32k pixel as hard group limit, better manual resolution support

tests/test_gui_manual_resolution.py

@@ -38,13 +38,31 @@ class ManualResolutionPanelTests(unittest.TestCase):
         self.assertEqual(panel.text.get("1.0", "end-1c"), content)
         self.assertEqual(len(panel.pdf_buttons), 4)
         self.assertEqual([button.cget("text") for button in panel.pdf_buttons],
-                         ["PDF source", "PDF cible"] * 2)
+                         ["Source : Ex 1", "Cible : Ex 2",
+                          "Source : Ex 3", "Cible : Ex 4"])
         with patch("copienator_gui.manual_resolution.open_path") as opened:
             panel.editor_button.invoke()
             for button in panel.pdf_buttons:
                 button.invoke()
         self.assertEqual(opened.call_args_list, [call(self.path), *map(call, paths)])
 
+    def test_reload_updates_the_displayed_target_and_its_pdf_action(self):
+        self.path.write_text("Copie01 A -> B|\n", encoding="utf-8")
+        copies = self.evaluation / "Copies" / "Copie01"
+        copies.mkdir(parents=True)
+        (copies / "A.pdf").touch()
+        (copies / "C.pdf").touch()
+        panel = self.panel()
+
+        self.path.write_text("Copie01 A -> C|\n", encoding="utf-8")
+        panel.reload_button.invoke()
+
+        self.assertEqual(panel.text.get("1.0", "end-1c"), "Copie01 A -> C|\n")
+        self.assertEqual(panel.pdf_buttons[1].cget("text"), "Cible : C")
+        with patch("copienator_gui.manual_resolution.open_path") as opened:
+            panel.pdf_buttons[1].invoke()
+        opened.assert_called_once_with(copies / "C.pdf")
+
     def test_reload_keeps_invalid_lines_visible_and_removes_stale_actions(self):
         self.path.write_text("Copie01 A -> B|\n", encoding="utf-8")
         panel = self.panel()