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240 lines
9.5 KiB
240 lines
9.5 KiB
-- This file is part of Reno desktop.
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--
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-- Reno desktop is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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--
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-- Reno desktop is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License along with Reno desktop. If not, see <https://www.gnu.org/licenses/>.
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-- Generic battery widget with support for multiple power sources, backlights and backlight control
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local awful = require("awful")
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local beautiful = require("beautiful")
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local gears = require("gears")
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local wibox = require("wibox")
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local awmtk2 = require("awmtk2")
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local syscontrol = require("syscontrol")
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local function get_virtual_icon(data)
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-- Get an icon from a cumulative total of battery percentages and current charging state
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local count = 0
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local cumulative = 0
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local name = "battery-"
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for k,v in pairs(data) do
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if type(v) == "number" then
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cumulative = cumulative + v
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count = count + 1
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end
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end
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local percentage = math.floor((cumulative/(count*100))*100)
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if percentage < 15 then
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name = name.."caution-"
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elseif percentage < 30 then
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name = name.."low-"
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elseif percentage < 60 then
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name = name.."good-"
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else
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name = name.."full-"
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end
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if data["charge"] then
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name = name.."charging-"
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end
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return beautiful[name.."symbolic"],percentage
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end
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return function(args)
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local style = awmtk2.create_style("battery",
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awmtk2.generic.status_widget,args.style)
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local templates = awmtk2.create_template_lib("battery",awmtk2.templates,args.templates)
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local t = awmtk2.build_templates(templates,style)
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-- set up popup layout
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local layout = wibox.widget({
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layout = wibox.layout.fixed.vertical,
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spacing = style.base.spacing
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})
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-- create popup
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local popup = awful.popup(t.popup(layout))
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-- create battery widget
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local battery_widget = wibox.widget(t.button({
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{
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image = beautiful["battery-missing-symbolic"],
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resize = true,
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widget = wibox.widget.imagebox,
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id = "virtual_id"
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},
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(args.percentage and {
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markup = "0%",
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id = "percentage_id",
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widget = wibox.widget.textbox
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}),
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layout = wibox.layout.fixed.horizontal,
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spacing = style.base.spacing
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}))
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-- make it possible to press the button and make it toggle the popup
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battery_widget:connect_signal("button::press",style.button.onpress)
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battery_widget:connect_signal("button::release",style.button.onrelease)
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battery_widget:connect_signal("button::press",function(self,x,y,button)
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if button == 1 then
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popup.visible = (not popup.visible)
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if popup.visible then
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popup:move_next_to(mouse.current_widget_geometry)
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end
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end
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end)
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-- map widgets to their names to make it easier to update separate components
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local widget_map = {}
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-- also map current charge state of every device to get the icon for the tray
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local percentage_map = {}
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-- {{{ Power supply devices
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local power_devices = syscontrol.power_supply.enumerate()
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for _,device in pairs(power_devices) do
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local data = syscontrol.power_supply.read_attribs(device)
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if data.type == "Battery" then
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widget_map[data.name] = wibox.widget(t.container({
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t.article({
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icon = get_virtual_icon({
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data.capacity,
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charge = data.charging
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}),
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icon_id = "battery_icon",
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title = "Battery ("..data.model..")",
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}),
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t.textbox({
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markup = ("Capacity: %d%%"):format(data.capacity),
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id = "capacity_id"
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}),
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t.textbox({
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markup = ("Quality: %.4f%%"):format(data.quality),
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id = "quality_id",
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}),
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layout = wibox.layout.fixed.vertical
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}))
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layout:add(widget_map[data.name])
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percentage_map[data.name] = data.capacity
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elseif data.type == "Mains" then
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widget_map[data.name] = wibox.widget(t.container({
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t.article({
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icon = beautiful["ac-adapter-symbolic"],
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title = "Power supply",
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}),
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t.textbox({
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markup = "Powered: "..tostring(data.online),
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id = "online_id",
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}),
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layout = wibox.layout.fixed.vertical
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}))
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layout:add(widget_map[data.name])
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percentage_map["charge"] = data.online
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end
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end
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-- "Virtual" here means a battery that displays the state of a cumulative total of all attached batteries (as if there are any devices that even have more than 1 battery)
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local function update_virtual_battery()
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local icon = battery_widget:get_children_by_id("virtual_id")[1]
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local percentage = battery_widget:get_children_by_id("percentage_id")[1]
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local capacity
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icon.image,capacity = get_virtual_icon(percentage_map)
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if percentage then
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percentage:set_markup(tostring(capacity).."%")
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end
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end
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update_virtual_battery()
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-- Update loop
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local power_update = gears.timer({
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timeout = args.power_polling or 2,
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autostart = true,
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callback = function()
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for k,v in pairs(power_devices) do
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local data,err = syscontrol.power_supply.read_attribs(v)
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if data and data.type == "Mains" then
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local w = widget_map[data.name]
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local online = w:get_children_by_id("online_id")[1]
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online:set_markup("Powered: "..tostring(data.online))
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percentage_map["charge"] = data.online
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elseif data and data.type == "Battery" then
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local w = widget_map[data.name]
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local icon = w:get_children_by_id("battery_icon")[1]
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local capacity = w:get_children_by_id("capacity_id")[1]
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local quality = w:get_children_by_id("quality_id")[1]
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icon.image = get_virtual_icon({
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data.capacity,
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charge = data.charging
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})
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capacity:set_markup(("Capacity: %d%%"):format(data.capacity))
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quality:set_markup(("Quality: %.4f%%"):format(data.quality))
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percentage_map[data.name] = data.capacity
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else
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print(err)
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end
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update_virtual_battery()
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end
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end
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})
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-- }}}
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-- {{{ Backlight
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local backlight_devices = syscontrol.backlight.enumerate()
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for k,v in pairs(backlight_devices) do
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local data = syscontrol.backlight.read_attribs(v)
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if data then
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widget_map[data.name] = wibox.widget(t.container({
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t.article({
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icon = beautiful["backlight-symbolic"],
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title = "Backlight",
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}),
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t.textbox({
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markup = "Brightness: "..tostring(data.brightness),
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id = "brightness_id"
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}),
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t.textbox({
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markup = "Max brightness: "..tostring(data.max_brightness),
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id = "max_brightness"
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}),
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(data.writable and t.slider({
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minimum = data.max_brightness*0.05,
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maximum = data.max_brightness,
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value = data.brightness,
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id = "slider"
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})),
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layout = wibox.layout.fixed.vertical
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}))
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if data.writable then
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local slider = widget_map[data.name]:get_children_by_id("slider")[1]
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slider:connect_signal("widget::redraw_needed",function(self)
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local value = self.value
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syscontrol.backlight.set_brightness(data,math.floor(value))
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end)
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end
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layout:add(widget_map[data.name])
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end
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end
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-- Update loop
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local backlight_update = gears.timer({
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timeout = args.backlight_polling or 2,
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autostart = true,
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callback = function()
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for k,v in pairs(backlight_devices) do
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local data,err = syscontrol.backlight.read_attribs(v)
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if data then
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local w = widget_map[data.name]
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local online = w:get_children_by_id("brightness_id")[1]
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online:set_markup("Brightness: "..tostring(data.brightness))
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else
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print(err)
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end
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end
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end
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})
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-- }}}
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-- We don't need this widget if we don't have anything to show
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local function count(t)
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local count = 0
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for k,v in pairs(t) do
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count = count + 1
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end
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return count
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end
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if count(widget_map) == 0 then
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backlight_update:stop()
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power_update:stop()
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return
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end
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return battery_widget
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end
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