Mercurial > hg > svcore
view data/model/SparseTimeValueModel.h @ 1205:16955f929d37
Compiler warning fixes
author | Chris Cannam |
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date | Tue, 16 Aug 2016 16:49:22 +0100 |
parents | 1517d4c60e88 |
children | 48e9f538e6e9 |
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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. */ #ifndef _SPARSE_TIME_VALUE_MODEL_H_ #define _SPARSE_TIME_VALUE_MODEL_H_ #include "SparseValueModel.h" #include "base/PlayParameterRepository.h" #include "base/RealTime.h" /** * Time/value point type for use in a SparseModel or SparseValueModel. * With this point type, the model basically represents a wiggly-line * plot with points at arbitrary intervals of the model resolution. */ struct TimeValuePoint { public: TimeValuePoint(sv_frame_t _frame) : frame(_frame), value(0.0f) { } TimeValuePoint(sv_frame_t _frame, float _value, QString _label) : frame(_frame), value(_value), label(_label) { } int getDimensions() const { return 2; } sv_frame_t frame; float value; QString label; QString getLabel() const { return label; } void toXml(QTextStream &stream, QString indent = "", QString extraAttributes = "") const { stream << QString("%1<point frame=\"%2\" value=\"%3\" label=\"%4\" %5/>\n") .arg(indent).arg(frame).arg(value).arg(XmlExportable::encodeEntities(label)) .arg(extraAttributes); } QString toDelimitedDataString(QString delimiter, DataExportOptions, sv_samplerate_t sampleRate) const { QStringList list; list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str(); list << QString("%1").arg(value); if (label != "") list << label; return list.join(delimiter); } struct Comparator { bool operator()(const TimeValuePoint &p1, const TimeValuePoint &p2) const { if (p1.frame != p2.frame) return p1.frame < p2.frame; if (p1.value != p2.value) return p1.value < p2.value; return p1.label < p2.label; } }; struct OrderComparator { bool operator()(const TimeValuePoint &p1, const TimeValuePoint &p2) const { return p1.frame < p2.frame; } }; }; class SparseTimeValueModel : public SparseValueModel<TimeValuePoint> { Q_OBJECT public: SparseTimeValueModel(sv_samplerate_t sampleRate, int resolution, bool notifyOnAdd = true) : SparseValueModel<TimeValuePoint>(sampleRate, resolution, notifyOnAdd) { // Model is playable, but may not sound (if units not Hz or // range unsuitable) PlayParameterRepository::getInstance()->addPlayable(this); } SparseTimeValueModel(sv_samplerate_t sampleRate, int resolution, float valueMinimum, float valueMaximum, bool notifyOnAdd = true) : SparseValueModel<TimeValuePoint>(sampleRate, resolution, valueMinimum, valueMaximum, notifyOnAdd) { // Model is playable, but may not sound (if units not Hz or // range unsuitable) PlayParameterRepository::getInstance()->addPlayable(this); } virtual ~SparseTimeValueModel() { PlayParameterRepository::getInstance()->removePlayable(this); } QString getTypeName() const { return tr("Sparse Time-Value"); } virtual bool canPlay() const { return true; } virtual bool getDefaultPlayAudible() const { return false; } // user must unmute /** * TabularModel methods. */ virtual int getColumnCount() const { return 4; } virtual QString getHeading(int column) const { switch (column) { case 0: return tr("Time"); case 1: return tr("Frame"); case 2: return tr("Value"); case 3: return tr("Label"); default: return tr("Unknown"); } } virtual QVariant getData(int row, int column, int role) const { if (column < 2) { return SparseValueModel<TimeValuePoint>::getData (row, column, role); } PointListConstIterator i = getPointListIteratorForRow(row); if (i == m_points.end()) return QVariant(); switch (column) { case 2: if (role == Qt::EditRole || role == SortRole) return i->value; else return QString("%1 %2").arg(i->value).arg(getScaleUnits()); case 3: return i->label; default: return QVariant(); } } virtual Command *getSetDataCommand(int row, int column, const QVariant &value, int role) { if (column < 2) { return SparseValueModel<TimeValuePoint>::getSetDataCommand (row, column, value, role); } if (role != Qt::EditRole) return 0; PointListConstIterator i = getPointListIteratorForRow(row); if (i == m_points.end()) return 0; EditCommand *command = new EditCommand(this, tr("Edit Data")); Point point(*i); command->deletePoint(point); switch (column) { case 2: point.value = float(value.toDouble()); break; case 3: point.label = value.toString(); break; } command->addPoint(point); return command->finish(); } virtual bool isColumnTimeValue(int column) const { return (column < 2); } virtual SortType getSortType(int column) const { if (column == 3) return SortAlphabetical; return SortNumeric; } }; #endif