void GpsSnrWidget::resizeEvent(QResizeEvent *event)
{
Q_UNUSED(event);
scene->setSceneRect(0, 0, this->viewport()->width(), this->viewport()->height());
for (int index = 0; index < MAX_SATTELITES; index++) {
drawSat(index);
}
}
void GpsElevationAzimuthDisplay::paintEvent( QPaintEvent *event )
{
// Call paint method from QFrame otherwise the frame is not drawn.
QFrame::paintEvent( event );
QPainter p(this);
QFont f = font();
#ifdef ANDROID
f.setPointSize(6);
#else
f.setPixelSize(12);
#endif
p.setFont(f);
// copy background to widget
p.drawPixmap ( contentsRect().left(), contentsRect().top(), background,
0, 0, background.width(), background.height() );
// draw satellites
if( sats.count() )
{
for( int i = 0; i < sats.count(); i++ )
{
drawSat( &p, sats.at( i ) );
}
}
else
{
QString text( tr("No Data") );
QRect rect = p.fontMetrics().boundingRect( text );
int w = rect.width();
int h = rect.height();
p.fillRect( center.x() - w / 2,
center.y() - h / 2,
w,
h,
palette().color(QPalette::Window) );
p.drawText( center.x() - w / 2,
center.y() - h / 2,
w,
h,
Qt::AlignCenter,
text );
}
}
void GpsSnrWidget::updateSat(int index, int prn, int elevation, int azimuth, int snr)
{
if (index >= MAX_SATTELITES) {
// A bit of error checking never hurts.
return;
}
// TODO: add range checking
satellites[index][0] = prn;
satellites[index][1] = elevation;
satellites[index][2] = azimuth;
satellites[index][3] = snr;
drawSat(index);
}
void GpsSnrDisplay::paintEvent( QPaintEvent *event )
{
// Call paint method from QFrame otherwise the frame is not drawn.
QFrame::paintEvent( event );
QPainter pw(this);
pw.fillRect( xoff, yoff, width, height, palette().color(QPalette::Window) );
// draw satellites
if( sats.count() )
{
for (int i=0; i < sats.count(); i++)
{
drawSat(&pw, i, sats.count(), sats.at(i));
}
}
else
{
QFont f = font();
#ifdef ANDROID
f.setPointSize(6);
#else
f.setPixelSize(12);
#endif
pw.setFont(f);
pw.fillRect( center.x()-23, center.y()-7, 46, 14, palette().color(QPalette::Window) );
QString text = tr("No Data");
QFontMetrics fm( font() );
int w = fm.width( text );
int h = fm.height();
pw.drawText( center.x() - w / 2, center.y() + h / 2, text );
}
}
