Kontron KTAM3874-pITX - Manual (Page 205)

KTD-S0057-I Page 201 Linux® Programming Examples (DebianTM)
KTAM3874/pITX Software Guide
void MainWindow::setPixmap (const QPixmap &pixmap)
{
pixmapLabel->setPixmap
(pixmap);
QSize size = pixmap.size ();
if (size - QSize (1, 0) == pixmapLabelArea->maximumViewportSize ())
size -= QSize (1, 0);
pixmapLabel->resize (size);
}
QSize MainWindow::getSize ()
{
bool
ok;
QString text = QInputDialog::getText (this, tr ("Grabber"), tr ("Enter pixmap size:"),
QLineEdit::Normal, tr ("%1 x %2").arg (glWidget->width ()).arg (glWidget->height ()), &ok);
if (! ok)
return QSize ();
QRegExp regExp (tr ("([0-9]+) *x *([0-9]+)"));
if (regExp.exactMatch (text))
{
int width = regExp.cap (1).toInt ();
int height = regExp.cap (2).toInt ();
if (width > 0 && width < 2048 && height > 0 && height < 2048)
return QSize (width, height);
}
return glWidget->size ();
}
Finally, for a change, the Guide now presents a self-created Qt TM sample program which shows a calendar
with date display in plain text and a clock widget with hour/minute display. The graphic surface has been
made with the Qt Designer. If on the Desktop PC the Designer is not already installed use the command line
sudo apt-get install qt4-designer
and then call designer . The first variant applies the Dialog with Buttons Bottom template. The figure shows
further details (without assignment of a layout).