ocaml/otherlibs/labltk/tkanim/tkAppInit.c

/***********************************************************************/
/*                                                                     */
/*                 MLTk, Tcl/Tk interface of Objective Caml            */
/*                                                                     */
/*    Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis    */
/*               projet Cristal, INRIA Rocquencourt                    */
/*            Jacques Garrigue, Kyoto University RIMS                  */
/*                                                                     */
/*  Copyright 2002 Institut National de Recherche en Informatique et   */
/*  en Automatique and Kyoto University.  All rights reserved.         */
/*  This file is distributed under the terms of the GNU Library        */
/*  General Public License, with the special exception on linking      */
/*  described in file LICENSE found in the Objective Caml source tree. */
/*                                                                     */
/***********************************************************************/
/* 
 * tkAppInit.c --
 *
 *      Provides a default version of the Tcl_AppInit procedure for
 *      use in wish and similar Tk-based applications.
 *
 * Copyright (c) 1993 The Regents of the University of California.
 * Copyright (c) 1994 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#ifndef lint
static char sccsid[] = "@(#) tkAppInit.c 1.19 95/12/23 17:09:24";
#endif /* not lint */

#include "tk.h"

int     Tkanimation_Init _ANSI_ARGS_ ((Tcl_Interp *interp));

/*
 * The following variable is a special hack that is needed in order for
 * Sun shared libraries to be used for Tcl.
 */

extern int matherr();
int *tclDummyMathPtr = (int *) matherr;

#ifdef TK_TEST
EXTERN int              Tktest_Init _ANSI_ARGS_((Tcl_Interp *interp));
#endif /* TK_TEST */

/*
 *----------------------------------------------------------------------
 *
 * main --
 *
 *      This is the main program for the application.
 *
 * Results:
 *      None: Tk_Main never returns here, so this procedure never
 *      returns either.
 *
 * Side effects:
 *      Whatever the application does.
 *
 *----------------------------------------------------------------------
 */

int
main(argc, argv)
    int argc;                   /* Number of command-line arguments. */
    char **argv;                /* Values of command-line arguments. */
{
    Tk_Main(argc, argv, Tcl_AppInit);
    return 0;                   /* Needed only to prevent compiler warning. */
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_AppInit --
 *
 *      This procedure performs application-specific initialization.
 *      Most applications, especially those that incorporate additional
 *      packages, will have their own version of this procedure.
 *
 * Results:
 *      Returns a standard Tcl completion code, and leaves an error
 *      message in interp->result if an error occurs.
 *
 * Side effects:
 *      Depends on the startup script.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_AppInit(interp)
    Tcl_Interp *interp;         /* Interpreter for application. */
{
    if (Tcl_Init(interp) == TCL_ERROR) {
        return TCL_ERROR;
    }
    if (Tk_Init(interp) == TCL_ERROR) {
        return TCL_ERROR;
    }
    Tcl_StaticPackage(interp, "Tk", Tk_Init, (Tcl_PackageInitProc *) NULL);
#ifdef TK_TEST
    if (Tktest_Init(interp) == TCL_ERROR) {
        return TCL_ERROR;
    }
#endif /* TK_TEST */


    /*
     * Call the init procedures for included packages.  Each call should
     * look like this:
     *
     * if (Mod_Init(interp) == TCL_ERROR) {
     *     return TCL_ERROR;
     * }
     *
     * where "Mod" is the name of the module.
     */

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

    /*
     * Call Tcl_CreateCommand for application-specific commands, if
     * they weren't already created by the init procedures called above.
     */

    /*
     * Specify a user-specific startup file to invoke if the application
     * is run interactively.  Typically the startup file is "~/.apprc"
     * where "app" is the name of the application.  If this line is deleted
     * then no user-specific startup file will be run under any conditions.
     */

    Tcl_SetVar(interp, "tcl_rcFileName", "~/.tkanimationrc", TCL_GLOBAL_ONLY);
    return TCL_OK;
}