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578 |
markom |
/*
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* tkAppInit.c --
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*
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* Provides a default version of the Tcl_AppInit procedure for
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* use in wish and similar Tk-based applications.
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*
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* Copyright (c) 1993 The Regents of the University of California.
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* Copyright (c) 1994 Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* SCCS: @(#) tkAppInit.c 1.22 96/05/29 09:47:08
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*/
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#include "tk.h"
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#include "itk.h"
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/* include tclInt.h for access to namespace API */
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#include "tclInt.h"
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/*
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* The following variable is a special hack that is needed in order for
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* Sun shared libraries to be used for Tcl.
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*/
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extern int matherr();
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int *tclDummyMathPtr = (int *) matherr;
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#ifdef TK_TEST
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EXTERN int Tktest_Init _ANSI_ARGS_((Tcl_Interp *interp));
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#endif /* TK_TEST */
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/*
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*----------------------------------------------------------------------
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*
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* main --
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*
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* This is the main program for the application.
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*
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* Results:
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* None: Tk_Main never returns here, so this procedure never
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* returns either.
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*
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* Side effects:
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* Whatever the application does.
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*
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*----------------------------------------------------------------------
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*/
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int
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main(argc, argv)
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int argc; /* Number of command-line arguments. */
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char **argv; /* Values of command-line arguments. */
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{
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Tk_Main(argc, argv, Tcl_AppInit);
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return 0; /* Needed only to prevent compiler warning. */
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}
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/*
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*----------------------------------------------------------------------
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*
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* Tcl_AppInit --
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*
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* This procedure performs application-specific initialization.
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* Most applications, especially those that incorporate additional
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* packages, will have their own version of this procedure.
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*
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* Results:
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* Returns a standard Tcl completion code, and leaves an error
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* message in interp->result if an error occurs.
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*
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* Side effects:
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* Depends on the startup script.
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*
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*----------------------------------------------------------------------
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*/
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int
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Tcl_AppInit(interp)
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Tcl_Interp *interp; /* Interpreter for application. */
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{
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if (Tcl_Init(interp) == TCL_ERROR) {
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return TCL_ERROR;
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}
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if (Tk_Init(interp) == TCL_ERROR) {
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return TCL_ERROR;
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}
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Tcl_StaticPackage(interp, "Tk", Tk_Init, Tk_SafeInit);
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#ifdef TK_TEST
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if (Tktest_Init(interp) == TCL_ERROR) {
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return TCL_ERROR;
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}
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Tcl_StaticPackage(interp, "Tktest", Tktest_Init,
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(Tcl_PackageInitProc *) NULL);
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#endif /* TK_TEST */
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/*
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* Call the init procedures for included packages. Each call should
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* look like this:
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*
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* if (Mod_Init(interp) == TCL_ERROR) {
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* return TCL_ERROR;
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* }
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*
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* where "Mod" is the name of the module.
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*/
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if (Itcl_Init(interp) == TCL_ERROR) {
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return TCL_ERROR;
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}
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if (Itk_Init(interp) == TCL_ERROR) {
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return TCL_ERROR;
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}
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Tcl_StaticPackage(interp, "Itcl", Itcl_Init, Itcl_SafeInit);
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Tcl_StaticPackage(interp, "Itk", Itk_Init, (Tcl_PackageInitProc *) NULL);
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/*
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* This is itkwish, so import all [incr Tcl] commands by
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* default into the global namespace. Fix up the autoloader
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* to do the same.
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*/
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if (Tcl_Import(interp, Tcl_GetGlobalNamespace(interp),
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"::itk::*", /* allowOverwrite */ 1) != TCL_OK) {
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return TCL_ERROR;
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}
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if (Tcl_Import(interp, Tcl_GetGlobalNamespace(interp),
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"::itcl::*", /* allowOverwrite */ 1) != TCL_OK) {
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return TCL_ERROR;
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}
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if (Tcl_Eval(interp, "auto_mkindex_parser::slavehook { _%@namespace import -force ::itcl::* ::itk::* }") != TCL_OK) {
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return TCL_ERROR;
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}
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/*
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* Call Tcl_CreateCommand for application-specific commands, if
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* they weren't already created by the init procedures called above.
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*/
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/*
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* Specify a user-specific startup file to invoke if the application
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* is run interactively. Typically the startup file is "~/.apprc"
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* where "app" is the name of the application. If this line is deleted
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* then no user-specific startup file will be run under any conditions.
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*/
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Tcl_SetVar(interp, "tcl_rcFileName", "~/.itkwishrc", TCL_GLOBAL_ONLY);
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return TCL_OK;
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}
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