view layer/TimeRulerLayer.h @ 299:5c59c433b358

* Show colour swatch next to layer name in pane (if available) * Fix for incorrect layer name prefix handling (was making some layers appear to have the same model name in cases where the model names differed by the final character only)
author Chris Cannam
date Wed, 05 Sep 2007 15:17:15 +0000
parents cd2492c5fe45
children c0b9eec70639
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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 _TIME_RULER_H_
#define _TIME_RULER_H_

#include "SingleColourLayer.h"

#include <QRect>
#include <QColor>

class View;
class Model;
class QPainter;

class TimeRulerLayer : public SingleColourLayer
{
    Q_OBJECT

public:
    TimeRulerLayer();

    virtual void paint(View *v, QPainter &paint, QRect rect) const;

    void setModel(Model *);
    virtual const Model *getModel() const { return m_model; }

    enum LabelHeight { LabelTop, LabelMiddle, LabelBottom };
    void setLabelHeight(LabelHeight h) { m_labelHeight = h; }
    LabelHeight getLabelHeight() const { return m_labelHeight; }

    virtual bool snapToFeatureFrame(View *, int &, size_t &, SnapType) const;

    virtual ColourSignificance getLayerColourSignificance() const {
        return ColourIrrelevant;
    }

    virtual bool getValueExtents(float &, float &, bool &, QString &) const {
        return false;
    }

    virtual QString toXmlString(QString indent = "",
				QString extraAttributes = "") const;

    void setProperties(const QXmlAttributes &attributes);

protected:
    Model *m_model;
    LabelHeight m_labelHeight;

    virtual int getDefaultColourHint(bool dark, bool &impose);

    int getMajorTickSpacing(View *, bool &quarterTicks) const;
};

#endif