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David Edmundson 901cc3e159 Do not keep reparsing plasmarc configuration 
KConfig->reparseConfiguration is expensive. It throws away our cached
values.

The Units constructor was calling this every single time. Units is
created a _lot_; once per applet and once per FrameSVGItem.

This meant we were reloading the same config ~100 times on startup for
no reason.

Perf showed this as being ~5% of the total startup time.

-    7.47%     0.00%      plasmashell  libKF5ConfigCore.so.5.5.0
                   [.] KConfig::reparseConfiguration()

   - KConfig::reparseConfiguration()

      + 66.51% Units::settingsFileChanged(QString const&)

      + 25.95% KConfig::KConfig(QString const&,
QFlags<KConfig::OpenFlag>, QStandardPaths::StandardLocation)

      + 3.93% KDesktopFile::KDesktopFile(QString const&)

      + 3.61% Units::settingsFileChanged(QString const&)

Change-Id: Ia70b7001ba473c8063e6c999b8e4233ea5b206f5
2014-12-11 01:04:57 +01:00
autotests SVN_SILENT made messages (.desktop file) 2014-12-07 08:47:50 +00:00
docs fix plasmapkg2 manpage 2014-05-05 13:16:05 +02:00
examples SVN_SILENT made messages (.desktop file) 2014-12-07 08:47:50 +00:00
src Do not keep reparsing plasmarc configuration 2014-12-11 01:04:57 +01:00
tests SVN_SILENT made messages (.desktop file) 2014-12-01 08:51:21 +00:00
.reviewboardrc Fix .reviewboardrc syntax 2014-06-02 17:39:23 +01:00
CMakeLists.txt Update version numbers for future 5.5 release 2014-12-03 10:21:09 +01:00
COPYING Add COPYING and COPYING.LIB files 2013-12-23 18:39:10 +00:00
COPYING.LIB Add COPYING and COPYING.LIB files 2013-12-23 18:39:10 +00:00
KF5PlasmaConfig.cmake.in Fix Plasma_INCLUDE_INSTALL_DIR variable in config module 2014-04-26 12:56:34 +01:00
KF5PlasmaMacros.cmake Remove rather outdated .svn install exclusion 2014-09-25 13:16:28 +02:00
metainfo.yaml Add metadata about the QMake and CMake packages installed by this framework and remove Links from README.md 2014-08-13 10:56:51 +02:00
README.md Put QML Components at the top 2014-09-12 14:00:32 +02:00

README.md

Plasma Framework

The plasma framework provides the foundations that can be used to build a primary user interface, from graphical to logical components.

Introduction

The plasma framework provides the following:

  • QML components
  • A C++ library: libplasma
  • Script engines

QML components

org.kde.plasma.core

Bindings for libplasma functionality, such as DataEngine and FrameSvg, see @ref core.

org.kde.plasma.components

Graphical components for common items such as buttons, lineedits, tabbars and so on. Compatible subset of the MeeGo components used on the N9, see @ref plasmacomponents.

org.kde.plasma.extras

Extra graphical components that extend org.kde.plasma.components but are not in the standard api, see @ref plasmaextracomponents.

org.kde.plasma.plasmoid

Attached properties for manipulating the current applet or containment, see @ref libplasmaquick

libplasma

This C++ library provides:

  • rendering of SVG themes
  • loading of files from a certain filesystem structure: packages
  • data access through data engines
  • loading of the plugin structure of the workspace: containments and applets

See @ref libplasma.

Script engines

Provides support to create applets or containments in various scripting languages.