Module: TkComm

Extended by:
TkEvent, TkUtil
Includes:
TkEvent, TkUtil
Included in:
Tk::Tcllib::Crosshair, TkCore, TkCore, TkHTML_File_Viewer, TkValidateCommand, TkValidateCommand, TkcTagAccess
Defined in:
lib/tk.rb,
lib/tk.rb

Overview

define TkComm module (step 2: event binding)

Constant Summary collapse

WidgetClassNames = 
TkUtil.untrust({})
TkExtlibAutoloadModule = 
TkUtil.untrust([])
Tk_IDs =

Tk_CMDTBL = {} Tk_WINDOWS = {}

[
  TkUtil.untrust("00000"), # [0]-cmdid
  TkUtil.untrust("00000")  # [1]-winid
]
Tk_CMDTBL =

for backward compatibility

Object.new
Tk_WINDOWS = 
Object.new
GET_CONFIGINFO_AS_ARRAY =

GET_CONFIGINFO_AS_ARRAY = false => returns a Hash { opt =>val, … }

true  => returns an Array [[opt,val], ... ]

val is a list which includes resource info.

true
GET_CONFIGINFOwoRES_AS_ARRAY =

for configinfo without resource info; list of [opt, value] pair

false => returns a Hash { opt=>val, ... }
true  => returns an Array [[opt,val], ... ]

true
USE_TCLs_LIST_FUNCTIONS = 
true

Constants included from TkUtil

TkUtil::None, TkUtil::RELEASE_DATE

Class Method Summary collapse

Instance Method Summary collapse

Methods included from TkEvent

install_bind, install_bind_for_event_class

Methods included from TkUtil

_conv_args, _conv_args, _get_eval_enc_str, _get_eval_enc_str, _get_eval_string, _get_eval_string, _symbolkey2str, _symbolkey2str, callback, eval_cmd, hash_kv, hash_kv, untrust

Class Method Details

._at(x, y = nil) ⇒ Object 



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# File 'lib/tk.rb', line 221

def _at(x,y=nil)
  if y
    "@#{Integer(x)},#{Integer(y)}"
  else
    "@#{Integer(x)}"
  end
end

._callback_entry?(obj) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tk.rb', line 689

def _callback_entry?(obj)
  obj.kind_of?(Proc) || obj.kind_of?(Method) || obj.kind_of?(TkCallbackEntry)
end

._callback_entry_class?(cls) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tk.rb', line 683

def _callback_entry_class?(cls)
  cls <= Proc || cls <= Method || cls <= TkCallbackEntry
end

._curr_cmd_id ⇒ Object

### –> definition is moved to TkUtil module

def _conv_args(args, enc_mode, *src_args)
  conv_args = []
  src_args.each{|arg|
    conv_args << _get_eval_string(arg, enc_mode) unless arg == None
    # if arg.kind_of?(Hash)
    # arg.each{|k, v|
    #   args << '-' + k.to_s
    #   args << _get_eval_string(v, enc_mode)
    # }
    # elsif arg != None
    #   args << _get_eval_string(arg, enc_mode)
    # end
  }
  args + conv_args
end
private :_conv_args



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# File 'lib/tk.rb', line 818

def _curr_cmd_id
  #id = format("c%.4d", Tk_IDs[0])
  id = "c" + TkCore::INTERP._ip_id_ + TkComm::Tk_IDs[0]
end

._fromUTF8(str, encoding = nil) ⇒ Object 



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# File 'lib/tk.rb', line 677

def _fromUTF8(str, encoding = nil)
  TkCore::INTERP._fromUTF8(str, encoding)
end

._genobj_for_tkwidget(path) ⇒ Object 



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# File 'lib/tk.rb', line 105

def _genobj_for_tkwidget(path)
  return TkRoot.new if path == '.'

  begin
    #tk_class = TkCore::INTERP._invoke('winfo', 'class', path)
    tk_class = Tk.ip_invoke_without_enc('winfo', 'class', path)
  rescue
    return path
  end

  if ruby_class = WidgetClassNames[tk_class]
    ruby_class_name = ruby_class.name
    # gen_class_name = ruby_class_name + 'GeneratedOnTk'
    gen_class_name = ruby_class_name
    classname_def = ''
  else # ruby_class == nil
    if Tk.const_defined?(tk_class)
      Tk.const_get(tk_class)  # auto_load
      ruby_class = WidgetClassNames[tk_class]
    end

    unless ruby_class
      mods = TkExtlibAutoloadModule.find_all{|m| m.const_defined?(tk_class)}
      mods.each{|mod|
        begin
          mod.const_get(tk_class)  # auto_load
          break if (ruby_class = WidgetClassNames[tk_class])
        rescue LoadError
          # ignore load error
        end
      }
    end

    unless ruby_class
      std_class = 'Tk' << tk_class
      if Object.const_defined?(std_class)
        Object.const_get(std_class)  # auto_load
        ruby_class = WidgetClassNames[tk_class]
      end
    end

    unless ruby_class
      if Tk.const_defined?('TOPLEVEL_ALIASES') &&
          Tk::TOPLEVEL_ALIASES.const_defined?(std_class)
        Tk::TOPLEVEL_ALIASES.const_get(std_class)  # auto_load
        ruby_class = WidgetClassNames[tk_class]
      end
    end

    if ruby_class
      # found
      ruby_class_name = ruby_class.name
      gen_class_name = ruby_class_name
      classname_def = ''
    else
      # unknown
      ruby_class_name = 'TkWindow'
      gen_class_name = 'TkWidget_' + tk_class
      classname_def = "WidgetClassName = '#{tk_class}'.freeze"
    end
  end

###################################
=begin
  if ruby_class = WidgetClassNames[tk_class]
    ruby_class_name = ruby_class.name
    # gen_class_name = ruby_class_name + 'GeneratedOnTk'
    gen_class_name = ruby_class_name
    classname_def = ''
  else
    mod = TkExtlibAutoloadModule.find{|m| m.const_defined?(tk_class)}
    if mod
      ruby_class_name = mod.name + '::' + tk_class
      gen_class_name = ruby_class_name
      classname_def = ''
    elsif Object.const_defined?('Tk' + tk_class)
      ruby_class_name = 'Tk' + tk_class
      # gen_class_name = ruby_class_name + 'GeneratedOnTk'
      gen_class_name = ruby_class_name
      classname_def = ''
    else
      ruby_class_name = 'TkWindow'
      # gen_class_name = ruby_class_name + tk_class + 'GeneratedOnTk'
      gen_class_name = 'TkWidget_' + tk_class
      classname_def = "WidgetClassName = '#{tk_class}'.freeze"
    end
  end
=end

=begin
  unless Object.const_defined? gen_class_name
    Object.class_eval "class #{gen_class_name}<#{ruby_class_name}
                         #{classname_def}
                       end"
  end
  Object.class_eval "#{gen_class_name}.new('widgetname'=>'#{path}',
                                           'without_creating'=>true)"
=end
  base = Object
  gen_class_name.split('::').each{|klass|
    next if klass == ''
    if base.const_defined?(klass)
      base = base.class_eval klass
    else
      base = base.class_eval "class #{klass}<#{ruby_class_name}
                                #{classname_def}
                              end
                              #{klass}"
    end
  }
  base.class_eval "#{gen_class_name}.new('widgetname'=>'#{path}',
                                         'without_creating'=>true)"
end

._next_cmd_id ⇒ Object 



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# File 'lib/tk.rb', line 822

def _next_cmd_id
  TkComm::Tk_IDs.mutex.synchronize{
    id = _curr_cmd_id
    #Tk_IDs[0] += 1
    TkComm::Tk_IDs[0].succ!
    id
  }
end

._toUTF8(str, encoding = nil) ⇒ Object 



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# File 'lib/tk.rb', line 674

def _toUTF8(str, encoding = nil)
  TkCore::INTERP._toUTF8(str, encoding)
end

.array2tk_list(ary, enc = nil) ⇒ Object 



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# File 'lib/tk.rb', line 355

def array2tk_list(ary, enc=nil)
  return "" if ary.size == 0

  sys_enc = TkCore::INTERP.encoding
  sys_enc = TclTkLib.encoding_system unless sys_enc

  dst_enc = (enc == nil)? sys_enc: enc

  dst = ary.collect{|e|
    if e.kind_of? Array
      s = array2tk_list(e, enc)
    elsif e.kind_of? Hash
      tmp_ary = []
      #e.each{|k,v| tmp_ary << k << v }
      e.each{|k,v| tmp_ary << "-#{_get_eval_string(k)}" << v }
      s = array2tk_list(tmp_ary, enc)
    else
      s = _get_eval_string(e, enc)
    end

    if dst_enc != true && dst_enc != false
      if (s_enc = s.instance_variable_get(:@encoding))
        s_enc = s_enc.to_s
      elsif TkCore::WITH_ENCODING
        s_enc = s.encoding.name
      else
        s_enc = sys_enc
      end
      dst_enc = true if s_enc != dst_enc
    end

    s
  }

  if sys_enc && dst_enc
    dst.map!{|s| _toUTF8(s)}
    ret = TkCore::INTERP._merge_tklist(*dst)
    if TkCore::WITH_ENCODING
      if dst_enc.kind_of?(String)
        ret = _fromUTF8(ret, dst_enc)
        ret.force_encoding(dst_enc)
      else
        ret.force_encoding('utf-8')
      end
    else # without encoding
      if dst_enc.kind_of?(String)
        ret = _fromUTF8(ret, dst_enc)
        ret.instance_variable_set(:@encoding, dst_enc)
      else
        ret.instance_variable_set(:@encoding, 'utf-8')
      end
    end
    ret
  else
    TkCore::INTERP._merge_tklist(*dst)
  end
end

.bool ⇒ Object

.image_obj(val) ⇒ Object 



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# File 'lib/tk.rb', line 613

def image_obj(val)
  if val =~ /^i(_\d+_)?\d+$/
    TkImage::Tk_IMGTBL.mutex.synchronize{
      TkImage::Tk_IMGTBL[val]? TkImage::Tk_IMGTBL[val] : val
    }
  else
    val
  end
end

.install_cmd(cmd, local_cmdtbl = nil) ⇒ Object 



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# File 'lib/tk.rb', line 833

def TkComm.install_cmd(cmd, local_cmdtbl=nil)
  return '' if cmd == ''
  begin
    ns = TkCore::INTERP._invoke_without_enc('namespace', 'current')
    ns = nil if ns == '::' # for backward compatibility
  rescue
    # probably, Tcl7.6
    ns = nil
  end
  id = _next_cmd_id
  #Tk_CMDTBL[id] = cmd
  if cmd.kind_of?(TkCallbackEntry)
    TkCore::INTERP.tk_cmd_tbl[id] = cmd
  else
    TkCore::INTERP.tk_cmd_tbl[id] = TkCore::INTERP.get_cb_entry(cmd)
  end
  @cmdtbl = [] unless defined? @cmdtbl
  TkUtil.untrust(@cmdtbl) unless @cmdtbl.tainted?
  @cmdtbl.push id

  if local_cmdtbl && local_cmdtbl.kind_of?(Array)
    begin
      local_cmdtbl << id
    rescue Exception
      # ignore
    end
  end

  #return Kernel.format("rb_out %s", id);
  if ns
    'rb_out' << TkCore::INTERP._ip_id_ << ' ' << ns << ' ' << id
  else
    'rb_out' << TkCore::INTERP._ip_id_ << ' ' << id
  end
end

.list(val, depth = 0, enc = true) ⇒ Object

### –> definition is moved to TkUtil module

def bool(val)
  case val
  when "1", 1, 'yes', 'true'
    true
  else
    false
  end
end

def number(val)
  case val
  when /^-?\d+$/
    val.to_i
  when /^-?\d+\.?\d*(e[-+]?\d+)?$/
    val.to_f
  else
    fail(ArgumentError, "invalid value for Number:'#{val}'")
  end
end
def string(val)
  if val == "{}"
    ''
  elsif val[0] == ?{ && val[-1] == ?}
    val[1..-2]
  else
    val
  end
end
def num_or_str(val)
  begin
    number(val)
  rescue ArgumentError
    string(val)
  end
end



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# File 'lib/tk.rb', line 598

def list(val, depth=0, enc=true)
  tk_split_list(val, depth, enc, enc)
end

.num_or_nil ⇒ Object

.num_or_str ⇒ Object

.number ⇒ Object

.procedure(val) ⇒ Object 



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# File 'lib/tk.rb', line 622

def procedure(val)
=begin
  if val =~ /^rb_out\S* (c(_\d+_)?\d+)/
    #Tk_CMDTBL[$1]
    #TkCore::INTERP.tk_cmd_tbl[$1]
    TkCore::INTERP.tk_cmd_tbl[$1].cmd
=end
  if val =~ /rb_out\S*(?:\s+(::\S*|[{](::.*)[}]|["](::.*)["]))? (c(_\d+_)?(\d+))/
    return TkCore::INTERP.tk_cmd_tbl[$4].cmd
  else
    #nil
    val
  end
end

.simplelist(val, src_enc = true, dst_enc = true) ⇒ Object 



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# File 'lib/tk.rb', line 601

def simplelist(val, src_enc=true, dst_enc=true)
  tk_split_simplelist(val, src_enc, dst_enc)
end

.slice_ary(ary, size, &b) ⇒ Object 



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# File 'lib/tk.rb', line 642

def slice_ary(ary, size)
  sliced = []
  wk_ary = ary.dup
  until wk_ary.size.zero?
    sub_ary = []
    size.times{ sub_ary << wk_ary.shift }
    yield(sub_ary) if block_given?
    sliced << sub_ary
  end
  (block_given?)? ary: sliced
end

.string ⇒ Object

.tk_tcl2ruby(val, enc_mode = false, listobj = true) ⇒ Object 



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# File 'lib/tk.rb', line 230

def tk_tcl2ruby(val, enc_mode = false, listobj = true)
=begin
  if val =~ /^rb_out\S* (c(_\d+_)?\d+)/
    #return Tk_CMDTBL[$1]
    return TkCore::INTERP.tk_cmd_tbl[$1]
    #cmd_obj = TkCore::INTERP.tk_cmd_tbl[$1]
    #if cmd_obj.kind_of?(Proc) || cmd_obj.kind_of?(Method)
    #  cmd_obj
    #else
    #  cmd_obj.cmd
    #end
  end
=end
  if val =~ /rb_out\S*(?:\s+(::\S*|[{](::.*)[}]|["](::.*)["]))? (c(_\d+_)?(\d+))/
    return TkCore::INTERP.tk_cmd_tbl[$4]
  end
  #if val.include? ?\s
  #  return val.split.collect{|v| tk_tcl2ruby(v)}
  #end
  case val
  when /\A@font\S+\z/
    TkFont.get_obj(val)
  when /\A-?\d+\z/
    val.to_i
  when /\A\.\S*\z/
    #Tk_WINDOWS[val] ? Tk_WINDOWS[val] : _genobj_for_tkwidget(val)
    TkCore::INTERP.tk_windows[val]?
         TkCore::INTERP.tk_windows[val] : _genobj_for_tkwidget(val)
  when /\Ai(_\d+_)?\d+\z/
    TkImage::Tk_IMGTBL.mutex.synchronize{
      TkImage::Tk_IMGTBL[val]? TkImage::Tk_IMGTBL[val] : val
    }
  when /\A-?\d+\.?\d*(e[-+]?\d+)?\z/
    val.to_f
  when /\\ /
    val.gsub(/\\ /, ' ')
  when /[^\\] /
    if listobj
      #tk_split_escstr(val).collect{|elt|
      #  tk_tcl2ruby(elt, enc_mode, listobj)
      #}
      val = _toUTF8(val) unless enc_mode
      tk_split_escstr(val, false, false).collect{|elt|
        tk_tcl2ruby(elt, true, listobj)
      }
    elsif enc_mode
      _fromUTF8(val)
    else
      val
    end
  else
    if enc_mode
      _fromUTF8(val)
    else
      val
    end
  end
end

.uninstall_cmd(id, local_cmdtbl = nil) ⇒ Object 



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# File 'lib/tk.rb', line 868

def TkComm.uninstall_cmd(id, local_cmdtbl=nil)
  #id = $1 if /rb_out\S* (c(_\d+_)?\d+)/ =~ id
  id = $4 if id =~ /rb_out\S*(?:\s+(::\S*|[{](::.*)[}]|["](::.*)["]))? (c(_\d+_)?(\d+))/

  if local_cmdtbl && local_cmdtbl.kind_of?(Array)
    begin
      local_cmdtbl.delete(id)
    rescue Exception
      # ignore
    end
  end
  @cmdtbl.delete(id)

  #Tk_CMDTBL.delete(id)
  TkCore::INTERP.tk_cmd_tbl.delete(id)
end

.window(val) ⇒ Object 



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# File 'lib/tk.rb', line 604

def window(val)
  if val =~ /^\./
    #Tk_WINDOWS[val]? Tk_WINDOWS[val] : _genobj_for_tkwidget(val)
    TkCore::INTERP.tk_windows[val]?
         TkCore::INTERP.tk_windows[val] : _genobj_for_tkwidget(val)
  else
    nil
  end
end

Instance Method Details

#bind(tagOrClass, context, *args) ⇒ Object

def bind(tagOrClass, context, cmd=Proc.new, *args)

_bind(["bind", tagOrClass], context, cmd, *args)
tagOrClass

end



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# File 'lib/tk.rb', line 1076

def bind(tagOrClass, context, *args)
  # if args[0].kind_of?(Proc) || args[0].kind_of?(Method)
  if TkComm._callback_entry?(args[0]) || !block_given?
    cmd = args.shift
  else
    cmd = Proc.new
  end
  _bind(["bind", tagOrClass], context, cmd, *args)
  tagOrClass
end

#bind_all(context, *args) ⇒ Object

def bind_all(context, cmd=Proc.new, *args)

_bind(['bind', 'all'], context, cmd, *args)
TkBindTag::ALL

end



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# File 'lib/tk.rb', line 1115

def bind_all(context, *args)
  # if args[0].kind_of?(Proc) || args[0].kind_of?(Method)
  if TkComm._callback_entry?(args[0]) || !block_given?
    cmd = args.shift
  else
    cmd = Proc.new
  end
  _bind(['bind', 'all'], context, cmd, *args)
  TkBindTag::ALL
end

#bind_append(tagOrClass, context, *args) ⇒ Object

def bind_append(tagOrClass, context, cmd=Proc.new, *args)

_bind_append(["bind", tagOrClass], context, cmd, *args)
tagOrClass

end



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# File 'lib/tk.rb', line 1091

def bind_append(tagOrClass, context, *args)
  # if args[0].kind_of?(Proc) || args[0].kind_of?(Method)
  if TkComm._callback_entry?(args[0]) || !block_given?
    cmd = args.shift
  else
    cmd = Proc.new
  end
  _bind_append(["bind", tagOrClass], context, cmd, *args)
  tagOrClass
end

#bind_append_all(context, *args) ⇒ Object

def bind_append_all(context, cmd=Proc.new, *args)

_bind_append(['bind', 'all'], context, cmd, *args)
TkBindTag::ALL

end



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# File 'lib/tk.rb', line 1130

def bind_append_all(context, *args)
  # if args[0].kind_of?(Proc) || args[0].kind_of?(Method)
  if TkComm._callback_entry?(args[0]) || !block_given?
    cmd = args.shift
  else
    cmd = Proc.new
  end
  _bind_append(['bind', 'all'], context, cmd, *args)
  TkBindTag::ALL
end

#bind_remove(tagOrClass, context) ⇒ Object 



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# File 'lib/tk.rb', line 1102

def bind_remove(tagOrClass, context)
  _bind_remove(['bind', tagOrClass], context)
  tagOrClass
end

#bind_remove_all(context) ⇒ Object 



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# File 'lib/tk.rb', line 1141

def bind_remove_all(context)
  _bind_remove(['bind', 'all'], context)
  TkBindTag::ALL
end

#bindinfo(tagOrClass, context = nil) ⇒ Object 



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# File 'lib/tk.rb', line 1107

def bindinfo(tagOrClass, context=nil)
  _bindinfo(['bind', tagOrClass], context)
end

#bindinfo_all(context = nil) ⇒ Object 



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# File 'lib/tk.rb', line 1146

def bindinfo_all(context=nil)
  _bindinfo(['bind', 'all'], context)
end

#install_cmd(cmd) ⇒ Object

private :install_cmd, :uninstall_cmd module_function :install_cmd, :uninstall_cmd



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# File 'lib/tk.rb', line 886

def install_cmd(cmd)
  TkComm.install_cmd(cmd, @cmdtbl)
end

#subst(str, *opts) ⇒ Object 



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# File 'lib/tk.rb', line 665

def subst(str, *opts)
  # opts := :nobackslashes | :nocommands | novariables
  tk_call('subst',
          *(opts.collect{|opt|
              opt = opt.to_s
              (opt[0] == ?-)? opt: '-' << opt
            } << str))
end

#uninstall_cmd(id) ⇒ Object 



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# File 'lib/tk.rb', line 889

def uninstall_cmd(id)
  TkComm.uninstall_cmd(id, @cmdtbl)
end