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-rw-r--r--source/blender/editors/screen/screen_ops.c3
-rw-r--r--source/blender/makesrna/intern/rna_wm.c5
2 files changed, 8 insertions, 0 deletions
diff --git a/source/blender/editors/screen/screen_ops.c b/source/blender/editors/screen/screen_ops.c
index 4a4d78e16ab..5acb6bd2381 100644
--- a/source/blender/editors/screen/screen_ops.c
+++ b/source/blender/editors/screen/screen_ops.c
@@ -2356,6 +2356,9 @@ static void SCREEN_OT_marker_jump(wmOperatorType *ot)
static bool screen_set_is_ok(bScreen *screen, bScreen *screen_prev)
{
return ((screen->winid == 0) &&
+ /* in typical useage these should have a nonzero winid
+ * (all temp screens should be used, or closed & freed). */
+ (screen->temp == false) &&
(screen->state == SCREENNORMAL) &&
(screen != screen_prev) &&
(screen->id.name[2] != '.' || !(U.uiflag & USER_HIDE_DOT)));
diff --git a/source/blender/makesrna/intern/rna_wm.c b/source/blender/makesrna/intern/rna_wm.c
index 8dd995205c9..aa4bfe0462e 100644
--- a/source/blender/makesrna/intern/rna_wm.c
+++ b/source/blender/makesrna/intern/rna_wm.c
@@ -615,6 +615,11 @@ static void rna_Window_screen_set(PointerRNA *ptr, PointerRNA value)
{
wmWindow *win = (wmWindow *)ptr->data;
+ /* disallow ID-browsing away from temp screens */
+ if (win->screen->temp) {
+ return;
+ }
+
if (value.data == NULL)
return;