dd support for list boxes in Mac OS 8. Not entirely solid, but largely

working.
[ bits missed in the first commit ]

[originally from svn r3069]

mac/mac.h

@@ -78,6 +78,8 @@ struct macctrls {
     unsigned int	curpanel;
     union macctrl	**panels; /* lists of controls by panel */
     union macctrl	*focus; /* Input focus for System 7 */
+    union macctrl	*defbutton; /* Default button */
+    union macctrl	*canbutton; /* Cancel button */
 };    
 
 typedef struct Session {

mac/mac_res.r

@@ -1,4 +1,4 @@
-/* $Id: mac_res.r,v 1.37 2003/03/29 22:04:21 ben Exp $ */
+/* $Id: mac_res.r,v 1.38 2003/04/05 22:03:06 ben Exp $ */
 /*
  * Copyright (c) 1999, 2002, 2003 Ben Harris
  * All rights reserved.
@@ -1128,3 +1128,16 @@ data 'CDEF' (CDEF_EditBox) {
 data 'CDEF' (CDEF_Default) {
     $"4EF9 00000000"
 };
+
+/* List box template */
+
+resource 'ldes' (ldes_Default) {
+    versionZero {
+	0, /* rows */
+	1, /* cols */
+	0, 0, /* default cell size */
+	hasVertScroll, noHorizScroll,
+	0, /* LDEF number */
+	noGrowSpace
+    }
+};

mac/macresid.h

@@ -1,4 +1,4 @@
-/* $Id: macresid.h,v 1.14 2003/03/29 22:04:21 ben Exp $ */
+/* $Id: macresid.h,v 1.15 2003/04/05 22:03:06 ben Exp $ */
 
 /*
  * macresid.h -- Mac resource IDs
@@ -59,6 +59,9 @@
 /* Controls */
 #define cVScroll	128
 
+/* ldes for list box controls */
+#define ldes_Default	128
+
 /* xDEFs */
 #define CDEF_EditBox	129
 #define SYS7_EDITBOX_VARIANT	0