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Copy pathoutput_window.lua
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797 lines (686 loc) · 24.8 KB
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local state = require('opencode.state')
local config = require('opencode.config')
local window_options = require('opencode.ui.window_options')
local float_layout = require('opencode.ui.float_layout')
local M = {}
M.namespace = vim.api.nvim_create_namespace('opencode_output')
M.debug_namespace = vim.api.nvim_create_namespace('opencode_output_debug')
M.markdown_namespace = vim.api.nvim_create_namespace('opencode_output_markdown')
M._last_visible_bottom_by_win = {}
M._was_at_bottom_by_win = {}
M._prev_line_count_by_win = {}
local OUTPUT_FOLD_FILLCHARS = {
fold = '-',
foldclose = '+',
foldopen = '-',
foldsep = '│',
}
local function build_fold_state(folds)
local fold_state = {
ranges = {},
}
for _, range in ipairs(folds or {}) do
if range.from and range.to then
fold_state.ranges[#fold_state.ranges + 1] = {
from = range.from,
to = range.to,
}
end
end
table.sort(fold_state.ranges, function(a, b)
return a.from < b.from
end)
return fold_state
end
---@param buf integer
---@return { ranges: table<{from: integer, to: integer}> }
local function get_fold_state(buf)
local ok, fold_state = pcall(vim.api.nvim_buf_get_var, buf, 'opencode_folds')
if not ok or type(fold_state) ~= 'table' then
return { ranges = {} }
end
if type(fold_state.ranges) == 'table' then
return fold_state
end
return build_fold_state(fold_state)
end
local _update_depth = 0
local _update_buf = nil
---Begin a batch of buffer writes — toggle modifiable once for the whole batch.
---Returns true if the batch was opened (buffer is valid). Must be paired with end_update().
---@return boolean
function M.begin_update()
local windows = state.windows
if not windows or not windows.output_buf then
return false
end
if _update_depth == 0 then
_update_buf = windows.output_buf
vim.api.nvim_set_option_value('modifiable', true, { buf = _update_buf })
end
_update_depth = _update_depth + 1
return true
end
---End a batch started by begin_update().
function M.end_update()
if _update_depth == 0 then
return
end
_update_depth = _update_depth - 1
if _update_depth == 0 and _update_buf then
pcall(vim.api.nvim_set_option_value, 'modifiable', false, { buf = _update_buf })
_update_buf = nil
end
end
---@return integer
function M.create_buf()
local output_buf = vim.api.nvim_create_buf(false, true)
local filetype = config.ui.output.filetype or 'opencode_output'
vim.api.nvim_set_option_value('filetype', filetype, { buf = output_buf })
vim.api.nvim_buf_set_var(output_buf, 'opencode_folds', build_fold_state({}))
local buffixwin = require('opencode.ui.buf_fix_win')
buffixwin.fix_to_win(output_buf, function()
return state.windows and state.windows.output_win
end)
return output_buf
end
---@return vim.api.keyset.win_config
function M._build_output_win_config()
return {
relative = 'editor',
width = config.ui.window_width or 80,
row = 2,
col = 2,
style = 'minimal',
border = 'rounded',
zindex = 40,
}
end
---@param windows OpencodeWindowState?
function M.mounted(windows)
windows = windows or state.windows
return windows
and windows.output_buf
and windows.output_win
and vim.api.nvim_win_is_valid(windows.output_win)
and vim.api.nvim_buf_is_valid(windows.output_buf)
and vim.api.nvim_win_get_buf(windows.output_win) == windows.output_buf
end
---Check if the cursor in the output window is at (or was at) the bottom of
---the buffer, using the same logic as the original implementation.
---Returns true if the window should continue auto-scrolling.
---@param win? integer Window ID, defaults to state.windows.output_win
---@return boolean
function M.is_at_bottom(win)
if config.ui.output.always_scroll_to_bottom then
return true
end
win = win or (state.windows and state.windows.output_win)
if not win or not vim.api.nvim_win_is_valid(win) then
return true
end
if not state.windows or not state.windows.output_buf then
return true
end
local ok, line_count = pcall(vim.api.nvim_buf_line_count, state.windows.output_buf)
if not ok or not line_count or line_count == 0 then
return true
end
local effective_bottom = M.get_effective_bottom_line(state.windows.output_buf, line_count)
local ok2, cursor = pcall(vim.api.nvim_win_get_cursor, win)
if not ok2 then
return true
end
local prev_line_count = M._prev_line_count_by_win[win] or line_count
local prev_effective_bottom = M.get_effective_bottom_line(state.windows.output_buf, prev_line_count)
return cursor[1] >= prev_effective_bottom or cursor[1] >= effective_bottom
end
---@param buf integer
---@param line_count? integer
---@return integer
function M.get_effective_bottom_line(buf, line_count)
if not buf or not vim.api.nvim_buf_is_valid(buf) then
return 0
end
line_count = line_count or vim.api.nvim_buf_line_count(buf)
if not line_count or line_count <= 0 then
return 0
end
local last_line = vim.api.nvim_buf_get_lines(buf, line_count - 1, line_count, false)[1]
if line_count > 1 and last_line == '' then
return line_count - 1
end
return line_count
end
---@param win? integer
---@return integer|nil
function M.get_visible_bottom_line(win)
win = win or (state.windows and state.windows.output_win)
if not win or not vim.api.nvim_win_is_valid(win) then
return nil
end
local ok, line = pcall(vim.fn.line, 'w$', win)
return (ok and line and line > 0) and line or nil
end
---@param win? integer
---@return integer|nil
function M.get_visible_top_line(win)
win = win or (state.windows and state.windows.output_win)
if not win or not vim.api.nvim_win_is_valid(win) then
return nil
end
local ok, line = pcall(vim.fn.line, 'w0', win)
return (ok and line and line > 0) and line or nil
end
---@param win? integer
function M.reset_scroll_tracking(win)
if win then
M._last_visible_bottom_by_win[win] = nil
M._was_at_bottom_by_win[win] = nil
M._prev_line_count_by_win[win] = nil
return
end
M._last_visible_bottom_by_win = {}
M._was_at_bottom_by_win = {}
M._prev_line_count_by_win = {}
end
---@param win? integer
function M.sync_cursor_with_viewport(win)
win = win or (state.windows and state.windows.output_win)
if not win or not vim.api.nvim_win_is_valid(win) then
return
end
local windows = state.windows
local buf = windows and windows.output_buf
if not buf or not vim.api.nvim_buf_is_valid(buf) or vim.api.nvim_win_get_buf(win) ~= buf then
M.reset_scroll_tracking(win)
return
end
local ok, line_count = pcall(vim.api.nvim_buf_line_count, buf)
local visible_bottom = M.get_visible_bottom_line(win)
if not ok or not line_count or line_count == 0 or not visible_bottom then
return
end
M._last_visible_bottom_by_win[win] = visible_bottom
end
---@param windows OpencodeWindowState
function M.setup(windows)
window_options.set_window_option(
'winhighlight',
config.ui.window_highlight,
windows.output_win,
{ save_original = true }
)
window_options.set_window_option('wrap', true, windows.output_win, { save_original = true })
window_options.set_window_option('linebreak', true, windows.output_win, { save_original = true })
pcall(window_options.set_window_option, 'smoothscroll', true, windows.output_win, { save_original = true })
window_options.set_window_option('cursorline', false, windows.output_win, { save_original = true })
window_options.set_window_option('number', false, windows.output_win, { save_original = true })
window_options.set_window_option('relativenumber', false, windows.output_win, { save_original = true })
window_options.set_buffer_option('modifiable', false, windows.output_buf)
window_options.set_buffer_option('buftype', 'nofile', windows.output_buf)
window_options.set_buffer_option('bufhidden', 'hide', windows.output_buf)
window_options.set_buffer_option('buflisted', false, windows.output_buf)
window_options.set_buffer_option('swapfile', false, windows.output_buf)
window_options.set_buffer_option('undofile', false, windows.output_buf)
window_options.set_buffer_option('undolevels', -1, windows.output_buf)
window_options.set_window_option('foldmethod', 'manual', windows.output_win)
window_options.set_window_option('foldenable', true, windows.output_win)
window_options.set_window_option('foldlevel', 0, windows.output_win)
window_options.set_window_option('foldcolumn', '1', windows.output_win)
window_options.set_window_option(
'fillchars',
vim.api.nvim_get_option_value('fillchars', { win = windows.output_win }),
windows.output_win,
{ save_original = true }
)
vim.api.nvim_win_call(windows.output_win, function()
vim.opt_local.fillchars:append(OUTPUT_FOLD_FILLCHARS)
end)
window_options.set_window_option('foldtext', 'v:lua.opencode_fold_text()', windows.output_win)
if config.ui.position ~= 'current' then
window_options.set_window_option('winfixbuf', true, windows.output_win, { save_original = true })
end
window_options.set_window_option('winfixheight', true, windows.output_win, { save_original = true })
window_options.set_window_option('winfixwidth', true, windows.output_win, { save_original = true })
window_options.set_window_option('signcolumn', 'yes', windows.output_win, { save_original = true })
window_options.set_window_option('list', false, windows.output_win, { save_original = true })
window_options.set_window_option('statuscolumn', '', windows.output_win, { save_original = true })
window_options.set_window_option('colorcolumn', '', windows.output_win, { save_original = true })
M.update_dimensions(windows)
M.reset_scroll_tracking(windows.output_win)
M._last_visible_bottom_by_win[windows.output_win] = M.get_visible_bottom_line(windows.output_win)
M.setup_keymaps(windows)
end
---@param windows OpencodeWindowState?
function M.update_dimensions(windows)
if config.ui.position == 'current' then
return
end
if not windows or not windows.output_win or not vim.api.nvim_win_is_valid(windows.output_win) then
return
end
if config.ui.position == 'float' then
float_layout.update(windows, windows.input_win ~= nil and vim.api.nvim_win_is_valid(windows.input_win))
return
end
local total_width = vim.api.nvim_get_option_value('columns', {})
local width_ratio
if windows.saved_width_ratio then
width_ratio = windows.saved_width_ratio
windows.saved_width_ratio = nil
elseif state.pre_zoom_width then
width_ratio = config.ui.zoom_width
else
width_ratio = config.ui.window_width
end
local width = math.floor(total_width * width_ratio)
local ok, win_config = pcall(vim.api.nvim_win_get_config, windows.output_win)
if not ok then
return
end
if win_config.relative == '' then
pcall(vim.api.nvim_win_set_width, windows.output_win, width)
return
end
pcall(vim.api.nvim_win_set_config, windows.output_win, { width = width })
end
---Fold text for the output buffer
---@return string
function M.fold_text()
local windows = state.windows
local output_buf = windows and windows.output_buf
local line = vim.v.foldstart
if not output_buf or not vim.api.nvim_buf_is_valid(output_buf) then
return vim.fn.foldtext()
end
local folds = get_fold_state(output_buf).ranges
local line_count = 0
for _, range in ipairs(folds) do
if line >= range.from and line <= range.to then
line_count = range.to - range.from + 1
break
end
end
if line_count > 0 then
local text = string.format('▶ %d lines hidden (zo open, zc close) ◀', line_count)
local width = vim.api.nvim_win_get_width(0)
local padding = math.max(0, math.floor((width - #text) / 2))
return string.rep('-', padding) .. text .. string.rep('-', padding)
end
return vim.fn.foldtext()
end
_G.opencode_fold_text = M.fold_text
function M.get_open_fold_starts(win, buf)
if not win or not buf then
return {}
end
local prev_folds = get_fold_state(buf).ranges
local was_open = {}
vim.api.nvim_win_call(win, function()
for _, range in ipairs(prev_folds) do
if vim.fn.foldclosed(range.from) == -1 then
was_open[range.from] = true
end
end
end)
return was_open
end
---Set the folds for the output buffer
---@param fold_ranges table<{from: number, to: number}>
function M.set_folds(fold_ranges)
local windows = state.windows
if not M.mounted() then
return
end
---@cast windows OpencodeWindowState
local buf = windows.output_buf
local win = windows.output_win
local folds = build_fold_state(fold_ranges or {})
local prev_folds = get_fold_state(buf)
if vim.deep_equal(prev_folds.ranges, folds.ranges) then
return
end
local was_open = M.get_open_fold_starts(win, buf)
local preserve_view = not M.is_at_bottom(win)
vim.api.nvim_buf_set_var(buf, 'opencode_folds', folds)
vim.api.nvim_win_call(win, function()
local view = preserve_view and vim.fn.winsaveview() or nil
local line_count = vim.api.nvim_buf_line_count(buf)
for _, range in ipairs(folds.ranges) do
if range.from <= line_count and range.to <= line_count then
vim.cmd(range.from .. ',' .. range.to .. 'fold')
end
end
for _, range in ipairs(folds.ranges) do
if was_open[range.from] then
vim.cmd(range.from .. ',' .. range.to .. 'foldopen!')
end
end
if view then
vim.fn.winrestview(view)
end
end)
end
---Shift fold ranges
---@param start_line integer
---@param delta integer
function M.shift_folds(start_line, delta)
local windows = state.windows
if not windows or not windows.output_buf then
return
end
local buf = windows.output_buf
local fold_state = get_fold_state(buf)
local folds = fold_state.ranges
for _, range in ipairs(folds) do
if range.from > start_line then
range.from = range.from + delta
if delta < 0 then
range.from = math.max(start_line, range.from)
end
end
if range.to > start_line then
range.to = range.to + delta
if delta < 0 then
range.to = math.max(start_line, range.to)
end
end
if range.to < range.from then
range.to = range.from
end
end
table.sort(folds, function(a, b)
return a.from < b.from
end)
fold_state.starts = {}
for _, range in ipairs(folds) do
fold_state.starts[#fold_state.starts + 1] = range.from
end
end
---@return integer
function M.get_buf_line_count()
local windows = state.windows
if not windows or not windows.output_buf or not vim.api.nvim_buf_is_valid(windows.output_buf) then
return 0
end
return vim.api.nvim_buf_line_count(windows.output_buf)
end
---Set the output buffer contents
---@param lines string[] The lines to set
---@param start_line? integer The starting line to set, defaults to 0
---@param end_line? integer The last line to set, defaults to -1
function M.set_lines(lines, start_line, end_line)
local windows = state.windows
if not windows or not windows.output_buf or not vim.api.nvim_buf_is_valid(windows.output_buf) then
return
end
local buf = windows.output_buf
start_line = start_line or 0
end_line = end_line or -1
-- Skip identical content outside of batch mode to avoid unnecessary writes
-- that cause flicker (e.g. when a markdown plugin re-renders an unchanged part).
-- Inside begin_update/end_update the caller controls exactly what is written,
-- so the check would be redundant and expensive.
if _update_depth == 0 then
local ok, existing = pcall(vim.api.nvim_buf_get_lines, buf, start_line, end_line, false)
if ok and existing and #existing == #lines then
local same = true
for i = 1, #lines do
if existing[i] ~= lines[i] then
same = false
break
end
end
if same then
return
end
end
end
if _update_depth == 0 then
vim.api.nvim_set_option_value('modifiable', true, { buf = buf })
vim.api.nvim_buf_set_lines(buf, start_line, end_line, false, lines)
vim.api.nvim_set_option_value('modifiable', false, { buf = buf })
else
vim.api.nvim_buf_set_lines(buf, start_line, end_line, false, lines)
end
end
---Clear output buf extmarks
---@param start_line? integer Line to start clearing, defaults 0
---@param end_line? integer Line to clear until, defaults to -1
---@param clear_all? boolean If true, clears all extmarks in the buffer
function M.clear_extmarks(start_line, end_line, clear_all)
local windows = state.windows
if not windows or not windows.output_buf or not vim.api.nvim_buf_is_valid(windows.output_buf) then
return
end
start_line = start_line or 0
end_line = end_line or -1
pcall(vim.api.nvim_buf_clear_namespace, windows.output_buf, clear_all and -1 or M.namespace, start_line, end_line)
end
---Apply extmarks to any buffer (reusable for preview buffers)
---@param bufnr integer Target buffer
---@param extmarks table<number, OutputExtmark[]> Extmarks indexed by line
---@param line_offset? integer Line offset to apply to extmarks, defaults to 0
function M.apply_extmarks(bufnr, extmarks, line_offset)
if not extmarks or type(extmarks) ~= 'table' then
return
end
if not bufnr or not vim.api.nvim_buf_is_valid(bufnr) then
return
end
line_offset = line_offset or 0
local line_indices = vim.tbl_keys(extmarks)
table.sort(line_indices)
for _, line_idx in ipairs(line_indices) do
local marks = extmarks[line_idx]
table.sort(marks, function(a, b)
local ma = type(a) == 'function' and a() or a
local mb = type(b) == 'function' and b() or b
return (ma.priority or 0) > (mb.priority or 0)
end)
for _, mark in ipairs(marks) do
local m = type(mark) == 'function' and mark() or mark
local target_line = line_offset + line_idx --[[@as integer]]
local start_col = m.start_col
-- Only deepcopy when we need to mutate: start_col must be removed from the
-- opts table, and end_row must be offset when line_offset is non-zero.
-- The vast majority of extmarks (border virt_text) have neither field, so
-- we avoid 100k+ deepcopy calls during a full session render.
if start_col ~= nil or (m.end_row ~= nil and line_offset ~= 0) then
m = vim.deepcopy(m)
m.start_col = nil
if m.end_row then
m.end_row = m.end_row + line_offset
end
end
---@cast m vim.api.keyset.set_extmark
pcall(vim.api.nvim_buf_set_extmark, bufnr, M.namespace, target_line, start_col or 0, m)
end
end
end
---Apply extmarks to the output buffer
---@param extmarks table<number, OutputExtmark[]> Extmarks indexed by line
---@param line_offset? integer Line offset to apply to extmarks, defaults to 0
function M.set_extmarks(extmarks, line_offset)
if not extmarks or type(extmarks) ~= 'table' then
return
end
local windows = state.windows
if not windows or not windows.output_buf or not vim.api.nvim_buf_is_valid(windows.output_buf) then
return
end
M.apply_extmarks(windows.output_buf, extmarks, line_offset)
end
---@param start_line integer
---@param end_line integer
function M.highlight_changed_lines(start_line, end_line)
local windows = state.windows
if not windows or not windows.output_buf or not vim.api.nvim_buf_is_valid(windows.output_buf) then
return
end
if not config.debug.highlight_changed_lines then
return
end
local buf = windows.output_buf
local first = math.max(0, start_line)
if end_line < start_line then
return
end
local last = math.max(first, end_line)
vim.api.nvim_buf_clear_namespace(buf, M.debug_namespace, first, last + 1)
for line = first, last do
vim.api.nvim_buf_set_extmark(buf, M.debug_namespace, line, 0, {
line_hl_group = 'OpencodeChangedLines',
hl_eol = true,
priority = 250,
})
end
vim.defer_fn(function()
if vim.api.nvim_buf_is_valid(buf) then
vim.api.nvim_buf_clear_namespace(buf, M.debug_namespace, first, last + 1)
end
end, config.debug.highlight_changed_lines_timeout_ms or 120)
end
---@param should_stop_insert? boolean
function M.focus_output(should_stop_insert)
if not M.mounted() then
return
end
---@cast state.windows { output_win: integer }
if should_stop_insert then
vim.cmd('stopinsert')
end
vim.api.nvim_set_current_win(state.windows.output_win)
end
---Close and delete the output window and buffer.
function M.close()
if not M.mounted() then
return
end
---@cast state.windows { output_win: integer, output_buf: integer }
M.reset_scroll_tracking(state.windows.output_win)
pcall(vim.api.nvim_win_close, state.windows.output_win, true)
pcall(vim.api.nvim_buf_delete, state.windows.output_buf, { force = true })
end
---@param windows OpencodeWindowState
function M.setup_keymaps(windows)
local keymap = require('opencode.keymap')
keymap.setup_window_keymaps(config.keymap.output_window, windows.output_buf)
-- When lazy-render is active, gg only reaches the top of rendered content.
-- Load all messages first so gg reaches the true start of history.
vim.keymap.set('n', 'gg', function()
local renderer = require('opencode.ui.renderer')
renderer.load_all_messages()
vim.api.nvim_win_set_cursor(0, { 1, 0 })
end, { buffer = windows.output_buf })
end
---@param windows OpencodeWindowState
---@param group integer
function M.setup_autocmds(windows, group)
local debounced_load_more_at_top
local function has_unrendered_messages()
local ctx = require('opencode.ui.renderer.ctx')
return ctx.lazy_render_count ~= nil and ctx.lazy_render_count < #(state.messages or {})
end
local function viewport_is_at_rendered_top()
local top_line = M.get_visible_top_line(windows.output_win)
return top_line ~= nil and top_line <= 3
end
vim.api.nvim_create_autocmd('WinEnter', {
group = group,
buffer = windows.output_buf,
callback = function()
local input_window = require('opencode.ui.input_window')
state.ui.set_last_focused_window('output')
input_window.refresh_placeholder(state.windows)
vim.cmd('stopinsert')
end,
})
vim.api.nvim_create_autocmd('BufEnter', {
group = group,
buffer = windows.output_buf,
callback = function()
local input_window = require('opencode.ui.input_window')
state.ui.set_last_focused_window('output')
input_window.refresh_placeholder(state.windows)
vim.cmd('stopinsert')
end,
})
vim.api.nvim_create_autocmd('CursorMoved', {
group = group,
buffer = windows.output_buf,
callback = function()
local pos = state.ui.get_window_cursor(windows.output_win)
if pos then
state.ui.set_cursor_position('output', pos)
end
if debounced_load_more_at_top and has_unrendered_messages() and viewport_is_at_rendered_top() then
debounced_load_more_at_top()
end
end,
})
-- Lazy-render: load more messages when the viewport reaches the rendered top.
debounced_load_more_at_top = require('opencode.util').debounce(function()
local renderer = require('opencode.ui.renderer')
local render_state = require('opencode.ui.renderer.ctx').render_state
local top_line = M.get_visible_top_line(windows.output_win)
local anchor_msg_id = nil
local anchor_offset = 0
if top_line then
for _, msg in ipairs(state.messages or {}) do
local msg_id = msg.info and msg.info.id or ''
if not msg_id:match('^__opencode_') then
local rendered = render_state:get_message(msg_id)
if rendered and rendered.line_start and rendered.line_end and rendered.line_end >= top_line then
anchor_msg_id = msg_id
anchor_offset = math.max(0, top_line - rendered.line_start)
break
end
end
end
end
if renderer.load_more_messages() then
if anchor_msg_id then
local rendered = render_state:get_message(anchor_msg_id)
if rendered and rendered.line_start then
local restored_top = math.max(1, rendered.line_start + anchor_offset)
pcall(vim.api.nvim_win_set_cursor, windows.output_win, { restored_top, 0 })
pcall(vim.api.nvim_win_call, windows.output_win, function()
vim.cmd('normal! zt')
end)
return
end
end
pcall(vim.api.nvim_win_set_cursor, windows.output_win, { 1, 0 })
end
end, 150)
vim.api.nvim_create_autocmd('WinScrolled', {
group = group,
buffer = windows.output_buf,
callback = function()
M.sync_cursor_with_viewport(windows.output_win)
if debounced_load_more_at_top and has_unrendered_messages() and viewport_is_at_rendered_top() then
debounced_load_more_at_top()
end
end,
})
end
---Clear the output buffer and all namespaces.
function M.clear()
M.set_lines({})
-- clear extmarks in all namespaces as I've seen RenderMarkdown leave some
-- extmarks behind
M.clear_extmarks(0, -1, true)
end
---Get the output buffer
---@return integer|nil Buffer ID
function M.get_buf()
return state.windows and state.windows.output_buf
end
---Trigger a re-render by calling the renderer
function M.render()
local renderer = require('opencode.ui.renderer')
renderer._render_all_messages()
end
return M