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authorzeertzjq <zeertzjq@outlook.com>2023-11-09 20:42:55 +0800
committerzeertzjq <zeertzjq@outlook.com>2023-11-09 21:34:04 +0800
commit04d299c17014b0802c79613252e4de26da84a7c9 (patch)
tree8a17cad14b298c4f62c793da95c6d59924e82b84 /src
parentf748a73a357710db6094d4a428cd056f5df226a9 (diff)
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vim-patch:8.2.4932: not easy to filter the output of maplist()
Problem: Not easy to filter the output of maplist(). Solution: Add mode_bits to the dictionary. (Ernie Rael, closes vim/vim#10356) https://github.com/vim/vim/commit/d8f5f766219273a8579947cc80b92580b6988a4b Co-authored-by: Ernie Rael <errael@raelity.com>
Diffstat (limited to 'src')
-rw-r--r--src/nvim/eval.lua25
-rw-r--r--src/nvim/mapping.c1
2 files changed, 26 insertions, 0 deletions
diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua
index d65b584faa..a2ba0f0189 100644
--- a/src/nvim/eval.lua
+++ b/src/nvim/eval.lua
@@ -6195,6 +6195,11 @@ M.funcs = {
"nowait" Do not wait for other, longer mappings.
(|:map-<nowait>|).
"abbr" True if this is an |abbreviation|.
+ "mode_bits" Nvim's internal binary representation of "mode".
+ |mapset()| ignores this; only "mode" is used.
+ See |maplist()| for usage examples. The values
+ are from src/nvim/vim.h and may change in the
+ future.
The dictionary can be used to restore a mapping with
|mapset()|.
@@ -6269,6 +6274,26 @@ M.funcs = {
echo maplist()->filter({_, m ->
\ match(get(m, 'rhs', ''), 'MultiMatch') >= 0
\ })
+ <It can be tricky to find mappings for particular |:map-modes|.
+ |mapping-dict|'s "mode_bits" can simplify this. For example,
+ the mode_bits for Normal, Insert or Command-line modes are
+ 0x19. To find all the mappings available in those modes you
+ can do: >vim
+ let saved_maps = []
+ for m in maplist()
+ if and(m.mode_bits, 0x19) != 0
+ eval saved_maps->add(m)
+ endif
+ endfor
+ echo saved_maps->mapnew({_, m -> m.lhs})
+ <The values of the mode_bits are defined in Nvim's
+ src/nvim/vim.h file and they can be discovered at runtime
+ using |:map-commands| and "maplist()". Example: >vim
+ omap xyzzy <Nop>
+ let op_bit = maplist()->filter(
+ \ {_, m -> m.lhs == 'xyzzy'})[0].mode_bits
+ ounmap xyzzy
+ echo printf("Operator-pending mode bit: 0x%x", op_bit)
]],
name = 'maplist',
params = {},
diff --git a/src/nvim/mapping.c b/src/nvim/mapping.c
index c90c0c5529..2ee1e2e02d 100644
--- a/src/nvim/mapping.c
+++ b/src/nvim/mapping.c
@@ -2125,6 +2125,7 @@ static Dictionary mapblock_fill_dict(const mapblock_T *const mp, const char *lhs
}
PUT(dict, "mode", CSTR_AS_OBJ(mapmode));
PUT(dict, "abbr", INTEGER_OBJ(abbr ? 1 : 0));
+ PUT(dict, "mode_bits", INTEGER_OBJ(mp->m_mode));
return dict;
}