Args.c: Add command line option -autograb.

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

@@ -1039,6 +1039,14 @@ int ddxProcessArgument(int argc, char *argv[], int i)
     return 0;
   }
 
+  if (!strcmp(argv[i], "-autograb"))
+  {
+    nxagentChangeOption(AutoGrab, True);
+
+    return 1;
+  }
+
+
   /*
    * Disable Xinerama (i.e. fake it in Screen.c) if somehow Xinerama support
    * has been disabled on the cmdline.
@@ -2195,6 +2203,7 @@ void ddxUseMsg(void)
   ErrorF("-noignore              don't ignore pointer and keyboard configuration changes mandated by clients\n");
   ErrorF("-nokbreset             don't reset keyboard device if the session is resumed\n");
   ErrorF("-noxkblock             always allow applications to change layout through XKEYBOARD\n");
+  ErrorF("-autograb              enable autograb\n");
   ErrorF("-tile WxH              size of image tiles (minimum allowed: 32x32)\n");
   ErrorF("-keystrokefile file    file with keyboard shortcut definitions\n");
   ErrorF("-verbose               print more warning and error messages\n");

nx-X11/programs/Xserver/hw/nxagent/man/nxagent.1

@@ -457,6 +457,9 @@ The nx-X11 system adds the following command line arguments:
 .B \-forcenx
 force use of NX protocol messages assuming communication through \fBnxproxy\fR
 .TP 8
+.B \-autograb
+enable autograb mode on \fBnxagent\fR startup. The autograb feature can be toggled via nxagent keystrokes
+.TP 8
 .B \-nxrealwindowprop
 set property NX_REAL_WINDOW for each X11 client inside \fBnxagent\fR,
 providing the window XID of the corresponding window object on the X