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texinode(The complist Module)(The deltochar Module)(The compctl Module)(Zsh Modules)
sect(The complist Module)
cindex(completion, listing)
The tt(complist) module offers two extensions to completion listings:
the ability to highlight matches in such a list and a different
style of menu-completion.
Whenever one of the parameters tt(ZLS_COLORS) or tt(ZLS_COLOURS) is set
and the tt(complist) module is loaded or linked into the shell,
completion lists will be colored. Note, however, that tt(complist) will
not automatically be loaded if it is not linked in: on systems with
dynamic loading, `tt(zmodload complist)' is required.
subsect(Parameters)
The parameters tt(ZLS_COLORS) and tt(ZLS_COLOURS) describe how matches
are highlighted. To turn on highlighting an empty value suffices, in
which case all the default values given below will be used. The format of the
value of these parameters is the same as used by the GNU version of the
tt(ls) command: a colon-separated list of specifications of the form
`var(name)=var(value)'. The var(name) may be one of the following strings,
most of which specify file types for which the var(value) will be used. The
strings and their default values are:
startitem()
item(tt(no 0))(
for normal text (i.e. when displaying something other than a matched file)
)
item(tt(fi 0))(
for regular files
)
item(tt(di 32))(
for directories
)
item(tt(ln 36))(
for symbolic links
)
item(tt(pi 31))(
for named pipes (FIFOs)
)
item(tt(so 33))(
for sockets
)
item(tt(bd 44;37))(
for block devices
)
item(tt(cd 44;37))(
for character devices
)
item(tt(ex 35))(
for executable files
)
item(tt(mi) var(none))(
for non-existent file (default is the value defined for tt(fi))
)
item(tt(lc \e[))(
for the left code (see below)
)
item(tt(rc m))(
for the right code
)
item(tt(ec) var(none))(
for the end code
)
enditem()
Apart from these strings, the var(name) may also be an asterisk
(`tt(*)') followed by any string. The var(value) given for such a
string will be used for all files whose name ends with the string.
When printing a match, the code prints the value of tt(lc), the value
for the file-type or the last matching specification with a `tt(*)',
the value of tt(rc), the string to display for the match itself, and
then the value of tt(ec) if that is defined or the values of tt(lc),
tt(no), and tt(rc) if tt(ec) is not defined.
The default values are ISO 6429 (ANSI) compliant and can be used on
vt100 compatible terminals such as tt(xterm)s. On monochrome terminals
the default values will have no visual effect.
subsect(Menu selection)
The tt(complist) module also offers an alternative style of selecting
matches from a list, called menu-selection, which can be used if the
shell is set up to return to the last prompt after showing a
completion list (see the tt(ALWAYS_LAST_PROMPT) option in
ifzman(zmanref(zshoptions))\
ifnzman(noderef(Options))\
). It can be invoked directly by
the widget tt(menu-select) defined by the module. Alternatively,
the parameter tt(SELECTMIN) can be set to an integer, which give the
minimum number of matches that must be present before menu selection is
automatically turned on. This second method requires that menu completion
be started, either directly from a widget such as tt(menu-complete), or due
to one of the options tt(MENU_COMPLETE) or tt(AUTO_MENU) being set. If
tt(SELECTMIN) is set, but is 0, 1 or empty, menu selection will always be
started during an ambiguous menu completion.
After menu-selection is started, the matches will be listed. The
matches to insert into the command line can be selected from this
list. In the list one match is highlighted using the value for tt(ma)
from the tt(ZLS_COLORS) or tt(ZLS_COLOURS) parameter. The default
value for this it `tt(7)' which forces the selected match to be
highlighted using standout mode on a vt100-compatible terminal. If
neither tt(ZLS_COLORS) nor tt(ZLS_COLOURS) is set, the same terminal
control sequence as for the `tt(%S)' escape in prompts is used.
Selecting matches is done by moving the mark around using the zle movement
functions. The zle functions tt(send-break) and tt(accept-line) can be used
to leave menu-selection, leaving the match currently inserted into the line
in place. In the case of tt(accept-line), the match currently inserted
will be accepted and a new completion may be attempted.
Using tt(send-break) leaves menu-selection and continues with normal
menu-completion. The functions tt(accept-and-hold) and
tt(accept-and-menu-complete) can be used to accept the match currently
inserted and continue inserting matches from the same list. The
function tt(accept-and-infer-next-history) accepts the current match and
then tries completion with menu-selection again. In the case of
files this allows one to select a directory and immediately attempt to
complete files in it. Matches inserted in one of these ways can be removed
by invoking the tt(undo) function. Keys bound to one of
the completion functions will cycle to the next (or, in case of
tt(reverse-menu-complete), the previous) match, and the tt(redisplay) and
tt(clear-screen) functions work as usual without leaving
menu-selection.
Any other zle function leaves menu-selection and executes that function.
It is possible to make widgets in the above list do the same by using the
form of the widget with a `tt(.)' in front. For example, the widget
`tt(.accept-line)' has the effect of leaving menu selection and accepting
the entire command line.
During this selection the widget uses the keymap tt(menuselect). Any
key that is not defined in this keymap or that is bound to
tt(undefined-key) is looked up in the keymap currently selected. This
is used to ensure that the most important keys used during selection
have sensible default (namely the cursor keys, return, and TAB). However,
keys in the the tt(menuselect) keymap can be modified directly using the
tt(bindkey) builtin command (see
ifzman(zmanref(zshmodules))\
ifnzman(noderef(The zle Module))\
). For example, to make the return key leave menu-selection and
continue with normal menu-completion one can call
indent(tt(bindkey -M menuselect '^M' send-break))
after loading the tt(complist) module.
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