[dolphin] [Bug 429447] URL Navigator has only half of the available width

[Fabian Vogt]

https://bugs.kde.org/show_bug.cgi?id=429447

--- Comment #11 from Fabian Vogt <fabian at ritter-vogt.de> ---
(In reply to Fabian Vogt from comment #10)
> I see that the code is using mapToGlobal quite liberally. Note that
> mapToGlobal really uses global screen coordinates, which aren't reliable and
> shouldn't be used for such calculations.
> 
> I set a breakpoint at followViewContainerGeometry and it's called even
> before the window is visible, so mapToGlobal will return wrong values as
> there's no window yet. That might be the cause of this.
> 
> It probably works for resizes because the window is visible at that point
> and the stored window size might just trigger a resize event with similar
> effect.

This seems to be the case indeed. For the first few calls of adjustSpacing,
m_globalXOfSplitter is 0 here as it's just not shown yet. By updating
m_globalXOfSplitter in adjustSpacing, it's set propely on the fourth call and
the spacing calculations are correct.

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