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import logging
from prompt_toolkit.enums import EditingMode
from prompt_toolkit.keys import Keys
from prompt_toolkit.key_binding.manager import KeyBindingManager
from prompt_toolkit.filters import Condition
from .filters import HasSelectedCompletion
_logger = logging.getLogger(__name__)
def pgcli_bindings(get_vi_mode_enabled, set_vi_mode_enabled):
"""
Custom key bindings for pgcli.
"""
assert callable(get_vi_mode_enabled)
assert callable(set_vi_mode_enabled)
key_binding_manager = KeyBindingManager(
enable_open_in_editor=True,
enable_system_bindings=True,
enable_search=True,
enable_abort_and_exit_bindings=True)
@key_binding_manager.registry.add_binding(Keys.F2)
def _(event):
"""
Enable/Disable SmartCompletion Mode.
"""
_logger.debug('Detected F2 key.')
buf = event.cli.current_buffer
buf.completer.smart_completion = not buf.completer.smart_completion
@key_binding_manager.registry.add_binding(Keys.F3)
def _(event):
"""
Enable/Disable Multiline Mode.
"""
_logger.debug('Detected F3 key.')
buf = event.cli.current_buffer
buf.always_multiline = not buf.always_multiline
@key_binding_manager.registry.add_binding(Keys.F4)
def _(event):
"""
Toggle between Vi and Emacs mode.
"""
_logger.debug('Detected F4 key.')
vi_mode = not get_vi_mode_enabled()
set_vi_mode_enabled(vi_mode)
event.cli.editing_mode = EditingMode.VI if vi_mode else EditingMode.EMACS
@key_binding_manager.registry.add_binding(Keys.Tab)
def _(event):
"""
Force autocompletion at cursor.
"""
_logger.debug('Detected <Tab> key.')
b = event.cli.current_buffer
if b.complete_state:
b.complete_next()
else:
event.cli.start_completion(select_first=True)
@key_binding_manager.registry.add_binding(Keys.ControlSpace)
def _(event):
"""
Initialize autocompletion at cursor.
If the autocompletion menu is not showing, display it with the
appropriate completions for the context.
If the menu is showing, select the next completion.
"""
_logger.debug('Detected <C-Space> key.')
b = event.cli.current_buffer
if b.complete_state:
b.complete_next()
else:
event.cli.start_completion(select_first=False)
@key_binding_manager.registry.add_binding(Keys.ControlJ, filter=HasSelectedCompletion())
def _(event):
"""
Makes the enter key work as the tab key only when showing the menu.
"""
_logger.debug('Detected <C-J> key.')
event.current_buffer.complete_state = None
b = event.cli.current_buffer
b.complete_state = None
return key_binding_manager
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