From 2395583fd76f2c513691b8dfdfd1bfbd15e749ba Mon Sep 17 00:00:00 2001
From: Maxime Gimeno <maxime.gimeno@gmail.com>
Date: Mon, 8 Jun 2020 11:00:38 +0200
Subject: [PATCH] setup a singleshot for the planes

---
 AABB_tree/demo/AABB_tree/Scene.cpp | 20 +++++++++-----------
 AABB_tree/demo/AABB_tree/Scene.h   |  4 ++--
 2 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/AABB_tree/demo/AABB_tree/Scene.cpp b/AABB_tree/demo/AABB_tree/Scene.cpp
index deba0b8b130..69ba683a21b 100644
--- a/AABB_tree/demo/AABB_tree/Scene.cpp
+++ b/AABB_tree/demo/AABB_tree/Scene.cpp
@@ -45,7 +45,7 @@ Scene::Scene()
     m_blue_ramp.build_blue();
     m_max_distance_function = (FT)0.0;
     texture = new Texture(m_grid_size,m_grid_size);
-    ready_to_cut = false;
+    ready_to_cut = true;
     are_buffers_initialized = false;
     gl_init = false;
 
@@ -518,6 +518,7 @@ void Scene::changed()
         compute_elements(_UNSIGNED);
     else
         compute_elements(_SIGNED);
+    ready_to_cut=false;
     are_buffers_initialized = false;
 
 }
@@ -1225,12 +1226,16 @@ void Scene::cut_segment_plane()
     m_cut_plane = CUT_SEGMENTS;
     changed();
 }
+void Scene::updateCutPlane()
+{
+  ready_to_cut = true;
+       QTimer::singleShot(0,this,SLOT(cutting_plane()));
+}
 
 void Scene::cutting_plane(bool override)
 {
     if(ready_to_cut || override)
     {
-        ready_to_cut = false;
         switch( m_cut_plane )
         {
         case UNSIGNED_FACETS:
@@ -1303,13 +1308,13 @@ void Scene::refine_loop()
 
 void Scene::activate_cutting_plane()
 {
-    connect(m_frame, SIGNAL(modified()), this, SLOT(cutting_plane()));
+    connect(m_frame, SIGNAL(modified()), this, SLOT(updateCutPlane()));
     m_view_plane = true;
 }
 
 void Scene::deactivate_cutting_plane()
 {
-    disconnect(m_frame, SIGNAL(modified()), this, SLOT(cutting_plane()));
+    disconnect(m_frame, SIGNAL(modified()), this, SLOT(updateCutPlane()));
     m_view_plane = false;
 }
 void Scene::initGL()
@@ -1325,10 +1330,3 @@ void Scene::initGL()
     compile_shaders();
     gl_init = true;
 }
-
-void Scene::timerEvent(QTimerEvent *)
-{
-    if(manipulatedFrame()->isSpinning())
-        set_fast_distance(true);
-    ready_to_cut = true;
-}
diff --git a/AABB_tree/demo/AABB_tree/Scene.h b/AABB_tree/demo/AABB_tree/Scene.h
index 4e9fabd735b..95ea74cdc33 100644
--- a/AABB_tree/demo/AABB_tree/Scene.h
+++ b/AABB_tree/demo/AABB_tree/Scene.h
@@ -173,6 +173,8 @@ private:
     void attrib_buffers(CGAL::QGLViewer*);
     void compile_shaders();
     void compute_texture(int, int, Color_ramp, Color_ramp);
+private slots:
+    void updateCutPlane();
 
 public:
     // file menu
@@ -251,8 +253,6 @@ public:
     void activate_cutting_plane();
     void deactivate_cutting_plane();
 
-    //timer sends a top when all the events are finished
-    void timerEvent(QTimerEvent *);
 
 
 public slots: