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KWin 5 with ICC color correction effect
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Vlad Zagorodniy eafe7aee65 [colorcorrection] Add "Constant" mode 
Summary:
Currently, the Night Color manager supports three operation modes:

* Automatic: in this mode, screen color temperature is computed based on
the current position of the Sun. In order to calculate sunrise & sunset
times, the manager needs coordinates of the user, which are provided by
Plasma;

* Location: this mode is very similar to the Automatic, except one minor
detail: user needs to provide his/her/their location. This mode can be
very useful if coordinates provided by Plasma are incorrect;

* Timings: unfortunately we can't compute timings of the Sun for people
living near Earth poles. This mode allows the user to specify timings of
sunrise and sunset as well the transition time.

This change introduces another mode, called Constant. With this mode the
screen color temperature is constant throughout the day. The new mode
can be useful for people wishing constant screen color temperature or
just for people living near Earth's North or South poles.

Reviewers: #kwin, davidedmundson

Reviewed By: #kwin, davidedmundson

Subscribers: ngraham, davidedmundson, romangg, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D21948
 		2019-07-22 00:30:39 +03:00
autotests [colorcorrection] Add "Constant" mode 2019-07-22 00:30:39 +03:00
cmake/modules Update URLs to use https 2019-03-25 19:26:23 +01:00
colorcorrection [colorcorrection] Add "Constant" mode 2019-07-22 00:30:39 +03:00
data Use new logging category directory when ECM>=5.59 2019-06-13 13:31:51 +02:00
decorations Merge branch 'Plasma/5.16' 2019-07-10 11:05:50 +02:00
doc Update URLs to use https 2019-03-25 19:26:23 +01:00
effects Copy the packages into the build directory so they can be found without installign 2019-07-16 17:31:24 +02:00
helpers Port away from deprecated headers 2019-07-09 23:59:07 +03:00
kcmkwin SVN_SILENT made messages (.desktop file) - always resolve ours 2019-07-18 05:28:09 +02:00
kconf_update kconfig_update for auto border size introduction 2019-06-06 22:27:00 +02:00
libinput Port away from deprecated headers 2019-07-09 23:59:07 +03:00
libkwineffects Fix -Wdeprecated-copy 2019-07-10 02:03:39 +03:00
platformsupport Port away from QRegion::rects 2019-07-10 01:00:51 +03:00
plugins SVN_SILENT made messages (.desktop file) - always resolve ours 2019-07-13 05:18:09 +02:00
qml fix virtual keyboard on Plasma Mobile 2018-12-10 16:50:06 +01:00
scripting SVN_SILENT made messages (.desktop file) - always resolve ours 2019-07-13 05:18:09 +02:00
scripts Install KPackages with kpackage_install_package 2019-07-16 14:21:14 +02:00
tabbox SVN_SILENT made messages (.desktop file) - always resolve ours 2019-07-13 05:18:09 +02:00
tests Port away from deprecated headers 2019-07-09 23:59:07 +03:00
xwl [xwl] Fix coding style issues 2019-07-03 00:54:55 +03:00
.arcconfig Adding .arcconfig 2016-03-15 13:37:47 +01:00
.arclint Add .arclint 2018-10-02 19:44:07 +03:00
CMakeLists.txt Update version number for 5.16.3 2019-07-09 15:51:51 +01:00
COPYING Put licence files on each repo, removing from root. 2014-03-26 19:01:09 +01:00
HACKING.md Introduce a new HACKING.md document to replace the previous HACKING 2018-12-17 18:11:59 +01:00
KWinDBusInterfaceConfig.cmake.in Add path to kwin_wayland binary to KWin's installed CMakeConfig 2015-11-19 09:28:16 +01:00
Mainpage.dox Apidocs mainpage work. Just got Plasma and Solid to do here. 2007-07-24 18:30:36 +00:00
Messages.sh Fix untranslatable strings in debug_console.ui shortcutdialog.ui 2018-09-17 11:39:47 +02:00
README.md Add a new markdown README 2018-12-22 08:42:38 +01:00
TESTING.md [platform/virtual] Drop support for vgem and rendernode 2019-01-12 07:37:25 +01:00
abstract_client.cpp Don't use deprecated toAscii() method 2019-07-10 22:50:00 +03:00
abstract_client.h [wayland] Apply window rules only to xdg-shell clients 2019-07-09 15:13:49 +03:00
abstract_opengl_context_attribute_builder.cpp Request a high-priority EGL contexts 2018-03-29 20:34:22 +09:00
abstract_opengl_context_attribute_builder.h Request a high-priority EGL contexts 2018-03-29 20:34:22 +09:00
abstract_output.cpp Overhaul AbstractOutput 2019-06-17 16:34:38 +03:00
abstract_output.h Overhaul AbstractOutput 2019-06-17 16:34:38 +03:00
abstract_wayland_output.cpp Fix xdg-output creation 2019-06-14 12:10:28 +02:00
abstract_wayland_output.h [platforms/x11/standalone] Port to AbstractOutput 2019-06-13 11:39:25 +02:00
activation.cpp Support NET_WM_STATE_FOCUSED 2019-05-10 15:32:55 +01:00
activities.cpp Revert "Remove saving and loading (and client matching by) WM_COMMAND." 2016-06-23 21:07:03 +02:00
activities.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
appmenu.cpp Don't try to open application menu when client doesn't have one 2018-04-23 15:42:02 +02:00
appmenu.h Fix minor EBN issues 2018-08-29 21:02:16 +03:00
atoms.cpp [xwl] text/x-uri converter for selected X url list format targets 2019-02-19 13:17:08 +01:00
atoms.h [xwl] text/x-uri converter for selected X url list format targets 2019-02-19 13:17:08 +01:00
client.cpp Don't crash when highlighted tabbox client is closed 2019-07-15 16:56:49 +03:00
client.h Remove Client fullscreen hack 2019-07-09 10:41:51 +02:00
client_machine.cpp Fix heap-use-after-free use in resolving ClientMachine 2015-10-01 10:09:52 +02:00
client_machine.h Improved resolving whether a window is on local machine 2013-01-21 16:00:49 +01:00
composite.cpp Save Compositor state in single variable 2019-07-04 22:52:05 +02:00
composite.h Save Compositor state in single variable 2019-07-04 22:52:05 +02:00
config-kwin.h.cmake [platforms/drm] EGLStream DRM Backend Initial Implementation 2019-04-15 07:26:22 -07:00
cursor.cpp Drop XFixes include in cursor.cpp 2019-01-09 22:29:45 +02:00
cursor.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
dbusinterface.cpp Partly remove Compositor restart functionality 2019-07-04 15:31:40 +02:00
dbusinterface.h Use new slot syntax in Compositor class 2019-07-04 14:22:04 +02:00
debug_console.cpp Support CriticalNotification type and place it in a CriticalNotificationLayer 2019-05-02 10:29:38 +02:00
debug_console.h Require libinput and udev 2018-02-04 15:00:42 +01:00
debug_console.ui fixuifiles 2018-09-18 07:52:44 +02:00
deleted.cpp [wayland] Make sure that only the fading popups effect animates outline 2019-04-09 14:21:22 +03:00
deleted.h [wayland] Make sure that only the fading popups effect animates outline 2019-04-09 14:21:22 +03:00
effectloader.cpp Introduce an EffectsHandler::animationsSupported -> bool 2016-08-15 17:38:33 +02:00
effectloader.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
effects.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
effects.h Support CriticalNotification type and place it in a CriticalNotificationLayer 2019-05-02 10:29:38 +02:00
egl_context_attribute_builder.cpp Request a high-priority EGL contexts 2018-03-29 20:34:22 +09:00
egl_context_attribute_builder.h [qpa] Use the new OpenGLContextAttributeBuilder to create Qt's OpenGL context 2017-07-17 16:53:37 +02:00
events.cpp Correct code style of Client fullscreen control 2019-07-08 12:51:57 +02:00
fixqopengl.h Fix the build on armhf/aarch64 2018-03-06 09:25:33 +05:30
focuschain.cpp Use explicit Chain type in the focus chain 2018-07-30 11:23:43 +03:00
focuschain.h Use explicit Chain type in the focus chain 2018-07-30 11:23:43 +03:00
geometry.cpp Rework Client fullscreen control 2019-07-17 10:37:56 +02:00
geometrytip.cpp Port to CMake AUTOMOC 2016-02-01 21:05:36 +01:00
geometrytip.h Use Xcb::GeometryHints instead of XGetWMNormalHints 2015-01-27 12:48:03 +01:00
gestures.cpp Fix build with clang and GCC6 2017-03-29 14:45:44 +02:00
gestures.h Fix minor Doxygen issues 2019-01-12 12:31:32 +02:00
globalshortcuts.cpp Don't try to filter null key combinations 2018-04-24 16:35:23 +02:00
globalshortcuts.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
group.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
group.h Improve updating user timestamp 2014-06-03 13:59:10 +02:00
idle_inhibition.cpp Use appropriate sequence algorithms in IdleInhibition 2019-01-11 15:28:28 +02:00
idle_inhibition.h Use appropriate sequence algorithms in IdleInhibition 2019-01-11 15:28:28 +02:00
input.cpp Merge branch 'Plasma/5.16' 2019-07-10 19:13:52 -04:00
input.h Delayed focus updates for Toplevels without surface 2019-06-06 23:34:49 +02:00
input_event.cpp Send axis_source, axis_discrete, and axis_stop 2019-05-17 12:06:10 +03:00
input_event.h Send axis_source, axis_discrete, and axis_stop 2019-05-17 12:06:10 +03:00
input_event_spy.cpp Pass SwitchEvent from LibInput through KWin and add to DebugConsole 2018-01-09 19:32:58 +01:00
input_event_spy.h Pass SwitchEvent from LibInput through KWin and add to DebugConsole 2018-01-09 19:32:58 +01:00
internal_client.cpp [wayland] Apply window rules only to xdg-shell clients 2019-07-09 15:13:49 +03:00
internal_client.h [wayland] Apply window rules only to xdg-shell clients 2019-07-09 15:13:49 +03:00
keyboard_input.cpp Remove X clipboard sync helper and rename its autotest 2019-02-19 12:30:43 +01:00
keyboard_input.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
keyboard_layout.cpp Make the Keyboard Layout SNI passive 2019-04-09 23:38:52 +02:00
keyboard_layout.h Introduce support for keyboard layout switching policies 2017-04-22 08:15:25 +02:00
keyboard_layout_switching.cpp Use end() instead of constEnd() for where we compare to an iterator 2017-04-22 20:28:12 +02:00
keyboard_layout_switching.h Add support for keyboard layout switching policy "winclass" 2017-04-22 08:15:59 +02:00
keyboard_repeat.cpp Split Keyboard Repeat handling into a dedicated InputEventSpy 2017-01-27 16:03:37 +01:00
keyboard_repeat.h Split Keyboard Repeat handling into a dedicated InputEventSpy 2017-01-27 16:03:37 +01:00
killwindow.cpp Use OnScreenNotification in kill window 2016-12-21 19:45:02 +01:00
killwindow.h Support interactive window selection through the Platform 2016-11-17 08:08:56 +01:00
kwin.kcfg Remove Client fullscreen hack 2019-07-09 10:41:51 +02:00
kwin.notifyrc SVN_SILENT made messages (.desktop file) - always resolve ours 2019-07-13 05:18:09 +02:00
kwinbindings.cpp Use new slot syntax in Compositor class 2019-07-04 14:22:04 +02:00
layers.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
logind.cpp remove superfluous code 2019-01-27 12:05:22 +05:30
logind.h logind: Add a function that detects the logind seat. 2018-01-05 22:46:39 +01:00
main.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
main.h KSelectionOwner usage in ApplicationX11 and Compositor classes 2019-06-27 18:08:12 +02:00
main_wayland.cpp Forward and log exit code of the nested process 2019-05-29 17:00:44 +02:00
main_wayland.h [wayland] Keep application startup flow inside main_wayland 2019-02-23 12:18:09 +00:00
main_x11.cpp Don't use deprecated toAscii() method 2019-07-10 22:50:00 +03:00
main_x11.h KSelectionOwner usage in ApplicationX11 and Compositor classes 2019-06-27 18:08:12 +02:00
manage.cpp Remove Client fullscreen hack 2019-07-09 10:41:51 +02:00
modifier_only_shortcuts.cpp Track the actual pressed keys in ModifierOnlyShortcuts 2017-02-23 16:55:41 +01:00
modifier_only_shortcuts.h Track the actual pressed keys in ModifierOnlyShortcuts 2017-02-23 16:55:41 +01:00
moving_client_x11_filter.cpp Use more accurate name for Workspace::getMovingClient method 2019-04-22 11:12:22 +03:00
moving_client_x11_filter.h Move X11 movingClient handling into a dedicated X11EventFilter 2017-09-01 16:57:43 +02:00
netinfo.cpp Support NET_WM_STATE_FOCUSED 2019-05-10 15:32:55 +01:00
netinfo.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
onscreennotification.cpp Drop invalid .moc file inclusion 2018-03-04 16:10:18 +01:00
onscreennotification.h Add support for skip close animation to OnScreenMessage 2017-01-25 13:54:34 +01:00
options.cpp Don't use deprecated toAscii() method 2019-07-10 22:50:00 +03:00
options.h Remove Client fullscreen hack 2019-07-09 10:41:51 +02:00
org.kde.KWin.VirtualDesktopManager.xml [wayland] Use the new plasma virtual desktop protocol 2018-11-01 16:35:29 +01:00
org.kde.KWin.xml Add a dbus method getWindowInfo returning same data as queryWindowInfo 2018-12-17 18:12:17 +01:00
org.kde.kappmenu.xml Restore global menu support 2017-01-11 10:21:03 +01:00
org.kde.kwin.ColorCorrect.xml [colorcorrection] Night Color - blue light filter at nighttime 2017-12-11 10:58:40 +01:00
org.kde.kwin.Compositing.xml [kcmkwin/compositing] Hide config options which don't make sense if Compositing is required 2016-09-13 15:47:42 +02:00
org.kde.kwin.Effects.xml [kwin] Add a new EffectLoader 2014-03-28 14:04:55 +01:00
org.kde.kwin.OrientationSensor.xml Add DBus interface to OrientationSensor and a persistent configuration 2017-12-26 22:02:47 +01:00
orientation_sensor.cpp Initialise the orientation sensor at start 2019-04-23 14:46:23 +02:00
orientation_sensor.h Initialise the orientation sensor at start 2019-04-23 14:46:23 +02:00
osd.cpp Add support for skip close animation to OnScreenMessage 2017-01-25 13:54:34 +01:00
osd.h Add support for skip close animation to OnScreenMessage 2017-01-25 13:54:34 +01:00
outline.cpp [wayland] Make sure that only the fading popups effect animates outline 2019-04-09 14:21:22 +03:00
outline.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
outputscreens.cpp Refactor getters in OutputScreens 2019-04-25 11:12:25 +03:00
outputscreens.h Refactor getters in OutputScreens 2019-04-25 11:12:25 +03:00
overlaywindow.cpp Move the X11 specific OverlayWindow into the platform/x11 2017-08-12 11:32:29 +02:00
overlaywindow.h Move the X11 specific OverlayWindow into the platform/x11 2017-08-12 11:32:29 +02:00
placement.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
placement.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
platform.cpp Send axis_source, axis_discrete, and axis_stop 2019-05-17 12:06:10 +03:00
platform.h Send axis_source, axis_discrete, and axis_stop 2019-05-17 12:06:10 +03:00
pointer_input.cpp Send axis_source, axis_discrete, and axis_stop 2019-05-17 12:06:10 +03:00
pointer_input.h Send axis_source, axis_discrete, and axis_stop 2019-05-17 12:06:10 +03:00
popup_input_filter.cpp Cancel popup if the user clicked window decoration of parent window 2017-04-11 20:22:32 +02:00
popup_input_filter.h Initial support for popup window handling 2017-04-07 16:14:50 +02:00
rootinfo_filter.cpp Create a dedicated X11EventFilter for the events used by RootInfo 2017-09-30 12:57:21 +02:00
rootinfo_filter.h Create a dedicated X11EventFilter for the events used by RootInfo 2017-09-30 12:57:21 +02:00
rules.cpp Make sure we don't resize clients before they've been set up 2019-06-23 19:59:19 +02:00
rules.h [autotests] Rewrite testShellClientRules 2019-07-09 15:13:49 +03:00
scene.cpp Verify that there is no scene windows when Scene is about to be destroyed 2019-03-05 15:19:19 +02:00
scene.h Add addToplevel and removeToplevel to Scene 2019-02-14 14:43:11 +02:00
screenedge.cpp Port away from QRegion::rects 2019-07-10 01:00:51 +03:00
screenedge.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
screenlockerwatcher.cpp Close screen grabbing effect when screensaver starts 2019-06-23 18:00:47 +02:00
screenlockerwatcher.h Close screen grabbing effect when screensaver starts 2019-06-23 18:00:47 +02:00
screens.cpp Remove BasicScreens class 2019-06-14 14:22:29 +02:00
screens.h Remove BasicScreens class 2019-06-14 14:22:29 +02:00
settings.kcfgc Use KConfigXT in KWin::Options 2013-02-14 08:29:03 +01:00
shadow.cpp Avoid crash without XWayland 2019-06-23 17:58:49 +02:00
shadow.h Port away from deprecated headers 2019-07-09 23:59:07 +03:00
shell_client.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
shell_client.h [wayland] Apply window rules only to xdg-shell clients 2019-07-09 15:13:49 +03:00
shortcutdialog.ui [kwin] Use ui-file for ShortcutDialog 2014-02-27 10:18:37 +01:00
sm.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
sm.h Revert "Remove saving and loading (and client matching by) WM_COMMAND." 2016-06-23 21:07:03 +02:00
tabgroup.cpp Port TabGroup from Client to AbstractClient 2018-05-20 19:50:29 +02:00
tabgroup.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
tabletmodemanager.cpp Make it possible to autodetect the tablet mode 2019-03-22 18:29:21 +01:00
tabletmodemanager.h Make it possible to autodetect the tablet mode 2019-03-22 18:29:21 +01:00
thumbnailitem.cpp Remove Compositor created check 2019-07-04 20:18:28 +02:00
thumbnailitem.h Switch ThumbnailItem to internal uuid instead of WId 2019-01-27 09:52:15 +01:00
toplevel.cpp Port away from QRegion::rects 2019-07-10 01:00:51 +03:00
toplevel.h Port away from deprecated headers 2019-07-09 23:59:07 +03:00
touch_hide_cursor_spy.cpp Hide mouse cursor when interacting with touch screen 2018-12-13 18:55:46 +01:00
touch_hide_cursor_spy.h Hide mouse cursor when interacting with touch screen 2018-12-13 18:55:46 +01:00
touch_input.cpp Leave decoration on touch up only once 2018-12-13 11:06:08 +01:00
touch_input.h Unset touch targets on no current touch points 2018-12-13 10:59:07 +01:00
udev.cpp [platform/virtual] Drop support for vgem and rendernode 2019-01-12 07:37:25 +01:00
udev.h [platform/virtual] Drop support for vgem and rendernode 2019-01-12 07:37:25 +01:00
unmanaged.cpp Move Unmanaged-specific hack away from Toplevel::setupCompositing 2019-04-16 10:12:30 +03:00
unmanaged.h Move Unmanaged-specific hack away from Toplevel::setupCompositing 2019-04-16 10:12:30 +03:00
useractions.cpp [colorcorrection] Introduce toggle Night Color shortcut 2019-07-09 18:43:21 +03:00
useractions.h [wayland] Use the new plasma virtual desktop protocol 2018-11-01 16:35:29 +01:00
utils.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
utils.h Port away from deprecated headers 2019-07-09 23:59:07 +03:00
virtual_terminal.cpp Port away from deprecated headers 2019-07-09 23:59:07 +03:00
virtual_terminal.h [wayland] Don't break if we try to vt-switch to vt we're on 2015-07-20 11:49:41 +02:00
virtualdesktops.cpp Send done event after the number of rows has been changed 2019-01-25 14:07:07 +02:00
virtualdesktops.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
virtualdesktopsdbustypes.cpp [wayland] Use the new plasma virtual desktop protocol 2018-11-01 16:35:29 +01:00
virtualdesktopsdbustypes.h [wayland] Use the new plasma virtual desktop protocol 2018-11-01 16:35:29 +01:00
virtualkeyboard.cpp Fix crash on closing 2019-03-20 17:35:14 +01:00
virtualkeyboard.h virtualkeyboard: resize the focused window to make room for the keyboard 2019-03-20 11:05:06 +01:00
virtualkeyboard_dbus.cpp Add DBus protocol to virtual keyboard 2017-10-19 17:59:19 +02:00
virtualkeyboard_dbus.h Add DBus protocol to virtual keyboard 2017-10-19 17:59:19 +02:00
was_user_interaction_x11_filter.cpp Create a dedicated X11EventFilter for recognizing first user interaction 2017-08-19 10:14:53 +02:00
was_user_interaction_x11_filter.h Create a dedicated X11EventFilter for recognizing first user interaction 2017-08-19 10:14:53 +02:00
wayland_cursor_theme.cpp Load Kwin's internal cursors for the highest resolution of attached monitors 2018-06-23 23:26:54 +01:00
wayland_cursor_theme.h Set specific edge cursor shape when resizing 2018-06-11 10:05:07 +01:00
wayland_server.cpp Implement the keystate protocol 2019-06-22 12:34:06 +02:00
wayland_server.h Implement the keystate protocol 2019-06-22 12:34:06 +02:00
window_property_notify_x11_filter.cpp Clean up includes 2018-08-31 22:58:11 +03:00
window_property_notify_x11_filter.h Add a dedicated X11EventFilter for forwarding property events to the effect system 2017-09-25 20:36:45 +02:00
workspace.cpp Don't crash when highlighted tabbox client is closed 2019-07-15 16:56:49 +03:00
workspace.h Remove unused signal from Workspace 2019-07-02 13:47:08 +02:00
x11eventfilter.cpp Support multiple event types in X11EventFilter 2016-11-16 07:48:19 +01:00
x11eventfilter.h Overhaul doxygen comments 2019-02-12 19:29:33 +02:00
xcbutils.cpp Don't call << in a temporary vector 2019-07-08 21:05:25 +02:00
xcbutils.h Port away from QRegion::rects 2019-07-10 01:00:51 +03:00
xkb.cpp Support enabling numlock on startup 2018-11-01 17:49:58 +01:00
xkb.h Support enabling numlock on startup 2018-11-01 17:49:58 +01:00
xkb_qt_mapping.h Support mapping QKeyEvent to xkb_keysym_t 2017-09-19 19:09:17 +02:00

README.md

KWin

KWin is an easy to use, but flexible, composited Window Manager for Xorg windowing systems (Wayland, X11) on Linux. Its primary usage is in conjunction with a Desktop Shell (e.g. KDE Plasma Desktop). KWin is designed to go out of the way; users should not notice that they use a window manager at all. Nevertheless KWin provides a steep learning curve for advanced features, which are available, if they do not conflict with the primary mission. KWin does not have a dedicated targeted user group, but follows the targeted user group of the Desktop Shell using KWin as it's window manager.

KWin is not...

  • a standalone window manager (c.f. openbox, i3) and does not provide any functionality belonging to a Desktop Shell.
  • a replacement for window managers designed for use with a specific Desktop Shell (e.g. GNOME Shell)
  • a minimalistic window manager
  • designed for use without compositing or for X11 network transparency, though both are possible.

Contacting KWin development team

Support

Application Developer

If you are an application developer having questions regarding windowing systems (either X11 or Wayland) please do not hesitate to contact us. Preferable through our mailing list. Ideally subscribe to the mailing list, so that your mail doesn't get stuck in the moderation queue.

End user

Please contact the support channels of your Linux distribution for user support. The KWin development team does not provide end user support.

Reporting bugs

Please use KDE's bugtracker and report for product KWin.

Developing on KWin

Please refer to hacking documentation for how to build and start KWin. Further information about KWin's test suite can be found in TESTING.md.

Guidelines for new features

A new Feature can only be added to KWin if:

  • it does not violate the primary missions as stated at the start of this document
  • it does not introduce instabilities
  • it is maintained, that is bugs are fixed in a timely manner (second next minor release) if it is not a corner case.
  • it works together with all existing features
  • it supports both single and multi screen (xrandr)
  • it adds a significant advantage
  • it is feature complete, that is supports at least all useful features from competitive implementations
  • it is not a special case for a small user group
  • it does not increase code complexity significantly
  • it does not affect KWin's license (GPLv2+)

All new added features are under probation, that is if any of the non-functional requirements as listed above do not hold true in the next two feature releases, the added feature will be removed again.

The same non functional requirements hold true for any kind of plugins (effects, scripts, etc.). It is suggested to use scripted plugins and distribute them separately.