xkeysnail-config.py

import re
from xkeysnail.transform import *

# Emacs-like keybindings in non-Emacs applications
define_keymap(re.compile("Firefox"), {
    # Ctrl+Alt+j/k to switch next/previous tab
    K("Caps-M-j"): K("C-TAB"),
    K("Caps-M-k"): K("C-Shift-TAB"),
    # Type Caps-j to focus to the content
    K("Caps-j"): K("C-f6"),
    # Cursor
    K("Caps-b"): with_mark(K("left")),
    K("Caps-f"): with_mark(K("right")),
    K("Caps-p"): with_mark(K("up")),
    K("Caps-n"): with_mark(K("down")),
    K("Caps-h"): with_mark(K("backspace")),
    # Forward/Backward word
    K("M-b"): with_mark(K("C-left")),
    K("M-f"): with_mark(K("C-right")),
    # Beginning/End of line
    K("Caps-a"): with_mark(K("home")),
    K("Caps-e"): with_mark(K("end")),
    # Page up/down
    K("M-v"): with_mark(K("page_up")),
    K("Caps-v"): with_mark(K("page_down")),
    # Beginning/End of file
    K("M-Shift-comma"): with_mark(K("C-home")),
    K("M-Shift-dot"): with_mark(K("C-end")),
    # Newline
    K("Caps-m"): K("enter"),
    K("Caps-j"): K("enter"),
    K("Caps-o"): [K("enter"), K("left")],
    # Copy
    K("Caps-w"): [K("C-x"), set_mark(False)],
    K("M-w"): [K("C-c"), set_mark(False)],
    K("Caps-y"): [K("C-v"), set_mark(False)],
    # Delete
    K("Caps-d"): [K("delete"), set_mark(False)],
    K("M-d"): [K("C-delete"), set_mark(False)],
    # Kill line
    K("Caps-k"): [K("Shift-end"), K("C-x"), set_mark(False)],
    # Undo
    K("Caps-slash"): [K("C-z"), set_mark(False)],
    K("Caps-Shift-ro"): K("C-z"),
    # Mark
    K("Caps-space"): set_mark(True),
    K("Caps-LEFT_BRACE"): set_mark(True),
    # Search
    K("Caps-s"): K("F3"),
    K("Caps-r"): K("Shift-F3"),
    K("M-Shift-key_5"): K("C-h"),
    # Cancel
    K("Caps-g"): [K("esc"), set_mark(False)],
    # Escape
    K("Caps-q"): escape_next_key,
    # Caps-x YYY
    K("Caps-x"): {
        # Caps-x h (select all)
        K("h"): [K("C-home"), K("C-a"), set_mark(True)],
        # C-x C-f (open)
        K("Caps-f"): K("C-o"),
        # Caps-x C-s (save)
        K("Caps-s"): K("C-s"),
        # Caps-x k (kill tab)
        K("k"): K("C-f4"),
        # Caps-x C-c (exit)
        K("Caps-c"): K("C-q"),
        # cancel
        K("Caps-g"): pass_through_key,
        # C-x u (undo)
        K("u"): [K("C-z"), set_mark(False)],
    }
}, "Emacs-like keys")