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169.

Several other packages might be necessary depending on your needs. For example, if you want to create database applications, then libqt4-sql-psql, libqt4-sql-mysql, and libqt4-sql-sqlite will allow you to connect to a <trademark>PostgreSQL</trademark>, <trademark>MySQL</trademark> or <trademark>SQLite3</trademark> database, respectively. Also consider qt4-demos, libqt4-dbg, libqt4-network, libqt4-script, libqt4-xml, python-qt4 (<trademark>Python</trademark> bindings), and libqt4-webkit.

170.

One can also create <application>Qt</application> applications using just Qt-Designer, the Assistant, and the Linguist, by installing all of the 6 necessary packages listed above except for qtcreator, which can be replaced using <application>Kate</application> or your favorite text editor. In this case one runs the Qt-Designer to create the graphical user interfaces independent of the text editor used.

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<trademark>Qt</trademark> Designer

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The Designer is the graphical user interface (<acronym>GUI</acronym>) designing tool for graphical applications written using the <application>Qt</application> toolkit. <application>Qt</application> provides the building blocks &mdash; a broad set of customizable widgets, graphics canvas, style engine, and more that you need to build modern user interfaces. You can incorporate 3D graphics, multimedia audio or video, visual effects, and animations into your projects. <application>Qt</application>'s integration with the <trademark>WebKit</trademark> web rendering engine means that one can quickly incorporate content and services from the web into their native application, and can use the web environment to deliver their services and functionality.

173.

<trademark>Qt</trademark> Linguist

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The Linguist is <application>Qt</application>'s i18n tool (the word "internationalization" has 18 letters between its first and last letter). It allows for easy creation of translation files which are used with the translate (tr()) function to allow the text displayed by an application to be localized to the language of the user.

175.

<trademark>Qt</trademark> Assistant

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The Assistant is <application>Qt</application>'s Application Programming Interface (<acronym>API</acronym>) with world class documentation for <application>Qt</application>. It deals with more than just <application>Qt</application>'s tools and classes. The <acronym>API</acronym> for any release of <application>Qt</application>, its tools and addons can be found <ulink url="http://doc.qt.nokia.com">here</ulink>. It includes the following: Class index, Function index, Modules, Namespaces, Global Declarations, and the elements of the new declarative tool <trademark>QML</trademark>.

177.

Other <application>Qt</application><acronym>API</acronym> Topics are: Programming with <application>Qt</application>, Device <acronym>UI</acronym>'s and <application>Qt</application> Quick, <acronym>UI</acronym> Design with <application>Qt</application>, Cross-platform and Platform-specific info, <application>Qt</application> and Key Technologies, and How-To's and Best Practices. Several dozen examples are documented. The Assistant also includes tutorials, demos and <trademark>QML</trademark> examples.

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QtCreator