129 lines
3.8 KiB
Lua
129 lines
3.8 KiB
Lua
-- The following is extracted and modified from plenary.vnim by
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-- TJ Devries. It is not a stable API, and is expected to change
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--
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local api = vim.api
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local function apply_defaults(original, defaults)
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if original == nil then
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original = {}
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end
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original = vim.deepcopy(original)
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for k, v in pairs(defaults) do
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if original[k] == nil then
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original[k] = v
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end
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end
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return original
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end
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local win_float = {}
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win_float.default_options = {}
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function win_float.default_opts(options)
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options = apply_defaults(options, { percentage = 0.9 })
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local width = math.floor(vim.o.columns * options.percentage)
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local height = math.floor(vim.o.lines * options.percentage)
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local top = math.floor(((vim.o.lines - height) / 2))
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local left = math.floor((vim.o.columns - width) / 2)
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local opts = {
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relative = 'editor',
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row = top,
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col = left,
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width = width,
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height = height,
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style = 'minimal',
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border = {
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{ ' ', 'NormalFloat' },
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{ ' ', 'NormalFloat' },
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{ ' ', 'NormalFloat' },
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{ ' ', 'NormalFloat' },
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{ ' ', 'NormalFloat' },
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{ ' ', 'NormalFloat' },
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{ ' ', 'NormalFloat' },
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{ ' ', 'NormalFloat' },
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},
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}
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opts.border = options.border and options.border
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return opts
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end
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--- Create window that takes up certain percentags of the current screen.
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---
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--- Works regardless of current buffers, tabs, splits, etc.
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--@param col_range number | Table:
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-- If number, then center the window taking up this percentage of the screen.
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-- If table, first index should be start, second_index should be end
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--@param row_range number | Table:
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-- If number, then center the window taking up this percentage of the screen.
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-- If table, first index should be start, second_index should be end
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function win_float.percentage_range_window(col_range, row_range, options)
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options = apply_defaults(options, win_float.default_options)
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local win_opts = win_float.default_opts(options)
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win_opts.relative = 'editor'
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local height_percentage, row_start_percentage
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if type(row_range) == 'number' then
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assert(row_range <= 1)
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assert(row_range > 0)
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height_percentage = row_range
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row_start_percentage = (1 - height_percentage) / 3
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elseif type(row_range) == 'table' then
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height_percentage = row_range[2] - row_range[1]
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row_start_percentage = row_range[1]
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else
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error(string.format("Invalid type for 'row_range': %p", row_range))
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end
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win_opts.height = math.ceil(vim.o.lines * height_percentage)
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win_opts.row = math.ceil(vim.o.lines * row_start_percentage)
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win_opts.border = options.border or 'none'
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local width_percentage, col_start_percentage
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if type(col_range) == 'number' then
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assert(col_range <= 1)
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assert(col_range > 0)
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width_percentage = col_range
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col_start_percentage = (1 - width_percentage) / 2
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elseif type(col_range) == 'table' then
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width_percentage = col_range[2] - col_range[1]
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col_start_percentage = col_range[1]
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else
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error(string.format("Invalid type for 'col_range': %p", col_range))
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end
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win_opts.col = math.floor(vim.o.columns * col_start_percentage)
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win_opts.width = math.floor(vim.o.columns * width_percentage)
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local bufnr = options.bufnr or api.nvim_create_buf(false, true)
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local win_id = api.nvim_open_win(bufnr, true, win_opts)
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api.nvim_win_set_option(win_id, 'winhl', 'FloatBorder:LspInfoBorder')
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for k, v in pairs(win_float.default_options) do
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if k ~= 'border' then
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vim.opt_local[k] = v
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end
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end
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api.nvim_win_set_buf(win_id, bufnr)
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api.nvim_win_set_option(win_id, 'cursorcolumn', false)
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api.nvim_buf_set_option(bufnr, 'tabstop', 2)
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api.nvim_buf_set_option(bufnr, 'shiftwidth', 2)
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return {
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bufnr = bufnr,
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win_id = win_id,
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}
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end
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return win_float
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