Difference between revisions of "KWin Rules"

 
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==Overview==
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<languages />
'''KWin''' allows the end-user to define rules to alter the behavior of an application's windows.
 
  
<!--T:73-->
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<translate>
{{Tip|Plasmoids, Workspaces can also be affected.}}
 
  
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==Overview== <!--T:1-->
  
For example, when an application is started, it can be forced to always run on ''Virtual Desktop #2.'' Or a defect in an application can be worked-around by using a rule to, say, always force the window on top of all others.
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<!--T:2-->
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'''KWin''' allows the end-user to define rules to alter an application's window attributes.
  
This page will define the different settings and the attributes.  For the impatient folks, working examples will be listedWhenever possible, screen shots will be used to show example settings.
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<!--T:3-->
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For example, when an application is started, it can be forced to always run on ''Virtual Desktop 2''Or a defect in an application can be worked-around to force the window above others.
  
==KWin Rule Editor==
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<!--T:4-->
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Step-by-step [[Special:myLanguage/KWin_Rules_Examples|examples]] are provided along with detailed information on using the [[Special:myLanguage/KWin_Rules#KWin_Rule_Editor|'''KWin''' Rule Editor]] to specify [[Special:myLanguage/KWin_Rules_Window_Matching|Window Matching]] and  [[Special:myLanguage/KWin_Rules_Window_Attributes|Window Attributes]].
  
[[Image:kwin-rules-ordering.png|250px|center]]
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</translate><span id="Examples_and_Application_Workaround"></span><translate>
  
===Invoking the Editor===
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==Examples and Application Workaround== <!--T:5-->
  
There are several ways one can invoke the Rules editor. Below are a couple:
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<!--T:6-->
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To see what's possible, detailed [[Special:myLanguage/KWin_Rules_Examples|examples]] are provided which can also be used to model your own rules.
  
* Right-click on the title-bar of any window, choosing <menuchoice>Configure Window Behavior ...</menuchoice> and in the '''Configure''' window, selecting <menuchoice>Window Rules</menuchoice> or
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<!--T:7-->
* <menuchoice>Configure Desktop -> Window Behavior -> Window Rules</menuchoice>
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A special page is dedicated to address [[Special:myLanguage/KWin_Rules_Application_Workarounds|Application Workaround]].
  
===Anatomy===
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</translate><span id="KWin_Rule_Editor"></span><translate>
  
[[Image:kwin-rule-editor.png|250px|center]]
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==KWin Rule Editor== <!--T:8-->
  
The editor is comprised of four tabs:
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</translate><span id="Invoking_the_KWin_Rule_Editor"></span><translate>
  
# <menuchoice>Window matching</menuchoice>
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===Invoking the KWin Rule Editor=== <!--T:9-->
# <menuchoice>Size & Position</menuchoice>
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# <menuchoice>Arrangement & Access</menuchoice>
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<!--T:10-->
# <menuchoice>Appearance & Fixes</menuchoice>
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[[Image:kwin-rules-ordering.png|350px|center]]
 +
 
 +
<!--T:11-->
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There are several ways to invoke the '''KWin''' Rule Editor.  Below are two:
 +
 
 +
<!--T:12-->
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* Right-click on the title-bar of any window, choose <menuchoice>More Actions</menuchoice>, <menuchoice>Configure Special Window Settings...</menuchoice> or
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 +
<!--T:13-->
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* <menuchoice>System Settings -> Window Behavior -> Window Rules</menuchoice>
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<!--T:14-->
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The main window is used to:
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<!--T:15-->
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* Affect rules with <menuchoice>New...</menuchoice>, <menuchoice>Modify...</menuchoice> and <menuchoice>Delete</menuchoice>
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<!--T:16-->
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* Share rules with others via <menuchoice>Import</menuchoice> and <menuchoice>Export</menuchoice>
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<!--T:17-->
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* Ensure desired [[Special:myLanguage/KWin_Rules#Rule_Evaluation|rule evaluation]] using <menuchoice>Move Up</menuchoice> and <menuchoice>Move Down</menuchoice>
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</translate><span id="Rule_Evaluation"></span><translate>
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====Rule Evaluation==== <!--T:18-->
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<!--T:19-->
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When an application starts (or the rules are modified), '''KWin''' evaluates the rules from the top of the list to the bottom.  For all rules which match a window, the collective set of attributes are applied to the window, then the window is displayed. 
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<!--T:20-->
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Should two or more matching rules enable the same attribute, the setting in the ''first'' rule in the list is used.
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<!--T:21-->
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{{Tip|You can tailor children windows for the application by placing the more restrictive rules first - see the [[Special:myLanguage/KWin_Rules_Examples#Application_on_all_Desktops_and_Handle_One_Child_Window_Uniquely|Kopete and Kopete Chat Window]] example.}}
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</translate><span id="Rule_Editor"></span><translate>
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===Rule Editor=== <!--T:22-->
  
As the name implies, <menuchoice>Window matching</menuchoice> is used to specify criteria to match one or more windows.  The other three tabs are used to alter the window's characteristics.
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<!--T:23-->
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[[Image:kwin-rule-editor.png|350px|center]]
  
===Rule Evaluation===
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<!--T:24-->
KWin evaluates the rules when an application starts and after editing rules.  Any matching rule's attribute(s) override the application's corresponding attribute(s).
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The editor is composed of four tabs:
  
====Order of Evaluation====
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<!--T:25-->
In the `Window Rules' window, the rules are listed in the order in which they are processed.  The rule at the top of the list is processed first, followed by the next rule until the end of the list is reached.
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# <menuchoice>Window matching</menuchoice></translate>
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<translate>
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<!--T:26-->
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# <menuchoice>Size & Position</menuchoice></translate>
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<translate>
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<!--T:27-->
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# <menuchoice>Arrangement & Access</menuchoice></translate>
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<translate>
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<!--T:28-->
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# <menuchoice>Appearance & Fixes</menuchoice>
  
====Rule Precedence====
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<!--T:29-->
In the event two rules match a window and affect the same attribute, the first rule in the list takes precedence.  
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As the name implies, <menuchoice>Window matching</menuchoice> is used to specify criteria to match one or more windows.  The other three tabs are used to alter the attributes of the matching windows.
  
==Examples==
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<!--T:30-->
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{{Tip|Panels can also be affected.}}
  
===Force a Window on a Desktop===
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</translate><span id="Window_Matching"></span><translate>
  
===Force a Window on all Desktops===
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====Window Matching==== <!--T:31-->
  
===Suppress a Window showing on Pager===
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<!--T:32-->
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Each window rule has user specified [[Special:myLanguage/KWin_Rules_Window_Matching|Window Matching]] criteria.  '''KWin''' uses the criteria to determine whether the rule is applicable for an application.
  
===Force a Window to the Top===
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</translate><span id="Window_Attributes"></span><translate>
  
''Good for knotes''
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====Window Attributes==== <!--T:33-->
  
===Multiple Rules per Application===
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<!--T:34-->
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Along with Window Matching criteria, each window rule has a set of [[Special:myLanguage/KWin_Rules_Window_Attributes|Window Attributes]].  The attributes override the corresponding application's settings and are applied before the window is displayed by '''KWin'''.
  
''e.g. Thunderbird on one desktop and composition window on any''
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<!--T:35-->
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[[Category:Desktop]]
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[[Category:Tutorials]]
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</translate>

Latest revision as of 22:44, 22 January 2021

Other languages:
English • ‎dansk • ‎italiano • ‎українська


Overview

KWin allows the end-user to define rules to alter an application's window attributes.

For example, when an application is started, it can be forced to always run on Virtual Desktop 2. Or a defect in an application can be worked-around to force the window above others.

Step-by-step examples are provided along with detailed information on using the KWin Rule Editor to specify Window Matching and Window Attributes.

Examples and Application Workaround

To see what's possible, detailed examples are provided which can also be used to model your own rules.

A special page is dedicated to address Application Workaround.

KWin Rule Editor

Invoking the KWin Rule Editor

Kwin-rules-ordering.png

There are several ways to invoke the KWin Rule Editor. Below are two:

  • Right-click on the title-bar of any window, choose More Actions, Configure Special Window Settings... or
  • System Settings -> Window Behavior -> Window Rules

The main window is used to:

  • Affect rules with New..., Modify... and Delete
  • Share rules with others via Import and Export

Rule Evaluation

When an application starts (or the rules are modified), KWin evaluates the rules from the top of the list to the bottom. For all rules which match a window, the collective set of attributes are applied to the window, then the window is displayed.

Should two or more matching rules enable the same attribute, the setting in the first rule in the list is used.


Ktip.png
Tip
You can tailor children windows for the application by placing the more restrictive rules first - see the Kopete and Kopete Chat Window example.

Rule Editor

Kwin-rule-editor.png

The editor is composed of four tabs:

  1. Window matching
  2. Size & Position
  3. Arrangement & Access
  4. Appearance & Fixes

As the name implies, Window matching is used to specify criteria to match one or more windows. The other three tabs are used to alter the attributes of the matching windows.

Ktip.png
Tip
Panels can also be affected.

Window Matching

Each window rule has user specified Window Matching criteria. KWin uses the criteria to determine whether the rule is applicable for an application.

Window Attributes

Along with Window Matching criteria, each window rule has a set of Window Attributes. The attributes override the corresponding application's settings and are applied before the window is displayed by KWin.


This page was last edited on 22 January 2021, at 22:44. Content is available under Creative Commons License SA 4.0 unless otherwise noted.