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MouseMark.cpp    68 lines (58 with data), 2.5 kB

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/***************************************************************************
MouseMark.cpp - Handling of mouse selection
-------------------
begin : Sun Nov 12 2000
copyright : (C) 2000 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "config.h"
#include <QtGlobal>
#include "MouseMark.h"
//****************************************************************************
Kwave::MouseMark::MouseMark()
:m_initial(0), m_last(0)
{
}
//****************************************************************************
void Kwave::MouseMark::set(sample_index_t l, sample_index_t r)
{
m_initial = l;
m_last = r;
}
//****************************************************************************
sample_index_t Kwave::MouseMark::left() const
{
return (m_initial < m_last) ? m_initial : m_last;
}
//****************************************************************************
sample_index_t Kwave::MouseMark::right() const
{
return (m_initial > m_last) ? m_initial : m_last;
}
//****************************************************************************
void Kwave::MouseMark::grep(sample_index_t x)
{
const sample_index_t d_last =
(x > m_last) ? (x - m_last) : (m_last - x);
const sample_index_t d_first =
(x > m_initial) ? (x - m_initial) : (m_initial - x);
if (d_last > d_first) {
m_initial = m_last;
}
m_last = x;
}
//****************************************************************************
void Kwave::MouseMark::update(sample_index_t x)
{
m_last = x;
}
//****************************************************************************
//****************************************************************************