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

[Fabian Vogt]

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

--- Comment #12 from Fabian Vogt <fabian at ritter-vogt.de> ---
(In reply to Fabian Vogt from comment #11)
> (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.

Should I just submit ^ as workaround?

In openQA this hits in 100% of all first starts, so I expect that users will
notice this. It's not that bad as just resizing the window or restarting
dolphin fixes it, but it's literally the first impression...

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