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Programming Language Support
The Qt API is implemented in C++, and provides additional features for easier cross-platform development. Bindings exist for several other languages, including Ada, Pascal, Perl, PHP, Ruby, Python and Java™.
Qt for C++ Development
Qt provides an intuitive C++ class library with a rich set of application build blocks for C++ development. Qt goes beyond C++ in the areas of inter-object communication and flexibility for advanced GUI development. Qt adds the following features to C++:
- Powerful mechanism for inter-object communication called signals and slots
- Queryable and designable object properties
- Powerful events and events filters
- Contextual string translation for internationalization
- Sophisticated interval driven timers that make it possible to elegantly integrate many tasks in an event-driven GUI
- Hierarchical and queryable object trees that organize object ownership in a natural way
- Guarded pointers that are automatically set to 0 when the referenced object is destroyed, unlike normal C++ pointers which become dangling pointers when their objects are destroyed
- A dynamic cast that works across library boundaries.
Additional Language Bindings
Qt bindings exist for several other languages. These bindings are
projects developed and maintained among the free software community,
and are not officially supported by Qt Software.
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Qt Jambi – Qt bindings to the Java programming language – has been discontinued in order to focus resources on the Qt cross
platform application and UI framework. Qt Jambi will be maintained by Qt Software until May 2010, and is available for download under the LGPL v2.1 license at http://qtsoftware.com/downloads.
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