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GraphicsView: Fix Links (#8986) 

## Summary of Changes

Update the links for Qt classes from Qt5 to Qt6.

## Release Management

* Affected package(s): GraphicsView
* License and copyright ownership: unchanged
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Sebastien Loriot 2025-07-31 14:59:06 +02:00 committed by GitHub
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26
GraphicsView/doc/GraphicsView/GraphicsView.txt
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@ -8,17 +8,17 @@ namespace CGAL {
\cgalAutoToc
\authors Andreas Fabri and Laurent Rineau
<A HREF="https://doc.qt.io/qt-5/">Qt</A> is a <span class="textsc">Gui</span> toolkit for
<A HREF="https://doc.qt.io/qt-6/">Qt</A> is a <span class="textsc">Gui</span> toolkit for
cross-platform application development.
\section GraphicsViewIntroduction Introduction
This chapter describes classes that help to visualize two dimensional \cgal objects
with the <A HREF="https://doc.qt.io/qt-5/graphicsview.html">Qt Graphics View Framework</A>.
with the <A HREF="https://doc.qt.io/qt-6/graphicsview.html">Qt Graphics View Framework</A>.
This framework uses the model view paradigm. <A HREF="https://doc.qt.io/qt-5/qgraphicsitem.html">`QGraphicsItem`</A>s are stored in a
<A HREF="https://doc.qt.io/qt-5/qgraphicsscene.html">`QGraphicsScene`</A>
and are displayed in a <A HREF="https://doc.qt.io/qt-5/qgraphicsview.html">`QGraphicsView`</A>. The items
This framework uses the model view paradigm. <A HREF="https://doc.qt.io/qt-6/qgraphicsitem.html">`QGraphicsItem`</A>s are stored in a
<A HREF="https://doc.qt.io/qt-6/qgraphicsscene.html">`QGraphicsScene`</A>
and are displayed in a <A HREF="https://doc.qt.io/qt-6/qgraphicsview.html">`QGraphicsView`</A>. The items
have a paint method which is called when an item is in the visible area of a view.
The framework is also responsible for dispatching events from the view
via the scene to the items. The framework is extensible in the sense
@ -50,14 +50,14 @@ classes that have to override member functions adhering to this naming scheme.
\section GraphicsViewOverall Overall Design
In \cgalFigureRef{graphicsviewuml} you see four classes depicted in grey,
that come from the %Qt Graphics View Framework. The <A HREF="https://doc.qt.io/qt-5/qgraphicsscene.html">`QGraphicsScene`</A>
contains <A HREF="https://doc.qt.io/qt-5/qgraphicsitem.html">`QGraphicsItem`</A>s, which get displayed in any number
of <A HREF="https://doc.qt.io/qt-5/qgraphicsview.html">`QGraphicsView`</A>s. The views are widgets, that is they take screen space
that come from the %Qt Graphics View Framework. The <A HREF="https://doc.qt.io/qt-6/qgraphicsscene.html">`QGraphicsScene`</A>
contains <A HREF="https://doc.qt.io/qt-6/qgraphicsitem.html">`QGraphicsItem`</A>s, which get displayed in any number
of <A HREF="https://doc.qt.io/qt-6/qgraphicsview.html">`QGraphicsView`</A>s. The views are widgets, that is they take screen space
in an application.
The fourth class is the <A HREF="https://doc.qt.io/qt-5/qobject.html">`QObject`</A>. It plays an important role in %Qt for
event handling and memory management. First, it allows to add <A HREF="https://doc.qt.io/qt-5/signalsandslots.html">signals and
slots</A>, and to connect them. Second, it allows to install <A HREF="https://doc.qt.io/qt-5/eventsandfilters.html">event filters</A>.
The fourth class is the <A HREF="https://doc.qt.io/qt-6/qobject.html">`QObject`</A>. It plays an important role in %Qt for
event handling and memory management. First, it allows to add <A HREF="https://doc.qt.io/qt-6/signalsandslots.html">signals and
slots</A>, and to connect them. Second, it allows to install <A HREF="https://doc.qt.io/qt-6/eventsandfilters.html">event filters</A>.
\cgalFigureBegin{graphicsviewuml,uml-design.png}
UML Class Diagram with the %Qt classes (blue), \cgal classes for using the framework (yellow), \cgal data structures (red), and application classes (green).
@ -68,8 +68,8 @@ UML Class Diagram with the %Qt classes (blue), \cgal classes for using the frame
In order to visualize for example a `CGAL::Delaunay_triangulation_2`, we
provide the graphics item class `CGAL::Qt::TriangulationGraphicsItem<T>`.
It provides a `paint` method that draws the edges and vertices of a triangulation
using the drawing primitives of the <A HREF="https://doc.qt.io/qt-5/qpainter.html">`QPainter`</A>. The color of vertices and edges,
can be chosen by setting a user defined <A HREF="https://doc.qt.io/qt-5/qpen.html">`QPen`</A>.
using the drawing primitives of the <A HREF="https://doc.qt.io/qt-6/qpainter.html">`QPainter`</A>. The color of vertices and edges,
can be chosen by setting a user defined <A HREF="https://doc.qt.io/qt-6/qpen.html">`QPen`</A>.
As this graphics item only stores a pointer to a triangulation, it
must be notified about changes like the insertion of points coming from

4
GraphicsView/doc/GraphicsView/PackageDescription.txt
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@ -13,7 +13,7 @@
\cgalPkgPicture{detail.png}
\cgalPkgSummaryBegin
\cgalPkgAuthors{Andreas Fabri and Laurent Rineau}
\cgalPkgDesc{This package provides classes for displaying \cgal objects and data structures in the <A HREF="https://doc.qt.io/qt-5/graphicsview.html">Qt 5 Graphics View Framework</A>.}
\cgalPkgDesc{This package provides classes for displaying \cgal objects and data structures in the <A HREF="https://doc.qt.io/qt-6/graphicsview.html">Qt 5 Graphics View Framework</A>.}
\cgalPkgManuals{Chapter_CGAL_and_the_Qt_Graphics_View_Framework,PkgGraphicsViewRef}
\cgalPkgSummaryEnd
\cgalPkgShortInfoBegin
@ -26,7 +26,7 @@
This package provides some classes which allow to use \cgal classes in
<I>Qt</I> applications which make use of the <A
HREF="https://doc.qt.io/qt-5/graphicsview.html">Qt Graphics
HREF="https://doc.qt.io/qt-6/graphicsview.html">Qt Graphics
View Framework</A>.
\cgalClassifedRefPages