Support completion styles for READLINE_LIKE display method.

Author: jonathanslenders

examples/prompts/auto-completion/colored-completions.py

@@ -34,6 +34,10 @@ def main():
  prompt('Type a color: ', completer=ColorCompleter(),
  complete_style=CompleteStyle.MULTI_COLUMN)
 
+ # Readline-like
+ prompt('Type a color: ', completer=ColorCompleter(),
+ complete_style=CompleteStyle.READLINE_LIKE)
+
  # Prompt with true color output.
  message = [('#cc2244', 'T'), ('#bb4444', 'r'), ('#996644', 'u'), ('#cc8844', 'e '),
  ('#ccaa44', 'C'), ('#bbaa44', 'o'), ('#99aa44', 'l'),

prompt_toolkit/key_binding/bindings/completion.py

@@ -4,9 +4,9 @@
 from __future__ import unicode_literals
 from prompt_toolkit.application.run_in_terminal import run_coroutine_in_terminal
 from prompt_toolkit.completion import CompleteEvent, get_common_complete_suffix
-from prompt_toolkit.utils import get_cwidth
-from prompt_toolkit.keys import Keys
 from prompt_toolkit.key_binding.key_bindings import KeyBindings
+from prompt_toolkit.keys import Keys
+from prompt_toolkit.utils import get_cwidth
 
 import math
 
@@ -73,6 +73,7 @@ def _display_completions_like_readline(app, completions):
  on a single page and provide a paginator to walk through them.
  """
  from prompt_toolkit.shortcuts.prompt import create_confirm_session
+ from prompt_toolkit.formatted_text import to_formatted_text
  assert isinstance(completions, list)
 
  # Get terminal dimensions.
@@ -99,17 +100,21 @@ def display(page):
  page_columns = [page_completions[i * page_row_count:(i + 1) * page_row_count]
  for i in range(column_count)]
 
- result = []
+ result = [] # FormattedText list: (style,text) tuples.
+
  for r in range(page_row_count):
  for c in range(column_count):
  try:
- result.append(page_columns[c][r].text.ljust(max_compl_width))
+ completion = page_columns[c][r]
+
+ result.extend(to_formatted_text(
+ completion.text.ljust(max_compl_width),
+ style=completion.style))
  except IndexError:
  pass
- result.append('\n')
+ result.append(('', '\n'))
 
- app.output.write(''.join(result))
- app.output.flush()
+ app.print_text(result)
 
  # User interaction through an application generator function.
  def run_compl():