feat: Add better mapping support

lua/telescope/actions.lua

@@ -1,9 +1,14 @@
 -- Actions functions that are useful for people creating their own mappings.
 
+local a = vim.api
+
 local state = require('telescope.state')
 
-local actions = {}
-
+local actions = setmetatable({}, {
+  __index = function(t, k)
+    error("Actions does not have a value: " .. tostring(k))
+  end
+})
 
 --- Get the current picker object for the prompt
 function actions.get_current_picker(prompt_bufnr)
@@ -16,10 +21,62 @@ function actions.shift_current_selection(prompt_bufnr, change)
   actions.get_current_picker(prompt_bufnr):move_selection(change)
 end
 
+function actions.move_selection_next(prompt_bufnr)
+  actions.shift_current_selection(prompt_bufnr, 1)
+end
+
+function actions.move_selection_previous(prompt_bufnr)
+  actions.shift_current_selection(prompt_bufnr, -1)
+end
+
 --- Get the current entry
 function actions.get_selected_entry(prompt_bufnr)
   return actions.get_current_picker(prompt_bufnr):get_selection()
 end
 
+function actions.goto_file_selection(prompt_bufnr)
+  local picker = actions.get_current_picker(prompt_bufnr)
+  local entry = actions.get_selected_entry(prompt_bufnr)
+
+  if not entry then
+    print("[telescope] Nothing currently selected")
+    return
+  else
+    local value = entry.value
+    if not value then
+      print("Could not do anything with blank line...")
+      return
+    end
+
+    -- TODO: This is not great.
+    if type(value) == "table" then
+      value = entry.display
+    end
+
+    local sections = vim.split(value, ":")
+
+    local filename = sections[1]
+    local row = tonumber(sections[2])
+    local col = tonumber(sections[3])
+
+    vim.cmd(string.format([[bwipeout! %s]], prompt_bufnr))
+
+    a.nvim_set_current_win(picker.original_win_id or 0)
+    vim.cmd(string.format(":e %s", filename))
+
+    local bufnr = vim.api.nvim_get_current_buf()
+    a.nvim_buf_set_option(bufnr, 'buflisted', true)
+    if row and col then
+      a.nvim_win_set_cursor(0, {row, col})
+    end
+
+    vim.cmd [[stopinsert]]
+  end
+end
+
+actions.close = function(prompt_bufnr)
+  vim.cmd(string.format([[bwipeout! %s]], prompt_bufnr))
+end
+
 
 return actions