diff options
author | ache <ache@ache.one> | 2017-03-13 23:17:19 +0100 |
---|---|---|
committer | ache <ache@ache.one> | 2017-03-13 23:17:19 +0100 |
commit | 22d656903563f75678f3634964731ccf93355dfd (patch) | |
tree | e3cb6279d95c9764093072d5e946566ea6533799 /lain/widgets/contrib/redshift.lua |
Init commit
Diffstat (limited to 'lain/widgets/contrib/redshift.lua')
-rw-r--r-- | lain/widgets/contrib/redshift.lua | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lain/widgets/contrib/redshift.lua b/lain/widgets/contrib/redshift.lua new file mode 100644 index 0000000..5ed9300 --- /dev/null +++ b/lain/widgets/contrib/redshift.lua @@ -0,0 +1,79 @@ + +--[[ + + Licensed under GNU General Public License v2 + * (c) 2014, blueluke <http://github.com/blueluke> + +--]] + +local awful = require("awful") +local os = os +local spawn = awful.util.spawn_with_shell + +local setmetatable = setmetatable + +-- Redshift +-- lain.widgets.contrib.redshift +local redshift = {} + +local attached = false -- true if attached to a widget +local active = false -- true if redshift is active +local running = false -- true if redshift was initialized +local update_fnct = function() end -- Function that is run each time redshift is toggled. See redshift:attach(). + + +local function init() + -- As there is no way to determine if redshift was previously + -- toggled off (i.e Awesome on-the-fly restart), kill redshift to make sure + os.execute("pkill redshift") + -- Remove existing color adjustment + spawn("redshift -x") + -- (Re)start redshift + spawn("redshift") + running = true + active = true +end + +function redshift:toggle() + if running then + -- Sending -USR1 toggles redshift (See project website) + os.execute("pkill -USR1 redshift") + active = not active + else + init() + end + update_fnct() +end + +function redshift:off() + if running and active then + redshift:toggle() + end +end + +function redshift:on() + if not active then + redshift:toggle() + end +end + +function redshift:is_active() + return active +end + +-- Attach to a widget +-- Provides a button which toggles redshift on/off on click +-- @param widget: Widget to attach to. +-- @param fnct: Function to be run each time redshift is toggled (optional). +-- Use it to update widget text or icons on status change. +function redshift:attach(widget, fnct) + update_fnct = fnct or function() end + if not attached then + init() + attached = true + update_fnct() + end + widget:buttons(awful.util.table.join( awful.button({}, 1, function () redshift:toggle() end) )) +end + +return setmetatable(redshift, { _call = function(_, ...) return create(...) end }) |