Development/Architecture/KDE4/Plasma: Difference between revisions
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Plasma is the name of the new desktop | <translate><!--T:1--> | ||
Plasma is the name of the new desktop which replaced KDesktop in KDE4. You may think that it is a union of [http://netdragon.sf.net SuperKaramba] and KDesktop, but it's more. It's a whole concept of functionality and beauty.</translate> | |||
Its implementation is based on the Qt [http://doc. | <translate><!--T:2--> | ||
Its implementation is based on the Qt [http://qt-project.org/doc/qt-4.8/qgraphicsview.html Graphics View Framework] introduced in Qt 4.2.</translate> | |||
From a developer point of view there are some classes in libplasma who play central roles. | <translate><!--T:3--> | ||
From a developer point of view there are some classes in libplasma who play central roles.</translate> | |||
* '''Corona''': extends [http://doc. | * <translate><!--T:4--> | ||
* '''Widget''': extends [http://doc. | '''Corona''': extends [http://qt-project.org/doc/qt-4.8/qgraphicsscene.html QGraphicsScene] and provides functionality for adding applets and karamba themes.</translate> | ||
* '''Applet''': extends Widget and implements sophisticated functionality as rss display, a clock or system monitoring. | * <translate><!--T:5--> | ||
* '''DataEngine''': The common use of a DataEngine is to provide data to | '''Widget''': extends [http://qt-project.org/doc/qt-4.8/qgraphicsitem.html QGraphicsItem] and works as simple elements in the desktop. There are some built-in in libplasma as icons or buttons.</translate> | ||
* <translate><!--T:6--> | |||
'''Applet''': extends Widget and implements sophisticated functionality as rss display, a clock or system monitoring.</translate> | |||
* <translate><!--T:7--> | |||
'''DataEngine''': The common use of a DataEngine is to provide data to an applet for display. This allows a user interface elements to show all sorts of data.</translate> | |||
===Further reading=== | ===<translate><!--T:8--> | ||
* [http://plasma.kde.org Plasma homesite] | Further reading</translate>=== | ||
* [http://api.kde.org/4.0-api/kdebase-workspace-apidocs/libs/plasma/html/index.html API] | * <translate><!--T:9--> | ||
* [ | [http://plasma.kde.org Plasma homesite]</translate> | ||
* <translate><!--T:10--> | |||
[http://api.kde.org/4.0-api/kdebase-workspace-apidocs/libs/plasma/html/index.html API]</translate> | |||
* <translate><!--T:11--> | |||
[[Projects/Plasma|Plasma techbase page]]</translate> | |||
<translate><!--T:12--> | |||
[[Category:Architecture]]</translate> | |||
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[[Category:KDE4]]</translate> | |||
Revision as of 13:24, 4 March 2013
Plasma is the name of the new desktop which replaced KDesktop in KDE4. You may think that it is a union of SuperKaramba and KDesktop, but it's more. It's a whole concept of functionality and beauty.
Its implementation is based on the Qt Graphics View Framework introduced in Qt 4.2.
From a developer point of view there are some classes in libplasma who play central roles.
- Corona: extends QGraphicsScene and provides functionality for adding applets and karamba themes.
- Widget: extends QGraphicsItem and works as simple elements in the desktop. There are some built-in in libplasma as icons or buttons.
- Applet: extends Widget and implements sophisticated functionality as rss display, a clock or system monitoring.
- DataEngine: The common use of a DataEngine is to provide data to an applet for display. This allows a user interface elements to show all sorts of data.