Class: Tk::Iwidgets::Scrolledtext

Inherits:
Scrolledwidget show all
Includes:
TkTextTagConfig
Defined in:
lib/tkextlib/iwidgets/scrolledtext.rb,
lib/tkextlib/iwidgets/scrolledtext.rb

Direct Known Subclasses

Scrolledhtml

Constant Summary collapse

TkCommandNames = 
['::iwidgets::scrolledtext'.freeze].freeze
WidgetClassName = 
'Scrolledtext'.freeze

Constants included from TkUtil

TkUtil::None, TkUtil::RELEASE_DATE

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

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

Constants included from TkDND::Shape

TkDND::Shape::PACKAGE_NAME

Instance Method Summary collapse

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

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 Labeledwidget

alignlabels

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, _callback_entry?, _callback_entry_class?, _curr_cmd_id, _fromUTF8, _genobj_for_tkwidget, _next_cmd_id, _toUTF8, array2tk_list, #bind, #bind_all, #bind_append, #bind_append_all, #bind_remove, #bind_remove_all, #bindinfo, #bindinfo_all, bool, image_obj, install_cmd, list, num_or_str, number, procedure, simplelist, string, #subst, tk_tcl2ruby, uninstall_cmd, window

Methods included from TkEvent

#install_bind, #install_bind_for_event_class

Methods inherited from Tk::Itk::Archetype

#__destroy_hook__, #component, #component_invoke, #component_obj, #component_path, to_eval

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, #destroy, #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, #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 Encoding

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

Methods included from TkDND::DND

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

Methods included from TkDND::Shape

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

Methods inherited from TkObject

#destroy, #epath, #event_generate, #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

#initialize(*args) ⇒ Scrolledtext

Returns a new instance of Scrolledtext.



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 34

def initialize(*args)
  super(*args)
  @text = component_widget('text')
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(id, *args) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 39

def method_missing(id, *args)
  if @text.methods.include?(id.id2name)
    @text.__send__(id, *args)
  else
    super(id, *args)
  end
end

Instance Method Details

#bbox(index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 85

def bbox(index)
  list(tk_send('bbox', index))
end

#child_site ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 49

def child_site
  window(tk_call(@path, 'childsite'))
end

#clear ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 53

def clear
  tk_call(@path, 'clear')
  self
end

#compare(idx1, op, idx2) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 88

def compare(idx1, op, idx2)
  bool(tk_send_without_enc('compare', _get_eval_enc_str(idx1), 
                           op, _get_eval_enc_str(idx2)))
end

#current_image_configinfo(index, slot = nil) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 234

def current_image_configinfo(index, slot = nil)
  if TkComm::GET_CONFIGINFO_AS_ARRAY
    if slot
      conf = image_configinfo(index, slot)
      {conf[0] => conf[4]}
    else
      ret = {}
      image_configinfo(index).each{|conf|
        ret[conf[0]] = conf[4] if conf.size > 2
      }
      ret
    end
  else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
    ret = {}
    image_configinfo(index, slot).each{|k, conf|
      ret[k] = conf[-1] if conf.kind_of?(Array)
    }
    ret
  end
end

#debug ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 93

def debug
  bool(tk_send_without_enc('debug'))
end

#debug=(boolean) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 96

def debug=(boolean)
  tk_send_without_enc('debug', boolean)
  #self
  boolean
end

#delete(first, last = None) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 102

def delete(first, last=None)
  tk_send_without_enc('delete', first, last)
  self
end

#dlineinfo(index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 107

def dlineinfo(index)
  list(tk_send_without_enc('dlineinfo', _get_eval_enc_str(index)))
end

#export(file) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 67

def export(file)
  tk_call(@path, 'export', file)
  self
end

#get(*index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 111

def get(*index)
  _fromUTF8(tk_send_without_enc('get', *index))
end

#get_displaychars(*index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 114

def get_displaychars(*index)
  # Tk8.5 feature
  get('-displaychars', *index)
end

#image_cget(index, slot) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 119

def image_cget(index, slot)
  case slot.to_s
  when 'text', 'label', 'show', 'data', 'file'
    _fromUTF8(tk_send_without_enc('image', 'cget', 
                                  _get_eval_enc_str(index), "-#{slot}"))
  else
    tk_tcl2ruby(_fromUTF8(tk_send_without_enc('image', 'cget', 
                                              _get_eval_enc_str(index), 
                                              "-#{slot}")))
  end
end

#image_configinfo(index, slot = nil) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 145

def image_configinfo(index, slot = nil)
  if TkComm::GET_CONFIGINFO_AS_ARRAY
    if slot
      case slot.to_s
      when 'text', 'label', 'show', 'data', 'file'
        #conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
        conf = tk_split_simplelist(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}"), false, true)
      else
        #conf = tk_split_list(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
        conf = tk_split_list(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}"), 0, false, true)
      end
      conf[0] = conf[0][1..-1]
      conf
    else
      #tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index)))).collect{|conflist|
      #  conf = tk_split_simplelist(conflist)
      tk_split_simplelist(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index)), false, false).collect{|conflist|
        conf = tk_split_simplelist(conflist, false, true)
        conf[0] = conf[0][1..-1]
        case conf[0]
        when 'text', 'label', 'show', 'data', 'file'
        else
          if conf[3]
            if conf[3].index('{')
              conf[3] = tk_split_list(conf[3]) 
            else
              conf[3] = tk_tcl2ruby(conf[3]) 
            end
          end
          if conf[4]
            if conf[4].index('{')
              conf[4] = tk_split_list(conf[4]) 
            else
              conf[4] = tk_tcl2ruby(conf[4]) 
            end
          end
        end
        conf[1] = conf[1][1..-1] if conf.size == 2 # alias info
        conf
      }
    end
  else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
    if slot
      case slot.to_s
      when 'text', 'label', 'show', 'data', 'file'
        #conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
        conf = tk_split_simplelist(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}"), false, true)
      else
        #conf = tk_split_list(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}")))
        conf = tk_split_list(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index), "-#{slot}"), 0, false, true)
      end
      key = conf.shift[1..-1]
      { key => conf }
    else
      ret = {}
      #tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index)))).each{|conflist|
      #  conf = tk_split_simplelist(conflist)
      tk_split_simplelist(tk_send_without_enc('image', 'configure', _get_eval_enc_str(index)), false, false).each{|conflist|
        conf = tk_split_simplelist(conflist, false, true)
        key = conf.shift[1..-1]
        case key
        when 'text', 'label', 'show', 'data', 'file'
        else
          if conf[2]
            if conf[2].index('{')
              conf[2] = tk_split_list(conf[2]) 
            else
              conf[2] = tk_tcl2ruby(conf[2]) 
            end
          end
          if conf[3]
            if conf[3].index('{')
              conf[3] = tk_split_list(conf[3]) 
            else
              conf[3] = tk_tcl2ruby(conf[3]) 
            end
          end
        end
        if conf.size == 1
          ret[key] = conf[0][1..-1]  # alias info
        else
          ret[key] = conf
        end
      }
      ret
    end
  end
end

#image_configure(index, slot, value = None) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 131

def image_configure(index, slot, value=None)
  if slot.kind_of? Hash
    _fromUTF8(tk_send_without_enc('image', 'configure', 
                                  _get_eval_enc_str(index), 
                                  *hash_kv(slot, true)))
  else
    _fromUTF8(tk_send_without_enc('image', 'configure', 
                                  _get_eval_enc_str(index), 
                                  "-#{slot}", 
                                  _get_eval_enc_str(value)))
  end
  self
end

#image_names ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 255

def image_names
  #tk_split_simplelist(_fromUTF8(tk_send_without_enc('image', 'names'))).collect{|elt|
  tk_split_simplelist(tk_send_without_enc('image', 'names'), false, true).collect{|elt|
    tagid2obj(elt)
  }
end

#import(file, idx = nil) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 58

def import(file, idx=nil)
  if idx
    tk_call(@path, 'import', file, index(idx))
  else
    tk_call(@path, 'import', file)
  end
  self
end

#index(idx) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 262

def index(idx)
  tk_send_without_enc('index', _get_eval_enc_str(idx))
end

#insert(index, *args) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 266

def insert(index, *args)
  tk_send('insert', index, *args)
  self
end

#mark_gravity(mark, direction = nil) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 278

def mark_gravity(mark, direction=nil)
  if direction
    tk_send_without_enc('mark', 'gravity', 
                        _get_eval_enc_str(mark), direction)
    self
  else
    tk_send_without_enc('mark', 'gravity', _get_eval_enc_str(mark))
  end
end

#mark_names ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 271

def mark_names
  #tk_split_simplelist(_fromUTF8(tk_send_without_enc('mark', 'names'))).collect{|elt|
  tk_split_simplelist(tk_send_without_enc('mark', 'names'), false, true).collect{|elt|
    tagid2obj(elt)
  }
end

#mark_next(index) ⇒ Object Also known as: next_mark 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 302

def mark_next(index)
  tagid2obj(_fromUTF8(tk_send_without_enc('mark', 'next', 
                                          _get_eval_enc_str(index))))
end

#mark_previous(index) ⇒ Object Also known as: previous_mark 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 308

def mark_previous(index)
  tagid2obj(_fromUTF8(tk_send_without_enc('mark', 'previous', 
                                          _get_eval_enc_str(index))))
end

#mark_set(mark, index) ⇒ Object Also known as: set_mark 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 288

def mark_set(mark, index)
  tk_send_without_enc('mark', 'set', _get_eval_enc_str(mark), 
                      _get_eval_enc_str(index))
  self
end

#mark_unset(*marks) ⇒ Object Also known as: unset_mark 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 295

def mark_unset(*marks)
  tk_send_without_enc('mark', 'unset', 
                      *(marks.collect{|mark| _get_eval_enc_str(mark)}))
  self
end

#rsearch(pat, start, stop = None) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 498

def rsearch(pat,start,stop=None)
  rsearch_with_length(pat,start,stop)[0]
end

#rsearch_with_length(pat, start, stop = None) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 446

def rsearch_with_length(pat,start,stop=None)
  pat = pat.chr if pat.kind_of? Integer
  if stop != None
    return ["", 0] if compare(start,'<=',stop)
    txt = get(stop,start)
    if (pos = txt.rindex(pat))
      match = $&
      #pos = txt[0..(pos-1)].split('').length if pos > 0
      pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
      if pat.kind_of? String
        #return [index(stop + " + #{pos} chars"), pat.split('').length]
        return [index(stop + " + #{pos} chars"), _ktext_length(pat), pat.dup]
      else
        #return [index(stop + " + #{pos} chars"), $&.split('').length]
        return [index(stop + " + #{pos} chars"), _ktext_length(match), match]
      end
    else
      return ["", 0]
    end
  else
    txt = get('1.0',start)
    if (pos = txt.rindex(pat))
      match = $&
      #pos = txt[0..(pos-1)].split('').length if pos > 0
      pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
      if pat.kind_of? String
        #return [index("1.0 + #{pos} chars"), pat.split('').length]
        return [index("1.0 + #{pos} chars"), _ktext_length(pat), pat.dup]
      else
        #return [index("1.0 + #{pos} chars"), $&.split('').length]
        return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
      end
    else
      txt = get('1.0','end - 1 char')
      if (pos = txt.rindex(pat))
        match = $&
        #pos = txt[0..(pos-1)].split('').length if pos > 0
        pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
        if pat.kind_of? String
          #return [index("1.0 + #{pos} chars"), pat.split('').length]
          return [index("1.0 + #{pos} chars"), _ktext_length(pat), pat.dup]
        else
          #return [index("1.0 + #{pos} chars"), $&.split('').length]
          return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
        end
      else
        return ["", 0]
      end
    end
  end
end

#scan_dragto(x, y) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 318

def scan_dragto(x, y)
  tk_send_without_enc('scan', 'dragto', x, y)
  self
end

#scan_mark(x, y) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 314

def scan_mark(x, y)
  tk_send_without_enc('scan', 'mark', x, y)
  self
end

#search(pat, start, stop = None) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 442

def search(pat,start,stop=None)
  search_with_length(pat,start,stop)[0]
end

#search_with_length(pat, start, stop = None) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 385

def search_with_length(pat,start,stop=None)
  pat = pat.chr if pat.kind_of? Integer
  if stop != None
    return ["", 0] if compare(start,'>=',stop)
    txt = get(start,stop)
    if (pos = txt.index(pat))
      match = $&
      #pos = txt[0..(pos-1)].split('').length if pos > 0
      pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
      if pat.kind_of? String
        #return [index(start + " + #{pos} chars"), pat.split('').length]
        return [index(start + " + #{pos} chars"), 
                _ktext_length(pat), pat.dup]
      else
        #return [index(start + " + #{pos} chars"), $&.split('').length]
        return [index(start + " + #{pos} chars"), 
                _ktext_length(match), match]
      end
    else
      return ["", 0]
    end
  else
    txt = get(start,'end - 1 char')
    if (pos = txt.index(pat))
      match = $&
      #pos = txt[0..(pos-1)].split('').length if pos > 0
      pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
      if pat.kind_of? String
        #return [index(start + " + #{pos} chars"), pat.split('').length]
        return [index(start + " + #{pos} chars"), 
                _ktext_length(pat), pat.dup]
      else
        #return [index(start + " + #{pos} chars"), $&.split('').length]
        return [index(start + " + #{pos} chars"), 
                _ktext_length(match), match]
      end
    else
      txt = get('1.0','end - 1 char')
      if (pos = txt.index(pat))
        match = $&
        #pos = txt[0..(pos-1)].split('').length if pos > 0
        pos = _ktext_length(txt[0..(pos-1)]) if pos > 0
        if pat.kind_of? String
          #return [index("1.0 + #{pos} chars"), pat.split('').length]
          return [index("1.0 + #{pos} chars"), 
                  _ktext_length(pat), pat.dup]
        else
          #return [index("1.0 + #{pos} chars"), $&.split('').length]
          return [index("1.0 + #{pos} chars"), _ktext_length(match), match]
        end
      else
        return ["", 0]
      end
    end
  end
end

#see(index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 502

def see(index)
  tk_send_without_enc('see', index)
  self
end

#tksearch(*args) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 345

def tksearch(*args)
  # call 'search' subcommand of text widget
  #   args ::= [<array_of_opts>] <pattern> <start_index> [<stop_index>]
  # If <pattern> is regexp, then it must be a regular expression of Tcl
  if args[0].kind_of?(Array)
    opts = args.shift.collect{|opt| '-' + opt.to_s }
  else
    opts = []
  end

  opts << '--'

  ret = tk_send('search', *(opts + args))
  if ret == ""
    nil
  else
    ret
  end
end

#tksearch_with_count(*args) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 365

def tksearch_with_count(*args)
  # call 'search' subcommand of text widget
  #   args ::= [<array_of_opts>] <var> <pattern> <start_index> [<stop_index>]
  # If <pattern> is regexp, then it must be a regular expression of Tcl
  if args[0].kind_of?(Array)
    opts = args.shift.collect{|opt| '-' + opt.to_s }
  else
    opts = []
  end

  opts << '-count' << args.shift << '--'

  ret = tk_send('search', *(opts + args))
  if ret == ""
    nil
  else
    ret
  end
end

#xview(*index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 509

def xview(*index)
  if index.size == 0
    list(tk_send_without_enc('xview'))
  else
    tk_send_without_enc('xview', *index)
    self
  end
end

#xview_moveto(*index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 517

def xview_moveto(*index)
  xview('moveto', *index)
end

#xview_scroll(*index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 520

def xview_scroll(*index)
  xview('scroll', *index)
end

#yview(*index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 524

def yview(*index)
  if index.size == 0
    list(tk_send_without_enc('yview'))
  else
    tk_send_without_enc('yview', *index)
    self
  end
end

#yview_moveto(*index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 532

def yview_moveto(*index)
  yview('moveto', *index)
end

#yview_scroll(*index) ⇒ Object 



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# File 'lib/tkextlib/iwidgets/scrolledtext.rb', line 535

def yview_scroll(*index)
  yview('scroll', *index)
end