Seq arrange better exception handling

src/libseqarrange/include/libseqarrange/seq_interface.hpp

@@ -28,7 +28,6 @@ using namespace Slic3r;
 namespace Sequential
 {
     class ObjectTooLargeException : public std::runtime_error { public: explicit ObjectTooLargeException(const std::string& msg) : std::runtime_error(msg) {}};
-    class InternalErrorException : public std::runtime_error { public: explicit InternalErrorException(const std::string& msg) : std::runtime_error(msg) {} };
 
 
     

src/libseqarrange/src/seq_preprocess.cpp

@@ -742,7 +742,7 @@ void prepare_ExtruderPolygons(const SolverConfiguration                  &solver
 	    }
 	    else
 	    {
-		throw InternalErrorException("MISMATCH BETWEEN OBJECT AND PRINTER SLICE HEIGHTS.");
+		throw std::runtime_error("MISMATCH BETWEEN OBJECT AND PRINTER SLICE HEIGHTS.");
 	    }
 	}
     }

src/slic3r/GUI/Jobs/SeqArrangeJob.cpp

@@ -33,8 +33,11 @@ void SeqArrangeJob::process(Ctl& ctl)
             }
         );
     } catch (const SeqArrangeJobException&) {
-        // The task was canceled. Just make sure that the progress notification disappears.
+        ctl.update_status(100, ""); // Hide progress notification.
-        ctl.update_status(100, "");
+    }
+    catch (const std::exception&) {
+        ctl.update_status(100, ""); // Hide progress notification.
+        throw;
     }
 }
 
@@ -60,7 +63,7 @@ void SeqArrangeJob::finalize(bool canceled, std::exception_ptr& eptr)
             dlg.ShowModal();
             error = true;
             eptr = nullptr; // The exception is handled.
-        } catch (const Sequential::InternalErrorException& ex) {
+        } catch (const std::runtime_error& ex) {
             ErrorDialog dlg(wxGetApp().plater(), GUI::format_wxstr(_L("Internal error: %1%"), ex.what()), false);
             dlg.ShowModal();
             error = true;