CSC220 C++Qt Crash Course

--D. Thiebaut 16:25, 2 December 2010 (UTC)

---

Page under construction!

This is Part 2 of a 2-lecture/lab introduction to C++ and GUI programming with Qt. Part 1 can be found here.

Main References

• Wikipedia Page on Qt

What is Qt?

• Qt is a cross-platform application framework

that is widely used for developing application software with graphical user interface (GUI) (in which case Qt is referred to as a widget toolkit when used as such)

• Qt uses standard C++

but makes extensive use of a special code generator (called the Meta Object Compiler, or moc)

• Qt can also be used in several other programming languages

via language bindings.

• It runs on all major platforms

• Non-GUI features include

• • SQL database access,

• • XML parsing,

• • thread management,

• • network support,

• • and a unified cross-platform API for file handling.

• GNU Lesser General Public License, Qt is free and open source

Platforms

• Linux/X11

• Mac OS X

• Windows

• Embedded Linux

• Windows CE / Mobile

• Symbian

(Nokia Devices)

• Maemo

External ports

Since Nokia opened the Qt source code to the community on Gitorious various ports have been appearing. Here are some of them:

• Qt for OpenSolaris

• Qt for Haiku – Qt for Haiku OS

• Qt for OS/2

• Qt-iPhone – Experimental

• Android-Lighthouse – Experimental

• Qt for webOS – Experimental

• Qt for Amazon Kindle DX – Experimental

• Qt for Wayland – Experimental

Language Bindings

• http://en.wikipedia.org/wiki/Qt_(framework)#Bindings

History

• Haavard Nord and Eirik Chambe-Eng started Qt in 1991.

• Headquaters in Oslo, Norway

• incorporated at TrollTech 3 years later

• Acquired by Nokia in 2008

____ ____

QtCreator

• Start Qt Creator

• IMPORTANT: Always remember to close a project before opening a new one!

• Try these examples:

</br>

• • WebKit/FancyBrowser

Qt includes a Web browser as a standard widget

Select the special effect (top menu) that rotates all images

</br>

</br>

</br>

Where to Continue From Here...