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Qt ( " cute ", or unofficially as Q-T cue-tee ) is a cross-platform application framework that is widely used for developing application software with a graphical user interface ( GUI ) ( in which cases Qt is classified as a widget toolkit ), and also used for developing non-GUI programs such as command-line tools and consoles for servers.
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Qt and is
KDE software is based on the Qt framework.
Qt is most notably used in Autodesk Maya, The Foundry's Nuke, Adobe Photoshop Elements, Skype, VLC media player, VirtualBox, and Mathematica, and by the European Space Agency, DreamWorks, Google, HP, KDE, Lucasfilm, Panasonic, Philips, Samsung, Siemens, Volvo, Walt Disney Animation Studios and Research In Motion.
Distributed under the terms of the GNU Lesser General Public License ( among others ), Qt is free and open source software.
Qt is developed by an open source project, the Qt Project, involving developers as individuals and from firms working to advance Qt, such as Nokia, Digia, and others.
Qt is to replace Nokia's Avkon as the supported UI SDK for developing Symbian applications.
Qt is available under the following copyright licenses:
Qt Development Frameworks ( formerly known as Qt Software, Trolltech and as Quasar Technologies ) is an Oslo, Norway-based software company best known for its Qt toolkit and application framework.
Qt Development Frameworks is a wholly owned subsidiary of Nokia Corporation.
Its flagship product is Qt, a multi-platform Graphical User Interface ( GUI ) framework written in C ++.
Qt is popular with application developers using C ++ but is supported by bindings for other programming languages too, such as Python.
In 2001 Trolltech introduced Qtopia which is based on Qt.
* Symbian, which is moving towards Qt as the main development framework.
The Q Public License ( QPL ) is a non-copyleft license, created by Trolltech for its free edition of the Qt.
KDE, a desktop environment for Linux, is based on Qt.
Qt and cross-platform
In addition to the low-level Xlib library for developing X applications, Cygwin also ships with various higher-level and cross-platform GUI frameworks, including Gtk + and Qt.
Some open source cross-platform toolkits, such as GTK +, Qt and WxWidgets, include widgets to embed OpenGL contents.
* Qt ( framework ), a cross-platform application framework
The popular, Free, and cross-platform KDE desktop environment and software compilation uses Trolltech's Qt library.
A number of frameworks can build cross-platform applications for Linux, Macintosh, and Windows from the same source code, such as Qt, the widget toolkits wxWidgets, FOX toolkit, or Eclipse RCP.
Later versions incorporated Borland CLX, a cross-platform development visual component library based on Qt, that supports Windows and Linux, however CLX is now abandoned.
In January, 2011, a major release version 9. 0 features QtSpim that has a new user interface built on the cross-platform Qt UI framework and runs on Windows, Linux, and Mac OS X.
Applications written using a cross-platform library that has itself been ported to MinGW, such as SDL, wxWidgets, Qt, or GTK + will usually compile as easily in MinGW as they would in Cygwin.
PyQt is a Python binding of the cross-platform GUI toolkit Qt.
Lastly, interfaces to VRML for 3D visualizations, Qt and Tk widget toolkits are provided for building cross-platform graphical user interfaces.
* Phonon, a cross-platform multimedia framework from the Qt toolkit
* Qt, a cross-platform application development framework with similar features, can also foster GUI development.
While similar to generic cross-platform application frameworks like GTK +, Qt and wxWidgets, the intent is to provide a subset of cross-platform functionality suitable for building network applications like web browsers, leveraging the cross-platform functionality already built into the Gecko layout engine.
Qt support on S60 devices will likely lead to cross-platform application sharing between the two platforms.
Its graphical user interface builds upon the cross-platform Qt framework.
It is written in C ++ and uses the cross-platform Qt library for its GUI.
Qt and application
* Qt — An application framework and widget toolkit for Unix-like systems with X11, Microsoft Windows, Mac OS X, and other systems — available under both open source and proprietary licenses.
" This was shortly followed by the SL-5500 ; both used ' Embedix ' - an embedded version of the Linux operating system developed by Lineo-combined with Qtopia, the Qt toolkit-based embedded application environment developed by Trolltech.
Qt Extended ( named Qtopia before September 30, 2008 ) is an application platform for embedded Linux-based mobile computing devices such as personal digital assistants, video projectors and mobile phones.
It has the disadvantage that it loads the whole of the Qt framework, thereby increasing the memory footprint of an application.
As with all KDE applications, it is programmed using Trolltech's Qt widget-set, which provides the look and feel and controls for the application.
The Rockbox Utility is a free computer application, available for Linux, Mac OS X, and Microsoft Windows, built using Nokia Qt platform, that is used to install and manage Rockbox on DAPs.
SCIM can also be used to extend the input method interface of existing application toolkits, such as GTK + 2, Qt and clutter via IMmodules.
LDTP can test any accessibility-enabled GNOME application, Mozilla, OpenOffice, any Swing-based Java application and should be able to test Qt 4. 0-based KDE 4 applications in the future if a KDE press release is correct.
In January 2008, Nokia began the process of acquiring Trolltech, the developer of the Qt application framework.
During this first planning phase, the name KTooN was chosen for the software, the first interface designs for the application were made and the Qt library was selected as the main library for programming the software.
The graphical user interface for the application uses Qt library.
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