Fix [#21559] Loopcut and scale problem.

Force mesh out of face select mode and into edge mode when doing loop cut - 
it left an invalid edge selection in face mode, especially with edge slider afterwards.

1 files changed, 10 insertions, 0 deletions

diff --git a/source/blender/editors/mesh/loopcut.c b/source/blender/editors/mesh/loopcut.c
index 314aa2c345f..0fa4c5dcdf1 100644
--- a/source/blender/editors/mesh/loopcut.c
+++ b/source/blender/editors/mesh/loopcut.c
@@ -271,6 +271,16 @@ static void ringsel_finish(bContext *C, wmOperator *op)
 		if (lcd->do_cut) {
 			EditMesh *em = BKE_mesh_get_editmesh(lcd->ob->data);
 			esubdivideflag(lcd->ob, em, SELECT, 0.0f, 0.0f, 0, cuts, 0, SUBDIV_SELECT_LOOPCUT);
+
+			/* force edge slide to edge select mode in in face select mode */
+			if (em->selectmode & SCE_SELECT_FACE) {
+				if (em->selectmode == SCE_SELECT_FACE)
+					em->selectmode = SCE_SELECT_EDGE;
+				else
+					em->selectmode &= ~SCE_SELECT_FACE;
+				CTX_data_tool_settings(C)->selectmode= em->selectmode;
+				EM_selectmode_set(em);
+			}
 			
 			DAG_id_flush_update(lcd->ob->data, OB_RECALC_DATA);
 			WM_event_add_notifier(C, NC_GEOM|ND_DATA, lcd->ob->data);