rc.lua

-- Standard awesome library
local gears = require("gears")
local awful = require("awful")
awful.rules = require("awful.rules")
require("awful.autofocus")
-- Widget and layout library
local wibox = require("wibox")
-- Theme handling library
local beautiful = require("beautiful")
-- Notification library
local naughty = require("naughty")
local menubar = require("menubar")

require("error_handler")

-- {{{ Variable definitions
-- Themes define colours, icons, and wallpapers
-- beautiful.init("/usr/share/awesome/themes/default/theme.lua")
beautiful.init( awful.util.getdir("config") .. "/themes/theme.lua")

-- This is used later as the default terminal and editor to run.
terminal = "urxvt"
editor = os.getenv("EDITOR") or "nano"
editor_cmd = terminal .. " -e " .. editor

-- Default modkey.
-- Usually, Mod4 is the key with a logo between Control and Alt.
-- If you do not like this or do not have such a key,
-- I suggest you to remap Mod4 to another key using xmodmap or other tools.
-- However, you can use another modifier like Mod1, but it may interact with others.
modkey = "Mod4"

-- Table of layouts to cover with awful.layout.inc, order matters.
layouts =
{
--    awful.layout.suit.floating,
    awful.layout.suit.tile,
--    awful.layout.suit.tile.left,
    awful.layout.suit.tile.bottom,
--    awful.layout.suit.tile.top,
    awful.layout.suit.fair,
    awful.layout.suit.fair.horizontal,
--    awful.layout.suit.spiral,
--    awful.layout.suit.spiral.dwindle,
    awful.layout.suit.max,
--    awful.layout.suit.max.fullscreen,
    awful.layout.suit.magnifier
}
-- }}}

-- {{{ Wallpaper
if beautiful.wallpaper then
    for s = 1, screen.count() do
        gears.wallpaper.maximized(beautiful.wallpaper, s, true)
    end
end
-- }}}

-- {{{ Tags
-- Define a tag table which hold all screen tags.
tags = {}
for s = 1, screen.count() do
    -- Each screen has its own tag table.
    tags[s] = awful.tag({ 1, 2, 3, 4, 5, 6, 7, 8, 9 }, s, layouts[1])
end
-- }}}

-- Menubar configuration
menubar.utils.terminal = terminal -- Set the terminal for applications that require it
-- }}}

-- {{{ Wibox
-- Create a wibox for each screen and add it
local tpanel = require("toppanel")
panels = {}
for s = 1, screen.count() do
   panels[s] = tpanel.add_to_screen(s)
end
-- }}}

local mymainmenu = require("menu")

-- {{{ Mouse bindings
root.buttons(awful.util.table.join(
    awful.button({ }, 3, function () mymainmenu:toggle() end),
    awful.button({ }, 4, awful.tag.viewnext),
    awful.button({ }, 5, awful.tag.viewprev)
))
-- }}}

-- {{{ Key bindings
globalkeys = awful.util.table.join(
    awful.key({ modkey,           }, "Left",   awful.tag.viewprev       ),
    awful.key({ modkey,           }, "Right",  awful.tag.viewnext       ),
    awful.key({ modkey,           }, "Escape", awful.tag.history.restore),

    awful.key({ modkey,           }, "j",
        function ()
            awful.client.focus.byidx( 1)
            if client.focus then client.focus:raise() end
        end),
    awful.key({ modkey,           }, "k",
        function ()
            awful.client.focus.byidx(-1)
            if client.focus then client.focus:raise() end
        end),
    awful.key({ modkey,           }, "w", function () tpanel.mainmenu:show() end),

    -- Layout manipulation
    awful.key({ modkey, "Shift"   }, "j", function () awful.client.swap.byidx(  1)    end),
    awful.key({ modkey, "Shift"   }, "k", function () awful.client.swap.byidx( -1)    end),
    awful.key({ modkey, "Control" }, "j", function () awful.screen.focus_relative( 1) end),
    awful.key({ modkey, "Control" }, "k", function () awful.screen.focus_relative(-1) end),
    awful.key({ modkey,           }, "u", awful.client.urgent.jumpto),
    awful.key({ modkey,           }, "Tab",
        function ()
            awful.client.focus.history.previous()
            if client.focus then
                client.focus:raise()
            end
        end),

    -- Standard program
    awful.key({ modkey,           }, "Return", function () awful.util.spawn(terminal) end),
    awful.key({ modkey, "Control" }, "r", awesome.restart),
    awful.key({ modkey, "Shift"   }, "q", awesome.quit),

    awful.key({ modkey,           }, "l",     function () awful.tag.incmwfact( 0.05)    end),
    awful.key({ modkey,           }, "h",     function () awful.tag.incmwfact(-0.05)    end),
    awful.key({ modkey, "Shift"   }, "h",     function () awful.tag.incnmaster( 1)      end),
    awful.key({ modkey, "Shift"   }, "l",     function () awful.tag.incnmaster(-1)      end),
    awful.key({ modkey, "Control" }, "h",     function () awful.tag.incncol( 1)         end),
    awful.key({ modkey, "Control" }, "l",     function () awful.tag.incncol(-1)         end),
    awful.key({ modkey,           }, "space", function () awful.layout.inc(layouts,  1) end),
    awful.key({ modkey, "Shift"   }, "space", function () awful.layout.inc(layouts, -1) end),

    awful.key({ modkey, "Control" }, "n", awful.client.restore),

    -- Prompt
    awful.key({ modkey },            "r",     function () panels[mouse.screen].promptbox:run() end),

    awful.key({ modkey }, "x",
              function ()
                  awful.prompt.run({ prompt = "Run Lua code: " },
                  panels[mouse.screen].promptbox.widget,
                  awful.util.eval, nil,
                  awful.util.getdir("cache") .. "/history_eval")
              end),
    -- Menubar
    awful.key({ modkey }, "p", function() menubar.show() end)
)

clientkeys = awful.util.table.join(
    awful.key({ modkey,           }, "f",      function (c) c.fullscreen = not c.fullscreen  end),
    awful.key({ modkey, "Shift"   }, "c",      function (c) c:kill()                         end),
    awful.key({ modkey, "Control" }, "space",  awful.client.floating.toggle                     ),
    awful.key({ modkey, "Control" }, "Return", function (c) c:swap(awful.client.getmaster()) end),
    awful.key({ modkey,           }, "o",      awful.client.movetoscreen                        ),
    awful.key({ modkey,           }, "t",      function (c) c.ontop = not c.ontop            end),
    awful.key({ modkey,           }, "n",
        function (c)
            -- The client currently has the input focus, so it cannot be
            -- minimized, since minimized clients can't have the focus.
            c.minimized = true
        end),
    awful.key({ modkey,           }, "m",
        function (c)
            c.maximized_horizontal = not c.maximized_horizontal
            c.maximized_vertical   = not c.maximized_vertical
        end)
)

-- Compute the maximum number of digit we need, limited to 9
keynumber = 0
for s = 1, screen.count() do
   keynumber = math.min(9, math.max(#tags[s], keynumber))
end

-- Bind all key numbers to tags.
-- Be careful: we use keycodes to make it works on any keyboard layout.
-- This should map on the top row of your keyboard, usually 1 to 9.
for i = 1, keynumber do
    globalkeys = awful.util.table.join(globalkeys,
        awful.key({ modkey }, "#" .. i + 9,
                  function ()
                        local screen = mouse.screen
                        if tags[screen][i] then
                            awful.tag.viewonly(tags[screen][i])
                        end
                  end),
        awful.key({ modkey, "Control" }, "#" .. i + 9,
                  function ()
                      local screen = mouse.screen
                      if tags[screen][i] then
                          awful.tag.viewtoggle(tags[screen][i])
                      end
                  end),
        awful.key({ modkey, "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus and tags[client.focus.screen][i] then
                          awful.client.movetotag(tags[client.focus.screen][i])
                      end
                  end),
        awful.key({ modkey, "Control", "Shift" }, "#" .. i + 9,
                  function ()
                      if client.focus and tags[client.focus.screen][i] then
                          awful.client.toggletag(tags[client.focus.screen][i])
                      end
                  end))
end

clientbuttons = awful.util.table.join(
    awful.button({ }, 1, function (c) client.focus = c; c:raise() end),
    awful.button({ modkey }, 1, awful.mouse.client.move),
    awful.button({ modkey }, 3, awful.mouse.client.resize))

-- Set keys
root.keys(globalkeys)
-- }}}

-- {{{ Rules
awful.rules.rules = {
    -- All clients will match this rule.
    { rule = { },
      properties = { border_width = beautiful.border_width,
                     border_color = beautiful.border_normal,
                     focus = awful.client.focus.filter,
                     keys = clientkeys,
                     buttons = clientbuttons } },
    { rule = { class = "MPlayer" },
      properties = { floating = true } },
    { rule = { class = "pinentry" },
      properties = { floating = true } },
    { rule = { class = "gimp" },
      properties = { floating = true } },
    -- Set Firefox to always map on tags number 2 of screen 1.
    -- { rule = { class = "Firefox" },
    --   properties = { tag = tags[1][2] } },
}
-- }}}

-- {{{ Signals
-- Signal function to execute when a new client appears.
client.connect_signal("manage", function (c, startup)
    -- Enable sloppy focus
    c:connect_signal("mouse::enter", function(c)
        if awful.layout.get(c.screen) ~= awful.layout.suit.magnifier
            and awful.client.focus.filter(c) then
            client.focus = c
        end
    end)

    if not startup then
        -- Set the windows at the slave,
        -- i.e. put it at the end of others instead of setting it master.
        -- awful.client.setslave(c)

        -- Put windows in a smart way, only if they does not set an initial position.
        if not c.size_hints.user_position and not c.size_hints.program_position then
            awful.placement.no_overlap(c)
            awful.placement.no_offscreen(c)
        end
    end

    local titlebars_enabled = false
    if titlebars_enabled and (c.type == "normal" or c.type == "dialog") then
        -- Widgets that are aligned to the left
        local left_layout = wibox.layout.fixed.horizontal()
        left_layout:add(awful.titlebar.widget.iconwidget(c))

        -- Widgets that are aligned to the right
        local right_layout = wibox.layout.fixed.horizontal()
        right_layout:add(awful.titlebar.widget.floatingbutton(c))
        right_layout:add(awful.titlebar.widget.maximizedbutton(c))
        right_layout:add(awful.titlebar.widget.stickybutton(c))
        right_layout:add(awful.titlebar.widget.ontopbutton(c))
        right_layout:add(awful.titlebar.widget.closebutton(c))

        -- The title goes in the middle
        local title = awful.titlebar.widget.titlewidget(c)
        title:buttons(awful.util.table.join(
                awful.button({ }, 1, function()
                    client.focus = c
                    c:raise()
                    awful.mouse.client.move(c)
                end),
                awful.button({ }, 3, function()
                    client.focus = c
                    c:raise()
                    awful.mouse.client.resize(c)
                end)
                ))

        -- Now bring it all together
        local layout = wibox.layout.align.horizontal()
        layout:set_left(left_layout)
        layout:set_right(right_layout)
        layout:set_middle(title)

        awful.titlebar(c):set_widget(layout)
    end
end)

client.connect_signal("focus", function(c) c.border_color = beautiful.border_focus end)
client.connect_signal("unfocus", function(c) c.border_color = beautiful.border_normal end)

-- start programs
require("autorun")

-- }}}