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/* appinit.c -- Tcl and Tk application initialization.

   The function Tcl_AppInit() below initializes various Tcl packages.
   It is called for each Tcl interpreter created by _tkinter.create().
   It needs to be compiled with -DWITH_<package> flags for each package
   that you are statically linking with.  You may have to add sections
   for packages not yet listed below.

   Note that those packages for which Tcl_StaticPackage() is called with
   a NULL first argument are known as "static loadable" packages to
   Tcl but not actually initialized.  To use these, you have to load
   it explicitly, e.g. tkapp.eval("load {} Blt").
 */

#include <string.h>
#include <tcl.h>
#include <tk.h>

#include "tkinter.h"

int
Tcl_AppInit(Tcl_Interp *interp)
{
    const char *_tkinter_skip_tk_init;

    if (Tcl_Init (interp) == TCL_ERROR)
        return TCL_ERROR;

#ifdef WITH_XXX
        /* Initialize modules that don't require Tk */
#endif

    _tkinter_skip_tk_init =     Tcl_GetVar(interp,
                    "_tkinter_skip_tk_init", TCL_GLOBAL_ONLY);
    if (_tkinter_skip_tk_init != NULL &&
                    strcmp(_tkinter_skip_tk_init, "1") == 0) {
        return TCL_OK;
    }

    if (Tk_Init(interp) == TCL_ERROR) {
        return TCL_ERROR;
    }

    Tk_MainWindow(interp);

#ifdef WITH_PIL /* 0.2b5 and later -- not yet released as of May 14 */
    {
        extern void TkImaging_Init(Tcl_Interp *);
        TkImaging_Init(interp);
        /* XXX TkImaging_Init() doesn't have the right return type */
        /*Tcl_StaticPackage(interp, "Imaging", TkImaging_Init, NULL);*/
    }
#endif

#ifdef WITH_PIL_OLD /* 0.2b4 and earlier */
    {
        extern void TkImaging_Init(void);
        /* XXX TkImaging_Init() doesn't have the right prototype */
        /*Tcl_StaticPackage(interp, "Imaging", TkImaging_Init, NULL);*/
    }
#endif

#ifdef WITH_TIX
    {
        extern int Tix_Init(Tcl_Interp *interp);
        extern int Tix_SafeInit(Tcl_Interp *interp);
        Tcl_StaticPackage(NULL, "Tix", Tix_Init, Tix_SafeInit);
    }
#endif

#ifdef WITH_BLT
    {
        extern int Blt_Init(Tcl_Interp *);
        extern int Blt_SafeInit(Tcl_Interp *);
        Tcl_StaticPackage(NULL, "Blt", Blt_Init, Blt_SafeInit);
    }
#endif

#ifdef WITH_TOGL
    {
        /* XXX I've heard rumors that this doesn't work */
        extern int Togl_Init(Tcl_Interp *);
        /* XXX Is there no Togl_SafeInit? */
        Tcl_StaticPackage(NULL, "Togl", Togl_Init, NULL);
    }
#endif

#ifdef WITH_XXX

#endif
    return TCL_OK;
}