Add user options + popup on cursor jump

lua/specs/init.lua

@@ -1,51 +1,75 @@
-local specs = {}
+local opts = {}
 
-function specs.show_specs(user_opts)
+local M = {}
-    local opts = user_opts or {}
 
+local old_cur
+local old_win
+
+function M.on_cursor_moved()
+    local win = vim.api.nvim_get_current_win()
+    if old_win then
+        if(win ~= old_win) then
+            M.show_specs()
+        end
+    end
+    old_win = win
+
+    local cur = vim.api.nvim_win_get_cursor(0)
+    if old_cur then
+        jump = math.abs(cur[1]-old_cur[1])
+        if jump >= opts.min_jump then
+            M.show_specs()
+        end
+    end
+    -- print(vim.inspect(cur))
+
+    old_cur = cur
+end
+
+function M.show_specs()
     local row = vim.fn.winline()-1
     local col = vim.fn.wincol()
     local bufh = vim.api.nvim_create_buf(false, true)
     win_id = vim.api.nvim_open_win(bufh, false, {
         relative='win',
-        width = opts.width*2 + 1,
+        width = opts.popup.width*2 + 1,
         height = 1, 
         col = col,
         row = row,
         style = 'minimal'
     })
-    vim.api.nvim_win_set_option(win_id, "winblend", opts.blend)
+    vim.api.nvim_win_set_option(win_id, "winblend", opts.popup.blend)
 
     local can_fade = true
     local can_resize = true
     local timer = vim.loop.new_timer()
-    vim.loop.timer_start(timer, opts.delay_ms, opts.inc_ms, vim.schedule_wrap(function()
+    vim.loop.timer_start(timer, opts.popup.delay_ms, opts.popup.inc_ms, vim.schedule_wrap(function()
         if vim.api.nvim_win_is_valid(win_id) then
-            if can_fade then can_fade = opts.fader(win_id) end
+            if can_fade then can_fade = opts.popup.fader(win_id) end
-            if can_resize then can_resize = opts.resizer(win_id) end
+            if can_resize then can_resize = opts.popup.resizer(win_id) end
             if not (can_blend or can_resize) then
                 vim.loop.close(timer)
                 vim.api.nvim_win_close(win_id, true)
-                print("Timer done")
+                -- print("Timer done")
             end
         end
     end))
 end
 
 -- Used as the default fader
-function specs.linear_fader(win_id)
+function M.linear_fader(win_id)
     local blend = vim.api.nvim_win_get_option(win_id, "winblend")
     vim.api.nvim_win_set_option(win_id, "winblend", blend+1)
     return (blend+1 < 100)
 end
 
-local function pulse_fader(win_id)
+function M.pulse_fader(win_id)
 end
 
--- local function exp_fader()
+-- function M.exp_fader()
 -- end
 
-function specs.shrink_resizer(win_id)
+function M.shrink_resizer(win_id)
     local config = vim.api.nvim_win_get_config(win_id)
     config['width'] = config['width']-1
     config['col'][false] = vim.fn.wincol()-config['width']/2
@@ -53,14 +77,30 @@ function specs.shrink_resizer(win_id)
     return (config['width']-1 > 0)
 end
 
-function specs.slide_resizer(win_id)
+function M.slide_resizer(win_id)
     local config = vim.api.nvim_win_get_config(win_id)
     config['width'] = config['width']-1
     vim.api.nvim_win_set_config(win_id, config)
     return (config['width']-1 > 0)
 end
 
--- local function exp_resizer()
+-- function M.exp_resizer()
 -- end
+--
 
-return specs
+function M.setup(user_opts)
+    opts = user_opts or {}
+    M.create_autocmds(opts)
+end
+
+function M.create_autocmds(opts)
+    vim.cmd("augroup Specs")
+    vim.cmd("autocmd!")
+    if opts.show_jumps then
+        vim.cmd("silent autocmd CursorMoved * :lua require('specs').on_cursor_moved()")
+    end
+    vim.cmd("augroup END")
+end
+
+
+return M

plugin/specs.vim

@@ -1,26 +1,13 @@
-fun! Specs()
+if !has('nvim') || exists('g:loaded_specs')
-    " remember to remove this line later ;)
+	finish
-	lua for k in pairs(package.loaded) do if k:match("^specs") then package.loaded[k] = nil end end
+endif
-	lua require('specs').show_specs({ delay_ms = 1, inc_ms = 10, blend = 10, width = 20, fader=require('specs').linear_fader, resizer=require('specs').shrink_resizer })
-endfun
 
-    " e.g:
+let g:loaded_specs = 1
-    " require('specs').specs_popup({
-    "   delay = ...,
-    "   reps = ...,
-    "   blend = ...,
-    "   width = ...,
-    "   fader    = require('specs').linear_fader(),
-    "   resizer  = require('specs').shrink_resizer()
-    "   colorizer = ...,
-    " })
 
+" fun! Specs()
+"     lua for k in pairs(package.loaded) do if k:match("^specs") then package.loaded[k] = nil end end
+" endfun
 
-    " pre-packaged opts could come as 'styles', which also have opts
+" augroup Specs
-    " themselves:
+" 	autocmd!
-    " require('specs').specs_popup(require('specs').blink_style({ }))
+" augroup END
-
-augroup Specs
-	autocmd!
-augroup END
-