Merge pull request #160 from dlyongemallo/matrix_parameter_error

Show error message if `show_matrix` is called on parametrized diagram.
zxcalc · Oct 31, 2023 · 9115e56 · 9115e56
2 parents 1f6f5e9 + 0d3f56e
commit 9115e56
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/zxlive/mainwindow.py b/zxlive/mainwindow.py
@@ -468,10 +468,13 @@ def format_str(c: complex) -> str:
         if self.active_panel is None: return
         try:
             self.active_panel.graph.auto_detect_io()
+            matrix = self.active_panel.graph.to_matrix()
+        except AttributeError:
+            show_error_msg("Can't show matrix", "Showing matrices for parametrized diagrams is not supported yet.")
+            return
         except Exception as e:
             show_error_msg("Can't show matrix", str(e))
             return
-        matrix = self.active_panel.graph.to_matrix()
         dialog = QDialog()
         dialog.setWindowTitle("Matrix")
         table = QTableWidget()