Feature: [UI] Split AI/Game Script configuration windows and add them to world gen window (#10058)

src/widgets/game_widget.h

@@ -0,0 +1,28 @@
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file ai_widget.h Types related to the ai widgets. */
+
+#ifndef WIDGETS_GS_WIDGET_H
+#define WIDGETS_GS_WIDGET_H
+
+#include "../textfile_type.h"
+
+/** Widgets of the #GSConfigWindow class. */
+enum GSConfigWidgets {
+	WID_GSC_BACKGROUND,       ///< Window background.
+	WID_GSC_GSLIST,           ///< List with current selected Game Script.
+	WID_GSC_SETTINGS,         ///< Panel to draw the Game Script settings on
+	WID_GSC_SCROLLBAR,        ///< Scrollbar to scroll through the selected AIs.
+	WID_GSC_CHANGE,           ///< Select another Game Script button.
+	WID_GSC_TEXTFILE,         ///< Open GS readme, changelog (+1) or license (+2).
+	WID_GSC_CONTENT_DOWNLOAD = WID_GSC_TEXTFILE + TFT_END, ///< Download content button.
+	WID_GSC_ACCEPT,           ///< Accept ("Close") button
+	WID_GSC_RESET,            ///< Reset button.
+};
+
+#endif /* WIDGETS_GS_WIDGET_H */