--- /dev/null
+# -*- coding: euc-jp -*-
+#
+# Canvas Text widget demo (called by 'widget')
+#
+
+# toplevel widget ¤¬Â¸ºß¤¹¤ì¤Ðºï½ü¤¹¤ë
+if defined?($ctext_demo) && $ctext_demo
+ $ctext_demo.destroy
+ $ctext_demo = nil
+end
+
+# demo ÍѤΠtoplevel widget ¤òÀ¸À®
+$ctext_demo = TkToplevel.new {|w|
+ title("Canvas Text Demonstration")
+ iconname("Text")
+ positionWindow(w)
+}
+
+base_frame = TkFrame.new($ctext_demo).pack(:fill=>:both, :expand=>true)
+
+# label À¸À®
+TkLabel.new(base_frame, 'font'=>$font, 'wraplength'=>'5i', 'justify'=>'left',
+ 'text'=>"¤³¤Î¥¦¥£¥ó¥É¥¦¤Ë¤Ï¥¥ã¥ó¥Ð¥¹widget¤Î¥Æ¥¥¹¥Èµ¡Ç½¤ò¥Ç¥â¤¹¤ë¤¿¤á¤Î¥Æ¥¥¹¥Èʸ»úÎó¤¬É½¼¨¤µ¤ì¤Æ¤¤¤Þ¤¹¡£¥Þ¥¦¥¹¤ò»Í³Ñ¤ÎÃæ¤Ë»ý¤Ã¤Æ¤¤¤¡¢¥¯¥ê¥Ã¥¯¤¹¤ë¤È°ÌÃÖ¤®¤áÍѤÎÅÀ¤«¤é¤ÎÁêÂаÌÃÖ¤òÊѤ¨¤¿¤ê¡¢¹Ô·¤¨¤òÊѤ¨¤¿¤ê¤¹¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£¤Þ¤¿°Ê²¼¤Î¤è¤¦¤ÊÊÔ½¸¤Î¤¿¤á¤Î´Êñ¤Ê¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Þ¤¹¡£
+
+ 1. ¥Þ¥¦¥¹¤ò»ý¤Ã¤Æ¤¤¤¡¢¥¯¥ê¥Ã¥¯¤·¡¢ÆþÎϤǤ¤Þ¤¹¡£
+ 2. ¥Ü¥¿¥ó1¤ÇÁªÂò¤Ç¤¤Þ¤¹¡£
+ 3. ¥Þ¥¦¥¹¤Î°ÌÃ֤˥ܥ¿¥ó2¤ÇÁªÂò¤·¤¿¥Æ¥¥¹¥È¤ò¥³¥Ô¡¼¤Ç¤¤Þ¤¹¡£
+ 4.¥Ð¥Ã¥¯¥¹¥Ú¡¼¥¹¤ò¥³¥ó¥È¥í¡¼¥ë-H¤ÇÁÞÆþ¥«¡¼¥½¥ë¤ÎľÁ°¤Îʸ»ú¤òºï½ü¤·¤Þ¤¹¡£
+ 5. Delete¥¡¼¤ÏÁÞÆþ¥«¡¼¥½¥ë¤Îľ¸å¤Îʸ»ú¤òºï½ü¤·¤Þ¤¹¡£"){
+ pack('side'=>'top')
+}
+
+# frame À¸À®
+$ctext_buttons = TkFrame.new(base_frame) {|frame|
+ TkButton.new(frame) {
+ #text 'λ²ò'
+ text 'ÊĤ¸¤ë'
+ command proc{
+ tmppath = $ctext_demo
+ $ctext_demo = nil
+ tmppath.destroy
+ }
+ }.pack('side'=>'left', 'expand'=>'yes')
+
+ TkButton.new(frame) {
+ text '¥³¡¼¥É»²¾È'
+ command proc{showCode 'ctext'}
+ }.pack('side'=>'left', 'expand'=>'yes')
+}
+$ctext_buttons.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
+
+# canvas À¸À®
+$ctext_canvas = TkCanvas.new(base_frame, 'relief'=>'flat',
+ 'borderwidth'=>0, 'width'=>500, 'height'=>350)
+$ctext_canvas.pack('side'=>'top', 'expand'=>'yes', 'fill'=>'both')
+
+# font ÀßÄê
+if $tk_version =~ /^4.*/
+ textFont = '-*-Helvetica-Medium-R-Normal--*-240-*-*-*-*-*-*'
+else
+ textFont = 'Helvetica 24'
+end
+
+# canvas ÀßÄê
+TkcRectangle.new($ctext_canvas, 245, 195, 255, 205,
+ 'outline'=>'black', 'fill'=>'red')
+
+ctag_text_param = {
+ 'text'=>"¤³¤ì¤Ï¥¥ã¥ó¥Ð¥¹widget¤Î¥Æ¥¥¹¥Èµ¡Ç½¤ò¥Ç¥â¤¹¤ë¤¿¤á¤Îʸ»úÎó¤Ç¤¹¡£\n¾å¤Ç½Ò¤Ù¤¿¤è¤¦¤ÊÊÔ½¸¤ò²Äǽ¤È¤¹¤ë¤¿¤á¤Î¥Ð¥¤¥ó¥Ç¥£¥ó¥°¤ò»Ü¤·¤Æ¤¤¤Þ¤¹¡£",
+ 'width'=>440, 'anchor'=>'n', 'justify'=>'left'
+}
+if $tk_version =~ /^4.*/
+ ctag_text_param['font'] = '-*-Helvetica-Medium-R-Normal--*-240-*-*-*-*-*-*'
+ ctag_text_param['kanjifont'] = '-*-r-*--24-*-jisx0208.1983-0'
+else
+ ctag_text_param['font'] = 'Helvetica 24'
+end
+$ctag_text = TkcTag.new($ctext_canvas)
+$ctag_text.withtag(TkcText.new($ctext_canvas, 250, 200, ctag_text_param))
+
+$ctag_text.bind('1', proc{|x,y| textB1Press $ctext_canvas,x,y}, "%x %y")
+$ctag_text.bind('B1-Motion', proc{|x,y| textB1Move $ctext_canvas,x,y}, "%x %y")
+$ctag_text.bind('Shift-1',
+ proc{|x,y| $ctext_canvas.seleect_adjust 'current', "@#{x},#{y}"},
+ "%x %y")
+$ctag_text.bind('Shift-B1-Motion',
+ proc{|x,y| textB1Move $ctext_canvas,x,y}, "%x %y")
+$ctag_text.bind('KeyPress', proc{|a| textInsert $ctext_canvas,a}, "%A")
+$ctag_text.bind('Return', proc{textInsert $ctext_canvas,"\n"})
+$ctag_text.bind('Control-h', proc{textBs $ctext_canvas})
+$ctag_text.bind('BackSpace', proc{textBs $ctext_canvas})
+$ctag_text.bind('Delete', proc{textDel $ctext_canvas})
+$ctag_text.bind('2', proc{|x,y| textPaste $ctext_canvas, "@#{x},#{y}"},
+ "%x %y")
+
+# Next, create some items that allow the text's anchor position
+# to be edited.
+
+def mkTextConfig(w,x,y,option,value,color)
+ item = TkcRectangle.new(w, x, y, x+30, y+30,
+ 'outline'=>'black', 'fill'=>color, 'width'=>1)
+ item.bind('1', proc{$ctag_text.configure option, value})
+ w.addtag_withtag('config', item)
+end
+
+x = 50
+y = 50
+color = 'LightSkyBlue1'
+mkTextConfig $ctext_canvas, x, y, 'anchor', 'se', color
+mkTextConfig $ctext_canvas, x+30, y, 'anchor', 's', color
+mkTextConfig $ctext_canvas, x+60, y, 'anchor', 'sw', color
+mkTextConfig $ctext_canvas, x, y+30, 'anchor', 'e', color
+mkTextConfig $ctext_canvas, x+30, y+30, 'anchor', 'center', color
+mkTextConfig $ctext_canvas, x+60, y+30, 'anchor', 'w', color
+mkTextConfig $ctext_canvas, x, y+60, 'anchor', 'ne', color
+mkTextConfig $ctext_canvas, x+30, y+60, 'anchor', 'n', color
+mkTextConfig $ctext_canvas, x+60, y+60, 'anchor', 'nw', color
+item = TkcRectangle.new($ctext_canvas, x+40, y+40, x+50, y+50,
+ 'outline'=>'black', 'fill'=>'red')
+item.bind('1', proc{$ctag_text.configure 'anchor', 'center'})
+if $tk_version =~ /^4.*/
+ TkcText.new($ctext_canvas, x+45, y-5, 'text'=>'Text Position',
+ 'font'=>'-*-times-medium-r-normal--*-240-*-*-*-*-*-*',
+ 'anchor'=>'s', 'fill'=>'brown')
+else
+ TkcText.new($ctext_canvas, x+45, y-5, 'text'=>'Text Position',
+ 'font'=>'Times 24', 'anchor'=>'s', 'fill'=>'brown')
+end
+
+# Lastly, create some items that allow the text's justification to be
+# changed.
+
+x = 350
+y = 50
+color = 'SeaGreen2'
+mkTextConfig $ctext_canvas, x, y, 'justify', 'left', color
+mkTextConfig $ctext_canvas, x+30, y, 'justify', 'center', color
+mkTextConfig $ctext_canvas, x+60, y, 'justify', 'right', color
+if $tk_version =~ /^4.*/
+ TkcText.new($ctext_canvas, x+45, y-5, 'text'=>'Justification',
+ 'font'=>'-*-times-medium-r-normal--*-240-*-*-*-*-*-*',
+ 'anchor'=>'s', 'fill'=>'brown')
+else
+ TkcText.new($ctext_canvas, x+45, y-5, 'text'=>'Justification',
+ 'font'=>'Times 24', 'anchor'=>'s', 'fill'=>'brown')
+end
+
+$ctext_canvas.itembind('config', 'Enter', proc{textEnter $ctext_canvas})
+$ctext_canvas.itembind('config', 'Leave',
+ proc{$ctext_canvas\
+ .itemconfigure('current',
+ 'fill'=>$textConfigFill)})
+
+$textConfigFill = ''
+
+def textEnter(w)
+ $textConfigFill = (w.itemconfiginfo 'current', 'fill')[4]
+ w.itemconfigure 'current', 'fill', 'black'
+end
+
+def textInsert(w, string)
+ return if string == ""
+ begin
+ $ctag_text.dchars 'sel.first', 'sel.last'
+ rescue
+ end
+ $ctag_text.insert 'insert', string
+end
+
+def textPaste(w, pos)
+ begin
+ $ctag_text.insert pos, TkSelection.get
+ rescue
+ end
+end
+
+def textB1Press(w,x,y)
+ w.icursor 'current', "@#{x},#{y}"
+ w.itemfocus 'current'
+ w.focus
+ w.select_from 'current', "@#{x},#{y}"
+end
+
+def textB1Move(w,x,y)
+ w.select_to 'current', "@#{x},#{y}"
+end
+
+def textBs(w)
+ begin
+ $ctag_text.dchars 'sel.first', 'sel.last'
+ rescue
+ char = $ctag_text.index('insert').to_i - 1
+ $ctag_text.dchars(char) if char >= 0
+ end
+end
+
+def textDel(w)
+ begin
+ $ctag_text.dchars 'sel.first', 'sel.last'
+ rescue
+ $ctag_text.dchars 'insert'
+ end
+end
+
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