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-rw-r--r--src/prompt_toolkit/key_binding/bindings/basic.py253
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diff --git a/src/prompt_toolkit/key_binding/bindings/basic.py b/src/prompt_toolkit/key_binding/bindings/basic.py
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+++ b/src/prompt_toolkit/key_binding/bindings/basic.py
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+# pylint: disable=function-redefined
+from prompt_toolkit.application.current import get_app
+from prompt_toolkit.filters import (
+ Condition,
+ emacs_insert_mode,
+ has_selection,
+ in_paste_mode,
+ is_multiline,
+ vi_insert_mode,
+)
+from prompt_toolkit.key_binding.key_processor import KeyPress, KeyPressEvent
+from prompt_toolkit.keys import Keys
+
+from ..key_bindings import KeyBindings
+from .named_commands import get_by_name
+
+__all__ = [
+ "load_basic_bindings",
+]
+
+E = KeyPressEvent
+
+
+def if_no_repeat(event: E) -> bool:
+ """Callable that returns True when the previous event was delivered to
+ another handler."""
+ return not event.is_repeat
+
+
+def load_basic_bindings() -> KeyBindings:
+ key_bindings = KeyBindings()
+ insert_mode = vi_insert_mode | emacs_insert_mode
+ handle = key_bindings.add
+
+ @handle("c-a")
+ @handle("c-b")
+ @handle("c-c")
+ @handle("c-d")
+ @handle("c-e")
+ @handle("c-f")
+ @handle("c-g")
+ @handle("c-h")
+ @handle("c-i")
+ @handle("c-j")
+ @handle("c-k")
+ @handle("c-l")
+ @handle("c-m")
+ @handle("c-n")
+ @handle("c-o")
+ @handle("c-p")
+ @handle("c-q")
+ @handle("c-r")
+ @handle("c-s")
+ @handle("c-t")
+ @handle("c-u")
+ @handle("c-v")
+ @handle("c-w")
+ @handle("c-x")
+ @handle("c-y")
+ @handle("c-z")
+ @handle("f1")
+ @handle("f2")
+ @handle("f3")
+ @handle("f4")
+ @handle("f5")
+ @handle("f6")
+ @handle("f7")
+ @handle("f8")
+ @handle("f9")
+ @handle("f10")
+ @handle("f11")
+ @handle("f12")
+ @handle("f13")
+ @handle("f14")
+ @handle("f15")
+ @handle("f16")
+ @handle("f17")
+ @handle("f18")
+ @handle("f19")
+ @handle("f20")
+ @handle("f21")
+ @handle("f22")
+ @handle("f23")
+ @handle("f24")
+ @handle("c-@") # Also c-space.
+ @handle("c-\\")
+ @handle("c-]")
+ @handle("c-^")
+ @handle("c-_")
+ @handle("backspace")
+ @handle("up")
+ @handle("down")
+ @handle("right")
+ @handle("left")
+ @handle("s-up")
+ @handle("s-down")
+ @handle("s-right")
+ @handle("s-left")
+ @handle("home")
+ @handle("end")
+ @handle("s-home")
+ @handle("s-end")
+ @handle("delete")
+ @handle("s-delete")
+ @handle("c-delete")
+ @handle("pageup")
+ @handle("pagedown")
+ @handle("s-tab")
+ @handle("tab")
+ @handle("c-s-left")
+ @handle("c-s-right")
+ @handle("c-s-home")
+ @handle("c-s-end")
+ @handle("c-left")
+ @handle("c-right")
+ @handle("c-up")
+ @handle("c-down")
+ @handle("c-home")
+ @handle("c-end")
+ @handle("insert")
+ @handle("s-insert")
+ @handle("c-insert")
+ @handle("<sigint>")
+ @handle(Keys.Ignore)
+ def _ignore(event: E) -> None:
+ """
+ First, for any of these keys, Don't do anything by default. Also don't
+ catch them in the 'Any' handler which will insert them as data.
+
+ If people want to insert these characters as a literal, they can always
+ do by doing a quoted insert. (ControlQ in emacs mode, ControlV in Vi
+ mode.)
+ """
+ pass
+
+ # Readline-style bindings.
+ handle("home")(get_by_name("beginning-of-line"))
+ handle("end")(get_by_name("end-of-line"))
+ handle("left")(get_by_name("backward-char"))
+ handle("right")(get_by_name("forward-char"))
+ handle("c-up")(get_by_name("previous-history"))
+ handle("c-down")(get_by_name("next-history"))
+ handle("c-l")(get_by_name("clear-screen"))
+
+ handle("c-k", filter=insert_mode)(get_by_name("kill-line"))
+ handle("c-u", filter=insert_mode)(get_by_name("unix-line-discard"))
+ handle("backspace", filter=insert_mode, save_before=if_no_repeat)(
+ get_by_name("backward-delete-char")
+ )
+ handle("delete", filter=insert_mode, save_before=if_no_repeat)(
+ get_by_name("delete-char")
+ )
+ handle("c-delete", filter=insert_mode, save_before=if_no_repeat)(
+ get_by_name("delete-char")
+ )
+ handle(Keys.Any, filter=insert_mode, save_before=if_no_repeat)(
+ get_by_name("self-insert")
+ )
+ handle("c-t", filter=insert_mode)(get_by_name("transpose-chars"))
+ handle("c-i", filter=insert_mode)(get_by_name("menu-complete"))
+ handle("s-tab", filter=insert_mode)(get_by_name("menu-complete-backward"))
+
+ # Control-W should delete, using whitespace as separator, while M-Del
+ # should delete using [^a-zA-Z0-9] as a boundary.
+ handle("c-w", filter=insert_mode)(get_by_name("unix-word-rubout"))
+
+ handle("pageup", filter=~has_selection)(get_by_name("previous-history"))
+ handle("pagedown", filter=~has_selection)(get_by_name("next-history"))
+
+ # CTRL keys.
+
+ @Condition
+ def has_text_before_cursor() -> bool:
+ return bool(get_app().current_buffer.text)
+
+ handle("c-d", filter=has_text_before_cursor & insert_mode)(
+ get_by_name("delete-char")
+ )
+
+ @handle("enter", filter=insert_mode & is_multiline)
+ def _newline(event: E) -> None:
+ """
+ Newline (in case of multiline input.
+ """
+ event.current_buffer.newline(copy_margin=not in_paste_mode())
+
+ @handle("c-j")
+ def _newline2(event: E) -> None:
+ r"""
+ By default, handle \n as if it were a \r (enter).
+ (It appears that some terminals send \n instead of \r when pressing
+ enter. - at least the Linux subsystem for Windows.)
+ """
+ event.key_processor.feed(KeyPress(Keys.ControlM, "\r"), first=True)
+
+ # Delete the word before the cursor.
+
+ @handle("up")
+ def _go_up(event: E) -> None:
+ event.current_buffer.auto_up(count=event.arg)
+
+ @handle("down")
+ def _go_down(event: E) -> None:
+ event.current_buffer.auto_down(count=event.arg)
+
+ @handle("delete", filter=has_selection)
+ def _cut(event: E) -> None:
+ data = event.current_buffer.cut_selection()
+ event.app.clipboard.set_data(data)
+
+ # Global bindings.
+
+ @handle("c-z")
+ def _insert_ctrl_z(event: E) -> None:
+ """
+ By default, control-Z should literally insert Ctrl-Z.
+ (Ansi Ctrl-Z, code 26 in MSDOS means End-Of-File.
+ In a Python REPL for instance, it's possible to type
+ Control-Z followed by enter to quit.)
+
+ When the system bindings are loaded and suspend-to-background is
+ supported, that will override this binding.
+ """
+ event.current_buffer.insert_text(event.data)
+
+ @handle(Keys.BracketedPaste)
+ def _paste(event: E) -> None:
+ """
+ Pasting from clipboard.
+ """
+ data = event.data
+
+ # Be sure to use \n as line ending.
+ # Some terminals (Like iTerm2) seem to paste \r\n line endings in a
+ # bracketed paste. See: https://github.com/ipython/ipython/issues/9737
+ data = data.replace("\r\n", "\n")
+ data = data.replace("\r", "\n")
+
+ event.current_buffer.insert_text(data)
+
+ @Condition
+ def in_quoted_insert() -> bool:
+ return get_app().quoted_insert
+
+ @handle(Keys.Any, filter=in_quoted_insert, eager=True)
+ def _insert_text(event: E) -> None:
+ """
+ Handle quoted insert.
+ """
+ event.current_buffer.insert_text(event.data, overwrite=False)
+ event.app.quoted_insert = False
+
+ return key_bindings