Difference between revisions of "KWin Rules"

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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 of others.
 
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 of others.
  
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]].
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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]].
  
 
==Examples==
 
==Examples==
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====Window Matching====
 
====Window Matching====
  
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.
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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.
  
 
====Window Attributes====
 
====Window Attributes====
  
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'''.
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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'''.

Revision as of 21:00, 2 March 2012

Overview

KWin allows the end-user to define rules to alter the behavior of 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 of 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

A collection of examples is provided to convey the power of KWin window rules.

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 Configure Window Behavior ... and in the Configure window, select Window Rules 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
  • Ensure desired rule evaluation using Move Up and Move Down

Rule Evaluation

When an application starts (or the rules are modified), KWin evaluates the rules from the top of the list, looking for the first matching rule. If a rule matches, the attributes set in the rule are applied to the window and the window is displayed.

Ktip.png
Tip
As KWin stops processing rules on the first match, when creating multiple rules for an application, list the rules with more restrictive matching criteria first.


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.


Content is available under Creative Commons License SA 4.0 unless otherwise noted.