Make AutoGrab work in more situations

nx-X11/programs/Xserver/hw/nxagent/Events.c

@@ -1699,7 +1699,7 @@ FIXME: Don't enqueue the KeyRelease event if the key was
 
         #endif /* NXAGENT_FIXKEYS */
 
-        if (nxagentOption(AutoGrab))
+        if (nxagentOption(AutoGrab) && !nxagentFullscreenWindow)
         {
           XlibWindow w;
           int revert_to;

nx-X11/programs/Xserver/hw/nxagent/Window.c

@@ -754,7 +754,12 @@ void nxagentSwitchFullscreen(ScreenPtr pScreen, Bool switchOn)
   else
   {
     nxagentFullscreenWindow = None;
-    nxagentUngrabPointerAndKeyboard(NULL);
+
+    /* if we had AutoGrab before entering fullscreen reactivate it now */
+    if (nxagentOption(AutoGrab))
+      nxagentGrabPointerAndKeyboard(NULL);
+    else
+      nxagentUngrabPointerAndKeyboard(NULL);
   }
 }
 
@@ -1005,6 +1010,10 @@ void nxagentSwitchAllScreens(ScreenPtr pScreen, Bool switchOn)
   XMoveResizeWindow(nxagentDisplay, nxagentInputWindows[0], 0, 0,
                         nxagentOption(Width), nxagentOption(Height));
 
+  /* if we had AutoGrab before entering fullscreen reactivate it now */
+  if (nxagentOption(AutoGrab))
+    nxagentGrabPointerAndKeyboard(NULL);
+
   nxagentSetPrintGeometry(pScreen -> myNum);
 }