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#ifndef LWLIB_H
#define LWLIB_H
#include <X11/Intrinsic.h>
/*
** Widget values depend on the Widget type:
**
** widget: (name value key enabled data contents/selected)
**
** label: ("name" "string" NULL NULL NULL NULL)
** button: ("name" "string" "key" T/F data <default-button-p>)
** button w/menu:
** ("name" "string" "key" T/F data (label|button|button w/menu...))
** menubar: ("name" NULL NULL T/F data (button w/menu))
** selectable thing:
** ("name" "string" "key" T/F data T/F)
** checkbox: selectable thing
** radio: ("name" NULL NULL T/F data (selectable thing...))
** strings: ("name" NULL NULL T/F data (selectable thing...))
** text: ("name" "string" <ign> T/F data)
** main: ("name")
*/
typedef unsigned long LWLIB_ID;
typedef enum _change_type
{
NO_CHANGE = 0,
INVISIBLE_CHANGE = 1,
VISIBLE_CHANGE = 2,
STRUCTURAL_CHANGE = 3
} change_type;
typedef struct _widget_value
{
/* name of widget */
char* name;
/* value (meaning depend on widget type) */
char* value;
/* keyboard equivalent. no implications for XtTranslations */
char* key;
/* true if enabled */
Boolean enabled;
/* true if selected */
Boolean selected;
/* true if was edited (maintained by get_value) */
Boolean edited;
/* true if has changed (maintained by lw library) */
change_type change;
/* true if this widget itself has changed,
but not counting the other widgets found in the `next' field. */
change_type this_one_change;
/* Contents of the sub-widgets, also selected slot for checkbox */
struct _widget_value* contents;
/* data passed to callback */
XtPointer call_data;
/* next one in the list */
struct _widget_value* next;
/* slot for the toolkit dependent part. Always initialize to NULL. */
void* toolkit_data;
/* tell us if we should free the toolkit data slot when freeing the
widget_value itself. */
Boolean free_toolkit_data;
/* we resource the widget_value structures; this points to the next
one on the free list if this one has been deallocated.
*/
struct _widget_value *free_list;
} widget_value;
typedef void (*lw_callback) (/* Widget w, LWLIB_ID id, void* data */);
void lw_register_widget (/* char* type, char* name, LWLIB_ID id,
widget_value* val, lw_callback pre_activate_cb,
lw_callback selection_cb,
lw_callback post_activate_cb */);
Widget lw_get_widget (/* LWLIB_ID id, Widget parent, Boolean pop_up_p */);
Widget lw_make_widget (/* LWLIB_ID id, Widget parent, Boolean pop_up_p */);
Widget lw_create_widget (/* char* type, char* name, LWLIB_ID id,
widget_value* val, Widget parent, Boolean pop_up_p,
lw_callback pre_activate_cb,
lw_callback selection_cb,
lw_callback post_activate_cb */);
LWLIB_ID lw_get_widget_id (/* Widget w */);
void lw_modify_all_widgets (/* LWLIB_ID id, widget_value* val, Boolean deep_p */);
void lw_destroy_widget (/* Widget w */);
void lw_destroy_all_widgets (/* LWLIB_ID id */);
void lw_destroy_everything (/* void */);
void lw_destroy_all_pop_ups (/* void */);
Widget lw_raise_all_pop_up_widgets (/* void */);
widget_value* lw_get_all_values (/* LWLIB_ID id */);
Boolean lw_get_some_values (/* LWLIB_ID id, widget_value* val */);
void lw_pop_up_all_widgets (/* LWLIB_ID id */);
void lw_pop_down_all_widgets (/* LWLIB_ID id */);
widget_value *malloc_widget_value ();
void free_widget_value (/* widget_value * */);
void lw_popup_menu (/* Widget */);
/* Toolkit independent way of focusing on a Widget at the Xt level. */
void lw_set_keyboard_focus (/* Widget parent, Widget w */);
/* Silly Energize hack to invert the "sheet" button */
void lw_show_busy (/* Widget w, Boolean busy */);
/* Silly hack to assist with Lucid/Athena geometry management. */
void lw_refigure_widget (/* Widget w, Boolean doit */);
/* Toolkit independent way of determining if an event occurred on a
menubar. */
Boolean lw_window_is_in_menubar (/* Window win, Widget menubar_widget */);
/* Manage resizing: TRUE permits resizing widget w; FALSE disallows it. */
void lw_allow_resizing (/* Widget w, Boolean flag */);
/* Set up the main window. */
void lw_set_main_areas (/* Widget parent,
Widget menubar,
Widget work_area */);
#endif /* LWLIB_H */
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