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#ifndef INCLUDED_lwlib_internal_h_
#define INCLUDED_lwlib_internal_h_
#include "lwlib.h"
#ifdef USE_ASSERTIONS
/* Highly dubious kludge */
/* (thanks, Jamie, I feel better now -- ben) */
void assert_failed (const char *, int, const char *);
# define abort() (assert_failed (__FILE__, __LINE__, "abort()"))
# define assert(x) ((x) ? (void) 0 : assert_failed (__FILE__, __LINE__, #x))
#else
# ifdef DEBUG_XEMACS
# define assert(x) ((x) ? (void) 0 : (void) abort ())
# else
# define assert(x)
# endif
#endif
/* This represents a single widget within a widget tree. All the
widgets in a widget tree are chained through the `next' field.
`info' is a back pointer to the widget tree. */
typedef struct _widget_instance
{
Widget widget;
Widget parent;
Boolean pop_up_p;
struct _widget_info* info;
struct _widget_instance* next;
} widget_instance;
/* This represents a single widget tree, such as a single menubar.
The global variable `all_widget_info' lists all widget trees,
chained through the `next' field of this structure. */
typedef struct _widget_info
{
char* type;
char* name;
LWLIB_ID id;
widget_value* val;
Boolean busy;
lw_callback pre_activate_cb;
lw_callback selection_cb;
lw_callback post_activate_cb;
struct _widget_instance* instances;
struct _widget_info* next;
} widget_info;
typedef Widget
(*widget_creation_function) (widget_instance* instance);
typedef struct _widget_creation_entry
{
const char* type;
widget_creation_function function;
} widget_creation_entry;
/* update all other instances of a widget. Can be used in a callback when
a widget has been used by the user */
void
lw_internal_update_other_instances (Widget widget, XtPointer closure,
XtPointer call_data);
/* get the widget_value for a widget in a given instance */
widget_value*
lw_get_widget_value_for_widget (widget_instance* instance, Widget w);
widget_info *lw_get_widget_info (LWLIB_ID id);
#endif /* INCLUDED_lwlib_internal_h_ */
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