Problem: cannot complete option values
Solution: Add completion functions for several options
Add cmdline tab-completion for setting string options
Add tab-completion for setting string options on the cmdline using
`:set=` (along with `:set+=` and `:set-=`).
The existing tab completion for setting options currently only works
when nothing is typed yet, and it only fills in with the existing value,
e.g. when the user does `:set diffopt=<Tab>` it will be completed to
`set diffopt=internal,filler,closeoff` and nothing else. This isn't too
useful as a user usually wants auto-complete to suggest all the possible
values, such as 'iblank', or 'algorithm:patience'.
For set= and set+=, this adds a new optional callback function for each
option that can be invoked when doing completion. This allows for each
option to have control over how completion works. For example, in
'diffopt', it will suggest the default enumeration, but if `algorithm:`
is selected, it will further suggest different algorithm types like
'meyers' and 'patience'. When using set=, the existing option value will
be filled in as the first choice to preserve the existing behavior. When
using set+= this won't happen as it doesn't make sense.
For flag list options (e.g. 'mouse' and 'guioptions'), completion will
take into account existing typed values (and in the case of set+=, the
existing option value) to make sure it doesn't suggest duplicates.
For set-=, there is a new `ExpandSettingSubtract` function which will
handle flag list and comma-separated options smartly, by only suggesting
values that currently exist in the option.
Note that Vim has some existing code that adds special handling for
'filetype', 'syntax', and misc dir options like 'backupdir'. This change
preserves them as they already work, instead of converting to the new
callback API for each option.
closes: #13182
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>
Problem: Custom cmdline completion skips original cmdline when pressing
Ctrl-P at first match if completion function invokes glob().
Solution: Move orig_save into struct expand_T.
closes: #13216
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: no support for custom cmdline completion
Solution: Add new vimscript functions
Add the following two functions:
- getcmdcompltype() returns custom and customlist functions
- getcompletion() supports both custom and customlist
closes: #12228
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Shougo Matsushita <Shougo.Matsu@gmail.com>
Problem: Rename completion specific findex var
Solution: Move "findex" static variable to xp_selected in expand_T
closes: #12548
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: RedrawingDisabled not used consistently.
Solution: Avoid RedrawingDisabled going negative. Set RedrawingDisabled in
win_split_ins(). (closes#11961)
Problem: :runtime completion can be further improved.
Solution: Also complete the {where} argument values and adjust the
completion for that. (closes#11874)
Problem: A silent mapping may cause dots on the command line.
Solution: Don't show dots for completion if they are not going to be removed
again. (closes#11501)
Problem: Fuzzy expansion of option names is not right.
Solution: Pass the fuzzy flag down the call chain. (Christian Brabandt,
closes#10380, closes#10318)
Problem: Cannot get the current cmdline completion type and position.
Solution: Add getcmdcompltype() and getcmdscreenpos(). (Shougo Matsushita,
closes#10344)
Problem: Esc on commandline executes command instead of abandoning it.
Solution: Save and restore KeyTyped when removing the popup menu.
(closes#10154)
Problem: getcompletion() does not work properly when 'wildoptions
contains "fuzzy".
Solution: Do not use addstar(). (Yegappan Lakshmanan, closes#9992,
closes#9986)
Problem: Cannot use page-up and page-down in the command line completion
popup menu.
Solution: Check for to page-up and page-down keys. (Yegappan Lakshmanan,
closes#9960)
Problem: No command line completion for :breakadd and :breakdel.
Solution: Add completion for :breakadd and :breakdel. (Yegappan Lakshmanan,
closes#9950)
Problem: No fuzzy cmdline completion for user defined completion.
Solution: Add fuzzy completion for user defined completion. (Yegappan
Lakshmanan, closes#9858)
Problem: Fuzzy cmdline completion does not work for lower case.
Solution: Also use fuzzy completion for lower case input. (Yegappan
Lakshmanan, closes#9849)
