It can be confusing if a plugin can be only inside of a horizontal panel,
but not in a vertical one. Plus - what if it was added to a horizontal
panel, and then the panel orientation was changed - it will disappear - not
intuitive at all.
What I like in plasma widgets - you can use the same widgets on the desktop
and on any panel. Container (panel or desktop) says to a plugin what
constraints are on init - whether its horizontal panel (and plugin can
expand horizontally, but restricted vertically), vertical or desktop (where
it can grow both directions). BTW KDE took the second approach - dictating
size to a plugin.
I like the current implementation, though I liked hybrid (with min and max)
idea more.
I must warn everyone, that rotating widgets in Qt - is quite a complicated
task (I made it for clock plugin), plus there is big penalty in performance
- the whole widget is drawn twice!
Cheers,
Kuzma
On 7 August 2013 02:04, Александр Соколов <[email protected]> wrote:
> 2013/8/6 2noob2banoob <[email protected]>
>
>> I think the most elegant way would be a hybrid way, where the user can
>> set a minimum and maximum size and within those bounds the panel tries to
>> automatically adjust its size to the sizehint of plugins.
>>
> I do not see sense to have 2 parameters, it will only complicate the
> algorithm and confuse the user.
>
>
> 2013/8/6 PCMan <[email protected]>
>
>>
>> I got hit by totally the same problem when I tried to do lxpanel in the
>> past.
>> What we did it, change the orientation of the label, so it can be
>> shown rotated and the panel remains thin. Of course, this is ugly and
>> the label became less readable.
>> This, however, is the only way to make the panel thin and make the
>> content visible at the same time.
>> Just tried Windows and it has exactly the same problem. When you make
>> the panel vertical, the date string determines the total thickness of
>> the panel.
>>
>> IMHO, it's better to let the applets determine how important their
>> contents are.
>> If the applet claim that its content can shrink, then its size is
>> determined by the panel, and the applet scale its content to adopt the
>> new size.
>> Otherwise, if an applet claim that it's not resizable at all, then the
>> panel respect its special needs.
>> This kind of claim can be done with a flag which can be set on an applet.
>> By default, the panel manage the size and ask the child applets to
>> resize their content to fit the panel, but if some applets ask for a
>> minimal size explicitly, the panel respect them and do not try to
>> shrink them.
>>
>> The applet can also expose a flag telling the panel whether it can
>> accept a vertical orientation or not. If its content can be rotated
>> and it supports vertical orientation, then the panel can make the
>> applet vertical and remains thin.
>>
>
> So, we continue to use the current algorithm.
> Any additional flags don't need, an applet can use the minimumSize,
> maximumSize minimumSizeHint, sizeHint, sizePolicy. This is enough to
> implement the described algorithm. And it enough to destroy the developer's
> mind:)
>
>
>
> --
> Best regards,
> Alexander.
>
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