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local Popup = {}
--- Create a new floating window
-- @param config The configuration passed to vim.api.nvim_open_win
-- @param win_opts The options registered with vim.api.nvim_win_set_option
-- @param buf_opts The options registered with vim.api.nvim_buf_set_option
-- @return A new popup
function Popup:new(opts)
opts = opts or {}
opts.layout = opts.layout or {}
opts.win_opts = opts.win_opts or {}
opts.buf_opts = opts.buf_opts or {}
Popup.__index = Popup
local editor_layout = {
height = vim.o.lines - vim.o.cmdheight - 2, -- Add margin for status and buffer line
width = vim.o.columns,
}
local popup_layout = {
relative = "editor",
height = math.floor(editor_layout.height * 0.9),
width = math.floor(editor_layout.width * 0.8),
style = "minimal",
border = "rounded",
}
popup_layout.row = math.floor((editor_layout.height - popup_layout.height) / 2)
popup_layout.col = math.floor((editor_layout.width - popup_layout.width) / 2)
local obj = {
buffer = vim.api.nvim_create_buf(false, true),
layout = vim.tbl_deep_extend("force", popup_layout, opts.layout),
win_opts = opts.win_opts,
buf_opts = opts.buf_opts,
}
setmetatable(obj, Popup)
return obj
end
--- Display the popup with the provided content
-- @param content_provider A function accepting the popup's layout and returning the content to display
function Popup:display(content_provider)
self.win_id = vim.api.nvim_open_win(self.buffer, true, self.layout)
vim.lsp.util.close_preview_autocmd({ "BufHidden", "BufLeave" }, self.win_id)
local lines = content_provider(self.layout)
vim.api.nvim_buf_set_lines(self.bufnr, 0, -1, false, lines)
-- window options
for key, value in pairs(self.win_opts) do
vim.api.nvim_win_set_option(self.win_id, key, value)
end
-- buffer options
for key, value in pairs(self.buf_opts) do
vim.api.nvim_buf_set_option(self.buffer, key, value)
end
end
return Popup
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