tdf#130857 qt weld: Implement QtInstanceWidget::{get,is}_visible

Implement according to the comments in include/vcl/weld.hxx:

// return if this widget's visibility is true
virtual bool get_visible() const = 0;

// return if this widget's visibility and that of all its parents is true
virtual bool is_visible() const = 0;

Change-Id: Ic3a6193b04094331ec3818620c078269409c4fad
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171555
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Tested-by: Jenkins

0 files changed, 0 insertions, 0 deletions