[Editor] Merge duplicate entries in enum property inspector

This helps with confusion over how selecting a key with a duplicate
value won't be selected as only the first entry with a particular value will
be selected.

1 files changed, 9 insertions, 4 deletions

diff --git a/editor/editor_properties.cpp b/editor/editor_properties.cpp
index 2e46068e07..0fb57ce40e 100644
--- a/editor/editor_properties.cpp
+++ b/editor/editor_properties.cpp
@@ -687,16 +687,21 @@ void EditorPropertyEnum::update_property() {
 
 void EditorPropertyEnum::setup(const Vector<String> &p_options) {
 	options->clear();
+	HashMap<int64_t, Vector<String>> items;
 	int64_t current_val = 0;
-	for (int i = 0; i < p_options.size(); i++) {
-		Vector<String> text_split = p_options[i].split(":");
+	for (const String &option : p_options) {
+		Vector<String> text_split = option.split(":");
 		if (text_split.size() != 1) {
 			current_val = text_split[1].to_int();
 		}
-		options->add_item(text_split[0]);
-		options->set_item_metadata(i, current_val);
+		items[current_val].push_back(text_split[0]);
 		current_val += 1;
 	}
+
+	for (const KeyValue<int64_t, Vector<String>> &K : items) {
+		options->add_item(String(", ").join(K.value));
+		options->set_item_metadata(-1, K.key);
+	}
 }
 
 void EditorPropertyEnum::set_option_button_clip(bool p_enable) {