/***************************************************************************
* Copyright (C) 2007-2009 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* 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. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include <QMouseEvent>
#include <QPainter>
#include <QPainter>
#include <math.h>
#include "skin.h"
#include "shadedbar.h"
ShadedBar::ShadedBar(QWidget *parent, uint slider1, uint slider2, uint slider3)
: QWidget(parent)
{
m_slider1 = slider1;
m_slider2 = slider2;
m_slider3 = slider3;
m_skin = Skin::instance();
m_ratio = m_skin->ratio();
if(slider1 == Skin::EQ_VOLUME1)
resize(m_ratio*97,m_ratio*7);
else
resize(m_ratio*42,m_ratio*7);
connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin()));
m_moving = FALSE;
m_min = 0;
m_max = 100;
m_old = m_value = 0;
draw();
}
ShadedBar::~ShadedBar()
{
}
void ShadedBar::mousePressEvent(QMouseEvent *e)
{
m_moving = true;
press_pos = e->x();
if(m_pos<e->x() && e->x()<m_pos+3)
{
press_pos = e->x()-m_pos;
}
else
{
m_value = convert(qMax(qMin(width()-3,e->x()-1),0));
press_pos = 1;
if (m_value!=m_old)
{
emit sliderMoved(m_value);
}
}
draw();
}
void ShadedBar::mouseMoveEvent (QMouseEvent *e)
{
if(m_moving)
{
int po = e->x();
po = po - press_pos;
if(0<=po && po<=width()-3)
{
m_value = convert(po);
draw();
emit sliderMoved(m_value);
}
}
}
void ShadedBar::mouseReleaseEvent(QMouseEvent*)
{
m_moving = FALSE;
draw();
m_old = m_value;
}
void ShadedBar::setValue(int v)
{
if (m_moving || m_max == 0)
return;
m_value = v;
draw();
}
void ShadedBar::setRange(int min, int max)
{
m_max = max;
m_min = min;
draw();
}
void ShadedBar::updateSkin()
{
m_ratio = m_skin->ratio();
if(m_slider1 == Skin::EQ_VOLUME1)
resize(m_ratio*97,m_ratio*7);
else
resize(m_ratio*42,m_ratio*7);
draw();
}
void ShadedBar::draw()
{
if (m_value <= m_min + (m_max - m_min)/3)
m_pixmap = m_skin->getEqPart(m_slider1);
else if(m_min + (m_max - m_min)/3 < m_value && m_value <= m_min + 2*(m_max - m_min)/3)
m_pixmap = m_skin->getEqPart(m_slider2);
else
m_pixmap = m_skin->getEqPart(m_slider3);
m_pos = int(ceil(double(m_value-m_min)*(width()-3*m_ratio)/(m_max-m_min)));
update();
}
int ShadedBar::convert(int p)
{
return int(ceil(double(m_max-m_min)*(p)/(width()-3)+m_min));
}
void ShadedBar::paintEvent(QPaintEvent*)
{
QPainter paint(this);
paint.drawPixmap(m_pos,0,m_pixmap);
}
