Review Request 109648: Implement the implicitWidth/implicitHeight of the chat plasmoid

[Marco Martin]

> On March 21, 2013, 6:54 p.m., David Edmundson wrote:
> > I'm very much against shipping any patches if we don't know why it fixes it. From what I can see from declarative/declarativeitemcontainer.cpp it just sets the minimumWidth to it... which I would have thought it would be doing anyway when we set the minimumWidth.
> > 
> > Any documentation on implicitWidth, preferredWidth, minimumWidth and width would be incredibly useful. 
> > 
> > Given the proximity to the deadline and your testing I can't see this breaking anything, so ship it if you're confident with it.

meh, browser ate my previous comment :/
i was saying: declarativeitemcontainer.cpp is used only when the item is in a Dialog (in the popup)
the root qml item is contained in a Plasma::DeclarativeWidget from libplasma

the minimum/implicit/maximum sizes of the root qml item gets exported as minimumSize,preferredSize and maximumSize respectively of the qgraphicswidget, therefore minimum,preferred and maximum of the Applet that is in the linear layout of the panel.

so, the documentation that applies is
http://qt-project.org/doc/qt-4.8/qgraphicslayoutitem.html
http://qt-project.org/doc/qt-4.8/qgraphicslinearlayout.html


basically minimum width: the layout will never resize the applet less than that, maximum width: the layout will never resize the applet more than that

preferred (in qml they decided to rename it to implicit but same thing) the layout will try to give it that size, but will still give it a different size when needed

so if as minimum, implicit and maximum you have 12, 56, 100 respectively, the layout will try to make it 56 pixels wide, but can decide to give it a different width, but never less than 12 and never more than 100


- Marco


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On March 21, 2013, 5:37 p.m., Aleix Pol Gonzalez wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> http://git.reviewboard.kde.org/r/109648/
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> 
> (Updated March 21, 2013, 5:37 p.m.)
> 
> 
> Review request for Plasma, Telepathy and David Edmundson.
> 
> 
> Description
> -------
> 
> Implements those 2 properties, aliasing to the similar preferredWidth/Height.
> 
> When I have Icon-Only tasks + Chat plasmoid in a panel, their growth rendered unpredictable. Implementing the implicit seems to solve this problem.
> 
> 
> Diffs
> -----
> 
>   chat/org.kde.ktp-chat/contents/ui/main.qml e11269e 
> 
> Diff: http://git.reviewboard.kde.org/r/109648/diff/
> 
> 
> Testing
> -------
> 
> I was reproducing the problem regularly since a couple of days, then now I cannot reproduce anymore.
> 
> There's no testing per se, though...
> 
> 
> Thanks,
> 
> Aleix Pol Gonzalez
> 
>

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