loadingwidget.cpp

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#include "loadingwidget.h"
#include "ui_loadingwidget.h"
 
LoadingWidget::LoadingWidget(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::LoadingWidget)
{
    ui->setupUi(this);
    counter=0;
 
    setWindowFlags(Qt::FramelessWindowHint | Qt::Dialog);
    setAttribute(Qt::WA_TranslucentBackground);
 
    setModal(true);
 
 
    splashTimer.setInterval(50);
    splashTimer.setSingleShot(false);
    connect(&splashTimer,SIGNAL(timeout()),this,SLOT(onSplashTimer()),Qt::DirectConnection);
}
 
LoadingWidget::~LoadingWidget()
{
    delete ui;
}
 
 
void LoadingWidget::onSplashTimer()
{
    QString name = QString(":/images/splash/bg%1.png").arg(counter+1);
    counter++;
    counter = counter % 8;
    ui->loadingIco->setPixmap(QPixmap(name));
    ui->loadingIco->repaint();
}
 
 
int LoadingWidget::start()
{
    mutex.lock();
    splashTimer.start();
    QWidget *w  =((QWidget*)parent());
    int x = w->x() + ((w->width() - width()) / 2);
    int y = w->y() + ((w->height() - height()) / 2);
    this->setGeometry(x,y,width(),height());
    mutex.unlock();
    return exec();
}
 
void LoadingWidget::stop()
{
    mutex.lock();
    splashTimer.stop();
    mutex.unlock();
}