Review Request 114283: Use QtQuickControls ScrollView internally in PlasmaExtraComponents.ScrollArea

[Commit Hook]

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This review has been submitted with commit 66e2b915f6c8bc82b0fc08819a1e1c1601721cdf by David Edmundson to branch master.

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On June 19, 2014, 6 p.m., David Edmundson wrote:
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> https://git.reviewboard.kde.org/r/114283/
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> (Updated June 19, 2014, 6 p.m.)
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> Review request for KDE Frameworks and Plasma.
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> Repository: plasma-framework
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> Description
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> Use QtQuickControls ScrollView internally
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> Flickable has a very odd API in which contentHeight can't be trusted. we need to update our ScrollBars/ScrollArea to make use of the new
> originX and originY in order to fix a lot of bugs that we currently see with scrollbars.
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> Instead of doing that, by porting to use QtQuick Controls we get all
> these bug fixes as well as _significantly_ reducing our code.
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> Having a separate logic vs UI, makes things (IMHO) easier to read.
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> I don't expect to merge this as-is; I haven't included the plasma
> feature that creates a SectionScroller if the content is a listview, but
> that should be viable. As far as I know all other features (keyboard
> controls / hiding buttons on touch screens) are still kept.
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> Files removed are as indication as to long term changes from making this
> change, in order to do that we need to port all users from ScrollBars ->
> ScrollArea. (which is worth doing anyway IMHO)
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> Diffs
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>   src/declarativeimports/plasmaextracomponents/qml/ScrollArea.qml 860c0e7 
>   src/declarativeimports/plasmaextracomponents/qml/styles/ScrollViewStyle.qml PRE-CREATION 
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> Diff: https://git.reviewboard.kde.org/r/114283/diff/
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> Testing
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> Widget Explorer in plasma-shell looks exactly as before.
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> Thanks,
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> David Edmundson
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