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/*
* 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 "tcl-license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
/* static char sccsid[] = "@(#) tkAppInit.c 1.12 94/12/17 16:30:56"; */
#include <stdlib.h>
#include <string.h>
#include "tk.h"
#include "newgap_cmds.h"
#include "gap-tcl.h"
/*
* The following variable is a special hack that is needed in order for
* Sun shared libraries to be used for Tcl.
*/
#ifdef NEED_MATHERR
extern int matherr();
int *tclDummyMathPtr = (int *) matherr;
#endif
/*
*----------------------------------------------------------------------
*
* 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(int argc, char **argv) {
extern char *prog_name;
prog_name = argv[0];
Tcl_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 tkinit(ClientData clientData, Tcl_Interp *interp, int argc, char **argv) {
return Tk_Init(interp);
}
int
Tcl_AppInit(Tcl_Interp *interp)
{
extern int Tk_utils_Init(Tcl_Interp *);
extern int Gap_Init(Tcl_Interp *interp);
char *lib, buf[1025];
/*
* Redefine TCL_LIBRARY and TK_LIBRARY to the staden package versions
* in $STADLIB/{tcl,tk}.
*/
if (NULL != (lib = getenv("STADLIB"))) {
sprintf(buf, "TCL_LIBRARY=%s/tcl", lib);
Tcl_PutEnv(buf);
sprintf(buf, "TK_LIBRARY=%s/tk", lib);
Tcl_PutEnv(buf);
}
if (Tcl_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
/*
if (Tk_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
*/
Tcl_CreateCommand(interp, "tkinit", tkinit,
(ClientData)NULL, NULL);
/*
* 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.
*/
/* Library init routines */
if (Tk_utils_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
/* Gap4 init routines */
if (Gap_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.
*/
{
char *s, c[10];
/*
* Set packages(name). This is done to prevent subsequent reloading
* of this library (for efficiency reasons). The only reason that this
* is necessary is that currently gap4 dynamically links with some
* libraries at link time. When they're all at run time this won't
* be necessary.
*/
if (NULL != (s = Tcl_GetVar2(interp, "packages", "gap", TCL_GLOBAL_ONLY)))
sprintf(c, "%d", atoi(s)|2);
else
strcpy(c, "2");
Tcl_SetVar2(interp, "packages", "gap", c, TCL_GLOBAL_ONLY);
}
/*
* 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", "~/.wishrc", TCL_GLOBAL_ONLY);
return TCL_OK;
}
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