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support multicursor.nvim #696

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Merged
stevearc merged 2 commits into from
Dec 21, 2025
Merged

support multicursor.nvim #696

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5eb75ec
support multicursor.nvim
jake-stewart Dec 9, 2025
53ef769
lint: apply stylua
stevearc Dec 21, 2025
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59 changes: 43 additions & 16 deletions lua/oil/view.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,31 @@ local function get_first_mutable_column_col(adapter, ranges)
return min_col
end

--- @param bufnr integer
--- @param adapter oil.Adapter
--- @param mode false|"name"|"editable"
--- @param cur integer[]
--- @return integer[] | nil
local function calc_constrained_cursor_pos(bufnr, adapter, mode, cur)
local parser = require("oil.mutator.parser")
local line = vim.api.nvim_buf_get_lines(bufnr, cur[1] - 1, cur[1], true)[1]
local column_defs = columns.get_supported_columns(adapter)
local result = parser.parse_line(adapter, line, column_defs)
if result and result.ranges then
local min_col
if mode == "editable" then
min_col = get_first_mutable_column_col(adapter, result.ranges)
elseif mode == "name" then
min_col = result.ranges.name[1]
else
error(string.format('Unexpected value "%s" for option constrain_cursor', mode))
end
if cur[2] < min_col then
return { cur[1], min_col }
end
end
end

---Force cursor to be after hidden/immutable columns
---@param bufnr integer
---@param mode false|"name"|"editable"
Expand All @@ -267,28 +292,30 @@ local function constrain_cursor(bufnr, mode)
if bufnr ~= vim.api.nvim_get_current_buf() then
return
end
local parser = require("oil.mutator.parser")

local adapter = util.get_adapter(bufnr, true)
if not adapter then
return
end

local cur = vim.api.nvim_win_get_cursor(0)
local line = vim.api.nvim_buf_get_lines(bufnr, cur[1] - 1, cur[1], true)[1]
local column_defs = columns.get_supported_columns(adapter)
local result = parser.parse_line(adapter, line, column_defs)
if result and result.ranges then
local min_col
if mode == "editable" then
min_col = get_first_mutable_column_col(adapter, result.ranges)
elseif mode == "name" then
min_col = result.ranges.name[1]
else
error(string.format('Unexpected value "%s" for option constrain_cursor', mode))
end
if cur[2] < min_col then
vim.api.nvim_win_set_cursor(0, { cur[1], min_col })
local mc = package.loaded["multicursor-nvim"]
if mc then
mc.onSafeState(function()
mc.action(function(ctx)
ctx:forEachCursor(function(cursor)
local new_cur =
calc_constrained_cursor_pos(bufnr, adapter, mode, { cursor:line(), cursor:col() - 1 })
if new_cur then
cursor:setPos({ new_cur[1], new_cur[2] + 1 })
end
end)
end)
end, { once = true })
else
local cur = vim.api.nvim_win_get_cursor(0)
local new_cur = calc_constrained_cursor_pos(bufnr, adapter, mode, cur)
if new_cur then
vim.api.nvim_win_set_cursor(0, new_cur)
end
end
end
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