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//***********************************************************************************************
//* This code was shamelessly copied from the Qt Centre forums:
//* http://www.qtcentre.org/threads/56737-Implementing-fade-in-fade-out-for-a-modal-QDialog
//***********************************************************************************************
#include "faderdialog.h"
FaderDialog::FaderDialog( QWidget * parent ) : QDialog( parent ), mResult( 0 ) {
setWindowFlags(Qt::SplashScreen);
layout = new QVBoxLayout();
text = new QLabel();
layout->addWidget(text);
setLayout(layout);
// Create the fade-in / fade-out animators
mpFadeIn = new QPropertyAnimation( this, "windowOpacity" );
mpFadeIn->setDuration( 2000 );
mpFadeIn->setStartValue( 0.0 );
mpFadeIn->setEndValue( 1.0 );
mpFadeOut = new QPropertyAnimation( this, "windowOpacity" );
mpFadeOut->setDuration( 2000 );
mpFadeOut->setStartValue( 1.0 );
mpFadeOut->setEndValue( 0.0 );
connect( mpFadeIn, SIGNAL(finished()), this, SLOT(done()));
connect( mpFadeOut, SIGNAL( finished() ), this, SLOT( onFadeOutFinished() ) );
}
void FaderDialog::setText(QString value) {
this->text->setText(value);
}
void FaderDialog::showEvent( QShowEvent * )
{
mpFadeIn->start();
}
void FaderDialog::done() {
this->done(0);
}
void FaderDialog::done( int result )
{
mResult = result; // remember the result in a member variable
mpFadeOut->start();
}
void FaderDialog::onFadeOutFinished()
{
QDialog::done( mResult ); // now call the real done() slot
}
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