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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.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#) tkAppInit.c 1.12 94/12/17 16:30:56";
- #endif /* not lint */
-
- #include <tk.h>
- #include "Otcl.H"
- #include "OtclOserver.H"
-
- /*
- * The following variable is a special hack that is needed in order for
- * Sun shared libraries to be used for Tcl.
- */
-
- #ifdef NEED_MATHERR
- extern int matherr();
- int *tclDummyMathPtr = (int *) matherr;
- #endif
-
- extern "C" void Tk_Main (int, char **);
-
- /*
- *----------------------------------------------------------------------
- *
- * 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)
- {
- Tk_Main(argc, argv);
- return 0; /* Needed only to prevent compiler warning. */
- }
-
-
-
-
- #ifdef OTCL_DP
- static void readableFd (ClientData cd, int)
- {
- int fd = (int)cd;
- OtclOserver::readableFd(fd);
- }
-
- static void addReadFd (int fd)
- {
- Tk_CreateFileHandler(fd,TK_READABLE | TK_EXCEPTION,readableFd,(ClientData)fd);
- }
-
- static void rmvReadFd (int fd)
- {
- Tk_DeleteFileHandler(fd);
- }
- #endif
-
- /*
- *----------------------------------------------------------------------
- *
- * 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)
- {
- Tk_Window main;
-
- main = Tk_MainWindow(interp);
-
- if (Tcl_Init(interp) == TCL_ERROR) {
- return TCL_ERROR;
- }
- if (Tk_Init(interp) == TCL_ERROR) {
- return TCL_ERROR;
- }
-
- if(Otcl_Init(interp) == TCL_ERROR) {
- return TCL_ERROR;
- }
-
- /*
- * Object Tcl - DP needs to register some functions to bind the
- * object server with Tk's event loop.
- */
- #ifdef OTCL_DP
- OtclOserver::addReadFd = addReadFd;
- OtclOserver::rmvReadFd = rmvReadFd;
- #endif
-
- /*
- * 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_RcFileName = "~/.wishrc";
- return TCL_OK;
- }
-