From a47e92c81210557bc19441faef4afd1cf28a84d3 Mon Sep 17 00:00:00 2001
From: Eduardo DAVILA <davila@creatis.insa-lyon.fr>
Date: Wed, 3 Nov 2021 11:13:01 +0100
Subject: [PATCH] #3389 Stuck Render macOS

---
 src/creawxVTKRenderWindowInteractor.mm | 28 ++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/src/creawxVTKRenderWindowInteractor.mm b/src/creawxVTKRenderWindowInteractor.mm
index 578c3a3..4f63d14 100644
--- a/src/creawxVTKRenderWindowInteractor.mm
+++ b/src/creawxVTKRenderWindowInteractor.mm
@@ -44,7 +44,6 @@
 =========================================================================*/
 
 
-
 #include <assert.h>
 
 #include "creawxVTKRenderWindowInteractor.h"
@@ -440,6 +439,7 @@ void wxVTKRenderWindowInteractor::Start()
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::UpdateSize(int x, int y)
 {
+//printf("EED wxVTKRenderWindowInteractor::UpdateSize Start\n");
   if( RenderWindow )
   {
     // if the size changed tell render window
@@ -463,6 +463,7 @@ void wxVTKRenderWindowInteractor::UpdateSize(int x, int y)
 #endif //__WXMSW__
     } // if x y
   } // if RenderWindow
+printf("EED wxVTKRenderWindowInteractor::UpdateSize End\n");
 }
 //---------------------------------------------------------------------------
 int wxVTKRenderWindowInteractor::CreateTimer(int WXUNUSED(timertype))
@@ -566,6 +567,8 @@ long wxVTKRenderWindowInteractor::GetHandleHack()
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::OnPaint(wxPaintEvent& WXUNUSED(event))
 {
+printf("EED wxVTKRenderWindowInteractor::OnPaint Start\n");
+
   //must always be here
 //EED2021-08-26  
 #ifdef __WXCOCOA__
@@ -630,6 +633,8 @@ void wxVTKRenderWindowInteractor::OnPaint(wxPaintEvent& WXUNUSED(event))
   }
 #endif
 #endif
+    
+printf("EED wxVTKRenderWindowInteractor::OnPaint End\n");
 }
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::OnEraseBackground(wxEraseEvent &event)
@@ -746,7 +751,8 @@ void wxVTKRenderWindowInteractor::OnKeyDown(wxKeyEvent &event)
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::OnKeyUp(wxKeyEvent &event)
 {
-  if (!Enabled) 
+printf("EED wxVTKRenderWindowInteractor::OnKeyUp Start\n");
+  if (!Enabled)
     {
     return;
     }
@@ -772,11 +778,13 @@ void wxVTKRenderWindowInteractor::OnKeyUp(wxKeyEvent &event)
     event.GetKeyCode(), 1);
 #endif
   event.Skip();
+printf("EED wxVTKRenderWindowInteractor::OnKeyUp End\n");
 }
 #endif //!(VTK_MAJOR_VERSION == 3 && VTK_MINOR_VERSION == 1)
  //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::OnChar(wxKeyEvent &event)
 {
+printf("EED wxVTKRenderWindowInteractor::OnKeyUp Start\n");
   if (!Enabled) 
     {
     return;
@@ -800,10 +808,12 @@ void wxVTKRenderWindowInteractor::OnChar(wxKeyEvent &event)
   InvokeEvent(vtkCommand::CharEvent, NULL);
 #endif
   event.Skip();
+printf("EED wxVTKRenderWindowInteractor::OnKeyUp End\n");
 }
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::OnButtonDown(wxMouseEvent &event)
 {
+printf("EED wxVTKRenderWindowInteractor::OnButtonDown Start\n");
   if (!Enabled || (ActiveButton != wxEVT_NULL))
     {
     return;
@@ -862,10 +872,12 @@ void wxVTKRenderWindowInteractor::OnButtonDown(wxMouseEvent &event)
   {
     CaptureMouse();
   }
+printf("EED wxVTKRenderWindowInteractor::OnButtonDown End\n");
 }
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::OnButtonUp(wxMouseEvent &event)
 {
+printf("EED wxVTKRenderWindowInteractor::OnButtonDown Start\n");
   //EVT_xxx_DOWN == EVT_xxx_UP - 1
   //This is only needed if two mouse buttons are pressed at the same time.
   //In wxWindows 2.4 and later: better use of wxMOUSE_BTN_RIGHT or 
@@ -922,10 +934,12 @@ void wxVTKRenderWindowInteractor::OnButtonUp(wxMouseEvent &event)
     ReleaseMouse();
   }
   ActiveButton = wxEVT_NULL;
+printf("EED wxVTKRenderWindowInteractor::OnButtonDown End\n");
 }
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::OnMouseWheel(wxMouseEvent& event)
 {
+printf("EED wxVTKRenderWindowInteractor::OnMouseWheel Start\n");
 // Mouse wheel was only added after VTK 4.4 (I think...)
 #if VTK_MAJOR_VERSION > 4 || (VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION > 4)
   // new style
@@ -944,7 +958,8 @@ void wxVTKRenderWindowInteractor::OnMouseWheel(wxMouseEvent& event)
       InvokeEvent(vtkCommand::MouseWheelBackwardEvent, NULL);
     }
 #endif
-    
+    printf("EED wxVTKRenderWindowInteractor::OnMouseWheel End\n");
+
 }
 
 //---------------------------------------------------------------------------
@@ -967,6 +982,7 @@ void wxVTKRenderWindowInteractor::OnMouseCaptureLost(wxMouseCaptureLostEvent& ev
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::Render()
 {
+printf("EED wxVTKRenderWindowInteractor::Render Start\n");
 #if wxCHECK_VERSION(2, 8, 0)
   int renderAllowed = !IsFrozen();
 #else
@@ -983,7 +999,7 @@ void wxVTKRenderWindowInteractor::Render()
       //if it's not enabeld, renderAllowed will be false
       renderAllowed = topParent->IsEnabled();
       }
-    }
+    } // if renderAllowed && !RenderWhenDisabled
 
   if (renderAllowed)
     {
@@ -1006,8 +1022,8 @@ void wxVTKRenderWindowInteractor::Render()
       RenderWindow->Render();
       }
 #endif
-
-    }
+    } // if renderAllowed
+printf("EED wxVTKRenderWindowInteractor::Render Start\n");
 }
 //---------------------------------------------------------------------------
 void wxVTKRenderWindowInteractor::SetRenderWhenDisabled(int newValue)
-- 
2.45.1