Enabled Multi-Object-Mode for CURVE_OT_select_less

source/blender/editors/curve/editcurve.c

@@ -2848,58 +2848,66 @@ void CURVE_OT_smooth_tilt(wmOperatorType *ot)
 
 static int hide_exec(bContext *C, wmOperator *op)
 {
-	Object *obedit = CTX_data_edit_object(C);
-	Curve *cu = obedit->data;
-	ListBase *editnurb = object_editcurve_get(obedit);
-	Nurb *nu;
-	BPoint *bp;
-	BezTriple *bezt;
-	int a, sel;
 	const bool invert = RNA_boolean_get(op->ptr, "unselected");
+	int a, sel;
 
-	for (nu = editnurb->first; nu; nu = nu->next) {
-		if (nu->type == CU_BEZIER) {
-			bezt = nu->bezt;
-			a = nu->pntsu;
-			sel = 0;
-			while (a--) {
-				if (invert == 0 && BEZT_ISSEL_ANY_HIDDENHANDLES(cu, bezt)) {
-					select_beztriple(bezt, DESELECT, SELECT, HIDDEN);
-					bezt->hide = 1;
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
+
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
+		Curve *cu = obedit->data;
+		ListBase *editnurb = object_editcurve_get(obedit);
+		Nurb *nu;
+		BPoint *bp;
+		BezTriple *bezt;
+
+		for (nu = editnurb->first; nu; nu = nu->next) {
+			if (nu->type == CU_BEZIER) {
+				bezt = nu->bezt;
+				a = nu->pntsu;
+				sel = 0;
+				while (a--) {
+					if (invert == 0 && BEZT_ISSEL_ANY_HIDDENHANDLES(cu, bezt)) {
+						select_beztriple(bezt, DESELECT, SELECT, HIDDEN);
+						bezt->hide = 1;
+					}
+					else if (invert && !BEZT_ISSEL_ANY_HIDDENHANDLES(cu, bezt)) {
+						select_beztriple(bezt, DESELECT, SELECT, HIDDEN);
+						bezt->hide = 1;
+					}
+					if (bezt->hide) sel++;
+					bezt++;
 				}
-				else if (invert && !BEZT_ISSEL_ANY_HIDDENHANDLES(cu, bezt)) {
-					select_beztriple(bezt, DESELECT, SELECT, HIDDEN);
-					bezt->hide = 1;
-				}
-				if (bezt->hide) sel++;
-				bezt++;
+				if (sel == nu->pntsu) nu->hide = 1;
 			}
-			if (sel == nu->pntsu) nu->hide = 1;
-		}
-		else {
-			bp = nu->bp;
-			a = nu->pntsu * nu->pntsv;
-			sel = 0;
-			while (a--) {
-				if (invert == 0 && (bp->f1 & SELECT)) {
-					select_bpoint(bp, DESELECT, SELECT, HIDDEN);
-					bp->hide = 1;
+			else {
+				bp = nu->bp;
+				a = nu->pntsu * nu->pntsv;
+				sel = 0;
+				while (a--) {
+					if (invert == 0 && (bp->f1 & SELECT)) {
+						select_bpoint(bp, DESELECT, SELECT, HIDDEN);
+						bp->hide = 1;
+					}
+					else if (invert && (bp->f1 & SELECT) == 0) {
+						select_bpoint(bp, DESELECT, SELECT, HIDDEN);
+						bp->hide = 1;
+					}
+					if (bp->hide) sel++;
+					bp++;
 				}
-				else if (invert && (bp->f1 & SELECT) == 0) {
-					select_bpoint(bp, DESELECT, SELECT, HIDDEN);
-					bp->hide = 1;
-				}
-				if (bp->hide) sel++;
-				bp++;
+				if (sel == nu->pntsu * nu->pntsv) nu->hide = 1;
 			}
-			if (sel == nu->pntsu * nu->pntsv) nu->hide = 1;
 		}
+
+		DEG_id_tag_update(obedit->data, 0);
+		WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+		BKE_curve_nurb_vert_active_validate(obedit->data);
 	}
 
-	DEG_id_tag_update(obedit->data, 0);
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
-	BKE_curve_nurb_vert_active_validate(obedit->data);
-
+	MEM_freeN(objects);
 	return OPERATOR_FINISHED;
 }
 
@@ -2925,43 +2933,51 @@ void CURVE_OT_hide(wmOperatorType *ot)
 
 static int reveal_exec(bContext *C, wmOperator *op)
 {
-	Object *obedit = CTX_data_edit_object(C);
-	ListBase *editnurb = object_editcurve_get(obedit);
-	Nurb *nu;
-	BPoint *bp;
-	BezTriple *bezt;
-	int a;
 	const bool select = RNA_boolean_get(op->ptr, "select");
+	int a;
 
-	for (nu = editnurb->first; nu; nu = nu->next) {
-		nu->hide = 0;
-		if (nu->type == CU_BEZIER) {
-			bezt = nu->bezt;
-			a = nu->pntsu;
-			while (a--) {
-				if (bezt->hide) {
-					select_beztriple(bezt, select, SELECT, HIDDEN);
-					bezt->hide = 0;
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
+
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
+		ListBase *editnurb = object_editcurve_get(obedit);
+		Nurb *nu;
+		BPoint *bp;
+		BezTriple *bezt;
+
+		for (nu = editnurb->first; nu; nu = nu->next) {
+			nu->hide = 0;
+			if (nu->type == CU_BEZIER) {
+				bezt = nu->bezt;
+				a = nu->pntsu;
+				while (a--) {
+					if (bezt->hide) {
+						select_beztriple(bezt, select, SELECT, HIDDEN);
+						bezt->hide = 0;
+					}
+					bezt++;
+				}
+			}
+			else {
+				bp = nu->bp;
+				a = nu->pntsu * nu->pntsv;
+				while (a--) {
+					if (bp->hide) {
+						select_bpoint(bp, select, SELECT, HIDDEN);
+						bp->hide = 0;
+					}
+					bp++;
 				}
-				bezt++;
-			}
-		}
-		else {
-			bp = nu->bp;
-			a = nu->pntsu * nu->pntsv;
-			while (a--) {
-				if (bp->hide) {
-					select_bpoint(bp, select, SELECT, HIDDEN);
-					bp->hide = 0;
-				}
-				bp++;
 			}
 		}
+
+		DEG_id_tag_update(obedit->data, 0);
+		WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
 	}
 
-	DEG_id_tag_update(obedit->data, 0);
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
-
+	MEM_freeN(objects);
 	return OPERATOR_FINISHED;
 }
 

source/blender/editors/curve/editcurve_select.c

@@ -401,12 +401,19 @@ static void selectend_nurb(Object *obedit, eEndPoint_Types selfirst, bool doswap
 
 static int de_select_first_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Object *obedit = CTX_data_edit_object(C);
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
 
-	selectend_nurb(obedit, FIRST, true, DESELECT);
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
-	BKE_curve_nurb_vert_active_validate(obedit->data);
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
 
+		selectend_nurb(obedit, FIRST, true, DESELECT);
+		WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+		BKE_curve_nurb_vert_active_validate(obedit->data);
+	}
+
+	MEM_freeN(objects);
 	return OPERATOR_FINISHED;
 }
 
@@ -427,12 +434,19 @@ void CURVE_OT_de_select_first(wmOperatorType *ot)
 
 static int de_select_last_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Object *obedit = CTX_data_edit_object(C);
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
 
-	selectend_nurb(obedit, LAST, true, DESELECT);
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
-	BKE_curve_nurb_vert_active_validate(obedit->data);
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
 
+		selectend_nurb(obedit, LAST, true, DESELECT);
+		WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+		BKE_curve_nurb_vert_active_validate(obedit->data);
+	}
+
+	MEM_freeN(objects);
 	return OPERATOR_FINISHED;
 }
 
@@ -694,12 +708,25 @@ void CURVE_OT_select_row(wmOperatorType *ot)
 
 static int select_next_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Object *obedit = CTX_data_edit_object(C);
-	ListBase *editnurb = object_editcurve_get(obedit);
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
 
-	select_adjacent_cp(editnurb, 1, 0, SELECT);
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
+		Curve *cu = obedit->data;
 
+		if (!ED_curve_select_check(cu, cu->editnurb)) {
+			continue;
+		}
+
+		ListBase *editnurb = object_editcurve_get(obedit);
+
+		select_adjacent_cp(editnurb, 1, 0, SELECT);
+		WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+	}
+
+	MEM_freeN(objects);
 	return OPERATOR_FINISHED;
 }
 
@@ -722,12 +749,25 @@ void CURVE_OT_select_next(wmOperatorType *ot)
 
 static int select_previous_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Object *obedit = CTX_data_edit_object(C);
-	ListBase *editnurb = object_editcurve_get(obedit);
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
 
-	select_adjacent_cp(editnurb, -1, 0, SELECT);
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
+		Curve *cu = obedit->data;
 
+		if (!ED_curve_select_check(cu, cu->editnurb)) {
+			continue;
+		}
+
+		ListBase *editnurb = object_editcurve_get(obedit);
+
+		select_adjacent_cp(editnurb, -1, 0, SELECT);
+		WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+	}
+
+	MEM_freeN(objects);
 	return OPERATOR_FINISHED;
 }
 
@@ -750,72 +790,85 @@ void CURVE_OT_select_previous(wmOperatorType *ot)
 
 static int select_more_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Object *obedit = CTX_data_edit_object(C);
-	ListBase *editnurb = object_editcurve_get(obedit);
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
 	Nurb *nu;
 	BPoint *bp, *tempbp;
 	int a;
 	short sel = 0;
 
-	/* note that NURBS surface is a special case because we mimic */
-	/* the behavior of "select more" of mesh tools.	      */
-	/* The algorithm is designed to work in planar cases so it    */
-	/* may not be optimal always (example: end of NURBS sphere)   */
-	if (obedit->type == OB_SURF) {
-		for (nu = editnurb->first; nu; nu = nu->next) {
-			BLI_bitmap *selbpoints;
-			a = nu->pntsu * nu->pntsv;
-			bp = nu->bp;
-			selbpoints = BLI_BITMAP_NEW(a, "selectlist");
-			while (a > 0) {
-				if ((!BLI_BITMAP_TEST(selbpoints, a)) && (bp->hide == 0) && (bp->f1 & SELECT)) {
-					/* upper control point */
-					if (a % nu->pntsu != 0) {
-						tempbp = bp - 1;
-						if (!(tempbp->f1 & SELECT)) select_bpoint(tempbp, SELECT, SELECT, VISIBLE);
-					}
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
+		Curve *cu = obedit->data;
 
-					/* left control point. select only if it is not selected already */
-					if (a - nu->pntsu > 0) {
-						sel = 0;
-						tempbp = bp + nu->pntsu;
-						if (!(tempbp->f1 & SELECT)) sel = select_bpoint(tempbp, SELECT, SELECT, VISIBLE);
-						/* make sure selected bpoint is discarded */
-						if (sel == 1) BLI_BITMAP_ENABLE(selbpoints, a - nu->pntsu);
-					}
+		if (!ED_curve_select_check(cu, cu->editnurb)) {
+			continue;
+		}
 
-					/* right control point */
-					if (a + nu->pntsu < nu->pntsu * nu->pntsv) {
-						tempbp = bp - nu->pntsu;
-						if (!(tempbp->f1 & SELECT)) select_bpoint(tempbp, SELECT, SELECT, VISIBLE);
-					}
+		ListBase *editnurb = object_editcurve_get(obedit);
 
-					/* lower control point. skip next bp in case selection was made */
-					if (a % nu->pntsu != 1) {
-						sel = 0;
-						tempbp = bp + 1;
-						if (!(tempbp->f1 & SELECT)) sel = select_bpoint(tempbp, SELECT, SELECT, VISIBLE);
-						if (sel) {
-							bp++;
-							a--;
+		/* note that NURBS surface is a special case because we mimic */
+		/* the behavior of "select more" of mesh tools.	      */
+		/* The algorithm is designed to work in planar cases so it    */
+		/* may not be optimal always (example: end of NURBS sphere)   */
+		if (obedit->type == OB_SURF) {
+			for (nu = editnurb->first; nu; nu = nu->next) {
+				BLI_bitmap *selbpoints;
+				a = nu->pntsu * nu->pntsv;
+				bp = nu->bp;
+				selbpoints = BLI_BITMAP_NEW(a, "selectlist");
+				while (a > 0) {
+					if ((!BLI_BITMAP_TEST(selbpoints, a)) && (bp->hide == 0) && (bp->f1 & SELECT)) {
+						/* upper control point */
+						if (a % nu->pntsu != 0) {
+							tempbp = bp - 1;
+							if (!(tempbp->f1 & SELECT)) select_bpoint(tempbp, SELECT, SELECT, VISIBLE);
+						}
+
+						/* left control point. select only if it is not selected already */
+						if (a - nu->pntsu > 0) {
+							sel = 0;
+							tempbp = bp + nu->pntsu;
+							if (!(tempbp->f1 & SELECT)) sel = select_bpoint(tempbp, SELECT, SELECT, VISIBLE);
+							/* make sure selected bpoint is discarded */
+							if (sel == 1) BLI_BITMAP_ENABLE(selbpoints, a - nu->pntsu);
+						}
+
+						/* right control point */
+						if (a + nu->pntsu < nu->pntsu * nu->pntsv) {
+							tempbp = bp - nu->pntsu;
+							if (!(tempbp->f1 & SELECT)) select_bpoint(tempbp, SELECT, SELECT, VISIBLE);
+						}
+
+						/* lower control point. skip next bp in case selection was made */
+						if (a % nu->pntsu != 1) {
+							sel = 0;
+							tempbp = bp + 1;
+							if (!(tempbp->f1 & SELECT)) sel = select_bpoint(tempbp, SELECT, SELECT, VISIBLE);
+							if (sel) {
+								bp++;
+								a--;
+							}
 						}
 					}
+
+					bp++;
+					a--;
 				}
 
-				bp++;
-				a--;
+				MEM_freeN(selbpoints);
 			}
-
-			MEM_freeN(selbpoints);
 		}
-	}
-	else {
-		select_adjacent_cp(editnurb, 1, 0, SELECT);
-		select_adjacent_cp(editnurb, -1, 0, SELECT);
+		else {
+			select_adjacent_cp(editnurb, 1, 0, SELECT);
+			select_adjacent_cp(editnurb, -1, 0, SELECT);
+		}
+
+		WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
 	}
 
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
-
+	MEM_freeN(objects);
 	return OPERATOR_FINISHED;
 }
 
@@ -839,8 +892,9 @@ void CURVE_OT_select_more(wmOperatorType *ot)
 /* basic method: deselect if control point doesn't have all neighbors selected */
 static int select_less_exec(bContext *C, wmOperator *UNUSED(op))
 {
-	Object *obedit = CTX_data_edit_object(C);
-	ListBase *editnurb = object_editcurve_get(obedit);
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
 	Nurb *nu;
 	BPoint *bp;
 	BezTriple *bezt;
@@ -848,133 +902,38 @@ static int select_less_exec(bContext *C, wmOperator *UNUSED(op))
 	int sel = 0;
 	bool lastsel = false;
 
-	if (obedit->type == OB_SURF) {
-		for (nu = editnurb->first; nu; nu = nu->next) {
-			BLI_bitmap *selbpoints;
-			a = nu->pntsu * nu->pntsv;
-			bp = nu->bp;
-			selbpoints = BLI_BITMAP_NEW(a, "selectlist");
-			while (a--) {
-				if ((bp->hide == 0) && (bp->f1 & SELECT)) {
-					sel = 0;
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
+		Curve *cu = obedit->data;
 
-					/* check if neighbors have been selected */
-					/* edges of surface are an exception */
-					if ((a + 1) % nu->pntsu == 0) {
-						sel++;
-					}
-					else {
-						bp--;
-						if (BLI_BITMAP_TEST(selbpoints, a + 1) || ((bp->hide == 0) && (bp->f1 & SELECT))) sel++;
-						bp++;
-					}
-
-					if ((a + 1) % nu->pntsu == 1) {
-						sel++;
-					}
-					else {
-						bp++;
-						if ((bp->hide == 0) && (bp->f1 & SELECT)) sel++;
-						bp--;
-					}
-
-					if (a + 1 > nu->pntsu * nu->pntsv - nu->pntsu) {
-						sel++;
-					}
-					else {
-						bp -= nu->pntsu;
-						if (BLI_BITMAP_TEST(selbpoints, a + nu->pntsu) || ((bp->hide == 0) && (bp->f1 & SELECT))) sel++;
-						bp += nu->pntsu;
-					}
-
-					if (a < nu->pntsu) {
-						sel++;
-					}
-					else {
-						bp += nu->pntsu;
-						if ((bp->hide == 0) && (bp->f1 & SELECT)) sel++;
-						bp -= nu->pntsu;
-					}
-
-					if (sel != 4) {
-						select_bpoint(bp, DESELECT, SELECT, VISIBLE);
-						BLI_BITMAP_ENABLE(selbpoints, a);
-					}
-				}
-				else {
-					lastsel = false;
-				}
-
-				bp++;
-			}
-
-			MEM_freeN(selbpoints);
+		if (!ED_curve_select_check(cu, cu->editnurb)) {
+			continue;
 		}
-	}
-	else {
-		for (nu = editnurb->first; nu; nu = nu->next) {
-			lastsel = false;
-			/* check what type of curve/nurb it is */
-			if (nu->type == CU_BEZIER) {
-				a = nu->pntsu;
-				bezt = nu->bezt;
-				while (a--) {
-					if ((bezt->hide == 0) && (bezt->f2 & SELECT)) {
-						sel = (lastsel == 1);
 
-						/* check if neighbors have been selected */
-						/* first and last are exceptions */
-						if (a == nu->pntsu - 1) {
-							sel++;
-						}
-						else {
-							bezt--;
-							if ((bezt->hide == 0) && (bezt->f2 & SELECT)) sel++;
-							bezt++;
-						}
+		ListBase *editnurb = object_editcurve_get(obedit);
 
-						if (a == 0) {
-							sel++;
-						}
-						else {
-							bezt++;
-							if ((bezt->hide == 0) && (bezt->f2 & SELECT)) sel++;
-							bezt--;
-						}
-
-						if (sel != 2) {
-							select_beztriple(bezt, DESELECT, SELECT, VISIBLE);
-							lastsel = true;
-						}
-						else {
-							lastsel = false;
-						}
-					}
-					else {
-						lastsel = false;
-					}
-
-					bezt++;
-				}
-			}
-			else {
+		if (obedit->type == OB_SURF) {
+			for (nu = editnurb->first; nu; nu = nu->next) {
+				BLI_bitmap *selbpoints;
 				a = nu->pntsu * nu->pntsv;
 				bp = nu->bp;
+				selbpoints = BLI_BITMAP_NEW(a, "selectlist");
 				while (a--) {
-					if ((lastsel == false) && (bp->hide == 0) && (bp->f1 & SELECT)) {
+					if ((bp->hide == 0) && (bp->f1 & SELECT)) {
 						sel = 0;
 
-						/* first and last are exceptions */
-						if (a == nu->pntsu * nu->pntsv - 1) {
+						/* check if neighbors have been selected */
+						/* edges of surface are an exception */
+						if ((a + 1) % nu->pntsu == 0) {
 							sel++;
 						}
 						else {
 							bp--;
-							if ((bp->hide == 0) && (bp->f1 & SELECT)) sel++;
+							if (BLI_BITMAP_TEST(selbpoints, a + 1) || ((bp->hide == 0) && (bp->f1 & SELECT))) sel++;
 							bp++;
 						}
 
-						if (a == 0) {
+						if ((a + 1) % nu->pntsu == 1) {
 							sel++;
 						}
 						else {
@@ -983,12 +942,27 @@ static int select_less_exec(bContext *C, wmOperator *UNUSED(op))
 							bp--;
 						}
 
-						if (sel != 2) {
+						if (a + 1 > nu->pntsu * nu->pntsv - nu->pntsu) {
+							sel++;
+						}
+						else {
+							bp -= nu->pntsu;
+							if (BLI_BITMAP_TEST(selbpoints, a + nu->pntsu) || ((bp->hide == 0) && (bp->f1 & SELECT))) sel++;
+							bp += nu->pntsu;
+						}
+
+						if (a < nu->pntsu) {
+							sel++;
+						}
+						else {
+							bp += nu->pntsu;
+							if ((bp->hide == 0) && (bp->f1 & SELECT)) sel++;
+							bp -= nu->pntsu;
+						}
+
+						if (sel != 4) {
 							select_bpoint(bp, DESELECT, SELECT, VISIBLE);
-							lastsel = true;
-						}
-						else {
-							lastsel = false;
+							BLI_BITMAP_ENABLE(selbpoints, a);
 						}
 					}
 					else {
@@ -997,13 +971,105 @@ static int select_less_exec(bContext *C, wmOperator *UNUSED(op))
 
 					bp++;
 				}
+
+				MEM_freeN(selbpoints);
 			}
 		}
+		else {
+			for (nu = editnurb->first; nu; nu = nu->next) {
+				lastsel = false;
+				/* check what type of curve/nurb it is */
+				if (nu->type == CU_BEZIER) {
+					a = nu->pntsu;
+					bezt = nu->bezt;
+					while (a--) {
+						if ((bezt->hide == 0) && (bezt->f2 & SELECT)) {
+							sel = (lastsel == 1);
+
+							/* check if neighbors have been selected */
+							/* first and last are exceptions */
+							if (a == nu->pntsu - 1) {
+								sel++;
+							}
+							else {
+								bezt--;
+								if ((bezt->hide == 0) && (bezt->f2 & SELECT)) sel++;
+								bezt++;
+							}
+
+							if (a == 0) {
+								sel++;
+							}
+							else {
+								bezt++;
+								if ((bezt->hide == 0) && (bezt->f2 & SELECT)) sel++;
+								bezt--;
+							}
+
+							if (sel != 2) {
+								select_beztriple(bezt, DESELECT, SELECT, VISIBLE);
+								lastsel = true;
+							}
+							else {
+								lastsel = false;
+							}
+						}
+						else {
+							lastsel = false;
+						}
+
+						bezt++;
+					}
+				}
+				else {
+					a = nu->pntsu * nu->pntsv;
+					bp = nu->bp;
+					while (a--) {
+						if ((lastsel == false) && (bp->hide == 0) && (bp->f1 & SELECT)) {
+							sel = 0;
+
+							/* first and last are exceptions */
+							if (a == nu->pntsu * nu->pntsv - 1) {
+								sel++;
+							}
+							else {
+								bp--;
+								if ((bp->hide == 0) && (bp->f1 & SELECT)) sel++;
+								bp++;
+							}
+
+							if (a == 0) {
+								sel++;
+							}
+							else {
+								bp++;
+								if ((bp->hide == 0) && (bp->f1 & SELECT)) sel++;
+								bp--;
+							}
+
+							if (sel != 2) {
+								select_bpoint(bp, DESELECT, SELECT, VISIBLE);
+								lastsel = true;
+							}
+							else {
+								lastsel = false;
+							}
+						}
+						else {
+							lastsel = false;
+						}
+
+						bp++;
+					}
+				}
+			}
+		}
+
+		WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+		BKE_curve_nurb_vert_active_validate(obedit->data);
 	}
 
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
-	BKE_curve_nurb_vert_active_validate(obedit->data);
-
+	MEM_freeN(objects);
 	return OPERATOR_FINISHED;
 }
 
@@ -1181,24 +1247,50 @@ static bool ed_curve_select_nth(Curve *cu, const struct CheckerIntervalParams *p
 
 static int select_nth_exec(bContext *C, wmOperator *op)
 {
-	Object *obedit = CTX_data_edit_object(C);
-	struct CheckerIntervalParams op_params;
+	ViewLayer *view_layer = CTX_data_view_layer(C);
+	uint objects_len = 0;
+	Object **objects = BKE_view_layer_array_from_objects_in_edit_mode_unique_data(view_layer, &objects_len);
 
-	WM_operator_properties_checker_interval_from_op(op, &op_params);
+	bool found_active_elt = false;
+	short ob_type;
 
-	if (!ed_curve_select_nth(obedit->data, &op_params)) {
-		if (obedit->type == OB_SURF) {
-			BKE_report(op->reports, RPT_ERROR, "Surface has not got active point");
+	for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
+		Object *obedit = objects[ob_index];
+		Curve *cu = obedit->data;
+		ob_type = obedit->type;
+
+		if (!ED_curve_select_check(cu, cu->editnurb)) {
+			continue;
+		}
+
+		struct CheckerIntervalParams op_params;
+
+		WM_operator_properties_checker_interval_from_op(op, &op_params);
+
+		if (ed_curve_select_nth(obedit->data, &op_params) == true) {
+			found_active_elt = true;
+			WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
+		}
+	}
+	MEM_freeN(objects);
+
+	if (!found_active_elt) {
+		if (ob_type == OB_SURF) {
+			BKE_report(op->reports, RPT_ERROR,
+				(objects_len == 1 ?
+					"Surface has no active point" :
+					"Surfaces have no active point"));
 		}
 		else {
-			BKE_report(op->reports, RPT_ERROR, "Curve has not got active point");
+			BKE_report(op->reports, RPT_ERROR,
+				(objects_len == 1 ?
+					"Curve has no active point" :
+					"Curves have no active point"));
 		}
 
 		return OPERATOR_CANCELLED;
 	}
 
-	WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data);
-
 	return OPERATOR_FINISHED;
 }