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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.
* Copyright 2001, Apple Computer, Inc.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* RCS: @(#) $Id$
*/
#include <pthread.h>
#include "tk.h"
#include "tclInt.h"
#include "locale.h"
#include <Carbon/Carbon.h>
#include "tkMacOSX.h"
#include "tkMacOSXEvent.h"
#ifndef MAX_PATH_LEN
#define MAX_PATH_LEN 1024
#endif
/*
* If the App is in an App package, then we want to add the Scripts
* directory to the auto_path. But we have to wait till after the
* Tcl_Init is run, or it gets blown away. This stores what we
* figured out in main.
*/
char scriptPath[MAX_PATH_LEN + 1];
extern Tcl_Interp *gStdoutInterp;
#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. */
{
int textEncoding; /*
* Variable used to take care of
* lazy font initialization
*/
CFBundleRef bundleRef;
/*
* 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));
scriptPath[0] = '\0';
/*
* 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(). Note, if you use this
* hook, then I won't do the CFBundle lookup, since if you are messing
* around at this level, you probably don't want me to do this for you...
*/
#ifdef TK_LOCAL_MAIN_HOOK
extern int TK_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv));
TK_LOCAL_MAIN_HOOK(&argc, &argv);
#else
/*
* On MacOS X, we look for a file in the Resources/Scripts directory
* called AppMain.tcl and if found, we set argv[1] to that, so that
* the rest of the code will find it, and add the Scripts folder to
* the auto_path. If we don't find the startup script, we just bag
* it, assuming the user is starting up some other way.
*/
bundleRef = CFBundleGetMainBundle();
if (bundleRef != NULL) {
CFURLRef appMainURL;
appMainURL = CFBundleCopyResourceURL(bundleRef,
CFSTR("AppMain"),
CFSTR("tcl"),
CFSTR("Scripts"));
if (appMainURL != NULL) {
CFURLRef scriptFldrURL;
char *startupScript = malloc(MAX_PATH_LEN + 1);
if (CFURLGetFileSystemRepresentation (appMainURL, true,
startupScript, MAX_PATH_LEN)) {
TclSetStartupScriptFileName(startupScript);
scriptFldrURL = CFBundleCopyResourceURL(bundleRef,
CFSTR("Scripts"),
NULL,
NULL);
CFURLGetFileSystemRepresentation(scriptFldrURL,
true, scriptPath, MAX_PATH_LEN);
CFRelease(scriptFldrURL);
} else {
free(startupScript);
}
CFRelease(appMainURL);
}
}
#endif
textEncoding=GetApplicationTextEncoding();
/*
* Now add the scripts folder to the auto_path.
*/
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);
if (scriptPath[0] != '\0') {
Tcl_SetVar(interp, "auto_path", scriptPath,
TCL_GLOBAL_ONLY|TCL_LIST_ELEMENT|TCL_APPEND_VALUE);
}
#ifdef TK_TEST
if (Tktest_Init(interp) == TCL_ERROR) {
return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Tktest", Tktest_Init,
(Tcl_PackageInitProc *) NULL);
#endif /* TK_TEST */
/*
* If we don't have a TTY, then use the Tk based console
* interpreter instead.
*/
if (ttyname(0) == NULL) {
Tk_InitConsoleChannels(interp);
Tcl_RegisterChannel(interp, Tcl_GetStdChannel(TCL_STDIN));
Tcl_RegisterChannel(interp, Tcl_GetStdChannel(TCL_STDOUT));
Tcl_RegisterChannel(interp, Tcl_GetStdChannel(TCL_STDERR));
if (Tk_CreateConsoleWindow(interp) == TCL_ERROR) {
goto error;
}
/* Only show the console if we don't have a startup script */
if (TclGetStartupScriptPath() == NULL) {
Tcl_Eval(interp, "console show");
}
}
/*
* 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;
error:
return TCL_ERROR;
}
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