iankelling.org Git - distro-setup/blob - i3-set-layout

   1 #!/usr/bin/python3
   2
   3 import sys
   4 from i3ipc import Connection, Event
   5
   6
   7 def find_parent(i3, window_id):
   8     """
   9         Find the parent of a given window id
  10     """
  11
  12     def finder(con, parent, gp):
  13         if con.id == window_id:
  14             return (parent, gp)
  15         for node in con.nodes:
  16             res = finder(node, con, parent)
  17             if res:
  18                 return res
  19         return None
  20
  21     return finder(i3.get_tree(), None, None)
  22
  23
  24 def set_layout(i3):
  25     """
  26         Set the layout/split for the currently
  27         focused window to either vertical or
  28         horizontal, depending on its width/height
  29     """
  30
  31     win = i3.get_tree().find_focused()
  32     parent, gp = find_parent(i3, win.id)
  33
  34
  35     # We never want to set the layout of a single window container,
  36     # there are already keys for that. I don't know why i3 even does
  37     # this, it is stupid. So, eliminate single window container if we
  38     # are focused on one.
  39     #
  40     # Alternatively, we could first focus the parent, but I think when
  41     # layout changes, we expect new windows to be created within that
  42     # layout.
  43     #
  44     # Todo: if the direction we are moving has a split/tabbed container
  45     # as a peer to parent, this will move our window into that container
  46     # instead of what we want. And in fact, the whole logic below is
  47     # incorrect and based on testing which did not realize that fact.
  48     #
  49     if (parent and gp and len(parent.nodes) == 1):
  50         # https://unix.stackexchange.com/questions/173754/how-to-move-a-window-up-to-the-level-of-its-parent-window-in-i3wm
  51         i3.command('mark i3ha')
  52         i3.command('focus parent')
  53         i3.command('focus parent')
  54         i3.command('mark i3hb')
  55         i3.command('[con_mark="i3ha"] focus')
  56         i3.command('move window to mark i3hb')
  57         i3.command('unmark i3ha')
  58         i3.command('unmark i3hb')
  59     i3.command('layout ' + sys.argv[1])
  60
  61 def main():
  62     i3 = Connection()
  63     set_layout(i3)
  64
  65
  66 if __name__ == "__main__":
  67     main()