tclAppInit.cc
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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 Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * SCCS: @(#) tkAppInit.c 1.21 96/03/26 16:47:07
- */
- #ifdef notdef
- #include "tk.h"
- #endif
- #include "tclcl.h"
- extern "C" {
- #include <otcl.h>
- }
- /*
- * The following variable is a special hack that is needed in order for
- * Sun shared libraries to be used for Tcl.
- */
- extern "C" {
- extern int matherr();
- int *tclDummyMathPtr = (int *) matherr;
- }
- extern "C" {
- /* override the playform init routine in the tk library */
- int
- TkPlatformInit(Tcl_Interp *interp)
- {
- extern void TkCreateXEventSource(void);
- Tcl_SetVar(interp, "tk_library", ".", TCL_GLOBAL_ONLY);
- return (TCL_OK);
- }
- }
- /*
- *----------------------------------------------------------------------
- *
- * 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)
- {
- 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
- Tcl_AppInit(Tcl_Interp *interp)
- {
- if (Tcl_Init(interp) == TCL_ERROR) {
- return TCL_ERROR;
- }
- /*
- * 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.
- */
- if (Otcl_Init(interp) == TCL_ERROR)
- return TCL_ERROR;
- Tcl::init(interp, "xtclsh");
- #ifdef notdef
- EmbeddedTcl::load_Tk();
- EmbeddedTcl::define_rate_variable();
- EmbeddedTcl::init();
- #endif
- /*
- * 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", "~/.tclshrc", TCL_GLOBAL_ONLY);
- return TCL_OK;
- }