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Diffstat (limited to 'unix/tkAppInit.c')
-rw-r--r-- | unix/tkAppInit.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/unix/tkAppInit.c b/unix/tkAppInit.c new file mode 100644 index 0000000..6b6b2e2 --- /dev/null +++ b/unix/tkAppInit.c @@ -0,0 +1,120 @@ +/* + * 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 1.22 96/05/29 09:47:08 + */ + +#include "tk.h" + +/* + * The following variable is a special hack that is needed in order for + * Sun shared libraries to be used for Tcl. + */ + +extern int matherr(); +int *tclDummyMathPtr = (int *) matherr; + +#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. */ +{ + Tk_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(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; +} |