dotfiles/awesome/rc_parts/global_keys.lua

local gears = require('gears')
local awful = require('awful')

require('awful.autofocus')

local naughty = require('naughty')
local lain = require('lain')
local hotkeys_popup = require('awful.hotkeys_popup')
require('awful.hotkeys_popup.keys')
local globals = require('rc_parts.globals')

local mytable = awful.util.table or gears.table -- 4.{0,1} compatibility

local modkey = globals.modkey
local altkey = globals.altkey

local globalkeys = mytable.join(
	-- Destroy all notifications
	awful.key({ 'Control' }, 'space', function()
		naughty.destroy_all_notifications()
	end, { description = 'destroy all notifications', group = 'hotkeys' }),

	-- Take a screenshot
	awful.key({ modkey, altkey }, 'p', function()
		awful.spawn('flameshot gui')
	end, { description = 'take a screenshot', group = 'hotkeys' }),

	-- X screen locker
	awful.key({ modkey, altkey, 'Control' }, 'l', function()
		os.execute(os.getenv('HOME') .. '/.config/awesome/scripts/lock.sh')
	end, { description = 'lock screen', group = 'hotkeys' }),

	-- Show help
	awful.key({ modkey }, 's', hotkeys_popup.show_help, { description = 'show help', group = 'awesome' }),

	-- Tag browsing
	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' }),

	-- Non-empty tag browsing
	awful.key({ altkey }, 'Left', function()
		lain.util.tag_view_nonempty(-1)
	end, { description = 'view  previous nonempty', group = 'tag' }),
	awful.key({ altkey }, 'Right', function()
		lain.util.tag_view_nonempty(1)
	end, { description = 'view  previous nonempty', group = 'tag' }),

	-- Default client focus
	awful.key({ altkey }, 'j', function()
		awful.client.focus.byidx(1)
	end, { description = 'focus next by index', group = 'client' }),
	awful.key({ altkey }, 'k', function()
		awful.client.focus.byidx(-1)
	end, { description = 'focus previous by index', group = 'client' }),

	-- By-direction client focus
	awful.key({ modkey }, 'j', function()
		awful.client.focus.global_bydirection('down')
		if client.focus then
			client.focus:raise()
		end
	end, { description = 'focus down', group = 'client' }),
	awful.key({ modkey }, 'k', function()
		awful.client.focus.global_bydirection('up')
		if client.focus then
			client.focus:raise()
		end
	end, { description = 'focus up', group = 'client' }),
	awful.key({ modkey }, 'h', function()
		awful.client.focus.global_bydirection('left')
		if client.focus then
			client.focus:raise()
		end
	end, { description = 'focus left', group = 'client' }),
	awful.key({ modkey }, 'l', function()
		awful.client.focus.global_bydirection('right')
		if client.focus then
			client.focus:raise()
		end
	end, { description = 'focus right', group = 'client' }),

	-- Menu
	awful.key({ modkey }, 'w', function()
		awful.util.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()
		if globals.cycle_prev then
			awful.client.focus.history.previous()
		else
			awful.client.focus.byidx(-1)
		end
		if client.focus then
			client.focus:raise()
		end
	end, { description = 'cycle with previous/go back', group = 'client' }),

	-- Show/hide wibox
	awful.key({ modkey }, 'b', function()
		for s in screen do
			s.mywibox.visible = not s.mywibox.visible
			if s.mybottomwibox then
				s.mybottomwibox.visible = not s.mybottomwibox.visible
			end
		end
	end, { description = 'toggle wibox', group = 'awesome' }),

	-- On-the-fly useless gaps change
	awful.key({ altkey, 'Control' }, '+', function()
		lain.util.useless_gaps_resize(1)
	end, { description = 'increment useless gaps', group = 'tag' }),
	awful.key({ altkey, 'Control' }, '-', function()
		lain.util.useless_gaps_resize(-1)
	end, { description = 'decrement useless gaps', group = 'tag' }),

	-- Dynamic tagging
	awful.key({ modkey, 'Shift' }, 'n', function()
		lain.util.add_tag()
	end, { description = 'add new tag', group = 'tag' }),
	awful.key({ modkey, 'Shift' }, 'r', function()
		lain.util.rename_tag()
	end, { description = 'rename tag', group = 'tag' }),
	awful.key({ modkey, 'Shift' }, 'Left', function()
		lain.util.move_tag(-1)
	end, { description = 'move tag to the left', group = 'tag' }),
	awful.key({ modkey, 'Shift' }, 'Right', function()
		lain.util.move_tag(1)
	end, { description = 'move tag to the right', group = 'tag' }),
	awful.key({ modkey, 'Shift' }, 'd', function()
		lain.util.delete_tag()
	end, { description = 'delete tag', group = 'tag' }),

	-- Standard program
	awful.key({ modkey }, 'Return', function()
		awful.spawn(globals.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, altkey }, 'l', function()
		awful.tag.incmwfact(0.05)
	end, { description = 'increase master width factor', group = 'layout' }),
	awful.key({ modkey, altkey }, '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 }, 'space', function()
		awful.layout.inc(1)
	end, { description = 'select next', group = 'layout' }),
	awful.key({ modkey, 'Shift' }, 'space', function()
		awful.layout.inc(-1)
	end, { description = 'select previous', 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' }),

	-- Dropdown application
	awful.key({ modkey }, 'q', function()
		awful.screen.focused().quake:toggle()
	end, { description = 'dropdown application', group = 'launcher' }),

	-- Widgets popups
	--[[ awful.key({ altkey, }, "c", function () if beautiful.cal then beautiful.cal.show(7) end end,
              {description = "show calendar", group = "widgets"}),
    awful.key({ altkey, }, "h", function () if beautiful.fs then beautiful.fs.show(7) end end,
              {description = "show filesystem", group = "widgets"}),
    awful.key({ altkey, }, "w", function () if beautiful.weather then beautiful.weather.show(7) end end,
              {description = "show weather", group = "widgets"}),
    ]]
	--

	-- Screen brightness
	--awful.key({ }, "XF86MonBrightnessUp", function () os.execute("xbacklight -inc 10") end,
	--          {description = "+10%", group = "hotkeys"}),
	--awful.key({ }, "XF86MonBrightnessDown", function () os.execute("xbacklight -dec 10") end,
	--          {description = "-10%", group = "hotkeys"}),

	-- ALSA volume control
	--[[
    awful.key({ altkey }, "Up",
        function ()
            os.execute(string.format("amixer -q set %s 1%%+", beautiful.volume.channel))
            beautiful.volume.update()
        end,
        {description = "volume up", group = "hotkeys"}),
    awful.key({ altkey }, "Down",
        function ()
            os.execute(string.format("amixer -q set %s 1%%-", beautiful.volume.channel))
            beautiful.volume.update()
        end,
        {description = "volume down", group = "hotkeys"}),
    awful.key({ altkey }, "m",
        function ()
            os.execute(string.format(
                "amixer -q set %s toggle",
                beautiful.volume.togglechannel or beautiful.volume.channel
            ))
            beautiful.volume.update()
        end,
        {description = "toggle mute", group = "hotkeys"}),
    awful.key({ altkey, "Control" }, "m",
        function ()
            os.execute(string.format("amixer -q set %s 100%%", beautiful.volume.channel))
            beautiful.volume.update()
        end,
        {description = "volume 100%", group = "hotkeys"}),
    awful.key({ altkey, "Control" }, "0",
        function ()
            os.execute(string.format("amixer -q set %s 0%%", beautiful.volume.channel))
            beautiful.volume.update()
        end,
        {description = "volume 0%", group = "hotkeys"}),
    ]]
	--

	-- MPD control
	--[[
    awful.key({ altkey, "Control" }, "Up",
        function ()
            os.execute("mpc toggle")
            beautiful.mpd.update()
        end,
        {description = "mpc toggle", group = "widgets"}),
    awful.key({ altkey, "Control" }, "Down",
        function ()
            os.execute("mpc stop")
            beautiful.mpd.update()
        end,
        {description = "mpc stop", group = "widgets"}),
    awful.key({ altkey, "Control" }, "Left",
        function ()
            os.execute("mpc prev")
            beautiful.mpd.update()
        end,
        {description = "mpc prev", group = "widgets"}),
    awful.key({ altkey, "Control" }, "Right",
        function ()
            os.execute("mpc next")
            beautiful.mpd.update()
        end,
        {description = "mpc next", group = "widgets"}),
    awful.key({ altkey }, "0",
        function ()
            local common = { text = "MPD widget ", position = "top_middle", timeout = 2 }
            if beautiful.mpd.timer.started then
                beautiful.mpd.timer:stop()
                common.text = common.text .. lain.util.markup.bold("OFF")
            else
                beautiful.mpd.timer:start()
                common.text = common.text .. lain.util.markup.bold("ON")
            end
            naughty.notify(common)
        end,
        {description = "mpc on/off", group = "widgets"}),
    ]]
	--

	-- Copy primary to clipboard (terminals to gtk)
	--awful.key({ modkey }, "c", function () awful.spawn.with_shell("xsel | xsel -i -b") end,
	--          {description = "copy terminal to gtk", group = "hotkeys"}),
	-- Copy clipboard to primary (gtk to terminals)
	--awful.key({ modkey }, "v", function () awful.spawn.with_shell("xsel -b | xsel") end,
	--          {description = "copy gtk to terminal", group = "hotkeys"}),

	-- User programs
	--awful.key({ modkey }, "q", function () awful.spawn(browser) end,
	--          {description = "run browser", group = "launcher"}),

	-- Default
	--[[ Menubar
    awful.key({ modkey }, "p", function() menubar.show() end,
              {description = "show the menubar", group = "launcher"}),
    --]]
	--[[ dmenu
    awful.key({ modkey }, "x", function ()
            os.execute(string.format("dmenu_run -i -fn 'Monospace' -nb '%s' -nf '%s' -sb '%s' -sf '%s'",
            beautiful.bg_normal, beautiful.fg_normal, beautiful.bg_focus, beautiful.fg_focus))
        end,
        {description = "show dmenu", group = "launcher"}),
    --]]
	-- alternatively use rofi, a dmenu-like application with more features
	-- check https://github.com/DaveDavenport/rofi for more details
	--   rofi
	awful.key({ modkey }, 'y', function()
		awful.spawn('rofi -show drun -theme "' .. os.getenv('HOME') .. '/.config/awesome/rofi/launcher.rasi"')
	end, { description = 'show rofi', group = 'launcher' }),
	awful.key({ modkey, 'Shift' }, 'y', function()
		awful.spawn(os.getenv('HOME') .. '/.config/awesome/rofi/launcher_launcher.sh')
	end, { description = 'show rofi', group = 'launcher' }),

	-- Prompt
	awful.key({ modkey }, 'r', function()
		awful.screen.focused().mypromptbox:run()
	end, { description = 'run prompt', group = 'launcher' }),

	awful.key({ modkey }, 'x', function()
		awful.prompt.run({
			prompt = 'Run Lua code: ',
			textbox = awful.screen.focused().mypromptbox.widget,
			exe_callback = awful.util.eval,
			history_path = awful.util.get_cache_dir() .. '/history_eval',
		})
	end, { description = 'lua execute prompt', group = 'awesome' })
	--]]
)

-- 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 = mytable.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

return globalkeys