Outliner: better support for clips/masks ('Blender File' view)

- clips/masks were not showing an icon [both dont have a dedicated icon,
took the ones used elsewhere]
- masks hit an assert in outliner_add_element()
- missing outliner update when adding a mask

spotted while looking into T59939

Reviewers: mont29, brecht

Differential Revision: https://developer.blender.org/D4142

3 files changed, 10 insertions, 3 deletions

diff --git a/source/blender/editors/mask/mask_add.c b/source/blender/editors/mask/mask_add.c
index df07326c590..0cc608a56f1 100644
--- a/source/blender/editors/mask/mask_add.c
+++ b/source/blender/editors/mask/mask_add.c
@@ -765,7 +765,8 @@ static int create_primitive_from_points(bContext *C, wmOperator *op, const float
 	location[0] -= 0.5f * scale;
 	location[1] -= 0.5f * scale;
 
-	mask_layer = ED_mask_layer_ensure(C);
+	bool added_mask = false;
+	mask_layer = ED_mask_layer_ensure(C, &added_mask);
 	mask = CTX_data_edit_mask(C);
 
 	ED_mask_select_toggle_all(mask, SEL_DESELECT);
@@ -801,6 +802,9 @@ static int create_primitive_from_points(bContext *C, wmOperator *op, const float
 		}
 	}
 
+	if (added_mask) {
+		WM_event_add_notifier(C, NC_MASK | NA_ADDED, NULL);
+	}
 	WM_event_add_notifier(C, NC_MASK | NA_EDITED, mask);
 
 	/* TODO: only update this spline */
diff --git a/source/blender/editors/mask/mask_intern.h b/source/blender/editors/mask/mask_intern.h
index cb2bb953994..60acb430b20 100644
--- a/source/blender/editors/mask/mask_intern.h
+++ b/source/blender/editors/mask/mask_intern.h
@@ -59,7 +59,7 @@ void MASK_OT_primitive_square_add(struct wmOperatorType *ot);
 
 /* mask_ops.c */
 struct Mask *ED_mask_new(struct bContext *C, const char *name);
-struct MaskLayer *ED_mask_layer_ensure(struct bContext *C);
+struct MaskLayer *ED_mask_layer_ensure(struct bContext *C, bool *r_added_mask);
 
 void MASK_OT_new(struct wmOperatorType *ot);
 void MASK_OT_layer_new(struct wmOperatorType *ot);
diff --git a/source/blender/editors/mask/mask_ops.c b/source/blender/editors/mask/mask_ops.c
index cb90d0a4888..20fc403762d 100644
--- a/source/blender/editors/mask/mask_ops.c
+++ b/source/blender/editors/mask/mask_ops.c
@@ -340,7 +340,7 @@ Mask *ED_mask_new(bContext *C, const char *name)
 }
 
 /* Get ative layer. Will create mask/layer to be sure there's an active layer.  */
-MaskLayer *ED_mask_layer_ensure(bContext *C)
+MaskLayer *ED_mask_layer_ensure(bContext *C, bool *r_added_mask)
 {
 	Mask *mask = CTX_data_edit_mask(C);
 	MaskLayer *mask_layer;
@@ -348,6 +348,7 @@ MaskLayer *ED_mask_layer_ensure(bContext *C)
 	if (mask == NULL) {
 		/* If there's no active mask, create one. */
 		mask = ED_mask_new(C, NULL);
+		*r_added_mask = true;
 	}
 
 	mask_layer = BKE_mask_layer_active(mask);
@@ -367,6 +368,8 @@ static int mask_new_exec(bContext *C, wmOperator *op)
 
 	ED_mask_new(C, name);
 
+	WM_event_add_notifier(C, NC_MASK | NA_ADDED, NULL);
+
 	return OPERATOR_FINISHED;
 }