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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
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+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
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+**
+** GNU Lesser General Public License Usage
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+**
+** In addition, as a special exception, Nokia gives you certain additional
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+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+ \page widgets-and-layouts.html
+ \title Widgets and Layouts
+
+ \ingroup frameworks-technologies
+
+ \nextpage Widget Classes
+
+ The primary elements for designing user interfaces in Qt are widgets and layouts.
+
+ \section1 Widgets
+
+ \l{Widget Classes}{Widgets} can display data and status information, receive
+ user input, and provide a container for other widgets that should be grouped
+ together. A widget that is not embedded in a parent widget is called a
+ \l{Application Windows and Dialogs}{window}.
+
+ \image parent-child-widgets.png A parent widget containing various child widgets.
+
+ The QWidget class provides the basic capability to render to the screen, and to
+ handle user input events. All UI elements that Qt provides are either subclasses
+ of QWidget, or are used in connection with a QWidget subclass. Creating custom
+ widgets is done by subclassing QWidget or a suitable subclass and reimplementing
+ the virtual event handlers.
+
+ \section1 Layouts
+
+ \l{Layout Management}{Layouts} are an elegant and flexible way to automatically
+ arrange child widgets within their container. Each widget reports its size requirements
+ to the layout through the \l{QWidget::}{sizeHint} and \l{QWidget::}{sizePolicy}
+ properties, and the layout distributes the available space accordingly.
+
+ \table
+ \row
+ \o \image qgridlayout-with-5-children.png
+ \o \image qformlayout-with-6-children.png
+ \endtable
+
+ \l{Qt Designer Manual}{\QD} is a powerful tool for interactively creating and
+ arranging widgets in layouts.
+
+ \section1 Widget Styles
+
+ \l{Implementing Styles and Style Aware Widgets}{Styles} draw on behalf of widgets
+ and encapsulate the look and feel of a GUI. Qt's built-in widgets use the QStyle
+ class to perform nearly all of their drawing, ensuring that they look exactly like
+ the equivalent native widgets.
+
+ \table
+ \row
+ \o \image windowsxp-tabwidget.png
+ \o \image plastique-tabwidget.png
+ \o \image macintosh-tabwidget.png
+ \endtable
+
+ \l{Qt Style Sheets} are a powerful mechanism that allows you to customize the
+ appearance of widgets, in addition to what is already possible by subclassing QStyle.
+*/
+
+/*!
+ \page widget-classes.html
+ \title Widget Classes
+
+ \contentspage Widgets and Layouts
+ \nextpage Layout Management
+
+ Below you find a list of all widget classes in Qt. You can also browse the
+ widget classes Qt provides in the various supported styles in the
+ \l{Qt Widget Gallery}.
+
+ \tableofcontents
+
+ \section1 Basic Widgets
+
+ These basic widgets (controls), such as buttons, comboboxes and scroll bars, are
+ designed for direct use.
+
+ \table
+ \row
+ \o \image windows-label.png
+ \o \image windowsvista-pushbutton.png
+ \o \image gtk-progressbar.png
+ \row
+ \o \image plastique-combobox.png
+ \o \image macintosh-radiobutton.png
+ \o \image cde-lineedit.png
+ \endtable
+
+ \annotatedlist basicwidgets
+
+ \section1 Advanced Widgets
+
+ Advanced GUI widgets such as tab widgets and progress bars provide more
+ complex user interface controls.
+
+ \table
+ \row
+ \o \image windowsxp-treeview.png
+ \o \image gtk-calendarwidget.png
+ \o \image qundoview.png
+ \endtable
+
+ \annotatedlist advanced
+
+ \table
+ \row
+ \o \image windowsvista-tabwidget.png
+ \o \image macintosh-groupbox.png
+ \endtable
+
+ \section1 Organizer Widgets
+
+ Classes like splitters, tab bars, button groups, etc are used to
+ organize and group GUI primitives into more complex applications or
+ dialogs.
+
+ \annotatedlist organizers
+
+ \section1 Abstract Widget Classes
+
+ Abstract widget classes usable through subclassing. They are generally
+ not usable in themselves, but provide functionality that can be used
+ by inheriting these classes.
+
+ \annotatedlist abstractwidgets
+*/
+
+/*!
+ \group advanced
+ \title Advanced Widgets
+*/
+
+/*!
+ \group abstractwidgets
+ \title Abstract Widget Classes
+*/
+
+/*!
+ \group basicwidgets
+ \title Basic Widgets
+*/
+
+/*!
+ \group organizers
+ \title Organizers
+*/