[Qt-interest] Book: C++ GUI Programming with Qt 4 (2nd ed.) online+free+legal

[Johannes Kleimola]

 >Hi, The book "C++ GUI Programming with Qt 4 (Second Edition)" by 
Jasmin Blanchette and Mark Summerfield is now available online in HTML 
format.

Very kind of you, thank you. Though, I bought the book as well, since 
it's nice to have it around where internet isn't (if you find such a place).

Anyway, I'm a newbie with Qt and still learning, but did I miss 
something or is there a small error on page 211, regarding member 
function void DiagramWindow::updateActions() ?  I had to add

bool isLink = (selectedLink() != 0);
to the top and change propertiesAction to
propertiesAction->setEnabled(isNode | isLink);
to make it work as expected. Is there an errata somewhere?

And Qt 4.6 seems to have dropped the default flag 
'ItemSendsGeometryChanges' for performance reasons, but that is another 
story..There are probably other changes from Qt 4.3 as well I haven't 
met yet.

  >> Johannes <<

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