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ruby--ruby/ext/tk/sample/demos-jp/bind.rb
matz a25fbe3b3e * encoding.c: provide basic features for M17N.
* 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
2007-08-25 03:29:39 +00:00

126 lines
3.9 KiB
Ruby

# -*- coding: euc-jp -*-
#
# text (tag bindings) widget demo (called by 'widget')
#
# toplevel widget が存在すれば削除する
if defined?($bind_demo) && $bind_demo
$bind_demo.destroy
$bind_demo = nil
end
# demo 用の toplevel widget を生成
$bind_demo = TkToplevel.new {|w|
title("Text Demonstration - Tag Bindings")
iconname("bind")
positionWindow(w)
}
# frame 生成
TkFrame.new($bind_demo) {|frame|
TkButton.new(frame) {
#text '了解'
text '閉じる'
command proc{
tmppath = $bind_demo
$bind_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'コード参照'
command proc{showCode 'bind'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# bind 用メソッド
def tag_binding_for_bind_demo(tag, enter_style, leave_style)
tag.bind('Any-Enter', proc{tag.configure enter_style})
tag.bind('Any-Leave', proc{tag.configure leave_style})
end
# text 生成
TkText.new($bind_demo){|t|
# 生成
setgrid 'true'
width 60
height 24
font $font
wrap 'word'
TkScrollbar.new($bind_demo) {|s|
pack('side'=>'right', 'fill'=>'y')
command proc{|*args| t.yview(*args)}
t.yscrollcommand proc{|first,last| s.set first,last}
}
pack('expand'=>'yes', 'fill'=>'both')
# スタイル設定
if TkWinfo.depth($root).to_i > 1
tagstyle_bold = {'background'=>'#43ce80', 'relief'=>'raised',
'borderwidth'=>1}
tagstyle_normal = {'background'=>'', 'relief'=>'flat'}
else
tagstyle_bold = {'foreground'=>'white', 'background'=>'black'}
tagstyle_normal = {'foreground'=>'', 'background'=>''}
end
# テキスト挿入
insert 'insert', "テキストwidgetの表示スタイルを制御するのと同じタグのメカニズムを使って、テキストにTclのコマンドを割り当てることができます。これにより、マウスやキーボードのアクションで特定のTclのコマンドが実行されるようになります。例えば、下のキャンバスのデモプログラムについての説明文にはそのようなタグがついています。マウスを説明文の上に持っていくと説明文が光り、ボタン1を押すとその説明のデモが始まります。
"
insert('end', '1. キャンバス widget に作ることのできるアイテムの種類全てに関するサンプル。', (d1 = TkTextTag.new(t)) )
insert('end', "\n\n")
insert('end', '2. 簡単な 2次元のプロット。データを表す点を動かすことができる。', (d2 = TkTextTag.new(t)) )
insert('end', "\n\n")
insert('end', '3. テキストアイテムのアンカーと行揃え。',
(d3 = TkTextTag.new(t)) )
insert('end', "\n\n")
insert('end', '4. ラインアイテムのための矢印の頭の形のエディタ。',
(d4 = TkTextTag.new(t)) )
insert('end', "\n\n")
insert('end', '5. タブストップを変更するための機能つきのルーラー。',
(d5 = TkTextTag.new(t)) )
insert('end', "\n\n")
insert('end',
'6. キャンバスがどうやってスクロールするのかを示すグリッド。',
(d6 = TkTextTag.new(t)) )
# binding
[d1, d2, d3, d4, d5, d6].each{|tag|
tag_binding_for_bind_demo(tag, tagstyle_bold, tagstyle_normal)
}
d1.bind('1',
proc{
eval(`cat #{[$demo_dir,'items.rb'].join(File::Separator)}`,
_null_binding)
})
d2.bind('1',
proc{
eval(`cat #{[$demo_dir,'plot.rb'].join(File::Separator)}`,
_null_binding)
})
d3.bind('1',
proc{
eval(`cat #{[$demo_dir,'ctext.rb'].join(File::Separator)}`,
_null_binding)
})
d4.bind('1',
proc{
eval(`cat #{[$demo_dir,'arrow.rb'].join(File::Separator)}`,
_null_binding)
})
d5.bind('1',
proc{
eval(`cat #{[$demo_dir,'ruler.rb'].join(File::Separator)}`,
_null_binding)
})
d6.bind('1',
proc{
eval(`cat #{[$demo_dir,'cscroll.rb'].join(File::Separator)}`,
_null_binding)
})
TkTextMarkInsert.new(t, '0.0')
configure('state','disabled')
}