tkAppInit.c
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上传日期:2015-12-11
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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) 1994-1997 Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * RCS: @(#) $Id: tkAppInit.c,v 1.7 2002/06/21 20:24:29 dgp Exp $
- */
- #include "tk.h"
- #include "locale.h"
- #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. */
- {
- /*
- * The following #if block allows you to change the AppInit
- * function by using a #define of TCL_LOCAL_APPINIT instead
- * of rewriting this entire file. The #if checks for that
- * #define and uses Tcl_AppInit if it doesn't exist.
- */
-
- #ifndef TK_LOCAL_APPINIT
- #define TK_LOCAL_APPINIT Tcl_AppInit
- #endif
- extern int TK_LOCAL_APPINIT _ANSI_ARGS_((Tcl_Interp *interp));
-
- /*
- * The following #if block allows you to change how Tcl finds the startup
- * script, prime the library or encoding paths, fiddle with the argv,
- * etc., without needing to rewrite Tk_Main()
- */
-
- #ifdef TK_LOCAL_MAIN_HOOK
- extern int TK_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv));
- TK_LOCAL_MAIN_HOOK(&argc, &argv);
- #endif
- Tk_Main(argc, argv, TK_LOCAL_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 the interp's 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, Tk_SafeInit);
- #ifdef TK_TEST
- if (Tktest_Init(interp) == TCL_ERROR) {
- return TCL_ERROR;
- }
- Tcl_StaticPackage(interp, "Tktest", Tktest_Init,
- (Tcl_PackageInitProc *) NULL);
- #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.
- */
- /*
- * 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", "~/.wishrc", TCL_GLOBAL_ONLY);
- return TCL_OK;
- }