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Diffstat (limited to 'blt/src/bltUnixMain.c')
-rw-r--r-- | blt/src/bltUnixMain.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/blt/src/bltUnixMain.c b/blt/src/bltUnixMain.c new file mode 100644 index 00000000000..94ec10431ac --- /dev/null +++ b/blt/src/bltUnixMain.c @@ -0,0 +1,174 @@ +/* + * bltUnixMain.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. + * All rights reserved. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT + * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF + * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Copyright 1991-1998 by Bell Labs Innovations for Lucent Technologies. + * + * Permission to use, copy, modify, and distribute this software and + * its documentation for any purpose and without fee is hereby + * granted, provided that the above copyright notice appear in all + * copies and that both that the copyright notice and warranty + * disclaimer appear in supporting documentation, and that the names + * of Lucent Technologies any of their entities not be used in + * advertising or publicity pertaining to distribution of the software + * without specific, written prior permission. + * + * Lucent Technologies disclaims all warranties with regard to this + * software, including all implied warranties of merchantability and + * fitness. In no event shall Lucent Technologies be liable for any + * special, indirect or consequential damages or any damages + * whatsoever resulting from loss of use, data or profits, whether in + * an action of contract, negligence or other tortuous action, arising + * out of or in connection with the use or performance of this + * software. + */ + +#include <tcl.h> +#ifndef TCL_ONLY +#include <tk.h> +#endif + +#if HAVE_ITCL_H +#include "itcl.h" +#endif +#if HAVE_ITK_H +#include "itk.h" +#endif + +extern int Blt_Init _ANSI_ARGS_((Tcl_Interp *interp)); +extern int Blt_SafeInit _ANSI_ARGS_((Tcl_Interp *interp)); + +/* + * 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 + + +/* + *---------------------------------------------------------------------- + * + * 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; /* Vector of command-line arguments. */ +{ + +#ifdef TCL_ONLY + Tcl_Main(argc, argv, Tcl_AppInit); +#else + Tk_Main(argc, argv, Tcl_AppInit); +#endif + 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. */ +{ +#ifdef TCLLIBPATH + /* + * It seems that some distributions of Tcl don't compile-in a + * default location of the library. This causes Tcl_Init to fail + * if bltwish and bltsh are moved to another directory. The + * workaround is to set the magic variable "tclDefaultLibrary". + */ + Tcl_SetVar(interp, "tclDefaultLibrary", TCLLIBPATH, TCL_GLOBAL_ONLY); +#endif + if (Tcl_Init(interp) == TCL_ERROR) { + return TCL_ERROR; + } +#ifndef TCL_ONLY + if (Tk_Init(interp) == TCL_ERROR) { + return TCL_ERROR; + } +#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. + */ + if (Blt_Init(interp) == TCL_ERROR) { + return TCL_ERROR; + } + Tcl_StaticPackage(interp, "BLT", Blt_Init, Blt_SafeInit); + /* + + * 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; +} |