mirror of
https://github.com/linuxdeepin/dde-dock.git
synced 2025-06-04 17:33:05 +00:00
117 lines
3.1 KiB
C++
117 lines
3.1 KiB
C++
/*
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* Copyright (C) 2011 ~ 2018 Deepin Technology Co., Ltd.
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*
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* Author: sbw <sbw@sbw.so>
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*
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* Maintainer: sbw <sbw@sbw.so>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "volumeslider.h"
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#include <QMouseEvent>
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#include <QDebug>
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#include <QTimer>
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VolumeSlider::VolumeSlider(QWidget *parent)
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: QSlider(Qt::Horizontal, parent),
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m_pressed(false),
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m_timer(new QTimer(this))
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{
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setTickInterval(50);
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setPageStep(50);
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setTickPosition(QSlider::NoTicks);
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setFixedHeight(22);
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setStyleSheet("QSlider::groove {"
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"margin-left:11px;"
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"margin-right:11px;"
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"border:none;"
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"height:2px;"
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// "border-width:0 0px 0 0px;"
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// "background:url(:/image/image/slider_bg.png) 0 2 0 2 stretch;"
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"}"
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"QSlider::handle{"
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"background:url(:/icons/system-trays/sound/resources/slider_handle.svg) no-repeat;"
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"width:22px;"
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"height:22px;"
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"margin:-9px -14px -11px -14px;"
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"}"
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"QSlider::add-page {"
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"background-color:rgba(255, 255, 255, .1);"
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"}"
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"QSlider::sub-page {"
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"background-color:rgba(255, 255, 255, .8);"
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"}");
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m_timer->setInterval(100);
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connect(m_timer, &QTimer::timeout, this, &VolumeSlider::onTimeout);
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}
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void VolumeSlider::setValue(const int value)
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{
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if (m_pressed)
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return;
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blockSignals(true);
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QSlider::setValue(value);
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blockSignals(false);
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}
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void VolumeSlider::mousePressEvent(QMouseEvent *e)
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{
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if (e->button() == Qt::LeftButton)
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{
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if (!rect().contains(e->pos()))
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return;
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m_pressed = true;
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QSlider::setValue(maximum() * e->x() / rect().width());
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}
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}
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void VolumeSlider::mouseMoveEvent(QMouseEvent *e)
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{
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const int value = minimum() + (double((maximum()) - minimum()) * e->x() / rect().width());
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const int normalized = std::max(std::min(maximum(), value), 0);
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QSlider::setValue(normalized);
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emit valueChanged(normalized);
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}
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void VolumeSlider::mouseReleaseEvent(QMouseEvent *e)
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{
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if (e->button() == Qt::LeftButton)
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{
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m_pressed = false;
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emit requestPlaySoundEffect();
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}
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}
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void VolumeSlider::wheelEvent(QWheelEvent *e)
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{
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e->accept();
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m_timer->start();
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QSlider::setValue(value() + (e->delta() > 0 ? 10 : -10));
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}
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void VolumeSlider::onTimeout()
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{
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m_timer->stop();
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emit requestPlaySoundEffect();
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}
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