Another stream

1 files changed, 33 insertions, 2 deletions

diff --git a/lua/telescope/previewers.lua b/lua/telescope/previewers.lua
index a36ec5a..ccbd7db 100644
--- a/lua/telescope/previewers.lua
+++ b/lua/telescope/previewers.lua
@@ -3,14 +3,45 @@ local previewers = {}
 local Previewer = {}
 Previewer.__index = Previewer
 
-function Previewer:new(fn)
+function Previewer:new(opts)
+  opts = opts or {}
+
   return setmetatable({
-    fn = fn,
+    preview_fn = opts.preview_fn,
   }, Previewer)
 end
 
+function Previewer:preview(preview_win, preview_bufnr, results_bufnr, row)
+  return self.preview_fn(preview_win, preview_bufnr, results_bufnr, row)
+end
+
 previewers.new = function(...)
   return Previewer:new(...)
 end
 
+previewers.vim_buffer = previewers.new {
+  preview_fn = function(preview_win, preview_bufnr, results_bufnr, row)
+    assert(preview_bufnr)
+
+    local line = vim.api.nvim_buf_get_lines(results_bufnr, row, row + 1, false)[1]
+    local file_name = vim.split(line, ":")[1]
+
+    -- print(file_name)
+    -- vim.fn.termopen(
+    --   string.format("bat --color=always --style=grid %s"),
+    -- vim.fn.fnamemodify(file_name, ":p")
+    local bufnr = vim.fn.bufadd(file_name)
+    vim.fn.bufload(bufnr)
+
+    -- TODO: We should probably call something like this because we're not always getting highlight and all that stuff.
+    -- api.nvim_command('doautocmd filetypedetect BufRead ' .. vim.fn.fnameescape(filename))
+    vim.api.nvim_win_set_buf(preview_win, bufnr)
+    vim.api.nvim_win_set_option(preview_win, 'wrap', false)
+    vim.api.nvim_win_set_option(preview_win, 'winhl', 'Normal:Normal')
+    vim.api.nvim_win_set_option(preview_win, 'winblend', 20)
+    vim.api.nvim_win_set_option(preview_win, 'signcolumn', 'no')
+    vim.api.nvim_win_set_option(preview_win, 'foldlevel', 100)
+  end,
+}
+
 return previewers