tk.rb

ruby的源代码

  def value=(val)
    begin
      s = '"' + _get_eval_string(val).gsub(/[][$"]/, '\\\\\&') + '"'
      INTERP._eval(format('global %s; set %s %s', @id, @id, s))
    rescue
      if INTERP._eval(format('global %s; array exists %s', @id, @id)) != "1"
	fail
      else
	if val == []
	  INTERP._eval(format('global %s; unset %s; set %s(0) 0; unset %s(0)', 
			      @id, @id, @id, @id))
	elsif val.kind_of?(Array)
	  a = []
	  val.each_with_index{|e,i| a.push(i); a.push(array2tk_list(e))}
	  s = '"' + a.join(" ").gsub(/[][$"]/, '\\\\\&') + '"'
	  INTERP._eval(format('global %s; unset %s; array set %s %s', 
			      @id, @id, @id, s))
	elsif  val.kind_of?(Hash)
	  s = '"' + val.to_a.collect{|e| array2tk_list(e)}.join(" ")\
	                        .gsub(/[][$"]/, '\\\\\&') + '"'
	  INTERP._eval(format('global %s; unset %s; array set %s %s', 
			      @id, @id, @id, s))
	else
	  fail
	end
      end
    end
  end

  def [](index)
    INTERP._eval(format('global %s; set %s(%s)', 
			@id, @id, _get_eval_string(index)))
  end

  def []=(index,val)
    INTERP._eval(format('global %s; set %s(%s) %s', @id, @id, 
			_get_eval_string(index), _get_eval_string(val)))
  end

  def to_i
    number(value).to_i
  end

  def to_f
    number(value).to_f
  end

  def to_s
    string(value).to_s
  end

  def inspect
    format "#<TkVariable: %s>", @id
  end

  def ==(other)
    case other
    when TkVariable
      self.equal(self)
    when String
      self.to_s == other
    when Integer
      self.to_i == other
    when Float
      self.to_f == other
    when Array
      self.to_a == other
    else
      false
    end
  end

  def to_a
    list(value)
  end

  def to_eval
    @id
  end

  def unset(elem=nil)
    if elem
      INTERP._eval(format('global %s; unset %s(%s)', 
			  @id, @id, tk_tcl2ruby(elem)))
    else
      INTERP._eval(format('global %s; unset %s', @id, @id))
    end
  end
  alias remove unset

  def trace_callback(elem, op)
    if @trace_var.kind_of? Array
      @trace_var.each{|m,e| e.call(self,elem,op) if m.index(op)}
    end
    if elem.kind_of? String
      if @trace_elem[elem].kind_of? Array
	@trace_elem[elem].each{|m,e| e.call(self,elem,op) if m.index(op)}
      end
    end
  end

  def trace(opts, cmd)
    @trace_var = [] if @trace_var == nil
    opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
    @trace_var.unshift([opts,cmd])
    if @trace_opts == nil
      TkVar_CB_TBL[@id] = self
      @trace_opts = opts
      Tk.tk_call('trace', 'variable', @id, @trace_opts, 'rb_var')
    else
      newopts = @trace_opts.dup
      opts.each_byte{|c| newopts += c.chr unless newopts.index(c)}
      if newopts != @trace_opts
	Tk.tk_call('trace', 'vdelete', @id, @trace_opts, 'rb_var')
	@trace_opts.replace(newopts)
	Tk.tk_call('trace', 'variable', @id, @trace_opts, 'rb_var')
      end
    end
  end

  def trace_element(elem, opts, cmd)
    @trace_elem = {} if @trace_elem == nil
    @trace_elem[elem] = [] if @trace_elem[elem] == nil
    opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
    @trace_elem[elem].unshift([opts,cmd])
    if @trace_opts == nil
      TkVar_CB_TBL[@id] = self
      @trace_opts = opts
      Tk.tk_call('trace', 'variable', @id, @trace_opts, 'rb_var')
    else
      newopts = @trace_opts.dup
      opts.each_byte{|c| newopts += c.chr unless newopts.index(c)}
      if newopts != @trace_opts
	Tk.tk_call('trace', 'vdelete', @id, @trace_opts, 'rb_var')
	@trace_opts.replace(newopts)
	Tk.tk_call('trace', 'variable', @id, @trace_opts, 'rb_var')
      end
    end
  end

  def trace_vinfo
    return [] unless @trace_var
    @trace_var.dup
  end
  def trace_vinfo_for_element(elem)
    return [] unless @trace_elem
    return [] unless @trace_elem[elem]
    @trace_elem[elem].dup
  end

  def trace_vdelete(opts,cmd)
    return unless @trace_var.kind_of? Array
    opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
    idx = -1
    newopts = ''
    @trace_var.each_with_index{|e,i| 
      if idx < 0 && e[0] == opts && e[1] == cmd
	idx = i
	next
      end
      e[0].each_byte{|c| newopts += c.chr unless newopts.index(c)}
    }
    if idx >= 0
      @trace_var.delete_at(idx) 
    else
      return
    end

    @trace_elem.each{|elem|
      @trace_elem[elem].each{|e|
	e[0].each_byte{|c| newopts += c.chr unless newopts.index(c)}
      }
    }

    newopts = ['r','w','u'].find_all{|c| newopts.index(c)}.join('')
    if newopts != @trace_opts
      Tk.tk_call('trace', 'vdelete', @id, @trace_opts, 'rb_var')
      @trace_opts.replace(newopts)
      if @trace_opts != ''
	Tk.tk_call('trace', 'variable', @id, @trace_opts, 'rb_var')
      end
    end
  end

  def trace_vdelete_for_element(elem,opts,cmd)
    return unless @trace_elem.kind_of? Hash
    return unless @trace_elem[elem].kind_of? Array
    opts = ['r','w','u'].find_all{|c| opts.index(c)}.join('')
    idx = -1
    @trace_elem[elem].each_with_index{|e,i| 
      if idx < 0 && e[0] == opts && e[1] == cmd
	idx = i
	next
      end
    }
    if idx >= 0
      @trace_elem[elem].delete_at(idx)
    else
      return
    end

    newopts = ''
    @trace_var.each{|e| 
      e[0].each_byte{|c| newopts += c.chr unless newopts.index(c)}
    }
    @trace_elem.each{|elem|
      @trace_elem[elem].each{|e|
	e[0].each_byte{|c| newopts += c.chr unless newopts.index(c)}
      }
    }

    newopts = ['r','w','u'].find_all{|c| newopts.index(c)}.join('')
    if newopts != @trace_opts
      Tk.tk_call('trace', 'vdelete', @id, @trace_opts, 'rb_var')
      @trace_opts.replace(newopts)
      if @trace_opts != ''
	Tk.tk_call('trace', 'variable', @id, @trace_opts, 'rb_var')
      end
    end
  end
end

class TkVarAccess<TkVariable
  def initialize(varname, val=nil)
    @id = varname
    if val
      s = '"' + _get_eval_string(val).gsub(/[][$"]/, '\\\\\&') + '"' #"
      INTERP._eval(format('global %s; set %s %s', @id, @id, s))
    end
  end
end

module Tk
  begin
    auto_path = INTERP._invoke('set', 'auto_path')
  rescue
    begin
      auto_path = INTERP._invoke('set', 'env(TCLLIBPATH)')
    rescue
      auto_path = Tk::LIBRARY
    end
  end
  AUTO_PATH = TkVarAccess.new('auto_path', auto_path)

  TCL_PACKAGE_PATH = TkVarAccess.new('tcl_pkgPath')
end

module TkSelection
  include Tk
  extend Tk
  def clear(win=Tk.root)
    tk_call 'selection', 'clear', win.path
  end
  def get(type=None)
    tk_call 'selection', 'get', type
  end
  def TkSelection.handle(win, func, type=None, format=None)
    tk_call 'selection', 'handle', win.path, func, type, format
  end
  def handle(func, type=None, format=None)
    TkSelection.handle self, func, type, format
  end
  def TkSelection.own(win=None, func=None)
    window(tk_call 'selection', 'own', win, func)
  end
  def own(func=None)
    TkSelection.own self, func
  end

  module_function :clear, :get
end

module TkKinput
  include Tk
  extend Tk

  def TkKinput.start(window, style=None)
    tk_call 'kinput_start', window.path, style
  end
  def kinput_start(style=None)
    TkKinput.start(self, style)
  end

  def TkKinput.send_spot(window)
    tk_call 'kinput_send_spot', window.path
  end
  def kinput_send_spot
    TkKinput.send_spot(self)
  end

  def TkKinput.input_start(window, keys=nil)
    tk_call 'kanjiInput', 'start', window.path, *hash_kv(keys)
  end
  def kanji_input_start(keys=nil)
    TkKinput.input_start(self, keys)
  end

  def TkKinput.attribute_config(window, slot, value=None)
    if slot.kind_of? Hash
      tk_call 'kanjiInput', 'attribute', window.path, *hash_kv(slot)
    else
      tk_call 'kanjiInput', 'attribute', window.path, "-#{slot}", value
    end
  end
  def kinput_attribute_config(slot, value=None)
    TkKinput.attribute_config(self, slot, value)
  end

  def TkKinput.attribute_info(window, slot=nil)
    if slot
      conf = tk_split_list(tk_call('kanjiInput', 'attribute', 
				   window.path, "-#{slot}"))
      conf[0] = conf[0][1..-1]
      conf
    else
      tk_split_list(tk_call('kanjiInput', 'attribute', 
			    window.path)).collect{|conf|
	conf[0] = conf[0][1..-1]
	conf
      }
    end
  end
  def kinput_attribute_info(slot=nil)
    TkKinput.attribute_info(self, slot)
  end

  def TkKinput.input_end(window)
    tk_call 'kanjiInput', 'end', window.path
  end
  def kanji_input_end
    TkKinput.input_end(self)
  end
end

module TkXIM
  include Tk
  extend Tk

  def TkXIM.useinputmethods(window=nil, value=nil)
    if window
      if value
        tk_call 'tk', 'useinputmethods', '-displayof', window.path, value
      else
        tk_call 'tk', 'useinputmethods', '-displayof', window.path
      end
    else
      if value
        tk_call 'tk', 'useinputmethods', value
      else
        tk_call 'tk', 'useinputmethods'
      end
    end
  end

  def TkXIM.configure(window, slot, value=None)
    begin
      if /^8\.*/ === Tk::TK_VERSION  && JAPANIZED_TK
        if slot.kind_of? Hash
          tk_call 'imconfigure', window.path, *hash_kv(slot)
        else
          tk_call 'imconfigure', window.path, "-#{slot}", value
        end
      end
    rescue
    end
  end

  def TkXIM.configinfo(window, slot=nil)
    begin
      if /^8\.*/ === Tk::TK_VERSION  && JAPANIZED_TK
        if slot
          conf = tk_split_list(tk_call('imconfigure', window.path, "-#{slot}"))
          conf[0] = conf[0][1..-1]
          conf
        else
          tk_split_list(tk_call('imconfigure', window.path)).collect{|conf|
            conf[0] = conf[0][1..-1]
            conf
          }
        end
      else
        []
      end
    rescue
      []
    end
  end

  def useinputmethods(value=nil)
    TkXIM.useinputmethods(self, value)
  end

  def imconfigure(window, slot, value=None)
    TkXIM.configinfo(window, slot, value)
  end

  def imconfiginfo(slot=nil)
    TkXIM.configinfo(window, slot)
  end
end

module TkWinfo
  include Tk
  extend Tk
  def TkWinfo.atom(name)
    number(tk_call 'winfo', 'atom', name)
  end
  def winfo_atom(name)
    TkWinfo.atom name
  end
  def TkWinfo.atomname(id)
    tk_call 'winfo', 'atomname', id
  end
  def winfo_atomname(id)
    TkWinfo.atomname id
  end
  def TkWinfo.cells(window)
    number(tk_call('winfo', 'cells', window.path))
  end
  def winfo_cells
    TkWinfo.cells self
  end
  def TkWinfo.children(window)
    c = tk_call('winfo', 'children', window.path)
    list(c)
  end
  def winfo_children
    TkWinfo.children self
  end
  def TkWinfo.classname(window)
    tk_call 'winfo', 'class', window.path
  end
  def winfo_classname
    TkWinfo.classname self
  end
  def TkWinfo.colormapfull(window)
     bool(tk_call('winfo', 'colormapfull', window.path))
  end
  def winfo_colormapfull
    TkWinfo.colormapfull self
  end
  def TkWinfo.containing(rootX, rootY)
    path = tk_call('winfo', 'containing', rootX, rootY)
    window(path)
  end
  def winfo_containing(x, y)
    TkWinfo.containing x, y
  end
  def TkWinfo.depth(window)
    number(tk_call('winfo', 'depth', window.path))
  end
  def winfo_depth
    TkWinfo.depth self
  end
  def TkWinfo.exist?(window)
    bool(tk_call('winfo', 'exists', window.path))
  end
  def winfo_exist?
    TkWinfo.exist? self
  end
  def TkWinfo.fpixels(window, number)
    number(tk_call('winfo', 'fpixels', window.path, number))
  end
  def winfo_fpixels(number)
    TkWinfo.fpixels self, number
  end
  def TkWinfo.geometry(window)
    tk_call('winfo', 'geometry', window.path)
  end
  def winfo_geometry
    TkWinfo.geometry self
  end
  def TkWinfo.height(window)
    number(tk_call('winfo', 'height', window.path))
  end
  def winfo_height
    TkWinfo.height self
  end
  def TkWinfo.id(window)
    tk_call('winfo', 'id', window.path)
  end
  def winfo_id
    TkWinfo.id self
  end
  def TkWinfo.interps(window=nil)
    if window
      tk_split_simplelist(tk_call('winfo', 'interps',
				  '-displayof', window.path))
    else
      tk_split_simplelist(tk_call('winfo', 'interps'))
    end
  end
  def winfo_interps
    TkWinfo.interps self
  end
  def TkWinfo.mapped?(window)
    bool(tk_call('winfo', 'ismapped', window.path))
  end
  def winfo_mapped?
    TkWinfo.mapped? self
  end
  def TkWinfo.manager(window)
    tk_call('winfo', 'manager', window.path)
  end
  def winfo_manager
    TkWinfo.manager self
  end
  def TkWinfo.appname(window)
    tk_call('winfo', 'name', window.path)
  end
  def winfo_appname
    TkWinfo.appname self
  end
  def TkWinfo.parent(window)
    window(tk_call('winfo', 'parent', window.path))
  end
  def winfo_parent
    TkWinfo.parent self
  end
  def TkWinfo.widget(id)
    window(tk_call('winfo', 'pathname', id))
  end
  def winfo_widget(id)
    TkWinfo.widget id
  end
  def TkWinfo.pixels(window, number)
    number(tk_call('winfo', 'pixels', window.path, number))
  end
  def winfo_pixels(number)
    TkWinfo.pixels self, number
  end
  def TkWinfo.reqheight(window)
    number(tk_call('winfo', 'reqheight', window.path))
  end
  def winfo_reqheight
    TkWinfo.reqheight self
  end
  def TkWinfo.reqwidth(window)
    number(tk_call('winfo', 'reqwidth', window.path))
  end
  def winfo_reqwidth
    TkWinfo.reqwidth self
  end
  def TkWinfo.rgb(window, color)
    list(tk_call('winfo', 'rgb', window.path, color))
  end
  def winfo_rgb(color)
    TkWinfo.rgb self, color
  end
  def TkWinfo.rootx(window)
    number(tk_call('winfo', 'rootx', window.path))
  end
  def winfo_rootx
    TkWinfo.rootx self
  end
  def TkWinfo.rooty(window)
    number(tk_call('winfo', 'rooty', window.path))
  end
  def winfo_rooty
    TkWinfo.rooty self
  end
  def TkWinfo.screen(window)
    tk_call 'winfo', 'screen', window.path
  end
  def winfo_screen
    TkWinfo.screen self
  end
  def TkWinfo.screencells(window)
    number(tk_call('winfo', 'screencells', window.path))
  end
  def winfo_screencells
    TkWinfo.screencells self
  end
  def TkWinfo.screendepth(window)
    number(tk_call('winfo', 'screendepth', window.path))
  end
  def winfo_screendepth
    TkWinfo.screendepth self
  end
  def TkWinfo.screenheight (window)
    number(tk_call('winfo', 'screenheight', window.path))
  end
  def winfo_screenheight
    TkWinfo.screenheight self