D4989: more aggressively repaint when the shadow changes

[Marco Martin]

mart added a comment.


  in
  void AbstractClient::addRepaintDuringGeometryUpdates()
  
  the first time a window moves, that's when the bug occurs, i get a smaller geometry.
  that's a debug of the values m_visibleRectBeforeGeometryUpdate and deco_rect
  QRect(274,423 1062x552) QRect(256,410 1092x582)
  QRect(256,410 1092x582) QRect(255,410 1092x582)
  QRect(255,410 1092x582) QRect(251,409 1092x582)
  QRect(251,409 1092x582) QRect(248,409 1092x582)
  
  that suggests the first time the shadow was *not* taken into account

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D4989

To: mart, #plasma, graesslin
Cc: anthonyfieroni, plasma-devel, kwin, #kwin, progwolff, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol
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