dotfiles/.config/helix/config.toml

# based on https://github.com/LGUG2Z/helix-vim
theme = "base16_default"

[editor]
line-number = "relative"
[editor.lsp]
display-messages = true
[editor.cursor-shape]
insert = "bar"
normal = "block"
[editor.whitespace]
# render.space,tab,newline
render = "all"
[editor.whitespace.characters]
space = "·"
nbsp = "⍽"
# tab = "→"
tab = ">"
newline = "¬"
# Tabs will look like "→···" (depending on tab width)
# tabpad = "·"
tabpad = "-"

[keys.normal]
# Quick iteration on config changes
C-o = ":config-open"
C-r = ":config-reload"

# Some nice Helix stuff
C-h = "select_prev_sibling"
C-j = "shrink_selection"
C-k = "expand_selection"
C-l = "select_next_sibling"

# Upstream's preference
# o = ["open_below", "normal_mode"]
# O = ["open_above", "normal_mode"]

# Muscle memory
"{" = ["goto_prev_paragraph", "collapse_selection"]
"}" = ["goto_next_paragraph", "collapse_selection"]
0 = "goto_line_start"
"$" = "goto_line_end"
"^" = "goto_first_nonwhitespace"
G = "goto_file_end"
"%" = "match_brackets"
V = ["select_mode", "extend_to_line_bounds"]
C = ["extend_to_line_end", "yank_main_selection_to_clipboard", "delete_selection", "insert_mode"]
D = ["extend_to_line_end", "yank_main_selection_to_clipboard", "delete_selection"]
S = "surround_add" # Would be nice to be able to do something after this but it isn't chainable

# Clipboards over registers ye ye
x = "delete_selection"
p = ["paste_clipboard_after", "collapse_selection"]
P = ["paste_clipboard_before", "collapse_selection"]
# Would be nice to add ya and yi, but the surround commands can't be chained
Y = ["extend_to_line_end", "yank_main_selection_to_clipboard", "collapse_selection"]

# Uncanny valley stuff, this makes w and b behave as they do Vim
w = ["move_next_word_start", "move_char_right", "collapse_selection"]
W = ["move_next_long_word_start", "move_char_right", "collapse_selection"]
e = ["move_next_word_end", "collapse_selection"]
E = ["move_next_long_word_end", "collapse_selection"]
b = ["move_prev_word_start", "collapse_selection"]
B = ["move_prev_long_word_start", "collapse_selection"]

# If you want to keep the selection-while-moving behaviour of Helix, this two lines will help a lot,
# especially if you find having text remain selected while you have switched to insert or append mode
#
# There is no real difference if you have overridden the commands bound to 'w', 'e' and 'b' like above
# But if you really want to get familiar with the Helix way of selecting-while-moving, comment the
# bindings for 'w', 'e', and 'b' out and leave the bindings for 'i' and 'a' active below. A world of difference!
i = ["insert_mode", "collapse_selection"]
a = ["append_mode", "collapse_selection"]

# Undoing the 'd' + motion commands restores the selection which is annoying
u = ["undo", "collapse_selection"]

# Escape the madness! No more fighting with the cursor! Or with multiple cursors!
esc = ["collapse_selection", "keep_primary_selection"]

# Search for word under cursor
"*" = ["move_char_right", "move_prev_word_start", "move_next_word_end", "search_selection", "search_next"]
"#" = ["move_char_right", "move_prev_word_start", "move_next_word_end", "search_selection", "search_prev"]

# Extend and select commands that expect a manual input can't be chained
# I've kept d[X] commands here because it's better to at least have the stuff you want to delete
# selected so that it's just a keystroke away to delete
[keys.normal.d]
d = ["extend_to_line_bounds", "yank_main_selection_to_clipboard", "delete_selection"]
t = ["extend_till_char"]
s = ["surround_delete"]
i = ["select_textobject_inner"]
a = ["select_textobject_around"]
j = ["select_mode", "extend_to_line_bounds", "extend_line_below", "yank_main_selection_to_clipboard", "delete_selection", "normal_mode"]
down = ["select_mode", "extend_to_line_bounds", "extend_line_below", "yank_main_selection_to_clipboard", "delete_selection", "normal_mode"]
k = ["select_mode", "extend_to_line_bounds", "extend_line_above", "yank_main_selection_to_clipboard", "delete_selection", "normal_mode"]
up = ["select_mode", "extend_to_line_bounds", "extend_line_above", "yank_main_selection_to_clipboard", "delete_selection", "normal_mode"]
G = ["select_mode", "extend_to_line_bounds", "goto_last_line", "extend_to_line_bounds", "yank_main_selection_to_clipboard", "delete_selection", "normal_mode"]
w = ["move_next_word_start", "yank_main_selection_to_clipboard", "delete_selection"]
W = ["move_next_long_word_start", "yank_main_selection_to_clipboard", "delete_selection"]
g = { g = ["select_mode", "extend_to_line_bounds", "goto_file_start", "extend_to_line_bounds", "yank_main_selection_to_clipboard", "delete_selection", "normal_mode"] }

[keys.normal.y]
y = ["extend_to_line_bounds", "yank_main_selection_to_clipboard", "normal_mode", "collapse_selection"]
j = ["select_mode", "extend_to_line_bounds", "extend_line_below", "yank_main_selection_to_clipboard", "collapse_selection", "normal_mode"]
down = ["select_mode", "extend_to_line_bounds", "extend_line_below", "yank_main_selection_to_clipboard", "collapse_selection", "normal_mode"]
k = ["select_mode", "extend_to_line_bounds", "extend_line_above", "yank_main_selection_to_clipboard", "collapse_selection", "normal_mode"]
up = ["select_mode", "extend_to_line_bounds", "extend_line_above", "yank_main_selection_to_clipboard", "collapse_selection", "normal_mode"]
G = ["select_mode", "extend_to_line_bounds", "goto_last_line", "extend_to_line_bounds", "yank_main_selection_to_clipboard", "collapse_selection", "normal_mode"]
w = ["move_next_word_start", "yank_main_selection_to_clipboard", "collapse_selection", "normal_mode"]
W = ["move_next_long_word_start", "yank_main_selection_to_clipboard", "collapse_selection", "normal_mode"]
g = { g = ["select_mode", "extend_to_line_bounds", "goto_file_start", "extend_to_line_bounds", "yank_main_selection_to_clipboard", "collapse_selection", "normal_mode"] }

[keys.normal.Z]
Z = ":write-quit"

[keys.insert]
# Escape the madness! No more fighting with the cursor! Or with multiple cursors!
esc = ["collapse_selection", "normal_mode"]

[keys.select]
# Muscle memory
"{" = ["extend_to_line_bounds", "goto_prev_paragraph"]
"}" = ["extend_to_line_bounds", "goto_next_paragraph"]
0 = "goto_line_start"
"$" = "goto_line_end"
"^" = "goto_first_nonwhitespace"
G = "goto_file_end"
D = ["extend_to_line_bounds", "delete_selection", "normal_mode"]
C = ["goto_line_start", "extend_to_line_bounds", "change_selection"]
"%" = "match_brackets"
S = "surround_add" # Basically 99% of what I use vim-surround for
u = ["switch_to_lowercase", "collapse_selection", "normal_mode"]
U = ["switch_to_uppercase", "collapse_selection", "normal_mode"]

# Visual-mode specific muscle memory
i = "select_textobject_inner"
a = "select_textobject_around"

# Some extra binds to allow us to insert/append in select mode because it's nice with multiple cursors
tab = ["insert_mode", "collapse_selection"] # tab is read by most terminal editors as "C-i"
C-a = ["append_mode", "collapse_selection"]

# Make selecting lines in visual mode behave sensibly
k = ["extend_line_up", "extend_to_line_bounds"]
j = ["extend_line_down", "extend_to_line_bounds"]

# Clipboards over registers ye ye
d = ["yank_main_selection_to_clipboard", "delete_selection"]
x = ["yank_main_selection_to_clipboard", "delete_selection"]
y = ["yank_main_selection_to_clipboard", "normal_mode", "flip_selections", "collapse_selection"]
Y = ["extend_to_line_bounds", "yank_main_selection_to_clipboard", "goto_line_start", "collapse_selection", "normal_mode"]
p = "replace_selections_with_clipboard" # No life without this
P = "paste_clipboard_before"

# Escape the madness! No more fighting with the cursor! Or with multiple cursors!
esc = ["collapse_selection", "keep_primary_selection", "normal_mode"]