From 1c6b1e4a122b4be45dc6b6bd1941e6c4aa40044b Mon Sep 17 00:00:00 2001
From: Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
Date: Mon, 23 Oct 2023 01:35:11 +0200
Subject: [PATCH] Basic_viewer_qt is no more templated

---
 Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h  | 2 +-
 Boolean_set_operations_2/include/CGAL/draw_polygon_set_2.h  | 6 +++---
 .../include/CGAL/draw_periodic_2_triangulation_2.h          | 2 +-
 Voronoi_diagram_2/include/CGAL/draw_voronoi_diagram_2.h     | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h b/Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h
index 86edc7fa9e0..6aa3b9fcd1c 100644
--- a/Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h
@@ -50,7 +50,7 @@ struct Default_color_generator {
 // Viewer class for`< Polygon_2
 template <typename ArrangementOnSurface_2,
           typename ColorGenerator = Default_color_generator>
-class Aos_2_basic_viewer_qt : public Basic_viewer_qt<float> {
+class Aos_2_basic_viewer_qt : public Basic_viewer_qt {
   using Aos = ArrangementOnSurface_2;
   using Color_generator = ColorGenerator;
   using Base = Basic_viewer_qt;
diff --git a/Boolean_set_operations_2/include/CGAL/draw_polygon_set_2.h b/Boolean_set_operations_2/include/CGAL/draw_polygon_set_2.h
index dae70337aea..376bf8540e2 100644
--- a/Boolean_set_operations_2/include/CGAL/draw_polygon_set_2.h
+++ b/Boolean_set_operations_2/include/CGAL/draw_polygon_set_2.h
@@ -112,10 +112,10 @@ void compute_elements(const PWH& pwh,
   
 #ifdef CGAL_USE_BASIC_VIEWER
 
-template <typename PolygonSet_2, typename BufferType=float, class GSOptions>
-class Polygon_set_2_basic_viewer_qt : public Basic_viewer_qt<BufferType>
+template <typename PolygonSet_2, class GSOptions>
+class Polygon_set_2_basic_viewer_qt : public Basic_viewer_qt
 {
-  using Base = Basic_viewer_qt<BufferType>;
+  using Base = Basic_viewer_qt;
   using Ps = PolygonSet_2;
   using Pwh = typename Ps::Polygon_with_holes_2;
   using Pgn = typename Ps::Polygon_2;
diff --git a/Periodic_2_triangulation_2/include/CGAL/draw_periodic_2_triangulation_2.h b/Periodic_2_triangulation_2/include/CGAL/draw_periodic_2_triangulation_2.h
index 381031c47b7..fb86c03e7a0 100644
--- a/Periodic_2_triangulation_2/include/CGAL/draw_periodic_2_triangulation_2.h
+++ b/Periodic_2_triangulation_2/include/CGAL/draw_periodic_2_triangulation_2.h
@@ -247,7 +247,7 @@ void draw(const CGAL_P2T2_TYPE& ap2t2,
   {
     // Here we define the std::function to capture key pressed.
     app.basic_viewer().on_key_pressed=
-      [&ap2t2, &gs_options] (QKeyEvent* e, CGAL::Basic_viewer_qt<float>* basic_viewer) -> bool
+      [&ap2t2, &gs_options] (QKeyEvent* e, CGAL::Basic_viewer_qt* basic_viewer) -> bool
       {
         const ::Qt::KeyboardModifiers modifiers = e->modifiers();
         if ((e->key() == ::Qt::Key_D) && (modifiers == ::Qt::NoButton))
diff --git a/Voronoi_diagram_2/include/CGAL/draw_voronoi_diagram_2.h b/Voronoi_diagram_2/include/CGAL/draw_voronoi_diagram_2.h
index f14c9403412..2517c302a06 100644
--- a/Voronoi_diagram_2/include/CGAL/draw_voronoi_diagram_2.h
+++ b/Voronoi_diagram_2/include/CGAL/draw_voronoi_diagram_2.h
@@ -391,7 +391,7 @@ void draw(const CGAL_VORONOI_TYPE& av2,
   {
     // Here we define the std::function to capture key pressed.
     app.basic_viewer().on_key_pressed=
-      [&av2, &gs_options] (QKeyEvent* e, CGAL::Basic_viewer_qt<float>* basic_viewer) -> bool
+      [&av2, &gs_options] (QKeyEvent* e, CGAL::Basic_viewer_qt* basic_viewer) -> bool
       {
         const ::Qt::KeyboardModifiers modifiers = e->modifiers();
         if ((e->key() == ::Qt::Key_R) && (modifiers == ::Qt::NoButton))