From b0a93166a8a7b4d5f099e071d740b29baa52e5e2 Mon Sep 17 00:00:00 2001
From: Stefan Otte <stefan.otte@gmail.com>
Date: Sun, 31 Dec 2023 11:45:50 +0100
Subject: [PATCH] feat: allow user to configure slide buffer options

Just supply a function that configures the buffer.
---
 CHANGELOG.md            |  1 +
 doc/presenting.txt      | 12 +++++++-----
 lua/presenting/init.lua | 12 +++++++-----
 3 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0e591c..a1a9c48 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
+- Support configuration of the slide buffer via lua functions
 - Support lua functions to for keymaps
 - Allow to disable existing keymaps by setting them to `nil`
 
diff --git a/doc/presenting.txt b/doc/presenting.txt
index 156e8c7..b8ce7ff 100644
--- a/doc/presenting.txt
+++ b/doc/presenting.txt
@@ -53,13 +53,15 @@ Default values:
       ["<CR>"] = function() Presenting.next() end,
       ["<BS>"] = function() Presenting.prev() end,
     },
+    -- A function that configures the slide buffer.
+    -- If you want custom settings write your own function that accepts a buffer id as argument.
+    configure_slide_buffer = function(buf) H.configure_slide_buffer(buf) end,
   }
 <
-# Options ~
 
 ------------------------------------------------------------------------------
 ==============================================================================
-Core functionality
+# Core functionality
 
 ------------------------------------------------------------------------------
                                                            *Presenting.toggle()*
@@ -73,7 +75,7 @@ Parameters ~
                         `Presenting.start`({separator})
 Start presenting the current buffer.
 Parameters ~
-{separator} `(string|nil)`
+{separator} `(string|nil)` Overwrite the default separator if specified.
 
 ------------------------------------------------------------------------------
                                                              *Presenting.quit()*
@@ -151,8 +153,8 @@ Return ~
 `(table)`
 
 ------------------------------------------------------------------------------
-                                                  *H.set_slide_buffer_options()*
-                      `H.set_slide_buffer_options`({buf})
+                                                    *H.configure_slide_buffer()*
+                       `H.configure_slide_buffer`({buf})
 Parameters ~
 {buf} `(integer)`
 
diff --git a/lua/presenting/init.lua b/lua/presenting/init.lua
index 7a4fc50..a529178 100644
--- a/lua/presenting/init.lua
+++ b/lua/presenting/init.lua
@@ -36,7 +36,6 @@ end
 ---
 --- Default values:
 ---@eval return MiniDoc.afterlines_to_code(MiniDoc.current.eval_section)
----@text # Options ~
 Presenting.config = {
   options = {
     -- The width of the slide buffer.
@@ -63,11 +62,14 @@ Presenting.config = {
     ["<CR>"] = function() Presenting.next() end,
     ["<BS>"] = function() Presenting.prev() end,
   },
+  -- A function that configures the slide buffer.
+  -- If you want custom settings write your own function that accepts a buffer id as argument.
+  configure_slide_buffer = function(buf) H.configure_slide_buffer(buf) end,
 }
 --minidoc_afterlines_end
 
 --- ==============================================================================
---- Core functionality
+--- # Core functionality
 
 --- Toggle presenting mode on/off for the current buffer.
 ---@param separator string|nil
@@ -80,7 +82,7 @@ Presenting.toggle = function(separator)
 end
 
 --- Start presenting the current buffer.
----@param separator string|nil
+---@param separator string|nil Overwrite the default separator if specified.
 Presenting.start = function(separator)
   if H.in_presenting_mode() then
     vim.notify("Already presenting")
@@ -282,7 +284,7 @@ H.create_slide_view = function(state)
 
   state.slide_buf = vim.api.nvim_create_buf(false, true)
   state.slide_win = vim.api.nvim_open_win(state.slide_buf, true, window_config.slide)
-  H.set_slide_buffer_options(Presenting._state.slide_buf)
+  Presenting.config.configure_slide_buffer(state.slide_buf)
   H.set_slide_keymaps(state.slide_buf, Presenting.config.keymaps)
 
   H.set_slide_content(state, 1)
@@ -308,7 +310,7 @@ H.parse_slides = function(lines, separator)
 end
 
 ---@param buf integer
-H.set_slide_buffer_options = function(buf)
+H.configure_slide_buffer = function(buf)
   -- TODO: make this configurable via config
   vim.api.nvim_buf_set_option(buf, "buftype", "nofile")
   vim.api.nvim_buf_set_option(buf, "filetype", Presenting._state.filetype)