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/***************************************************************************
* Copyright (C) 2006-2009 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 <math.h>
#include "skin.h"
#include "button.h"
#include "mainwindow.h"
#include "volumebar.h"
VolumeBar::VolumeBar(QWidget *parent) : PixmapWidget(parent)
{
m_skin = Skin::instance();
connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin()));
setPixmap(m_skin->getVolumeBar(0));
mw = qobject_cast<MainWindow*>(window());
m_moving = FALSE;
m_min = 0;
m_max = 100;
m_old = m_value = 0;
draw(FALSE);
}
VolumeBar::~VolumeBar()
{}
void VolumeBar::mousePressEvent(QMouseEvent *e)
{
m_moving = true;
press_pos = e->x();
if(m_pos<e->x() && e->x()<m_pos+11*m_skin->ratio())
{
press_pos = e->x()-m_pos;
}
else
{
m_value = convert(qMax(qMin(width()-18*m_skin->ratio(),e->x()-6*m_skin->ratio()),0));
press_pos = 6*m_skin->ratio();
if (m_value != m_old)
emit sliderMoved(m_value);
}
draw();
}
void VolumeBar::mouseMoveEvent (QMouseEvent *e)
{
if(m_moving)
{
int po = e->x();
po = po - press_pos;
if(0<=po && po<=width()-18*m_skin->ratio())
{
m_value = convert(po);
draw();
emit sliderMoved(m_value);
}
}
}
void VolumeBar::mouseReleaseEvent(QMouseEvent*)
{
m_moving = FALSE;
draw(FALSE);
m_old = m_value;
}
void VolumeBar::setValue(int v)
{
if (m_moving || m_max == 0)
return;
m_value = v;
draw(FALSE);
}
void VolumeBar::setMax(int max)
{
m_max = max;
draw(FALSE);
}
void VolumeBar::updateSkin()
{
resize(m_skin->getVolumeBar(0).size());
draw(FALSE);
setCursor(m_skin->getCursor(Skin::CUR_VOLBAL));
}
void VolumeBar::draw(bool pressed)
{
int p=int(ceil(double(m_value-m_min)*(width()-18*m_skin->ratio())/(m_max-m_min)));
m_pixmap = m_skin->getVolumeBar(27*(m_value-m_min)/(m_max-m_min));
QPainter paint(&m_pixmap);
if(pressed)
paint.drawPixmap(p,1,m_skin->getButton(Skin::BT_VOL_P));
else
paint.drawPixmap(p,1,m_skin->getButton(Skin::BT_VOL_N));
setPixmap(m_pixmap);
m_pos = p;
}
int VolumeBar::convert(int p)
{
return int(ceil(double(m_max-m_min)*(p)/(width()-18*m_skin->ratio())+m_min));
}
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