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neovim-flake/modules/utility/venn.nix
2023-02-05 16:59:38 +03:00

47 lines
1.6 KiB
Nix

{
pkgs,
config,
lib,
...
}:
with lib;
with builtins; let
cfg = config.vim.utility.venn-nvim;
in {
options.vim.utility.venn-nvim = {
enable = mkEnableOption "draw ASCII diagrams in Neovim";
};
config = mkIf (cfg.enable) {
vim.startPlugins = [
"venn-nvim"
];
# TODO: https://github.com/jbyuki/venn.nvim#using-toggle-command
# add keybindings for drawing diagrams
vim.luaConfigRC.venn-nvim = nvim.dag.entryAnywhere ''
local venn = require('venn')
-- venn.nvim: enable or disable keymappings
function _G.Toggle_venn()
local venn_enabled = vim.inspect(vim.b.venn_enabled)
if venn_enabled == "nil" then
vim.b.venn_enabled = true
vim.cmd[[setlocal ve=all]]
-- draw a line on HJKL keystokes
vim.api.nvim_buf_set_keymap(0, "n", "J", "<C-v>j:VBox<CR>", {noremap = true})
vim.api.nvim_buf_set_keymap(0, "n", "K", "<C-v>k:VBox<CR>", {noremap = true})
vim.api.nvim_buf_set_keymap(0, "n", "L", "<C-v>l:VBox<CR>", {noremap = true})
vim.api.nvim_buf_set_keymap(0, "n", "H", "<C-v>h:VBox<CR>", {noremap = true})
-- draw a box by pressing "f" with visual selection
vim.api.nvim_buf_set_keymap(0, "v", "f", ":VBox<CR>", {noremap = true})
else
vim.cmd[[setlocal ve=]]
vim.cmd[[mapclear <buffer>]]
vim.b.venn_enabled = nil
end
end
-- toggle keymappings for venn using <leader>v
vim.api.nvim_set_keymap('n', '<leader>v', ":lua Toggle_venn()<CR>", { noremap = true})
'';
};
}