Free Software Foundation; either version 2 of the
Chris@1511:     License, or (at your option) any later version.  See the file
Chris@1511:     COPYING included with this distribution for more information.
Chris@1511: */
Chris@1511: 
Chris@1518: #include "BoxLayer.h"
Chris@1511: 
Chris@1511: #include "data/model/Model.h"
Chris@1511: #include "base/RealTime.h"
Chris@1511: #include "base/Profiler.h"
Chris@1511: #include "base/LogRange.h"
Chris@1511: 
Chris@1511: #include "ColourDatabase.h"
Chris@1511: #include "ColourMapper.h"
Chris@1511: #include "LinearNumericalScale.h"
Chris@1511: #include "LogNumericalScale.h"
Chris@1511: #include "PaintAssistant.h"
Chris@1511: 
Chris@1511: #include "view/View.h"
Chris@1511: 
Chris@1518: #include "data/model/BoxModel.h"
Chris@1511: 
Chris@1511: #include "widgets/ItemEditDialog.h"
Chris@1511: #include "widgets/TextAbbrev.h"
Chris@1511: 
Chris@1511: #include <QPainter>
Chris@1511: #include <QPainterPath>
Chris@1511: #include <QMouseEvent>
Chris@1511: #include <QTextStream>
Chris@1511: #include <QMessageBox>
Chris@1511: 
Chris@1511: #include <iostream>
Chris@1511: #include <cmath>
Chris@1511: 
Chris@1518: BoxLayer::BoxLayer() :
Chris@1511:     SingleColourLayer(),
Chris@1511:     m_editing(false),
Chris@1511:     m_dragPointX(0),
Chris@1511:     m_dragPointY(0),
Chris@1511:     m_dragStartX(0),
Chris@1511:     m_dragStartY(0),
Chris@1511:     m_originalPoint(0, 0.0, 0, tr("New Box")),
Chris@1511:     m_editingPoint(0, 0.0, 0, tr("New Box")),
Chris@1518:     m_editingCommand(nullptr),
Chris@1518:     m_verticalScale(AutoAlignScale)
Chris@1511: {
Chris@1511:     
Chris@1511: }
Chris@1511: 
Chris@1511: int
Chris@1518: BoxLayer::getCompletion(LayerGeometryProvider *) const
Chris@1511: {
Chris@1511:     auto model = ModelById::get(m_model);
Chris@1511:     if (model) return model->getCompletion();
Chris@1511:     else return 0;
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::setModel(ModelId modelId)
Chris@1511: {
Chris@1518:     auto oldModel = ModelById::getAs<BoxModel>(m_model);
Chris@1518:     auto newModel = ModelById::getAs<BoxModel>(modelId);
Chris@1511:     
Chris@1511:     if (!modelId.isNone() && !newModel) {
Chris@1518:         throw std::logic_error("Not a BoxModel");
Chris@1511:     }
Chris@1511:     
Chris@1511:     if (m_model == modelId) return;
Chris@1511:     m_model = modelId;
Chris@1511: 
Chris@1511:     if (newModel) {
Chris@1511:         connectSignals(m_model);
Chris@1511:     }
Chris@1511:     
Chris@1511:     emit modelReplaced();
Chris@1511: }
Chris@1511: 
Chris@1511: Layer::PropertyList
Chris@1518: BoxLayer::getProperties() const
Chris@1511: {
Chris@1511:     PropertyList list = SingleColourLayer::getProperties();
Chris@1511:     list.push_back("Vertical Scale");
Chris@1518:     list.push_back("Scale Units");
Chris@1511:     return list;
Chris@1511: }
Chris@1511: 
Chris@1511: QString
Chris@1518: BoxLayer::getPropertyLabel(const PropertyName &name) const
Chris@1511: {
Chris@1511:     if (name == "Vertical Scale") return tr("Vertical Scale");
Chris@1518:     if (name == "Scale Units") return tr("Scale Units");
Chris@1511:     return SingleColourLayer::getPropertyLabel(name);
Chris@1511: }
Chris@1511: 
Chris@1511: Layer::PropertyType
Chris@1518: BoxLayer::getPropertyType(const PropertyName &name) const
Chris@1511: {
Chris@1511:     if (name == "Vertical Scale") return ValueProperty;
Chris@1518:     if (name == "Scale Units") return UnitsProperty;
Chris@1511:     return SingleColourLayer::getPropertyType(name);
Chris@1511: }
Chris@1511: 
Chris@1511: QString
Chris@1518: BoxLayer::getPropertyGroupName(const PropertyName &name) const
Chris@1511: {
Chris@1518:     if (name == "Vertical Scale" || name == "Scale Units") {
Chris@1511:         return tr("Scale");
Chris@1511:     }
Chris@1511:     return SingleColourLayer::getPropertyGroupName(name);
Chris@1511: }
Chris@1511: 
Chris@1511: int
Chris@1518: BoxLayer::getPropertyRangeAndValue(const PropertyName &name,
Chris@1511:                                     int *min, int *max, int *deflt) const
Chris@1511: {
Chris@1511:     int val = 0;
Chris@1511: 
Chris@1511:     if (name == "Vertical Scale") {
Chris@1511:         
Chris@1511:         if (min) *min = 0;
Chris@1511:         if (max) *max = 2;
Chris@1511:         if (deflt) *deflt = int(LinearScale);
Chris@1511:         
Chris@1511:         val = int(m_verticalScale);
Chris@1511: 
Chris@1518:     } else if (name == "Scale Units") {
Chris@1518: 
Chris@1518:         if (deflt) *deflt = 0;
Chris@1518:         auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1518:         if (model) {
Chris@1518:             val = UnitDatabase::getInstance()->getUnitId
Chris@1518:                 (model->getScaleUnits());
Chris@1518:         }
Chris@1518: 
Chris@1511:     } else {
Chris@1511:         val = SingleColourLayer::getPropertyRangeAndValue(name, min, max, deflt);
Chris@1511:     }
Chris@1511: 
Chris@1511:     return val;
Chris@1511: }
Chris@1511: 
Chris@1511: QString
Chris@1518: BoxLayer::getPropertyValueLabel(const PropertyName &name,
Chris@1511:                                    int value) const
Chris@1511: {
Chris@1511:     if (name == "Vertical Scale") {
Chris@1511:         switch (value) {
Chris@1511:         default:
Chris@1511:         case 0: return tr("Auto-Align");
Chris@1511:         case 1: return tr("Linear");
Chris@1511:         case 2: return tr("Log");
Chris@1511:         }
Chris@1511:     }
Chris@1511:     return SingleColourLayer::getPropertyValueLabel(name, value);
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::setProperty(const PropertyName &name, int value)
Chris@1511: {
Chris@1511:     if (name == "Vertical Scale") {
Chris@1511:         setVerticalScale(VerticalScale(value));
Chris@1518:     } else if (name == "Scale Units") {
Chris@1518:         auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1518:         if (model) {
Chris@1518:             model->setScaleUnits
Chris@1518:                 (UnitDatabase::getInstance()->getUnitById(value));
Chris@1518:             emit modelChanged(m_model);
Chris@1518:         }
Chris@1511:     } else {
Chris@1511:         return SingleColourLayer::setProperty(name, value);
Chris@1511:     }
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::setVerticalScale(VerticalScale scale)
Chris@1511: {
Chris@1511:     if (m_verticalScale == scale) return;
Chris@1511:     m_verticalScale = scale;
Chris@1511:     emit layerParametersChanged();
Chris@1511: }
Chris@1511: 
Chris@1511: bool
Chris@1518: BoxLayer::isLayerScrollable(const LayerGeometryProvider *v) const
Chris@1511: {
Chris@1511:     QPoint discard;
Chris@1511:     return !v->shouldIlluminateLocalFeatures(this, discard);
Chris@1511: }
Chris@1511: 
Chris@1511: bool
Chris@1518: BoxLayer::getValueExtents(double &min, double &max,
Chris@1518:                           bool &logarithmic, QString &unit) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return false;
Chris@1518:     min = model->getValueMinimum();
Chris@1518:     max = model->getValueMaximum();
Chris@1511:     unit = getScaleUnits();
Chris@1511: 
Chris@1511:     if (m_verticalScale == LogScale) logarithmic = true;
Chris@1511: 
Chris@1511:     return true;
Chris@1511: }
Chris@1511: 
Chris@1511: bool
Chris@1518: BoxLayer::getDisplayExtents(double &min, double &max) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || m_verticalScale == AutoAlignScale) return false;
Chris@1511: 
Chris@1518:     min = model->getValueMinimum();
Chris@1518:     max = model->getValueMaximum();
Chris@1511: 
Chris@1511:     return true;
Chris@1511: }
Chris@1511: 
Chris@1518: bool
Chris@1528: BoxLayer::adoptExtents(double /* min */, double /* max */, QString unit)
Chris@1518: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1518:     if (!model) return false;
Chris@1518:     if (model->getScaleUnits() == "") {
Chris@1518:         model->setScaleUnits(unit);
Chris@1518:         return true;
Chris@1518:     } else {
Chris@1518:         return false;
Chris@1518:     }
Chris@1518: }
Chris@1518: 
Chris@1511: EventVector
Chris@1518: BoxLayer::getLocalPoints(LayerGeometryProvider *v, int x) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return EventVector();
Chris@1511: 
Chris@1511:     sv_frame_t frame = v->getFrameForX(x);
Chris@1511: 
Chris@1511:     EventVector local = model->getEventsCovering(frame);
Chris@1511:     if (!local.empty()) return local;
Chris@1511: 
Chris@1511:     int fuzz = ViewManager::scalePixelSize(2);
Chris@1511:     sv_frame_t start = v->getFrameForX(x - fuzz);
Chris@1511:     sv_frame_t end = v->getFrameForX(x + fuzz);
Chris@1511: 
Chris@1511:     local = model->getEventsStartingWithin(frame, end - frame);
Chris@1511:     if (!local.empty()) return local;
Chris@1511: 
Chris@1511:     local = model->getEventsSpanning(start, frame - start);
Chris@1511:     if (!local.empty()) return local;
Chris@1511: 
Chris@1511:     return {};
Chris@1511: }
Chris@1511: 
Chris@1511: bool
Chris@1518: BoxLayer::getPointToDrag(LayerGeometryProvider *v, int x, int y,
Chris@1511:                                       Event &point) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return false;
Chris@1511: 
Chris@1511:     sv_frame_t frame = v->getFrameForX(x);
Chris@1511: 
Chris@1511:     EventVector onPoints = model->getEventsCovering(frame);
Chris@1511:     if (onPoints.empty()) return false;
Chris@1511: 
Chris@1511:     int nearestDistance = -1;
Chris@1511:     for (const auto &p: onPoints) {
Chris@1511:         int distance = getYForValue(v, p.getValue()) - y;
Chris@1511:         if (distance < 0) distance = -distance;
Chris@1511:         if (nearestDistance == -1 || distance < nearestDistance) {
Chris@1511:             nearestDistance = distance;
Chris@1511:             point = p;
Chris@1511:         }
Chris@1511:     }
Chris@1511: 
Chris@1511:     return true;
Chris@1511: }
Chris@1511: 
Chris@1511: QString
Chris@1518: BoxLayer::getLabelPreceding(sv_frame_t frame) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return "";
Chris@1511:     EventVector points = model->getEventsStartingWithin
Chris@1511:         (model->getStartFrame(), frame - model->getStartFrame());
Chris@1511:     if (!points.empty()) {
Chris@1511:         for (auto i = points.rbegin(); i != points.rend(); ++i) {
Chris@1511:             if (i->getLabel() != QString()) {
Chris@1511:                 return i->getLabel();
Chris@1511:             }
Chris@1511:         }
Chris@1511:     }
Chris@1511:     return QString();
Chris@1511: }
Chris@1511: 
Chris@1511: QString
Chris@1518: BoxLayer::getFeatureDescription(LayerGeometryProvider *v,
Chris@1511:                                              QPoint &pos) const
Chris@1511: {
Chris@1511:     int x = pos.x();
Chris@1511: 
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || !model->getSampleRate()) return "";
Chris@1511: 
Chris@1511:     EventVector points = getLocalPoints(v, x);
Chris@1511: 
Chris@1511:     if (points.empty()) {
Chris@1511:         if (!model->isReady()) {
Chris@1511:             return tr("In progress");
Chris@1511:         } else {
Chris@1511:             return tr("No local points");
Chris@1511:         }
Chris@1511:     }
Chris@1511: 
Chris@1511:     Event box;
Chris@1511:     EventVector::iterator i;
Chris@1511: 
Chris@1511:     for (i = points.begin(); i != points.end(); ++i) {
Chris@1511: 
Chris@1511:         int y0 = getYForValue(v, i->getValue());
Chris@1511:         int y1 = getYForValue(v, i->getValue() + fabsf(i->getLevel()));
Chris@1511: 
Chris@1511:         if (pos.y() >= y0 && pos.y() <= y1) {
Chris@1511:             box = *i;
Chris@1511:             break;
Chris@1511:         }
Chris@1511:     }
Chris@1511: 
Chris@1511:     if (i == points.end()) return tr("No local points");
Chris@1511: 
Chris@1511:     RealTime rt = RealTime::frame2RealTime(box.getFrame(),
Chris@1511:                                            model->getSampleRate());
Chris@1511:     RealTime rd = RealTime::frame2RealTime(box.getDuration(),
Chris@1511:                                            model->getSampleRate());
Chris@1511:     
Chris@1511:     QString rangeText;
Chris@1511: 
Chris@1511:     rangeText = tr("%1 %2 - %3 %4")
Chris@1511:         .arg(box.getValue()).arg(getScaleUnits())
Chris@1511:         .arg(box.getValue() + fabsf(box.getLevel())).arg(getScaleUnits());
Chris@1511: 
Chris@1511:     QString text;
Chris@1511: 
Chris@1511:     if (box.getLabel() == "") {
Chris@1518:         text = QString(tr("Time:\t%1\nDuration:\t%2\nValue:\t%3\nNo label"))
Chris@1511:             .arg(rt.toText(true).c_str())
Chris@1511:             .arg(rd.toText(true).c_str())
Chris@1511:             .arg(rangeText);
Chris@1511:     } else {
Chris@1518:         text = QString(tr("Time:\t%1\nDuration:\t%2\nValue:\t%3\nLabel:\t%4"))
Chris@1511:             .arg(rt.toText(true).c_str())
Chris@1511:             .arg(rd.toText(true).c_str())
Chris@1511:             .arg(rangeText)
Chris@1511:             .arg(box.getLabel());
Chris@1511:     }
Chris@1511: 
Chris@1511:     pos = QPoint(v->getXForFrame(box.getFrame()),
Chris@1511:                  getYForValue(v, box.getValue()));
Chris@1511:     return text;
Chris@1511: }
Chris@1511: 
Chris@1511: bool
Chris@1518: BoxLayer::snapToFeatureFrame(LayerGeometryProvider *v,
Chris@1511:                                           sv_frame_t &frame,
Chris@1511:                                           int &resolution,
Chris@1511:                                           SnapType snap) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) {
Chris@1511:         return Layer::snapToFeatureFrame(v, frame, resolution, snap);
Chris@1511:     }
Chris@1511: 
Chris@1511:     // SnapLeft / SnapRight: return frame of nearest feature in that
Chris@1511:     // direction no matter how far away
Chris@1511:     //
Chris@1511:     // SnapNeighbouring: return frame of feature that would be used in
Chris@1511:     // an editing operation, i.e. closest feature in either direction
Chris@1511:     // but only if it is "close enough"
Chris@1511: 
Chris@1511:     resolution = model->getResolution();
Chris@1511: 
Chris@1511:     if (snap == SnapNeighbouring) {
Chris@1511:         EventVector points = getLocalPoints(v, v->getXForFrame(frame));
Chris@1511:         if (points.empty()) return false;
Chris@1511:         frame = points.begin()->getFrame();
Chris@1511:         return true;
Chris@1511:     }    
Chris@1511: 
Chris@1511:     // Normally we snap to the start frame of whichever event we
Chris@1511:     // find. However here, for SnapRight only, if the end frame of
Chris@1511:     // whichever event we would have snapped to had we been snapping
Chris@1511:     // left is closer than the start frame of the next event to the
Chris@1511:     // right, then we snap to that frame instead. Clear?
Chris@1511:     
Chris@1511:     Event left;
Chris@1511:     bool haveLeft = false;
Chris@1511:     if (model->getNearestEventMatching
Chris@1511:         (frame, [](Event) { return true; }, EventSeries::Backward, left)) {
Chris@1511:         haveLeft = true;
Chris@1511:     }
Chris@1511: 
Chris@1511:     if (snap == SnapLeft) {
Chris@1511:         frame = left.getFrame();
Chris@1511:         return haveLeft;
Chris@1511:     }
Chris@1511: 
Chris@1511:     Event right;
Chris@1511:     bool haveRight = false;
Chris@1511:     if (model->getNearestEventMatching
Chris@1511:         (frame, [](Event) { return true; }, EventSeries::Forward, right)) {
Chris@1511:         haveRight = true;
Chris@1511:     }
Chris@1511: 
Chris@1511:     if (haveLeft) {
Chris@1511:         sv_frame_t leftEnd = left.getFrame() + left.getDuration();
Chris@1511:         if (leftEnd > frame) {
Chris@1511:             if (haveRight) {
Chris@1511:                 if (leftEnd - frame < right.getFrame() - frame) {
Chris@1511:                     frame = leftEnd;
Chris@1511:                 } else {
Chris@1511:                     frame = right.getFrame();
Chris@1511:                 }
Chris@1511:             } else {
Chris@1511:                 frame = leftEnd;
Chris@1511:             }
Chris@1511:             return true;
Chris@1511:         }
Chris@1511:     }
Chris@1511: 
Chris@1511:     if (haveRight) {
Chris@1511:         frame = right.getFrame();
Chris@1511:         return true;
Chris@1511:     }
Chris@1511: 
Chris@1511:     return false;
Chris@1511: }
Chris@1511: 
Chris@1511: QString
Chris@1518: BoxLayer::getScaleUnits() const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (model) return model->getScaleUnits();
Chris@1511:     else return "";
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::getScaleExtents(LayerGeometryProvider *v,
Chris@1511:                                        double &min, double &max,
Chris@1511:                                        bool &log) const
Chris@1511: {
Chris@1511:     min = 0.0;
Chris@1511:     max = 0.0;
Chris@1511:     log = false;
Chris@1511: 
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return;
Chris@1511: 
Chris@1511:     QString queryUnits;
Chris@1511:     queryUnits = getScaleUnits();
Chris@1511: 
Chris@1511:     if (m_verticalScale == AutoAlignScale) {
Chris@1511: 
Chris@1511:         if (!v->getValueExtents(queryUnits, min, max, log)) {
Chris@1511: 
Chris@1518:             min = model->getValueMinimum();
Chris@1518:             max = model->getValueMaximum();
Chris@1511: 
Chris@1518: //            cerr << "BoxLayer[" << this << "]::getScaleExtents: min = " << min << ", max = " << max << ", log = " << log << endl;
Chris@1511: 
Chris@1511:         } else if (log) {
Chris@1511: 
Chris@1511:             LogRange::mapRange(min, max);
Chris@1511: 
Chris@1518: //            cerr << "BoxLayer[" << this << "]::getScaleExtents: min = " << min << ", max = " << max << ", log = " << log << endl;
Chris@1511: 
Chris@1511:         }
Chris@1511: 
Chris@1511:     } else {
Chris@1511: 
Chris@1518:         min = model->getValueMinimum();
Chris@1518:         max = model->getValueMaximum();
Chris@1511: 
Chris@1511:         if (m_verticalScale == LogScale) {
Chris@1511:             LogRange::mapRange(min, max);
Chris@1511:             log = true;
Chris@1511:         }
Chris@1511:     }
Chris@1511: 
Chris@1511:     if (max == min) max = min + 1.0;
Chris@1511: }
Chris@1511: 
Chris@1511: int
Chris@1518: BoxLayer::getYForValue(LayerGeometryProvider *v, double val) const
Chris@1511: {
Chris@1511:     double min = 0.0, max = 0.0;
Chris@1511:     bool logarithmic = false;
Chris@1511:     int h = v->getPaintHeight();
Chris@1511: 
Chris@1511:     getScaleExtents(v, min, max, logarithmic);
Chris@1511: 
Chris@1518: //    cerr << "BoxLayer[" << this << "]::getYForValue(" << val << "): min = " << min << ", max = " << max << ", log = " << logarithmic << endl;
Chris@1511: //    cerr << "h = " << h << ", margin = " << margin << endl;
Chris@1511: 
Chris@1511:     if (logarithmic) {
Chris@1511:         val = LogRange::map(val);
Chris@1511:     }
Chris@1511: 
Chris@1511:     return int(h - ((val - min) * h) / (max - min));
Chris@1511: }
Chris@1511: 
Chris@1511: double
Chris@1518: BoxLayer::getValueForY(LayerGeometryProvider *v, int y) const
Chris@1511: {
Chris@1511:     double min = 0.0, max = 0.0;
Chris@1511:     bool logarithmic = false;
Chris@1511:     int h = v->getPaintHeight();
Chris@1511: 
Chris@1511:     getScaleExtents(v, min, max, logarithmic);
Chris@1511: 
Chris@1511:     double val = min + (double(h - y) * double(max - min)) / h;
Chris@1511: 
Chris@1511:     if (logarithmic) {
Chris@1511:         val = pow(10.0, val);
Chris@1511:     }
Chris@1511: 
Chris@1511:     return val;
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::paint(LayerGeometryProvider *v, QPainter &paint,
Chris@1511:                              QRect rect) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || !model->isOK()) return;
Chris@1511: 
Chris@1511:     sv_samplerate_t sampleRate = model->getSampleRate();
Chris@1511:     if (!sampleRate) return;
Chris@1511: 
Chris@1518: //    Profiler profiler("BoxLayer::paint", true);
Chris@1511: 
Chris@1511:     int x0 = rect.left() - 40, x1 = rect.right();
Chris@1511: 
Chris@1511:     sv_frame_t wholeFrame0 = v->getFrameForX(0);
Chris@1511:     sv_frame_t wholeFrame1 = v->getFrameForX(v->getPaintWidth());
Chris@1511: 
Chris@1511:     EventVector points(model->getEventsSpanning(wholeFrame0,
Chris@1511:                                                 wholeFrame1 - wholeFrame0));
Chris@1511:     if (points.empty()) return;
Chris@1511: 
Chris@1511:     paint.setPen(getBaseQColor());
Chris@1511: 
Chris@1518: //    SVDEBUG << "BoxLayer::paint: resolution is "
Chris@1511: //              << model->getResolution() << " frames" << endl;
Chris@1511: 
Chris@1518:     double min = model->getValueMinimum();
Chris@1518:     double max = model->getValueMaximum();
Chris@1511:     if (max == min) max = min + 1.0;
Chris@1511: 
Chris@1511:     QPoint localPos;
Chris@1511:     Event illuminatePoint(0);
Chris@1511:     bool shouldIlluminate = false;
Chris@1511: 
Chris@1511:     if (v->shouldIlluminateLocalFeatures(this, localPos)) {
Chris@1511:         shouldIlluminate = getPointToDrag(v, localPos.x(), localPos.y(),
Chris@1511:                                           illuminatePoint);
Chris@1511:     }
Chris@1511: 
Chris@1511:     paint.save();
Chris@1511:     paint.setRenderHint(QPainter::Antialiasing, false);
Chris@1511: 
Chris@1514:     QFontMetrics fm = paint.fontMetrics();
Chris@1514:         
Chris@1511:     for (EventVector::const_iterator i = points.begin();
Chris@1511:          i != points.end(); ++i) {
Chris@1511: 
Chris@1511:         const Event &p(*i);
Chris@1511: 
Chris@1511:         int x = v->getXForFrame(p.getFrame());
Chris@1511:         int w = v->getXForFrame(p.getFrame() + p.getDuration()) - x;
Chris@1511:         int y = getYForValue(v, p.getValue());
Chris@1514:         int h = getYForValue(v, p.getValue() + fabsf(p.getLevel())) - y;
Chris@1511:         int ex = x + w;
Chris@1514:         int gap = v->scalePixelSize(2);
Chris@1511: 
Chris@1511:         EventVector::const_iterator j = i;
Chris@1511:         ++j;
Chris@1511: 
Chris@1511:         if (j != points.end()) {
Chris@1511:             const Event &q(*j);
Chris@1511:             int nx = v->getXForFrame(q.getFrame());
Chris@1511:             if (nx < ex) ex = nx;
Chris@1511:         }
Chris@1511: 
Chris@1511:         if (w < 1) w = 1;
Chris@1511: 
Chris@1511:         paint.setPen(getBaseQColor());
Chris@1514:         paint.setBrush(Qt::NoBrush);
Chris@1511: 
Chris@1514:         if ((shouldIlluminate && illuminatePoint == p) ||
Chris@1514:             (m_editing && m_editingPoint == p)) {
Chris@1511: 
Chris@1514:             paint.setPen(QPen(getBaseQColor(), v->scalePixelSize(2)));
Chris@1511:                 
Chris@1511:             // Qt 5.13 deprecates QFontMetrics::width(), but its suggested
Chris@1511:             // replacement (horizontalAdvance) was only added in Qt 5.11
Chris@1511:             // which is too new for us
Chris@1511: #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
Chris@1511: 
Chris@1514:             if (abs(h) > 2 * fm.height()) {
Chris@1514:             
Chris@1514:                 QString y0label = QString("%1 %2")
Chris@1514:                     .arg(p.getValue())
Chris@1514:                     .arg(getScaleUnits());
Chris@1514: 
Chris@1514:                 QString y1label = QString("%1 %2")
Chris@1514:                     .arg(p.getValue() + fabsf(p.getLevel()))
Chris@1514:                     .arg(getScaleUnits());
Chris@1514: 
Chris@1514:                 PaintAssistant::drawVisibleText
Chris@1514:                     (v, paint, 
Chris@1514:                      x - fm.width(y0label) - gap,
Chris@1514:                      y - fm.descent(), 
Chris@1514:                      y0label, PaintAssistant::OutlinedText);
Chris@1514: 
Chris@1514:                 PaintAssistant::drawVisibleText
Chris@1514:                     (v, paint, 
Chris@1514:                      x - fm.width(y1label) - gap,
Chris@1514:                      y + h + fm.ascent(), 
Chris@1514:                      y1label, PaintAssistant::OutlinedText);
Chris@1514: 
Chris@1514:             } else {
Chris@1514:             
Chris@1514:                 QString ylabel = QString("%1 %2 - %3 %4")
Chris@1514:                     .arg(p.getValue())
Chris@1514:                     .arg(getScaleUnits())
Chris@1514:                     .arg(p.getValue() + fabsf(p.getLevel()))
Chris@1514:                     .arg(getScaleUnits());
Chris@1514: 
Chris@1514:                 PaintAssistant::drawVisibleText
Chris@1514:                     (v, paint, 
Chris@1514:                      x - fm.width(ylabel) - gap,
Chris@1514:                      y - fm.descent(), 
Chris@1514:                      ylabel, PaintAssistant::OutlinedText);
Chris@1514:             }
Chris@1514:             
Chris@1514:             QString t0label = RealTime::frame2RealTime
Chris@1514:                 (p.getFrame(), model->getSampleRate()).toText(true).c_str();
Chris@1514: 
Chris@1514:             QString t1label = RealTime::frame2RealTime
Chris@1514:                 (p.getFrame() + p.getDuration(), model->getSampleRate())
Chris@1514:                 .toText(true).c_str();
Chris@1514: 
Chris@1511:             PaintAssistant::drawVisibleText
Chris@1514:                 (v, paint, x, y + fm.ascent() + gap,
Chris@1514:                  t0label, PaintAssistant::OutlinedText);
Chris@1514: 
Chris@1514:             if (w > fm.width(t0label) + fm.width(t1label) + gap * 3) {
Chris@1514: 
Chris@1514:                 PaintAssistant::drawVisibleText
Chris@1514:                     (v, paint,
Chris@1514:                      x + w - fm.width(t1label),
Chris@1514:                      y + fm.ascent() + gap,
Chris@1514:                      t1label, PaintAssistant::OutlinedText);
Chris@1514: 
Chris@1514:             } else {
Chris@1514: 
Chris@1514:                 PaintAssistant::drawVisibleText
Chris@1514:                     (v, paint,
Chris@1514:                      x + w - fm.width(t1label),
Chris@1514:                      y + fm.ascent() + fm.height() + gap,
Chris@1514:                      t1label, PaintAssistant::OutlinedText);
Chris@1514:             }                
Chris@1511:         }
Chris@1511: 
Chris@1511:         paint.drawRect(x, y, w, h);
Chris@1511:     }
Chris@1511: 
Chris@1511:     for (EventVector::const_iterator i = points.begin();
Chris@1511:          i != points.end(); ++i) {
Chris@1511: 
Chris@1511:         const Event &p(*i);
Chris@1511: 
Chris@1514:         QString label = p.getLabel();
Chris@1514:         if (label == "") continue;
Chris@1514: 
Chris@1514:         if (shouldIlluminate && illuminatePoint == p) {
Chris@1514:             continue; // already handled this in illumination special case
Chris@1514:         }
Chris@1514:         
Chris@1511:         int x = v->getXForFrame(p.getFrame());
Chris@1511:         int w = v->getXForFrame(p.getFrame() + p.getDuration()) - x;
Chris@1511:         int y = getYForValue(v, p.getValue());
Chris@1511: 
Chris@1514:         int labelWidth = fm.width(label);
Chris@1511: 
Chris@1511:         int gap = v->scalePixelSize(2);
Chris@1511: 
Chris@1511:         if (x + w < x0 || x - labelWidth - gap > x1) {
Chris@1511:             continue;
Chris@1511:         }
Chris@1511:         
Chris@1514:         int labelX, labelY;
Chris@1511: 
Chris@1514:         labelX = x - labelWidth - gap;
Chris@1514:         labelY = y - fm.descent();
Chris@1511: 
Chris@1514:         PaintAssistant::drawVisibleText(v, paint, labelX, labelY, label,
Chris@1514:                                         PaintAssistant::OutlinedText);
Chris@1511:     }
Chris@1511: 
Chris@1511:     paint.restore();
Chris@1511: }
Chris@1511: 
Chris@1511: int
Chris@1518: BoxLayer::getVerticalScaleWidth(LayerGeometryProvider *v,
Chris@1511:                                              bool, QPainter &paint) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || m_verticalScale == AutoAlignScale) {
Chris@1511:         return 0;
Chris@1511:     } else {
Chris@1511:         if (m_verticalScale == LogScale) {
Chris@1511:             return LogNumericalScale().getWidth(v, paint);
Chris@1511:         } else {
Chris@1511:             return LinearNumericalScale().getWidth(v, paint);
Chris@1511:         }
Chris@1511:     }
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::paintVerticalScale(LayerGeometryProvider *v,
Chris@1511:                                           bool, QPainter &paint, QRect) const
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || model->isEmpty()) return;
Chris@1511: 
Chris@1511:     QString unit;
Chris@1511:     double min, max;
Chris@1511:     bool logarithmic;
Chris@1511: 
Chris@1511:     int w = getVerticalScaleWidth(v, false, paint);
Chris@1511: 
Chris@1511:     getScaleExtents(v, min, max, logarithmic);
Chris@1511: 
Chris@1511:     if (logarithmic) {
Chris@1511:         LogNumericalScale().paintVertical(v, this, paint, 0, min, max);
Chris@1511:     } else {
Chris@1511:         LinearNumericalScale().paintVertical(v, this, paint, 0, min, max);
Chris@1511:     }
Chris@1511:         
Chris@1511:     if (getScaleUnits() != "") {
Chris@1511:         int mw = w - 5;
Chris@1511:         paint.drawText(5,
Chris@1511:                        5 + paint.fontMetrics().ascent(),
Chris@1511:                        TextAbbrev::abbreviate(getScaleUnits(),
Chris@1511:                                               paint.fontMetrics(),
Chris@1511:                                               mw));
Chris@1511:     }
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::drawStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return;
Chris@1511: 
Chris@1511:     sv_frame_t frame = v->getFrameForX(e->x());
Chris@1511:     if (frame < 0) frame = 0;
Chris@1511:     frame = frame / model->getResolution() * model->getResolution();
Chris@1511: 
Chris@1518:     double value = getValueForY(v, e->y());
Chris@1511: 
Chris@1518:     m_editingPoint = Event(frame, float(value), 0, "");
Chris@1511:     m_originalPoint = m_editingPoint;
Chris@1511: 
Chris@1511:     if (m_editingCommand) finish(m_editingCommand);
Chris@1511:     m_editingCommand = new ChangeEventsCommand(m_model.untyped,
Chris@1518:                                                tr("Draw Box"));
Chris@1511:     m_editingCommand->add(m_editingPoint);
Chris@1511: 
Chris@1511:     m_editing = true;
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::drawDrag(LayerGeometryProvider *v, QMouseEvent *e)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || !m_editing) return;
Chris@1511: 
Chris@1514:     sv_frame_t dragFrame = v->getFrameForX(e->x());
Chris@1514:     if (dragFrame < 0) dragFrame = 0;
Chris@1514:     dragFrame = dragFrame / model->getResolution() * model->getResolution();
Chris@1511: 
Chris@1514:     sv_frame_t eventFrame = m_originalPoint.getFrame();
Chris@1514:     sv_frame_t eventDuration = dragFrame - eventFrame;
Chris@1514:     if (eventDuration < 0) {
Chris@1514:         eventFrame = eventFrame + eventDuration;
Chris@1514:         eventDuration = -eventDuration;
Chris@1514:     } else if (eventDuration == 0) {
Chris@1514:         eventDuration = model->getResolution();
Chris@1514:     }
Chris@1511: 
Chris@1518:     double dragValue = getValueForY(v, e->y());
Chris@1514: 
Chris@1518:     double eventValue = m_originalPoint.getValue();
Chris@1518:     double eventFreqDiff = dragValue - eventValue;
Chris@1514:     if (eventFreqDiff < 0) {
Chris@1518:         eventValue = eventValue + eventFreqDiff;
Chris@1514:         eventFreqDiff = -eventFreqDiff;
Chris@1511:     }
Chris@1511: 
Chris@1511:     m_editingCommand->remove(m_editingPoint);
Chris@1511:     m_editingPoint = m_editingPoint
Chris@1514:         .withFrame(eventFrame)
Chris@1514:         .withDuration(eventDuration)
Chris@1518:         .withValue(float(eventValue))
Chris@1514:         .withLevel(float(eventFreqDiff));
Chris@1511:     m_editingCommand->add(m_editingPoint);
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::drawEnd(LayerGeometryProvider *, QMouseEvent *)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || !m_editing) return;
Chris@1511:     finish(m_editingCommand);
Chris@1511:     m_editingCommand = nullptr;
Chris@1511:     m_editing = false;
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::eraseStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return;
Chris@1511: 
Chris@1511:     if (!getPointToDrag(v, e->x(), e->y(), m_editingPoint)) return;
Chris@1511: 
Chris@1511:     if (m_editingCommand) {
Chris@1511:         finish(m_editingCommand);
Chris@1511:         m_editingCommand = nullptr;
Chris@1511:     }
Chris@1511: 
Chris@1511:     m_editing = true;
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::eraseDrag(LayerGeometryProvider *, QMouseEvent *)
Chris@1511: {
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::eraseEnd(LayerGeometryProvider *v, QMouseEvent *e)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || !m_editing) return;
Chris@1511: 
Chris@1511:     m_editing = false;
Chris@1511: 
Chris@1511:     Event p(0);
Chris@1511:     if (!getPointToDrag(v, e->x(), e->y(), p)) return;
Chris@1511:     if (p.getFrame() != m_editingPoint.getFrame() ||
Chris@1511:         p.getValue() != m_editingPoint.getValue()) return;
Chris@1511: 
Chris@1511:     m_editingCommand = new ChangeEventsCommand
Chris@1518:         (m_model.untyped, tr("Erase Box"));
Chris@1511: 
Chris@1511:     m_editingCommand->remove(m_editingPoint);
Chris@1511: 
Chris@1511:     finish(m_editingCommand);
Chris@1511:     m_editingCommand = nullptr;
Chris@1511:     m_editing = false;
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::editStart(LayerGeometryProvider *v, QMouseEvent *e)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return;
Chris@1511: 
Chris@1511:     if (!getPointToDrag(v, e->x(), e->y(), m_editingPoint)) {
Chris@1511:         return;
Chris@1511:     }
Chris@1511: 
Chris@1511:     m_dragPointX = v->getXForFrame(m_editingPoint.getFrame());
Chris@1511:     m_dragPointY = getYForValue(v, m_editingPoint.getValue());
Chris@1511: 
Chris@1511:     m_originalPoint = m_editingPoint;
Chris@1511: 
Chris@1511:     if (m_editingCommand) {
Chris@1511:         finish(m_editingCommand);
Chris@1511:         m_editingCommand = nullptr;
Chris@1511:     }
Chris@1511: 
Chris@1511:     m_editing = true;
Chris@1511:     m_dragStartX = e->x();
Chris@1511:     m_dragStartY = e->y();
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::editDrag(LayerGeometryProvider *v, QMouseEvent *e)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || !m_editing) return;
Chris@1511: 
Chris@1511:     int xdist = e->x() - m_dragStartX;
Chris@1511:     int ydist = e->y() - m_dragStartY;
Chris@1511:     int newx = m_dragPointX + xdist;
Chris@1511:     int newy = m_dragPointY + ydist;
Chris@1511: 
Chris@1511:     sv_frame_t frame = v->getFrameForX(newx);
Chris@1511:     if (frame < 0) frame = 0;
Chris@1511:     frame = frame / model->getResolution() * model->getResolution();
Chris@1511: 
Chris@1511:     double value = getValueForY(v, newy);
Chris@1511: 
Chris@1511:     if (!m_editingCommand) {
Chris@1511:         m_editingCommand = new ChangeEventsCommand
Chris@1511:             (m_model.untyped,
Chris@1518:              tr("Drag Box"));
Chris@1511:     }
Chris@1511: 
Chris@1511:     m_editingCommand->remove(m_editingPoint);
Chris@1511:     m_editingPoint = m_editingPoint
Chris@1511:         .withFrame(frame)
Chris@1511:         .withValue(float(value));
Chris@1511:     m_editingCommand->add(m_editingPoint);
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::editEnd(LayerGeometryProvider *, QMouseEvent *)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || !m_editing) return;
Chris@1511: 
Chris@1511:     if (m_editingCommand) {
Chris@1511: 
Chris@1511:         QString newName = m_editingCommand->getName();
Chris@1511: 
Chris@1511:         if (m_editingPoint.getFrame() != m_originalPoint.getFrame()) {
Chris@1511:             if (m_editingPoint.getValue() != m_originalPoint.getValue()) {
Chris@1518:                 newName = tr("Edit Box");
Chris@1511:             } else {
Chris@1518:                 newName = tr("Relocate Box");
Chris@1511:             }
Chris@1511:         } else {
Chris@1511:             newName = tr("Change Point Value");
Chris@1511:         }
Chris@1511: 
Chris@1511:         m_editingCommand->setName(newName);
Chris@1511:         finish(m_editingCommand);
Chris@1511:     }
Chris@1511: 
Chris@1511:     m_editingCommand = nullptr;
Chris@1511:     m_editing = false;
Chris@1511: }
Chris@1511: 
Chris@1511: bool
Chris@1518: BoxLayer::editOpen(LayerGeometryProvider *v, QMouseEvent *e)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return false;
Chris@1511: 
Chris@1511:     Event region(0);
Chris@1511:     if (!getPointToDrag(v, e->x(), e->y(), region)) return false;
Chris@1511: 
Chris@1515:     ItemEditDialog::LabelOptions labelOptions;
Chris@1518:     labelOptions.valueLabel = tr("Minimum Value");
Chris@1518:     labelOptions.levelLabel = tr("Value Extent");
Chris@1515:     labelOptions.valueUnits = getScaleUnits();
Chris@1515:     labelOptions.levelUnits = getScaleUnits();
Chris@1515:     
Chris@1511:     ItemEditDialog *dialog = new ItemEditDialog
Chris@1511:         (model->getSampleRate(),
Chris@1511:          ItemEditDialog::ShowTime |
Chris@1511:          ItemEditDialog::ShowDuration |
Chris@1511:          ItemEditDialog::ShowValue |
Chris@1515:          ItemEditDialog::ShowLevel |
Chris@1511:          ItemEditDialog::ShowText,
Chris@1515:          labelOptions);
Chris@1511: 
Chris@1511:     dialog->setFrameTime(region.getFrame());
Chris@1511:     dialog->setValue(region.getValue());
Chris@1515:     dialog->setLevel(region.getLevel());
Chris@1511:     dialog->setFrameDuration(region.getDuration());
Chris@1511:     dialog->setText(region.getLabel());
Chris@1511: 
Chris@1511:     if (dialog->exec() == QDialog::Accepted) {
Chris@1511: 
Chris@1518:         Event newBox = region
Chris@1511:             .withFrame(dialog->getFrameTime())
Chris@1511:             .withValue(dialog->getValue())
Chris@1515:             .withLevel(dialog->getLevel())
Chris@1511:             .withDuration(dialog->getFrameDuration())
Chris@1511:             .withLabel(dialog->getText());
Chris@1511:         
Chris@1511:         ChangeEventsCommand *command = new ChangeEventsCommand
Chris@1518:             (m_model.untyped, tr("Edit Box"));
Chris@1511:         command->remove(region);
Chris@1518:         command->add(newBox);
Chris@1511:         finish(command);
Chris@1511:     }
Chris@1511: 
Chris@1511:     delete dialog;
Chris@1511:     return true;
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::moveSelection(Selection s, sv_frame_t newStartFrame)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return;
Chris@1511: 
Chris@1511:     ChangeEventsCommand *command =
Chris@1511:         new ChangeEventsCommand(m_model.untyped, tr("Drag Selection"));
Chris@1511: 
Chris@1511:     EventVector points =
Chris@1511:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@1511: 
Chris@1511:     for (EventVector::iterator i = points.begin();
Chris@1511:          i != points.end(); ++i) {
Chris@1511: 
Chris@1511:         Event newPoint = (*i)
Chris@1511:             .withFrame(i->getFrame() + newStartFrame - s.getStartFrame());
Chris@1511:         command->remove(*i);
Chris@1511:         command->add(newPoint);
Chris@1511:     }
Chris@1511: 
Chris@1511:     finish(command);
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::resizeSelection(Selection s, Selection newSize)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model || !s.getDuration()) return;
Chris@1511: 
Chris@1511:     ChangeEventsCommand *command =
Chris@1511:         new ChangeEventsCommand(m_model.untyped, tr("Resize Selection"));
Chris@1511: 
Chris@1511:     EventVector points =
Chris@1511:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@1511: 
Chris@1511:     double ratio = double(newSize.getDuration()) / double(s.getDuration());
Chris@1511:     double oldStart = double(s.getStartFrame());
Chris@1511:     double newStart = double(newSize.getStartFrame());
Chris@1511:     
Chris@1511:     for (Event p: points) {
Chris@1511: 
Chris@1511:         double newFrame = (double(p.getFrame()) - oldStart) * ratio + newStart;
Chris@1511:         double newDuration = double(p.getDuration()) * ratio;
Chris@1511: 
Chris@1511:         Event newPoint = p
Chris@1511:             .withFrame(lrint(newFrame))
Chris@1511:             .withDuration(lrint(newDuration));
Chris@1511:         command->remove(p);
Chris@1511:         command->add(newPoint);
Chris@1511:     }
Chris@1511: 
Chris@1511:     finish(command);
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::deleteSelection(Selection s)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return;
Chris@1511: 
Chris@1511:     ChangeEventsCommand *command =
Chris@1511:         new ChangeEventsCommand(m_model.untyped, tr("Delete Selected Points"));
Chris@1511: 
Chris@1511:     EventVector points =
Chris@1511:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@1511: 
Chris@1511:     for (EventVector::iterator i = points.begin();
Chris@1511:          i != points.end(); ++i) {
Chris@1511: 
Chris@1511:         if (s.contains(i->getFrame())) {
Chris@1511:             command->remove(*i);
Chris@1511:         }
Chris@1511:     }
Chris@1511: 
Chris@1511:     finish(command);
Chris@1511: }    
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::copy(LayerGeometryProvider *v, Selection s, Clipboard &to)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return;
Chris@1511: 
Chris@1511:     EventVector points =
Chris@1511:         model->getEventsStartingWithin(s.getStartFrame(), s.getDuration());
Chris@1511: 
Chris@1511:     for (Event p: points) {
Chris@1511:         to.addPoint(p.withReferenceFrame(alignToReference(v, p.getFrame())));
Chris@1511:     }
Chris@1511: }
Chris@1511: 
Chris@1511: bool
Chris@1533: BoxLayer::paste(LayerGeometryProvider *v, const Clipboard &from,
Chris@1533:                 sv_frame_t /* frameOffset */, bool /* interactive */)
Chris@1511: {
Chris@1518:     auto model = ModelById::getAs<BoxModel>(m_model);
Chris@1511:     if (!model) return false;
Chris@1511: 
Chris@1511:     const EventVector &points = from.getPoints();
Chris@1511: 
Chris@1511:     bool realign = false;
Chris@1511: 
Chris@1511:     if (clipboardHasDifferentAlignment(v, from)) {
Chris@1511: 
Chris@1511:         QMessageBox::StandardButton button =
Chris@1511:             QMessageBox::question(v->getView(), tr("Re-align pasted items?"),
Chris@1511:                                   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@1511:                                   QMessageBox::Yes | QMessageBox::No | QMessageBox::Cancel,
Chris@1511:                                   QMessageBox::Yes);
Chris@1511: 
Chris@1511:         if (button == QMessageBox::Cancel) {
Chris@1511:             return false;
Chris@1511:         }
Chris@1511: 
Chris@1511:         if (button == QMessageBox::Yes) {
Chris@1511:             realign = true;
Chris@1511:         }
Chris@1511:     }
Chris@1511: 
Chris@1511:     ChangeEventsCommand *command =
Chris@1511:         new ChangeEventsCommand(m_model.untyped, tr("Paste"));
Chris@1511: 
Chris@1511:     for (EventVector::const_iterator i = points.begin();
Chris@1511:          i != points.end(); ++i) {
Chris@1511:         
Chris@1511:         sv_frame_t frame = 0;
Chris@1511: 
Chris@1511:         if (!realign) {
Chris@1511:             
Chris@1511:             frame = i->getFrame();
Chris@1511: 
Chris@1511:         } else {
Chris@1511: 
Chris@1511:             if (i->hasReferenceFrame()) {
Chris@1511:                 frame = i->getReferenceFrame();
Chris@1511:                 frame = alignFromReference(v, frame);
Chris@1511:             } else {
Chris@1511:                 frame = i->getFrame();
Chris@1511:             }
Chris@1511:         }
Chris@1511: 
Chris@1533:         Event p = i->withFrame(frame);
Chris@1533:         
Chris@1511:         Event newPoint = p;
Chris@1511:         if (!p.hasValue()) {
Chris@1518:             newPoint = newPoint.withValue((model->getValueMinimum() +
Chris@1518:                                            model->getValueMaximum()) / 2);
Chris@1511:         }
Chris@1511:         if (!p.hasDuration()) {
Chris@1511:             sv_frame_t nextFrame = frame;
Chris@1511:             EventVector::const_iterator j = i;
Chris@1511:             for (; j != points.end(); ++j) {
Chris@1511:                 if (j != i) break;
Chris@1511:             }
Chris@1511:             if (j != points.end()) {
Chris@1511:                 nextFrame = j->getFrame();
Chris@1511:             }
Chris@1511:             if (nextFrame == frame) {
Chris@1511:                 newPoint = newPoint.withDuration(model->getResolution());
Chris@1511:             } else {
Chris@1511:                 newPoint = newPoint.withDuration(nextFrame - frame);
Chris@1511:             }
Chris@1511:         }
Chris@1511:         
Chris@1511:         command->add(newPoint);
Chris@1511:     }
Chris@1511: 
Chris@1511:     finish(command);
Chris@1511:     return true;
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::toXml(QTextStream &stream,
Chris@1515:                              QString indent, QString extraAttributes) const
Chris@1511: {
Chris@1511:     QString s;
Chris@1511: 
Chris@1515:     s += QString("verticalScale=\"%1\" ").arg(m_verticalScale);
Chris@1511:     
Chris@1511:     SingleColourLayer::toXml(stream, indent, extraAttributes + " " + s);
Chris@1511: }
Chris@1511: 
Chris@1511: void
Chris@1518: BoxLayer::setProperties(const QXmlAttributes &attributes)
Chris@1511: {
Chris@1511:     SingleColourLayer::setProperties(attributes);
Chris@1511: 
Chris@1511:     bool ok;
Chris@1511:     VerticalScale scale = (VerticalScale)
Chris@1511:         attributes.value("verticalScale").toInt(&ok);
Chris@1511:     if (ok) setVerticalScale(scale);
Chris@1511: }
Chris@1511: 
Chris@1511: