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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 SV_TIME_INSTANT_LAYER_H
#define SV_TIME_INSTANT_LAYER_H
#include "SingleColourLayer.h"
#include "data/model/SparseOneDimensionalModel.h"
#include <QObject>
#include <QColor>
class QPainter;
namespace sv {
class View;
class TimeInstantLayer : public SingleColourLayer
{
Q_OBJECT
public:
TimeInstantLayer();
virtual ~TimeInstantLayer();
void paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const override;
QString getLabelAtOrPreceding(sv_frame_t) const override;
QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const override;
bool snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame,
int &resolution,
SnapType snap, int ycoord) const override;
void drawStart(LayerGeometryProvider *v, QMouseEvent *) override;
void drawDrag(LayerGeometryProvider *v, QMouseEvent *) override;
void drawEnd(LayerGeometryProvider *v, QMouseEvent *) override;
void eraseStart(LayerGeometryProvider *v, QMouseEvent *) override;
void eraseDrag(LayerGeometryProvider *v, QMouseEvent *) override;
void eraseEnd(LayerGeometryProvider *v, QMouseEvent *) override;
void editStart(LayerGeometryProvider *v, QMouseEvent *) override;
void editDrag(LayerGeometryProvider *v, QMouseEvent *) override;
void editEnd(LayerGeometryProvider *v, QMouseEvent *) override;
bool editOpen(LayerGeometryProvider *, QMouseEvent *) override;
void moveSelection(Selection s, sv_frame_t newStartFrame) override;
void resizeSelection(Selection s, Selection newSize) override;
void deleteSelection(Selection s) override;
void copy(LayerGeometryProvider *v, Selection s, Clipboard &to) override;
bool paste(LayerGeometryProvider *v, const Clipboard &from, sv_frame_t frameOffset,
bool interactive) override;
ModelId getModel() const override { return m_model; }
void setModel(ModelId model); // a SparseOneDimensionalModel
PropertyList getProperties() const override;
QString getPropertyLabel(const PropertyName &) const override;
PropertyType getPropertyType(const PropertyName &) const override;
int getPropertyRangeAndValue(const PropertyName &,
int *min, int *max, int *deflt) const override;
QString getPropertyValueLabel(const PropertyName &,
int value) const override;
void setProperty(const PropertyName &, int value) override;
enum PlotStyle {
PlotInstants,
PlotSegmentation
};
void setPlotStyle(PlotStyle style);
PlotStyle getPlotStyle() const { return m_plotStyle; }
bool isLayerScrollable(const LayerGeometryProvider *v) const override;
bool isLayerEditable() const override { return true; }
int getCompletion(LayerGeometryProvider *) const override;
bool needsTextLabelHeight() const override;
ScaleExtents getVerticalExtents() const override {
return NO_VERTICAL_EXTENTS;
}
void toXml(QTextStream &stream, QString indent = "",
QString extraAttributes = "") const override;
void setProperties(const LayerAttributes &attributes) override;
ColourSignificance getLayerColourSignificance() const override {
if (m_plotStyle == PlotSegmentation) {
return ColourHasMeaningfulValue;
} else {
return ColourDistinguishes;
}
}
int getVerticalScaleWidth(LayerGeometryProvider *, bool, QPainter &) const override { return 0; }
void overrideHighlightForPointsAt(sv_frame_t);
void removeOverrideHighlight();
signals:
void frameIlluminated(sv_frame_t);
protected:
EventVector getLocalPoints(LayerGeometryProvider *v, int) const;
int getDefaultColourHint(bool dark, bool &impose) override;
bool clipboardAlignmentDiffers(LayerGeometryProvider *v, const Clipboard &) const;
ModelId m_model;
bool m_editing;
Event m_editingPoint;
ChangeEventsCommand *m_editingCommand;
PlotStyle m_plotStyle;
bool m_propertiesExplicitlySet;
bool m_overrideHighlight;
sv_frame_t m_highlightOverrideFrame;
void finish(ChangeEventsCommand *command) {
Command *c = command->finish();
if (c) CommandHistory::getInstance()->addCommand(c, false);
}
};
} // end namespace sv
#endif
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