Class: Tk::Canvas

Inherits:
TkWindow show all
Includes:
Scrollable, TkCanvasItemConfig
Defined in:
lib/tk/canvas.rb,
lib/tkextlib/blt/eps.rb

Constant Summary collapse

TkCommandNames =
['canvas'.freeze].freeze
WidgetClassName =
'Canvas'.freeze

Constants included from TkUtil

TkUtil::None, TkUtil::RELEASE_DATE

Constants included from TkCore

TkCore::EventFlag, TkCore::INTERP, TkCore::INTERP_MUTEX, TkCore::INTERP_ROOT_CHECK, TkCore::INTERP_THREAD, TkCore::INTERP_THREAD_STATUS, TkCore::RUN_EVENTLOOP_ON_MAIN_THREAD, TkCore::WIDGET_DESTROY_HOOK, TkCore::WITH_ENCODING, TkCore::WITH_RUBY_VM

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, Fontchooser, 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 Encoding

Encoding::BINARY, Encoding::BINARY_NAME, Encoding::DEFAULT_EXTERNAL_NAME, Encoding::DEFAULT_INTERNAL_NAME, Encoding::ENCODING_TABLE, Encoding::RubyEncoding, Encoding::UNKNOWN, Encoding::UTF8_NAME

Constants included from TkDND::Shape

TkDND::Shape::PACKAGE_NAME

Instance Method Summary collapse

Methods included from Scrollable

#autoscroll, #unautoscroll

Methods included from YScrollable

#yscrollbar, #yscrollcommand, #yview, #yview_moveto, #yview_scroll

Methods included from XScrollable

#xscrollbar, #xscrollcommand, #xview, #xview_moveto, #xview_scroll

Methods included from TkItemConfigMethod

__IGNORE_UNKNOWN_CONFIGURE_OPTION__, #__check_available_itemconfigure_options, #__current_itemconfiginfo, __set_IGNORE_UNKNOWN_CONFIGURE_OPTION__!, #current_itemconfiginfo, #itemcget, #itemcget_strict, #itemcget_tkstring, #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_nil, num_or_nil, num_or_str, #num_or_str, number, #number, string, #string, uninstall_cmd, untrust

Methods included from TkTreatItemFont

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

Methods inherited from TkWindow

_widget_inspect_full_=, _widget_inspect_full_?, #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_anchor, #grid_bbox, #grid_column, #grid_columnconfig, #grid_columnconfiginfo, #grid_config, #grid_forget, #grid_in, #grid_info, #grid_location, #grid_propagate, #grid_remove, #grid_row, #grid_rowconfig, #grid_rowconfiginfo, #grid_size, #grid_slaves, #initialize, #inspect, #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, #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 Busy

__item_cget_cmd, __item_config_cmd, __item_confinfo_cmd, #busy, #busy_cget, #busy_configinfo, #busy_configure, #busy_current?, #busy_current_configinfo, #busy_forget, #busy_status, current, forget, hold, method_missing, status

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, install_cmd, list, num_or_nil, num_or_str, number, procedure, simplelist, slice_ary, string, #subst, tk_tcl2ruby, uninstall_cmd, #uninstall_cmd, window

Methods included from TkEvent

#install_bind, #install_bind_for_event_class

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, #Grid, #Pack, #Place, UTF8_String, __create_widget_set__, __disable_toplevel_control__, __import_toplevel_aliases__, __regist_toplevel_aliases__, __remove_toplevel_aliases__, __reset_toplevel_owner__, __set_loaded_toplevel_aliases__, __set_toplevel_aliases__, __toplevel_alias_setup_proc__, _replace_toplevel_aliases, add_kinsoku, backup_current_topdef, bell, bell_on_display, const_missing, current_grabs, cursor_display, default_widget_set, default_widget_set=, define_topalias, define_topobj, 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, regist_sym_for_loaded_file, replace_topalias, replace_topobj, #root, set_topalias, show_kinsoku, sleep, 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, topalias_defined?, toplevel_aliases_on_widget_set, topobj_defined?, ungrid, unload_tcllibrary, unpack, unplace, update, #update, update_idletasks, utf_to_backslash, utf_to_backslash_sequence, wakeup, widget_set_symbols

Methods included from Encoding

#default_encoding=, #encoding=, #encoding_convertfrom, #encoding_convertto, #encoding_dirs, #encoding_dirs=, #encoding_name, #encoding_names, #encoding_obj, #encoding_objs, #encoding_system=, #encoding_system_name, #encoding_system_obj, #force_default_encoding, #force_default_encoding=, #force_default_encoding?, #tk_encoding_names

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, #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

#[], #[]=, __IGNORE_UNKNOWN_CONFIGURE_OPTION__, #__check_available_configure_options, __set_IGNORE_UNKNOWN_CONFIGURE_OPTION__!, #cget, #cget_strict, #cget_tkstring, #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

#__BLT_EPS_item_boolval_optkeysObject



27
# File 'lib/tkextlib/blt/eps.rb', line 27

alias __BLT_EPS_item_boolval_optkeys __item_boolval_optkeys

#__BLT_EPS_item_strval_optkeysObject



19
# File 'lib/tkextlib/blt/eps.rb', line 19

alias __BLT_EPS_item_strval_optkeys __item_strval_optkeys

#__destroy_hook__Object



54
55
56
# File 'lib/tk/canvas.rb', line 54

def __destroy_hook__
  TkcItem::CItemID_TBL.delete(@path)
end

#addtag(tag, mode, *args) ⇒ Object



99
100
101
102
103
104
105
106
# File 'lib/tk/canvas.rb', line 99

def addtag(tag, mode, *args)
  mode = mode.to_s
  if args[0] && mode =~ /^(above|below|with(tag)?)$/
    args[0] = tagid(args[0])
  end
  tk_send_without_enc('addtag', tagid(tag), mode, *args)
  self
end

#addtag_above(tagOrId, target) ⇒ Object



107
108
109
# File 'lib/tk/canvas.rb', line 107

def addtag_above(tagOrId, target)
  addtag(tagOrId, 'above', tagid(target))
end

#addtag_all(tagOrId) ⇒ Object



110
111
112
# File 'lib/tk/canvas.rb', line 110

def addtag_all(tagOrId)
  addtag(tagOrId, 'all')
end

#addtag_below(tagOrId, target) ⇒ Object



113
114
115
# File 'lib/tk/canvas.rb', line 113

def addtag_below(tagOrId, target)
  addtag(tagOrId, 'below', tagid(target))
end

#addtag_closest(tagOrId, x, y, halo = None, start = None) ⇒ Object



116
117
118
# File 'lib/tk/canvas.rb', line 116

def addtag_closest(tagOrId, x, y, halo=None, start=None)
  addtag(tagOrId, 'closest', x, y, halo, start)
end

#addtag_enclosed(tagOrId, x1, y1, x2, y2) ⇒ Object



119
120
121
# File 'lib/tk/canvas.rb', line 119

def addtag_enclosed(tagOrId, x1, y1, x2, y2)
  addtag(tagOrId, 'enclosed', x1, y1, x2, y2)
end

#addtag_overlapping(tagOrId, x1, y1, x2, y2) ⇒ Object



122
123
124
# File 'lib/tk/canvas.rb', line 122

def addtag_overlapping(tagOrId, x1, y1, x2, y2)
  addtag(tagOrId, 'overlapping', x1, y1, x2, y2)
end

#addtag_withtag(tagOrId, tag) ⇒ Object



125
126
127
# File 'lib/tk/canvas.rb', line 125

def addtag_withtag(tagOrId, tag)
  addtag(tagOrId, 'withtag', tagid(tag))
end

#bbox(tagOrId, *tags) ⇒ Object



129
130
131
132
# File 'lib/tk/canvas.rb', line 129

def bbox(tagOrId, *tags)
  list(tk_send_without_enc('bbox', tagid(tagOrId),
                           *tags.collect{|t| tagid(t)}))
end

#canvasx(screen_x, *args) ⇒ Object Also known as: canvas_x



173
174
175
176
# File 'lib/tk/canvas.rb', line 173

def canvasx(screen_x, *args)
  #tk_tcl2ruby(tk_send_without_enc('canvasx', screen_x, *args))
  number(tk_send_without_enc('canvasx', screen_x, *args))
end

#canvasy(screen_y, *args) ⇒ Object Also known as: canvas_y



177
178
179
180
# File 'lib/tk/canvas.rb', line 177

def canvasy(screen_y, *args)
  #tk_tcl2ruby(tk_send_without_enc('canvasy', screen_y, *args))
  number(tk_send_without_enc('canvasy', screen_y, *args))
end

#coords(tag, *args) ⇒ Object



184
185
186
187
188
189
190
191
# File 'lib/tk/canvas.rb', line 184

def coords(tag, *args)
  if args.empty?
    tk_split_list(tk_send_without_enc('coords', tagid(tag)))
  else
    tk_send_without_enc('coords', tagid(tag), *(args.flatten))
    self
  end
end

#create(type, *args) ⇒ Object

create a canvas item without creating a TkcItem object



88
89
90
91
92
93
94
95
96
97
# File 'lib/tk/canvas.rb', line 88

def create(type, *args)
  if type.kind_of?(Class) && type < TkcItem
    # do nothing
  elsif TkcItem.type2class(type.to_s)
    type = TkcItem.type2class(type.to_s)
  else
    fail ArgumentError, "type must a subclass of TkcItem class, or a string in CItemTypeToClass"
  end
  type.create(self, *args)
end

#create_itemobj_from_id(idnum) ⇒ Object



614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
# File 'lib/tk/canvas.rb', line 614

def create_itemobj_from_id(idnum)
  id = TkcItem.id2obj(self, idnum.to_i)
  return id if id.kind_of?(TkcItem)

  typename = tk_send('type', id)
  unless type = TkcItem.type2class(typename)
    (itemclass = typename.dup)[0,1] = typename[0,1].upcase
    type = TkcItem.const_set(itemclass, Class.new(TkcItem))
    type.const_set("CItemTypeName", typename.freeze)
    TkcItem::CItemTypeToClass[typename] = type
  end

  canvas = self
  (obj = type.allocate).instance_eval{
    @parent = @c = canvas
    @path = canvas.path
    @id = id
    TkcItem::CItemID_TBL.mutex.synchronize{
      TkcItem::CItemID_TBL[@path] = {} unless TkcItem::CItemID_TBL[@path]
      TkcItem::CItemID_TBL[@path][@id] = self
    }
  }
end

#dchars(tag, first, last = None) ⇒ Object



193
194
195
196
197
# File 'lib/tk/canvas.rb', line 193

def dchars(tag, first, last=None)
  tk_send_without_enc('dchars', tagid(tag),
                      _get_eval_enc_str(first), _get_eval_enc_str(last))
  self
end

#delete(*args) ⇒ Object Also known as: remove



199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
# File 'lib/tk/canvas.rb', line 199

def delete(*args)
  tbl = nil
  TkcItem::CItemID_TBL.mutex.synchronize{
    tbl = TkcItem::CItemID_TBL[self.path]
  }
  if tbl
    args.each{|tag|
      find('withtag', tag).each{|item|
        if item.kind_of?(TkcItem)
          TkcItem::CItemID_TBL.mutex.synchronize{
            tbl.delete(item.id)
          }
        end
      }
    }
  end
  tk_send_without_enc('delete', *args.collect{|t| tagid(t)})
  self
end

#dtag(tag, tag_to_del = None) ⇒ Object Also known as: deltag



220
221
222
223
# File 'lib/tk/canvas.rb', line 220

def dtag(tag, tag_to_del=None)
  tk_send_without_enc('dtag', tagid(tag), tagid(tag_to_del))
  self
end

#find(mode, *args) ⇒ Object



226
227
228
229
230
# File 'lib/tk/canvas.rb', line 226

def find(mode, *args)
  list(tk_send_without_enc('find', mode, *args)).collect!{|id|
    TkcItem.id2obj(self, id)
  }
end

#find_above(target) ⇒ Object



231
232
233
# File 'lib/tk/canvas.rb', line 231

def find_above(target)
  find('above', tagid(target))
end

#find_allObject



234
235
236
# File 'lib/tk/canvas.rb', line 234

def find_all
  find('all')
end

#find_below(target) ⇒ Object



237
238
239
# File 'lib/tk/canvas.rb', line 237

def find_below(target)
  find('below', tagid(target))
end

#find_closest(x, y, halo = None, start = None) ⇒ Object



240
241
242
# File 'lib/tk/canvas.rb', line 240

def find_closest(x, y, halo=None, start=None)
  find('closest', x, y, halo, start)
end

#find_enclosed(x1, y1, x2, y2) ⇒ Object



243
244
245
# File 'lib/tk/canvas.rb', line 243

def find_enclosed(x1, y1, x2, y2)
  find('enclosed', x1, y1, x2, y2)
end

#find_overlapping(x1, y1, x2, y2) ⇒ Object



246
247
248
# File 'lib/tk/canvas.rb', line 246

def find_overlapping(x1, y1, x2, y2)
  find('overlapping', x1, y1, x2, y2)
end

#find_withtag(tag) ⇒ Object



249
250
251
# File 'lib/tk/canvas.rb', line 249

def find_withtag(tag)
  find('withtag', tag)
end

#gettags(tagOrId) ⇒ Object



267
268
269
270
271
# File 'lib/tk/canvas.rb', line 267

def gettags(tagOrId)
  list(tk_send_without_enc('gettags', tagid(tagOrId))).collect{|tag|
    TkcTag.id2obj(self, tag)
  }
end

#icursor(tagOrId, index) ⇒ Object



273
274
275
276
# File 'lib/tk/canvas.rb', line 273

def icursor(tagOrId, index)
  tk_send_without_enc('icursor', tagid(tagOrId), index)
  self
end

#imove(tagOrId, idx, x, y) ⇒ Object Also known as: i_move



278
279
280
281
# File 'lib/tk/canvas.rb', line 278

def imove(tagOrId, idx, x, y)
  tk_send_without_enc('imove', tagid(tagOrId), idx, x, y)
  self
end

#index(tagOrId, idx) ⇒ Object



284
285
286
# File 'lib/tk/canvas.rb', line 284

def index(tagOrId, idx)
  number(tk_send_without_enc('index', tagid(tagOrId), idx))
end

#insert(tagOrId, index, string) ⇒ Object



288
289
290
291
292
# File 'lib/tk/canvas.rb', line 288

def insert(tagOrId, index, string)
  tk_send_without_enc('insert', tagid(tagOrId), index,
                      _get_eval_enc_str(string))
  self
end

#itembind(tag, context, *args) ⇒ Object

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

_bind([path, "bind", tagid(tag)], context, cmd, *args)
self

end



138
139
140
141
142
143
144
145
146
147
# File 'lib/tk/canvas.rb', line 138

def itembind(tag, 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([path, "bind", tagid(tag)], context, cmd, *args)
  self
end

#itembind_append(tag, context, *args) ⇒ Object

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

_bind_append([path, "bind", tagid(tag)], context, cmd, *args)
self

end



153
154
155
156
157
158
159
160
161
162
# File 'lib/tk/canvas.rb', line 153

def itembind_append(tag, 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([path, "bind", tagid(tag)], context, cmd, *args)
  self
end

#itembind_remove(tag, context) ⇒ Object



164
165
166
167
# File 'lib/tk/canvas.rb', line 164

def itembind_remove(tag, context)
  _bind_remove([path, "bind", tagid(tag)], context)
  self
end

#itembindinfo(tag, context = nil) ⇒ Object



169
170
171
# File 'lib/tk/canvas.rb', line 169

def itembindinfo(tag, context=nil)
  _bindinfo([path, "bind", tagid(tag)], context)
end

#itemfocus(tagOrId = nil) ⇒ Object



253
254
255
256
257
258
259
260
261
262
263
264
265
# File 'lib/tk/canvas.rb', line 253

def itemfocus(tagOrId=nil)
  if tagOrId
    tk_send_without_enc('focus', tagid(tagOrId))
    self
  else
    ret = tk_send_without_enc('focus')
    if ret == ""
      nil
    else
      TkcItem.id2obj(self, ret)
    end
  end
end

#itemtype(tag) ⇒ Object



610
611
612
# File 'lib/tk/canvas.rb', line 610

def itemtype(tag)
  TkcItem.type2class(tk_send('type', tagid(tag)))
end

#lower(tag, below = nil) ⇒ Object

def itemcget(tagOrId, option)

  case option.to_s
  when 'dash', 'activedash', 'disableddash'
    conf = tk_send_without_enc('itemcget', tagid(tagOrId), "-#{option}")
    if conf =~ /^[0-9]/
      list(conf)
    else
      conf
    end
  when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
    _fromUTF8(tk_send_without_enc('itemcget', tagid(tagOrId), "-#{option}"))
  when 'font', 'kanjifont'
    #fnt = tk_tcl2ruby(tk_send('itemcget', tagid(tagOrId), "-#{option}"))
    fnt = tk_tcl2ruby(_fromUTF8(tk_send_with_enc('itemcget', tagid(tagOrId), '-font')))
    unless fnt.kind_of?(TkFont)
      fnt = tagfontobj(tagid(tagOrId), fnt)
    end
    if option.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
      # obsolete; just for compatibility
      fnt.kanji_font
    else
      fnt
    end
  else
    tk_tcl2ruby(_fromUTF8(tk_send_without_enc('itemcget', tagid(tagOrId),
                                              "-#{option}")))
  end
end

def itemconfigure(tagOrId, key, value=None)
  if key.kind_of? Hash
    key = _symbolkey2str(key)
    coords = key.delete('coords')
    self.coords(tagOrId, coords) if coords

    if ( key['font'] || key['kanjifont'] \
        || key['latinfont'] || key['asciifont'] )
      tagfont_configure(tagid(tagOrId), key.dup)
    else
      _fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId),
                                    *hash_kv(key, true)))
    end

  else
    if ( key == 'coords' || key == :coords )
      self.coords(tagOrId, value)
    elsif ( key == 'font' || key == :font ||
            key == 'kanjifont' || key == :kanjifont ||
            key == 'latinfont' || key == :latinfont ||
            key == 'asciifont' || key == :asciifont )
      if value == None
        tagfontobj(tagid(tagOrId))
      else
        tagfont_configure(tagid(tagOrId), {key=>value})
      end
    else
      _fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId),
                                    "-#{key}", _get_eval_enc_str(value)))
    end
  end
  self
end

# def itemconfigure(tagOrId, key, value=None) # if key.kind_of? Hash # tk_send ‘itemconfigure’, tagid(tagOrId), *hash_kv(key) # else # tk_send ‘itemconfigure’, tagid(tagOrId), “-#key”, value # end # end # def itemconfigure(tagOrId, keys) # tk_send ‘itemconfigure’, tagid(tagOrId), *hash_kv(keys) # end

def itemconfiginfo(tagOrId, key=nil)
  if TkComm::GET_CONFIGINFO_AS_ARRAY
    if key
      case key.to_s
      when 'coords'
        return ['coords', '', '', '', self.coords(tagOrId)]
      when 'dash', 'activedash', 'disableddash'
        conf = tk_split_simplelist(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}"))
        if conf[3] && conf[3] =~ /^[0-9]/
          conf[3] = list(conf[3])
        end
        if conf[4] && conf[4] =~ /^[0-9]/
          conf[4] = list(conf[4])
        end
      when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
        conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}")))
      when 'font', 'kanjifont'
        conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId),"-#{key}")))
        conf[4] = tagfont_configinfo(tagid(tagOrId), conf[4])
      else
        conf = tk_split_list(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}")))
      end
      conf[0] = conf[0][1..-1]
      conf
    else
      ret = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId)))).collect{|conflist|
        conf = tk_split_simplelist(conflist)
        conf[0] = conf[0][1..-1]
        case conf[0]
        when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
        when 'dash', 'activedash', 'disableddash'
          if conf[3] && conf[3] =~ /^[0-9]/
            conf[3] = list(conf[3])
          end
          if conf[4] && conf[4] =~ /^[0-9]/
            conf[4] = list(conf[4])
          end
        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
      }

      fontconf = ret.assoc('font')
      if fontconf
        ret.delete_if{|item| item[0] == 'font' || item[0] == 'kanjifont'}
        fontconf[4] = tagfont_configinfo(tagid(tagOrId), fontconf[4])
        ret.push(fontconf)
      end

      ret << ['coords', '', '', '', self.coords(tagOrId)]
    end
  else # ! TkComm::GET_CONFIGINFO_AS_ARRAY
    if key
      case key.to_s
      when 'coords'
        {'coords' => ['', '', '', self.coords(tagOrId)]}
      when 'dash', 'activedash', 'disableddash'
        conf = tk_split_simplelist(tk_send_without_enc('itemconfigure',
                                                       tagid(tagOrId),
                                                       "-#{key}"))
        if conf[3] && conf[3] =~ /^[0-9]/
          conf[3] = list(conf[3])
        end
        if conf[4] && conf[4] =~ /^[0-9]/
          conf[4] = list(conf[4])
        end
      when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
        conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}")))
      when 'font', 'kanjifont'
        conf = tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId),"-#{key}")))
        conf[4] = tagfont_configinfo(tagid(tagOrId), conf[4])
      else
        conf = tk_split_list(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId), "-#{key}")))
      end
      key = conf.shift[1..-1]
      { key => conf }
    else
      ret = {}
      tk_split_simplelist(_fromUTF8(tk_send_without_enc('itemconfigure', tagid(tagOrId)))).each{|conflist|
        conf = tk_split_simplelist(conflist)
        key = conf.shift[1..-1]
        case key
        when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
        when 'dash', 'activedash', 'disableddash'
          if conf[2] && conf[2] =~ /^[0-9]/
            conf[2] = list(conf[2])
          end
          if conf[3] && conf[3] =~ /^[0-9]/
            conf[3] = list(conf[3])
          end
        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
      }

      fontconf = ret['font']
      if fontconf
        ret.delete('font')
        ret.delete('kanjifont')
        fontconf[3] = tagfont_configinfo(tagid(tagOrId), fontconf[3])
        ret['font'] = fontconf
      end

      ret['coords'] = ['', '', '', self.coords(tagOrId)]

      ret
    end
  end
end

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


533
534
535
536
537
538
539
540
# File 'lib/tk/canvas.rb', line 533

def lower(tag, below=nil)
  if below
    tk_send_without_enc('lower', tagid(tag), tagid(below))
  else
    tk_send_without_enc('lower', tagid(tag))
  end
  self
end

#move(tag, dx, dy) ⇒ Object



542
543
544
545
# File 'lib/tk/canvas.rb', line 542

def move(tag, dx, dy)
  tk_send_without_enc('move', tagid(tag), dx, dy)
  self
end

#moveto(tag, x, y) ⇒ Object Also known as: move_to



547
548
549
550
551
# File 'lib/tk/canvas.rb', line 547

def moveto(tag, x, y)
  # Tcl/Tk 8.6 or later
  tk_send_without_enc('moveto', tagid(tag), x, y)
  self
end

#postscript(keys) ⇒ Object



554
555
556
# File 'lib/tk/canvas.rb', line 554

def postscript(keys)
  tk_send("postscript", *hash_kv(keys))
end

#raise(tag, above = nil) ⇒ Object



558
559
560
561
562
563
564
565
# File 'lib/tk/canvas.rb', line 558

def raise(tag, above=nil)
  if above
    tk_send_without_enc('raise', tagid(tag), tagid(above))
  else
    tk_send_without_enc('raise', tagid(tag))
  end
  self
end

#rchars(tag, first, last, str_or_coords) ⇒ Object Also known as: replace_chars, replace_coords



567
568
569
570
571
572
# File 'lib/tk/canvas.rb', line 567

def rchars(tag, first, last, str_or_coords)
  # Tcl/Tk 8.6 or later
  str_or_coords = str_or_coords.flatten if str_or_coords.kinad_of? Array
  tk_send_without_enc('rchars', tagid(tag), first, last, str_or_coords)
  self
end

#scale(tag, x, y, xs, ys) ⇒ Object



576
577
578
579
# File 'lib/tk/canvas.rb', line 576

def scale(tag, x, y, xs, ys)
  tk_send_without_enc('scale', tagid(tag), x, y, xs, ys)
  self
end

#scan_dragto(x, y, gain = None) ⇒ Object



585
586
587
588
# File 'lib/tk/canvas.rb', line 585

def scan_dragto(x, y, gain=None)
  tk_send_without_enc('scan', 'dragto', x, y, gain)
  self
end

#scan_mark(x, y) ⇒ Object



581
582
583
584
# File 'lib/tk/canvas.rb', line 581

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

#select(mode, *args) ⇒ Object



590
591
592
593
# File 'lib/tk/canvas.rb', line 590

def select(mode, *args)
  r = tk_send_without_enc('select', mode, *args)
  (mode == 'item')? TkcItem.id2obj(self, r): self
end

#select_adjust(tagOrId, index) ⇒ Object



594
595
596
# File 'lib/tk/canvas.rb', line 594

def select_adjust(tagOrId, index)
  select('adjust', tagid(tagOrId), index)
end

#select_clearObject



597
598
599
# File 'lib/tk/canvas.rb', line 597

def select_clear
  select('clear')
end

#select_from(tagOrId, index) ⇒ Object



600
601
602
# File 'lib/tk/canvas.rb', line 600

def select_from(tagOrId, index)
  select('from', tagid(tagOrId), index)
end

#select_itemObject



603
604
605
# File 'lib/tk/canvas.rb', line 603

def select_item
  select('item')
end

#select_to(tagOrId, index) ⇒ Object



606
607
608
# File 'lib/tk/canvas.rb', line 606

def select_to(tagOrId, index)
  select('to', tagid(tagOrId), index)
end