forked from openkylin/quarkai
96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*
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* Copyright (C) 2013 ~ 2015 National University of Defense Technology(NUDT) & Kylin Ltd.
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*
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* Authors:
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* Kobe Lee xiangli@ubuntukylin.com/kobe24_lixiang@126.com
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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; version 3.
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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 "shadowwidget.h"
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#include <QPainter>
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#include <QtMath>
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#include <QPen>
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ShadowWidget::ShadowWidget(QWidget *parent) :
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QWidget(parent)
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,widget_color(QColor("#fca71d"))
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{
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widget_opacity = 1;
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}
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void ShadowWidget::setOpacity(qreal opacity)
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{
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widget_opacity = opacity;
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update();
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}
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void ShadowWidget::mousePressEvent(QMouseEvent *event)
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{
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// if(event->button() == Qt::LeftButton)
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// {
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// m_mousePressed = true;
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// m_dragPosition = event->globalPos() - this->frameGeometry().topLeft();
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// event->accept();
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// }
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if(event->button() == Qt::LeftButton)
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{
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m_mousePressed = true;
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m_dragPosition = event->globalPos() - pos();
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}
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}
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void ShadowWidget::mouseReleaseEvent(QMouseEvent *)
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{
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m_mousePressed = false;
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setWindowOpacity(1);
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}
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void ShadowWidget::mouseMoveEvent(QMouseEvent *event)
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{
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if(m_mousePressed)
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{
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QPoint move_pos = event->globalPos();
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move(move_pos - m_dragPosition);
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setWindowOpacity(0.9);
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// event->accept();
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}
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}
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void ShadowWidget::paintEvent(QPaintEvent *)
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{
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// QPainter painter(this);
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// painter.setOpacity(widget_opacity);
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// painter.setBrush(widget_color);
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// painter.setPen(Qt::NoPen);
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// painter.drawRect(rect());
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QPainterPath path;
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path.setFillRule(Qt::WindingFill);
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path.addRect(10,10,this->width()-20,this->height()-20);
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing,true);
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painter.fillPath(path,QBrush(Qt::white));
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// QColor color(0,0,0,50);
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QColor color(widget_color);
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for(int i = 0 ; i < 10 ; ++i)
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{
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QPainterPath path;
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path.setFillRule(Qt::WindingFill);
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path.addRect(10-i,10-i,this->width()-(10-i)*2,this->height()-(10-i)*2);
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color.setAlpha(150 - qSqrt(i)*50);
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painter.setPen(color);
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painter.drawPath(path);
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}
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}
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