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 Post subject: Emulating OOP
PostPosted: Sat Oct 07, 2006 6:07 pm 

Joined: Sat Oct 07, 2006 6:04 pm
Posts: 1
I'm totally new to the world of GTK+ coming from Windows and MFC...

Why does GTK+ appear to use a C style approach to supporting OOP??? It's fine and all (although i prefer actual objects) what was the reasoning?

Speed? Compiler support? what...?

Just curious...I'm reading the very well written docs on the entire system and how glib, gdk, GTK+, etc all work togather...although it's not exactly clearn how everything sounds quite impressive and interesting...

Cheers :)

 Post subject:
PostPosted: Sun Oct 08, 2006 3:05 am 
Never Seen the Sunlight

Joined: Wed Sep 21, 2005 3:07 am
Posts: 384
Location: Fairfax, Virginia
It would take a long time to explain that, but the short answer is that one of the goals was to be able to wrap GTK+ and its supporting libraries easily with other languages. GObject is very convoluted, but it is an extensible system.

The other thing is that the system supports true object orientation in C, including polymorphism, data hiding (to the extent allowed by the language), inheritance, etc. And yes, it is very fast. I would recommend you check out an excellent tutorial by Mathieu Lacage, located at It's long and involved, but it is very informative.

If you have any questions as you go along working with GTK+, I try and keep up with these forums, even though they are not very active.

Also, I would like to shamelessly plug my book, [i]Foundations of GTK+ Development[i]. More information can be found at Unfortunately, it will not be available until March 5, 2007, but it is available for preorder from I am also willing to answer any questions you might have if I can. Good luck! :)

Andrew Krause

Foundations of GTK+ Development: Buy now for only $31.49!

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