clicklook (main trunk only)

This allows the use of the right mouse button to
look at things on the screen when the
'clicklook' option is set.

Concept came from a patch for 3.4.0
that I saw referenced on r.g.r.n
[see http://www.steelskies.com/nethack.php]
but the implementation is different.

include/extern.h

@@ -1405,6 +1405,7 @@ E int NDECL(dowhatdoes);
 E char *FDECL(dowhatdoes_core,(CHAR_P, char *));
 E int NDECL(dohelp);
 E int NDECL(dohistory);
+E int FDECL(do_look, (int, coord *));
 
 /* ### pcmain.c ### */
 

include/flag.h

@@ -262,6 +262,7 @@ struct instance_flags {
 	boolean wc_mouse_support;	/* allow mouse support */
 
 	boolean  cmdassist;	/* provide detailed assistance for some commands */
+	boolean	 clicklook;	/* allow right-clicking for look */
 	boolean	 obsolete;	/* obsolete options can point at this, it isn't used */
 #ifdef WIN32CON
 #define MAX_ALTKEYHANDLER 25