From 8d2576fd295fc67e2b70c282117928173ec1af8a Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Fri, 30 Oct 2020 20:24:13 +1100 Subject: Undo System: support for grouping steps with begin/end calls This adds support for treating multiple undo steps as a single step from the user perspective. This is needed for outliner mode switching and `object.switch_object` operator which change active object and mode in a single action. --- source/blender/windowmanager/intern/wm_event_system.c | 1 + 1 file changed, 1 insertion(+) (limited to 'source/blender/windowmanager') diff --git a/source/blender/windowmanager/intern/wm_event_system.c b/source/blender/windowmanager/intern/wm_event_system.c index 8eb9a3b0650..8f141a8e23b 100644 --- a/source/blender/windowmanager/intern/wm_event_system.c +++ b/source/blender/windowmanager/intern/wm_event_system.c @@ -3159,6 +3159,7 @@ static void wm_event_free_and_remove_from_queue_if_valid(wmEvent *event) void wm_event_do_handlers(bContext *C) { wmWindowManager *wm = CTX_wm_manager(C); + BLI_assert(ED_undo_is_state_valid(C)); /* Update key configuration before handling events. */ WM_keyconfig_update(wm); -- cgit v1.2.3