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menu\_clients\_current\_tags
----------------------------

Similar to `awful.menu.clients()`, but this menu only shows the clients
of currently visible tags. Use it with a key binding like this:

    awful.key({ "Mod1" }, "Tab", function()
        awful.menu.menu_keys.down = { "Down", "Alt_L", "Tab", "j" }
        awful.menu.menu_keys.up = { "Up", "k" }
        lain.util.menu_clients_current_tags({ width = 350 }, { keygrabber = true })
    end),

magnify\_client
---------------

Set a client to floating and resize it in the same way the "magnifier"
layout does it. Place it on the "current" screen (derived from the mouse
position). This allows you to magnify any client you wish, regardless of
the currently used layout. Use it with a client keybinding like this:

	clientkeys = awful.util.table.join(
		...
		awful.key({ modkey, "Control" }, "m", lain.util.magnify_client),
		...
	)

If you want to "de-magnify" it, just reset the clients floating state to
`false` (hit `Mod4`+`CTRL`+`Space`, for example).

niceborder\_{focus, unfocus}
----------------------------

By default, your `rc.lua` contains something like this:

	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)

You can change it to this:

	client.connect_signal("focus", lain.util.niceborder_focus(c))
	client.connect_signal("unfocus", lain.util.niceborder_unfocus(c))

Now, when a client is focused or unfocused, Awesome will look up its
nice value in `/proc/<pid>/stat`. If it's less than 0, the client is
classified as "high priority"; if it's greater than 0, the client is
classified as "low priority". If it's equal to 0, nothing special
happens.

This requires to define additional colors in your `theme.lua`. For example:

	theme.border_focus_highprio  = "#FF0000"
	theme.border_normal_highprio = "#A03333"

	theme.border_focus_lowprio   = "#3333FF"
	theme.border_normal_lowprio  = "#333366"

tag\_view\_nonempty
-------------------

This function lets you jump to the next/previous non-empty tag.
It takes two arguments:

* `direction`: `1` for next non-empty tag, `-1` for previous.
* `sc`: Screen which the taglist is in. Default is `mouse.screen` or `1`. This
  argument is optional.

You can use it with key bindings like these:

    -- Non-empty tag browsing
    awful.key({ altkey }, "Left", function () lain.util.tag_view_nonempty(-1) end),
    awful.key({ altkey }, "Right", function () lain.util.tag_view_nonempty(1) end),

where `altkey = "Mod1"`.

prompt\_rename\_tag
-------------------

This function enables you to dynamically rename the current tag you have focused.

You can use it with a key binding like this:

    awful.key({ modkey, "Shift" }, "r", function () lain.util.prompt_rename_tag(mypromptbox) end)

Credits goes to [minism](https://bbs.archlinux.org/viewtopic.php?pid=1315135#p1315135).