int AddTerrainKey; // ^Fishman - Add terrain key to func_group.
int SP; // ^Fishman - Snap to grid.
-GtkWidget *g_pWnd; // ghwnd;
+ui::Window g_pWnd{ui::null}; // ghwnd;
GtkWidget *g_pRadiantWnd; // ghwnd_main;
/*HWND ghwndAngles;
*/GtkWidget *g_pWndPreview;