scripts/presets/keyconfig/keymap_data/blender_default.py

@@ -4578,6 +4578,9 @@ def km_grease_pencil_paint(_params):
 
         # Active layer
         op_menu("GREASE_PENCIL_MT_layer_active", {"type": 'Y', "value": 'PRESS'}),
+
+        # Show/hide
+        *_template_items_hide_reveal_actions("grease_pencil.layer_hide", "grease_pencil.layer_reveal"),
     ])
 
     return keymap
@@ -4610,6 +4613,9 @@ def km_grease_pencil_edit(params):
         # Keyframe Menu
         op_menu("VIEW3D_MT_edit_greasepencil_animation", {"type": 'I', "value": 'PRESS'}),
 
+        # Show/hide
+        *_template_items_hide_reveal_actions("grease_pencil.layer_hide", "grease_pencil.layer_reveal"),
+
         # Transform Actions.
         *_template_items_transform_actions(params, use_bend=True, use_mirror=True, use_tosphere=True, use_shear=True),
         ("transform.transform", {"type": 'S', "value": 'PRESS', "alt": True},

scripts/startup/bl_ui/space_view3d.py

@@ -2163,13 +2163,17 @@ class VIEW3D_MT_select_edit_grease_pencil(Menu):
 
 
 class VIEW3D_MT_paint_grease_pencil(Menu):
-    bl_label = "Paint"
+    bl_label = "Draw"
 
     def draw(self, _context):
         layout = self.layout
 
         layout.menu("GREASE_PENCIL_MT_layer_active", text="Active Layer")
 
+        layout.separator()
+
+        layout.menu("VIEW3D_MT_edit_greasepencil_showhide")
+
 
 class VIEW3D_MT_paint_gpencil(Menu):
     bl_label = "Paint"
@@ -5802,6 +5806,19 @@ class VIEW3D_MT_edit_gpencil_showhide(Menu):
         layout.operator("gpencil.hide", text="Hide Active Layer").unselected = False
         layout.operator("gpencil.hide", text="Hide Inactive Layers").unselected = True
 
+class VIEW3D_MT_edit_greasepencil_showhide(Menu):
+    bl_label = "Show/Hide"
+
+    def draw(self, _context):
+        layout = self.layout
+
+        layout.operator("grease_pencil.layer_reveal", text="Show All Layers")
+
+        layout.separator()
+
+        layout.operator("grease_pencil.layer_hide", text="Hide Active Layer").unselected = False
+        layout.operator("grease_pencil.layer_hide", text="Hide Inactive Layers").unselected = True
+
 
 class VIEW3D_MT_edit_greasepencil(Menu):
     bl_label = "Grease Pencil"
@@ -5821,6 +5838,10 @@ class VIEW3D_MT_edit_greasepencil(Menu):
 
         layout.separator()
 
+        layout.menu("VIEW3D_MT_edit_greasepencil_showhide")
+
+        layout.separator()
+
         layout.menu("VIEW3D_MT_edit_greasepencil_delete")
 
 
@@ -8803,6 +8824,7 @@ classes = (
     VIEW3D_MT_edit_gpencil_point,
     VIEW3D_MT_edit_gpencil_delete,
     VIEW3D_MT_edit_gpencil_showhide,
+    VIEW3D_MT_edit_greasepencil_showhide,
     VIEW3D_MT_weight_gpencil,
     VIEW3D_MT_gpencil_animation,
     VIEW3D_MT_gpencil_simplify,

source/blender/editors/grease_pencil/intern/grease_pencil_layers.cc

@@ -281,6 +281,94 @@ static void GREASE_PENCIL_OT_layer_group_add(wmOperatorType *ot)
   ot->prop = prop;
 }
 
+static int grease_pencil_layer_hide_exec(bContext *C, wmOperator *op)
+{
+  using namespace blender::bke::greasepencil;
+  Object *object = CTX_data_active_object(C);
+  GreasePencil &grease_pencil = *static_cast<GreasePencil *>(object->data);
+  const bool unselected = RNA_boolean_get(op->ptr, "unselected");
+
+  if (!grease_pencil.has_active_layer()) {
+    return OPERATOR_CANCELLED;
+  }
+
+  if (unselected) {
+    /* hide unselected */
+    for (Layer *layer : grease_pencil.layers_for_write()) {      
+      const bool is_active = grease_pencil.is_layer_active(layer);
+      layer->set_visible(is_active);
+    }
+  }
+  else {
+    /* hide selected/active */
+    Layer &active_layer = *grease_pencil.get_active_layer_for_write();
+    active_layer.set_visible(false);
+  }
+
+  /* notifiers */
+  DEG_id_tag_update(&grease_pencil.id, ID_RECALC_GEOMETRY);
+  WM_event_add_notifier(C, NC_GEOM | ND_DATA, &grease_pencil);
+
+  return OPERATOR_FINISHED;
+}
+
+static void GREASE_PENCIL_OT_layer_hide(wmOperatorType *ot)
+{
+  /* identifiers */
+  ot->name = "Hide Layer(s)";
+  ot->idname = "GREASE_PENCIL_OT_layer_hide";
+  ot->description = "Hide selected/unselected Grease Pencil layers";
+
+  /* callbacks */
+  ot->exec = grease_pencil_layer_hide_exec;
+  ot->poll = active_grease_pencil_poll;
+
+  /* flags */
+  ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+
+  /* props */
+  PropertyRNA *prop = RNA_def_boolean(
+    ot->srna, "unselected", false, "Unselected", "Hide unselected rather than selected layers");
+  RNA_def_property_flag(prop, PROP_SKIP_SAVE);
+  ot->prop = prop;
+}
+
+static int grease_pencil_layer_reveal_exec(bContext *C, wmOperator *op)
+{
+  using namespace blender::bke::greasepencil;
+  Object *object = CTX_data_active_object(C);
+  GreasePencil &grease_pencil = *static_cast<GreasePencil *>(object->data);  
+
+  if (!grease_pencil.has_active_layer()) {
+    return OPERATOR_CANCELLED;
+  }
+
+  for (Layer *layer : grease_pencil.layers_for_write()) {
+    layer->set_visible(true);
+  }
+
+/* notifiers */
+  DEG_id_tag_update(&grease_pencil.id, ID_RECALC_GEOMETRY);
+  WM_event_add_notifier(C, NC_GEOM | ND_DATA, &grease_pencil);
+
+  return OPERATOR_FINISHED;
+}
+
+static void GREASE_PENCIL_OT_layer_reveal(wmOperatorType *ot)
+{
+  /* identifiers */
+  ot->name = "Show All Layers";
+  ot->idname = "GREASE_PENCIL_OT_layer_reveal";
+  ot->description = "Show all Grease Pencil layers";
+
+  /* callbacks */
+  ot->exec = grease_pencil_layer_reveal_exec;
+  ot->poll = active_grease_pencil_poll;
+
+  /* flags */
+  ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
+}
+
 }  // namespace blender::ed::greasepencil
 
 void ED_operatortypes_grease_pencil_layers()
@@ -290,6 +378,8 @@ void ED_operatortypes_grease_pencil_layers()
   WM_operatortype_append(GREASE_PENCIL_OT_layer_remove);
   WM_operatortype_append(GREASE_PENCIL_OT_layer_reorder);
   WM_operatortype_append(GREASE_PENCIL_OT_layer_active);
+  WM_operatortype_append(GREASE_PENCIL_OT_layer_hide);
+  WM_operatortype_append(GREASE_PENCIL_OT_layer_reveal);
 
   WM_operatortype_append(GREASE_PENCIL_OT_layer_group_add);
 }