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ruby--ruby/ext/tk/sample/demos-jp/hscale.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

78 lines
1.8 KiB
Ruby

# -*- coding: euc-jp -*-
require "tkcanvas"
if defined?($hscale_demo) && $hscale_deom
$hscale_demo.destroy
$hscale_demo = nil
end
$hscale_demo = TkToplevel.new {|w|
title("Horizontal Scale Demonstration")
iconname("hscale")
}
positionWindow($hscale_demo)
msg = TkLabel.new($hscale_demo) {
font $font
wraplength '3.5i'
justify 'left'
text "下には矢印が1つと水平なスケールが表示されています。\
スケール上でマウスボタン1をクリック、またはドラッグすると\
矢印の長さを変えることができます。"
}
msg.pack('side'=>'top')
TkFrame.new($hscale_demo) {|frame|
TkButton.new(frame) {
#text '了解'
text '閉じる'
command proc {
tmppath = $hscale_demo
$hscale_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'コード参照'
command proc { showCode 'hscale' }
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
TkFrame.new($hscale_demo) {|frame|
canvas = TkCanvas.new(frame) {|c|
width 50
height 50
bd 0
highlightthickness 0
TkcPolygon.new(c, '0', '0', '1', '1', '2', '2') {
fill 'DeepSkyBlue'
tags 'poly'
}
TkcLine.new(c, '0', '0', '1', '1', '2', '2', '0', '0') {
fill 'black'
tags 'line'
}
}.pack('side'=>'top', 'expand'=>'yes', 'anchor'=>'s', 'fill'=>'x', 'padx'=>'15')
scale = TkScale.new(frame) {
orient 'horizontal'
length 284
from 0
to 250
command proc{|value| setWidth(canvas, value)}
tickinterval 50
}.pack('side'=>'bottom', 'expand'=>'yes', 'anchor'=>'n')
scale.set 75
}.pack('side'=>'top', 'fill'=>'x')
def setWidth(w, width)
width = width + 21
x2 = width - 30
if x2 < 21
x2 = 21
end
w.coords 'poly',20,15,20,35,x2,35,x2,45,width,25,x2,5,x2,15,20,15
w.coords 'line',20,15,20,35,x2,35,x2,45,width,25,x2,5,x2,15,20,15
end