How to use screen rotation in Awesome WM configuration?

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I’m using an xrandr script to set screen size and rotation. In this case one screen is in landscape mode and the other is rotated. How can I detect this rotation in the Awesome WM configuration?

The goal is to set the tag layout so that the windows are divided along the short axis of the screen. That is, a tag which uses awful.layout.suit.tile in landscape mode would use awful.layout.suit.tile.bottom in portrait mode. That is, rather than this:

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I want this:

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Answer

Today this is rather easy. Assuming you have the following layouts defined in your rc.lua:

awful.layout.layouts = {
    awful.layout.suit.tile,
    awful.layout.suit.tile.bottom,
}

With awful.screen.connect_for_each_screen(func) you can call a function for each existing and created-in-the-future screen. It is very likely you have such a call in your rc.lua already (for example to set the wallpaper or create tags). Depending on your configuration you need something like this:

awful.screen.connect_for_each_screen(function(s)
    if s.geometry.width >= s.geometry.height then
      awful.tag({ "1", "2", "3", "4", "5", "6", "7", "8", "9", "0" }, s, awful.layout.layouts[1])
    else
      awful.tag({ "1", "2", "3", "4", "5", "6", "7", "8", "9", "0" }, s, awful.layout.layouts[2])
    end
  end)

Attribution
Source : Link , Question Author : l0b0 , Answer Author : ploth

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