Class: TkTextIO

Inherits:
TkText show all
Defined in:
sample/tktextio.rb

Constant Summary collapse

OPT_DEFAULTS = 
{
  'mode'       => nil,
  'overwrite'  => false, 
  'text'       => nil, 
  'show'       => :pos, 
  'wrap'       => 'char', 
  'sync'       => true, 
  'prompt'     => nil, 
  'prompt_cmd' => nil, 
  'hist_size'  => 1000, 
}
@@create_queues =

keep safe level

proc{ [Queue.new, Mutex.new, Queue.new, Mutex.new] }

Constants inherited from TkText

TkText::ItemConfCMD, TkText::TkCommandNames, TkText::WidgetClassName

Constants included from TkUtil

TkUtil::None, TkUtil::RELEASE_DATE

Constants inherited from TkTextWin

TkTextWin::TkCommandNames

Constants inherited from TkWindow

TkWindow::TkCommandNames, TkWindow::WidgetClassName

Constants included from TkWinfo

TkWinfo::TkCommandNames

Constants included from Tk

Tk::AUTO_PATH, Tk::INTERP, Tk::JAPANIZED_TK, Tk::LIBRARY_PATH, Tk::MAINLOOP, Tk::PACKAGE_PATH, Tk::RELEASE_DATE, Tk::TCL_LIBRARY_PATH, Tk::TCL_MAJOR_VERSION, Tk::TCL_MINOR_VERSION, Tk::TCL_PACKAGE_PATH, Tk::TCL_PATCHLEVEL, Tk::TCL_PRECISION, Tk::TCL_VERSION, Tk::TK_MAJOR_VERSION, Tk::TK_MINOR_VERSION, Tk::TK_PATCHLEVEL, Tk::TK_VERSION, Tk::Tkextlib_RELEASE_DATE, Tk::TreeCtrl_Widget, Tk::X_Scrollable, Tk::Y_Scrollable

Constants included from Tk::Encoding

Tk::Encoding::TkCommandNames

Constants included from TkCore

TkCore::EventFlag, TkCore::INTERP, TkCore::WIDGET_DESTROY_HOOK

Constants included from TkComm

TkComm::GET_CONFIGINFO_AS_ARRAY, TkComm::GET_CONFIGINFOwoRES_AS_ARRAY, TkComm::TkExtlibAutoloadModule, TkComm::Tk_CMDTBL, TkComm::Tk_IDs, TkComm::Tk_WINDOWS, TkComm::USE_TCLs_LIST_FUNCTIONS, TkComm::WidgetClassNames

Constants included from Tk::TkDND::Shape

Tk::TkDND::Shape::PACKAGE_NAME

Instance Method Summary collapse

Methods inherited from TkText

#__destroy_hook__, #_addcmd, #_addtag, at, #at, #backspace, #bbox, #clear, #compare, #count, #count_info, #current_image_configinfo, #debug, #debug=, #dlineinfo, #dump, #dump_all, #dump_image, #dump_mark, #dump_tag, #dump_text, #dump_window, #edit_redo, #edit_reset, #edit_separator, #edit_undo, #get_displaychars, #image_cget, #image_configinfo, #image_configure, #image_names, #index, #init_instance_variable, #insert, #mark_gravity, #mark_names, #mark_next, #mark_previous, #mark_set, #mark_unset, #modified, #modified=, #modified?, new, #peer_names, #replace, #rsearch, #rsearch_with_length, #search, #search_with_length, #set_current, #set_insert, #tag_add, #tag_bind, #tag_bind_append, #tag_bind_remove, #tag_bindinfo, #tag_delete, #tag_lower, #tag_names, #tag_nextrange, #tag_prevrange, #tag_raise, #tag_ranges, #tag_remove, #tagid2obj, #text_copy, #text_cut, #text_paste, #tksearch, #tksearch_with_count, #value, #value=, #window_names, #xview_pickplace, #yview_pickplace

Methods included from TkTextTagConfig

#current_tag_configinfo, #current_window_configinfo, #tag_cget, #tag_configinfo, #tag_configure, #window_cget, #window_configinfo, #window_configure

Methods included from TkItemConfigMethod

#current_itemconfiginfo, #itemcget, #itemconfiginfo, #itemconfigure, #tagid

Methods included from TkItemConfigOptkeys

#__conv_item_keyonly_opts, #itemconfig_hash_kv

Methods included from TkUtil

_conv_args, #_conv_args, #_fromUTF8, _get_eval_enc_str, #_get_eval_enc_str, #_get_eval_string, _get_eval_string, _symbolkey2str, #_symbolkey2str, #_toUTF8, bool, #bool, callback, eval_cmd, #hash_kv, hash_kv, install_cmd, num_or_str, #num_or_str, number, #number, string, #string, uninstall_cmd

Methods included from TkTreatItemFont

#kanjifont_copy, #kanjitagfont_configure, #latintagfont_configure, #latintagfont_copy, #tagfont_configinfo, #tagfont_configure, #tagfont_copy

Methods inherited from TkTextWin

#bbox, #delete, #get, #insert, #scan_dragto, #scan_mark, #see

Methods inherited from TkWindow

#bind_class, #bindtags, #bindtags=, #bindtags_shift, #bindtags_unshift, #caret, #colormodel, #command, #cursor_propagate, #cursor_restore, #database_class, database_class, #database_classname, database_classname, #eventloop_wait_destroy, #eventloop_wait_visibility, #exist?, #grab, #grab_current, #grab_release, #grab_set, #grab_set_global, #grab_status, #grid, #grid_bbox, #grid_columnconfig, #grid_columnconfiginfo, #grid_config, #grid_forget, #grid_in, #grid_info, #grid_location, #grid_propagate, #grid_remove, #grid_rowconfig, #grid_rowconfiginfo, #grid_size, #grid_slaves, #initialize, #lower, #pack, #pack_config, #pack_forget, #pack_in, #pack_info, #pack_propagate, #pack_slaves, #place, #place_config, #place_configinfo, #place_forget, #place_in, #place_info, #place_slaves, #raise, #set_focus, #thread_wait_destroy, #thread_wait_visibility, #tktrans_get_image, #tktrans_set_image, to_eval, #wait_destroy, #wait_visibility

Methods included from TkBindCore

#bind, #bind_append, #bind_remove, #bindinfo

Methods included from TkWinfo

appname, atom, atomname, cells, children, classname, colormapfull, containing, depth, exist?, fpixels, geometry, height, id, interps, manager, mapped?, parent, pixels, pointerx, pointerxy, pointery, reqheight, reqwidth, rgb, rootx, rooty, screen, screencells, screendepth, screenheight, screenmmheight, screenmmwidth, screenvisual, screenwidth, server, toplevel, viewable, visual, visualid, visualsavailable, vrootheight, vrootwidth, vrootx, vrooty, widget, width, #winfo_appname, #winfo_atom, #winfo_atomname, #winfo_cells, #winfo_children, #winfo_classname, #winfo_colormapfull, #winfo_containing, #winfo_depth, #winfo_exist?, #winfo_fpixels, #winfo_geometry, #winfo_height, #winfo_id, #winfo_interps, #winfo_manager, #winfo_mapped?, #winfo_parent, #winfo_pixels, #winfo_pointerx, #winfo_pointerxy, #winfo_pointery, #winfo_reqheight, #winfo_reqwidth, #winfo_rgb, #winfo_rootx, #winfo_rooty, #winfo_screen, #winfo_screencells, #winfo_screendepth, #winfo_screenheight, #winfo_screenmmheight, #winfo_screenmmwidth, #winfo_screenvisual, #winfo_screenwidth, #winfo_server, #winfo_toplevel, #winfo_viewable, #winfo_visual, #winfo_visualid, #winfo_visualsavailable, #winfo_vrootheight, #winfo_vrootwidth, #winfo_vrootx, #winfo_vrooty, #winfo_widget, #winfo_width, #winfo_x, #winfo_y, x, y

Methods included from Tk

BinaryString, EncodedString, UTF8_String, add_kinsoku, bell, bell_on_display, const_missing, current_grabs, cursor_display, delete_kinsoku, destroy, #encoding, #encoding=, errorCode, errorInfo, exit, focus, focus_lastfor, focus_next, focus_prev, focus_to, fromUTF8, grid, grid_forget, has_mainwindow?, load_tcllibrary, load_tclscript, load_tclscript_rsrc, load_tclscript_rsrcid, lower_window, pack, pack_forget, pkgconfig_get, pkgconfig_list, place, place_forget, raise_window, #root, show_kinsoku, strictMotif, subst_tk_backslash, subst_utf_backslash, tcl_pkgconfig_get, tcl_pkgconfig_list, thread_update, thread_update_idletasks, tk_pkgconfig_get, tk_pkgconfig_list, toUTF8, to_backslash_sequence, ungrid, unload_tcllibrary, unpack, unplace, #update, update, update_idletasks, utf_to_backslash, utf_to_backslash_sequence

Methods included from Tk::Encoding

#encoding, #encoding=, #encoding_convertfrom, #encoding_convertto, #encoding_dirs, #encoding_dirs=, #encoding_names, #encoding_system, #encoding_system=

Methods included from TkCore

#_tk_call_to_list_core, #after, #after_cancel, #after_idle, #appname, #appsend, #appsend_deny, #appsend_displayof, callback, #callback_break, #callback_continue, #callback_return, #chooseColor, #chooseDirectory, #do_one_event, #event_generate, #getMultipleOpenFile, #getMultipleSaveFile, #getOpenFile, #getSaveFile, #get_eventloop_tick, #get_eventloop_weight, #get_no_event_wait, #inactive, #inactive_displayof, #info, #ip_eval, #ip_eval_with_enc, #ip_eval_without_enc, #ip_invoke, #ip_invoke_with_enc, #ip_invoke_without_enc, #is_mainloop?, #load_cmd_on_ip, #mainloop, #mainloop_exist?, #mainloop_thread?, #mainloop_watchdog, #messageBox, #rb_appsend, #rb_appsend_displayof, #reset_inactive, #reset_inactive_displayof, #restart, #scaling, #scaling_displayof, #set_eventloop_tick, #set_eventloop_weight, #set_no_event_wait, #tk_call, #tk_call_to_list, #tk_call_to_list_with_enc, #tk_call_to_list_without_enc, #tk_call_to_simplelist, #tk_call_to_simplelist_with_enc, #tk_call_to_simplelist_without_enc, #tk_call_with_enc, #tk_call_without_enc, #windowingsystem

Methods included from TkComm

#_at, #bind, #bind_all, #bind_append, #bind_append_all, #bind_remove, #bind_remove_all, #bindinfo, #bindinfo_all, #image_obj, #install_cmd, #subst, #uninstall_cmd

Methods included from TkEvent

#install_bind, #install_bind_for_event_class

Methods included from Tk::TkDND::Shape

package_name, package_patchlevel, package_version, #shape_bounds, #shape_get, #shape_offset, #shape_set, #shape_update, version

Methods included from Tk::TkDND::DND

#dnd_bindsource, #dnd_bindsource_info, #dnd_bindtarget, #dnd_bindtarget_info, #dnd_clearsource, #dnd_cleartarget, #dnd_drag, version

Methods inherited from TkObject

#epath, #event_generate, #method_missing, #path, #tk_send, #tk_send_to_list, #tk_send_to_list_with_enc, #tk_send_to_list_without_enc, #tk_send_to_simplelist, #tk_send_to_simplelist_with_enc, #tk_send_to_simplelist_without_enc, #tk_send_with_enc, #tk_send_without_enc, #to_eval

Methods included from TkConfigMethod

#[], #[]=, #cget, #config_hash_kv, #configinfo, #configure, #configure_cmd, #current_configinfo

Methods included from TkTreatFont

#font_configinfo, #font_configure, #font_copy, #kanjifont_configure, #kanjifont_copy, #latinfont_configure, #latinfont_copy

Methods inherited from TkKernel

new

Constructor Details

This class inherits a constructor from TkWindow

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class TkObject

Instance Method Details

#<<(obj) ⇒ Object 



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# File 'sample/tktextio.rb', line 387

def <<(obj)
  _write(obj)
  self
end

#binmode ⇒ Object 



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# File 'sample/tktextio.rb', line 392

def binmode
  self
end

#clone ⇒ Object 



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# File 'sample/tktextio.rb', line 396

def clone
  fail NotImplementedError, 'cannot clone TkTextIO'
end

#close ⇒ Object 



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# File 'sample/tktextio.rb', line 403

def close
  close_read
  close_write
  nil
end

#close_read ⇒ Object 



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# File 'sample/tktextio.rb', line 408

def close_read
  @open[:r] = false if @open[:r]
  nil
end

#close_write ⇒ Object 



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# File 'sample/tktextio.rb', line 412

def close_write
  @open[:w] = false if @opne[:w]
  nil
end

#closed?(dir = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'sample/tktextio.rb', line 417

def closed?(dir=nil)
  case dir
  when :r, 'r'
    !@open[:r]
  when :w, 'w'
    !@open[:w]
  else
    !@open[:r] && !@open[:w]
  end
end

#destroy ⇒ Object 



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# File 'sample/tktextio.rb', line 75

def destroy
  @flusher.kill rescue nil

  @idle_flush.stop rescue nil
  @timer_flush.stop rescue nil

  @receiver.kill rescue nil

  super()
end

#dup ⇒ Object 



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# File 'sample/tktextio.rb', line 399

def dup
  fail NotImplementedError, 'cannot duplicate TkTextIO'
end

#each_char ⇒ Object Also known as: each_byte 



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# File 'sample/tktextio.rb', line 447

def each_char
  _check_readable
  while(c = self.getc)
    yield(c)
  end
  self
end

#each_line(rs = $/) ⇒ Object Also known as: each 



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# File 'sample/tktextio.rb', line 438

def each_line(rs = $/)
  _check_readable
  while(s = self.gets(rs))
    yield(s)
  end
  self
end

#eof? ⇒ Boolean Also known as: eof

Returns:

  • (Boolean) 


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# File 'sample/tktextio.rb', line 456

def eof?
  compare(@txtpos, '==', 'end - 1 char')
end

#fcntl(*args) ⇒ Object 



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# File 'sample/tktextio.rb', line 461

def fcntl(*args)
  fail NotImplementedError, "fcntl is not implemented on #{self.class}"
end

#fileno ⇒ Object 



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# File 'sample/tktextio.rb', line 469

def fileno
  nil
end

#flush ⇒ Object 



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# File 'sample/tktextio.rb', line 473

def flush
  Thread.pass
  if @open[:w] || ! @write_buffer.empty?
    @write_buf_mutex.synchronize {
      _sync_write_buf(@write_buffer) 
      @write_buffer[0..-1] = ''
    }
  end
  self
end

#fsync ⇒ Object 



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# File 'sample/tktextio.rb', line 465

def fsync
  0
end

#getc ⇒ Object 



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# File 'sample/tktextio.rb', line 484

def getc
  return _block_read(1) if @console_mode

  _check_readable
  return nil if eof?
  c = get(@txtpos)
  @txtpos.set(@txtpos + '1 char')
  _see_pos
  c
end

#gets(rs = $/) ⇒ Object 



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# File 'sample/tktextio.rb', line 495

def gets(rs = $/)
  return _block_read(rs) if @console_mode

  _check_readable
  return nil if eof?
  _readline(rs)
end

#index_pos ⇒ Object Also known as: tell_index 



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# File 'sample/tktextio.rb', line 535

def index_pos
  index(@txtpos)
end

#index_pos=(idx) ⇒ Object 



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# File 'sample/tktextio.rb', line 540

def index_pos=(idx)
  @txtpos.set(idx)
  @txtpos.set('end - 1 char') if compare(@txtpos, '>=', :end)
  _see_pos
  idx
end

#ioctrl(*args) ⇒ Object 



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# File 'sample/tktextio.rb', line 503

def ioctrl(*args)
  fail NotImplementedError, 'iocntl is not implemented on TkTextIO'
end

#isatty ⇒ Object 



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# File 'sample/tktextio.rb', line 507

def isatty
  false
end

#lineno ⇒ Object 



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# File 'sample/tktextio.rb', line 514

def lineno
  @lineno + @line_offset
end

#lineno=(num) ⇒ Object 



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# File 'sample/tktextio.rb', line 518

def lineno=(num)
  @line_offset = num - @lineno
  num
end

#overwrite=(ovwt) ⇒ Object 



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# File 'sample/tktextio.rb', line 527

def overwrite=(ovwt)
  @overwrite = (ovwt)? true: false
end

#overwrite? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'sample/tktextio.rb', line 523

def overwrite?
  @overwrite
end

#pid ⇒ Object 



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# File 'sample/tktextio.rb', line 531

def pid
  nil
end

#pos ⇒ Object Also known as: tell 



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# File 'sample/tktextio.rb', line 547

def pos
  s = get('1.0', @txtpos)
  number(tk_call('string', 'length', s))
end

#pos=(idx) ⇒ Object 



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# File 'sample/tktextio.rb', line 553

def pos=(idx)
  seek(idx, IO::SEEK_SET)
  idx
end

#pos_gravity ⇒ Object 



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# File 'sample/tktextio.rb', line 558

def pos_gravity
  @txtpos.gravity
end

#pos_gravity=(side) ⇒ Object 



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# File 'sample/tktextio.rb', line 562

def pos_gravity=(side)
  @txtpos.gravity = side
  side
end

#print(arg = $_, *args) ⇒ Object 



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# File 'sample/tktextio.rb', line 567

def print(arg=$_, *args)
  _check_writable
  args.unshift(arg)
  args.map!{|val| (val == nil)? 'nil': val.to_s }
  str = args.join($,)
  str << $\ if $\
  _write(str)
  nil
end

#printf(*args) ⇒ Object 



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# File 'sample/tktextio.rb', line 576

def printf(*args)
  _check_writable
  _write(sprintf(*args))
  nil
end

#putc(c) ⇒ Object 



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# File 'sample/tktextio.rb', line 582

def putc(c)
  _check_writable
  c = c.chr if c.kind_of?(Fixnum)
  _write(c)
  c
end

#puts(*args) ⇒ Object 



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# File 'sample/tktextio.rb', line 589

def puts(*args)
  _check_writable
  if args.empty?
    _write("\n")
    return nil
  end
  args.each{|arg|
    if arg == nil
      _write("nil\n")
    elsif arg.kind_of?(Array)
      puts(*arg)
    elsif arg.kind_of?(String)
      _write(arg.chomp)
      _write("\n")
    else
      begin
        arg = arg.to_ary
        puts(*arg)
      rescue
        puts(arg.to_s)
      end
    end
  }
  nil
end

#read(len = nil, buf = nil) ⇒ Object 



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# File 'sample/tktextio.rb', line 625

def read(len=nil, buf=nil)
  return _block_read(len, buf) if @console_mode

  _check_readable
  if len
    return "" if len == 0
    return nil if eof?
    s = _read(len)
  else
    s = get(@txtpos, 'end - 1 char')
    @txtpos.set('end - 1 char')
    _see_pos
  end
  buf.replace(s) if buf.kind_of?(String)
  s
end

#readchar ⇒ Object 



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# File 'sample/tktextio.rb', line 642

def readchar
  return _block_read(1) if @console_mode

  _check_readable
  fail EOFError if eof?
  c = get(@txtpos)
  @txtpos.set(@txtpos + '1 char')
  _see_pos
  c
end

#readline(rs = $/) ⇒ Object 



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# File 'sample/tktextio.rb', line 688

def readline(rs = $/)
  return _block_readline(rs) if @console_mode

  _check_readable
  fail EOFError if eof?
  _readline(rs)
end

#readlines(rs = $/) ⇒ Object 



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# File 'sample/tktextio.rb', line 696

def readlines(rs = $/)
  if @console_mode
    lines = []
    while (line = _block_readline(rs))
      lines << line
    end
    return lines
  end

  _check_readable
  lines = []
  until(eof?)
    lines << _readline(rs)
  end
  $_ = nil
  lines
end

#readpartial(maxlen, buf = nil) ⇒ Object 



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# File 'sample/tktextio.rb', line 714

def readpartial(maxlen, buf=nil)
  #return @console_buffer.readpartial(maxlen, buf) if @console_mode
  return _block_read(maxlen, buf, nil) if @console_mode

  _check_readable
  fail EOFError if eof?
  s = _read(maxlen)
  buf.replace(s) if buf.kind_of?(String)
  s
end

#reopen(*args) ⇒ Object 



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# File 'sample/tktextio.rb', line 725

def reopen(*args)
  fail NotImplementedError, 'reopen is not implemented on TkTextIO'
end

#rewind ⇒ Object 



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# File 'sample/tktextio.rb', line 729

def rewind
  @txtpos.set('1.0')
  _see_pos
  @lineno = 0
  @line_offset = 0
  self
end

#seek(offset, whence = IO::SEEK_SET) ⇒ Object Also known as: sysseek 



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# File 'sample/tktextio.rb', line 737

def seek(offset, whence=IO::SEEK_SET)
  case whence
  when IO::SEEK_SET
    offset = "1.0 + #{offset} char" if offset.kind_of?(Numeric)
    @txtpos.set(offset)

  when IO::SEEK_CUR
    offset = "#{offset} char" if offset.kind_of?(Numeric)
    @txtpos.set(@txtpos + offset)

  when IO::SEEK_END
    offset = "#{offset} char" if offset.kind_of?(Numeric)
    @txtpos.set("end - 1 char + #{offset}")

  else
    fail Errno::EINVAL, 'invalid whence argument'
  end

  @txtpos.set('end - 1 char') if compare(@txtpos, '>=', :end)
  _see_pos

  0
end

#show_mode ⇒ Object 



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# File 'sample/tktextio.rb', line 767

def show_mode
  (@show == @txtpos)? :pos : @show
end

#show_mode=(mode) ⇒ Object 



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# File 'sample/tktextio.rb', line 771

def show_mode=(mode)
  # define show mode  when file position is changed. 
  #  mode == :pos or "pos" or true :: see current file position. 
  #  mode == :insert or "insert"   :: see insert cursor position. 
  #  mode == nil or false          :: do nothing
  #  else see 'mode' position ('mode' should be text index or mark)
  case mode
  when :pos, 'pos', true
    @show = @txtpos
  when :insert, 'insert'
    @show = :insert
  when nil, false
    @show = false
  else
    begin
      index(mode)
    rescue
      fail ArgumentError, 'invalid show-position'
    end
    @show = mode
  end

  _see_pos

  mode
end

#stat ⇒ Object 



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# File 'sample/tktextio.rb', line 798

def stat
  fail NotImplementedError, 'stat is not implemented on TkTextIO'
end

#sync ⇒ Object 



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# File 'sample/tktextio.rb', line 802

def sync
  @sync
end

#sync=(mode) ⇒ Object 



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# File 'sample/tktextio.rb', line 806

def sync=(mode)
  @sync = mode
end

#sysread(len, buf = nil) ⇒ Object 



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# File 'sample/tktextio.rb', line 810

def sysread(len, buf=nil)
  return _block_read(len, buf) if @console_mode

  _check_readable
  fail EOFError if eof?
  s = _read(len)
  buf.replace(s) if buf.kind_of?(String)
  s
end

#syswrite(obj) ⇒ Object 



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# File 'sample/tktextio.rb', line 820

def syswrite(obj)
  _write(obj)
end

#to_io ⇒ Object 



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# File 'sample/tktextio.rb', line 824

def to_io
  self
end

#trancate(len) ⇒ Object 



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# File 'sample/tktextio.rb', line 828

def trancate(len)
  delete("1.0 + #{len} char", :end)
  0
end

#tty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'sample/tktextio.rb', line 510

def tty?
  false
end

#ungetc(c) ⇒ Object 



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# File 'sample/tktextio.rb', line 833

def ungetc(c)
  if @console_mode
    @read_buf_mutex.synchronize {
      @read_buffer[0,0] = c.chr
    }
    return nil
  end

  _check_readable
  c = c.chr if c.kind_of?(Fixnum)
  if compare(@txtpos, '>', '1.0')
    @txtpos.set(@txtpos - '1 char')
    delete(@txtpos)
    insert(@txtpos, tk_call('string', 'range', c, 0, 1))
    @txtpos.set(@txtpos - '1 char') if @txtpos.gravity == 'right'
    _see_pos
  else
    fail IOError, 'cannot ungetc at head of stream'
  end
  nil
end

#write(obj) ⇒ Object

end



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# File 'sample/tktextio.rb', line 901

def write(obj)
  _check_writable
  _write(obj)
end