dotfiles/.config/awesome/rc.lua

-- If LuaRocks is installed, make sure that packages installed through it are
-- found (e.g. lgi). If LuaRocks is not installed, do nothing.
pcall(require, "luarocks.loader")

-- Standard awesome library
local gears = require("gears")
local awful = require("awful")
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")
local hotkeys_popup = require("awful.hotkeys_popup")
-- Enable hotkeys help widget for VIM and other apps
-- when client with a matching name is opened:
require("awful.hotkeys_popup.keys")
local lain = require("lain")
local theme = require("theme")
local autostart = require("autostart")

-- {{{ Error handling
-- Check if awesome encountered an error during startup and fell back to
-- another config (This code will only ever execute for the fallback config)
if awesome.startup_errors then
    naughty.notify({
        preset = naughty.config.presets.critical,
        title = "Oops, there were errors during startup!",
        text = awesome.startup_errors
    })
end

-- Handle runtime errors after startup
do
    local in_error = false
    awesome.connect_signal("debug::error", function(err)
        -- Make sure we don't go into an endless error loop
        if in_error then
            return
        end
        in_error = true

        naughty.notify({
            preset = naughty.config.presets.critical,
            title = "Oops, an error happened!",
            text = tostring(err)
        })
        in_error = false
    end)
end
-- }}}

-- {{{ Variable definitions
-- Themes define colours, icons, font and wallpapers.
beautiful.init(gears.filesystem.get_configuration_dir() .. "theme.lua")

-- This is used later as the default terminal and editor to run.
terminal = "alacritty"
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.
awful.layout.layouts = {awful.layout.suit.tile -- awful.layout.suit.spiral 
-- 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.dwindle,
-- awful.layout.suit.max,
-- awful.layout.suit.max.fullscreen,
-- awful.layout.suit.magnifier,
-- awful.layout.suit.corner.nw,
-- awful.layout.suit.corner.ne,
-- awful.layout.suit.corner.sw,
-- awful.layout.suit.corner.se,
}
-- }}}

-- {{{ Wibar
-- Create a textclock widget
local clockicon = wibox.widget.imagebox(theme.widget_clock)
local clock = awful.widget.textclock(" %H:%M")

local calendaricon = wibox.widget.imagebox(theme.widget_calendar)
local calendar = awful.widget.textclock(" %a, %d. %b")

local memicon = wibox.widget.imagebox(theme.widget_mem)
local mem = lain.widget.mem {
    settings = function()
        widget:set_markup(" " .. string.format("%.2f", mem_now.used / 1024) .. "GiB")
    end
}

local cpuicon = wibox.widget.imagebox(theme.widget_cpu)
local cpu = lain.widget.cpu {
    settings = function()
        widget:set_markup(" " .. cpu_now.usage .. "%")
    end
}

local baticon = wibox.widget.imagebox(theme.widget_bat)
local bat = lain.widget.bat {
    settings = function()
        widget:set_markup(" " .. bat_now.perc .."%")
    end
}

-- Create a wibox for each screen and add it
local taglist_buttons = gears.table.join(awful.button({}, 1, function(t)
    t:view_only()
end), awful.button({modkey}, 1, function(t)
    if client.focus then
        client.focus:move_to_tag(t)
    end
end), awful.button({}, 3, awful.tag.viewtoggle), awful.button({modkey}, 3, function(t)
    if client.focus then
        client.focus:toggle_tag(t)
    end
end), awful.button({}, 4, function(t)
    awful.tag.viewnext(t.screen)
end), awful.button({}, 5, function(t)
    awful.tag.viewprev(t.screen)
end))

local tasklist_buttons = gears.table.join(awful.button({}, 1, function(c)
    if c == client.focus then
        c.minimized = true
    else
        c:emit_signal("request::activate", "tasklist", {
            raise = true
        })
    end
end), awful.button({}, 3, function()
    awful.menu.client_list({
        theme = {
            width = 250
        }
    })
end), awful.button({}, 4, function()
    awful.client.focus.byidx(1)
end), awful.button({}, 5, function()
    awful.client.focus.byidx(-1)
end))

local function set_wallpaper(s)
    -- Wallpaper
    if beautiful.wallpaper then
        local wallpaper = beautiful.wallpaper
        -- If wallpaper is a function, call it with the screen
        if type(wallpaper) == "function" then
            wallpaper = wallpaper(s)
        end
        gears.wallpaper.maximized(wallpaper, s, true)
    end
end

-- Re-set wallpaper when a screen's geometry changes (e.g. different resolution)
screen.connect_signal("property::geometry", set_wallpaper)

awful.screen.connect_for_each_screen(function(s)
    -- Wallpaper
    set_wallpaper(s)

    -- Each screen has its own tag table.
    awful.tag({"1", "2", "3", "4", "5", "6", "7", "8", "9"}, s, awful.layout.layouts[1])

    -- Create a promptbox for each screen
    s.mypromptbox = awful.widget.prompt()
    -- Create an imagebox widget which will contain an icon indicating which layout we're using.
    -- We need one layoutbox per screen.
    s.mylayoutbox = awful.widget.layoutbox(s)
    s.mylayoutbox:buttons(gears.table.join(awful.button({}, 1, function()
        awful.layout.inc(1)
    end), awful.button({}, 3, function()
        awful.layout.inc(-1)
    end), awful.button({}, 4, function()
        awful.layout.inc(1)
    end), awful.button({}, 5, function()
        awful.layout.inc(-1)
    end)))
    -- Create a taglist widget
    s.mytaglist = awful.widget.taglist {
        screen = s,
        filter = awful.widget.taglist.filter.all,
        buttons = taglist_buttons
    }

    -- Create a tasklist widget
    s.mytasklist = awful.widget.tasklist {
        screen = s,
        filter = awful.widget.tasklist.filter.currenttags,
        buttons = tasklist_buttons
    }

    -- Create the wibox
    s.mywibox = awful.wibar({
        position = "top",
        screen = s,
        bg = theme.bg_normal,
        fg = theme.fg_normal
    })

    local systray = wibox.widget.systray()
    local tray = wibox.widget {
        systray,
        valign = 'center',
        halign = 'center',
        widget = wibox.container.place
    }

    local cpuiconContainer = wibox.widget {
        cpuicon,
        valign = 'center',
        halign = 'center',
        widget = wibox.container.place
    }

    local baticonContainer = wibox.widget {
        baticon,
        valign = 'center',
        halign = 'center',
        widget = wibox.container.place
    }

    local memiconContainer = wibox.widget {
        memicon,
        valign = 'center',
        halign = 'center',
        widget = wibox.container.place
    }

    local clockiconContainer = wibox.widget {
        clockicon,
        valign = 'center',
        halign = 'center',
        widget = wibox.container.place
    }

    local calendariconContainer = wibox.widget {
        calendaricon,
        valign = 'center',
        halign = 'center',
        widget = wibox.container.place
    }

    local separator = wibox.widget {
        markup = ' | ',
        align = 'center',
        valign = 'center',
        widget = wibox.widget.textbox
    }

    local l_separator = wibox.widget {
        markup = ' [ ',
        align = 'center',
        valign = 'center',
        widget = wibox.widget.textbox
    }

    local m_separator = wibox.widget {
        markup = ' ][ ',
        align = 'center',
        valign = 'center',
        widget = wibox.widget.textbox
    }

    local r_separator = wibox.widget {
        markup = ' ] ',
        align = 'center',
        valign = 'center',
        widget = wibox.widget.textbox
    }

    systray.base_size = s.mywibox.height * 0.6

    clockicon.forced_height = s.mywibox.height * 0.7
    clockicon.forced_width = s.mywibox.height * 0.7

    calendaricon.forced_height = s.mywibox.height * 0.7
    calendaricon.forced_width = s.mywibox.height * 0.7

    memicon.forced_height = s.mywibox.height * 0.7
    memicon.forced_width = s.mywibox.height * 0.7

    cpuicon.forced_height = s.mywibox.height * 0.7
    cpuicon.forced_width = s.mywibox.height * 0.7

    baticon.forced_height = s.mywibox.height * 0.7
    baticon.forced_width = s.mywibox.height * 0.7

    -- Add widgets to the wibox
    s.mywibox:setup{
        layout = wibox.layout.align.horizontal,
        { -- Left widgets
            layout = wibox.layout.fixed.horizontal,
            s.mytaglist,
            s.mypromptbox
        },
        s.mytasklist, -- Middle widget
        { -- Right widgets
            layout = wibox.layout.fixed.horizontal,
            tray,
            separator,
            memiconContainer,
            mem,
            separator,
            cpuiconContainer,
            cpu,
            separator,
            baticonContainer,
            bat,
            separator,
            calendariconContainer,
            calendar,
            separator,
            clockiconContainer,
            clock,
            separator
        }
    }
end)

-- }}}

client.connect_signal("property::maximized", function(c)
	if c.maximized then
		c.maximized = false
	end
end)

-- {{{ Key bindings
globalkeys = gears.table.join(awful.key({modkey}, "x", function()
    awful.util.spawn("/home/ghoscht/.config/rofi/powermenu/type-2/powermenu.sh")
end, {
    description = "Rofi powermenu",
    group = "launcher"
}), awful.key({modkey}, "space", function()
    awful.util.spawn("/home/ghoscht/.config/rofi/launchers/type-2/launcher.sh")
end, {
    description = "Rofi application menu",
    group = "launcher"
}), awful.key({modkey}, "s", hotkeys_popup.show_help, {
    description = "show help",
    group = "awesome"
}), awful.key({modkey}, "Left", awful.tag.viewprev, {
    description = "view previous",
    group = "tag"
}), awful.key({modkey}, "Right", awful.tag.viewnext, {
    description = "view next",
    group = "tag"
}), awful.key({modkey}, "Escape", awful.tag.history.restore, {
    description = "go back",
    group = "tag"
}), awful.key({modkey}, "j", function()
    awful.client.focus.byidx(1)
end, {
    description = "focus next by index",
    group = "client"
}), awful.key({modkey}, "k", function()
    awful.client.focus.byidx(-1)
end, {
    description = "focus previous by index",
    group = "client"
}), awful.key({modkey}, "w", function()
    mymainmenu:show()
end, {
    description = "show main menu",
    group = "awesome"
}), -- Layout manipulation
awful.key({modkey, "Shift"}, "j", function()
    awful.client.swap.byidx(1)
end, {
    description = "swap with next client by index",
    group = "client"
}), awful.key({modkey, "Shift"}, "k", function()
    awful.client.swap.byidx(-1)
end, {
    description = "swap with previous client by index",
    group = "client"
}), awful.key({modkey, "Control"}, "j", function()
    awful.screen.focus_relative(1)
end, {
    description = "focus the next screen",
    group = "screen"
}), awful.key({modkey, "Control"}, "k", function()
    awful.screen.focus_relative(-1)
end, {
    description = "focus the previous screen",
    group = "screen"
}), awful.key({modkey}, "u", awful.client.urgent.jumpto, {
    description = "jump to urgent client",
    group = "client"
}), awful.key({modkey}, "Tab", function()
    awful.client.focus.history.previous()
    if client.focus then
        client.focus:raise()
    end
end, {
    description = "go back",
    group = "client"
}), -- Standard program
awful.key({modkey}, "Return", function()
    awful.spawn(terminal)
end, {
    description = "open a terminal",
    group = "launcher"
}), awful.key({modkey, "Control"}, "r", awesome.restart, {
    description = "reload awesome",
    group = "awesome"
}), awful.key({modkey, "Shift"}, "q", awesome.quit, {
    description = "quit awesome",
    group = "awesome"
}), awful.key({modkey}, "l", function()
    awful.tag.incmwfact(0.05)
end, {
    description = "increase master width factor",
    group = "layout"
}), awful.key({modkey}, "h", function()
    awful.tag.incmwfact(-0.05)
end, {
    description = "decrease master width factor",
    group = "layout"
}), awful.key({modkey, "Shift"}, "h", function()
    awful.tag.incnmaster(1, nil, true)
end, {
    description = "increase the number of master clients",
    group = "layout"
}), awful.key({modkey, "Shift"}, "l", function()
    awful.tag.incnmaster(-1, nil, true)
end, {
    description = "decrease the number of master clients",
    group = "layout"
}), awful.key({modkey, "Control"}, "h", function()
    awful.tag.incncol(1, nil, true)
end, {
    description = "increase the number of columns",
    group = "layout"
}), awful.key({modkey, "Control"}, "l", function()
    awful.tag.incncol(-1, nil, true)
end, {
    description = "decrease the number of columns",
    group = "layout"
}), awful.key({modkey, "Control"}, "n", function()
    local c = awful.client.restore()
    -- Focus restored client
    if c then
        c:emit_signal("request::activate", "key.unminimize", {
            raise = true
        })
    end
end, {
    description = "restore minimized",
    group = "client"
}))

clientkeys = gears.table.join(awful.key({modkey}, "f", function(c)
    c.fullscreen = not c.fullscreen
    c:raise()
end, {
    description = "toggle fullscreen",
    group = "client"
}), awful.key({modkey, "Shift"}, "c", function(c)
    c:kill()
end, {
    description = "close",
    group = "client"
}), awful.key({modkey, "Control"}, "space", awful.client.floating.toggle, {
    description = "toggle floating",
    group = "client"
}), awful.key({modkey, "Control"}, "Return", function(c)
    c:swap(awful.client.getmaster())
end, {
    description = "move to master",
    group = "client"
}), awful.key({modkey}, "o", function(c)
    c:move_to_screen()
end, {
    description = "move to screen",
    group = "client"
}), awful.key({modkey}, "t", function(c)
    c.ontop = not c.ontop
end, {
    description = "toggle keep on top",
    group = "client"
}), 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, {
    description = "minimize",
    group = "client"
}), awful.key({modkey}, "m", function(c)
    c.maximized = not c.maximized
    c:raise()
end, {
    description = "(un)maximize",
    group = "client"
}), awful.key({modkey, "Control"}, "m", function(c)
    c.maximized_vertical = not c.maximized_vertical
    c:raise()
end, {
    description = "(un)maximize vertically",
    group = "client"
}), awful.key({modkey, "Shift"}, "m", function(c)
    c.maximized_horizontal = not c.maximized_horizontal
    c:raise()
end, {
    description = "(un)maximize horizontally",
    group = "client"
}))

-- Bind all key numbers to tags.
-- Be careful: we use keycodes to make it work on any keyboard layout.
-- This should map on the top row of your keyboard, usually 1 to 9.
for i = 1, 9 do
    globalkeys = gears.table.join(globalkeys, -- View tag only.
    awful.key({modkey}, "#" .. i + 9, function()
        local screen = awful.screen.focused()
        local tag = screen.tags[i]
        if tag then
            tag:view_only()
        end
    end, {
        description = "view tag #" .. i,
        group = "tag"
    }), -- Toggle tag display.
    awful.key({modkey, "Control"}, "#" .. i + 9, function()
        local screen = awful.screen.focused()
        local tag = screen.tags[i]
        if tag then
            awful.tag.viewtoggle(tag)
        end
    end, {
        description = "toggle tag #" .. i,
        group = "tag"
    }), -- Move client to tag.
    awful.key({modkey, "Shift"}, "#" .. i + 9, function()
        if client.focus then
            local tag = client.focus.screen.tags[i]
            if tag then
                client.focus:move_to_tag(tag)
            end
        end
    end, {
        description = "move focused client to tag #" .. i,
        group = "tag"
    }), -- Toggle tag on focused client.
    awful.key({modkey, "Control", "Shift"}, "#" .. i + 9, function()
        if client.focus then
            local tag = client.focus.screen.tags[i]
            if tag then
                client.focus:toggle_tag(tag)
            end
        end
    end, {
        description = "toggle focused client on tag #" .. i,
        group = "tag"
    }))
end

clientbuttons = gears.table.join(awful.button({}, 1, function(c)
    c:emit_signal("request::activate", "mouse_click", {
        raise = true
    })
end), awful.button({modkey}, 1, function(c)
    c:emit_signal("request::activate", "mouse_click", {
        raise = true
    })
    awful.mouse.client.move(c)
end), awful.button({modkey}, 3, function(c)
    c:emit_signal("request::activate", "mouse_click", {
        raise = true
    })
    awful.mouse.client.resize(c)
end))

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

-- {{{ Rules
-- Rules to apply to new clients (through the "manage" signal).
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,
        raise = true,
        keys = clientkeys,
        buttons = clientbuttons,
        screen = awful.screen.preferred,
        placement = awful.placement.no_overlap + awful.placement.no_offscreen
    }
}, -- Floating clients.
{
    rule_any = {
        instance = {"DTA", -- Firefox addon DownThemAll.
        "copyq", -- Includes session name in class.
        "pinentry"},
        class = {"Arandr", "Blueman-manager", "Gpick", "Kruler", "MessageWin", -- kalarm.
        "Sxiv", "Tor Browser", -- Needs a fixed window size to avoid fingerprinting by screen size.
        "Wpa_gui", "veromix", "xtightvncviewer"},

        -- Note that the name property shown in xprop might be set slightly after creation of the client
        -- and the name shown there might not match defined rules here.
        name = {"Event Tester" -- xev.
        },
        role = {"AlarmWindow", -- Thunderbird's calendar.
        "ConfigManager", -- Thunderbird's about:config.
        "pop-up" -- e.g. Google Chrome's (detached) Developer Tools.
        }
    },
    properties = {
        floating = true
    }
} -- Set Firefox to always map on the tag named "2" on screen 1.
-- { rule = { class = "Firefox" },
--   properties = { screen = 1, tag = "2" } },
}
-- }}}

-- {{{ Signals
-- Signal function to execute when a new client appears.
client.connect_signal("manage", function(c)
    -- Set the windows at the slave,
    -- i.e. put it at the end of others instead of setting it master.
    -- if not awesome.startup then awful.client.setslave(c) end

    if awesome.startup and not c.size_hints.user_position and not c.size_hints.program_position then
        -- Prevent clients from being unreachable after screen count changes.
        awful.placement.no_offscreen(c)
    end
end)

-- Enable sloppy focus, so that focus follows mouse.
client.connect_signal("mouse::enter", function(c)
    c:emit_signal("request::activate", "mouse_enter", {
        raise = false
    })
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)
-- }}}

-- Autostart Applications
autostart.exec(awful)