D24254: [KCollapsibleGroupBox] Fix QTimeLine::start warning at runtime

[David Faure]

dfaure created this revision.
dfaure added reviewers: cfeck, ngraham, elvisangelaccio.
Herald added a project: Frameworks.
Herald added a subscriber: kde-frameworks-devel.
dfaure requested review of this revision.

REVISION SUMMARY
  KCollapsibleGroupBox::overrideFocusPolicy calls toggle();toggle()
  which starts the same QTimeLine twice before it has a change to end.
  This prints out an annoying runtime warning.

TEST PLAN
  kdialog --detailedsorry foo blah
  This no longer shows
  
  WARNING: QTimeLine::start: already running

REPOSITORY
  R236 KWidgetsAddons

BRANCH
  2019_09_fix_qtimeline_warning (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D24254

AFFECTED FILES
  src/kcollapsiblegroupbox.cpp

To: dfaure, cfeck, ngraham, elvisangelaccio
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns
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