Development/Architecture/KDE4/Plasma: Difference between revisions
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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. | |||
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. | |||
Its implementation is based on the Qt Graphics View Framework introduced in Qt 4.2. | |||
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. | |||
From a developer point of view there are some classes in libplasma who play central roles. | |||
* | * '''Corona''': extends {{qt|QGraphicsScene}} and provides functionality for adding applets and karamba themes. | ||
'''Corona''': extends {{qt|QGraphicsScene}} and provides functionality for adding applets and karamba themes. | * '''Widget''': extends {{qt|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. | ||
'''Widget''': extends {{qt|QGraphicsItem}} and works as simple elements in the desktop. There are some built-in in libplasma as icons or buttons. | * '''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. | ||
* | |||
'''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. | |||
=== | ===Further reading=== | ||
Further reading | * [http://community.kde.org/Plasma Plasma community page] | ||
* | * [http://plasma.kde.org Plasma homepage] | ||
[http://community.kde.org/Plasma Plasma community page] | * [http://api.kde.org/4.0-api/kdebase-workspace-apidocs/libs/plasma/html/index.html API] | ||
* | |||
[http://plasma.kde.org Plasma homepage] | |||
* | |||
[http://api.kde.org/4.0-api/kdebase-workspace-apidocs/libs/plasma/html/index.html API] | |||
[[Category:Architecture]] | |||
[[Category:Architecture]] | [[Category:KDE4]] | ||
[[Category:KDE4]] | |||
Latest revision as of 12:33, 9 February 2018
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.