kakoune/doc/manpages/hooks.asciidoc

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KAKOUNE(1)
==========
NAME
----
hooks - a
Description
-----------
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Commands can be registered to be executed when certain events arise. To
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register a hook use the following command:
----------------------------------------------------------------------
hook [-group <group>] <scope> <hook_name> <filtering_regex> <commands>
----------------------------------------------------------------------
*scope* can be one of *global*, *buffer* or *window*.
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*command* is a string containing the commands to execute when the hook
is called.
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For example to automatically use line numbering with .cc files, use the
following command:
----------------------------------------------------
hook global WinCreate .*\.cc %{ addhl number_lines }
----------------------------------------------------
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if *group* is given, make this hook part of the named group. Groups are used
for removing hooks with the following command:
-----------------------
rmhooks <scope> <group>
-----------------------
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A call to the command above will remove every hooks in *scope* that are part
of the given *group*.
Default hooks
-------------
*NormalIdle*::
a certain duration has passed since last key was pressed in normal mode
*NormalBegin*::
entering normal mode
*NormalEnd*::
leaving normal mode
*NormalKey*::
a key is received in normal mode, the key is used for filtering
*InsertIdle*::
a certain duration has passed since last key was pressed in insert mode
*InsertBegin*::
entering insert mode
*InsertEnd*::
leaving insert mode
*InsertKey*::
a key is received in insert mode, the key is used for filtering
*InsertMove*::
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the cursor moved (without inserting) in insert mode, the key that
triggered the move is used for filtering
*WinCreate*::
a window was created, the filtering text is the buffer name
*WinClose*::
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a window was destroyed, the filtering text is the buffer name
*WinDisplay*::
a window was bound a client, the filtering text is the buffer name
*WinSetOption*::
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an option was set in a window context, the filtering text is
*<option_name>=<new_value>*
*BufSetOption*::
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an option was set in a buffer context, the filtering text is
*<option_name>=<new_value>*
*BufNew*::
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a buffer for a new file has been created, filename is used for
filtering
*BufOpen*::
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a buffer for an existing file has been created, filename is used
for filtering
*BufCreate*::
a buffer has been created, filename is used for filtering
*BufWritePre*::
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executed just before a buffer is written, filename is used for
filtering
*BufWritePost*::
executed just after a buffer is written, filename is used for filtering
*BufClose*::
executed when a buffer is deleted, while it is still valid
*BufOpenFifo*::
executed when a buffer opens a fifo
*BufReadFifo*::
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executed after some data has been red from a fifo and inserted in
the buffer
*BufCloseFifo*::
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executed when a fifo buffer closes its fifo file descriptor either
because the buffer is being deleted,
or because the writing end has been closed
*RuntimeError*::
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an error was encountered while executing an user command the error
message is used for filtering
*KakBegin*::
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kakoune has started, this hook is called just after reading the user
configuration files
*KakEnd*::
kakoune is quitting
*FocusIn*::
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on supported clients, triggered when the client gets focused. the
filtering text is the client name
*FocusOut*::
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on supported clients, triggered when the client gets unfocused. the
filtering text is the client name
When not specified, the filtering text is an empty string.