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'
-- Static configuration
local config = require 'config'
-- Enable hotkeys help widget for VIM and other apps
-- when client with a matching name is opened:
require 'awful.hotkeys_popup.keys'

-- {{{ 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
-- }}}

-- {{{ Notification Theming
naughty.config.icon_formats = config.icon_formats
naughty.config.icon_dirs = config.icon_dirs
-- }}}

-- {{{ Variable definitions
-- Themes define colours, icons, font and wallpapers.
beautiful.init(gears.filesystem.get_configuration_dir() .. 'themes/default/theme.lua')
beautiful.wallpaper = config.wallpaper

-- 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.
local modkey = config.modkey

-- Table of layouts to cover with awful.layout.inc, order matters.
awful.layout.layouts = config.layouts
-- }}}

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

-- 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 = require 'widgets/taglist'(s, taglist_buttons)

	-- Create a tasklist widget
	s.mytasklist = require 'widgets/tasklist'(s, tasklist_buttons)
	-- awful.widget.tasklist({
	-- 	screen = s,
	-- 	filter = awful.widget.tasklist.filter.currenttags,
	-- 	buttons = tasklist_buttons,
	-- })

	-- Create the wibox
	s.mywibox = require 'widgets/taskbar'(s)
end)
-- }}}

-- {{{ Mouse bindings
root.buttons(
	gears.table.join(
		awful.button({}, 4, awful.tag.viewnext),
		awful.button({}, 5, awful.tag.viewprev)
	)
)
-- }}}

-- {{{ Key bindings
local keybindings = require 'keybindings'

-- Set keys
root.keys(keybindings.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 = keybindings.clientkeys,
			buttons = keybindings.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 },
	},

	-- Add titlebars to normal clients and dialogs
	{ rule_any = { type = { 'dialog' } }, properties = { titlebars_enabled = 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)
	if c.fullscreen or #c.screen.clients == 1 then
		c.border_width = 0
		c.shape = config.fs_shape
	else
		c.border_width = beautiful.border_width
		c.shape = config.shape
	end
	-- 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)

client.connect_signal('property::size', function(c)
	if c.fullscreen or #c.screen.clients == 1 then
		c.border_width = 0
		c.shape = config.fs_shape
	else
		c.border_width = beautiful.border_width
		c.shape = config.shape
	end
end)

-- Add a titlebar if titlebars_enabled is set to true in the rules.
client.connect_signal('request::titlebars', function(c)
	-- buttons for the titlebar
	local buttons = gears.table.join(
		awful.button({}, 1, function()
			c:emit_signal('request::activate', 'titlebar', { raise = true })
			awful.mouse.client.move(c)
		end),
		awful.button({}, 3, function()
			c:emit_signal('request::activate', 'titlebar', { raise = true })
			awful.mouse.client.resize(c)
		end)
	)

	awful.titlebar(c):setup {
		{ -- Left
			awful.titlebar.widget.iconwidget(c),
			buttons = buttons,
			layout = wibox.layout.fixed.horizontal,
		},
		{ -- Middle
			{ -- Title
				align = 'center',
				widget = awful.titlebar.widget.titlewidget(c),
			},
			buttons = buttons,
			layout = wibox.layout.flex.horizontal,
		},
		{ -- Right
			awful.titlebar.widget.floatingbutton(c),
			awful.titlebar.widget.maximizedbutton(c),
			awful.titlebar.widget.stickybutton(c),
			awful.titlebar.widget.ontopbutton(c),
			awful.titlebar.widget.closebutton(c),
			layout = wibox.layout.fixed.horizontal(),
		},
		layout = wibox.layout.align.horizontal,
	}
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)
-- }}}

awful.spawn.with_shell(
	'if (xrdb -query | grep -q "^awesome\\.started:\\s*true$"); then exit; fi;'
		.. 'xrdb -merge <<< "awesome.started:true";'
		-- .. 'dex --environment Awesome --autostart'
		.. 'systemctl --user start awesome-xdg-autostart.target'
)