2.5

Resolved cyclic calls for editors. 
Now there's a space_api/ module, here you can use functions calling
other editor modules. The functions in the module are only used by
the WindowManager module to initialize space types.

Note for sconzers and MSVC and cmake: the proper linking order for
editors is:

- space_api
- space_xxx
- object / mesh / transform / etc
- interface
- util / datafiles
- screen

1 files changed, 49 insertions, 0 deletions

diff --git a/source/blender/editors/screen/area.c b/source/blender/editors/screen/area.c
index 6fd0e9d6c03..14a7b51c03d 100644
--- a/source/blender/editors/screen/area.c
+++ b/source/blender/editors/screen/area.c
@@ -500,4 +500,53 @@ void area_copy_data(ScrArea *sa1, ScrArea *sa2, int swap_space)
 #endif
 }
 
+void ED_newspace(ScrArea *sa, int type)
+{
+	if(sa->spacetype != type) {
+		SpaceType *st= BKE_spacetype_from_id(type);
+		SpaceLink *slold= sa->spacedata.first;
+		SpaceLink *sl;
+		
+		sa->spacetype= type;
+		sa->butspacetype= type;
+		
+		/* check previously stored space */
+		for (sl= sa->spacedata.first; sl; sl= sl->next)
+			if(sl->spacetype==type)
+				break;
+		
+		/* old spacedata... happened during work on 2.50, remove */
+		if(sl && sl->regionbase.first==NULL) {
+			st->free(sl);
+			MEM_freeN(sl);
+			sl= NULL;
+		}
+		
+		if (sl) {
+			
+			/* swap regions */
+			slold->regionbase= sa->regionbase;
+			sa->regionbase= sl->regionbase;
+			sl->regionbase.first= sl->regionbase.last= NULL;
+			
+			/* put in front of list */
+			BLI_remlink(&sa->spacedata, sl);
+			BLI_addhead(&sa->spacedata, sl);
+		} 
+		else {
+			/* new space */
+			if(st) {
+				sl= st->new();
+				BLI_addhead(&sa->spacedata, sl);
+				
+				/* swap regions */
+				slold->regionbase= sa->regionbase;
+				sa->regionbase= sl->regionbase;
+				sl->regionbase.first= sl->regionbase.last= NULL;
+			}
+		}
+	}
+	
+}
+