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Better widgets

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Thomas Forgione
2018-11-28 15:31:35 +01:00
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awesome-wm-widgets/volume-widget/README.md Normal file
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# Volume widget
Simple and easy-to-install widget for Awesome Window Manager which represents the sound level: ![Volume Widget](
./vol-widget-1.png)
Note that widget uses the Arc icon theme, so it should be [installed](https://github.com/horst3180/arc-icon-theme#installation) first under **/usr/share/icons/Arc/** folder.
## Installation
- clone/copy **volume.lua** file;
- include `volume.lua` and add volume widget to your wibox in rc.lua:
```lua
require("volume")
...
s.mytasklist, -- Middle widget
{ -- Right widgets
layout = wibox.layout.fixed.horizontal,
...
volume_widget,
...
```
- _Optional step._ In Arc icon theme the muted audio level icon (![Volume-widget](./audio-volume-muted-symbolic.png)) looks like 0 level icon, which could be a bit misleading.
So I decided to use original muted icon for low audio level, and the same icon, but colored in red for muted audio level. Fortunately icons are in svg format, so you can easily recolor them with `sed`, so it would look like this (![Volume Widget](./audio-volume-muted-symbolic_red.png)):
```bash
cd /usr/share/icons/Arc/status/symbolic &&
sudo cp audio-volume-muted-symbolic.svg audio-volume-muted-symbolic_red.svg &&
sudo sed -i 's/bebebe/ed4737/g' ./audio-volume-muted-symbolic_red.svg
```
## Control volume
To mute/unmute click on the widget. To increase/decrease volume scroll up or down when mouse cursor is over the widget.
If you want to control volume level by keyboard shortcuts add following lines in shortcut section of the **rc.lua** (the commands could be slightly different depending on your PC configuration):
```lua
awful.key({ modkey}, "[", function () awful.spawn("amixer -D pulse sset Master 5%+") end, {description = "increase volume", group = "custom"}),
awful.key({ modkey}, "]", function () awful.spawn("amixer -D pulse sset Master 5%-") end, {description = "decrease volume", group = "custom"}),
awful.key({ modkey}, "\", function () awful.spawn("amixer -D pulse set Master +1 toggle") end, {description = "mute volume", group = "custom"}),
```

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-------------------------------------------------
-- Volume Widget for Awesome Window Manager
-- Shows the current volume level
-- More details could be found here:
-- https://github.com/streetturtle/awesome-wm-widgets/tree/master/volume-widget
-- @author Pavel Makhov
-- @copyright 2018 Pavel Makhov
-------------------------------------------------
local awful = require("awful")
local wibox = require("wibox")
local watch = require("awful.widget.watch")
local spawn = require("awful.spawn")
local path_to_icons = "/usr/share/icons/Arc/status/symbolic/"
local GET_VOLUME_CMD = 'amixer -D pulse sget Master'
local INC_VOLUME_CMD = 'amixer -D pulse sset Master 5%+'
local DEC_VOLUME_CMD = 'amixer -D pulse sset Master 5%-'
local TOG_VOLUME_CMD = 'amixer -D pulse 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"
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)
end
spawn.easy_async(GET_VOLUME_CMD, function(stdout, stderr, exitreason, exitcode)
update_graphic(volume_widget, stdout, stderr, exitreason, exitcode)
end)
end)
watch(GET_VOLUME_CMD, 1, update_graphic, volume_widget)
return volume_widget