Files
telescope.nvim/lua/telescope/previewers/previewer.lua
Simon Hauser 6ac5ee0854 feat: cycle previewers with commit and bcommit already using it (#528)
- new git previewers
- jump to line in bcommit previewer
- vimdiff for bcommits
- dynamic preview window titles
- more previewers documentation

Cycle previewers are not mapped yet. So you need to setup yourself:
```lua
require('telescope').setup {
  defaults = {
    mappings = {
      i = {
        ["<C-s>"] = actions.cycle_previewers_next,
        ["<C-a>"] = actions.cycle_previewers_prev,
      },
    },
  }
}
```

Co-authored-by: Thore Strassburg <thore@weilbier.net>
2021-06-14 21:50:46 +02:00

72 lines
1.4 KiB
Lua

local Previewer = {}
Previewer.__index = Previewer
function Previewer:new(opts)
opts = opts or {}
return setmetatable({
state = nil,
_title_fn = opts.title,
_dyn_title_fn = opts.dyn_title,
_setup_func = opts.setup,
_teardown_func = opts.teardown,
_send_input = opts.send_input,
_scroll_fn = opts.scroll_fn,
preview_fn = opts.preview_fn,
}, Previewer)
end
function Previewer:preview(entry, status)
if not entry then
return
end
if not self.state then
if self._setup_func then
self.state = self:_setup_func()
else
self.state = {}
end
end
return self:preview_fn(entry, status)
end
function Previewer:title()
if self._title_fn then
return self:_title_fn()
end
return "Preview"
end
function Previewer:dynamic_title(entry)
if self._title_fn then
return self:_dyn_title_fn(entry)
end
return "Preview"
end
function Previewer:teardown()
if self._teardown_func then
self:_teardown_func()
end
end
function Previewer:send_input(input)
if self._send_input then
self:_send_input(input)
else
vim.api.nvim_err_writeln("send_input is not defined for this previewer")
end
end
function Previewer:scroll_fn(direction)
if self._scroll_fn then
self:_scroll_fn(direction)
else
vim.api.nvim_err_writeln("scroll_fn is not defined for this previewer")
end
end
return Previewer