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Diffstat (limited to 'src/plugins/Ui/skinned/eqslider.cpp')
| -rw-r--r-- | src/plugins/Ui/skinned/eqslider.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/plugins/Ui/skinned/eqslider.cpp b/src/plugins/Ui/skinned/eqslider.cpp new file mode 100644 index 000000000..5c1925a4f --- /dev/null +++ b/src/plugins/Ui/skinned/eqslider.cpp @@ -0,0 +1,153 @@ +/*************************************************************************** + * 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 <QWheelEvent> +#include <math.h> + +#include "skin.h" + +#include "eqslider.h" + + +EqSlider::EqSlider(QWidget *parent): PixmapWidget(parent) +{ + m_skin = Skin::instance(); + connect(m_skin, SIGNAL(skinChanged()), this, SLOT(updateSkin())); + setPixmap(m_skin->getEqSlider(0)); + m_moving = false; + m_min = -20; + m_max = 20; + m_old = m_value = 0; + draw(false); + setCursor(m_skin->getCursor(Skin::CUR_EQSLID)); +} + +EqSlider::~EqSlider() +{} + +void EqSlider::mousePressEvent(QMouseEvent *e) +{ + m_moving = true; + press_pos = e->y(); + if (e->button() == Qt::MidButton) + { + m_value = 0; + emit sliderMoved(m_value); + m_old = m_value; + } + else if (m_pos<e->y() && e->y()<m_pos+11*m_skin->ratio()) + { + press_pos = e->y()-m_pos; + } + else + { + m_value = convert(qMax(qMin(height()-12*m_skin->ratio(),e->y()-6*m_skin->ratio()),0)); + press_pos = 6*m_skin->ratio(); + if (m_value!=m_old) + { + emit sliderMoved(m_value); + m_old = m_value; + } + } + draw(); +} + +void EqSlider::mouseReleaseEvent(QMouseEvent*) +{ + m_moving = false; + draw(false); +} + +void EqSlider::mouseMoveEvent(QMouseEvent* e) +{ + if (m_moving) + { + int po = e->y(); + po = po - press_pos; + + if (0<=po && po<=height()-12*m_skin->ratio()) + { + m_value = convert(po); + draw(); + if (m_value!=m_old) + { + + m_old = m_value; + //qDebug ("%d",-m_value); + emit sliderMoved(-m_value); + } + } + } +} + +double EqSlider::value() +{ + return - m_value; +} + +void EqSlider::setValue(double p) +{ + if (m_moving) + return; + m_value = -p; + draw(false); +} + +void EqSlider::setMax(double m) +{ + m_max = m; + draw(false); +} + +void EqSlider::updateSkin() +{ + resize(m_skin->getEqSlider(0).size()); + draw(false); + setCursor(m_skin->getCursor(Skin::CUR_EQSLID)); +} + +void EqSlider::draw(bool pressed) +{ + int p=int(ceil(double(m_value-m_min)*(height()-12*m_skin->ratio())/(m_max-m_min))); + m_pixmap = m_skin->getEqSlider(27-27*(m_value-m_min)/(m_max-m_min)); + QPainter paint(&m_pixmap); + if (pressed) + paint.drawPixmap(1,p,m_skin->getButton(Skin::EQ_BT_BAR_P)); + else + paint.drawPixmap(1,p,m_skin->getButton(Skin::EQ_BT_BAR_N)); + setPixmap(m_pixmap); + m_pos = p; +} + +double EqSlider::convert(int p) +{ + return (m_max - m_min)*(p)/(height() - 12*m_skin->ratio()) + m_min; +} + +void EqSlider::wheelEvent(QWheelEvent *e) +{ + m_value -= e->delta()/60; + m_value = m_value > m_max ? m_max : m_value; + m_value = m_value < m_min ? m_min : m_value; + draw(false); + emit sliderMoved(m_value); +} + |