Bug 573633 - [GTK3] Tree.setImage() leaks native memory

This change adds missing free calls to pixbuf objects created by
TreeItem.setImage() and TableItem.setImage(), preventing native memory
leaks.

According to the documentation of gtk_tree_store_set() and
gtk_list_store_set(), the call will reference the pixbuf in question.
Its therefore safe to unref it after the call, allowing GTK+ to
eventually free the memory on tree destruction.

Change-Id: Id54bedb6bbe6bed5075605ae7bbb3b69c48b00a3
Signed-off-by: Simeon Andreev <simeon.danailov.andreev@gmail.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.swt/+/180858
Tested-by: Platform Bot <platform-bot@eclipse.org>
Reviewed-by: Andrey Loskutov <loskutov@gmx.de>
3 files changed
tree: 763bf7c3c6802b53edb76e7dbb0066f506795893
  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/
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