#! /usr/local/bin/ruby -d
#! /usr/local/bin/ruby
# -d ¥ª¥×¥·¥ç¥ó¤òÉÕ¤±¤ë¤È, ¥Ç¥Ð¥Ã¥°¾ðÊó¤òɽ¼¨¤¹¤ë.

# tcltk ¥é¥¤¥Ö¥é¥ê¤Î¥µ¥ó¥×¥ë

# ¤Þ¤º, ¥é¥¤¥Ö¥é¥ê¤ò require ¤¹¤ë.
require "tcltk"

# °Ê²¼¤Ï, Test1 ¤Î¥¤¥ó¥¹¥¿¥ó¥¹¤Î initialize() ¤Ç,
# tcl/tk ¤Ë´Ø¤¹¤ë½èÍý¤ò¹Ô¤¦Îã¤Ç¤¢¤ë.
# ɬ¤º¤·¤â¤½¤Î¤è¤¦¤Ë¤¹¤ëɬÍפÏ̵¤¯,
# (¤â¤·, ¤½¤¦¤·¤¿¤±¤ì¤Ð) class ¤Î³°¤Ç tcl/tk ¤Ë´Ø¤¹¤ë½èÍý¤ò¹Ô¤Ã¤Æ¤âÎɤ¤.

class Test1
  # ½é´ü²½(¥¤¥ó¥¿¥×¥ê¥¿¤òÀ¸À®¤·¤Æ¥¦¥£¥¸¥§¥Ã¥È¤òÀ¸À®¤¹¤ë).
  def initialize()

    #### »È¤¦Á°¤Î¤ª¤Þ¤¸¤Ê¤¤

    # ¥¤¥ó¥¿¥×¥ê¥¿¤ÎÀ¸À®.
    ip = TclTkInterpreter.new()
    # ¥³¥Þ¥ó¥É¤ËÂбþ¤¹¤ë¥ª¥Ö¥¸¥§¥¯¥È¤ò c ¤ËÀßÄꤷ¤Æ¤ª¤¯.
    c = ip.commands()
    # »ÈÍѤ¹¤ë¥³¥Þ¥ó¥É¤ËÂбþ¤¹¤ë¥ª¥Ö¥¸¥§¥¯¥È¤ÏÊÑ¿ô¤ËÆþ¤ì¤Æ¤ª¤¯.
    append, bind, button, destroy, incr, info, label, place, set, wm =
      c.values_at(
      "append", "bind", "button", "destroy", "incr", "info", "label", "place",
      "set", "wm")

    #### tcl/tk ¤Î¥³¥Þ¥ó¥É¤ËÂбþ¤¹¤ë¥ª¥Ö¥¸¥§¥¯¥È(TclTkCommand)¤ÎÁàºî

    # ¼Â¹Ô¤¹¤ë»þ¤Ï, e() ¥á¥½¥Ã¥É¤ò»È¤¦.
    # (°Ê²¼¤Ï, tcl/tk ¤Ë¤ª¤±¤ë info command r* ¤ò¼Â¹Ô.)
    print info.e("command", "r*"), "\n"
    # °ú¿ô¤Ï, ¤Þ¤È¤á¤¿Ê¸»úÎó¤Ë¤·¤Æ¤âƱ¤¸.
    print info.e("command r*"), "\n"
    # ÊÑ¿ô¤òÍѤ¤¤Ê¤¯¤È¤â¼Â¹Ô¤Ç¤­¤ë¤¬, ¸«¤¿¤á¤¬°­¤¤.
    print c["info"].e("command", "r*"), "\n"
    # ¥¤¥ó¥¿¥×¥ê¥¿¤Î¥á¥½¥Ã¥É¤È¤·¤Æ¤â¼Â¹Ô¤Ç¤­¤ë¤¬, ¸úΨ¤¬°­¤¤.
    print ip.info("command", "r*"), "\n"

    ####

    # °Ê²¼, À¸À®¤·¤¿¥ª¥Ö¥¸¥§¥¯¥È¤ÏÊÑ¿ô¤ËÂåÆþ¤·¤Æ¤ª¤«¤Ê¤¤¤È
    # GC ¤ÎÂоݤˤʤäƤ·¤Þ¤¦.

    #### tcl/tk ¤ÎÊÑ¿ô¤ËÂбþ¤¹¤ë¥ª¥Ö¥¸¥§¥¯¥È(TclTkVariable)¤ÎÁàºî

    # À¸À®¤ÈƱ»þ¤ËÃͤòÀßÄꤹ¤ë.
    v1 = TclTkVariable.new(ip, "20")
    # Æɤ߽Ф·¤Ï get ¥á¥½¥Ã¥É¤ò»È¤¦.
    print v1.get(), "\n"
    # ÀßÄê¤Ï set ¥á¥½¥Ã¥É¤ò»È¤¦.
    v1.set(40)
    print v1.get(), "\n"
    # set ¥³¥Þ¥ó¥É¤ò»È¤Ã¤ÆÆɤ߽Ф·, ÀßÄê¤Ï²Äǽ¤À¤¬¸«¤¿¤á¤¬°­¤¤.
    # e() ¥á¥½¥Ã¥ÉÅù¤Î°ú¿ô¤ËľÀÜ TclTkObject ¤ä¿ôÃͤò½ñ¤¤¤Æ¤âÎɤ¤.
    set.e(v1, 30)
    print set.e(v1), "\n"
    # tcl/tk ¤Î¥³¥Þ¥ó¥É¤ÇÊÑ¿ô¤òÁàºî¤Ç¤­¤ë.
    incr.e(v1)
    print v1.get(), "\n"
    append.e(v1, 10)
    print v1.get(), "\n"

    #### tcl/tk ¤Î¥¦¥£¥¸¥§¥Ã¥È¤ËÂбþ¤¹¤ë¥ª¥Ö¥¸¥§¥¯¥È(TclTkWidget)¤ÎÁàºî

    # ¥ë¡¼¥È¥¦¥£¥¸¥§¥Ã¥È¤ò¼è¤ê½Ð¤¹.
    root = ip.rootwidget()
    # ¥¦¥£¥¸¥§¥Ã¥È¤ÎÁàºî.
    root.e("configure -height 300 -width 300")
    # ¥¿¥¤¥È¥ë¤òÉÕ¤±¤ë¤È¤­¤Ï wm ¤ò»È¤¦.
    wm.e("title", root, $0)
    # ¿Æ¥¦¥£¥¸¥§¥Ã¥È¤È¥³¥Þ¥ó¥É¤ò»ØÄꤷ¤Æ, ¥¦¥£¥¸¥§¥Ã¥È¤òºî¤ë.
    l1 = TclTkWidget.new(ip, root, label, "-text {type `x' to print}")
    # place ¤¹¤ë¤Èɽ¼¨¤µ¤ì¤ë.
    place.e(l1, "-x 0 -rely 0.0 -relwidth 1 -relheight 0.1")
    # ¥³¥Þ¥ó¥É̾¤Ïʸ»úÎó¤Ç»ØÄꤷ¤Æ¤âÎɤ¤¤¬, ¸«¤¿¤á¤¬°­¤¤.
    # (¥³¥Þ¥ó¥É̾¤ÏÆÈΩ¤·¤¿°ú¿ô¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤.)
    l2 = TclTkWidget.new(ip, root, "label")
    # ¥¦¥£¥¸¥§¥Ã¥È¤ÎÁàºî.
    l2.e("configure -text {type `q' to exit}")
    place.e(l2, "-x 0 -rely 0.1 -relwidth 1 -relheight 0.1")

    #### tcl/tk ¤Î¥³¡¼¥ë¥Ð¥Ã¥¯¤ËÂбþ¤¹¤ë¥ª¥Ö¥¸¥§¥¯¥È(TclTkCallback)¤ÎÁàºî

    # ¥³¡¼¥ë¥Ð¥Ã¥¯¤òÀ¸À®¤¹¤ë.
    c1 = TclTkCallback.new(ip, proc{sample(ip, root)})
    # ¥³¡¼¥ë¥Ð¥Ã¥¯¤ò»ý¤Ä¥¦¥£¥¸¥§¥Ã¥È¤òÀ¸À®¤¹¤ë.
    b1 = TclTkWidget.new(ip, root, button, "-text sample -command", c1)
    place.e(b1, "-x 0 -rely 0.2 -relwidth 1 -relheight 0.1")
    # ¥¤¥Ù¥ó¥È¥ë¡¼¥×¤òÈ´¤±¤ë¤Ë¤Ï destroy.e(root) ¤¹¤ë.
    c2 = TclTkCallback.new(ip, proc{destroy.e(root)})
    b2 = TclTkWidget.new(ip, root, button, "-text exit -command", c2)
    place.e(b2, "-x 0 -rely 0.3 -relwidth 1 -relheight 0.1")

    #### ¥¤¥Ù¥ó¥È¤Î¥Ð¥¤¥ó¥É
    # script ¤ÎÄɲà (bind tag sequence +script) ¤Ïº£¤Î¤È¤³¤í¤Ç¤­¤Ê¤¤.
    # (¥¤¥Æ¥ì¡¼¥¿ÊÑ¿ô¤ÎÀßÄ꤬¤¦¤Þ¤¯¤¤¤«¤Ê¤¤.)

    # ´ðËÜŪ¤Ë¤Ï¥¦¥£¥¸¥§¥Ã¥È¤ËÂФ¹¤ë¥³¡¼¥ë¥Ð¥Ã¥¯¤ÈƱ¤¸.
    c3 = TclTkCallback.new(ip, proc{print("q pressed\n"); destroy.e(root)})
    bind.e(root, "q", c3)
    # bind ¥³¥Þ¥ó¥É¤Ç % ÃÖ´¹¤Ë¤è¤ê¥Ñ¥é¥á¡¼¥¿¤ò¼õ¤±¼è¤ê¤¿¤¤¤È¤­¤Ï,
    # proc{} ¤Î¸å¤í¤Ëʸ»úÎó¤Ç»ØÄꤹ¤ë¤È,
    # ÃÖ´¹·ë²Ì¤ò¥¤¥Æ¥ì¡¼¥¿ÊÑ¿ô¤òÄ̤·¤Æ¼õ¤±¼è¤ë¤³¤È¤¬¤Ç¤­¤ë.
    # ¤¿¤À¤· proc{} ¤Î¸å¤í¤Îʸ»úÎó¤Ï,
    # bind ¥³¥Þ¥ó¥É¤ËÍ¿¤¨¤ë¥³¡¼¥ë¥Ð¥Ã¥¯°Ê³°¤Ç»ØÄꤷ¤Æ¤Ï¤¤¤±¤Ê¤¤.
    c4 = TclTkCallback.new(ip, proc{|i| print("#{i} pressed\n")}, "%A")
    bind.e(root, "x",ChangeLog is maintained by "git log".
</code></pre></td></tr></table>
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àºî

    # ¥Ç¡¼¥¿¤ò»ØÄꤷ¤ÆÀ¸À®¤¹¤ë.
    i1 = TclTkImage.new(ip, "photo", "-file maru.gif")
    # ¥é¥Ù¥ë¤ËÄ¥¤êÉÕ¤±¤Æ¤ß¤ë.
    l3 = TclTkWidget.new(ip, root, label, "-relief raised -image", i1)
    place.e(l3, "-x 0 -rely 0.4 -relwidth 0.2 -relheight 0.2")
    # ¶õ¤Î¥¤¥á¡¼¥¸¤òÀ¸À®¤·¤Æ¸å¤ÇÁàºî¤¹¤ë.
    i2 = TclTkImage.new(ip, "photo")
    # ¥¤¥á¡¼¥¸¤òÁàºî¤¹¤ë.
    i2.e("copy", i1)
    i2.e("configure -gamma 0.5")
    l4 = TclTkWidget.new(ip, root, label, "-relief raised -image", i2)
    place.e(l4, "-relx 0.2 -rely 0.4 -relwidth 0.2 -relheight 0.2")

    ####
  end

  # ¥µ¥ó¥×¥ë¤Î¤¿¤á¤Î¥¦¥£¥¸¥§¥Ã¥È¤òÀ¸À®¤¹¤ë.
  def sample(ip, parent)
    bind, button, destroy, grid, toplevel, wm = ip.commands().values_at(
      "bind", "button", "destroy", "grid", "toplevel", "wm")

    ## toplevel

    # ¿·¤·¤¤¥¦¥¤¥ó¥É¥¦¤ò³«¤¯¤Ë¤Ï, toplevel ¤ò»È¤¦.
    t1 = TclTkWidget.new(ip, parent, toplevel)
    # ¥¿¥¤¥È¥ë¤òÉÕ¤±¤Æ¤ª¤¯
    wm.e("title", t1, "sample")

    # ¥¦¥£¥¸¥§¥Ã¥È¤¬Ç˲õ¤µ¤ì¤¿¤È¤­, ¥³¡¼¥ë¥Ð¥Ã¥¯¤¬ GC ¤ÎÂоݤˤʤë¤è¤¦¤Ë¤¹¤ë.
    cb = []
    cb.push(c = TclTkCallback.new(ip, proc{|w| TclTk.dcb(cb, t1, w)}, "%W"))
    bind.e(t1, "<Destroy>", c)

    # ¥Ü¥¿¥ó¤ÎÀ¸À®.
    wid = []
    # toplevel ¥¦¥£¥¸¥§¥Ã¥È¤òÇ˲õ¤¹¤ë¤Ë¤Ï destroy ¤¹¤ë.
    cb.push(c = TclTkCallback.new(ip, proc{destroy.e(t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text close -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_label(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text label -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_button(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text button -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_checkbutton(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text checkbutton -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_radiobutton(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text radiobutton -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_scale(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text scale -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_entry(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text entry -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_text(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text text -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_raise(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text raise/lower -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_modal(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text message/modal -command",
      c))
    cb.push(c = TclTkCallback.new(ip, proc{test_menu(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text menu -command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_listbox(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text listbox/scrollbar",
      "-command", c))
    cb.push(c = TclTkCallback.new(ip, proc{test_canvas(ip, t1)}))
    wid.push(TclTkWidget.new(ip, t1, button, "-text canvas -command", c))

    # grid ¤Çɽ¼¨¤¹¤ë.
    ro = co = 0
    wid.each{|w|
      grid.e(w, "-row", ro, "-column", co, "-sticky news")
      ro += 1
      if ro == 7
        ro = 0
        co += 1
      end
    }
  end

  # inittoplevel(ip, parent, title)
  #   °Ê²¼¤Î½èÍý¤ò¤Þ¤È¤á¤Æ¹Ô¤¦.
  #       1. toplevel ¥¦¥£¥¸¥§¥Ã¥È¤òºîÀ®¤¹¤ë.
  #       2. ¥³¡¼¥ë¥Ð¥Ã¥¯¤òÅÐÏ¿¤¹¤ëÇÛÎó¤òÍÑ°Õ¤·, toplevel ¥¦¥£¥¸¥§¥Ã¥È¤Î
  #         <Destroy> ¥¤¥Ù¥ó¥È¤Ë¥³¡¼¥ë¥Ð¥Ã¥¯¤òºï½ü¤¹¤ë¼ê³¤­¤òÅÐÏ¿¤¹¤ë.
  #       3. ¥¯¥í¡¼¥º¥Ü¥¿¥ó¤òºî¤ë.
  #     ºîÀ®¤·¤¿ toplevel ¥¦¥£¥¸¥§¥Ã¥È, ¥¯¥í¡¼¥º¥Ü¥¿¥ó, ¥³¡¼¥ë¥Ð¥Ã¥¯ÅÐÏ¿ÍÑÊÑ¿ô
  #     ¤òÊÖ¤¹.
  #   ip: ¥¤¥ó¥¿¥×¥ê¥¿
  #   parent: ¿Æ¥¦¥£¥¸¥§¥Ã¥È
  #   title: toplevel ¥¦¥£¥¸¥§¥Ã¥È¤Î¥¦¥¤¥ó¥É¥¦¤Î¥¿¥¤¥È¥ë
  def inittoplevel(ip, parent, title)
    bind, button, destroy, toplevel, wm = ip.commands().values_at(
      "bind", "button", "destroy", "toplevel", "wm")

    # ¿·¤·¤¤¥¦¥¤¥ó¥É¥¦¤ò³«¤¯¤Ë¤Ï, toplevel ¤ò»È¤¦.
    t1 = TclTkWidget.new(ip, parent, toplevel)
    # ¥¿¥¤¥È¥ë¤òÉÕ¤±¤Æ¤ª¤¯
    wm.e("title", t1, title)

    # ¥¦¥£¥¸¥§¥Ã¥È¤¬Ç˲õ¤µ¤ì¤¿¤È¤­, ¥³¡¼¥ë¥Ð¥Ã¥¯¤¬ GC ¤ÎÂоݤˤʤë¤è¤¦¤Ë¤¹¤ë.
    cb = []
    cb.push(c = TclTkCallback.new(ip, proc{|w| TclTk.dcb(cb, t1, w)}, "%W"))
    bind.e(t1, "<Destroy>", c)
    # close ¥Ü¥¿¥ó¤òºî¤Ã¤Æ¤ª¤¯.
    # toplevel ¥¦¥£¥¸¥§¥Ã¥È¤òÇ˲õ¤¹¤ë¤Ë¤Ï destroy ¤¹¤ë.
    cb.push(c = TclTkCallback.new(ip, proc{destroy.e(t1)}))
    b1 = TclTkWidget.new(ip, t1, button, "-text close -command", c)

    return t1, b1, cb
  end

  # label ¤Î¥µ¥ó¥×¥ë.
  def test_label(ip, parent)
    button, global, label, pack = ip.commands().values_at(
      "button", "global", "label", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "label")

    ## label

    # ¤¤¤í¤¤¤í¤Ê·Á¤Î¥é¥Ù¥ë.
    l1 = TclTkWidget.new(ip, t1, label, "-text {default(flat)}")
    l2 = TclTkWidget.new(ip, t1, label, "-text raised -relief raised")
    l3 = TclTkWidget.new(ip, t1, label, "-text sunken -relief sunken")
    l4 = TclTkWidget.new(ip, t1, label, "-text groove -relief groove")
    l5 = TclTkWidget.new(ip, t1, label, "-text ridge -relief ridge")
    l6 = TclTkWidget.new(ip, t1, label, "-bitmap error")
    l7 = TclTkWidget.new(ip, t1, label, "-bitmap questhead")

    # pack ¤·¤Æ¤âɽ¼¨¤µ¤ì¤ë.
    pack.e(b1, l1, l2, l3, l4, l5, l6, l7, "-pady 3")

    ## -textvariable

    # tcltk ¥é¥¤¥Ö¥é¥ê¤Î¼ÂÁõ¤Ç¤Ï, ¥³¡¼¥ë¥Ð¥Ã¥¯¤Ï tcl/tk ¤Î``¼ê³¤­''¤òÄ̤·¤Æ
    # ¸Æ¤Ð¤ì¤ë. ¤·¤¿¤¬¤Ã¤Æ, ¥³¡¼¥ë¥Ð¥Ã¥¯¤ÎÃæ¤Ç(Âç°è)ÊÑ¿ô¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È¤­¤Ï,
    # global ¤¹¤ëɬÍפ¬¤¢¤ë.
    # global ¤¹¤ëÁ°¤ËÊÑ¿ô¤ËÃͤòÀßÄꤷ¤Æ¤·¤Þ¤¦¤È¥¨¥é¡¼¤Ë¤Ê¤ë¤Î¤Ç,
    # tcl/tk ¤Ë¤ª¤±¤ëɽ¸½·Á¤À¤±À¸À®¤·¤Æ, ¼ÂºÝ¤ËÃͤòÀßÄꤷ¤Ê¤¤¤è¤¦¤Ë,
    # 2 ÈÖÌܤΰú¿ô¤Ë¤Ï nil ¤òÍ¿¤¨¤ë.
    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    v1.set(100)
    # -textvariable ¤ÇÊÑ¿ô¤òÀßÄꤹ¤ë.
    l6 = TclTkWidget.new(ip, t1, label, "-textvariable", v1)
    # ¥³¡¼¥ë¥Ð¥Ã¥¯¤ÎÃ椫¤éÊÑ¿ô¤òÁàºî¤¹¤ë.
    cb.push(c = TclTkCallback.new(ip, proc{
      global.e(v1); v1.set(v1.get().to_i + 10)}))
    b2 = TclTkWidget.new(ip, t1, button, "-text +10 -command", c)
    cb.push(c = TclTkCallback.new(ip, proc{
      global.e(v1); v1.set(v1.get().to_i - 10)}))
    b3 = TclTkWidget.new(ip, t1, button, "-text -10 -command", c)
    pack.e(l6, b2, b3)
  end

  # button ¤Î¥µ¥ó¥×¥ë.
  def test_button(ip, parent)
    button, pack = ip.commands().values_at("button", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "button")

    ## button

    # ¥³¡¼¥ë¥Ð¥Ã¥¯Æâ¤Ç»²¾È¤¹¤ëÊÑ¿ô¤ÏÀè¤ËÀë¸À¤·¤Æ¤ª¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤.
    b3 = b4 = nil
    cb.push(c = TclTkCallback.new(ip, proc{b3.e("flash"); b4.e("flash")}))
    b2 = TclTkWidget.new(ip, t1, button, "-text flash -command", c)
    cb.push(c = TclTkCallback.new(ip, proc{b2.e("configure -state normal")}))
    b3 = TclTkWidget.new(ip, t1, button, "-text normal -command", c)
    cb.push(c = TclTkCallback.new(ip, proc{b2.e("configure -state disabled")}))
    b4 = TclTkWidget.new(ip, t1, button, "-text disable -command", c)
    pack.e(b1, b2, b3, b4)
  end

  # checkbutton ¤Î¥µ¥ó¥×¥ë.
  def test_checkbutton(ip, parent)
    checkbutton, global, pack = ip.commands().values_at(
      "checkbutton", "global", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "checkbutton")

    ## checkbutton

    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    # -variable ¤ÇÊÑ¿ô¤òÀßÄꤹ¤ë.
    ch1 = TclTkWidget.new(ip, t1, checkbutton, "-onvalue on -offvalue off",
      "-textvariable", v1, "-variable", v1)
    pack.e(b1, ch1)
  end

  # radiobutton ¤Î¥µ¥ó¥×¥ë.
  def test_radiobutton(ip, parent)
    global, label, pack, radiobutton = ip.commands().values_at(
      "global", "label", "pack", "radiobutton")
    t1, b1, cb = inittoplevel(ip, parent, "radiobutton")

    ## radiobutton

    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    # ¥Ì¥ë¥¹¥È¥ê¥ó¥°¤Ï "{}" ¤Ç»ØÄꤹ¤ë.
    v1.set("{}")
    l1 = TclTkWidget.new(ip, t1, label, "-textvariable", v1)
    # -variable ¤ÇƱ¤¸ÊÑ¿ô¤ò»ØÄꤹ¤ë¤ÈƱ¤¸¥°¥ë¡¼¥×¤Ë¤Ê¤ë.
    ra1 = TclTkWidget.new(ip, t1, radiobutton,
      "-text radio1 -value r1 -variable", v1)
    ra2 = TclTkWidget.new(ip, t1, radiobutton,
      "-text radio2 -value r2 -variable", v1)
    cb.push(c = TclTkCallback.new(ip, proc{global.e(v1); v1.set("{}")}))
    ra3 = TclTkWidget.new(ip, t1, radiobutton,
      "-text clear -value r3 -variable", v1, "-command", c)
    pack.e(b1, l1, ra1, ra2, ra3)
  end

  # scale ¤Î¥µ¥ó¥×¥ë.
  def test_scale(ip, parent)
    global, pack, scale = ip.commands().values_at(
      "global", "pack", "scale")
    t1, b1, cb = inittoplevel(ip, parent, "scale")

    ## scale

    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    v1.set(219)
    # ¥³¡¼¥ë¥Ð¥Ã¥¯Æâ¤Ç»²¾È¤¹¤ëÊÑ¿ô¤ÏÀè¤ËÀë¸À¤·¤Æ¤ª¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤.
    sca1 = nil
    cb.push(c = TclTkCallback.new(ip, proc{global.e(v1); v = v1.get();
      sca1.e("configure -background", format("#%02x%02x%02x", v, v, v))}))
    sca1 = TclTkWidget.new(ip, t1, scale,
      "-label scale -orient h -from 0 -to 255 -variable", v1, "-command", c)
    pack.e(b1, sca1)
  end

  # entry ¤Î¥µ¥ó¥×¥ë.
  def test_entry(ip, parent)
    button, entry, global, pack = ip.commands().values_at(
      "button", "entry", "global", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "entry")

    ## entry

    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    # ¥Ì¥ë¥¹¥È¥ê¥ó¥°¤Ï "{}" ¤Ç»ØÄꤹ¤ë.
    v1.set("{}")
    en1 = TclTkWidget.new(ip, t1, entry, "-textvariable", v1)
    cb.push(c = TclTkCallback.new(ip, proc{
      global.e(v1); print(v1.get(), "\n"); v1.set("{}")}))
    b2 = TclTkWidget.new(ip, t1, button, "-text print -command", c)
    pack.e(b1, en1, b2)
  end

  # text ¤Î¥µ¥ó¥×¥ë.
  def test_text(ip, parent)
    button, pack, text = ip.commands().values_at(
      "button", "pack", "text")
    t1, b1, cb = inittoplevel(ip, parent, "text")

    ## text

    te1 = TclTkWidget.new(ip, t1, text)
    cb.push(c = TclTkCallback.new(ip, proc{
      # 1 ¹ÔÌܤΠ0 ʸ»úÌܤ«¤éºÇ¸å¤Þ¤Ç¤òɽ¼¨¤·, ºï½ü¤¹¤ë.
      print(te1.e("get 1.0 end")); te1.e("delete 1.0 end")}))
    b2 = TclTkWidget.new(ip, t1, button, "-text print -command", c)
    pack.e(b1, te1, b2)
  end

  # raise/lower ¤Î¥µ¥ó¥×¥ë.
  def test_raise(ip, parent)
    button, frame, lower, pack, raise = ip.commands().values_at(
      "button", "frame", "lower", "pack", "raise")
    t1, b1, cb = inittoplevel(ip, parent, "raise/lower")

    ## raise/lower

    # button ¤ò±£¤¹¥Æ¥¹¥È¤Î¤¿¤á¤Ë, frame ¤ò»È¤¦.
    f1 = TclTkWidget.new(ip, t1, frame)
    # ¥³¡¼¥ë¥Ð¥Ã¥¯Æâ¤Ç»²¾È¤¹¤ëÊÑ¿ô¤ÏÀè¤ËÀë¸À¤·¤Æ¤ª¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤.
    b2 = nil
    cb.push(c = TclTkCallback.new(ip, proc{raise.e(f1, b2)}))
    b2 = TclTkWidget.new(ip, t1, button, "-text raise -command", c)
    cb.push(c = TclTkCallback.new(ip, proc{lower.e(f1, b2)}))
    b3 = TclTkWidget.new(ip, t1, button, "-text lower -command", c)
    lower.e(f1, b3)

    pack.e(b2, b3, "-in", f1)
    pack.e(b1, f1)
  end

  # modal ¤Ê¥¦¥£¥¸¥§¥Ã¥È¤Î¥µ¥ó¥×¥ë.
  def test_modal(ip, parent)
    button, frame, message, pack, tk_chooseColor, tk_getOpenFile,
      tk_messageBox = ip.commands().values_at(
      "button", "frame", "message", "pack", "tk_chooseColor",
      "tk_getOpenFile", "tk_messageBox")
    # ºÇ½é¤Ë load ¤µ¤ì¤Æ¤¤¤Ê¤¤¥é¥¤¥Ö¥é¥ê¤Ï ip.commands() ¤Ë¸ºß¤·¤Ê¤¤¤Î¤Ç,
    # TclTkLibCommand ¤òÀ¸À®¤¹¤ëɬÍפ¬¤¢¤ë.
    tk_dialog = TclTkLibCommand.new(ip, "tk_dialog")
    t1, b1, cb = inittoplevel(ip, parent, "message/modal")

    ## message

    mes = "¤³¤ì¤Ï message ¥¦¥£¥¸¥§¥Ã¥È¤Î¥Æ¥¹¥È¤Ç¤¹."
    mes += "°Ê²¼¤Ï modal ¤Ê¥¦¥£¥¸¥§¥Ã¥È¤Î¥Æ¥¹¥È¤Ç¤¹."
    me1 = TclTkWidget.new(ip, t1, message, "-text {#{mes}}")

    ## modal

    # tk_messageBox
    cb.push(c = TclTkCallback.new(ip, proc{
      print tk_messageBox.e("-type yesnocancel -message messageBox",
      "-icon error -default cancel -title messageBox"), "\n"}))
    b2 = TclTkWidget.new(ip, t1, button, "-text messageBox -command", c)
    # tk_dialog
    cb.push(c = TclTkCallback.new(ip, proc{
      # ¥¦¥£¥¸¥§¥Ã¥È̾¤òÀ¸À®¤¹¤ë¤¿¤á¤Ë¥À¥ß¡¼¤Î frame ¤òÀ¸À®.
      print tk_dialog.e(TclTkWidget.new(ip, t1, frame),
      "dialog dialog error 2 yes no cancel"), "\n"}))
    b3 = TclTkWidget.new(ip, t1, button, "-text dialog -command", c)
    # tk_chooseColor
    cb.push(c = TclTkCallback.new(ip, proc{
      print tk_chooseColor.e("-title chooseColor"), "\n"}))
    b4 = TclTkWidget.new(ip, t1, button, "-text chooseColor -command", c)
    # tk_getOpenFile
    cb.push(c = TclTkCallback.new(ip, proc{
      print tk_getOpenFile.e("-defaultextension .rb",
      "-filetypes {{{Ruby Script} {.rb}} {{All Files} {*}}}",
      "-title getOpenFile"), "\n"}))
    b5 = TclTkWidget.new(ip, t1, button, "-text getOpenFile -command", c)

    pack.e(b1, me1, b2, b3, b4, b5)
  end

  # menu ¤Î¥µ¥ó¥×¥ë.
  def test_menu(ip, parent)
    global, menu, menubutton, pack = ip.commands().values_at(
      "global", "menu", "menubutton", "pack")
    tk_optionMenu = TclTkLibCommand.new(ip, "tk_optionMenu")
    t1, b1, cb = inittoplevel(ip, parent, "menu")

    ## menu

    # menubutton ¤òÀ¸À®¤¹¤ë.
    mb1 = TclTkWidget.new(ip, t1, menubutton, "-text menu")
    # menu ¤òÀ¸À®¤¹¤ë.
    me1 = TclTkWidget.new(ip, mb1, menu)
    # mb1 ¤«¤é me1 ¤¬µ¯Æ°¤µ¤ì¤ë¤è¤¦¤Ë¤¹¤ë.
    mb1.e("configure -menu", me1)

    # cascade ¤Çµ¯Æ°¤µ¤ì¤ë menu ¤òÀ¸À®¤¹¤ë.
    me11 = TclTkWidget.new(ip, me1, menu)
    # radiobutton ¤Î¥µ¥ó¥×¥ë.
    v1 = TclTkVariable.new(ip, nil); global.e(v1); v1.set("r1")
    me11.e("add radiobutton -label radio1 -value r1 -variable", v1)
    me11.e("add radiobutton -label radio2 -value r2 -variable", v1)
    me11.e("add radiobutton -label radio3 -value r3 -variable", v1)
    # cascade ¤Ë¤è¤ê mb11 ¤¬µ¯Æ°¤µ¤ì¤ë¤è¤¦¤Ë¤¹¤ë.
    me1.e("add cascade -label cascade -menu", me11)

    # checkbutton ¤Î¥µ¥ó¥×¥ë.
    v2 = TclTkVariable.new(ip, nil); global.e(v2); v2.set("none")
    me1.e("add checkbutton -label check -variable", v2)
    # separator ¤Î¥µ¥ó¥×¥ë.
    me1.e("add separator")
    # command ¤Î¥µ¥ó¥×¥ë.
    v3 = nil
    cb.push(c = TclTkCallback.new(ip, proc{
      global.e(v1, v2, v3); print "v1: ", v1.get(), ", v2: ", v2.get(),
      ", v3: ", v3.get(), "\n"}))
    me1.e("add command -label print -command", c)

    ## tk_optionMenu

    v3 = TclTkVariable.new(ip, nil); global.e(v3); v3.set("opt2")
    om1 = TclTkWidget.new(ip, t1, tk_optionMenu, v3, "opt1 opt2 opt3 opt4")

    pack.e(b1, mb1, om1, "-side left")
  end

  # listbox ¤Î¥µ¥ó¥×¥ë.
  def test_listbox(ip, parent)
    clipboard, frame, grid, listbox, lower, menu, menubutton, pack, scrollbar,
      selection = ip.commands().values_at(
      "clipboard", "frame", "grid", "listbox", "lower", "menu", "menubutton",
      "pack", "scrollbar", "selection")
    t1, b1, cb = inittoplevel(ip, parent, "listbox")

    ## listbox/scrollbar

    f1 = TclTkWidget.new(ip, t1, frame)
    # ¥³¡¼¥ë¥Ð¥Ã¥¯Æâ¤Ç»²¾È¤¹¤ëÊÑ¿ô¤ÏÀè¤ËÀë¸À¤·¤Æ¤ª¤«¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤.
    li1 = sc1 = sc2 = nil
    # ¼Â¹Ô»þ¤Ë, ¸å¤í¤Ë¥Ñ¥é¥á¡¼¥¿¤¬¤Ä¤¯¥³¡¼¥ë¥Ð¥Ã¥¯¤Ï,
    # ¥¤¥Æ¥ì¡¼¥¿ÊÑ¿ô¤Ç¤½¤Î¥Ñ¥é¥á¡¼¥¿¤ò¼õ¤±¼è¤ë¤³¤È¤¬¤Ç¤­¤ë.
    # (Ê£¿ô¤Î¥Ñ¥é¥á¡¼¥¿¤Ï¤Ò¤È¤Ä¤Îʸ»úÎó¤Ë¤Þ¤È¤á¤é¤ì¤ë.)
    cb.push(c1 = TclTkCallback.new(ip, proc{|i| li1.e("xview", i)}))
    cb.push(c2 = TclTkCallback.new(ip, proc{|i| li1.e("yview", i)}))
    cb.push(c3 = TclTkCallback.new(ip, proc{|i| sc1.e("set", i)}))
    cb.push(c4 = TclTkCallback.new(ip, proc{|i| sc2.e("set", i)}))
    # listbox
    li1 = TclTkWidget.new(ip, f1, listbox,
      "-xscrollcommand", c3, "-yscrollcommand", c4,
      "-selectmode extended -exportselection true")
    for i in 1..20
      li1.e("insert end {line #{i} line #{i} line #{i} line #{i} line #{i}}")
    end
    # scrollbar
    sc1 = TclTkWidget.new(ip, f1, scrollbar, "-orient horizontal -command", c1)
    sc2 = TclTkWidget.new(ip, f1, scrollbar, "-orient vertical -command", c2)

    ## selection/clipboard

    mb1 = TclTkWidget.new(ip, t1, menubutton, "-text edit")
    me1 = TclTkWidget.new(ip, mb1, menu)
    mb1.e("configure -menu", me1)
    cb.push(c = TclTkCallback.new(ip, proc{
      # clipboard ¤ò¥¯¥ê¥¢.
      clipboard.e("clear")
      # selection ¤«¤éʸ»úÎó¤òÆɤ߹þ¤ß clipboard ¤ËÄɲ乤ë.
      clipboard.e("append {#{selection.e('get')}}")}))
    me1.e("add command -label {selection -> clipboard} -command",c)
    cb.push(c = TclTkCallback.new(ip, proc{
      # li1 ¤ò¥¯¥ê¥¢.
      li1.e("delete 0 end")
      # clipboard ¤«¤éʸ»úÎó¤ò¼è¤ê½Ð¤·, 1 ¹Ô¤º¤Ä
      selection.e("get -selection CLIPBOARD").split(/\n/).each{|line|
        # li1 ¤ËÁÞÆþ¤¹¤ë.
        li1.e("insert end {#{line}}")}}))
    me1.e("add command -label {clipboard -> listbox} -command",c)

    grid.e(li1, "-row 0 -column 0 -sticky news")
    grid.e(sc1, "-row 1 -column 0 -sticky ew")
    grid.e(sc2, "-row 0 -column 1 -sticky ns")
    grid.e("rowconfigure", f1, "0 -weight 100")
    grid.e("columnconfigure", f1, "0 -weight 100")
    f2 = TclTkWidget.new(ip, t1, frame)
    lower.e(f2, b1)
    pack.e(b1, mb1, "-in", f2, "-side left")
    pack.e(f2, f1)
  end

  # canvas ¤Î¥µ¥ó¥×¥ë.
  def test_canvas(ip, parent)
    canvas, lower, pack = ip.commands().values_at("canvas", "lower", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "canvas")

    ## canvas

    ca1 = TclTkWidget.new(ip, t1, canvas, "-width 400 -height 300")
    lower.e(ca1, b1)
    # rectangle ¤òºî¤ë.
    idr = ca1.e("create rectangle 10 10 20 20")
    # oval ¤òºî¤ë.
    ca1.e("create oval 60 10 100 50")
    # polygon ¤òºî¤ë.
    ca1.e("create polygon 110 10 110 30 140 10")
    # line ¤òºî¤ë.
    ca1.e("create line 150 10 150 30 190 10")
    # arc ¤òºî¤ë.
    ca1.e("create arc 200 10 250 50 -start 0 -extent 90 -style pieslice")
    # i1 ¤ÏËÜÅö¤Ï, ¤É¤³¤«¤ÇÇ˲õ¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤¬, ÌÌÅݤʤΤÇÊü¤Ã¤Æ¤¢¤ë.
    i1 = TclTkImage.new(ip, "photo", "-file maru.gif")
    # image ¤òºî¤ë.
    ca1.e("create image 100 100 -image", i1)
    # bitmap ¤òºî¤ë.
    ca1.e("create bitmap 260 50 -bitmap questhead")
    # text ¤òºî¤ë.
    ca1.e("create text 320 50 -text {drag rectangle}")
    # window ¤òºî¤ë(¥¯¥í¡¼¥º¥Ü¥¿¥ó).
    ca1.e("create window 200 200 -window", b1)

    # bind ¤Ë¤è¤ê rectangle ¤ò drag ¤Ç¤­¤ë¤è¤¦¤Ë¤¹¤ë.
    cb.push(c = TclTkCallback.new(ip, proc{|i|
      # i ¤Ë x ¤È y ¤ò¼õ¤±¼è¤ë¤Î¤Ç, ¼è¤ê½Ð¤¹.
      x, y = i.split(/ /); x = x.to_f; y = y.to_f
      # ºÂɸ¤òÊѹ¹¤¹¤ë.
      ca1.e("coords current #{x - 5} #{y - 5} #{x + 5} #{y + 5}")},
      # x, y ºÂɸ¤ò¶õÇò¤Ç¶èÀڤ俤â¤Î¤ò¥¤¥Æ¥ì¡¼¥¿ÊÑ¿ô¤ØÅϤ¹¤è¤¦¤Ë»ØÄê.
      "%x %y"))
    # rectangle ¤Ë bind ¤¹¤ë.
    ca1.e("bind", idr, "<B1-Motion>", c)

    pack.e(ca1)
  end
end

# test driver

if ARGV.size == 0
  print "#{$0} n ¤Ç, n ¸Ä¤Î¥¤¥ó¥¿¥×¥ê¥¿¤òµ¯Æ°¤·¤Þ¤¹.\n"
  n = 1
else
  n = ARGV[0].to_i
end

print "start\n"
ip = []

# ¥¤¥ó¥¿¥×¥ê¥¿, ¥¦¥£¥¸¥§¥Ã¥ÈÅù¤ÎÀ¸À®.
for i in 1 .. n
  ip.push(Test1.new())
end

# ÍÑ°Õ¤¬¤Ç¤­¤¿¤é¥¤¥Ù¥ó¥È¥ë¡¼¥×¤ËÆþ¤ë.
TclTk.mainloop()
print "exit from mainloop\n"

# ¥¤¥ó¥¿¥×¥ê¥¿¤¬ GC ¤µ¤ì¤ë¤«¤Î¥Æ¥¹¥È.
ip = []
print "GC.start\n" if $DEBUG
GC.start() if $DEBUG
print "end\n"

exit

# end