feat: Add selection and start actions

lua/telescope/actions.lua

@@ -0,0 +1,25 @@
+-- Actions functions that are useful for people creating their own mappings.
+
+local state = require('telescope.state')
+
+local actions = {}
+
+
+--- Get the current picker object for the prompt
+function actions.get_current_picker(prompt_bufnr)
+  return state.get_status(prompt_bufnr).picker
+end
+
+--- Move the current selection of a picker {change} rows.
+--- Handles not overflowing / underflowing the list.
+function actions.shift_current_selection(prompt_bufnr, change)
+  actions.get_current_picker(prompt_bufnr):move_selection(change)
+end
+
+--- Get the current entry
+function actions.get_selected_entry(prompt_bufnr)
+  return actions.get_current_picker(prompt_bufnr):get_selection()
+end
+
+
+return actions

lua/telescope/mappings.lua

@@ -1,6 +1,7 @@
 -- TODO: Customize keymap
 local a = vim.api
 
+local actions = require('telescope.actions')
 local state = require('telescope.state')
 
 local mappings = {}
@@ -29,10 +30,6 @@ mappings.set_keymap = function(prompt_bufnr, results_bufnr)
   default_mapper('<CR>', 'enter')
 end
 
-local function update_current_selection(prompt_bufnr, change)
-  state.get_status(prompt_bufnr).picker:move_selection(change)
-end
-
 
 function __TelescopeMapping(prompt_bufnr, results_bufnr, characters)
   if keymap[characters] then
@@ -44,11 +41,11 @@ end
 -- TODO: Move from top to bottom, etc.
 -- TODO: It seems like doing this brings us back to the beginning of the prompt, which is not great.
 keymap["control-n"] = function(prompt_bufnr, _)
-  update_current_selection(prompt_bufnr, 1)
+  actions.shift_current_selection(prompt_bufnr, 1)
 end
 
 keymap["control-p"] = function(prompt_bufnr, _)
-  update_current_selection(prompt_bufnr, -1)
+  actions.shift_current_selection(prompt_bufnr, -1)
 end
 
 keymap["enter"] = function(prompt_bufnr, results_bufnr)

lua/telescope/pickers.lua

@@ -193,6 +193,7 @@ function Picker:find(opts)
           return
         end
 
+        -- TODO: This really isn't the place to do this.
         local display = entry.display
 
         if has_devicons then
@@ -200,6 +201,8 @@ function Picker:find(opts)
           display = (icon or ' ') .. ' ' ..  display
         end
 
+        display = '  ' .. display
+
         -- log.info("Setting row", row, "with value", entry)
         vim.api.nvim_buf_set_lines(results_bufnr, row, row + 1, false, {display})
       end
@@ -388,17 +391,33 @@ function Picker:set_selection(row)
   end
 
   local status = state.get_status(self.prompt_bufnr)
+  local results_bufnr = status.results_bufnr
 
-  a.nvim_buf_clear_namespace(status.results_bufnr, ns_telescope_selection, 0, -1)
+  -- Handle adding '> ' to beginning of selections
+  if self._selection_row then
+    a.nvim_buf_set_lines(results_bufnr, self._selection_row, self._selection_row + 1, false, {'  ' .. a.nvim_buf_get_lines(results_bufnr, self._selection_row, self._selection_row + 1, false)[1]:sub(3)})
+  end
+
+  a.nvim_buf_set_lines(results_bufnr, row, row + 1, false, {'> ' .. a.nvim_buf_get_lines(results_bufnr, row, row + 1, false)[1]:sub(3)})
+
+  a.nvim_buf_clear_namespace(results_bufnr, ns_telescope_selection, 0, -1)
   a.nvim_buf_add_highlight(
-    status.results_bufnr,
+    results_bufnr,
     ns_telescope_selection,
-    'Error',
+    'TelescopeSelection',
     row,
     0,
     -1
   )
 
+
+  -- if self._match_id then
+  --   -- vim.fn.matchdelete(self._match_id)
+  --   vim.fn.clearmatches(results_win)
+  -- end
+
+  -- self._match_id = vim.fn.matchaddpos("Conceal", { {row + 1, 1, 2} }, 0, -1, { window = results_win, conceal = ">" })
+
   -- TODO: Don't let you go over / under the buffer limits
   -- TODO: Make sure you start exactly at the bottom selected
 

plugin/telescope.vim

@@ -1,28 +1,32 @@
+
+highlight default link TelescopeSelection Visual
+
+
 " let s:term_command = "rg preview_quit_map -l | fzf --preview 'bat --color=always --style=grid {-1}' --print0"
 " let s:term_command = "rg preview_quit_map -l | fzf --preview 'bat --color=always --style=grid {-1}' > file.txt"
-let s:term_command = "(rg preview_quit_map -l | fzf --preview 'bat --color=always --style=grid {-1}')"
+" let s:term_command = "(rg preview_quit_map -l | fzf --preview 'bat --color=always --style=grid {-1}')"
 
-function! s:on_exit() abort
+" function! s:on_exit() abort
-  let g:result = readfile('file.txt')
+"   let g:result = readfile('file.txt')
-endfunction
+" endfunction
 
-function! TestFunc() abort
+" function! TestFunc() abort
-  let g:term_output_stdout = []
+"   let g:term_output_stdout = []
-  let g:term_output_stderr = []
+"   let g:term_output_stderr = []
-  let g:term_output_onexit = []
+"   let g:term_output_onexit = []
 
-  vnew
+"   vnew
-  let term_id = termopen(s:term_command, {
+"   let term_id = termopen(s:term_command, {
-        \ 'on_stdout': { j, d, e -> add(g:term_output_stdout, d) },
+"         \ 'on_stdout': { j, d, e -> add(g:term_output_stdout, d) },
-        \ 'on_stderr': { j, d, e -> add(g:term_output_stderr, d) },
+"         \ 'on_stderr': { j, d, e -> add(g:term_output_stderr, d) },
-        \ 'on_exit': { j, d, e -> s:on_exit() },
+"         \ 'on_exit': { j, d, e -> s:on_exit() },
-        \ 'stdout_buffered': v:false,
+"         \ 'stdout_buffered': v:false,
-        \ })
+"         \ })
-endfunction
+" endfunction
 
-function! PrintStuff() abort
+" function! PrintStuff() abort
-  echo len(g:term_output_stdout) len(g:term_output_stderr) len(g:term_output_onexit)
+"   echo len(g:term_output_stdout) len(g:term_output_stderr) len(g:term_output_onexit)
-endfunction
+" endfunction
 
 " call TestFunc()