Bug 546935 - [Win32] Table: massive flickering packing columns by user

The problem manifested when:
1) `SWT.Measure` is connected (otherwise, `Table.wmNotifyHeader()`
   doesn't call `TableColumn.pack()` and Windows default code runs
   instead.
2) Column's header is wider than all items in the column.

This happened because `TableColumn.pack()` resized column twice: first
to item's width, then to header width.

The fix is to calculate the size and resize once.

Change-Id: Ibc498f440d58a7e6bd38c7e07d5686d3036b3b74
Signed-off-by: Alexandr Miloslavskiy <alexandr.miloslavskiy@syntevo.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.swt/+/190696
Tested-by: Niraj Modi <niraj.modi@in.ibm.com>
Reviewed-by: Niraj Modi <niraj.modi@in.ibm.com>
2 files changed
tree: 20555aedc8592246cdf4b2a5950c588c12a396b6
  1. bundles/
  2. container/
  3. examples/
  4. features/
  5. local-build/
  6. tests/
  7. .gitattributes
  8. .gitignore
  9. CONTRIBUTING
  10. Jenkinsfile
  11. LICENSE
  12. NOTICE
  13. pom.xml
  14. README.md
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