David Boddie wrote:
You now have 2 Options:
1) Call QApplication::processEvents (IIRC that was the name of the
function) after setting the text. This makes Qt process any pending
events (like the redraw of the label) and then returning to your
code-part, AFAIK.
Yes, this works quite well. However, it still doesn't solve the problem
of long delays if "apt-get" takes a long time to finish. There's a way
to fix this that _shouldn't_ be too hard (see option 3).
Cool that you posted this right now, because I did use the processEvents
and it did the job for the 'apt-get update' since that's a fairly quick
process. But I have spent the last couple of hours reasearching other
ways to do it for apt operations that takes conciderably more time. And
for that a simple 'Pleae wait' message dosen't cut it since it will look
like it has crashed. So I have played around with redirecting stdin/
stdou without getting much wiser... so far ;)
3) Run "apt-get update" in another process, using either QProcess or
a Python standard library module. QProcess will execute a command
with arguments, and lets you read the output and errors as they
become available. There are ways of monitoring the command's
status and collecting the output.
One of the easiest ways to use QProcess in this way is to do something like
the following. (Note: this is untested.)
Interesting. Will toss it around for a bit and see what I can make of
it... if anything. I'm still on very thin ice every time I try something
new. But that's paty of the fun, right? :)
Tina
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