lain/Utilities.md

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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.