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Only restore expansion state when there are items. #36539

Merged
merged 1 commit into from
Oct 26, 2017
Merged

Only restore expansion state when there are items. #36539

merged 1 commit into from
Oct 26, 2017

Commits on Oct 26, 2017

  1. Store expansion state globally only when there are items. 

    When a debugger needs more time while stepping, the tree will go empty first
(while running) and then come back with data (when stopped again). This
modifies the change for #16031 to allow the tree to properly restore
state in case a debugger needs more time providing content.

The expanded state is saved in a global variable. A check ensures that an
intermittent empty tree does not override the global variable. Future refreshes
of an empty tree will then restore the expanded state of variables.
    @guw
    guw committed Oct 26, 2017
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