Fix prompt UI (#46)

* Close #33 fix: default prompt border highlight

* docs: improve command formatting

* docs: Add highlights options

* Close #45 - fix: unmount nui prompt correctly

autoload/neural.vim

@@ -355,3 +355,5 @@ augroup NeuralCleanupGroup
         autocmd VimSuspend call neural#Cleanup()
     endif
 augroup END
+
+highlight NeuralPromptBorder ctermfg=172 guifg=#ff9d0a

doc/neural.txt

@@ -12,6 +12,7 @@ CONTENTS                                                      *neural-contents*
     4.2 Neural Buffer ............................. |neural-buffer|
     4.3 OpenAI .................................... |neural-openai|
     4.4 ChatGPT ................................... |neural-chatgpt|
+    4.5 Highlights ................................ |neural-highlights|
   5. API ........................................ |neural-api|
   6. Environment Variables ...................... |neural-env|
     6.1 Linux + KDE ............................. |neural-env-kde|
@@ -40,7 +41,7 @@ appropriate value. OpenAI is the default data source.
 3. Commands/Keybinds                                          *neural-commands*
 
 
-Neural                                                                 *Neural*
+`:Neural`                                                              *Neural*
 
   Prompt Neural for a response. e.g. `:Neural say hello`
 
@@ -55,7 +56,7 @@ Neural                                                                 *Neural*
   completes writing text to a buffer.
 
 
-NeuralBuffer                                                     *NeuralBuffer*
+`:NeuralBuffer`                                                  *NeuralBuffer*
 
   Create a buffer with a `neuralbuf` filetype for interacting with neural
   sources directly. This can be a useful scratch buffer and playground for code
@@ -67,7 +68,7 @@ NeuralBuffer                                                     *NeuralBuffer*
   A plug mapping `<Plug>(neural_buffer)` is defined for this.
 
 
-NeuralCompletion                                             *NeuralCompletion*
+`:NeuralCompletion`                                          *NeuralCompletion*
 
   A command for a |NeuralBuffer| (`neuralbuf` filetype) that sends all buffer
   contents to the current neural source for completion and appends the
@@ -77,7 +78,7 @@ NeuralCompletion                                             *NeuralCompletion*
   with the default: `<C-CR>`
 
 
-NeuralExplain                                                   *NeuralExplain*
+`:NeuralExplain`                                                *NeuralExplain*
 
   A |visual-mode| command for explaining the highlighted lines. The visual
   selection will be sent to the currently selected source model and the
@@ -89,7 +90,7 @@ NeuralExplain                                                   *NeuralExplain*
   A plug mapping `<Plug>(neural_explain)` is defined for this.
 
 
-NeuralStop                                                         *NeuralStop*
+`:NeuralStop`                                                      *NeuralStop*
 
   Stop any currently running Neural tasks, and immediately stop printing text
   to a Vim buffer at the first available opportunity.
@@ -405,6 +406,18 @@ g:neural.source.chatgpt.top_p                   *g:neural.source.chatgpt.top_p*
   See Also: |g:neural.source.openai.top_p|
 
 
+-------------------------------------------------------------------------------
+4.5 Highlights                                              *neural-highlights*
+
+The following highlights can be configured to change |neural|'s colors.
+
+
+`NeuralPromptBorder`                                       *NeuralPromptBorder*
+
+  Default: `ctermfg=172 guifg=#ff9d0a`
+
+  Color for the |Neural| prompt border.
+
 ===============================================================================
 5. API                                                             *neural-api*
 

lua/neural/ui.lua

@@ -1,72 +1,63 @@
--- UI module for creating the nui.nvim input popup
+-- Author: Anexon <[email protected]>
+-- Description: UI module for creating the prompt with nui.nvim input popup.
 
 local Input = require('nui.input')
 local Event = require('nui.utils.autocmd').event
 
 local UI = {}
 
+-- TODO: Expose option configuration.
+local opts = {
+    default_value = '',
+    winblend = 0,
+    style = 'rounded'
+}
+
 -- Prompts the user for input.
 --- @param title string The title of the prompt.
 --- @param on_submit function The function to call when the user submits the prompt.
 function UI.prompt(title, on_submit)
-    -- TODO: Make escape keys configurable.
-    local exit_keys = {
-        {'n', 'q',
-            function(_)
-                vim.api.nvim_command(':q')
-            end, {noremap = true},
-        },
-        {'n', '<ESC>',
-            function(_)
-                vim.api.nvim_command(':q')
-            end, {noremap = true},
-        },
-        {'i', '<ESC>',
-            function(_)
-                vim.api.nvim_command(':q')
-            end, {noremap = true},
-        },
-        {'i', '<C-c>',
-            function(_)
-                vim.api.nvim_command(':q')
-            end, {noremap = true},
-        },
-    }
-
-    -- TODO: Make prompt more configurable.
     local input = Input({
         position = {row = '85.2%', col = '50%'},
-        size = {
-            width = '51.8%',
-            height = '20%',
-        },
+        size = { width = '51.8%', height = '20%'},
         relative = 'editor',
         border = {
             highlight = 'NeuralPromptBorder',
-            style = 'rounded',
+            style = opts.style,
             text = {
                 top = title,
                 top_align = 'center',
             },
         },
         win_options = {
-            winblend = 10,
-            winhighlight = 'Normal:Normal',
+            winblend = opts.winblend,
         },
     }, {
         prompt = vim.g.neural.ui.prompt_icon .. ' ',
-        default_value = '',
+        default_value = opts.default_value,
         on_close = function() end,
         on_submit = function(value)
             on_submit(value)
         end,
     })
     input:mount()
+
+    -- Handle unmounting
     input:on(Event.BufLeave, function()
         input:unmount()
     end)
-    for _, v in ipairs(exit_keys) do
-        input:map(unpack(v))
+
+    local exit_keys = {
+        {'n', 'q'},
+        {'n', '<ESC>'},
+        {'i', '<ESC>'},
+        {'n', '<C-c>'},
+        {'i', '<C-c>'},
+    }
+    for _, key in ipairs(exit_keys) do
+        input:map(key[1], key[2], function()
+            input:unmount()
+        end, { noremap = true })
     end
 end