view widgets/Pane.h @ 1:ab83c415a6cd

* Backed out partially complete changes to make the spectrogram only store results up to the requested max frequency. The speed improvement was minimal at the expense of annoyance when changing frequency limit, and although it did save memory, it wasn't yet reliable and fixing it is not a high enough priority.
author Chris Cannam
date Tue, 10 Jan 2006 17:04:02 +0000
parents 2a4f26e85b4c
children 37b110168acf
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/* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */

/*
    A waveform viewer and audio annotation editor.
    Chris Cannam, Queen Mary University of London, 2005
    
    This is experimental software.  Not for distribution.
*/

#ifndef _PANE_H_
#define _PANE_H_

#include <QFrame>
#include <QPoint>

#include "base/ZoomConstraint.h"
#include "base/View.h"

class QWidget;
class QPaintEvent;
class Layer;

class Pane : public View
{
    Q_OBJECT

public:
    Pane(QWidget *parent = 0);
    virtual QString getPropertyContainerIconName() const { return "pane"; }

    virtual bool shouldIlluminateLocalFeatures(const Layer *layer, QPoint &pos);

    void setCentreLineVisible(bool visible);
    bool getCentreLineVisible() const { return m_centreLineVisible; }

signals:
    void paneInteractedWith();

protected:
    virtual void paintEvent(QPaintEvent *e);
    virtual void mousePressEvent(QMouseEvent *e);
    virtual void mouseReleaseEvent(QMouseEvent *e);
    virtual void mouseMoveEvent(QMouseEvent *e);
    virtual void mouseDoubleClickEvent(QMouseEvent *e);
    virtual void leaveEvent(QEvent *e);
    virtual void wheelEvent(QWheelEvent *e);

    bool m_identifyFeatures;
    QPoint m_identifyPoint;
    QPoint m_clickPos;
    QPoint m_mousePos;
    bool m_clickedInRange;
    bool m_shiftPressed;
    size_t m_dragCentreFrame;
    bool m_centreLineVisible;
};

#endif