barrett/pending.nvim
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refactor(buffer): update syntax, extmarks, and render for checkbox format

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Problem: syntax patterns matched the old indent/[N] format; right_align
virtual text produced a broken layout in narrow windows; the done
strikethrough skipped past the '  ' indent leaving '- [x] ' unstyled;
render() added undo history entries so 'u' could undo a re-render.

Solution: update taskHeader/taskLine patterns for '## '/'- [.]'; rename
taskPriority -> taskCheckbox matching '[!]'; switch virt_text_pos to
'eol'; drop the +2 col_start offset so strikethrough covers '- [x] ';
guard nvim_buf_set_lines with undolevels=-1 so renders are not undoable.
Also fix open_line to insert '- [ ] ' and position cursor at col 6.
This commit is contained in:
Barrett Ruth 2026-02-24 23:14:53 -05:00
parent fe2ee47b5e
commit d243d5897a
2 changed files with 15 additions and 12 deletions
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19
lua/pending/buffer.lua
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@ -56,9 +56,9 @@ local function setup_syntax(bufnr)
vim.cmd([[
syntax clear
syntax match taskId /^\/\d\+\// conceal
syntax match taskHeader /^\S.*$/ contains=taskId
syntax match taskPriority /\[\d\+\] / contained containedin=taskLine
syntax match taskLine /^\/\d\+\/ .*$/ contains=taskId,taskPriority
syntax match taskHeader /^## .*$/ contains=taskId
syntax match taskCheckbox /\[!\]/ contained containedin=taskLine
syntax match taskLine /^\/\d\+\/- \[.\] .*$/ contains=taskId,taskCheckbox
]])
end)
end
@ -72,8 +72,8 @@ function M.open_line(above)
local row = vim.api.nvim_win_get_cursor(0)[1]
local insert_row = above and (row - 1) or row
vim.bo[bufnr].modifiable = true
vim.api.nvim_buf_set_lines(bufnr, insert_row, insert_row, false, { ' ' })
vim.api.nvim_win_set_cursor(0, { insert_row + 1, 2 })
vim.api.nvim_buf_set_lines(bufnr, insert_row, insert_row, false, { '- [ ] ' })
vim.api.nvim_win_set_cursor(0, { insert_row + 1, 6 })
vim.cmd('startinsert!')
end
@ -113,18 +113,18 @@ local function apply_extmarks(bufnr, line_meta)
if virt_text then
vim.api.nvim_buf_set_extmark(bufnr, task_ns, row, 0, {
virt_text = virt_text,
virt_text_pos = 'right_align',
virt_text_pos = 'eol',
})
end
elseif m.due then
vim.api.nvim_buf_set_extmark(bufnr, task_ns, row, 0, {
virt_text = { { m.due, due_hl } },
virt_text_pos = 'right_align',
virt_text_pos = 'eol',
})
end
if m.status == 'done' then
local line = vim.api.nvim_buf_get_lines(bufnr, row, row + 1, false)[1] or ''
local col_start = line:find('/%d+/') and select(2, line:find('/%d+/')) + 2 or 0
local col_start = line:find('/%d+/') and select(2, line:find('/%d+/')) or 0
vim.api.nvim_buf_set_extmark(bufnr, task_ns, row, col_start, {
end_col = #line,
hl_group = 'PendingDone',
@ -168,8 +168,11 @@ function M.render(bufnr)
_meta = line_meta
vim.bo[bufnr].modifiable = true
local saved = vim.bo[bufnr].undolevels
vim.bo[bufnr].undolevels = -1
vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines)
vim.bo[bufnr].modified = false
vim.bo[bufnr].undolevels = saved
setup_syntax(bufnr)
apply_extmarks(bufnr, line_meta)