From ee4237dc2eab406c1becddaf40f511fa3e32b95f Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fischer@muhq.space>
Date: Fri, 3 May 2024 18:02:11 +0200
Subject: improve prompt

Present more information in a new prompt window.
Use vis:pipe to support functioning arrow keys in vis-menu.
---
 init.lua | 39 ++++++++++++++++++++++++++++-----------
 1 file changed, 28 insertions(+), 11 deletions(-)

diff --git a/init.lua b/init.lua
index 0769660..408d20c 100644
--- a/init.lua
+++ b/init.lua
@@ -31,21 +31,37 @@ end
 
 -- get a user confirmation
 -- return true if user selected yes, false otherwise
-local function confirm(path, pid)
-  local choices = 'no\nyes'
-  local prompt = path .. ' for PID '..pid .. ' exists. Edit anyway:'
-  local cmd = 'printf %s \'' .. choices .. '\' | vis-menu -b -p \'' .. prompt .. '\''
+local function prompt(path, lfile_path, pid)
+  local choices = 'a\ne\nq'
+  local msg = 'Lock file found!\n\t lock file: "' .. lfile_path .. '"\n\tfile name: ' .. path ..
+                  '\n\tprocess ID: ' .. pid
 
-  -- local status, output = vis:pipe(nil, {start = 0, finish = 0}, cmd)
-  local menu = assert(io.popen(cmd))
-  local output = menu:read('*a')
-  local _, _, status = menu:close()
+  vis:command('open')
+  local prompt_win = vis.win
+  prompt_win.file:insert(0, msg)
+  prompt_win.selection.pos = 0
+
+  vis:redraw()
+
+  local menu_prompt = '(E)dit anyway, (Q)uit, [A]bort'
+  local cmd = 'printf %s \'' .. choices .. '\' | vis-menu -b -p \'' .. menu_prompt .. '\''
+
+  local status, output = vis:pipe(prompt_win.file, {start = 0, finish = 0}, cmd)
   vis:redraw()
 
+  local result = false
   if status == 0 then
-    return 'yes' == output:sub(1, 3)
+    if output:sub(1, 1) == 'e' then
+      result = true
+    elseif output:sub(1, 1) == 'q' then
+      vis:exit(1)
+    end
   end
-  return false
+
+  -- TODO: Auto close the prompt window
+  -- Currently it fails because it is last only open window
+  -- prompt_win:close(true)
+  return result
 end
 
 local created_locks = {}
@@ -59,7 +75,8 @@ vis.events.subscribe(vis.events.FILE_OPEN, function(file)
   local lock_pid = lockfiles.create_lock_file(get_lock_dir(), lfile_path)
   if lockfiles.vis_pid == lock_pid then
     created_locks[file.path] = lfile_path
-  elseif not confirm(lfile_path, lock_pid) then
+  elseif not prompt(file.path, lfile_path, lock_pid) then
+    -- TODO: abort
     vis:exit(1)
   end
 end)
-- 
cgit v1.2.3