94 lines
2.5 KiB
Python
94 lines
2.5 KiB
Python
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"""
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Search related key bindings.
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"""
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from prompt_toolkit import search
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from prompt_toolkit.application.current import get_app
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from prompt_toolkit.filters import Condition, control_is_searchable, is_searching
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from prompt_toolkit.key_binding.key_processor import KeyPressEvent
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from ..key_bindings import key_binding
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__all__ = [
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"abort_search",
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"accept_search",
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"start_reverse_incremental_search",
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"start_forward_incremental_search",
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"reverse_incremental_search",
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"forward_incremental_search",
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"accept_search_and_accept_input",
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]
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E = KeyPressEvent
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@key_binding(filter=is_searching)
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def abort_search(event: E) -> None:
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"""
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Abort an incremental search and restore the original
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line.
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(Usually bound to ControlG/ControlC.)
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"""
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search.stop_search()
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@key_binding(filter=is_searching)
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def accept_search(event: E) -> None:
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"""
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When enter pressed in isearch, quit isearch mode. (Multiline
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isearch would be too complicated.)
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(Usually bound to Enter.)
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"""
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search.accept_search()
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@key_binding(filter=control_is_searchable)
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def start_reverse_incremental_search(event: E) -> None:
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"""
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Enter reverse incremental search.
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(Usually ControlR.)
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"""
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search.start_search(direction=search.SearchDirection.BACKWARD)
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@key_binding(filter=control_is_searchable)
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def start_forward_incremental_search(event: E) -> None:
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"""
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Enter forward incremental search.
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(Usually ControlS.)
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"""
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search.start_search(direction=search.SearchDirection.FORWARD)
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@key_binding(filter=is_searching)
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def reverse_incremental_search(event: E) -> None:
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"""
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Apply reverse incremental search, but keep search buffer focused.
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"""
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search.do_incremental_search(search.SearchDirection.BACKWARD, count=event.arg)
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@key_binding(filter=is_searching)
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def forward_incremental_search(event: E) -> None:
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"""
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Apply forward incremental search, but keep search buffer focused.
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"""
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search.do_incremental_search(search.SearchDirection.FORWARD, count=event.arg)
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@Condition
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def _previous_buffer_is_returnable() -> bool:
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"""
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True if the previously focused buffer has a return handler.
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"""
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prev_control = get_app().layout.search_target_buffer_control
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return bool(prev_control and prev_control.buffer.is_returnable)
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@key_binding(filter=is_searching & _previous_buffer_is_returnable)
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def accept_search_and_accept_input(event: E) -> None:
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"""
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Accept the search operation first, then accept the input.
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"""
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search.accept_search()
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event.current_buffer.validate_and_handle()
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