loadTk man page on Tru64

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Safe Tk(n)		     Tk Built-In Commands		    Safe Tk(n)

______________________________________________________________________________

NAME
       loadTk - Load Tk into a safe interpreter.

SYNOPSIS
       ::safe::loadTk slave ?-use windowId? ?-display displayName?
_________________________________________________________________

       Safe  Tk	 is  based on Safe Tcl, which provides a mechanism that allows
       restricted and mediated access to auto-loading and  packages  for  safe
       interpreters.   Safe  Tk	 adds the ability to configure the interpreter
       for safe Tk operations and load Tk into safe interpreters.

DESCRIPTION
       The ::safe::loadTk command initializes the required data structures  in
       the  named  safe	 interpreter  and  then loads Tk into it.  The command
       returns the name of the safe interpreter.  If -use  is  specified,  the
       window identified by the specified system dependent identifier windowId
       is used to contain the ``.''  window of the safe interpreter; it can be
       any  valid  id,	eventually  referencing	 a window belonging to another
       application. As a convenience, if the window you plan to use  is	 a  Tk
       Window  of  the	application  you  can  use  the window name (eg: .x.y)
       instead of its window Id ([winfo id .x.y]).  When -use  is  not	speci‐
       fied, a new toplevel window is created for the ``.'' window of the safe
       interpreter. On X11 if you want the embedded window to use another dis‐
       play  than the default one, specify it with -display.  See the SECURITY
       ISSUES section below for implementation details.

SECURITY ISSUES
       Please read the safe manual page for Tcl to learn about the basic secu‐
       rity considerations for Safe Tcl.

       ::safe::loadTk  adds  the  value	 of  tk_library	 taken from the master
       interpreter to the virtual access path of the safe interpreter so  that
       auto-loading will work in the safe interpreter.

       Tk  initialization is now safe with respect to not trusting the slave's
       state for startup. ::safe::loadTk registers the slave's	name  so  when
       the  Tk	initialization	(Tk_SafeInit)  is called and in turn calls the
       master's ::safe::InitTk it will	return	the  desired  argv  equivalent
       (-use windowId, correct -display, etc...).

       When  -use is not used, the new toplevel created is specially decorated
       so the user is always aware that the  user  interface  presented	 comes
       from  a potentially unsafe code and can easily delete the corresponding
       interpreter.

       On X11, conflicting -use and -display are likely to generate a fatal  X
       error.

SEE ALSO
       safe(n),	  interp(n),   library(n),   load(n),  package(n),  source(n),
       unknown(n)

KEYWORDS
       alias,  auto-loading,  auto_mkindex,  load,  master  interpreter,  safe
       interpreter, slave interpreter, source

Tk				      8.0			    Safe Tk(n)
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