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"""
Default key bindings.::
registry = load_key_bindings()
app = Application(key_bindings_registry=registry)
"""
from __future__ import unicode_literals
from prompt_toolkit.key_binding.registry import ConditionalRegistry, MergedRegistry
from prompt_toolkit.key_binding.bindings.basic import load_basic_bindings, load_abort_and_exit_bindings, load_basic_system_bindings, load_auto_suggestion_bindings, load_mouse_bindings
from prompt_toolkit.key_binding.bindings.emacs import load_emacs_bindings, load_emacs_system_bindings, load_emacs_search_bindings, load_emacs_open_in_editor_bindings, load_extra_emacs_page_navigation_bindings
from prompt_toolkit.key_binding.bindings.vi import load_vi_bindings, load_vi_system_bindings, load_vi_search_bindings, load_vi_open_in_editor_bindings, load_extra_vi_page_navigation_bindings
from prompt_toolkit.filters import to_cli_filter
__all__ = (
'load_key_bindings',
'load_key_bindings_for_prompt',
)
def load_key_bindings(
get_search_state=None,
enable_abort_and_exit_bindings=False,
enable_system_bindings=False,
enable_search=False,
enable_open_in_editor=False,
enable_extra_page_navigation=False,
enable_auto_suggest_bindings=False):
"""
Create a Registry object that contains the default key bindings.
:param enable_abort_and_exit_bindings: Filter to enable Ctrl-C and Ctrl-D.
:param enable_system_bindings: Filter to enable the system bindings (meta-!
prompt and Control-Z suspension.)
:param enable_search: Filter to enable the search bindings.
:param enable_open_in_editor: Filter to enable open-in-editor.
:param enable_open_in_editor: Filter to enable open-in-editor.
:param enable_extra_page_navigation: Filter for enabling extra page
navigation. (Bindings for up/down scrolling through long pages, like in
Emacs or Vi.)
:param enable_auto_suggest_bindings: Filter to enable fish-style suggestions.
"""
assert get_search_state is None or callable(get_search_state)
# Accept both Filters and booleans as input.
enable_abort_and_exit_bindings = to_cli_filter(enable_abort_and_exit_bindings)
enable_system_bindings = to_cli_filter(enable_system_bindings)
enable_search = to_cli_filter(enable_search)
enable_open_in_editor = to_cli_filter(enable_open_in_editor)
enable_extra_page_navigation = to_cli_filter(enable_extra_page_navigation)
enable_auto_suggest_bindings = to_cli_filter(enable_auto_suggest_bindings)
registry = MergedRegistry([
# Load basic bindings.
load_basic_bindings(),
load_mouse_bindings(),
ConditionalRegistry(load_abort_and_exit_bindings(),
enable_abort_and_exit_bindings),
ConditionalRegistry(load_basic_system_bindings(),
enable_system_bindings),
# Load emacs bindings.
load_emacs_bindings(),
ConditionalRegistry(load_emacs_open_in_editor_bindings(),
enable_open_in_editor),
ConditionalRegistry(load_emacs_search_bindings(get_search_state=get_search_state),
enable_search),
ConditionalRegistry(load_emacs_system_bindings(),
enable_system_bindings),
ConditionalRegistry(load_extra_emacs_page_navigation_bindings(),
enable_extra_page_navigation),
# Load Vi bindings.
load_vi_bindings(get_search_state=get_search_state),
ConditionalRegistry(load_vi_open_in_editor_bindings(),
enable_open_in_editor),
ConditionalRegistry(load_vi_search_bindings(get_search_state=get_search_state),
enable_search),
ConditionalRegistry(load_vi_system_bindings(),
enable_system_bindings),
ConditionalRegistry(load_extra_vi_page_navigation_bindings(),
enable_extra_page_navigation),
# Suggestion bindings.
# (This has to come at the end, because the Vi bindings also have an
# implementation for the "right arrow", but we really want the
# suggestion binding when a suggestion is available.)
ConditionalRegistry(load_auto_suggestion_bindings(),
enable_auto_suggest_bindings),
])
return registry
def load_key_bindings_for_prompt(**kw):
"""
Create a ``Registry`` object with the defaults key bindings for an input
prompt.
This activates the key bindings for abort/exit (Ctrl-C/Ctrl-D),
incremental search and auto suggestions.
(Not for full screen applications.)
"""
kw.setdefault('enable_abort_and_exit_bindings', True)
kw.setdefault('enable_search', True)
kw.setdefault('enable_auto_suggest_bindings', True)
return load_key_bindings(**kw)
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