annotate layer/TimeInstantLayer.h @ 17:0183ebb725ca

* Add ability to create empty layers for editing * Add first basic editing capability (adding points to a time instant layer) * Add various keyboard and mouse shortcuts for navigation &c * Add ability to resize a selection by dragging its edges * Add maximum zoom level
author Chris Cannam
date Thu, 26 Jan 2006 16:15:40 +0000
parents 01849cd277e6
children 7c767d41bcee
rev   line source
Chris@0 1 /* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@0 4 A waveform viewer and audio annotation editor.
Chris@5 5 Chris Cannam, Queen Mary University of London, 2005-2006
Chris@0 6
Chris@0 7 This is experimental software. Not for distribution.
Chris@0 8 */
Chris@0 9
Chris@0 10 #ifndef _TIME_INSTANT_VIEW_H_
Chris@0 11 #define _TIME_INSTANT_VIEW_H_
Chris@0 12
Chris@0 13 #include "base/Layer.h"
Chris@0 14 #include "model/SparseOneDimensionalModel.h"
Chris@0 15
Chris@0 16 #include <QObject>
Chris@0 17 #include <QColor>
Chris@0 18
Chris@0 19 class View;
Chris@0 20 class QPainter;
Chris@0 21
Chris@0 22 class TimeInstantLayer : public Layer
Chris@0 23 {
Chris@0 24 Q_OBJECT
Chris@0 25
Chris@0 26 public:
Chris@0 27 TimeInstantLayer(View *w);
Chris@0 28
Chris@0 29 virtual void paint(QPainter &paint, QRect rect) const;
Chris@0 30
Chris@0 31 virtual QRect getFeatureDescriptionRect(QPainter &, QPoint) const;
Chris@0 32 virtual void paintLocalFeatureDescription(QPainter &, QRect, QPoint) const;
Chris@0 33
Chris@13 34 virtual int getNearestFeatureFrame(int frame,
Chris@13 35 size_t &resolution,
Chris@13 36 bool snapRight = true) const;
Chris@13 37
Chris@17 38 virtual void drawStart(QMouseEvent *);
Chris@17 39 virtual void drawDrag(QMouseEvent *);
Chris@17 40 virtual void drawEnd(QMouseEvent *);
Chris@17 41
Chris@0 42 virtual const Model *getModel() const { return m_model; }
Chris@0 43 void setModel(SparseOneDimensionalModel *model);
Chris@0 44
Chris@0 45 virtual PropertyList getProperties() const;
Chris@0 46 virtual PropertyType getPropertyType(const PropertyName &) const;
Chris@0 47 virtual int getPropertyRangeAndValue(const PropertyName &,
Chris@0 48 int *min, int *max) const;
Chris@0 49 virtual QString getPropertyValueLabel(const PropertyName &,
Chris@0 50 int value) const;
Chris@0 51 virtual void setProperty(const PropertyName &, int value);
Chris@0 52
Chris@0 53 void setBaseColour(QColor);
Chris@0 54 QColor getBaseColour() const { return m_colour; }
Chris@0 55
Chris@0 56 virtual bool isLayerScrollable() const;
Chris@0 57
Chris@0 58 virtual int getCompletion() const { return m_model->getCompletion(); }
Chris@0 59
Chris@6 60 virtual QString toXmlString(QString indent = "",
Chris@6 61 QString extraAttributes = "") const;
Chris@6 62
Chris@11 63 void setProperties(const QXmlAttributes &attributes);
Chris@11 64
Chris@0 65 protected:
Chris@0 66 SparseOneDimensionalModel::PointList getLocalPoints(int) const;
Chris@0 67
Chris@0 68 SparseOneDimensionalModel *m_model;
Chris@17 69 SparseOneDimensionalModel::Point m_editingPoint;
Chris@0 70 QColor m_colour;
Chris@0 71 };
Chris@0 72
Chris@0 73 #endif
Chris@0 74