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Qt Demonstrations

This is the list of demonstrations in Qt's demos directory. These are larger and more complicated programs than the Qt Examples and are used to highlight certain features of Qt. You can launch any of these programs from the Examples and Demos Launcher application.

If you are new to Qt, and want to start developing applications, you should probably start by going through the Tutorials.

Painting

Composition Modes demonstrates the range of composition modes available with Qt.
Vector Deformation demonstrates effects that are made possible with a vector-oriented paint engine.
Gradients shows the different types of gradients that are available in Qt.
Path Stroking shows Qt's built-in dash patterns and shows how custom patterns can be used to extend the range of available patterns.
Affine Transformations demonstrates the different affine transformations that can be used to influence painting operations.
Arthur Plugin shows the widgets from the other painting demos packaged as a custom widget plugin for Qt Designer.

Item Views

Interview shows the same model and selection being shared between three different views.
Spreadsheet demonstrates the use of a table view as a spreadsheet, using custom delegates to render each item according to the type of data it contains.

SQL

Books shows how Qt's SQL support and model/view integration enables the user to modify the contents of a database without requiring knowledge of SQL.
SQL Browser demonstrates a console for executing SQL statements on a live database and provides a data browser for interactively visualizing the results.

Rich Text

Text Edit shows Qt's rich text editing features and provides an environment for experimenting with them.

Main Window

Main Window shows Qt's extensive support for main window features, such as tool bars, dock windows, and menus.
Mac Main Window shows how to create main window applications that has the same appearance as other Mac OS X applications.

Graphics View

40000 Chips uses the Graphics View framework to efficiently display a large number of individual graphical items on a scrolling canvas, highlighting features such as rotation, zooming, level of detail control, and item selection.
Embedded Dialogs showcases Qt 4.4's Widgets on the Canvas feature by embedding a multitude of fully-working dialogs into a scene.

Tools

Undo Framework demonstrates how Qt's undo framework is used to provide advanced undo/redo functionality.

QtWebKit

Web Browser demonstrates how Qt's WebKit module can be used to implement a small Web browser.

Phonon

Media Player demonstrates how the Phonon Module can be used to implement a basic media player application.

Note: The Phonon demos are currently not available for the MinGW platform.

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