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feat(api): add "max_height" argument to nvim_win_text_height (#32835)

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Useful to e.g. limit the height to the window height, avoiding unnecessary
work. Or to find out how many buffer lines beyond "start_row" take up a
certain number of logical lines (returned in "end_row" and "end_vcol").
This commit is contained in:
luukvbaal
2025-04-21 13:48:26 +02:00
committed by GitHub
parent 98ec3fdf74
commit 7ba043f0f3
10 changed files with 423 additions and 185 deletions
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13
runtime/lua/vim/_meta/api.lua generated
View File

@@ -2526,9 +2526,20 @@ function vim.api.nvim_win_set_width(window, width) end
--- When omitted include the whole line.
--- - end_vcol: Ending virtual column index on "end_row",
--- 0-based exclusive, rounded up to full screen lines.
--- When omitted include the whole line.
--- When 0 only include diff filler and virtual lines above
--- "end_row". When omitted include the whole line.
--- - max_height: Don't add the height of lines below the row
--- for which this height is reached. Useful to e.g. limit the
--- height to the window height, avoiding unnecessary work. Or
--- to find out how many buffer lines beyond "start_row" take
--- up a certain number of logical lines (returned in
--- "end_row" and "end_vcol").
--- @return table<string,any> # Dict containing text height information, with these keys:
--- - all: The total number of screen lines occupied by the range.
--- - fill: The number of diff filler or virtual lines among them.
--- - end_row: The row on which the returned height is reached (first row of
--- a closed fold).
--- - end_vcol: Ending virtual column in "end_row" where "max_height" or the returned
--- height is reached. 0 if "end_row" is a closed fold.
---
function vim.api.nvim_win_text_height(window, opts) end

1
runtime/lua/vim/_meta/api_keysets.lua generated
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@@ -318,6 +318,7 @@ error('Cannot require a meta file')
--- @field end_row? integer
--- @field start_vcol? integer
--- @field end_vcol? integer
--- @field max_height? integer
--- @class vim.api.keyset.xdl_diff
--- @field on_hunk? fun(start_a: integer, count_a: integer, start_b: integer, count_b: integer): integer?

7
runtime/lua/vim/lsp/util.lua
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@@ -1649,9 +1649,10 @@ function M.open_floating_preview(contents, syntax, opts)
vim.treesitter.start(floating_bufnr)
if not opts.height then
-- Reduce window height if TS highlighter conceals code block backticks.
local conceal_height = api.nvim_win_text_height(floating_winnr, {}).all
if conceal_height < api.nvim_win_get_height(floating_winnr) then
api.nvim_win_set_height(floating_winnr, conceal_height)
local win_height = api.nvim_win_get_height(floating_winnr)
local text_height = api.nvim_win_text_height(floating_winnr, { max_height = win_height }).all
if text_height < win_height then
api.nvim_win_set_height(floating_winnr, text_height)
end
end
end