archie/tk3.6/tkTest.c

/* 
 * tclTest.c --
 *
 *	This file contains C command procedures for a bunch of additional
 *	Tcl commands that are used for testing out Tcl's C interfaces.
 *	These commands are not normally included in Tcl applications;
 *	they're only used for testing.
 *
 * Copyright (c) 1993 The Regents of the University of California.
 * All rights reserved.
 *
 * Permission is hereby granted, without written agreement and without
 * license or royalty fees, to use, copy, modify, and distribute this
 * software and its documentation for any purpose, provided that the
 * above copyright notice and the following two paragraphs appear in
 * all copies of this software.
 * 
 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 */

#ifndef lint
static char rcsid[] = "$Header: /user6/ouster/wish/RCS/tkTest.c,v 1.6 93/08/26 14:38:22 ouster Exp $ SPRITE (Berkeley)";
#endif /* not lint */

#include "tk.h"
#include "tkConfig.h"	

/*
 * The following variable is a special hack that allows applications
 * to be linked using the procedure "main" from the Tcl library.  The
 * variable generates a reference to "main", which causes main to
 * be brought in from the library (and all of Tcl with it).
 */

extern int main();
int *tclDummyMainPtr = (int *) main;

/*
 * Forward declarations for procedures defined later in this file:
 */

static int		TestmakeexistCmd _ANSI_ARGS_((ClientData dummy,
			    Tcl_Interp *interp, int argc, char **argv));

/*
 *----------------------------------------------------------------------
 *
 * 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. */
{
    Tk_Window main;

    main = Tk_MainWindow(interp);
    if (main == NULL) {
	return TCL_ERROR;
    }

    /*
     * 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 (Tcl_Init(interp) == TCL_ERROR) {
	return TCL_ERROR;
    }
    if (Tk_Init(interp) == TCL_ERROR) {
	return TCL_ERROR;
    }

    /*
     * Create additional commands for testing Tk.
     */

    Tcl_CreateCommand(interp, "testmakeexist", TestmakeexistCmd,
	    (ClientData) Tk_MainWindow(interp), (Tcl_CmdDeleteProc *) NULL);

    /*
     * 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_RcFileName = "~/.wishrc";
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *
 * TestmakeexistCmd --
 *
 *	This procedure implements the "testmakeexist" command.  It calls
 *	Tk_MakeWindowExist on each of its arguments to force the windows
 *	to be created.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	Creates and deletes interpreters.
 *
 *----------------------------------------------------------------------
 */

	/* ARGSUSED */
static int
TestmakeexistCmd(clientData, interp, argc, argv)
    ClientData clientData;		/* Main window for application. */
    Tcl_Interp *interp;			/* Current interpreter. */
    int argc;				/* Number of arguments. */
    char **argv;			/* Argument strings. */
{
    Tk_Window main = (Tk_Window) clientData;
    int i;
    Tk_Window tkwin;

    for (i = 1; i < argc; i++) {
	tkwin = Tk_NameToWindow(interp, argv[i], main);
	if (tkwin == NULL) {
	    return TCL_ERROR;
	}
	Tk_MakeWindowExist(tkwin);
    }

    return TCL_OK;
}