Bug 568185 - [GTK4] Port SWT Tree snippets - Header button set visible
when Tree disables headers

- Place GTK4 guard on forcing the column.buttonHandle visibility to true
in computeSizeInPixels. Fixes GTK4 initial GtkTreeView allocation
errors.

- Improve readability in TreeColumn.pack when setting visibility of
buttonHandle

Change-Id: Id741f09aace11b43099fa2726af9f80d9074b6a4
Signed-off-by: Paul D'Pong <sdamrong@redhat.com>
2 files changed
tree: 1f1a4dcb2a115e256281d0395a719b0ba08252d3
  1. bundles/
  2. container/
  3. examples/
  4. features/
  5. local-build/
  6. tests/
  7. .gitignore
  8. CONTRIBUTING
  9. LICENSE
  10. NOTICE
  11. pom.xml
  12. README.md
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