View source for KWin Rules Window Matching/da

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== Vindue-matchning ==

[[Image:kwin-window-matching.png|350px|center]]

The <menuchoice>Window Matching</menuchoice> tab is used to specify the criteria '''KWin''' uses to evaluate whether the rule is applicable for a given window.

Zero (match any window) or more of the following may be specified:

* <menuchoice>Window class (application)</menuchoice> - match the class.
** <menuchoice>Match whole window class</menuchoice> - include matching the secondary class.

* <menuchoice>Window role</menuchoice> - restrict the match to the function of the window (e.g. a ''main window'', a ''chat window'', etc.)

* <menuchoice>Window types</menuchoice> - restrict the match to the type of window:  '''Normal Window''', '''Dialog Window''', etc.

* <menuchoice>Window title</menuchoice> - restrict the match to the title of the window.

* <menuchoice>Machine (hostname)</menuchoice> - restrict the match to the host name associated with the window.

{{Tip|While it's possible to manually enter the above information, the preferred method is to use the <menuchoice>Detect Window Properties</menuchoice> button.}}

For each field, the following operators can be applied against the field value:

* <menuchoice>Unimportant</menuchoice> - ignore the field.

* <menuchoice>Exact Match</menuchoice>

* <menuchoice>Substring Match</menuchoice>

{{Note|Both <menuchoice>Exact Match</menuchoice> and <menuchoice>Substring Match</menuchoice> implement case insensitive matching.  For example, ''AB'' matches the string ''AB'', ''ab'', ''Ab'' and ''aB''.}}

* <menuchoice>Regular Expression</menuchoice> - Qt's regular expressions are implemented - see [http://doc.qt.nokia.com/latest/qregexp.html pattern matching using regular expressions].
<span id="Detect_Window_Properties"></span>
===Detect Window Properties===

[[Image:kwin-detect-window.png|350px|center]]

The <menuchoice>Detect Window Properties</menuchoice> function simplifies the process of entering the matching-criteria.  

# For the application you'd like to create a rule, start the application.
# Next, in the <menuchoice>Window matching</menuchoice> tab, set the number of seconds of delay before the <menuchoice>Detect Window Properties</menuchoice> function starts.  The default is zero seconds.
# Click on <menuchoice>Detect Window Properties</menuchoice> and 
# When the mouse-cursor turns to cross-hairs, place it inside the application window (not the title bar) and left-click.
# A new window is presented with information about the selected window.  Select the desired fields:
#* '''Secondary class name''' - some applications have a secondary class name.  This value can be used to restrict windows by this value.
#* '''Window role'''
#* '''Window type'''
#* '''Window title'''

Click the <menuchoice>OK</menuchoice> button to back-fill the <menuchoice>Window Matching</menuchoice> criteria.

By using a combination of the information, a rule can apply to an entire application (by '''Class''') or a to a specific window '''Type''' within the '''Class''' - say a '''Toolbar'''.

[[Category: Desktop]]
[[Category:Tutorials]]