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/* This module implements and interface to the Newt library */
#include <stdio.h>
#include <slang.h>
#include <newt.h>
SLANG_MODULE(newt);
static int Ok_To_Draw;
static void init (void)
{
newtInit ();
Ok_To_Draw = 1;
}
static void cls (void)
{
if (Ok_To_Draw)
newtCls ();
}
static void draw_root_text (int *c, int *r, char *s)
{
if (Ok_To_Draw)
newtDrawRootText (*c, *r, s);
}
static void open_window (int *c, int *r, int *dc, int *dr, char *title)
{
if (Ok_To_Draw)
newtOpenWindow (*c, *r, *dc, *dr, title);
}
static void refresh (void)
{
if (Ok_To_Draw)
newtRefresh ();
}
static void finished (void)
{
if (Ok_To_Draw)
newtFinished ();
Ok_To_Draw = 0;
}
#define I SLANG_INT_TYPE
#define S SLANG_STRING_TYPE
static SLang_Intrin_Fun_Type Module_Funs [] =
{
MAKE_INTRINSIC_0("newtInit", init, SLANG_VOID_TYPE),
MAKE_INTRINSIC_0("newtCls", cls, SLANG_VOID_TYPE),
MAKE_INTRINSIC_IIS("newtDrawRootText", draw_root_text, SLANG_VOID_TYPE),
MAKE_INTRINSIC_5("newtOpenWindow", open_window, SLANG_VOID_TYPE, I,I,I,I,S),
MAKE_INTRINSIC_0("newtRefresh", refresh, SLANG_VOID_TYPE),
MAKE_INTRINSIC_0("NewtFinished", finished, SLANG_VOID_TYPE),
SLANG_END_TABLE
};
static SLang_Intrin_Var_Type Module_Variables [] =
{
SLANG_END_TABLE
};
static SLang_IConstant_Type Module_Constants [] =
{
SLANG_END_TABLE
};
int init_newt_module_ns (char *ns)
{
if ((-1 == SLns_add_intrin_fun_table (ns, Module_Funs, "__NEWT__"))
|| (-1 == SLns_add_intrin_var_table (ns, Module_Variables, NULL))
|| (-1 == SLns_add_iconstant_table (ns, Module_Constants, NULL)))
return -1;
Ok_To_Draw = 0;
(void) SLang_add_cleanup_function (finished);
return 0;
}
/* This function is optional */
void deinit_newt_module (void)
{
finished ();
}
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