Rob Wu 7c992243fd Allow outline to be collapsed / shown via icon. ...

- This commit adds a '>' before every outline item that has subitems.
- Click on the '>' to collapse all subitems under that item (which turns
  the '>' in a 'v').
- Shift + click expands/collapses all descendant items under that tree.
- Double-clicking on the "Show Document Outline" button in the toolbar
  expands/collapses all outline items.

2015-08-22 18:49:08 +02:00

172 B

18x18px

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