Fix linking in painting, richtext and desktop examples

Change-Id: If08b2c3366610f74201ab6736f216f1a7d29b3c7
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>

examples/widgets/doc/src/affine.qdoc

@@ -28,6 +28,8 @@
 /*!
     \example painting/affine
     \title Affine Transformations
+    \ingroup examples-painting
+    \brief Demonstrates how affine transformations in QPainter works.
 
     \brief In this example we show Qt's ability to perform affine transformations
     on painting operations.

examples/widgets/doc/src/basicdrawing.qdoc

@@ -28,6 +28,10 @@
 /*!
     \example painting/basicdrawing
     \title Basic Drawing Example
+    \ingroup examples-painting
+    \brief The Basic Drawing example shows how to display basic
+    graphics primitives in a variety of styles using the QPainter
+    class.
 
     \brief The Basic Drawing example shows how to display basic graphics
     primitives in a variety of styles using the QPainter class.

examples/widgets/doc/src/calendar.qdoc

@@ -28,6 +28,9 @@
 /*!
     \example richtext/calendar
     \title Calendar Example
+    \ingroup examples-richtext
+    \brief The Calendar example shows how to create rich text content
+    and display it using a rich text editor.
 
     \brief The Calendar example shows how to create rich text content and display it using
     a rich text editor.

examples/widgets/doc/src/calendarwidget.qdoc

@@ -29,7 +29,7 @@
     \title Calendar Widget Example
     \example widgets/calendarwidget
     \ingroup examples-widgets
-    \brief The Calendar Widget example shows use of \c QCalendarWidget.
+    \brief The Calendar Widget example shows use of QCalendarWidget.
 
     \image calendarwidgetexample.png
 

examples/widgets/doc/src/composition.qdoc

@@ -28,6 +28,8 @@
 /*!
     \example painting/composition
     \title Composition Modes
+    \ingroup examples-painting
+    \brief Demonstrates how Composition Modes work in QPainter.
 
     \brief This demo shows some of the more advanced composition modes supported by Qt.
 

examples/widgets/doc/src/concentriccircles.qdoc

@@ -28,6 +28,8 @@
 /*!
     \example painting/concentriccircles
     \title Concentric Circles Example
+    \ingroup examples-painting
+    \brief Demonstrates the improved quality that antialiasing and floating point precision gives.
 
     \brief The Concentric Circles example shows the improved rendering
     quality that can be obtained using floating point precision and

examples/widgets/doc/src/deform.qdoc

@@ -28,6 +28,8 @@
 /*!
     \example painting/deform
     \title Vector Deformation
+    \ingroup examples-painting
+    \brief Demonstrates how to manipulate the elements of a QPainterPath.
 
     \brief This example shows how to use advanced vector techniques to draw text
     using a \c QPainterPath.

examples/widgets/doc/src/fontsampler.qdoc

@@ -28,8 +28,10 @@
 /*!
   \example painting/fontsampler
   \title Font Sampler Example
-
+  \ingroup examples-painting
   \brief The Font Sampler example shows how to preview and print multi-page documents.
+  
+  The Font Sampler example shows how to preview and print multi-page documents.
 
   \image fontsampler-example.png
 */

examples/widgets/doc/src/gradients.qdoc

@@ -28,6 +28,8 @@
 /*!
     \example painting/gradients
     \title Gradients
+    \ingroup examples-painting
+    \brief Shows how gradients can be used with QPainter.
 
     \brief In this example we show the various types of gradients that can
     be used in Qt.

examples/widgets/doc/src/imagecomposition.qdoc

@@ -28,6 +28,8 @@
 /*!
     \example painting/imagecomposition
     \title Image Composition Example
+    \ingroup examples-painting
+    \brief Shows how composition modes work in QPainter.
 
     \brief The Image Composition example lets the user combine images
     together using any composition mode supported by QPainter, described

examples/widgets/doc/src/orderform.qdoc

@@ -28,6 +28,10 @@
 /*!
     \example richtext/orderform
     \title Order Form Example
+    \ingroup examples-richtext
+    \brief The Order Form example shows how to generate rich text
+    documents by combining a simple template with data input by the
+    user in a dialog.
 
     \brief The Order Form example shows how to generate rich text documents by
     combining a simple template with data input by the user in a dialog. Data

examples/widgets/doc/src/painterpaths.qdoc

@@ -28,6 +28,9 @@
 /*!
     \example painting/painterpaths
     \title Painter Paths Example
+    \ingroup examples-painting
+    \brief The Painter Paths example shows how painter paths can be
+    used to beuild complex shapes for rendering.
 
     \brief The Painter Paths example shows how painter paths can be used to
     build complex shapes for rendering.

examples/widgets/doc/src/pathstroke.qdoc

@@ -28,6 +28,9 @@
 /*!
     \example painting/pathstroke
     \title Path Stroking
+    \ingroup examples-painting
+    \brief The Path Stroking example shows various types of pens that
+    can be used with QPainter.
 
     \brief In this example we show some of the various types of pens that can be
     used in Qt.

examples/widgets/doc/src/screenshot.qdoc

@@ -28,6 +28,9 @@
 /*!
     \example desktop/screenshot
     \title Screenshot Example
+    \ingroup examples-desktop
+    \brief The Screenshot example shows how to take a screenshot of the
+    desktop.
 
     \brief The Screenshot example shows how to take a screenshot of the
     desktop using QApplication and QDesktopWidget. It also shows how

examples/widgets/doc/src/syntaxhighlighter.qdoc

@@ -28,6 +28,9 @@
 /*!
     \example richtext/syntaxhighlighter
     \title Syntax Highlighter Example
+    \group examples-richtext
+    \brief The Syntax Highligher example shows how to perform
+    simple syntax highlighing.
 
     \brief The Syntax Highlighter example shows how to perform simple syntax
     highlighting by subclassing the QSyntaxHighlighter class.

examples/widgets/doc/src/textedit.qdoc

@@ -28,6 +28,9 @@
 /*!
     \example richtext/textedit
     \title Text Edit
+    \ingroup examples-richtext
+    \brief The Text Edit example shows Qt's rich text editing facilities
+    in action.
 
     \brief The Text Edit example shows Qt's rich text editing facilities in action,
     providing an example document for you to experiment with.

examples/widgets/doc/src/transformations.qdoc

@@ -28,6 +28,9 @@
 /*!
     \example painting/transformations
     \title Transformations Example
+    \ingroup examples-painting
+    \brief The Transformations example shows how transformations
+    influence the way that QPainter renders graphics primitives.
 
     \brief The Transformations example shows how transformations influence
     the way that QPainter renders graphics primitives. In particular

src/widgets/doc/src/qtwidgets-examples.qdoc

@@ -45,4 +45,59 @@
 
     \annotatedlist examples-widgets
 
-*/
+*/
+
+/*!
+    \page examples-painting.html
+    \ingroup all-examples
+    \title Painting Examples
+    \brief How to use the Qt painting system.
+    \group examples-painting
+
+    \image painting-examples.png
+
+    Qt's painting system is able to render vector graphics, images, and outline
+    font-based text with sub-pixel accuracy accuracy using anti-aliasing to
+    improve rendering quality.
+
+    These examples show the most common techniques that are used when painting
+    with Qt, from basic concepts such as drawing simple primitives to the use of
+    transformations.
+
+    \annotatedlist{painting-examples}
+*/
+
+/*!
+    \page examples-richtext.html
+    \ingroup all-examples
+    \title Rich Text Examples
+    \brief Using the document-oriented rich text engine.
+    \group examples-richtext
+
+    \image richtext-examples.png
+
+    Qt provides powerful document-oriented rich text engine that supports Unicode
+    and right-to-left scripts. Documents can be manipulated using a cursor-based
+    API, and their contents can be imported and exported as both HTML and in a
+    custom XML format.
+
+ */
+
+/*!
+    \page examples-desktop.html
+    \ingroup all-examples
+    \title Desktop Examples
+    \brief Integrating your Qt application with your favorite desktop.
+    \group examples-desktop
+
+    \image desktop-examples.png
+
+    Qt provides features to enable applications to integrate with the user's
+    preferred desktop environment.
+
+    Features such as system tray icons, access to the desktop widget, and
+    support for desktop services can be used to improve the appearance of
+    applications and take advantage of underlying desktop facilities.
+
+*/
+