From a2249a4b0d38c0524a04bf30fccf9c3ea04c6766 Mon Sep 17 00:00:00 2001
From: "nethack.allison" <nethack.allison>
Date: Mon, 12 May 2003 02:25:08 +0000
Subject: [PATCH] Some altkeyhandler tweaking

---
 src/options.c         |  3 +++
 sys/winnt/defaults.nh |  9 +++++++++
 sys/winnt/nttty.c     | 27 +++++++++++++++++++++++----
 3 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/src/options.c b/src/options.c
index 25771d082..17075865b 100644
--- a/src/options.c
+++ b/src/options.c
@@ -2663,6 +2663,9 @@ char *buf;
 				   defopt);
 	else if (!strcmp(optname,"align"))
 		Sprintf(buf, "%s", rolestring(flags.initalign, aligns, adj));
+	else if (!strcmp(optname,"altkeyhandler"))
+		Sprintf(buf, "%s", iflags.altkeyhandler[0] ?
+			iflags.altkeyhandler : "default");
 	else if (!strcmp(optname, "boulder"))
 		Sprintf(buf, "%c", iflags.bouldersym ?
 			iflags.bouldersym : oc_syms[(int)objects[BOULDER].oc_class]);
diff --git a/sys/winnt/defaults.nh b/sys/winnt/defaults.nh
index 2173b4a68..3151e368e 100644
--- a/sys/winnt/defaults.nh
+++ b/sys/winnt/defaults.nh
@@ -13,6 +13,15 @@
 # for tty window-port.
 OPTIONS=IBMGraphics
 
+# Keyboard handling
+# Different keyboard handlers can be loaded.
+# Default is nhdefkey.dll but you can override that.
+# Ray Chason's keyboard handler
+# OPTIONS=altkeyhandler:nhraykey.dll
+#
+# NetHack 3.4.0 keyboard handling
+# OPTIONS=altkeyhandler:nh340key.dll
+
 # *** Personal Preferences ***
 # Some options to set personal preferences.  Uncomment and change these to
 # suit your personal preference.  If several people are to use the same
diff --git a/sys/winnt/nttty.c b/sys/winnt/nttty.c
index 2afdd6ee4..70374b378 100644
--- a/sys/winnt/nttty.c
+++ b/sys/winnt/nttty.c
@@ -825,18 +825,28 @@ register char *op;
 void
 load_keyboard_handler()
 {
-	char suffx[] = ".dll";	
+	char suffx[] = ".dll";
+	char *truncspot;
 #define MAX_DLLNAME 25
 	char kh[MAX_ALTKEYHANDLER];
 	if (iflags.altkeyhandler[0]) {
 		if (hLibrary) {	/* already one loaded apparently */
 			FreeLibrary(hLibrary);
 			hLibrary = (HANDLE)0;
+		   pNHkbhit = (NHKBHIT)0;
+		   pCheckInput = (CHECKINPUT)0; 
+		   pSourceWhere = (SOURCEWHERE)0; 
+		   pSourceAuthor = (SOURCEAUTHOR)0; 
+		   pKeyHandlerName = (KEYHANDLERNAME)0; 
+		   pProcessKeystroke = (PROCESS_KEYSTROKE)0;
 		}
+		if ((truncspot = strstri(iflags.altkeyhandler, suffx)) != 0)
+			*truncspot = '\0';
 		(void) strncpy(kh, iflags.altkeyhandler,
 				(MAX_ALTKEYHANDLER - sizeof suffx) - 1);
 		kh[(MAX_ALTKEYHANDLER - sizeof suffx) - 1] = '\0';
 		Strcat(kh, suffx);
+		Strcpy(iflags.altkeyhandler, kh);
 		hLibrary = LoadLibrary(kh);
 		if (hLibrary) {
 		   pProcessKeystroke =
@@ -853,12 +863,21 @@ load_keyboard_handler()
 		   (KEYHANDLERNAME) GetProcAddress (hLibrary, TEXT ("KeyHandlerName"));
 		}
 	}
-	if (!pProcessKeystroke || !pNHkbhit) {
+	if (!pProcessKeystroke || !pNHkbhit || !pCheckInput) {
 		if (hLibrary) {
 			FreeLibrary(hLibrary);
 			hLibrary = (HANDLE)0;
+			pNHkbhit = (NHKBHIT)0; 
+			pCheckInput = (CHECKINPUT)0; 
+			pSourceWhere = (SOURCEWHERE)0; 
+			pSourceAuthor = (SOURCEAUTHOR)0; 
+			pKeyHandlerName = (KEYHANDLERNAME)0; 
+			pProcessKeystroke = (PROCESS_KEYSTROKE)0;
 		}
-		hLibrary = LoadLibrary("nhdefkey.dll");
+		(void)strncpy(kh, "nhdefkey.dll", (MAX_ALTKEYHANDLER - sizeof suffx) - 1);
+		kh[(MAX_ALTKEYHANDLER - sizeof suffx) - 1] = '\0';
+		Strcpy(iflags.altkeyhandler, kh);
+		hLibrary = LoadLibrary(kh);
 		if (hLibrary) {
 		   pProcessKeystroke =
 		   (PROCESS_KEYSTROKE) GetProcAddress (hLibrary, TEXT ("ProcessKeystroke"));
@@ -874,7 +893,7 @@ load_keyboard_handler()
 		   (KEYHANDLERNAME) GetProcAddress (hLibrary, TEXT ("KeyHandlerName"));
 		}
 	}
-	if (!pProcessKeystroke || !pNHkbhit) {
+	if (!pProcessKeystroke || !pNHkbhit || !pCheckInput) {
 		if (!hLibrary)
 			raw_printf("\nNetHack was unable to load keystroke handler.\n");
 		else {
-- 
2.40.0