Support radio-button entries in ItemListPlugin

editor/plugins/item_list_editor_plugin.cpp

@@ -42,9 +42,18 @@ bool ItemListPlugin::_set(const StringName &p_name, const Variant &p_value) {
 		set_item_text(idx, p_value);
 	else if (what == "icon")
 		set_item_icon(idx, p_value);
-	else if (what == "checkable")
-		set_item_checkable(idx, p_value);
-	else if (what == "checked")
+	else if (what == "checkable") {
+		// This keeps compatibility to/from versions where this property was a boolean, before radio buttons
+		switch ((int)p_value) {
+			case 0:
+			case 1:
+				set_item_checkable(idx, p_value);
+				break;
+			case 2:
+				set_item_radio_checkable(idx, true);
+				break;
+		}
+	} else if (what == "checked")
 		set_item_checked(idx, p_value);
 	else if (what == "id")
 		set_item_id(idx, p_value);
@@ -68,9 +77,14 @@ bool ItemListPlugin::_get(const StringName &p_name, Variant &r_ret) const {
 		r_ret = get_item_text(idx);
 	else if (what == "icon")
 		r_ret = get_item_icon(idx);
-	else if (what == "checkable")
-		r_ret = is_item_checkable(idx);
-	else if (what == "checked")
+	else if (what == "checkable") {
+		// This keeps compatibility to/from versions where this property was a boolean, before radio buttons
+		if (!is_item_checkable(idx)) {
+			r_ret = 0;
+		} else {
+			r_ret = is_item_radio_checkable(idx) ? 2 : 1;
+		}
+	} else if (what == "checked")
 		r_ret = is_item_checked(idx);
 	else if (what == "id")
 		r_ret = get_item_id(idx);
@@ -95,7 +109,7 @@ void ItemListPlugin::_get_property_list(List<PropertyInfo> *p_list) const {
 		int flags = get_flags();
 
 		if (flags & FLAG_CHECKABLE) {
-			p_list->push_back(PropertyInfo(Variant::BOOL, base + "checkable"));
+			p_list->push_back(PropertyInfo(Variant::BOOL, base + "checkable", PROPERTY_HINT_ENUM, "No,As checkbox,As radio button"));
 			p_list->push_back(PropertyInfo(Variant::BOOL, base + "checked"));
 		}
 

editor/plugins/item_list_editor_plugin.h

@@ -74,7 +74,9 @@ public:
 	virtual Ref<Texture> get_item_icon(int p_idx) const { return Ref<Texture>(); };
 
 	virtual void set_item_checkable(int p_idx, bool p_check) {}
+	virtual void set_item_radio_checkable(int p_idx, bool p_check) {}
 	virtual bool is_item_checkable(int p_idx) const { return false; };
+	virtual bool is_item_radio_checkable(int p_idx) const { return false; };
 
 	virtual void set_item_checked(int p_idx, bool p_checked) {}
 	virtual bool is_item_checked(int p_idx) const { return false; };
@@ -145,7 +147,9 @@ public:
 	virtual Ref<Texture> get_item_icon(int p_idx) const { return pp->get_item_icon(p_idx); }
 
 	virtual void set_item_checkable(int p_idx, bool p_check) { pp->set_item_as_checkable(p_idx, p_check); }
+	virtual void set_item_radio_checkable(int p_idx, bool p_check) { pp->set_item_as_radio_checkable(p_idx, p_check); }
 	virtual bool is_item_checkable(int p_idx) const { return pp->is_item_checkable(p_idx); }
+	virtual bool is_item_radio_checkable(int p_idx) const { return pp->is_item_radio_checkable(p_idx); }
 
 	virtual void set_item_checked(int p_idx, bool p_checked) { pp->set_item_checked(p_idx, p_checked); }
 	virtual bool is_item_checked(int p_idx) const { return pp->is_item_checked(p_idx); }