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ORPA-pyOpenRPA/Resources/WPy64-3720/python-3.7.2.amd64/Lib/site-packages/prompt_toolkit/key_binding/bindings/search.py

93 lines
2.4 KiB

"""
Search related key bindings.
"""
from __future__ import unicode_literals
from ..key_bindings import key_binding
from prompt_toolkit.application.current import get_app
from prompt_toolkit.filters import is_searching, control_is_searchable, Condition
from prompt_toolkit import search
__all__ = [
'abort_search',
'accept_search',
'start_reverse_incremental_search',
'start_forward_incremental_search',
'reverse_incremental_search',
'forward_incremental_search',
'accept_search_and_accept_input',
]
@key_binding(filter=is_searching)
def abort_search(event):
"""
Abort an incremental search and restore the original
line.
(Usually bound to ControlG/ControlC.)
"""
search.stop_search()
@key_binding(filter=is_searching)
def accept_search(event):
"""
When enter pressed in isearch, quit isearch mode. (Multiline
isearch would be too complicated.)
(Usually bound to Enter.)
"""
search.accept_search()
@key_binding(filter=control_is_searchable)
def start_reverse_incremental_search(event):
"""
Enter reverse incremental search.
(Usually ControlR.)
"""
search.start_search(direction=search.SearchDirection.BACKWARD)
@key_binding(filter=control_is_searchable)
def start_forward_incremental_search(event):
"""
Enter forward incremental search.
(Usually ControlS.)
"""
search.start_search(direction=search.SearchDirection.FORWARD)
@key_binding(filter=is_searching)
def reverse_incremental_search(event):
"""
Apply reverse incremental search, but keep search buffer focused.
"""
search.do_incremental_search(
search.SearchDirection.BACKWARD, count=event.arg)
@key_binding(filter=is_searching)
def forward_incremental_search(event):
"""
Apply forward incremental search, but keep search buffer focused.
"""
search.do_incremental_search(
search.SearchDirection.FORWARD, count=event.arg)
@Condition
def _previous_buffer_is_returnable():
"""
True if the previously focused buffer has a return handler.
"""
prev_control = get_app().layout.search_target_buffer_control
return prev_control and prev_control.buffer.is_returnable
@key_binding(filter=is_searching & _previous_buffer_is_returnable)
def accept_search_and_accept_input(event):
"""
Accept the search operation first, then accept the input.
"""
search.accept_search()
event.current_buffer.validate_and_handle()