Init commit

7 files changed, 687 insertions, 0 deletions

diff --git a/lain/widgets/contrib/ccurr.lua b/lain/widgets/contrib/ccurr.lua
new file mode 100644
index 0000000..980e19b
--- /dev/null
+++ b/lain/widgets/contrib/ccurr.lua
@@ -0,0 +1,82 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2014, Aaron Lebo                      
+                                                  
+--]]
+
+local newtimer = require("lain.helpers").newtimer
+local json     = require("lain.util").dkjson
+
+local wibox    = require("wibox")
+
+local string   = { format = string.format }
+local tonumber = tonumber
+
+-- Crypto currencies widget
+-- lain.widgets.contrib.ccurr
+local ccurr = {}
+
+-- Currently gets
+--   * BTC/USD
+--   * DOGE/USD
+-- using Coinbase and Cryptsy APIs.
+
+-- requires   http://dkolf.de/src/dkjson-lua.fsl/home
+-- based upon http://awesome.naquadah.org/wiki/Bitcoin_Price_Widget
+
+local function get(url)
+    local f = io.popen('curl -m 5 -s "' .. url .. '"')
+    if not f then
+        return 0
+    else
+        local s = f:read("*all")
+        f:close()
+        return s
+    end
+end
+
+local function parse(j)
+    local obj, pos, err = json.decode(j, 1, nil)
+    if err then
+        return nil
+    else
+        return obj
+    end
+end
+
+local function worker(args)
+    local args     = args or {}
+    local timeout  = args.timeout  or 600
+    local btc_url  = args.btc_url  or "https://coinbase.com/api/v1/prices/buy"
+    local doge_url = args.doge_url or "http://pubapi.cryptsy.com/api.php?method=singlemarketdata&marketid=132"
+    local settings = args.settings or function() end
+
+    ccurr.widget = wibox.widget.textbox('')
+
+    local function update()
+        price_now = {
+            btc  = "N/A",
+            doge = "N/A"
+        }
+
+        btc  = parse(get(btc_url))
+        doge = parse(get(doge_url))
+
+        if btc and doge then
+            price_now.btc  = tonumber(btc["subtotal"]["amount"])
+            price_now.doge = tonumber(doge["return"]["markets"]["DOGE"]["lasttradeprice"])
+            price_now.doge = string.format("%.4f", price_now.btc * price_now.doge)
+        end
+
+        widget = ccurr.widget
+        settings()
+    end
+
+    newtimer("ccurr", timeout, update)
+
+    return ccurr.widget
+end
+
+return setmetatable(ccurr, { __call = function(_, ...) return worker(...) end })
diff --git a/lain/widgets/contrib/init.lua b/lain/widgets/contrib/init.lua
new file mode 100644
index 0000000..ccaed82
--- /dev/null
+++ b/lain/widgets/contrib/init.lua
@@ -0,0 +1,19 @@
+
+--[[
+                                                   
+     Lain                                          
+     Layouts, widgets and utilities for Awesome WM 
+                                                   
+     Users contributed widgets section             
+                                                   
+     Licensed under GNU General Public License v2  
+      * (c) 2013,      Luke Bonham                 
+                                                   
+--]]
+
+local wrequire     = require("lain.helpers").wrequire
+local setmetatable = setmetatable
+
+local widgets = { _NAME = "lain.widgets.contrib" }
+
+return setmetatable(widgets, { __index = wrequire })
diff --git a/lain/widgets/contrib/moc.lua b/lain/widgets/contrib/moc.lua
new file mode 100644
index 0000000..cfdbec7
--- /dev/null
+++ b/lain/widgets/contrib/moc.lua
@@ -0,0 +1,102 @@
+
+--[[
+                                                                  
+     Licensed under GNU General Public License v2                 
+      * (c) 2014, anticlockwise <http://github.com/anticlockwise> 
+                                                                  
+--]]
+
+local helpers = require("lain.helpers")
+local async   = require("lain.asyncshell")
+
+local escape_f = require("awful.util").escape
+local naughty  = require("naughty")
+local wibox    = require("wibox")
+
+local io     = { popen   = io.popen }
+local os     = { execute = os.execute,
+                 getenv  = os.getenv }
+local string = { format  = string.format,
+                 gmatch  = string.gmatch }
+
+local setmetatable = setmetatable
+
+local moc = {}
+
+local function worker(args)
+    local args        = args or {}
+    local timeout     = args.timeout or 2
+    local music_dir   = args.music_dir or os.getenv("HOME") .. "/Music"
+    local cover_size  = args.cover_size or 100
+    local default_art = args.default_art or ""
+    local settings    = args.settings or function() end
+
+    local mpdcover = helpers.scripts_dir .. "mpdcover"
+
+    moc.widget = wibox.widget.textbox('')
+
+    moc_notification_preset = {
+        title   = "Now playing",
+        timeout = 6
+    }
+
+    helpers.set_map("current moc track", nil)
+
+    function moc.update()
+        -- mocp -i will produce output like:
+        -- Artist: Travis
+        -- Album: The Man Who
+        -- etc.
+        async.request("mocp -i", function(f)
+            moc_now = {
+                state   = "N/A",
+                file    = "N/A",
+                artist  = "N/A",
+                title   = "N/A",
+                album   = "N/A",
+                elapsed = "N/A",
+                total   = "N/A"
+            }
+
+            for line in f:lines() do
+                for k, v in string.gmatch(line, "([%w]+):[%s](.*)$") do
+                    if k == "State" then moc_now.state = v
+                    elseif k == "File" then moc_now.file = v
+                    elseif k == "Artist" then moc_now.artist = escape_f(v)
+                    elseif k == "SongTitle" then moc_now.title = escape_f(v)
+                    elseif k == "Album" then moc_now.album = escape_f(v)
+                    elseif k == "CurrentTime" then moc_now.elapsed = escape_f(v)
+                    elseif k == "TotalTime" then moc_now.total = escape_f(v)
+                    end
+                end
+            end
+
+            moc_notification_preset.text = string.format("%s (%s) - %s\n%s", moc_now.artist,
+                                           moc_now.album, moc_now.total, moc_now.title)
+            widget = moc.widget
+            settings()
+
+            if moc_now.state == "PLAY" then
+                if moc_now.title ~= helpers.get_map("current moc track") then
+                    helpers.set_map("current moc track", moc_now.title)
+                    os.execute(string.format("%s %q %q %d %q", mpdcover, "",
+                               moc_now.file, cover_size, default_art))
+
+                    moc.id = naughty.notify({
+                        preset = moc_notification_preset,
+                        icon = "/tmp/mpdcover.png",
+                        replaces_id = moc.id,
+                    }).id
+                end
+            elseif  moc_now.state ~= "PAUSE" then
+                helpers.set_map("current moc track", nil)
+            end
+        end)
+    end
+
+    helpers.newtimer("moc", timeout, moc.update)
+
+    return setmetatable(moc, { __index = moc.widget })
+end
+
+return setmetatable(moc, { __call = function(_, ...) return worker(...) end })
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 })
diff --git a/lain/widgets/contrib/task.lua b/lain/widgets/contrib/task.lua
new file mode 100644
index 0000000..6425926
--- /dev/null
+++ b/lain/widgets/contrib/task.lua
@@ -0,0 +1,133 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, Jan Xie                         
+                                                  
+--]]
+
+local icons_dir    = require("lain.helpers").icons_dir
+
+local awful        = require("awful")
+local beautiful    = require("beautiful")
+local naughty      = require("naughty")
+
+local io           = io
+local string       = { len = string.len }
+local tonumber     = tonumber
+
+local setmetatable = setmetatable
+
+-- Taskwarrior notification
+-- lain.widgets.contrib.task
+local task = {}
+
+local task_notification = nil
+
+function task:hide()
+    if task_notification ~= nil then
+        naughty.destroy(task_notification)
+        task_notification = nil
+    end
+end
+
+function task:show()
+    task:hide()
+
+    local f, c_text
+
+    f = io.popen('task')
+    c_text = "<span font='"
+             .. task.font .. " "
+             .. task.font_size .. "'>"
+             .. f:read("*all"):gsub("\n*$", "")
+             .. "</span>"
+    f:close()
+
+    task_notification = naughty.notify({ title = "[task next]",
+                                         text = c_text,
+                                         icon = task.notify_icon,
+                                         position = task.position,
+                                         fg = task.fg,
+                                         bg = task.bg,
+                                         timeout = task.timeout,
+                                     })
+end
+
+function task:prompt_add()
+  awful.prompt.run({ prompt = "Add task: " },
+      mypromptbox[mouse.screen].widget,
+      function (...)
+          local f = io.popen("task add " .. ...)
+          c_text = "\n<span font='"
+                   .. task.font .. " "
+                   .. task.font_size .. "'>"
+                   .. f:read("*all")
+                   .. "</span>"
+          f:close()
+
+          naughty.notify({
+              text     = c_text,
+              icon     = task.notify_icon,
+              position = task.position,
+              fg       = task.fg,
+              bg       = task.bg,
+              timeout  = task.timeout,
+          })
+      end,
+      nil,
+      awful.util.getdir("cache") .. "/history_task_add")
+end
+
+function task:prompt_search()
+  awful.prompt.run({ prompt = "Search task: " },
+      mypromptbox[mouse.screen].widget,
+      function (...)
+          local f = io.popen("task " .. ...)
+          c_text = f:read("*all"):gsub(" \n*$", "")
+          f:close()
+
+          if string.len(c_text) == 0
+          then
+              c_text = "No results found."
+          else
+              c_text = "<span font='"
+                       .. task.font .. " "
+                       .. task.font_size .. "'>"
+                       .. c_text
+                       .. "</span>"
+          end
+
+          naughty.notify({
+              title    = "[task next " .. ... .. "]",
+              text     = c_text,
+              icon     = task.notify_icon,
+              position = task.position,
+              fg       = task.fg,
+              bg       = task.bg,
+              timeout  = task.timeout,
+          })
+      end,
+      nil,
+      awful.util.getdir("cache") .. "/history_task")
+end
+
+function task:attach(widget, args)
+    local args     = args or {}
+
+    task.font_size = tonumber(args.font_size) or 12
+    task.font      = beautiful.font:sub(beautiful.font:find(""),
+                     beautiful.font:find(" "))
+    task.fg        = args.fg or beautiful.fg_normal or "#FFFFFF"
+    task.bg        = args.bg or beautiful.bg_normal or "#FFFFFF"
+    task.position  = args.position or "top_right"
+    task.timeout   = args.timeout or 7
+
+    task.notify_icon = icons_dir .. "/taskwarrior/task.png"
+    task.notify_icon_small = icons_dir .. "/taskwarrior/tasksmall.png"
+
+    widget:connect_signal("mouse::enter", function () task:show() end)
+    widget:connect_signal("mouse::leave", function () task:hide() end)
+end
+
+return setmetatable(task, { __call = function(_, ...) return create(...) end })
diff --git a/lain/widgets/contrib/tpbat/init.lua b/lain/widgets/contrib/tpbat/init.lua
new file mode 100644
index 0000000..782bf35
--- /dev/null
+++ b/lain/widgets/contrib/tpbat/init.lua
@@ -0,0 +1,170 @@
+
+--[[
+                                                               
+     tpbat.lua                                                 
+     Battery status widget for ThinkPad laptops that use SMAPI 
+     lain.widgets.contrib.tpbat                                
+                                                               
+     More on tp_smapi: http://www.thinkwiki.org/wiki/Tp_smapi  
+                                                               
+     Licensed under GNU General Public License v2              
+      * (c) 2013,      Conor Heine                             
+      * (c) 2013,      Luke Bonham                             
+      * (c) 2010-2012, Peter Hofmann                           
+                                                               
+--]]
+
+local debug        = { getinfo = debug.getinfo }
+local newtimer     = require("lain.helpers").newtimer
+local first_line   = require("lain.helpers").first_line
+local beautiful    = require("beautiful")
+local naughty      = require("naughty")
+local wibox        = require("wibox")
+
+local string       = { format = string.format }
+local math         = { floor = math.floor }
+local tostring     = tostring
+local setmetatable = setmetatable
+
+package.path       = debug.getinfo(1,"S").source:match[[^@?(.*[\/])[^\/]-$]] .. "?.lua;" .. package.path
+local smapi        = require("smapi")
+
+-- ThinkPad SMAPI-enabled battery info widget
+-- lain.widgets.contrib.tpbat
+local tpbat = { }
+local tpbat_notification = nil
+
+function tpbat:hide()
+    if tpbat_notification ~= nil
+    then
+        naughty.destroy(tpbat_notification)
+        tpbat_notification = nil
+    end
+end
+
+function tpbat:show(t_out)
+    tpbat:hide()
+
+    local bat   = self.bat
+    local t_out = t_out or 0
+
+    if bat == nil or not bat:installed() then return end
+
+    local mfgr   = bat:get('manufacturer') or "no_mfgr"
+    local model  = bat:get('model') or "no_model"
+    local chem   = bat:get('chemistry') or "no_chem"
+    local status = bat:get('state') or "nil"
+    local time   = bat:remaining_time()
+    local msg    = "\t"
+
+    if status ~= "idle" and status ~= "nil"
+    then
+        if time == "N/A"
+        then
+            msg = "...Calculating time remaining..."
+        else
+            msg = time .. (status == "charging" and " until charged" or " remaining")
+        end
+    else
+        msg = "On AC Power"
+    end
+
+    local str = string.format("%s : %s %s (%s)\n", bat.name, mfgr, model, chem)
+                .. string.format("\n%s \t\t\t %s", status:upper(), msg)
+
+    tpbat_notification = naughty.notify({
+        preset = { fg = beautiful.fg_normal },
+        text = str,
+        timeout = t_out,
+        screen = client.focus and client.focus.screen or 1
+    })
+end
+
+function tpbat.register(args)
+    local args = args or {}
+    local timeout = args.timeout or 30
+    local battery = args.battery or "BAT0"
+    local settings = args.settings or function() end
+
+    tpbat.bat = smapi:battery(battery) -- Create a new battery
+    local bat = tpbat.bat
+
+    tpbat.widget = wibox.widget.textbox('')
+
+    bat_notification_low_preset = {
+        title = "Battery low",
+        text = "Plug the cable!",
+        timeout = 15,
+        fg = "#202020",
+        bg = "#CDCDCD"
+    }
+
+    bat_notification_critical_preset = {
+        title = "Battery exhausted",
+        text = "Shutdown imminent",
+        timeout = 15,
+        fg = "#000000",
+        bg = "#FFFFFF"
+    }
+
+    if bat:get('state') == nil
+    then
+        local n = naughty.notify({
+            preset = bat_notification_low_preset,
+            title = "SMAPI Battery Warning: Unable to read battery state!",
+            text = "This widget is intended for ThinkPads. Is tp_smapi installed? Check your configs & paths.",
+            screen = client.focus and client.focus.screen or 1
+        })
+    end
+
+    function update()
+        bat_now = {
+            status = "Not present",
+            perc   = "N/A",
+            time   = "N/A",
+            watt   = "N/A"
+        }
+
+        if bat:installed()
+        then
+            bat_now.status = bat:status() or "N/A"
+            bat_now.perc   = bat:percent()
+            bat_now.time   = bat:remaining_time()
+            -- bat_now.watt = string.format("%.2fW", (VOLTS * AMPS) / 1e12)
+
+            -- notifications for low and critical states (when discharging)
+            if bat_now.status == "discharging"
+            then
+                if bat_now.perc <= 5
+                then
+                    tpbat.id = naughty.notify({
+                        preset = bat_notification_critical_preset,
+                        replaces_id = tpbat.id,
+                        screen = client.focus and client.focus.screen or 1
+                    }).id
+                elseif bat_now.perc <= 15
+                then
+                    tpbat.id = naughty.notify({
+                        preset = bat_notification_low_preset,
+                        replaces_id = tpbat.id,
+                        screen = client.focus and client.focus.screen or 1
+                    }).id
+                end
+            end
+
+            bat_now.perc = tostring(bat_now.perc)
+        end
+
+        widget = tpbat.widget
+        settings()
+    end
+
+    newtimer("tpbat", timeout, update)
+
+    widget:connect_signal('mouse::enter', function () tpbat:show() end)
+    widget:connect_signal('mouse::leave', function () tpbat:hide() end)
+
+    return tpbat.widget
+end
+
+return setmetatable(tpbat, { __call = function(_, ...) return tpbat.register(...) end })
diff --git a/lain/widgets/contrib/tpbat/smapi.lua b/lain/widgets/contrib/tpbat/smapi.lua
new file mode 100644
index 0000000..c7f093e
--- /dev/null
+++ b/lain/widgets/contrib/tpbat/smapi.lua
@@ -0,0 +1,102 @@
+
+--[[
+                                                  
+     smapi.lua                                    
+     Interface with thinkpad battery information  
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, Conor Heine                     
+                                                  
+--]]
+
+local first_line   = require("lain.helpers").first_line
+
+local string       = { format = string.format }
+local tonumber     = tonumber
+local setmetatable = setmetatable
+
+local smapi = {}
+
+local apipath = "/sys/devices/platform/smapi"
+
+-- Most are readable values, but some can be written to (not implemented, yet?)
+local readable = {
+    barcoding                  = true,
+    charging_max_current       = true,
+    charging_max_voltage       = true,
+    chemistry                  = true,
+    current_avg                = true,
+    current_now                = true,
+    cycle_count                = true,
+    design_capacity            = true,
+    design_voltage             = true,
+    dump                       = true,
+    first_use_date             = true,
+    force_discharge            = false,
+    group0_voltage             = true,
+    group1_voltage             = true,
+    group2_voltage             = true,
+    group3_voltage             = true,
+    inhibit_charge_minutes     = false,
+    installed                  = true,
+    last_full_capacity         = true,
+    manufacture_date           = true,
+    manufacturer               = true,
+    model                      = true,
+    power_avg                  = true,
+    power_now                  = true,
+    remaining_capacity         = true,
+    remaining_charging_time    = true,
+    remaining_percent          = true,
+    remaining_percent_error    = true,
+    remaining_running_time     = true,
+    remaining_running_time_now = true,
+    serial                     = true,
+    start_charge_thresh        = false,
+    state                      = true,
+    stop_charge_thresh         = false,
+    temperature                = true,
+    voltage                    = true,
+}
+
+function smapi:battery(name)
+    local bat = {}
+
+    bat.name = name
+    bat.path = apipath .. "/" .. name
+
+    function bat:get(item)
+        return self.path ~= nil and readable[item] and first_line(self.path .. "/" .. item) or nil
+    end
+
+    function bat:installed()
+        return self:get("installed") == "1"
+    end
+
+    function bat:status()
+        return self:get('state')
+    end
+
+    -- Remaining time can either be time until battery dies or time until charging completes
+    function bat:remaining_time()
+        local time_val = bat_now.status == 'discharging' and 'remaining_running_time' or 'remaining_charging_time'
+        local mins_left = self:get(time_val)
+
+        if mins_left:find("^%d+") == nil
+        then
+            return "N/A"
+        end
+
+        local hrs = math.floor(mins_left / 60)
+        local min = mins_left % 60
+        return string.format("%02d:%02d", hrs, min)
+    end
+
+    function bat:percent()
+        return tonumber(self:get("remaining_percent"))
+    end
+
+    return setmetatable(bat, {__metatable = false, __newindex = false})
+end
+
+return smapi