From 38ac74d6fb5a34cf755bcc97829ea36b48cd4378 Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Fri, 17 Feb 2017 12:43:06 +0000
Subject: Switch from using libNX_X11's deprecated XKeycodeToKeysym() function
 to using XGetKeyboardMapping().

 Fixes ArcticaProject/nx-libs#229.
---
 nx-X11/programs/Xserver/hw/nxagent/Events.c    | 21 ++++++++++++++++----
 nx-X11/programs/Xserver/hw/nxagent/Keystroke.c | 27 +++++++++++++++++++-------
 2 files changed, 37 insertions(+), 11 deletions(-)

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Events.c b/nx-X11/programs/Xserver/hw/nxagent/Events.c
index 371780a92..efe745718 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Events.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Events.c
@@ -934,7 +934,7 @@ void nxagentDispatchEvents(PredicateFuncPtr predicate)
       {
         enum HandleEventResult result;
 
-        KeySym keysym;
+        XlibKeySym *keysym;
 
         #ifdef TEST
         fprintf(stderr, "nxagentDispatchEvents: Going to handle new KeyPress event.\n");
@@ -1101,12 +1101,17 @@ void nxagentDispatchEvents(PredicateFuncPtr predicate)
          * sive delay.
          */
 
-        keysym = XKeycodeToKeysym(nxagentDisplay, X.xkey.keycode, 0);
+        int keysyms_per_keycode_return;
+        keysym = XGetKeyboardMapping(nxagentDisplay,
+                                     X.xkey.keycode,
+                                     1,
+                                     &keysyms_per_keycode_return);
 
-        if (nxagentMonitoredDuplicate(keysym) == 1)
+        if (nxagentMonitoredDuplicate(keysym[0]) == 1)
         {
           nxagentRemoveDuplicatedKeys(&X);
         }
+        free(keysym);
 
         if (nxagentOption(ViewOnly) == 0 && nxagentOption(Shadow) == 1 && result == doNothing)
         {
@@ -4638,8 +4643,16 @@ void nxagentDumpInputDevicesState(void)
       {
         if (val & (mask << k))
         {
+          int keysyms_per_keycode_return;
+          XlibKeySym *keysym = XGetKeyboardMapping(nxagentDisplay,
+                                                     i * 8 + k,
+                                                     1,
+                                                     &keysyms_per_keycode_return);
+
+
           fprintf(stderr, "\n\t[%d] [%s]", i * 8 + k,
-                      XKeysymToString(XKeycodeToKeysym(nxagentDisplay, i * 8 + k, 0)));
+                      XKeysymToString(keysym[0]));
+          free(keysym);
         }
       }
     }
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Keystroke.c b/nx-X11/programs/Xserver/hw/nxagent/Keystroke.c
index 8dc1a0b85..6237b9dac 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Keystroke.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Keystroke.c
@@ -406,7 +406,13 @@ free(filename);
 
 static enum nxagentSpecialKeystroke find_keystroke(XKeyEvent *X)
 {
-  KeySym keysym = XKeycodeToKeysym(nxagentDisplay, X->keycode, 0);
+  int keysyms_per_keycode_return;
+  XlibKeySym *keysym = XGetKeyboardMapping(nxagentDisplay,
+                                           X->keycode,
+                                           1,
+                                           &keysyms_per_keycode_return);
+
+
   struct nxagentSpecialKeystrokeMap *cur = map;
 
   if (! nxagentKeystrokeFileParsed)
@@ -418,19 +424,20 @@ static enum nxagentSpecialKeystroke find_keystroke(XKeyEvent *X)
   enum nxagentSpecialKeystroke ret = KEYSTROKE_NOTHING;
 
   while (cur->stroke != KEYSTROKE_END_MARKER) {
-    if (cur->keysym == keysym && modifier_matches(cur->modifierMask, cur->modifierAltMeta, X->state)) {
+    if (cur->keysym == keysym[0] && modifier_matches(cur->modifierMask, cur->modifierAltMeta, X->state)) {
+
+      free(keysym);
       return cur->stroke;
     }
     cur++;
   }
 
+  free(keysym);
   return ret;
 }
 
 int nxagentCheckSpecialKeystroke(XKeyEvent *X, enum HandleEventResult *result)
 {
-  KeySym sym;
-  int index = 0;
   enum nxagentSpecialKeystroke stroke = find_keystroke(X);
 
   *result = doNothing;
@@ -440,17 +447,23 @@ int nxagentCheckSpecialKeystroke(XKeyEvent *X, enum HandleEventResult *result)
    * Do we need a cache ?
    */
 
-  sym = XKeycodeToKeysym(nxagentDisplay, X -> keycode, index);
+  int keysyms_per_keycode_return;
+  XlibKeySym *sym = XGetKeyboardMapping(nxagentDisplay,
+                                        X->keycode,
+                                        1,
+                                        &keysyms_per_keycode_return);
 
-  if (sym == XK_VoidSymbol || sym == NoSymbol)
+  if (sym[0] == XK_VoidSymbol || sym[0] == NoSymbol)
   {
+    free(sym);
     return 0;
   }
 
   #ifdef TEST
   fprintf(stderr, "nxagentCheckSpecialKeystroke: got code %x - state %x - sym %lx\n",
-              X -> keycode, X -> state, sym);
+              X -> keycode, X -> state, sym[0]);
   #endif
+  free(sym);
 
   /*
    * Check special keys.
-- 
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