mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
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
120 lines
3.4 KiB
Ruby
120 lines
3.4 KiB
Ruby
# -*- coding: euc-jp -*-
|
|
#
|
|
# 2-D plot widget demo (called by 'widget')
|
|
#
|
|
|
|
# toplevel widget が存在すれば削除する
|
|
if defined?($plot_demo) && $plot_demo
|
|
$plot_demo.destroy
|
|
$plot_demo = nil
|
|
end
|
|
|
|
# demo 用の toplevel widget を生成
|
|
$plot_demo = TkToplevel.new {|w|
|
|
title("Plot Demonstration")
|
|
iconname("Plot")
|
|
positionWindow(w)
|
|
}
|
|
|
|
# label 生成
|
|
TkLabel.new($plot_demo, 'font'=>$font, 'wraplength'=>'4i', 'justify'=>'left',
|
|
'text'=>"このウィンドウは簡単な2次元のプロットを含んだキャンバス widgetです。表示された点をマウスボタン1でドラッグしてデータをいじることができます。"){
|
|
pack('side'=>'top')
|
|
}
|
|
|
|
# frame 生成
|
|
$plot_buttons = TkFrame.new($plot_demo) {|frame|
|
|
TkButton.new(frame) {
|
|
#text '了解'
|
|
text '閉じる'
|
|
command proc{
|
|
tmppath = $plot_demo
|
|
$plot_demo = nil
|
|
tmppath.destroy
|
|
}
|
|
}.pack('side'=>'left', 'expand'=>'yes')
|
|
|
|
TkButton.new(frame) {
|
|
text 'コード参照'
|
|
command proc{showCode 'plot'}
|
|
}.pack('side'=>'left', 'expand'=>'yes')
|
|
}
|
|
$plot_buttons.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
|
|
|
|
# font 設定
|
|
plotFont = '-*-Helvetica-Medium-R-Normal--*-180-*-*-*-*-*-*'
|
|
|
|
# canvas 設定
|
|
$plot_canvas = TkCanvas.new($plot_demo,'relief'=>'raised','width'=>450,'height'=>300)
|
|
$plot_canvas.pack('side'=>'top', 'fill'=>'x')
|
|
|
|
# plot 生成
|
|
TkcLine.new($plot_canvas, 100, 250, 400, 250, 'width'=>2)
|
|
TkcLine.new($plot_canvas, 100, 250, 100, 50, 'width'=>2)
|
|
TkcText.new($plot_canvas, 225, 20,
|
|
'text'=>"簡単なプロット", 'font'=>plotFont, 'fill'=>'brown')
|
|
|
|
(0..10).each {|i|
|
|
x = 100 + (i * 30)
|
|
TkcLine.new($plot_canvas, x, 250, x, 245, 'width'=>2)
|
|
TkcText.new($plot_canvas, x, 254,
|
|
'text'=>10*i, 'font'=>plotFont, 'anchor'=>'n')
|
|
}
|
|
(0..5).each {|i|
|
|
y = 250 - (i * 40)
|
|
TkcLine.new($plot_canvas, 100, y, 105, y, 'width'=>2)
|
|
TkcText.new($plot_canvas, 96, y,
|
|
'text'=>"#{i*50}.0", 'font'=>plotFont, 'anchor'=>'e')
|
|
}
|
|
|
|
for xx, yy in [[12,56],[20,94],[33,98],[32,120],[61,180],[75,160],[98,223]]
|
|
x = 100 + (3*xx)
|
|
y = 250 - (4*yy)/5
|
|
item = TkcOval.new($plot_canvas, x-6, y-6, x+6, y+6,
|
|
'width'=>1, 'outline'=>'black', 'fill'=>'SkyBlue2')
|
|
item.addtag 'point'
|
|
end
|
|
|
|
$plot_canvas.itembind('point', 'Any-Enter',
|
|
proc{$plot_canvas.itemconfigure 'current','fill','red'})
|
|
$plot_canvas.itembind('point', 'Any-Leave',
|
|
proc{$plot_canvas.itemconfigure 'current','fill','SkyBlue2'})
|
|
$plot_canvas.itembind('point', '1',
|
|
proc{|x,y| plotDown $plot_canvas,x,y}, "%x %y")
|
|
$plot_canvas.itembind('point', 'ButtonRelease-1',
|
|
proc{$plot_canvas.dtag 'selected'})
|
|
$plot_canvas.bind('B1-Motion',
|
|
proc{|x,y| plotMove $plot_canvas,x,y}, "%x %y")
|
|
|
|
$plot = {'lastX'=>0, 'lastY'=>0}
|
|
|
|
# plotDown --
|
|
# This method is invoked when the mouse is pressed over one of the
|
|
# data points. It sets up state to allow the point to be dragged.
|
|
#
|
|
# Arguments:
|
|
# w - The canvas window.
|
|
# x, y - The coordinates of the mouse press.
|
|
|
|
def plotDown (w, x, y)
|
|
w.dtag 'selected'
|
|
w.addtag_withtag 'selected', 'current'
|
|
w.raise 'current'
|
|
$plot['lastX'] = x
|
|
$plot['lastY'] = y
|
|
end
|
|
|
|
# plotMove --
|
|
# This method is invoked during mouse motion events. It drags the
|
|
# current item.
|
|
#
|
|
# Arguments:
|
|
# w - The canvas window.
|
|
# x, y - The coordinates of the mouse.
|
|
|
|
def plotMove (w, x, y)
|
|
w.move 'selected', x - $plot['lastX'], y - $plot['lastY']
|
|
$plot['lastX'] = x
|
|
$plot['lastY'] = y
|
|
end
|
|
|