Good day everyone, *What I'm trying to do:*
Display some sort of "Loading" or "Busy" message while executing a
recursive function of unknown depth (GUI app front end).
*
What I've tried:*
Various attempts at using QMovie, QProgressBar, QDialog, QProgressDialog,
etc. No luck to date.
*
The relevant code snippet:*
QLabel *progress = new QLabel( "Loading..." );
progress->setWindowFlags( Qt::Popup );
progress->move( window()->frameGeometry().topLeft() +
window()->rect().center() /*- progress->rect().center()*/ );
progress->show();
if( !GCDataBaseInterface::instance()->batchProcessDOMDocument( m_domDoc ) )
{
showErrorMessageBox( GCDataBaseInterface::instance()->getLastError() );
}
else
{
processDOMDoc();
}
delete progress;
*What it does:
*Both batchProcessDOMDocument as well as processDOMDoc are recursive
function calls. The first traverses the DOM in order to update a database,
the second updates the GUI's tree widget. Although the above code does
display a label outline, try as I might, I cannot get it to display any
text (please see attached).
I'll be satisfied with even a simple label stating the obvious:
"Loading..." message. Currently, there is no way for the end user to know
that the GUI has not frozen and I have run out of ideas.
Any help will be greatly appreciated.
Regards,
William
<<attachment: Label.PNG>>
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