mirror of
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a25fbe3b3e
* parse.y: encoding aware parsing. * parse.y (pragma_encoding): encoding specification pragma. * parse.y (rb_intern3): encoding specified symbols. * string.c (rb_str_length): length based on characters. for older behavior, bytesize method added. * string.c (rb_str_index_m): index based on characters. rindex as well. * string.c (succ_char): encoding aware succeeding string. * string.c (rb_str_reverse): reverse based on characters. * string.c (rb_str_inspect): encoding aware string description. * string.c (rb_str_upcase_bang): encoding aware case conversion. downcase, capitalize, swapcase as well. * string.c (rb_str_tr_bang): tr based on characters. delete, squeeze, tr_s, count as well. * string.c (rb_str_split_m): split based on characters. * string.c (rb_str_each_line): encoding aware each_line. * string.c (rb_str_each_char): added. iteration based on characters. * string.c (rb_str_strip_bang): encoding aware whitespace stripping. lstrip, rstrip as well. * string.c (rb_str_justify): encoding aware justifying (ljust, rjust, center). * string.c (str_encoding): get encoding attribute from a string. * re.c (rb_reg_initialize): encoding aware regular expression * sprintf.c (rb_str_format): formatting (i.e. length count) based on characters. * io.c (rb_io_getc): getc to return one-character string. for older behavior, getbyte method added. * ext/stringio/stringio.c (strio_getc): ditto. * io.c (rb_io_ungetc): allow pushing arbitrary string at the current reading point. * ext/stringio/stringio.c (strio_ungetc): ditto. * ext/strscan/strscan.c: encoding support. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13261 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
183 lines
6.1 KiB
Ruby
183 lines
6.1 KiB
Ruby
# -*- coding: euc-jp -*-
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#
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# Canvas Text widget demo (called by 'widget')
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#
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# toplevel widget が存在すれば削除する
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if defined?($ctext_demo) && $ctext_demo
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$ctext_demo.destroy
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$ctext_demo = nil
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end
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# demo 用の toplevel widget を生成
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$ctext_demo = TkToplevel.new {|w|
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title("Canvas Text Demonstration")
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iconname("Text")
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positionWindow(w)
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}
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# label 生成
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TkLabel.new($ctext_demo, 'font'=>$font, 'wraplength'=>'5i', 'justify'=>'left',
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'text'=>"このウィンドウにはキャンバスwidgetのテキスト機能をデモするためのテキスト文字列が表示されています。マウスを四角の中に持っていき、クリックすると位置ぎめ用の点からの相対位置を変えたり、行揃えを変えたりすることができます。また以下のような編集のための簡単なバインディングをサポートしています。
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1. マウスを持っていき、クリックし、入力できます。
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2. ボタン1で選択できます。
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3. マウスの位置にボタン2で選択したテキストをコピーできます。
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4.バックスペースをコントロール-Hで挿入カーソルの直前の文字を削除します。
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5. Deleteキーは挿入カーソルの直後の文字を削除します。"){
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pack('side'=>'top')
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}
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# frame 生成
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$ctext_buttons = TkFrame.new($ctext_demo) {|frame|
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TkButton.new(frame) {
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#text '了解'
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text '閉じる'
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command proc{
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tmppath = $ctext_demo
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$ctext_demo = nil
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tmppath.destroy
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}
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}.pack('side'=>'left', 'expand'=>'yes')
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TkButton.new(frame) {
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text 'コード参照'
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command proc{showCode 'ctext'}
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}.pack('side'=>'left', 'expand'=>'yes')
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}
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$ctext_buttons.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
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# canvas 生成
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$ctext_canvas = TkCanvas.new($ctext_demo, 'relief'=>'flat',
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'borderwidth'=>0, 'width'=>500, 'height'=>350)
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$ctext_canvas.pack('side'=>'top', 'expand'=>'yes', 'fill'=>'both')
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# font 設定
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textFont = '-*-Helvetica-Medium-R-Normal--*-240-*-*-*-*-*-*'
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# canvas 設定
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TkcRectangle.new($ctext_canvas, 245, 195, 255, 205,
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'outline'=>'black', 'fill'=>'red')
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$ctag_text = TkcTag.new($ctext_canvas)
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$ctag_text.withtag(TkcText.new($ctext_canvas, 250, 200,
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'text'=>"これはキャンバスwidgetのテキスト機能をデモするための文字列です。\n上で述べたような編集を可能とするためのバインディングを施しています。",
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'width'=>440, 'anchor'=>'n',
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'font'=>'-*-Helvetica-Medium-R-Normal--*-240-*-*-*-*-*-*',
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'kanjifont'=>'-*-r-*--24-*-jisx0208.1983-0',
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'justify'=>'left') )
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$ctag_text.bind('1', proc{|x,y| textB1Press $ctext_canvas,x,y}, "%x %y")
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$ctag_text.bind('B1-Motion', proc{|x,y| textB1Move $ctext_canvas,x,y}, "%x %y")
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$ctag_text.bind('Shift-1',
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proc{|x,y| $ctext_canvas.seleect_adjust 'current', "@#{x},#{y}"},
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"%x %y")
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$ctag_text.bind('Shift-B1-Motion',
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proc{|x,y| textB1Move $ctext_canvas,x,y}, "%x %y")
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$ctag_text.bind('KeyPress', proc{|a| textInsert $ctext_canvas,a}, "%A")
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$ctag_text.bind('Return', proc{textInsert $ctext_canvas,"\n"})
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$ctag_text.bind('Control-h', proc{textBs $ctext_canvas})
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$ctag_text.bind('BackSpace', proc{textBs $ctext_canvas})
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$ctag_text.bind('Delete', proc{textDel $ctext_canvas})
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$ctag_text.bind('2', proc{|x,y| textPaste $ctext_canvas, "@#{x},#{y}"},
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"%x %y")
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# Next, create some items that allow the text's anchor position
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# to be edited.
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def mkTextConfig(w,x,y,option,value,color)
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item = TkcRectangle.new(w, x, y, x+30, y+30,
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'outline'=>'black', 'fill'=>color, 'width'=>1)
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item.bind('1', proc{$ctag_text.configure option, value})
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w.addtag_withtag('config', item)
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end
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x = 50
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y = 50
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color = 'LightSkyBlue1'
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mkTextConfig $ctext_canvas, x, y, 'anchor', 'se', color
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mkTextConfig $ctext_canvas, x+30, y, 'anchor', 's', color
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mkTextConfig $ctext_canvas, x+60, y, 'anchor', 'sw', color
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mkTextConfig $ctext_canvas, x, y+30, 'anchor', 'e', color
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mkTextConfig $ctext_canvas, x+30, y+30, 'anchor', 'center', color
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mkTextConfig $ctext_canvas, x+60, y+30, 'anchor', 'w', color
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mkTextConfig $ctext_canvas, x, y+60, 'anchor', 'ne', color
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mkTextConfig $ctext_canvas, x+30, y+60, 'anchor', 'n', color
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mkTextConfig $ctext_canvas, x+60, y+60, 'anchor', 'nw', color
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item = TkcRectangle.new($ctext_canvas, x+40, y+40, x+50, y+50,
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'outline'=>'black', 'fill'=>'red')
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item.bind('1', proc{$ctag_text.configure 'anchor', 'center'})
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TkcText.new($ctext_canvas, x+45, y-5, 'text'=>'Text Position', 'anchor'=>'s',
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'font'=>'-*-times-medium-r-normal--*-240-*-*-*-*-*-*',
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'fill'=>'brown')
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# Lastly, create some items that allow the text's justification to be
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# changed.
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x = 350
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y = 50
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color = 'SeaGreen2'
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mkTextConfig $ctext_canvas, x, y, 'justify', 'left', color
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mkTextConfig $ctext_canvas, x+30, y, 'justify', 'center', color
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mkTextConfig $ctext_canvas, x+60, y, 'justify', 'right', color
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TkcText.new($ctext_canvas, x+45, y-5, 'text'=>'Justification', 'anchor'=>'s',
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'font'=>'-*-times-medium-r-normal--*-240-*-*-*-*-*-*',
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'fill'=>'brown')
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$ctext_canvas.itembind('config', 'Enter', proc{textEnter $ctext_canvas})
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$ctext_canvas.itembind('config', 'Leave',
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proc{$ctext_canvas\
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.itemconfigure('current',
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'fill'=>$textConfigFill)})
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$textConfigFill = ''
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def textEnter(w)
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$textConfigFill = (w.itemconfiginfo 'current', 'fill')[4]
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w.itemconfigure 'current', 'fill', 'black'
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end
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def textInsert(w, string)
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return if string == ""
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begin
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$ctag_text.dchars 'sel.first', 'sel.last'
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rescue
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end
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$ctag_text.insert 'insert', string
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end
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def textPaste(w, pos)
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begin
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$ctag_text.insert pos, TkSelection.get
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rescue
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end
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end
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def textB1Press(w,x,y)
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w.icursor 'current', "@#{x},#{y}"
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w.itemfocus 'current'
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w.focus
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w.select_from 'current', "@#{x},#{y}"
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end
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def textB1Move(w,x,y)
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w.select_to 'current', "@#{x},#{y}"
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end
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def textBs(w)
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begin
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$ctag_text.dchars 'sel.first', 'sel.last'
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rescue
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char = $ctag_text.index('insert').to_i - 1
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$ctag_text.dchars(char) if char >= 0
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end
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end
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def textDel(w)
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begin
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$ctag_text.dchars 'sel.first', 'sel.last'
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rescue
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$ctag_text.dchars 'insert'
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end
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end
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