Import Tk 8.5.15 (as of svn r89086)

unix/tkAppInit.c

@@ -0,0 +1,141 @@
+/*
+ * 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.
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+#include "tk.h"
+#include "locale.h"
+
+#ifdef TK_TEST
+extern int		Tktest_Init(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(
+    int argc,			/* Number of command-line arguments. */
+    char **argv)		/* Values of command-line arguments. */
+{
+    /*
+     * 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 (Tcl_Interp *interp);
+
+    /*
+     * 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()
+     */
+
+#ifdef TK_LOCAL_MAIN_HOOK
+    extern int TK_LOCAL_MAIN_HOOK (int *argc, char ***argv);
+    TK_LOCAL_MAIN_HOOK(&argc, &argv);
+#endif
+
+    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(
+    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;
+}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */