Use app::processEvents, Luke! That was Joke, bug - if your C++ plugin takes a lot time to perform your slot, you should use multithreading.
BR, Roman 2013/10/9 Alejandro J. Cura <alejandro.c...@canonical.com> > On Wed, Oct 9, 2013 at 1:30 PM, Victor Palau <victor.pa...@canonical.com> > wrote: > > Hi, > > > > I was playing with building a C++ component that have a slot. Have a UI > in > > QML that has a button. The button I have connected the button onclicked > > signal with the C++ component slot, so when I clicked the button, the C++ > > object does its magic. This all works, but the UI freezes as soon as I do > > this. > > > > I thought that signals and slots were async so that shouldnt happen. Any > > thoughts? > > What is the C++ code doing? > > If the C++ code is cpu-intensive, then the UI will get blocked, and > you'll need to run it in a thread. > Here's how to show a busy indicator while the thread runs, and how to > hide it when it's done: > http://stackoverflow.com/questions/12071021/qml-and-qthread-multithreading > > cheers, > -- > alecu > > -- > Mailing list: https://launchpad.net/~ubuntu-phone > Post to : ubuntu-phone@lists.launchpad.net > Unsubscribe : https://launchpad.net/~ubuntu-phone > More help : https://help.launchpad.net/ListHelp >
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