99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
||
|
|
*
|
||
|
|
* Copyright (C) 2019 Tianjin KYLIN Information Technology Co., Ltd.
|
||
|
|
*
|
||
|
|
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "cyclelabel.h"
|
||
|
|
|
||
|
|
CycleLabel::CycleLabel(QWidget *parent)
|
||
|
|
:QFrame(parent),
|
||
|
|
m_width(20),
|
||
|
|
m_height(20)
|
||
|
|
{
|
||
|
|
this->setFixedSize(QSize(m_width, m_height));
|
||
|
|
setWindowFlags(Qt::FramelessWindowHint);
|
||
|
|
setAttribute(Qt::WA_TranslucentBackground, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CycleLabel::paintEvent(QPaintEvent *){
|
||
|
|
//启用反锯齿
|
||
|
|
QPainter painter(this);
|
||
|
|
painter.setRenderHint(QPainter::Antialiasing, true);
|
||
|
|
|
||
|
|
drawBg(&painter);
|
||
|
|
drawSlider(&painter);
|
||
|
|
}
|
||
|
|
|
||
|
|
void CycleLabel::setSize(QSize size)
|
||
|
|
{
|
||
|
|
m_width = size.width();
|
||
|
|
m_height = size.height();
|
||
|
|
setFixedSize(size);
|
||
|
|
repaint();
|
||
|
|
}
|
||
|
|
|
||
|
|
void CycleLabel::drawBg(QPainter *painter)
|
||
|
|
{
|
||
|
|
painter->save();
|
||
|
|
|
||
|
|
if (!checked){
|
||
|
|
painter->setPen(QColor(0,0,0,66));
|
||
|
|
painter->setBrush(QColor(0,0,0,66));
|
||
|
|
}
|
||
|
|
else{
|
||
|
|
painter->setPen(Qt::NoPen);
|
||
|
|
painter->setBrush(bgColorOn);
|
||
|
|
}
|
||
|
|
|
||
|
|
//circle in
|
||
|
|
QRect rect(0, 0, width(), height());
|
||
|
|
//半径为高度的一半
|
||
|
|
int radius = rect.height() / 2;
|
||
|
|
//圆的宽度为高度
|
||
|
|
int circleWidth = rect.height();
|
||
|
|
|
||
|
|
QPainterPath path;
|
||
|
|
path.moveTo(radius, rect.left());
|
||
|
|
path.arcTo(QRectF(rect.left(), rect.top(), circleWidth, circleWidth), 90, 180);
|
||
|
|
path.lineTo(rect.width() - radius, rect.height());
|
||
|
|
path.arcTo(QRectF(rect.width() - rect.height(), rect.top(), circleWidth, circleWidth), 270, 180);
|
||
|
|
path.lineTo(radius, rect.top());
|
||
|
|
|
||
|
|
painter->drawPath(path);
|
||
|
|
|
||
|
|
painter->restore();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void CycleLabel::drawSlider(QPainter *painter){
|
||
|
|
painter->save();
|
||
|
|
painter->setPen(Qt::NoPen);
|
||
|
|
|
||
|
|
painter->setBrush(QColor("#ffffff"));
|
||
|
|
|
||
|
|
//circle in
|
||
|
|
QRect rect(0, 0, m_width, m_height);
|
||
|
|
int sliderWidth = m_width/2;
|
||
|
|
QRect sliderRect(sliderWidth/2, sliderWidth/2, sliderWidth, sliderWidth);
|
||
|
|
painter->drawEllipse(sliderRect);
|
||
|
|
|
||
|
|
painter->restore();
|
||
|
|
}
|
||
|
|
|
||
|
|
|