Fix T61136: Header alignment preference has no effect

Users expect this to apply to existing files,
adjust this to apply on load, defaults to off.

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/screen.c b/source/blender/blenkernel/intern/screen.c
index 2f1393e43d2..af3384d2023 100644
--- a/source/blender/blenkernel/intern/screen.c
+++ b/source/blender/blenkernel/intern/screen.c
@@ -846,3 +846,19 @@ bool BKE_screen_is_used(const bScreen *screen)
 {
 	return (screen->winid != 0);
 }
+
+void BKE_screen_header_alignment_reset(bScreen *screen)
+{
+	int alignment = (U.uiflag & USER_HEADER_BOTTOM) ? RGN_ALIGN_BOTTOM : RGN_ALIGN_TOP;
+	for (ScrArea *sa = screen->areabase.first; sa; sa = sa->next) {
+		for (ARegion *ar = sa->regionbase.first; ar; ar = ar->next) {
+			if (ar->regiontype == RGN_TYPE_HEADER) {
+				if (ELEM(sa->spacetype, SPACE_FILE, SPACE_USERPREF, SPACE_OUTLINER, SPACE_BUTS)) {
+					ar->alignment = RGN_ALIGN_TOP;
+					continue;
+				}
+				ar->alignment = alignment;
+			}
+		}
+	}
+}