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feat(lsp): improve control over placement of floating windows (#24494)

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This commit is contained in:
Grace Petryk
2023-09-10 01:02:23 -07:00
committed by GitHub
parent bb38c066a9
commit 5e3cf9fb4b
5 changed files with 136 additions and 8 deletions
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24
runtime/lua/vim/lsp/util.lua
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@@ -1087,6 +1087,12 @@ end
--- - focusable (string or table) override `focusable`
--- - zindex (string or table) override `zindex`, defaults to 50
--- - relative ("mouse"|"cursor") defaults to "cursor"
--- - anchor_bias ("auto"|"above"|"below") defaults to "auto"
--- - "auto": place window based on which side of the cursor has more lines
--- - "above": place the window above the cursor unless there are not enough lines
--- to display the full window height.
--- - "below": place the window below the cursor unless there are not enough lines
--- to display the full window height.
---@return table Options
function M.make_floating_popup_options(width, height, opts)
validate({
@@ -1105,7 +1111,20 @@ function M.make_floating_popup_options(width, height, opts)
or vim.fn.winline() - 1
local lines_below = vim.fn.winheight(0) - lines_above
if lines_above < lines_below then
local anchor_bias = opts.anchor_bias or 'auto'
local anchor_below
if anchor_bias == 'below' then
anchor_below = (lines_below > lines_above) or (height <= lines_below)
elseif anchor_bias == 'above' then
local anchor_above = (lines_above > lines_below) or (height <= lines_above)
anchor_below = not anchor_above
else
anchor_below = lines_below > lines_above
end
if anchor_below then
anchor = anchor .. 'N'
height = math.min(lines_below, height)
row = 1
@@ -1635,7 +1654,8 @@ end
---
---@param contents table of lines to show in window
---@param syntax string of syntax to set for opened buffer
---@param opts table with optional fields (additional keys are passed on to |nvim_open_win()|)
---@param opts table with optional fields (additional keys are filtered with |vim.lsp.util.make_floating_popup_options()|
--- before they are passed on to |nvim_open_win()|)
--- - height: (integer) height of floating window
--- - width: (integer) width of floating window
--- - wrap: (boolean, default true) wrap long lines