#! /usr/local/bin/ruby -d
#! /usr/local/bin/ruby
# -d ץդ, ǥХåɽ.

# tcltk 饤֥Υץ

# ޤ, 饤֥ require .
require "tcltk"

# ʲ, Test1 Υ󥹥󥹤 initialize() ,
# tcl/tk ˴ؤԤǤ.
# ɬ⤽Τ褦ˤɬפ̵,
# (⤷, ) class γ tcl/tk ˴ؤԤäƤɤ.

class Test1
  # (󥿥ץ꥿ƥåȤ).
  def initialize()

    #### ȤΤޤʤ

    # 󥿥ץ꥿.
    ip = TclTkInterpreter.new()
    # ޥɤб륪֥Ȥ c ꤷƤ.
    c = ip.commands()
    # Ѥ륳ޥɤб륪֥ȤѿƤ.
    append, bind, button, destroy, incr, info, label, place, set, wm =
      c.indexes(
      "append", "bind", "button", "destroy", "incr", "info", "label", "place",
      "set", "wm")

    #### tcl/tk Υޥɤб륪֥(TclTkCommand)

    # ¹Ԥ, e() ᥽åɤȤ.
    # (ʲ, tcl/tk ˤ info command r* ¹.)
    print info.e("command", "r*"), "\n"
    # , ޤȤ᤿ʸˤƤƱ.
    print info.e("command r*"), "\n"
    # ѿѤʤȤ¹ԤǤ뤬, ᤬.
    print c["info"].e("command", "r*"), "\n"
    # 󥿥ץ꥿Υ᥽åɤȤƤ¹ԤǤ뤬, Ψ.
    print ip.info("command", "r*"), "\n"

    ####

    # ʲ, ֥ȤѿƤʤ
    # GC оݤˤʤäƤޤ.

    #### tcl/tk ѿб륪֥(TclTkVariable)

    # Ʊͤꤹ.
    v1 = TclTkVariable.new(ip, "20")
    # ɤ߽Ф get ᥽åɤȤ.
    print v1.get(), "\n"
    #  set ᥽åɤȤ.
    v1.set(40)
    print v1.get(), "\n"
    # set ޥɤȤäɤ߽Ф, ϲǽ᤬.
    # e() ᥽åΰľ TclTkObject ͤ񤤤Ƥɤ.
    set.e(v1, 30)
    print set.e(v1), "\n"
    # tcl/tk ΥޥɤѿǤ.
    incr.e(v1)
    print v1.get(), "\n"
    append.e(v1, 10)
    print v1.get(), "\n"

    #### tcl/tk ΥåȤб륪֥(TclTkWidget)

    # 롼ȥåȤФ.
    root = ip.rootwidget()
    # åȤ.
    root.e("configure -height 300 -width 300")
    # ȥդȤ wm Ȥ.
    wm.e("title", root, $0)
    # ƥåȤȥޥɤꤷ, åȤ.
    l1 = TclTkWidget.new(ip, root, label, "-text {type `x' to print}")
    # place ɽ.
    place.e(l1, "-x 0 -rely 0.0 -relwidth 1 -relheight 0.1")
    # ޥ̾ʸǻꤷƤɤ, ᤬.
    # (ޥ̾ΩǤʤФʤʤ.)
    l2 = TclTkWidget.new(ip, root, "label")
    # åȤ.
    l2.e("configure -text {type `q' to exit}")
    place.e(l2, "-x 0 -rely 0.1 -relwidth 1 -relheight 0.1")

    #### tcl/tk ΥХåб륪֥(TclTkCallback)

    # Хå.
    c1 = TclTkCallback.new(ip, proc{sample(ip, root)})
    # ХåĥåȤ.
    b1 = TclTkWidget.new(ip, root, button, "-text sample -command", c1)
    place.e(b1, "-x 0 -rely 0.2 -relwidth 1 -relheight 0.1")
    # ٥ȥ롼פȴˤ destroy.e(root) .
    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")

    #### ٥ȤΥХ
    # script ɲ (bind tag sequence +script) ϺΤȤǤʤ.
    # (ƥ졼ѿ꤬ޤʤ.)

    # ŪˤϥåȤФ륳ХåƱ.
    c3 = TclTkCallback.new(ip, proc{print("q pressed\n"); destroy.e(root)})
    bind.e(root, "q", c3)
    # bind ޥɤ % ִˤѥ᡼ꤿȤ,
    # proc{} θʸǻꤹ,
    # ִ̤򥤥ƥ졼ѿ̤Ƽ뤳ȤǤ.
    #  proc{} θʸ,
    # bind ޥɤͿ륳ХåʳǻꤷƤϤʤ.
    c4 = TclTkCallback.new(ip, proc{|i| print("#{i} pressed\n")}, "%A")
    bind.e(root, "x", c4)
    # TclTkCallback  GC оݤˤ,
    # dcb() (ޤ deletecallbackkeys()) ɬפ.
    cb = [c1, c2, c3, c4]
    c5 = TclTkCallback.new(ip, proc{|w| TclTk.dcb(cb, root, w)}, "%W")
    bind.e(root, "<Destroy>", c5)
    cb.push(c5)

    #### tcl/tk Υ᡼б륪֥(TclTkImage)

    # ǡꤷ.
    i1 = TclTkImage.new(ip, "photo", "-file maru.gif")
    # ٥ĥդƤߤ.
    l3 = TclTkWidget.new(ip, root, label, "-relief raised -image", i1)
    place.e(l3, "-x 0 -rely 0.4 -relwidth 0.2 -relheight 0.2")
    # Υ᡼Ƹ.
    i2 = TclTkImage.new(ip, "photo")
    # ᡼.
    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

  # ץΤΥåȤ.
  def sample(ip, parent)
    bind, button, destroy, grid, toplevel, wm = ip.commands().indexes(
      "bind", "button", "destroy", "grid", "toplevel", "wm")

    ## toplevel

    # ɥ򳫤ˤ, toplevel Ȥ.
    t1 = TclTkWidget.new(ip, parent, toplevel)
    # ȥդƤ
    wm.e("title", t1, "sample")

    # åȤ˲줿Ȥ, Хå GC оݤˤʤ褦ˤ.
    cb = []
    cb.push(c = TclTkCallback.new(ip, proc{|w| TclTk.dcb(cb, t1, w)}, "%W"))
    bind.e(t1, "<Destroy>", c)

    # ܥ.
    wid = []
    # toplevel åȤ˲ˤ destroy .
    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 ɽ.
    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)
  #   ʲνޤȤƹԤ.
  #       1. toplevel åȤ.
  #       2. ХåϿѰդ, toplevel åȤ
  #         <Destroy> ٥Ȥ˥Хå³Ͽ.
  #       3. ܥ.
  #      toplevel å, ܥ, ХåϿѿ
  #     ֤.
  #   ip: 󥿥ץ꥿
  #   parent: ƥå
  #   title: toplevel åȤΥɥΥȥ
  def inittoplevel(ip, parent, title)
    bind, button, destroy, toplevel, wm = ip.commands().indexes(
      "bind", "button", "destroy", "toplevel", "wm")

    # ɥ򳫤ˤ, toplevel Ȥ.
    t1 = TclTkWidget.new(ip, parent, toplevel)
    # ȥդƤ
    wm.e("title", t1, title)

    # åȤ˲줿Ȥ, Хå GC оݤˤʤ褦ˤ.
    cb = []
    cb.push(c = TclTkCallback.new(ip, proc{|w| TclTk.dcb(cb, t1, w)}, "%W"))
    bind.e(t1, "<Destroy>", c)
    # close ܥäƤ.
    # toplevel åȤ˲ˤ destroy .
    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 Υץ.
  def test_label(ip, parent)
    button, global, label, pack = ip.commands().indexes(
      "button", "global", "label", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "label")

    ## label

    # ʷΥ٥.
    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 Ƥɽ.
    pack.e(b1, l1, l2, l3, l4, l5, l6, l7, "-pady 3")

    ## -textvariable

    # tcltk 饤֥μǤ, Хå tcl/tk ``³''̤
    # ƤФ. ä, Хå()ѿ˥Ȥ,
    # global ɬפ.
    # global ѿͤꤷƤޤȥ顼ˤʤΤ,
    # tcl/tk ˤɽ, ºݤͤꤷʤ褦,
    # 2 ܤΰˤ nil Ϳ.
    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    v1.set(100)
    # -textvariable ѿꤹ.
    l6 = TclTkWidget.new(ip, t1, label, "-textvariable", v1)
    # Хå椫ѿ.
    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 Υץ.
  def test_button(ip, parent)
    button, pack = ip.commands().indexes("button", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "button")

    ## button

    # ХåǻȤѿƤʤФʤʤ.
    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 Υץ.
  def test_checkbutton(ip, parent)
    checkbutton, global, pack = ip.commands().indexes(
      "checkbutton", "global", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "checkbutton")

    ## checkbutton

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

  # radiobutton Υץ.
  def test_radiobutton(ip, parent)
    global, label, pack, radiobutton = ip.commands().indexes(
      "global", "label", "pack", "radiobutton")
    t1, b1, cb = inittoplevel(ip, parent, "radiobutton")

    ## radiobutton

    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    # ̥륹ȥ󥰤 "{}" ǻꤹ.
    v1.set("{}")
    l1 = TclTkWidget.new(ip, t1, label, "-textvariable", v1)
    # -variable ƱѿꤹƱ롼פˤʤ.
    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 Υץ.
  def test_scale(ip, parent)
    global, pack, scale = ip.commands().indexes(
      "global", "pack", "scale")
    t1, b1, cb = inittoplevel(ip, parent, "scale")

    ## scale

    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    v1.set(219)
    # ХåǻȤѿƤʤФʤʤ.
    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 Υץ.
  def test_entry(ip, parent)
    button, entry, global, pack = ip.commands().indexes(
      "button", "entry", "global", "pack")
    t1, b1, cb = inittoplevel(ip, parent, "entry")

    ## entry

    v1 = TclTkVariable.new(ip, nil)
    global.e(v1)
    # ̥륹ȥ󥰤 "{}" ǻꤹ.
    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 Υץ.
  def test_text(ip, parent)
    button, pack, text = ip.commands().indexes(
      "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 ܤ 0 ʸܤǸޤǤɽ, .
      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 Υץ.
  def test_raise(ip, parent)
    button, frame, lower, pack, raise = ip.commands().indexes(
      "button", "frame", "lower", "pack", "raise")
    t1, b1, cb = inittoplevel(ip, parent, "raise/lower")

    ## raise/lower

    # button 򱣤ƥȤΤ, frame Ȥ.
    f1 = TclTkWidget.new(ip, t1, frame)
    # ХåǻȤѿƤʤФʤʤ.
    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 ʥåȤΥץ.
  def test_modal(ip, parent)
    button, frame, message, pack, tk_chooseColor, tk_getOpenFile,
      tk_messageBox = ip.commands().indexes(
      "button", "frame", "message", "pack", "tk_chooseColor",
      "tk_getOpenFile", "tk_messageBox")
    # ǽ load Ƥʤ饤֥ ip.commands() ¸ߤʤΤ,
    # TclTkLibCommand ɬפ.
    tk_dialog = TclTkLibCommand.new(ip, "tk_dialog")
    t1, b1, cb = inittoplevel(ip, parent, "message/modal")

    ## message

    mes = " message åȤΥƥȤǤ."
    mes += "ʲ modal ʥåȤΥƥȤǤ."
    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{
      # å̾뤿˥ߡ frame .
      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 Υץ.
  def test_menu(ip, parent)
    global, menu, menubutton, pack = ip.commands().indexes(
      "global", "menu", "menubutton", "pack")
    tk_optionMenu = TclTkLibCommand.new(ip, "tk_optionMenu")
    t1, b1, cb = inittoplevel(ip, parent, "menu")

    ## menu

    # menubutton .
    mb1 = TclTkWidget.new(ip, t1, menubutton, "-text menu")
    # menu .
    me1 = TclTkWidget.new(ip, mb1, menu)
    # mb1  me1 ư褦ˤ.
    mb1.e("configure -menu", me1)

    # cascade ǵư menu .
    me11 = TclTkWidget.new(ip, me1, menu)
    # radiobutton Υץ.
    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 ˤ mb11 ư褦ˤ.
    me1.e("add cascade -label cascade -menu", me11)

    # checkbutton Υץ.
    v2 = TclTkVariable.new(ip, nil); global.e(v2); v2.set("none")
    me1.e("add checkbutton -label check -variable", v2)
    # separator Υץ.
    me1.e("add separator")
    # command Υץ.
    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 Υץ.
  def test_listbox(ip, parent)
    clipboard, frame, grid, listbox, lower, menu, menubutton, pack, scrollbar,
      selection = ip.commands().indexes(
      "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)
    # ХåǻȤѿƤʤФʤʤ.
    li1 = sc1 = sc2 = nil
    # ¹Ի, ˥ѥ᡼ĤХå,
    # ƥ졼ѿǤΥѥ᡼뤳ȤǤ.
    # (ʣΥѥ᡼ϤҤȤĤʸˤޤȤ.)
    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 򥯥ꥢ.
      clipboard.e("clear")
      # selection ʸɤ߹ clipboard ɲä.
      clipboard.e("append {#{selection.e(\"get\")}}")}))
    me1.e("add command -label {selection -> clipboard} -command",c)
    cb.push(c = TclTkCallback.new(ip, proc{
      # li1 򥯥ꥢ.
      li1.e("delete 0 end")
      # clipboard ʸФ, 1 Ԥ
      selection.e("get -selection CLIPBOARD").split(/\n/).each{|line|
        # li1 .
        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 Υץ.
  def test_canvas(ip, parent)
    canvas, lower, pack = ip.commands().indexes("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 .
    idr = ca1.e("create rectangle 10 10 20 20")
    # oval .
    ca1.e("create oval 60 10 100 50")
    # polygon .
    ca1.e("create polygon 110 10 110 30 140 10")
    # line .
    ca1.e("create line 150 10 150 30 190 10")
    # arc .
    ca1.e("create arc 200 10 250 50 -start 0 -extent 90 -style pieslice")
    # i1 , ɤ˲ʤФʤʤ, ݤʤΤäƤ.
    i1 = TclTkImage.new(ip, "photo", "-file maru.gif")
    # image .
    ca1.e("create image 100 100 -image", i1)
    # bitmap .
    ca1.e("create bitmap 260 50 -bitmap questhead")
    # text .
    ca1.e("create text 320 50 -text {drag rectangle}")
    # window (ܥ).
    ca1.e("create window 200 200 -window", b1)

    # bind ˤ rectangle  drag Ǥ褦ˤ.
    cb.push(c = TclTkCallback.new(ip, proc{|i|
      # i  x  y Τ, Ф.
      x, y = i.split(/ /); x = x.to_f; y = y.to_f
      # ɸѹ.
      ca1.e("coords current #{x - 5} #{y - 5} #{x + 5} #{y + 5}")},
      # x, y ɸǶڤäΤ򥤥ƥ졼ѿϤ褦˻.
      "%x %y"))
    # rectangle  bind .
    ca1.e("bind", idr, "<B1-Motion>", c)

    pack.e(ca1)
  end
end

# test driver

if ARGV.size == 0
  print "#{$0} n , n ĤΥ󥿥ץ꥿ưޤ.\n"
  n = 1
else
  n = ARGV[0].to_i
end

print "start\n"
ip = []

# 󥿥ץ꥿, å.
for i in 1 .. n
  ip.push(Test1.new())
end

# ѰդǤ饤٥ȥ롼פ.
TclTk.mainloop()
print "exit from mainloop\n"

# 󥿥ץ꥿ GC 뤫Υƥ.
ip = []
print "GC.start\n" if $DEBUG
GC.start() if $DEBUG
print "end\n"

exit

# end