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fix exit soft and maybe crash on canvas 3d panel.

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This commit is contained in:
alves
2026-02-05 15:35:29 +08:00
parent 32a3b401cb
commit 64e08febbe
2 changed files with 29 additions and 13 deletions
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src/slic3r/GUI/Plater.cpp
+19 -9
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@@ -8839,16 +8839,26 @@ void Plater::priv::set_current_canvas_as_dirty()
GLCanvas3D* Plater::priv::get_current_canvas3D(bool exclude_preview)
{
if (current_panel == view3D)
// During destruction, these pointers may be null or point to destroyed objects
// Add null checks to prevent crashes during shutdown
if (current_panel == view3D) {
if (view3D)
return view3D->get_canvas3d();
}
else if (!exclude_preview && (current_panel == preview)) {
if (preview)
return preview->get_canvas3d();
}
else if (current_panel == assemble_view) {
if (assemble_view)
return assemble_view->get_canvas3d();
}
//BBS default set to view3D, but check if it's still valid
if (view3D)
return view3D->get_canvas3d();
else if (!exclude_preview && (current_panel == preview))
return preview->get_canvas3d();
else if (current_panel == assemble_view)
return assemble_view->get_canvas3d();
else //BBS default set to view3D
return view3D->get_canvas3d();
//return (current_panel == view3D) ? view3D->get_canvas3d() : ((current_panel == preview) ? preview->get_canvas3d() : nullptr);
return nullptr;
}
void Plater::priv::unbind_canvas_event_handlers()