97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
/*
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* Copyright (C) 2023, KylinSoft Co., Ltd.
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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, or (at your option)
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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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**/
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#include "cyclelabel.h"
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CycleLabel::CycleLabel(QWidget *parent)
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:QFrame(parent),
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m_width(20),
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m_height(20)
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{
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this->setFixedSize(QSize(m_width, m_height));
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setWindowFlags(Qt::FramelessWindowHint);
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setAttribute(Qt::WA_TranslucentBackground, true);
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}
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void CycleLabel::paintEvent(QPaintEvent *){
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//启用反锯齿
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing, true);
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drawBg(&painter);
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drawSlider(&painter);
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}
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void CycleLabel::setSize(QSize size)
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{
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m_width = size.width();
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m_height = size.height();
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setFixedSize(size);
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repaint();
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}
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void CycleLabel::drawBg(QPainter *painter)
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{
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painter->save();
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if (!checked){
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painter->setPen(QColor(0,0,0,66));
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painter->setBrush(QColor(0,0,0,66));
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}
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else{
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painter->setPen(Qt::NoPen);
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painter->setBrush(bgColorOn);
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}
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//circle in
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QRect rect(0, 0, width(), height());
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//半径为高度的一半
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int radius = rect.height() / 2;
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//圆的宽度为高度
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int circleWidth = rect.height();
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QPainterPath path;
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path.moveTo(radius, rect.left());
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path.arcTo(QRectF(rect.left(), rect.top(), circleWidth, circleWidth), 90, 180);
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path.lineTo(rect.width() - radius, rect.height());
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path.arcTo(QRectF(rect.width() - rect.height(), rect.top(), circleWidth, circleWidth), 270, 180);
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path.lineTo(radius, rect.top());
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painter->drawPath(path);
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painter->restore();
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}
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void CycleLabel::drawSlider(QPainter *painter){
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painter->save();
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painter->setPen(Qt::NoPen);
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painter->setBrush(QColor("#ffffff"));
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//circle in
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QRect rect(0, 0, m_width, m_height);
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int sliderWidth = m_width/2;
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QRect sliderRect(sliderWidth/2, sliderWidth/2, sliderWidth, sliderWidth);
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painter->drawEllipse(sliderRect);
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painter->restore();
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}
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