diff options
Diffstat (limited to 'ext/tk/tcltklib.c')
| -rw-r--r-- | ext/tk/tcltklib.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/ext/tk/tcltklib.c b/ext/tk/tcltklib.c index b088ef7cf7..d1e5f9d0d0 100644 --- a/ext/tk/tcltklib.c +++ b/ext/tk/tcltklib.c @@ -4,7 +4,7 @@ * Oct. 24, 1997 Y. Matsumoto */ -#define TCLTKLIB_RELEASE_DATE "2005-07-19" +#define TCLTKLIB_RELEASE_DATE "2005-07-22" #include "ruby.h" #include "rubysig.h" @@ -511,6 +511,7 @@ get_ip(self) } if (ptr->ip == (Tcl_Interp*)NULL) { /* rb_raise(rb_eRuntimeError, "deleted IP"); */ + return((struct tcltkip *)NULL); } return ptr; } @@ -5293,6 +5294,22 @@ ip_is_deleted_p(self) } } +static VALUE +ip_has_mainwindow_p(self) + VALUE self; +{ + struct tcltkip *ptr = get_ip(self); + + if (ptr == (struct tcltkip *)NULL || ptr->ip == (Tcl_Interp *)NULL + || Tcl_InterpDeleted(ptr->ip)) { + return Qnil; + } else if (Tk_MainWindow(ptr->ip) == (Tk_Window)NULL) { + return Qfalse; + } else { + return Qtrue; + } +} + static VALUE #ifdef HAVE_STDARG_PROTOTYPES @@ -8557,6 +8574,7 @@ Init_tcltklib() rb_define_method(ip, "allow_ruby_exit=", ip_allow_ruby_exit_set, 1); rb_define_method(ip, "delete", ip_delete, 0); rb_define_method(ip, "deleted?", ip_is_deleted_p, 0); + rb_define_method(ip, "has_mainwindow?", ip_has_mainwindow_p, 0); rb_define_method(ip, "invalid_namespace?", ip_has_invalid_namespace_p, 0); rb_define_method(ip, "_eval", ip_eval, 1); rb_define_method(ip, "_toUTF8", ip_toUTF8, -1); |