Merge topic 'widget-visibility'

4bcfa9f0 Hide widgets when qt partner is not visible.

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Bob Obara <bob.obara@kitware.com>
Merge-request: !1759
Status Job ID Name Coverage
  External
failed smtk@master-kerbin-windows-shared-release+examples+remus

00:06:25

passed smtk@master-moho-linux-shared-relwithdebinfo+examples+private+remus

00:12:00

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+python3+remus+vtk

00:00:06

passed smtk@master-moho-linux-shared-relwithdebinfo+examples+remus

00:11:47

passed smtk@master-moho-linux-shared-relwithdebinfo+examples+remus+vtk

00:09:06

failed smtk@master-norkit-osx-shared-release+examples+matplotlib

00:36:37

canceled smtk@master-praxis-windows-shared-release

238:46:15

failed smtk@master-talosiv-osx-shared-release+examples+matplotlib

00:01:09

passed smtk@master-tatooine-osx-shared-release+examples+matplotlib

00:13:26

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib+private

00:12:23