Current state of System Monitor

[Mark]

On Tue, Aug 7, 2012 at 12:55 PM, Dmitry <dmitry.ashkadov at rosalab.ru> wrote:
> 07.08.2012 13:16, Marco Martin пишет:
>
>> On Tuesday 07 August 2012, Dmitry wrote:
>>>
>>> Hello!
>>>
>>> I'm working on my new system monitor applet. I hate current default C++
>>> applet. So, I've decided to implement my simple system monitor in pure
>>> QML (no C++ code at all). At the same time I don't know would KDE team
>>> include my applet in the future.
>>
>> i would like to replace the current c++ applet(s)
>> however to make a painless transition for users it should look as similar
>> as
>> possible to the current ones (and then make eventual visual modifications
>> a
>> second time)
>
> I don't really need graphical visualization of history of values (plotter).
> Current monitor applet acquires too many space on panel and at the same time
> it shows current value incorrectly. So, I don't want to replace current
> system monitor because it is intended to be placed on a desktop and I need
> more simple monitor applet on panel. I usually don't see my desktop (and
> never place applets on it) and I think it is better that system monitor
> applet is placed on panel.
>
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My advice would be to use the current KDE Plasma ported components [1]
in QML. You can find the documentation of each of those bindings in
the C++ docs [2] note that you also need to look at the header files
to figure out which values are usable in QML (Q_PROPERTY and
Q_INVOKABLE) If you need a canvas, make a QML wrapper around the
Plasma::SignalPlotter component that implements the same functions as
[3]. It's a bit of a hassle and not optimal, but it will make your
code ready to port to Qt5 thus makes your life a lot easier + doing
that also - likely - allows your plasmoid to be accepted in KDE. (no
guarantees!)

[1] http://quickgit.kde.org/index.php?p=kde-runtime.git&a=blob&h=6cc3011319d750cb70c4cb98eb5290bf042c4d78&hb=944cbca008962f41c33c994ef320771ec7fed161&f=plasma%2Fdeclarativeimports%2Fgraphicswidgets%2Fgraphicswidgetsbindingsplugin.cpp
[2] http://api.kde.org/4.8-api/kdelibs-apidocs/plasma/html/namespacePlasma.html
[3] http://doc-snapshot.qt-project.org/5.0/qml-qtquick2-context2d.html