412 lines
13 KiB
Nix
412 lines
13 KiB
Nix
{lib, config, ...}:
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let
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cfg = config.helixApp;
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# helix theming docs: https://docs.helix-editor.com/themes.html
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# Check current stylix theme: ~/.config/helix/themes/stylix.toml
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# And computed minimal: ~/.config/helix/themes/minimal.toml
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# Minimal syntax highlighting theme using base16 colors
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# Philosophy: "If everything is highlighted, nothing is"
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# Highlight comments, keywords, strings, and constants, all else uses style, not color
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minimalTheme = {
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# Inherit Stylix's base theme (UI, palette, etc.)
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inherits = "stylix";
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# Comments
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"comment" = { fg = "base0A"; modifiers = ["italic"]; };
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# Keywords
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"keyword" = { fg = "base0E"; modifiers = ["italic"]; };
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"keyword.control" = { fg = "base0E"; modifiers = ["italic"]; };
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"keyword.directive" = { fg = "base0E"; modifiers = ["italic"]; };
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"keyword.function" = { fg = "base0E"; modifiers = ["italic"]; };
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"keyword.operator" = { fg = "base0E"; modifiers = ["italic"]; };
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"keyword.return" = { fg = "base0E"; modifiers = ["italic"]; };
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"keyword.storage" = { fg = "base0E"; modifiers = ["italic"]; };
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# Strings
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"string" = "base0B";
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"string.regexp" = "base0B";
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"string.special" = "base0B";
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# Constants/Numbers
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"constant" = "base08";
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"constant.numeric" = "base08";
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"constant.builtin" = "base08";
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"constant.character" = "base08";
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"constant.character.escape" = "base08";
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# === SUBTLE HIGHLIGHTING ===
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# Types
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"type" = { fg = "base0F"; modifiers = ["bold"]; };
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"type.builtin" = { fg = "base0F"; modifiers = ["bold"]; };
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"type.enum" = { fg = "base0F"; modifiers = ["bold"]; };
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"type.enum.variant" = { fg = "base0F"; modifiers = ["bold"]; };
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# Definitions - bold+italic, same color as text (landmarks)
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"function.definition" = { fg = "base07"; modifiers = ["bold" "italic"]; };
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"type.definition" = { fg = "base07"; modifiers = ["bold" "italic"]; };
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# === PLAIN TEXT (majority of code) ===
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# Functions - plain text
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"function" = "base07";
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"function.builtin" = "base07";
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"function.method" = "base07";
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"function.macro" = "base07";
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# Variables - plain text
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"variable" = "base05";
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"variable.builtin" = "base07";
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"variable.parameter" = "base05";
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"variable.other" = "base05";
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"variable.other.member" = "base05";
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# Other constructs - plain text
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"constructor" = "base05";
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"attribute" = "base05";
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"label" = "base05";
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"namespace" = "base05";
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"tag" = "base05";
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"special" = "base05";
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# Punctuation - plain text
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"punctuation" = "base04";
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"punctuation.bracket" = "base04";
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"punctuation.delimiter" = "base04";
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"punctuation.special" = "base04";
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"operator" = "base04";
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# === MARKUP (documents) ===
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"markup.heading" = { fg = "base0E"; modifiers = ["bold"]; };
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"markup.heading.1" = { fg = "base0E"; modifiers = ["bold"]; };
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"markup.heading.2" = { fg = "base0B"; modifiers = ["bold"]; };
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"markup.heading.3" = { fg = "base0D"; modifiers = ["bold"]; };
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"markup.heading.4" = { fg = "base0F"; modifiers = ["bold"]; };
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"markup.heading.5" = { fg = "base08"; modifiers = ["bold"]; };
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"markup.heading.6" = { fg = "base0C"; modifiers = ["bold"]; };
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"markup.list" = "base0E";
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"markup.bold" = { modifiers = ["bold"]; };
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"markup.italic" = { modifiers = ["italic"]; };
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"markup.strikethrough" = { modifiers = ["crossed_out"]; };
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"markup.link.url" = { fg = "base09"; modifiers = ["underlined"]; };
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"markup.link.text" = "base0E";
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"markup.quote" = "base0B";
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"markup.raw" = "base0B";
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"markup.raw.inline" = "base0B";
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"markup.raw.block" = "base0B";
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};
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in
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{
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options.helixApp = {
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enable = lib.mkEnableOption "enable helix editor";
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themeOverrides = lib.mkOption {
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type = lib.types.attrsOf lib.types.anything;
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default = {};
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description = ''
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Override helix theme scopes. These are merged with the minimal base theme.
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Uses base16 color names (base00-base0F) for Stylix integration.
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Example: Make types plain text instead of subtle:
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themeOverrides = { "type" = "base05"; };
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'';
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example = {
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"type" = "base05";
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"comment" = { fg = "base03"; modifiers = ["italic"]; };
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};
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};
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};
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config = lib.mkIf cfg.enable {
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# Let Stylix generate its base theme (for UI elements, palette)
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stylix.targets.helix.enable = true;
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programs.helix = {
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enable = true;
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# Use our minimal theme instead of Stylix's default
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settings.theme = lib.mkForce "minimal";
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# Define minimal theme that inherits Stylix's palette but overrides syntax highlighting
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themes.minimal = minimalTheme // cfg.themeOverrides;
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settings = {
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keys.normal = {
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# Navigation (Colemak-DH)
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n = "move_char_left";
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i = "move_visual_line_down";
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e = "move_visual_line_up";
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o = "move_char_right";
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"S-tab" = "jump_backward";
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I = [ "page_cursor_half_down" "align_view_center" ];
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E = [ "page_cursor_half_up" "align_view_center" ];
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# Modes
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h = "insert_mode";
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H = "insert_at_line_start";
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l = "open_below";
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L = "open_above";
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# Search
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k = "search_next";
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K = "search_prev";
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# Selection
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C-s = "split_selection_on_newline";
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C-minus = "merge_selections";
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C-_ = "merge_consecutive_selections";
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"C-;" = "flip_selections";
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"C-:" = "ensure_selections_forward";
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"C-," = "remove_primary_selection";
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C-c = "change_selection_noyank";
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C-d = "delete_selection_noyank";
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"C-(" = "rotate_selection_contents_backward";
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"C-)" = "rotate_selection_contents_forward";
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C-x = "shrink_to_line_bounds";
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C-J = "join_selections_space";
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C-K = "remove_selections";
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C-o = "expand_selection";
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C-i = "shrink_selection";
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C-p = "select_prev_sibling";
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C-n = "select_next_sibling";
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# Misc
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"C-/" = "toggle_comments";
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"@" = ":append-output git config get user.email";
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space = {
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B = ":sh git log -n 5 --format='format:%%h (%%an: %%ar) %%s' --no-patch -L%{cursor_line},+1:%{buffer_name}";
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x = ":write-buffer-close";
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X = ":write-quit-all";
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o = ":config-open";
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h = "hover";
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k = "select_references_to_symbol_under_cursor";
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};
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g = {
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"/" = "goto_next_buffer";
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h = "goto_previous_buffer";
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n = [ "collapse_selection" "extend_to_line_start" ];
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o = [ "collapse_selection" "extend_to_line_end" ];
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e = "move_line_up";
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i = "move_line_down";
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l = "goto_last_line";
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p = "no_op";
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k = "no_op";
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j = "no_op";
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};
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m.m = [ "select_mode" "match_brackets" "normal_mode" ];
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"C-w" = {
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h = "hsplit";
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C-h = "hsplit";
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n = "jump_view_left";
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C-n = "jump_view_left";
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i = "jump_view_down";
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I = "swap_view_down";
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C-i = "jump_view_down";
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e = "jump_view_up";
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E = "swap_view_up";
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C-e = "jump_view_up";
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o = "jump_view_right";
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O = "swap_view_right";
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C-o = "jump_view_right";
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# Remove old
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s = "no_op";
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C-s = "no_op";
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H = "no_op";
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j = "no_op";
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J = "no_op";
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C-j = "no_op";
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k = "no_op";
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K = "no_op";
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C-k = "no_op";
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l = "no_op";
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L = "no_op";
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C-l = "no_op";
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};
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};
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keys.select = {
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n = "extend_char_left";
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i = "extend_line_down";
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e = "extend_line_up";
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o = "extend_char_right";
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I = [ "page_cursor_half_down" "align_view_center" ];
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E = [ "page_cursor_half_up" "align_view_center" ];
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g = {
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"/" = "goto_next_buffer";
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h = "goto_previous_buffer";
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n = "goto_line_start";
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o = "goto_line_end";
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e = "move_line_up";
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i = "move_line_down";
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l = "goto_last_line";
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p = "no_op";
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k = "no_op";
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j = "no_op";
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};
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};
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editor = {
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auto-format = true;
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auto-save = true;
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bufferline = "always";
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color-modes = true;
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completion-timeout = 5;
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cursorcolumn = true;
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cursorline = true;
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indent-heuristic = "tree-sitter";
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line-number = "relative";
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rulers = [ 120 ];
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text-width = 120;
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end-of-line-diagnostics = "hint";
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cursor-shape = {
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insert = "bar";
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normal = "block";
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select = "underline";
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};
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file-picker.hidden = false;
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indent-guides.render = true;
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inline-diagnostics = {
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cursor-line = "warning";
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other-lines = "disable";
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prefix-len = 5;
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max-diagnostics = 1;
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max-wrap = 30;
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};
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lsp = {
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display-messages = true;
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display-inlay-hints = true;
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};
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soft-wrap = {
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enable = true;
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max-wrap = 30;
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};
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statusline = {
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left = [ "mode" "file-modification-indicator" "spinner" "version-control" ];
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center = [ "file-name" ];
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right = [ "diagnostics" "selections" "register" "position" "file-encoding" ];
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mode.normal = "Normal";
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mode.insert = "Insert";
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mode.select = "Select";
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};
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whitespace.render = {
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space = "all";
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tab = "all";
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tabpad = "all";
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newline = "none";
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nbsp = "none";
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};
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whitespace.characters = {
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space = " ";
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tab = "⇀";
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tabpad = " ";
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};
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};
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};
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languages = {
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language = [
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{
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name = "go";
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debugger = {
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name = "go";
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transport = "tcp";
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command = "dlv";
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args = [ "connect" ];
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port-arg = "127.0.0.1:2345";
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templates = [{
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name = "connect";
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request = "launch";
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completion = [];
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args = {};
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}];
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};
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}
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{
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name = "markdown";
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language-servers = [ "marksman" ];
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}
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{
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name = "dart";
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formatter = { command = "dart"; args = [ "format" "-l" "120" ]; };
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language-servers = [ "dart" ];
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}
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{
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name = "nix";
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language-servers = [ "nil" ];
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}
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{
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name = "zig";
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language-servers = [ "zls" ];
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debugger = {
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name = "codelldb-dap";
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transport = "tcp";
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command = "codelldb";
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args = [];
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port-arg = "--port {}";
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templates = [
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{
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name = "launch";
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request = "launch";
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completion = [{ name = "binary"; completion = "filename"; }];
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args = { console = "internalConsole"; program = "{0}"; };
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}
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{
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name = "attach";
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request = "attach";
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completion = [ "pid" ];
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args = { console = "internalConsole"; pid = "{0}"; };
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}
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{
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name = "gdbserver attach";
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request = "attach";
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completion = [
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{ name = "lldb connect url"; default = "connect://localhost:3333"; }
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{ name = "file"; completion = "filename"; }
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"pid"
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];
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args = {
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console = "internalConsole";
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attachCommands = [
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"platform select remote-gdb-server"
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"platform connect {0}"
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"file {1}"
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"attach {2}"
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];
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};
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}
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];
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};
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}
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{
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name = "cyano";
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scope = "source.cyo";
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file-types = [ "cyo" ];
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language-servers = [ "ltex-ls" ];
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}
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];
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language-server.ltex-ls = {
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command = "ltex-ls";
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};
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};
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};
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};
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}
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