Review Request 122939: Immediately hide tooltip on ToolTipArea destruction or when it becomes empty

[Kai Uwe Broulik]

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https://git.reviewboard.kde.org/r/122939/
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Review request for Plasma.


Repository: plasma-framework


Description
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When the tooltip is empty (no text and no subtext and no mainitem) it will not show. However, when it becomes empty while it is shown, it stays there as a small rectangle.

This patch hides the tooltip immediately (so KWin's fadeout animation still has the proper content rather than the empty tooltip) when the area has been destroyed or its content becomes empty.

It access s_dialog directly not to unneccessarily create a tooltipInstance just for a call in the destructor or that wouldn't have effect without a tooltip anyway.


Diffs
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  src/declarativeimports/core/tooltip.h 7a58826 
  src/declarativeimports/core/tooltip.cpp 40e0af5 

Diff: https://git.reviewboard.kde.org/r/122939/diff/


Testing
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Hovered KMail tray icon, closed KMail using Ctrl+Q while still hovering the icon.
Previously the tooltip would change into an empty rectangle, staying there until the tooltip times out, now it hides nicely.


Thanks,

Kai Uwe Broulik

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