KWin Rule Editor

Invoking the KWin Rule Editor
There are several ways to invoke the Rule Editor. Below are two:
Right-click on the title-bar of any window, choose More Actions Window Manager Settings... 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), 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.
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
The editor is composed of four tabs:
Window matching
Size & Position
Arrangement & Access
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.
Panels can also be affected.

Window Matching
Each window rule has user specified Window Matching criteria. 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 .