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author | William Joye <wjoye@cfa.harvard.edu> | 2016-10-18 17:31:55 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2016-10-18 17:31:55 (GMT) |
commit | 39e34335fb6eb6eaf2b7ee51ccf172006dd46fbb (patch) | |
tree | 8e5374666c7f0b3017176ec9d6e6b6eae0dcabac /tk8.6/unix/tkAppInit.c | |
parent | 066971b1e6e77991d9161bb0216a63ba94ea04f9 (diff) | |
parent | 6b095f3c8521ca7215e6ff5dcbada52b197ef7d0 (diff) | |
download | blt-39e34335fb6eb6eaf2b7ee51ccf172006dd46fbb.zip blt-39e34335fb6eb6eaf2b7ee51ccf172006dd46fbb.tar.gz blt-39e34335fb6eb6eaf2b7ee51ccf172006dd46fbb.tar.bz2 |
Merge commit '6b095f3c8521ca7215e6ff5dcbada52b197ef7d0' as 'tk8.6'
Diffstat (limited to 'tk8.6/unix/tkAppInit.c')
-rw-r--r-- | tk8.6/unix/tkAppInit.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/tk8.6/unix/tkAppInit.c b/tk8.6/unix/tkAppInit.c new file mode 100644 index 0000000..13bcdde --- /dev/null +++ b/tk8.6/unix/tkAppInit.c @@ -0,0 +1,156 @@ +/* + * 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: + */ |