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feat: Manpages finder (output of apropos) (#134)

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First edition. Sometimes weird things can happen with the previewer, but I think I got it 99% working.

* feat: Manpages finder (output of apropos)

* fixup: Add previewer and fix comments

Co-authored-by: TJ DeVries <devries.timothyj@gmail.com>
This commit is contained in:
Senghan Bright
2020-10-07 22:01:47 +02:00
committed by GitHub
parent 2053a2621a
commit a7957b2bdc
3 changed files with 95 additions and 5 deletions
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43
lua/telescope/previewers.lua
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@@ -2,6 +2,7 @@ local context_manager = require('plenary.context_manager')
local from_entry = require('telescope.from_entry')
local log = require('telescope.log')
local debounce = require('telescope.debounce')
local utils = require('telescope.utils')
local flatten = vim.tbl_flatten
@@ -62,9 +63,9 @@ local with_preview_window = function(status, bufnr, callable)
vim.api.nvim_buf_call(bufnr, callable)
else
return context_manager.with(function()
vim.cmd(string.format("noautocmd call win_gotoid(%s)", status.preview_win))
vim.cmd(string.format("noautocmd call nvim_set_current_win(%s)", status.preview_win))
coroutine.yield()
vim.cmd(string.format("noautocmd call win_gotoid(%s)", status.prompt_win))
vim.cmd(string.format("noautocmd call nvim_set_current_win(%s)", status.prompt_win))
end, callable)
end
end
@@ -495,6 +496,44 @@ previewers.nvim_file = defaulter(function(_)
}
end)
previewers.man = defaulter(function(_)
return previewers.new {
preview_fn = debounce.throttle_leading(function(_, entry, status)
local cmd = entry.value
local st = {}
st.prompt_win = status.prompt_win
st.preview_win = status.preview_win
with_preview_window(st, nil, function()
if not vim.api.nvim_win_is_valid(st.preview_win) then
return
end
local man_value = vim.fn['man#goto_tag'](cmd, '', '')
if #man_value == 0 then
print("No value for:", cmd)
return
end
local filename = man_value[1].filename
if vim.api.nvim_buf_get_name(0) == filename then
return
end
local bufnr = vim.api.nvim_create_buf(false, true)
vim.api.nvim_win_set_buf(st.preview_win, bufnr)
vim.api.nvim_command('view ' .. filename)
vim.api.nvim_buf_set_option(bufnr, 'buftype', 'nofile')
vim.api.nvim_buf_set_option(bufnr, 'bufhidden', 'hide')
vim.api.nvim_buf_set_option(bufnr, 'swapfile', false)
vim.api.nvim_buf_set_option(bufnr, 'buflisted', false)
end)
end, 5)
}
end)
previewers.Previewer = Previewer
return previewers