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-rw-r--r--brightness-widget/brightness.lua20
1 files changed, 20 insertions, 0 deletions
diff --git a/brightness-widget/brightness.lua b/brightness-widget/brightness.lua
index 052c56b..f222adc 100644
--- a/brightness-widget/brightness.lua
+++ b/brightness-widget/brightness.lua
@@ -41,6 +41,7 @@ local function worker(user_args)
local program = args.program or 'light'
local step = args.step or 5
local base = args.base or 20
+ local level = 0 -- current brightness value
if program == 'light' then
get_brightness_cmd = 'light -G'
set_brightness_cmd = 'light -S ' -- <level>
@@ -108,16 +109,34 @@ local function worker(user_args)
local update_widget = function(widget, stdout, _, _, _)
local brightness_level = tonumber(string.format("%.0f", stdout))
+ level = brightness_level
widget:set_value(brightness_level)
end
function brightness_widget:set(value)
+ level = value
spawn.easy_async(set_brightness_cmd .. value, function()
spawn.easy_async(get_brightness_cmd, function(out)
update_widget(brightness_widget.widget, out)
end)
end)
end
+ local old_level = 0
+ function brightness_widget:toggle()
+ if old_level < 0.1 then
+ -- avoid toggling between '0' and 'almost 0'
+ old_level = 1
+ end
+ if level < 0.1 then
+ -- restore previous level
+ level = old_level
+ else
+ -- save current brightness for later
+ old_level = level
+ level = 0
+ end
+ brightness_widget:set(level)
+ end
function brightness_widget:inc()
spawn.easy_async(inc_brightness_cmd, function()
spawn.easy_async(get_brightness_cmd, function(out)
@@ -136,6 +155,7 @@ local function worker(user_args)
brightness_widget.widget:buttons(
awful.util.table.join(
awful.button({}, 1, function() brightness_widget:set(base) end),
+ awful.button({}, 3, function() brightness_widget:toggle() end),
awful.button({}, 4, function() brightness_widget:inc() end),
awful.button({}, 5, function() brightness_widget:dec() end)
)