Initial revision

1 files changed, 103 insertions, 0 deletions

diff --git a/lwlib/lwlib.h b/lwlib/lwlib.h
new file mode 100644
index 00000000000..195bbb5df8b
--- /dev/null
+++ b/lwlib/lwlib.h
@@ -0,0 +1,103 @@
+#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)
+*/
+
+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;
+  /* 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);
+
+#endif /* LWLIB_H */