Difference between revisions of "KWin Rules"

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There are several ways one can invoke the Rules editor.  Below are a couple:
 
There are several ways one can invoke the Rules editor.  Below are a couple:
  
* 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
+
* Right-click on the title-bar of any window, choose <menuchoice>Configure Window Behavior ...</menuchoice> and in the '''Configure''' window, select <menuchoice>Window Rules</menuchoice> or
 
* <menuchoice>Configure Desktop -> Window Behavior -> Window Rules</menuchoice>
 
* <menuchoice>Configure Desktop -> Window Behavior -> Window Rules</menuchoice>
  

Revision as of 19:08, 20 February 2012

Overview

KWin allows the end-user to define rules to alter the behavior of an application's windows.

Ktip.png
Tip
Plasmoids, Workspaces can also be affected.

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.

This page will define the different settings and the attributes. For the impatient folks, working examples will be listed. Whenever possible, screen shots will be used to show example settings.

KWin Rule Editor

Kwin-rules-ordering.png

Invoking the Editor

There are several ways one can invoke the Rules editor. Below are a couple:

  • Right-click on the title-bar of any window, choose Configure Window Behavior ... and in the Configure window, select Window Rules or
  • Configure Desktop -> Window Behavior -> Window Rules

Anatomy

Kwin-rule-editor.png

The editor is comprised 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 window's characteristics.

Rule Evaluation

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).

Order of Evaluation

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.

Rule Precedence

In the event two rules match a window and affect the same attribute, the first rule in the list takes precedence.

Examples

Force a Window on a Desktop

Force a Window on all Desktops

Suppress a Window showing on Pager

Force a Window to the Top

Good for knotes

Multiple Rules per Application

e.g. Thunderbird on one desktop and composition window on any


This page was last edited on 20 February 2012, at 19:08. Content is available under Creative Commons License SA 4.0 unless otherwise noted.