Center the calculator in the window.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 574

textscreen/examples/calculator.c

@@ -123,6 +123,7 @@ void BuildGUI()
 
     table = TXT_NewTable(4);
     TXT_AddWidget(window, table);
+    TXT_SetWidgetAlign(table, TXT_HORIZ_CENTER);
 
     AddNumberButton(table, 7);
     AddNumberButton(table, 8);