90 lines
3.1 KiB
Lua
90 lines
3.1 KiB
Lua
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local api = vim.api
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--- open floating window with nice borders
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local function open_floating_window()
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local floating_window_scaling_factor = vim.g.ranger_floating_window_scaling_factor
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-- Why is this required?
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-- vim.g.ranger_floating_window_scaling_factor returns different types if the value is an integer or float
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if type(floating_window_scaling_factor) == "table" then
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floating_window_scaling_factor = floating_window_scaling_factor[false]
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end
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local status, plenary = pcall(require, "plenary.window.float")
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if
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status
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and vim.g.ranger_floating_window_use_plenary
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and vim.g.ranger_floating_window_use_plenary ~= 0
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then
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plenary.percentage_range_window(floating_window_scaling_factor, floating_window_scaling_factor)
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return
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end
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local height = math.ceil(vim.o.lines * floating_window_scaling_factor) - 1
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local width = math.ceil(vim.o.columns * floating_window_scaling_factor)
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local row = math.ceil(vim.o.lines - height) / 2
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local col = math.ceil(vim.o.columns - width) / 2
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local border_opts = {
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style = "minimal",
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relative = "editor",
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row = row - 1,
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col = col - 1,
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width = width + 2,
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height = height + 2,
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}
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local opts =
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{ style = "minimal", relative = "editor", row = row, col = col, width = width, height = height }
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local topleft, topright, botleft, botright
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local corner_chars = vim.g.ranger_floating_window_corner_chars
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if type(corner_chars) == "table" and #corner_chars == 4 then
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topleft, topright, botleft, botright = unpack(corner_chars)
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else
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topleft, topright, botleft, botright = "╭", "╮", "╰", "╯"
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end
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local border_lines = { topleft .. string.rep("─", width) .. topright }
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local middle_line = "│" .. string.rep(" ", width) .. "│"
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for i = 1, height do
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table.insert(border_lines, middle_line)
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end
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table.insert(border_lines, botleft .. string.rep("─", width) .. botright)
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-- create a unlisted scratch buffer for the border
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local border_buffer = api.nvim_create_buf(false, true)
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-- set border_lines in the border buffer from start 0 to end -1 and strict_indexing false
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api.nvim_buf_set_lines(border_buffer, 0, -1, true, border_lines)
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-- create border window
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local border_window = api.nvim_open_win(border_buffer, true, border_opts)
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vim.cmd "set winhl=Normal:Floating"
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-- create a unlisted scratch buffer
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if RANGER_BUFFER == nil or vim.fn.bufwinnr(RANGER_BUFFER) == -1 then
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RANGER_BUFFER = api.nvim_create_buf(false, true)
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else
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RANGER_LOADED = true
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end
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-- create file window, enter the window, and use the options defined in opts
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local _ = api.nvim_open_win(RANGER_BUFFER, true, opts)
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vim.bo[RANGER_BUFFER].filetype = "ranger"
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vim.cmd "setlocal bufhidden=hide"
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vim.cmd "setlocal nocursorcolumn"
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vim.cmd("set winblend=" .. vim.g.ranger_floating_window_winblend)
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-- use autocommand to ensure that the border_buffer closes at the same time as the main buffer
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local cmd = [[autocmd WinLeave <buffer> silent! execute 'hide']]
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vim.cmd(cmd)
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cmd = [[autocmd WinLeave <buffer> silent! execute 'silent bdelete! %s']]
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vim.cmd(cmd:format(border_buffer))
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end
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return {
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open_floating_window = open_floating_window,
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}
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