49 lines
1.0 KiB
C++
49 lines
1.0 KiB
C++
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#include "loading_widget.h"
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#include <QDebug>
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#include <QPainter>
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LoadingAnimationWidget::LoadingAnimationWidget(QWidget *parent) :
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QWidget(parent),
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m_rotate(false),
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m_timer(nullptr),
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m_pixmap(nullptr)
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{
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m_timer = new QTimer(this);
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qDebug()<<"LoadingAnimationWidget";
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connect(m_timer,SIGNAL(timeout()),this,SLOT(timerout()));
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}
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void LoadingAnimationWidget::SetPixmap(QPixmap *p)
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{
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connect(m_timer,SIGNAL(timeout()),this,SLOT(timerout()));
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m_timer->setInterval(100);
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m_timer->start(40);
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m_pixmap = p;
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}
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void LoadingAnimationWidget::timerout()
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{
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m_rotate =true;
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update();
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}
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void LoadingAnimationWidget::paintEvent(QPaintEvent *)
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{
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static int rotate = 0;
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing,true);
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painter.translate(width()/2,height()/2);
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if(m_rotate)
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{
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rotate = (rotate+5)%360;
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m_rotate =false;
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}
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painter.rotate(rotate);
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if(nullptr != m_pixmap)
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painter.drawPixmap(-m_pixmap->width()/2,-m_pixmap->height()/2,*m_pixmap);
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}
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