windows console changes - eliminate *key.dll

Incorporate the functionality of the loadable DLL's (nhraykey.dll,
nhdefkey.dll, and nh340key.dll) into the consoletty.c code and
remove the dll building

include/extern.h

@@ -1746,6 +1746,7 @@ extern void set_output_mode(int);
 extern void synch_cursor(void);
 extern void nethack_enter_consoletty(void);
 extern void consoletty_exit(void);
+extern int set_keyhandling_via_option(void);
 #endif /* WIN32 */
 
 /* ### o_init.c ### */

include/flag.h

@@ -157,6 +157,14 @@ enum getloc_filters {
     NUM_GFILTER
 };
 
+#ifdef WIN32
+enum windows_key_handling {
+    default_keyhandling,
+    ray_keyhandling,
+    nh340_keyhandling
+};
+#endif
+
 struct debug_flags {
     boolean test;
 #ifdef TTY_GRAPHICS
@@ -364,8 +372,9 @@ struct instance_flags {
     int wc2_windowborders;	/* display borders on NetHack windows */
     int wc2_petattr;            /* text attributes for pet */
 #ifdef WIN32
-#define MAX_ALTKEYHANDLER 25
-    char altkeyhandler[MAX_ALTKEYHANDLER];
+#define MAX_ALTKEYHANDLING 25
+    char altkeyhandling[MAX_ALTKEYHANDLING];
+    enum windows_key_handling key_handling;
 #endif
     /* copies of values in struct u, used during detection when the
        originals are temporarily cleared; kept here rather than

include/optlist.h

@@ -88,8 +88,8 @@ opt_##a,
                "message window alignment")
     NHOPTC(align_status, 20, opt_in, set_gameview, No, Yes, No, Yes, NoAlias,
                "status window alignment")
-    NHOPTC(altkeyhandler, 20, opt_in, set_in_game, No, Yes, No, No, NoAlias,
-               "alternate key handler")
+    NHOPTC(altkeyhandling, 20, opt_in, set_in_game, No, Yes, No, Yes,
+               "altkeyhandler", "alternative key handling")
 #ifdef ALTMETA
     NHOPTB(altmeta, 0, opt_out, set_in_game, Off, Yes, No, No, NoAlias,
                &iflags.altmeta)

include/windconf.h

@@ -229,7 +229,7 @@ extern void consoletty_preference_update(const char *);
 extern void toggle_mouse_support(void);
 extern void map_subkeyvalue(char *);
 #if defined(WIN32CON)
-extern void set_altkeyhandler(const char *);
+extern void set_altkeyhandling(const char *);
 #endif
 extern void raw_clear_screen(void);