Method: Textbringer::Utils.read_from_minibuffer

Defined in:

lib/textbringer/utils.rb

.read_from_minibuffer(prompt, completion_proc: nil, default: nil, initial_value: nil, completion_ignore_case: false, keymap: MINIBUFFER_LOCAL_MAP) ⇒ Object

# File 'lib/textbringer/utils.rb', line 141

def read_from_minibuffer(prompt, completion_proc: nil, default: nil,
                         initial_value: nil, completion_ignore_case: false,
                         keymap: MINIBUFFER_LOCAL_MAP)
  if Window.echo_area.active?
    raise EditorError,
      "Command attempted to use minibuffer while in minibuffer"
  end
  old_buffer = Buffer.current
  old_window = Window.current
  old_completion_proc = Buffer.minibuffer[:completion_proc]
  old_completion_ignore_case = Buffer.minibuffer[:completion_ignore_case]
  old_current_prefix_arg = Controller.current.current_prefix_arg
  old_minibuffer_map = Buffer.minibuffer.keymap
  Buffer.minibuffer.keymap = keymap
  Buffer.minibuffer[:completion_proc] = completion_proc
  Buffer.minibuffer[:completion_ignore_case] = completion_ignore_case
  Window.echo_area.active = true
  begin
    Window.current = Window.echo_area
    Buffer.minibuffer.clear
    Buffer.minibuffer.insert(initial_value) if initial_value
    if default
      prompt = prompt.sub(/:/, " (default #{default}):")
    end
    Window.echo_area.prompt = prompt
    Window.echo_area.redisplay
    Window.update
    recursive_edit
    s = Buffer.minibuffer.to_s
    if default && s.empty?
      default
    else
      s
    end
  ensure
    Window.echo_area.clear
    Window.echo_area.redisplay
    Window.update
    Window.echo_area.active = false
    Window.current = old_window
    # Just in case old_window has been deleted by resize,
    # in which case Window.current is set to the first window.
    Window.current.buffer = Buffer.current = old_buffer
    Buffer.minibuffer[:completion_ignore_case] = old_completion_ignore_case
    Buffer.minibuffer[:completion_proc] = old_completion_proc
    Buffer.minibuffer.keymap = old_minibuffer_map
    Buffer.minibuffer.disable_input_method
    Controller.current.current_prefix_arg = old_current_prefix_arg
    if COMPLETION[:original_buffer]
      COMPLETION[:completions_window].buffer = COMPLETION[:original_buffer]
      COMPLETION[:completions_window] = nil
      COMPLETION[:original_buffer] = nil
    end
  end
end