Stellarium / stellarium / 20511258081

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Avoid showing a separate-window tooltip

On many Intel GPUs under Windows, when in full-screen mode, opening of a
popup window for the tooltip by QToolTip switches the screen from
exclusive full screen mode to a managed one, which results in flicker.

This patch instead shows the tooltip as a QGraphicsScene item, which
avoids creating of a separate window.

0 of 42 new or added lines in 2 files covered. (0.0%)

14713 of 130255 relevant lines covered (11.3%)

16126.85 hits per line