[Bf-blender-cvs] [b7b3c4c40c8] master: Fix T96705: Crash when pressing F3 outside a Blender window if Developer extras

[Julian Eisel]

Commit: b7b3c4c40c80c9b62cae420929ae04959cd24ddc
Author: Julian Eisel
Date:   Tue Mar 22 18:35:28 2022 +0100
Branches: master
https://developer.blender.org/rBb7b3c4c40c80c9b62cae420929ae04959cd24ddc

Fix T96705: Crash when pressing F3 outside a Blender window if Developer extras

If the mouse is not hovering the window, there is no active region. This is a
valid state, but the UI-list filter operator didn't account for that case.

===================================================================

M	source/blender/editors/interface/interface_ops.c

===================================================================

diff --git a/source/blender/editors/interface/interface_ops.c b/source/blender/editors/interface/interface_ops.c
index 54bd1a2cebb..0f4f0ef48ff 100644
--- a/source/blender/editors/interface/interface_ops.c
+++ b/source/blender/editors/interface/interface_ops.c
@@ -1976,6 +1976,9 @@ static void UI_OT_drop_name(wmOperatorType *ot)
 static bool ui_list_focused_poll(bContext *C)
 {
   const ARegion *region = CTX_wm_region(C);
+  if (!region) {
+    return false;
+  }
   const wmWindow *win = CTX_wm_window(C);
   const uiList *list = UI_list_find_mouse_over(region, win->eventstate);