Class: Rumai::Area

Inherits:

Object

• Object
• Rumai::Area

show all

Includes:

Enumerable, Chain, ClientContainer, WidgetImpl

Defined in:

lib/rumai/wm.rb

Overview

Instance Attribute Summary

• - (Object) view readonly

  Returns the value of attribute view.

Class Method Summary

• + (Object) curr

  Returns the currently focused area.

• + (Object) floating(view = View.curr)

  Returns the floating area in the given view.

Instance Method Summary

• - (Object) chain

  Returns a list of all areas in the current view.

• - (Object) client_ids

  Returns the IDs of the clients in this area.

• - (Boolean) column? (also: #managed?)

  Checks if this is a managed area (a column).

• - (Object) concat(area)

  Concatenates the given area to the bottom of this area.

• - (Object) each(&block)

  Iterates through each client in this container.

• - (Boolean) exist?

  Checks if this object exists in the chain.

• - (Boolean) floating?

  Checks if this area is the floating area.

• - (Object) focus

  Puts focus on this area.

• - (Area) initialize(area_id, view = View.curr) constructor

  A new instance of Area.

• - (Object) insert(*clients)

  Inserts the given clients after the currently focused client in this area.

• - (Object) layout(mode)

  Sets the layout of clients in this column.

• - (Object) length

  Returns the number of clients in this area.

• - (Object) length(max_clients)

  Ensures that this area has at most the given number of clients.

• - (Object) push(*clients) (also: #<<)

  Inserts the given clients at the bottom of this area.

• - (Object) unshift(*clients)

  Inserts the given clients at the top of this area.

Methods included from WidgetImpl

#==, #current?

Methods included from Chain

#next, #prev

Methods included from ClientContainer

#clients, #grouping

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# File 'lib/rumai/wm.rb', line 494

def initialize area_id, view = View.curr
  @id = Integer(area_id) rescue area_id
  @view = view
end

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# File 'lib/rumai/wm.rb', line 488

def view
  @view
end

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# File 'lib/rumai/wm.rb', line 520

def self.curr
  View.curr.area_of_client Client.curr
end

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# File 'lib/rumai/wm.rb', line 527

def self.floating view = View.curr
  new FLOATING_AREA_ID, view
end

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# File 'lib/rumai/wm.rb', line 536

def chain
  @view.areas
end

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# File 'lib/rumai/wm.rb', line 552

def client_ids
  @view.client_ids @id
end

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# File 'lib/rumai/wm.rb', line 509

def column?
  not floating?
end

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# File 'lib/rumai/wm.rb', line 651

def concat area
  push area.clients
end

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# File 'lib/rumai/wm.rb', line 561

def each &block
  clients.each(&block)
end

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# File 'lib/rumai/wm.rb', line 543

def exist?
  chain.include? self
end

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# File 'lib/rumai/wm.rb', line 502

def floating?
  @id == FLOATING_AREA_ID
end

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# File 'lib/rumai/wm.rb', line 584

def focus
  @view.ctl.write "select #{@id}"
end

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# File 'lib/rumai/wm.rb', line 622

def insert *clients
  clients.flatten!
  return if clients.empty?

  clients.each do |c|
    import_client c
  end
end

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# File 'lib/rumai/wm.rb', line 568

def layout= mode
  case mode
  when :stack then mode = 'stack-max'
  when :max   then mode = 'stack+max'
  end

  @view.ctl.write "colmode #{@id} #{mode}"
end

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# File 'lib/rumai/wm.rb', line 595

def length
  client_ids.length
end

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# File 'lib/rumai/wm.rb', line 661

def length= max_clients
  return unless max_clients > 0
  len, out = length, fringe

  if len > max_clients
    out.unshift clients[max_clients..-1]

  elsif len < max_clients
    until (diff = max_clients - length) == 0
      importable = out.clients[0, diff]
      break if importable.empty?

      push importable
    end
  end
end

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# File 'lib/rumai/wm.rb', line 602

def push *clients
  clients.flatten!
  return if clients.empty?

  insert clients

  # move inserted clients to bottom
  clients.reverse.each_with_index do |c, i|
    until c.id == self.client_ids[-i.succ]
      c.send :down
    end
  end
end

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# File 'lib/rumai/wm.rb', line 634

def unshift *clients
  clients.flatten!
  return if clients.empty?

  insert clients

  # move inserted clients to top
  clients.each_with_index do |c, i|
    until c.id == self.client_ids[i]
      c.send :up
    end
  end
end