add wheel events to drawing area

Desktop / LibreOffice - Caolán McNamara [redhat.com] - 2 October 2019 12:21 EDT

Change-Id: I6071a2af3cbb01c4f21c45e289f779adc49e0dc2 Reviewed-on: https://gerrit.libreoffice.org/80022

1db70eadd410 add wheel events to drawing area
vcl/inc/unx/gtk/gtkframe.hxx | 1 +
vcl/unx/gtk3/gtk3gtkframe.cxx | 62 ++++++++++++++++++++++++-------------------
vcl/unx/gtk3/gtk3gtkinst.cxx | 35 ++++++++++++++++++++++++
3 files changed, 70 insertions(+), 28 deletions(-)

Upstream: cgit.freedesktop.org


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