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/***************************************************************************
* Copyright (C) 2006-2015 by Ilya Kotov *
* forkotov02@ya.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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QPainter>
#include <QResizeEvent>
#include <math.h>
#include "skin.h"
#include "playlistslider.h"
#include "pixmapwidget.h"
PlayListSlider::PlayListSlider(QWidget *parent)
: QWidget(parent)
{
m_skin = Skin::instance();
m_moving = false;
m_pressed = false;
m_min = 0;
m_max = 0;
m_value = 0;
connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin()));
setCursor(m_skin->getCursor(Skin::CUR_PVSCROLL));
}
PlayListSlider::~PlayListSlider()
{}
void PlayListSlider::paintEvent(QPaintEvent *)
{
int sy = (height()-58)/29;
int p=int(ceil(double(m_value-m_min)*(height()-18)/(m_max-m_min)));
QPainter paint(this);
paint.drawPixmap(0,0,m_skin->getPlPart(Skin::PL_RFILL));
paint.drawPixmap(0,29,m_skin->getPlPart(Skin::PL_RFILL));
for (int i = 0; i<sy; i++)
{
paint.drawPixmap(0,58+i*29,m_skin->getPlPart(Skin::PL_RFILL));
}
if (m_pressed)
paint.drawPixmap(5*m_skin->ratio(),p,m_skin->getButton(Skin::PL_BT_SCROLL_P));
else
paint.drawPixmap(5*m_skin->ratio(),p,m_skin->getButton(Skin::PL_BT_SCROLL_N));
m_pos = p;
}
void PlayListSlider::mousePressEvent(QMouseEvent *e)
{
m_moving = true;
m_pressed = true;
m_press_pos = e->y();
if (m_pos<e->y() && e->y()<m_pos+18*m_skin->ratio())
{
m_press_pos = e->y()-m_pos;
}
else
{
m_value = convert(qMax(qMin(height()-18*m_skin->ratio(),e->y()-9*m_skin->ratio()),0));
m_press_pos = 9*m_skin->ratio();
if (m_value!=m_old)
{
emit sliderMoved(m_value);
m_old = m_value;
//qDebug ("%d",m_value);
}
}
update();
}
void PlayListSlider::mouseReleaseEvent(QMouseEvent*)
{
m_moving = false;
m_pressed = false;
update();
}
void PlayListSlider::mouseMoveEvent(QMouseEvent* e)
{
if (m_moving)
{
int po = e->y();
po = po - m_press_pos;
if (0 <= po && po <= height() - 18*m_skin->ratio())
{
m_value = convert(po);
update();
if (m_value != m_old)
{
m_old = m_value;
emit sliderMoved(m_value);
}
}
}
}
void PlayListSlider::setPos(int p, int max)
{
m_max = max;
m_value = p;
if(m_moving)
return;
update();
}
void PlayListSlider::updateSkin()
{
update();
setCursor(m_skin->getCursor(Skin::CUR_PVSCROLL));
}
int PlayListSlider::convert(int p)
{
return int(floor(double(m_max-m_min)*(p)/(height()-18*m_skin->ratio())+m_min));
}
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