134 lines
2.6 KiB
Lua
134 lines
2.6 KiB
Lua
local widget_types = {
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arc = require("backlight/arc_widget")
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}
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local P = {}
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---
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-- Internal methods
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---
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function P:_get_status()
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awful.spawn.easy_async(
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script_dir .. "backlight get",
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function(stdout, stderr, exitreason, exitcode)
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self._ready = true
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self.brightness = tonumber(stdout)
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self:_update_widget()
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end
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)
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return true
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end
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function P:_update_widget()
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if (not self._ready) then
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self.widget:set_state("error")
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self.widget:set_value(self.max_value);
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self.widget:set_tooltip("Backlight error");
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return
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end
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self.widget:set_value(self.brightness);
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self.widget:set_tooltip("Backlight " .. self.brightness .. "u");
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self.widget:set_state("ready")
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end
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---
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-- Simple actions
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---
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function P:backlight_up()
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if (not self._ready) or (self.brightness >= self.max_value) then
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return
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end
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awful.spawn(script_dir .. "backlight up 5", false)
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self.brightness = self.brightness + 5
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if self.brightness > self.max_value then
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self.brightness = self.max_value
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end
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self:_update_widget()
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end
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function P:backlight_down()
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if (not self._ready) or (self.brightness <= self.min_value) then
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return
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end
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awful.spawn(script_dir .. "backlight down 5", false)
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self.brightness = self.brightness - 5
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if self.brightness < self.min_value then
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self.brightness = self.min_value
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end
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self:_update_widget()
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end
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function P:backlight_set(value)
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if (not self._ready) then
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return
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end
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if (value < self.min_value) then
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value = self.min_value
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end
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if (value > self.max_value) then
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value = self.max_value
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end
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awful.spawn(script_dir .. "backlight set " .. value, false)
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self.brightness = value
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self:_update_widget()
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end
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---
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-- Create new volume_interface
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---
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function P:new(args)
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-- Arguments
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b = {
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update_interval = args.update_interal or 5,
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min_value = args.min_value or 0,
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max_value = args.max_value or 100,
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widget_type = args.widget_type or "arc",
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_ready = false, -- is all the information in this class up-to-date?
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-- if this is false, ui will show an error and most methods will
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-- do nothing. Updated in _get_status()
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}
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b.widget = widget_types[b.widget_type]:new()
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b.widget.widget:connect_signal("button::press",
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function(_, _, _, button, mods)
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-- Scroll up
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if (button == 4) then
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b:backlight_up()
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-- Scroll down
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elseif (button == 5) then
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b:backlight_down()
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end
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end
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)
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setmetatable(b, self)
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self.__index = self
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-- This timer keeps mute and volume status up-to-date.
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b.timer = gears.timer {
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timeout = b.update_interval,
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call_now = true,
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autostart = true,
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callback = function()
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b:_get_status()
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end
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}
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return b
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end
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return P
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