view base/Clipboard.cpp @ 360:ac300d385ab2

* Various fixes to object lifetime management, particularly in the spectrum
  layer and for notification of main model deletion.
  The main purpose of this is to improve the behaviour of the spectrum, but I
  think it may also help with #1840922 Various crashes in Layer Summary window.

/* -*- 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.
*/

#include "Clipboard.h"

Clipboard::Point::Point(long frame, QString label) :
    m_haveFrame(true),
    m_frame(frame),
    m_haveValue(false),
    m_haveDuration(false),
    m_haveLabel(true),
    m_label(label),
    m_haveLevel(false),
    m_level(0.f),
    m_haveReferenceFrame(false),
    m_referenceFrame(frame)
{
}

Clipboard::Point::Point(long frame, float value, QString label) :
    m_haveFrame(true),
    m_frame(frame),
    m_haveValue(true),
    m_value(value),
    m_haveDuration(false),
    m_haveLabel(true),
    m_label(label),
    m_haveLevel(false),
    m_level(0.f),
    m_haveReferenceFrame(false),
    m_referenceFrame(frame)
{
}

Clipboard::Point::Point(long frame, float value, size_t duration, QString label) :
    m_haveFrame(true),
    m_frame(frame),
    m_haveValue(true),
    m_value(value),
    m_haveDuration(true),
    m_duration(duration),
    m_haveLabel(true),
    m_label(label),
    m_haveLevel(false),
    m_level(0.f),
    m_haveReferenceFrame(false),
    m_referenceFrame(frame)
{
}

Clipboard::Point::Point(long frame, float value, size_t duration, float level, QString label) :
    m_haveFrame(true),
    m_frame(frame),
    m_haveValue(true),
    m_value(value),
    m_haveDuration(true),
    m_duration(duration),
    m_haveLabel(true),
    m_label(label),
    m_haveLevel(true),
    m_level(level),
    m_haveReferenceFrame(false),
    m_referenceFrame(frame)
{
}

Clipboard::Point::Point(const Point &point) :
    m_haveFrame(point.m_haveFrame),
    m_frame(point.m_frame),
    m_haveValue(point.m_haveValue),
    m_value(point.m_value),
    m_haveDuration(point.m_haveDuration),
    m_duration(point.m_duration),
    m_haveLabel(point.m_haveLabel),
    m_label(point.m_label),
    m_haveLevel(point.m_haveLevel),
    m_level(point.m_level),
    m_haveReferenceFrame(point.m_haveReferenceFrame),
    m_referenceFrame(point.m_referenceFrame)
{
}

Clipboard::Point &
Clipboard::Point::operator=(const Point &point)
{
    if (this == &point) return *this;
    m_haveFrame = point.m_haveFrame;
    m_frame = point.m_frame;
    m_haveValue = point.m_haveValue;
    m_value = point.m_value;
    m_haveDuration = point.m_haveDuration;
    m_duration = point.m_duration;
    m_haveLabel = point.m_haveLabel;
    m_label = point.m_label;
    m_haveLevel = point.m_haveLevel;
    m_level = point.m_level;
    m_haveReferenceFrame = point.m_haveReferenceFrame;
    m_referenceFrame = point.m_referenceFrame;
    return *this;
}

bool
Clipboard::Point::haveFrame() const
{
    return m_haveFrame;
}

long
Clipboard::Point::getFrame() const
{
    return m_frame;
}

bool
Clipboard::Point::haveValue() const
{
    return m_haveValue;
}

float
Clipboard::Point::getValue() const
{
    return m_value;
}

bool
Clipboard::Point::haveDuration() const
{
    return m_haveDuration;
}

size_t
Clipboard::Point::getDuration() const
{
    return m_duration;
}

bool
Clipboard::Point::haveLabel() const
{
    return m_haveLabel;
}

QString
Clipboard::Point::getLabel() const
{
    return m_label;
}

bool
Clipboard::Point::haveLevel() const
{
    return m_haveLevel;
}

float
Clipboard::Point::getLevel() const
{
    return m_level;
}

bool
Clipboard::Point::haveReferenceFrame() const
{
    return m_haveReferenceFrame;
}

long
Clipboard::Point::getReferenceFrame() const
{
    return m_referenceFrame;
}

void
Clipboard::Point::setReferenceFrame(long f) 
{
    if (f != m_frame) m_haveReferenceFrame = true;
    m_referenceFrame = f;
}

Clipboard::Clipboard() { }
Clipboard::~Clipboard() { }

void
Clipboard::clear()
{
    m_points.clear();
}

bool
Clipboard::empty() const
{
    return m_points.empty();
}

const Clipboard::PointList &
Clipboard::getPoints() const
{
    return m_points;
}

void
Clipboard::setPoints(const PointList &pl)
{
    m_points = pl;
}

void
Clipboard::addPoint(const Point &point)
{
    m_points.push_back(point);
}

bool
Clipboard::haveReferenceFrames() const
{
    for (PointList::const_iterator i = m_points.begin();
         i != m_points.end(); ++i) {
        if (i->haveReferenceFrame()) return true;
    } 
    return false;
}