Mercurial > hg > svgui
view layer/TimeInstantLayer.cpp @ 204:942cfa1df966
* Fix occasional misplacement of zoom wheels
* Disable tearoff in context menu (it always got activated when you just clicked
and released)
author | Chris Cannam |
---|---|
date | Mon, 26 Feb 2007 14:18:21 +0000 |
parents | 33929e0c3c6b |
children | 6969f21da18a |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #include "TimeInstantLayer.h" #include "data/model/Model.h" #include "base/RealTime.h" #include "view/View.h" #include "base/Profiler.h" #include "base/Clipboard.h" #include "data/model/SparseOneDimensionalModel.h" #include "widgets/ItemEditDialog.h" #include <QPainter> #include <QMouseEvent> #include <iostream> #include <cmath> TimeInstantLayer::TimeInstantLayer() : Layer(), m_model(0), m_editing(false), m_editingPoint(0, tr("New Point")), m_editingCommand(0), m_colour(QColor(200, 50, 255)), m_plotStyle(PlotInstants) { } void TimeInstantLayer::setModel(SparseOneDimensionalModel *model) { if (m_model == model) return; m_model = model; connect(m_model, SIGNAL(modelChanged()), this, SIGNAL(modelChanged())); connect(m_model, SIGNAL(modelChanged(size_t, size_t)), this, SIGNAL(modelChanged(size_t, size_t))); connect(m_model, SIGNAL(completionChanged()), this, SIGNAL(modelCompletionChanged())); std::cerr << "TimeInstantLayer::setModel(" << model << ")" << std::endl; emit modelReplaced(); } Layer::PropertyList TimeInstantLayer::getProperties() const { PropertyList list; list.push_back("Colour"); list.push_back("Plot Type"); return list; } QString TimeInstantLayer::getPropertyLabel(const PropertyName &name) const { if (name == "Colour") return tr("Colour"); if (name == "Plot Type") return tr("Plot Type"); return ""; } Layer::PropertyType TimeInstantLayer::getPropertyType(const PropertyName &) const { return ValueProperty; } int TimeInstantLayer::getPropertyRangeAndValue(const PropertyName &name, int *min, int *max) const { int deft = 0; if (name == "Colour") { if (min) *min = 0; if (max) *max = 5; if (m_colour == Qt::black) deft = 0; else if (m_colour == Qt::darkRed) deft = 1; else if (m_colour == Qt::darkBlue) deft = 2; else if (m_colour == Qt::darkGreen) deft = 3; else if (m_colour == QColor(200, 50, 255)) deft = 4; else if (m_colour == QColor(255, 150, 50)) deft = 5; } else if (name == "Plot Type") { if (min) *min = 0; if (max) *max = 1; deft = int(m_plotStyle); } else { deft = Layer::getPropertyRangeAndValue(name, min, max); } return deft; } QString TimeInstantLayer::getPropertyValueLabel(const PropertyName &name, int value) const { if (name == "Colour") { switch (value) { default: case 0: return tr("Black"); case 1: return tr("Red"); case 2: return tr("Blue"); case 3: return tr("Green"); case 4: return tr("Purple"); case 5: return tr("Orange"); } } else if (name == "Plot Type") { switch (value) { default: case 0: return tr("Instants"); case 1: return tr("Segmentation"); } } return tr("<unknown>"); } void TimeInstantLayer::setProperty(const PropertyName &name, int value) { if (name == "Colour") { switch (value) { default: case 0: setBaseColour(Qt::black); break; case 1: setBaseColour(Qt::darkRed); break; case 2: setBaseColour(Qt::darkBlue); break; case 3: setBaseColour(Qt::darkGreen); break; case 4: setBaseColour(QColor(200, 50, 255)); break; case 5: setBaseColour(QColor(255, 150, 50)); break; } } else if (name == "Plot Type") { setPlotStyle(PlotStyle(value)); } } void TimeInstantLayer::setBaseColour(QColor colour) { if (m_colour == colour) return; m_colour = colour; emit layerParametersChanged(); } void TimeInstantLayer::setPlotStyle(PlotStyle style) { if (m_plotStyle == style) return; m_plotStyle = style; emit layerParametersChanged(); } bool TimeInstantLayer::isLayerScrollable(const View *v) const { QPoint discard; return !v->shouldIlluminateLocalFeatures(this, discard); } SparseOneDimensionalModel::PointList TimeInstantLayer::getLocalPoints(View *v, int x) const { // Return a set of points that all have the same frame number, the // nearest to the given x coordinate, and that are within a // certain fuzz distance of that x coordinate. if (!m_model) return SparseOneDimensionalModel::PointList(); long frame = v->getFrameForX(x); SparseOneDimensionalModel::PointList onPoints = m_model->getPoints(frame); if (!onPoints.empty()) { return onPoints; } SparseOneDimensionalModel::PointList prevPoints = m_model->getPreviousPoints(frame); SparseOneDimensionalModel::PointList nextPoints = m_model->getNextPoints(frame); SparseOneDimensionalModel::PointList usePoints = prevPoints; if (prevPoints.empty()) { usePoints = nextPoints; } else if (prevPoints.begin()->frame < v->getStartFrame() && !(nextPoints.begin()->frame > v->getEndFrame())) { usePoints = nextPoints; } else if (nextPoints.begin()->frame - frame < frame - prevPoints.begin()->frame) { usePoints = nextPoints; } if (!usePoints.empty()) { int fuzz = 2; int px = v->getXForFrame(usePoints.begin()->frame); if ((px > x && px - x > fuzz) || (px < x && x - px > fuzz + 1)) { usePoints.clear(); } } return usePoints; } QString TimeInstantLayer::getFeatureDescription(View *v, QPoint &pos) const { int x = pos.x(); if (!m_model || !m_model->getSampleRate()) return ""; SparseOneDimensionalModel::PointList points = getLocalPoints(v, x); if (points.empty()) { if (!m_model->isReady()) { return tr("In progress"); } else { return tr("No local points"); } } long useFrame = points.begin()->frame; RealTime rt = RealTime::frame2RealTime(useFrame, m_model->getSampleRate()); QString text; if (points.begin()->label == "") { text = QString(tr("Time:\t%1\nNo label")) .arg(rt.toText(true).c_str()); } else { text = QString(tr("Time:\t%1\nLabel:\t%2")) .arg(rt.toText(true).c_str()) .arg(points.begin()->label); } pos = QPoint(v->getXForFrame(useFrame), pos.y()); return text; } bool TimeInstantLayer::snapToFeatureFrame(View *v, int &frame, size_t &resolution, SnapType snap) const { if (!m_model) { return Layer::snapToFeatureFrame(v, frame, resolution, snap); } resolution = m_model->getResolution(); SparseOneDimensionalModel::PointList points; if (snap == SnapNeighbouring) { points = getLocalPoints(v, v->getXForFrame(frame)); if (points.empty()) return false; frame = points.begin()->frame; return true; } points = m_model->getPoints(frame, frame); int snapped = frame; bool found = false; for (SparseOneDimensionalModel::PointList::const_iterator i = points.begin(); i != points.end(); ++i) { if (snap == SnapRight) { if (i->frame >= frame) { snapped = i->frame; found = true; break; } } else if (snap == SnapLeft) { if (i->frame <= frame) { snapped = i->frame; found = true; // don't break, as the next may be better } else { break; } } else { // nearest SparseOneDimensionalModel::PointList::const_iterator j = i; ++j; if (j == points.end()) { snapped = i->frame; found = true; break; } else if (j->frame >= frame) { if (j->frame - frame < frame - i->frame) { snapped = j->frame; } else { snapped = i->frame; } found = true; break; } } } frame = snapped; return found; } void TimeInstantLayer::paint(View *v, QPainter &paint, QRect rect) const { if (!m_model || !m_model->isOK()) return; // Profiler profiler("TimeInstantLayer::paint", true); int x0 = rect.left(), x1 = rect.right(); long frame0 = v->getFrameForX(x0); long frame1 = v->getFrameForX(x1); SparseOneDimensionalModel::PointList points(m_model->getPoints (frame0, frame1)); bool odd = false; if (m_plotStyle == PlotSegmentation && !points.empty()) { int index = m_model->getIndexOf(*points.begin()); odd = ((index % 2) == 1); } paint.setPen(m_colour); QColor brushColour(m_colour); brushColour.setAlpha(100); paint.setBrush(brushColour); QColor oddBrushColour(brushColour); if (m_plotStyle == PlotSegmentation) { if (m_colour == Qt::black) { oddBrushColour = Qt::gray; } else if (m_colour == Qt::darkRed) { oddBrushColour = Qt::red; } else if (m_colour == Qt::darkBlue) { oddBrushColour = Qt::blue; } else if (m_colour == Qt::darkGreen) { oddBrushColour = Qt::green; } else { oddBrushColour = oddBrushColour.light(150); } oddBrushColour.setAlpha(100); } // std::cerr << "TimeInstantLayer::paint: resolution is " // << m_model->getResolution() << " frames" << std::endl; QPoint localPos; long illuminateFrame = -1; if (v->shouldIlluminateLocalFeatures(this, localPos)) { SparseOneDimensionalModel::PointList localPoints = getLocalPoints(v, localPos.x()); if (!localPoints.empty()) illuminateFrame = localPoints.begin()->frame; } int prevX = -1; int textY = v->getTextLabelHeight(this, paint); for (SparseOneDimensionalModel::PointList::const_iterator i = points.begin(); i != points.end(); ++i) { const SparseOneDimensionalModel::Point &p(*i); SparseOneDimensionalModel::PointList::const_iterator j = i; ++j; int x = v->getXForFrame(p.frame); if (x == prevX && p.frame != illuminateFrame) continue; int iw = v->getXForFrame(p.frame + m_model->getResolution()) - x; if (iw < 2) { if (iw < 1) { iw = 2; if (j != points.end()) { int nx = v->getXForFrame(j->frame); if (nx < x + 3) iw = 1; } } else { iw = 2; } } if (p.frame == illuminateFrame) { paint.setPen(Qt::black); //!!! } else { paint.setPen(brushColour); } if (m_plotStyle == PlotInstants) { if (iw > 1) { paint.drawRect(x, 0, iw - 1, v->height() - 1); } else { paint.drawLine(x, 0, x, v->height() - 1); } } else { if (odd) paint.setBrush(oddBrushColour); else paint.setBrush(brushColour); int nx; if (j != points.end()) { const SparseOneDimensionalModel::Point &q(*j); nx = v->getXForFrame(q.frame); } else { nx = v->getXForFrame(m_model->getEndFrame()); } if (nx >= x) { if (illuminateFrame != p.frame && (nx < x + 5 || x >= v->width() - 1)) { paint.setPen(Qt::NoPen); } paint.drawRect(x, -1, nx - x, v->height() + 1); } odd = !odd; } paint.setPen(m_colour); if (p.label != "") { // only draw if there's enough room from here to the next point int lw = paint.fontMetrics().width(p.label); bool good = true; if (j != points.end()) { int nx = v->getXForFrame(j->frame); if (nx >= x && nx - x - iw - 3 <= lw) good = false; } if (good) { paint.drawText(x + iw + 2, textY, p.label); } } prevX = x; } } void TimeInstantLayer::drawStart(View *v, QMouseEvent *e) { std::cerr << "TimeInstantLayer::drawStart(" << e->x() << ")" << std::endl; if (!m_model) return; long frame = v->getFrameForX(e->x()); if (frame < 0) frame = 0; frame = frame / m_model->getResolution() * m_model->getResolution(); m_editingPoint = SparseOneDimensionalModel::Point(frame, tr("New Point")); if (m_editingCommand) m_editingCommand->finish(); m_editingCommand = new SparseOneDimensionalModel::EditCommand(m_model, tr("Draw Point")); m_editingCommand->addPoint(m_editingPoint); m_editing = true; } void TimeInstantLayer::drawDrag(View *v, QMouseEvent *e) { std::cerr << "TimeInstantLayer::drawDrag(" << e->x() << ")" << std::endl; if (!m_model || !m_editing) return; long frame = v->getFrameForX(e->x()); if (frame < 0) frame = 0; frame = frame / m_model->getResolution() * m_model->getResolution(); m_editingCommand->deletePoint(m_editingPoint); m_editingPoint.frame = frame; m_editingCommand->addPoint(m_editingPoint); } void TimeInstantLayer::drawEnd(View *v, QMouseEvent *e) { std::cerr << "TimeInstantLayer::drawEnd(" << e->x() << ")" << std::endl; if (!m_model || !m_editing) return; QString newName = tr("Add Point at %1 s") .arg(RealTime::frame2RealTime(m_editingPoint.frame, m_model->getSampleRate()) .toText(false).c_str()); m_editingCommand->setName(newName); m_editingCommand->finish(); m_editingCommand = 0; m_editing = false; } void TimeInstantLayer::editStart(View *v, QMouseEvent *e) { std::cerr << "TimeInstantLayer::editStart(" << e->x() << ")" << std::endl; if (!m_model) return; SparseOneDimensionalModel::PointList points = getLocalPoints(v, e->x()); if (points.empty()) return; m_editingPoint = *points.begin(); if (m_editingCommand) { m_editingCommand->finish(); m_editingCommand = 0; } m_editing = true; } void TimeInstantLayer::editDrag(View *v, QMouseEvent *e) { std::cerr << "TimeInstantLayer::editDrag(" << e->x() << ")" << std::endl; if (!m_model || !m_editing) return; long frame = v->getFrameForX(e->x()); if (frame < 0) frame = 0; frame = frame / m_model->getResolution() * m_model->getResolution(); if (!m_editingCommand) { m_editingCommand = new SparseOneDimensionalModel::EditCommand(m_model, tr("Drag Point")); } m_editingCommand->deletePoint(m_editingPoint); m_editingPoint.frame = frame; m_editingCommand->addPoint(m_editingPoint); } void TimeInstantLayer::editEnd(View *v, QMouseEvent *e) { std::cerr << "TimeInstantLayer::editEnd(" << e->x() << ")" << std::endl; if (!m_model || !m_editing) return; if (m_editingCommand) { QString newName = tr("Move Point to %1 s") .arg(RealTime::frame2RealTime(m_editingPoint.frame, m_model->getSampleRate()) .toText(false).c_str()); m_editingCommand->setName(newName); m_editingCommand->finish(); } m_editingCommand = 0; m_editing = false; } void TimeInstantLayer::editOpen(View *v, QMouseEvent *e) { if (!m_model) return; SparseOneDimensionalModel::PointList points = getLocalPoints(v, e->x()); if (points.empty()) return; SparseOneDimensionalModel::Point point = *points.begin(); ItemEditDialog *dialog = new ItemEditDialog (m_model->getSampleRate(), ItemEditDialog::ShowTime | ItemEditDialog::ShowText); dialog->setFrameTime(point.frame); dialog->setText(point.label); if (dialog->exec() == QDialog::Accepted) { SparseOneDimensionalModel::Point newPoint = point; newPoint.frame = dialog->getFrameTime(); newPoint.label = dialog->getText(); SparseOneDimensionalModel::EditCommand *command = new SparseOneDimensionalModel::EditCommand(m_model, tr("Edit Point")); command->deletePoint(point); command->addPoint(newPoint); command->finish(); } delete dialog; } void TimeInstantLayer::moveSelection(Selection s, size_t newStartFrame) { if (!m_model) return; SparseOneDimensionalModel::EditCommand *command = new SparseOneDimensionalModel::EditCommand(m_model, tr("Drag Selection")); SparseOneDimensionalModel::PointList points = m_model->getPoints(s.getStartFrame(), s.getEndFrame()); for (SparseOneDimensionalModel::PointList::iterator i = points.begin(); i != points.end(); ++i) { if (s.contains(i->frame)) { SparseOneDimensionalModel::Point newPoint(*i); newPoint.frame = i->frame + newStartFrame - s.getStartFrame(); command->deletePoint(*i); command->addPoint(newPoint); } } command->finish(); } void TimeInstantLayer::resizeSelection(Selection s, Selection newSize) { if (!m_model) return; SparseOneDimensionalModel::EditCommand *command = new SparseOneDimensionalModel::EditCommand(m_model, tr("Resize Selection")); SparseOneDimensionalModel::PointList points = m_model->getPoints(s.getStartFrame(), s.getEndFrame()); double ratio = double(newSize.getEndFrame() - newSize.getStartFrame()) / double(s.getEndFrame() - s.getStartFrame()); for (SparseOneDimensionalModel::PointList::iterator i = points.begin(); i != points.end(); ++i) { if (s.contains(i->frame)) { double target = i->frame; target = newSize.getStartFrame() + double(target - s.getStartFrame()) * ratio; SparseOneDimensionalModel::Point newPoint(*i); newPoint.frame = lrint(target); command->deletePoint(*i); command->addPoint(newPoint); } } command->finish(); } void TimeInstantLayer::deleteSelection(Selection s) { if (!m_model) return; SparseOneDimensionalModel::EditCommand *command = new SparseOneDimensionalModel::EditCommand(m_model, tr("Delete Selection")); SparseOneDimensionalModel::PointList points = m_model->getPoints(s.getStartFrame(), s.getEndFrame()); for (SparseOneDimensionalModel::PointList::iterator i = points.begin(); i != points.end(); ++i) { if (s.contains(i->frame)) command->deletePoint(*i); } command->finish(); } void TimeInstantLayer::copy(Selection s, Clipboard &to) { if (!m_model) return; SparseOneDimensionalModel::PointList points = m_model->getPoints(s.getStartFrame(), s.getEndFrame()); for (SparseOneDimensionalModel::PointList::iterator i = points.begin(); i != points.end(); ++i) { if (s.contains(i->frame)) { Clipboard::Point point(i->frame, i->label); to.addPoint(point); } } } bool TimeInstantLayer::paste(const Clipboard &from, int frameOffset, bool interactive) { if (!m_model) return false; const Clipboard::PointList &points = from.getPoints(); SparseOneDimensionalModel::EditCommand *command = new SparseOneDimensionalModel::EditCommand(m_model, tr("Paste")); for (Clipboard::PointList::const_iterator i = points.begin(); i != points.end(); ++i) { if (!i->haveFrame()) continue; size_t frame = 0; if (frameOffset > 0 || -frameOffset < i->getFrame()) { frame = i->getFrame() + frameOffset; } SparseOneDimensionalModel::Point newPoint(frame); if (i->haveLabel()) { newPoint.label = i->getLabel(); } else if (i->haveValue()) { newPoint.label = QString("%1").arg(i->getValue()); } command->addPoint(newPoint); } command->finish(); return true; } QString TimeInstantLayer::toXmlString(QString indent, QString extraAttributes) const { return Layer::toXmlString(indent, extraAttributes + QString(" colour=\"%1\" plotStyle=\"%2\"") .arg(encodeColour(m_colour)).arg(m_plotStyle)); } void TimeInstantLayer::setProperties(const QXmlAttributes &attributes) { QString colourSpec = attributes.value("colour"); if (colourSpec != "") { QColor colour(colourSpec); if (colour.isValid()) { setBaseColour(QColor(colourSpec)); } } bool ok; PlotStyle style = (PlotStyle) attributes.value("plotStyle").toInt(&ok); if (ok) setPlotStyle(style); } #ifdef INCLUDE_MOCFILES #include "TimeInstantLayer.moc.cpp" #endif