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path: root/ext/tk/lib/tk/listbox.rb
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#
# tk/listbox.rb : treat listbox widget
#
require 'tk'
require 'tk/itemconfig'
require 'tk/scrollable'
require 'tk/txtwin_abst'

module TkListItemConfig
  include TkItemConfigMethod

  def __item_listval_optkeys(id)
    []
  end
  private :__item_listval_optkeys
end

class TkListbox<TkTextWin
  include TkListItemConfig
  include Scrollable

  TkCommandNames = ['listbox'.freeze].freeze
  WidgetClassName = 'Listbox'.freeze
  WidgetClassNames[WidgetClassName] = self

  #def create_self(keys)
  #  if keys and keys != None
  #    tk_call_without_enc('listbox', @path, *hash_kv(keys, true))
  #  else
  #    tk_call_without_enc('listbox', @path)
  #  end
  #end
  #private :create_self

  def tagid(id)
    #id.to_s
    _get_eval_string(id)
  end

  def activate(y)
    tk_send_without_enc('activate', y)
    self
  end
  def curselection
    list(tk_send_without_enc('curselection'))
  end
  def get(first, last=nil)
    if last
      tk_split_simplelist(_fromUTF8(tk_send_without_enc('get', first, last)))
    else
      _fromUTF8(tk_send_without_enc('get', first))
    end
  end
  def nearest(y)
    tk_send_without_enc('nearest', y).to_i
  end
  def size
    tk_send_without_enc('size').to_i
  end
  def selection_anchor(index)
    tk_send_without_enc('selection', 'anchor', index)
    self
  end
  def selection_clear(first, last=None)
    tk_send_without_enc('selection', 'clear', first, last)
    self
  end
  def selection_includes(index)
    bool(tk_send_without_enc('selection', 'includes', index))
  end
  def selection_set(first, last=None)
    tk_send_without_enc('selection', 'set', first, last)
    self
  end

  def index(index)
    tk_send_without_enc('index', index).to_i
  end

=begin
  def itemcget(index, key)
    case key.to_s
    when 'text', 'label', 'show'
      _fromUTF8(tk_send_without_enc('itemcget', index, "-#{key}"))
    when 'font', 'kanjifont'
      #fnt = tk_tcl2ruby(tk_send('itemcget', index, "-#{key}"))
      fnt = tk_tcl2ruby(_fromUTF8(tk_send_without_enc('itemcget', index, 
						      '-font')))
      unless fnt.kind_of?(TkFont)
	fnt = tagfontobj(index, fnt)
      end
      if key.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
	# obsolete; just for compatibility
	fnt.kanji_font
      else
	fnt
      end
    else
      tk_tcl2ruby(_fromUTF8(tk_send_without_enc('itemcget', index, "-#{key}")))
    end
  end
  def itemconfigure(index, key, val=None)
    if key.kind_of? Hash
      if (key['font'] || key[:font] || 
          key['kanjifont'] || key[:kanjifont] || 
	  key['latinfont'] || key[:latinfont] || 
          key['asciifont'] || key[:asciifont] )
	tagfont_configure(index, _symbolkey2str(key))
      else
	tk_send_without_enc('itemconfigure', index, *hash_kv(key, true))
      end

    else
      if (key == 'font' || key == :font || 
          key == 'kanjifont' || key == :kanjifont || 
	  key == 'latinfont' || key == :latinfont || 
          key == 'asciifont' || key == :asciifont )
	if val == None
	  tagfontobj(index)
	else
	  tagfont_configure(index, {key=>val})
	end
      else
	tk_call('itemconfigure', index, "-#{key}", val)
      end
    end
    self
  end

  def itemconfiginfo(index, key=nil)
    if TkComm::GET_CONFIGINFO_AS_ARRAY
      if key
	case key.to_s
	when 'text', 'label', 'show'
	  conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure',index,"-#{key}")))
	when 'font', 'kanjifont'
	  conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure',index,"-#{key}")))
	  conf[4] = tagfont_configinfo(index, conf[4])
	else
	  conf = tk_split_list(_fromUTF8(tk_send_without_enc('itemconfigure',index,"-#{key}")))
	end
	conf[0] = conf[0][1..-1]
	conf
      else
	ret = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', index))).collect{|conflist|
	  conf = tk_split_simplelist(conflist)
	  conf[0] = conf[0][1..-1]
	  case conf[0]
	  when 'text', 'label', 'show'
	  else
	    if conf[3]
	      if conf[3].index('{')
		conf[3] = tk_split_list(conf[3]) 
	      else
		conf[3] = tk_tcl2ruby(conf[3]) 
	      end
	    end
	    if conf[4]
	      if conf[4].index('{')
		conf[4] = tk_split_list(conf[4]) 
	      else
		conf[4] = tk_tcl2ruby(conf[4]) 
	      end
	    end
	  end
	  conf[1] = conf[1][1..-1] if conf.size == 2 # alias info
	  conf
	}
	fontconf = ret.assoc('font')
	if fontconf
	  ret.delete_if{|item| item[0] == 'font' || item[0] == 'kanjifont'}
	  fontconf[4] = tagfont_configinfo(index, fontconf[4])
	  ret.push(fontconf)
	else
	  ret
	end
      end
    else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
      if key
	case key.to_s
	when 'text', 'label', 'show'
	  conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure',index,"-#{key}")))
	when 'font', 'kanjifont'
	  conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure',index,"-#{key}")))
	  conf[4] = tagfont_configinfo(index, conf[4])
	else
	  conf = tk_split_list(_fromUTF8(tk_send_without_enc('itemconfigure',index,"-#{key}")))
	end
	key = conf.shift[1..-1]
	{ key => conf }
      else
	ret = {}
	tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', index))).each{|conflist|
	  conf = tk_split_simplelist(conflist)
	  key = conf.shift[1..-1]
	  case key
	  when 'text', 'label', 'show'
	  else
	    if conf[2]
	      if conf[2].index('{')
		conf[2] = tk_split_list(conf[2]) 
	      else
		conf[2] = tk_tcl2ruby(conf[2]) 
	      end
	    end
	    if conf[3]
	      if conf[3].index('{')
		conf[3] = tk_split_list(conf[3]) 
	      else
		conf[3] = tk_tcl2ruby(conf[3]) 
	      end
	    end
	  end
	  if conf.size == 1
	    ret[key] = conf[0][1..-1]  # alias info
	  else
	    ret[key] = conf
	  end
	}
	fontconf = ret['font']
	if fontconf
	  ret.delete('font')
	  ret.delete('kanjifont')
	  fontconf[3] = tagfont_configinfo(index, fontconf[3])
	  ret['font'] = fontconf
	end
	ret
      end
    end
  end

  def current_itemconfiginfo(index, key=nil)
    if TkComm::GET_CONFIGINFO_AS_ARRAY
      if key
	conf = itemconfiginfo(index, key)
	{conf[0] => conf[4]}
      else
	ret = {}
	itemconfiginfo(index).each{|conf|
	  ret[conf[0]] = conf[4] if conf.size > 2
	}
	ret
      end
    else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
      ret = {}
      itemconfiginfo(index, key).each{|k, conf|
	ret[k] = conf[-1] if conf.kind_of?(Array)
      }
      ret
    end
  end
=end
end