9b289abd69
* Revert "feat(#2826): allow only one window with nvim-tree buffer per tab (#3174)" This reverts commitdd2364d680. * Revert "refactor(#2826): View tracks winids and bufnrs via events, unused for now (#3170)" This reverts commit65bae44922. * Revert "refactor(#2826): remove view debug/cc, enable new codepaths for get_winid and get_bufnr (#3169)" This reverts commita9156c0139.
129 lines
4.2 KiB
Lua
129 lines
4.2 KiB
Lua
local log = require("nvim-tree.log")
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local events = require("nvim-tree.events")
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local Class = require("nvim-tree.classic")
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local Builder = require("nvim-tree.renderer.builder")
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local SIGN_GROUP = "NvimTreeRendererSigns"
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local namespace_highlights_id = vim.api.nvim_create_namespace("NvimTreeHighlights")
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local namespace_extmarks_id = vim.api.nvim_create_namespace("NvimTreeExtmarks")
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local namespace_virtual_lines_id = vim.api.nvim_create_namespace("NvimTreeVirtualLines")
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---@alias HighlightRangeArgs { higroup:string, start:integer[], finish:integer[] } named arguments for vim.hl.range
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---@class (exact) Renderer: Class
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---@field explorer Explorer
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local Renderer = Class:extend()
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---@class Renderer
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---@overload fun(args: RendererArgs): Renderer
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---@class (exact) RendererArgs
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---@field explorer Explorer
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---@protected
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---@param args RendererArgs
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function Renderer:new(args)
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args.explorer:log_new("Renderer")
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self.explorer = args.explorer
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end
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function Renderer:destroy()
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self.explorer:log_destroy("Renderer")
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end
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---@private
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---@param bufnr number
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---@param lines string[]
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---@param hl_range_args HighlightRangeArgs[]
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---@param signs string[]
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---@param extmarks table[] extra marks for right icon placement
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---@param virtual_lines table[] virtual lines for hidden count display
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function Renderer:_draw(bufnr, lines, hl_range_args, signs, extmarks, virtual_lines)
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if vim.fn.has("nvim-0.10") == 1 then
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vim.api.nvim_set_option_value("modifiable", true, { buf = bufnr })
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else
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vim.api.nvim_buf_set_option(bufnr, "modifiable", true) ---@diagnostic disable-line: deprecated
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end
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vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines)
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self:render_hl(bufnr, hl_range_args)
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if vim.fn.has("nvim-0.10") == 1 then
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vim.api.nvim_set_option_value("modifiable", false, { buf = bufnr })
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else
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vim.api.nvim_buf_set_option(bufnr, "modifiable", false) ---@diagnostic disable-line: deprecated
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end
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vim.fn.sign_unplace(SIGN_GROUP)
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for i, sign_name in pairs(signs) do
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vim.fn.sign_place(0, SIGN_GROUP, sign_name, bufnr, { lnum = i + 1 })
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end
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vim.api.nvim_buf_clear_namespace(bufnr, namespace_extmarks_id, 0, -1)
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for i, extname in pairs(extmarks) do
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for _, mark in ipairs(extname) do
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vim.api.nvim_buf_set_extmark(bufnr, namespace_extmarks_id, i, -1, {
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virt_text = { { mark.str, mark.hl } },
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virt_text_pos = "right_align",
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hl_mode = "combine",
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})
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end
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end
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vim.api.nvim_buf_clear_namespace(bufnr, namespace_virtual_lines_id, 0, -1)
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for line_nr, vlines in pairs(virtual_lines) do
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vim.api.nvim_buf_set_extmark(bufnr, namespace_virtual_lines_id, line_nr, 0, {
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virt_lines = vlines,
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virt_lines_above = false,
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virt_lines_leftcol = true,
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})
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end
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end
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---@private
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---@param bufnr integer
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---@param hl_range_args HighlightRangeArgs[]
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function Renderer:render_hl(bufnr, hl_range_args)
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if not bufnr or not vim.api.nvim_buf_is_loaded(bufnr) then
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return
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end
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vim.api.nvim_buf_clear_namespace(bufnr, namespace_highlights_id, 0, -1)
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for _, args in ipairs(hl_range_args) do
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if vim.fn.has("nvim-0.11") == 1 and vim.hl and vim.hl.range then
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vim.hl.range(bufnr, namespace_highlights_id, args.higroup, args.start, args.finish, {})
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else
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vim.api.nvim_buf_add_highlight(bufnr, namespace_highlights_id, args.higroup, args.start[1], args.start[2], args.finish[2]) ---@diagnostic disable-line: deprecated
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end
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end
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end
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function Renderer:draw()
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local bufnr = self.explorer.view:get_bufnr("Renderer:draw")
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if not bufnr or not vim.api.nvim_buf_is_loaded(bufnr) then
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return
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end
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local profile = log.profile_start("draw")
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local cursor = vim.api.nvim_win_get_cursor(self.explorer.view:get_winnr(nil, "Renderer:draw1") or 0)
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local builder = Builder(self.explorer):build()
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self:_draw(bufnr, builder.lines, builder.hl_range_args, builder.signs, builder.extmarks, builder.virtual_lines)
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if cursor and #builder.lines >= cursor[1] then
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vim.api.nvim_win_set_cursor(self.explorer.view:get_winnr(nil, "Renderer:draw2") or 0, cursor)
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end
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self.explorer.view:grow_from_content()
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log.profile_end(profile)
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events._dispatch_on_tree_rendered(bufnr, self.explorer.view:get_winnr(nil, "Renderer:draw3"))
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end
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return Renderer
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