Archive:Development/Architecture/KDE4/Plasma (zh TW)
Development/Architecture/KDE4/Plasma
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Plasma 是在 KDE4 中計劃取代 KDesktop 的新型桌面的名稱。你可以把它視為是SuperKaramba和 KDesktop 的結合，但它不僅是如此。它是一個整合了功能和美學的概念。
它的實現基於自 Qt 4.2 開始引入的 Qt Graphics View 框架。
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.