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

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NAME

       loadTk - Load Tk into a safe interpreter.

SYNOPSIS

       ::safe::loadTk slave ?-use windowId? ?-display displayName?
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DESCRIPTION

       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.

       The ::safe::loadTk command initializes the required data structures in the named safe interpreter and then loads Tk into  it.   The  inter-
       preter  must have been created with ::safe::interpCreate or have been initialized with ::safe::interpInit.  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 (e.g. .x.y) instead of its  window
       Id  ([winfo id .x.y]).  When -use is not specified, a new toplevel window is created for the "."  window of the safe interpreter. On X11 if
       you want the embedded window to use another display 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 security 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)