Review Request 126591: [Task Manager] Adjust ToolTip when no thumbnail is available

[Kai Uwe Broulik]

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https://git.reviewboard.kde.org/r/126591/
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Review request for Plasma, KDE Usability and Eike Hein.


Bugs: 332003
    https://bugs.kde.org/show_bug.cgi?id=332003


Repository: plasma-desktop


Description
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When no window thumbnail is available, the tooltip will be hidden. In case of multiple thumbnails (grouping) the thumbnail fallback will be still shown to ensure a unified look and allow closing individual windows in a group through the tooltip.

I could not just visible: thumbnailAvailable the preview as then it will disable itself and never attempt again to grab a thumbnail.


Diffs
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  applets/taskmanager/package/contents/ui/ToolTipDelegate.qml 972dd62 

Diff: https://git.reviewboard.kde.org/r/126591/diff/


Testing
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Works.


File Attachments
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single window
  https://git.reviewboard.kde.org/media/uploaded/files/2016/01/01/f0b63d68-b3e1-44dd-b4d2-43b164de7954__tooltipwithsingle.jpg
multiple windows (one without preview)
  https://git.reviewboard.kde.org/media/uploaded/files/2016/01/01/e775eab1-9fe3-4f9a-bc18-4db75d36cca2__tooltipwithmultiple.jpg


Thanks,

Kai Uwe Broulik

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