Multi-Objects: UV_OT_select_pinned

Inspired by patch from Alan Troth, with minor changes
(codestyle and update to latest source code).

1 files changed, 27 insertions, 13 deletions

diff --git a/source/blender/editors/uvedit/uvedit_ops.c b/source/blender/editors/uvedit/uvedit_ops.c
index 09afe1973d5..cac8fb092a5 100644
--- a/source/blender/editors/uvedit/uvedit_ops.c
+++ b/source/blender/editors/uvedit/uvedit_ops.c
@@ -3733,30 +3733,44 @@ static void UV_OT_pin(wmOperatorType *ot)
 static int uv_select_pinned_exec(bContext *C, wmOperator *UNUSED(op))
 {
 	Scene *scene = CTX_data_scene(C);
-	Object *obedit = CTX_data_edit_object(C);
+	ViewLayer *view_layer = CTX_data_view_layer(C);
 	Image *ima = CTX_data_edit_image(C);
-	BMEditMesh *em = BKE_editmesh_from_object(obedit);
 	BMFace *efa;
 	BMLoop *l;
 	BMIter iter, liter;
 	MLoopUV *luv;
 
-	const int cd_loop_uv_offset  = CustomData_get_offset(&em->bm->ldata, CD_MLOOPUV);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data_with_uvs(view_layer, &objects_len);
 
-	BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
-		if (!uvedit_face_visible_test(scene, obedit, ima, efa))
-			continue;
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
+		BMEditMesh *em = BKE_editmesh_from_object(obedit);
 
-		BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
-			luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
+		const int cd_loop_uv_offset  = CustomData_get_offset(&em->bm->ldata, CD_MLOOPUV);
+		bool changed = false;
+
+		BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
+			if (!uvedit_face_visible_test(scene, obedit, ima, efa)) {
+				continue;
+			}
 
-			if (luv->flag & MLOOPUV_PINNED)
-				uvedit_uv_select_enable(em, scene, l, false, cd_loop_uv_offset);
+			BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
+				luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
+
+				if (luv->flag & MLOOPUV_PINNED) {
+					uvedit_uv_select_enable(em, scene, l, false, cd_loop_uv_offset);
+					changed = true;
+				}
+			}
 		}
-	}
 
-	DEG_id_tag_update(obedit->data, DEG_TAG_SELECT_UPDATE);
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+		if (changed) {
+			DEG_id_tag_update(obedit->data, DEG_TAG_SELECT_UPDATE);
+			WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+		}
+	}
+	MEM_freeN(objects);
 
 	return OPERATOR_FINISHED;
 }