1 files changed, 63 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_screen.h b/source/blender/blenkernel/BKE_screen.h
index df904d3e08a..129093f6078 100644
--- a/source/blender/blenkernel/BKE_screen.h
+++ b/source/blender/blenkernel/BKE_screen.h
@@ -31,7 +31,70 @@
 #ifndef BKE_SCREEN_H
 #define BKE_SCREEN_H
 
+struct SpaceType;
+struct ScrArea;
+struct bScreen;
+struct ARegion;
+struct wmNotifier;
+struct wmWindowManager;
+struct ListBase;
+
+/* spacetype has everything stored to get an editor working, it gets initialized via 
+spacetypes_init() in editors/area/spacetypes.c   */
+/* an editor in Blender is a combined ScrArea + SpaceType + SpaceData */
+
+typedef struct SpaceType {
+	struct SpaceType *next, *prev;
+	
+	char			name[32];					/* for menus */
+	int				spaceid;					/* unique space identifier */
+	int				iconid;						/* icon lookup for menus */
+	
+	/* calls init too */
+	struct SpaceLink	*(*new)(void);
+	/* not free spacelink itself */
+	void		(*free)(struct SpaceLink *);
+	
+	/* init is to cope with internal contextual changes, adds handlers,
+	 * sets screarea regions */
+	void		(*init)(struct wmWindowManager *, struct ScrArea *);
+	/* refresh is for external bContext changes */
+	void		(*refresh)(struct bContext *, struct ScrArea *);
+	
+	/* after a spacedata copy, an init should result in exact same situation */
+	struct SpaceLink	*(*duplicate)(struct SpaceLink *);
+
+	/* register operator types on startup */
+	void		(*operatortypes)(void);
+	/* add default items to keymap */
+	void		(*keymap)(struct wmWindowManager *);
+
+	/* read and write... */
+	
+} SpaceType;
+
+/* region type gets allocated and freed in spacetype init/free callback */
+/* data storage for regions is in space struct (also width/height of regions!) */
+typedef struct ARegionType {
+	
+	void		(*init)(const struct bContext *, struct ARegion *);		/* add handlers, stuff you only do once or on area/region changes */
+	void		(*refresh)(const struct bContext *, struct ARegion *);		/* refresh to match contextual changes */
+	void		(*draw)(const struct bContext *, struct ARegion *);		/* draw entirely, windowsize changes should be handled here */
+	
+	void		(*listener)(struct ARegion *, struct wmNotifier *);
+	void		(*free)(struct ARegion *);
+} ARegionType;
+
+
+void BKE_screen_area_free(struct ScrArea *sa);
+void BKE_area_region_free(struct ARegion *ar);
 void free_screen(struct bScreen *sc); 
 
+struct SpaceType *BKE_spacetype_from_id(int spaceid);
+const struct ListBase *BKE_spacetypes_list(void);
+void BKE_spacetype_register(struct SpaceType *st);
+void BKE_spacedata_freelist(ListBase *lb);
+void BKE_spacedata_copylist(ListBase *lb1, ListBase *lb2);
+
 #endif