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Problem: GTK code can be improved
Solution: Improve GTK code for initial Wayland support
(lilydjwg)
related: #9639
Signed-off-by: lilydjwg <lilydjwg@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
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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>
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Problem: Functions without arguments are not always declared properly.
Solution: Use "(void)" instead of "()". (Yegappan Lakshmanan, closes #12031)
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Problem: Handling new value of an option has a long "else if" chain.
Solution: Use a function pointer. (Yegappan Lakshmanan, closes #12015)
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Problem: Redraw flags are not named specifically.
Solution: Prefix "UPD_" to the flags, for UPDate_screen().
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Problem: The mode #defines are not clearly named.
Solution: Prepend MODE_. Renumber them to put the mapped modes first.
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Problem: The Athena GUI support is outdated.
Solution: Remove the Athena GUI code.
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Problem: Some type casts are redundant.
Solution: Remove the type casts. (closes #9643)
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Problem: Various code not used when features are disabled.
Solution: Add #ifdefs. (Dominique Pellé, closes #9491)
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Problem: Error messages are spread out.
Solution: Move more errors to errors.h.
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Problem: Various spelling mistakes in comments.
Solution: Fix the mistakes. (Dominique Pellé, closes #9416)
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Problem: Crash when going through spell suggestions.
Solution: Limit the text length for finding suggestions to the original
length. Do not update buffers when exiting. (closes #8965)
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Problem: When 'clipboard' is "unnamed" zp and zP do not work correctly.
Solution: Pass -1 to str_to_reg() and fix computing the character width
instead of using the byte length. (Christian Brabandt,
closes #8301, closes #8317)
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Problem: List of distributed files is outdated.
Solution: Update the file list. Minor comment updates.
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Problem: Getting the selection may trigger TextYankPost autocmd.
Solution: Only trigger the autocommand when yanking in Vim, not for getting
the selection. (closes #7367)
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Problem: When using :global clipboard isn't set correctly.
Solution: Set "clip_unnamed_saved" instead of "clip_unnamed". (Christian
Brabandt, closes #6203, closes #6198)
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Problem: Clearing a struct is verbose.
Solution: Define and use CLEAR_FIELD() and CLEAR_POINTER().
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Problem: Clipboard code is spread out.
Solution: Move clipboard code to its own file. (Yegappan Lakshmanan,
closes #5827)
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