70 lines
2.5 KiB
Lua
70 lines
2.5 KiB
Lua
local config = require 'symbols-outline.config'
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local View = {}
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function View:new()
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return setmetatable({ bufnr = nil, winnr = nil }, { __index = View })
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end
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---creates the outline window and sets it up
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function View:setup_view()
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-- create a scratch unlisted buffer
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self.bufnr = vim.api.nvim_create_buf(false, true)
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-- delete buffer when window is closed / buffer is hidden
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vim.api.nvim_buf_set_option(self.bufnr, 'bufhidden', 'delete')
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-- create a split
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vim.cmd(config.get_split_command())
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-- resize to a % of the current window size
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vim.cmd('vertical resize ' .. config.get_window_width())
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-- get current (outline) window and attach our buffer to it
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self.winnr = vim.api.nvim_get_current_win()
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vim.api.nvim_win_set_buf(self.winnr, self.bufnr)
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-- window stuff
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vim.api.nvim_win_set_option(self.winnr, 'spell', false)
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vim.api.nvim_win_set_option(self.winnr, 'signcolumn', 'no')
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vim.api.nvim_win_set_option(self.winnr, 'number', false)
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vim.api.nvim_win_set_option(self.winnr, 'relativenumber', false)
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vim.api.nvim_win_set_option(self.winnr, 'winfixwidth', true)
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vim.api.nvim_win_set_option(self.winnr, 'list', false)
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vim.api.nvim_win_set_option(self.winnr, 'wrap', config.options.wrap)
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vim.api.nvim_win_set_option(self.winnr, 'linebreak', true) -- only has effect when wrap=true
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vim.api.nvim_win_set_option(self.winnr, 'breakindent', true) -- only has effect when wrap=true
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-- Would be nice to use ui.markers.vertical as part of showbreak to keep
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-- continuity of the tree UI, but there's currently no way to style the
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-- color, apart from globally overriding hl-NonText, which will potentially
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-- mess with other theme/user settings. So just use empty spaces for now.
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vim.api.nvim_win_set_option(self.winnr, 'showbreak', ' ') -- only has effect when wrap=true.
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-- buffer stuff
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vim.api.nvim_buf_set_name(self.bufnr, 'OUTLINE')
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vim.api.nvim_buf_set_option(self.bufnr, 'filetype', 'Outline')
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vim.api.nvim_buf_set_option(self.bufnr, 'modifiable', false)
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if config.options.show_numbers or config.options.show_relative_numbers then
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vim.api.nvim_win_set_option(self.winnr, 'nu', true)
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end
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if config.options.show_relative_numbers then
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vim.api.nvim_win_set_option(self.winnr, 'rnu', true)
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end
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end
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function View:close()
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if self.winnr then
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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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function View:is_open()
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return self.winnr
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and self.bufnr
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and vim.api.nvim_buf_is_valid(self.bufnr)
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and vim.api.nvim_win_is_valid(self.winnr)
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end
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return View
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