Bug 573020 - [GTK4] ExpandItem not showing when expanded

- Added GTK4 way to reparent Control widgets, this is a replacement to
GTK.gtk_widget_reparent
- Added gtk_picture_set_can_shrink, to mimic the behavior of expand item
images in GTK3
- Connected resize signal from GTK4 version of SWTFixed as a replacement
to size-allocate signal

Change-Id: Ib8c1add0dca651cdc46abb04adf0777d31bd7be5
Signed-off-by: Paul D'Pong <sdamrong@redhat.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.swt/+/179570
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Alexander Kurtakov <akurtako@redhat.com>
6 files changed
tree: 89d25e61fef86eeb9b62fcd2fc1ccbbd92fe882e
  1. .gitignore
  2. CONTRIBUTING
  3. LICENSE
  4. NOTICE
  5. README.md
  6. bundles/
  7. container/
  8. examples/
  9. features/
  10. local-build/
  11. pom.xml
  12. tests/
README.md

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