D9973: [kwidgetsaddons] Fix tooltip positioning

[Michael Heidelbach]

michaelh created this revision.
michaelh added reviewers: elvisangelaccio, Frameworks, Dolphin, ngraham.
Restricted Application added a project: Frameworks.
michaelh requested review of this revision.

REVISION SUMMARY
  Partial fix of Bug 388583 <https://bugs.kde.org/show_bug.cgi?id=388583>
  Corrected tooltip position in dolphin when
  
  1. Tooltip is displayed above file item
  2. Content width exceeds screen width

TEST PLAN
  Visual inspection specially for equal distance to file item (3px)
  Patch applied:
  F5662669: tt-patch-above.png <https://phabricator.kde.org/F5662669>
  
  Currently partial display:
  F5662680: tt-placement-outside.png <https://phabricator.kde.org/F5662680>
  Patch applied:
  F5662688: tt-placement-outside-patched.png <https://phabricator.kde.org/F5662688>
  
  Currently invisible tooltip (displayed off-screen).
  Patch applied:
  F5662675: tt-too-wide.png <https://phabricator.kde.org/F5662675>

REPOSITORY
  R236 KWidgetsAddons

BRANCH
  tooltip (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D9973

AFFECTED FILES
  src/ktooltipwidget.cpp

To: michaelh, elvisangelaccio, #frameworks, #dolphin, ngraham
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