feat(nvim): add hydra for fancy diagrams

dots/.nvim-environments/primary/config/lua/plugins/configs/hydra.lua

@@ -1,26 +1,26 @@
-local hydra = require('hydra')
+local hydra = require("hydra")
 
 -- Side Scroll
 hydra({
-    name = 'Side scroll',
+    name = "Side scroll",
     config = {
         {
-            position = 'bottom-right',
-            border = 'rounded',
+            position = "bottom-right",
+            border = "rounded",
         },
     },
-    mode = 'n',
-    body = 'z',
+    mode = "n",
+    body = "z",
     heads = {
-        { 'h', '5zh' },
-        { 'l', '5zl', { desc = '←/→' } },
-        { 'H', 'zH' },
-        { 'L', 'zL', { desc = 'half screen ←/→' } },
+        { "h", "5zh" },
+        { "l", "5zl", { desc = "←/→" } },
+        { "H", "zH" },
+        { "L", "zL", { desc = "half screen ←/→" } },
     },
 })
 
 -- Git Integration
-local gitsigns = require('gitsigns')
+local gitsigns = require("gitsigns")
 
 local hint = [[
  _J_: next hunk   _s_: stage hunk        _d_: show deleted   _b_: blame line
@@ -33,11 +33,11 @@ local hint = [[
 hydra({
     hint = hint,
     config = {
-        color = 'pink',
+        color = "pink",
         invoke_on_body = true,
         hint = {
-            position = 'bottom-right',
-            border = 'rounded',
+            position = "bottom-right",
+            border = "rounded",
         },
         on_enter = function()
             vim.bo.modifiable = false
@@ -50,68 +50,103 @@ hydra({
             gitsigns.toggle_deleted(false)
         end,
     },
-    mode = { 'n', 'x' },
-    body = '<leader>G',
+    mode = { "n", "x" },
+    body = "<leader>G",
     heads = {
         {
-            'J',
+            "J",
             function()
                 if vim.wo.diff then
-                    return ']c'
+                    return "]c"
                 end
                 vim.schedule(function()
                     gitsigns.next_hunk()
                 end)
-                return '<Ignore>'
+                return "<Ignore>"
             end,
             { expr = true },
         },
         {
-            'K',
+            "K",
             function()
                 if vim.wo.diff then
-                    return '[c'
+                    return "[c"
                 end
                 vim.schedule(function()
                     gitsigns.prev_hunk()
                 end)
-                return '<Ignore>'
+                return "<Ignore>"
             end,
             { expr = true },
         },
-        { 's', ':Gitsigns stage_hunk<CR>', { silent = true } },
-        { 'u', gitsigns.undo_stage_hunk },
-        { 'S', gitsigns.stage_buffer },
-        { 'p', gitsigns.preview_hunk },
-        { 'd', gitsigns.toggle_deleted, { nowait = true } },
-        { 'b', gitsigns.blame_line },
+        { "s", ":Gitsigns stage_hunk<CR>", { silent = true } },
+        { "u", gitsigns.undo_stage_hunk },
+        { "S", gitsigns.stage_buffer },
+        { "p", gitsigns.preview_hunk },
+        { "d", gitsigns.toggle_deleted, { nowait = true } },
+        { "b", gitsigns.blame_line },
         {
-            'B',
+            "B",
             function()
                 gitsigns.blame_line({ full = true })
             end,
         },
-        { '/', gitsigns.show, { exit = true } }, -- show the base of the file
-        { '<Enter>', '<cmd>Neogit<CR>', { exit = true } },
-        { 'q', nil, { exit = true, nowait = true } },
+        { "/", gitsigns.show, { exit = true } }, -- show the base of the file
+        { "<Enter>", "<cmd>Neogit<CR>", { exit = true } },
+        { "q", nil, { exit = true, nowait = true } },
     },
 })
 
 -- Hydra to repeat expanding windows
 hydra({
-    name = 'Window Sizing',
-    mode = 'n',
-    body = '<C-w>',
+    name = "Window Sizing",
+    mode = "n",
+    body = "<C-w>",
     config = {
         {
-            position = 'bottom-right',
-            border = 'rounded',
+            position = "bottom-right",
+            border = "rounded",
         },
     },
     heads = {
-        { '<', '2<C-w><' },
-        { '>', '2<C-w>>', { desc = '←/→' } },
-        { '+', '2<C-w>+' },
-        { '-', '2<C-w>-', { desc = '↑/↓' } },
+        { "<", "2<C-w><" },
+        { ">", "2<C-w>>", { desc = "←/→" } },
+        { "+", "2<C-w>+" },
+        { "-", "2<C-w>-", { desc = "↑/↓" } },
+    },
+})
+
+-- Hydra for diagrams
+local hint = [[
+ Arrow^^^^^^   Select region with <C-v>
+ ^ ^ _K_ ^ ^   _f_: surround it with box
+ _H_ ^ ^ _L_
+ ^ ^ _J_ ^ ^                      _<Esc>_
+]]
+
+hydra({
+    name = "Draw Diagram",
+    hint = hint,
+    config = {
+        color = "pink",
+        invoke_on_body = true,
+        hint = {
+            border = "rounded",
+        },
+        on_enter = function()
+            vim.o.virtualedit = "all"
+            vim.o.cursorline = true
+            vim.o.cursorcolumn = true
+        end,
+    },
+    mode = "n",
+    body = "<leader>D",
+    heads = {
+        { "H", "<C-v>h:VBox<CR>" },
+        { "J", "<C-v>j:VBox<CR>" },
+        { "K", "<C-v>k:VBox<CR>" },
+        { "L", "<C-v>l:VBox<CR>" },
+        { "f", ":VBox<CR>", { mode = "v" } },
+        { "<Esc>", nil, { exit = true } },
     },
 })

dots/.nvim-environments/primary/config/lua/plugins/plugins.lua

@@ -738,6 +738,8 @@ return packer.startup({
             requires = {
                 "anuvyklack/keymap-layer.nvim",
                 "lewis6991/gitsigns.nvim",
+
+                "jbyuki/venn.nvim",
             },
             config = function()
                 require("plugins.configs.hydra")