diff --git a/.gitignore b/.gitignore
index a53ed4269ce..90f003227c6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -178,12 +178,6 @@ GraphicsView/demo/Triangulation_2/Makefile
GraphicsView/demo/Triangulation_2/Regular_triangulation_2
GraphicsView/demo/Triangulation_2/qrc_*.cxx
GraphicsView/demo/Triangulation_2/ui_*.h
-GraphicsView/src/CGAL_Qt5/*.dll
-GraphicsView/src/CGAL_Qt5/*.lib
-GraphicsView/src/CGAL_Qt5/*.so
-GraphicsView/src/CGAL_Qt5/Makefile
-GraphicsView/src/CGAL_Qt5/moc_*.cxx
-GraphicsView/src/CGAL_Qt5/qrc_*.cxx
HalfedgeDS/test/HalfedgeDS/cgal_test_with_cmake
HalfedgeDS/test/HalfedgeDS/test_hds
HalfedgeDS/test/HalfedgeDS/test_hds_decorator
@@ -879,7 +873,6 @@ Surface_mesher/demo/Surface_mesher/.*.deps
Surface_mesher/demo/Surface_mesher/.qglviewer.xml
Surface_mesher/demo/Surface_mesher/Makefile
Surface_mesher/demo/Surface_mesher/Surface_mesher
-Surface_mesher/demo/Surface_mesher/Surface_mesher_Qt5_Demo
Surface_mesher/demo/Surface_mesher/VTK/Makefile
Surface_mesher/demo/Surface_mesher/VTK/mesh_a_3D_image
Surface_mesher/demo/Surface_mesher/VTK/mesh_a_VTK_3D_image
@@ -894,7 +887,6 @@ Surface_mesher/demo/Surface_mesher/out*.off
Surface_mesher/demo/Surface_mesher/polyhedron_remesher
Surface_mesher/demo/Surface_mesher/polyhedron_remesher_with_edges
Surface_mesher/demo/Surface_mesher/qrc_*.c*
-Surface_mesher/demo/Surface_mesher/qt5-demo
Surface_mesher/demo/Surface_mesher/ui_*.h
Surface_mesher/doxygen
Surface_mesher/examples/Surface_mesher/.*.deps
diff --git a/Documentation/doc/Documentation/Developer_manual/cmakelist_script.txt b/Documentation/doc/Documentation/Developer_manual/cmakelist_script.txt
index 7b451bf8178..26c1f7c0ef4 100644
--- a/Documentation/doc/Documentation/Developer_manual/cmakelist_script.txt
+++ b/Documentation/doc/Documentation/Developer_manual/cmakelist_script.txt
@@ -23,7 +23,7 @@ If the parameter is not given, the script creates one executable for each giv
source file.
`-c com1:com2:...` Lists components ("com1",
"com2") of \cgal to which the executable(s) should be linked. Valid components are \cgal's
-libraries (i.e.\ "Core", "ImageIO", and "Qt5"). An example is `-c Core`.
+libraries (i.e.\ "Core", "ImageIO", and "Qt6"). An example is `-c Core`.
`-b boost1:boost2:...` Lists components ("boost1",
"boost2") of \boost to which the executable(s) should be
diff --git a/Documentation/doc/Documentation/Developer_manual/create_and_use_a_cmakelist.txt b/Documentation/doc/Documentation/Developer_manual/create_and_use_a_cmakelist.txt
index 14eb07f8d8f..d55f4c0819b 100644
--- a/Documentation/doc/Documentation/Developer_manual/create_and_use_a_cmakelist.txt
+++ b/Documentation/doc/Documentation/Developer_manual/create_and_use_a_cmakelist.txt
@@ -25,8 +25,8 @@ the section \subpage thirdparty.
- `-frounding-math` with gcc
- `/fp:strict /fp:except-` with MSVC
-\section secexample Minimal Example Using Qt5
-This section describes a minimal example of a program that uses \cgal and Qt5 for some GUI features.
+\section secexample Minimal Example Using Qt6
+This section describes a minimal example of a program that uses \cgal and Qt6 for some GUI features.
\subsection subcmake CMakeLists.txt
\dontinclude Surface_mesh/CMakeLists.txt
diff --git a/Documentation/doc/Documentation/Third_party.txt b/Documentation/doc/Documentation/Third_party.txt
index 67533c1aef9..dda99763ac9 100644
--- a/Documentation/doc/Documentation/Third_party.txt
+++ b/Documentation/doc/Documentation/Third_party.txt
@@ -102,8 +102,8 @@ version shipped with \cgal.
The page \ref configurationvariables lists CMake and environment variables which can be used to specify
the location of third-party software during configuration.
-\subsection thirdpartyQt Qt5
-Version 5.9.0 or later
+\subsection thirdpartyQt Qt6
+Version 6.4 or later
Qt is a cross-platform application and UI framework.
diff --git a/Documentation/doc/Documentation/Usage.txt b/Documentation/doc/Documentation/Usage.txt
index 046f3d6da38..0cfdb9ba30e 100644
--- a/Documentation/doc/Documentation/Usage.txt
+++ b/Documentation/doc/Documentation/Usage.txt
@@ -166,17 +166,17 @@ if no debugging is intended. Users should thus run:
cd CGAL-\cgalReleaseNumber/examples/Triangulation_2
cmake -DCGAL_DIR=$HOME/CGAL-\cgalReleaseNumber -DCMAKE_BUILD_TYPE=Release . # we are here using a release tarball
-The package Qt5 on brew is "keg-only", which means it is not "linked" with brew.
-In order to link against Qt5, you need to run:
+The package Qt6 on brew is "keg-only", which means it is not "linked" with brew.
+In order to link against Qt6, you need to run:
- brew link qt@5
+ brew link qt@6
After that, you will have to specify the Qt6_DIR by hand to cmake, using something like
-DQt6_DIR=/usr/local/opt/qt6/lib/cmake/Qt6
where `/usr/local/` is actually your current brew installation directory. Check this directory
-to be sure where the Qt5 is placed on your machine.
+to be sure where the Qt6 is placed on your machine.
\subsection usage_configuring_cmake_gui Specifying Missing Dependencies
diff --git a/Documentation/doc/Documentation/advanced/Configuration_variables.txt b/Documentation/doc/Documentation/advanced/Configuration_variables.txt
index 7cedae4344a..7c475f54776 100644
--- a/Documentation/doc/Documentation/advanced/Configuration_variables.txt
+++ b/Documentation/doc/Documentation/advanced/Configuration_variables.txt
@@ -85,7 +85,7 @@ and will serverly limit performances.
| Variable | Description | Type | %Default Value |
| :- | :- | :- | :- |
| `CGAL_DIR` | Full-path to the binary directory where \cgal was configured |Either CMake or Environment | none |
-| `Qt5_DIR` | Full-path to the Qt cmake directory |CMake| platform-dependent|
+| `Qt6_DIR` | Full-path to the Qt cmake directory |CMake| platform-dependent|
\subsection installation_variables_third_party Variables Providing Information About 3rd-Party Libraries
@@ -178,11 +178,11 @@ Under Linux, the \gmpxx is also searched for, and you may specify the following
-\subsection installation_qt5 Qt5 Library
+\subsection installation_qt6 Qt6 Library
-You must set the cmake or environment variable `Qt5_DIR` to point to the path
+You must set the cmake or environment variable `Qt6_DIR` to point to the path
to the directory containing the file `Qt6Config.cmake` created by your \qt6 installation. If you are
-using the open source edition it should be `/qt-everywhere-opensource-src-/qtbase/lib/cmake/Qt5`.
+using the open source edition it should be `/qt-everywhere-opensource-src-/qtbase/lib/cmake/Qt6`.
\subsection installation_leda LEDA Library
diff --git a/Documentation/doc/Documentation/windows.txt b/Documentation/doc/Documentation/windows.txt
index 8b467453007..0dd5839a8b3 100644
--- a/Documentation/doc/Documentation/windows.txt
+++ b/Documentation/doc/Documentation/windows.txt
@@ -118,7 +118,7 @@ CMake variables and paths. Otherwise, you can also install it using `vcpkg`:
Remember to specify `--triplet` or the related environment variable in case you target 64-bit applications.
-As Qt5 is modular and as the \cgal examples and demos use only some of these modules
+As Qt6 is modular and as the \cgal examples and demos use only some of these modules
you can save download and compilation time by specifying an *installation option*:
C:\dev\vcpkg> .\vcpkg.exe install cgal[qt]
@@ -234,11 +234,10 @@ A typical `Qt` installation would consist of the following steps:
-
Download and install the Qt library for open source development package for your Visual Studio version at
-https://www.qt.io/download
-(here is the direct link to the offline installers).
-- Add the environment variable `QTDIR` pointing to the place you installed Qt, e.g., `C:\dev\Qt\Qt5.13.1`,
+https://www.qt.io/download-open-source#source.
+- Add the environment variable `QTDIR` pointing to the place you installed Qt, e.g., `C:\dev\Qt\Qt6.13.1`,
as this will help `cmake` to find Qt.
-- Add the bin directory of Qt, e.g. add `C:\dev\Qt\Qt5.13.1\msvcXXXX_YY\bin` to `PATH`, where `XXXX_YY` is something like `vc2017_64`.
+
- Add the bin directory of Qt, e.g. add `C:\dev\Qt\Qt6.13.1\msvcXXXX_YY\bin` to `PATH`, where `XXXX_YY` is something like `vc2017_64`.
To avoid any conflict with another dll with the same name from another folder, add this path as the first in the list.
diff --git a/GraphicsView/TODO b/GraphicsView/TODO
deleted file mode 100644
index ec7ea6d5649..00000000000
--- a/GraphicsView/TODO
+++ /dev/null
@@ -1,11 +0,0 @@
-Les inputs se sont seulement un simple mousePressEvent (pour un circle, il faut cliquer deux fois)
-Pour le cercle, ça serait bien d'avoir la possibilité d'entrée un cercle par centre/rayon, ou deux points diamétraux, ou trois points.
-Bloquer l'input sur un truc // aux axes (avec shift)
-S'inspirer de ipe, en général.
-
-Control: pour les navigations
-Shift: pour // aux axes.
-
-Affichage du (x,y) par rapport à l'origine de l'objet en cours.
-
-Integrer src/CGALQt5 dans le build process de CGAL, avec CMake.
diff --git a/GraphicsView/demo/Segment_Delaunay_graph_Linf_2/Segment_voronoi_linf_2.cpp b/GraphicsView/demo/Segment_Delaunay_graph_Linf_2/Segment_voronoi_linf_2.cpp
index 7b67d31ad4a..77d9e7c4dc0 100644
--- a/GraphicsView/demo/Segment_Delaunay_graph_Linf_2/Segment_voronoi_linf_2.cpp
+++ b/GraphicsView/demo/Segment_Delaunay_graph_Linf_2/Segment_voronoi_linf_2.cpp
@@ -522,7 +522,7 @@ int main(int argc, char **argv)
app.setOrganizationName("GeometryFactory");
app.setApplicationName("Segment Voronoi 2 demo");
- // Import resources from libCGAL (Qt5)
+ // Import resources from libCGAL (Qt6)
CGAL_QT_INIT_RESOURCES;
if (argc == 2) {
diff --git a/GraphicsView/include/CGAL/export/Qt.h b/GraphicsView/include/CGAL/export/Qt.h
index a1392b2610a..a5b1c82fa19 100644
--- a/GraphicsView/include/CGAL/export/Qt.h
+++ b/GraphicsView/include/CGAL/export/Qt.h
@@ -16,9 +16,9 @@
#include
#if ( defined(CGAL_BUILD_SHARED_LIBS) && ( ! defined(CGAL_HEADER_ONLY) ) ) \
- || defined(CGAL_USE_Qt5_RESOURCES)
+ || defined(CGAL_USE_Qt6_RESOURCES)
-# if defined(CGAL_Qt6_EXPORTS) || defined(CGAL_USE_Qt5_RESOURCES)
+# if defined(CGAL_Qt6_EXPORTS) || defined(CGAL_USE_Qt6_RESOURCES)
// defined by CMake or in cpp files of the dll
# define CGAL_QT_EXPORT CGAL_DLL_EXPORT
diff --git a/Installation/LICENSE b/Installation/LICENSE
index 1ba1accba3e..dd6e40c93dc 100644
--- a/Installation/LICENSE
+++ b/Installation/LICENSE
@@ -5,9 +5,8 @@ The CGAL software consists of several parts, each of which is licensed under
an open source license. It is also possible to obtain commercial licenses
from GeometryFactory (www.geometryfactory.com) for all or parts of CGAL.
-The source code of the CGAL library can be found in the directories
-"src/CGAL", "src/CGALQt", "src/CGALQt5" and "include/CGAL" (with the
-exception of "include/CGAL/CORE", "include/CGAL/OpenNL").
+The source code of the CGAL library can be found in the directory
+"include/CGAL" (with the exception of "include/CGAL/CORE", "include/CGAL/OpenNL").
It is specified in each file of the CGAL library which
license applies to it. This is either the GNU General Public License
or the GNU Lesser General Public License (as published by the Free Software
@@ -26,9 +25,9 @@ Distributed along with CGAL (for the users' convenience), but not part of
CGAL, are the following third-party libraries, available under their own
licenses:
-- CORE, in the directories "include/CGAL/CORE" and "src/CGAL_Core", is
- licensed under the LGPL (see LICENSE.LGPL).
-- ImageIO, in the directory "src/CGAL_ImageIO", is licensed under the LGPL
+- CORE, in the directory "include/CGAL/CORE" is licensed under the LGPL
+ (see LICENSE.LGPL).
+- ImageIO, in the directory "include/CGAL/ImageIO", is licensed under the LGPL
(see LICENSE.LGPL).
- OpenNL, in the directory "include/CGAL/OpenNL", is licensed under the LGPL
(see LICENSE.LGPL).
diff --git a/Installation/cmake/modules/CGAL_enable_end_of_configuration_hook.cmake b/Installation/cmake/modules/CGAL_enable_end_of_configuration_hook.cmake
index a25a85fa50c..4b6053671fc 100644
--- a/Installation/cmake/modules/CGAL_enable_end_of_configuration_hook.cmake
+++ b/Installation/cmake/modules/CGAL_enable_end_of_configuration_hook.cmake
@@ -103,7 +103,7 @@ disable this ${type}.\n\
endif()
endfunction()
-function(CGAL_hook_fix_ctest_depending_on_Qt5)
+function(CGAL_hook_fix_ctest_depending_on_Qt6)
get_property(_targets DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY BUILDSYSTEM_TARGETS)
foreach(_target ${_targets})
if(NOT TEST "compilation of ${_target}")
@@ -120,7 +120,7 @@ function(CGAL_hooks_at_end_of_all_directories)
CGAL_hook_check_targets()
CGAL_hook_check_unused_cpp_files()
if(BUILD_TESTING)
- CGAL_hook_fix_ctest_depending_on_Qt5()
+ CGAL_hook_fix_ctest_depending_on_Qt6()
endif()
endfunction()
diff --git a/Installation/cmake/modules/config/support/print_QT4_version.cpp b/Installation/cmake/modules/config/support/print_QT4_version.cpp
deleted file mode 100644
index cd290f2f4e4..00000000000
--- a/Installation/cmake/modules/config/support/print_QT4_version.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) 2008 GeometryFactory, Sophia Antipolis (France)
-//
-// This file is part of CGAL (www.cgal.org)
-//
-// $URL$
-// $Id$
-// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
-
-// Tests if QT5 is available and prints its version string.
-
-#include
-#include
-
-int main()
-{
- std::cout << "version=" << QT_VERSION_STR << std::endl;
-
- return 0;
-}
diff --git a/Installation/include/CGAL/export/helpers.h b/Installation/include/CGAL/export/helpers.h
index 4b384c71f4b..3f5750902f8 100644
--- a/Installation/include/CGAL/export/helpers.h
+++ b/Installation/include/CGAL/export/helpers.h
@@ -12,7 +12,7 @@
#ifndef CGAL_EXPORT_HELPERS_H
#define CGAL_EXPORT_HELPERS_H
-#if defined(CGAL_HEADER_ONLY) && ! defined(CGAL_USE_Qt5_RESOURCES)
+#if defined(CGAL_HEADER_ONLY) && ! defined(CGAL_USE_Qt6_RESOURCES)
# define CGAL_DLL_IMPORT
# define CGAL_DLL_EXPORT
# define CGAL_DLL_LOCAL
diff --git a/Installation/test/Installation/test_configuration_qt.cpp b/Installation/test/Installation/test_configuration_qt.cpp
index 73206ca0b4f..34436111e12 100644
--- a/Installation/test/Installation/test_configuration_qt.cpp
+++ b/Installation/test/Installation/test_configuration_qt.cpp
@@ -26,7 +26,7 @@ int main(int argc, char**) {
std::istream_iterator end;
Triangulation t;
t.insert(begin, end);
- if(argc == 3) // do not test Qt5 at runtime
+ if(argc == 3) // do not test Qt6 at runtime
CGAL::draw(t);
std::cout<<"OK."< > paths={pij, pkl};
- CGAL::draw(sm, paths); // Enable only if CGAL was compiled with Qt5
+ CGAL::draw(sm, paths); // Enable only if CGAL was compiled with Qt6
#endif // CGAL_USE_BASIC_VIEWER
*/
for (int i=-4; i<=4; ++i)
diff --git a/Testsuite/test/post_process_ctest_results.py b/Testsuite/test/post_process_ctest_results.py
index 2ec15299697..6da4d7de21c 100644
--- a/Testsuite/test/post_process_ctest_results.py
+++ b/Testsuite/test/post_process_ctest_results.py
@@ -48,7 +48,7 @@
elif name == "libCGAL_ImageIO":
name="libCGALimageIO_shared"
elif name == "libCGAL_Qt6":
- name="libCGALQt5_shared"
+ name="libCGALQt6_shared"
if name=="incomplete":
is_writing=False
is_ignored=False
diff --git a/Three/doc/Three/Three.txt b/Three/doc/Three/Three.txt
index b8987352aea..593d7623b2f 100644
--- a/Three/doc/Three/Three.txt
+++ b/Three/doc/Three/Three.txt
@@ -322,7 +322,7 @@ To create an external plugin, you must make a new Cmake project.\n
project( Example_plugin )
-Configure CMake as you desire and fetch the right Qt5 packages :
+Configure CMake as you desire and fetch the right Qt6 packages :
# Find includes in corresponding build directories
set(CMAKE_INCLUDE_CURRENT_DIR ON)
@@ -331,13 +331,13 @@ Configure CMake as you desire and fetch the right Qt5 packages :
cmake_minimum_required(VERSION 3.1...3.23)
#Find CGAL
- find_package(CGAL COMPONENTS Qt5)
+ find_package(CGAL COMPONENTS Qt6)
include( ${CGAL_USE_FILE} )
- # Find Qt5 itself
- find_package(Qt5
+ # Find Qt6 itself
+ find_package(Qt6
QUIET
- COMPONENTS OpenGL Script Svg Xml
- OPTIONAL_COMPONENTS ScriptTools)
+ COMPONENTS OpenGLWidgets Svg
+ OPTIONAL_COMPONENTS WebSockets)
You will probably have to fetch the libraries exported by the Polyhedron_demo, like the Scene_items.
@@ -370,15 +370,14 @@ Notice that an external plugin will not be automatically loaded in the Polyhedro
cmake_minimum_required(VERSION 3.1...3.23)
#Find CGAL
- find_package(CGAL COMPONENTS Qt5)
+ find_package(CGAL COMPONENTS Qt6)
include( ${CGAL_USE_FILE} )
- # Find Qt5 itself
- find_package(Qt5
- QUIET
- COMPONENTS OpenGL Script Svg Xml
- OPTIONAL_COMPONENTS ScriptTools)
+ # Find Qt6 itself
+ find_package(Qt6 QUIET
+ COMPONENTS OpenGLWidgets Svg
+ OPTIONAL_COMPONENTS WebSockets)
- if(Qt5_FOUND AND CGAL_FOUND)
+ if(Qt6_FOUND AND CGAL_FOUND)
find_package(CGAL_polyhedron_demo)
include( ${CGAL_POLYHEDRON_DEMO_USE_FILE} )