KDE Platform 4

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KDE Platform 4
KDE Mascot Konqi for KDE Frameworks.png
Original author(s)KDE
Initial release11 January 2008; 11 years ago (2008-01-11)[1]
Final release4.14.12 (September 15, 2015; 3 years ago (2015-09-15)) [±][2]
Repository Edit this at Wikidata
Written inC++[3][4]
LicenseGNU Lesser General Public License (LGPL)

KDE Platform 4 was a collection of libraries and software frameworks by KDE that served as technological foundation for KDE Software Compilation 4 distributed under the GNU Lesser General Public License (LGPL). KDE Platform 4 was the successor to KDElibs and the predecessor of KDE Frameworks. KDE Platform 4 is the only version of KDE Platform, see KDE’s brand repositioning.


Technologies superseded in KDE Platform 4[edit]


KParts is the component framework for the KDE Plasma desktop environment. An individual component is called a KPart. KParts are analogous to Bonobo components in GNOME and ActiveX controls in Microsoft's Component Object Model. Konsole is available as a KPart and is used in applications like Konqueror and Kate.

Example uses of KParts:

External links


Solid is a device integration framework for KDE Platform 4 and its successor, KDE Frameworks. It functions on similar principles to KDE's multimedia pillar Phonon; rather than managing hardware on its own, it makes existing solutions accessible through a single API. The current solution uses udev, NetworkManager and BlueZ (the official Linux Bluetooth stack). However, any and all parts can be replaced without breaking the application, making applications using Solid extremely flexible and portable.[5][6] Work is underway to build a Solid backend for the Windows port of KDE based on Windows Management Instrumentation.[7]

Solid is broken up into many hardware “domains” which operate independently. Domains may be added as needed. For instance, one domain may be Bluetooth, and another may be power management. Solid is used extensively within KDE 4 and its popular applications, making them more aware of hardware events and easier to develop.

External links


  1. ^ "KDE 4.0 Release Announcement".
  2. ^ "KDE Ships KDE Applications 15.08.1". KDE. 15 September 2015. Retrieved 16 September 2015.
  3. ^ "The KDE development platform". Retrieved 2010-11-26.
  4. ^ "Development/Languages". Retrieved 2010-12-04.
  5. ^ K Desktop Environment - KDE 4.0 Released
  6. ^ UPower, UDev and UDisks Support, Metadata Backup
  7. ^ KDE Commit Digest issue 107

External links[edit]