Forced render of 3D scene when changing tab in plater's notebook

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index f5ef10e9c..f4ba05bdb 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -206,6 +206,8 @@ sub new {
             Slic3r::GUI::_3DScene::set_active($self->{canvas3D}, 0);
             Slic3r::GUI::_3DScene::enable_legend_texture($self->{preview3D}->canvas, 1);
             $self->{preview3D}->load_print(1);
+            # sets the canvas as dirty to force a render at the 1st idle event (wxWidgets IsShownOnScreen() is buggy and cannot be used reliably)
+            Slic3r::GUI::_3DScene::set_as_dirty($self->{preview3D}->canvas);
         } else {
             Slic3r::GUI::_3DScene::enable_legend_texture($self->{preview3D}->canvas, 0);
         }
@@ -218,6 +220,8 @@ sub new {
                 Slic3r::GUI::_3DScene::set_objects_selections($self->{canvas3D}, \@$selections);
                 Slic3r::GUI::_3DScene::reload_scene($self->{canvas3D}, 1);
             }            
+            # sets the canvas as dirty to force a render at the 1st idle event (wxWidgets IsShownOnScreen() is buggy and cannot be used reliably)
+            Slic3r::GUI::_3DScene::set_as_dirty($self->{canvas3D});
         } else {
             $preview->OnActivate if $preview->can('OnActivate');        
         }