157 lines
4.2 KiB
C
Executable File
157 lines
4.2 KiB
C
Executable File
/*
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* tkAppInit.c --
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*
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* Provides a default version of the main program and Tcl_AppInit
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* procedure for wish and other 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) 1994-1997 Sun Microsystems, Inc.
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* Copyright (c) 1998-1999 Scriptics Corporation.
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*
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* See the file "license.terms" for information on usage and redistribution of
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* this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*/
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#undef BUILD_tk
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#undef STATIC_BUILD
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#include "tk.h"
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#ifdef TK_TEST
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extern Tcl_PackageInitProc Tktest_Init;
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#endif /* TK_TEST */
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/*
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* The following #if block allows you to change the AppInit function by using
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* a #define of TCL_LOCAL_APPINIT instead of rewriting this entire file. The
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* #if checks for that #define and uses Tcl_AppInit if it doesn't exist.
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*/
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#ifndef TK_LOCAL_APPINIT
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#define TK_LOCAL_APPINIT Tcl_AppInit
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#endif
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#ifndef MODULE_SCOPE
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# define MODULE_SCOPE extern
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#endif
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MODULE_SCOPE int TK_LOCAL_APPINIT(Tcl_Interp *);
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MODULE_SCOPE int main(int, char **);
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/*
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* The following #if block allows you to change how Tcl finds the startup
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* script, prime the library or encoding paths, fiddle with the argv, etc.,
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* without needing to rewrite Tk_Main()
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*/
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#ifdef TK_LOCAL_MAIN_HOOK
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MODULE_SCOPE int TK_LOCAL_MAIN_HOOK(int *argc, char ***argv);
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#endif
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/* Make sure the stubbed variants of those are never used. */
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#undef Tcl_ObjSetVar2
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#undef Tcl_NewStringObj
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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 returns
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* either.
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*
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* Side effects:
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* Just about anything, since from here we call arbitrary Tcl code.
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*
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*----------------------------------------------------------------------
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*/
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int
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main(
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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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#ifdef TK_LOCAL_MAIN_HOOK
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TK_LOCAL_MAIN_HOOK(&argc, &argv);
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#endif
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Tk_Main(argc, argv, TK_LOCAL_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. Most
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* applications, especially those that incorporate additional packages,
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* 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 message in
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* the interp's 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(
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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, 0);
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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 look
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* 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. (Dynamically-loadable packages
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* should have the same entry-point name.)
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*/
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/*
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* Call Tcl_CreateObjCommand for application-specific commands, if they
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* 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 is
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* run interactively. Typically the startup file is "~/.apprc" where "app"
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* is the name of the application. If this line is deleted then no user-
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* specific startup file will be run under any conditions.
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*/
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Tcl_ObjSetVar2(interp, Tcl_NewStringObj("tcl_rcFileName", -1), NULL,
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Tcl_NewStringObj("~/.wishrc", -1), TCL_GLOBAL_ONLY);
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return TCL_OK;
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}
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/*
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* Local Variables:
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* mode: c
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* c-basic-offset: 4
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* fill-column: 78
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* End:
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*/
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