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authorWilliam Joye <wjoye@cfa.harvard.edu>2016-10-18 17:31:55 (GMT)
committerWilliam Joye <wjoye@cfa.harvard.edu>2016-10-18 17:31:55 (GMT)
commit39e34335fb6eb6eaf2b7ee51ccf172006dd46fbb (patch)
tree8e5374666c7f0b3017176ec9d6e6b6eae0dcabac /tk8.6/unix/tkAppInit.c
parent066971b1e6e77991d9161bb0216a63ba94ea04f9 (diff)
parent6b095f3c8521ca7215e6ff5dcbada52b197ef7d0 (diff)
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Merge commit '6b095f3c8521ca7215e6ff5dcbada52b197ef7d0' as 'tk8.6'
Diffstat (limited to 'tk8.6/unix/tkAppInit.c')
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diff --git a/tk8.6/unix/tkAppInit.c b/tk8.6/unix/tkAppInit.c
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+/*
+ * tkAppInit.c --
+ *
+ * Provides a default version of the main program and Tcl_AppInit
+ * procedure for wish and other Tk-based applications.
+ *
+ * Copyright (c) 1993 The Regents of the University of California.
+ * Copyright (c) 1994-1997 Sun Microsystems, Inc.
+ * Copyright (c) 1998-1999 Scriptics Corporation.
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+#undef BUILD_tk
+#undef STATIC_BUILD
+#include "tk.h"
+
+#ifdef TK_TEST
+extern Tcl_PackageInitProc Tktest_Init;
+#endif /* TK_TEST */
+
+/*
+ * 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
+#ifndef MODULE_SCOPE
+# define MODULE_SCOPE extern
+#endif
+MODULE_SCOPE int TK_LOCAL_APPINIT(Tcl_Interp *);
+MODULE_SCOPE int main(int, char **);
+
+/*
+ * 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
+MODULE_SCOPE int TK_LOCAL_MAIN_HOOK(int *argc, char ***argv);
+#endif
+
+/* Make sure the stubbed variants of those are never used. */
+#undef Tcl_ObjSetVar2
+#undef Tcl_NewStringObj
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * main --
+ *
+ * This is the main program for the application.
+ *
+ * Results:
+ * None: Tk_Main never returns here, so this procedure never returns
+ * either.
+ *
+ * Side effects:
+ * Just about anything, since from here we call arbitrary Tcl code.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+main(
+ int argc, /* Number of command-line arguments. */
+ char **argv) /* Values of command-line arguments. */
+{
+#ifdef TK_LOCAL_MAIN_HOOK
+ 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, 0);
+#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. (Dynamically-loadable packages
+ * should have the same entry-point name.)
+ */
+
+ /*
+ * Call Tcl_CreateObjCommand 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_ObjSetVar2(interp, Tcl_NewStringObj("tcl_rcFileName", -1), NULL,
+ Tcl_NewStringObj("~/.wishrc", -1), TCL_GLOBAL_ONLY);
+ return TCL_OK;
+}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */