.config/awesome/rc.lua

   1 -- Standard awesome library
   2 require("awful")
   3 require("awful.autofocus")
   4 require("awful.rules")
   5 -- Theme handling library
   6 require("beautiful")
   7 -- Notification library
   8 require("naughty")
   9
  10 require("vicious")
  11
  12 -- Load Debian menu entries
  13 require("debian.menu")
  14
  15 -- {{{ Variable definitions
  16 -- Themes define colours, icons, and wallpapers
  17 -- The default is a dark theme
  18 theme_path = "/usr/share/awesome/themes/default/theme.lua"
  19 -- Uncommment this for a lighter theme
  20 -- theme_path = "/usr/share/awesome/themes/sky/theme.lua"
  21
  22 wallpaper_cmd = { "awsetbg -t .config/awesome/bgstripes.png" }
  23
  24 -- Actually load theme
  25 beautiful.init(theme_path)
  26
  27 -- This is used later as the default terminal and editor to run.
  28 terminal = "x-terminal-emulator"
  29 editor = os.getenv("EDITOR") or "editor"
  30 editor_cmd = terminal .. " -e " .. editor
  31
  32 -- Default modkey.
  33 -- Usually, Mod4 is the key with a logo between Control and Alt.
  34 -- If you do not like this or do not have such a key,
  35 -- I suggest you to remap Mod4 to another key using xmodmap or other tools.
  36 -- However, you can use another modifier like Mod1, but it may interact with others.
  37 modkey = "Mod4"
  38
  39 -- Table of layouts to cover with awful.layout.inc, order matters.
  40 layouts =
  41 {
  42 --    awful.layout.suit.tile,
  43 --    awful.layout.suit.tile.left,
  44 --    awful.layout.suit.tile.bottom,
  45 --    awful.layout.suit.tile.top,
  46     awful.layout.suit.fair,
  47     awful.layout.suit.fair.horizontal,
  48 --    awful.layout.suit.spiral,
  49 --    awful.layout.suit.spiral.dwindle,
  50     awful.layout.suit.max,
  51 --    awful.layout.suit.max.fullscreen,
  52     awful.layout.suit.magnifier,
  53     awful.layout.suit.floating
  54 }
  55
  56 ---- Table of clients that should be set floating. The index may be either
  57 ---- the application class or instance. The instance is useful when running
  58 ---- a console app in a terminal like (Music on Console)
  59 ----    xterm -name mocp -e mocp
  60 ---- OVERRULED BY TILEDAPPS BELOW
  61 --floatapps =
  62 --{
  63 --    -- by class
  64 --    ["MPlayer"] = true,
  65 --    ["pinentry"] = true,
  66 --    ["GIMP"] = true,
  67 --    ["twinkle"] = true,
  68 --    ["Add-ons"] = true,
  69 --    ["Play stream"] = true,
  70 --    ["gscan2pdf"] = true,
  71 --}
  72 --
  73 ---- Applications that should never float, assuming everything else floats
  74 ---- (by instance)
  75 --tiledapps =
  76 --{
  77 --    ["urxvt"] = true,
  78 --}
  79 --
  80 ---- Applications that should be maximised
  81 ---- (by instance)
  82 --maxapps =
  83 --{
  84 --    ["Navigator"] = true,
  85 --    -- jpilot is -v
  86 --    ["-v"] = true,
  87 --    ["Xpdf"] = true,
  88 --    ["gscan2pdf"] = true
  89 --}
  90 --
  91 ---- Applications to be moved to a pre-defined tag by class or instance.
  92 ---- Use the screen and tags indices.
  93 --apptags =
  94 --{
  95 --    ["Navigator"] = { screen = 1, tag = 9 },
  96 --    -- jpilot is -v
  97 --    ["-v"] = { screen = 1, tag = 8 },
  98 --}
  99
 100 -- Define if we want to use titlebar on all applications.
 101 use_titlebar = false
 102 -- }}}
 103
 104 -- {{{ Tags
 105 tags = {}
 106 tags.settings = {
 107     { name = "1", layout = layouts[1] },
 108     { name = "2", layout = layouts[1] },
 109     { name = "3", layout = layouts[1] },
 110     { name = "4", layout = layouts[1] },
 111     { name = "5", layout = layouts[5] },
 112     { name = "6", layout = layouts[3] },
 113     { name = "7", layout = layouts[3] },
 114     { name = "8", layout = layouts[3] },
 115     { name = "9", layout = layouts[3] },
 116 }
 117
 118 -- Define a tag table which hold all screen tags.
 119 for s = 1, screen.count() do
 120     tags[s] = {}
 121     for i, v in ipairs(tags.settings) do
 122         tags[s][i] = tag({ name = v.name })
 123         tags[s][i].screen = s
 124         awful.tag.setproperty(tags[s][i], "layout", v.layout)
 125         awful.tag.setproperty(tags[s][i], "mwfact", v.mwfact)
 126         awful.tag.setproperty(tags[s][i], "hide",   v.hide)
 127     end
 128     tags[s][1].selected = true
 129 end
 130
 131 if screen.count() == 3 then
 132   tags[1][1].selected = false
 133   tags[1][9].selected = true
 134 end
 135 -- }}}
 136
 137 -- {{{ Menu
 138 -- Create a laucher widget and a main menu
 139 myawesomemenu = {
 140    { "manual", terminal .. " -e man awesome" },
 141    { "edit config", editor_cmd .. " " .. awful.util.getdir("config") .. "/rc.lua" },
 142    { "restart", awesome.restart },
 143    { "quit", awesome.quit }
 144 }
 145
 146 mymainmenu = awful.menu({ items = { { "awesome", myawesomemenu, beautiful.awesome_icon },
 147                                     { "Debian", debian.menu.Debian_menu.Debian },
 148                                     { "open terminal", terminal }
 149                                   }
 150                         })
 151
 152 mylauncher = awful.widget.launcher({ image = image(beautiful.awesome_icon),
 153                                      menu = mymainmenu })
 154 -- }}}
 155
 156 -- {{{ Wibox
 157
 158 -- {{{ Reusable separators
 159 spacer         = widget({ type = "textbox", name = "spacer" })
 160 separator      = widget({ type = "textbox", name = "separator" })
 161 spacer.text    = " "
 162 separator.text = "٭"
 163 -- }}}
 164
 165 ---- {{{ CPU usage and temperature
 166 ---- Widget icon
 167 --cpuicon        = widget({ type = "imagebox", name = "cpuicon" })
 168 --cpuicon.image  = image(beautiful.widget_cpu)
 169 ---- Initialize widgets
 170 --thermalwidget  = widget({ type = "textbox", name = "thermalwidget" })
 171 --cpuwidget      = awful.widget.graph({ layout = awful.widget.layout.horizontal.rightleft })
 172 ---- Graph properties
 173 --cpuwidget:set_width(50)
 174 ----cpuwidget:set_scale(false)
 175 --cpuwidget:set_max_value(100)
 176 --cpuwidget:set_background_color(beautiful.fg_off_widget)
 177 --cpuwidget:set_border_color(beautiful.border_widget)
 178 --cpuwidget:set_color(beautiful.fg_end_widget)
 179 --cpuwidget:set_gradient_angle(0)
 180 --cpuwidget:set_gradient_colors({
 181 --    beautiful.fg_end_widget,
 182 --    beautiful.fg_center_widget,
 183 --    beautiful.fg_widget })
 184 ---- Register widgets
 185 --vicious.register(cpuwidget, vicious.widgets.cpu, "$1")
 186 --vicious.register(thermalwidget, vicious.widgets.thermal, "CPU: $1°C", 19, "hwmon0")
 187 ---- }}}
 188
 189 -- Battery widget
 190 --batterywidget = widget({ type = 'progressbar', name = 'batterywidget' })
 191 --batterywidget.width = 100
 192 --batterywidget.height = 0.8
 193 --batterywidget.gap = 1
 194 --batterywidget.border_padding = 1
 195 --batterywidget.border_width = 1
 196 --batterywidget.ticks_count = 10
 197 --batterywidget.ticks_gap = 1
 198 --batterywidget.vertical = false
 199 --batterywidget:bar_properties_set('bat', {
 200 --  bg = 'black',
 201 --  fg = 'blue4',
 202 --  fg_off = 'red',
 203 --  reverse = false,
 204 --  min_value = 0,
 205 --  max_value = 100
 206 --})
 207
 208 -- Create a textclock widget
 209 mytextclock = awful.widget.textclock({ align = "right" }, "%a %d %b %H:%M:%S", 1)
 210
 211 -- Create a systray
 212 mysystray = widget({ type = "systray", align = "right" })
 213
 214 mybatterybox = widget({ type = "textbox", name = "mybatterybox", align = "right" })
 215
 216 -- Create a wibox for each screen and add it
 217 mywibox = {}
 218 mypromptbox = {}
 219 mylayoutbox = {}
 220 mytaglist = {}
 221 mytaglist.buttons = awful.util.table.join(
 222                     awful.button({ }, 1, awful.tag.viewonly),
 223                     awful.button({ modkey }, 1, awful.client.movetotag),
 224                     awful.button({ }, 3, awful.tag.viewtoggle),
 225                     awful.button({ modkey }, 3, awful.client.toggletag),
 226                     awful.button({ }, 4, awful.tag.viewnext),
 227                     awful.button({ }, 5, awful.tag.viewprev)
 228                     )
 229 mytasklist = {}
 230 mytasklist.buttons = awful.util.table.join(
 231                      awful.button({ }, 1, function (c)
 232                                               if not c:isvisible() then
 233                                                   awful.tag.viewonly(c:tags()[1])
 234                                               end
 235                                               client.focus = c
 236                                               c:raise()
 237                                           end),
 238                      awful.button({ }, 3, function ()
 239                                               if instance then
 240                                                   instance:hide()
 241                                                   instance = nil
 242                                               else
 243                                                   instance = awful.menu.clients({ width=250 })
 244                                               end
 245                                           end),
 246                      awful.button({ }, 4, function ()
 247                                               awful.client.focus.byidx(1)
 248                                               if client.focus then client.focus:raise() end
 249                                           end),
 250                      awful.button({ }, 5, function ()
 251                                               awful.client.focus.byidx(-1)
 252                                               if client.focus then client.focus:raise() end
 253                                           end))
 254
 255 for s = 1, screen.count() do
 256     -- Create a promptbox for each screen
 257     mypromptbox[s] = awful.widget.prompt({ layout = awful.widget.layout.horizontal.leftright })
 258     -- Create an imagebox widget which will contains an icon indicating which layout we're using.
 259     -- We need one layoutbox per screen.
 260     mylayoutbox[s] = awful.widget.layoutbox(s)
 261     mylayoutbox[s]:buttons(awful.util.table.join(
 262                            awful.button({ }, 1, function () awful.layout.inc(layouts, 1) end),
 263                            awful.button({ }, 3, function () awful.layout.inc(layouts, -1) end),
 264                            awful.button({ }, 4, function () awful.layout.inc(layouts, 1) end),
 265                            awful.button({ }, 5, function () awful.layout.inc(layouts, -1) end)))
 266     -- Create a taglist widget
 267     mytaglist[s] = awful.widget.taglist(s, awful.widget.taglist.label.all, mytaglist.buttons)
 268
 269     -- Create a tasklist widget
 270     mytasklist[s] = awful.widget.tasklist(function(c)
 271                                               return awful.widget.tasklist.label.currenttags(c, s)
 272                                           end, mytasklist.buttons)
 273
 274     -- Create the wibox
 275     mywibox[s] = awful.wibox({ position = "top", screen = s })
 276     -- Add widgets to the wibox - order matters
 277     mywibox[s].widgets = {
 278         {
 279 --            mylauncher,
 280             mytaglist[s],
 281             mypromptbox[s],
 282             layout = awful.widget.layout.horizontal.leftright
 283         },
 284         mylayoutbox[s],
 285         spacer,
 286         mytextclock,
 287         spacer, separator, spacer,
 288         mybatterybox,
 289 --        batterywidget,
 290 --        spacer, separator, spacer,
 291 --        cpuwidget.widget,
 292 --        spacer, separator, spacer,
 293 --        thermalwidget.widget,
 294         spacer,
 295         s == screen.count() and mysystray or nil,
 296         mytasklist[s],
 297         layout = awful.widget.layout.horizontal.rightleft
 298     }
 299 end
 300
 301 -- }}}
 302
 303 -- {{{ Mouse bindings
 304 root.buttons(awful.util.table.join(
 305     awful.button({ }, 3, function () mymainmenu:toggle() end),
 306     awful.button({ }, 4, awful.tag.viewnext),
 307     awful.button({ }, 5, awful.tag.viewprev)
 308 ))
 309 -- }}}
 310
 311 -- {{{ Key bindings
 312 globalkeys = awful.util.table.join(
 313     awful.key({ modkey,           }, "Left",   awful.tag.viewprev       ),
 314     awful.key({ modkey,           }, "Right",  awful.tag.viewnext       ),
 315     awful.key({ modkey,           }, "Escape", awful.tag.history.restore),
 316     awful.key({ modkey, "Shift"   }, "Right", function () awful.screen.focus( 1)       end),
 317     awful.key({ modkey, "Shift"   }, "Left", function () awful.screen.focus(-1)       end),
 318     awful.key({ modkey, "Shift"   }, "h",   awful.tag.viewprev       ),
 319     awful.key({ modkey, "Shift"   }, "l",  awful.tag.viewnext       ),
 320
 321     awful.key({ modkey,           }, "k",
 322         function ()
 323             awful.client.focus.byidx( 1)
 324             if client.focus then client.focus:raise() end
 325         end),
 326     awful.key({ modkey,           }, "j",
 327         function ()
 328             awful.client.focus.byidx(-1)
 329             if client.focus then client.focus:raise() end
 330         end),
 331     awful.key({ modkey,           }, "w", function () mymainmenu:show(true)        end),
 332
 333     -- Layout manipulation
 334     awful.key({ modkey, "Shift"   }, "k", function () awful.client.swap.byidx(  1) end),
 335     awful.key({ modkey, "Shift"   }, "j", function () awful.client.swap.byidx( -1) end),
 336     awful.key({ modkey, "Control" }, "k", function () awful.screen.focus( 1)       end),
 337     awful.key({ modkey, "Control" }, "j", function () awful.screen.focus(-1)       end),
 338     awful.key({ modkey,           }, "u", awful.client.urgent.jumpto),
 339     awful.key({ modkey,           }, "Tab",
 340         function ()
 341             awful.client.focus.history.previous()
 342             if client.focus then
 343                 client.focus:raise()
 344             end
 345         end),
 346
 347     -- Standard program
 348     awful.key({ modkey,           }, "Return", function () awful.util.spawn(terminal) end),
 349     awful.key({ modkey, "Control" }, "r", awesome.restart),
 350     awful.key({ modkey, "Shift"   }, "q", awesome.quit),
 351
 352     awful.key({ modkey,           }, "l",     function () awful.tag.incmwfact( 0.05)    end),
 353     awful.key({ modkey,           }, "h",     function () awful.tag.incmwfact(-0.05)    end),
 354     awful.key({ modkey, "Shift"   }, "h",     function () awful.tag.incnmaster( 1)      end),
 355     awful.key({ modkey, "Shift"   }, "l",     function () awful.tag.incnmaster(-1)      end),
 356     awful.key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1)         end),
 357     awful.key({ modkey, "Control" }, "l",     function () awful.tag.incncol(-1)         end),
 358     awful.key({ modkey,           }, "space", function () awful.layout.inc(layouts,  1) end),
 359     awful.key({ modkey, "Shift"   }, "space", function () awful.layout.inc(layouts, -1) end),
 360
 361     -- Prompt
 362     awful.key({ modkey },            "r",     function () mypromptbox[mouse.screen]:run() end),
 363
 364     awful.key({ modkey }, "x",
 365               function ()
 366                   awful.prompt.run({ prompt = "Run Lua code: " },
 367                   mypromptbox[mouse.screen].widget,
 368                   awful.util.eval, nil,
 369                   awful.util.getdir("cache") .. "/history_eval")
 370               end)
 371 )
 372
 373 clientkeys = awful.util.table.join(
 374     awful.key({ modkey,           }, "f",      function (c) c.fullscreen = not c.fullscreen  end),
 375     awful.key({ modkey, "Shift"   }, "c",      function (c) c:kill()                         end),
 376     awful.key({ modkey, "Control" }, "space",  awful.client.floating.toggle                     ),
 377     awful.key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end),
 378     awful.key({ modkey,           }, "o",      awful.client.movetoscreen                        ),
 379     awful.key({ modkey, "Shift"   }, "r",      function (c) c:redraw()                       end),
 380     awful.key({ modkey            }, "t",      awful.client.togglemarked                        ),
 381     awful.key({ modkey,           }, "n",      function (c) c.minimized = not c.minimized    end),
 382     awful.key({ modkey,           }, "m",
 383         function (c)
 384             c.maximized_horizontal = not c.maximized_horizontal
 385             c.maximized_vertical   = not c.maximized_vertical
 386         end)
 387 )
 388
 389 -- Compute the maximum number of digit we need, limited to 9
 390 keynumber = 0
 391 for s = 1, screen.count() do
 392    keynumber = math.min(9, math.max(#tags[s], keynumber));
 393 end
 394
 395 -- Bind all key numbers to tags.
 396 -- Be careful: we use keycodes to make it works on any keyboard layout.
 397 -- This should map on the top row of your keyboard, usually 1 to 9.
 398 for i = 1, keynumber do
 399     globalkeys = awful.util.table.join(globalkeys,
 400         awful.key({ modkey }, "#" .. i + 9,
 401                   function ()
 402                         local screen = mouse.screen
 403                         if tags[screen][i] then
 404                             awful.tag.viewonly(tags[screen][i])
 405                         end
 406                   end),
 407         awful.key({ modkey, "Control" }, "#" .. i + 9,
 408                   function ()
 409                       local screen = mouse.screen
 410                       if tags[screen][i] then
 411                           awful.tag.viewtoggle(tags[screen][i])
 412                       end
 413                   end),
 414         awful.key({ modkey, "Shift" }, "#" .. i + 9,
 415                   function ()
 416                       if client.focus and tags[client.focus.screen][i] then
 417                           awful.client.movetotag(tags[client.focus.screen][i])
 418                       end
 419                   end),
 420         awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9,
 421                   function ()
 422                       if client.focus and tags[client.focus.screen][i] then
 423                           awful.client.toggletag(tags[client.focus.screen][i])
 424                       end
 425                   end))
 426 end
 427
 428 clientbuttons = awful.util.table.join(
 429     awful.button({ }, 1, function (c) client.focus = c; c:raise() end),
 430     awful.button({ modkey }, 1, awful.mouse.client.move),
 431     awful.button({ modkey }, 3, awful.mouse.client.resize))
 432
 433 cmdmodkey = "Mod3"
 434
 435 -- xmms2 & sound
 436 globalkeys = awful.util.table.join(globalkeys,
 437   awful.key({ cmdmodkey }, "Prior", function () awful.util.spawn("amixer set Master 2+") end),
 438   awful.key({ cmdmodkey }, "Next", function () awful.util.spawn("amixer set Master 2-") end),
 439   awful.key({ cmdmodkey }, "Up", function () awful.util.spawn("amixer set PCM 2+") end),
 440   awful.key({ cmdmodkey }, "Down", function () awful.util.spawn("amixer set PCM 2-") end),
 441   awful.key({ cmdmodkey }, "Home", function () awful.util.spawn("amixer set Mic toggle") end),
 442   awful.key({ cmdmodkey }, "End", function () awful.util.spawn("amixer set Master toggle") end),
 443   awful.key({ cmdmodkey }, "Left", function () awful.util.spawn("nyxmms2 prev") end),
 444   awful.key({ cmdmodkey }, "Right", function () awful.util.spawn("nyxmms2 next") end),
 445   awful.key({ cmdmodkey }, "space", function () awful.util.spawn("nyxmms2 toggleplay") end),
 446   awful.key({ cmdmodkey }, "backslash", function ()
 447     local f = io.popen('nyxmms2 status', 'r')
 448     naughty.notify({ title = "Now playing", text = f:read(), timeout = 5 })
 449     f:close()
 450   end),
 451   awful.key({ cmdmodkey, "Shift" }, "backslash", function ()
 452     local f = io.popen('nyxmms2 list', 'r')
 453     naughty.notify({ title = "Playlist", text = f:read("*a"), timeout = 15 })
 454     f:close()
 455   end)
 456 )
 457
 458 -- misc apps
 459 globalkeys = awful.util.table.join(globalkeys,
 460   awful.key({ cmdmodkey }, "n", function () awful.util.spawn("sensible-browser") end),
 461   awful.key({ cmdmodkey }, "m", function () awful.util.spawn(terminal .. " -e mutt -f =store") end),
 462   awful.key({ cmdmodkey }, "t", function () awful.util.spawn(terminal) end),
 463   awful.key({ cmdmodkey }, "c", function () awful.util.spawn(terminal .. " -e python") end),
 464   awful.key({ cmdmodkey }, "r", function () mypromptbox[mouse.screen]:run() end),
 465   awful.key({ cmdmodkey }, "j", function () awful.util.spawn("jpilot") end),
 466   awful.key({ cmdmodkey }, "i", function () awful.util.spawn(terminal .. " -title irc -name irc -e ssh -Snone -t irc screen -dr irc") end),
 467   awful.key({ cmdmodkey }, "x", function () awful.util.spawn_with_shell("/sbin/start-stop-daemon --start --background --exec /usr/bin/xscreensaver; xscreensaver-command -lock") end),
 468   awful.key({ cmdmodkey, "Shift" }, "x", function () awful.util.spawn("xscreensaver-command -exit") end),
 469   awful.key(nil, "XF86ScreenSaver", function () awful.util.spawn("xset dpms force off") end)
 470 )
 471
 472 -- Set keys
 473 root.keys(globalkeys)
 474 -- }}}
 475
 476 -- {{{ Rules
 477 awful.rules.rules = {
 478     -- All clients will match this rule.
 479     { rule = { },
 480       properties = { border_width = beautiful.border_width,
 481                      border_color = beautiful.border_normal,
 482                      focus = true,
 483                      floating = true,
 484                      keys = clientkeys,
 485                      buttons = clientbuttons },
 486       callback = awful.placement.centered },
 487     { rule = { class = "URxvt" },
 488       properties = { floating = false } },
 489     { rule = { class = "URxvt", instance = "irc" },
 490       properties = { floating = false, tag = tags[screen.count()][screen.count() == 1 and 2 or 1], switchtotag = true } },
 491     { rule = { class = "Iceweasel" },
 492       properties = { tag = tags[screen.count() == 3 and 1 or screen.count()][9], switchtotag = false, floating = false } },
 493     { rule = { class = "Iceweasel", instance = "Dialog" },
 494       properties = { floating = true } },
 495     { rule = { class = "Jpilot" },
 496       properties = { tag = tags[screen.count() == 3 and 1 or screen.count()][8], switchtotag = true, floating = false } },
 497 }
 498 -- }}}
 499
 500 -- {{{ Signals
 501 -- Signal function to execute when a new client appears.
 502 client.add_signal("manage", function (c, startup)
 503     -- Add a titlebar
 504     -- awful.titlebar.add(c, { modkey = modkey })
 505
 506     -- Enable sloppy focus
 507     c:add_signal("mouse::enter", function(c)
 508         if awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
 509             and awful.client.focus.filter(c) then
 510             client.focus = c
 511         end
 512     end)
 513
 514     if not startup then
 515         -- Set the windows at the slave,
 516         -- i.e. put it at the end of others instead of setting it master.
 517         -- awful.client.setslave(c)
 518
 519         -- Put windows in a smart way, only if they does not set an initial position.
 520         if not c.size_hints.user_position and not c.size_hints.program_position then
 521             --awful.placement.center_vertical(c)
 522             --awful.placement.center_horizontal(c)
 523             awful.placement.no_overlap(c)
 524             awful.placement.no_offscreen(c)
 525         end
 526     end
 527     c.size_hints_honor = false
 528 end)
 529
 530 client.add_signal("focus", function(c) c.border_color = beautiful.border_focus end)
 531 client.add_signal("unfocus", function(c) c.border_color = beautiful.border_normal end)
 532
 533 -- Hook called every sixty seconds
 534 function hook_battery()
 535     mybatterybox.text = " " .. get_acpibatt() .. " "
 536 end
 537 -- }}}
 538
 539 -- {{{ Statusbar battery
 540 --
 541 function get_acpibatt()
 542     local f = io.popen('acpi -b', 'r')
 543     if not f then
 544       return "acpi -b failed"
 545     end
 546
 547     local s = f:read('*l')
 548     f:close()
 549     if not s then
 550       return '-';
 551     end
 552
 553     -- Battery 0: Discharging, 89%, 00:02:14 remaining
 554     -- Battery 0: Charging, 58%, 00:02:14 until charged
 555     -- Battery 0: Full, 100%
 556     -- so find the first bit first and then go look for the time
 557     local st, en, status, percent = string.find(s, '%a+%s%d:%s(%a+),%s(%d+%%)');
 558     local st, en, time = string.find(s, ',%s(%d+:%d+):%d+%s%a+', en);
 559
 560     if not status or not percent then -- time can be empty if we're full
 561       return "couldn't parse line " .. s
 562     end
 563
 564     if not time then
 565       return percent
 566     end
 567
 568     if status == 'Charging' then
 569       return '↑ ' .. percent;
 570     elseif status == 'Discharging' then
 571       return '↓ '.. time;
 572     else
 573       return '';
 574     end
 575 end
 576 t = timer({ timeout = 20 })
 577 t:add_signal('timeout', hook_battery)
 578 t:start()
 579 hook_battery()
 580 -- }}}
 581
 582 --{{{ batt hook
 583 local function get_bat()
 584   local a = io.open("/sys/class/power_supply/BAT1/charge_full")
 585   for line in a:lines() do
 586     full = line
 587   end
 588   a:close()
 589   local b = io.open("/sys/class/power_supply/BAT1/charge_now")
 590   for line in b:lines() do
 591     now = line
 592   end
 593   b:close()
 594   batt=math.floor(now*100/full)
 595   batterywidget:bar_data_add("bat",batt )
 596 end
 597 -- awful.hooks.timer.register(5, get_bat)
 598 --}}}