Focus stealing progress dialog

Perdrix

I have a progress dialogue as shown above. Whenever it updates its contents, it steals Focus which is most anti-social.

I changed the code to add:

	//
	// Set the window so that it does not take focus
	// 
	setAttribute(Qt::WA_ShowWithoutActivating);

as it appeared that this might prevent that happening, but unfortunately it still misbehaves.

What do I need to change to stop this focus thief :)?

Thanks
David

SGaist

Hi,

You seem to have multiple progress bars so likely a custom dialog, am I correct ?
Do you update only the progress bar or is something else happening ?
Did you made Cancel the default button ?

Perdrix

Yes, very much a custom dialogue. And yes, the Cancel button has the "autoDefault" attribute set. The code that updates the progress bars is driven by two member functions, Progress1, and Progress2:

void ProgressDlg::Progress1(const QString& text, int achieved)
{
	QMetaObject::invokeMethod(this, "slotProgress1", Qt::AutoConnection,
		Q_ARG(const QString&, text),
		Q_ARG(int, achieved));
}

void ProgressDlg::Progress2(const QString& text, int achieved)
{
	QMetaObject::invokeMethod(this, "slotProgress2", Qt::AutoConnection,
		Q_ARG(const QString&, text),
		Q_ARG(int, achieved));
}

which can be driven from non-UI threads. Those slots just do some book-keeping, update the text fields and the sliders, and finally invoke QCoreApplication::processEvents(); which I am told was found necessary to ensure the progress dialogue was updated properly (no I didn't write this code). They do call raise(), but do not call (e.g.) setFocus(). The only time setFocus() is used is when the dialogue is initially created.

SGaist

Would it be possible to share the implementation of the dialog ?

Perdrix

@SGaist Certainly:
https://www.dropbox.com/scl/fo/yzyyeijwip3pil9poly4p/ALZGlamwAtpuC5NrqMfkTUg?rlkey=4r29ofptuf5zzqdia027av71s&dl=1

PS Removing autoDefault from the Cancel button changed nothing.
PPS Same problem on both Windows and macOS
PPPS If a shared debug session would help you will be welcome to connect to my system using e.g. Chrome Remote Desktop

SGaist

Nothing obvious jumps to my eyes.

Would it be possible to have the same dialog but buildable so I can test it on my machine ?

Perdrix

I thought that I had sent you enough to build it - with judicious removal of pch,h and adding includes for Qt and stdlib stuff.