externalize config of volume widget

1 files changed, 59 insertions, 51 deletions

diff --git a/volume-widget/volume.lua b/volume-widget/volume.lua
index 04f1c26..6172f5e 100644
--- a/volume-widget/volume.lua
+++ b/volume-widget/volume.lua
@@ -13,64 +13,72 @@ local wibox = require("wibox")
 local watch = require("awful.widget.watch")
 local spawn = require("awful.spawn")
 
-local secrets = require("awesome-wm-widgets.secrets")
-
 local path_to_icons = "/usr/share/icons/Arc/status/symbolic/"
 
-if secrets.volume_audio_controller == 'pulse' then
-	device_arg = '-D pulse'
-else
-	device_arg = ''
-end
+local volume_widget = {}
 
-local GET_VOLUME_CMD = 'amixer ' .. device_arg .. ' sget Master'
-local INC_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master 5%+'
-local DEC_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master 5%-'
-local TOG_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master toggle'
-
-
-local volume_widget = wibox.widget {
-    {
-        id = "icon",
-        image = path_to_icons .. "audio-volume-muted-symbolic.svg",
-        resize = false,
-        widget = wibox.widget.imagebox,
-    },
-    layout = wibox.container.margin(_, _, _, 3),
-    set_image = function(self, path)
-        self.icon.image = path
-    end
-}
-
-local update_graphic = function(widget, stdout, _, _, _)
-    local mute = string.match(stdout, "%[(o%D%D?)%]")
-    local volume = string.match(stdout, "(%d?%d?%d)%%")
-    volume = tonumber(string.format("% 3d", volume))
-    local volume_icon_name
-    if mute == "off" then volume_icon_name="audio-volume-muted-symbolic_red"
-    elseif (volume >= 0 and volume < 25) then volume_icon_name="audio-volume-muted-symbolic"
-    elseif (volume < 50) then volume_icon_name="audio-volume-low-symbolic"
-    elseif (volume < 75) then volume_icon_name="audio-volume-medium-symbolic"
-    elseif (volume <= 100) then volume_icon_name="audio-volume-high-symbolic"
+local function worker(args)
+
+    local args = args or {}
+
+    local volume_audio_controller = args.volume_audio_controller or 'pulse'
+
+    local device_arg = ''
+    if volume_audio_controller == 'pulse' then
+        device_arg = '-D pulse'
     end
-    widget.image = path_to_icons .. volume_icon_name .. ".svg"
-end
 
---[[ allows control volume level by:
-- clicking on the widget to mute/unmute
-- scrolling when cursor is over the widget
-]]
-volume_widget:connect_signal("button::press", function(_,_,_,button)
-    if (button == 4)     then awful.spawn(INC_VOLUME_CMD, false)
-    elseif (button == 5) then awful.spawn(DEC_VOLUME_CMD, false)
-    elseif (button == 1) then awful.spawn(TOG_VOLUME_CMD, false)
+    local GET_VOLUME_CMD = 'amixer ' .. device_arg .. ' sget Master'
+    local INC_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master 5%+'
+    local DEC_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master 5%-'
+    local TOG_VOLUME_CMD = 'amixer ' .. device_arg .. ' sset Master toggle'
+
+
+    volume_widget = wibox.widget {
+        {
+            id = "icon",
+            image = path_to_icons .. "audio-volume-muted-symbolic.svg",
+            resize = false,
+            widget = wibox.widget.imagebox,
+        },
+        layout = wibox.container.margin(_, _, _, 3),
+        set_image = function(self, path)
+            self.icon.image = path
+        end
+    }
+
+    local update_graphic = function(widget, stdout, _, _, _)
+        local mute = string.match(stdout, "%[(o%D%D?)%]")
+        local volume = string.match(stdout, "(%d?%d?%d)%%")
+        volume = tonumber(string.format("% 3d", volume))
+        local volume_icon_name
+        if mute == "off" then volume_icon_name="audio-volume-muted-symbolic_red"
+        elseif (volume >= 0 and volume < 25) then volume_icon_name="audio-volume-muted-symbolic"
+        elseif (volume < 50) then volume_icon_name="audio-volume-low-symbolic"
+        elseif (volume < 75) then volume_icon_name="audio-volume-medium-symbolic"
+        elseif (volume <= 100) then volume_icon_name="audio-volume-high-symbolic"
+        end
+        widget.image = path_to_icons .. volume_icon_name .. ".svg"
     end
 
-    spawn.easy_async(GET_VOLUME_CMD, function(stdout, stderr, exitreason, exitcode)
-        update_graphic(volume_widget, stdout, stderr, exitreason, exitcode)
+    --[[ allows control volume level by:
+    - clicking on the widget to mute/unmute
+    - scrolling when cursor is over the widget
+    ]]
+    volume_widget:connect_signal("button::press", function(_,_,_,button)
+        if (button == 4)     then awful.spawn(INC_VOLUME_CMD, false)
+        elseif (button == 5) then awful.spawn(DEC_VOLUME_CMD, false)
+        elseif (button == 1) then awful.spawn(TOG_VOLUME_CMD, false)
+        end
+
+        spawn.easy_async(GET_VOLUME_CMD, function(stdout, stderr, exitreason, exitcode)
+            update_graphic(volume_widget, stdout, stderr, exitreason, exitcode)
+        end)
     end)
-end)
 
-watch(GET_VOLUME_CMD, 1, update_graphic, volume_widget)
+    watch(GET_VOLUME_CMD, 1, update_graphic, volume_widget)
+
+    return volume_widget
+end
 
-return volume_widget
+return setmetatable(volume_widget, { __call = function(_, ...) return worker(...) end })