1 files changed, 221 insertions, 0 deletions
diff --git a/src/prompt_toolkit/keys.py b/src/prompt_toolkit/keys.py
new file mode 100644
index 0000000..e10ba9d
--- /dev/null
+++ b/src/prompt_toolkit/keys.py
@@ -0,0 +1,221 @@
+from enum import Enum
+from typing import Dict, List
+
+__all__ = [
+    "Keys",
+    "ALL_KEYS",
+]
+
+
+class Keys(str, Enum):
+    """
+    List of keys for use in key bindings.
+
+    Note that this is an "StrEnum", all values can be compared against
+    strings.
+    """
+
+    value: str
+
+    Escape = "escape"  # Also Control-[
+    ShiftEscape = "s-escape"
+
+    ControlAt = "c-@"  # Also Control-Space.
+
+    ControlA = "c-a"
+    ControlB = "c-b"
+    ControlC = "c-c"
+    ControlD = "c-d"
+    ControlE = "c-e"
+    ControlF = "c-f"
+    ControlG = "c-g"
+    ControlH = "c-h"
+    ControlI = "c-i"  # Tab
+    ControlJ = "c-j"  # Newline
+    ControlK = "c-k"
+    ControlL = "c-l"
+    ControlM = "c-m"  # Carriage return
+    ControlN = "c-n"
+    ControlO = "c-o"
+    ControlP = "c-p"
+    ControlQ = "c-q"
+    ControlR = "c-r"
+    ControlS = "c-s"
+    ControlT = "c-t"
+    ControlU = "c-u"
+    ControlV = "c-v"
+    ControlW = "c-w"
+    ControlX = "c-x"
+    ControlY = "c-y"
+    ControlZ = "c-z"
+
+    Control1 = "c-1"
+    Control2 = "c-2"
+    Control3 = "c-3"
+    Control4 = "c-4"
+    Control5 = "c-5"
+    Control6 = "c-6"
+    Control7 = "c-7"
+    Control8 = "c-8"
+    Control9 = "c-9"
+    Control0 = "c-0"
+
+    ControlShift1 = "c-s-1"
+    ControlShift2 = "c-s-2"
+    ControlShift3 = "c-s-3"
+    ControlShift4 = "c-s-4"
+    ControlShift5 = "c-s-5"
+    ControlShift6 = "c-s-6"
+    ControlShift7 = "c-s-7"
+    ControlShift8 = "c-s-8"
+    ControlShift9 = "c-s-9"
+    ControlShift0 = "c-s-0"
+
+    ControlBackslash = "c-\\"
+    ControlSquareClose = "c-]"
+    ControlCircumflex = "c-^"
+    ControlUnderscore = "c-_"
+
+    Left = "left"
+    Right = "right"
+    Up = "up"
+    Down = "down"
+    Home = "home"
+    End = "end"
+    Insert = "insert"
+    Delete = "delete"
+    PageUp = "pageup"
+    PageDown = "pagedown"
+
+    ControlLeft = "c-left"
+    ControlRight = "c-right"
+    ControlUp = "c-up"
+    ControlDown = "c-down"
+    ControlHome = "c-home"
+    ControlEnd = "c-end"
+    ControlInsert = "c-insert"
+    ControlDelete = "c-delete"
+    ControlPageUp = "c-pageup"
+    ControlPageDown = "c-pagedown"
+
+    ShiftLeft = "s-left"
+    ShiftRight = "s-right"
+    ShiftUp = "s-up"
+    ShiftDown = "s-down"
+    ShiftHome = "s-home"
+    ShiftEnd = "s-end"
+    ShiftInsert = "s-insert"
+    ShiftDelete = "s-delete"
+    ShiftPageUp = "s-pageup"
+    ShiftPageDown = "s-pagedown"
+
+    ControlShiftLeft = "c-s-left"
+    ControlShiftRight = "c-s-right"
+    ControlShiftUp = "c-s-up"
+    ControlShiftDown = "c-s-down"
+    ControlShiftHome = "c-s-home"
+    ControlShiftEnd = "c-s-end"
+    ControlShiftInsert = "c-s-insert"
+    ControlShiftDelete = "c-s-delete"
+    ControlShiftPageUp = "c-s-pageup"
+    ControlShiftPageDown = "c-s-pagedown"
+
+    BackTab = "s-tab"  # shift + tab
+
+    F1 = "f1"
+    F2 = "f2"
+    F3 = "f3"
+    F4 = "f4"
+    F5 = "f5"
+    F6 = "f6"
+    F7 = "f7"
+    F8 = "f8"
+    F9 = "f9"
+    F10 = "f10"
+    F11 = "f11"
+    F12 = "f12"
+    F13 = "f13"
+    F14 = "f14"
+    F15 = "f15"
+    F16 = "f16"
+    F17 = "f17"
+    F18 = "f18"
+    F19 = "f19"
+    F20 = "f20"
+    F21 = "f21"
+    F22 = "f22"
+    F23 = "f23"
+    F24 = "f24"
+
+    ControlF1 = "c-f1"
+    ControlF2 = "c-f2"
+    ControlF3 = "c-f3"
+    ControlF4 = "c-f4"
+    ControlF5 = "c-f5"
+    ControlF6 = "c-f6"
+    ControlF7 = "c-f7"
+    ControlF8 = "c-f8"
+    ControlF9 = "c-f9"
+    ControlF10 = "c-f10"
+    ControlF11 = "c-f11"
+    ControlF12 = "c-f12"
+    ControlF13 = "c-f13"
+    ControlF14 = "c-f14"
+    ControlF15 = "c-f15"
+    ControlF16 = "c-f16"
+    ControlF17 = "c-f17"
+    ControlF18 = "c-f18"
+    ControlF19 = "c-f19"
+    ControlF20 = "c-f20"
+    ControlF21 = "c-f21"
+    ControlF22 = "c-f22"
+    ControlF23 = "c-f23"
+    ControlF24 = "c-f24"
+
+    # Matches any key.
+    Any = "<any>"
+
+    # Special.
+    ScrollUp = "<scroll-up>"
+    ScrollDown = "<scroll-down>"
+
+    CPRResponse = "<cursor-position-response>"
+    Vt100MouseEvent = "<vt100-mouse-event>"
+    WindowsMouseEvent = "<windows-mouse-event>"
+    BracketedPaste = "<bracketed-paste>"
+
+    SIGINT = "<sigint>"
+
+    # For internal use: key which is ignored.
+    # (The key binding for this key should not do anything.)
+    Ignore = "<ignore>"
+
+    # Some 'Key' aliases (for backwards-compatibility).
+    ControlSpace = ControlAt
+    Tab = ControlI
+    Enter = ControlM
+    Backspace = ControlH
+
+    # ShiftControl was renamed to ControlShift in
+    # 888fcb6fa4efea0de8333177e1bbc792f3ff3c24 (20 Feb 2020).
+    ShiftControlLeft = ControlShiftLeft
+    ShiftControlRight = ControlShiftRight
+    ShiftControlHome = ControlShiftHome
+    ShiftControlEnd = ControlShiftEnd
+
+
+ALL_KEYS: List[str] = [k.value for k in Keys]
+
+
+# Aliases.
+KEY_ALIASES: Dict[str, str] = {
+    "backspace": "c-h",
+    "c-space": "c-@",
+    "enter": "c-m",
+    "tab": "c-i",
+    # ShiftControl was renamed to ControlShift.
+    "s-c-left": "c-s-left",
+    "s-c-right": "c-s-right",
+    "s-c-home": "c-s-home",
+    "s-c-end": "c-s-end",
+}