Fixes #438: improved detection and handling of closing curly bracket in special circumstances

src/source.cpp

@@ -2542,6 +2542,16 @@ bool Source::View::on_key_press_event_bracket_language(GdkEventKey *event) {
               }
             }
           }
+          /**
+           * Handle pressing enter after '{' in special expressions like:
+           * enum class A { a,
+           *                b }
+           */
+          else if(close_iter.get_line() > condition_iter.get_line() && close_iter.get_line_offset() > condition_iter.get_line_offset()) {
+            get_buffer()->insert_at_cursor('\n' + get_line_before(get_tabs_end_iter(condition_iter.get_line() + 1)));
+            scroll_to(get_buffer()->get_insert());
+            return true;
+          }
         }
 
         // Check if one should add semicolon after '}'

tests/source_key_test.cpp

@@ -588,6 +588,20 @@ int main() {
       g_assert(buffer->get_insert()->get_iter().get_line_offset() == 4);
     }
 
+    {
+      buffer->set_text("  enum class A { a,\n"
+                       "                 b };");
+      auto iter = buffer->begin();
+      iter.forward_chars(16);
+      buffer->place_cursor(iter);
+      view.on_key_press_event(&event);
+      g_assert(buffer->get_text() == "  enum class A {\n"
+                                     "                 a,\n"
+                                     "                 b };");
+      g_assert(buffer->get_insert()->get_iter().get_line() == 1);
+      g_assert(buffer->get_insert()->get_iter().get_line_offset() == 17);
+    }
+
     {
       buffer->set_text("  else");
       view.on_key_press_event(&event);