04b4abb5ba
Default to not wrapping long function names etc that are too big for the window. If wrap=true is set, use some sane linebreak/breakindent/showbreak options to wrap with an indent at the current indent level of the UI tree, instead of just wrapping back to the far left side of the window.
66 lines
2.4 KiB
Lua
66 lines
2.4 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, '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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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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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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