Chris@58: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@59:     Sonic Visualiser
Chris@59:     An audio file viewer and annotation editor.
Chris@59:     Centre for Digital Music, Queen Mary, University of London.
Chris@59:     This file copyright 2006 Chris Cannam.
Chris@0:     
Chris@59:     This program is free software; you can redistribute it and/or
Chris@59:     modify it under the terms of the GNU General Public License as
Chris@59:     published by the Free Software Foundation; either version 2 of the
Chris@59:     License, or (at your option) any later version.  See the file
Chris@59:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@1407: #ifndef SV_TIME_RULER_H
Chris@1407: #define SV_TIME_RULER_H
Chris@0: 
Chris@287: #include "SingleColourLayer.h"
Chris@0: 
Chris@0: #include <QRect>
Chris@0: #include <QColor>
Chris@0: 
Chris@0: class View;
Chris@0: class Model;
Chris@0: class QPainter;
Chris@0: 
Chris@287: class TimeRulerLayer : public SingleColourLayer
Chris@0: {
Chris@0:     Q_OBJECT
Chris@0: 
Chris@0: public:
Chris@44:     TimeRulerLayer();
Chris@0: 
Chris@1406:     void paint(LayerGeometryProvider *v, QPainter &paint, QRect rect) const override;
Chris@0: 
Chris@0:     void setModel(Model *);
Chris@1406:     const Model *getModel() const override { return m_model; }
Chris@0: 
Chris@0:     enum LabelHeight { LabelTop, LabelMiddle, LabelBottom };
Chris@0:     void setLabelHeight(LabelHeight h) { m_labelHeight = h; }
Chris@0:     LabelHeight getLabelHeight() const { return m_labelHeight; }
Chris@0: 
Chris@1406:     bool snapToFeatureFrame(LayerGeometryProvider *, sv_frame_t &, int &, SnapType) const override;
Chris@271: 
Chris@1406:     ColourSignificance getLayerColourSignificance() const override {
Chris@287:         return ColourIrrelevant;
Chris@287:     }
Chris@0: 
Chris@1406:     bool getValueExtents(double &, double &, bool &, QString &) const override {
Chris@79:         return false;
Chris@79:     }
Chris@79: 
Chris@1406:     QString getLayerPresentationName() const override;
Chris@335: 
Chris@1406:     int getVerticalScaleWidth(LayerGeometryProvider *, bool, QPainter &) const override { return 0; }
Chris@607: 
Chris@1406:     void toXml(QTextStream &stream, QString indent = "",
Chris@1406:                        QString extraAttributes = "") const override;
Chris@6: 
Chris@1406:     void setProperties(const QXmlAttributes &attributes) override;
Chris@11: 
Chris@1406:     bool canExistWithoutModel() const override { return true; }
Chris@947: 
Chris@0: protected:
Chris@0:     Model *m_model;
Chris@0:     LabelHeight m_labelHeight;
Chris@271: 
Chris@1406:     int getDefaultColourHint(bool dark, bool &impose) override;
Chris@287: 
Chris@1346:     int64_t getMajorTickUSec(LayerGeometryProvider *, bool &quarterTicks) const;
Chris@1341:     int getXForUSec(LayerGeometryProvider *, double usec) const;
Chris@0: };
Chris@0: 
Chris@0: #endif