106 lines
2.6 KiB
Lua
106 lines
2.6 KiB
Lua
---@class outline.Float
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local Float = {}
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---@class outline.Float
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---@field bufnr integer
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---@field winnr integer
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---@field ns integer
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function Float:new()
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return setmetatable({ bufnr = nil, winnr = nil, ns = nil }, { __index = Float })
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end
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---Set up a floating window with OutlineHelp ft
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---@param lines string[]
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---@param hl outline.HL[]
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---@param title string
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---@param indent integer?
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function Float:open(lines, hl, title, indent)
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indent = indent or 0
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self.bufnr = vim.api.nvim_create_buf(false, true)
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vim.api.nvim_set_option_value('bufhidden', 'delete', { buf = self.bufnr })
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local maxwidth = 0
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for _, l in ipairs(lines) do
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if #l > maxwidth then
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maxwidth = #l
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end
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end
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local ui = vim.api.nvim_list_uis()[1]
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local nvim_height, nvim_width = ui.height, ui.width
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local padding_w = 3
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local height, width = math.min(nvim_height, #lines + 1), maxwidth + 2 * padding_w
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local row = math.floor((nvim_height - height) / 2)
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local col = math.floor((nvim_width - width) / 2)
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local opts = {
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relative = 'editor',
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width = width,
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height = height,
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row = row,
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col = col,
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border = 'rounded',
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style = 'minimal',
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}
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if _G._outline_nvim_has[9] then
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opts.title = title
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opts.title_pos = 'center'
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end
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self.winnr = vim.api.nvim_open_win(self.bufnr, true, opts)
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if indent > 0 then
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local pad = string.rep(' ', indent)
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for i = 1, #lines do
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lines[i] = pad .. lines[i]
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end
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end
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vim.api.nvim_set_option_value('winfixwidth', true, { win = self.winnr })
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vim.api.nvim_buf_set_lines(self.bufnr, 0, -1, false, lines)
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vim.api.nvim_set_option_value('modifiable', false, { buf = self.bufnr })
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vim.api.nvim_set_option_value('ft', 'OutlineHelp', { buf = self.bufnr })
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if hl then
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self.ns = vim.api.nvim_create_namespace('OutlineHelp')
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for _, h in ipairs(hl) do
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if _G._outline_nvim_has[11] then
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vim.hl.range(
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self.bufnr,
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self.ns,
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h.name,
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{ h.line, h.from + indent },
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{ h.line, (h.to ~= -1 and h.to + indent) or -1 }
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)
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else
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---@diagnostic disable-next-line:deprecated
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vim.api.nvim_buf_add_highlight(
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self.bufnr,
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self.ns,
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h.name,
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h.line,
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h.from + indent,
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(h.to ~= -1 and h.to + indent) or -1
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)
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end
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end
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end
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end
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function Float:close()
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if self.winnr then
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if self.ns then
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vim.api.nvim_buf_clear_namespace(self.bufnr, self.ns, 0, -1)
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end
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vim.api.nvim_win_close(self.winnr, true)
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self.winnr = nil
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self.bufnr = nil
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end
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end
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return Float
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