Class: Tk::RbWidget::Editable_Listbox

Inherits:
TkListbox
  • Object
show all
Defined in:
sample/editable_listbox.rb,
sample/editable_listbox.rb

Constant Summary collapse

BindTag =

TkBindTag.new_by_name(self.to_s.gsub(/::/, '#'))

Instance Method Summary collapse

Instance Method Details

#configure(*args) ⇒ Object



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# File 'sample/editable_listbox.rb', line 47

def configure(*args)
  ret = super

  case cget(:state)
  when 'normal'
    # do nothing
  when 'disabled'
    _ebox_erase
  else # unknown
    # do nothing

  end

  ret
end

#create_self(keys) ⇒ Object


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# File 'sample/editable_listbox.rb', line 114

def create_self(keys)
  super(keys)

  unless self.listvariable
    self.listvariable = TkVariable.new(self.get(0, :end))
  end

  @ebox = TkEntry.new(self){
    @pos = nil
    def self.pos; @pos; end
    def self.pos=(idx); @pos = idx; end
  }

  _setup_ebox_bindings
  _setup_listbox_bindings
end

#yview(*args) ⇒ Object


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# File 'sample/editable_listbox.rb', line 105

def yview(*args)
  if !@ebox.pos || bbox(@ebox.pos).empty?
    @ebox.place_forget
  else
    _ebox_move(@ebox.pos)
  end
  super
end