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InputModeChange is a bit long to type and its pretty clear in Kakoune that "Mode" means "Input mode", so use a shorter and as clear name.
182 lines
5.2 KiB
Plaintext
182 lines
5.2 KiB
Plaintext
= Hooks
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== 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:
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----------------------------------------------------------------------
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hook [-group <group>] <scope> <hook_name> <filtering_regex> <commands>
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----------------------------------------------------------------------
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*scope* can be one of *global*, *buffer* or *window* (See
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<<scopes#,`:doc scopes`>>).
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*command* is a string containing the commands to execute when the hook
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is called.
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For example to automatically use line numbering with .cc files, use the
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following command:
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----------------------------------------------------
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hook global WinCreate .*\.cc %{ add-highlighter number_lines }
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----------------------------------------------------
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If *group* is given, make this hook part of the named group. Groups are used
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for removing hooks with the following command:
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-----------------------
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remove-hooks <scope> <group>
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-----------------------
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A call to the command above will remove every hooks in *scope* that are part
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of the given *group*.
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== Default hooks
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*NormalIdle*::
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a certain duration has passed since last key was pressed in normal mode
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*NormalBegin*::
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entering normal mode
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*NormalEnd*::
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leaving normal mode
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*NormalKey* `key`::
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a key is received in normal mode
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*InsertIdle*::
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a certain duration has passed since last key was pressed in insert mode
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*InsertBegin*::
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entering insert mode
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*InsertEnd*::
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leaving insert mode
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*InsertKey* `key`::
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a key is received in insert mode
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*InsertChar* `char`::
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a character is received in insert mode
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*InsertDelete* `deleted char`::
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a character is deleted in insert mode
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*InsertMove* `move key`::
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the cursor moved (without inserting) in insert mode
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*PromptIdle*::
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a certain duration has passed since last key was pressed in prompt mode
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*WinCreate* `buffer name`::
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a window was created
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*WinClose* `buffer name`::
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a window was destroyed
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*WinResize* `<line>.<column>`::
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a window was resized
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*WinDisplay* `buffer name`::
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a window was bound a client
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*WinSetOption* `<option_name>=<new_value>`::
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an option was set in a window context
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*BufSetOption* `<option_name>=<new_value>`::
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an option was set in a buffer context
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*BufNewFile* `filename`::
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a buffer for a new file has been created
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*BufOpenFile* `filename`::
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a buffer for an existing file has been created
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*BufCreate* `filename`::
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a buffer has been created
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*BufWritePre* `filename`::
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executed just before a buffer is written
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*BufWritePost* `filename`::
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executed just after a buffer is written
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*BufClose* `buffer name`::
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executed when a buffer is deleted, while it is still valid
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*BufOpenFifo* `buffer name`::
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executed when a buffer opens a fifo
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*BufReadFifo* `buffer name`::
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executed after some data has been read from a fifo and inserted in
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the buffer
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*BufCloseFifo*::
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executed when a fifo buffer closes its fifo file descriptor either
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because the buffer is being deleted or the writing end has been closed
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*RuntimeError* `error message`::
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an error was encountered while executing a user command
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*ModeChange* `<old mode>:<new mode>`::
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Triggered whenever the current input mode changes
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*KakBegin* `session name`::
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kakoune has started, this hook is called just after reading the user
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configuration files
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*KakEnd*::
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kakoune is quitting
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*FocusIn* `client name`::
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on supported clients, triggered when the client gets focused
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*FocusOut* `client name`::
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on supported clients, triggered when the client gets unfocused
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*InsertCompletionShow*::
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Triggered when the insert completion menu gets displayed
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*InsertCompletionHide*::
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Triggered when the insert completion menu gets hidden
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*InsertCompletionSelect* `selected completion`::
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Triggered when an entry is selected in the insert completion
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menu. The filtering text is the selected completion text or
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the empty string if the original text was selected back.
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*RawKey* `key`::
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Triggered whenever a key is pressed by the user
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When not specified, the filtering text is an empty string. Note that
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some hooks will not consider underlying scopes depending on what context
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they are bound to be run into, e.g. the `BufWritePost` hook is a buffer
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hook, and will not consider the `window` scope.
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While defining hook commands with a `%sh{}` block, some additional env
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vars are available:
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* `kak_hook_param`: filtering text passed to the currently executing hook
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* `kak_hook_param_capture_N`: text captured by the hook filter regex capture N
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== Disabling Hooks
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Any normal mode command can be prefixed with `\ ` which will disable hook
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execution for the duration for the command (including the duration of modes
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the command could move to, so `\i` will disable hooks for the whole insert
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session).
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As autoindentation is implemented in terms of hooks, this can be used to
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disable it when pasting text.
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A less temporary alternative is to set the `disabled_hooks` option which
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accepts a regex describing which hooks won't be executed.
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For example indentation hooks can be disabled with '.*-indent'.
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Finally, hook execution can be disabled while using the `execute-keys` or
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`evaluate-commands` commands by using the `-no-hooks` switch.
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(See <<execeval#,`:doc execeval`>>)
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