Merge pull request #9 from desdic/dev

feat: edit register before using them

README.md

@@ -1,6 +1,6 @@
 # Macrothis.nvim
 
-Macrothis.nvim was created since I had a basic need for storing and loading macros. A side effect is that it works on all registers.
+Macrothis.nvim was created since I had a basic need for storing and loading macros. A side effect is that it works on all registers. It does most operations on register.
 
 Works with or without telescope.
 
@@ -24,6 +24,7 @@ Works with or without telescope.
         { "<Leader>kkq", function() require('macrothis').quickfix() end, desc = "run macro on all files in quickfix" },
         { "<Leader>kkr", function() require('macrothis').run() end, desc = "run macro" },
         { "<Leader>kks", function() require('macrothis').save() end, desc = "save" }
+        { "<Leader>kkx", function() require('macrothis').register() end, desc = "edit register" }
     }
 },
 ```
@@ -61,6 +62,7 @@ require("telescope").extensions = {
 | &lt;C-q&gt; | Run macro on files in quickfix list |
 | &lt;C-r&gt; | Run macro |
 | &lt;C-s&gt; | Save a macro/register |
+| &lt;C-x&gt; | Edit register |
 
 Shortcuts, sorters and more can be overridden via telescope options for this plugin.
 

doc/macrothis.txt

@@ -43,6 +43,13 @@ Using Lazy plugin manager
                 require('macrothis').run()
             end,
             desc = "run macro"
+        },
+        {
+            "<Leader>kkx",
+            function()
+                require('macrothis').register()
+            end,
+            desc = "edit register"
         }
     }
 },
@@ -104,6 +111,14 @@ Rename macro
 Usage~
 `require('macrothis').rename()`
 
+------------------------------------------------------------------------------
+                                                          *macrothis.register()*
+                             `macrothis.register`()
+Modify register
+
+Usage~
+require('macrothis').register()
+
 ------------------------------------------------------------------------------
                                                                        *default*
                                    `default`
@@ -138,6 +153,7 @@ Default telescope options
           rename = "<C-n>",
           edit = "<C-e>",
           quickfix = "<C-q>",
+          register = "<C-x>",
       },
       sorter = sorters.get_generic_fuzzy_sorter,
       items_display = {

lua/macrothis/init.lua

@@ -39,6 +39,13 @@
 ---                 require('macrothis').run()
 ---             end,
 ---             desc = "run macro"
+---         },
+---         {
+---             "<Leader>kkx",
+---             function()
+---                 require('macrothis').register()
+---             end,
+---             desc = "edit register"
 ---         }
 ---     }
 --- },
@@ -232,7 +239,8 @@ macrothis.edit = function()
         end,
     }, function(description, _)
         if description then
-            local bufnr = utils.create_edit_window(macrothis.opts, description.label)
+            local bufnr =
+                utils.create_edit_window(macrothis.opts, description.label)
 
             local winopts = utils.get_winopts(macrothis.opts)
             vim.api.nvim_open_win(bufnr, true, winopts)
@@ -270,6 +278,33 @@ macrothis.rename = function()
     end)
 end
 
+--- Modify register
+---
+---@usage require('macrothis').register()
+macrothis.register = function()
+    local registers = macrothis.generate_register_items()
+    vim.ui.select(registers, {
+        prompt = "Edit register",
+        format_item = function(item)
+            return ("%s: %s: %s"):format(item.label, item.value, item.type)
+        end,
+    }, function(register, _)
+        if register then
+            local bufnr = utils.create_edit_register(register.label)
+
+            local winopts = utils.get_winopts(macrothis.opts)
+            vim.api.nvim_open_win(bufnr, true, winopts)
+            vim.api.nvim_win_set_buf(0, bufnr)
+
+            vim.api.nvim_feedkeys(
+                vim.api.nvim_replace_termcodes("<ESC>", true, false, true),
+                "n",
+                false
+            )
+        end
+    end)
+end
+
 local generate_register_list = function()
     local registers_table = { '"', "-", "#", "=", "/", "*", "+", ":", ".", "%" }
 

lua/macrothis/utils.lua

@@ -98,6 +98,46 @@ utils.get_winopts = function(opts)
     return winopts
 end
 
+utils.create_edit_register = function(register)
+    local bufnr = vim.api.nvim_create_buf(false, true)
+
+    local entrycontent = vim.fn.getreg(register)
+    local entrytype = vim.fn.getregtype(register)
+
+    entrycontent = type(entrycontent) == "string"
+            and entrycontent:gsub("\n", "\\n")
+        or entrycontent
+
+    vim.api.nvim_buf_set_lines(bufnr, 0, 0, true, { entrycontent })
+
+    vim.api.nvim_buf_set_option(bufnr, "modifiable", true)
+    vim.api.nvim_buf_set_option(bufnr, "buftype", "nofile")
+    vim.api.nvim_buf_set_name(bufnr, "editing " .. register)
+
+    vim.api.nvim_create_autocmd({ "BufWinLeave" }, {
+        callback = function(bufopts)
+            local bufcontent =
+                vim.api.nvim_buf_get_lines(bufopts.buf, 0, -1, true)
+
+            bufcontent = table.concat(bufcontent, "")
+
+            -- Re-add newlines
+            local newcontent = bufcontent:gsub("\\n", "\n")
+
+            vim.fn.setreg(register, newcontent, entrytype)
+
+            vim.api.nvim_buf_set_option(bufnr, "modifiable", false)
+            vim.api.nvim_win_close(0, true)
+            vim.schedule(function()
+                vim.cmd("bdelete! " .. bufnr)
+            end)
+        end,
+        buffer = bufnr,
+    })
+
+    return bufnr
+end
+
 utils.create_edit_window = function(opts, description)
     local data = utils.read_data(opts)
 

lua/telescope/_extensions/macrothis.lua

@@ -23,6 +23,7 @@ local default_telescope = {
         rename = "<C-n>",
         edit = "<C-e>",
         quickfix = "<C-q>",
+        register = "<C-x>",
     },
     sorter = sorters.get_generic_fuzzy_sorter,
     items_display = {
@@ -259,6 +260,51 @@ local edit_macro = function(prompt_bufnr)
     vim.api.nvim_win_set_buf(0, bufnr)
 end
 
+local edit_register = function(_)
+    local opts = macrothis.telescope_config.opts
+    opts["ngram_len"] = 1 -- make sure we sort based on register name which is only one char
+
+    pickers
+        .new({}, {
+            prompt_title = "Edit register",
+            finder = generate_new_finder_registers(),
+            sorter = macrothis.telescope_config.sorter(opts),
+            attach_mappings = function(_, map)
+                map(
+                    "i",
+                    macrothis.telescope_config.mappings.load,
+                    function(prompt_bufnr)
+                        local selected_register =
+                            action_state.get_selected_entry()
+
+                        local bufnr = utils.create_edit_register(
+                            selected_register.value.label
+                        )
+
+                        actions.close(prompt_bufnr)
+
+                        local winopts = utils.get_winopts(macrothis.opts)
+                        vim.api.nvim_open_win(bufnr, true, winopts)
+                        vim.api.nvim_win_set_buf(0, bufnr)
+
+                        vim.api.nvim_feedkeys(
+                            vim.api.nvim_replace_termcodes(
+                                "<ESC>",
+                                true,
+                                false,
+                                true
+                            ),
+                            "n",
+                            false
+                        )
+                    end
+                )
+                return true
+            end,
+        })
+        :find()
+end
+
 local run = function(opts)
     macrothis.telescope_config.opts = opts
     local picker = pickers.new(opts, {
@@ -277,6 +323,11 @@ local run = function(opts)
             )
             map("i", macrothis.telescope_config.mappings.rename, rename_macro)
             map("i", macrothis.telescope_config.mappings.edit, edit_macro)
+            map(
+                "i",
+                macrothis.telescope_config.mappings.register,
+                edit_register
+            )
             return true
         end,
     })