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tdelibs/kded
Timothy Pearson d80ccaf94c
Fix printing of debug information on KDED crash
10 years ago
..
test Fix ServiceTypes, ExcludeServiceTypes, and DocPath desktop file entries to match XDG specifications 10 years ago
CMakeLists.txt Revert commit 1d498994 11 years ago
DESIGN Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
HOWTO Rename KDEHOME and KDEDIR 13 years ago
Mainpage.dox Additional k => tde renaming and fixes 11 years ago
Makefile.am Additional k => tde renaming and fixes 11 years ago
README.kded Rename kderc -> tderc in support of bug report 1447. 12 years ago
kbuildimageiofactory.cpp Rename additional header files to avoid conflicts with KDE4 12 years ago
kbuildimageiofactory.h Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
kbuildprotocolinfofactory.cpp Rename additional header files to avoid conflicts with KDE4 12 years ago
kbuildprotocolinfofactory.h Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
kbuildservicefactory.cpp Rename additional header files to avoid conflicts with KDE4 12 years ago
kbuildservicefactory.h Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
kbuildservicegroupfactory.cpp Rename additional header files to avoid conflicts with KDE4 12 years ago
kbuildservicegroupfactory.h Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
kbuildservicetypefactory.cpp Rename additional header files to avoid conflicts with KDE4 12 years ago
kbuildservicetypefactory.h Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
kctimefactory.cpp Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
kctimefactory.h Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
kded.cpp Fix printing of debug information on KDED crash 10 years ago
kded.h Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
kded.upd Convert remaining references to kde3 (e.g. in paths) to trinity 13 years ago
kdedmodule.cpp Rename KShared 12 years ago
kdedmodule.desktop Update XDG information in support of bug report 892. 13 years ago
kdedmodule.h Rename KShared 12 years ago
khostname.cpp Rename additional header files to avoid conflicts with KDE4 12 years ago
kresourcelist.h TQt conversion fixes 14 years ago
tde-applications.menu Restructure menu: move Office->PIM submenu items to Internet and Office menus. 11 years ago
tde-applications.menu-no-kde Restructure menu: move Office->PIM submenu items to Internet and Office menus. 11 years ago
tde-menu.cpp Rename additional header files to avoid conflicts with KDE4 12 years ago
tdebuildsycoca.cpp Fix application menu. This partially resolves bug report 1563. 11 years ago
tdebuildsycoca.h Rename a number of libraries and executables to avoid conflicts with KDE4 12 years ago
tdemimelist.cpp Rename common header files for consistency with class renaming 12 years ago
vfolder_menu.cpp Rename additional header files to avoid conflicts with KDE4 12 years ago
vfolder_menu.h Initial conversion for TQt for Qt4 3.4.0 TP2 14 years ago

README.kded

Welcome to this readme about KDED.

KDED stands for KDE Daemon which isn't very descriptive.
KDED runs in the background and performs a number of small tasks.
Some of these tasks are built in, others are started on demand.

Built in tasks
==============
*) Checking for newly installed software and updating tdesycoca when new
software is detected. Updating of tdesycoca is done by the program tdebuildsycoca
which gets started by kded. When kded is first started it always runs
tdebuildsycoca to ensure that tdesycoca is up to date.

*) Checking for newly installed update files. Applications can install
*.upd update files. These *.upd files are used to update configuration files 
of users, primarily when new versions of applications are installed with
(slightly) different configuration file formats. Updating of configuration
files is done by tdeconf_update. kded starts tdeconf_update when it detects a 
new update file. When kded is first started it always runs tdeconf_update to
ensure that it has not missed any update files. tdeconf_update keeps track
of which update files have been processed already in the config-file
tdeconf_updaterc. It only performs a certain update once.

*) Checking for hostname changes. It is a really bad idea to change the 
hostname of a running system and it usually only happens with incorrectly
configured dial-up connections. Never the less, kded will check for hostname
changes and if it detects one it will make the necassery changes to the
KDE environemnt and X-server to allow continued proper operation. The 
program kdontchangethehostname is executed to make the actual changes.

Configuration of built in tasks.
================================
The built in tasks have some configuration options that can be changed by
editing the kdedrc configuration file. Changes need to be made with a text-
editor, there is no GUI available. All options are listed under the [General]
group:

HostnamePollInterval: This can be used to adjust the time interval at which
the hostname is checked for changes. The time is specified in milliseconds
and has a default of 5000 (5 seconds).

CheckSycoca: This option can be used to disable checking for new software.
tdesycoca will still be built when kded starts up and when applications
explicitly request a rebuild of the tdesycoca database. The user can 
also manually rebuild tdesycoca by running the tdebuildsycoca program.
The default value of this option is "true". Checking can be disabled by 
setting this option to "false".

CheckUpdates: This option can be used to disable checking for update files.
tdeconf_update will still be run when kded starts up.
The default value of this option is "true". Checking can be disabled by 
setting this option to "false".

CheckHostname: This option can be used to disable checking for hostname 
changes. The default value of this option is "true". Checking can be 
disabled by setting this option to "false".

Example kdedrc file with default values:

[General]
HostnamePollInterval=5000
CheckSycoca=true
CheckUpdates=true
CheckHostname=true

If FAM or DNOTIFY is not available, the filesystem will be polled at regular interval for any changes. Under the [DirWatch] group in the kdeglobals file
the following options are available to adjust the polling frequency:

PollInterval: This can be used to adjust the time interval at which the local
filesystem is checked for new software or update files. The time is specified
in milliseconds and has a default of 500 (0.5 seconds).

NFSPollInterval: This can be used to adjust the time interval at which remote
filesystems, such as NFS or Samba, are ebing checked for new software or 
update files. The time is specified in milliseconds and has a default of 5000
(5 seconds).

The above options are not used when FAM is used to watch for changes in the
filesystem, or when DNOTIFY is used. Specifying larger intervals may reduce 
the CPU load and/or network traffic. Shorter intervals are not recommended.

Please note that in previous versions of KDE these options where listed in 
the tderc file.

Example kdeglobals fragment:

[DirWatch]
PollInterval=500
NFSPollInterval=5000

Tasks loaded on demand
======================
Some things can be greatly simplified if they can be coordinated from a 
central place. KDED has support for modules that will be demand-loaded 
whenever an application attempts to make DCOP call to the module.
This can be useful for central administration tasks.

An example of a KDED module is the print module. When an application prints
a file, the print module will watch over the print-job while the file
is being printed. This allows you to close the application after submitting
your print-command to the printer, the print module will make sure to
inform the user when a print problem occurs (printer out of paper, printer
on fire)

A KDED module should install a .desktop file with
	ServicesTypes=KDEDModule

A KDED module will be loaded on KDE startup if it has a line
	X-TDE-Kded-autoload=true

Note that this flag doesn't cause the module to be loaded if the KDE desktop
is not running (i.e. when running a KDE application in another environment).

Normally KDED modules are loaded whenever they are accessed, so you don't
need autoloading enabled. On demand loading can be disabled by putting
the following line in the .desktop file:
	X-TDE-Kded-load-on-demand=false

Further it should contain:
	X-TDE-ModuleType=Library
	X-TDE-Library=foo
	X-TDE-FactoryName=foo

Which means that kded_foo.la is the name of the library that contains 
the module and KDEDModule *create_foo(const QCString &) is the factory 
function that should be called.

The .desktop file should be installed to ${kde_servicesdir}/kded