view widgets/TransformFinder.h @ 1386:fc3d89f88690 spectrogramparam

Use log-frequency rather than log-bin for calculating x coord in spectrum. This has the advantage that frequency positions don't move when we change the window size or oversampling ratio, but it does give us an unhelpfully large amount of space for very low frequencies - to be considered

/* -*- 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 2008 QMUL.
    
    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 _TRANSFORM_FINDER_H_
#define _TRANSFORM_FINDER_H_

#include <QDialog>

#include <vector>

#include "transform/Transform.h"
#include "transform/TransformFactory.h"

class QVBoxLayout;
class QScrollArea;
class QLabel;
class SelectableLabel;
class QWidget;
class QTimer;

class TransformFinder : public QDialog
{
    Q_OBJECT

public:
    TransformFinder(QWidget *parent = 0);
    ~TransformFinder();

    TransformId getTransform() const;

protected slots:
    void searchTextChanged(const QString &);
    void selectedLabelChanged();
    void labelDoubleClicked();
    void timeout();
    void up();
    void down();

protected:
    QLabel *m_infoLabel;
    QLabel *m_beforeSearchLabel;
    QLabel *m_noResultsLabel;

    QScrollArea *m_resultsScroll;
    QWidget *m_resultsFrame;
    QVBoxLayout *m_resultsLayout;
    std::vector<SelectableLabel *> m_labels;
    TransformId m_selectedTransform;
    QTimer *m_timer;

    void setupBeforeSearchLabel();

    QString m_newSearchText;
    typedef std::vector<TextMatcher::Match> SortedResults;
    SortedResults m_sortedResults;
    int m_upToDateCount;
};

#endif