feat(cursor_layout): handle previewer

lua/telescope/pickers/layout_strategies.lua

@@ -213,52 +213,49 @@ end
 --]]
 layout_strategies.cursor = function(self, columns, lines)
  local initial_options = self:_get_initial_window_options()
- --local preview = initial_options.preview
+ local preview = initial_options.preview
  local results = initial_options.results
  local prompt = initial_options.prompt
 
  -- This sets the height/width for the whole layout
  local height = resolve.resolve_height(self.window.results_height)(self, columns, lines)
  local width = resolve.resolve_width(self.window.width)(self, columns, lines)
 
- local max_results = (height > lines and lines or height)
+ --local max_results = (height > lines and lines or height)
  local max_width = (width > columns and columns or width)
 
- prompt.height = 1
- results.height = max_results
-
- prompt.width = max_width
- results.width = max_width
- --preview.width = max_width
-
  -- border size
  local bs = 1
  if is_borderless(self) then
  bs = 0
  end
+ local edge_gap = 1
+
+ prompt.height = 1
+ results.height = height
+ preview.height = height + 2
+
+ local width_left = self.previewer and math.floor(max_width/3) or max_width
+ prompt.width = width_left
+ results.width = width_left
+ preview.width = self.previewer and (2*width_left) or 0
 
  local position = vim.fn.nvim_win_get_position(0)
  local cursor_line = vim.fn.winline() + position[1]
  local cursor_col = vim.fn.wincol() + position[2]
 
- prompt.line = cursor_line + bs
+ local max_line = (cursor_line + (bs*3) + height + prompt.height) > lines and (cursor_line - (bs*3) - height - prompt.height - 1) or cursor_line
+ prompt.line = max_line + bs
  results.line = prompt.line + (bs*2)
+ preview.line = prompt.line
 
- --preview.line = 1
- --preview.height = math.floor(prompt.line - (2 + bs))
-
- --if not self.previewer or columns < self.preview_cutoff then
- --preview.height = 0
- --end
-
- -- TODO: handle cases where there is no space left or no space below
- prompt.col = cursor_col
- results.col = prompt.col
- --preview.col = results.col
+ local max_col = (cursor_col + max_width + bs + edge_gap) > columns and (columns - max_width - bs - edge_gap) or cursor_col
+ prompt.col = max_col
+ results.col = max_col
+ preview.col = results.col + results.width + bs + bs
 
  return {
- --preview = self.previewer and preview.width > 0 and preview,
- preview = false,
+ preview = self.previewer and preview.width > 0 and preview,
  results = results,
  prompt = prompt
  }