83 lines
2.4 KiB
Lua
83 lines
2.4 KiB
Lua
local M = {}
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---@param win integer
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---@return boolean
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local function has_border(win)
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local b = vim.api.nvim_win_get_config(win).border
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if not b or b == "none" or b == "" then
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return false
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end
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if type(b) == "table" and #b == 0 then
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return false
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end
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return true
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end
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---@param lines string[]
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---@param opts? { min_width?: integer, padding?: integer }
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---@return integer width
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---@return integer height
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function M.size_for(lines, opts)
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opts = opts or {}
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local width = 1
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for _, l in ipairs(lines) do
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local w = vim.api.nvim_strwidth(l)
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if w > width then
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width = w
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end
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end
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width = math.min(
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math.max(width + (opts.padding or 1), opts.min_width or 30),
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100,
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vim.o.columns - 4
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)
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local height =
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math.min(math.max(#lines, 1), 20, math.floor(vim.o.lines / 2))
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return width, height
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end
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---@param pbuf integer
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---@param win integer
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---@param ns integer
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function M.paint_overflow(pbuf, win, ns)
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vim.schedule(function()
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if
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not vim.api.nvim_buf_is_valid(pbuf)
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or not vim.api.nvim_win_is_valid(win)
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then
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return
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end
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vim.api.nvim_buf_clear_namespace(pbuf, ns, 0, -1)
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local total = vim.api.nvim_buf_line_count(pbuf)
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local top, bottom = unpack(vim.api.nvim_win_call(win, function()
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return { vim.fn.line("w0"), vim.fn.line("w$") }
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end)) ---@cast top integer
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---@cast bottom integer
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local needs_top = top > 1
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local needs_bottom = bottom < total
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if has_border(win) then
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pcall(vim.api.nvim_win_set_config, win, {
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title = needs_top and { { "▲ ", "FloatBorder" } } or "",
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title_pos = needs_top and "right" or nil,
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footer = needs_bottom and { { "▼ ", "FloatBorder" } } or "",
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footer_pos = needs_bottom and "right" or nil,
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})
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return
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end
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if needs_top then
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pcall(vim.api.nvim_buf_set_extmark, pbuf, ns, top - 1, 0, {
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virt_text = { { "▲ ", "GitPopupEnd" } },
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virt_text_pos = "right_align",
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})
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end
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if needs_bottom then
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pcall(vim.api.nvim_buf_set_extmark, pbuf, ns, bottom - 1, 0, {
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virt_text = { { "▼ ", "GitPopupEnd" } },
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virt_text_pos = "right_align",
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})
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end
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end)
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end
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return M
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