fix bug for nvim 0.9 and add cava

README.md

@@ -97,6 +97,13 @@ require('wlsample.wind')
 ### [luffy](./lua/wlsample/airline_luffy.lua)
 ![luffy animation](https://github.com/windwp/windline.nvim/wiki/screenshot/airline_luffy.gif)
 
+### [cava]
+![cava animation](https://github.com/windwp/windline.nvim/wiki/screenshot/cava.gif)
+```lua
+-- only support linux it need install cava
+lua require("windline.components.cava").toggle()
+```
+
 ```lua
 require('wlsample.airline_luffy')
 ```
@@ -390,9 +397,3 @@ A command to benchmark current status line by rendering it 10.000 time.
 
 ## Document
 [wiki](https://github.com/windwp/windline.nvim/wiki/)
-
-## Floating window statusline (Deprecated)
-__If you are using nvim > 0.7 you should use set laststatus=3 to enable global
-statusline__
-
- [MoreInfo](https://github.com/windwp/windline.nvim/wiki/Floating-statusline)

lua/windline/components/cava.lua

@@ -0,0 +1,112 @@
+---@diagnostic disable: need-check-nil
+local windline = require('windline')
+local cava_text = "OK"
+local uv = vim.loop
+if _G._cava_stop then
+    _G._cava_stop()
+end
+
+vim.api.nvim_create_autocmd("VimLeave", {
+    pattern = "*",
+    callback = function()
+        vim.fn.system({ "pkill", '-9', "cava" })
+    end
+})
+local create_cava_colors = function(colors)
+    local HSL = require('wlanimation.utils')
+    local d_colors = {
+        "green", "blue", "yellow", "magenta", "red", "cyan"
+    }
+    local cava_colors = HSL.rgb_to_hsl(colors[d_colors[math.random(#d_colors)]]):tints(10, 8)
+    for i = 1, 8, 1 do
+        colors["cava" .. i] = cava_colors[i]:to_rgb()
+    end
+    return colors
+end
+
+local bars = { "▁", "▂", "▃", "▄", "▅", "▆", "▇", "█" }
+local cava_comp = {
+    name = "cava",
+    hl_colors = {
+        cava1 = { "cava1", "NormalBg" },
+        cava2 = { "cava2", "NormalBg" },
+        cava3 = { "cava3", "NormalBg" },
+        cava4 = { "cava4", "NormalBg" },
+        cava5 = { "cava5", "NormalBg" },
+        cava6 = { "cava6", "NormalBg" },
+        cava7 = { "cava7", "NormalBg" },
+        cava8 = { "cava8", "NormalBg" },
+    },
+    text = function()
+        local result = {}
+        for i = 1, 60, 2 do
+            local c = tonumber(cava_text:sub(i, i))
+            if c then
+                c = c + 1
+                result[#result + 1] = { bars[c], "cava" .. c }
+            end
+        end
+        -- result[#result+1] = {"%="}
+        return result
+    end,
+    click = function()
+        vim.notify("change cava colors")
+        windline.change_colors(create_cava_colors(windline.get_colors()))
+    end
+}
+
+local function run_cava()
+    local sourced_file = require('plenary.debug_utils').sourced_filepath()
+    local plugin_directory = vim.fn.fnamemodify(sourced_file, ':h:h:h:h')
+
+    vim.fn.system({ "pkill", '-9', "cava" })
+    local cava_path = vim.fn.expand(plugin_directory .. "/scripts/cava.sh")
+    local stdin = uv.new_pipe(false)
+    local stdout = uv.new_pipe(false)
+    local stderr = uv.new_pipe(false)
+    local handle = uv.spawn(cava_path,
+        { stdio = { stdin, stdout, stderr }, },
+        function() _G._cava_stop() end
+    )
+
+    uv.read_start(stdout, vim.schedule_wrap(function(_, data)
+        if data then
+            cava_text = data
+            vim.cmd.redrawstatus()
+        end
+    end))
+    _G._cava_stop = function()
+        stdin:read_stop()
+        stdin:close()
+        stdout:read_stop()
+        stdout:close()
+        stderr:read_stop()
+        stderr:close()
+        handle:close()
+        _G._cava_stop = nil
+    end
+end
+
+local M = {}
+M.is_stop = true
+
+M.toggle = function()
+    if M.is_stop then
+        run_cava()
+        windline.add_component(cava_comp, {
+            name = "cava",
+            position = "right",
+            auto_remove = true,
+            colors_name = create_cava_colors
+        })
+    else
+        vim.fn.system({ "pkill", '-9', "cava" })
+        if _G._cava_stop then
+            _G._cava_stop()
+        end
+        windline.remove_component(cava_comp)
+    end
+    M.is_stop = not M.is_stop
+end
+-- M.toggle()
+return M