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Fundamentals of Qt - Objects in Qt, part 3/3 - Sometimes signals are not enough…
Unfortunately some of the videos are at the moment unavailable. We are working on fixing the problem
Agenda and learning objectives:
- How does Qt process events?
- Event handling in your application
- Events demo - using events to intercept closing application windows
- Events and signals compared

7 comments
May 18, 2012
Lab Rat
I’ve tried this tutorial, but I wasn’t able to get the closeEvent() to catch the click on the close button. I had to call setWindowModified(true) from the constructor in order for it to work.
This was not mentioned in the tutorial at all.
June 15, 2012
Lab Rat
for studying
July 25, 2012
Lab Rat
What is “isWindowModified” condition?
August 28, 2012
Lab Rat
@mbadawi23: actually it was set in the tutorial too. check git://gist.github.com/3496995.git for full source code.
@Trimax: see http://qt-project.org/doc/qt-4.8/qwidget.html#windowModified-prop
September 1, 2012
Lab Rat
@juhon: thanks
December 26, 2012
Lab Rat
Short but useful introduction about Qt… Thank Mirko
March 7, 2013
Lab Rat
Hello, I tried to see this videos in IE 32, IE 64, Firefox, Chrome and couldn’t. Is there other way to see it? Regards.